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Rodless Cavity Static Seal Cylinder

A rodless cavity and oil cylinder technology, applied in the direction of fluid pressure actuation device, etc., can solve the problems of oil cylinder leakage and other problems, achieve the effect of strong bearing pressure, avoid leakage oil pollution, and light weight

Active Publication Date: 2017-12-12
重庆戴文能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A rigid dynamic sealing cavity is formed, although it can bear a large pressure, but the sealing part is worn out due to the reciprocating movement of the piston and fails, resulting in cylinder leakage

Method used

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  • Rodless Cavity Static Seal Cylinder
  • Rodless Cavity Static Seal Cylinder
  • Rodless Cavity Static Seal Cylinder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] exist figure 1 In the first embodiment, the piston rod (3) is coaxially assembled with the cylinder (2), the piston rod (3) slides axially along the port of the cylinder (2), and the capsule (1) is clamped on the cylinder ( 2) Between the piston rod (3), the two ports of the capsule (1) are connected to the cylinder (2) and the piston rod (3) respectively, and the capsule (1) separates to form the rod cavity of the cylinder in this case ( 5) With the rodless cavity (6), the rod cavity (5) is a dynamic sealing cavity, the rodless cavity (6) is a static sealing cavity, and the capsule (1) is only in contact with the cylinder during stretching and compression. The inner wall of the barrel (2) and the outer wall of the piston rod (3) are folded and bonded together. When the rodless chamber (6) is fed with high-pressure oil or high-pressure gas, the rod chamber (5) discharges oil or gas, and the oil cylinder stretches. figure 2 Is the first embodiment stretched state. Wh...

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PUM

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Abstract

The present invention relates to a rodless cavity static seal oil cylinder. The capsule (1) separates and forms the rod cavity (5) and the rodless cavity (6) of the cylinder in this case, wherein the rod cavity (5) is a dynamic sealing cavity, and the rodless cavity The cavity (6) is a static sealing cavity. During the stretching and compression process of the oil cylinder, the capsule (1) is only rolled up and attached to the inner wall of the cylinder (2) and the outer wall of the piston rod (3). When the rodless chamber (6) is fed with high-pressure oil or high-pressure gas, the rod chamber (5) of the oil cylinder discharges oil or gas, and the oil cylinder stretches. When the external force F at both ends of the oil cylinder is greater than the internal pressure of the rodless cavity (6), the oil cylinder compresses.

Description

technical field [0001] The invention is a novel oil cylinder or air cylinder, which relates to a static sealing structure adopted by the oil cylinder, which can effectively prevent the oil cylinder from leaking oil and gas. Background technique [0002] At present, the basic structure of known oil cylinders is made up of cylinder body, piston, seal etc. A rigid dynamic sealing cavity is formed, although it can bear a relatively high pressure, but due to the reciprocating movement of the piston, the seal wears out and fails, resulting in oil cylinder leakage. Contents of the invention [0003] The invention provides an oil cylinder. The rodless cavity is a statically sealed cavity, which structurally solves the problems of oil seepage and leakage in the existing oil cylinder. [0004] The technical solution adopted by the present invention to solve these technical problems is: the cylinder, the piston rod are connected with the capsule to form a sealed rodless cavity and a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14
Inventor 周莉珍黎治强王兵
Owner 重庆戴文能源科技有限公司
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