CN220748903U - Piston assembly of shock absorber - Google Patents
Piston assembly of shock absorber Download PDFInfo
- Publication number
- CN220748903U CN220748903U CN202322635707.7U CN202322635707U CN220748903U CN 220748903 U CN220748903 U CN 220748903U CN 202322635707 U CN202322635707 U CN 202322635707U CN 220748903 U CN220748903 U CN 220748903U
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- Prior art keywords
- piston
- fixing seat
- fixing base
- hole
- lower fixing
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- 230000035939 shock Effects 0.000 title claims abstract description 24
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 239000012634 fragment Substances 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012856 packing Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to a piston assembly of a shock absorber, which comprises a lower fixing seat, a lower fixing seat and a piston sheet, wherein the lower fixing seat is sleeved on a piston rod, the lower fixing seat is provided with a plurality of second piston holes, the lower fixing seat is provided with a plurality of fourth piston holes, one end of the lower fixing seat, which is opposite to the upper fixing seat, is provided with an adjusting disc, the adjusting disc is provided with a first piston hole, the opposite end of the adjusting disc is provided with a spring sheet, the opposite end of the adjusting disc is also provided with a plurality of limiting rods, and the lower fixing seat and the upper fixing seat are provided with limiting holes. Through setting up the regulating plate, be provided with the gag lever post on the regulating plate, be provided with spacing hole on lower fixing base and the last fixing base to stable regulation is down the size of fixing base and last fixing base department's fluid circulation and is kept unanimously, and the shell fragment on the regulating plate becomes the circulation of piston hole unidirectional flow, and then has reduced the fluid backward flow problem in piston hole, and the piston effect is better.
Description
Technical Field
The utility model relates to the technical field of shock absorbers, in particular to a piston assembly of a shock absorber.
Background
The cooperation of piston assembly (or called piston assembly) and hydro-cylinder in the automobile shock absorber ware can alleviate the vibrations of car through damping oil pressure, and the vibrations degree that the car of different qualities or model brought is different, so need use different piston assemblies to the piston bears the pressure too high, and the piston causes the damage, and the shock attenuation effect also can reduce.
Chinese patent CN217463028U provides a piston assembly of automobile shock absorber ware, including two fixing bases, two be connected with a plurality of composite piston spare between the fixing base, two the central part of fixing base is connected with the piston rod, the surface of piston rod just is located the terminal surface of fixing base and all is connected with fixation nut, and the bottom the terminal surface of fixing base is connected with the regulating disk.
According to the above patent, the thickness of the piston assembly is improved by arranging the plurality of detachable piston pieces, so that the piston effect is improved, the maintenance is convenient, but the piston assembly can only adjust the size of the piston hole through the adjusting disc, the piston hole is kept smooth at all times, thus when the piston assembly is used, the problem of oil backflow can occur at the piston hole in the process of moving up and down, the using effect of the piston is reduced, and the adjusting plate is required to be improved.
Disclosure of Invention
Based on this, it is necessary to provide a piston assembly of bumper shock absorber to prior art problem, through setting up the regulating plate, be provided with the gag lever post on the regulating plate, be provided with spacing hole on lower fixing base and the last fixing base to stable regulation is down the size of fixing base and last fixing base department's fluid circulation and is kept unanimous, and the shell fragment on the regulating plate becomes the circulation of piston hole unidirectional current, and then has reduced the fluid backward flow problem of piston hole, and the piston effect is better.
In order to solve the problems in the prior art, the utility model provides a piston assembly of a shock absorber, which comprises a lower fixing seat, a lower fixing seat and a plurality of piston sheets, wherein the lower fixing seat, the lower fixing seat and the plurality of piston sheets are sleeved on a piston rod, the plurality of piston sheets are arranged between the lower fixing seat and the lower fixing seat, the lower fixing seat is provided with a plurality of second piston holes, the lower fixing seat is provided with a plurality of fourth piston holes, one ends of the lower fixing seat and the upper fixing seat, which are opposite, are respectively provided with an adjusting disc, a first piston hole is arranged on each adjusting disc, one end of each adjusting disc, which is opposite, is provided with an elastic sheet, one end, which is away from each elastic sheet, is provided with a movable cavity, one end, which is opposite, of each adjusting disc is also provided with a plurality of limiting rods, and limiting holes, which are matched with the limiting rods, are arranged on the lower fixing seat and the upper fixing seat.
Preferably, a first marking line is arranged on one second piston hole, and a second marking line is arranged on one fourth piston hole.
Preferably, an abutting surface is arranged on one side, far away from the elastic sheet, of the movable cavity, a swinging plate is arranged on the outer side of the adjusting disc, the swinging plate is arranged towards the elastic sheet, and a certain inclination angle is formed in the direction, facing the outer side, of the swinging plate.
Preferably, clamping grooves are formed in the outer sides of the upper end and the lower end of the piston sheet, a gasket is sleeved on the outer side of the piston sheet, clamping blocks matched with the clamping grooves are arranged on the inner sides of the upper end and the lower end of the gasket, and a circle of blocking piece is arranged on the outer side of one end, close to the upper fixing seat and the lower fixing seat, of the piston sheet.
Preferably, a plurality of third piston holes are formed in the piston sheet, a protruding block is arranged on the outer side of one end of each third piston hole, a groove matched with the protruding block is formed in one end, away from the protruding block, of each third piston hole, the same protruding block is arranged on one side, facing the piston sheet, of each second piston hole of the lower fixing seat, and the same groove is formed in one end, close to the piston sheet, of each fourth piston hole of the upper fixing seat.
Preferably, a cushion block is arranged in the groove, one end, close to the convex block, of the cushion block is provided with a mounting block, and a mounting groove matched with the mounting block is arranged in the groove.
Compared with the prior art, the beneficial effects of this application are:
1. this application is provided with the gag lever post through setting up the regulating plate on the regulating plate, and the gag lever post sets up in the spacing hole on fixing base and last fixing base down to stable regulation is the size of fixing base and last fixing base department's fluid circulation and keeps unanimous down, and the shell fragment on the regulating plate becomes the one-way circulation with the circulation of piston hole, and then has reduced the fluid backward flow problem in piston hole, and the piston effect is better. The use of two regulating plates can also solve the problem of oil backflow under the condition that the regulating plates can adjust the oil circulation.
2. According to the piston rod, the protruding blocks and the grooves are formed in the two ends of the third piston hole, the grooves and the protruding blocks are formed in the upper fixing seat and the lower fixing seat in a corresponding mode, so that the piston holes are matched more tightly, oil flowing out of the piston holes is reduced, and the strength and the use effect of the piston are guaranteed.
Drawings
Fig. 1 is a schematic perspective view of a piston assembly of a shock absorber, shown in fig. 1.
FIG. 2 is a cross-sectional view of a piston assembly of a shock absorber.
Fig. 3 is a schematic perspective view of a piston assembly of a shock absorber 2.
Fig. 4 is a partially exploded schematic illustration of a piston assembly of a shock absorber, 1.
Fig. 5 is a partial enlarged view at a in fig. 4.
Fig. 6 is a partially exploded schematic illustration of a piston assembly of a shock absorber 2.
Fig. 7 is a partial enlarged view at B in fig. 6.
The reference numerals in the figures are: 1-a regulating disc; 11-a limit rod; 12-a first piston bore; 13-shrapnel; 131-moving the cavity; 14-an abutment surface; 15-swinging plate; 2-a lower fixing seat; 21-a second piston bore; 211-a first marking line; 22-limiting holes; 23-a blocking piece; 3-piston sheets; 31-clamping grooves; 32-washers; 321-clamping blocks; 33-a third piston bore; 331-bump; 332-grooves; 3321—a mounting groove; 34-cushion blocks; 341-mounting blocks; 4-an upper fixing seat; 41-fourth piston bore; 411-second annotation line; 5-a piston rod.
Detailed Description
The utility model will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the utility model and the specific objects and functions achieved.
Referring to fig. 1, fig. 2 and fig. 5, a piston assembly of a shock absorber includes a lower fixing seat 2, a lower fixing seat 2 and a plurality of piston plates 3 sleeved on a piston rod 5, wherein the plurality of piston plates 3 are arranged between the lower fixing seat 2 and the lower fixing seat 2, the lower fixing seat 2 is provided with a plurality of second piston holes 21, the lower fixing seat 2 is provided with a plurality of fourth piston holes 41, opposite ends of the lower fixing seat 2 and the upper fixing seat 4 are respectively provided with an adjusting disc 1, a first piston hole 12 is arranged on the adjusting disc 1, opposite ends of the adjusting disc 1 are provided with elastic sheets 13, opposite ends of the elastic sheets 13 away from each other are provided with a movable cavity 131, opposite ends of the adjusting disc 1 are also provided with a plurality of limiting rods 11, and limiting holes 22 matched with the limiting rods 11 are arranged on the lower fixing seat 2 and the upper fixing seat 4.
In a specific working state, after the lower fixing seat 2, the upper fixing seat 4 and the piston sheet 3 are installed, the adjusting discs 1 are installed, wherein the number of the second piston holes 21 and the fourth piston holes 41 are the same and are correspondingly arranged, the number of the first piston holes 12 is half of that of the second piston holes 21, and when the two adjusting discs 1 are installed on the lower fixing seat 2 and the upper fixing seat 4, the first piston holes 12 are respectively communicated with half of the second piston holes 21 and half of the fourth piston holes 41, the second piston holes 21 communicated with the first piston holes 12 and the fourth piston holes 41 communicated with the first piston holes 12 are not communicated, and the second piston holes 21 and the fourth piston holes 41 which are not communicated with the first piston holes 12 are completely covered by the elastic sheets 13.
When the piston moves towards one side of the lower fixing seat 2, oil flows into the piston along the first piston hole 12 and the second piston hole 21, when the piston moves to the upper fixing seat 4 through the piston sheet 3, the oil touches the spring plate 13, the spring plate 13 covered on the fourth piston hole 41 is pushed away, the oil flows out, when the oil impacts the second piston hole 21 covered by the spring plate 13, the spring plate 13 covers the second piston hole 21, so that half of the second piston hole 21 is sealed, when the piston moves towards one side of the upper fixing seat 4, the oil movement is similar to that when the piston moves towards the lower fixing seat 2, the circulation of the piston hole is changed into unidirectional circulation through the arrangement of the spring plate 13, the oil backflow problem is reduced, and the moving cavity 131 ensures that the spring plate 13 can spring up.
And be provided with gag lever post 11 on the regulating plate 1, all be provided with spacing hole 22 on lower fixing base 2 and the upper fixing base 4, through setting up gag lever post 11 in different spacing holes 22 for the regulating plate 1 is the same with the degree of coverage of second piston hole 21 and fourth piston hole 41, thereby the fluid circulation of two directions still keeps unanimous, guarantees the effective use of piston.
Through setting up regulating plate 1, be provided with gag lever post 11 on the regulating plate 1, gag lever post 11 sets up in the spacing hole 22 on fixing base 2 and last fixing base 4 down to stable regulation is the size of fixing base 2 and the fluid circulation of last fixing base 4 department and keeps unanimously, and shell fragment 13 on the regulating plate 1 becomes the circulation of piston hole unidirectional flow, and then has reduced the fluid backward flow problem in piston hole, and the piston effect is better. The use of two regulating plates 1 can also solve the problem of oil backflow under the condition that the regulating plates 1 can adjust the oil flow.
Referring to fig. 1 and 3, a first marking line 211 is provided on one of the second piston holes 21, and a second marking line 411 is provided on one of the fourth piston holes 41.
The second piston hole 21 at the first marking line 211 and the fourth piston hole 41 at the second marking line 411 are communicated with the first piston hole 12, so that when the adjusting disc 1 is adjusted, part of the first marking line 211 and the second marking line 411 can be covered by the rotation of the adjusting disc 1, the covering degree of the adjusting disc 1 on the second piston hole 21 and the fourth piston hole 41 can be more accurately determined, and the consistency of bidirectional oil circulation is ensured.
Referring to fig. 1 and 2, an abutment surface 14 is disposed on a side of the moving cavity 131 away from the spring 13, a swinging plate 15 is disposed on an outer side of the adjusting disk 1, the swinging plate 15 is disposed towards the spring 13, and the swinging plate 15 has a certain inclination angle towards the outer side.
The swing plate 15 has certain elasticity, when oil comes out from the shell fragment 13, oil strikes the swing plate 15 like this, swing plate 15 pops open, do not influence oil and continuously flow, and when oil strikes shell fragment 13 from the outside, oil first strikes swing plate 15 this moment, swing plate 15 moves towards one side of shell fragment 13, swing plate 15 covers shell fragment 13, oil strikes shell fragment 13 and is blocked by swing plate 15, the impact force of oil to shell fragment 13 has been reduced, further reduction oil gets into the problem of piston from the piston hole of shell fragment 13 department, thereby further reduced the oil reflux problem, the distance restriction of shell fragment 13 removal is prevented to butt face 14, and then the life of shell fragment 13 is improved.
Referring to fig. 2, clamping grooves 31 are formed in the outer sides of the upper end and the lower end of the piston sheet 3, a gasket 32 is sleeved on the outer side of the piston sheet 3, clamping blocks 321 matched with the clamping grooves 31 are arranged on the inner sides of the upper end and the lower end of the gasket 32, and a circle of blocking blocks 23 are arranged on the outer sides of one ends, close to the upper fixing seat 4 and the lower fixing seat 2, of the piston sheet.
The outside cover of piston establishes the packing ring 32, be favorable to reducing the harm that piston and bumper shock absorber loop bar direct contact caused, and can improve the leakproofness, through being provided with draw-in groove 31 in the outside of piston sheet 3, just so can place fixture block 321 on the packing ring 32 in draw-in groove 31, and then quick establishes packing ring 32 cover on piston sheet 3, the cover is established firmly and is convenient for change, and when the piston motion, packing ring 32 and bumper shock absorber loop bar direct contact, reduce wearing and tearing, and several packing rings 32 are restricted by block 23, prevented the drop of packing ring 32.
Referring to fig. 4 and 6, the piston plate 3 is provided with a plurality of third piston holes 33, a protruding block 331 is disposed at an outer side of one end of the third piston holes 33, a groove 332 matched with the protruding block 331 is disposed at an end of the third piston holes 33 away from the protruding block 331, the same protruding block 331 is disposed at a side of the second piston hole 21 of the lower fixing seat 2 facing the piston plate 3, and the same groove 332 is disposed at an end of the fourth piston hole 41 of the upper fixing seat 4 close to the piston plate 3.
After the lower fixing seat 2, the upper fixing seat 4 and the piston sheet 3 are assembled, the third piston hole 33 is communicated with the second piston hole 21 and the fourth piston hole 41, so that when oil passes through the inside of the piston, the oil possibly flows out from the joint of the second piston hole 21, the third piston hole 33 and the fourth piston hole 41, the oil flows in the piston to influence the strength of the piston, and the bump 331 and the groove 332 are arranged at two ends of the third piston hole 33, so that the assembly of the piston sheet 3 is more compact, the oil outflow is reduced, the lower fixing seat 2 is more compact through the bump 331, and the upper fixing seat 4 is more compact through the installation between the groove 332 and the third piston hole 33, so that the oil outflow is reduced.
Referring to fig. 7, a spacer 34 is disposed in the groove 332, a mounting block 341 is disposed at one end of the spacer 34 near the protruding block 331, and a mounting groove 3321 matching with the mounting block 341 is disposed in the groove 332.
Through setting up cushion 34 to further strengthen the leakproofness between lug 331 and the recess 332, reduce the fluid outflow, the cooperation of installation piece 341 and mounting groove 3321 ensures that the gasket is comparatively firm to be placed in the recess 332, the equipment of the piston piece 3 of being convenient for.
The foregoing examples merely illustrate one or more embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.
Claims (6)
1. The utility model provides a piston subassembly of bumper shock absorber, establishes lower fixing base (2), and several piston piece (3) on piston rod (5) including the cover, the several piston piece (3) set up between fixing base (2) and lower fixing base (2) down, a serial communication port, fixing base (2) are provided with several second piston hole (21) down, be provided with several fourth piston hole (41) down on fixing base (2), fixing base (2) down and last fixing base (4) one end that is on the back of the body all are provided with regulating disk (1), be provided with first piston hole (12) on regulating disk (1), the one end that regulating disk (1) is relative is provided with shell fragment (13), the one end that shell fragment (13) kept away from mutually is provided with movable chamber (131), and the one end that regulating disk (1) is relative still is provided with several gag lever (11), is provided with on fixing base (2) and the last fixing base (4) and gag lever (11) are equipped with spacing hole (22).
2. A piston assembly of a shock absorber according to claim 1, wherein a first marking line (211) is provided on one of said second piston bores (21) and a second marking line (411) is provided on one of said fourth piston bores (41).
3. A piston assembly of a shock absorber according to claim 1, characterized in that the side of the moving chamber (131) remote from the spring plate (13) is provided with an abutment surface (14), the outer side of the adjusting disc (1) is provided with a swinging plate (15), the swinging plate (15) is arranged towards the spring plate (13), and the swinging plate (15) has a certain inclination angle towards the outer side.
4. The piston assembly of the shock absorber according to claim 1, wherein clamping grooves (31) are formed in the outer sides of the upper end and the lower end of the piston sheet (3), a gasket (32) is sleeved on the outer side of the piston sheet (3), clamping blocks (321) matched with the clamping grooves (31) are arranged on the inner sides of the upper end and the lower end of the gasket (32), and a circle of blocking blocks (23) are arranged on the outer sides of one ends, close to the lower fixing seat (2), of the upper fixing seat (4).
5. The piston assembly of the shock absorber according to claim 1, wherein a plurality of third piston holes (33) are formed in the piston plate (3), a protruding block (331) is arranged at the outer side of one end of each third piston hole (33), a groove (332) matched with the protruding block (331) is formed in one end, away from the protruding block (331), of each third piston hole (33), the same protruding block (331) is formed in one side, facing the piston plate (3), of each second piston hole (21) of the lower fixing seat (2), and the same groove (332) is formed in one end, close to the piston plate (3), of each fourth piston hole (41) of the upper fixing seat (4).
6. The piston assembly of a shock absorber according to claim 5, wherein a spacer (34) is disposed in the recess (332), a mounting block (341) is disposed at an end of the spacer (34) adjacent to the projection (331), and a mounting groove (3321) matching with the mounting block (341) is disposed in the recess (332).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322635707.7U CN220748903U (en) | 2023-09-27 | 2023-09-27 | Piston assembly of shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322635707.7U CN220748903U (en) | 2023-09-27 | 2023-09-27 | Piston assembly of shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748903U true CN220748903U (en) | 2024-04-09 |
Family
ID=90565040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322635707.7U Active CN220748903U (en) | 2023-09-27 | 2023-09-27 | Piston assembly of shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748903U (en) |
-
2023
- 2023-09-27 CN CN202322635707.7U patent/CN220748903U/en active Active
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