CN101661852B - Three-position conversion switch - Google Patents
Three-position conversion switch Download PDFInfo
- Publication number
- CN101661852B CN101661852B CN200810210175XA CN200810210175A CN101661852B CN 101661852 B CN101661852 B CN 101661852B CN 200810210175X A CN200810210175X A CN 200810210175XA CN 200810210175 A CN200810210175 A CN 200810210175A CN 101661852 B CN101661852 B CN 101661852B
- Authority
- CN
- China
- Prior art keywords
- switch
- push button
- moving contact
- spring plate
- electromagnetic relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention relates to a three-position conversion switch which comprises a switch shell, a three-position conversion mechanism, an electromagnetic relay switch and a double-dome switch, wherein the three-position conversion mechanism comprises a push button and a rotary connecting rod. The mobile push button is adopted to drive the rotary connecting rod to rotate and control the sucking close or the separation of an armature sheet and an electromagnetic relay and simultaneously drive a moving dome to joint or separate from a static dome so as to realize the manual and automatic conversion of the three-position conversion switch. Meanwhile, the mobile push button is matched with the double-dome switch so as to ensure that the push button moves, and meanwhile, the rotary connecting rod, the armature sheet and the double-dome switch are linked, thereby better realizing the linking of each mechanism. The invention has artful structure, small size and smooth conversion. In addition, the three-position conversion switch can realize the conversion of a single-stage or multi-stage circuit as required. Only the numbers of movable contacts and static contacts need to be correspondingly increased, and the conversion of the multi-stage circuit can be realized on the basis of not changing the structure of the prior conversion switch. The invention has wider range of application and stronger compatibility.
Description
Technical field
The present invention relates to a kind of switch that is applied in circuit, the electrical equipment control field, particularly a kind of three-postion switch.
Background technology
At present, in electrical equipment, circuit control field, the switch of employing is divided into two big class, i.e. automatic control switch and hand control switches substantially.Automatic control switch is by being arranged on the magnetic attraction that inner electromagnetism relay switch produces or disappears according to the break-make of circuit, armature plate adhesive or disengaging realized the auto switching of circuit, need not manual operation.Hand switch then be field of switches the most common also be most widely used switch, thereby it is fully by the work of the break-make control apparatus equipment of the manual operation control circuit of people.
But along with modernized manufacturing industry, industrial expansion, the mode of operation of electric equipment, the more various complexity of structure, existing simple automatic switch or hand switch can not satisfy application demand fully.Particularly some electric equipments get final product by the automatic work of automatic control realization at ordinary times and need the people manually to operate control under some specific situation.Simple hand switch or automatic switch all can not well solve the requirement of these particular cases.
At the problems referred to above, change over switch manual, automatic integrated and that can change has mutually appearred realizing in existing switch.But the most transformational structure of this class change over switch is very complicated, transfer process has some setbacks, and occurs easily changing can not or changing halfway situation.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of three-postion switch, the structure that adopts push button to drive pivot link realizes manually and integrated, and the three-postion switch that can flexible conversion of control automatically.Switch transition is smooth and easy, simple in structure, and can not occur the conversion can not and the conversion halfway situation.
The main technical schemes that the present invention adopts is: a kind of three-postion switch, comprise switch case, be positioned at carrying out three switching mechanisms that three states switch, matching with the electromagnetism relay switch of realizing that three states switch of switch case with three switching mechanisms, the electromagnetism relay switch comprise an energising back produce the switch of the electromagnetic relay of magnetic attraction, control electromagnetic relay break-make, with the armature plate of electromagnetic relay adhesive or disengaging, also comprise respectively in the place in circuit and by applying or separate moving contact and the fixed contact of realizing connecting and disconnecting of the circuit; Three switching mechanisms comprise movable push button, and push button matches with the closed of control electromagnetic relay or disconnects with switch; Simultaneously, push button and moving contact interoperation make and contact between moving contact and the fixed contact or separate; Moving contact breaks away from fixed contact under the effect of the push button of activity, makes circuit be in normal off and opens state; Or moving contact is fitted with fixed contact under the effect of the push button of activity, push button control switch closure makes the electromagnetic relay conducting simultaneously, and circuit is in by the automatically controlled automatic adhesive/off-state of electromagnetic relay; Or moving contact fits with fixed contact under the effect of push button, makes circuit be in normally on.
The present invention also adopts following attached technical scheme: described switch is two elastic sheet switchs, and described pair of elastic sheet switch comprises spring plate, quiet shell fragment, and described push button and described spring plate match with the applying of control spring plate and quiet shell fragment or separate; Described three switching mechanisms comprise that also the push button by described activity drives the pivot link that rotates, one end of described pivot link is corresponding with armature plate, the match action and by with the adhesive of electromagnetic relay or separate and make moving contact fit with fixed contact or separate of described armature plate and described moving contact;
The push button and the switch case of described activity are slidingly connected; The end face of described push button is provided with to be convenient to projection, bottom that the user carries out reciprocating sliding operation and to be provided with and to stir shifting block that described pivot link rotates and the push rod that is used to lean described spring plate;
Described pivot link and described switch case hinge connect and are with a reduction torsion spring on jointed shaft; Described pivot link comprises an actuating rod and pressing lever, angle between described actuating rod and the pressing lever is less than 90 degree, described actuating rod is corresponding with the shifting block in the described push button, described pressing lever is corresponding with the armature plate in the described electromagnetism relay switch, one end of described reduction torsion spring is fixed, and reset terminal acts on the described pivot link;
Described pivot link also comprises a state display pole, angle between described state display pole and the described pressing lever is greater than 90 degree, shifting block in the described push button is between described state display pole and actuating rod, and the angle between described actuating rod and the pressing lever is less than 60 degree;
Described switch is two elastic sheet switchs, and described pair of elastic sheet switch comprises spring plate, quiet shell fragment, and described push button and described spring plate match with the applying of control spring plate and quiet shell fragment or separate; The push button and the switch case of described activity are slidingly connected; The bottom of described push button is provided with wedge shaped projection, and described armature plate is provided with and the corresponding wedge shape projection of described wedge shaped projection, and the lozenges of described wedge shaped projection matches with the lozenges of wedge shape projection; The end face of described push button is provided with to be convenient to projection, bottom that the user carries out reciprocating sliding operation and to be provided with the push rod that is used to lean described spring plate;
Described switch is two elastic sheet switchs, and described pair of elastic sheet switch comprises spring plate, quiet shell fragment, and described push button and described spring plate match with the applying of control spring plate and quiet shell fragment or separate; The push button and the switch case of described activity are slidingly connected; The bottom of described push button is provided with wedge shaped projection, and described armature plate is provided with and the corresponding wedge shape projection of described wedge shaped projection, and the lozenges of described wedge shaped projection matches with the lozenges of wedge shape projection; The end face of described push button is provided with to be convenient to projection, bottom that the user carries out reciprocating sliding operation and to be provided with push rod, also be provided with one rotating " V " shape shifting block in the described switch case, one end of described " V " shape shifting block is corresponding with described spring plate, the other end and described push rod are corresponding, drives spring plate and fit with quiet shell fragment or separate under the effect of described push rod.
Described electromagnetic relay is provided with a storage tank, and an end of described armature plate is positioned at described storage tank and can freely rotates at storage tank.
Described electromagnetism relay switch also comprises a moving contact support, and the bottom of described moving contact support is provided with described moving contact, match with described armature plate in top; Described moving contact support is provided with a back-moving spring, and an end of described back-moving spring is resisted against on the switch case, reset terminal acts on the described moving contact support, and the reset mode of described moving contact support is the state that moving contact leaves fixed contact; The top of described moving contact support is provided with a port, and the front end of described armature plate stretches in the described port; Described quiet shell fragment is fixed on the described electromagnetic relay, and an end of described spring plate is fixed on the described switch case and is described free end in the described switch case for described stiff end, the other end are suspended on.
Described quiet shell fragment is electrically connected with electromagnetic relay, and an end of described spring plate is a stiff end, and the other end is a free end; Be provided with a contact spring in the described switch case, one end of described contact spring is fixed on the described switch case, the effect end acts on the free-ended sidewall of described spring plate, making the initial condition of spring plate is and the contacted state of described quiet shell fragment that another sidewall of described spring plate is corresponding with the push rod in the described push button.
Adopt the beneficial effect that the present invention brought to be: (1) three-postion switch of the present invention adopts the push button that moves to drive pivot link and rotates the adhesive of controlling armature plate and electromagnetic relay or separate, drive simultaneously spring plate and fit with quiet shell fragment or separate, realize three-postion switch manually, conversion automatically.(2) the present invention is by the rotation of the mobile driving pivot link of push button, the rotation realization of pivot link and cooperating of armature plate, the push button of Yi Donging cooperates again with between two elastic sheet switchs simultaneously, push button is moved, drive pivot link, armature plate and two elastic sheet switch interlock simultaneously, the well interlock between each mechanism that realizes, structure is ingenious, volume is little, changes smooth and easy.(3) change over switch of the present invention can be realized the conversion of single-stage or multi-level pmultistage circuit according to actual needs.Only need corresponding the increasing of the number of moving contact and fixed contact got final product, can realize the conversion of multi-level pmultistage circuit on the basis that does not change existing change-over switch arrangement, range of application is wider, compatibility is stronger.(4) the present invention directly acts on armature plate and electromagnetic relay applying by push button in manual operation, rather than act on moving contact support and wait the applying of controlling armature plate and electromagnetic relay indirectly, so just make three-postion switch close under the state more stablely, the situation that electromagnetic relay when outage armature plate separates with electromagnetic relay can not occur normally closed.
Description of drawings
Fig. 1 is the overall structure figure of three-postion switch in the first embodiment of the invention;
Fig. 2 is for removing the internal structure schematic diagram behind the part shell in the first embodiment of the invention;
Fig. 3 is that global facility splits schematic diagram in the first embodiment of the invention;
Fig. 4 opens gear for three-postion switch in the first embodiment of the invention is in manually operated normal off;
Fig. 5 is in the automatic gear of automatic operation for three-postion switch in the first embodiment of the invention;
Fig. 6 is in the manually operated normally closed gear that closes for three-postion switch in the first embodiment of the invention;
Fig. 7 is that the global facility at another visual angle in the first embodiment of the invention splits schematic diagram;
Fig. 8 opens gear for three-postion switch in the second embodiment of the invention is in manually operated normal off;
Fig. 9 is in the automatic gear of automatic operation for three-postion switch in the second embodiment of the invention;
Figure 10 is in the manually operated normally closed gear that closes for three-postion switch in the second embodiment of the invention;
Figure 11 opens gear for three-postion switch in the third embodiment of the invention is in manually operated normal off;
Figure 12 is in the automatic gear of automatic operation for three-postion switch in the third embodiment of the invention;
Figure 13 is in the manually operated normally closed gear that closes for three-postion switch in the third embodiment of the invention;
Embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed description:
As shown in figure 1 to figure 13, be a kind of three-postion switch provided by the invention, comprise switch case 1, be positioned at carrying out three switching mechanisms that three states switch, matching with the electromagnetism relay switch of realizing that three states switch of switch case 1 with three switching mechanisms, the electromagnetism relay switch comprise an energising back produce the switch of the electromagnetic relay 4 of magnetic attraction, control electromagnetic relay 4 break-makes, with the armature plate 5 of electromagnetic relay 4 adhesives or disengaging, also comprise respectively in the place in circuit and by applying or separate moving contact 6 and the fixed contact 7 of realizing connecting and disconnecting of the circuit; Three switching mechanisms comprise movable push button 2, and push button 2 matches with the closed of control electromagnetic relay or disconnects with switch; Simultaneously, push button 2 and moving contact 6 interoperations make and contact between moving contact 6 and the fixed contact 7 or separate; Moving contact 6 breaks away from fixed contact under the effect of the push button 2 of activity, makes circuit be in normal off and opens state; Or moving contact 6 is fitted with fixed contact 7 under the effect of the push button 2 of activity, push button 2 control switch conductings simultaneously, and circuit is in by the automatically controlled automatic adhesive/off-state of electromagnetic relay; Or moving contact 6 fits with fixed contact 7 under the effect of push button 2, makes circuit be in normally on.
To shown in Figure 7, be first embodiment provided by the invention as Fig. 1.Movable push button 2 is slidingly connected with switch case 1.Have the opening 101 of ccontaining push button 2 on switch case 1, be provided with chute on the two side of opening 101, the dual-side of push button 2 is positioned at chute.Certainly, the structure that realization is slidingly connected is multiple in addition, be not limited to shown in the present embodiment, simultaneously, the disclosed chute structure of present embodiment belongs to existing mature technology, those of ordinary skill in the art can realize being slidingly connected on the basis of the description of present embodiment, so the present invention do not providing the concrete structure figure of chute structure in Figure of description part, but can't influence of the present invention fully open.
As Fig. 3, shown in Figure 7, switch is two elastic sheet switchs, and two elastic sheet switchs comprise spring plate 8, quiet shell fragment 9, and push button 2 and spring plate 8 match with the applying of control spring plate 8 and quiet shell fragment 9 or separate; Three switching mechanisms comprise that also the push button 2 by activity drives the pivot link 3 that rotates, one end of pivot link 3 is corresponding with armature plate 5, the match action and by with the adhesive of electromagnetic relay 4 or separate and make moving contact 6 fit with fixed contact 7 or separate of armature plate 5 and moving contact 6.
As Fig. 3, shown in Figure 7, the end face of push button 2 is provided with to be convenient to projection 21, bottom that the user carries out reciprocating sliding operation and to be provided with and to stir shifting block 22 that pivot link 3 rotates and the push rod 23 that is used to lean spring plate 8.
To shown in Figure 7, pivot link 3 connects and is with a reduction torsion spring 11 with switch case 1 hinge on jointed shaft as Fig. 3; Pivot link 3 comprises an actuating rod 31 and pressing lever 32, angle between actuating rod 31 and the pressing lever 32 is less than 90 degree, actuating rod 31 is corresponding with the shifting block 22 in the push button 2, pressing lever 32 is corresponding with the armature plate 5 in the electromagnetism relay switch, one end of reduction torsion spring 11 is fixed, and reset terminal acts on the pivot link 3.
In addition, among first embodiment provided by the invention, pivot link 3 also comprises a state display pole 33, angle between state display pole 33 and the pressing lever 32 is greater than 90 degree, shifting block 22 in the push button 2 is between state display pole 33 and actuating rod 31, and the angle between actuating rod 31 and the pressing lever 32 is less than 60 degree.The effect that this state display pole 33 plays is when push button 2 moves 3 rotations of driving pivot link, state display pole 33 shows according to the residing different gears of change over switch, the clear more operated residing gear stages of switch when the user is operated.
As shown in Figure 3, electromagnetic relay 4 is provided with a storage tank 41, and an end 51 of armature plate 5 is positioned at storage tank 41 and can freely rotates at storage tank 41.One end of armature plate 5 is " T " font, and the shape of storage tank 41 is consistent with " T " font of armature plate 5 one ends, and the effect of playing is exactly that an end of armature plate 5 is within it ccontaining and can not break away from away in inner rotation.Certainly, except this scheme that present embodiment provides, the scheme that also can adopt armature plate 5 hinges to connect realizes the scheme that an end of armature plate 5 rotates.
In addition, the electromagnetism relay switch also comprises a moving contact support 12, and the bottom of moving contact support 12 is provided with moving contact 6, match with armature plate 5 in top.Moving contact support 12 is provided with a back-moving spring 13, and an end of back-moving spring 13 is resisted against on the switch case 1, reset terminal acts on the moving contact support 12, and the reset mode of moving contact support 12 is the state that moving contact 6 leaves fixed contact 7.The top of moving contact support 12 is provided with a port 121, and the front end of armature plate 5 stretches in the port 121.Moving contact support 12 drives moving contact 6 and contacts with fixed contact 7 or separate along with moving up and down of armature plate 5.Push button 2 is to push armature plate 5 by driving pivot link 3 in the present embodiment, and then drives moving contact supports 12 by armature plate 5 and move up and down, and realizes contacting of moving contact 6 and fixed contact 7 or separates with this.Also the actuating rod 31 of pivot link 3 directly can be matched with moving contact support 12, the pivot link 3 that is driven by push button 2 directly drives moving contact supports 12 and moves up and down and realize contacting or separating of moving contact 6 and fixed contact 7.
To shown in Figure 7, the quiet shell fragment 9 in two elastic sheet switchs is electrically connected with electromagnetic relay 4 as Fig. 3, and an end of spring plate 8 is a stiff end, and the other end is a free end; Be provided with a contact spring 14 in the switch case 1, one end of contact spring 14 is fixed on the switch case 1, the effect end acts on the spring plate 8 free-ended sidewalls, making the initial condition of spring plate 8 is and quiet shell fragment 9 contacted states that another sidewall of spring plate 8 is corresponding with the push rod 23 in the push button 2.Quiet shell fragment 9 is fixed on the electromagnetic relay 4, and an end of spring plate 8 is fixed on the switch case 1 and is free end in the switch case 1 for stiff end, the other end are suspended on.
Below in conjunction with Fig. 4 to Fig. 6 the whole operation process of three-postion switch in the present embodiment is done a detailed description:
As shown in Figure 4, projection 21 in the operation push button 2 makes push button 2 move to low order end, in the process that moves right, pivot link 3 rotates under the reset response of reduction torsion spring 11 and makes pressing lever 32 upwards be rotated away from armature plate 5, simultaneously, push rod 23 in the push button 2 compresses spring plate 8 makes spring plate 8 separate with the quiet shell fragment 9 that fits, make two elastic sheet switchs be in normal off and open state, being in normal off simultaneously opens two elastic sheet switchs of state and makes electromagnetic relay 4 be in normal off to open state, like this and then make moving contact support 12 also be in initial condition: moving contact 6 separates with fixed contact 7, the three-postion switch of this moment be manual operation state and realization be that the normal off of appliance circuit is opened state;
As shown in Figure 5, when push button 2 is moved to the left by low order end, pressing lever 32 on the pivot link 3 still is in the state that leaves armature plate 5, push rod 23 on the push button 2 that moves from right to left makes the spring plate 8 that is separated from each other fit again under the reset response of contact spring 14 with quiet shell fragment 9 simultaneously, spring plate 8 after the applying with quiet shell fragment 9 conductings electromagnetic relay 4, make three-postion switch be in electromagnetic relay 4 adhesive armature slices 5 when in the circuit electricity being arranged this moment, armature plate 5 is pushed moving contact support 12 downwards makes moving contact 6 contact turning circuit with fixed contact 7, when outage, move up under the reset response of the back-moving spring 13 of electromagnetic relay 4 in moving contact support 12 and separate the automatic control state that circuit disconnects with armature plate 5.In this state, playing when electromagnetic relay 4 outage is that initial condition is the moving contact support 12 that moving contact 6 separates with fixed contact 7 with armature plate 5 and electromagnetic relay 4 centrifugations.After electromagnetic relay 4 outage, magnetic attraction disappears, thereby moving contact support 12 moved up under the reset response of back-moving spring 13 and drove armature plate 5 and leave relay 4 this moment, drove moving contact 6 simultaneously and separated with fixed contact 7, thereby realizes the automatic disconnection of circuit;
As shown in Figure 6, when push button 2 continues to move to high order end, in this process, rotate, make the pressing lever 32 on the pivot link 3 compress armature plate 5 and electromagnetic relay 4 adhesives downwards thereby shifting block 22 abutment action bars 31 drive pivot link 3.Simultaneously, move to the free end that push rod 23 in the push button 2 of left end leaves spring plate 8 free end of spring plate 8 fitted with quiet shell fragment under the reset response of contact spring 14, the state of this moment be manual operation state and realization be the normally closed state that closes of appliance circuit.
Three-postion switch provided by the invention adopts the push button 2 that moves to drive pivot links 3 and rotates the adhesive of controlling armature plate 5 and electromagnetic relay 4 or separate, drive simultaneously spring plate 8 and fit with quiet shell fragment 9 or separate, realize three-postion switch manually, conversion automatically.The push button 2 of Yi Donging cooperates again with between two elastic sheet switchs simultaneously, and push button 2 is moved, and drives pivot link 3, armature plate 5 and two elastic sheet switch interlock simultaneously, has well realized the interlock between each mechanism, and structure is ingenious, volume is little, changes smooth and easy.In addition, three-postion switch of the present invention can be realized the conversion of single-stage or multi-level pmultistage circuit according to actual needs.Only need corresponding the increasing of the number of moving contact 6 and fixed contact 7 got final product, can realize the conversion of multi-level pmultistage circuit on the basis that does not change existing change-over switch arrangement, range of application is wider, compatibility is stronger.
To shown in Figure 10, be second embodiment provided by the invention as Fig. 8.During this was implemented, movable push button 2 and switch case 1 were still for being slidingly connected.The bottom of push button 2 is provided with wedge shaped projection 24.Replaced the shifting block 22 among first embodiment.Armature plate 5 is provided with and wedge shaped projection 24 corresponding wedge shape projectioies 52, and the lozenges of wedge shaped projection 24 matches with the lozenges of wedge shape projection 52.The end face of push button 2 is provided with to be convenient to projection 21, bottom that the user carries out reciprocating sliding operation and to be provided with the push rod 23 that is used to lean spring plate 8.When push button 2 is mobile from right to left, its process is extremely shown in Figure 10 as Fig. 8, push button 2 push rod 23 when low order end compresses spring plate 8 to be separated with quiet shell fragment 9, and simultaneously armature plate 5 is in the reset mode that separates with electromagnetism relay switch 4, and three-postion switch was in manually operated normal off and opened state this moment; As shown in Figure 9, when push button 2 moved to the centre position, spring plate 8 was fitted conducting electromagnetism relay switch 4 with quiet shell fragment 9 under the effect of contact spring 14, armature plate 5 still is in reset mode simultaneously, and this moment, three-postion switch was in electrical autocontrol adhesive/off-state; As described in Figure 10, when push button 2 continued to move to high order end, the wedge shaped projection 24 below the push button 2 matched with the wedge shape projection 52 on the armature plate 5 and pushes armature plate 5 downwards, makes armature plate 5 and electromagnetic relay 4 fit turning circuit.At this moment, three-postion switch is in the normally closed state that closes of manual control.
Other structures and the annexation of this embodiment are identical with first embodiment, and difference only is push button 2 and cooperating of armature plate 5 to have adopted the fit structure of lozenges.So no longer other structures are given unnecessary details here.
As described in Figure 11 to Figure 13, be the 3rd embodiment provided by the invention.Among this embodiment, movable push button 2 is slidingly connected with switch case 1.The bottom of push button 2 is provided with wedge shaped projection 24, and armature plate 5 is provided with and wedge shaped projection 24 corresponding wedge shape projectioies 52, and the lozenges of wedge shaped projection 24 matches with the lozenges of wedge shape projection 52.The end face of push button 2 is provided with to be convenient to projection 21, bottom that the user carries out reciprocating sliding operation and to be provided with push rod 23, also be provided with one rotating " V " shape shifting block 10 in the switch case 1, one end of " V " shape shifting block 10 and spring plate are 8 corresponding, the other end and push rod 23 are corresponding, drive spring plate 8 and fit with quiet shell fragment 9 or separate under the effect of push rod 23.
The maximum difference of this embodiment is to be between push button 2 and the spring plate 8 indirect drive controlling.Realize by " V " shape shifting block 10.When push button 2 moves, drive the applying of spring plates 8 and quiet shell fragment 9 or separate by " V " shape shifting block 10.
When push button 2 is mobile from right to left, its process is extremely shown in Figure 13 as Figure 11, the end that push button 2 push rod 23 when low order end leans " V " shape shifting block 10 rotates, making the other end of " V " shape shifting block 10 compress spring plate 8 separates with quiet shell fragment 9, simultaneously armature plate 5 is in the reset mode that separates with electromagnetism relay switch 4, and three-postion switch was in manually operated normal off and opened state this moment; As shown in figure 12, when push button 2 moves to the centre position, push rod 23 leaves " V " shape shifting block 10, spring plate 8 is fitted with quiet shell fragment 9 under the reset response of contact spring 14, conducting electromagnetism relay switch 4, armature plate 5 still is in reset mode simultaneously, and this moment, three-postion switch was in electrical autocontrol adhesive/off-state; As described in Figure 13, when push button 2 continued to move to high order end, the wedge shaped projection 24 below the push button 2 matched with the wedge shape projection 52 on the armature plate 5 and pushes armature plate 5 downwards, makes armature plate 5 and electromagnetic relay 4 fit turning circuit.At this moment, three-postion switch is in the normally closed state that closes of manual control.
Other structures and the annexation of this embodiment are identical with first embodiment, and difference only is push button 2 and cooperating of armature plate 5 to have adopted the fit structure of lozenges.So other structures are not being given unnecessary details here.
Claims (10)
1. three-postion switch, comprise switch case (1), be positioned at three switching mechanisms carrying out three states switchings of described switch case (1), match with described three switching mechanisms, it is characterized in that to realize the electromagnetism relay switch of three states switchings:
Described electromagnetism relay switch comprise an energising back produce the switch of the electromagnetic relay (4) of magnetic attraction, control electromagnetic relay (4) break-make, with the armature plate (5) of (4) adhesive of described electromagnetic relay or disengaging, also comprise respectively in the place in circuit and by applying or separate moving contact (6) and the fixed contact (7) of realizing connecting and disconnecting of the circuit;
Described three switching mechanisms comprise movable push button (2), and described push button (2) matches with described switch with the break-make of control electromagnetic relay; Simultaneously, described push button (2) and moving contact (6) interoperation make and contact between moving contact (6) and the fixed contact (7) or separate;
Described moving contact (6) breaks away from fixed contact under the effect of the push button (2) of activity, makes circuit be in normal off and opens state; Or moving contact (6) is fitted with fixed contact (7) under the effect of the push button (2) of activity, the described switch closure of push button (2) control simultaneously makes the electromagnetic relay conducting, and circuit is in by the automatically controlled automatic adhesive/off-state of electromagnetic relay; Or moving contact (6) fits with fixed contact (7) under the effect of push button (2), makes circuit be in normally on.
2. a kind of three-postion switch according to claim 1, it is characterized in that: described switch is two elastic sheet switchs, described pair of elastic sheet switch comprises spring plate (8), quiet shell fragment (9), and described push button (2) and described spring plate (8) match with the applying of control spring plate (8) and quiet shell fragment (9) or separate; Described three switching mechanisms comprise that also the push button (2) by described activity drives the pivot link (3) that rotates, one end of described pivot link (3) is corresponding with armature plate (5), the match action and by with the adhesive of electromagnetic relay (4) or separate and make moving contact (6) with fixed contact (7) applying or separate of described armature plate (5) and described moving contact (6).
3. a kind of three-postion switch according to claim 2 is characterized in that: the push button of described activity (2) is slidingly connected with switch case (1); The end face of described push button (2) is provided with to be convenient to projection (21), bottom that the user carries out reciprocating sliding operation and to be provided with and to stir shifting block (22) that described pivot link (3) rotates and the push rod (23) that is used to lean described spring plate (8).
4. a kind of three-postion switch according to claim 3 is characterized in that: described pivot link (3) connects and is with a reduction torsion spring (11) with described switch case (1) hinge on jointed shaft; Described pivot link (3) comprises an actuating rod (31) and pressing lever (32), angle between described actuating rod (31) and the pressing lever (32) is less than 90 degree, described actuating rod (31) is corresponding with the shifting block (22) in the described push button (2), described pressing lever (32) is corresponding with the armature plate (5) in the described electromagnetism relay switch, one end of described reduction torsion spring (11) is fixed, and reset terminal acts on the described pivot link (3).
5. a kind of three-postion switch according to claim 4, it is characterized in that: described pivot link (3) also comprises a state display pole (33), angle between described state display pole (33) and the described pressing lever (32) is greater than 90 degree, shifting block (22) in the described push button (2) is positioned between described state display pole (33) and the actuating rod (31), and the angle between described actuating rod (31) and the pressing lever (32) is less than 60 degree.
6. a kind of three-postion switch according to claim 1, it is characterized in that: described switch is two elastic sheet switchs, described pair of elastic sheet switch comprises spring plate (8), quiet shell fragment (9), and described push button (2) and described spring plate (8) match with the applying of control spring plate (8) and quiet shell fragment (9) or separate; The push button of described activity (2) is slidingly connected with switch case (1); The bottom of described push button (2) is provided with wedge shaped projection (24), and described armature plate (5) is provided with and the corresponding wedge shape projection of described wedge shaped projection (24) (52), and the lozenges of described wedge shaped projection (24) matches with the lozenges of wedge shape projection (52); The end face of described push button (2) is provided with to be convenient to projection (21), bottom that the user carries out reciprocating sliding operation and to be provided with the push rod (23) that is used to lean described spring plate (8).
7. a kind of three-postion switch according to claim 1, it is characterized in that: described switch is two elastic sheet switchs, described pair of elastic sheet switch comprises spring plate (8), quiet shell fragment (9), and described push button (2) and described spring plate (8) match with the applying of control spring plate (8) and quiet shell fragment (9) or separate; The push button of described activity (2) is slidingly connected with switch case (1); The bottom of described push button (2) is provided with wedge shaped projection (24), and described armature plate (5) is provided with and the corresponding wedge shape projection of described wedge shaped projection (24) (52), and the lozenges of described wedge shaped projection (24) matches with the lozenges of wedge shape projection (52); The end face of described push button (2) is provided with to be convenient to projection (21), bottom that the user carries out reciprocating sliding operation and to be provided with push rod (23), also be provided with rotating " V " shape shifting block (10) in the described switch case (1), one end of described " V " shape shifting block (10) is corresponding with described spring plate (8), the other end and described push rod (23) are corresponding, drives spring plate (8) with quiet shell fragment (9) applying or separate under the effect of described push rod (23).
8. according to claim 4 or 5 or 6 or 7 described a kind of three-postion switch, it is characterized in that: described electromagnetic relay (4) is provided with a storage tank (41), and an end (51) of described armature plate (5) is positioned at described storage tank (41) and can freely rotates in storage tank (41).
9. a kind of three-postion switch according to claim 8, it is characterized in that: described electromagnetism relay switch also comprises a moving contact support (12), and the bottom of described moving contact support (12) is provided with described moving contact (6), match with described armature plate (5) in top; Described moving contact support (12) is provided with a back-moving spring (13), one end of described back-moving spring (13) is resisted against on the switch case (1), reset terminal acts on the described moving contact support (12), and the reset mode of described moving contact support (12) is the state that moving contact (6) leaves fixed contact (7); The top of described moving contact support (12) is provided with a port (121), and the front end of described armature plate (5) stretches in the described port (121); Described quiet shell fragment (9) is fixed on the described electromagnetic relay (4), and an end of described spring plate (8) is fixed in described switch case (1) and upward is described free end in the described switch case (1) for described stiff end, the other end are suspended on.
10. a kind of three-postion switch according to claim 9 is characterized in that: described quiet shell fragment (9) is electrically connected with electromagnetic relay (4), and an end of described spring plate (8) is a stiff end, and the other end is a free end; Be provided with a contact spring (14) in the described switch case (1), the described switch case (1) that is fixed in one end of described contact spring (14) goes up, the effect end acts on the free-ended sidewall of described spring plate (8), making the initial condition of spring plate (8) is and the contacted state of described quiet shell fragment (9) that another sidewall of described spring plate (8) is corresponding with the push rod (23) in the described push button (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810210175XA CN101661852B (en) | 2008-08-29 | 2008-08-29 | Three-position conversion switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810210175XA CN101661852B (en) | 2008-08-29 | 2008-08-29 | Three-position conversion switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101661852A CN101661852A (en) | 2010-03-03 |
| CN101661852B true CN101661852B (en) | 2011-11-30 |
Family
ID=41789789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810210175XA Active CN101661852B (en) | 2008-08-29 | 2008-08-29 | Three-position conversion switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101661852B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494085A (en) * | 2018-11-20 | 2019-03-19 | 贵州泰永长征技术股份有限公司 | A kind of two section manual change-over switch electric appliances |
| CN110378684A (en) * | 2019-07-10 | 2019-10-25 | 四川易景智能终端有限公司 | A kind of intelligent shopping trolley and unmanned supermarket shopping settlement method based on Internet of Things |
| CN110265272A (en) * | 2019-07-23 | 2019-09-20 | 乐清市赛翔电气有限公司 | A kind of small type circuit breaker operating mechanism and miniature circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3912894A (en) * | 1974-04-26 | 1975-10-14 | Westinghouse Electric Corp | Convertible switch |
| CN2318703Y (en) * | 1997-10-14 | 1999-05-12 | 四川电子焊接设备公司 | Compound change-over switch |
| CN2646850Y (en) * | 2003-08-25 | 2004-10-06 | 郑春开 | Change-over switch |
| WO2006127628A1 (en) * | 2005-05-20 | 2006-11-30 | Elliot Brooks | Eddy current inductive drive electromechanical linear actuator and switching arrangement |
-
2008
- 2008-08-29 CN CN200810210175XA patent/CN101661852B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3912894A (en) * | 1974-04-26 | 1975-10-14 | Westinghouse Electric Corp | Convertible switch |
| CN2318703Y (en) * | 1997-10-14 | 1999-05-12 | 四川电子焊接设备公司 | Compound change-over switch |
| CN2646850Y (en) * | 2003-08-25 | 2004-10-06 | 郑春开 | Change-over switch |
| WO2006127628A1 (en) * | 2005-05-20 | 2006-11-30 | Elliot Brooks | Eddy current inductive drive electromechanical linear actuator and switching arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101661852A (en) | 2010-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101283423B (en) | Breaker | |
| RU2401471C2 (en) | Device for setting spring of compressed-air circuit breaker | |
| CN108010768B (en) | Operating mechanism of change-over switch | |
| CN101661852B (en) | Three-position conversion switch | |
| CN208706510U (en) | A kind of pulse switch based on push switch | |
| CN201247740Y (en) | Three-position transfer switch | |
| CN102568911B (en) | Device for operating electrical switch | |
| CN107017107B (en) | The double limit universal switches of the fine motion of dual spring | |
| CN210743822U (en) | Switching-on and switching-off mechanism of dual-power transfer switch | |
| CN203456944U (en) | Double-power switch | |
| CN205943814U (en) | Is real -time demonstration divided combined floodgate real -time status's electric leakage circuit breaker | |
| CN102117707B (en) | Dual-power bypass switch device and switch electric appliance using same | |
| CN213905175U (en) | Circuit breaker state indication module | |
| CN212874298U (en) | On-load tap-changer switching device | |
| CN217881210U (en) | Transmission device of switch | |
| CN104538217A (en) | Switching device | |
| CN201549431U (en) | Electric vacuum isolation phase-change switch | |
| CN209641581U (en) | A kind of novel double load switch interlocking mechanisms | |
| CN105914078A (en) | Slide switch | |
| CN101651061B (en) | Electric vacuum isolated phase change switch with manual-isolating switch | |
| CN203192663U (en) | Double control switch having isolating function and double control switch system having isolating function | |
| CN207883590U (en) | A kind of on-load switch operation axle link lock device | |
| CN201066666Y (en) | A contact relay | |
| CN201084631Y (en) | A high-pressure locking isolation switch on outdoor post | |
| CN216213002U (en) | Feedback signal switch with illumination function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: KEDU ELECTRICS CO., LTD. Free format text: FORMER OWNER: ZHENG CHUNKAI Effective date: 20120109 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120109 Address after: 325608 block C, Yueqing, Hongqiao Town, Zhejiang, China Patentee after: Kedu Electric Co., Ltd. Address before: 325608 block C, Yueqing, Hongqiao Town, Zhejiang, China Patentee before: Zheng Chunkai |
|
| CP03 | Change of name, title or address |
Address after: 325600 Puqi Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Kedu Electric Co.,Ltd. Address before: 325608 block C, Yueqing, Hongqiao Town, Zhejiang, China Patentee before: KEDU ELECTRIC Co.,Ltd. |
|
| CP03 | Change of name, title or address |