CN109751356A - Dampening arrangement - Google Patents
Dampening arrangement Download PDFInfo
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- CN109751356A CN109751356A CN201910110964.4A CN201910110964A CN109751356A CN 109751356 A CN109751356 A CN 109751356A CN 201910110964 A CN201910110964 A CN 201910110964A CN 109751356 A CN109751356 A CN 109751356A
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- piston
- inner chamber
- exocoel
- cylinder
- bottom end
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- 238000007789 sealing Methods 0.000 claims abstract description 62
- 238000007667 floating Methods 0.000 claims abstract description 51
- 239000003921 oil Substances 0.000 claims description 69
- 239000010720 hydraulic oil Substances 0.000 claims description 60
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 55
- 238000013016 damping Methods 0.000 claims description 31
- 238000005273 aeration Methods 0.000 claims description 21
- 239000000945 filler Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000994 depressogenic effect Effects 0.000 description 4
- 230000000873 masking effect Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 238000007373 indentation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The disclosure is directed to a kind of dampening arrangements, are related to cushion technique field.The dampening arrangement includes outer cylinder, inner cylinder, floating plug, piston shaft, piston and oil passage.Outer cylinder has top end part and bottom end；Inner cylinder is set in outer cylinder, and the first end of inner cylinder and top end part sealing cooperate, and second end extends to bottom end；Floating plug, which seals slidingly against, to be matched between inner barrel and outer barrel, to form the first exocoel and the second exocoel；Piston shaft is slidably disposed through top end part setting and penetrates inner cylinder；Piston, which is fixed on piston shaft and seals slidingly against, to be matched in inner cylinder, and first inner chamber and second inner chamber will be divided into inside inner cylinder, and second inner chamber is located at piston close to the side of bottom end；Piston is equipped with damp channel；Oil passage is located at floating plug close to the side of top end part and is connected to the first exocoel and first inner chamber, and the second end of inner cylinder and bottom end sealing cooperate；Alternatively, oil passage is located at floating plug close to the side of bottom end, and it is connected to the second exocoel and second inner chamber.
Description
Technical field
This disclosure relates to cushion technique field, in particular to a kind of dampening arrangement.
Background technique
Currently, damper has been widely used for the fields such as elevator, vehicle and building, by damper to colliding
Or the component of vibration is buffered, to play the role of guard block.It is real that existing damper usually utilizes the elasticity of spring
Existing damping.But spring is easy failure after repeatedly stretching, and is unfavorable for improving the service life of damper.Meanwhile for big
The occasion of impact, spring will bear biggish pressure, thus need to increase the size of spring, this will lead to damper volume and
Weight is larger, and dismounting is inconvenient, also results in and is increased using the weight of the equipment of damper.
It should be noted that information is only used for reinforcing the reason to the background of the disclosure disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The disclosure is designed to provide a kind of dampening arrangement, can be improved the stationarity of shock absorbing process, and is conducive to
It improves service life, reduce weight and occupied space.
According to one aspect of the disclosure, a kind of dampening arrangement is provided, comprising:
Outer cylinder has Packed top end part and bottom end；
Inner cylinder, the axial direction along the outer cylinder are set in the outer cylinder, and have a first end and a second end, the first end with
The top end part sealing cooperation, the second end extend to the bottom end；
Floating plug is sealed slidingly against and is matched between the inner cylinder and the outer cylinder, in the floating plug and the top
The first exocoel is formed between portion, and the second exocoel is formed between the floating plug and the bottom end；
Piston shaft is slidably disposed through the top end part setting, and penetrates the inner cylinder, and matches with top end part sealing
It closes；
Piston is fixed on the piston shaft, and seals slidingly against and be matched in the inner cylinder, inside the inner cylinder
It is divided into the first inner chamber and second inner chamber that can accommodate hydraulic oil simultaneously, the second inner chamber is located at the piston close to the bottom
The side of end；The piston is equipped with damp channel, and when the piston reciprocating is mobile, hydraulic oil can pass through the damp channel
It circulates between the first inner chamber and the second inner chamber；
Oil passage positioned at the floating plug close to the side of the top end part, and is connected to first exocoel and described
One inner cavity, and the second end of the inner cylinder and bottom end sealing cooperate；It is leaned on alternatively, the oil passage is located at the floating plug
The side of the nearly bottom end, and it is connected to second exocoel and the second inner chamber.
In a kind of exemplary embodiment of the disclosure, the dampening arrangement further include:
Pedestal, it is intracavitary outside that sealing is matched with described second, and sealed holding is in the bottom end and the second of the inner cylinder
Between end；
The oil passage is set to the pedestal.
In a kind of exemplary embodiment of the disclosure, the pedestal is ring structure, and the periphery of the pedestal and institute
State outer cylinder sealing cooperation, the second end sealing contact of the inner cylinder is in the pedestal and the space that surrounds with the pedestal is connected to；
The oil passage includes:
Annular groove set on the pedestal close to the end face of the bottom end, and is connected to the second inner chamber；
Connecting hole corresponds to the region of second exocoel set on the pedestal, and is connected to the annular groove and described the
Two exocoels.
In a kind of exemplary embodiment of the disclosure, the dampening arrangement further include:
Pedestal, it is intracavitary outside that sealing is matched with described second, and sealed holding is in the bottom end and the second of the inner cylinder
Between end；
The oil passage is the through-hole set on the inner cylinder side wall, and is connected in first exocoel and described first
Chamber.
In a kind of exemplary embodiment of the disclosure, the pedestal includes:
Chassis, sealing is matched in the outer cylinder, and is held between the second end of the inner cylinder and the bottom end；
Boss is set to the chassis, and extends in the second inner chamber, and seals and cooperate with the inner wall of the inner cylinder.
In a kind of exemplary embodiment of the disclosure, the damp channel includes mutually independent first subchannel and
Two subchannels, in which:
First subchannel includes the first annular groove and the first damping hole, and first annular groove is set to the piston outer periphery simultaneously
It is connected to the first inner chamber；First damping hole is set in the piston, and one end of first damping hole is connected to
The second inner chamber, the other end are connected to the bottom of first annular groove；It is equipped in first annular groove and covers first resistance
The elastic ring in Buddhist nun hole, the elastic ring can be jacked up by hydraulic oil, so that first damping hole is connected to the first inner chamber；
Second subchannel penetrates through the both ends of the piston.
In a kind of exemplary embodiment of the disclosure, the quantity of second subchannel is multiple, and surrounds the work
The central axes of plug are distributed；The dampening arrangement further include:
First elastic block piece is fixed on the piston shaft, and fits in the piston close to the surface of the first inner chamber；
Second elastic block piece is fixed on the piston shaft, and fits in the piston close to the surface of the second inner chamber；
First elastic block piece and second elastic block piece are all exposed first subchannel, and cover multiple second
A part in subchannel, and first elastic block piece and second elastic block piece cover different second sons and lead to
Road.
In a kind of exemplary embodiment of the disclosure, the bottom end is equipped with oil filler point, the oil filler point and the mistake
Oily channel connection, the top end part are equipped with aeration aperture, and the aeration aperture is connected to first exocoel；
The dampening arrangement further include:
Oiling plug, removably sealing is matched in the oil filler point；
Pneumatic head is set in the aeration aperture, for inputting gas to first exocoel.
In a kind of exemplary embodiment of the disclosure, the top end part is equipped with oil filler point, the oil filler point and described the
The connection of one exocoel, the bottom end are equipped with aeration aperture, and the pedestal is located at region intracavitary outside described second and is equipped with venthole, institute
Aeration aperture is stated to be connected to by the venthole with second exocoel；
The dampening arrangement further include:
Oiling plug, removably sealing is matched in the oil filler point；
Pneumatic head is set in the aeration aperture, for inputting gas to second exocoel.
In a kind of exemplary embodiment of the disclosure, the outer cylinder includes:
Cylinder；
First plug is sealedly attached to described cylinder one end, and to form the top end part, the piston shaft is slideably worn
Cross first plug；
Second plug is sealedly attached to the other end of the cylinder, to form the bottom end.
As shown from the above technical solution, the dampening arrangement of the disclosure have in following advantages and good effect at least it
One:
If oil passage is located at floating plug close to the side of bottom end, and is connected to the second exocoel and second inner chamber, then in first
Chamber, second inner chamber are connected to the second exocoel, can be used as the oil pocket for accommodating hydraulic oil, and the first exocoel can be used as the gas for accommodating gas
Chamber.When piston shaft compression is mobile to the bottom end of outer cylinder, the hydraulic oil in piston press second inner chamber can be driven, makes second
The hydraulic oil of inner cavity enters first inner chamber through damp channel, to be played by damping action of the damp channel to hydraulic oil slow
The effect of punching, damping.Meanwhile as the volume that piston shaft enters in oil pocket is gradually increased, hydraulic oil can push floating plug to outer cylinder
Top end part it is mobile, to compress gas intracavitary outside first and reduce the first exocoel, to guarantee piston shaft smoothly to outer cylinder
Bottom end it is mobile.When piston shaft pressure releases, intracavitary gas compressed can push floating plug reversely to move outside first
It is dynamic, so that hydraulic oil intracavitary outside second is depressed into second inner chamber via oil passage, to push piston driving piston shaft anti-
To movement, to reset.
If oil passage is located at floating plug close to the side of top end part, and is connected to the first exocoel and the first inner chamber, and interior
The second end of cylinder and the bottom end of outer cylinder seal and cooperate, then the first exocoel, first inner chamber are connected to second inner chamber, can be used as receiving
The oil pocket of hydraulic oil, and the second exocoel then can be used as the air cavity for accommodating gas.It is moved when piston shaft is pressurized to the bottom end of outer cylinder
When dynamic, the hydraulic oil in piston press second inner chamber can be driven, enters the hydraulic oil of second inner chamber in first through damp channel
Chamber, to play buffering, the effect of damping by damping action of the damp channel to hydraulic oil.Meanwhile as piston shaft enters
Volume in oil pocket is gradually increased, and hydraulic oil can push floating plug mobile to the bottom end of outer cylinder, to compress gas intracavitary outside second
Body simultaneously reduces the second exocoel, to guarantee that piston shaft is smoothly mobile to the bottom end of outer cylinder.When piston shaft pressure releases
When, intracavitary gas compressed can push floating plug to move backward outside second, thus by hydraulic oil intracavitary outside first via mistake
Oily channel is depressed into first inner chamber, and the hydraulic oil in first inner chamber can enter second inner chamber by damp channel, due to inner cylinder
The sealing cooperation of the bottom end of second end and outer cylinder, increases the oil pressure in second inner chamber, to push piston driving piston shaft anti-
To movement, to reset.
In above process, it avoids and buffering is realized using spring, be conducive to improve service life, reduce weight and occupancy
Space.Meanwhile space can be conceded by the indentation that movement of the floating plug in outer cylinder is piston shaft, it can be before guaranteeing that stroke is constant
It puts, reduces the length of dampening arrangement, advantageously reduce weight and occupied space.Meanwhile damp channel is to the work of hydraulic oil
Buffering can be achieved to the effect of floating plug with gas, so that the stationarity of shock absorbing process can be improved.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.It should be evident that the accompanying drawings in the following description is only the disclosure
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the schematic diagram of the first embodiment of disclosure dampening arrangement in the first state.
Fig. 2 is the schematic diagram of the first embodiment of disclosure dampening arrangement in the second condition.
Fig. 3 is the enlarged drawing in the portion A in Fig. 1.
Fig. 4 is the enlarged drawing in the portion B in Fig. 2.
Fig. 5 is the schematic diagram of second of embodiment of disclosure dampening arrangement in the first state.
Fig. 6 is the schematic diagram of second of embodiment of disclosure dampening arrangement in the second condition.
Fig. 7 is the schematic diagram of the piston of disclosure embodiment dampening arrangement.
In figure: 1, outer cylinder；101, cylinder；102, the first plug；1021, the first sealing；1022, the second sealing；
103, the second plug；2, inner cylinder；3, floating plug；4, piston shaft；5, piston；501, seal groove；51, the first subchannel；511, first
Annular groove；512, the first damping hole；52, the second subchannel；6, oil passage；61, annular groove；62, connecting hole；7, fastening nut；
8, gasket；9, elastic ring；10, the first elastic block piece；11, the second elastic block piece；12, pedestal；121, chassis；122, boss；
1201, venthole；13, oiling plug；14, pneumatic head；100, the first exocoel；200, the second exocoel；300, first inner chamber；400,
Second inner chamber.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical attached drawing in figure
Label indicates same or similar structure, thus the detailed description that will omit them.
Although the term of relativity, such as "upper" "lower" is used to describe a component of icon for another in this specification
The relativeness of one component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.It is appreciated that, if making it turn upside down the device overturning of icon, the component described in "upper" will
As the component in "lower".When certain structure is at other structures "upper", it is possible to refer to that certain structural integrity is formed in other structures
On, or refer to that certain structure is " direct " and be arranged in other structures, or refer to that certain structure is arranged by the way that another structure is " indirect " in other knots
On structure.
Term "one", " one ", "the", " described " to indicate there are one or more elements/component part/etc.；With
Language " comprising " and " having " is to indicate the open meaning being included and refer to element/composition portion in addition to listing
Also may be present except divide/waiting other element/component part/etc.；Term " first ", " second " only use as label, are not
Quantity limitation to its object.
Disclosure embodiment provides a kind of dampening arrangement, and as shown in figs 1 to 6, which may include outer
Cylinder 1, inner cylinder 2, floating plug 3, piston shaft 4, piston 5 and oil passage 6, in which:
Outer cylinder 1 has Packed top end part and bottom end.
Inner cylinder 2 is set in outer cylinder 1 along the axial direction of outer cylinder 1, and inner cylinder 2 has a first end and a second end, the first end of inner cylinder 2
It seals and cooperates with the top end part of outer cylinder 1, the second end of inner cylinder 2 extends to the bottom end of outer cylinder 1.
Floating plug 3, which seals slidingly against, to be matched between inner cylinder 2 and outer cylinder 1, with the shape between floating plug 3 and the top end part of outer cylinder 1
At the first exocoel 100, the second exocoel 200 is formed between floating plug 3 and the bottom end of outer cylinder 1.
Piston shaft 4 is slidably disposed through the top end part setting of outer cylinder 1, and penetrates inner cylinder 2, and close with the top end part of outer cylinder 1
Envelope cooperation.
Piston 5 is fixed on piston shaft 4, and seals slidingly against and be matched in inner cylinder 2, will be divided into energy inside inner cylinder 2
The first inner chamber 300 and second inner chamber 400 of hydraulic oil are accommodated simultaneously, and second inner chamber 400 is located at piston 5 close to the bottom end of outer cylinder 1
The side in portion；Piston 5 is equipped with damp channel, and when piston 5 moves back and forth, hydraulic oil can be by damp channel in first inner chamber
It circulates between 300 and second inner chamber 400.
Oil passage 6 is located at floating plug 3 close to the side of top end part, and is connected to the first exocoel 100 and first inner chamber 300, and
The second end of inner cylinder 2 and the bottom end of outer cylinder 1 seal and cooperate；Alternatively, oil passage 6 is located at floating plug 3 close to the bottom end of outer cylinder 1
Side, and be connected to the second exocoel 200 and second inner chamber 400.
The dampening arrangement of disclosure embodiment, as shown in Figure 1, if oil passage 6 is located at floating plug 3 close to outer cylinder 1
The side of bottom end, and be connected to the second exocoel 200 and second inner chamber 400, then first inner chamber 300, outside second inner chamber 400 and second
Chamber 200 is connected to, and can be used as the oil pocket for accommodating hydraulic oil, and the first exocoel 100 can be used as the air cavity for accommodating gas.When piston shaft 4 by
When pressing and squeezing the hydraulic oil in second inner chamber 400 with piston 5, dampening arrangement is in first state, second inner chamber 400
Hydraulic oil enters second inner chamber 400 through damp channel, to play buffering by damping action of the damp channel to hydraulic oil, subtract
The effect of shake.Meanwhile hydraulic oil can push floating plug 3 mobile to the top end part of outer cylinder 1, so that the first exocoel 100 reduces, to protect
It is smoothly mobile to the bottom end of outer cylinder 1 to demonstrate,prove piston shaft 4.As shown in Fig. 2, when 4 pressure of piston shaft releases, dampening arrangement
In the second state, the gas compressed in the first exocoel 100 can push floating plug 3 to move backward, thus by the second exocoel 200
Interior hydraulic oil is depressed into second inner chamber 400 via oil passage 6, thus push piston 5 that piston shaft 4 is driven to move backward, so as to
It resets.
As shown in figure 5, if oil passage 6 is located at floating plug 3 close to the side of top end part, and it is connected to the first exocoel 100 and the
One inner cavity 300, and the bottom end of the second end of inner cylinder 2 and outer cylinder 1 seals and cooperates, then the first exocoel 100,300 and of first inner chamber
Second inner chamber 400 is connected to, and can be used as the oil pocket for accommodating hydraulic oil, and the second exocoel 200 then can be used as the air cavity for accommodating gas.When
When piston shaft 4 is pressurized and squeezes the hydraulic oil in second inner chamber 400 with piston 5, dampening arrangement is in first state, makes the
The hydraulic oil of two inner cavities 400 enters first inner chamber 300 through damp channel, thus by damp channel to the damping action of hydraulic oil
Play buffering, the effect of damping.Meanwhile hydraulic oil can push floating plug 3 mobile to the bottom end of outer cylinder 1, so that the second exocoel 200
It reduces.As shown in fig. 6, when 4 pressure of piston shaft releases, dampening arrangement is in the second state, in the second exocoel 200
Gas compressed can push floating plug 3 to move backward, so that the hydraulic oil in the first exocoel 100 is depressed into via oil passage 6
First inner chamber 300, and the hydraulic oil in first inner chamber 300 can enter second inner chamber 400 by damp channel, due to inner cylinder 2
The bottom end of second end and outer cylinder 1, which seals, to be cooperated, and increases the oil pressure in second inner chamber 400, to push piston 5 with piston
Axis 4 moves backward, to reset.
In above process, it avoids and buffering is realized using spring, be conducive to improve service life, reduce weight and occupancy
Space.Meanwhile space can be conceded by the indentation that movement of the floating plug 3 in outer cylinder 1 is piston shaft 4, it can guarantee that stroke is constant
Under the premise of, the length of dampening arrangement is reduced, weight and occupied space are advantageously reduced.Meanwhile damp channel is to hydraulic oil
Effect and gas buffering can be achieved to the effect of floating plug 3, so that the stationarity of shock absorbing process can be improved.
Each section of the dampening arrangement of disclosure embodiment is described in detail below:
As shown in Figure 1 and Figure 5, outer cylinder 1 can be the hollow structure with top end part and bottom end, the top end part of outer cylinder 1
It is sealing structure with bottom end, and is formed with cavity between top end part and bottom end.Piston shaft 4 can penetrate the top of cylinder 101
End can simultaneously be slided along axial reciprocating, and remain sealing state, prevent hydraulic fluid leak.
In one embodiment, as shown in Figure 1 and Figure 5, outer cylinder 1 may include cylinder 101, the first plug 102 and second
Plug 103, in which:
Cylinder 101 can be the tubular structure of both ends perforation, and have bottom end and top, the shape of the cross section of cylinder 101
Shape can be circle, and but not limited to this, can also ellipse or polygon etc..
First plug 102 is sealably coupled in 101 one end of cylinder, and to form the top end part of outer cylinder 1, the first plug 102 can
Equipped with the axis hole fitted through for piston shaft 4, piston shaft 4 is slidably disposed through the axis hole, to pass through the first plug 102.
For example, as shown in figure 3, the first plug 102 may include the first sealing 1021 and the second sealing 1022,
In, the first sealing 1021 can be column structure, and the top of cylinder 101 can be matched with by oil sealing or the sealing of other sealing elements
It is interior, and can be fixed by circlip or other connectors, to realize the sealed connection of the first sealing 1021 and cylinder 101.The
One sealing 1021 can be resisted against inner cylinder 2 close to one end of 1 top end part of outer cylinder.Second sealing 1022 can be column structure,
One end can be fixed on the first sealing 1021 by being integrally formed connection or other connection types, the other end can by oil sealing or its
The sealing of its sealing element is matched in inner cylinder 2.The axis hole of first plug 102 can be for through the first sealing 1021 and the second sealing
1022 through-hole.
As shown in figure 4, the second plug 103 can be sheathed on the bottom end of cylinder 101, and sealing ring or other sealing elements can be passed through
It seals and cooperates with cylinder 101, to form the bottom end of outer cylinder 1；Certainly, the second plug 103 also salable cylinder 101 that is matched with
In bottom end, as long as the bottom end of cylinder 101 can be blocked, the bottom end of sealing is formed, herein not to the structure of the second plug 103
Do particular determination.
In the other embodiment of the disclosure, outer cylinder 1 can also be other structures, for example, cylinder 101 can be one end
The open integral type tubular structure of the other end is closed, bottom end closing, top end part is open, can be from installing second in bottom end
Plug 103 will not enumerate the other structures of outer cylinder 1 herein.
As shown in figs 1 to 6, inner cylinder 2 can be the tubular structure of both ends perforation, and outer diameter is less than the internal diameter of outer cylinder 1, thus
Inner cylinder 2 can be set in outer cylinder 1 along the axial direction of outer cylinder 1.Inner cylinder 2 has a first end and a second end, which can be with outer cylinder 1
Top end part sealing cooperation, for example, the first end of inner cylinder 2 can be sheathed on outside the second sealing 1022 of the first plug 102, and passes through
Sealing ring or other sealing elements and the second sealing 1022 are tightly connected.The second end of inner cylinder 2 extends to the bottom end of outer cylinder 1,
And can be connect with the bottom end of outer cylinder 1 by a pedestal 12, alternatively, the second end of inner cylinder 2 can the bottom end directly with outer cylinder 1 connect
Cooperation is touched and sealed, in addition, the second end of inner cylinder 2 can not also contact between the bottom end of outer cylinder 1, that is, there is gap.
The bottom end of second end and outer cylinder 1 that inner cylinder 2 is connected by pedestal 12 is described in detail below:
As shown in figs 1 to 6, the sealing of pedestal 12 is matched in the second exocoel 200, and sealed holding is in the bottom end of outer cylinder 1
Between the second end of inner cylinder 2, to be supported by second end of the pedestal 12 to inner cylinder 2.For example, such as Fig. 1-Fig. 4
Shown, in the first embodiment of pedestal 12, pedestal 12 can be ring structure, and the periphery of pedestal 12 and outer cylinder 1 seal
Cooperation, the second end sealing contact of inner cylinder 2 is in pedestal 12, and the space surrounded with pedestal 12 is connected to, i.e. the annular with pedestal 12
The regional connectivity that structure surrounds.
As shown in Figure 5 and Figure 6, in second of embodiment of pedestal 12, pedestal 12 may include chassis 121 and boss
122, wherein chassis 121 is disc-shaped structure, and it is salable be matched in outer cylinder 1, and be held on the second end of inner cylinder 2 and outer
Between the bottom end of cylinder 1, and seals cooperate with the bottom end of the second end of inner cylinder 2 and outer cylinder 1 simultaneously.Boss 122 can be set to bottom
Disk 121, and extend in second inner chamber 400, and seal and cooperate with the inner wall of inner cylinder 2.
Certainly, pedestal 12 can also be other structures, as long as can play the role of supporting the second end of inner cylinder 2,
This will not enumerate.
As shown in figs 1 to 6, floating plug 3 can be the column structure of both ends perforation, can be set in outer cylinder 1, and be sheathed on interior
Cylinder 2 outside, can be slidably matched with the inner wall of outer cylinder 1 and the outer wall of inner cylinder 2, so as between outer cylinder 1 and inner cylinder 2 along axial reciprocating
Sliding.Meanwhile floating plug 3 cooperates with outer cylinder 1 and the sealing of inner cylinder 2 simultaneously, so that sealing is kept during sliding, for example, floating
The periphery of plug 3 and inner circumferential can be equipped with the groove of annular, can be equipped with sealing ring, the sealing ring of 3 periphery of floating plug in annular groove
Can be with the inner wall palette of outer cylinder 1, the sealing ring of 3 inner circumferential of floating plug can be with the outer wall palette of inner cylinder 2.
The space between outer cylinder 1 and inner cylinder 2 can be separated by floating plug 3, form the first exocoel 100 and the second exocoel 200,
First exocoel 100 between floating plug 3 and the top end part of outer cylinder 1, the second exocoel 200 be located at floating plug 3 and outer cylinder 1 bottom end it
Between.
As shown in figs 1 to 6, piston shaft 4 may pass through the top end part of outer cylinder 1, and penetrate inner cylinder 2, and piston shaft 4 and outer cylinder 1
Top end part seal slidingly against cooperation, so as to along the axial reciprocating of inner cylinder 2 slide.For example, piston shaft 4 is slideably
Across the axis hole of the first plug 102 setting, which can be for through the first sealing 1021 of the first plug 102 and the second sealing
The through-hole in portion 1022.
As shown in Fig. 1-Fig. 7, piston 5 can be set in inner cylinder 2, and be slidingly sealed cooperation with the inner wall of inner cylinder 2, by inner cylinder
First inner chamber 300 and second inner chamber 400 are divided into inside 2, second inner chamber 400 is located at piston 5 close to the one of the bottom end of outer cylinder 1
Side, and can accommodate hydraulic oil.For example, the periphery of piston 5 can be equipped with seal groove 501, and the quantity of seal groove 501 can be
One, two or more can be equipped with sealing ring in each seal groove 501, and the periphery of sealing ring can be close with the inner wall of inner cylinder 2
Envelope cooperation, and sealing can be kept in sliding.It is, of course, also possible to be slidingly sealed piston 5 with 2 inner wall of inner cylinder
Cooperation, will not enumerate herein.
Piston 5 is fixed on the part that piston shaft 4 protrudes into inner cylinder 2, can be with the movement of piston shaft 4 and along axis in inner cylinder 2
To movement.For example, piston 5 can be sheathed on outside piston shaft 4, and piston shaft 4 can be equipped with the shaft shoulder, and the shaft shoulder is located at first inner chamber 300,
Piston 5 is connected to the shaft shoulder close to one end of first inner chamber 300, can be connected with fastening nut 7 on piston shaft 4, the fastening nut 7
Positioned at piston 5 close to the side of second inner chamber 400, so that piston 5 is gripped by the fastening nut 7 and the shaft shoulder, in order to anti-
Only fastening nut 7 and piston 5 are worn, and gasket 8 can be installed between fastening nut 7 and piston 5.Certainly, welding, key can also be passed through
Piston 5 is fixed on piston shaft 4 by the modes such as connection or integrated molding connection, will not enumerate herein.
Piston 5 is equipped with damp channel, and when piston 5 moves back and forth, hydraulic oil can be by damp channel in first inner chamber 300
It circulates between second inner chamber 400, the buffering effect to piston shaft 4 can be played by damping action of the damp channel to hydraulic oil.
For example, as shown in Figure 2 and Figure 7, damp channel may include mutually independent first subchannel 51 and the second son
Channel 52, in which:
First subchannel 51 may include the first annular groove 511 and the first damping hole 512, in which:
First annular groove 511 is set to 5 periphery of piston, and the cross section of the bottom of the first annular groove 511 can be v-shaped structure, certainly,
It can be inverted trapezoidal or other shapes.First annular groove 511 is connected to first inner chamber 300 always, and is located at seal groove 501 close to the
The side of one inner cavity 300 avoids the sealing ring in seal groove 501 from obstructing the first annular groove 511 and first inner chamber 300.
First damping hole 512 is set in piston 5, and one end of the first damping hole 512 is connected to second inner chamber 400, another
End is connected to the bottom of the first annular groove 511.First damping hole 512 can be for along the straight hole for being parallel to 5 axial direction of piston.
In addition, be equipped with the elastic ring 9 of the first damping hole 512 of masking in the first annular groove 511, elastic ring 9 can for rubber or its
Its elastic material；When piston 5 is mobile to the bottom end of outer cylinder 1, hydraulic oil passes through the first damping hole 512 to the first annular groove 511
Interior flowing, elastic ring 9 can be jacked up by hydraulic oil, so that the first damping hole 512 is connected to first inner chamber 300, so that hydraulic oil can
Enter first inner chamber 300 through the first annular groove 511.When piston 5 is mobile to the top end part of outer cylinder 1, hydraulic oil passes through the first annular groove
511 flow into the first damping hole 512, and hydraulic oil squeezes elastic ring 9, so that elastic ring 9 keeps the first damping hole 512 of masking,
First annular groove 511 and the first damping hole 512 are separated, and without being flowed in the first damping hole of normal direction 512.
The quantity of first subchannel 51 can be multiple, and be distributed around the central axes of piston 5, certainly, the first subchannel 51
Quantity be also possible to one.
Second subchannel 52 can be the through-hole at the both ends of perforation piston 5, can extend along axially direction is parallel to.Second
The quantity of subchannel 52 can be to be multiple, and multiple second subchannels 52 are distributed around the central axes of piston 5, and the second subchannel 52 can
Positioned at the first subchannel 51 close to the side of the central axes of piston 5, i.e. the second subchannel 52 is located at the inside of the first subchannel 51.
In one embodiment, as shown in Figure 2 and Figure 7, the quantity of the second subchannel 52 is multiple, and around piston 5
Central axes distribution, and the dampening arrangement of the embodiment may also include the first elastic block piece 10 and the second elastic block piece 11,
In:
First elastic block piece 10 is securable to piston shaft 4, and fits in piston 5 close to the surface of first inner chamber 300.Example
Such as, the first elastic block piece 10 is sheathed on outside piston shaft 4, and is held between the shaft shoulder and piston 5 of above-mentioned piston shaft 4, thus logical
Cross fastening nut 7 fixed piston 5 and the first elastic block piece 10 is fixed.
First elastic block piece 10 exposes the first subchannel 51, and covers a part in multiple second subchannels 52, also
It is to say, at least one second subchannel 52 is not covered by the first elastic block piece 10, and is connected to always with first inner chamber 300.Meanwhile
If the first elastic block piece 10 is held between the shaft shoulder and piston 5, the shaft shoulder does not cover each second subchannel 52, and the periphery of the shaft shoulder exists
Projection of the piston 5 close to one end of first inner chamber 300 is located at the second subchannel 52 close to the side of 5 central axes of piston, i.e. inside,
In order to avoid the second subchannel 52 of masking.
Second elastic block piece 11 is securable to piston shaft 4, and fits in piston 5 close to the surface of second inner chamber 400.Second
Elastic block piece 11 is sheathed on outside piston shaft 4, and is held between piston 5 and fastening nut 7.
Second elastic block piece 11 exposes the first subchannel 51, and covers a part in multiple second subchannels 52, also
It is to say, at least one second subchannel 52 is not covered by the second elastic block piece 11, and is connected to always with second inner chamber 400.Meanwhile
First elastic block piece 10 and the second elastic block piece 11 cover the second different subchannels 52, so that same second subchannel 52 will not
It is covered simultaneously by the first elastic block piece 10 and the second elastic block piece 11.
The material of first elastic block piece 10 and the second elastic block piece 11 can be copper or other metals, as long as being with elasticity
Can, thickness and shape do not do particular determination herein.
When piston 5 is mobile to the bottom end of outer cylinder 1, the hydraulic oil in second inner chamber 400, which enters, not to be kept off by the second elasticity
First elastic block piece 10 of the second subchannel 52 that piece 11 covers, the second subchannel 52 of masking is squeezed by hydraulic oil, and to outer cylinder 1
Top end part flexible deformation occurs, it is but hydraulic so that hydraulic oil can enter first inner chamber 300 to open second subchannel 52
Oil can not be by the second subchannel 52 for being covered by the second elastic block piece 11.When piston 5 is mobile to the top end part of outer cylinder 1, the
Hydraulic oil in one inner cavity 300 enters the second subchannel 52 not covered by the first elastic block piece 10, covers the second subchannel 52
The second elastic block piece 11 squeezed by hydraulic oil, and to the top end part of outer cylinder 1 occur flexible deformation, to open second subchannel
52, so that hydraulic oil enters second inner chamber 400, but hydraulic oil can not be by the second subchannel for being covered by the first elastic block piece 10
52.As a result, when piston 5 moves back and forth, only the second subchannel of part 52 passes through for hydraulic oil.
Certainly, in the other embodiment of the disclosure, the both ends of piston 5 can also be not provided with the first above-mentioned elastic block piece
10 and second elastic block piece 11, the quantity of the second subchannel 52 be one or more, at least one second subchannel 52 is normal open
State is connected to first inner chamber 300 and second inner chamber 400 always.
As shown in Figure 1 and Figure 5, oil passage 6 can be the channel inside 2 inside of connection inner cylinder and outer cylinder 1, for hydraulic oil
Flowing.Specifically, oil passage 6 can be located at floating plug 3 close to the side of the top end part of outer cylinder 1, and it is connected to 100 He of the first exocoel
First inner chamber 300；Alternatively, oil passage 6 may be alternatively located at floating plug 3 close to the side of the bottom end of outer cylinder 1, and it is connected to the second exocoel
200 and second inner chamber 400.
As Figure 1-Figure 4, in the first embodiment of disclosure dampening arrangement, the second end of inner cylinder 2 passes through
Pedestal 12 is connect with the bottom end of outer cylinder 1, and the pedestal 12 is the pedestal 12 in the first embodiment of pedestal 12.Inner cylinder 2
Second end can be connected to the space that 12 ring structure of pedestal surrounds, i.e., the regional connectivity surrounded with the ring structure of pedestal 12.
Oil passage 6 can be set in pedestal 12, and be connected to the second exocoel 200 and second inner chamber 400, so that hydraulic oil can be in the second exocoel
It is flowed between 200 and second inner chamber 400.Further, oil passage 6 may include annular groove 61 and connecting hole 62, in which: annular groove
61 are set to pedestal 12 is connected to close to the end face of the bottom end of outer cylinder 1, and with second inner chamber 400.Connecting hole 62 can be set to pedestal 12
Corresponding to the region of the second exocoel 200, connecting hole 62 can be axis parallel in the straight hole of 2 central axes of inner cylinder, and be connected to annular
Slot 61 and the second exocoel 200, to be connected to the second exocoel 200 with second inner chamber 400 with connecting hole 62 by annular groove 61.
As shown in Figure 5 and Figure 6, in second of embodiment of disclosure dampening arrangement, the second end of inner cylinder 2 passes through
Pedestal 12 is connect with the bottom end of outer cylinder 1, and the pedestal 12 is the pedestal 12 in second of embodiment of pedestal 12.It is logical to cross oil
Road 6 is opened in the side wall of inner cylinder 2, and is located at floating plug 3 close to the side of the top end part of outer cylinder 1, and is connected to the first exocoel 100 and the
One inner cavity 300, and oil passage 6 is not provided in pedestal 12, so as to pass through pedestal 12 for the second end of inner cylinder 2 and outer cylinder 1
Bottom end seals, and pass through hydraulic oil can not between the second end of inner cylinder 2 and the bottom end of outer cylinder 1, and can only be by excessively oily
Channel 6 passes through.
In the third embodiment of disclosure dampening arrangement, bottom that the second end of inner cylinder 2 can also directly with outer cylinder 1
End contacts and seals cooperation, and oil passage 6 is opened in the side wall of inner cylinder 2, and is located at floating plug 3 close to the top end part of outer cylinder 1
Side, and it is connected to the first exocoel 100 and first inner chamber 300.
In the other embodiment of disclosure dampening arrangement, can have between the second end of inner cylinder 2 and the bottom end of outer cylinder 1
There is gap, and be not provided with above-mentioned pedestal 12, which can be used as oil passage 6, thus in the second exocoel 200 and second of connection
Chamber 400.
For the ease of injection hydraulic oil and inflation, oil filler point and aeration aperture can be set in outer cylinder 1, for example:
If oil passage 6 is located at floating plug 3 close to the side of the bottom end of outer cylinder 1, and is connected in the second exocoel 200 and second
Chamber 400.For example, oil passage 6 is opened in pedestal 12, the second exocoel for the first embodiment of dampening arrangement
200, first inner chamber 300 and second inner chamber 400 can be used as oil pocket, and can accommodate hydraulic oil, and the first exocoel 100 can be used as gas
Chamber, to accommodate gas.Therefore, oil filler point can be opened in the bottom end of outer cylinder 1, such as be opened in the second plug 103, oil filler point
It is connected to the second exocoel 200 or second inner chamber 400, for example, for the first embodiment of dampening arrangement, oil filler point
It is connected to the annular groove 61 of pedestal 12.By oil filler point hydraulic oil can be injected to the second exocoel 200.Meanwhile aeration aperture can be set to
The top end part of outer cylinder 1, such as it is opened in the first plug 102, and aeration aperture is connected to the first exocoel 100.
As shown in Figure 5 and Figure 6, if oil passage 6 can be located at floating plug 3 close to the side of the top end part of outer cylinder 1, and it is connected to the
One exocoel 100 and first inner chamber 300, the first exocoel 100, first inner chamber 300 and second inner chamber 400 can be used as oil pocket, and
Hydraulic oil is accommodated, and the second exocoel 200 can be used as air cavity, to accommodate gas.Therefore, oil filler point can be opened in the top of outer cylinder 1
End, such as it is opened in the second plug 103, oil filler point is connected to the first exocoel 100, hydraulic to inject to the first exocoel 100
Oil, it is of course also possible to be used for oil extraction.Meanwhile aeration aperture can be set to the bottom end of outer cylinder 1, and be connected to the second exocoel 200, example
Such as, for second of embodiment of dampening arrangement, can pedestal 12 be located at the region in the second exocoel 200 open up it is logical
Stomata 1201, aeration aperture can be connected to by venthole 1201 with the second exocoel 200.
In addition, as shown in figs 1 to 6, the dampening arrangement of disclosure embodiment may also include oiling plug 13 and inflation
First 14, in which:
Oiling plug 13 is set in oil filler point, and can be connected through a screw thread or other modes removably are sealed and are matched with
In oil filler point.The specific structure of oiling plug 13 does not do particular determination herein, as long as plugging action can be played.
Pneumatic head 14 can be set in aeration aperture, if aeration aperture is connected to the first exocoel 100, pneumatic head 14 is used for first
Exocoel 100 inputs gas；If the second exocoel of aeration aperture 200 is connected to, pneumatic head 14 is used to input gas to the second exocoel 200.
The pneumatic head 14 can be check valve, can inwardly inflate, and can prevent outside gas leakage.The specific structure of pneumatic head 14 is not done herein
Particular determination, as long as being able to achieve unidirectional inflation.
Certainly, the damping device of disclosure embodiment can also be not provided with above-mentioned aeration aperture and oil filler point, and can make
Hydraulic oil is injected when making and is inflated.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by appended
Claim is pointed out.
Claims (10)
1. a kind of dampening arrangement characterized by comprising
Outer cylinder has Packed top end part and bottom end；
Inner cylinder, the axial direction along the outer cylinder are set in the outer cylinder, and have a first end and a second end, the first end with it is described
Top end part sealing cooperation, the second end extend to the bottom end；
Floating plug is sealed slidingly against and is matched between the inner cylinder and the outer cylinder, between the floating plug and the top end part
The first exocoel is formed, forms the second exocoel between the floating plug and the bottom end；
Piston shaft is slidably disposed through the top end part setting, and penetrates the inner cylinder, and seal and cooperate with the top end part；
Piston is fixed on the piston shaft, and seals slidingly against and be matched in the inner cylinder, by the inner cylinder inner part every
For the first inner chamber and second inner chamber that can accommodate hydraulic oil simultaneously, the second inner chamber is located at the piston close to the bottom end
Side；The piston is equipped with damp channel, and when the piston reciprocating is mobile, hydraulic oil can be by the damp channel in institute
It states and circulates between first inner chamber and the second inner chamber；
Oil passage positioned at the floating plug close to the side of the top end part, and is connected in first exocoel and described first
Chamber, and the second end of the inner cylinder and bottom end sealing cooperate；Alternatively, the oil passage is located at the floating plug close to institute
The side of bottom end is stated, and is connected to second exocoel and the second inner chamber.
2. dampening arrangement according to claim 1, which is characterized in that the dampening arrangement further include:
Pedestal, sealing be matched with it is intracavitary outside described second, and sealed holding in the second end of the bottom end and the inner cylinder it
Between；
The oil passage is set to the pedestal.
3. dampening arrangement according to claim 2, which is characterized in that the pedestal is ring structure, and the pedestal
Periphery and outer cylinder sealing cooperate, the second end of inner cylinder sealing contact is surrounded in the pedestal and with the pedestal
Space connection；
The oil passage includes:
Annular groove set on the pedestal close to the end face of the bottom end, and is connected to the second inner chamber；
Connecting hole corresponds to the region of second exocoel set on the pedestal, and is connected to outside the annular groove and described second
Chamber.
4. dampening arrangement according to claim 1, which is characterized in that the dampening arrangement further include:
Pedestal, sealing be matched with it is intracavitary outside described second, and sealed holding in the second end of the bottom end and the inner cylinder it
Between；
The oil passage is the through-hole set on the inner cylinder side wall, and is connected to first exocoel and the first inner chamber.
5. dampening arrangement according to claim 4, which is characterized in that the pedestal includes:
Chassis, sealing is matched in the outer cylinder, and is held between the second end of the inner cylinder and the bottom end；
Boss is set to the chassis, and extends in the second inner chamber, and seals and cooperate with the inner wall of the inner cylinder.
6. dampening arrangement according to claim 1-5, which is characterized in that the damp channel includes mutually solely
Vertical the first subchannel and the second subchannel, in which:
First subchannel include the first annular groove and the first damping hole, first annular groove be set to the piston outer periphery and with institute
State first inner chamber connection；First damping hole is set in the piston, and one end of first damping hole be connected to it is described
Second inner chamber, the other end are connected to the bottom of first annular groove；It is equipped in first annular groove and covers first damping hole
Elastic ring, the elastic ring can be jacked up by hydraulic oil, so that first damping hole is connected to the first inner chamber；
Second subchannel penetrates through the both ends of the piston.
7. dampening arrangement according to claim 6, which is characterized in that the quantity of second subchannel is multiple, and
It is distributed around the central axes of the piston；The dampening arrangement further include:
First elastic block piece is fixed on the piston shaft, and fits in the piston close to the surface of the first inner chamber；
Second elastic block piece is fixed on the piston shaft, and fits in the piston close to the surface of the second inner chamber；
First elastic block piece and second elastic block piece are all exposed first subchannel, and it is logical to cover multiple second sons
A part in road, and first elastic block piece and second elastic block piece cover different second subchannels.
8. dampening arrangement according to claim 2, which is characterized in that the bottom end is equipped with oil filler point, the oiling
Hole is connected to the oil passage, and the top end part is equipped with aeration aperture, and the aeration aperture is connected to first exocoel；
The dampening arrangement further include:
Oiling plug, removably sealing is matched in the oil filler point；
Pneumatic head is set in the aeration aperture, for inputting gas to first exocoel.
9. dampening arrangement according to claim 4, which is characterized in that the top end part is equipped with oil filler point, the oiling
Hole is connected to first exocoel, and the bottom end is equipped with aeration aperture, and the pedestal is located at region intracavitary outside described second and sets
There is venthole, the aeration aperture is connected to by the venthole with second exocoel；
The dampening arrangement further include:
Oiling plug, removably sealing is matched in the oil filler point；
Pneumatic head is set in the aeration aperture, for inputting gas to second exocoel.
10. dampening arrangement according to claim 1-5, which is characterized in that the outer cylinder includes:
Cylinder；
First plug is sealedly attached to described cylinder one end, and to form the top end part, the piston shaft is slidably disposed through institute
State the first plug；
Second plug is sealedly attached to the other end of the cylinder, to form the bottom end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110964.4A CN109751356A (en) | 2019-02-12 | 2019-02-12 | Dampening arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110964.4A CN109751356A (en) | 2019-02-12 | 2019-02-12 | Dampening arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN109751356A true CN109751356A (en) | 2019-05-14 |
Family
ID=66407347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910110964.4A Pending CN109751356A (en) | 2019-02-12 | 2019-02-12 | Dampening arrangement |
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| Country | Link |
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| CN (1) | CN109751356A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066503A (en) * | 2021-10-29 | 2023-05-05 | 比亚迪股份有限公司 | Hydraulic damper, shock absorber and vehicle |
| CN117072605A (en) * | 2023-08-22 | 2023-11-17 | 浙江朝日减振器有限公司 | High-stability oil-gas mixing vibration damper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5720473A (en) * | 1996-03-26 | 1998-02-24 | Thomas; James Gregory | Shock absorber |
| CN108343698A (en) * | 2018-04-19 | 2018-07-31 | 卫德义 | Damper |
| CN208153605U (en) * | 2018-04-19 | 2018-11-27 | 卫玮 | Damping device |
| CN209781545U (en) * | 2019-02-12 | 2019-12-13 | 卫德义 | shock absorber device |
-
2019
- 2019-02-12 CN CN201910110964.4A patent/CN109751356A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5720473A (en) * | 1996-03-26 | 1998-02-24 | Thomas; James Gregory | Shock absorber |
| CN108343698A (en) * | 2018-04-19 | 2018-07-31 | 卫德义 | Damper |
| CN208153605U (en) * | 2018-04-19 | 2018-11-27 | 卫玮 | Damping device |
| CN209781545U (en) * | 2019-02-12 | 2019-12-13 | 卫德义 | shock absorber device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066503A (en) * | 2021-10-29 | 2023-05-05 | 比亚迪股份有限公司 | Hydraulic damper, shock absorber and vehicle |
| CN117072605A (en) * | 2023-08-22 | 2023-11-17 | 浙江朝日减振器有限公司 | High-stability oil-gas mixing vibration damper |
| CN117072605B (en) * | 2023-08-22 | 2024-06-11 | 浙江朝日减振器有限公司 | High-stability oil-gas mixing vibration damper |
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