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Directional anti-rotating nitrogen spring

A nitrogen gas spring, anti-rotation technology, used in springs, springs/shock absorbers, gas shock absorbers, etc., can solve problems such as economic losses, quality accidents, safety accidents, etc., to avoid quality accidents, prolong service life, increase safety effect

Inactive Publication Date: 2015-03-18
邵阳兴达精密机械制造有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

At present, in the structural design of the nitrogen gas spring, the piston rod and the cylinder have positioning devices in the up and down direction, but there is no positioning device in the circumferential direction. Therefore, there is a possibility of relative rotation between the piston rod and the cylinder. If there is a relative rotation, It will affect the stability of the mold, cause the mold to not work normally, cause quality accidents, cause major economic losses, and even cause safety accidents

Method used

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Examples

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Embodiment Construction

[0009] Anti-rotation nitrogen gas spring of the present invention such as figure 1 , figure 2 As shown, the guide seat 2 is mounted on the piston rod 1, and then loaded into the cylinder 3. The inner wall of the cylinder 3 is provided with a guide groove 4, and the piston rod 1 is provided with a guide groove 4 on the inner wall of the cylinder 3. The matching boss 5, the boss 5 on the piston rod 1 is embedded in the guide groove 4 on the inner wall of the cylinder, and the cylinder 3 is filled with nitrogen.

[0010] When the present invention works, the piston rod 1 moves linearly along the guide groove 4 in the cylinder 3, and there is no relative rotation between the piston rod 1 and the cylinder 3, which can effectively ensure the orientation of the nitrogen spring and prevent the piston rod from relative rotation of the cylinder.

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Abstract

The invention relates to a nitrogen spring, in particular to a directional anti-rotating nitrogen spring. The directional anti-rotating nitrogen spring consists of a cylinder barrel, a guide seat, a piston rod and a sealing piece, wherein a guide groove is formed in the inner wall of the cylinder barrel, and a boss matched with the guide groove in the inner wall of the cylinder barrel is arranged at one end of the piston rod. By adopting the technical scheme provided by the invention, when the nitrogen spring works, the piston rod and the cylinder barrel can be prevented from relatively rotating, the piston rod can be guaranteed to linearly move in the cylinder barrel, the orientation of the nitrogen spring can be effectively guaranteed, the piston rod and the cylinder barrel are prevented from relatively rotating, thus the use stability of a die is guaranteed, quality accidents are prevented from occurring, the safety of the die is improved and the service life of the die is prolonged.

Description

technical field [0001] The invention relates to a nitrogen gas spring, in particular to a directional anti-rotation nitrogen gas spring. Background technique [0002] Nitrogen gas spring is a kind of component with elastic function, which can replace conventional elastic components, complete the work that conventional elastic components are difficult to complete, and has performance that conventional elastic components do not have. Nitrogen gas springs can not only be widely used in the mold industry, but also can be applied to other industrial fields. It is mainly composed of cylinder, guide seat, piston rod and seals. At present, in the structural design of the nitrogen gas spring, the piston rod and the cylinder have positioning devices in the up and down direction, but there is no positioning device in the circumferential direction. Therefore, there is a possibility of relative rotation between the piston rod and the cylinder. If there is a relative rotation, It will a...

Claims

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Application Information

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IPC IPC(8): F16F9/02F16F9/32
CPCF16F9/0236F16F9/0281F16F9/3221F16F9/3235F16F2222/126
Inventor 王一环李世辉刘君怡
Owner 邵阳兴达精密机械制造有限公司
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