CN221198847U - Detection device for internal and external leakage of gas cylinder valve - Google Patents

Detection device for internal and external leakage of gas cylinder valve Download PDF

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Publication number
CN221198847U
CN221198847U CN202323318865.6U CN202323318865U CN221198847U CN 221198847 U CN221198847 U CN 221198847U CN 202323318865 U CN202323318865 U CN 202323318865U CN 221198847 U CN221198847 U CN 221198847U
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China
Prior art keywords
valve
gas cylinder
vacuum
way valve
internal
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CN202323318865.6U
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Chinese (zh)
Inventor
吴宗谕
曾武
李紫晗
王志
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Zhongji Hualiang Environmental Technology Hebei Co ltd
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Zhongji Hualiang Environmental Technology Hebei Co ltd
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Abstract

The utility model relates to the technical field of detection of internal and external leakage of a gas cylinder valve, and provides a detection device for the internal and external leakage of the gas cylinder valve. Through the technical scheme, the technical problems that the detection of the internal and external leakage of the gas cylinder valve in the prior art is inconvenient and the judgment error is easy to occur are solved.

Description

Detection device for internal and external leakage of gas cylinder valve
Technical Field
The utility model relates to the technical field of detection of internal and external leakage of a gas cylinder valve, in particular to a detection device of the internal and external leakage of the gas cylinder valve.
Background
The gas cylinder is a movable pressure container with a main body structure in a bottle shape and filled with gas (compressed gas, liquefied gas, dissolved adsorption gas and the like) generally. The gas cylinder is widely applied, and the gas cylinder is almost not separated in the production field or the living field. The gas cylinder is pressure-bearing equipment, has explosion hazard, and the bearing medium of the gas cylinder generally has the properties of inflammability, explosiveness, toxicity, strong corrosion and the like, and the use environment is more complicated and worse than other pressure containers due to the characteristics of moving, repeated filling, unfixed operating personnel and change of the use environment. Once the gas cylinder explodes or leaks, fire or poisoning often occurs, even catastrophic accidents occur, and serious property loss, casualties and environmental pollution are caused. In order to ensure safe use of the cylinder, in addition to requiring it to meet the general requirements of the pressure vessel, some special regulations and requirements are required. The gas cylinder needs to be detected before delivery and in the use process, so that accidents caused by gas leakage are avoided. In the prior art, the gas cylinder is easy to misjudge and misjudge during detection, and the detection efficiency is low.
Disclosure of utility model
The utility model provides a detection device for internal and external leakage of a gas cylinder valve, which solves the technical problems of easy misjudgment and low detection efficiency in the detection in the related technology.
The technical scheme of the utility model is as follows:
A detection device for leak inside and outside gas cylinder valve for detect gas cylinder valve and reveal, include
A three-way valve, one of the connecting ports of the three-way valve is connected with the gas cylinder valve,
One end of the first connecting pipe is connected with one connecting port of the three-way valve,
A vacuum baffle valve connected with the other end of the first connecting pipe,
The vacuum gauge is connected to the first connecting pipe and is positioned between the three-way valve and the vacuum baffle valve,
And the vacuum pump is connected with the vacuum baffle valve.
As a further technical scheme, the three-way valve further comprises a deflation piece, and the deflation piece is connected with one of the connection ports of the three-way valve.
As a further technical scheme, the three-way valve is a two-position three-way electromagnetic valve.
The working principle and the beneficial effects of the utility model are as follows:
When the internal and external leakage detection is needed to be carried out on the gas cylinder valve, the gas cylinder valve is opened, the three-way valve is controlled to be communicated with a pipeline where the air discharging piece is located, so that the gas in the gas cylinder is at atmospheric pressure, the gas cylinder valve is closed, the three-way valve is controlled to be communicated with a first connecting pipeline, the vacuum baffle valve is opened, and after the vacuum degree in the pipeline reaches the set value of the vacuum gauge, the vacuum baffle valve is closed. Judging the leakage condition of the gas cylinder valve by using a vacuum gauge: if the vacuum gauge value changes rapidly, the diaphragm is damaged; if the vacuum gauge value changes slowly, the valve core is damaged; if the vacuum gauge value is unchanged, the valve core of the gas cylinder is not damaged. Compared with the detection technology of the internal and external leakage of the existing gas cylinder valve, the embodiment is simple and convenient to operate, used parts are high in substitution and convenient to purchase, the adopted judgment mode of the embodiment is simple and convenient, the manual judgment error rate is low, the program judgment can be selected, the manual misjudgment can be effectively avoided, in the embodiment, the detection of a plurality of gas cylinder valves can be simultaneously carried out, only the gas outlet merging pipelines of the gas discharging parts of the detection device of the internal and external leakage of the plurality of gas cylinder valves are needed, and the gas inlet pipelines of the vacuum pump are merged, so that the simultaneous detection of the plurality of gas cylinder valves can be realized.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
In the figure: three-way valve-1, first connecting pipe-2, vacuum baffle valve-3, vacuum gauge-4, vacuum pump-5, air bleeder-6, gas cylinder-7.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in FIG. 1, the present embodiment provides a device for detecting leakage inside and outside a gas cylinder valve, for detecting whether the gas cylinder valve is leaking, including
The three-way valve 1, one of the connecting ports of the three-way valve 1 is connected with the valve of the gas cylinder 7,
A first connecting pipe 2, one end of the first connecting pipe 2 is connected with one connecting port of the three-way valve 1,
A vacuum baffle valve 3, wherein the vacuum baffle valve 3 is connected with the other end of the first connecting pipe,
A vacuum gauge 4, the vacuum gauge 4 is connected on the first connecting pipe and is positioned between the three-way valve 1 and the vacuum baffle valve 3,
And the vacuum pump 5 is connected with the vacuum baffle valve 3.
In this embodiment, considering that the existing detection technology of the internal and external leakage of the gas cylinder valve is inconvenient for batch simplifying operation, in order to solve this problem, this embodiment specially designs a set of detection device for the internal and external leakage of the gas cylinder valve. In this embodiment, the air inlet of the three-way valve 1 is connected with the air bottle valve on the air bottle 7, the vacuum gauge 4 is connected with the first connecting pipe 2 of the three-way valve 1 for detecting the vacuum degree of the pipeline, the vacuum baffle valve 3 is connected with one end of the first connecting pipe 2, the vacuum pump 5 is connected behind the vacuum baffle valve 3 and the vacuum pump 5 is in a normally open state, and the vacuum baffle valve 3 is used for cutting off the connecting pipeline of the vacuum pump 5 and the vacuum gauge 4.
In this embodiment, considering that there may be gas in the gas cylinder 7, when the gas cylinder valve needs to be detected by internal and external leakage, the gas cylinder valve is opened, the three-way valve 1 is controlled to be communicated with a pipeline where the deflation piece 6 is located, so that the gas in the gas cylinder is at atmospheric pressure, the gas cylinder valve is closed, the three-way valve 1 is controlled to be communicated with the first connecting pipeline 2, the vacuum baffle valve 3 is opened, and after the vacuum degree in the pipeline reaches the set value of the vacuum gauge 4, the vacuum baffle valve 3 is closed. Judging the leakage condition of the gas cylinder valve by using a vacuum gauge 4: if the numerical value of the vacuum gauge 4 changes quickly, the diaphragm is damaged; if the value of the vacuum gauge 4 changes slowly, the valve core is damaged; if the value of the vacuum gauge 4 is unchanged, the valve core of the gas cylinder is not damaged. Compared with the detection technology of the internal and external leakage of the existing gas cylinder valve, the embodiment is simple and convenient to operate, used parts are high in substitution and convenient to purchase, the adopted judgment mode of the embodiment is simple and convenient, the manual judgment error rate is low, the program judgment can be selected, the manual misjudgment can be effectively avoided, in the embodiment, the detection of a plurality of gas cylinder valves can be simultaneously carried out, only the gas outlet merging pipelines of the gas discharging parts 6 of the detection device for the internal and external leakage of the gas cylinder valve of the gas cylinders 7 are needed, and the gas inlet pipelines of the vacuum pump 5 are merged, so that whether the gas cylinder valves of the gas cylinders 7 leak can be simultaneously detected.
Further, the three-way valve 1 further comprises a deflation piece 6, and the deflation piece 6 is connected with one of the connection ports of the three-way valve 1. In the embodiment, the air release piece 6 is a one-way valve, and the one-way valve can effectively avoid misjudgment when the three-way valve 1 is not tightly sealed, thereby playing a role in safety.
Further, the three-way valve 1 is a two-position three-way electromagnetic valve. In the embodiment, the three-way valve 1 is an electromagnetic two-position three-way valve, and the electromagnetic valve is selected to enable the control to be simpler and more convenient and faster, so that the labor intensity of operators is reduced.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (3)

1. A detection device for leak inside and outside gas cylinder valve for detect gas cylinder valve and reveal, its characterized in that includes
A three-way valve (1), wherein one connecting port of the three-way valve (1) is connected with the gas cylinder valve,
A first connecting pipe (2), one end of the first connecting pipe (2) is connected with one of the connecting ports of the three-way valve (1),
A vacuum baffle valve (3), wherein the vacuum baffle valve (3) is connected with the other end of the first connecting pipe,
A vacuum gauge (4), wherein the vacuum gauge (4) is connected to the first connecting pipe and is positioned between the three-way valve (1) and the vacuum baffle valve (3),
And the vacuum pump (5) is connected with the vacuum baffle valve (3).
2. The device for detecting the leakage inside and outside the valve of the gas cylinder according to claim 1, wherein the three-way valve (1) further comprises
The air release piece (6), the air release piece (6) is connected with one of the connecting ports of the three-way valve (1).
3. The device for detecting the internal and external leakage of the gas cylinder valve according to claim 1, wherein the three-way valve (1) is a two-position three-way electromagnetic valve.
CN202323318865.6U 2023-12-06 2023-12-06 Detection device for internal and external leakage of gas cylinder valve Active CN221198847U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323318865.6U CN221198847U (en) 2023-12-06 2023-12-06 Detection device for internal and external leakage of gas cylinder valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323318865.6U CN221198847U (en) 2023-12-06 2023-12-06 Detection device for internal and external leakage of gas cylinder valve

Publications (1)

Publication Number Publication Date
CN221198847U true CN221198847U (en) 2024-06-21

Family

ID=91494471

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323318865.6U Active CN221198847U (en) 2023-12-06 2023-12-06 Detection device for internal and external leakage of gas cylinder valve

Country Status (1)

Country Link
CN (1) CN221198847U (en)

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