CN114738433A - Bidirectional damping adjustable hydraulic damping cylinder with self-resetting function - Google Patents
Bidirectional damping adjustable hydraulic damping cylinder with self-resetting function Download PDFInfo
- Publication number
- CN114738433A CN114738433A CN202210416260.1A CN202210416260A CN114738433A CN 114738433 A CN114738433 A CN 114738433A CN 202210416260 A CN202210416260 A CN 202210416260A CN 114738433 A CN114738433 A CN 114738433A
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- cylinder barrel
- self
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- 238000013016 damping Methods 0.000 title claims abstract description 84
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 24
- 238000009825 accumulation Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- F16F9/3207—Constructional features
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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
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
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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
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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
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/366—Special sealings, including sealings or guides for piston-rods functioning as guide only, e.g. bushings
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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
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
- F16F9/466—Throttling control, i.e. regulation of flow passage geometry
Abstract
The invention discloses a bidirectional damping adjustable hydraulic damping cylinder with self-resetting function, which comprises a cylinder barrel, wherein an air cavity and an oil cavity are arranged in the cylinder barrel, an adjusting mechanism is arranged on the cylinder barrel, which is used for adjusting, self-resetting and bidirectional locking or unidirectional locking of a damping cylinder, a pressure accumulation mechanism which is arranged on a cylinder barrel, which is used for storing air pressure in the air cavity of the cylinder barrel, and a guide mechanism which is arranged on the cylinder barrel, a unique hydraulic loop principle is formed by integrating various valves and a piston type pressure accumulator, the requirement of two-way damping adjustability of the damping cylinder is realized, the self-resetting function of the cylinder is realized through the area proportional relation of the two cavities, so that the self-resetting function of the cylinder is wider in applicability and larger in application space.
Description
Technical Field
The invention belongs to the technical field of damping cylinders, and particularly relates to a bidirectional damping adjustable hydraulic damping cylinder with a self-resetting function.
Background
The traditional hydraulic damping cylinder principle is generally a one-way damping design which is adopted, the two-way damping requirement cannot be realized, the adopted throttling design is a damping structure which is designed according to common and maximum damping force, the damping force cannot be randomly adjusted, the cylinder body cannot realize the self-locking function of any position, the two-way damping adjustable hydraulic damping cylinder with the self-resetting function is integrated through various valves and a piston accumulator to form a unique hydraulic circuit principle, the two-way damping adjustable requirement of the damping cylinder is realized, the hydraulic damping cylinder with the self-resetting function is provided, the locking of the one-way any position or the two-way any position can be realized, the one-way or two-way rigidity characteristic is presented, and the self-resetting design of the cylinder is realized through the area proportional relation of two cavities on the structure of the cylinder.
Along with different working condition requirements needing damping, the requirements of the bidirectional damping adjustable hydraulic damping cylinder with the self-resetting function are increased, the requirements of bidirectional different damping are met when the hydraulic damping cylinder is used, and a unidirectional or bidirectional rigid supporting function can be achieved when the hydraulic damping cylinder is not used.
Disclosure of Invention
The invention aims to: the hydraulic damping cylinder with the adjustable bidirectional damping and the self-resetting function can meet the requirement of the adjustable bidirectional damping of the damping cylinder, has the self-resetting function, and can realize the locking of any one-way position or any two-way position to present the one-way or two-way rigidity characteristic.
The technical scheme adopted by the invention is as follows: a bidirectional damping adjustable hydraulic damping cylinder with self-resetting, comprising: the cylinder barrel is internally provided with an air cavity and an oil cavity;
the adjusting mechanism is arranged on the cylinder barrel and is used for adjusting, self-resetting and bidirectional locking or unidirectional locking the damping cylinder; and
the pressure accumulation mechanism is arranged on the cylinder barrel and is used for accumulating air pressure in an air cavity of the cylinder barrel;
and the guide mechanism is arranged on the cylinder barrel.
Wherein the adjustment mechanism comprises:
the piston rod assembly is arranged in the oil cavity of the cylinder barrel and is used for dividing the oil cavity of the cylinder barrel into a cavity A and a cavity B;
the oil storage tanks are arranged in two numbers, and each oil storage tank is arranged on the cylinder barrel;
and the adjusting assembly is arranged on the cylinder barrel and is used for controlling oil liquid flowing between the cavity A and the cavity B.
Wherein the piston rod assembly comprises:
the piston rod is movably embedded in an oil cavity of the cylinder barrel, one end of the piston rod is fixedly connected with a piston plate, and the oil cavity is divided into an A cavity and a B cavity by the piston plate;
the oil storage tank is respectively communicated with a cavity B and an air cavity in the oil cavity of the cylinder barrel;
the adjustment assembly includes: each adjustable throttle valve is fixedly connected to the corresponding oil storage tank, and the flow directions of the two adjustable throttle valves are opposite;
each check valve is respectively communicated and connected with the outer wall of the cylinder barrel close to the oil cavity, and the flow directions of the two check valves are opposite;
and each communicating pipe is respectively communicated and connected between the corresponding oil storage tank and the one-way valve.
Wherein, pressure accumulation mechanism includes:
the floating piston assembly is arranged in the air cavity of the cylinder barrel;
the rear end ear ring component is arranged on the cylinder barrel;
and the inflation valve is communicated and arranged on the rear end ear ring component.
The floating piston assembly comprises a floating piston block, and the floating piston block is movably embedded in an air cavity of the cylinder barrel;
the rear end ear ring component comprises a sealing plug and a rear ear ring, the sealing plug is fixedly embedded in the opening part of the air cavity of the cylinder barrel, and the rear ear ring is fixedly connected to the outer surface of one side of the sealing plug;
and the inflation valve is communicated and connected with the outer surface of one side of the sealing plug.
The guide mechanism comprises a guide sleeve, the guide sleeve is fixedly embedded in an oil cavity opening of the cylinder barrel, and the guide sleeve is sleeved on the piston rod.
The outer surface of the guide sleeve is provided with a fixing groove, and a sealing ring is fixedly embedded in the fixing groove.
The outer surface of one side of the piston rod is provided with a mounting groove, and the inside of the mounting groove is in threaded connection with a front earring.
The outer surface of one side of the sealing plug is provided with a plurality of positioning notches, and the outer surface of one side of each positioning notch is provided with a positioning hole.
The inner diameter of the oil cavity in the cylinder barrel is larger than that of the air cavity.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) compared with the traditional hydraulic damping cylinder principle, the principle of the invention realizes the bidirectional damping adjustable requirement of the damping cylinder, has the self-resetting function, and can realize the unidirectional or bidirectional rigidity characteristic of the unidirectional or bidirectional locking at any position. Compared with the traditional hydraulic damping cylinder principle, the hydraulic damping cylinder has the advantages of increased functions, wider applicability and larger application space.
(2) In the invention, the cavity A and the cavity B inside the oil cavity of the cylinder barrel are respectively connected with two adjustable throttle valves and two one-way valves in series, and the flow directions of the two adjustable throttle valves and the two one-way valves are opposite, so that the damping of the damping cylinder can be adjusted immediately.
(3) According to the damping cylinder, nitrogen is injected into the air cavity of the cylinder barrel through the inflation valve, so that the floating piston block moves towards the left side of the air cavity, when the piston rod is pressed, oil in the cavity B flows into the cavity A through the corresponding adjustable throttle valve and the one-way valve, meanwhile, part of the oil flows to the air cavity through the oil storage tank and pushes the floating piston block to move, when the external force is cancelled, the air cavity generates pressure and pushes the oil to return to the inside of the oil cavity, and therefore the piston rod is driven to reset, and the automatic resetting function of the damping cylinder is achieved.
(4) According to the invention, the two one-way valves and the adjustable throttle valve are completely closed, so that oil in the cavity A and the cavity B can not be circulated, the damping cylinder has a rigid characteristic, two-way locking is realized, the two one-way valves are opened, the two adjustable throttle valves are closed, and the one-way locking can be realized when the piston rod is pulled and pressed by respectively opening the adjustable throttle valves.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is a top view of the present invention;
fig. 6 is a rear view of the present invention.
The labels in the figure are: 1. a cylinder barrel; 2. an adjustment mechanism; 201. an oil storage tank; 202. a piston rod; 203. a piston plate; 204. an adjustable throttle valve; 205. a one-way valve; 206. a communicating pipe; 207. an anterior earring; 208. a cavity A; 209. a cavity B; 3. a pressure accumulation mechanism; 301. an inflation valve; 302. a floating piston block; 303. a sealing plug; 304. a posterior earring; 4. a guide mechanism; 401. a guide sleeve; 402. a seal ring; 5. and positioning the notch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
Referring to fig. 1-6: a bidirectional damping adjustable hydraulic damping cylinder with self-resetting, comprising: cylinder 1, 1 inside air cavity and the oil pocket of setting up of cylinder, adjustment mechanism 2 sets up on cylinder 1, and it is used for adjusting, from restoring to the throne and two-way locking or one-way locking the damping cylinder, and adjustment mechanism 2 includes: piston rod assembly, locate inside the oil pocket of cylinder 1, it is used for separating the oil pocket of cylinder 1 for two cavitys in A chamber 208 and B chamber 209, the batch oil tank 201, it is provided with two, every batch oil tank 201 all sets up on cylinder 1, adjusting part sets up on cylinder 1, it is used for the control of circulation fluid between A chamber 208 and the B chamber 209, piston rod assembly includes piston rod 202, piston rod 202 activity inlays and locates inside the oil pocket of cylinder 1, the one end fixedly connected with piston plate 203 of piston rod 202, piston plate 203 separates the oil pocket for A chamber 208 and B chamber 209, batch oil tank 201B chamber 209 and the air cavity in the cylinder 1 oil pocket of intercommunication connection respectively, adjusting part includes: two adjustable throttle valves 204, every adjustable throttle valve 204 is fixed connection respectively on corresponding batch oil tank 201, and the flow direction of two adjustable throttle valves 204 is opposite, two check valves 205, every check valve 205 communicates respectively to be connected in being close to 1 outer wall of oil pocket department cylinder, and the flow direction of two check valves 205 is opposite, two communicating pipes 206, every communicating pipe 206 communicates respectively to be connected and corresponds between batch oil tank 201 and the check valve 205, pressure accumulation mechanism 3 sets up on cylinder 1, it is used for the inside deposit atmospheric pressure of air cavity to cylinder 1, pressure accumulation mechanism 3 includes: floating piston subassembly, it is located in the gas chamber of cylinder 1, rear end earring subassembly, it sets up on cylinder 1, aerify valve 301, it sets up on rear end earring subassembly to aerify valve 301 intercommunication, floating piston subassembly includes floating piston piece 302, floating piston piece 302 activity inlays inside locating the air cavity of cylinder 1, rear end earring subassembly includes sealing plug 303 and back earring 304, sealing plug 303 fixes and inlays the air cavity oral area of locating cylinder 1, back earring 304 fixed connection is in sealing plug 303 one side surface, it connects in sealing plug 303 one side surface to aerify valve 301 intercommunication, the mounting groove has been seted up to piston rod 202 one side surface, the inside threaded connection of mounting groove has preceding earring 207, a plurality of location breach 5 have been seted up to sealing plug 303 one side surface, the locating hole has all been seted up to every location breach 5 one side surface, the oil chamber internal diameter is greater than the internal diameter of air cavity in cylinder 1, the A chamber 208 and the B chamber 209 of cylinder 1 inside are respectively the cluster and are connected with two adjustable throttle valves 204 and two single throttle valves 204 and two are singly become to the chamber 209 When the piston rod 202 in the cylinder barrel 1 is pressed, the piston plate 203 moves to the cavity B209, at the moment, one check valve 205 is closed, oil in the cavity B209 flows to the cavity A208 through the other check valve 205 and the adjustable throttle valve 204, the damping force and the compression speed at the moment are conveniently adjusted through the adjustable throttle valve 204, when the piston rod 202 is pulled, the piston plate 203 moves to the cavity A208, similarly, the damping force and the tension speed at the moment are conveniently adjusted through the corresponding adjustable throttle valve 204, nitrogen is injected into the air cavity of the cylinder barrel 1 through the inflating valve 301, the floating piston block 302 moves to the left side of the air cavity, when the piston rod 202 is pressed, the oil in the cavity B209 flows into the cavity A208 through the corresponding adjustable throttle valve 204 and the check valve 205, meanwhile, part of oil flows to an air cavity through the oil storage tank 201, the floating piston block 302 is pushed to move, when external force is cancelled, the air cavity generates pressure, the oil is pushed to return to the inside of an oil cavity, the piston rod 202 is driven to reset, the two check valves 205 and the adjustable throttle valve 204 are completely closed, the oil in the cavity A208 and the cavity B209 can not circulate, the damping cylinder is made to have a rigid characteristic, the two check valves 205 are opened, the two adjustable throttle valves 204 are closed, and one-way locking can be achieved when the piston rod 202 is pulled and pressed by respectively opening the adjustable throttle valves 204, so that the applicability of the damping cylinder is improved.
Referring to fig. 1-6: guiding mechanism 4, guiding mechanism 4 sets up on cylinder 1, guiding mechanism 4 includes uide bushing 401, 1 oil pocket oral area of cylinder is located to fixed the inlaying of uide bushing 401, and piston rod 202 is located to the uide bushing 401 cover, the fixed slot has been seted up to uide bushing 401 surface, the fixed slot is inside to be fixed to inlay and is equipped with sealing washer 402, through the convenient mobility stability who improves piston rod 202 of uide bushing 401, and simultaneously, the sealing washer 402 of uide bushing 401 outer wall improves the sealing performance of uide bushing 401, improve the safety in utilization of damping cylinder.
The following describes in detail a bidirectional damping adjustable hydraulic damping cylinder with self-resetting function provided by an embodiment of the invention, and the using method thereof comprises the following steps: the cavity A208 and the cavity B209 in the oil cavity of the cylinder barrel 1 are respectively connected with two adjustable throttle valves 204 and two one-way valves 205 in series, and the flow directions of the two adjustable throttle valves 204 and the two one-way valves 205 are opposite, so that the damping of the damping cylinder can be adjusted vertically, when the piston rod 202 in the cylinder barrel 1 is pressed, the piston plate 203 moves towards the cavity B209, at the moment, one of the one-way valves 205 is closed, oil in the cavity B209 flows towards the cavity A208 through the other one-way valve 205 and the adjustable throttle valve 204, the damping force and the compression speed at the moment are conveniently adjusted through the adjustable throttle valve 204, when the piston rod 202 is pulled, the piston plate 203 moves towards the cavity A208, and similarly, the damping force and the stretching speed at the moment are conveniently adjusted through the corresponding adjustable throttle valve 204, the adjusting function of the damping cylinder is realized, nitrogen is injected into the air cavity of the cylinder barrel 1 through the inflating valve 301, so that the floating piston block 302 moves towards the left side, when the piston rod 202 is pressed, oil in the cavity B209 flows into the cavity A208 through the corresponding adjustable throttle valve 204 and the one-way valve 205, meanwhile, part of the oil flows to the air cavity through the oil storage tank 201, the floating piston block 302 is pushed to move, when external force is cancelled, the air cavity generates pressure and can push the oil to return to the inside of the oil cavity, so that the piston rod 202 is driven to reset, the automatic resetting function of the damping cylinder is realized, the oil in the cavity A208 and the cavity B209 can not flow through the two one-way valves 205 and the adjustable throttle valve 204 are completely closed, the damping cylinder is made to have a rigid characteristic, bidirectional locking is realized, the two one-way valves 205 are opened and the two adjustable throttle valves 204 are closed, and unidirectional locking can be realized when the piston rod 202 is pulled and pressed through respectively opening the adjustable throttle valves 204.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a two-way damping adjustable area is from hydraulic damping cylinder that restores to throne which characterized in that includes:
the cylinder barrel (1), wherein an air cavity and an oil cavity are arranged inside the cylinder barrel (1);
the adjusting mechanism (2) is arranged on the cylinder barrel (1) and is used for adjusting, self-resetting and bidirectional locking or unidirectional locking the damping cylinder;
the pressure accumulating mechanism (3) is arranged on the cylinder barrel (1) and is used for accumulating air pressure in an air cavity of the cylinder barrel (1); and
the guide mechanism (4) is arranged on the cylinder barrel (1).
2. The hydraulic damping cylinder of claim 1, with adjustable bi-directional damping and self-resetting, characterized in that: the adjusting mechanism (2) comprises:
the piston rod assembly is arranged in the oil cavity of the cylinder barrel (1) and is used for dividing the oil cavity of the cylinder barrel (1) into an A cavity (208) and a B cavity (209);
the oil storage tanks (201) are arranged, and each oil storage tank (201) is arranged on the cylinder barrel (1);
the adjusting component is arranged on the cylinder barrel (1) and used for controlling oil liquid flowing between the cavity A (208) and the cavity B (209).
3. The hydraulic damping cylinder with adjustable bidirectional damping and self-resetting as claimed in claim 2, wherein: the piston rod assembly comprises a piston rod (202), the piston rod (202) is movably embedded in an oil cavity of the cylinder barrel (1), one end of the piston rod (202) is fixedly connected with a piston plate (203), and the oil cavity is divided into an A cavity (208) and a B cavity (209) by the piston plate (203);
the oil storage tank (201) is respectively communicated with a cavity B and an air cavity in an oil cavity of the connecting cylinder barrel (1);
the adjustment assembly includes: the two adjustable throttle valves (204), each adjustable throttle valve (204) is fixedly connected to the corresponding oil storage tank (201), and the flow directions of the two adjustable throttle valves (204) are opposite;
the two check valves (205), each check valve (205) is respectively communicated and connected with the outer wall of the cylinder barrel (1) close to the oil cavity, and the flow directions of the two check valves (205) are opposite;
and each communication pipe (206) is respectively communicated and connected between the corresponding oil storage tank (201) and the one-way valve (205).
4. The hydraulic damping cylinder of claim 1, with adjustable bi-directional damping and self-resetting, characterized in that: the pressure accumulation mechanism (3) includes:
the floating piston assembly is arranged in the air cavity of the cylinder barrel (1);
the rear end ear ring component is arranged on the cylinder barrel (1);
and the inflation valve (301), and the inflation valve (301) is communicated and arranged on the rear end ear ring component.
5. The hydraulic damping cylinder with adjustable bidirectional damping and self-resetting as claimed in claim 4, wherein: the floating piston assembly comprises a floating piston block (302), and the floating piston block (302) is movably embedded in an air cavity of the cylinder barrel (1);
the rear end ear ring component comprises a sealing plug (303) and a rear ear ring (304), the sealing plug (303) is fixedly embedded in the opening part of the air cavity of the cylinder barrel (1), and the rear ear ring (304) is fixedly connected to the outer surface of one side of the sealing plug (303);
the inflation valve (301) is communicated and connected with the outer surface of one side of the sealing plug (303).
6. The hydraulic damping cylinder of claim 1, with adjustable bi-directional damping and self-resetting, characterized in that: the guide mechanism (4) comprises a guide sleeve (401), the guide sleeve (401) is fixedly embedded in an oil cavity opening of the cylinder barrel (1), and the guide sleeve (401) is sleeved on the piston rod (202).
7. The hydraulic damping cylinder with adjustable bidirectional damping and self-resetting as claimed in claim 6, wherein: the outer surface of the guide sleeve (401) is provided with a fixing groove, and a sealing ring (402) is fixedly embedded in the fixing groove.
8. The hydraulic damping cylinder with adjustable bidirectional damping and self-resetting of claim 7, wherein: the outer surface of one side of the piston rod (202) is provided with a mounting groove, and the inside of the mounting groove is in threaded connection with a front earring (207).
9. The hydraulic damping cylinder with adjustable bidirectional damping and self-resetting as claimed in claim 5, wherein: a plurality of positioning notches (5) are formed in the outer surface of one side of the sealing plug (303), and positioning holes are formed in the outer surface of one side of each positioning notch (5).
10. The hydraulic damping cylinder of claim 1, with adjustable bi-directional damping and self-resetting, characterized in that: the inner diameter of the oil cavity in the cylinder barrel (1) is larger than that of the air cavity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210416260.1A CN114738433A (en) | 2022-04-20 | 2022-04-20 | Bidirectional damping adjustable hydraulic damping cylinder with self-resetting function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210416260.1A CN114738433A (en) | 2022-04-20 | 2022-04-20 | Bidirectional damping adjustable hydraulic damping cylinder with self-resetting function |
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CN114738433A true CN114738433A (en) | 2022-07-12 |
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CN202210416260.1A Pending CN114738433A (en) | 2022-04-20 | 2022-04-20 | Bidirectional damping adjustable hydraulic damping cylinder with self-resetting function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116255413A (en) * | 2023-05-10 | 2023-06-13 | 江苏晟楠电子科技股份有限公司 | Combined shock absorber for airplane |
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2022
- 2022-04-20 CN CN202210416260.1A patent/CN114738433A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116255413A (en) * | 2023-05-10 | 2023-06-13 | 江苏晟楠电子科技股份有限公司 | Combined shock absorber for airplane |
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