CN2859080Y - Hydraulic vibration damper restoration damp valve - Google Patents
Hydraulic vibration damper restoration damp valve Download PDFInfo
- Publication number
- CN2859080Y CN2859080Y CN 200520143793 CN200520143793U CN2859080Y CN 2859080 Y CN2859080 Y CN 2859080Y CN 200520143793 CN200520143793 CN 200520143793 CN 200520143793 U CN200520143793 U CN 200520143793U CN 2859080 Y CN2859080 Y CN 2859080Y
- Authority
- CN
- China
- Prior art keywords
- piston
- face
- valve
- damping
- compensation
- Prior art date
- 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
Links
Images
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The present utility model relates to a damping-recovery valve of the hydraulic damper applied to automobile suspension. It is characterized by that an annular boss is added in the fluid groove of the piston upper end face, the top face of said boss and the upper end face of said piston form the supporting surface of the supporting compensation valve. An annular shoulder with pretightening effect is set at the outer end face of the compensation passage outlet of the piston lower end face, and the tower damping valve sheets with sandwich arrangement from big one to small one, a pretightening height adjustable pad and a limited height adjustable pad set at the upper and lower parts of said damping valve sheet are set on the piston rod. Said damping valve can prevent effectively the damping valve sheet and compensation valve sheet from deforming excessively and rupturing, and improve the damping effect to extend the service life of the valve sheet, and has the advantages of safety and reliability in operation.
Description
Technical field
The utility model belongs to the damper technique field, restores orifice valve especially for a kind of dydraulic shock absorber in the automobile chassis suspension device.
Background technique
In existing technology, normally used dydraulic shock absorber restores orifice valve, the general stepped construction that adopts the equal diameter damper valve plate on its piston rod, and prefastening load is not set on the damper valve plate, thereby in frequent opening-closing process, the brute force of high pressure liquid stream is impacted and is made damper valve plate generation stress collection and cause its fracture or excessive deformation; Secondly, be installed in the compensation valve block on the piston end surface,, under the powerful impact of fluid, also be easy to generate distortion and fracture because of supporting surface is little.Owing to the damage of valve block causes the inefficacy of vibration damper, make the safety reliability of restoring orifice valve poor, the scope that damping adapts to is also little.
The model utility content
The purpose of this utility model provides a kind ofly can be avoided valve block to produce stress concentrating, prevent valve block excessive deformation and fracture, and damping is good, long service life, safe and reliable dydraulic shock absorber are restored orifice valve.
Realize that the technological scheme that the purpose of this utility model is taked is the improvement of carrying out on the basis of former recovery orifice valve, it improves the position: have additional annular boss in the liquid bath of normal open passway, liquid road, piston upper-end surface, this boss and piston upper-end surface constitute the supporting surface that supports the compensation valve block jointly; Outside end face in the outlet of piston lower surface compensation channel is provided with the annular convex shoulder that is used for the pretension damper valve plate, and the damper valve plate of tower shape is housed and is arranged on damper valve plate the pretension Height Adjustment pad and the spacing Height Adjustment pad at position up and down at upper cover of piston rod.
The end face of described annular boss is lower than the piston upper-end surface.
The damper valve plate of described tower shape is made up of the valve block that diameter does not wait, and from the descending stacked arrangement of piston lower surface.
The dydraulic shock absorber of making according to such scheme restores orifice valve, can play damping function reliably all the time, and can effectively prevent the damage of damper valve plate and compensation valve block, prolongs the working life of valve block, and the safety reliability of orifice valve is improved greatly.Compared with prior art, this valve member has rational in infrastructure, and is easy to assembly, advantages such as Applicable scope is big, damping good, long service life.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Embodiment
Referring to Fig. 1, dydraulic shock absorber of the present utility model restores orifice valve and is made up of piston 1, spring compression pad 3, piston rod 4, holddown spring 5, compensation valve block 6, damper valve plate 10, pretension Height Adjustment pad 11, tightening nut 12, spacing Height Adjustment pad 13, spacing pad 14, wherein, set up annular boss 7 in the circular groove that piston 1 upper-end surface normal open liquid paths is 2 mouthfuls, this boss end face and piston upper-end surface constitute the supporting surface that supports compensation valve block 6 jointly; The end face of this supporting surface is lower than the upper-end surface of piston 1, and its low difference should produce excessive deformation to prevent recuperation valve sheet 6 less than the elastic deformation limit of compensation valve block 6; Outside end face in 8 outlets of piston 1 lower end surface compensation channel is provided with the annular convex shoulder 9 that is used for pretension damper valve plate 10, and is set with the tower shape damper valve plate 10 of descending stacked arrangement and is arranged on the pretension Height Adjustment pad 11 at damper valve plate position about in the of 10, spacing Height Adjustment pad 13 and spacing pad 14 on piston rod 4.By annular convex shoulder 9 and the pretension Height Adjustment pad 11 that is provided with, can adjust the pretension height of damper valve plate 10, its pretension height can be arranged in the scope of 0～5mm, piston rod 4 by tightening nut 12 fastening after, make damper valve plate 10 have certain initial pretension load.In addition, the spacing Height Adjustment pad 13 of setting can be adjusted the maximum Lift of damper valve plate 10, to improve damping by changing the size of its diameter.
Structural principle of the present utility model: in restoring orifice valve, stress is concentrated and is caused damper valve plate 10 distortion and fracture during for fear of frequent keying, damper valve plate 10 has adopted the turriform stepped construction of descending stacked arrangement, and, pretension annular convex shoulder 9 and 11 pairs of damper valve plates 10 of pretension Height Adjustment pad apply pretension load by being set, after tightening nut 12 is fastening, damper valve plate 10 produces certain expection load deformation, when high-voltage oil liquid impact force during greater than pretightening force, damper valve plate 10 is opened, and in damper valve plate 10 elastic ranges, play a role, to adapt to all kinds of vibration dampers at the different resistance to compression pression of lower-speed state; The annular boss 7 that is provided with on the piston 1 can constitute the distortion supporting surface that supports compensation valve block 10, can play a supporting role when compensation valve block 10 produces certain resiliently deformable, prevents its excessive deformation and loses efficacy.
Claims (3)
1, a kind of dydraulic shock absorber restores orifice valve, comprise piston, piston rod, clamping sleeve, holddown spring, it is characterized in that: have additional annular boss in the liquid bath of normal open passway, liquid road, piston upper-end surface, the end face of this boss and piston upper-end surface constitute the supporting surface that supports the compensation valve block jointly; Be provided with the annular convex shoulder of pretension effect at the outside end face of piston lower surface compensation channel outlet, and the pretension Height Adjustment pad and the spacing Height Adjustment pad that the damper valve plate of tower shape are housed and are arranged on position about the damper valve plate at upper cover of piston rod.
2, restore orifice valve according to the described dydraulic shock absorber of claim 1, it is characterized in that: the end face of described annular boss is lower than the piston upper-end surface.
3, restore orifice valve according to the described dydraulic shock absorber of claim 1, it is characterized in that: the damper valve plate of described tower shape is made up of the valve block that diameter does not wait, and from the descending stacked arrangement of piston lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520143793 CN2859080Y (en) | 2005-12-31 | 2005-12-31 | Hydraulic vibration damper restoration damp valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520143793 CN2859080Y (en) | 2005-12-31 | 2005-12-31 | Hydraulic vibration damper restoration damp valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2859080Y true CN2859080Y (en) | 2007-01-17 |
Family
ID=37611939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520143793 Expired - Fee Related CN2859080Y (en) | 2005-12-31 | 2005-12-31 | Hydraulic vibration damper restoration damp valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2859080Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555924B (en) * | 2008-03-20 | 2011-08-31 | 株式会社万都 | Valve apparatus of shock absorber |
| CN103089893A (en) * | 2011-11-01 | 2013-05-08 | 成都红美金属制品有限公司 | Piston and piston rod connecting structure for automotive dampers |
| CN103148149A (en) * | 2013-03-15 | 2013-06-12 | 山东理工大学 | Design method for thickness of limiting clearance gasket of automobile damper compression valve |
| CN103697102A (en) * | 2014-01-02 | 2014-04-02 | 山东理工大学 | Split design method for non-equivalent structural superposed valve plate of rebound valve of shock absorber |
| CN103967992A (en) * | 2013-01-30 | 2014-08-06 | 爱思恩梯大宇汽车部件(昆山)有限公司 | Automobile vibration damper piston valve |
| RU2537017C2 (en) * | 2012-12-18 | 2014-12-27 | Михаил Владимирович ГУЛИН | Piston of hydraulic shock absorber, and hydraulic shock absorber |
| CN104334912A (en) * | 2012-07-10 | 2015-02-04 | 萱场工业株式会社 | Damping valve of buffer |
| CN104373496A (en) * | 2014-10-11 | 2015-02-25 | 宁波凯瑞汽车零部件有限公司 | Bidirectional adjustable shock absorber |
| CN108869609A (en) * | 2018-08-25 | 2018-11-23 | 河南天减振器科技有限公司 | The vibration-damper valve system of its damping force is still adjustable after a kind of sealing of damper |
| CN110578767A (en) * | 2018-06-11 | 2019-12-17 | Zf腓特烈斯哈芬股份公司 | damping valve assembly for a motor vehicle shock absorber and motor vehicle |
-
2005
- 2005-12-31 CN CN 200520143793 patent/CN2859080Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555924B (en) * | 2008-03-20 | 2011-08-31 | 株式会社万都 | Valve apparatus of shock absorber |
| CN103089893A (en) * | 2011-11-01 | 2013-05-08 | 成都红美金属制品有限公司 | Piston and piston rod connecting structure for automotive dampers |
| US9410595B2 (en) | 2012-07-10 | 2016-08-09 | Kyb Corporation | Damping valve for shock absorber |
| CN104334912A (en) * | 2012-07-10 | 2015-02-04 | 萱场工业株式会社 | Damping valve of buffer |
| CN104334912B (en) * | 2012-07-10 | 2016-03-09 | Ｋｙｂ株式会社 | The orifice valve of buffer |
| RU2537017C2 (en) * | 2012-12-18 | 2014-12-27 | Михаил Владимирович ГУЛИН | Piston of hydraulic shock absorber, and hydraulic shock absorber |
| CN103967992A (en) * | 2013-01-30 | 2014-08-06 | 爱思恩梯大宇汽车部件(昆山)有限公司 | Automobile vibration damper piston valve |
| CN103148149A (en) * | 2013-03-15 | 2013-06-12 | 山东理工大学 | Design method for thickness of limiting clearance gasket of automobile damper compression valve |
| CN103697102A (en) * | 2014-01-02 | 2014-04-02 | 山东理工大学 | Split design method for non-equivalent structural superposed valve plate of rebound valve of shock absorber |
| CN103697102B (en) * | 2014-01-02 | 2017-08-04 | 山东理工大学 | The non-fractionation design method for waiting structure to be superimposed valve block of Rebuilt valve of shock absorber |
| CN104373496A (en) * | 2014-10-11 | 2015-02-25 | 宁波凯瑞汽车零部件有限公司 | Bidirectional adjustable shock absorber |
| CN110578767A (en) * | 2018-06-11 | 2019-12-17 | Zf腓特烈斯哈芬股份公司 | damping valve assembly for a motor vehicle shock absorber and motor vehicle |
| CN108869609A (en) * | 2018-08-25 | 2018-11-23 | 河南天减振器科技有限公司 | The vibration-damper valve system of its damping force is still adjustable after a kind of sealing of damper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2859080Y (en) | Hydraulic vibration damper restoration damp valve | |
| CN2859081Y (en) | Hydraulic vibration damper compression damp valve | |
| CN201891446U (en) | Engine valve bridge component | |
| CN110469622A (en) | A kind of automobile damper mounting structure | |
| CN201973158U (en) | High-speed damping unloading valve for automobile shock absorber piston | |
| CN202833809U (en) | Shearing type adjustable spring shock absorber | |
| CN202944963U (en) | Adjustable lift buffering device | |
| CN203239831U (en) | Automobile shock absorber | |
| CN102431442A (en) | Hanging mechanism of exhaust pipe | |
| CN204344795U (en) | New automobile dydraulic shock absorber supporting structure | |
| CN201507608U (en) | Recovering structure of adjustable shock absorber | |
| CN202480818U (en) | Variable-rigidity rubber limiting block assembly for heavy-duty car | |
| CN201714895U (en) | Restoration damping valve of self-protection hydraulic shock absorber | |
| CN2732611Y (en) | Rear shock absorber of motorcycle | |
| CN201944184U (en) | Damper valve system | |
| CN204998295U (en) | Automobile body spring damper assembly and car | |
| CN209111872U (en) | A kind of air suspension guiding arm support | |
| CN214742977U (en) | Shock absorber with high buffering performance | |
| CN217107995U (en) | Bottom valve seat for automobile shock absorber | |
| CN201405757Y (en) | Novel saddle lifting buffering device | |
| CN215059093U (en) | High damping air suspension shock absorber | |
| CN215805975U (en) | Damping device for punch press | |
| CN215944227U (en) | Automobile suspension buffer device | |
| CN210599973U (en) | High-strength vehicle leaf spring | |
| CN209795096U (en) | Hydraulic and electromagnetic double-damping type vehicle energy feedback suspension |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070117 Termination date: 20131231 |