Auxiliary resetting gas spring

A gas spring and recovery technology, which is applied in the direction of springs, spring/shock absorbers, gas shock absorbers, etc., can solve the problems of reducing the comfort of use and fast reset speed, so as to improve the sealing effect and avoid excessive reset speed or too slow effect

Active Publication Date: 2016-06-01
CHANGZHOU GAS SPRING
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, during the reset process of the gas spring, the reset

Method used

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[0014] The present invention will now be described in further detail with reference to the drawings. These drawings are all simplified schematic diagrams, which merely illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

[0015] Such as figure 1 As shown, an auxiliary return type gas spring of the present invention has a cylinder barrel 1 and a piston assembly. The piston assembly includes a piston 2 and a piston rod 3. The piston 2 is fixed at one end of the piston rod 3, and one end of the piston rod 3 extends Into the cylinder tube 1 and the piston 2 is located inside the cylinder tube 1, the side wall of the piston 2 is in clearance fit with the cylinder tube 1, and the end of the cylinder tube 1 extending into the piston rod 3 is provided with a vibration damping and sealing structure, so The damping and sealing structure includes a buffer ring 4 and three sealing rings 5. The inner...

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Abstract

The invention relates to an auxiliary resetting gas spring which is provided with a cylinder barrel, a piston and a piston rod, wherein the cylinder barrel is internally provided with a damping seal structure so that not only can the piston rod be sealed, but also a damping effect on the piston can be achieved; a triangular apex angle part of a seal ring is in contact with the piston rod, so that the seal effect is further improved; and the cylinder barrel is internally provided with a compression spring, and the compression spring is capable of not only achieving a buffering effect on the piston, but also providing pull force and push force, assisting the back-and-forth movement of the piston and preventing excessively high or low resetting speed of the gas spring.

Description

technical field [0001] The invention relates to an auxiliary return type gas spring. Background technique [0002] The gas spring is mainly composed of a cylinder, a piston in the cylinder, a piston rod and a valve core, etc., and gas and oil are stored in the cylinder. Since the piston occupies the volume of the cylinder, the piston rod is pressed into the cylinder during work, and the piston moves axially in the cylinder to squeeze the oil, and the oil compresses the gas to make the piston reach the working position; when loaded on the piston After the external force on the rod disappears, the gas recovers and expands, and the expanded gas pushes the oil to reset the piston, and the piston rod is moved out, so that the gas spring realizes compression motion and recovery damping motion. For the locking gas spring, the oil passage is quickly opened or closed through the axial movement of the spool set in the piston rod. However, during the reset process of the gas spring, ...

Claims

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Application Information

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IPC IPC(8): F16F9/02F16F9/32
CPCF16F9/0218F16F9/0281
Inventor 曹文亚施云宵岳如霞
Owner CHANGZHOU GAS SPRING
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