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New liquid injection rubber expansion valve

A technology of rubber expansion and liquid injection, applied in the direction of control valve, valve device, functional valve type, etc., can solve the problems of inability to meet the needs of large-scale use, high manufacturing cost of alloy steel materials, complicated operation procedures, etc., to achieve the opening pressure and Stable non-return effect, improved yield and flexible application

Inactive Publication Date: 2011-12-21
WUJIAN WULONG VALVE MACHINERY CO LTD
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defects of the existing wall repair equipment, such as complex operation procedures, inconspicuous effect, high manufacturing cost of alloy steel materials, and inability to meet the needs of large-scale use, the present invention provides a new type of liquid-injected rubber expansion valve, which not only The structure is simple, the form is novel, and it is convenient to use, the application is flexible, the price is low, and it has good economic benefits

Method used

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Embodiment Construction

[0014] The specific technological process of the novel liquid injection rubber expansion valve is as follows:

[0015] 1) The whole is composed of check valve, screw rod, aluminum sleeve, rubber ring, injection head, gasket, liquid outlet, etc., while the check valve is composed of three parts: valve body, spring and steel ball, and its seat is processed in On the valve body, the cracking pressure is achieved by controlling the pre-compression of the spring by adopting necking technology, that is, putting the ball steel and the spring into the valve body at one time, and then shrinking the valve body to control the degree of necking. The pre-compression of the spring, so as to realize the stability of the opening pressure;

[0016] 2) Drill a pre-drilled hole corresponding to the diameter of the product on the wall, and put the product into the pre-drilled hole (the valve body faces inward). Since the injection head and the valve body are connected by threads, use an electric ...

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Abstract

The invention discloses a new type of liquid injection rubber expansion valve, which is a kind of equipment used for building wall repair. The invention adopts zinc alloy material, the diameter of the valve channel is greater than or equal to Φ1.8mm, the structural length is less than 200mm, and the check response is sensitive. 1. The opening pressure should be less than 300Lb to ensure the smooth flow of the valve. In addition, the sealing surface of the present invention is processed on the valve body, and the opening pressure and the stability of the check effect are guaranteed by controlling the top compression of the spring. Fix the steel ball and spring, and control the pre-compression of the spring, so as to achieve the requirements of stable opening pressure and obvious non-return effect. The invention has the advantages of simple structure, reliable operation, flexible application, convenient use, high production efficiency, and low manufacturing cost. , able to adapt to mass production.

Description

technical field [0001] The invention relates to a novel liquid-injecting rubber expansion valve device for repairing building walls, which belongs to the field of mechanical manufacturing. Background technique [0002] With the development of society, the construction industry is growing day by day. During the construction process or after the construction is completed, due to various reasons, it is inevitable that there will be slight cracks on the walls. If there is no effective repair plan, the construction must be repeated. It caused waste and greatly delayed the construction period. At present, there are very few products used for wall repair in the domestic market. The main disadvantages of the liquid-injected rubber expansion screws on the market are that the sealing seat is directly processed on the screw rod, and it is difficult to control the pre-tension of the spring during installation. The amount of compression will cause the opening pressure to be unstable, or...

Claims

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Application Information

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IPC IPC(8): F16K15/00E04G23/02
Inventor 施国春施小弟赵朋
Owner WUJIAN WULONG VALVE MACHINERY CO LTD
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