CN2413939Y - Shock absorber bush - Google Patents
Shock absorber bush Download PDFInfo
- Publication number
- CN2413939Y CN2413939Y CN 00216169 CN00216169U CN2413939Y CN 2413939 Y CN2413939 Y CN 2413939Y CN 00216169 CN00216169 CN 00216169 CN 00216169 U CN00216169 U CN 00216169U CN 2413939 Y CN2413939 Y CN 2413939Y
- Authority
- CN
- China
- Prior art keywords
- spring
- abrasion
- cambered
- block
- arc wear
- 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.)
- Expired - Fee Related
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- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to a shaft sleeve for shock absorbers, which comprises a shaft sleeve seat, an oblique wedge, a spring, a cambered abrasion-proof block, an annular sealing ring, a cambered abrasion-proof sheet, a sealing ring outer sleeve and a pressure spring. A macro groove is arranged on the inner wall of a round hole on the shaft sleeve seat, and the cambered abrasion-proof block and the oblique wedge are arranged in the macro groove, wherein, the oblique wedge is provided with the spring. After the cambered abrasion-proof sheet and the cambered abrasion-proof block are abraded, under the action of the spring, the oblique wedge promotes the cambered abrasion-proof block to keep coordinating with a pitman shaft favorably, and a purpose of autocompensation is achieved. The annular sealing ring and the pressure spring which are arranged in the sealing ring outer sleeve are matched with the lower end of the shaft sleeve seat, and therefore, favorable sealing performance can be ensured.
Description
The utility model relates to a kind of piston rod axle sleeve of automobile absorber.
In existing technology, cooperating between the piston rod that various vehicles subtract the waist device and the axle sleeve is the free-running fit of whole circular hole and cylinder, in order to reach the abrasion resistant purpose, generally all is provided with an oilless metal at sleeve lining.Though oilless metal can play certain wear-resisting effect,, in use cause the axle sleeve wearing and tearing easily.Make tolerance clearance become big after the wearing and tearing, poor sealing, thus causing the damping performance variation, shorten service life.
The purpose of this utility model provides a kind of bumper axle sleeve, its not only wear-resisting, good airproof performance, and in case after wearing and tearing, also have automatic compensation function.
The purpose of this utility model is achieved like this: the circular-hole internal-wall at sleeve block is provided with arc wear plate and mace groove, is provided with an arc wear-resistant block and a wedge in the mace groove, is provided with the spring that exceeds its plane at the big end of wedge, and this spring places below the pressing plate.After arc wear plate and arc wear-resistant block in use wore and tore, under the effect of spring, wedge promoted the arc wear-resistant block, makes the arc wear-resistant block can keep good cooperating with piston rod all the time, reaches self-conpensating purpose.When arc wear plate and arc wear-resistant block may wear to when to a certain degree not having compensating action, the grommet type seals that is arranged in the seal ring overcoat can keep good fit with the sleeve block lower end under the effect of stage clip, thereby also can keep the favorable sealing property between piston rod and the sleeve block after assurance arc wear plate and the wearing and tearing of arc wear-resistant block.
Owing to adopt such scheme, the utlity model has long service life, good seal performance, and simple in structure.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the sectional structure scheme drawing of the utility model embodiment.
Fig. 2 is the disk scheme drawing of the utility model embodiment.
Fig. 3 is the pressing plate scheme drawing of the utility model embodiment.
1. sleeve blocks among the figure, 2. wedge, 3. spring, 4. arc wear-resistant block, 5. grommet type seals, 6. arc wear plate, 7. seal ring overcoat, 8. stage clip, 9. pressing plate.
As shown in the figure, be provided with an arc wear plate 6 at the circular-hole internal-wall of sleeve block 1, and have one not to logical mace groove in the opposite of this arc wear plate 6, arc wear-resistant block 4 and wedge 2 place in the mace groove.Be provided with the spring 3 that exceeds its plane at wedge 2 big ends, this spring 3 places below the pressing plate 9.When arc wear plate 6 and arc wear-resistant block 4 in use wore and tore, wedge 2 can promote arc wear-resistant block 4 and piston rod keeps good cooperating all the time according to the worn-down degree under the effect of spring 3, reach self-conpensating purpose.Arc wear plate 6 and arc wear-resistant block 4 to a certain degree do not have automatic compensation and do the time spent when may wear to, its tolerance clearance can increase, when causing poor sealing and shockproof properties to reduce behind the gap increase that prevents bumper, on sleeve block 1, be provided with a grommet type seals 5, it is good fit with sleeve block 1 lower end that this grommet type seals 5 can keep under the effect of stage clip 8 all the time, because grommet type seals 5 has certain width with the contact surface of sleeve block 1, after wearing and tearing during its gap increase, grommet type seals 5 can be moved along with the side travel of piston rod, all the time can keep good seal, can also play simultaneously and slow down the worn-down effect.Grommet type seals 5 is sealed by seal ring overcoat 7 with shell fragment 8.For preventing excessive fluid loss, be provided with many liquid return grooves at the cylindrical of sleeve block 1.
Claims (1)
1, a kind of bumper axle sleeve, comprise sleeve block (1), wedge (2), spring (3), arc wear-resistant block (4), grommet type seals (5), arc wear plate (6), seal ring overcoat (7) and stage clip (8), circular-hole internal-wall at sleeve block (1) is provided with arc wear plate (6), it is characterized in that: in sleeve block (1) circular hole, be provided with the mace groove, the one side of wedge (2) is slack running fit with the mace groove, another side cooperates with arc wear-resistant block (4), the big end of described wedge (2) is provided with the spring (3) that exceeds its plane, and this spring (3) places below the pressing plate (9); Be provided with horizontal servo-actuated grommet type seals (5) in sleeve block (1) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00216169 CN2413939Y (en) | 2000-01-18 | 2000-01-18 | Shock absorber bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00216169 CN2413939Y (en) | 2000-01-18 | 2000-01-18 | Shock absorber bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2413939Y true CN2413939Y (en) | 2001-01-10 |
Family
ID=33581951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00216169 Expired - Fee Related CN2413939Y (en) | 2000-01-18 | 2000-01-18 | Shock absorber bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2413939Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110742693A (en) * | 2019-11-15 | 2020-02-04 | 合肥京东方光电科技有限公司 | Medical trolley |
-
2000
- 2000-01-18 CN CN 00216169 patent/CN2413939Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110742693A (en) * | 2019-11-15 | 2020-02-04 | 合肥京东方光电科技有限公司 | Medical trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |