CN215374487U - Under-voltage closing detection table - Google Patents
Under-voltage closing detection table Download PDFInfo
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- CN215374487U CN215374487U CN202121412061.0U CN202121412061U CN215374487U CN 215374487 U CN215374487 U CN 215374487U CN 202121412061 U CN202121412061 U CN 202121412061U CN 215374487 U CN215374487 U CN 215374487U
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Abstract
The utility model discloses an under-pressure closing detection table which comprises an air pump, a pressure reducing valve, a barometer, a workbench and a sealing clamping mechanism, wherein the sealing clamping mechanism and the barometer are arranged on the workbench, an air outlet pipe is also arranged on the workbench, the sealing clamping mechanism tightly seals and presses a fuel gas self-closing valve and communicates with the port of the air outlet pipe, the air pump, the pressure reducing valve and the air outlet pipe are connected through a pipeline, a first electromagnetic valve is arranged between the pressure reducing valve and the air outlet pipe, the barometer is arranged on the air inlet pipe, an air cylinder and the air pump are communicated through the pipeline, a second electromagnetic valve is arranged on the pipeline, an electromagnetic pressure relief valve is connected on the air outlet pipe, and the electromagnetic pressure relief valve is controlled by a button switch. Therefore, the technical effects of reliable structure and convenient detection are realized.
Description
Technical Field
The utility model relates to detection equipment for factory detection of a gas self-closing valve, in particular to an under-pressure closing detection table.
Background
The gas self-closing valve is widely used on a gas pipeline, has the functions of under-pressure closing and overpressure closing, needs to be detected whether to close according to the state of an under-pressure range set by the industry when leaving a factory, generally needs to be charged with stable air pressure when detecting the under-pressure closing, and leads the air pressure to be reduced to the state of 600-1000 pa, and then the gas self-closing valve is subjected to air inlet detection whether to close or not for detecting whether the self-closing condition under the under-pressure state is normal.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide an under-voltage shutdown detection station with reliable structure and convenient detection, so as to greatly improve the detection accuracy and efficiency.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an under-voltage closes and examines test table, includes air pump, relief pressure valve, barometer, workstation and sealed clamping mechanism, sealed clamping mechanism and barometer set up on the workstation, still be equipped with the outlet duct on the workstation, sealed clamping mechanism compresses tightly the gas self-closing valve seal and communicates on the outlet duct port, through the pipe connection between air pump, relief pressure valve and the outlet duct the relief pressure valve with be provided with first solenoid valve between the outlet duct, the barometer is installed on the outlet duct, still include the cylinder, the cylinder with by the pipeline intercommunication and dispose the second solenoid valve on the pipeline between the air pump be connected with electromagnetic relief valve on the outlet duct, electromagnetic relief valve is by button switch control.
The sealing and clamping mechanism comprises a positioning frame plate for positioning the gas self-closing valve, an air cylinder is installed on one side of the positioning frame plate, a sealing plug is connected to the end portion of a piston rod of the air cylinder, the gas self-closing valve is placed on the positioning frame plate for positioning, the air cylinder pushes out the sealing plug, so that the air inlet end of the gas self-closing valve is communicated with the outlet end of the air outlet pipe, and the air outlet end of the gas self-closing valve is blocked by the sealing plug.
And a rubber sealing ring is arranged at the outlet end of the air outlet pipe.
According to the structure, the air outlet pressure of the air pump is reduced to 2000pa air pressure through the pressure reducing valve to be output, after the first electromagnetic valve is opened, the air of the air pressure is introduced into the inner cavity of the gas self-closing valve with under-pressure detection, the electromagnetic pressure reducing valve is opened to release air, the gas self-closing valve is automatically closed under the air pressure between the air pressure release pressure and 600pa-1000pa through observing an air pressure gauge, the product is detected to be qualified, the gas self-closing valve can be placed on the positioning frame plate and then tightly pressed on the port of the air outlet pipe through the sealing clamping mechanism, the operation is convenient, the air tightness is good, and the technical effects of reliable structure and convenience in detection are achieved.
The utility model is further described with reference to the following figures and detailed description.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will now be described specifically by way of examples.
As shown in fig. 1, the embodiment discloses an under-pressure closing detection table, which comprises an air pump 1, a pressure reducing valve 2, a barometer 3, a workbench 4 and a sealing and clamping mechanism 5, wherein the pressure reducing valve 2 is a valve which reduces the inlet pressure to a certain required outlet pressure by adjustment and automatically keeps the outlet pressure stable by the energy of a medium, the sealing and clamping mechanism 5 and the barometer 3 are arranged on the workbench 4, an air outlet pipe 6 is also arranged on the workbench 4, the sealing and clamping mechanism 5 hermetically presses and communicates a gas self-closing valve 10 on the port of the air outlet pipe 6, the air pump 1, the pressure reducing valve 2 and the air outlet pipe 6 are connected by a pipeline, a first electromagnetic valve 7 is arranged between the pressure reducing valve 2 and the air outlet pipe 6, the barometer 3 is arranged on the air outlet pipe 6, an air cylinder 52 and the air pump 1 are communicated by a pipeline, and a second electromagnetic valve 8 is arranged on the pipeline, an electromagnetic pressure relief valve 9 is connected to the air outlet pipe 6, the electromagnetic pressure relief valve 9 can be provided with holes to enable air pressure to be slowly reduced, and the electromagnetic pressure relief valve 9 is controlled by a button switch.
The sealing and clamping mechanism 5 comprises a positioning frame plate 51 for positioning the gas self-closing valve 10, an air cylinder 52 is installed on one side of the positioning frame plate 51, a sealing plug 53 is connected to the end portion of a piston rod of the air cylinder 52, the gas self-closing valve 10 is placed on the positioning frame plate 51 for positioning, the air cylinder 52 pushes out the sealing plug 53, so that the gas inlet end of the gas self-closing valve 10 is communicated with the outlet end of the gas outlet pipe 6, and the gas outlet end of the gas self-closing valve 10 is blocked by the sealing plug 53. Through the structure, the gas self-closing valve 10 for detecting the under-pressure closing can be reliably positioned on the positioning frame plate 51, the air cylinder 52 can push the sealing plug 53 to plug the gas outlet of the gas self-closing valve 10, and the gas inlet of the gas self-closing valve 10 is communicated with the gas outlet of the gas outlet pipe 6 in a sealing contact manner, so that gas leakage can be avoided during detection, and the detection precision is higher.
A rubber sealing ring (not shown) is arranged at the outlet end of the outlet pipe 6. Through the structure, the tightness between the air outlet of the air outlet pipe 6 and the air inlet of the gas self-closing valve 10 to be subjected to under-pressure detection is better, and the detection precision is further improved.
By adopting the technical scheme, the air outlet pressure of the air pump 1 is reduced to 2000pa air pressure through the pressure reducing valve 2 for output, after the first electromagnetic valve 7 is opened, the air of the air pressure is introduced into the inner cavity of the gas self-closing valve 10 with under-pressure detection, the electromagnetic pressure relief valve 9 is opened for air leakage, and by observing the barometer 3, the gas self-closing valve 10 is automatically closed under the air pressure between the air pressure leakage and 600pa-1000pa, so that the product is detected to be qualified, and the gas self-closing valve 10 can be placed on the positioning frame plate 51 and then is pressed on the port of the air outlet pipe 6 through the sealing and clamping mechanism 5.
Claims (3)
1. The utility model provides an under-voltage closes and examines test table which characterized in that: including air pump, relief pressure valve, barometer, workstation and sealed clamping mechanism, sealed clamping mechanism and barometer set up on the workstation, still be equipped with the outlet duct on the workstation, sealed clamping mechanism compresses tightly the gas self-closing valve seal and communicates on the outlet duct port, through the pipe connection between air pump, relief pressure valve and the outlet duct the relief pressure valve with be provided with first solenoid valve between the outlet duct, the barometer is installed on the outlet duct, still include the cylinder, the cylinder with dispose the second solenoid valve by the pipeline intercommunication and on the pipeline between the air pump be connected with electromagnetic relief valve on the outlet duct, electromagnetic relief valve is controlled by button switch.
2. The under-voltage shutdown detection station of claim 1, wherein: the sealing and clamping mechanism comprises a positioning frame plate for positioning the gas self-closing valve, an air cylinder is installed on one side of the positioning frame plate, a sealing plug is connected to the end portion of a piston rod of the air cylinder, the gas self-closing valve is placed on the positioning frame plate for positioning, the air cylinder pushes out the sealing plug, so that the air inlet end of the gas self-closing valve is communicated with the outlet end of the air outlet pipe, and the air outlet end of the gas self-closing valve is blocked by the sealing plug.
3. The under-voltage shutdown detection station of claim 2, wherein: and a rubber sealing ring is arranged at the outlet end of the air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121412061.0U CN215374487U (en) | 2021-06-24 | 2021-06-24 | Under-voltage closing detection table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121412061.0U CN215374487U (en) | 2021-06-24 | 2021-06-24 | Under-voltage closing detection table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215374487U true CN215374487U (en) | 2021-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121412061.0U Active CN215374487U (en) | 2021-06-24 | 2021-06-24 | Under-voltage closing detection table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215374487U (en) |
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2021
- 2021-06-24 CN CN202121412061.0U patent/CN215374487U/en active Active
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