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Aerosol valve with safe function

A safety function, aerosol technology, applied in the field of aerosol valves with safety functions, can solve problems such as explosion and safety hazards, and achieve the effect of ingenious conception, reliable performance and simple structure

Inactive Publication Date: 2008-03-26
徐秀珍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the non-discharge of the propellant brings great benefits to users, there are also safety hazards in the permanent storage tank of the propellant. After this aerosol product is used up and discarded, the environment in which the aerosol tank will be placed is even more unpredictable. Due to the residual high-pressure gas in the aerosol can, it may explode under abnormal circumstances

Method used

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  • Aerosol valve with safe function
  • Aerosol valve with safe function
  • Aerosol valve with safe function

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0022] Since the aerosol valve can be divided into two types: male valve and female valve, the male valve has a valve stem, and the female valve has a valve stem seat, and the rest of the structures of the two are basically the same. This embodiment only uses the male valve structure for illustration.

[0023]As shown in Figure 1, Figure 2 and Figure 3, the present invention consists of a valve stem 1, a valve body 2, a spring 3, an inner sealing ring 4, a sealing cup 5, a thin-walled elastic washer 6, a liquid introduction pipe 7 and an outer sealing ring 8 and other components. Wherein the top of the cup wall of the sealing cup 5 is curled outwards, and an outer sealing ring 8 is installed at the curled place, so as to be connected and sealed with the upper port of the aerosol can 9. A hollow annular small boss 5c is formed in the middle part of the inner ...

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Abstract

The aerosol container valve with safety function has one small hole and one large hole in the bottom of the sealing cup and one thin wall elastic washer in the valve body below the sealing cup. The thin wall elastic washer contacts to the bottom of the sealing cup to shield the holes. The valve has also the function of overflow valve to maintain the pressure inside the aerosol container within certain range, and in case of too high pressure, it can reduce pressure automatically to ensure safety. The present invention has smart structure, reliable performance and low cost, and is suitable for different kinds of aerosol containers.

Description

technical field [0001] The invention relates to an aerosol valve, in particular to an aerosol valve capable of automatic decompression and having a safety function. Background technique [0002] According to statistics, at present, more than 10 billion cans of various aerosol products are produced in the world every year, and the domestic consumption of various aerosol products has already exceeded 500 million cans. Aerosol has become a relatively complete industrial system in developed countries, and the aerosol industry in China is also becoming more and more mature, and its application range is becoming wider and wider. Aerosol has penetrated into every corner of daily life. [0003] Aerosols are pressure-packed products, and functional materials are mostly organic solvents. Driven by the demand for global environmental protection, CFC (freon) propellants have been banned, and most of the propellants that can be used are combustible gases, so aerosol products are flammab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D83/44
Inventor 徐秀珍
Owner 徐秀珍
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