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Sealing structure for hydraulic machinery

A sealing structure, hydraulic machinery technology, applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve the problems of poor dust-proof effect, no dust-wiping function, poor sealing effect, etc., to achieve easy disassembly and cleaning, and dust-proof The effect of good effect and good wiping ability

Inactive Publication Date: 2021-01-01
江苏六鼎机械科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide a sealing structure for hydraulic machinery, which can effectively solve the problems of poor sealing effect, poor dustproof effect and no dust wiping function in the background technology

Method used

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  • Sealing structure for hydraulic machinery
  • Sealing structure for hydraulic machinery
  • Sealing structure for hydraulic machinery

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Embodiment Construction

[0016] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0017] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "another end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood ...

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Abstract

The invention discloses a sealing structure for hydraulic machinery. The sealing structure comprises a shell, wherein a first dustproof ring is fixedly arranged on one side of the shell, the first dustproof ring is connected with a dust wiping ring through screws, a piston rod is arranged in the shell in a sliding mode, a sealing ring is arranged at the position, located outside the piston rod, inthe shell in a sleeving mode, an oil bin is arranged in front of the sealing ring and the shell, a first sealing joint, a second sealing joint and a third sealing joint are arranged in the sealing ring, the first sealing joint, the second sealing joint and the third sealing joint are sequentially arranged at equal intervals, and a second dustproof ring is fixedly arranged at the position, locatedon one side of the sealing ring, in the shell. According to the sealing structure for the hydraulic machinery, the effects of multi-stage sealing and multi-stage dust prevention are achieved, the sealing performance and the dust prevention performance can be improved, dust attached to the piston rod can be wiped away when the piston rod is recycled, and the dust is prevented from being brought into the oil bin.

Description

technical field [0001] The invention relates to the field of sealing structures, in particular to a sealing structure for hydraulic machinery. Background technique [0002] The sealing structure for hydraulic machinery is a sealing structure used on hydraulic machinery. Because hydraulic machinery uses hydraulic oil to push the piston rod to move, the hydraulic oil needs to ensure that it will not leak in order to have a better push Therefore, the requirements for the sealing effect are relatively large; the existing sealing structure for hydraulic machinery only has one sealing point, the sealing effect is poor, and the dustproof effect is also relatively poor. In addition, it does not have the function of wiping dust, and the piston rod needs to reciprocate When it is in contact with the air, dust will adhere to it, and the dust will be brought into the oil tank through the piston rod, and will generate sludge after mixing with the hydraulic oil in the oil tank, which will...

Claims

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Application Information

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IPC IPC(8): F16J15/16F15B15/20B08B1/02
CPCF15B15/1461F15B15/20B08B1/143B08B1/20
Inventor 不公告发明人
Owner 江苏六鼎机械科技有限公司
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