CN206884607U - A kind of automobile axle housing for setting side impact energy-absorbing structure - Google Patents
A kind of automobile axle housing for setting side impact energy-absorbing structure Download PDFInfo
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- CN206884607U CN206884607U CN201720543849.2U CN201720543849U CN206884607U CN 206884607 U CN206884607 U CN 206884607U CN 201720543849 U CN201720543849 U CN 201720543849U CN 206884607 U CN206884607 U CN 206884607U
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- cylinder
- semiaxis
- energy
- side impact
- axle housing
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Abstract
It the utility model is related to the axle housing of drive axle.A kind of automobile axle housing for setting side impact energy-absorbing structure, including axle housing, the both ends of axle housing are provided with semiaxis construction section, semiaxis construction section is provided with side impact energy-absorbing structure, the side impact energy-absorbing structure includes the annular cylinder extended in left-right direction being looped around outside semiaxis installation passage being arranged in semiaxis construction section, sealing is slidably connected at the bogie of the compression piston and driving compression piston in cylinder one end, the semiaxis construction section is provided with the strip avoid holes extended in left-right direction, the bogie is located in the strip avoid holes, the other end of the cylinder is provided with spray-hole, the seal head extruded when the air pressure in the cylinder rises to setting value by the gas in cylinder is connected with the spray-hole.The utility model has the advantages of absorbable side impact energy when producing side impact, solves the problems, such as to need security difference caused by vehicle body crumple energy-absorbing during existing automobile side crash.
Description
Technical field
The axle housing of drive axle is the utility model is related to, more particularly to a kind of automobile axle housing for setting side impact energy-absorbing structure.
Background technology
The composition of drive axle is made up of main reducing gear, differential mechanism, semiaxis, axle housing.Main reducing gear, differential mechanism, drive axle group
Part is arranged in driving axle housing body, and positioned at automobile rear, power passes to trailing wheel.It is in Chinese patent notification number
A kind of existing axle housing is disclosed in CN205853768U patent document.The basic structure of existing axle housing includes axle housing sheet
Body, axle housing are provided with decelerator construction section and two semiaxis construction sections positioned at decelerator construction section both sides, semiaxis construction section
Free end be provided with wheel connector, decelerator construction section is provided with decelerator installation cavity, and semiaxis construction section is provided with from wheel and connected
The end face of head starts the bearing of trend extension along semiaxis construction section and the semiaxis installation passage of connection decelerator installation cavity.During use
Decelerator is arranged in decelerator installation cavity, and two semiaxis are attached with wheel after semiaxis installation passage passes through and drive car
Wheel（Trailing wheel）.
Existing axle housing has the following disadvantages：Side impact protection can not effectively be carried out so that when vehicle produces side collision
Energy-absorbing can only be realized by the deformation crumple of vehicle frame, the deformation crumple of vehicle frame, which is easily hurt, to be multiplied.
Utility model content
The utility model provide it is a kind of when producing side impact without vehicle frame crumple deformation can absorbing side impact energy set side
The automobile axle housing of impact energy-absorbing structure, security difference caused by vehicle body crumple energy-absorbing is needed when solving existing automobile side crash
Problem.
Above technical problem solves by the following technical programs：A kind of automobile axle housing for setting side impact energy-absorbing structure, bag
Including axle housing, the axle housing is provided with decelerator construction section and two semiaxis construction sections positioned at decelerator construction section both sides, and described half
The free end of axle construction section is provided with wheel connector, and the decelerator construction section is provided with decelerator installation cavity, the semiaxis installation
Section is provided with extends and connects the decelerator peace since the end face of the wheel connector along the bearing of trend of semiaxis construction section
The semiaxis installation passage behaveing affectedly, it is characterised in that the semiaxis construction section is provided with side impact energy-absorbing structure, the side impact energy-absorbing structure
Including be arranged in semiaxis construction section the annular cylinder extended in left-right direction being looped around outside semiaxis installation passage, sealing
The compression piston and the bogie of driving compression piston being slidably connected in cylinder one end, the semiaxis construction section are provided with along left and right
The strip avoid holes of direction extension, the bogie are located in the strip avoid holes, and the other end of the cylinder is set
There is spray-hole, be connected with the spray-hole and extruded when the air pressure in the cylinder rises to setting value by the gas in cylinder
Seal head.In use, making bogie stretch out vehicle body from the side of vehicle body, upside bumper is then connected, when by side collision
When side safety cabinet driving bogie, the gas in bogie driving compression piston compression cylinder plays a part of energy-absorbing, with gas
The rise of pressure in cylinder, fluid wash axle housing portion seal head open, and fluid flows out from spray-hole and realizes energy-absorbing, if more than
Two processes can consume collision energy, so as to realize side impact energy-absorbing.By setting axle housing portion in spray-hole and connection close
End socket, it is possible to increase collision energy-absorbing effect, if being not provided with seal head, collision energy-absorbing effect can weaken more.
Preferably, the side impact energy-absorbing structure also includes being looped around in left-right direction extending outside semiaxis installation passage
First friction energy dissipation cylinder of annular, the first friction energy dissipation cylinder inner surface are provided with the first frictional layer, and the strip avoid holes are set
On the first friction energy dissipation cylinder, the bogie includes link, the head rod for being connected to link side and company
The second connecting rod of link opposite side is connected on, the link is provided with the second frictional layer, and the link passes through the second friction
It is connected to together with layer is slidably connected with the first frictional layer in the first friction pin energy cylinder, second connecting rod is the same as described
Compression piston links together.Except compressed gas and carry out gas injection energy-absorbing also, also synchronously carry out friction energy-absorbing, Neng Goushi
Existing less stroke absorbs more collision energy, and vehicle body outward appearance width dimensions and collision energy-absorbing effect are being kept not so as to realize
The width of the bearing space of vehicle body is improved on the premise of change.
Preferably, the side impact energy-absorbing structure also includes energy-absorbing piston and the edge being looped around outside semiaxis installation passage or so
The second annular friction energy dissipation cylinder of direction extension, the second friction energy dissipation cylinder inner surface are provided with the 3rd frictional layer, and the energy-absorbing is lived
The side face of plug is provided with the 4th frictional layer, and the energy-absorbing piston is slidably connected together by the 4th frictional layer with the 3rd frictional layer
And be connected in the second friction energy dissipation cylinder, the energy-absorbing piston is connected to one by the 3rd connecting rod with the link
Rise.One can be entered and realize that less stroke absorbs more collision energy, vehicle body outward appearance width dimensions are being kept so as to realize
The width of the bearing space of vehicle body is improved on the premise of constant with collision energy-absorbing effect.
Preferably, the second friction energy dissipation cylinder is between the semiaxis installation passage and cylinder.System can be improved
Convenience when being laid out.
The utility model has advantages below：It is good that anti-side touches ability；Side impact energy-absorbing is used as Absorption of Medium by gas and collided
Energy, increase participate in energy-absorbing key element.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
In figure：Axle housing 2, decelerator construction section 21, semiaxis construction section 22, wheel connector 23, decelerator installation cavity 24, half
Axle installation passage 25, side impact energy-absorbing structure 51, bogie 511, link 5110, head rod 5111, the second connecting rod
5112nd, the 3rd connecting rod 5113, cylinder 512, spray-hole 5121, compression piston 513, the first friction energy dissipation cylinder 514, strip are kept away
Allow hole 5141, the second friction energy dissipation cylinder 515, seal head 516, energy-absorbing piston 517.
Embodiment
The utility model is illustrated with embodiment below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of automobile axle housing for setting side impact energy-absorbing structure, including axle housing 2.
Axle housing 2 is provided with decelerator construction section 21 and two semiaxis construction sections 22 positioned at decelerator construction section both sides.Semiaxis
The free end of construction section 22 is provided with wheel connector 23.Decelerator construction section 21 is provided with decelerator installation cavity 24.Semiaxis construction section
22 extend provided with the bearing of trend along semiaxis construction section since the end face of wheel connector 23 and connect decelerator installation cavity
Semiaxis installation passage 25.Side impact energy-absorbing structure 51 is provided with semiaxis construction section 22.
Side impact energy-absorbing structure 51 includes bogie 511, cylinder 512, compression piston 513, the first friction energy dissipation cylinder 514 and the
Two friction energy dissipation cylinders 515.
Cylinder 512 is arranged in semiaxis construction section 22.Cylinder 512 is the annular being looped around outside semiaxis installation passage 25.Gas
Cylinder 512 extends in left-right direction.The sealing of compression piston 513 is slidably connected in one end of cylinder 512, the other end of cylinder 512
Provided with spray-hole 5121.Seal head 516 can be sealedly connected with spray-hole 5121 with outwards extracting.
First friction energy dissipation cylinder 514 is arranged in semiaxis construction section 22.First friction energy dissipation cylinder 514 is pacified to be looped around semiaxis
Fill the annular outside passage 25.First friction energy dissipation cylinder 514 extends in left-right direction.First friction energy dissipation cylinder 514 is provided with along left and right
The strip avoid holes 5141 of direction extension.The inner peripheral surface of first friction energy dissipation cylinder 514 is provided with the first frictional layer.Second friction
Energy dissipating cylinder 515 is arranged in semiaxis construction section 22.
Second friction energy dissipation cylinder 515 is the annular being looped around outside semiaxis installation passage 25.Second friction energy dissipation cylinder 515 is along a left side
Right direction extends.Second friction energy dissipation cylinder 515 is between semiaxis installation passage 25 and cylinder 512.Second friction energy dissipation cylinder 515
Provided with the 3rd frictional layer on inner peripheral surface.Energy-absorbing piston 517 is provided with second friction energy dissipation cylinder 515.The side face of energy-absorbing piston 517
It is provided with the 4th frictional layer.Energy-absorbing piston 517 is slidably connected together to be connected to by the 4th frictional layer with the 3rd frictional layer
In second friction energy dissipation cylinder 515.
Bogie 511 includes link 5110, head rod 5111, the second connecting rod 5112 and the 3rd connecting rod
5113.Link 510 is annular.The side face of link 5110 is provided with the second frictional layer, and link 5110 passes through the second friction
It is connected to together with layer is slidably connected with the first frictional layer in the first friction energy dissipation cylinder 514.First friction energy dissipation cylinder 514 and company
It is coaxial to connect frame 5110.One end of head rod 5111 is linked together with link 5110, the other end is passed through and kept away with strip
Allow hole 5141.Second connecting rod 5112 has at least 3.Second connecting rod 5112 is along the circumferentially distributed of cylinder 512.Second connecting rod
5112 one end links together with link 5110, the other end links together with compression piston 513.3rd connecting rod 5113
There are at least 3.3rd connecting rod 5113 is circumferentially distributed along the second friction energy dissipation cylinder 515.One end of 3rd connecting rod 5113 is same
Link 5110 links together, the other end links together with energy-absorbing piston 517.
In use, make automobile side bumper be connected to head rod 5111 the other end and side bumper along vehicle body
Width is that left and right directions exceeds vehicle body.
When being collided, side bumper is hit, so as to towards pushing away the first company in the middle part of the middle part of vehicle body namely axle housing
Link 5110 is realized in extension bar 5111, the movement in the first friction energy dissipation cylinder 514 of the drive connection frame 5110 of head rod 5111
And the first friction energy dissipation between friction energy dissipation cylinder 514；Link 5110 drives the second connecting rod 5112 driving compression piston 513
Moved in cylinder 512, the gas in the compression cylinder 512 of compression piston 513 plays a part of energy-absorbing, with the pressure in cylinder
Rise, fluid washes seal head 516 open, and fluid flows out from spray-hole 5121 and realizes energy-absorbing；Link 5110 also drives
3rd connecting rod 5113 driving energy-absorbing piston 517 moves in the second friction energy dissipation cylinder 515, and energy-absorbing piston 517 and second rubs
Friction energy dissipation is produced between energy dissipating cylinder 515.
Claims (4)
1. a kind of automobile axle housing for setting side impact energy-absorbing structure, including axle housing, the axle housing is provided with decelerator construction section and positioned at subtracting
Two semiaxis construction sections of fast device construction section both sides, the free end of the semiaxis construction section are provided with wheel connector, the deceleration
Device construction section is provided with decelerator installation cavity, and the semiaxis construction section is provided with pacifies since the end face of the wheel connector along semiaxis
The bearing of trend of dress section extends and connects the semiaxis installation passage of the decelerator installation cavity, it is characterised in that the semiaxis peace
Dress section is provided with side impact energy-absorbing structure, and the semiaxis installation that is looped around that the side impact energy-absorbing structure includes being arranged in semiaxis construction section is led to
The annular cylinder extended in left-right direction, sealing outside road are slidably connected at compression piston and driving compression in cylinder one end
The bogie of piston, the semiaxis construction section are provided with the strip avoid holes extended in left-right direction, and the bogie is located in
In the strip avoid holes, the other end of the cylinder is provided with spray-hole, is connected with the spray-hole when in the cylinder
The seal head that is extruded by the gas in cylinder when rising to setting value of air pressure.
A kind of 2. automobile axle housing for setting side impact energy-absorbing structure according to claim 1, it is characterised in that the side impact energy-absorbing
Structure also includes the first annular friction energy dissipation cylinder extended in left-right direction being looped around outside semiaxis installation passage, the first friction
Energy dissipating cylinder inner surface is provided with the first frictional layer, and the strip avoid holes are arranged on the first friction energy dissipation cylinder, the drive
Moving frame includes link, is connected to the head rod of link side and is connected to the second connecting rod of link opposite side,
The link is provided with the second frictional layer, the link by the second frictional layer and the first frictional layer be slidably connected together and
It is connected in the first friction pin energy cylinder, second connecting rod links together with the compression piston.
A kind of 3. automobile axle housing for setting side impact energy-absorbing structure according to claim 2, it is characterised in that the side impact energy-absorbing
Structure also includes energy-absorbing piston and the second annular friction energy dissipation extended in left-right direction being looped around outside semiaxis installation passage
Cylinder, the second friction energy dissipation cylinder inner surface are provided with the 3rd frictional layer, and the side face of the energy-absorbing piston is provided with the 4th frictional layer, described
Energy-absorbing piston is slidably connected together to be connected in the second friction energy dissipation cylinder by the 4th frictional layer with the 3rd frictional layer,
The energy-absorbing piston is linked together by the 3rd connecting rod with the link.
A kind of 4. automobile axle housing for setting side impact energy-absorbing structure according to claim 3, it is characterised in that second friction
Energy dissipating cylinder is between the semiaxis installation passage and cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720543849.2U CN206884607U (en) | 2017-05-17 | 2017-05-17 | A kind of automobile axle housing for setting side impact energy-absorbing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720543849.2U CN206884607U (en) | 2017-05-17 | 2017-05-17 | A kind of automobile axle housing for setting side impact energy-absorbing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206884607U true CN206884607U (en) | 2018-01-16 |
Family
ID=61341966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720543849.2U Active CN206884607U (en) | 2017-05-17 | 2017-05-17 | A kind of automobile axle housing for setting side impact energy-absorbing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206884607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379890A (en) * | 2017-05-17 | 2017-11-24 | 杭州跟策科技有限公司 | If the automobile axle housing of side impact energy-absorbing structure |
-
2017
- 2017-05-17 CN CN201720543849.2U patent/CN206884607U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379890A (en) * | 2017-05-17 | 2017-11-24 | 杭州跟策科技有限公司 | If the automobile axle housing of side impact energy-absorbing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: If automobile axle shell of energy -absorbing structure is bumped to side Effective date of registration: 20200225 Granted publication date: 20180116 Pledgee: Agricultural Bank of China Limited by Share Ltd Nanping Jianyang branch Pledgor: NANPING CITY JIANYANG DISTRICT AUTO FORGING PARTS FACTORY Registration number: Y2020350000004 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |