CN220726964U - Combined piston special for damping motorcycle - Google Patents
Combined piston special for damping motorcycle Download PDFInfo
- Publication number
- CN220726964U CN220726964U CN202322486261.6U CN202322486261U CN220726964U CN 220726964 U CN220726964 U CN 220726964U CN 202322486261 U CN202322486261 U CN 202322486261U CN 220726964 U CN220726964 U CN 220726964U
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- CN
- China
- Prior art keywords
- wall
- piston
- damping
- piston body
- sealing ring
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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.)
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- 238000013016 damping Methods 0.000 title claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000035939 shock Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 28
- 239000010705 motor oil Substances 0.000 abstract description 11
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Abstract
The utility model relates to the technical field of damping pistons and discloses a special combined piston for motorcycle damping, which comprises a piston body, wherein a piston rod is fixedly connected to the upper surface of the piston body, a sealing ring is fixedly connected to the outer wall of the piston body, the outer wall of the sealing ring is in sliding connection with the inner wall of a damping valve body, an oil groove is formed in the piston body, one end of the oil groove is communicated with the inner wall of the sealing ring, the other end of the oil groove is communicated with the outer wall of the piston body, an arc-shaped extension surface is arranged at the top of the sealing ring, two arc-shaped extension surfaces are arranged at the bottom of the sealing ring, and the number of the arc-shaped extension surfaces is two. According to the utility model, through the arrangement of the arc-shaped extension surface and the oil groove, engine oil extrudes the arc-shaped extension surface, and simultaneously, engine oil flows into the oil groove to extrude the inner wall of the sealing ring, so that the outer wall of the sealing ring is tightly attached to the inner wall of the damping valve body, and the problem that leakage occurs due to the fact that gaps exist between the outer wall of the sealing ring and the inner wall of the damping valve body due to abrasion is solved.
Description
Technical Field
The utility model relates to the technical field of damping piston equipment, in particular to a special combined piston for damping of a motorcycle.
Background
The shock absorber is used for inhibiting vibration and impact from road surface when the spring rebounds after absorbing the vibration. While the shock absorbing spring can filter the shock of road surface when passing over uneven road surface, the spring itself can reciprocate, and the shock absorber is used to restrain the spring from jumping. The damping piston is an important component of the damper.
The utility model provides a CN201820002826.5 discloses a special combination piston of motorcycle shock attenuation, including the piston main part, piston bracing piece inlays the groove has been seted up to piston main part one side surface, the scraper ring support ware inlays the groove has been seted up to piston main part opposite side surface, the scraper ring support ware inlays the groove opposite side and inlays and be fixed with the scraper ring support ware, scraper ring support ware one side edge has been seted up the scraper ring and has inlayed the groove, the second grade ring support ware is inlayed the groove to scraper ring support ware opposite side surface, the second grade ring support ware is inlayed the groove opposite side and is fixed with the second grade ring support ware, second grade ring is inlayed the groove has been seted up to second grade ring support ware one side edge.
However, the device has the defects that although the piston can be assembled in a combined way, the practicability of the piston is guaranteed through the first-stage annular sleeve and the second-stage annular sleeve which are inlaid, the annular sleeve and the inner wall of the piston cylinder are continuously rubbed in the continuous compression and recovery stroke of the piston, and abrasion is easy to generate, so that gaps are generated between the annular sleeve and the piston cylinder, engine oil is leaked, and the damping effect is affected.
Therefore, the special combined piston for damping the motorcycle is designed to solve the problems.
Disclosure of Invention
The utility model aims to provide a special combined piston for damping of a motorcycle, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a special combined piston for damping of a motorcycle, which comprises a piston body, wherein a piston rod is fixedly connected to the upper surface of the piston body, a sealing ring is fixedly connected to the outer wall of the piston body, the outer wall of the sealing ring is in sliding connection with the inner wall of a damping valve body, an oil groove is formed in the piston body, one end of the oil groove is communicated with the inner wall of the sealing ring, the other end of the oil groove is communicated with the outer wall of the piston body, an arc-shaped extension surface is arranged at the top of the sealing ring, an arc-shaped extension surface is arranged at the bottom of the sealing ring, and the arc-shaped extension surfaces are two in total.
Further, the outer wall of the piston body is provided with first annular grooves, and the number of the first annular grooves is two.
Further, the oil grooves are divided into six groups, one group of the oil grooves is communicated with the upper surface of the piston body, the other group of the oil grooves is communicated with the lower surface of the piston body, and the other ends of the two groups of the oil grooves are communicated with the inner wall corresponding to the first annular groove.
Further, the distance between two adjacent oil grooves is equal.
Further, the second annular groove has been seted up to the inner wall of sealing washer, the second annular groove is total three sets of, the inner wall of second annular groove and the outer wall cooperation installation of piston body, the inner wall of sealing washer and the inner wall cooperation installation of first annular groove, the purpose of setting like this is convenient for strengthen the leakproofness between sealing washer and the piston body.
Further, the upper surface of piston body has seted up the circulation hole, the inner wall of circulation hole and the outer wall fixed connection of damping fin, the inner wall and the outer wall of damping fin all set up to the conical surface, the little one end of damping fin opening upwards sets up, and the purpose of setting up like this is convenient for increase the damping force to machine oil, consumes the energy of vibrations to promote shock attenuation effect.
Further, the number of the circulation holes is six, the distance between every two adjacent circulation holes is equal, the inner wall of each circulation hole is fixedly connected with three damping sheets, and the damping sheets are distributed at equal intervals.
The utility model has the following beneficial effects:
(1) According to the utility model, through the arrangement of the arc-shaped extension surface and the oil groove, when the shock absorber works, the piston moves up and down, engine oil in the shock absorption valve body extrudes the arc-shaped extension surface, so that the outer wall of the sealing ring is tightly attached to the inner wall of the shock absorption valve body, and engine oil flows into the oil groove, and due to the pressure effect, the inner wall of the sealing ring is extruded, so that the outer wall of the sealing ring is tightly attached to the inner wall of the shock absorption valve body, and the problem that leakage occurs due to the fact that gaps exist between the outer wall of the sealing ring and the inner wall of the shock absorption valve body due to abrasion is solved.
(2) According to the utility model, by arranging the damping fin, the damping force on engine oil is increased, the vibration energy is consumed, and the effect of improving the shock absorption performance is achieved.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic diagram of a schematic three-dimensional structure of a anger in the present utility model;
FIG. 3 is a schematic perspective view of a piston body according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a seal ring according to the present utility model;
in the drawings, the list of components represented by the various numbers is as follows:
in the figure: 1. a damping valve body; 2. a piston rod; 3. a seal ring; 4. a piston body; 5. an oil groove; 6. a damping sheet; 7. a flow hole; 8. a first annular groove; 9. an arcuate extension surface; 10. and a second annular groove.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the utility model discloses a special combined piston for damping a motorcycle, which comprises a piston body 4, wherein the upper surface of the piston body 4 is fixedly connected with a piston rod 2, the outer wall of the piston body 4 is fixedly connected with a sealing ring 3, the outer wall of the sealing ring 3 is in sliding connection with the inner wall of a damping valve body 1, an oil groove 5 is formed in the piston body 4, one end of the oil groove 5 is communicated with the inner wall of the sealing ring 3, the other end of the oil groove 5 is communicated with the outer wall of the piston body 4, the top of the sealing ring 3 is provided with an arc-shaped extension surface 9, the bottom of the sealing ring 3 is provided with two arc-shaped extension surfaces 9, and the purpose of the arrangement is to facilitate engine oil in the damping valve body 1 to extrude the arc-shaped extension surface 9, so that the outer wall of the sealing ring 3 is tightly attached to the inner wall of the damping valve body 1, and engine oil flows into the oil groove 5, and the outer wall of the sealing ring 3 is tightly attached to the inner wall of the damping valve body 1 due to pressure, so that a gap exists between the outer wall of the sealing ring 3 and the inner wall of the damping valve body 1, and the problem of leakage is solved.
The outer wall of the piston body 4 is provided with first annular grooves 8, and the number of the first annular grooves 8 is two.
The oil groove 5 is total to two sets of, and every oil groove 5 of group has six, and one end of one set of oil groove 5 is linked together with the upper surface of piston body 4, and the one end of another set of oil groove 5 is linked together with the lower surface of piston body 4, and the other end of two sets of oil grooves 5 all is linked together with the inner wall that corresponds first ring channel 8, and the purpose that sets up like this is so that the oil pressure makes the inner wall atress of sealing washer 3 even.
The spacing between two adjacent oil grooves 5 is equal.
The inner wall of sealing washer 3 has seted up second ring channel 10, and second ring channel 10 is total three groups, the inner wall of second ring channel 10 and the outer wall cooperation installation of piston body 4, the inner wall cooperation installation of sealing washer 3 and the inner wall of first ring channel 8, the purpose of setting so is convenient for strengthen the leakproofness between sealing washer 3 and the piston body 4.
The upper surface of piston body 4 has seted up flow hole 7, and flow hole 7's inner wall and damping fin 6's outer wall fixed connection, damping fin 6's inner wall and outer wall all set up to the conical surface, and damping fin 6 open-ended one end upwards sets up, and the purpose of setting up like this is convenient for increase the damping force to the engine oil, consumes the energy of vibrations to promote shock attenuation effect.
The number of the circulation holes 7 is six, the distance between every two adjacent circulation holes 7 is equal, the inner wall of each circulation hole 7 is fixedly connected with three damping fins 6, and the damping fins 6 are distributed at equal intervals.
Working principle: when the shock absorber is used, as shown in fig. 1 to 4, when the shock absorber works, the piston body 4 moves up and down, engine oil in the shock absorbing valve body 1 extrudes the arc-shaped extension surface 9, so that the outer wall of the sealing ring 3 is tightly attached to the inner wall of the shock absorbing valve body 1, and the engine oil flows into the oil groove 5, and due to the pressure effect, the inner wall of the sealing ring 3 is extruded, so that the outer wall of the sealing ring 3 is tightly attached to the inner wall of the shock absorbing valve body 1, thereby solving the problems that gaps exist between the outer wall of the sealing ring 3 and the inner wall of the shock absorbing valve body 1 and leakage occur due to abrasion.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The utility model provides a special combination piston of motorcycle shock attenuation, includes piston body (4), the last fixed surface of piston body (4) is connected with piston rod (2), the outer wall fixedly connected with sealing washer (3) of piston body (4), the outer wall of sealing washer (3) and the inner wall sliding connection of shock attenuation valve body (1), its characterized in that: the inside of piston body (4) has seted up oil groove (5), the one end of oil groove (5) is linked together with the inner wall of sealing washer (3), the other end of oil groove (5) is linked together with the outer wall of piston body (4), the top of sealing washer (3) is provided with arc extension face (9), the bottom of sealing washer (3) is provided with arc extension face (9), arc extension face (9) are total two.
2. The combined piston special for damping of a motorcycle according to claim 1, wherein: the outer wall of the piston body (4) is provided with first annular grooves (8), and the number of the first annular grooves (8) is two.
3. The combined piston special for damping of a motorcycle according to claim 2, wherein: the oil grooves (5) are divided into six groups, one group of the oil grooves (5) is communicated with the upper surface of the piston body (4), the other group of the oil grooves (5) is communicated with the lower surface of the piston body (4), and the other ends of the two groups of the oil grooves (5) are communicated with the inner wall corresponding to the first annular groove (8).
4. A motorcycle shock absorbing dedicated composite piston as defined in claim 3, wherein: the distance between two adjacent oil grooves (5) is equal.
5. The combined piston special for damping of a motorcycle according to claim 2, wherein: the inner wall of sealing washer (3) has seted up second ring channel (10), second ring channel (10) are total three groups, the inner wall of second ring channel (10) and the outer wall cooperation installation of piston body (4), the inner wall of sealing washer (3) and the inner wall cooperation installation of first ring channel (8).
6. The combined piston special for damping of a motorcycle according to claim 1, wherein: the piston is characterized in that a flow hole (7) is formed in the upper surface of the piston body (4), the inner wall of the flow hole (7) is fixedly connected with the outer wall of the damping fin (6), the inner wall and the outer wall of the damping fin (6) are both conical surfaces, and one end of the damping fin (6) with a small opening is upwards arranged.
7. The special combined piston for damping the motorcycle according to claim 6, wherein: six circulation holes (7) are provided, the distance between two adjacent circulation holes (7) is equal, three damping sheets (6) are fixedly connected to the inner wall of each circulation hole (7), and the damping sheets (6) are distributed at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322486261.6U CN220726964U (en) | 2023-09-13 | 2023-09-13 | Combined piston special for damping motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322486261.6U CN220726964U (en) | 2023-09-13 | 2023-09-13 | Combined piston special for damping motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726964U true CN220726964U (en) | 2024-04-05 |
Family
ID=90491028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322486261.6U Active CN220726964U (en) | 2023-09-13 | 2023-09-13 | Combined piston special for damping motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726964U (en) |
-
2023
- 2023-09-13 CN CN202322486261.6U patent/CN220726964U/en active Active
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