CN216955042U - Quick air tightness detection device for closed valve - Google Patents
Quick air tightness detection device for closed valve Download PDFInfo
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- CN216955042U CN216955042U CN202123081922.4U CN202123081922U CN216955042U CN 216955042 U CN216955042 U CN 216955042U CN 202123081922 U CN202123081922 U CN 202123081922U CN 216955042 U CN216955042 U CN 216955042U
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Abstract
The utility model relates to a quick airtight detection device for a closed valve, which comprises a pressure bin, a support, an upper driving mechanism, a lower driving mechanism and an air disc, wherein the pressure bin is of a hollow structure, the top of the pressure bin is provided with an opening matched with the valve, the valve is placed at the top of the pressure bin, the openings of the valve and the pressure bin are arranged oppositely, the side surface of the pressure bin is provided with a pressure relief valve and an air inlet pipe, the air inlet pipe is connected with an air source, the air disc is arranged right above the valve, the top of the air disc is connected with the upper driving mechanism and the lower driving mechanism, the air disc is driven by the upper driving mechanism and the lower driving mechanism to move up and down, and the upper driving mechanism and the lower driving mechanism are installed on the support. According to the utility model, the air cylinder drives the pressure plate to move downwards until the valve is compressed, the lower end of the valve is tightly sealed with the pressure bin and is communicated with the cavity of the pressure bin, air is supplied through the air source, and after the pressure is stable, the flowmeter is observed to read out the air leakage and judge whether the air leakage is qualified or not; the detection device has the advantages of simple structure, convenient operation, reliable detection and low equipment cost.
Description
Technical Field
The utility model relates to the technical field of valve airtightness detection, in particular to a device for quickly detecting airtightness of a closed valve.
Background
The air tightness detection of the closed valve is an important part in the production link of the closed valve, the existing detection method is to clamp the closed valve on detection equipment by a flange, and the assembling and disassembling period of bolt clamping in the detection mode is long, so that the air tightness detection of the closed valve is long in operation time and is more outstanding in contradiction with high-efficiency productivity.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a quick airtight detection device for a closed valve, which is used for solving the problems of long operation time and low working efficiency in a flange clamping detection mode in the prior art.
The utility model provides a quick airtight detection device for a closed valve, which comprises a pressure bin, a support, an upper driving mechanism, a lower driving mechanism and an air disc, wherein the pressure bin is of a hollow structure, the top of the pressure bin is provided with an opening matched with the valve, the valve is placed at the top of the pressure bin, the openings of the valve and the pressure bin are arranged oppositely, the side surface of the pressure bin is provided with a pressure overflow valve and an air inlet pipe, the air inlet pipe is connected with an air source, the air disc is arranged right above the valve, the top of the air disc is connected with the upper driving mechanism and the lower driving mechanism, the air disc is driven by the upper driving mechanism and the lower driving mechanism to move up and down, and the upper driving mechanism and the lower driving mechanism are arranged on the support.
Furthermore, a sealing rubber ring is arranged at the opening at the top of the pressure bin, so that the sealing effect of the pressure bin and the valve is improved.
Further, the up-down driving mechanism is an air cylinder.
Further, the support includes pillar and cantilever, the one end of pillar and cantilever is fixed, upper and lower actuating mechanism fixed mounting is at the other end of cantilever, pillar and cantilever form the type of falling L structure.
Furthermore, a micro-flow meter is arranged on the air inlet pipe.
Further, an air source pressure gauge is installed on the air inlet pipe and close to the air source end.
The technical scheme of the utility model has the beneficial effects that:
according to the utility model, the air cylinder drives the pressure plate to move downwards until the valve is compressed, the lower end of the valve is tightly sealed with the pressure bin and is communicated with the cavity of the pressure bin, air is supplied through the air source, and after the pressure is stable, the flowmeter is observed to read out the air leakage and judge whether the air leakage is qualified or not; the detection device has the advantages of simple structure, convenient operation, reliable detection and low equipment cost.
Drawings
FIG. 1 is a schematic structural view of a rapid airtightness detection device for a sealed valve according to the present invention;
in the drawings, the reference numbers indicate the following list of parts:
1-pressure bin, 2-bracket, 21-pillar, 22-cantilever, 3-up and down driving mechanism, 4-air disc, 5-valve, 6-rubber ring, 7-pressure relief valve, 8-air inlet pipe, 9-micro flow meter and 10-air source pressure gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
As shown in figure 1, the utility model provides a device for detecting the rapid air tightness of a closed valve, which comprises a pressure bin 1, a bracket 2, an upper and lower driving mechanism 3 and an air disc 4, the pressure bin 1 is of a hollow structure, the top of the pressure bin 1 is provided with an opening matched with the valve 5, the valve 5 is placed at the top of the pressure bin 1, the openings of the valve and the pressure bin are arranged oppositely, the opening at the top of the pressure bin 1 is provided with a sealing rubber ring 6, when the valve 5 is tightly pressed on the top of the pressure chamber 1, the valve and the pressure chamber are hermetically connected, a pressure relief valve 7 and an air inlet pipe 8 are arranged on the side surface of the pressure chamber 1, a micro-flow meter 9 is arranged on the air inlet pipe 8, the air inlet pipe 8 is connected with an air source, an air disc 4 is arranged right above the valve 5, the top of the air disc 4 is connected with an upper driving mechanism 3 and a lower driving mechanism 3, the upper driving mechanism 3 drives the air disc 4 to move up and down, and the upper driving mechanism 3 and the lower driving mechanism 3 are installed on the support 2. In the embodiment, the upper and lower driving mechanism 3 drives the air disc 4 to move downwards, the air disc 4 compresses the upper end of the valve 5, at the moment, the valve 5 is in sealing connection with the pressure bin 1, air is supplied to the pressure bin 1 through the air source, and after the pressure is stable, the micro-flow meter 9 is observed to read air leakage and judge whether the air leakage is qualified.
Specifically, the up-down driving mechanism 3 is a cylinder.
Specifically, the support 2 includes a support column 21 and a cantilever 22, one end of the support column 21 and one end of the cantilever 22 are fixed, the up-down driving mechanism 3 is fixedly installed at the other end of the cantilever 22, and the support column 21 and the cantilever 22 form an inverted L-shaped structure.
Preferably, an air source pressure gauge 10 is installed on the air inlet pipe 8 near the air source end, so that the air source pressure can be observed conveniently.
In conclusion, the air cylinder drives the pressure plate to move downwards until the valve is pressed, the lower end of the valve is tightly pressed with the pressure bin in a sealing way and is communicated with the cavity of the pressure bin, air is supplied through the air source, and the air leakage is read and judged to be qualified by observing the flowmeter after the pressure is stable; the detection device has the advantages of simple structure, convenient operation, reliable detection and low equipment cost.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The quick airtight valve airtightness detection device is characterized by comprising a pressure bin, a support, an upper driving mechanism, a lower driving mechanism and an air disc, wherein the pressure bin is of a hollow structure, the top of the pressure bin is provided with an opening matched with a valve, the valve is placed at the top of the pressure bin, the opening of the valve is opposite to the opening of the pressure bin, an overflow valve and an air inlet pipe are installed on the side face of the pressure bin, the air inlet pipe is connected with an air source, the air disc is arranged right above the valve, the top of the air disc is connected with the upper driving mechanism and the lower driving mechanism, the upper driving mechanism and the lower driving mechanism drive the air disc to move up and down, and the upper driving mechanism and the lower driving mechanism are installed on the support.
2. The device for detecting the rapid air tightness of the closed valve according to claim 1, wherein a sealing rubber ring is arranged at an opening at the top of the pressure bin and used for improving the sealing effect of the pressure bin and the valve.
3. A rapid airtightness detection apparatus for a hermetic valve according to claim 1, wherein the upper and lower driving mechanisms are air cylinders.
4. The rapid airtightness detection apparatus for a hermetic valve according to claim 1, wherein the support includes a support pillar and a cantilever, one end of the support pillar is fixed to one end of the cantilever, the up-down driving mechanism is fixedly mounted to the other end of the cantilever, and the support pillar and the cantilever form an inverted L-shaped structure.
5. A rapid airtightness detection apparatus for a hermetic valve according to claim 1, wherein a micro flow meter is installed on the intake pipe.
6. The rapid airtightness detection apparatus for the airtight valve according to claim 1, wherein an air source pressure gauge is installed on the air inlet pipe near the air source end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123081922.4U CN216955042U (en) | 2021-12-09 | 2021-12-09 | Quick air tightness detection device for closed valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123081922.4U CN216955042U (en) | 2021-12-09 | 2021-12-09 | Quick air tightness detection device for closed valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216955042U true CN216955042U (en) | 2022-07-12 |
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ID=82306442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123081922.4U Active CN216955042U (en) | 2021-12-09 | 2021-12-09 | Quick air tightness detection device for closed valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216955042U (en) |
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2021
- 2021-12-09 CN CN202123081922.4U patent/CN216955042U/en active Active
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