CN108644295A - A kind of container truck damper - Google Patents
A kind of container truck damper Download PDFInfo
- Publication number
- CN108644295A CN108644295A CN201810311875.1A CN201810311875A CN108644295A CN 108644295 A CN108644295 A CN 108644295A CN 201810311875 A CN201810311875 A CN 201810311875A CN 108644295 A CN108644295 A CN 108644295A
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- piston rod
- working cylinder
- shell
- wall
- steel bushing
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Classifications
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- 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
- F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body
- F16F9/3484—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body characterised by features of the annular discs per se, singularly or in combination
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
Abstract
This application provides a kind of container truck dampers, including oil storage cylinder, working cylinder, bottom valve, piston rod, piston and buffer unit, the working cylinder is co-axially located in the oil storage cylinder, shoe cream room is formed between the outer wall of the working cylinder and the inner wall of the oil storage cylinder, the bottom valve is arranged in the lower part of the working cylinder, and it keeps out on the cylinder bottom of the lower part of the oil storage cylinder, the piston rod is arranged in the working cylinder, and it is extended upward from the upper end of the working cylinder, the piston is connected to the lower end of the piston rod, and it is movably arranged in the working cylinder, the buffer unit is arranged on the piston rod, and positioned at the top of the piston, the buffer unit includes axle sleeve, steel bushing and elastic shell.Due to the above structure, so that the container truck damper can reach effectiveness in vibration suppression and adjust the rolling capability of vehicle, hauling ability in the larger context and turn to feedback performance.
Description
Technical field
The present invention relates to a kind of dampers, more particularly to a kind of container truck damper.
Background technology
In order to make the vibration of vehicle frame and vehicle body decay rapidly, improve the ride comfort and comfort of container truck traveling, collection
It is typically equipped with damper in vanning truck suspension system, widely used on container truck is two-way function cartridge type vibration damping
Device, damper are the rapid wear accessories during container truck use, and damper work quality will directly affect container truck
The service life of the stationarity of traveling and other parts, therefore damper should be made often in good working order.
In recent years, with the fast development of China's container truck industry, the comfort level of container truck and safety
It is paid close attention to by people, critical component one of of the damper as container truck, effect is exactly to mitigate packaging
Case truck receives shock and vibration in the process of moving, because road is uneven, ensures ride comfort and the safety of driving, therefore
Its performance directly influences the quality and performance of vehicle, when container truck traveling is on flat road surface, it is desirable that vibration damping
Device damping force is smaller as possible, when container truck traveling is on the road surface more jolted, then requires damper to have larger
Damping force.
Although this container truck damper structure with buffer structure is relatively easy, there is certain damping effect,
But the ability of its adjusting vehicle roll is limited, and it is also limited to adjust hauling ability.
Invention content
It can reach effectiveness in vibration suppression the object of the present invention is to provide one kind and adjust vehicle in the larger context
Rolling capability, hauling ability and the container truck damper for turning to feedback performance.
In order to solve the above technical problems, the present invention provides the following technical solutions：
A kind of container truck damper, wherein including：
Oil storage cylinder；
Working cylinder, the working cylinder are co-axially located in the oil storage cylinder, the outer wall of the working cylinder and the oil storage cylinder
Inner wall between form shoe cream room；
Bottom valve, the bottom valve are arranged in the lower part of the working cylinder and keep out on the cylinder bottom of the lower part of the oil storage cylinder；
Piston rod, the piston rod setting extend upward in the working cylinder, and from the upper end of the working cylinder；
Piston, the piston are connected to the lower end of the piston rod, and are movably arranged in the working cylinder；
Buffer unit, the buffer unit are arranged on the piston rod, and positioned at the top of the piston, and with institute
It states and forms liquid flow channel for oil between the inner wall of working cylinder, the buffer unit includes axle sleeve, steel bushing and elastic shell, and the axle sleeve is solid
Fixed to be arranged on the piston rod, the steel bushing is fixed at the lower section on the piston rod and positioned at the axle sleeve, described
Lower face of the upper surface of steel bushing away from the axle sleeve has certain distance B, and the elastic shell is set on the steel bushing, in institute
When stating piston rod movement, the axle sleeve, the steel bushing and the elastic shell hinder fluid to flow jointly, realize vibrational energy
It absorbs, reaches cushioning effect, while rolling capability, hauling ability and steering feedback performance for adjusting vehicle.
Further, there are the steel bushing several valve bodies, the valve body to be evenly distributed on the periphery in the middle part of the steel bushing
On, the valve body along the steel bushing axially upwards, extend radially outwardly, the valve body is contained in the shell of the elastic shell
It is in lumen and close to the inner wall of the shell lumen.
Further, the upper end of the elastic shell can be kept out on the lower face of the shoulder block of the axle sleeve.
Further, the lower face of the shoulder block, the inner wall of shell epicoele of the elastic shell, the piston rod
First flow is formed between local periphery and the upper surface of the steel bushing.
Further, second flow channel is formed between the periphery of the steel bushing and the middle part inner wall of the elastic shell, institute
The upper end for stating second flow channel is connected to the first flow, another office of the lower inner wall of the elastic shell and the piston rod
Opening is formed between portion periphery, the opening is connected to the lower end of the second flow channel.
Further, the inner wall of the shell epicoele is equipped with several first inclined holes, and first inclined hole will be described
First flow is connected to the liquid flow channel for oil.
Further, the inner wall of the shell lumen is equipped with several straight holes, and the straight hole is by the second flow channel
Middle part be connected to the liquid flow channel for oil.
Further, the inner wall of the shell cavity of resorption of the elastic shell be equipped with several second inclined holes, described second
The opening is connected to by inclined hole with the liquid flow channel for oil.
Further, the buffer unit further includes annular element, and the annular element is fixed on the upper end of the steel bushing, institute
The upper surface for stating annular element is uniformly provided with several big boss, and small boss, the big boss and institute are equipped on the big boss
Small boss is stated to extend into the first flow.
Further, integrally formed with shrapnel on the small boss, and the top of the shrapnel extends to described first
In runner, the connecting pole of the lower part of the shrapnel is located in the small boss, and the top of the shrapnel is provided with a pair of of lug, institute
Lug is stated to be located in the first flow.
It can be seen from above-mentioned technical proposal the invention has the advantages that：
1, compared with prior art, the present invention can reach effectiveness in vibration suppression and adjust vehicle in the larger context
Rolling capability, hauling ability and turn to feedback performance, and of low cost, application is simple and convenient, and exploitativeness is strong.
2, compared with prior art, the present invention is equipped with buffer unit, good buffer effect, with piston, bottom valve and recuperation valve
Structure is applied in combination, and further improves buffering effect, extends the service life of the container truck damper.
3, compared with prior art, the first inclined hole, the second inclined hole, straight hole, first are provided in buffer unit of the invention
Runner and second flow channel, during container truck travels, the fluid in damper can be downward by different runners
It flows or to upstream, increases the damping force of damper, improve ride comfort and the safety of driving.
4, compared with prior art, it is provided with elastic shell and shrapnel in buffer unit of the invention, strengthens the packaging
The damping vibration attenuation characteristic of case truck damper.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the sectional view of the present invention.
Fig. 2 is the sectional view of the buffer unit of the present invention.
Fig. 3 be the present invention buffer unit in elastic shell sectional view.
Fig. 4 be the present invention buffer unit in annular element sectional view.
Fig. 5 be the present invention buffer unit in steel bushing sectional view.
Fig. 6 be the present invention buffer unit in small boss and shrapnel right side view.
Reference sign：Oil storage cylinder -10, working cylinder -20, shoe cream room -30, buffer unit -40, axle sleeve -41, shoulder block -
411, elastic shell -42, shell epicoele -421, the first inclined hole -4211, shell lumen -422, straight hole -4221, shell cavity of resorption -
423, the second inclined hole -4231, annular element -43, big boss -431, small boss -432, taper hole -433, steel bushing -44, valve body -441,
First flow -45, second flow channel -46, opening -47, shrapnel -48, lug -481, connecting pole -482, piston -50, bottom valve -60,
Recuperation valve -70, piston rod -80, liquid flow channel for oil -90.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
The application is described further below with reference to Fig. 1 to Fig. 6, a kind of container truck damper as shown in Figure 1,
Including oil storage cylinder 10, working cylinder 20, bottom valve 60, recuperation valve 70, piston rod 80, piston 50 and buffer unit 40.The working cylinder
20 are co-axially located in the oil storage cylinder 10, and oil storage is formed between the outer wall of the working cylinder 20 and the inner wall of the oil storage cylinder 10
Chamber 30；The bottom valve 60 is arranged in the lower part of the working cylinder 20 and keeps out on the cylinder bottom of the lower part of the oil storage cylinder 10；Institute
It states recuperation valve 70 and is located at the working cylinder 20 and the top positioned at the bottom valve 60；The piston rod 80 is arranged in the work
In cylinder 20, and extended upward from the upper end of the working cylinder 20；The piston 50 is connected to the lower end of the piston rod 80, and
It is movably arranged in the working cylinder 20.
The buffer unit 40 be arranged on the piston rod 80, and positioned at the piston 50 top, and with it is described
Liquid flow channel for oil 90 is formed between the inner wall of working cylinder 20, the buffer unit 40 includes axle sleeve 41, steel bushing 44 and elastic shell 42,
The axle sleeve 41 is fixed on the piston rod 80, and the steel bushing 44 is fixed on the piston rod 80 and is located at
The upper surface of the lower section of the axle sleeve 41, the steel bushing 44 has certain distance B, the elasticity away from the lower face of the axle sleeve 41
Shell 42 is set on the steel bushing 44, and specifically, elastic shell 42 is welded according to actual conditions by upper and lower two parts,
Specifically, it is set on the steel bushing 44 for the ease of being formed, elastic shell 42 is divided into two parts, specific to divide, foundation
The existing knowledge of those skilled in the art is designed, and then, during installation, upper and lower two halves is set in the steel bushing
It on 44, is then welded using argon arc welding, thereby realizes elastic shell 42 and be assembled on steel bushing 44.
When the piston rod 80 moves, the axle sleeve 41, the steel bushing 44 and the elastic shell 42 hinder oil jointly
Liquid stream is dynamic, realizes the absorption of vibrational energy, reaches cushioning effect, at the same for adjust rolling capability, the hauling ability of vehicle with
And turn to feedback performance.Since each part in the buffer unit 40 is mostly to be slidingly connected or fix to be arranged, so that slow
Flushing device assembling is more convenient, saves the set-up time.
As shown in Figure 3 and Figure 5, there are the steel bushing 44 several valve bodies 441, the valve body 441 to be evenly distributed on described
On the periphery at the middle part of steel bushing 44, the valve body 441 along the steel bushing 44 axially upwards, extend radially outwardly, the valve body 441
The shell lumen 422 for being contained in the elastic shell 42 is interior and close to the inner wall of the shell lumen 422, specifically, described
The inner wall of the outer lateral shell lumen 422 of valve body 441 is close, and the valve body 441 upwardly extends, and to the upper end of second flow channel 46
Extend, and the conical surface to 44 top of steel bushing is close, such structure so that resistance when fluid flows increases, and improves this and subtracts
Device shake to the repellence of impact force.
As shown in Figures 2 and 3, the upper end of the elastic shell 42 can be kept out in the lower end of the shoulder block 411 of the axle sleeve 41
On face；The lower face of the shoulder block 411, the inner wall of shell epicoele 421 of the elastic shell 42, the piston rod 80 part
First flow 45 is formed between periphery and the upper surface of the steel bushing 44；The periphery of the steel bushing 44 and the elastic shell 42
Middle part inner wall between form second flow channel 46, the upper end of the second flow channel 46 is connected to the first flow 45, the bullet
Property shell 42 lower inner wall and another local periphery of the piston rod 80 between form opening 47, the opening 47 with it is described
The lower end of second flow channel 46 is connected to, the fluid meeting and piston that the opening 47 is flowed out towards the top of piston 50, the opening 47
The fluid of 50 damping hole outflow mutually collides, and further increases the damping of the damper.
As shown in figures 1 and 3, the inner wall of the shell epicoele 421 be equipped with several first inclined holes 4211, described first
The first flow 45 is connected to by inclined hole 4211 with the liquid flow channel for oil 90；The inner wall of the shell lumen 422 is equipped with several
The middle part of the second flow channel 46 is connected to by a straight hole 4221, the straight hole 4221 with the liquid flow channel for oil 90；The elastic container
The inner wall of the shell cavity of resorption 423 of body 42 be equipped with several second inclined holes 4231, second inclined hole 4231 by it is described opening 47
It is connected to the liquid flow channel for oil 90.
In the present embodiment, the axis of the axis of first inclined hole 4211 and the elastic shell 42 (piston rod 80
Axis) between angle be α, it is preferred that the angle α be 40.24 °；The axis of second inclined hole 4231 and the elasticity
Angle between the axis (axis of piston rod 80) of shell 42 is β, it is preferred that the angle β is 54.27 °, above structure
Design so that fluid circulation is accelerated, and meets the rolling capability for adjusting vehicle in larger scope, hauling ability and turns to feedback
Energy.
As shown in Figure 2 and Figure 4, the buffer unit 40 further includes annular element 43, and the annular element 43 is solid by taper hole 433
Surely it is set in the upper end of the steel bushing 44, the upper surface of the annular element 43 is uniformly provided with several big boss 431, described big
Boss 431 is equipped with small boss 432, and the big boss 431 and the small boss 432 extend into the first flow 45,
The big boss 431 and the small boss 432 can stop the flowing of fluid so that fluid disperses to circulate to different directions, makes
The fluid generation mutually collision of the different zones, different flow directions in first flow 45 is obtained, the damping for improving the damper is imitated
Fruit.
As shown in fig. 6, integrally formed with shrapnel 48 on the small boss 432, and the top of the shrapnel 48 extends to institute
State in first flow 45, the connecting pole 482 of the lower part of the shrapnel 48 is located in the small boss 432, the shrapnel 48 it is upper
Portion is provided with a pair of of lug 481, and the lug 481 is located in the first flow 45.At this point, the big boss 431, small boss
432 and shrapnel 48 can absorb a part of vibrational energy, to increase the damping force of the container truck damper, in addition, one
Fluid can be disturbed to lug 481 and shrapnel 48, further increase the damping force of entire damper, to improve instantaneous resistance external force
Ability.
In said structure, vehicle is in vibration processes, and piston rod 10 moves up and down relative to working cylinder 20, piston
Bar 10 moves upwards process and is known as recuperation, and the process that piston rod 10 moves downward is known as compression process.
When it is in recuperation, the fluid of the upper intracavitary of working cylinder 20 generates elastic shell 42 certain pressure,
So that certain elastic deformation occurs for elastic shell 42, and move down so that 422 top of shell lumen of elastic shell 42
Inner wall is touched with the top of the valve body 441 on steel bushing 44, and fluid is divided into two parts the cavity of resorption for flowing into working cylinder 20, first part at this time
Fluid flows into liquid flow channel for oil 90；Second part fluid then passes through the shoulder block 411 on the upper surface of elastic shell 42 and axle sleeve 41
Lower face between the channel that is formed enter first flow 45.Fluid is divided at this time flows downward for two parts, first part from
First inclined hole 4211 flows into liquid flow channel for oil 90；Second part by the outer wall of the inner wall of shell epicoele 421 and annular element 43 it
Between the channel that is formed enter the runner formed between valve body 441, after the runner outflow that fluid is formed between 441 fluid be divided into for
Two parts, a part flow directly into opening 47, flow directly into the cavity of resorption of working cylinder 20 from opening 47, and another part is from straight hole
It flows through, is flowed into liquid flow channel for oil 90 in 4221.When the fluid in liquid flow channel for oil 90 flow to the location of second inclined hole 4231,
At this moment fluid is divided into as two parts, and first part's fluid continues to flow downwardly to along liquid flow channel for oil 90 in the cavity of resorption of working cylinder 20,
Another part fluid then from flowed through in the second inclined hole 4231 flow to opening 47 in, from opening 47 in flow into again under working cylinder 20
Chamber.
When it is in compression process, the fluid of the lower intracavitary of working cylinder 20 generates elastic shell 42 certain pressure,
So that certain elastic deformation occurs for elastic shell 42, and move up so that the inner wall of the shell cavity of resorption 423 of elastic shell 42
The transition position formed between shell lumen 422 is touched with the lower part of valve body 441, and fluid, which is divided into two parts, at this time flows into working cylinder 20
Epicoele, first part fluid flows into liquid flow channel for oil 90；Second part fluid enters in opening 47.Fluid in opening 47
When flowing to the location of second inclined hole 4231, fluid is divided into be flowed for two parts, and a part is along opening 47 to upstream；It is another
Part is then flowed by flowing into the second inclined hole 4231 in liquid flow channel for oil 90 again.The fluid of inlet opening 47 is flow under valve body 441
When the location of portion, and start to shunt, a part is flowed through from the runner formed between valve body 441 to be flowed into second flow channel 46；
Another part is then flowed by straight hole 4221 in liquid flow channel for oil 90.Fluid in second flow channel 46 can by shell epicoele 421 with
The runner formed between annular element 43 enters in first flow 45；When the fluid in liquid flow channel for oil 90 flow to 4211 institute of the first inclined hole
When the position at place, and two parts flowing can be divided into, first part continues upper into the upper of working cylinder 20 along liquid flow channel for oil 90
Chamber；Another part can then enter first flow 45 by the first inclined hole 4211, and the fluid in first flow 45 eventually passes through shell
The runner that is formed between body epicoele 421 and shoulder block 411 flows into the epicoele of the at this moment working cylinder 20 of in the epicoele of working cylinder 20 by piston
Bar 80 has accounted for a part of space, thus the increased volume of epicoele is less than the volume that cavity of resorption reduces, and a part of fluid then just pushes away
Recuperation valve 70 and bottom valve 60 are opened, oil storage cylinder 10 is flowed back to.
When container truck traveling is on the road surface more jolted, the piston rod 80 of damper can be to the outer of working cylinder 20
Portion moves, and piston rod 80 is equipped with buffer unit 40, can reach absorption vibrational energy, mitigates the effect of road shocks so that collection
Truck case in flat road traveling, the damped coefficient of damper is smaller, and container truck can obtain good smooth-going
Property, and container truck, in rough road traveling or in steering procedure, damper can also provide enough dampings
Power, center is excessively raised on vehicle to avoiding during curve driving, the present invention can reach effectiveness in vibration suppression and with
Rolling capability, hauling ability and the steering feedback performance of vehicle are adjusted in the larger context.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of container truck damper, which is characterized in that including：
Oil storage cylinder (10)；
Working cylinder (20), the working cylinder (20) are co-axially located in the oil storage cylinder (10), the outer wall of the working cylinder (20)
Shoe cream room (30) is formed between the inner wall of the oil storage cylinder (10)；
Bottom valve (60), the bottom valve (60) are arranged in the lower part of the working cylinder (20) and keep out in the oil storage cylinder (10)
On the cylinder bottom of lower part；
Piston rod (80), the piston rod (80) setting is in the working cylinder (20), and from the upper end of the working cylinder (20)
It extends upward；
Piston (50), the piston (50) is connected to the lower end of the piston rod (80), and is movably arranged on the working cylinder
(20) in；
Buffer unit (40), the buffer unit (40) are arranged on the piston rod (80), and positioned at the piston (50)
Top, and liquid flow channel for oil (90) is formed between the inner wall of the working cylinder (20), the buffer unit (40) includes axle sleeve
(41), steel bushing (44) and elastic shell (42), the axle sleeve (41) are fixed on the piston rod (80), the steel bushing
(44) lower section on the piston rod (80) and positioned at the axle sleeve (41), the upper surface of the steel bushing (44) are fixed at
Lower face away from the axle sleeve (41) has certain distance B, and the elastic shell (42) is set on the steel bushing (44), in institute
When stating piston rod (80) movement, the axle sleeve (41), the steel bushing (44) and the elastic shell (42) hinder fluid stream jointly
It is dynamic, it realizes the absorption of vibrational energy, reaches cushioning effect, while for adjusting the rolling capability of vehicle, hauling ability and turning
To feedback performance.
2. container truck damper according to claim 1, which is characterized in that the steel bushing (44) has several valves
Body (441), the valve body (441) are evenly distributed on the periphery in the middle part of the steel bushing (44), and the valve body (441) is along the steel
Set (44) axially upwards, extend radially outwardly, the valve body (441) is contained in the shell lumen of the elastic shell (42)
(422) in and close to the inner wall of the shell lumen (422).
3. container truck damper according to claim 2, which is characterized in that the upper end of the elastic shell (42) can
It keeps out on the lower face of the shoulder block (411) of the axle sleeve (41).
4. container truck damper according to claim 3, which is characterized in that the lower face of the shoulder block (411), institute
State the inner wall of the shell epicoele (421) of elastic shell (42), the local periphery of the piston rod (80) and the steel bushing (44)
Upper surface between formed first flow (45).
5. container truck damper according to claim 4, which is characterized in that the periphery of the steel bushing (44) with it is described
Between the middle part inner wall of elastic shell (42) formed second flow channel (46), the upper end of the second flow channel (46) with it is described first-class
Road (45) is connected to, and is formed and is opened between the lower inner wall of the elastic shell (42) and another local periphery of the piston rod (80)
Mouth (47), the opening (47) are connected to the lower end of the second flow channel (46).
6. container truck damper according to claim 5, which is characterized in that the inner wall of the shell epicoele (421)
Several first inclined holes (4211) are equipped with, first inclined hole (4211) is by the first flow (45) and the liquid flow channel for oil
(90) it is connected to.
7. container truck damper according to claim 6, which is characterized in that the inner wall of the shell lumen (422)
Several straight holes (4221) are equipped with, the straight hole (4221) is by the middle part of the second flow channel (46) and the liquid flow channel for oil
(90) it is connected to.
8. container truck damper according to claim 7, which is characterized in that under the shell of the elastic shell (42)
The inner wall of chamber (423) is equipped with several second inclined holes (4231), and second inclined hole (4231) is by opening (47) and the institute
State liquid flow channel for oil (90) connection.
9. container truck damper according to claim 8, which is characterized in that the buffer unit (40) further includes ring
Shape part (43), the annular element (43) are fixed on the upper end of the steel bushing (44), and the upper surface of the annular element (43) is uniformly set
There are several big boss (431), small boss (432), the big boss (431) and described are equipped on the big boss (431)
Small boss (432) extends into the first flow (45).
10. container truck damper according to claim 9, which is characterized in that on the small boss (432) integrally at
Type has shrapnel (48), and the top of the shrapnel (48) extends in the first flow (45), the lower part of the shrapnel (48)
Connecting pole (482) be located in the small boss (432), the top of the shrapnel (48) is provided with a pair of of lug (481), described
Lug (481) is located in the first flow (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311875.1A CN108644295A (en) | 2018-04-09 | 2018-04-09 | A kind of container truck damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311875.1A CN108644295A (en) | 2018-04-09 | 2018-04-09 | A kind of container truck damper |
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| Publication Number | Publication Date |
|---|---|
| CN108644295A true CN108644295A (en) | 2018-10-12 |
Family
ID=63745582
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810311875.1A Withdrawn CN108644295A (en) | 2018-04-09 | 2018-04-09 | A kind of container truck damper |
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| Country | Link |
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| CN (1) | CN108644295A (en) |
Cited By (1)
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| CN112855829A (en) * | 2021-01-21 | 2021-05-28 | 上海淅减汽车悬架有限公司 | Restoration hydraulic buffer structure of shock absorber and shock absorber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855829A (en) * | 2021-01-21 | 2021-05-28 | 上海淅减汽车悬架有限公司 | Restoration hydraulic buffer structure of shock absorber and shock absorber |
| CN112855829B (en) * | 2021-01-21 | 2022-11-25 | 南阳淅减汽车减振器有限公司 | Restoration hydraulic buffer structure of shock absorber and shock absorber |
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Application publication date: 20181012 |