CN202971502U - Gas spring fastening screw - Google Patents

Gas spring fastening screw Download PDF

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Publication number
CN202971502U
CN202971502U CN 201220556070 CN201220556070U CN202971502U CN 202971502 U CN202971502 U CN 202971502U CN 201220556070 CN201220556070 CN 201220556070 CN 201220556070 U CN201220556070 U CN 201220556070U CN 202971502 U CN202971502 U CN 202971502U
Authority
CN
China
Prior art keywords
screw
spring fastening
utility
model
fastening screw
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.)
Expired - Fee Related
Application number
CN 201220556070
Other languages
Chinese (zh)
Inventor
张建元
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 CN 201220556070 priority Critical patent/CN202971502U/en
Application granted granted Critical
Publication of CN202971502U publication Critical patent/CN202971502U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a gas spring fastening screw which comprises a screw rod and a screw thread formed on the periphery of the screw rod. The top end of the screw rod is provided with a closing handle; the screw rod is sleeved with a sealing ring; and the outer surface of the screw thread is provided with a wear-resistant protection layer. The gas spring fastening screw disclosed by the utility model has a simple structure, is convenient to use and has excellent sealing performance; the sealing ring is convenient to replace without the aid of any tool; and working efficiency is improved.

Description

A kind of air spring fastening screw
Technical field
The utility model relates to the technical field of air spring, especially a kind of air spring fastening screw.
Background technique
Fastening piece is as a kind of link, and is of many uses.Air spring needs to guarantee the sealing in cylinder body in manufacture process, existing fastener constructions generally comprises threaded stem and screw terminal, with the time by smear on threaded stem sealer realize the sealing, easily cause leaking gas in cylinder body after using for a long time, affected the normal use of air spring.
The model utility content
The technical problems to be solved in the utility model is: for solving the problem of above-mentioned existence, provide a kind of air spring fastening screw, solve the problem that normal screws in use easily causes air spring gas leakage.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of air spring fastening screw, comprise lead screw and the screw thread that is arranged on the lead screw periphery, and the top of lead screw is provided with closing handle, is arranged with seal ring on lead screw.
In order to improve wear resistance, thread outer surface is provided with wear-resistant protective layer.
The beneficial effects of the utility model are, a kind of air spring fastening screw of the present utility model is simple in structure, easy to use, has good sealability, and seal ring is changed convenient, need to by any instrument, not improve working efficiency.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
1. lead screw in figure, 2. screw thread, 3. closing handle, 4. seal ring.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
A kind of air spring fastening screw as shown in Figure 1 comprises lead screw 1 and the screw thread 2 that is arranged on lead screw 1 periphery, and the top of lead screw 1 is provided with closing handle 3, is arranged with seal ring 4 on lead screw 1, and screw thread 2 outer surfaces are provided with wear-resistant protective layer.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this model utility technological thought, carry out various change and modification fully.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to the claim scope.

Claims (2)

1. air spring fastening screw, comprise lead screw (1) and be arranged on screw thread (2) on lead screw (1) periphery, the top of lead screw (1) is provided with closing handle (3), it is characterized in that: be arranged with seal ring (4) on described lead screw (1).
2. a kind of air spring fastening screw according to claim 1, it is characterized in that: described screw thread (2) outer surface is provided with wear-resistant protective layer.
CN 201220556070 2012-10-26 2012-10-26 Gas spring fastening screw Expired - Fee Related CN202971502U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220556070 CN202971502U (en) 2012-10-26 2012-10-26 Gas spring fastening screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220556070 CN202971502U (en) 2012-10-26 2012-10-26 Gas spring fastening screw

Publications (1)

Publication Number Publication Date
CN202971502U true CN202971502U (en) 2013-06-05

Family

ID=48512585

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220556070 Expired - Fee Related CN202971502U (en) 2012-10-26 2012-10-26 Gas spring fastening screw

Country Status (1)

Country Link
CN (1) CN202971502U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106089914A (en) * 2016-06-27 2016-11-09 无锡迪奥机械有限公司 A kind of sealing fastening type bolt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106089914A (en) * 2016-06-27 2016-11-09 无锡迪奥机械有限公司 A kind of sealing fastening type bolt

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130605

Termination date: 20131026