Outsize gas springs with strengthened structure

Abstract

The invention relates to a gas spring, especially an outsize gas springs with a strengthened structure. The invention provides an outsize gas spring with a strengthened structure and long service life, comprises a cylinder, a piston and a piston rod. The end of the cylinder is welded with a back seal; the inner cavity is installed with a piston; the front end is welded with a guide sleeve. The piston rod penetrates through the guide sleeve and connects with the piston. The guide sleeve, back seal and the cylinder inner wall are welded after screw slide-assembly or connected by a folding hem. A guide ring is equipped on the circumference of the piston. The guide sleeve and the back seal are welded in screw slide-assembly or connected with a cylinder through a folding hem, thus strengthening the connection strength, guaranteeing the security under super high pressure intensity. Arranging the guide ring on the piston ring ensures the concentricity of the gas spring, piston and the piston rod, reduces the wearing and improves the service life of the gas spring.

Description

technical field [0001] The invention relates to a gas spring, in particular to a super large-value gas spring with a reinforced structure. Background technique [0002] As gas springs are widely used in medical equipment, automobiles, furniture, textile equipment, processing industries and other fields, the force value required for them is getting larger and larger. The traditional guide sleeve is fixed by folding or welding the edge of the cylinder body, and bears the pressure from the pressure in the cylinder body, while the ordinary cylinder body edge is folded inward or welded and fixed. There is a problem that safety is difficult to achieve on the gas spring; there is a certain gap between the piston and the cylinder wall of the ordinary gas spring, and the piston of the gas spring scrapes the inner wall and seal of the cylinder during the movement history, and the guide sleeve or piston rod is easy to wear , leading to a reduction in the service life of the gas spring...

AI Technical Summary

Problems solved by technology

The traditional guide sleeve is fixed by folding or welding the edge of the cylinder body, and bears the pressure from the pressure in the cylinder body, while the ordinary cylinder body edge is folded inward or welded and fixed. There is a problem that safety is difficult to achieve on the gas spring; there is a certain gap between the piston and the cylinder wall of the ordinary gas spring, and the piston of the gas spring scrapes the inner wall and seal of the cylinder during the movement history, and the guide sleeve or piston rod is easy to wear , leading to a reduction in the service life of the gas spring

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