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Hydraulic oil cylinder device capable of being easily disassembled and assembled

A hydraulic cylinder, easy disassembly and assembly technology, applied in the direction of fluid pressure actuation device, etc., can solve the problems of combined sealing ring, O-ring damage, oil cylinder leakage, etc., and achieve the effect of easy replacement, good sealing, convenient disassembly and installation

Inactive Publication Date: 2012-11-14
SHANGHAI CHUANGLI GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the domestic large-scale hydraulic cylinders of the prior art are simple in structure, and the threaded sleeve and the guide sleeve are connected as one. When installing and disassembling the threaded sleeve, it usually drives the dustproof ring, combined sealing ring, O-ring and wear-resistant ring around the threaded sleeve. The rotation of the parts needs to overcome the huge frictional resistance, which can easily cause damage to the combined sealing ring and O-ring, causing the oil cylinder to leak

Method used

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  • Hydraulic oil cylinder device capable of being easily disassembled and assembled
  • Hydraulic oil cylinder device capable of being easily disassembled and assembled

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Embodiment Construction

[0023] The following combination Figure 1~Figure 2 , a preferred embodiment of the present invention is described in detail.

[0024] Such as figure 1 As shown, a hydraulic cylinder device that is easy to disassemble includes a housing assembly, a piston rod assembly, a sealing assembly, a control oil circuit 4, and two pin holes; the housing assembly includes a cylinder 11, and one end of the cylinder 11 is connected as Integral cylinder 12, the piston rod assembly includes piston rod 21 and piston 22; Externally, a sealing assembly is provided at the other end of the cylinder 11 to seal the cylinder 11 and the piston rod 21 .

[0025] Two pin holes are respectively arranged at the ends of the piston rod 21 and the cylinder body 12, and the cylinder liner 7 is arranged in the pin holes.

[0026] The sealing assembly includes a threaded sleeve 31, a guide sleeve 32, a dust-proof ring 33, a combined seal ring 34, a guide ring 35, three O-ring seals 36 and two retaining ring...

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Abstract

The invention discloses a hydraulic oil cylinder device capable of being easily disassembled and assembled, which comprises a shell assembly and a piston rod assembly. The shell assembly comprises a cylinder barrel and a cylinder body which is integrally connected with the cylinder barrel. One end of the piston rod assembly is arranged in the cylinder barrel and the other end of the piston rod assembly is arranged outside the cylinder barrel. The oil cylinder device additionally comprises a sealing assembly. The sealing assembly is arranged at one end of the cylinder barrel. The piston rod assembly comprises a piston rod and a piston. The piston is arranged in the cylinder barrel. One end of the piston rod is connected with the piston and the other end of the piston rod stretches out of the cylinder barrel. The hydraulic oil cylinder device has the advantages that the structure is reasonable, the sealing performance is good, a threaded sleeve and a guide sleeve can be separately installed and so the hydraulic oil cylinder device is simpler and more labor-saving to disassemble and assemble.

Description

technical field [0001] The invention relates to a hydraulic oil cylinder device, in particular to an easily disassembled hydraulic oil cylinder device. Background technique [0002] At present, the domestic large-scale hydraulic cylinders of the prior art are simple in structure, and the threaded sleeve and the guide sleeve are connected as one. When installing and disassembling the threaded sleeve, it usually drives the dustproof ring, combined sealing ring, O-ring and wear-resistant ring around the threaded sleeve. The rotation of the parts needs to overcome huge frictional resistance, which can easily cause damage to the combined sealing ring and O-ring, causing the oil cylinder to leak. Contents of the invention [0003] The invention provides a hydraulic oil cylinder device which is easy to disassemble and assemble. The oil cylinder device has a reasonable structure and good sealing performance. The threaded sleeve and the guide sleeve can be installed separately, so ...

Claims

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Application Information

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IPC IPC(8): F15B15/20
Inventor 周凤鸣
Owner SHANGHAI CHUANGLI GRP
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