CN217442774U - Pressure measuring device of pipeline gas self-closing valve - Google Patents
Pressure measuring device of pipeline gas self-closing valve Download PDFInfo
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- CN217442774U CN217442774U CN202221514872.6U CN202221514872U CN217442774U CN 217442774 U CN217442774 U CN 217442774U CN 202221514872 U CN202221514872 U CN 202221514872U CN 217442774 U CN217442774 U CN 217442774U
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Abstract
The utility model relates to a pipeline pressure measurement technical field, specific pressure measurement device of pipeline gas self-closing valve that says so, including the pressure-measuring pipe of carrying the gas, pressure-measuring pipe one side is equipped with the pressure measurement cavity, and pressure-measuring cavity top sliding joint has the lifting button, and the pressure-measuring pipe opposite side is equipped with closed ball valve, pressure-measuring pipe body top just is located and is equipped with the air cock subassembly between pressure measurement cavity and the closed ball valve, when the pressure-measuring pipe is sealed, pours into corresponding pressure into to the pressure-measuring pipe into through the air cock subassembly, observes the change of lifting button position, detects the gas tightness of pressure-measuring pipe self, the utility model discloses close the self-closing valve after 15 minutes and carry the button, if the lifting button does not suck back, then it is qualified to have the leakage test. If the lifting button is sucked back, leakage exists, the pipeline is unqualified, the tightness of the pipeline can be conveniently tested when the pipeline is used at home, and the hidden danger that gas leakage caused by the self-closing valve defects is caused to cause damage after the pipeline is installed is avoided.
Description
Technical Field
The utility model relates to a pipeline pressure measurement technical field particularly, relates to a pressure measurement device of pipeline gas self-closing valve.
Background
The gas self-closing valve for pipeline is installed on the pipeline of low-pressure gas system, and when the gas supply pressure of pipeline is under-pressure or over-pressure, it has no need of using electricity or other external power, and can be automatically closed and manually opened. The self-closing valve arranged at the joint of the tail end of the pipeline and the rubber pipe behind the gas meter has the pressure-loss closing function. For this purpose, the airtightness of the indoor gas pipeline needs to be detected. The detection method comprises the following steps: firstly, the self-closing valve lifting button is kept in an opening state. And (4) closing the gas stove, then closing the main valve for 15 minutes, and then closing the self-closing valve lifting button, wherein if the lifting button is not sucked back, the indoor pipeline system is not leaked. If the lifting button is sucked back, the indoor pipeline system is indicated to have leakage, and the important point should be checked.
The gas self-closing valve has no pressure measuring device, and is specially tested by means of special testing equipment of manufacturers. However, after the gas-tight self-sealing valve is purchased and installed by an individual person, the gas-tight self-sealing valve cannot be quickly detected, and the hidden danger of gas leakage and harm caused by the self-sealing valve defects exists after the gas-tight self-sealing valve is installed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pressure measurement device of pipeline gas self-closing valve can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a pressure measurement device of pipeline gas self-closing valve, is equipped with the pressure measurement cavity including the pressure-measuring pipe of carrying the gas, pressure-measuring pipe one side, and pressure-measuring chamber top sliding joint has carried the button, and the pressure-measuring pipe opposite side is equipped with closed ball valve, pressure-measuring pipe body top just is located and is equipped with air cock subassembly between pressure measurement cavity and the closed ball valve, when the pressure-measuring pipe is sealed in, pours into corresponding pressure into to the pressure-measuring pipe through air cock subassembly, observes and carries the change of button position, detects the gas tightness of pressure-measuring pipe self.
Preferably, the two ends of the pressure measuring pipe are respectively provided with an air inlet end and an air outlet end, the air inlet end of the pressure measuring pipe is integrally formed with a connecting portion, the inner wall of the connecting portion is provided with a second connecting thread, and the outer wall of the air outlet end of the pressure measuring pipe is provided with a first connecting thread.
Preferably, the lifting button is smooth in surface and provided with a conventional line and a side pressure line, when the pressure measuring pipe conveys gas, the joint of the conventional line and the pressure measuring chamber is overlapped, when the pressure measuring pipe detects air tightness, the lifting button is lifted, and corresponding pressure is injected into the pressure measuring pipe, so that the joint of the side pressure line and the pressure measuring chamber is overlapped.
Preferably, the air faucet assembly comprises a shell and an air faucet, wherein the shell is sleeved on the outer wall of the air faucet, and a clamping part is integrally formed on the outer wall of the shell.
Preferably, the pipe wall of the pressure measuring pipe is provided with a hole superposed with the shell, the inner wall of the hole is provided with threads, the outer wall of the shell, which is positioned above and below the clamping part, is provided with an upper external thread and a lower external thread respectively, and after the lower external threads are screwed and connected with the threads of the inner wall of the hole, the clamping part is tightly attached to the pressure measuring pipe.
Preferably, the inner wall of the shell is provided with internal threads, the internal threads are screwed with threads arranged on the outer shell of the air tap, and the joint of the clamping part and the pressure measuring pipe is jointed through a sealing element;
the air tap output port extends into the pressure measuring tube cavity.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the second connecting thread and the connecting thread that are equipped with make things convenient for the pressure-measuring pipe to be connected, the lower external screw thread that is equipped with makes things convenient for the casing installation to and the leakproofness of pressure-measuring pipe is ensured to chucking portion and the sealing member that is equipped with, and the internal thread that is equipped with simultaneously has made things convenient for the installation of air cock, ensures the holistic leakproofness of equipment and the convenience of installation.
2. The pressure measuring pipe is provided with a closed space, and the outside of the pressure measuring pipe is connected with an air tap by an inflator to apply pressure inwards. When the internal pressure is exposed from the lifting button mark and the side pressure line is overlapped with the connection part, the pressurization is stopped. And (4) closing the lifting button of the self-closing valve after keeping the pressure for 15 minutes, and if the lifting button is not sucked back, testing whether the leakage is qualified. If the lifting button is sucked back, leakage exists, the pipeline is unqualified, the tightness of the pipeline can be conveniently tested when the pipeline is used at home, and the hidden danger that gas leakage caused by the self-closing valve defects is caused to cause damage after the pipeline is installed is avoided.
Drawings
Fig. 1 is a schematic view of the whole structure of a pressure measuring device of a pipeline gas self-closing valve of the present invention;
fig. 2 is a structural schematic diagram of a front view of the pressure measuring device of the pipeline gas self-closing valve of the present invention;
fig. 3 is an enlarged schematic structural view of a position a in fig. 2 of the pressure measuring device of the pipeline gas self-closing valve of the present invention.
In the figure: 1. a piezometric tube; 101. a second connecting thread; 2. a connecting portion; 3. a pressure sensing chamber; 4. connecting threads; 5. lifting the button; 6. an air tap assembly; 601. a housing; 602. a seal member; 603. external threads are arranged; 604. a lower external thread; 605. an internal thread; 606. an air tap; 607. a clamping part; 7. the ball valve is closed.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1 to 3, a pressure measurement device of pipeline gas self-closing valve, including the pressure-measuring pipe 1 of carrying the gas, pressure-measuring pipe 1 one side is equipped with pressure measurement cavity 3, pressure measurement cavity 3 top sliding connection has lifting button 5, pressure-measuring pipe 1 opposite side is equipped with closed ball valve 7, pressure-measuring pipe 1 body top just is located and is equipped with air nozzle assembly 6 between pressure measurement cavity 3 and the closed ball valve 7, when pressure-measuring pipe 1 internal seal, through air nozzle assembly 6 to injecting corresponding pressure in pressure-measuring pipe 1, observe lifting button 5 position change, detect the gas tightness of pressure-measuring pipe 1 self.
In this embodiment, pressure-measuring pipe 1 both ends are the inlet end respectively and give vent to anger the end, and pressure-measuring pipe 1 inlet end integration is formed with connecting portion 2, and connecting portion 2 inner wall is equipped with second connecting thread 101, and pressure-measuring pipe 1 gives vent to anger and holds the outer wall and be equipped with first connecting thread 4.
In this embodiment, carry 5 smooth surfaces of button and be equipped with conventional line and side pressure line, when pressure-measuring pipe 1 carried the gas, the coincide of conventional line and pressure measurement cavity 3 junction, when pressure-measuring pipe 1 detected the gas tightness, will carry button 5 and mention, inject corresponding pressure into pressure-measuring pipe 1, make the coincide of side pressure line and pressure measurement cavity 3 junction.
In this embodiment, the air nozzle assembly 6 includes a housing 601 and an air nozzle 606, the housing 601 is fitted over the outer wall of the air nozzle 606, and a fastening portion 607 is integrally formed on the outer wall of the housing 601.
In this embodiment, the pipe wall of the pressure measuring pipe 1 is provided with a hole overlapped with the casing 601, the inner wall of the hole is provided with threads, the outer wall of the casing 601 is arranged above and below the clamping part 607 and is provided with an upper external thread 603 and a lower external thread 604 respectively, and after the lower external thread 604 is screwed with the threads of the inner wall of the hole, the clamping part 607 is tightly attached to the pressure measuring pipe 1.
In this embodiment, the inner wall of the housing 601 is provided with an internal thread 605, the internal thread 605 is screwed with the thread provided on the outer shell of the air nozzle 606, and the joint of the clamping part 607 and the pressure measuring tube 1 is seamed by a sealing element 602;
the outlet of the air tap 606 extends into the cavity of the piezometer tube 1.
The working principle of the pressure measuring device of the pipeline gas self-closing valve is as follows: the second connecting thread 101 and the connecting thread 4 that are equipped with make things convenient for pressure-measuring pipe 1 to connect, the lower external screw thread 604 that is equipped with makes things convenient for casing 601 to install to and chucking portion 607 and the sealing member 602 that are equipped with ensure the leakproofness of pressure-measuring pipe 1, the internal thread 605 that is equipped with has simultaneously made things convenient for the installation of air cock 606, ensures the holistic leakproofness of equipment and the convenience of installation.
The pressure measuring pipe 1 is internally provided with a closed space, and the outside is connected with the air nozzle 606 by using an inflator to apply pressure inwards. When the internal pressure is exposed to the lifting button mark and the side pressure line is superposed with the connection part, the pressurization is stopped. And (4) closing the lifting button of the self-closing valve after keeping the pressure for 15 minutes, and if the lifting button is not sucked back, testing whether the leakage is qualified. If the lifting button is sucked back, leakage exists, the pipeline is unqualified, the tightness of the pipeline can be conveniently tested when the pipeline is used at home, and the hidden danger that gas leakage caused by the defects of the self-closing valve is leaked to cause damage after installation is avoided.
Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all embodiments cannot be exhausted here, and all obvious variations or changes introduced by the technical solution of the present invention are still within the protection scope of the present invention.
Claims (6)
1. The utility model provides a pressure measuring device of pipeline gas self-closing valve, is equipped with pressure measuring chamber (3) including pressure measuring pipe (1) of carrying the gas, pressure measuring pipe (1) one side, and pressure measuring chamber (3) top has sliding connection to carry button (5), and pressure measuring pipe (1) opposite side is equipped with closed ball valve (7), its characterized in that: pressure-measuring pipe (1) body top just is located and is equipped with air cock subassembly (6) between pressure measurement cavity (3) and closed ball valve (7), and when pressure-measuring pipe (1) internal seal, wherein, gaseous certainly air cock subassembly (6) get into pressure measurement cavity (3), and promote it changes relative position to carry button (5), in order to realize right the detection of pressure-measuring pipe (1) gas tightness.
2. The pressure measuring device of the pipeline gas self-closing valve according to claim 1, characterized in that: the pressure measuring pipe is characterized in that the two ends of the pressure measuring pipe (1) are respectively an air inlet end and an air outlet end, the air inlet end of the pressure measuring pipe (1) is integrally formed with a connecting portion (2), the inner wall of the connecting portion (2) is provided with a second connecting thread (101), and the outer wall of the air outlet end of the pressure measuring pipe (1) is provided with a first connecting thread (4).
3. The pressure measuring device of the pipeline gas self-closing valve according to claim 1, characterized in that: carry button (5) surface smooth and be equipped with conventional line and side line ball, when pressure-measuring pipe (1) carried the gas, conventional line and pressure-measuring cavity (3) junction coincide, when pressure-measuring pipe (1) detected the gas tightness, will carry button (5) to mention, to injecting corresponding pressure in pressure-measuring pipe (1), make side line ball and pressure-measuring cavity (3) junction coincide.
4. The pressure measuring device of the pipeline gas self-closing valve according to claim 1, characterized in that: air cock subassembly (6) comprise casing (601) and air cock (606), air cock (606) outer wall cover is equipped with casing (601), casing (601) outer wall integration is formed with chucking portion (607).
5. The pressure measuring device of the pipeline gas self-closing valve according to claim 4, characterized in that: the pipe wall of the pressure measuring pipe (1) is provided with a hole overlapped with the shell (601), the inner wall of the hole is provided with threads, the outer wall of the shell (601) is located above and below the clamping part (607) and is provided with an upper external thread (603) and a lower external thread (604) respectively, and after the lower external thread (604) is screwed with the threads of the inner wall of the hole, the clamping part (607) is tightly attached to the pressure measuring pipe (1).
6. The pressure measuring device of the pipeline gas self-closing valve according to claim 5, characterized in that: the inner wall of the shell (601) is provided with an internal thread (605), the internal thread (605) is screwed with a thread arranged on the outer shell of the air tap (606), and the joint of the clamping part (607) and the pressure measuring pipe (1) is jointed through a sealing element (602);
the outlet of the air tap (606) extends into the cavity of the piezometric tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221514872.6U CN217442774U (en) | 2022-06-14 | 2022-06-14 | Pressure measuring device of pipeline gas self-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221514872.6U CN217442774U (en) | 2022-06-14 | 2022-06-14 | Pressure measuring device of pipeline gas self-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217442774U true CN217442774U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221514872.6U Active CN217442774U (en) | 2022-06-14 | 2022-06-14 | Pressure measuring device of pipeline gas self-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217442774U (en) |
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2022
- 2022-06-14 CN CN202221514872.6U patent/CN217442774U/en active Active
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