Single-action telescopic sleeve hydraulic cylinder sealing protective device

A protective device, telescopic technology, applied in the direction of fluid pressure actuation device, etc., can solve the problems of oil leakage, tearing, loss of sealing effect of the oil cylinder, etc.

Inactive Publication Date: 2012-10-24
SHANDONG HANDE HYDRAULIC MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the user of the dump truck pulls viscous materials, in order to facilitate unloading, the truck is "slammed forward" or "slammed" during the lifting process of

Method used

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  • Single-action telescopic sleeve hydraulic cylinder sealing protective device

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Embodiment Construction

[0010] Such as figure 1 As shown, the present invention is provided with a multi-layer multi-stage cylinder 2 inside the outer casing 1, and one end between the multi-layer multi-stage cylinders 2 is respectively provided with a guide member 3, a position-limiting member 4, and a main seal ring 5 , secondary sealing ring 6, dustproof ring 7, two guide rings are arranged between the main sealing ring 5 and the secondary sealing ring 6, and two guide rings are provided between the secondary sealing ring and the dustproof ring. Through the above settings, the present invention arranges the guide member 3 respectively in front of the main sealing ring 5, between the main sealing ring 5 and the secondary sealing ring 6, and between the secondary sealing ring 5 and the dustproof ring 6, so as to control the main sealing ring in the sealing member. Ring 5 and secondary sealing ring 6 have played a role in safety protection.

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Abstract

The invention discloses a single-action telescopic sleeve hydraulic cylinder sealing protective device. The device is characterized in that: a multi-layer multi-stage cylinder is arranged inside a coating cylinder; one end among the multi-layer multi-stage cylinder is respectively provided with a guiding component, a spacing component, a main seal ring, an auxiliary seal ring and a dustproof ring; two guide rings are arranged between the main seal ring and the auxiliary seal ring; and two guide rings are arranged between the auxiliary seal ring and the dustproof ring. By means of the arrangement, the seal ring in the seal component is prevented from being deformed and torn, and the oil cylinder is prevented from leaking oil or falling off and the like when being lifted.

Description

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Claims

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Application Information

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Owner SHANDONG HANDE HYDRAULIC MACHINERY
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