CN115402247B - Buffer pressure relief type automobile bumper - Google Patents
Buffer pressure relief type automobile bumper Download PDFInfo
- Publication number
- CN115402247B CN115402247B CN202211132663.XA CN202211132663A CN115402247B CN 115402247 B CN115402247 B CN 115402247B CN 202211132663 A CN202211132663 A CN 202211132663A CN 115402247 B CN115402247 B CN 115402247B
- Authority
- CN
- China
- Prior art keywords
- bumper
- left end
- rod
- hose
- hole
- 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.)
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Links
- 238000013016 damping Methods 0.000 claims abstract description 30
- 230000004888 barrier function Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920001875 Ebonite Polymers 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/04—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/04—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
- B60R19/12—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement vertically spaced
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/38—Arrangements for mounting bumpers on vehicles adjustably or movably mounted, e.g. horizontally displaceable for securing a space between parked vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/38—Arrangements for mounting bumpers on vehicles adjustably or movably mounted, e.g. horizontally displaceable for securing a space between parked vehicles
- B60R19/40—Arrangements for mounting bumpers on vehicles adjustably or movably mounted, e.g. horizontally displaceable for securing a space between parked vehicles in the direction of an obstacle before a collision, or extending during driving of the vehicle, i.e. to increase the energy absorption capacity of the bumper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/36—Protecting non-occupants of a vehicle, e.g. pedestrians using airbags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
Abstract
The invention discloses a buffer pressure relief type automobile bumper which comprises a rear bumper, wherein the rear bumper is arranged on a cross beam of a frame; further comprises: the right end of the damping rod is fixedly arranged on the left end face of the rear bumper, the left end of the damping rod stretches into the inside of the driven rod in a sliding manner, the upper end and the lower end of the left side of the damping rod are fixedly provided with protruding blocks, the outer ends of the protruding blocks stretch into the inside of the second grooves in a clamping sliding manner, the left end face of the damping rod is provided with a second spring in a fitting manner, and the left end of the second spring is fixedly arranged on the left side wall of the inside of the driven rod; the middle screw on the right side of the bumper body is fixedly connected with a passive rod. This buffering pressure release formula car bumper installs the damping pole, when the bumper body at the in-process of striking, can make the bumper body remove through the damping pole to make can disperse the power of bumper body, then make the bumper body still guarantee the rigidity under the effect that has the buffering.
Description
Technical Field
The invention relates to the technical field of automobile bumpers, in particular to a buffer pressure relief type automobile bumper.
Background
The bumpers are arranged on frames of the head and the tail of the automobile by using screws, the bumpers are first barriers when the automobile is impacted, the anti-collision steel beams are important safety devices for absorbing and buffering external impact force and protecting the front and the rear parts of the automobile body, so that loss is reduced in slight accidents, the bumpers are generally made of steel, glass fiber or aluminum alloy materials, and most of the bumpers are in W-shaped or hollow shapes, so that the bumpers can absorb energy when in an automobile accident, and the injury to pedestrians can be reduced;
1. referring to the automobile bumper disclosed as CN103448640B, the end portions of the respective partial bars are sequentially connected through gaps, that is, the respective partial bars are sequentially arranged, a gap is provided between adjacent ends of two adjacent partial bars, the bumper is formed by combining several sections of partial bars, each partial bar is respectively connected with an automobile body, and each partial bar can be independently replaced and maintained, so that the use and maintenance cost of the automobile can be reduced, however, the following disadvantages still exist:
in the actual use of the device, although the maintenance cost of the automobile can be reduced, the automobile is mutually arranged and combined through the split bars, so that the integral rigidity of the bumper is destroyed, the strength of the bumper is reduced, and the bumper has lower effect in the use process;
2. the spring car bumper of reference publication number CN103448643A, it is through kind of spring car bumper when using, and the car should collide, the bumper inwards moves, and the transition pole warp after bearing the extrusion force, just so eliminates a part with the potential energy of collision, and the spring between bumper and the mounting bracket continues to eliminate the potential energy afterwards, reduces the influence after the collision, excellent in use effect, however, still has following shortcoming:
in actual use of the device, although the impact caused by collision can be reduced by inward movement of the bumper, when the device collides with a pedestrian, the transitional rod and the spring are pressed inwards by the bumper, the transitional rod deforms after bearing the pressing force, so that part of collision energy is dispersed, and then the spring is utilized to continuously disperse the energy, so that the pedestrian is greatly damaged when the collision occurs because no device for protecting the pedestrian is arranged;
we have therefore proposed a cushion pressure relief type automobile bumper in order to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a buffer pressure relief type automobile bumper, which aims to solve the problems that the strength of a bumper body is low and the pedestrian protection performance is poor in the current market in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the buffer pressure relief type automobile bumper comprises a rear bumper, wherein the rear bumper is arranged on a cross beam of a frame;
further comprises:
the right end of the damping rod is fixedly arranged on the left end face of the rear bumper, the left end of the damping rod stretches into the inside of the driven rod in a sliding manner, the upper end and the lower end of the left side of the damping rod are fixedly provided with convex blocks, the outer ends of the convex blocks stretch into the inside of the second grooves in a clamping sliding manner, the two groups of the second grooves are formed in the inside of the driven rod, the left end face of the damping rod is provided with a second spring in a fitting manner, and the left end of the second spring is fixedly arranged on the left side wall of the inside of the driven rod;
the right middle screw of the bumper body is fixedly connected with a driven rod, the upper end and the lower end of the bumper body are arc-shaped, the left side wall of the bumper body is rotationally connected with a moving rod, the moving rod is provided with two groups, the right ends of the two groups of moving rods extend into the inside of the opening, the opening is formed in the left side of the rear bumper, the right ends of the two groups of moving rods are respectively rotationally connected with a sliding block, the right end of the sliding block is welded with a limiting block, one end of the sliding block is slidingly arranged in the opening, one end of the limiting block is slidingly clamped in a first sliding groove, the first sliding groove is formed in the rear bumper, a baffle is fixed in the first sliding groove, the left end of the baffle extends out of the first sliding groove, the inner end of the first sliding groove is attached to the outer end of the sleeve, the baffle is made of hard plastic, the right end of the baffle is connected with the alarm through a wire harness, the alarm is arranged in the rear bumper, the sleeve is fixedly arranged at the outer end of the sliding block, the sleeve is in interference fit with the through hole, the through hole is formed in the rear bumper, the through hole is formed in the outer end of the opening, the baffle film is fixedly arranged in the through hole, the baffle film can avoid gas leakage in the gas storage tank, the baffle film is made of hard rubber, the outer end of the through hole penetrates through the inner end of the gas storage tank, the gas storage tank is embedded in the accommodating shell, the inner side of the accommodating shell is welded at the outer end of the rear bumper, the accommodating shell is arranged in a hollow shape, the left end of the accommodating shell is connected with a hose in a penetrating manner, the right end of the hose is connected with the left end of the gas storage tank, the hose has stretchability, the left end of the hose penetrates through the two ends of the bumper body, and the middle part of the bumper body is hollow, and the bumper body is made of steel materials.
Preferably, the left end of the hose is connected with the right end of the air bag, and the right end of the air bag is attached to the left end face of the bumper body.
Through the structure, the airbag can protect pedestrians after expanding, and the bumper is prevented from being in direct contact with the pedestrians, so that the pedestrians are protected.
Compared with the prior art, the invention has the beneficial effects that: this buffering pressure release formula car bumper can not reduce the rigidity of bumper body under the circumstances of the interior personnel protection of car to can carry out fine protection to the pedestrian, its concrete content is as follows:
(1) The damping rod is arranged, and when the bumper body is impacted, the bumper body can be moved through the damping rod, so that the force of the bumper body can be dispersed, and the rigidity of the bumper body is ensured under the buffering effect;
(2) Be provided with the gasbag, the striking can make the carriage release lever remove to in the sleeve that makes on the carriage release lever inserts the through-hole, then make the barrier film break, then make the sleeve can produce pressure when the through-hole removes, thereby make the gas in the gas holder receive the extrusion and can carry in the gasbag, thereby make the gasbag can expand, then make the gasbag can carry out fine protection to the pedestrian.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic elevational view of the present invention;
FIG. 3 is a schematic view of the front cross-section of the rear bumper of the present invention;
FIG. 4 is a schematic side sectional view of a bumper body according to the present invention;
FIG. 5 is a schematic perspective view of a barrier film according to the present invention;
FIG. 6 is a schematic view of the enlarged structure of FIG. 3A according to the present invention;
FIG. 7 is a schematic illustration of a front cross-sectional structure of a damper rod according to the present invention;
FIG. 8 is a schematic view of the structure of the sleeve of the present invention after being moved;
in the figure: 1. a bumper body; 2. a moving rod; 3. opening holes; 4. a rear bumper; 5. a damping rod; 501. a passive lever; 502. a bump; 503. a second groove; 504. a second spring; 6. a housing case; 7. a slide block; 8. a limiting block; 9. a first chute; 10. a baffle; 11. an alarm; 12. a sleeve; 13. a through hole; 14. a barrier film; 15. a gas storage tank; 16. a hose; 17. a first spring; 18. an air bag.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: a buffer pressure relief type automobile bumper comprises a rear bumper 4, wherein the rear bumper 4 is arranged on a cross beam of a frame; further comprises: the right end of the damping rod 5 is fixedly arranged on the left end face of the rear bumper 4, the left end of the damping rod 5 stretches into the inside of the driven rod 501 in a sliding manner, the upper end and the lower end of the left side of the damping rod 5 are fixedly provided with convex blocks 502, the outer ends of the convex blocks 502 stretch into the inside of the second grooves 503 in a clamping sliding manner, the two groups of second grooves 503 are formed in the inside of the driven rod 501, the left end face of the damping rod 5 is provided with a second spring 504 in a fitting manner, and the left end of the second spring 504 is fixedly arranged on the left side wall of the inside of the driven rod 501; the bumper body 1, the middle screw on the right side is fixedly connected with a driven rod 501, the upper end and the lower end of the bumper body 1 are arc-shaped, the left side wall of the bumper body 1 is rotationally connected with two groups of moving rods 2, the right ends of the two groups of moving rods 2 extend into the inside of the open hole 3, the open hole 3 is formed in the left side of the rear bumper 4, and the right ends of the two groups of moving rods 2 are respectively rotationally connected with a sliding block 7;
referring to fig. 1, 2 and 7, when an impact occurs, after the bumper body 1 is pressed by an object, the bumper body 1 is forced to move rightward, the damping rod 5 is retracted into the passive rod 501 by the movement of the bumper body 1, the damping rod 5 moves to enable the bump 502 to slide and clamp in the second groove 503, so that the damping rod 5 can stably move in the passive rod 501, the damping rod 5 presses the second spring 504 when moving, the second spring 504 is forced to compress, and the damping rod 5 drives the moving rod 2 to move after moving, so that the moving rod 2 slides in the opening 3, and the hose 16 is soft, so that the bumper body 1 does not influence the hose 16 when moving;
the right end of the sliding block 7 is welded with a limiting block 8, one end of the sliding block 7 is arranged in the opening 3 in a sliding way, one end of the limiting block 8 is arranged in the first sliding groove 9 in a sliding way, the first sliding groove 9 is arranged in the rear bumper 4, a baffle 10 is fixed in the first sliding groove 9, the left end of the baffle 10 stretches out of the first sliding groove 9, the inner end of the first sliding groove 9 is attached to the outer end of the sleeve 12, the baffle 10 is made of hard plastic, the right end of the baffle 10 is connected with the alarm 11 through a wire harness, the alarm 11 is arranged in the rear bumper 4, the sleeve 12 is fixedly arranged at the outer end of the sliding block 7, the sleeve 12 and the through hole 13 are in interference fit, the through hole 13 is arranged in the rear bumper 4, the through hole 13 is arranged at the outer end of the opening 3, the baffle 14 is fixedly arranged in the through hole 13, the barrier film 14 can avoid gas leakage in the gas storage tank 15, the barrier film 14 is made of hard rubber, the outer end of the through hole 13 penetrates through the inner end of the gas storage tank 15, the gas storage tank 15 is embedded in the accommodating shell 6, the inner side of the accommodating shell 6 is welded at the outer end of the rear bumper 4, the accommodating shell 6 is arranged in a hollow shape, the left end of the accommodating shell 6 is connected with the hose 16 in a penetrating manner, the right end of the hose 16 is connected with the left end of the gas storage tank 15 in a connecting manner, the hose 16 has stretchability, the left end of the hose 16 penetrates through the two ends of the bumper body 1, the middle part of the bumper body 1 is arranged in a hollow manner, the bumper body 1 is made of steel, the left end of the hose 16 is connected with the right end of the air bag 18, and the right end of the air bag 18 is attached to the left end face of the bumper body 1;
referring to fig. 1 to 8, the movement of the moving rod 2 drives the sliding block 7 to slide inside the opening 3, so that the movement of the sliding block 7 drives the limiting block 8 to move, so that the limiting block 8 can slide inside the first sliding groove 9, then the sliding block 7 moves to drive the sleeve 12 to move, so that the sleeve 12 moves synchronously inside the opening 3, and when the sliding block 7 is stressed greatly, the baffle 10 can be broken through the sleeve 12, and the alarm 11 can be triggered after the baffle 10 is broken, so that the alarm 11 can call for rescue, so that the first time can be saved, the sliding block 7 can move, when the stress of the sliding block 7 is small, the sliding block 7 cannot move, then the sleeve 12 can be inserted into the through hole 13, because the sleeve 12 and the through hole 13 are in interference fit, so that the sleeve 12 can form pressure due to sealing after being inserted into the through hole 13, the sleeve 12 can also break the barrier film 14 in the moving process of the through hole 13, so that the barrier film 14 breaks, then the gas of the through hole 13 is extruded by the sleeve 12 to be ejected into the gas storage tank 15, then the pressure value of the gas storage tank 15 is overlarge, then the gas in the gas storage tank 15 is conveyed into the air bag 18 through the hose 16, and the first spring 17 is pulled by the sliding block 7 to be lengthened along with the moving distance of the sliding block 7, then the first spring 17 can store force, the air bag 18 is inflated after the gas in the gas storage tank 15 is conveyed to the air bag 18, so that after the pedestrian is impacted, the pedestrian can be well protected through the air bag 18, thereby reducing the injury of the vehicle to the pedestrian, thereby completing a series of works.
The working principle of the embodiment is as follows: when the buffer pressure release type automobile bumper is used, firstly, referring to fig. 1, 2 and 7, when an impact occurs, after an object presses the bumper body 1, the damping rod 5 is retracted into the driven rod 501 through the movement of the bumper body 1, then the damping rod 5 can stably move in the driven rod 501, the damping rod 5 presses the second spring 504 when moving, the second spring 504 is stressed to compress, and the damping rod 5 drives the moving rod 2 to move after moving, so that the moving rod 2 slides in the opening 3;
referring to fig. 1 to 8, the movement of the moving rod 2 drives the sliding block 7 to slide in the opening 3, so that the movement of the sliding block 7 drives the limiting block 8 to move, then the sliding block 7 moves to drive the sleeve 12 to move, the baffle 10 can be broken through the sleeve 12, the alarm 11 can be triggered after the baffle 10 is broken, rescue can be obtained at the first time, the sliding block 7 can move, the sleeve 12 can also crash the blocking film 14 in the moving process of the through hole 13, the blocking film 14 is broken, then gas in the through hole 13 is extruded by the sleeve 12 to jack into the gas storage tank 15, then the gas in the gas storage tank 15 is conveyed into the air bag 18 through the hose 16, after the gas in the gas storage tank 15 is conveyed to the air bag 18, the air bag 18 is inflated, so that after the pedestrian is impacted, the pedestrian can be well protected through the air bag 18, the damage to the pedestrian caused by the vehicle is reduced, and a series of works are completed.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (2)
1. The buffer pressure relief type automobile bumper comprises a rear bumper (4), wherein the rear bumper (4) is arranged on a cross beam of a frame;
characterized by further comprising:
the damping rod (5), the right-hand member is fixed to be set up in the left end face of the back bar (4), and the left end of damping rod (5) stretches into the inside that slides and sets up in passive pole (501), and the upper and lower both ends in damping rod (5) left side are all fixed to be provided with lug (502), the outer end of lug (502) stretches into the block and slides and set up in the inside of second recess (503), and two sets of second recess (503) are seted up in the inside of passive pole (501), and damping rod (5) left side terminal surface laminating is provided with second spring (504), and second spring (504) left end fixed setting is on the inside left side wall of passive pole (501);
the utility model discloses a safety device for the automobile, including a bumper body (1), a right side middle part screw fixedly connected with passive pole (501), and the upper and lower end of bumper body (1) is arc setting, and rotate on bumper body (1) left side wall and be connected with movable rod (2), movable rod (2) are provided with two sets of, and two sets of the right-hand member of movable rod (2) stretches into the inside of trompil (3), and trompil (3) are offered in the left side of rear bumper (4), and two sets of the right-hand member of movable rod (2) rotates respectively and is connected with slider (7), the right-hand member welding of slider (7) has stopper (8), and the one end sliding arrangement of slider (7) is in trompil (3), and the one end sliding block of stopper (8) sets up in first spout (9), first spout (9) are offered in the inside of rear bumper (4), the inside of first spout (9) is fixed with baffle (10), and the left end of trompil (3) stretches out the inside of first spout (9), and the inside of first spout (9) is the inside of a hard ware (11) and the inside of the interior ware (11) is equipped with alarm device (11), the inside of sleeve (12) is fixed to be set up in the outer end of slider (7), and sleeve (12) is interference fit setting with through-hole (13), and through-hole (13) are seted up inside rear bumper (4), through-hole (13) set up the outer end at trompil (3), inside at holding shell (6) is inlayed to gas holder (15), and the inboard welding that holds shell (6) is at the outer end of rear bumper (4) to the inside that holds shell (6) is hollow form setting, the inside of through-hole (13) is fixed and is provided with barrier film (14), and barrier film (14) can avoid gas leakage in gas holder (15) to barrier film (14) are the rubber material constitution, the inner of gas holder (15) is run through to the outer end of through-hole (13), the left end through connection that holds shell (6) is connected with hose (16), and the right-hand member of hose (16) is connected with the left end of gas holder (15) to set up, and hose (16) have the stretchability, the left end of hose (16) body runs through two ends (1) and is hollow form bumper (1) of body, and the middle part (1) is formed by hollow bumper body (1).
2. The cushion and pressure relief type automobile bumper according to claim 1, wherein: the left end of the hose (16) is connected with the right end of the air bag (18), and the right end of the air bag (18) is attached to the left end face of the bumper body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211132663.XA CN115402247B (en) | 2022-09-17 | 2022-09-17 | Buffer pressure relief type automobile bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211132663.XA CN115402247B (en) | 2022-09-17 | 2022-09-17 | Buffer pressure relief type automobile bumper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115402247A CN115402247A (en) | 2022-11-29 |
| CN115402247B true CN115402247B (en) | 2023-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211132663.XA Active CN115402247B (en) | 2022-09-17 | 2022-09-17 | Buffer pressure relief type automobile bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115402247B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116572878B (en) * | 2023-06-18 | 2023-11-21 | 江苏克瑞迪机车有限公司 | Buffer protection device based on all-terrain vehicle and application method thereof |
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| CN212667306U (en) * | 2020-08-03 | 2021-03-09 | 重庆市镁城机械配件有限公司 | Plough quick-witted bumper a little with buffer function |
| CN213292211U (en) * | 2020-10-13 | 2021-05-28 | 武汉匠瑞科技有限公司 | Automobile bumper with novel buffer structure |
| CN214028531U (en) * | 2021-01-15 | 2021-08-24 | 王莹 | Bumper subassembly for new energy automobile |
| CN215851097U (en) * | 2021-08-31 | 2022-02-18 | 四川工程职业技术学院 | Passive buffer stop of car with buffer structure |
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| CN115402247A (en) | 2022-11-29 |
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