WO1999047831A1 - Shock-absorber with multiple air cushions - Google Patents

Shock-absorber with multiple air cushions Download PDF

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Publication number
WO1999047831A1
WO1999047831A1 PCT/CN1999/000036 CN9900036W WO9947831A1 WO 1999047831 A1 WO1999047831 A1 WO 1999047831A1 CN 9900036 W CN9900036 W CN 9900036W WO 9947831 A1 WO9947831 A1 WO 9947831A1
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WIPO (PCT)
Prior art keywords
shock absorber
pipe
pressure
buffer
elastic
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Application number
PCT/CN1999/000036
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French (fr)
Chinese (zh)
Inventor
Daniel Huang
Original Assignee
Daniel Huang
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Daniel Huang filed Critical Daniel Huang
Priority to AU28246/99A priority Critical patent/AU2824699A/en
Publication of WO1999047831A1 publication Critical patent/WO1999047831A1/en

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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
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
    • F16F9/0436—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by being contained in a generally closed space

Definitions

  • the invention relates to a shock absorber, in particular to a shock absorber using only gas.
  • Buffer shock absorbers are widely used in vehicles or other various sports equipment. By virtue of its cushioning impact, it can reduce the impact of the impact on the machine or the human body, thereby prolonging the use of the machine and avoiding human injury.
  • the shock absorber is composed of inner and outer «groups, and the elastic buffer elements such as SA springs and hydraulic oil glue can be used in the groove formed between them. Do not touch the inner force at a predetermined force. When an external force acts, cooperate with the elastic element. The role of the inner and outer parts produces relatively telescopic movements, which can gradually offset the external force during its repeated movements, thereby reducing the possible impact of the external force, the elastic cushioning effect, and the elastic elements of the traditional shock absorber have the following defects:
  • Hydraulic buffer shock absorbers mainly use hydraulic oil to enter and return oil to achieve buffer shock absorption effects, the structure is complex, and after a period of use, there will be oil leakage problems ⁇ affect its avoidance «3 ⁇ 4 *.
  • the spring-type shock absorber mainly uses the elastic expansion and contraction of the spring to eliminate the impact of external force. Its structure is simple, but because the spring is prone to noise during the expansion and contraction, it is also prone to elastic fatigue.
  • Rubber-type shock absorbers the elasticity of rubber elements ⁇ 1
  • the combination is set to a constant elastic coefficient, which cannot be adjusted for different needs.
  • shock absorbers of different specifications or the internal elastic components which is inconvenient to use.
  • the purpose of the present invention is to provide a multi-cushion combined buffer shock absorber, which can completely adjust the buffer elastic pressure completely according to actual needs. Its special '14 is not affected by weather and temperature, and it does not cause elasticity problems. .
  • the multi-air-cushion combined buffer shock absorber of the present invention is capable of assembling at least two independent or independent air cushions with different elastic pressure values in the inner and outer Ht pieces to form the elastic buffer of the shock absorber. element.
  • a gas-enclosed buffer shock absorber capable of adjusting the pressure of the pressure chamber inside the shock absorber may be appropriately provided with a pressure adjustment device of a W pumping and filling function, and a closed circuit is formed by a gas pipe connection.
  • the pressure adjusting device is composed of a pipe fitting, a sleeve and a valve ff «.
  • a screw hole is prefabricated in the center of the valve sleeve.
  • the valve piece is provided with a screw section and the screw hole to screw the valve sleeve.
  • the closed end of the fitting is appropriate.
  • the hole is a gas pipe and a shock absorber.
  • the valve is provided with a piston at one end of the ⁇ fitting and a rubber ring is fitted to the inner wall of the fitting for air-tight fitting.
  • the pipe for pressure adjustment can be transparent.
  • the fittings are provided with scales on their surfaces.
  • the air cushion of the present invention can fill shock absorbers with different pressures to achieve different elastic pressure values
  • Steps are to install an air valve on the fittings or adjust the pressure »3 ⁇ 4 into different cushion elastic pressures for air cushion addition and decompression, which can be adjusted arbitrarily as required, and the air cushion is not affected by weather, temperature expansion, and can be effective ⁇
  • the elastic pressure value eliminates the defects such as elastic fatigue and noise of the ⁇ -transducer.
  • Fig. 1 is a schematic diagram of a multi-air cushion combined shock absorber according to the present invention (1) c
  • Fig. 2 is a structural schematic diagram (2) of the multi-cushion combined buffer shock absorber of the present invention.
  • Fig. 3 is a schematic structural diagram of an additional pressure adjusting device according to the present invention.
  • FIG. 4 is a schematic diagram of the use of the additional pressure adjusting device of the present invention.
  • the closed buffer shock absorber is mainly composed of a night piece 10, an inner pipe piece 20, a soft rubber cushion «21, and a sleeve shock absorber.
  • the two sides of the envelope 11 are locked, and it is difficult to assemble the shock absorber when the envelope ⁇ and the auxiliary piece are knotted together.
  • the pressure chamber 123 ⁇ 4 ⁇ formed inside the Hf piece 10 is first Appropriate elastic buffer element, which is used as the buffer interface between inner and inner parts 20 and 10, rnm & m
  • the exposed shock absorber is made up of 20 and 10 inner and outer pieces. Unlike the closed type, the inner and outer Ht pieces 20 and 103 ⁇ 4 are each provided with a retaining ring 22, 16 and the second retaining ring Elastic cushioning elements can be set between 22 and 16 to dampen the shock absorption effect.
  • the elastic cushioning element is composed of two or more independent air cushions 13 and 14 which are the same or different, and the air cushions 13 and 14 may be a middle-opening type, a ring type or a flat closed type.
  • Different elastic pressure values can be obtained by filling with different amplitudes of pressure, and because the gas filled inside the air cushions 13 and 14 can not be affected by weather and temperature, and can maintain the stability of its elastic pressure, it can cooperate with the Groups of 20 and 10 are equipped with shock absorbers with different elasticity to meet the needs of different applications without elastic fatigue problems.
  • an air width 15 is appropriately set in the evening piece.
  • the air valve 15 can cooperate with an air extraction device (not shown) to evacuate the internal pressure chamber 12 of the shock absorber to adjust its internal pressure to make the pressure chamber. 12 forms a reduced pressure 3 ⁇ 43 ⁇ 4, which results in closer abutment of the air cushions 13 and 14, so that the elastic pressure value is increased, so that 3 ⁇ 4t is used for a larger external force action type.
  • a pressure adjustment with a suction and filling function can be added to the shock absorber ⁇ 3 ⁇ 4 to adjust the elastic pressure value.
  • Pipe fittings 30, A valve sleeve 32 and a valve member 34 are assembled into a set.
  • An air hole 31 is provided at a suitable position of the closed end of the pipe member 30 for connecting the air pipe and the shock absorber.
  • the grommet member 34 is provided with a piston portion 35 at the end of the gA pipe member 30 and embedded with a The rubber ring 36 and the wall of the pipe fitting 3 are air-tightly fitted.
  • a screw hole 33 is pre-made in the center of the valve sleeve 32 that seals the opening of the pipe fitting 30 to match the screwing of the screw 37 of the valve fitting 34 to change the piston portion 35 and the pipe fitting.
  • the displacement relationship of 30 forms the depressurizing or depressurizing effect on the suction or filling of the shock absorber, and the degree of pressure on the surface of the pipe 30 can be read in order to read the pressure of suction and filling.
  • the cooperation between the shock absorber and the pressure adjustment is to connect the shock absorber and the pressure adjustment through a pipe 40 to form a closed circuit.
  • the valve member 34 and the screw 37 are used to change the piston portion of the valve sleeve 32. 35 and pipe fitting 30; when the valve member 34 is rotated outward, the piston portion 35 will then form an exhaust air, and the air in the shock absorber pressure chamber 12 will be extracted to form an air cushion decompression effect, causing the internal air cushion 13, The closer the contact is, the more the elastic pressure value is increased. Jinli is suitable for a large external force.
  • the valve 34 is inwardly SIA, the piston 35 is compressed inward to form a filling gas.
  • An air cushion pressurizing effect is formed in the pressure chamber 12 of the vibrator, which causes the inner air cushions 13 and 14 to be less closely abutted and reduces the elastic pressure value, which can be applied to a small external force; the cooperation of the pressure adjustment device makes the above
  • the shock absorber can adjust its elastic pressure value according to the needs of different applications.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

The present invention provides a shock-absorber with multiple air cushions, which consists of at least two identical or different superimposed air cushions capable of being charged with gas of different pressure or provided with air valves or pressure adjusting means for providing different buffer pressure.

Description

多气垫组合式缓冲避震器 技术领域  Multi-air cushion combined shock absorber TECHNICAL FIELD
本发明涉及一种减震器，特别是一种只使用气体的减震器。  The invention relates to a shock absorber, in particular to a shock absorber using only gas.
技术背景  technical background
缓冲避震器广 ¾i用于车辆或其他各式运动器材，藉其缓冲弹性 ^卜力的冲 击， 降低冲击对机件或人体的影响，从而延长机件使用 免人体伤害。  Buffer shock absorbers are widely used in vehicles or other various sports equipment. By virtue of its cushioning impact, it can reduce the impact of the impact on the machine or the human body, thereby prolonging the use of the machine and avoiding human injury.
缓冲避震器由内、夕 «组而成， 在其间形成的槽室内可 SA弹簧、液压油 胶等弹性缓冲元件，碰内夕 别繊在预定受力处，在外力作用时，配合弹 性元件的作用使内、 夕 件产生相对伸縮动作，在其反复动作过程中可逐渐将外力 抵消， 因而降低外力作用可能 的冲击， 弹性缓冲功效，伹传统缓冲避震器 的弹性元件存在下列缺失：  The shock absorber is composed of inner and outer «groups, and the elastic buffer elements such as SA springs and hydraulic oil glue can be used in the groove formed between them. Do not touch the inner force at a predetermined force. When an external force acts, cooperate with the elastic element. The role of the inner and outer parts produces relatively telescopic movements, which can gradually offset the external force during its repeated movements, thereby reducing the possible impact of the external force, the elastic cushioning effect, and the elastic elements of the traditional shock absorber have the following defects:
1、 油压式缓冲避震器， 主要是藉液压油进、 回油动作实现缓冲避震效果，结 构复杂， 且使用一段时间后，会有漏油问∞影响其避«¾*。  1. Hydraulic buffer shock absorbers mainly use hydraulic oil to enter and return oil to achieve buffer shock absorption effects, the structure is complex, and after a period of use, there will be oil leakage problems ∞ affect its avoidance «¾ *.
2、弹簧式缓冲避震器，主要是利用弹簧的弹性伸缩作用消除外力冲击，其结 构简单，但因弹簧在伸缩动作时易产生噪声，且易有弹性疲劳问题。  2. The spring-type shock absorber mainly uses the elastic expansion and contraction of the spring to eliminate the impact of external force. Its structure is simple, but because the spring is prone to noise during the expansion and contraction, it is also prone to elastic fatigue.
3、橡胶式缓冲避震器， 橡胶元件的弹性^ 1|避«¾^，但以橡胶材质特 性而言，很容易受温度影响麵，使其避 变坏。  3. Rubber-type shock absorbers, the elasticity of rubber elements ^ 1 | Avoid «¾ ^, but in terms of the characteristics of rubber materials, it is easy to be affected by temperature, making it avoid damage.
除± ^问题外， 其组配 为设定不变的弹性系数，无法适应不同需求调整， 如需获得不同弹性缓冲效果， 只得更换不同规格避震器或其内部的弹性元件，致使 用不便。  Except for the problem of ± ^, the combination is set to a constant elastic coefficient, which cannot be adjusted for different needs. To obtain different elastic buffering effects, it is necessary to replace shock absorbers of different specifications or the internal elastic components, which is inconvenient to use.
发明目的  Object of the invention
本发明的目的是^^共一种多气垫组合式缓冲避震器， 它可完全视实际用 求任意调整缓冲弹性压力，其特' 14不受气候、温度影响，且不会发生弹 劳问题。  The purpose of the present invention is to provide a multi-cushion combined buffer shock absorber, which can completely adjust the buffer elastic pressure completely according to actual needs. Its special '14 is not affected by weather and temperature, and it does not cause elasticity problems. .
发明内容  Summary of the Invention
本发明一种多气垫组合式缓冲避震器， 是在内、 夕 Ht件可组配^ 不同的弹性 压力值的至少两个相同或不相同的独立气垫，构成该缓冲避震器的弹性缓冲元件。  The multi-air-cushion combined buffer shock absorber of the present invention is capable of assembling at least two independent or independent air cushions with different elastic pressure values in the inner and outer Ht pieces to form the elastic buffer of the shock absorber. element.
弹性缓冲元件置于内部构成封闭式缓冲避震器 ^！，在其夕 件适当 设一 可调整避震器内部压力室压力的气 封闭式缓冲避震器可设一: W抽、 灌气功能 的压力调整装置， 并藉气管连结构成封闭回路。 压力调整装置由一管件、一阖套和 阀 ff«组而成， 阀套中心预制一螺孔， 阀件设螺杆段与螺孔螺合， 阀套封合管件开 口，管件封闭端适当 ^；孔以气管和避震器 ¾¾， 阀件在 §Λ管件一端设一 活塞部并嵌设一胶环和管件内壁呈气密配合， 压力调整 ¾¾的管件可为透明管件， 并在其表面设有刻度。 The elastic buffer element is placed inside to form a closed buffer shock absorber ^! A gas-enclosed buffer shock absorber capable of adjusting the pressure of the pressure chamber inside the shock absorber may be appropriately provided with a pressure adjustment device of a W pumping and filling function, and a closed circuit is formed by a gas pipe connection. The pressure adjusting device is composed of a pipe fitting, a sleeve and a valve ff «. A screw hole is prefabricated in the center of the valve sleeve. The valve piece is provided with a screw section and the screw hole to screw the valve sleeve. The closed end of the fitting is appropriate. The hole is a gas pipe and a shock absorber. The valve is provided with a piston at one end of the §Λ fitting and a rubber ring is fitted to the inner wall of the fitting for air-tight fitting. The pipe for pressure adjustment can be transparent. The fittings are provided with scales on their surfaces.
本发明优点： 本发明藉气垫可填充不同压力达成不同弹性压力值的避震器，并 Advantages of the present invention: The air cushion of the present invention can fill shock absorbers with different pressures to achieve different elastic pressure values, and
¾ ^步在管件上设气阀或配合压力调整»¾成气垫加、 减压 共不同缓冲弹 性压力，可按需要任意调整而 良 应性， 气垫不受气候、温膨响，并能有 效^ 弹性压力值， 消除了传 β震器的弹性疲劳和噪声等缺陷。 ¾ ^ Steps are to install an air valve on the fittings or adjust the pressure »¾ into different cushion elastic pressures for air cushion addition and decompression, which can be adjusted arbitrarily as required, and the air cushion is not affected by weather, temperature expansion, and can be effective ^ The elastic pressure value eliminates the defects such as elastic fatigue and noise of the β-transducer.
附图说明  BRIEF DESCRIPTION OF THE DRAWINGS
图 1是本发明多气垫组合式缓冲避震器驗示意图（一） c  Fig. 1 is a schematic diagram of a multi-air cushion combined shock absorber according to the present invention (1) c
图 2是本发明多气垫组合式缓冲避震器结构示意图（二） 。  Fig. 2 is a structural schematic diagram (2) of the multi-cushion combined buffer shock absorber of the present invention.
图 3是本发明可附加压力调整装置的结构示意图。  Fig. 3 is a schematic structural diagram of an additional pressure adjusting device according to the present invention.
图 4是本发明可附加压力调整装置的使用示意图。 FIG. 4 is a schematic diagram of the use of the additional pressure adjusting device of the present invention.
最佳实施例  Preferred embodiment
参照图 1、 2， 封闭式缓冲避震器， 主要是由一夕 件 10、 一内管件 20、一具 软胶垫的 «21及一封套 避震器 ， 先将内管件 20的¾¾21分别自封套 11 两侧 锁结， 碰封套 Π和夕 件輔结而完成避震器難的组配， 并在封套 11 和夕 Hf件 10锁结时， 先在夕 Hf件 10内部形成的压力室 12¾Λ适当弹性缓冲元件， 以 其作为内、夕 件 20、 10间的缓冲介面， rnm& m  Referring to FIGS. 1 and 2, the closed buffer shock absorber is mainly composed of a night piece 10, an inner pipe piece 20, a soft rubber cushion «21, and a sleeve shock absorber. The two sides of the envelope 11 are locked, and it is difficult to assemble the shock absorber when the envelope Π and the auxiliary piece are knotted together. When the envelope 11 and the Hf piece 10 are locked, the pressure chamber 12¾Λ formed inside the Hf piece 10 is first Appropriate elastic buffer element, which is used as the buffer interface between inner and inner parts 20 and 10, rnm & m
外露式缓冲避震器，是由内、夕 件 20、 10套组而成， 和封闭式不同的是， 其 内、夕 Ht件 20、 10¾各设有一挡环 22、 16， 在二挡环 22、 16间可套置弹性缓冲元 件， 以翻缓冲避震效果。  The exposed shock absorber is made up of 20 and 10 inner and outer pieces. Unlike the closed type, the inner and outer Ht pieces 20 and 10¾ are each provided with a retaining ring 22, 16 and the second retaining ring Elastic cushioning elements can be set between 22 and 16 to dampen the shock absorption effect.
其中弹性缓冲元件由两个或两个以上相同或不相同的独立气垫 13、 14并组构成， 气垫 13、 14可为中间开孔型式、 环 式或为平面密闭型式等， 在气垫 13、 14中可 作不同幅度的压力充填而获得不同的弹性压力值， 且因气垫 13、 14内部充填的气体 可不受气候、温 ffi^响， 耐维持其弹性压力的稳定， 据此可配合内、夕 件 20、 10组配成不同弹性的缓冲避震器， 以供不同用途需求， 且不会有弹性疲劳问题发生。  The elastic cushioning element is composed of two or more independent air cushions 13 and 14 which are the same or different, and the air cushions 13 and 14 may be a middle-opening type, a ring type or a flat closed type. Different elastic pressure values can be obtained by filling with different amplitudes of pressure, and because the gas filled inside the air cushions 13 and 14 can not be affected by weather and temperature, and can maintain the stability of its elastic pressure, it can cooperate with the Groups of 20 and 10 are equipped with shock absorbers with different elasticity to meet the needs of different applications without elastic fatigue problems.
针对封闭式缓冲避震器， 在夕 件适当 设一气阔 15， 气阀 15可配合抽气装 置(图未示)对避震器内部压力室 12进行抽气以调整其内部压力， 使压力室 12形成减 压¾¾而导致其气垫 13、 14的贴抵程度更为紧密， 据以使其弹性压力值获得提高， 使之 ¾t用于较大的外力作用型态。  For the closed buffer shock absorber, an air width 15 is appropriately set in the evening piece. The air valve 15 can cooperate with an air extraction device (not shown) to evacuate the internal pressure chamber 12 of the shock absorber to adjust its internal pressure to make the pressure chamber. 12 forms a reduced pressure ¾¾, which results in closer abutment of the air cushions 13 and 14, so that the elastic pressure value is increased, so that ¾t is used for a larger external force action type.
参照图 3、 4 ,针对封闭式缓冲避震器内部的压力调整， 可在缓冲避震器附加 一具抽、灌气功能的压力调整 ^¾， 以调整弹性压力值，该»可由"^明管件 30、 一阀套 32和阀件 34套组而成， 管件 30封闭端的适当位置设一气孔 31供以气管和避震 器连结， 阓件 34在 gA管件 30—端设一活塞部 35并嵌设一胶环 36和管件 3呐壁呈气 密配合， 在封合管件 30开口的阀套 32中心预制成螺孔 33, 以配合阀件 34的螺杆 37的 螺合而可改变活塞部 35和管件 30的位移关系， 据此形成对避震器的抽气或灌气的加、 减压作用， 并可在管件 30表面 度以 便读取其抽、 灌气的压力值。 Referring to Figures 3 and 4, for the pressure adjustment inside the closed shock absorber, a pressure adjustment with a suction and filling function can be added to the shock absorber ^ ¾ to adjust the elastic pressure value. Pipe fittings 30, A valve sleeve 32 and a valve member 34 are assembled into a set. An air hole 31 is provided at a suitable position of the closed end of the pipe member 30 for connecting the air pipe and the shock absorber. The grommet member 34 is provided with a piston portion 35 at the end of the gA pipe member 30 and embedded with a The rubber ring 36 and the wall of the pipe fitting 3 are air-tightly fitted. A screw hole 33 is pre-made in the center of the valve sleeve 32 that seals the opening of the pipe fitting 30 to match the screwing of the screw 37 of the valve fitting 34 to change the piston portion 35 and the pipe fitting. The displacement relationship of 30 forms the depressurizing or depressurizing effect on the suction or filling of the shock absorber, and the degree of pressure on the surface of the pipe 30 can be read in order to read the pressure of suction and filling.
缓冲避震器和压力调整¾¾的配合是， 藉 "^管 40连结避震器和压力调整^ g 形成一封闭回路， 利用阀件 34螺杆 37在阀套 32的 ^ I出以改变其活塞部 35和管 件 30的 ； 当阀件 34向外旋出时， 活塞部 35随之向外形成抽气， 将避震器压力室 12内空气抽出形成气垫减压效果， 造成内部气垫 13、 ： 彼此的贴抵程度更紧密， 使 其弹性压力值增加， 进丽适用于较大的作用外力； 当阀件 34向内 SIA时， 活塞部 35向内压縮而形成灌气， 将气体打入避震器的压力室 12中形成气垫加压效果， 造成 内部气垫 13、 14的贴抵较不紧密而降低其弹性压力值， 可适用于较小的作用外力； 藉压力调整装置的配合， 使上述缓冲避震器能按不同用途需求进行其弹性压力值的 调整。  The cooperation between the shock absorber and the pressure adjustment is to connect the shock absorber and the pressure adjustment through a pipe 40 to form a closed circuit. The valve member 34 and the screw 37 are used to change the piston portion of the valve sleeve 32. 35 and pipe fitting 30; when the valve member 34 is rotated outward, the piston portion 35 will then form an exhaust air, and the air in the shock absorber pressure chamber 12 will be extracted to form an air cushion decompression effect, causing the internal air cushion 13, The closer the contact is, the more the elastic pressure value is increased. Jinli is suitable for a large external force. When the valve 34 is inwardly SIA, the piston 35 is compressed inward to form a filling gas. An air cushion pressurizing effect is formed in the pressure chamber 12 of the vibrator, which causes the inner air cushions 13 and 14 to be less closely abutted and reduces the elastic pressure value, which can be applied to a small external force; the cooperation of the pressure adjustment device makes the above The shock absorber can adjust its elastic pressure value according to the needs of different applications.

Claims

权 利 要 求 Rights request
1、一种多气垫组合式缓冲避震器， 由内、 夕卜管 ί«ω¾^， 在内、 夕 件 间可套 git当弹' 缓冲元件构成内、 夕 件间的缓冲介面，其特征在于： 内、夕 Hf 件可组配貝 不同的弹性压力值的至少两个相同或不相同的独立气垫，构成该缓冲 避震器的弹性缓冲元件。 1. A multi-cushion combined buffer shock absorber, which is composed of inner and outer pieces, and can be set between the inner and outer pieces. The cushioning element constitutes a buffer interface between the inner and outer pieces. Its characteristics The reason is that the inner and outer Hf pieces can be combined with at least two independent air cushions of the same or different values of different elastic pressure values to form an elastic cushioning element of the cushioning shock absorber.
2、根据权利要求 的缓冲避震器， 其特征是弹性缓冲元件置于内部构成 封闭式缓冲避震器结构，在其夕 件适当位置设一可调整避震器内部压力室压力的 气阀。  2. A shock absorber according to claim, characterized in that the elastic shock absorbing element is placed inside to form a closed shock absorber structure, and an air valve capable of adjusting the pressure of the pressure chamber inside the shock absorber is provided at an appropriate position of the shock absorber.
3、根据权利要求 1赃的缓冲避震器， 其特征是封闭式缓冲避震器可设一具 有抽、 灌气功能的压力调整 ¾g，并藉气管连结构成封闭回路。  3. The buffer shock absorber according to claim 1, characterized in that the closed buffer shock absorber can be provided with a pressure adjustment function of ¾ g with a function of pumping and filling, and is connected by a gas pipe to form a closed circuit.
4、根据权利要求 3赃的缓冲避震器， 其特征是压力调整 ¾fi由"^件、一 阀套和阀件套组而成， 阀套中心预制一螺孔， 阔件设螺杆段与螺孔螺合， 阀套封合 管件开口，管件封闭端适当 设一气孔以气管和避震器连结， 闽件在置入管件一 端设一活塞部并嵌设一胶环和管件内壁呈气密配合。  4. A buffer shock absorber according to claim 3, characterized in that the pressure adjustment ¾fi is composed of "^ pieces, a valve sleeve and a valve sleeve set, a screw hole is prefabricated in the center of the valve sleeve, and a screw section and a screw are provided in the wide piece. The holes are screwed together, and the valve sleeve seals the opening of the pipe. The closed end of the pipe is appropriately provided with an air hole to connect the air pipe and the shock absorber. The piston is provided with a piston at one end of the pipe and an rubber ring is embedded in the pipe. .
5、根据权利要求 3或 4舰的缓冲避震器，其特征是压力调整 的管件可 为透明管件，并在其表面设有刻度。  A buffer shock absorber according to claim 3 or 4, characterized in that the pressure-adjusting pipe member can be a transparent pipe member and a scale is provided on the surface thereof.
PCT/CN1999/000036 1998-03-16 1999-03-15 Shock-absorber with multiple air cushions WO1999047831A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU28246/99A AU2824699A (en) 1998-03-16 1999-03-15 Shock-absorber with multiple air cushions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN98223479U CN2331789Y (en) 1998-03-16 1998-03-16 Multi-air-cushion combined buffer shock-absorber
CN98223479.1 1998-03-16

Publications (1)

Publication Number Publication Date
WO1999047831A1 true WO1999047831A1 (en) 1999-09-23

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AU (1) AU2824699A (en)
WO (1) WO1999047831A1 (en)

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CN104930103B (en) * 2015-05-26 2018-06-22 德清信丰机械有限公司 A kind of motor vehicle shock absorber
CN106122338A (en) * 2016-08-30 2016-11-16 慈溪市博力车业有限公司 A kind of air sac type damping device and using method thereof
CN107176232A (en) * 2017-06-08 2017-09-19 吴武坡 A kind of air bag bumper
CN108662400B (en) * 2018-05-23 2020-11-10 乐清旭耀科技有限公司 Grid is optimized and is used workstation with prevent that equipment from connecting to fall off

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CN87104215A (en) * 1986-06-16 1987-12-30 皮奇尼铝业公司 The inflated suspension of the vibrating squeezer that production carbon piece is used
US4930336A (en) * 1987-01-22 1990-06-05 Kenneth L. Smedberg Single action cylinder
DE3840352A1 (en) * 1988-11-30 1990-06-21 Irmscher Gmbh Single-tube gas-pressure shock absorber
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Publication number Priority date Publication date Assignee Title
EP1219856A1 (en) * 2000-12-28 2002-07-03 Daniel Huang Shock absorbing device having air envelopes

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CN2331789Y (en) 1999-08-04

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