CN205047702U - Dirt proof boot of connecting rod formula brake automatic adjustment arm - Google Patents
Dirt proof boot of connecting rod formula brake automatic adjustment arm Download PDFInfo
- Publication number
- CN205047702U CN205047702U CN201520793481.6U CN201520793481U CN205047702U CN 205047702 U CN205047702 U CN 205047702U CN 201520793481 U CN201520793481 U CN 201520793481U CN 205047702 U CN205047702 U CN 205047702U
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- CN
- China
- Prior art keywords
- proof boot
- dirt
- proof
- dirt proof
- adjustment arm
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- 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 dirt proof boot of connecting rod formula brake automatic adjustment arm which belongs to the technical field of automobile -used adjustment arm. This kind of dirt proof boot of connecting rod formula brake automatic adjustment arm includes the dirt proof boot body, the dirt proof boot body adopt concave circular lonely with the lonely hollow structure of interval arrangement mutually of dome, the both ends of the dirt proof boot body are equipped with dirt proof boot top and dirt proof boot bottom respectively, the inboard on dirt proof boot top is equipped with dustproof running -on of outer face of cylinder matched with and dirt proof boot stomatodeum groove with the connecting rod, the inboard of dirt proof boot bottom be equipped with with the arm body on the guiding hole opening outside the surperficial dirt proof boot bottom recess that closely cooperates mutually. This dirt proof boot simple structure, the practicality is strong, has improved the leakproofness of adjustment arm, has strengthened the protection to adjustment arm internals, has lengthened life.
Description
Technical field
The utility model relates to the dirt-proof boot of a kind of linkage type brake automatic adjusting arm, and it belongs to the technical field of motor vehicle braking system.
Background technique
The vehicle of assembling drum brake is all generally the braking gap being regulated motor vehicle braking system by adjustment arm.In the process of driving, adjustment arm as the part meeting frequent operation of motor vehicle braking system, thus reaches the object regulating Vehicle Speed.Because various operating mode is very complicated, enter if any any foreign matter the working life that adjustment arm inside will affect adjustment arm greatly.
Model utility content
The purpose of this utility model is to overcome above-mentioned not enough problem, provides the dirt-proof boot of a kind of linkage type brake automatic adjusting arm, to improve the sealing of adjustment arm, improves the working life of adjustment arm.
The technical solution adopted in the utility model is: a kind of dirt-proof boot of linkage type brake automatic adjusting arm, it comprises dust-proof body, described dust-proof body adopts recessed arc and dome orphan apart from one another by the hollow structure be arranged in, the two ends of dust-proof body are respectively equipped with dirt-proof boot top and dirt-proof boot bottom, the inner side on described dirt-proof boot top is provided with the dust-proof running-on and dirt-proof boot port recess that match with the external cylindrical surface of connecting rod, and the inner side of described dirt-proof boot bottom is provided with and mutually close-fitting dirt-proof boot bottom, the pilot hole open outer side surface groove on arm body.
Described dust-proof body, dirt-proof boot top and dirt-proof boot bottom adopt high-elastic plastics or oil resistant rubber to make.
The beneficial effects of the utility model: the dirt-proof boot of this kind of linkage type brake automatic adjusting arm comprises dust-proof body, dust-proof body adopts recessed arc and dome orphan apart from one another by the hollow structure arranged, the two ends of dust-proof body are respectively equipped with dirt-proof boot top and dirt-proof boot bottom, the inner side on dirt-proof boot top is provided with the dust-proof running-on and dirt-proof boot port recess that match with the external cylindrical surface of connecting rod, and the inner side of dirt-proof boot bottom is provided with and mutually close-fitting dirt-proof boot bottom, the pilot hole open outer side surface groove on arm body.This dust-proof cover structure is simple, practical, improves the sealing of adjustment arm, enhances the protection to adjustment arm inner body, extends working life.
Accompanying drawing explanation
Fig. 1 is a kind of link arm body structure figure with dirt-proof boot of the present utility model.
Fig. 2 is the sectional view of dirt-proof boot of the present utility model.
Fig. 3 is the sectional view of Fig. 1.
In figure: 1, arm body, 1a, pilot hole, 1b, pilot hole opening, 2, connecting rod, 3, dirt-proof boot, 4, dirt-proof boot top, 5, dust-proof running-on, 5a, dirt-proof boot port recess, 6, dust-proof body, 7, dust-proof mantle cavity, 8, dirt-proof boot bottom, 8a, dirt-proof boot bottom groove.
Embodiment
Fig. 1, Fig. 2 and Fig. 3 show the dirt-proof boot of a kind of linkage type brake automatic adjusting arm, it comprises dust-proof body 6, dirt-proof boot top 4, dirt-proof boot bottom 8 and dust-proof mantle cavity 7, the top of dust-proof body 6 arranges dirt-proof boot top 4, and the bottom of dust-proof body 6 arranges dirt-proof boot bottom 8.Dirt-proof boot top 4 is provided with dust-proof running-on 5, and dust-proof running-on 5 is provided with the dirt-proof boot port recess 5a matched with connecting rod 2, and dirt-proof boot bottom 8 is provided with and the pilot hole opening 1b outer surface mutually close-fitting dirt-proof boot bottom groove 8a on arm body 1.
When adopting technique scheme work, the part that dirt-proof boot 3 is sleeved on the pilot hole 1a of connecting rod 2 cantilever arm body 1 seals pilot hole opening 1b.Form dust-proof mantle cavity 7 in dust-proof body 6, dirt-proof boot top 4 is provided with dust-proof running-on 5.Connecting rod 2 is successively through dust-proof running-on 5, dust-proof mantle cavity 7, and connecting rod 2 and dust-proof running-on 5 clamping-type are tightly connected, and dirt-proof boot bottom 8 is tightly connected with the pilot hole opening 1b on arm body 1.This dust-proof cover structure is simple, practical, can protect adjustment arm inner components better, increase the service life.
Claims (2)
1. the dirt-proof boot of a linkage type brake automatic adjusting arm, it comprises dust-proof body (6), it is characterized in that: described dust-proof body (6) adopts recessed arc and dome orphan apart from one another by the hollow structure arranged, the two ends of dust-proof body (6) are respectively equipped with dirt-proof boot top (4) and dirt-proof boot bottom (8), the inner side of described dirt-proof boot top (4) is provided with the dust-proof running-on (5) and dirt-proof boot port recess (5a) that match with the external cylindrical surface of connecting rod (2), the inner side of described dirt-proof boot bottom (8) is provided with and pilot hole opening (1b) outer surface mutually close-fitting dirt-proof boot bottom groove (8a) on arm body (1).
2. the dirt-proof boot of a kind of linkage type brake automatic adjusting arm according to claim 1, is characterized in that: described dust-proof body (6), dirt-proof boot top (4) and dirt-proof boot bottom (8) adopt high-elastic plastics or oil resistant rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520793481.6U CN205047702U (en) | 2015-10-15 | 2015-10-15 | Dirt proof boot of connecting rod formula brake automatic adjustment arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520793481.6U CN205047702U (en) | 2015-10-15 | 2015-10-15 | Dirt proof boot of connecting rod formula brake automatic adjustment arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047702U true CN205047702U (en) | 2016-02-24 |
Family
ID=55341283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520793481.6U Active CN205047702U (en) | 2015-10-15 | 2015-10-15 | Dirt proof boot of connecting rod formula brake automatic adjustment arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205047702U (en) |
-
2015
- 2015-10-15 CN CN201520793481.6U patent/CN205047702U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |