Electronic gas steel cylinder valve capable of stopping leakage emergently

Abstract

The utility model relates to an electronic gas steel cylinder valve capable of stopping leakage emergently, which comprises a valve body, a valve cavity is arranged in the middle of the valve body, a gas inlet and outlet communicated with the valve cavity is arranged on the side portion of the valve body, a gas channel communicated with the valve cavity is arranged at the lower end of the valve body, and a valve core for controlling the gas inlet and outlet and the inlet and outlet channel to be connected and disconnected is arranged in the valve cavity. A leakage stopping threaded hole communicated with the gas channel is further formed in the side portion of the valve body, and a screwed plug is arranged in the leakage stopping threaded hole. The electronic gas steel cylinder valve capable of stopping leakage emergently is simple in structure, reasonable in design, convenient and practical, has the function of stopping leakage emergently, when leakage occurs, the screwed plug can be quickly screwed in to cut off a gas channel, it is guaranteed that toxic gas does not leak any more, and safety and reliability are achieved; the problem of continuous leakage in the process of transferring a leaked steel cylinder to a steel cylinder coffin is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steel bottle valve field, especially an electronic gas steel bottle valve with emergency leak stopping function. BACKGROUND

[0002] At present, electronic special gas is mostly some toxic gas, such as arsine, fluorine, chlorine trifluoride, etc., and its half lethal dose is extremely low, mostly PPM grade, and after leakage, it is easy to cause safety accidents, and the valve group of the steel bottle is mostly mechanical structure, so if there are processing defects or material fatigue, it may cause leakage during use, and the general disposal method is to transport the leaking steel bottle into a steel bottle coffin and seal the whole steel bottle in it to prevent it from continuing to spread to the external environment, and if the leakage is large, it may cause continuous inhalation of personnel or surrounding personnel during transportation, causing harm to expand. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the utility model aims at providing an electronic gas steel bottle valve with simple structure, convenience, practicality, safety and reliability, and emergency leak stopping function.

[0004] The utility model adopts the following scheme: an electronic gas steel bottle valve with emergency leak stopping function, comprising a valve body, a valve cavity is arranged in the middle of the valve body, an inlet and outlet gas port is arranged on the side of the valve body and communicated with the valve cavity, a gas passage communicated with the valve cavity is arranged at the lower end of the valve body, a valve core for controlling the on-off of the inlet and outlet gas port and the inlet and outlet passage is arranged in the valve cavity, a leak stopping threaded hole communicated with the gas passage is further arranged on the side of the valve body, and a plug is arranged in the leak stopping threaded hole.

[0005] Further, the diameter of the leak stopping threaded hole is not less than the diameter of the gas passage, the center line of the leak stopping threaded hole and the center line of the gas passage are located on the same plane, and the leak stopping threaded hole divides the gas passage into two sections.

[0006] Further, a connecting boss is arranged on the side of the valve body at the position of the leak stopping threaded hole, the leak stopping threaded hole is located in the middle of the connecting boss, and a protective cover is threadedly connected on the outer end of the leak stopping threaded hole on the connecting boss.

[0007] Further, a sealing ring A is arranged on the inner bottom surface of the protective cover.

[0008] Further, a valve rod mounting hole communicated with the valve cavity is arranged at the upper end of the valve body, a valve rod is arranged in the valve rod mounting hole, the valve rod is threadedly connected with the valve rod mounting hole, the lower end of the valve rod is fixedly connected with the valve core, and the upper end of the valve rod is connected with a hand wheel and passes out from the upper end of the valve body.

[0009] Compared with the prior art, the utility model has the advantages that the utility model discloses an emergency leak-stopping electronic gas cylinder valve which is simple in structure, reasonable in design, convenient and practical, and has an emergency leak-stopping function.

[0010] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by specific embodiments and related drawings. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is the utility model embodiment steel bottle valve section view;

[0012] Figure 2 is the utility model embodiment steel bottle valve protection cover take off state section view;

[0013] Figure 3 is the utility model embodiment steel bottle valve plug tight state section view;

[0014] Figure 4 is the utility model embodiment steel bottle valve plug tight and cover protection cover state section view;

[0015] Mark explanation in drawing: 100-valve body, 110-valve cavity, 120-inlet and outlet, 130-gas passage, 140-leak stop screw hole, 150-valve rod mounting hole, 151-seal ring B, 200-valve core, 300-plug, 400-protection cover, 410-seal ring A, 500-valve rod. DETAILED DESCRIPTION

[0016] It should be noted that the following detailed description is exemplary only and is intended to provide further description of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0017] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0018] As Figures 1-4As shown, an emergency leak-stopping electronic gas cylinder valve includes a valve body 100, a valve cavity 110 in the middle of the valve body, an inlet and outlet gas port 120 on the side of the valve body, a gas passage 130 at the lower end of the valve body, a valve core 200 in the valve cavity for controlling the opening and closing of the inlet and outlet gas port and the inlet and outlet passage, a leak-stopping threaded hole 140 in the side of the valve body and communicating with the gas passage, and a plug 300 in the leak-stopping threaded hole.

[0019] In the embodiment, the leak-stopping threaded hole 140 has a diameter not less than that of the gas passage, the center line of the leak-stopping threaded hole and that of the gas passage are in the same plane, the leak-stopping threaded hole divides the gas passage into two sections, the leak-stopping threaded hole 140 and the gas passage intersect each other, and the plug is screwed into the leak-stopping threaded hole to cut off the gas passage, thereby avoiding leaving a gap on both sides of the plug.

[0020] In the embodiment, the valve body side has a connecting boss 150 at the position of the leak-stopping threaded hole, the leak-stopping threaded hole is in the middle of the connecting boss 150, and a protective cover 400 is threadedly connected to the connecting boss 150 and covers the outer end of the leak-stopping threaded hole.

[0021] In the embodiment, the inner bottom surface of the protective cover is provided with a sealing ring A 410, and the protective cover can seal the leak-stopping threaded hole.

[0022] In the embodiment, the valve body 100 has a valve rod mounting hole 150 at the upper end thereof and communicating with the valve cavity, the valve rod mounting hole is provided with a valve rod 500, the valve rod 500 is threadedly connected to the valve rod mounting hole 150, the lower end of the valve rod is fixedly connected to the valve core, the upper end of the valve rod extends out of the upper end of the valve body and is connected with a hand wheel, the valve rod mounting hole 150 is provided with an inner thread, and the valve rod is provided with an outer thread.

[0023] Unless otherwise stated, if the above-mentioned any technical solution of the present application discloses a numerical range, the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that the preferred numerical range is only one of the many implementable values with more obvious technical effects or representative values. Since there are many values, it is impossible to enumerate all, so the present application only discloses part of the values to illustrate the technical solutions of the present application, and the above-mentioned enumerated values should not constitute a limitation on the protection scope of the present application.

[0024] If the utility model discloses or involves mutually fixed connecting parts or structural members, then, except for another declaration, fixed connection can be understood as: detachably fixed connection (for example, using bolt or screw connection), and also can be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutually fixed connection can also be replaced by integral structure (for example, integrally formed by using casting process) (except for obviously unable to adopt integral forming process).

[0025] In addition, the terms used to represent the positional relationship or shape in any of the technical solutions of the utility model disclosed above include the states or shapes similar, analogous or close to them, except for another declaration.

[0026] Any component provided by the utility model can be assembled from a plurality of separate components, or can be a separate component manufactured by integral forming process.

[0027] The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms, and any skilled person in the art can modify or change the above disclosed technical content to obtain equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the utility model, according to the technical essence of the utility model, still belongs to the protection scope of the technical solution of the utility model.

Claims

1. An electronic gas cylinder valve capable of emergency leak prevention, characterized in that: The valve body includes a valve cavity in the middle, an inlet and outlet port communicating with the valve cavity on the side of the valve body, a gas passage communicating with the valve cavity at the lower end of the valve body, and a valve core for controlling the opening and closing of the inlet and outlet port and the inlet and outlet passage in the valve cavity; a leak-proof threaded hole communicating with the gas passage is also provided on the side of the valve body, and a plug is provided in the leak-proof threaded hole.

2. The electronic gas cylinder valve capable of emergency leak prevention according to claim 1, characterized in that: The diameter of the leak-proof threaded hole is not less than the diameter of the gas channel, the center line of the leak-proof threaded hole and the center line of the gas channel are located on the same plane, and the leak-proof threaded hole divides the gas channel into upper and lower sections.

3. The electronic gas cylinder valve capable of emergency leak prevention according to claim 1, characterized in that: The valve body has a connecting boss at the location of the leak-proof threaded hole on its side. The leak-proof threaded hole is located in the middle of the connecting boss, and a protective cover that covers the outer end of the leak-proof threaded hole is threaded onto the connecting boss.

4. The electronic gas cylinder valve capable of emergency leak prevention according to claim 3, characterized in that: The inner bottom surface of the protective cover is provided with a sealing ring A.

5. The electronic gas cylinder valve capable of emergency leak prevention according to claim 1, characterized in that: The upper end of the valve body has a valve stem mounting hole leading to the valve cavity. A valve stem is installed in the valve stem mounting hole, and the valve stem is threadedly engaged with the valve stem mounting hole. The lower end of the valve stem is fixedly connected to the valve core, and the upper end of the valve stem extends out from the upper end of the valve body and is connected to a handwheel.

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