CN115289169B - Detachable variable damping inflatable hydraulic shock absorber - Google Patents
Detachable variable damping inflatable hydraulic shock absorber Download PDFInfo
- Publication number
- CN115289169B CN115289169B CN202210927421.3A CN202210927421A CN115289169B CN 115289169 B CN115289169 B CN 115289169B CN 202210927421 A CN202210927421 A CN 202210927421A CN 115289169 B CN115289169 B CN 115289169B
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- China
- Prior art keywords
- detachable
- assembly
- shock absorber
- hydraulic shock
- threaded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000035939 shock Effects 0.000 title claims abstract description 20
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 19
- 238000013016 damping Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims description 29
- 238000007667 floating Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000020347 spindle assembly Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
-
- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention provides a detachable variable damping pneumatic hydraulic shock absorber, which comprises an integral connecting seat, wherein the right side of the upper part of the integral connecting seat is connected with a working master cylinder in a threaded manner, and a piston rod penetrates through the upper part of the inner side of the working master cylinder; the upper part of the piston rod is in threaded connection with an upper support, and the outer side of the piston rod is sleeved with a buffer spring; the left side of the integrated connecting seat is integrally provided with a connecting oil way, and the left upper part of the connecting oil way is fixedly provided with a detachable sealing shell assembly; the rotary valve mandrel assembly is arranged on the inner side of the detachable sealing shell assembly, and the electric control driving frame assembly is fixed on the lower portion of the detachable sealing shell assembly. The invention is beneficial to the disassembly of the working master cylinder and the gasoline cylinder, and can take out the rotary valve mandrel assembly for maintenance.
Description
Technical Field
The invention belongs to the technical field of shock absorbers, and particularly relates to a detachable variable damping inflatable hydraulic shock absorber.
Background
The inflatable shock absorber is also called an oil-gas mixing shock absorber, adopts oil as a medium, adds partial gas into a cylinder barrel as an aid, and adds the gas medium on the basis of hydraulic shock absorption, so that the stability is improved, and the conventional variable damping inflatable hydraulic shock absorber is provided. The hydraulic shock absorber comprises a working cylinder, a pneumatic cylinder, a lower support for connecting the working cylinder and the pneumatic cylinder, and a piston mechanism, wherein the piston bar is thinner, is easy to bend and damage after being subjected to impact load for a long time, and is more complicated in disassembly process and more laborious in disassembly due to the fact that the tightness of the inside is ensured.
Therefore, it is necessary to invent a detachable variable damping pneumatic hydraulic shock absorber.
Disclosure of Invention
According to the detachable variable damping pneumatic hydraulic shock absorber, the opening size of the oil way pipeline is adjusted through the valve core arranged in a conical mode, normal adjustment is not affected while the valve core is thickened, and the connecting part is matched with the sealing ring through threads, so that the detachable variable damping pneumatic hydraulic shock absorber is convenient to detach.
The technical scheme is as follows: the detachable variable damping pneumatic hydraulic shock absorber comprises an integral connecting seat, wherein a working master cylinder is connected to the right side of the upper part of the integral connecting seat in a threaded manner, and a piston rod penetrates through the upper part of the inner side of the working master cylinder; the upper part of the piston rod is in threaded connection with an upper support, and the outer side of the piston rod is sleeved with a buffer spring; the left side of the integrated connecting seat is integrally provided with a connecting oil way, and the left upper part of the connecting oil way is fixedly provided with a detachable sealing shell assembly; the rotary valve mandrel assembly is arranged on the inner side of the detachable sealing shell assembly, and the electric control driving frame assembly is fixed on the lower part of the detachable sealing shell assembly; the right side of the upper part of the detachable sealing shell component is connected with a gasoline cylinder, and a floating piston is inserted into the inner side of the gasoline cylinder.
Preferably, the detachable sealing shell assembly comprises a bottom conical shell, wherein the upper part of the bottom conical shell is connected with a top conical cover through bolts, and a threaded communicating pipe is respectively and integrally fixed at the right lower part of the bottom conical shell and the right lower part of the top conical cover; the other end of the threaded communicating pipe is provided with a sealing gasket.
Preferably, the lower part of the piston rod is connected with a main piston through bolts, and the main piston is inserted into the inner side of the working master cylinder.
Preferably, the buffer spring is sleeved on the outer side of the working master cylinder, the lower part of the buffer spring is contacted with the upper part of the integrated connecting seat, and the upper part of the buffer spring is contacted with the lower part of the upper support.
Preferably, the upper and lower parts of the metal rotating block are arranged in a conical shape.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the bottom conical shell, the top conical cover, the threaded communicating pipe and the sealing gasket are beneficial to disassembling the working master cylinder and the gasoline cylinder, and the rotary valve mandrel assembly can be taken out for maintenance.
2. In the invention, the metal rotating block, the adjusting hole, the outside sealing sleeve and the connecting through hole are arranged, so that the thickness of the piston rod is increased through the tapered metal rotating block, and the piston rod can bear stronger impact force.
3. In the invention, the metal fixing seat, the miniature rotating motor, the rectangular rotating rod, the cylindrical connector and the fixed bearing are arranged, which is favorable for driving the metal rotating block to rotate for a certain angle, thereby controlling the relative position between the adjusting hole and the threaded communicating pipe.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the removable seal housing assembly of the present invention.
Fig. 3 is a schematic structural view of a rotary valve spindle assembly of the present invention.
Fig. 4 is a schematic structural view of the electronically controlled drive bay assembly of the present invention.
In the figure:
1. an integrated connecting seat; 2. a working master cylinder; 3. a piston rod; 4. an upper support; 5. a buffer spring; 6. a connecting oil path; 7. a removable seal housing assembly; 71. a bottom cone; 72. a top cone cover; 73. a threaded communicating pipe; 74. a sealing gasket; 8. a rotary valve spindle assembly; 81. a metal rotating block; 82. adjusting the hole; 83. an outer sealing sleeve; 84. a connecting through hole; 9. an electrically controlled drive rack assembly; 91. a metal fixing seat; 92. a miniature rotating electric machine; 93. a rectangular rotating rod; 94. a cylindrical connector; 95. fixing a bearing; 10. a gasoline cylinder; 11. and (5) floating the piston.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples:
as shown in fig. 1 and fig. 2, a detachable variable damping pneumatic hydraulic shock absorber comprises an integral connecting seat 1, wherein a working master cylinder 2 is connected to the right side of the upper part of the integral connecting seat 1 in a threaded manner, and a piston rod 3 penetrates through the upper part of the inner side of the working master cylinder 2; the upper part of the piston rod 3 is in threaded connection with an upper support 4, and the outer side of the piston rod 3 is sleeved with a buffer spring 5; the left side of the integrated connecting seat 1 is integrally provided with a connecting oil way 6, and a detachable sealing shell assembly 7 is fixed at the upper left part of the connecting oil way 6; the rotary valve mandrel assembly 8 is arranged on the inner side of the detachable sealing shell assembly 7, and the electric control driving frame assembly 9 is fixed on the lower part of the detachable sealing shell assembly 7; the right side of the upper part of the detachable sealing shell assembly 7 is connected with a gasoline cylinder 10, and a floating piston 11 is inserted into the inner side of the gasoline cylinder 10.
As shown in fig. 3, in the foregoing embodiment, specifically, the rotary valve mandrel assembly 8 includes a metal rotary block 81, an adjusting hole 82 is formed on the right side of the inside of the metal rotary block 81, an outer sealing sleeve 83 is glued to the upper and lower outer sides of the metal rotary block 81, and a connecting through hole 84 is formed on the right side of the outer sealing sleeve 83; the relative position between the adjusting hole 82 on the metal rotating block 81 and the threaded communicating pipe 73 is adjusted, and the size of the oil passage opening is adjusted.
As shown in fig. 4, in the above embodiment, specifically, the electrically controlled driving rack assembly 9 includes a metal fixing seat 91, a micro rotating motor 92 is bolted to the lower portion of the metal fixing seat 91, a rectangular rotating rod 93 is inserted into the inner side of the metal fixing seat 91, and a cylindrical connector 94 is integrally disposed on the upper portion of the rectangular rotating rod 93; the upper part of the outer side of the cylindrical connector 94 is connected with a fixed bearing 95 in an interference manner; the metal fixing seat 91 drives the rectangular rotating rod 93 and the cylindrical connector 94 to rotate, and the metal rotating block 81 is driven to rotate by the rectangular rotating rod 93.
In the above embodiment, specifically, the upper portion of the connecting oil passage 6 is screwed with the threaded communicating pipe 73 at the lower portion thereof, so as to facilitate the disassembly of the joint.
In the above embodiment, specifically, the lower portion of the gasoline cylinder 10 is screwed with the threaded communicating pipe 73 at the upper portion thereof, so as to facilitate the disassembly of the detachable sealing shell assembly 7.
In the above embodiment, specifically, the metal rotating block 81 is disposed between the bottom cone 71 and the top cone 72, and functions as a seal.
In the above embodiment, specifically, the connecting through holes 84 are respectively located at the upper and lower portions of the adjusting hole 82, so as to ensure smooth oil paths.
In the above embodiment, in particular, the outer sealing sleeve 83 is in communication with the inner sides of the bottom cone 71 and the top cone 72.
In the above embodiment, specifically, the inside of the threaded communication pipe 73 communicates with the inside of the adjustment hole 82.
In the above embodiment, specifically, the metal fixing seat 91 is integrally installed at the lower middle position of the bottom cone 71.
In the above embodiment, specifically, the output shaft of the micro rotary motor 92 is bolted to the lower portion of the rectangular rotary rod 93.
In the above embodiment, specifically, the outer ring of the fixed bearing 95 is embedded in the middle position of the inner side of the top cone cover 72, and the rectangular rotating rod 93 is inserted in the inner side of the metal rotating block 81.
Principle of operation
In the invention, a piston rod 3 pushes a lower piston to move downwards at the inner side of a working master cylinder 2, hydraulic oil at the inner side of the working master cylinder 2 enters the inner side of a gasoline cylinder 10 through a connecting oil way 6 and pushes a floating piston 11 to move upwards, the floating piston 11 compresses high-pressure nitrogen at the upper part, a metal fixing seat 91 drives a rectangular rotating rod 93 and a cylindrical connector 94 to rotate, the rectangular rotating rod 93 drives a metal rotating block 81 to rotate, the relative position between an adjusting hole 82 on the metal rotating block 81 and a threaded communicating pipe 73 is adjusted, the size of an oil way opening is adjusted, an outer sealing sleeve 83 can prevent the hydraulic oil from entering the inner side of a bottom conical shell 71, during the inner side disassembly maintenance, the threaded connection between the gasoline cylinder 10 and the threaded communicating pipe 73 is unscrewed, the gasoline cylinder 10 is disassembled, the threaded connection at the connecting part of the threaded communicating pipe 73 and the connecting oil way 6 is unscrewed, a detachable sealing shell assembly 7 is wholly disassembled, then bolts at the positions around the bottom conical shell 71 and a top conical cover 72 are detached, and the rotary valve mandrel assembly 8 is taken out for maintenance.
By using the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the invention.
Claims (5)
1. The detachable variable damping pneumatic hydraulic shock absorber comprises an integrated connecting seat (1), wherein a working master cylinder (2) is connected to the right side of the upper part of the integrated connecting seat (1) in a threaded manner, and a piston rod (3) penetrates through the upper part of the inner side of the working master cylinder (2); the upper part of the piston rod (3) is in threaded connection with an upper support (4), and the outer side of the piston rod (3) is sleeved with a buffer spring (5); the left side of the integrated connecting seat (1) is integrally provided with a connecting oil way (6), and a detachable sealing shell assembly (7) is fixed at the left upper part of the connecting oil way (6); the rotary valve mandrel assembly (8) is arranged on the inner side of the detachable sealing shell assembly (7), and the electric control driving frame assembly (9) is fixed on the lower part of the detachable sealing shell assembly (7); the detachable sealing shell assembly (7) comprises a bottom conical shell (71), wherein a top conical cover (72) is connected to the upper portion of the bottom conical shell (71) through bolts, and a threaded communicating pipe (73) is integrally fixed to the right lower portion of the bottom conical shell (71) and the right lower portion of the top conical cover (72) respectively; the other end of the threaded communicating pipe (73) is provided with a sealing gasket (74); the right side of the upper part of the detachable sealing shell assembly (7) is connected with a gasoline cylinder (10), and a floating piston (11) is inserted into the inner side of the gasoline cylinder (10); the rotary valve mandrel assembly (8) comprises a metal rotary block (81), an adjusting hole (82) is formed in the right side of the inside of the metal rotary block (81), an outer sealing sleeve (83) is respectively glued on the upper part and the lower part of the outer side of the metal rotary block (81), and a connecting through hole (84) is formed in the right side of the outer sealing sleeve (83); the upper and lower parts of the metal rotating block (81) are arranged in a conical shape.
2. The detachable variable damping pneumatic hydraulic shock absorber according to claim 1, wherein the electric control driving frame assembly (9) comprises a metal fixing seat (91), a miniature rotating motor (92) is connected to the lower portion of the metal fixing seat (91) through bolts, a rectangular rotating rod (93) is inserted into the inner side of the metal fixing seat (91), and a cylindrical connector (94) is integrally arranged on the upper portion of the rectangular rotating rod (93); the upper part of the outer side of the cylindrical connector (94) is connected with a fixed bearing (95) in an interference mode.
3. The detachable variable damping pneumatic hydraulic shock absorber according to claim 1, wherein a main piston is connected to the lower portion of the piston rod (3) through bolts, and the main piston is inserted into the inner side of the working master cylinder (2).
4. The detachable variable damping pneumatic hydraulic shock absorber as claimed in claim 1, wherein the buffer spring (5) is sleeved outside the working master cylinder (2), and the lower part is in contact with the upper part of the integral connecting seat (1), and the upper part is in contact with the lower part of the upper support (4).
5. The detachable variable damping pneumatic hydraulic shock absorber as claimed in claim 1, wherein the upper part of the connecting oil path (6) is in threaded connection with a threaded communication pipe (73) at the lower part thereof, and the lower part of the gasoline cylinder (10) is in threaded connection with the threaded communication pipe (73) at the upper part thereof.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210927421.3A CN115289169B (en) | 2022-08-03 | 2022-08-03 | Detachable variable damping inflatable hydraulic shock absorber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210927421.3A CN115289169B (en) | 2022-08-03 | 2022-08-03 | Detachable variable damping inflatable hydraulic shock absorber |
Publications (2)
Publication Number | Publication Date |
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CN115289169A CN115289169A (en) | 2022-11-04 |
CN115289169B true CN115289169B (en) | 2024-02-13 |
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CN202210927421.3A Active CN115289169B (en) | 2022-08-03 | 2022-08-03 | Detachable variable damping inflatable hydraulic shock absorber |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6105740A (en) * | 1997-07-23 | 2000-08-22 | Marzocchi S.P.A. | Hydraulic shock absorber |
US6131709A (en) * | 1997-11-25 | 2000-10-17 | Lord Corporation | Adjustable valve and vibration damper utilizing same |
CN2692005Y (en) * | 2004-04-21 | 2005-04-13 | 重庆长安减震器有限公司 | Adjustable compression damping aeration type rear shock absorber |
CN200978902Y (en) * | 2006-11-27 | 2007-11-21 | 江苏明星减震器有限公司 | Multi-stage adjustable resistance inflatable shock absorber for motorcycle |
CN201041213Y (en) * | 2007-05-25 | 2008-03-26 | 江苏大学 | Split type adjustable air chamber pressure multi-stage damping absorber |
CN203784343U (en) * | 2014-04-21 | 2014-08-20 | 尤隐森 | Self-sealing conical surface gate valve |
CN207864505U (en) * | 2017-12-28 | 2018-09-14 | 重庆瑞琪翔机械制造有限公司 | A kind of two-way damping-adjustable shock-absorber for four-wheel all-terrain vehicle |
CN209705150U (en) * | 2019-01-24 | 2019-11-29 | 扬州德威尔汽车减震器有限公司 | A kind of variable damping inflated hydraulic damper |
CN114046332A (en) * | 2021-11-17 | 2022-02-15 | 浙江路得坦摩汽车部件股份有限公司 | Independent exhaust and pressure relief shock absorber |
CN215908304U (en) * | 2021-05-31 | 2022-02-25 | 天津中晟液压技术有限公司 | Inflatable hydraulic shock absorber |
-
2022
- 2022-08-03 CN CN202210927421.3A patent/CN115289169B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6105740A (en) * | 1997-07-23 | 2000-08-22 | Marzocchi S.P.A. | Hydraulic shock absorber |
US6131709A (en) * | 1997-11-25 | 2000-10-17 | Lord Corporation | Adjustable valve and vibration damper utilizing same |
CN2692005Y (en) * | 2004-04-21 | 2005-04-13 | 重庆长安减震器有限公司 | Adjustable compression damping aeration type rear shock absorber |
CN200978902Y (en) * | 2006-11-27 | 2007-11-21 | 江苏明星减震器有限公司 | Multi-stage adjustable resistance inflatable shock absorber for motorcycle |
CN201041213Y (en) * | 2007-05-25 | 2008-03-26 | 江苏大学 | Split type adjustable air chamber pressure multi-stage damping absorber |
CN203784343U (en) * | 2014-04-21 | 2014-08-20 | 尤隐森 | Self-sealing conical surface gate valve |
CN207864505U (en) * | 2017-12-28 | 2018-09-14 | 重庆瑞琪翔机械制造有限公司 | A kind of two-way damping-adjustable shock-absorber for four-wheel all-terrain vehicle |
CN209705150U (en) * | 2019-01-24 | 2019-11-29 | 扬州德威尔汽车减震器有限公司 | A kind of variable damping inflated hydraulic damper |
CN215908304U (en) * | 2021-05-31 | 2022-02-25 | 天津中晟液压技术有限公司 | Inflatable hydraulic shock absorber |
CN114046332A (en) * | 2021-11-17 | 2022-02-15 | 浙江路得坦摩汽车部件股份有限公司 | Independent exhaust and pressure relief shock absorber |
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Publication number | Publication date |
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CN115289169A (en) | 2022-11-04 |
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