CN215487210U - Automobile wheel hub bearing that leakproofness is good - Google Patents
Automobile wheel hub bearing that leakproofness is good Download PDFInfo
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- CN215487210U CN215487210U CN202120902585.1U CN202120902585U CN215487210U CN 215487210 U CN215487210 U CN 215487210U CN 202120902585 U CN202120902585 U CN 202120902585U CN 215487210 U CN215487210 U CN 215487210U
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- ring
- sealing
- outer ring
- inner ring
- hub bearing
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Abstract
The utility model discloses an automobile hub bearing with good sealing performance, which belongs to the technical field of automobile parts.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to an automobile hub bearing with good sealing performance.
Background
The hub bearing is a part applied to an automobile axle for bearing and providing accurate guide for the rotation of a hub, bears axial load and radial load, and is an important component of automobile load and rotation. The hub bearing comprises a framework, an inner ring, an outer ring and balls. The hub bearing is a sealed bearing, and the service life of the sealed bearing is greatly dependent on the sealing performance of the sealed bearing;
the automobile wheel hub bearing of traditional single seal ring formula has the leakproofness low, and dustproof effect is poor defect, has the condition that external foreign matter enters into the bearing inside to cause the influence to the operation of bearing.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an automobile hub bearing for preventing foreign matters from entering the bearing.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an automobile wheel hub bearing that leakproofness is good, includes inner circle and outer lane, characterized by: the sealing device is arranged between the inner ring and the outer ring and comprises an inner ring and an outer ring, the outer ring comprises a plurality of sealing blocks and a plurality of connecting blocks, the sealing blocks and the connecting blocks are alternately arranged around the ring and are connected with each other, the sealing blocks are respectively movably connected with the inner ring and the outer ring, the inner ring comprises a rigid ring and a sealing ring, the rigid ring is respectively movably connected with the inner ring and the outer ring, and the sealing ring is fixed between the rigid rings.
The further scheme is as follows: the connecting block comprises two sealing plates, a spring and a rubber sleeve, the two sealing plates are fixedly connected with the sealing blocks respectively, the rubber sleeve is arranged between the two sealing plates and fixedly connected with the two sealing plates, and the spring is arranged in the rubber sleeve.
The further scheme is as follows: and balls are arranged between the sealing block and the inner ring and between the sealing block and the outer ring, and rolling grooves matched with the balls are formed in the inner ring, the outer ring and the sealing block.
The further scheme is as follows: sliding rings are arranged between the rigid ring and the inner ring and between the rigid ring and the outer ring, and sliding grooves matched with the sliding rings are formed in the inner ring, the outer ring and the rigid ring.
The further scheme is as follows: the sealing ring comprises a rubber ring and a sealing net, the rubber ring and the sealing net are fixedly connected with the rigid ring, and the sealing net is formed by staggering sealing strips.
Through adopting above-mentioned technical scheme, install sealing device between inner circle and outer lane and include inner ring circle and outer ring circle, the dustproof construction of inner ring circle and outer ring circle can effectually prevent that external foreign matter from entering into to automobile wheel hub bearing inside, guarantees automobile wheel hub bearing's effective use.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of an automobile hub bearing with good sealing performance according to the present invention;
FIG. 2 is a schematic front view of an automobile hub bearing with good sealing performance according to an embodiment of the present invention;
FIG. 3 is a schematic side view, cross-sectional structural view of a connecting block of an embodiment of an automobile hub bearing with good sealing performance according to the present invention;
FIG. 4 is a schematic side view, cross-sectional structural view of a sealing device of an embodiment of an automobile hub bearing with good sealing performance according to the present invention;
FIG. 5 is a schematic top sectional view of a sealing device of an embodiment of an automobile hub bearing with good sealing performance according to the present invention;
FIG. 6 is a schematic cross-sectional view of a sealing net and a rigid ring of an embodiment of an automobile hub bearing with good sealing performance according to the present invention;
FIG. 7 is a schematic view of a sealing net structure of an embodiment of an automobile hub bearing with good sealing performance according to the present invention;
in the figure: 1. an inner ring; 2. an outer ring; 3. a sealing device; 4. an inner ring; 5. an outer ring; 6. a sealing block; 7. connecting blocks; 8. a rigid ring; 9. a seal ring; 10. a sealing plate; 11. a spring; 12. a rubber sleeve; 13. a ball bearing; 14. rolling a groove; 15. a slip ring; 16. a chute; 17. a rubber ring; 18. sealing the net; 19. a sealing strip.
Detailed Description
An embodiment of the automobile hub bearing with good sealing performance according to the present invention is further described with reference to fig. 1 to 7.
An automobile hub bearing with good sealing performance comprises an inner ring 1 and an outer ring 2 of the bearing, wherein the inner ring 1 and the outer ring 2 are fixed relatively and can rotate relatively, a sealing device 3 is arranged between the inner ring 1 and the outer ring 2, the sealing device 3 comprises an inner ring 4 and an outer ring 5, the outer ring 5 is arranged outside the bearing relative to the inner ring 4, the outer ring 5 comprises a plurality of sealing blocks 6 and a plurality of connecting blocks 7, the sealing blocks 6 and the connecting blocks 7 are arranged in an annular and alternate mode around a gap formed between the inner ring 1 and the outer ring 2 and are connected with each other, the sealing blocks 6 can be made of metal materials and are used for providing strength support for the outer ring 5, the sealing blocks 6 are provided with balls 13, each sealing block 6 can correspond to two balls 13, the two balls 13 can be respectively arranged between the sealing block 6 and the inner ring 1 and the outer ring 2, the inner ring 1, the outer ring 2 and the sealing blocks 6 are all provided with rolling grooves 14 matched with the balls 13, the rolling grooves 14 on the inner ring 1 and the outer ring 2 correspond to the rolling grooves 14 on the sealing block 6, and the space formed by the two rolling grooves 14 can be used for placing the balls 13, the balls 13 are placed in the rolling grooves 14 and can rotate relative to the inner ring 1, the outer ring 2 and the sealing block 6, so that the whole outer ring 5 can rotate relative to the inner ring 1 and the outer ring 2, and the whole outer ring 5 is prevented from sliding out from the space between the inner ring 1 and the outer ring 2.
Connecting block 7 includes two closing plates 10, spring 11 and rubber sleeve 12, two closing plates 10 can be fixed in the both ends of rubber sleeve 12 respectively and respectively with adjacent 6 fixed connection of sealed piece, spring 11 is arranged in rubber sleeve 12 and is provided elastic support for rubber sleeve 12, whole connecting block 7 can provide elasticity and dustproof support for outer ring 5, when having avoided the entering of external foreign matter, still make whole connecting block 7 have certain elasticity, prevent that connecting block 7 is impaired.
The inner ring 4 comprises a rigid ring 8 and a sealing ring 9, the rigid ring 8 can be annular metal and is two, the sealing ring 9 can be fixed between the two rigid rings 8, the rigid rings 8 are provided with sliding rings 15, the sliding rings 15 can be two and are respectively arranged between the rigid rings 8 and the inner ring 1 and the outer ring 2, the inner ring 1, the outer ring 2 and the rigid rings 8 are respectively provided with a sliding groove 16 matched with the sliding rings 15, the sliding grooves 16 on the inner ring 1 and the outer ring 2 correspond to the sliding grooves 16 on the sealing block 6, and a space formed by the two corresponding sliding grooves 16 can be used for the sliding rings 15 to be arranged in, the sliding rings 15 are arranged in the sliding grooves 16 and rotate relative to the inner ring 1, the outer ring 2 and the rigid rings 8, so that the whole inner ring 4 can rotate relative to the inner ring 1 and the outer ring 2 and prevent the whole inner ring 4 from sliding out from the inner ring 1 and the outer ring 2.
The sealing ring 9 comprises a rubber ring 17 and a sealing net 18, the rubber ring 17 is arranged on the inner side of the hub relative to the sealing net 18, the sealing net 18 is annularly fixed between the two rigid rings 8, the sealing net 18 is composed of sealing strips 19, the sealing strips 19 can be made of Kevlar materials, the Kevlar materials have the advantages of high strength and good tensile property, the sealing strips 19 can be arranged in a criss-cross mode, the sealing strips 19 can be fixedly connected with the rigid rings 8, the sealing net 18 can be arranged between the rigid rings 8 in a multilayer and parallel mode, the sealing net 18 can effectively prevent external foreign matters from entering the inside of the bearing, the rubber ring 17 can be respectively fixedly connected with the two rigid rings 8, the inner ring 4 is elastically supported, and the inner ring 4 is prevented from being damaged by force.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.
Claims (5)
1. The utility model provides an automobile wheel hub bearing that leakproofness is good, includes inner circle and outer lane, characterized by: the sealing device is arranged between the inner ring and the outer ring and comprises an inner ring and an outer ring, the outer ring comprises a plurality of sealing blocks and a plurality of connecting blocks, the sealing blocks and the connecting blocks are alternately arranged around the ring and are connected with each other, the sealing blocks are respectively movably connected with the inner ring and the outer ring, the inner ring comprises a rigid ring and a sealing ring, the rigid ring is respectively movably connected with the inner ring and the outer ring, and the sealing ring is fixed between the rigid rings.
2. The automobile hub bearing with good sealing performance as claimed in claim 1, wherein: the connecting block comprises two sealing plates, a spring and a rubber sleeve, the two sealing plates are fixedly connected with the sealing block respectively, the rubber sleeve is arranged between the two sealing plates and fixedly connected with the two sealing plates, and the spring is arranged in the rubber sleeve.
3. The automobile hub bearing with good sealing performance as claimed in claim 2, wherein: and balls are arranged between the sealing block and the inner ring and between the sealing block and the outer ring, and rolling grooves matched with the balls are formed in the inner ring, the outer ring and the sealing block.
4. The automobile hub bearing with good sealing performance as claimed in claim 3, wherein: and sliding rings are arranged between the rigid ring and the inner ring as well as between the rigid ring and the outer ring, and sliding grooves matched with the sliding rings are formed in the inner ring, the outer ring and the rigid ring.
5. The automobile hub bearing with good sealing performance as claimed in claim 4, wherein: the sealing ring comprises a rubber ring and a sealing net, the rubber ring and the sealing net are fixedly connected with the rigid ring, and the sealing net is formed by staggering sealing strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120902585.1U CN215487210U (en) | 2021-04-28 | 2021-04-28 | Automobile wheel hub bearing that leakproofness is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120902585.1U CN215487210U (en) | 2021-04-28 | 2021-04-28 | Automobile wheel hub bearing that leakproofness is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487210U true CN215487210U (en) | 2022-01-11 |
Family
ID=79776470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120902585.1U Active CN215487210U (en) | 2021-04-28 | 2021-04-28 | Automobile wheel hub bearing that leakproofness is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487210U (en) |
-
2021
- 2021-04-28 CN CN202120902585.1U patent/CN215487210U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230329 Address after: 313100 South of Shangzhuang Road, east of Chenwang Road, Changxing County Development Zone, Huzhou City, Zhejiang Province Patentee after: Zhejiang Zhongying Auto Parts Co.,Ltd. Address before: 313100 No.3, east of ChenWang Road, south of Shangzhuang Road, Changxing Development Zone, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG ZHONGTONG AUTOMOBILE PARTS Co.,Ltd. |