CN204113995U - A kind of vibration damper - Google Patents
A kind of vibration damper Download PDFInfo
- Publication number
- CN204113995U CN204113995U CN201420553170.8U CN201420553170U CN204113995U CN 204113995 U CN204113995 U CN 204113995U CN 201420553170 U CN201420553170 U CN 201420553170U CN 204113995 U CN204113995 U CN 204113995U
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- CN
- China
- Prior art keywords
- compression valve
- piston
- piston rod
- compression
- vibration damper
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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 discloses a kind of vibration damper, comprise clutch release slave cylinder, fuel tank and piston rod, described clutch release slave cylinder top is provided with guider, the top of guider is provided with the oil sealing that rubber is made, the top of fuel tank is extended with flange, flange compression oil sealing tightly, the bottom of piston rod is provided with piston valve assembly, the below of piston valve assembly is provided with compression valve assembly, bottom is provided with below compression valve assembly, bottom is arranged on the bottom of fuel tank, the inwall of oil sealing is cylndrical surface, the recovery buffer stopper that rubber is made is provided with in the middle part of piston rod, restore below buffer stopper and be provided with limiting cylinder.A kind of vibration damper of the present utility model, by the cooperation of piston valve assembly and compression valve assembly, makes vibration damper good damping effect, and due to parts count few, efficiency of assembling is high; Owing to being provided with recovery buffer stopper on the piston rod, make piston rod when upper moving, when piston rod moves to high limit position, piston rod stops slowly by restoring buffer stopper, plays the effect of protection piston rod.
Description
Technical field
The utility model relates to a kind of vibration damper, is specifically related to a kind of installation simply, the vibration damper of good damping effect.
Background technique
Automotive wheel shifts near vehicle body, vibration damper by compression time, now vibration damper inner carrier moves down.The volume reducing of piston lower chambers, oil pressure raises, and fluid is pushed circulation valve block open and flow to chamber (epicoele) above piston.Epicoele have been accounted for a part of space by piston rod, and the volume that thus epicoele increases is less than the volume that cavity of resorption reduces, so a part of fluid just pushes compression valve block open, flows back to oil storage cylinder.The damping force that the saving formation suspension of these valves to oil moves by compression.Vibration damper is at wheel away from vehicle body, and vibration damper Tensile, at this moment the piston of vibration damper moves up.Piston upper chamber oil pressure raises, and flowing valve is closed, and the fluid in epicoele is pushed open and restored valve block inflow cavity of resorption.Due to the existence of piston rod, the fluid come from epicoele stream is not enough to be full of the volume that cavity of resorption increases, and instigator's cavity of resorption produces a degree of vacuum, and the fluid at this moment in oil storage cylinder is pushed open and compensated valve block and flow to cavity of resorption and supplement.Due to the throttling action of these valves, therefore play damping function to when being suspended in and doing stretching exercise.
Existing vibration damper sealing effect is bad, the spring structure that piston valve adopts, and parts count is many, and assembling effect is bad, and after spring length service time, the pretightening force of spring changes, and damping effect is bad.
Model utility content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of vibration damper, by the cooperation of piston valve assembly and compression valve assembly, makes vibration damper good damping effect, and due to parts count few, efficiency of assembling is high.
Technological scheme: for solving the problems of the technologies described above, a kind of vibration damper of the present utility model, comprise clutch release slave cylinder, fuel tank and the piston rod being positioned at clutch release slave cylinder of parcel clutch release slave cylinder, described clutch release slave cylinder top is provided with guider, the top of guider is provided with the oil sealing that rubber is made, the top of fuel tank is extended with flange, flange compression oil sealing tightly, the bottom of piston rod is provided with piston valve assembly, the below of piston valve assembly is provided with compression valve assembly, bottom is provided with below compression valve assembly, bottom is arranged on the bottom of fuel tank, the inwall of oil sealing is cylndrical surface, the recovery buffer stopper that rubber is made is provided with in the middle part of piston rod, restore below buffer stopper and be provided with limiting cylinder.
As preferably, described piston valve assembly comprises piston, be positioned at cover flowing valve limiting board on the piston rod, circulation valve block and flow regulator pieces above piston, be provided with successively below piston and restore valve block, rebuilt valve limiting board, backing plate and hexagon nut, piston, flowing valve limiting board, circulation valve block and flow regulator pieces are provided with the through hole that oil passes through.
As preferably, described compression valve assembly comprises compression valve spring seat, compression valve seat, compression valve, be positioned at the compression valve flow regulator pieces above compression valve seat and compression valve block, described compression valve seat is positioned at the bottom of clutch release slave cylinder, compression valve seat center is provided with through hole, the boss of cone table shape is extended bottom described compression valve, compression valve flow regulator pieces and compression valve block are enclosed within boss, Compress Spring is provided with above compression valve, Compress Spring is positioned at the cavity that compression valve spring seat and compression valve form, described compression valve radial direction is provided with several axial holes, compression valve seat, compression valve flow regulator pieces and compression valve block are provided with through hole.
As preferably, the outer wall of described piston is provided with groove, is filled with rubber sealing block in groove.
As preferably, described compression valve seat profile is stepped, and compression valve spring seat is coordinate with compression valve seat stepped.
As preferably, the top of described piston rod is provided with cushion block and locking nut successively.
Beneficial effect: a kind of vibration damper of the present utility model, by the cooperation of piston valve assembly and compression valve assembly, makes vibration damper good damping effect, and due to parts count few, efficiency of assembling is high; Owing to being provided with recovery buffer stopper on the piston rod, make piston rod when upper moving, when piston rod moves to high limit position, piston rod stops slowly by restoring buffer stopper, plays the effect of protection piston rod.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the close-up schematic view of A in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As depicted in figs. 1 and 2, a kind of vibration damper of the present utility model, comprise clutch release slave cylinder 3, fuel tank 6 and the piston rod 4 being positioned at clutch release slave cylinder 3 of parcel clutch release slave cylinder 3, described clutch release slave cylinder 3 top is provided with guider 7, the top of guider 7 is provided with the oil sealing that rubber is made, the top of fuel tank 6 is extended with flange, flange compression oil sealing tightly, the bottom of piston rod 4 is provided with piston valve assembly 2, the below of piston valve assembly 2 is provided with compression valve assembly 1, bottom is provided with below compression valve assembly 1, bottom is arranged on the bottom of fuel tank 6, the inwall of oil sealing is cylndrical surface, the recovery buffer stopper 5 that rubber is made is provided with in the middle part of piston rod 4, restore below buffer stopper 5 and be provided with limiting cylinder.
In the utility model, described piston valve assembly 2 comprises piston 18, be positioned at the flowing valve limiting board 16, circulation valve block 17 and the flow regulator pieces that are enclosed within piston rod 4 above piston 18, be provided with successively below piston 18 and restore valve block 15, rebuilt valve limiting board 14, backing plate 22 and hexagon nut, piston 18, flowing valve limiting board 16, circulation valve block 17 and flow regulator pieces are provided with the through hole that oil passes through, described compression valve assembly 1 comprises compression valve spring seat 19, compression valve seat 11, compression valve 21, be positioned at the compression valve flow regulator pieces 12 above compression valve seat 11 and compression valve block 13, described compression valve seat 11 is positioned at the bottom of clutch release slave cylinder 3, compression valve seat 11 center is provided with through hole, the boss of cone table shape is extended bottom described compression valve 21, compression valve flow regulator pieces 12 and compression valve block 13 are enclosed within boss, Compress Spring 20 is provided with above compression valve 21, Compress Spring 20 is positioned at the cavity that compression valve spring seat 19 forms with compression valve 21, described compression valve 21 radial direction is provided with several axial holes, compression valve seat 11, compression valve flow regulator pieces 12 and compression valve block 13 are provided with through hole.
In the utility model, the outer wall of described piston 18 is provided with groove, rubber sealing block is filled with in groove, piston 18 is when moving up and down along clutch release slave cylinder 3, due to the effect of rubber sealing block, the sealing effect of piston 18 is better, described compression valve seat 11 profiles are stepped, compression valve spring seat 19 is coordinate with compression valve seat 11 stepped, compression valve spring seat 19 forms for steel plate bending, compression valve spring seat 19 does stepped, can both fix Compress Spring 20, also compression valve seat 11 is secured, the top of described piston rod 4 is provided with cushion block 9 and locking nut 10 successively, the top of described fuel tank 6 is provided with piston rod dust-proof cover 8, prevent dust from entering in clutch release slave cylinder 3, be attached on piston rod 4, affect moving up and down of piston rod 4.
In use, vibration damper inner carrier 18 moves down the utility model.The volume reducing of piston 18 lower chambers, oil pressure raises, and fluid is pushed circulation valve block 17 open and flow to chamber (epicoele) above piston 18.Epicoele have been accounted for a part of space by piston rod 4, and the volume that thus epicoele increases is less than the volume that cavity of resorption reduces, so a part of fluid just pushes compression valve block 13 open, flows back to oil storage cylinder.The damping force that the saving formation suspension of these valves to oil moves by compression.Vibration damper is at wheel away from vehicle body, and vibration damper Tensile, at this moment the piston 18 of vibration damper moves up.Piston 18 epicoele oil pressure raises, and flowing valve is closed, and the fluid in epicoele is pushed recovery valve block 15 open and flowed into cavity of resorption.Due to the existence of piston rod 4, the fluid come from epicoele stream is not enough to be full of the volume that cavity of resorption increases, and instigator's cavity of resorption produces a degree of vacuum, and the fluid at this moment in oil storage cylinder is pushed open and compensated valve block and flow to cavity of resorption and supplement.Due to the throttling action of these valves, therefore play damping function to when being suspended in and doing stretching exercise.
Because the rigidity and being greater than of Prestress design of restoring valve block 15 compress valve block 13, under same pressure effect, rebuilt valve and accordingly normal open gap and channel cross-sectional area summation are less than compression valve and corresponding normal open gap passage sectional area summation.This damping force that extension stroke of vibration damper is produced is greater than the damping force of compression stroke, reaches the requirement of rapid damping.This valve system feature is stable performance, and assembling speed is fast, purchase cost relative moderate.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a vibration damper, comprise clutch release slave cylinder, fuel tank and the piston rod being positioned at clutch release slave cylinder of parcel clutch release slave cylinder, it is characterized in that: described clutch release slave cylinder top is provided with guider, the top of guider is provided with the oil sealing that rubber is made, the top of fuel tank is extended with flange, flange compression oil sealing tightly, the bottom of piston rod is provided with piston valve assembly, the below of piston valve assembly is provided with compression valve assembly, bottom is provided with below compression valve assembly, bottom is arranged on the bottom of fuel tank, the inwall of oil sealing is cylndrical surface, the recovery buffer stopper that rubber is made is provided with in the middle part of piston rod, restore below buffer stopper and be provided with limiting cylinder.
2. vibration damper according to claim 1, it is characterized in that: described piston valve assembly comprises piston, be positioned at cover flowing valve limiting board on the piston rod, circulation valve block and flow regulator pieces above piston, be provided with successively below piston and restore valve block, rebuilt valve limiting board, backing plate and hexagon nut, piston, flowing valve limiting board, circulation valve block and flow regulator pieces are provided with the through hole that oil passes through.
3. vibration damper according to claim 1, it is characterized in that: described compression valve assembly comprises compression valve spring seat, compression valve seat, compression valve, be positioned at the compression valve flow regulator pieces above compression valve seat and compression valve block, described compression valve seat is positioned at the bottom of clutch release slave cylinder, compression valve seat center is provided with through hole, the boss of cone table shape is extended bottom described compression valve, compression valve flow regulator pieces and compression valve block are enclosed within boss, Compress Spring is provided with above compression valve, Compress Spring is positioned at the cavity that compression valve spring seat and compression valve form, described compression valve radial direction is provided with several axial holes, compression valve seat, compression valve flow regulator pieces and compression valve block are provided with through hole.
4. vibration damper according to claim 2, is characterized in that: the outer wall of described piston is provided with groove, is filled with rubber sealing block in groove.
5. vibration damper according to claim 3, is characterized in that: described compression valve seat profile is stepped, and compression valve spring seat is coordinate with compression valve seat stepped.
6. vibration damper according to claim 5, is characterized in that: the top of described piston rod is provided with cushion block and locking nut successively.
7. vibration damper according to claim 6, is characterized in that: the top of described fuel tank is provided with piston rod dust-proof cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553170.8U CN204113995U (en) | 2014-09-25 | 2014-09-25 | A kind of vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553170.8U CN204113995U (en) | 2014-09-25 | 2014-09-25 | A kind of vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113995U true CN204113995U (en) | 2015-01-21 |
Family
ID=52331308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420553170.8U Expired - Fee Related CN204113995U (en) | 2014-09-25 | 2014-09-25 | A kind of vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265824A (en) * | 2014-09-25 | 2015-01-07 | 陈菊芳 | Shock absorber |
-
2014
- 2014-09-25 CN CN201420553170.8U patent/CN204113995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265824A (en) * | 2014-09-25 | 2015-01-07 | 陈菊芳 | Shock absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20150925 |
|
| EXPY | Termination of patent right or utility model |