CN219472625U - Piston for automobile shock absorber - Google Patents
Piston for automobile shock absorber Download PDFInfo
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- CN219472625U CN219472625U CN202320622790.1U CN202320622790U CN219472625U CN 219472625 U CN219472625 U CN 219472625U CN 202320622790 U CN202320622790 U CN 202320622790U CN 219472625 U CN219472625 U CN 219472625U
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- annular
- piston
- side wall
- sealing ring
- annular groove
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Abstract
The utility model discloses a piston for an automobile shock absorber, which comprises a piston body, wherein the piston body comprises a base and a circular ring part, the circular ring part is sleeved outside the base and is coaxially arranged with the base, a plurality of connecting blocks which are circumferentially distributed at intervals are arranged between the circular ring part and the base, oil discharging channels are formed between every two adjacent connecting blocks, the base, the circular ring part and the connecting blocks are integrally formed, a plurality of annular grooves which are axially distributed along the circular ring part at intervals are formed in the outer wall of the circular ring part, each annular groove is used for embedding one sealing ring part, at least one annular convex rib is arranged on the inner side wall of each annular groove, the annular convex ribs are coaxially arranged with the annular grooves, and are used for extruding the inner side wall of the sealing ring and clinging to the inner side wall of the sealing ring so as to prevent the sealing ring from moving along the axial direction of the annular groove; the utility model can ensure the sealing effect of the sealing ring on the clearance between the piston and the working cylinder barrel.
Description
Technical Field
The utility model relates to the technical field of automobile vibration absorbers, in particular to a piston for an automobile vibration absorber.
Background
The piston for the automobile shock absorber is an important part in the automobile shock absorber, the piston is installed in a working cylinder barrel positioned in the automobile shock absorber when in use, the piston is in sliding connection with the working cylinder barrel, in addition, a plurality of annular grooves which are distributed at intervals along the axial direction of the piston are arranged on the outer wall of the piston, each annular groove is used for embedding one sealing ring part, and each sealing ring is used for sealing a gap between the piston and the working cylinder barrel; however, in the above structure, when the piston slides relative to the working cylinder, due to the friction between the outer side wall of the seal ring and the inner side wall of the working cylinder, the seal ring easily generates a situation of moving along the axial direction of the annular groove in the annular groove, thereby affecting the sealing effect of the seal ring on the gap between the piston and the working cylinder.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the piston for the automobile shock absorber, which can effectively avoid the condition that a sealing ring positioned on an annular groove moves along the axial direction of the annular groove, thereby ensuring the sealing effect of the sealing ring on a gap between the piston and a working cylinder.
The piston for the automobile shock absorber comprises a piston body, wherein the piston body comprises a base and a circular ring part, the circular ring part is sleeved outside the base and is coaxially arranged with the base, a plurality of connecting blocks which are circumferentially distributed at intervals are arranged between the circular ring part and the base, an oil discharging channel is formed between every two adjacent connecting blocks, the base, the circular ring part and the connecting blocks are integrally formed, a plurality of annular grooves which are circumferentially distributed along the axial direction of the circular ring part at intervals are formed in the outer wall of the circular ring part, each annular groove is used for embedding one sealing ring part, at least one annular convex rib is arranged on the inner side wall of each annular groove, the annular convex ribs are coaxially arranged with the annular grooves, and are used for extruding the inner side wall of the sealing ring and are tightly attached to the inner side wall of the sealing ring so as to prevent the sealing ring from moving along the axial direction of the annular groove.
By adopting the structure, the annular convex rib can squeeze the inner side wall of the sealing ring and cling to the inner side wall of the sealing ring under the action of the annular convex rib so as to prevent the sealing ring from moving along the axial direction of the annular groove, thereby ensuring the sealing effect of the sealing ring on the gap between the piston and the working cylinder.
The piston for the automobile shock absorber comprises a plurality of annular convex ribs which are distributed at intervals along the axial direction of each annular groove, wherein the inner side wall of each annular groove is provided with a plurality of annular convex ribs which are distributed at intervals along the axial direction of each annular groove; after the annular convex ribs which are distributed at intervals along the axial direction of the annular groove are arranged in each annular groove, the annular convex ribs in each annular groove can further extrude and cling to the sealing rings, so that the sealing rings can be further prevented from moving along the axial direction of the annular groove, and the sealing effect on the gap between the piston and the working cylinder can be further improved.
The piston for the automobile shock absorber comprises a piston body, wherein the axial section of an annular convex rib is of a convex semi-cylindrical structure; after the annular convex rib with the structure is adopted, when the annular convex rib extrudes the sealing ring and clings to the sealing ring, the situation that the annular convex rib cuts the sealing ring can be avoided.
The piston for the automobile damper is characterized in that an annular conical surface is arranged on the outer wall of the upper part of the annular part, and the annular conical surface is used for guiding with the inner side wall of the sealing ring in a matched manner so as to facilitate the sealing ring to be embedded into the annular groove; after the annular conical surface is arranged on the outer wall of the upper part of the circular ring part, the annular conical surface can be matched and guided with the inner side wall of the sealing ring so that the sealing ring is conveniently embedded into the annular groove.
The piston for the automobile shock absorber comprises a piston body, wherein a plurality of reinforcing blocks are arranged at the joint of the inner side wall of the upper end of a circular ring part and the upper end of each connecting block at intervals along the extending direction of the connecting block; through the setting of boss, can improve the structural strength between connecting block and the ring portion, can improve the fracture strength that resists between ring portion and the connecting block promptly to can improve holistic structural strength and the reliability of piston.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic perspective view of a first embodiment of the present utility model;
FIG. 2 is a schematic view of a second perspective structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2A;
fig. 5 is an enlarged schematic view of the structure at B in fig. 3.
Detailed Description
Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
As shown in fig. 1-5, the piston for the automobile shock absorber comprises a piston body 1, wherein the piston body 1 comprises a base 11 and a circular ring part 12, the circular ring part 12 is sleeved outside the base 11 and is coaxially arranged with the base 11, a plurality of connecting blocks 13 which are circumferentially distributed at intervals are arranged between the circular ring part 12 and the base 11, an oil discharging channel 14 is formed between every two adjacent connecting blocks 13, the base 11, the circular ring part 12 and the connecting blocks 13 are integrally formed, a plurality of annular grooves 121 which are circumferentially distributed along the axial direction of the circular ring part 12 are arranged on the outer wall of the circular ring part 12, each annular groove 121 is used for embedding one sealing ring part, at least one annular convex rib 122 is arranged on the inner side wall of each annular groove 121, the annular convex rib 122 is coaxially arranged with the annular groove 121, and the annular convex rib 122 is used for extruding the inner side wall of the sealing ring and is tightly attached to the inner side wall of the sealing ring so as to prevent the sealing ring from moving along the axial direction of the annular groove 121.
A plurality of annular ribs 122 are arranged on the inner side wall of each annular groove 121 at intervals along the axial direction of the annular groove 121; after the annular convex ribs which are distributed at intervals along the axial direction of the annular groove are arranged in each annular groove, the annular convex ribs in each annular groove can further extrude and cling to the sealing rings, so that the sealing rings can be further prevented from moving along the axial direction of the annular groove, and the sealing effect on the gap between the piston and the working cylinder can be further improved.
The axial section of the annular convex rib 122 is of an outwards convex semi-cylindrical structure; after the annular convex rib with the structure is adopted, when the annular convex rib extrudes the sealing ring and clings to the sealing ring, the situation that the annular convex rib cuts the sealing ring can be avoided.
An annular conical surface 123 is arranged on the outer wall of the upper part of the circular ring part 12, and the annular conical surface 123 is used for guiding with the inner side wall of the sealing ring in a matched manner so as to facilitate the sealing ring to be embedded into the annular groove 121; after the annular conical surface is arranged on the outer wall of the upper part of the circular ring part, the annular conical surface can be matched and guided with the inner side wall of the sealing ring so that the sealing ring is conveniently embedded into the annular groove.
The connection part between the inner side wall of the upper end of the circular ring part 12 and the upper end of each connecting block 13 is provided with a plurality of reinforcing blocks 15 which are distributed at intervals along the extending direction of the connecting block 13; through the setting of boss, can improve the structural strength between connecting block and the ring portion, can improve the fracture strength that resists between ring portion and the connecting block promptly to can improve holistic structural strength and the reliability of piston.
The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.
Claims (5)
1. The utility model provides a piston for automobile shock absorber, includes piston body (1), piston body (1) includes basal portion (11) and ring portion (12), the outside at basal portion (11) is established to ring portion (12) cover and is coaxial with basal portion (11) setting, be provided with connecting block (13) that a plurality of is circumference interval distribution between ring portion (12) and basal portion (11), all form oil discharging channel (14) between every two adjacent connecting blocks (13), basal portion (11), ring portion (12) and a plurality of connecting block (13) integrated into one piece, be provided with a plurality of along ring portion (12) axial direction interval distribution's annular groove (121) on the outer wall of ring portion (12), every annular groove (121) all are used for supplying one of them sealing washer part to imbeds, its characterized in that: each annular groove (121) is provided with at least one annular convex rib (122) on the inner side wall, the annular convex ribs (122) and the annular grooves (121) are coaxially arranged, and the annular convex ribs (122) are used for extruding the inner side wall of the sealing ring and clinging to the inner side wall of the sealing ring so as to prevent the sealing ring from moving along the axial direction of the annular grooves (121).
2. The piston for an automobile shock absorber according to claim 1, wherein a plurality of annular ribs (122) are provided on an inner side wall of each annular groove (121) at intervals in an axial direction of the annular groove (121).
3. Piston for an automotive shock absorber according to claim 1 or 2, characterized in that the axial section of the annular bead (122) is of a convex semi-cylindrical structure.
4. Piston for an automotive shock absorber according to claim 1, characterized in that the outer wall of the upper part of the annular ring part (12) is provided with an annular conical surface (123), said annular conical surface (123) being adapted to cooperate with the inner side wall of the sealing ring for guiding the sealing ring to fit into the annular groove (121).
5. The piston for the automobile shock absorber according to claim 1, wherein a plurality of reinforcing blocks (15) which are distributed at intervals along the extending direction of the connecting blocks (13) are arranged at the connection part of the inner side wall of the upper end of the circular ring part (12) and the upper end of each connecting block (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320622790.1U CN219472625U (en) | 2023-03-27 | 2023-03-27 | Piston for automobile shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320622790.1U CN219472625U (en) | 2023-03-27 | 2023-03-27 | Piston for automobile shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219472625U true CN219472625U (en) | 2023-08-04 |
Family
ID=87436165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320622790.1U Active CN219472625U (en) | 2023-03-27 | 2023-03-27 | Piston for automobile shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219472625U (en) |
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2023
- 2023-03-27 CN CN202320622790.1U patent/CN219472625U/en active Active
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