CN207393823U - A kind of vehicle shock absorber and automobile - Google Patents
A kind of vehicle shock absorber and automobile Download PDFInfo
- Publication number
- CN207393823U CN207393823U CN201721514350.5U CN201721514350U CN207393823U CN 207393823 U CN207393823 U CN 207393823U CN 201721514350 U CN201721514350 U CN 201721514350U CN 207393823 U CN207393823 U CN 207393823U
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- CN
- China
- Prior art keywords
- shock absorber
- end cap
- dust cover
- vehicle shock
- cylinder barrel
- 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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Abstract
The utility model provides a kind of vehicle shock absorber and automobile, the vehicle shock absorber includes cylinder barrel, piston rod, end cap and dust cover, the piston rod is placed in the cylinder barrel, and it can be moved back and forth in the cylinder barrel, the end cap is sheathed on outside the cylinder barrel, the outer wall of the end cap is provided with lug boss and recessed portion, and the dust cover is interference fit with the lug boss, and the dust cover is clearance fit with the recessed portion.The vehicle shock absorber of the utility model by rationally designing the fit structure of dust cover and end cap, in the case where ensureing to seal, realizes good heat dissipation effect.
Description
Technical field
The utility model is related to automobile chassis field, more particularly to a kind of vehicle shock absorber.
Background technology
As essential dampening apparatus on automobile, usually dust cover can be all set outside damper, to prevent dust
Impurity is waited to enter inside damper.Traditional structural vibration reduction device, dust cover upper and lower side are all fixed on damper.It is drawn in damper
It stretches in compression process, the heat of generation is unable to Quick diffusing and goes out, and long-time service so that damper temperature is higher, easily leads to and subtracts
Shake device oil leak and buffer stopper cracking.
Utility model content
The purpose of this utility model is to provide a kind of vehicle shock absorber, by the cooperation knot for rationally designing dust cover and end cap
Structure can realize good heat dissipation effect in the case where ensureing to seal.
To solve the above-mentioned problems, the utility model provides a kind of vehicle shock absorber, including cylinder barrel, piston rod, end cap and
Dust cover, the piston rod are placed in the cylinder barrel, and can be moved back and forth in the cylinder barrel, and the end cap is sheathed on the cylinder
Cylinder is outer, and the outer wall of the end cap is provided with lug boss and recessed portion, and the dust cover is interference fit with the lug boss, described
Dust cover is clearance fit with the recessed portion.
Preferably, the lug boss and recessed portion are both provided with multiple, and are evenly spaced around the end
On the outer wall of lid.
Preferably, the dust cover includes the body part being connected with each other and first connecting portion, the body part cover
In outside the cylinder barrel and piston rod, the internal diameter of the first connecting portion is less than the outer diameter of the lug boss, and is pressed in the end
The outer wall of lid.
Preferably, the internal diameter of the recessed portion is less than the outer diameter of the cylinder barrel, and the press-mounting of end cover is in the cylinder
The outer wall of cylinder.
Preferably, the end of the first connecting portion is equipped with outside flange.
Preferably, the axial length of the end cap is more than the axial length of the first connecting portion.
Preferably, the body part is telescopic bellows, and the bellows is rubber material.
Preferably, the dust cover further includes the second connecting portion being oppositely arranged with the first connecting portion, institute
Second connecting portion is stated to be connected with the body part.
Preferably, the end cap and dust cover are integrally formed.
Identical to solve the problems, such as, the utility model also provides a kind of automobile, including foregoing vehicle shock absorber, damper
Bearing and vehicle body, the vehicle shock absorber are fixedly connected by the dust cover and absorber seat with the vehicle body.
The vehicle shock absorber of the utility model by setting lug boss and recessed portion on the outer wall of end cap, and is rationally set
The fit form of dust cover and end cap is counted, dust cover is made to be interference fitted with lug boss, dust cover and recessed portion clearance fit, so as to
In the case where ensureing to seal, good heat dissipation effect is realized.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram of the vehicle shock absorber of the preferred embodiment in the utility model；
Fig. 2 is partial longitudinal section figure in Fig. 1；
Fig. 3 is first connecting portion and the cross-sectional view at end cap cooperation in Fig. 1.
Wherein, 1, cylinder barrel；2nd, piston rod；3rd, end cap；301st, lug boss；302nd, recessed portion；4th, dust cover；401st, body
Portion；402nd, first connecting portion；403rd, flange；404th, second connecting portion；5th, absorber seat.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Referring to Fig. 1 to Fig. 3, the vehicle shock absorber of the present embodiment, including cylinder barrel 1, piston rod 2, end cap 3 and dust cover 4,
Middle piston rod 2 is placed in cylinder barrel 1, and by the reciprocating motion in cylinder barrel fluid is made repeatedly to flow into another from a chamber
The vibrational energy of automobile is converted into the thermal energy of fluid by chamber.End cap 3 is sheathed on outside cylinder barrel 1, and dust cover 4 includes what is be connected with each other
Body part 401 and first connecting portion 402, body part 401 covers cylinder barrel 1 and piston rod 2 plays dust-proof effect.In order to ensure
Good heat dissipation effect is realized in the case of sealing, the thermal energy of fluid is dispersed into air in time, the present embodiment end cap 3
Outer wall is provided with lug boss 301 and recessed portion 302, and dust cover 4 and lug boss 301 is caused to be interference fit, dust cover 4 with it is recessed
Concave portion 302 is clearance fit.
Further, it is to ensure fiting effect, the present embodiment protrusions portion 301 and recessed portion 302 are both provided with 6, and
It is evenly spaced around on the outer wall of end cap 3.The internal diameter of first connecting portion 402 be less than lug boss 301 outer diameter, and be pressed in
The outer wall of end cap, so as to fulfill first connecting portion 402 and the interference fit of lug boss 301, to keep sealing；Pass through first simultaneously
The clearance fit of connecting portion 402 and recessed portion 302, realizes good heat dissipation effect.The quantity of lug boss 301 and recessed portion 302
It can select, be not limited thereto according to actual needs.
Further, it is the connection of realization end cap 3 and cylinder barrel 1, the internal diameter of recessed portion 302 is less than cylinder barrel 1 in the present embodiment
Outer diameter, end cap 3 is pressed in the outer wall of cylinder barrel 1, realizes that end cap 3 connects with being close to for cylinder barrel 1 by being interference fitted.
It for the ease of the assembling of dust cover 4, and prevents that dust cover 4 is involved in the gap of end cap 3 in use, improves
The service life of damper, the present embodiment are equipped with outside flange 403 in the end of first connecting portion 402.
In order to which the damper is enable to be applied in certain stroke in different automobile types, the axial direction of end cap 3 in the present embodiment
Length is more than the axial length of first connecting portion 402, so as to finely tune dust cover according to the demand of different automobile types in assembling
4 with the rigging position of end cap 3, realize the hardware and software platform of dust cover 4 to a certain extent.
As the body part 401 of dustproof construction main body, different structure type can be selected, body part in the present embodiment
401 be telescopic bellows, and selects rubber material.By the stretching and compression of body part 401, piston rod 2 is adapted to
Movement.
Further, the dust cover 4 of the present embodiment further includes the second connecting portion being oppositely arranged with first connecting portion 402
404, second connecting portion 404 is connected with body part 401, so as to realize dust cover top and vehicle by second connecting portion 404
The connection of body.
To simplify processing technology, end cap 3 and dust cover 4 are integrally formed in the present embodiment.
The present embodiment also provides a kind of automobile, (not shown including foregoing vehicle shock absorber, absorber seat 5 and vehicle body
Go out), which is fixedly connected by dust cover 4 and absorber seat 5 with vehicle body.
In conclusion the vehicle shock absorber of the present embodiment, by setting lug boss and recessed portion on the outer wall of end cap, and
The fit form of dust cover and end cap is rationally designed, dust cover is made to be interference fitted with lug boss, dust cover is matched somebody with somebody with recessed portion gap
It closes, so as in the case where ensureing to seal, realize good heat dissipation effect.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, several improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (10)
1. a kind of vehicle shock absorber, which is characterized in that described including cylinder barrel (1), piston rod (2), end cap (3) and dust cover (4)
Piston rod (2) is placed in the cylinder barrel (1), and can be moved back and forth in the cylinder barrel (1), and the end cap (3) is sheathed on described
Outside, the outer wall of the end cap (3) is provided with lug boss (301) and recessed portion (302) to cylinder barrel (1), the dust cover (4) with it is described
Lug boss (301) is interference fit, and the dust cover (4) is clearance fit with the recessed portion (302).
2. vehicle shock absorber according to claim 1, which is characterized in that the lug boss (301) and recessed portion (302) are equal
It is provided with multiple, and is evenly spaced around on the outer wall of the end cap (3).
3. vehicle shock absorber according to claim 2, which is characterized in that the dust cover (4) includes the sheet being connected with each other
Body portion (401) and first connecting portion (402), the body part (401) cover in the cylinder barrel (1) and piston rod (2) outside, and described
The internal diameter of one connecting portion (402) is less than the outer diameter of the lug boss (301), and is pressed in the outer wall of the end cap (3).
4. vehicle shock absorber according to claim 3, which is characterized in that the internal diameter of the recessed portion (302) is less than described
The outer diameter of cylinder barrel (1), end cap (3) press fitting is in the outer wall of the cylinder barrel (1).
5. vehicle shock absorber according to claim 3, which is characterized in that the end of the first connecting portion (402) is equipped with
Outside flange (403).
6. vehicle shock absorber according to claim 3, which is characterized in that the axial length of the end cap (3) is more than described
The axial length of first connecting portion (402).
7. vehicle shock absorber according to claim 3, which is characterized in that the body part (401) is telescopic ripple
Pipe, the bellows are rubber material.
8. vehicle shock absorber according to claim 7, which is characterized in that the dust cover (4) further includes and described first
The second connecting portion (404) that connecting portion (402) is oppositely arranged, the second connecting portion (404) connect with the body part (401)
It connects.
9. vehicle shock absorber according to claim 8, which is characterized in that the end cap (3) and dust cover (4) one into
Type.
10. a kind of automobile, which is characterized in that including such as claim 1-9 any one of them vehicle shock absorber, absorber seat
(5) and vehicle body, the vehicle shock absorber are fixedly connected by the dust cover (4) and absorber seat (5) with the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721514350.5U CN207393823U (en) | 2017-11-14 | 2017-11-14 | A kind of vehicle shock absorber and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721514350.5U CN207393823U (en) | 2017-11-14 | 2017-11-14 | A kind of vehicle shock absorber and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393823U true CN207393823U (en) | 2018-05-22 |
Family
ID=62326288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721514350.5U Active CN207393823U (en) | 2017-11-14 | 2017-11-14 | A kind of vehicle shock absorber and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207393823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810898A (en) * | 2022-04-27 | 2022-07-29 | 重庆长安汽车股份有限公司 | Air bag type dust cover structure of automobile shock absorber |
-
2017
- 2017-11-14 CN CN201721514350.5U patent/CN207393823U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810898A (en) * | 2022-04-27 | 2022-07-29 | 重庆长安汽车股份有限公司 | Air bag type dust cover structure of automobile shock absorber |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |