Double-lip oil seal device capable of regulating pressure automatically

A technology of automatic pressure regulation and lip oil, applied in the direction of engine seals, engine components, mechanical equipment, etc., can solve problems such as unstable internal pressure, reduce maintenance costs, improve service life, and facilitate disassembly.

Active Publication Date: 2012-02-29
广东天诚密封件股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an oil seal device that can automatically adjust pressure to solve the problem of unstable internal pressure when the engine and hydraulic equipment are switched between high speed and l

Method used

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  • Double-lip oil seal device capable of regulating pressure automatically
  • Double-lip oil seal device capable of regulating pressure automatically
  • Double-lip oil seal device capable of regulating pressure automatically

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Embodiment Construction

[0013] Referring to the accompanying drawings, an automatic pressure-regulating double-lip oil seal device includes a double-lip oil seal 6, a guide cylinder 7, a circular backing plate 5, a buffer spring 4, a guide screw 3 and a dome cover 1. The outer surface of the double-lip oil seal 6 The lip 61 and the inner wall of the guide cylinder 7 are slidably and airtightly bonded, the inner lip 63 of the double-lip oil seal 6 is slidably and airtightly bonded to the system working shaft 10, and the circular backing plate 5 is placed on the double-lip oil seal 6, on the round backing plate 5 there is a threaded hole that matches the guide screw 3, on the dome cover 1 there is a through hole that matches the guide screw 3, on the double-lip oil seal 6 there is a screw hole that matches the guide screw 3 The matched through hole 65, the through hole 65 on the double-lip oil seal 6 vertically passes through the metal skeleton 62 between the outer lip 61 and the inner lip 63 of the dou...

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PUM

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Abstract

The invention relates to a double-lip oil seal device capable of regulating pressure automatically. The double-lip oil seal device capable of regulating the pressure automatically comprises a double-lip oil seal, a guide sleeve, a circular base plate, a buffer spring, a guide screw and a circular top cover, wherein the outer lip of the double-lip oil seal is slidably adhered to the outer wall of the guide sleeve in a sealed way; the inner lip of the double-lip oil seal is slidably adhered to a system working shaft in a sealed way; the circular base plate is arranged on the double-lip oil seal; a screw hole matched with the guide screw is formed on the circular base plate; the guide screw is arranged between the double-lip oil seal and the circular top cover; the guide screw is in threaded fit with the screw hole on the circular pad plate; the buffer spring is sleeved on the guide screw and is positioned between the circular base plate and the circular top cover; and the circular top cover is fixed on an outer end port of the guide sleeve through a fixing bolt. The double-lip oil seal device capable of regulating the pressure automatically can regulate the pressure automatically according to the pressure condition in a machine and ensure a stable pressure state in the machine, so that an explosion hazard caused by overhigh pressure is effectively prevented, the service life of inner components is prolonged, and excellent performance of the machine is ensured.

Description

technical field [0001] The invention relates to an automatic pressure regulating device for an engine and transmission equipment, in particular to an automatic pressure regulating and sealing device for a double-lip oil seal. Background technique [0002] In today's technological development, the engine and transmission equipment must always be inseparable from the sealing oil seal to achieve the sealing condition. With the development of science and technology, there are more and more requirements for devices with various sealing structures, but these oil seals In the sealing device, it only acts as a fixed sealing role. In the sealing device, it still needs to be fixed in the cavity by the cooperation of the outer diameter, and there is no movement function. This is for some machines with high requirements for the transmission system. In other words, the system needs to ensure a good voltage regulation function, which needs to be assisted by other equipment. Because the o...

Claims

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Application Information

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IPC IPC(8): F16J15/32F16J15/34F16J15/3236
Inventor 吴克胜
Owner 广东天诚密封件股份有限公司
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