CN210371757U - Brake bottom plate assembly mainly improving shoe shaft bushing - Google Patents
Brake bottom plate assembly mainly improving shoe shaft bushing Download PDFInfo
- Publication number
- CN210371757U CN210371757U CN201920721786.4U CN201920721786U CN210371757U CN 210371757 U CN210371757 U CN 210371757U CN 201920721786 U CN201920721786 U CN 201920721786U CN 210371757 U CN210371757 U CN 210371757U
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- CN
- China
- Prior art keywords
- shoe
- bottom plate
- mounting hole
- shaft bushing
- brake bottom
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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.)
- Expired - Fee Related
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Abstract
The utility model provides a brake bottom plate assembly of mainly improving shoe axle bush, including brake bottom plate, brake bottom plate's one end is equipped with the camshaft mounting hole, and brake bottom plate's the other end is equipped with two shoe axle mounting holes, installs shoe axle bush in the shoe axle mounting hole, and shoe axle bush is stainless steel material, and shoe axle bush is the opening cover, rises tightly through elasticity and does not have the lubricating-oil hole on the interior circumference of opening cover in individual shoe axle mounting hole. The shoe shaft bushing is improved, and the lubricating oil holes are eliminated by combining the material properties, so that the shoe shaft bushing has good wear resistance and low friction coefficient; secondly, the shaft biting phenomenon is avoided, and oil and self lubrication are avoided; thirdly, corrosion resistance, flame retardance and static resistance are achieved; fourthly, high strength; fifthly, corrosion, pitting and rusting can not be generated; sixthly, the alloy has excellent strength and toughness, excellent heat resistance, long-term fatigue resistance and good performance maintenance after thermal aging; excellent dimensional stability and anti-warping effect.
Description
Technical Field
The utility model belongs to car drum brake field relates to a brake shoe shaft liner's of main improvement shoe brake bottom plate assembly.
Background
In the automobile industry, at present, when a drum brake brakes, a brake shoe rotates around a shoe plate shaft; at present, in the automobile industry, when a drum brake brakes, a brake shoe rotates around a shoe plate shaft; the abrasion of parts is caused by long-term friction between a shoe shaft and a guide hole of a brake bottom plate during working, a lining is embedded in the hole to reduce the abrasion of the shoe shaft and the hole of the bottom plate, a common shoe shaft lining is a bimetallic lining, as shown in figure 1, the bimetallic lining consists of a carbon steel sleeve and a copper alloy lining, and a lubricating oil hole is arranged in the circumferential direction.
Disclosure of Invention
For solving the defect that current shoe axle bush is with high costs, the manufacturing is complicated, the utility model provides a brake bottom plate assembly of mainly improving shoe axle bush.
Therefore, the utility model adopts the following technical scheme: the utility model provides a mainly improve shoe axle bush's brake shoe assembly, includes brake shoe, brake shoe's one end is equipped with the camshaft mounting hole, and brake shoe's the other end is equipped with two shoe axle mounting holes, installs shoe axle bush, its characterized in that in the shoe axle mounting hole: the shoe shaft bushing is made of stainless steel materials, the shoe shaft bushing is an opening sleeve and is elastically tensioned in the shoe shaft mounting hole, and no lubricating oil hole is formed in the inner circumference of the opening sleeve.
The stainless steel material adopted by the shoe plate shaft bushing is specifically a stainless steel material of American standard ASTM (American Standard), and the mark is B-2-45, B-2-37 or B-2-44, and the stainless steel material has more outstanding long-term fatigue resistance and anti-warping performance.
The utility model has the advantages that: by improving the shoe shaft bushing and combining the material properties, a lubricating oil hole is eliminated, so that the shoe shaft bushing has good wear resistance and low friction coefficient; the performance is good, no shaft biting phenomenon exists, oil is not generated, self-lubricating is achieved, and consumption is reduced; thirdly, corrosion resistance, flame retardance, static resistance and light dead weight; fourthly, the strength is high, and the load can be borne for a long time; fifthly, corrosion, pitting and rusting can not be generated; sixthly, the alloy has excellent strength and toughness, excellent heat resistance, long-term fatigue resistance and good performance maintenance after thermal aging; excellent dimensional stability and anti-warping effect.
Drawings
Fig. 1 is a structural view of a conventional shoe shaft bushing.
Fig. 2 is a front view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a front view of the shoe shaft bushing of the present invention.
Fig. 5 is a side view of a middle shoe bushing according to the present invention.
Detailed Description
As shown in fig. 2 to 5, a brake shoe assembly mainly improving a shoe shaft bushing includes a brake shoe 3, one end of the brake shoe is provided with a cam shaft mounting hole 4, the other end of the brake shoe 1 is provided with two shoe shaft mounting holes, a shoe shaft bushing 5 is mounted in the shoe shaft mounting hole, the shoe shaft bushing 5 is made of stainless steel, the shoe shaft bushing 5 is an open sleeve and is elastically tensioned in each shoe shaft mounting hole, and no lubricating oil hole is formed in the inner circumference of the shoe shaft bushing 5.
As shown in fig. 4 and 5, the shoe shaft bushing 5 is shaped as a circular ring, and an axial opening 5-1 is formed on the circular ring.
The stainless steel material is specifically the stainless steel material adopting American standard ASTM (American Standard), and the mark is B-2-45, B-2-37 or B-2-44, and the long-term fatigue resistance and the anti-warping performance of the stainless steel material are more outstanding. Optimally, B-2-45 is selected.
Claims (2)
1. The utility model provides an improve shoe axle bush's brake shoe assembly, includes brake shoe, brake shoe's one end is equipped with the camshaft mounting hole, and brake shoe's the other end is equipped with two shoe axle mounting holes, installs shoe axle bush, its characterized in that in the shoe axle mounting hole: the shoe shaft bushing is made of stainless steel materials, the shoe shaft bushing is an opening sleeve and is elastically tensioned in the shoe shaft mounting hole, and no lubricating oil hole is formed in the inner circumference of the opening sleeve.
2. The brake spider assembly for an improved shoe bushing of claim 1, wherein: the stainless steel material adopted by the shoe shaft bushing is specifically a stainless steel material of American standard ASTM (American Standard), and the grade is B-2-45, B-2-37 or B-2-44.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721786.4U CN210371757U (en) | 2019-05-20 | 2019-05-20 | Brake bottom plate assembly mainly improving shoe shaft bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721786.4U CN210371757U (en) | 2019-05-20 | 2019-05-20 | Brake bottom plate assembly mainly improving shoe shaft bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210371757U true CN210371757U (en) | 2020-04-21 |
Family
ID=70260791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920721786.4U Expired - Fee Related CN210371757U (en) | 2019-05-20 | 2019-05-20 | Brake bottom plate assembly mainly improving shoe shaft bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210371757U (en) |
-
2019
- 2019-05-20 CN CN201920721786.4U patent/CN210371757U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200421 Termination date: 20210520 |