CN202301717U - Dust cover and vehicle vibration damper with same - Google Patents
Dust cover and vehicle vibration damper with same Download PDFInfo
- Publication number
- CN202301717U CN202301717U CN2011204130190U CN201120413019U CN202301717U CN 202301717 U CN202301717 U CN 202301717U CN 2011204130190 U CN2011204130190 U CN 2011204130190U CN 201120413019 U CN201120413019 U CN 201120413019U CN 202301717 U CN202301717 U CN 202301717U
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- dust
- proof cover
- hole
- fitting seat
- bellows
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Abstract
The utility model relates to a vehicle vibration damper, which includes a support fixedly connected with a mounting seat and a dust cover, wherein the dust cover includes the mounting seat for fixing, telescopic corrugated pipes and an inner cavity formed by the corrugated pipes; at least one through hole is formed at the connected part of the mounting seat and the corrugated pipes; a dustproof structure in the hole extends from the inner surface of the dust cover to the inner cavity; the dustproof structure includes an extending part with one end connected with the through hole and a baffle plate arranged at the other end of the extending part; and an opening used for air circulation is arranged at the extending part. The dust cover not only can avoid the abnormal sound, but also has excellent dustproof effect.
Description
Technical field
The utility model relates to the vehicle shock absorber field, relates in particular to a kind of dust-proof cover.
Background technique
Vehicle shock absorber is a kind of very important component in the vehicle, and the quality of vibration damper performance directly has influence on travelling comfort, Security and the operational stability of vehicle.Because vibration damper is installed on the vehicle chassis; Working environment is more abominable, often receives the pollution of dust, and causes the reduction even the inefficacy of vibration damper performance; So vibration damper generally adopts dust-proof cover to avoid the pollution of dust, dust-proof cover plays very important effect to the performance and the life-span of vibration damper.
In present vehicle shock absorber field, owing to receive structure and spatial limitation, the general employing has ripple compression type dust-proof cover; This dust-proof cover is provided with one section bellows and forms a nonocclusive inner chamber by bellows, and dust-proof cover is in movement process, and the volume in the dust-proof cover can constantly change; The interior gas pressure of dust-proof cover this moment also can change accordingly, so dust-proof cover need carry out the circulation of effective gas with external environment, the following cover mouth of dust-proof cover is provided with the circulation that exhaust port is used for gas usually; Between last cover mouth and bellows, design through hole simultaneously; Said through hole needs enough big sectional area, otherwise dust-proof cover can produce abnormal sound, but the sectional area of through hole is bigger; The dust of external environment just gets in the dust-proof cover through through hole than being easier to, and the performance and life-span of vibration damper had a negative impact.
Summary of the invention
The utility model technical problem to be solved be to the dust-proof cover that exists in the existing vehicle shock absorber when avoiding producing abnormal sound; Make the dust-proof cover internal structure receive the dust pollution problems easily; Thereby cause the defective that the performance of vibration damper and life-span are had a negative impact, a kind of vehicle shock absorber that abnormal sound has the dust-proof cover of better dustproof effect again and has this dust-proof cover of can avoiding producing is provided.
The above-mentioned technical problem of the utility model is achieved through following technological scheme: a kind of dust-proof cover; Comprise the fitting seat and the compressible bellows that are used for fixing; And the inner chamber that forms by bellows; The joint of said fitting seat and bellows is provided with at least one through hole; Said through hole is extended with dustproof construction from the dust-proof cover internal surface to inner chamber, and said dustproof construction comprises the extension part of an end connecting through hole and the baffle plate that is arranged on the extension part the other end, and said extension part is provided with the opening that is used for gas communication.
Further, said extension part has the groove that is provided with opening towards the fitting seat direction.
Further, said extension part comprise groove and be arranged on groove and through hole between pipe.
Further, said groove is extended and is obliquely installed towards the direction of fitting seat to baffle plate by through hole.
Further, said baffle plate is along the axial direction setting of bellows, and said baffle plate extends a bump towards the direction of fitting seat.
Further,, the joint of said fitting seat and bellows is provided with 3 through holes, and said 3 through holes extend and are obliquely installed towards the direction of fitting seat to inner chamber by the dust-proof cover outer surface.
Further, the center line that is positioned at the through hole of position, both sides in the said through hole forms the angle with equal angular with the center line of the through hole that is positioned at the neutral position respectively, the angle ranging between 30 degree to 90 degree.
Further, a kind of vehicle shock absorber comprises the supporting base and the dust-proof cover that are fixedly connected with fitting seat, and said dust-proof cover is above-mentioned dust-proof cover.
A kind of dust-proof cover that provides according to the utility model and vibration damper thereof with this dust-proof cover; The fitting seat of said dust-proof cover and the joint of bellows are provided with a through hole at least; Said through hole is extended with dustproof construction from the dust-proof cover internal surface to inner chamber; Said dustproof construction comprises the extension part of an end connecting through hole and the baffle plate that is arranged on the extension part the other end, and simultaneously, extension part is provided with the opening that is used for gas communication.When dust gets in the dust-proof cover along with gas passes through through hole; Because the internal surface of dust-proof cover has increased dustproof construction; Make dust receive stopping of baffle plate and receive action of gravity, drop on the internal surface of extension part and the outside of falling back to dust-proof cover gradually along extension part, and gas still can free and circulation effectively; Said like this dust-proof cover can play dustproof preferably effect again when avoiding producing abnormal sound.
Description of drawings
Fig. 1 is the structural representation of dust-proof cover in the utility model.
Fig. 2 is the sectional view along A-A line cutting among Fig. 1.
Fig. 3 is the schematic representation of dustproof construction among first kind of embodiment of the utility model.
Fig. 4 is the schematic representation of dustproof construction among second kind of embodiment of the utility model.
Fig. 5 is the phantom of vibration damper in the utility model.
Embodiment
For technical problem, technological scheme and beneficial effect that the utility model is solved clearer; Below in conjunction with accompanying drawing and embodiment; The utility model is further elaborated; Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The structural representation of dust-proof cover as shown in Figure 1, a kind of dust-proof cover comprises the fitting seat 1 and compressible bellows 2 that are used for fixing; And the inner chamber 3 that forms by bellows 2, said bellows 2 is made up of elastic material, when receiving external force; Can be compressed, the joint of said fitting seat 1 and bellows 2 is provided with at least one through hole 4, and dust-proof cover is in movement process like this; Volume in the dust-proof cover can constantly change; The interior gas pressure of dust-proof cover this moment also can change accordingly, so dust-proof cover will utilize above-mentioned through hole 4 and external environment to carry out the effective gas circulation, if the sectional area of through hole 4 is less; Not only can influence the circulation of gas, and dust-proof cover can produce abnormal sound.In the embodiment that the utility model provides, the joint of said fitting seat 1 and bellows 2 is provided with 3 through holes 41,42,43, and said 3 through holes 41,42,43 extend and are obliquely installed towards the direction of fitting seat 1 to inner chamber 3 by the dust-proof cover outer surface; And the center line that is positioned at the through hole 41,43 of position, both sides in the said through hole forms the angle with equal angular with the center line of the through hole that is positioned at the neutral position 42 respectively; Such 3 through holes 41,42,43 are stressed evenly, help improving the intensity of dust-proof cover, in addition; For gas communication smooth and easy; As preferably, the above-mentioned through hole 42 that is positioned at the neutral position is over against vehicle outside, and the angle of above-mentioned angle is between 30 degree to 90 degree; Both can prevent the dustproof construction interference that bumps, be beneficial to the circulation of gas again.
Shown in Figure 2 is along the schematic representation of dustproof construction among the sectional view of A-A line cutting among Fig. 1 and first kind of embodiment of the utility model shown in Figure 3; Said through hole 4 is extended with dustproof construction 5 from the internal surface of dust-proof cover to inner chamber 3; The baffle plate 52 that said dustproof construction 5 comprises the extension part of an end connecting through hole 4 and is arranged on the extension part the other end; Said extension part is provided with the opening 510 that is used for gas communication; Said extension part has the groove 51 that is provided with opening 510 towards fitting seat 1 direction, and groove 51 is extended and is obliquely installed towards the direction of fitting seat 1 to baffle plate 52 by through hole 4, because dust need be fallen the outside of dust-proof cover along groove 51; So opening 510 should upwards be provided with along the axial direction of dust-proof cover; I.e. as shown in Figure 2 direction, groove 51 is lower than the end away from through hole 4 near an end of through hole 4, helps the discharge of dust like this.
In order to prevent dust in discharge process, fall in the dust-proof cover, consider the factor of gas communication again; As preferably; The cross section of said groove 51 is untight circular arc, the line length of said opening 510 external arc be groove 51 whole outer circumferences 1/4 to 1/2 between, said baffle plate 52 sealing grooves 51 are away from the port of through hole 4; And baffle plate 52 is along the axial direction setting of bellows 2, and said baffle plate 52 extends a bump 520 towards the direction of fitting seat.
On first kind of embodiment's basis, among second kind of embodiment that the utility model provides, second kind of embodiment adopts identical accompanying drawing to indicate on identical parts with first kind of embodiment; Identical component no longer is given unnecessary details; What second kind of embodiment was different with first kind of embodiment is: as shown in Figure 4, said extension part comprise groove 51 and be arranged on groove 51 and through hole 4 between pipe 53, gas is in the process that gets into dust-proof cover inner chamber 3; Dust may be along with the opening of gas through groove 51; Under the situation that does not run into baffle plate 52, directly get into the inner chamber 3 of dust-proof cover, the effect of dustproof construction reduces greatly like this; But between groove 51 and through hole 4, pipe 53 is set; Can adjust gas and get into the direction in the dust-proof cover, avoid occurring dust and do not running under the situation that baffle plate 52 stops, directly get into the inner chamber 3 of dust-proof cover.
As shown in Figure 5, a kind of vehicle shock absorber comprises the supporting base 6 and the dust-proof cover that are fixedly connected with fitting seat 1, and said dust-proof cover is above-mentioned dust-proof cover, and said vehicle shock absorber also comprises helical spring 7, piston rod 8, oil storage cylinder 10 and buffer body 9.
Below introduce the working procedure of dust-proof cover: when the gas volume in the dust-proof cover and pressure changed, gas can pass through through hole and get in the dust-proof cover, and at this moment dust may be mixed in the gas; Get into dust-proof cover, dust is stopped by baffle plate 52 and receives action of gravity, drops on the internal surface of groove 51; And discharge dust-proof cover gradually, gas still can freedom circulate effectively, like this; Suitably increase the sectional area of through hole 4, both can avoid dust-proof cover to produce abnormal sound, have dustproof preferably effect again.
The through hole 4 of said dust-proof cover not only can be used for the circulation of gas, and has heat sinking function preferably.
The above is merely the utility model preferred embodiment; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. dust-proof cover; Comprise the fitting seat (1) and the compressible bellows (2) that are used for fixing; And the inner chamber (3) that forms by bellows (2); The joint of said fitting seat (1) and bellows (2) is provided with at least one through hole (4), it is characterized in that, said through hole (4) is extended with dustproof construction (5) from the dust-proof cover internal surface to inner chamber (3); The baffle plate (52) that said dustproof construction (5) comprises the extension part of an end connecting through hole (4) and is arranged on the extension part the other end, said extension part are provided with the opening (510) that is used for gas communication.
2. dust-proof cover as claimed in claim 1 is characterized in that, said extension part has the groove (51) that is provided with opening (510) towards fitting seat (1) direction.
3. dust-proof cover as claimed in claim 2 is characterized in that, said extension part comprise groove (51) and be arranged on groove (51) and through hole (4) between pipe (53).
4. like claim 2 or 3 described dust-proof cover, it is characterized in that said groove (51) is extended and is obliquely installed towards the direction of fitting seat (1) to baffle plate (52) by through hole (4).
5. dust-proof cover as claimed in claim 4 is characterized in that, said baffle plate (52) is along the axial direction setting of bellows (2), and said baffle plate (52) extends a bump (520) towards the direction of fitting seat (1).
6. dust-proof cover as claimed in claim 1; It is characterized in that; The joint of said fitting seat (1) and bellows (2) is provided with 3 through holes (41,42,43), and said 3 through holes (41,42,43) extend and are obliquely installed towards the direction of fitting seat (1) to inner chamber (3) by the dust-proof cover outer surface.
7. dust-proof cover as claimed in claim 6; It is characterized in that; The center line that is positioned at the through hole (41,43) of position, both sides in the said through hole forms the angle with equal angular with the center line of the through hole that is positioned at the neutral position (42) respectively, the angle ranging between 30 degree to 90 degree.
8. a vehicle shock absorber comprises the supporting base (6) and the dust-proof cover that are fixedly connected with fitting seat (1), it is characterized in that, said dust-proof cover is any described dust-proof cover in the claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204130190U CN202301717U (en) | 2011-10-26 | 2011-10-26 | Dust cover and vehicle vibration damper with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204130190U CN202301717U (en) | 2011-10-26 | 2011-10-26 | Dust cover and vehicle vibration damper with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301717U true CN202301717U (en) | 2012-07-04 |
Family
ID=46370622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204130190U Expired - Lifetime CN202301717U (en) | 2011-10-26 | 2011-10-26 | Dust cover and vehicle vibration damper with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165971A (en) * | 2017-06-28 | 2017-09-15 | 北京汽车研究总院有限公司 | A kind of damping jacket structure and vehicle |
-
2011
- 2011-10-26 CN CN2011204130190U patent/CN202301717U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165971A (en) * | 2017-06-28 | 2017-09-15 | 北京汽车研究总院有限公司 | A kind of damping jacket structure and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |