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Motor waterproof breather valve assembly structure

An assembly structure and breathing valve technology, applied in control valves, safety valves, balance valves, etc., can solve problems such as high cost, poor anti-immersion ability, complexity, etc., achieve functional breakthroughs, and ensure waterproof performance.

Pending Publication Date: 2019-09-06
WUXI MINGCHENG AUTOMOBILE PARTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of structural control system is relatively complex, high in cost, high in sensor sensitivity, high in failure rate, poor in water immersion resistance, and has a large degree of structural modification of the motor and insufficient adaptability.

Method used

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  • Motor waterproof breather valve assembly structure
  • Motor waterproof breather valve assembly structure
  • Motor waterproof breather valve assembly structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] see Figures 1 to 4 As shown, this embodiment provides a motor waterproof breathing valve assembly structure, which is suitable for various motors, and is used to effectively adjust the air pressure in the body cavity, solve the disadvantages of the fully sealed structure of the motor, and improve the waterproof performance of the motor. The assembly structure can be installed on any part of the motor body. This embodiment takes the motor rear cover as an example to describe in detail.

[0030] The waterproof breather valve assembly structure is used for motors whose housing cavity is a closed space, and at least two breather valves are arranged on the shell, the breather valve is a one-way check structure, and the flow paths of the two breather valves are opposite Arranged on the housing in such a way that one exhale and one inhale can automatically adjust the internal pressure.

[0031] The breathing valve here includes a valve body 1 , a spring seat 2 and a steel ba...

Embodiment 2

[0040] see Figures 5 to 8 As shown, on the basis of Embodiment 1, considering the structure of the breathing valve, it can be integrated on the housing 9, mainly for the breathing valve with the second air hole 7 facing away from the housing 9, and the breathing valve does not need a valve Body 1, its spring seat 2 can be directly press-fitted in an installation cavity 10; while the breathing valve with the second vent hole 7 close to the shell 9 is still the original design, its valve body 1 is press-fitted in the Another installation cavity 10.

[0041] During installation, the valve body 1 of the breather valve with the second air hole 7 against the shell 9 is fixed on the shell 9, and the spring seat 2 of the breather valve with the second air hole 7 facing away from the shell 9 is assembled with steel The ball 3 can be directly fixed on the housing 9, the installation is simple, the integrated volume is small, and the original structure of the motor is hardly affected. ...

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Abstract

The invention discloses a motor waterproof breather valve assembly structure which is used for a motor with an inner cavity of a shell being a closed space. At least two breather valves are arranged on the shell, each breather valve is of a one-way check structure, and the two breather valves are arranged on the shell in the mode that the flow channel directions are opposite. The motor waterproofbreather valve assembly structure acts on a motor body of a full-sealed structure. The air pressure of the inner cavity can be effectively adjusted, the waterproof performance is fully guaranteed, automatic exhaust can be achieved when internal high-pressure expansion occurs, open fire is automatically extinguished instantly due to oxygen deficiency when internal combustion is started, and therefore the functions of water prevention, fire prevention and internal pressure adjustment are achieved, and functional breakthrough of a motor is achieved.

Description

technical field [0001] The invention relates to the technical field of motor sealing, in particular to an assembly structure of a motor waterproof breathing valve. Background technique [0002] The motor is a kind of equipment with high functional requirements. It is vulnerable to external dust and water, which affects its service life. Especially under harsh environmental conditions, the sealing requirements are higher. Especially the waterproof requirement, so the ideal structure of the inner cavity of the motor should be a closed structure. However, the motor will generate heat when it is continuously working, and the internal gas will expand when the inner cavity is sealed, and the increase in internal pressure will cause the body to rupture. , and even under extreme conditions, high temperature and heat will cause the motor to burn out. [0003] Therefore, there are disadvantages in the completely sealed structure. In addition to the water resistance of the body, the e...

Claims

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Application Information

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IPC IPC(8): F16K15/04F16K17/30H02K5/10H02K9/04
CPCF16K15/044F16K17/30H02K5/10H02K9/04
Inventor 曹向明
Owner WUXI MINGCHENG AUTOMOBILE PARTS CO LTD
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