CN216589581U - Automobile steering knuckle bearing sealing structure - Google Patents
Automobile steering knuckle bearing sealing structure Download PDFInfo
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- CN216589581U CN216589581U CN202220019801.2U CN202220019801U CN216589581U CN 216589581 U CN216589581 U CN 216589581U CN 202220019801 U CN202220019801 U CN 202220019801U CN 216589581 U CN216589581 U CN 216589581U
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- bearing
- arc
- steering knuckle
- push block
- automobile steering
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Abstract
The utility model is suitable for a sealed field provides a steering knuckle bearing seal structure, including the steering knuckle axle, still include: the bearing comprises a bearing seat, a bearing, a sealing ring, a push block, a wedge block, a pressure spring, an arc-shaped push block and a graphite layer. Install the bearing outside on the bearing frame, the bearing inboard is connected with the knuckle spindle, during the installation, ejector pad and bearing end face contact, the ejector pad promotes the wedge and removes to the knuckle spindle, and then compress the pressure spring, the pressure spring promotes the arc ejector pad and removes to the knuckle spindle, thereby reduce the clearance between sealed lid and the knuckle spindle, the terminal graphite layer of arc ejector pad is used for reducing the wearing and tearing that produce when the arc ejector pad rotates relatively with the knuckle spindle, the sealing ring is used for sealing lid and bearing frame sealing connection, the sealed pad of arc that the arc ejector pad both sides set up is used for guaranteeing when the relative slip between arc ejector pad and the sealed lid, the arc ejector pad still keeps good leakproofness with sealed lid, and then prevent that impurity from getting into in the bearing.
Description
Technical Field
The utility model belongs to sealed field especially relates to a car knuckle bearing seal structure.
Background
The working environment of the automobile steering knuckle often contains impurities such as muddy water. These impurities enter the sealing space of the knuckle bearing of the automobile and seriously reduce the sealing effect.
When impurities enter the working space of the bearing, the abrasion of the bearing can be increased along with the rotation of the bearing, meanwhile, lubricating oil on the bearing can be deteriorated, and the service life of the bearing is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an automobile steering knuckle bearing seal structure, aim at solving when impurity gets into the working space of bearing, along with the rotation of bearing, can increase the wearing and tearing of bearing, also can make the lubricating oil on the bearing rotten simultaneously, reduce the life of bearing.
The embodiment of the utility model provides a realize like this, a car knuckle bearing seal structure, including the car knuckle axle, still include: the device comprises a bearing seat, a bearing, a sealing ring, a push block, a wedge block, a pressure spring, an arc-shaped push block and a graphite layer;
the bearing is connected with an automobile steering knuckle shaft, the bearing seat is connected with the bearing, sealing covers are arranged at two ends of the bearing seat, a first annular groove is formed in one side, close to the bearing seat, of each sealing cover, the sealing ring is arranged in the first annular groove, a first sliding groove, a second sliding groove and a second annular groove are formed in each sealing cover, the first sliding groove is communicated with the second sliding groove, the first sliding groove and the second sliding groove are vertically arranged, the second sliding groove is communicated with the second annular groove, the push block is connected in the first sliding groove in a sliding mode, the wedge block is arranged in the second sliding groove in a sliding mode, the push block is in sliding fit with the wedge block, the pressure spring is arranged in the second sliding groove, the arc push block is connected in the second annular groove in a sliding mode, the graphite layer is arranged at one end, close to the automobile steering knuckle shaft, of the arc push block, arc grooves are formed in two sides of the arc push block, an arc-shaped sealing gasket is arranged in the arc-shaped groove.
According to the technical scheme, the sealing cover is provided with a through hole, a fixing bolt is arranged in the through hole, and the fixing bolt is in threaded connection with the bearing seat.
According to the further technical scheme, six through holes are formed in the sealing cover and are evenly distributed on the sealing cover in an annular mode.
According to a further technical scheme, oil storage tanks are formed among the bearing seat, the bearing and the sealing cover.
According to the technical scheme, the number of the first sliding grooves and the number of the second sliding grooves in the sealing cover are two, and the first sliding grooves and the second sliding grooves are symmetrically arranged on the sealing cover.
The embodiment of the utility model provides a sealing structure of an automobile steering knuckle bearing, when in use, the outer side of the bearing is arranged on a bearing seat, the inner side of the bearing is connected with an automobile steering knuckle shaft, when in installation, a push block is contacted with the end surface of the bearing, the push block pushes a wedge block to move towards the automobile steering knuckle shaft, further compressing the pressure spring which pushes the arc-shaped push block to move towards the automobile steering knuckle shaft, thereby reducing the clearance between the sealing cover and the automobile steering knuckle shaft, meanwhile, the graphite layer at the tail end of the arc-shaped push block is used for reducing abrasion generated when the arc-shaped push block and the automobile steering knuckle shaft rotate relatively, the sealing ring is used for connecting the sealing cover with the bearing seat in a sealing manner, the arc-shaped sealing gaskets arranged at two sides of the arc-shaped push block are used for ensuring that the arc-shaped push block and the sealing cover slide relatively, the arc-shaped push block and the sealing cover still keep good sealing performance, so that impurities are prevented from entering the bearing, and the service life of the bearing is prolonged.
Drawings
Fig. 1 is a schematic structural view of an automobile steering knuckle bearing seal structure provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a-a in fig. 1 according to an embodiment of the present invention;
fig. 3 is an enlarged schematic structural diagram of B in fig. 1 according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the sealing cover in fig. 1 according to an embodiment of the present invention.
In the drawings: the automobile steering knuckle shaft comprises an automobile steering knuckle shaft 1, a bearing seat 2, a bearing 3, a sealing cover 4, a fixing bolt 5, a through hole 6, a first annular groove 7, a sealing ring 8, an oil storage groove 9, a first sliding groove 10, a push block 11, a second sliding groove 12, a wedge block 13, a pressure spring 14, a second annular groove 15, an arc-shaped push block 16, a graphite layer 17, an arc-shaped groove 18 and an arc-shaped sealing gasket 19.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
As shown in fig. 1-4, for the utility model discloses an embodiment provides a knuckle bearing seal structure, including the knuckle axle 1, still include: the device comprises a bearing seat 2, a bearing 3, a sealing ring 8, a push block 11, a wedge block 13, a pressure spring 14, an arc-shaped push block 16 and a graphite layer 17;
the bearing 3 is connected with an automobile steering knuckle shaft 1, the bearing seat 2 is connected with the bearing 3, sealing covers 4 are arranged at two ends of the bearing seat 2, a first annular groove 7 is arranged on one side, close to the bearing seat 2, of each sealing cover 4, each sealing ring 8 is arranged in the corresponding first annular groove 7, each sealing cover 4 is provided with a first sliding groove 10, a second sliding groove 12 and a second annular groove 15, each first sliding groove 10 is communicated with the corresponding second sliding groove 12, each first sliding groove 10 is vertically arranged with each second sliding groove 12, each second sliding groove 12 is communicated with each second annular groove 15, each pushing block 11 is slidably connected in the corresponding first sliding groove 10, each wedge block 13 is slidably arranged in the corresponding second sliding groove 12, each pushing block 11 is in sliding fit with each wedge block 13, each pressure spring 14 is arranged in the corresponding second sliding groove 12, each arc pushing block 16 is slidably connected in the corresponding second annular groove 15, each graphite layer 17 is arranged at one end, close to the automobile steering knuckle shaft 1, of each arc pushing block 16, arc-shaped grooves 18 are formed in two sides of the arc-shaped push block 16, and arc-shaped sealing gaskets 19 are arranged in the arc-shaped grooves 18.
In the embodiment of the utility model, when in use, the outer side of the bearing 3 is installed on the bearing seat 2, the inner side of the bearing 3 is connected with the automobile steering knuckle spindle 1, when in installation, the push block 11 is in end face contact with the bearing 3, the push block 11 pushes the wedge block 13 to move towards the automobile steering knuckle spindle 1, and further compresses the pressure spring 14, the pressure spring 14 pushes the arc push block 16 to move towards the automobile steering knuckle spindle 1, so as to reduce the gap between the sealing cover 4 and the automobile steering knuckle spindle 1, meanwhile, the graphite layer 17 at the tail end of the arc push block 16 is used for reducing the abrasion generated when the arc push block 16 rotates relative to the automobile steering knuckle spindle 1, the sealing ring 8 is used for sealing and connecting the sealing cover 4 with the bearing seat 2, the arc sealing gaskets 19 arranged at the two sides of the arc push block 16 are used for ensuring the relative sliding between the arc push block 16 and the sealing cover 4, the arc push block 16 and the sealing cover 4 still maintain good sealing performance, and further prevent impurities from entering the bearing 3, the service life of the bearing 3 is prolonged.
As shown in fig. 2, as a preferred embodiment of the present invention, the sealing cover 4 is provided with a through hole 6, a fixing bolt 5 is provided in the through hole 6, and the fixing bolt 5 is in threaded connection with the bearing seat 2.
In the embodiment of the present invention, the plurality of through holes 6 are used to improve the sealing performance of the sealing cover 4.
As shown in fig. 2, as a preferred embodiment of the present invention, six through holes 6 are provided, and six through holes 6 are annularly and uniformly distributed on the sealing cover 4.
In the embodiment of the present invention, the plurality of through holes 6 are used to improve the sealing performance of the sealing cover 4.
As shown in fig. 1, as a preferred embodiment of the present invention, an oil storage tank 9 is formed between the bearing housing 2, the bearing 3 and the sealing cover 4.
The embodiment of the utility model provides an in, oil storage tank 9 is used for saving lubricating oil, for bearing 3 provides lubricating oil, reduces bearing 3's wearing and tearing.
As shown in fig. 1-4, as a preferred embodiment of the present invention, two first sliding grooves 10 and two second sliding grooves 12 are disposed on the sealing cover 4, and the two first sliding grooves 10 and the two second sliding grooves 12 are symmetrically disposed on the sealing cover 4.
In the embodiment of the present invention, each sealing cover 4 is symmetrically provided with two first sliding grooves 10 and two second sliding grooves 12.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides an automobile steering knuckle bearing seal structure, includes the automobile steering knuckle axle, its characterized in that still includes: the device comprises a bearing seat, a bearing, a sealing ring, a push block, a wedge block, a pressure spring, an arc-shaped push block and a graphite layer;
the bearing is connected with an automobile steering knuckle shaft, the bearing seat is connected with the bearing, sealing covers are arranged at two ends of the bearing seat, a first annular groove is formed in one side, close to the bearing seat, of each sealing cover, the sealing ring is arranged in the first annular groove, a first sliding groove, a second sliding groove and a second annular groove are formed in each sealing cover, the first sliding groove is communicated with the second sliding groove, the first sliding groove and the second sliding groove are vertically arranged, the second sliding groove is communicated with the second annular groove, the push block is connected in the first sliding groove in a sliding mode, the wedge block is arranged in the second sliding groove in a sliding mode, the push block is matched with the wedge block in a sliding mode, the pressure spring is arranged in the second sliding groove, the arc push block is connected in the second annular groove in a sliding mode, the graphite layer is arranged at one end, close to the automobile steering knuckle shaft, of the arc push block, and arc grooves are formed in two sides of the arc push block, an arc-shaped sealing gasket is arranged in the arc-shaped groove.
2. The automobile steering knuckle bearing seal structure of claim 1, wherein the seal cover is provided with a through hole, a fixing bolt is arranged in the through hole, and the fixing bolt is in threaded connection with the bearing seat.
3. The automobile steering knuckle bearing seal structure according to claim 2, wherein the through-holes are provided in six, and the six through-holes are evenly distributed annularly on the seal cover.
4. The automobile knuckle bearing seal structure according to claim 1, wherein oil reservoirs are formed between the bearing housing, the bearing, and the seal cover.
5. The automobile steering knuckle bearing seal structure of claim 1, wherein there are two first and second sliding grooves on the seal cover, and the two first and second sliding grooves are symmetrically disposed on the seal cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220019801.2U CN216589581U (en) | 2022-01-06 | 2022-01-06 | Automobile steering knuckle bearing sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220019801.2U CN216589581U (en) | 2022-01-06 | 2022-01-06 | Automobile steering knuckle bearing sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216589581U true CN216589581U (en) | 2022-05-24 |
Family
ID=81633847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220019801.2U Active CN216589581U (en) | 2022-01-06 | 2022-01-06 | Automobile steering knuckle bearing sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216589581U (en) |
-
2022
- 2022-01-06 CN CN202220019801.2U patent/CN216589581U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |