CN104747641A - Two-way extension air spring - Google Patents

Two-way extension air spring Download PDF

Info

Publication number
CN104747641A
CN104747641A CN201410351436.5A CN201410351436A CN104747641A CN 104747641 A CN104747641 A CN 104747641A CN 201410351436 A CN201410351436 A CN 201410351436A CN 104747641 A CN104747641 A CN 104747641A
Authority
CN
China
Prior art keywords
air spring
cylinder body
piston rod
way extension
extension air
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.)
Pending
Application number
CN201410351436.5A
Other languages
Chinese (zh)
Inventor
周鸿钧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201410351436.5A priority Critical patent/CN104747641A/en
Publication of CN104747641A publication Critical patent/CN104747641A/en
Pending legal-status Critical Current

Links

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
    • 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
    • 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
    • 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
    • F16F9/3221—Constructional features of piston rods
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention relates to a two-way extension air spring. The two-way extension air spring is provided with a cylinder body, two ends of the cylinder body are provided with piston rods, a dust-proof sealing device is arranged on the side wall where the piston rod is connected with the cylinder body, two ends of the piston rods are provided with connecting end heads, and a protective layer is sprayed on the surface of the cylinder body. The structure is simple, the use is convenient, the two-way extension air spring is suitable for all kinds of occasions, multiple air springs are not needed to be used together, the production cost is lowered, and the maintenance is convenient.

Description

A kind of Biextension air spring
Technical field
The present invention relates to a kind of Biextension air spring.
Background technique
Air spring is a kind of industry accessories that can play support, buffering, braking, the highly function such as adjustment and angle adjustment, it is in fields such as automobile, aviation, medical apparatus, furniture, machine-building, what the air spring of present use often used be one stretches head, but cannot usage requirement be met in some occasions, multiple air spring is needed to use together, cost is caused to increase, simultaneously inconvenient maintenance.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiency in prior art, provides a kind of Biextension air spring easy to use.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Biextension air spring; there is cylinder body; the two ends of described cylinder body are provided with piston rod; the side-walls of piston rod and cylinder body is provided with dust-proof sealing device; the two ends of piston rod are provided with connection end, and the surface of cylinder body is coated with protective layer.
Further, described connection end adopts engineering plastics to make.
The invention has the beneficial effects as follows: structure of the present invention is simple, easy to use, meets various occasion, need not use together by multiple air spring, reduce cost of production, convenient for maintaining.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
1. cylinder bodies, 2. piston rod, 3. dust-proof sealing device, 4. connection end, 5. protective layer in figure.
Embodiment
The present invention is further illustrated with preferred embodiment by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
A kind of Biextension air spring as shown in Figure 1; there is cylinder body 1; the two ends of cylinder body 1 are provided with piston rod 2; piston rod 2 is provided with dust-proof sealing device 3 with the side-walls of cylinder body 1; the two ends of piston rod 2 are provided with connection end 4; the surface of cylinder body 1 is coated with protective layer 5, connection end 4 adopts engineering plastics to make.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (2)

1. a Biextension air spring; there is cylinder body (1); it is characterized in that: the two ends of described cylinder body (1) are provided with piston rod (2); piston rod (2) is provided with dust-proof sealing device (3) with the side-walls of cylinder body (1); the two ends of piston rod (2) are provided with connection end (4), the surface of cylinder body (1) are coated with protective layer (5).
2. a kind of Biextension air spring according to claim 1, is characterized in that: described connection end (4) adopts engineering plastics to make.
CN201410351436.5A 2014-07-22 2014-07-22 Two-way extension air spring Pending CN104747641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410351436.5A CN104747641A (en) 2014-07-22 2014-07-22 Two-way extension air spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410351436.5A CN104747641A (en) 2014-07-22 2014-07-22 Two-way extension air spring

Publications (1)

Publication Number Publication Date
CN104747641A true CN104747641A (en) 2015-07-01

Family

ID=53587764

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410351436.5A Pending CN104747641A (en) 2014-07-22 2014-07-22 Two-way extension air spring

Country Status (1)

Country Link
CN (1) CN104747641A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583844A1 (en) * 1985-06-21 1986-12-26 Ecodis Jack which can be applied to opening and closing smoke outlets especially
CN1121789A (en) * 1994-07-28 1996-05-08 萨斯派康巴特公司 Longitudinally adjustable gas spring for chairs, tables or the like
CN2748699Y (en) * 2004-11-18 2005-12-28 应端忠 Two-way gas spring
EP1672243A1 (en) * 2004-12-15 2006-06-21 Stabilus GmbH Piston-cylinder unit and method for its manufacture
CN101307806A (en) * 2008-06-09 2008-11-19 顿力集团有限公司 Dual spindle gas spring and working method
US20100107867A1 (en) * 2008-10-30 2010-05-06 Hyundai Motor Company Lifter for lid of motor vehicle
CN101874164A (en) * 2008-01-11 2010-10-27 格拉斯有限责任两合公司 Damping device with multistage variable damping characteristics, particularly for damping moveable furniture parts

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583844A1 (en) * 1985-06-21 1986-12-26 Ecodis Jack which can be applied to opening and closing smoke outlets especially
CN1121789A (en) * 1994-07-28 1996-05-08 萨斯派康巴特公司 Longitudinally adjustable gas spring for chairs, tables or the like
CN2748699Y (en) * 2004-11-18 2005-12-28 应端忠 Two-way gas spring
EP1672243A1 (en) * 2004-12-15 2006-06-21 Stabilus GmbH Piston-cylinder unit and method for its manufacture
CN101874164A (en) * 2008-01-11 2010-10-27 格拉斯有限责任两合公司 Damping device with multistage variable damping characteristics, particularly for damping moveable furniture parts
CN101307806A (en) * 2008-06-09 2008-11-19 顿力集团有限公司 Dual spindle gas spring and working method
US20100107867A1 (en) * 2008-10-30 2010-05-06 Hyundai Motor Company Lifter for lid of motor vehicle

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150701