CN215763006U - Integral piston for automobile shock absorber - Google Patents
Integral piston for automobile shock absorber Download PDFInfo
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- CN215763006U CN215763006U CN202121400090.5U CN202121400090U CN215763006U CN 215763006 U CN215763006 U CN 215763006U CN 202121400090 U CN202121400090 U CN 202121400090U CN 215763006 U CN215763006 U CN 215763006U
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Abstract
The utility model relates to a one-piece piston for a shock absorber of an automobile. The piston comprises a piston body, wherein a through hole for installing a piston rod is formed in the center of the piston body, the piston body comprises a circulation end and a restoration end, the outer diameter of the circulation end is larger than that of the restoration end, a plurality of restoration holes are uniformly distributed around the through hole, the circulation end and the restoration end penetrate through the restoration hole from top to bottom, an annular groove is formed in the joint of the circulation end and the restoration end, a plurality of circulation holes are uniformly distributed on the periphery of the restoration holes, the lower ends of the circulation holes are communicated with the annular groove, an encapsulating groove is formed in the outer wall of the circulation end, and an encapsulating rubber is coated outside the encapsulating groove. The utility model has simple structure, reduces the production cost, also reduces the difficulty of adjusting the force value, reduces the matching process cost and does not need to bear the risk cost of dislocation of the two body circulation holes and the recovery hole.
Description
Technical Field
The utility model relates to a piston, in particular to an integral piston for an automobile shock absorber, and belongs to the technical field of automobile parts.
Background
With the continuous improvement of the quality requirements of the automobile industry, the performance requirements of a host factory on the shock absorber are higher and higher, the cost and the performance of the product are influenced by the difficulty in the process machining of the shock absorber at present, and meanwhile, the awareness of energy conservation and emission reduction is increased. The split piston used in the conventional shock absorber is generally formed by assembling two individuals with equal diameters or two individuals with different diameters, the piston with the structure has the advantages that the two individuals exist, the cycle time and the equipment time of the two individuals are increased in the forming process, the process cost is increased in the matching process, the risk that the circulation holes and the recovery holes of the two individuals are staggered is further borne, and the progress of a product is influenced. Meanwhile, as the circulation hole and the recovery hole are arranged on the same surface, in order to ensure the circulation effect during compression, the valve plate is usually required to be provided with a hole to ensure the normal flow of oil. The specification of the hole on the valve plate can influence the force value of the shock absorber, and the size of the flow area of the hole is difficult to master.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks, an object of the present invention is to provide an integral piston for an automobile shock absorber, which has a simple structure, separates a circulation hole from a recovery hole on a recovery surface, avoids forming a hole on a valve plate, reduces the difficulty of force value adjustment, and reduces the production cost.
Therefore, the technical scheme adopted by the utility model is as follows:
the piston comprises a piston body, wherein a through hole for installing a piston rod is formed in the center of the piston body, the piston body comprises a circulation end and a restoration end, the outer diameter of the circulation end is larger than that of the restoration end, a plurality of restoration holes are uniformly distributed around the through hole, the circulation end and the restoration end penetrate through the restoration hole from top to bottom, an annular groove is formed in the joint of the circulation end and the restoration end, a plurality of circulation holes are uniformly distributed on the periphery of the restoration holes, the lower ends of the circulation holes are communicated with the annular groove, an encapsulating groove is formed in the outer wall of the circulation end, and an encapsulating rubber is coated outside the encapsulating groove.
As a further improvement of the technical scheme, the plurality of the restoration holes are positioned on the same circumference.
As a further improvement of the above technical solution, the plurality of flow holes are located on the same circumference.
As a further improvement of the above technical solution, the annular groove is an annular trapezoidal groove, and an opening direction of the annular trapezoidal groove faces outward.
As a further improvement of the technical proposal, the inclination angle of the lower end surface of the flow hole is 20-25 degrees.
As a further improvement of the technical scheme, the upper end face and the lower end face of the recovery hole are circular holes, and the upper end face of the circulation hole is a square hole.
The utility model has the advantages that:
the valve plate has a simple structure, the circulation holes and the recovery holes of the recovery surface are separately arranged, the opening of the valve plate is avoided, the difficulty of adjusting the force value is reduced, the time and the cost for developing the die are reduced by adjusting the two bodies into a whole, the production is simplified, the production complexity is reduced, the matching process cost is reduced, and the risk cost of dislocation of the circulation holes and the recovery holes of the two bodies is not needed to be borne.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure, 1 is a piston body, 2 is a through hole, 3 is a flow-through end, 4 is a recovery end, 5 is a recovery hole, 6 is an annular groove, 7 is a flow-through hole, and 8 is an encapsulation.
Detailed Description
The integral piston for the automobile shock absorber comprises a piston body 1, wherein a through hole 2 for installing a piston rod is formed in the center of the piston body 1, the piston body 1 comprises a circulation end 3 and a restoration end 4, the outer diameter of the circulation end 3 is larger than that of the restoration end 4, a plurality of restoration holes 5 are uniformly distributed around the through hole 2, the restoration holes 5 penetrate through the circulation end 3 and the restoration end 4 from top to bottom, an annular groove 6 is formed in the joint of the circulation end 3 and the restoration end 4, a plurality of circulation holes 7 are uniformly distributed on the periphery of the restoration holes 5, the lower ends of the circulation holes 7 are communicated with the annular groove 6, an encapsulating groove is formed in the outer wall of the circulation end 3, and an encapsulating rubber 8 covers the encapsulating groove.
As a further improvement of the above technical solution, the plurality of recovery holes 5 are located on the same circumference.
As a further improvement of the above solution, the plurality of flow holes 7 are located on the same circumference.
As a further improvement of the above technical solution, the annular groove 6 is an annular trapezoidal groove, and an opening direction of the annular trapezoidal groove faces outward.
As a further improvement of the technical proposal, the inclination angle of the lower end surface of the flow hole 7 is 20-25 degrees.
As a further improvement of the above technical solution, the upper and lower end surfaces of the recovery hole 5 are circular holes, and the upper end surface of the circulation hole 7 is a square hole.
The circulation hole with the restoration face separately sets up with the hole that restores, has avoided trompil on the valve block, has reduced the degree of difficulty of regulating power value, through adjusting two individuals for whole, has reduced development mould time and expense, and simplified production reduces the complexity of production, reduces cooperation process cost and need not undertake the risk cost of two body circulation holes and the hole dislocation that restores, can adjust the external diameter of piston and the bumper shock absorber of the area that dams in the hole that restores in order to adapt to different power value requirements according to customer's requirement.
It is to be emphasized that: the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The integral piston is characterized by comprising a piston body, wherein a through hole for installing a piston rod is formed in the center of the piston body, the piston body comprises a circulation end and a restoration end, the outer diameter of the circulation end is larger than that of the restoration end, a plurality of restoration holes are uniformly distributed around the through hole, the restoration holes penetrate through the circulation end and the restoration end from top to bottom, an annular groove is formed in the joint of the circulation end and the restoration end, a plurality of circulation holes are uniformly distributed on the periphery of the restoration holes, the lower ends of the circulation holes are communicated with the annular groove, an encapsulating groove is formed in the outer wall of the circulation end, and an encapsulating rubber is coated on the outer side of the encapsulating groove.
2. The monobloc piston for shock absorber of automobile of claim 1 wherein said plurality of recovery holes are located on the same circumference.
3. A monobloc piston for a shock absorber for an automobile according to claim 1 wherein said plurality of flow holes are located on the same circumference.
4. The monobloc piston for a shock absorber of an automobile as set forth in claim 1, wherein said annular recess is an annular trapezoidal groove, and an opening direction of said annular trapezoidal groove is directed outward.
5. The monobloc piston for shock absorber of automobile as set forth in claim 4 wherein the angle of inclination of the lower end surface of said flow hole is 20 ° -25 °.
6. The monobloc piston for a shock absorber of an automobile as set forth in claim 1, wherein the upper and lower end surfaces of said recovery hole are circular holes, and the upper end surface of said circulation hole is a square hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121400090.5U CN215763006U (en) | 2021-06-23 | 2021-06-23 | Integral piston for automobile shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121400090.5U CN215763006U (en) | 2021-06-23 | 2021-06-23 | Integral piston for automobile shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215763006U true CN215763006U (en) | 2022-02-08 |
Family
ID=80101818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121400090.5U Active CN215763006U (en) | 2021-06-23 | 2021-06-23 | Integral piston for automobile shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215763006U (en) |
-
2021
- 2021-06-23 CN CN202121400090.5U patent/CN215763006U/en active Active
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