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Piston rod assembly

A piston rod and component technology, applied in the field of piston rod components, to achieve good sealing effect, smooth expansion and contraction, and smooth use

Inactive Publication Date: 2016-07-13
ANHUI ZHANPENG HYDRAULIC MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a piston rod assembly to solve the problem of the telescopic accuracy of the piston rod

Method used

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  • Piston rod assembly

Examples

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Effect test

Embodiment 1

[0011] Example 1, such as figure 1 As shown, a piston rod assembly includes a piston rod 1, a piston rod head 13, a guide sleeve 4 on the piston rod 1, a piston 9 arranged at the end of the piston rod 1 and a connecting bolt, and is characterized in that:

[0012] A dust-proof ring assembly 2 is arranged on the piston rod 1, and a steel wire retaining ring 3 is arranged between the dust-proof ring assembly 2 and the guide sleeve 4;

[0013] A first seal ring 5 and a second seal ring 6 are arranged on the piston 9, and a third seal ring 8 and a fourth seal ring 10 are arranged on the guide sleeve;

[0014] A flat washer 12 is arranged between the piston 9 and the connecting bolt 11 .

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Abstract

The invention provides a piston rod assembly. The piston rod assembly comprises a piston rod, a piston rod head, a guide sleeve, a piston and a connecting bolt, wherein the guide sleeve is arranged on the piston rod; the piston is arranged on the tail end of the piston rod. The piston rod assembly is characterized in that the piston rod is also provided with a dust ring assembly; a steel wire check ring is arranged between the dust ring assembly and the guide sleeve; the piston is provided with a first sealing ring and a second sealing ring; the guide sleeve is provided with a third sealing ring and a fourth sealing ring; a flat washer is arranged between the piston and the connecting bolt. The piston rod assembly provided by the invention has the beneficial effects that the sealing effect of the piston rod is good, so that free expansion and contraction and smooth use of the piston rod during expansion and contraction are effectively ensured.

Description

technical field [0001] The invention relates to a piston rod assembly. Background technique [0002] At present, the existing piston rod assembly has the problem of poor sealing effect, which affects the service life of the piston rod and the telescopic accuracy of the piston rod. Contents of the invention [0003] The purpose of the present invention is to provide a piston rod assembly to solve the problem of the telescopic accuracy of the piston rod. [0004] The technical solution adopted by the present invention to solve the technical problem is: a piston rod assembly, comprising a piston rod, a piston rod head, a guide sleeve on the piston rod, a setting piston arranged at the end of the piston rod and a connecting bolt, characterized in that: [0005] The piston rod is equipped with a dust-proof ring assembly, and a steel wire retaining ring is arranged between the dust-proof ring assembly and the guide sleeve, [0006] A first sealing ring and a second sealing rin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/16
Inventor 李旺财
Owner ANHUI ZHANPENG HYDRAULIC MACHINERY CO LTD