CN212458870U - Air pressure regulating valve detection device - Google Patents
Air pressure regulating valve detection device Download PDFInfo
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- CN212458870U CN212458870U CN202022127985.8U CN202022127985U CN212458870U CN 212458870 U CN212458870 U CN 212458870U CN 202022127985 U CN202022127985 U CN 202022127985U CN 212458870 U CN212458870 U CN 212458870U
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Abstract
The utility model provides a pneumatic control valve detection device. The device comprises a first air path, a second air path and a fixing device, wherein a closed cavity for accommodating the air pressure regulating valve is arranged on the fixing device, a first vent hole and a second vent hole which are communicated with the cavity are formed in the fixing device, the positive pressure end of the air pressure regulating valve is communicated with the second vent hole, and the negative pressure end of the air pressure regulating valve is communicated with the cavity; an external air source flows into the first vent hole through the first air channel, flows to the second vent hole through the air pressure regulating valve, and is discharged into the first water container through the exhaust pipe; and an external air source flows into the first air hole from the second air hole through the second air passage, flows through the air pressure regulating valve and is discharged into the second water container through the exhaust pipe. The utility model discloses can make the test of air pressure regulating valve more simple and convenient, improve work efficiency.
Description
Technical Field
The utility model relates to an air pressure regulating valve technical field, concretely relates to air pressure regulating valve detection device.
Background
Some precision instruments need to be located in a closed chamber during working, and the pressure in the closed chamber needs to be ensured within a certain range, and the pressure in the cavity is regulated by a high-sensitivity air pressure regulating valve, so that it is necessary to detect the jump pressure threshold of the air pressure regulating valve to judge whether the air pressure regulating valve meets the requirement of pressure regulation.
In the prior art, the air pressure regulating valve is usually detected by communicating the air pressure regulating valve with a universal detection device and fixing the air pressure regulating valve and an external testing device by using a tool clamp. During detection of the tool, the detection of the two-way take-off pressure threshold of the air pressure regulating valve is realized by clamping the product in the positive and negative directions.
However, the detection device in the prior art has a complex structure, a complex operation process and low efficiency.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a pneumatic control valve detection device together overcomes among the prior art pneumatic control valve clamping structure complicacy, the problem that operation process is loaded down with trivial details, inefficiency.
The utility model provides a technical scheme of above-mentioned technical problem is: a detection device for an air pressure regulating valve comprises a fixing device, a first air path and a second air path; the fixing device is provided with a closed cavity for accommodating the air pressure regulating valve, a first vent hole and a second vent hole which are communicated with the cavity are formed in the fixing device, the positive pressure end of the air pressure regulating valve is communicated with the second vent hole, and the negative pressure end of the air pressure regulating valve is communicated with the cavity;
when negative pressure detection is carried out, an external air source flows into the second ventilating hole from the first ventilating hole through the air pressure regulating valve through the first air path and is exhausted into the first water container through the exhaust pipe;
when positive pressure detection is carried out, an external air source flows into the first vent hole from the first vent hole through the first air passage, flows into the second vent hole through the air pressure regulating valve and is discharged into the first water container through the exhaust pipe.
In an optional embodiment, the first air path and the second air path are switched with each other through a reversing valve, and the reversing valve is communicated with a main pipeline.
In an optional embodiment, the external gas source is connected with the reversing valve through the main pipeline, the main pipeline is sequentially provided with a first ball valve, a first one-way throttle valve and a gas tank along the gas flow direction, and a pressure gauge is connected beside the pipeline between the first one-way throttle valve and the gas tank.
In an optional embodiment, an air passage seat is arranged on the main pipeline, a through hole communicated with the main pipeline is formed in the middle of the air passage seat, the air passage seat is connected with a second one-way throttle valve through a branch pipeline, a second ball valve is arranged on the branch pipeline, and the air passage seat is installed on the fixing device.
In an alternative embodiment, the pressing device includes a pressing block and a link mechanism, and the pressing block presses or releases the detection cover through the link mechanism.
In an optional embodiment, the upper part of the detection seat is provided with a columnar boss structure, and the bottom of the inner cavity of the detection cover is provided with a groove matched with the columnar boss structure.
In an alternative embodiment, the boss surface of the cylindrical boss structure is provided with a first annular groove for mounting a first seal ring.
In an alternative embodiment, the positive pressure end of the air pressure regulating valve is mounted in the second vent hole, and a second annular groove for mounting a second sealing ring is arranged in the second vent hole.
In an optional embodiment, the fixing device comprises a mounting seat, a detection seat and a detection cover, the detection seat is fixed on the mounting seat, the detection cover enables the detection cover, the first sealing ring and the detection seat to be mutually pressed through a pressing device to form the cavity, and the first vent hole and the second vent hole are arranged in the detection seat and are communicated with the cavity.
The embodiment of the utility model provides a pressure regulating valve detection device, through with the both ends of pressure regulating valve respectively with the tube coupling, during the simulation malleation, the pipeline is gaseous to be admitted air from the malleation end, during the simulation negative pressure, is equivalent to external pressure big than instrument internal pressure, consequently designs to the pipeline is gaseous to be admitted air from the negative pressure end. The tail ends of the pipelines of the positive pressure and the negative pressure are communicated with a water container filled with water, and the air inlet or exhaust process of the air pressure regulating valve can be observed in real time through bubbles in the water, so that the air pressure regulating valve is more convenient to test, and the working efficiency is improved.
Drawings
Fig. 1 is a structural view of a detection device for an air pressure regulating valve according to an embodiment of the present invention;
FIG. 2 is a perspective view of FIG. 1;
fig. 3 is a sectional view of a testing seat according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a detection cover according to an embodiment of the present invention;
fig. 5 is a partial structural view of a pressing device according to an embodiment of the present invention;
fig. 6 is a diagram showing a simulation of air pressure of an air pressure regulating valve according to an embodiment of the present invention;
fig. 7 is a pneumatic circuit diagram of a detection apparatus according to an embodiment of the present invention.
Description of reference numerals:
10-a fixture; 11-a detection cover; 111-grooves; 12-a detection seat; 13-a mounting seat; 14-a second sealing ring; 121-a first vent; 122-a second vent; 123-a first annular groove; 124-a second annular groove; 125-a first seal ring; 20-air pressure regulating valve; 30-a pressing device; 31-a handle; 32-connecting blocks; 33-a pressure bar; 34-briquetting; 35-a connecting seat; 36-a support; 41-a first ball valve; 42-a first one-way throttle valve; 43-gas circuit seat; 431-a second one-way throttle valve; 432-a second ball valve; 44-a gas tank; 45-pipe joint; 46-a reversing valve; 47-a first water container; 48-an exhaust pipe; 49-pressure gauge; 50-a main pipeline; 51-second water container.
Detailed Description
In order to simplify the operation process and the tool of the air pressure regulating valve, the utility model provides an air pressure regulating valve detection device, the air pressure regulating valve is arranged in a closed cavity, two holes communicated with the closed cavity are arranged, the positive pressure end of the air pressure regulating valve is arranged in one of the holes, and the negative pressure end of the air pressure regulating valve is communicated with the cavity; ventilating a mounting hole at the positive pressure end of the air pressure regulating valve through an air path, conducting the air pressure regulating valve when the pressure reaches the set pressure for opening the air pressure regulating valve, discharging the air at the negative pressure end into the water container through a pipeline, and judging whether the positive jump pressure threshold of the air pressure regulating valve is qualified or not through whether the water container bubbles or not; the air pressure in the chamber is larger than the pressure in the air pressure regulating valve, so that the negative pressure end of the air pressure regulating valve is communicated with air flow under the action of negative pressure, the air flow is conducted when the pressure reaches the reverse opening set pressure of the air pressure regulating valve, the air at the positive pressure end is discharged into the water container through the pipeline, and whether the reverse jump-up pressure threshold of the air pressure regulating valve is qualified is judged through whether the water container bubbles. Specific reference is made to the following examples.
Referring to fig. 1 to 7, the present embodiment provides a detection device for an air pressure regulating valve, which includes a first air passage, a second air passage, and a fixing device 10.
Wherein, the fixing device 10 is provided with a closed chamber for accommodating the air pressure adjusting valve 20. By arranging the air pressure regulating valve 20 in the closed chamber, negative pressure detection of the air pressure regulating valve 20 can be realized, that is, pressure change in the closed chamber realizes pressure difference change between the inside and the outside of the air pressure regulating valve 20, and the air pressure regulating valve 20 can be opened in the forward and reverse directions in the pressure difference change process.
In order to facilitate the air pressure adjustment of the air pressure adjusting valve 20, a first vent hole 121 and a second vent hole 122 communicated with the chamber are formed in the fixing device 10, the positive pressure end (inlet of the positive vent) of the air pressure adjusting valve 20 is communicated with the second vent hole 122, and the negative pressure end (inlet of the reverse vent) of the air pressure adjusting valve 20 is communicated with the chamber. That is, the positive pressure end of the air pressure regulating valve 20 is communicated with the second vent 122, alternatively, the positive pressure end of the air pressure regulating valve 20 can be directly installed in the second vent 122, and the second vent 122 is used for forward air intake to the air pressure regulating valve 20 on one hand and is convenient for installation of the air pressure regulating valve 20 on the other hand; the negative pressure end of the air pressure regulating valve 20 is arranged in the chamber and is communicated with the first vent hole 121 through the space of the chamber, so that negative pressure is formed conveniently, and the real operating environment of the air pressure regulating valve 20 is simulated.
When the pressure of the air pressure regulating valve 20 is detected, an external air source is divided into two air paths before flowing into the air pressure regulating valve 20, one first air path can enter the chamber from the first vent hole 121, when the pressure in the chamber is greater than the negative tripping pressure in the air pressure regulating valve 20, the air flows into the second vent hole 122 through the air pressure regulating valve 20 under the action of negative pressure, discharged air is discharged into the first water container 47 through the exhaust pipe 48, specifically, discharged into the water surface of the first water container 47, and whether the reverse tripping pressure of the air pressure regulating valve 20 meets the requirement is judged by observing whether the first water container 47 bubbles, so that the negative pressure detection of the instrument is completed.
Similarly, another second air path flows into the air pressure regulating valve 20 from between the second vent holes 122, when the air inlet pressure reaches the positive jump-up pressure of the air pressure regulating valve 20, the air flow flows into the chamber through the air pressure regulating valve 20, and is discharged into the second water container 51 from the closed chamber through the first vent hole 121, and whether the positive jump-up pressure of the air pressure regulating valve 20 meets the requirement is judged by observing whether the second water container 51 bubbles, so that the positive pressure detection of the instrument is completed.
The detection of the reverse take-off pressure of air pressure regulating valve 20 is realized through the principle that utilizes the negative pressure to this embodiment, specifically through setting up air pressure regulating valve 20 in inclosed cavity, through changing the pressure in the cavity, realizes that the inside and outside differential pressure of air pressure regulating valve 20 changes to can just can carry out malleation detection and reverse detection in the direction that need not to change air pressure regulating valve 20 in same set of detection device. Whether the air pressure adjusting valve 20 can be conducted under a given pressure is judged, and whether the air pressure adjusting valve is conducted is judged by introducing the conducted air flow into the water container and observing the condition of bubbles in the water container.
In order to realize the positive pressure detection and the negative pressure detection of the air pressure regulating valve 20, the first air path and the second air path are switched with each other through the reversing valve 46.
Alternatively, as shown in fig. 7, the reversing valve 46 is a five-port two-position valve, which has five ports 1 to 5 marked in the drawing, and when the spool of the five-port two-position valve is in the first position, the ports 1, 4, 2 and 3 of the five-port two-position valve can be opened to form part of the first air path; when the valve core of the five-port two-position valve is at the second position, the valve ports 1, 2, 4 and 5 of the five-port two-position valve can be opened to form part of the second air path. Wherein the 3 and 4 valve ports are respectively connected with the first water container 47 and the second water container 51, the 4 and 5 are respectively communicated with the first vent hole 121 and the second vent hole 122, and the 1 position is connected with an external air source. That is to say, the switching between the first air path and the second air path can be realized by reversing the five-port two-position valve, specifically, the switching can be realized by controlling a manual switch on the five-port two-position valve, and of course, the five-port two-position valve which is electromagnetically reversed can also be adopted.
In one possible implementation, an external air supply is connected to the inlet of the diverter valve 46 via a main line 50, and the pressure and flow into the pneumatic regulator needs to be controlled and monitored to simulate real sensing conditions. Optionally, a first ball valve 41 for opening and closing the gas source, a first one-way throttle valve 42 for regulating the flow rate of the gas flow, and a gas tank 44 for providing a stable gas pressure and a buffer effect are sequentially arranged on the main pipeline 50 along the gas flow direction, and a pressure gauge 49 is connected by the main pipeline 50 between the first one-way throttle valve 42 and the gas tank 44, and the pressure gauge 49 is used for detecting the gas pressure of the main pipeline 50.
In this embodiment, the pressure is uniformly increased at a speed suitable for observing and judging the value of the pressure gauge 49 by opening the first ball valve 41 and then adjusting the first one-way throttle valve 42; the air supply is stopped by closing the first ball valve 41 and the first check throttle valve 42. The regulation of the positive pressure high pressure, the positive pressure low pressure and the negative pressure high pressure and the negative pressure low pressure of the air pressure regulating valve 20 is realized by different pressure regulation.
In a possible implementation manner, an air path seat 43 is provided on the main pipeline 50, the air path seat 43 is similar to a joint, optionally, the air path seat 43 is provided with a columnar structure, a through hole communicated with the main pipeline 50 is provided in the middle, an opening is provided on the columnar body, and the opening is connected with a second one-way throttle valve 431 through a branch pipeline. In order to open and close the second check throttle valve 431, a second ball valve 432 is provided on the branch line, and the second check throttle valve 431 is opened and closed by the second ball valve 432, and one end of the air path seat 43 is fixedly installed on the fixing device 10.
By providing the gas circuit seat 43 structure on the main pipeline 50, a rapid pressure drop of the gas circuit can be realized, that is, the structure can be used as a pressure relief structure for improving the efficiency of the pressure drop. Specifically, the pressure value of the pressure gauge 49 is slowly and uniformly decreased at a speed suitable for observation and judgment by opening the second ball valve 432 and finely adjusting the one-way throttle valve.
The embodiment of the utility model provides a survey of the two-way pressure to air pressure regulating valve 20 adopts the condition of two kinds of pressure differentials of reverse thinking method simulation, with air pressure regulating valve 20's both ends respectively with the tube coupling, during the simulation malleation, the pipeline is gaseous to be admitted air from the malleation end, during the simulation negative pressure, is equivalent to external pressure big than container internal pressure, consequently designs to the pipeline is gaseous to be admitted air from the negative pressure end. The tail ends of the positive pressure pipeline and the negative pressure pipeline are communicated with a water container filled with water, and the air inlet or exhaust process of the air pressure regulating valve 20 can be observed in real time through air bubbles in the water.
During detection, when the air pressure regulating valve 20 performs positive pressure detection, the pressure entering the air pressure regulator is greater than or equal to a set value, the valve of the air pressure regulator can be automatically opened to exhaust air, when the air introduction is stopped, the pressure of the air pressure regulating valve 20 is reduced, and when the pressure is reduced to the set value, the valve is automatically closed. Similarly, when the air pressure regulating valve 20 performs negative pressure detection, the pressure entering the air pressure regulator is greater than or equal to a set value, and the valve of the air pressure regulator can automatically open to admit air at the moment, when the air introduction is stopped, the pressure of the air pressure regulating valve 20 is reduced, and when the pressure is reduced to the set value, the valve is automatically closed. The embodiment of the utility model provides a still provide a detection method of air pressure regulating valve detection device, specifically as follows:
before the test, the air pressure regulating valve 20 is arranged in the closed cavity on the fixing device 10, the air pressure regulating valve 20 is arranged in the second vent hole 122, all ball valves are set to be in a closed state, all one-way throttle valves are set to be in a minimum flow or closed state, and the opening part of the exhaust pipe 48 is lower than the water surface of the corresponding water container.
During positive pressure detection, the five-port two-position valve is switched to a second air passage, namely a passage formed by the ports 1, 2, 4 and 5, the first ball valve 41 is opened firstly, then the first one-way throttle valve 42 is adjusted, so that the pressure value of the pressure gauge 49 is uniformly increased at a speed suitable for observing and judging the value of the pressure gauge 49, and when the value of the pressure gauge 49 reaches + X1If the exhaust pipe 48 connected with the port 5 of the five-port two-position valve exhausts, namely bubbles exist in the water container, the positive pressure and high pressure of the air pressure regulating valve 20 can be judged to be qualified, otherwise, the positive pressure and high pressure are not qualified; under the qualified condition of positive pressure and high pressure, the first ball valve 41 and the first one-way throttle valve 42 are closed at the same time, the gas supply to the gas loop is stopped, and when the numerical value of the pressure gauge 49 is reduced to + X2If the exhaust pipe 48 connected with the port 5 of the five-port two-position valve stops exhausting, namely the bubbling in the water container stops, the positive pressure and the low pressure of the air pressure regulating valve 20 can be judged to be qualified, otherwise, the air pressure regulating valve is not qualified.
During negative pressure test, namely a passage formed by the ports 1, 4, 2 and 3, the first ball valve 41 is opened first, then the first one-way throttle valve 42 is adjusted, so that the pressure value of the pressure gauge 49 is uniformly increased at a speed suitable for observing and judging the value of the pressure gauge 49, and when the value of the pressure gauge 49 reaches-Y1In the meantime, if the exhaust pipe 48 connected to the port 3 of the five-port two-position valve is exhausted, that is, if there is air bubble in the water container, it can be determined that the negative pressure high pressure of the air pressure regulating valve 20 is qualifiedOtherwise, the product is not qualified; under the condition that the positive pressure and the high pressure are qualified, the first ball valve 41 and the first one-way throttle valve 42 are closed at the same time, the gas supply to the gas loop is stopped, and when the numerical value of the pressure gauge 49 is reduced to-Y2If the exhaust pipe 48 connected with the port 3 of the five-port two-position valve stops exhausting, namely the bubbling in the water container stops, the negative pressure low pressure of the air pressure regulating valve 20 can be judged to be qualified, otherwise, the negative pressure low pressure is not qualified.
Optionally, the above steps may further include: in the process of testing the positive pressure low pressure and the negative pressure low pressure, in order to improve the working efficiency, the second ball valve 432 and the second one-way throttle valve 431 can be adjusted to accelerate the decrease of the pressure value, specifically, the second ball valve 432 is opened, the second one-way throttle valve 431 is finely adjusted, the pressure value of the pressure gauge 49 is slowly and uniformly decreased at a speed suitable for observation and judgment, and the second ball valve 432 is closed after the positive pressure low pressure and the negative pressure low pressure are completed.
In one possible implementation, the fixing device 10 includes a mounting seat 13, a detection seat 12 and a detection cover 11, wherein the detection seat 12 is fixed on top of the mounting seat 13.
Optionally, the mounting base 13 is configured as a square housing structure, the pipeline connected to the first vent hole 121 and the second vent hole 122 is disposed in the housing of the mounting base 13, and one end of the air path base 43 is also mounted on the side wall of the mounting base, so as to facilitate the fixed mounting of the main pipeline 50; optionally, a gas canister 44 is provided in the interior cavity of the mounting block, and a five-port, two-position valve is also provided in the mounting block 13.
The detection seat 12 is arranged in a columnar structure, a first vent hole 121 and a second vent hole 122 are arranged in the detection seat 12, the first vent hole 121 and the second vent hole 122 vertically penetrate through the detection seat 12, a pipe joint 45 is arranged at the bottom of the first vent hole 121 and the bottom of the second vent hole 122, and the pipe joint 45 is used for being connected with a pipeline.
The detection cover 11 is arranged on the detection seat 12, the detection cover 11 is tightly attached to the detection seat 12 through the pressing device 30, the pressing device 30 is used for enabling the detection cover 11 and the detection seat 12 to form a closed accommodating cavity, and other air pressure regulating valves 20 are convenient to detach and replace to detect through the mode of pressing the detection cover. Alternatively, the sealing between the test cover 11 and the test base 12 can also be realized by means of a threaded connection. The detection cover 11 is disposed on the detection base 12 and covers the first vent hole 121 and the second vent hole 122.
In an alternative embodiment, the upper portion of the detection base 12 is provided with a column-shaped boss structure, the diameter of the inner cavity of the detection cover 11 is equal to the boss structure, the outer diameter of the detection cover 11 is larger than the outer diameter of the lower column of the detection base 12, and the bottom of the inner cavity of the detection cover 11 is provided with a groove 111, and the groove 111 can be clamped on the lower column, so that the structure is more durable. The boss face of the cylindrical boss structure is provided with a first annular groove 123 for mounting a first seal ring 125. That is, the detection cover 11 is matched with the boss structure, and the top surface of the groove 111 of the detection cover 11 can press the sealing ring, so that sealing can be realized.
Optionally, the positive pressure end of the air pressure regulating valve 20 is mounted in the second vent hole 122, and a second annular groove 124 for mounting the second sealing ring 14 is provided in the second vent hole 122. The second seal ring 14 is provided to seal the air pressure adjusting valve 20 when it is installed in the second vent hole 122.
In order to compress the detection cover 11, a compressing device 30 is arranged on the detection cover 11, the compressing device 30 comprises a pressing block 34 and a link mechanism, and the pressing block 34 compresses or releases the detection cover 11 through the link mechanism.
Wherein, the connecting rod mechanism comprises a handle 31, a connecting block 32, a pressure lever 33 and a connecting seat 35; wherein, one end of the handle 31 is provided with a first hinge point, the middle part of the handle 31 is provided with a second hinge point, and the handle 31 forms a fork opening between the first hinge point and the second hinge point; wherein, one end of the connecting block 32 is provided with a third hinge point, the other end of the connecting block 32 is provided with a fourth hinge point, and the side wall of the connecting block 32 is provided with a bulge; a fifth hinge point is arranged at the lower part of the connecting seat 35, and a sixth hinge point is arranged at one side of the upper part of the connecting seat; wherein, the one end of depression bar 33 is provided with the seventh pin joint, is close to first end department and is provided with the eighth pin joint, and the other end and the briquetting 34 of depression bar 33 are connected.
Wherein, the first hinge point of the handle 31 is hinged with the fifth hinge point at the lower part of the connecting seat 35, the second hinge point of the handle 31 is hinged with the third hinge point of the connecting block 32, and the connecting block 32 can be arranged in a fork pulling port on the handle 31; the fourth hinge point of the connecting block 32 is connected with the eighth hinge point on the pressure lever 33, the pressure lever 33 is arranged in the fork opening of the handle 31, the connecting block 32 is hinged at the central position of the top surface of the pressing block 34, the bottom surface of the bulge of the connecting block 32 can be contacted with the top surface of the pressing block 34, and the seventh hinge point of the pressing block 34 is hinged with the sixth hinge point on one side of the upper part of the connecting seat 35; the connecting seat 35 is fixed on the support 36, and the support 36 is fixed on the mounting seat. The connecting rod mechanism can be selected from the existing compressing devices on the market, and can realize self-locking after being compressed.
Claims (9)
1. The air pressure regulating valve detection device is characterized by comprising a fixing device, a first air path and a second air path;
the fixing device is provided with a closed cavity for accommodating an air pressure regulating valve, a first vent hole and a second vent hole which are communicated with the cavity are formed in the fixing device, the positive pressure end of the air pressure regulating valve is communicated with the second vent hole, and the negative pressure end of the air pressure regulating valve is communicated with the cavity;
when negative pressure detection is carried out, an external air source flows into the first vent hole through the first air path, flows to the second vent hole through the air pressure regulating valve and is discharged into the first water container through the exhaust pipe;
when positive pressure detection is carried out, an external air source flows into the second air passage from the second vent hole through the second air passage, flows to the first vent hole through the air pressure regulating valve and is discharged into the second water container through the exhaust pipe.
2. The air pressure regulating valve detection device of claim 1, wherein the first air path and the second air path are switched by a reversing valve, and the reversing valve is communicated with a main pipeline.
3. The air pressure regulating valve detection device according to claim 2, wherein the external air source is connected with the reversing valve through the main pipeline, the main pipeline is provided with a first ball valve, a first one-way throttle valve and an air tank in sequence along an air flow direction, and a pressure gauge is connected beside a pipeline between the first one-way throttle valve and the air tank.
4. The air pressure regulating valve detection device according to claim 3, wherein an air passage seat is arranged on the main pipeline, a through hole communicated with the main pipeline is arranged in the middle of the air passage seat, the air passage seat is connected with the second one-way throttle valve through a branch pipeline, a second ball valve is arranged on the branch pipeline, and the air passage seat is mounted on the fixing device.
5. The apparatus of claim 1, wherein the fixing device comprises a mounting base, a detecting base and a detecting cover, the detecting base is fixed on the mounting base, the detecting cover presses the detecting cover and the detecting base against each other by a pressing device to form the chamber, and the first vent hole and the second vent hole are disposed in the detecting base and are communicated with the chamber.
6. The apparatus as claimed in claim 5, wherein the pressing device comprises a pressing block and a link mechanism, and the pressing block presses or releases the detection cover through the link mechanism.
7. The air pressure regulating valve detection device according to claim 5, wherein the upper portion of the detection seat is provided with a columnar boss structure, and the bottom of the inner cavity of the detection cover is provided with a groove matched with the columnar boss structure.
8. The air pressure regulating valve detecting device according to claim 7, wherein the boss surface of the columnar boss structure is provided with a first annular groove for mounting a first sealing ring.
9. The air pressure regulating valve detecting device according to claim 1, wherein the positive pressure end of the air pressure regulating valve is installed in the second vent hole, and a second annular groove for installing a second sealing ring is provided in the second vent hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022127985.8U CN212458870U (en) | 2020-09-25 | 2020-09-25 | Air pressure regulating valve detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022127985.8U CN212458870U (en) | 2020-09-25 | 2020-09-25 | Air pressure regulating valve detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212458870U true CN212458870U (en) | 2021-02-02 |
Family
ID=74474806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022127985.8U Active CN212458870U (en) | 2020-09-25 | 2020-09-25 | Air pressure regulating valve detection device |
Country Status (1)
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|---|---|
| CN (1) | CN212458870U (en) |
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2020
- 2020-09-25 CN CN202022127985.8U patent/CN212458870U/en active Active
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