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A valve structure

A valve and valve core technology, applied in the field of machinery, can solve the problems of poor valve sealing and short service life, and achieve the effects of improving the sealing effect, reducing the difficulty and reducing the cost.

Active Publication Date: 2021-02-19
GEELY AUTOMOBILE INST NINGBO CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the above-mentioned problems in the existing technology, and propose a valve structure. The technical problem to be solved by the present invention is: how to solve the problems of poor sealing and short service life of the existing valve

Method used

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Embodiment Construction

[0026] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0027] Such as figure 1 and 2 As shown, the valve structure includes a spring 3, a valve core 2 and a cylindrical housing 1. The housing 1 includes a base 1b and an upper shell 1a, the top of the upper shell 1a has an air inlet 1a1, the bottom of the upper shell 1a is detachably connected to the base 1b, and the base 1b has an air outlet 1b1.

[0028] Specifically, the upper shell 1a is cylindrical, the base 1b includes a block-shaped bottom plate 1b2 and a cylindrical connecting cylinder 1b3, and the air outlet 1b1 is opened on the bottom plate 1b2. One end of the connecting cylinder 1b3 is fixed on the bottom plate 1b2, and the other end extends into the upper shell 1a and is threadedly connected with the upper shell 1...

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Abstract

The invention provides a valve structure, which belongs to the technical field of machinery. It solves the problems of poor sealing and short service life of the existing valve structure. The valve structure includes a spring, a valve core and a cylindrical shell. The top of the shell has an air inlet, and the bottom has an air outlet. The valve core is slidably arranged in the shell. There is an air passage on the valve core, the air inlet end of the air passage runs through the top of the valve core and is staggered with the air inlet, the outlet end of the air passage can communicate with the air outlet, and the two ends of the spring Respectively against the casing and the valve core, the valve core is sealed against the top wall of the upper shell under the action of the spring. By simplifying the matching structure between the valve core and the housing, the influence of wear is eliminated, and multiple seals are formed between the valve core and the housing, which improves the sealing effect and prolongs the service life.

Description

technical field [0001] The invention belongs to the technical field of machinery and relates to a valve structure. Background technique [0002] The valve is a one-way valve installed on the wheel hub to inflate and deflate the tire. When it is opened, the gas enters the space of the tubeless tire or inner tube, and then automatically closes and seals the gas to generate air pressure to prevent the gas from escaping the tire or inner tube. [0003] Existing valve structure, such as Chinese patent application (application number: 201410793994.7) a valve, including a valve body with an intake passage, one end of the intake passage is the intake end, the other end is the outlet end, the described The valve body is provided with a valve core inserted into the air intake passage, and an adjustment screw connected with the valve body thread is provided at the outlet end of the air intake passage. There is a control spring between the cores, and an annular tapered groove and a ta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K15/20F16K15/18B60C29/06
CPCB60C29/06F16K15/18F16K15/20
Inventor 蒋守国李月明
Owner GEELY AUTOMOBILE INST NINGBO CO LTD
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