CN217271888U - Sealing structure between steering transmission shaft and sealing cover - Google Patents
Sealing structure between steering transmission shaft and sealing cover Download PDFInfo
- Publication number
- CN217271888U CN217271888U CN202220458199.2U CN202220458199U CN217271888U CN 217271888 U CN217271888 U CN 217271888U CN 202220458199 U CN202220458199 U CN 202220458199U CN 217271888 U CN217271888 U CN 217271888U
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- Prior art keywords
- sealing
- cover
- transmission shaft
- bearing
- seal
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 88
- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 230000007704 transition Effects 0.000 claims abstract description 47
- 238000009434 installation Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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Abstract
The utility model discloses a seal structure between steering transmission shaft and sealed cowling, including transition cover, jump ring, sealed bearing A and O type sealing washer, be equipped with the seal groove that is used for installing O type sealing washer in the inner wall of transition cover, be provided with the step on the outer circumference of transition cover, sealed bearing A fixed position is installed in step department to fix sealed bearing A on the transition cover through the jump ring. The utility model has the advantages that: 1. the problem of sealing failure after the steering transmission shaft and the sealing cover are used for a long time is solved; 2. the problem of abnormal sound generated by friction between the steering transmission shaft and the sealing cover in the rotating direction is solved; 3. after the novel sealing structure is used, the steering wheel rotates more flexibly, so that the driving experience is improved.
Description
Technical Field
The utility model relates to a steering drive shaft's sealed field mainly is a seal structure between steering drive shaft and the sealed cowling.
Background
The steering transmission shaft assembly is a part for transmitting the force and the movement of a steering wheel to a steering gear, and the connection scheme between the existing automobile steering transmission shaft and a sealing cover (dust cover) is as follows: the sealing cover is directly sleeved on the outer surface of the spline shaft or the spline sleeve of the steering transmission shaft, and the sealing effect is achieved by utilizing the rubber performance and the interference fit of the sealing cover. The technical scheme has the following defects that: abnormal sound is easily generated when the steering transmission shaft and the sealing cover rotate, and after the steering transmission shaft and the sealing cover are used for a long time, friction is generated between the steering transmission shaft and the sealing cover, so that the sealing performance is weakened, and the sealing performance is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide a seal structure between steering transmission shaft and the sealed cowling, promote sealing performance, solve the long back seal failure problem of live time between steering transmission shaft and the sealed cowling.
The purpose of the utility model is accomplished through following technical scheme. The utility model provides a seal structure between steering transmission shaft and sealed cowling, includes transition cover, jump ring, sealed bearing A and O type sealing washer, be equipped with the seal groove that is used for installing O type sealing washer in the inner wall of transition cover, be provided with the step on the outer circumference of transition cover, sealed bearing A location is installed in step department to fix sealed bearing A on the transition cover through the jump ring.
Furthermore, the transition sleeve is sleeved on the spline shaft and fixedly connected with the spline shaft, the snap spring is a snap spring for the shaft, and the sealing cover is directly fixed on the outer surface of the sealing bearing A.
Furthermore, the utility model also comprises an outer transition sleeve and a sealing bearing B, wherein the inner wall of the outer transition sleeve is provided with a positioning groove for installing a snap spring; one end of the sealing bearing B is positioned through the end face of the outer transition sleeve, the other end of the sealing bearing B is positioned through the step, the transition sleeve is sleeved on the spline sleeve and fixedly connected, and the sealing cover is fixed on the outer surface of the outer transition sleeve.
Furthermore, the clamp spring is a hole clamp spring.
Furthermore, the sealing bearing B and the sealing bearing A are symmetrically arranged.
Furthermore, the outer transition sleeve is provided with an installation groove, and the sealing cover is fixed on the installation groove.
The utility model has the advantages that:
1. the problem of sealing failure after long-time use between the steering transmission shaft and the sealing cover is solved;
2. the problem of abnormal sound generated by friction between the steering transmission shaft and the sealing cover in the rotating direction is solved;
3. after using this novel seal structure, the steering wheel rotates more in a flexible way to promote driving experience.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of the present invention in specific application 1.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of the present invention in practical application 2.
Description of the reference numerals: the sealing structure comprises a transition sleeve 1, a sealing groove 1-1, a step 1-2, a clamp spring 2, a sealing bearing A3, an O-shaped sealing ring 4, an outer transition sleeve 5, a positioning groove 5-1, a mounting groove 5-2, a sealing bearing B6, a spline shaft 7, a spline sleeve 8 and a sealing cover mounting position A.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples, but the present invention is not limited to the following examples.
In the description of the present invention, unless otherwise expressly specified or limited, it is to be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated. The terms "disposed" and "connected" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the general terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1: as shown in fig. 1-2, a sealing structure between a steering transmission shaft and a sealing cover, in particular to a sealing structure of the sealing cover on the outer surface of a spline shaft 7: the novel transition sleeve comprises a transition sleeve 1, a clamp spring 2, a sealing bearing A3 and an O-shaped sealing ring 4, wherein the O-shaped sealing ring 4 is installed in a sealing groove 1-1 of the transition sleeve 1, a step 1-2 is arranged on the outer circumference of the transition sleeve 1, the sealing bearing A3 is positioned and installed at the step 1-2, and a sealing bearing A3 is fixed on the transition sleeve 1 through the clamp spring 2 (the clamp spring for a shaft is adopted). The transition sleeve 1 is sleeved on the spline shaft 7 and fixedly connected with the spline shaft, the middle of the transition sleeve is sealed by an O-shaped sealing ring 4, the sealing cover is directly fixed on the outer surface of the sealing bearing A3, and the marked A in the drawing indicates the installation position of the sealing cover.
Example 2: as shown in fig. 3-4, a sealing structure between a steering transmission shaft and a sealing cover, in particular a sealing structure of the sealing cover on the outer surface of a spline housing 8: the sealing device comprises a transition sleeve 1, a clamp spring 2, a sealing bearing A3, an O-shaped sealing ring 4, an outer transition sleeve 5 and a sealing bearing B6, wherein the sealing bearing B6 and the sealing bearing A3 are symmetrically arranged, and a positioning groove 5-1 for mounting the clamp spring 2 is formed in the inner wall of the outer transition sleeve 5; an O-shaped sealing ring 4 is installed in a sealing groove 1-1 of the transition sleeve 1, a step 1-2 is arranged on the outer circumference of the transition sleeve 1, a sealing bearing A3 is installed at the step 1-2 in a positioning mode, and the sealing bearing A3 is fixed on the transition sleeve 1 through a clamp spring 2 (a clamp spring for a hole is adopted). One end of the sealing bearing B6 is positioned through the end face of the outer transition sleeve 5, the other end of the sealing bearing B6 is positioned through the step 1-2, the transition sleeve 1 is sleeved on the spline sleeve 8 and fixedly connected, and the sealing cover is fixed on the outer surface of the outer transition sleeve 5. Preferably, an installation groove 5-2 may be provided on the outer transition sleeve 5, and the sealing cover is fixed on the installation groove 5-2, wherein a marked on the drawing indicates the installation position of the sealing cover. In the embodiment, two sealing bearings are adopted between the transition sleeve 1 and the outer transition sleeve 5, so that the smoothness during rotation is ensured.
The principle of the utility model is as follows: the new sealing structural member uses an O-shaped sealing ring on the contact surface of the spline shaft (spline housing) to achieve the sealing effect. The middle rotating part adopts a sealing bearing, and the rotating flexibility is greatly improved on the premise of ensuring the sealing performance.
The above description is only a preferred embodiment of the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a seal structure between steering drive shaft and sealed cowling which characterized in that: including transition cover (1), jump ring (2), sealed bearing A (3) and O type sealing washer (4), be equipped with seal groove (1-1) that is used for installing O type sealing washer (4) in the inner wall of transition cover (1), be provided with step (1-2) on the outer circumference of transition cover (1), sealed bearing A (3) location is installed in step (1-2) department to fix sealed bearing A (3) on transition cover (1) through jump ring (2).
2. A seal structure between a steering transmission shaft and a seal cover according to claim 1, characterized in that: the transition sleeve (1) is sleeved on the spline shaft (7) and fixedly connected with the spline shaft, the clamp spring (2) is a clamp spring for a shaft, and the sealing cover is directly fixed on the outer surface of the sealing bearing A (3).
3. A seal structure between a steering transmission shaft and a seal cover according to claim 1, characterized in that: the device also comprises an outer transition sleeve (5) and a sealing bearing B (6), wherein a positioning groove (5-1) for mounting the clamp spring (2) is formed in the inner wall of the outer transition sleeve (5); one end of the sealing bearing B (6) is positioned through the end face of the outer transition sleeve (5), the other end of the sealing bearing B (6) is positioned through the step (1-2), the transition sleeve (1) is sleeved on the spline sleeve (8) and fixedly connected with the spline sleeve, and the sealing cover is fixed on the outer surface of the outer transition sleeve (5).
4. A seal structure between a steering transmission shaft and a seal cover according to claim 3, characterized in that: the clamp spring (2) is a clamp spring for a hole.
5. A seal structure between a steering transmission shaft and a seal cover according to claim 3, characterized in that: the seal bearing B (6) and the seal bearing A (3) are symmetrically arranged.
6. A seal structure between a steering transmission shaft and a seal cover according to claim 3, characterized in that: the outer transition sleeve (5) is provided with an installation groove (5-2), and the sealing cover is fixed on the installation groove (5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220458199.2U CN217271888U (en) | 2022-03-03 | 2022-03-03 | Sealing structure between steering transmission shaft and sealing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220458199.2U CN217271888U (en) | 2022-03-03 | 2022-03-03 | Sealing structure between steering transmission shaft and sealing cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217271888U true CN217271888U (en) | 2022-08-23 |
Family
ID=82858409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220458199.2U Expired - Fee Related CN217271888U (en) | 2022-03-03 | 2022-03-03 | Sealing structure between steering transmission shaft and sealing cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217271888U (en) |
-
2022
- 2022-03-03 CN CN202220458199.2U patent/CN217271888U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang Qianchao Co.,Ltd. Patentee after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee before: WANXIANG QIANCHAO Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220823 |