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Impact-resistant cylinder

An impact-resistant, cylinder technology, applied in the direction of fluid pressure actuating devices, can solve problems such as easy damage, cylinders are susceptible to piston impact, etc., to achieve the effects of reducing harm, low cost, and easy implementation

Active Publication Date: 2015-05-20
CHANGZHENG ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the defects in the prior art, the present invention provides a pneumatic actuator, thereby solving the problem that the cylinder in the prior art is easily impacted and easily damaged by the piston

Method used

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing, invention is described in further detail.

[0028] Such as figure 1 Shown is the impact-resistant cylinder in the first embodiment of the present invention. The front end cover 11 and the rear end cover 12 are respectively fixed on both ends of the cylinder 10 , the piston 20 is assembled inside the cylinder 10 , and one end of the piston rod 30 is fixedly connected to the piston 20 . Wherein, a circular hole 40 is provided on the propelling surface 21 and / or the annular surface 22 of the piston 20, that is, an inner concave cavity 40a is formed ( figure 1 Shown in is the illustration that both the propulsion surface 21 and the annular surface 22 are provided with circular holes 40). The shape of the inner concave cavity 40a can also be opened as a square hole or a hole of a different shape according to specific needs. The piston 20 and the piston rod 30 are fixedly connected by a positioning nut 50 , and various connec...

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PUM

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Abstract

The invention discloses an impact-resistant cylinder. According to the impact-resistant cylinder, inward-concave cavities are formed in one side end face or two side end faces of a piston, so that the problems that in the prior art, a cylinder is impacted by a piston easily and is broken easily are solved. In this way, the impact-resistant cylinder has the advantages that the structure is simple, the cylinder is easy to obtain, speed can be reduced smoothly during movement, cost is low, and the buffer performance is good. Various hazards caused when an end cover is impacted by the piston are reduced, and the durability of the cylinder is improved.

Description

technical field [0001] The invention relates to a pneumatic actuator, in particular to an impact-resistant cylinder. Background technique [0002] With the development of industrial production, pneumatic systems are widely used in a variety of production and processing systems, among which the cylinder is an important actuator in the pneumatic system. During the working process, the cylinder piston reciprocates in the cylinder. When the piston moves to the end of the cylinder, the piston will generate a large collision impact force on the cylinder head, and generate large impact noise, which may easily cause damage to the cylinder body. In order to solve the above-mentioned defects of the existing cylinder, a cushion cushion type cylinder is provided in the prior art. The cylinder cushions the impact force of the piston on the cylinder head by adding cushion pads inside the cylinder head at both ends. However, in practical applications, since the buffer pad can only buffer ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/14F15B15/20
CPCF15B15/1447F15B15/222
Inventor 任金天李峰黎玉飞俞晓龙刘永良陈晓琴颜震
Owner CHANGZHENG ENG