CN108825700A - A kind of damper piston valve system with axially compact, bidirectional damper feature - Google Patents
A kind of damper piston valve system with axially compact, bidirectional damper feature Download PDFInfo
- Publication number
- CN108825700A CN108825700A CN201811000321.6A CN201811000321A CN108825700A CN 108825700 A CN108825700 A CN 108825700A CN 201811000321 A CN201811000321 A CN 201811000321A CN 108825700 A CN108825700 A CN 108825700A
- Authority
- CN
- China
- Prior art keywords
- valve
- damper
- feature
- gasket
- piston
- 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.)
- Pending
Links
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 29
- 238000005452 bending Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 14
- 239000010720 hydraulic oil Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 abstract description 2
- 230000013011 mating Effects 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
Abstract
The invention discloses one kind to have axially compact, the damper piston valve system of bidirectional damper feature, the piston valve construction of a sleeving valve system is shared using flowing valve and rebuilt valve, main includes the first step being arranged on piston valve body, second step and matched the first gasket and valve block, effect of the hydraulic oil to valve block in working cylinder when driving the movement of piston valve body by piston rod, make valve block in first step, the deformation of taper Nonlinear Bending is generated under the mating reaction of second step and the first gasket, form the gap of limitation running of hydraulic power oil, to generate more accurately and effectively bidirectional damper power, to guarantee the stationarity and controllability in vehicle traveling process.Present invention employs the piston valve constructions that flowing valve and rebuilt valve share a sleeving valve system, simplify valve architecture, and number of parts is reduced, easy to assembly, to save production cost, improve production efficiency.
Description
Technical field
The present invention relates to vehicle shock absorber field, subtract more particularly to a kind of with axially compact, bidirectional damper feature
Vibration device piston valve system.
Background technique
Currently, in vehicle shock absorber technical field, double-cylinder hydraulic damper technology be it is most mature, it is most common.Its work
It is as principle：Damper fluid is throttled by normal open hole or the valve throttle of certain aperture, generate reducing pressure by regulating flow, and then formed with
The contrary damping force of speed of related movement reaches effectiveness in vibration suppression, improves vehicle driving ride comfort and comfort.But with
The raising of people's living standard and scientific and technological level, to vehicle running smoothness and comfort, more stringent requirements are proposed.Tradition
Double-cylinder hydraulic damper piston valve construction uses two separate valves systems of flowing valve and rebuilt valve, and structure is as shown in figure 5, two only
Vertical valve system generates damping respectively.This piston valve is more complicated in structure, and assembly is time-consuming and is easy error.
In addition, the damping of traditional rebuilt valve is bent by the planar linear of valve system, belong to linear valve system.Fig. 6
The schematic diagram that 10 stress bending deformation of valve block is restored in stroke is restored when working for conventional hydraulic damper.Restoring stroke
In, due to restoring the barrier effect of 10 inferior shim 11 of valve block, so that bending deformation of the stress in the region A to valve block 10 is restored
Cut little ice, and in B area hydraulic oil and restore valve block 10 contact area it is smaller, it is therefore desirable to biggish power makes B
It restores valve block 10 and generates bending deformation in region.And this bending deformation is the linear change showed by the stress of valve block B area
Change, because the variation of its stress is uneven and span is bigger, so traditional valve structure just will appear resistance in restoring stroke
There is the unstable situation of damping force so that the damping force variation of damper is uneven in the unexpected increasing or decreasing process of Buddhist nun's power,
It is unable to the stationarity and controllability of the guarantee running car of precise and high efficiency.
Summary of the invention
Few, structure that the object of the present invention is to provide a kind of number of parts simply has axially compact, bidirectional damper feature
Damper piston valve system make the stationarity of running car and controllability can to solve the above-mentioned problems of the prior art
To be effectively ensured.
To achieve the above object, the present invention provides following schemes：
The present invention provides a kind of damper piston valve system with axially compact, bidirectional damper feature, including ontology, piston
Bar, valve block and the first gasket, wherein the body fits are fixedly connected on the piston rod, and with the piston rod, it is described
First gasket pad is additionally provided with circulation passage, first step and between the ontology and the piston rod on the ontology
Two steps, the valve block are set between the bottom surface of first gasket and the step surface of the second step.
The present invention provides a kind of damper piston valve system with axially compact, bidirectional damper feature, including ontology, piston
Bar, valve block and the first gasket, wherein the body fits are fixedly connected on the piston rod, and with the piston rod, it is described
Circulation passage, first step and second step are additionally provided on ontology, wherein the outside diameter of the first step is greater than the work
The outer diameter of stopper rod, first gasket are fixed on above the second step, and the valve block is set to first gasket
Bottom surface and the first step step surface between.
Preferably, it is detachably connected between the ontology and the piston rod.
Preferably, groove is equipped between the first step and the second step, the circulation passage is arranged described
On groove.
Preferably, the difference in height between the first step and the second step is 0.5mm.
Preferably, it is additionally provided with the second gasket for adjusting the throttle slice thickness.
Preferably, second gasket is set to the valve block and between the step surface of valve block cooperation.
Preferably, the circulation passage is recirculation hole.
Preferably, the recirculation hole is multiple.
The present invention achieves following advantageous effects compared with the existing technology：
1, the damper piston valve system provided by the invention with axially compact, bidirectional damper feature, uses flowing valve
The piston valve construction that a sleeving valve system is shared with rebuilt valve, instead of the flowing valve in traditional double-cylinder hydraulic damper piston valve construction
With two separate valves systems of rebuilt valve, the structure of piston valve system is simplified, keeps valve architecture more compact.
2, the damper piston valve system provided by the invention with axially compact, bidirectional damper feature, uses flowing valve
The piston valve construction that a sleeving valve system is shared with rebuilt valve compares traditional piston valve construction, and the valve block of resetting valve system is by linear curved
Song becomes the deformation of taper Nonlinear Bending, keeps its recovery damping force more efficient and accurate, to guarantee vehicle traveling process
In stationarity and controllability.
3, the damper piston valve system provided by the invention with axially compact, bidirectional damper feature, uses flowing valve
The piston valve construction of a sleeving valve system is shared with rebuilt valve, structure is simple, and number of parts is few, and it is easy to assembly, production cost has been saved,
Improve production efficiency.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the schematic diagram of piston valve architecture when damper is closed in the first embodiment of the invention；
Fig. 2 is the schematic diagram of damper piston valve architecture in compression travel in the first embodiment of the invention；
Fig. 3 is the schematic diagram of damper piston valve architecture in restoring stroke in the first embodiment of the invention；
Fig. 4 is damper piston valve architecture stress bending deformation in restoring stroke in the first embodiment of the invention
Schematic diagram；
Fig. 5 is the schematic diagram of piston valve construction when conventional damper is closed；
Fig. 6 is the schematic diagram of conventional damper piston valve construction stress bending deformation in restoring stroke；
Fig. 7 is the schematic diagram of piston valve architecture when damper is closed in second of embodiment of the invention；
Fig. 8 is the schematic diagram of damper piston valve architecture in compression travel in second of embodiment of the invention；
Fig. 9 is the schematic diagram of damper piston valve architecture in restoring stroke in second of embodiment of the invention.
In figure：1：First gasket, 2：First step, 3：Second step, 4：Valve block, 5：Recirculation hole, 6：Nut, 7：Ontology,
8：Piston rod, 9：Second gasket, 10：Restore valve block, 11：Gasket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of the damper piston valve system with axially compact, bidirectional damper feature, use
Flowing valve and rebuilt valve share the piston valve construction of a sleeving valve system, simplify piston valve architecture, and number of parts is reduced, assembly side
Just, to save production cost, production efficiency is improved.There is the piston valve system of bidirectional damper feature can make to restore for this simultaneously
Damping force is more efficient and accurate, guarantees stationarity and controllability in running car.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment 1：
The present embodiment provides a kind of damper piston valve system with axially compact, bidirectional damper feature, such as Fig. 1-3 institute
Show, including ontology 7, piston rod 8, valve block 4 and the first gasket 1, wherein 7 center opening of ontology, is sleeved on the lower end of piston rod 8,
And it is fixedly connected with piston rod 8, outer diameter and work inside wall of cylinder cooperation.Recirculation hole 5, first step 2 and second are additionally provided on ontology 7
Step 3, circumference of the first step 2 along 7 medial center hole of ontology are arranged, are additionally provided between first step 2 and second step 3 recessed
Slot, second step 3 are provided close to the position in 7 outside of ontology, and recirculation hole 5 is set on the groove.Specifically, first step 2
Higher than second step 3, the difference in height of the two is 0.5mm.First gasket 1 is set on first step 2, the platform with first step 2
Terrace fitting, valve block 4 are set between the bottom surface of the first gasket 1 and the step surface of second step 3, the first pad of top surface fitting
Piece 1, bottom surface are bonded second step 3.The working cylinder of hydraulic buffer is divided into upper chamber and two parts of lower chambers by ontology 7,
When hydraulic buffer works, piston valve is tied up in working cylinder and is moved back and forth, and hydraulic oil just repeatedly passes through piston from a chamber
Valve system flows to another chamber.
Its working principle is that：
When impact of the automobile by raised road surface, piston rod 8 moves relatively downward in the working cylinder of damper, enters
Compression travel, as shown in Figure 2.At this point, the lower chambers space of working cylinder is compressed, the hydraulic fluid pressure in lower chambers is increased.By
The hydraulic oil effect of upwarding pressure in lower chambers, the inside of valve block 4 and the first gasket 1 fit closely and in closed states, and
Its outside then generates plain bending deformation, forms gap.It is limited by outside gap size, the hydraulic oil in cavity of resorption cannot be rapid
Upper chamber is flowed to, thus generates compression damping power.When automobile, which crosses raised ground, to fall, work of the piston rod 8 in damper
Make relative upward movement in cylinder, into stroke is restored, as shown in Figure 3.At this point, the upper chamber space of working cylinder is compressed, epicoele
Hydraulic fluid pressure in room increases.By the pressure effect that hydraulic oil in upper chamber is downward, the outside of valve block 4 and second step 3 are tight
It is closely connected merge be in closed state, and its inside generates the nonlinear deformation of taper-deformation, is formed and stitched then toward recessed and opens
Gap.It is limited by the size for opening gap, the hydraulic oil in upper chamber cannot flow to rapidly lower chambers, thus generate and restore damping
Power.
The flowing valve and rebuilt valve that the present invention uses share the piston valve construction of a sleeving valve system, by entire in restoring stroke
The stress of valve block 4 generates the bending deformation of taper, is illustrated in figure 4 damper piston valve architecture stress in restoring stroke
The schematic diagram of bending deformation.The bending deformation of valve block 4 is by the stress of the various pieces of entire valve block 4 Lai coefficient, this
Allowing for stress variation small on any position on valve block 4 can all reflect in the bending deformation of taper, so that damping
Power is also presented sensibility so, performance it is more efficient and accurate, vapour can be effectively buffered during running car
Vehicle travels the impact load that Road faces automobile, keeps running car more smooth comfortable.
Further, the first gasket 1, the second gasket 9 and valve block 4 of piston valve system are all replaceable, thus ontology 7 with
Dismountable mechanical connection manner is used between piston rod 8.Specifically, dismountable mechanical connection manner can connect for bolt
It connects, or pin connection.As shown in Figure 1 for using bolt connecting mode valve architecture schematic diagram, wherein nut 6 be can
The fastener of disassembly.
Further, to make valve block 4 that can guarantee good toughness and elasticity under the action of the pressure of hydraulic oil, and with
Difference in height between first step 2 and second step 3 matches, and the thickness of valve block 4 is set as 0.5mm.
Further, for make hydraulic buffer restore and compression travel in generate bidirectional damper power moderate and mutual
Match, the size adjustable of the first gasket 1 and the second gasket 9, makes the outside diameter of the first gasket 1 and the interior circular diameter of the second gasket 9
Meets the needs of damping force.In addition, the thickness of the second gasket 9 can also be when 4 thickness of valve block be less than 0.5mm according to required thickness
Size is adjusted, and is disposed between second step 3 and valve block 4, and thickness can reach 0.5mm after compensating valve block 4.
It further, is the bidirectional damper power for adjusting hydraulic buffer piston valve system, circulation passage is set as recirculation hole, circulates
The quantity in hole is set as multiple, and number can be 4,5,6 or other numbers.
Embodiment 2：
The present embodiment provides a kind of damper piston valve system with axially compact, bidirectional damper feature, such as Fig. 7-9 institute
Show, including ontology 7, piston rod 8, valve block 4 and the first gasket 1, wherein 7 center opening of ontology, is sleeved on the lower end of piston rod 8,
And it is fixedly connected with piston rod 8.Recirculation hole 5, first step 2 and second step 3 are additionally provided on ontology 7, first step 2 is along ontology
The circumference in 7 medial center holes is arranged, and groove is additionally provided between first step 2 and second step 3, and second step 3 is provided close to this
The position in 7 outside of body, recirculation hole 5 are set on the groove.Specifically, second step 3 is higher than first step 2, the height of the two
Difference be 0.5mm, wherein the outside diameter of first step 2 be greater than piston rod 8 outer diameter, when assembling valve block 4 from support
Effect.First gasket 1 is set on second step 3, is posted and fixed with the step surface of first step 2, and valve block 4 is set to first
Between the bottom surface of gasket 1 and the step surface of first step 2, top surface is bonded first step 2, and bottom surface is bonded the first gasket 1.First
Groove is additionally provided between step 2 and second step 3, recirculation hole 5 is set on the groove.Ontology 7 is by the work of hydraulic buffer
Cylinder is divided into upper chamber and two parts of lower chambers, and when hydraulic buffer works, piston valve is tied up in working cylinder and moved back and forth, liquid
Pressure oil just repeatedly flows to another chamber from a chamber by piston valve system.
Its working principle is that：
When impact of the automobile by raised road surface, piston rod 8 moves relatively downward in the working cylinder of damper, enters
Compression travel, as shown in Figure 8.At this point, the lower chambers space of working cylinder is compressed, the hydraulic fluid pressure in lower chambers is increased.By
The hydraulic oil effect of upwarding pressure in lower chambers, the outside of valve block 4 and the first gasket 1 fit closely and in closed states, and
Its inside generates the nonlinear deformation of taper-deformation, formation gap then toward convex and opens.It is limited by the size for opening gap,
Hydraulic oil in lower chambers cannot flow to rapidly upper chamber, thus generate compression damping power.When automobile crosses raised subsurface
When falling, the relative upward movement in the working cylinder of damper of piston rod 8, into stroke is restored, as shown in Figure 9.At this point, working cylinder
Upper chamber space compressed, hydraulic fluid pressure in upper chamber increases.By the pressure effect that hydraulic oil in upper chamber is downward, valve
The inside of piece 4 and first step 2 fit closely and in closed states, and its outside then generates plain bending deformation, form seam
Gap.It is limited by outside gap size, the hydraulic oil in upper chamber cannot flow to rapidly lower chambers, thus generate and restore damping
Power.This piston valve construction can make the hydraulic buffer in work generate bidirectional damper power, road surface in effective buffering automobile traveling
To the impact load of vehicle, keep running car more smooth comfortable.
Further, for make hydraulic buffer restore and compression travel in generate bidirectional damper power moderate and mutual
Match, the size adjustable of the first gasket 1 and the second gasket 9, makes the interior circular diameter of the first gasket 1 and the outside diameter of the second gasket 9
Meets the needs of damping force.In addition, the thickness of the second gasket 9 can also be when 4 thickness of valve block be less than 0.5mm according to required thickness ruler
It is very little to be adjusted, it is disposed between first step 2 and valve block 4, thickness can reach 0.5mm after compensating valve block 4.This
Outside, remaining structure is same as Example 1.
The damper piston valve system with axially compact, bidirectional damper feature that such embodiment provides, it is same to use
Flowing valve and rebuilt valve share the piston valve construction of a sleeving valve system, and piston valve architecture can be made to simplify, and number of parts is reduced, dress
With conveniently, to save production cost, production efficiency is improved.Although the program be not can guarantee it is steady in running car
Property and controllability optimal case, but also within the scope of the present invention.
Invention applies a specific example illustrates the principle and implementation of the invention, above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.To sum up, the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (9)
1. a kind of damper piston valve system with axially compact, bidirectional damper feature, it is characterised in that：Including ontology (7), live
Stopper rod (8), valve block (4) and the first gasket (1), wherein the ontology (7) is sleeved on the piston rod (8), and with the work
Stopper rod (8) is fixedly connected, and the first gasket (1) pad is between the ontology (7) and the piston rod (8), the ontology
(7) circulation passage (5), first step (2) and second step (3) are additionally provided on, the valve block (4) is set to first gasket
(1) between the step surface of bottom surface and the second step (3).
2. a kind of damper piston valve system with axially compact, bidirectional damper feature, it is characterised in that：Including ontology (7), live
Stopper rod (8), valve block (4) and the first gasket (1), wherein the ontology (7) is sleeved on the piston rod (8), and with the work
Stopper rod (8) is fixedly connected, and circulation passage (5), first step (2) and second step (3) are additionally provided on the ontology (7), wherein
The outside diameter of the first step (2) is greater than the outer diameter of the piston rod (8), and first gasket (1) is fixed on institute
It states above second step (3), the valve block (4) is set to the bottom surface of first gasket (1) and the platform of the first step (2)
Between terrace.
3. the damper piston valve system according to claim 1 or 2 with axially compact, bidirectional damper feature, feature
It is：It is detachably connected between the ontology (7) and the piston rod (8).
4. the damper piston valve system according to claim 1 or 2 with axially compact, bidirectional damper feature, feature
It is：Groove is equipped between the first step (2) and the second step (3), the circulation passage (5) is arranged described recessed
On slot.
5. the damper piston valve system according to claim 1 or 2 with axially compact, bidirectional damper feature, feature
It is：Difference in height between the first step (2) and the second step (3) is 0.5mm.
6. the damper piston valve system according to claim 1 or 2 with axially compact, bidirectional damper feature, feature
It is：It is additionally provided with the second gasket (9) for adjusting the valve block (4) thickness.
7. the damper piston valve system according to claim 6 with axially compact, bidirectional damper feature, feature exist
In：Second gasket (9) is set to the valve block (4) and between the step surface of the valve block (4) cooperation.
8. the damper piston valve system according to claim 1 or 2 with axially compact, bidirectional damper feature, feature
It is：The circulation passage (5) is recirculation hole.
9. the damper piston valve system according to claim 8 with axially compact, bidirectional damper feature, feature exist
In：The recirculation hole is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000321.6A CN108825700A (en) | 2018-08-25 | 2018-08-25 | A kind of damper piston valve system with axially compact, bidirectional damper feature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000321.6A CN108825700A (en) | 2018-08-25 | 2018-08-25 | A kind of damper piston valve system with axially compact, bidirectional damper feature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108825700A true CN108825700A (en) | 2018-11-16 |
Family
ID=64150727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811000321.6A Pending CN108825700A (en) | 2018-08-25 | 2018-08-25 | A kind of damper piston valve system with axially compact, bidirectional damper feature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825700A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1000398A (en) * | 1963-05-27 | 1965-08-04 | Girling Ltd | Improvements in valves |
| US3312312A (en) * | 1964-01-09 | 1967-04-04 | Bourcier Christian Marie Louis | Shock absorbers |
| US3605801A (en) * | 1968-03-01 | 1971-09-20 | Bourcier Carbon Christian | Shock absorber piston with floating valve |
| US3845782A (en) * | 1970-12-14 | 1974-11-05 | Girling Ltd | Flow control valve for hydraulic damper and the like |
| CN209100543U (en) * | 2018-08-25 | 2019-07-12 | 河南天一减振器科技有限公司 | A kind of damper piston valve system with axially compact, bidirectional damper feature |
-
2018
- 2018-08-25 CN CN201811000321.6A patent/CN108825700A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1000398A (en) * | 1963-05-27 | 1965-08-04 | Girling Ltd | Improvements in valves |
| US3312312A (en) * | 1964-01-09 | 1967-04-04 | Bourcier Christian Marie Louis | Shock absorbers |
| US3605801A (en) * | 1968-03-01 | 1971-09-20 | Bourcier Carbon Christian | Shock absorber piston with floating valve |
| US3845782A (en) * | 1970-12-14 | 1974-11-05 | Girling Ltd | Flow control valve for hydraulic damper and the like |
| CN209100543U (en) * | 2018-08-25 | 2019-07-12 | 河南天一减振器科技有限公司 | A kind of damper piston valve system with axially compact, bidirectional damper feature |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101555923B (en) | Shock absorber piston assembly and self-adjusting damping shock absorber comprising same | |
| US20070144845A1 (en) | Wheel suspension for vehicle | |
| CN205349893U (en) | Hydro -pneumatic suspension system with synchronous lift and accent appearance function | |
| CN104603495B (en) | Multi-tuneable degressive valve | |
| CN106523574B (en) | A kind of multi-state damping adaptive hydro-pneumatic spring and its control method | |
| WO2018121161A1 (en) | Matrix type shock absorber with parallel capillary tubes and variable system natural frequency | |
| US20070144848A1 (en) | Hydraulic damper for vehicle | |
| CN209100543U (en) | A kind of damper piston valve system with axially compact, bidirectional damper feature | |
| CN201273355Y (en) | Self-protecting variable-damping hydraulic buffer | |
| CN105485233A (en) | Oil-gas damper | |
| CN108825700A (en) | A kind of damper piston valve system with axially compact, bidirectional damper feature | |
| CN102678810B (en) | High/low speed bidirectional damping adjustable mechanical damper | |
| CN108488297A (en) | A kind of hydro-pneumatic spring | |
| JP2002295566A (en) | Damping force adjustable hydraulic shock absorber | |
| CN213808640U (en) | Self-adaptive front shock absorber for electric tricycle | |
| CN109139771A (en) | A kind of stepless adjustable shock absorber of damping | |
| CN104847827B (en) | Semi-active vehicle suspension intelligence friction cylinder vibroshock | |
| JP2601904Y2 (en) | Hydraulic shock absorber valve structure | |
| CN202100643U (en) | Double-barrel shock absorber with high additional compression resistance | |
| CN203717771U (en) | Bidirectional travel sensitive adjustable shock absorber | |
| CN106640816B (en) | Hang valve module, suspension system and engineering truck | |
| JP4318071B2 (en) | Hydraulic shock absorber | |
| CN205446519U (en) | Oil gas attenuator | |
| CN208900612U (en) | A kind of stepless adjustable shock absorber of damping | |
| CN209654500U (en) | Pantograph damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |