CN213088808U - Integrated ball valve self-closing valve convenient for pressure measurement - Google Patents
Integrated ball valve self-closing valve convenient for pressure measurement Download PDFInfo
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- CN213088808U CN213088808U CN202022048135.9U CN202022048135U CN213088808U CN 213088808 U CN213088808 U CN 213088808U CN 202022048135 U CN202022048135 U CN 202022048135U CN 213088808 U CN213088808 U CN 213088808U
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- opening
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- 238000009530 blood pressure measurement Methods 0.000 title claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 46
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000003345 natural gas Substances 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 8
- 239000010985 leather Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses an integral type ball valve self-closing valve convenient to pressure measurement, including the self-closing valve body, the one end an organic whole of self-closing valve body is provided with the intake pipe, and other end an organic whole is provided with the outlet duct. The self-closing valve body is internally provided with a valve cavity communicated with the air inlet pipe and the air outlet pipe, and the valve cavity is internally provided with an opening and closing assembly used for communicating or separating the air inlet pipe and the valve cavity. And the ball valve and the pressure measuring nozzle are sequentially arranged on the gas outlet pipe along the flowing direction of the natural gas, and are vertically arranged. The ball valve comprises a valve seat which is arranged in the air outlet pipe in a sealing mode, and an air inlet and an air outlet which are communicated with the inside of the air outlet pipe are respectively arranged on two sides of the valve seat. The valve seat is internally provided with a ball valve body which can rotate under the drive of the driving piece, and the ball valve body is internally provided with a gas channel. When the driving piece drives the ball valve body to rotate, two ends of the gas channel can be respectively communicated with the gas inlet and the gas outlet. The utility model discloses an integral type ball valve self-closing valve is compact structure not only, and the integrated level is high, can the easy access personnel detect internal pressure moreover.
Description
Technical Field
The utility model relates to a self-closing valve technical field especially relates to an integral type ball valve self-closing valve convenient to pressure measurement.
Background
Gas such as natural gas and coal gas enters thousands of households, the gas has the characteristic of flammability, and once the gas leaks due to aging and breakage of a pipeline, serious threat can be brought to the life and property safety of users. The gas self-closing valve is a safety device which is installed at the tail end of an indoor low-pressure gas pipeline, is connected with a gas appliance through a pipeline, can sense the gas pressure, is automatically closed and is manually reset. In order to prevent the failure of the gas self-closing valve, a stove front ball valve is generally arranged between the self-closing valve and a gas appliance so as to be convenient for manual intervention, but the extra installation of the stove front ball valve is not only troublesome in operation, but also time-consuming and labor-consuming. In addition, the existing gas self-closing valve is unreasonable in structure and difficult to directly detect the gas pressure inside the existing gas self-closing valve during maintenance.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide an integral type ball valve self-closing valve convenient to pressure measurement, not only compact structure, the integrated level is high, moreover can the easy access personnel detect internal pressure.
In order to achieve the above purpose, the utility model discloses a technical scheme is: an integrated ball valve self-closing valve convenient for pressure measurement comprises a self-closing valve body, wherein an air inlet pipe is integrally arranged at one end of the self-closing valve body, and an air outlet pipe is integrally arranged at the other end of the self-closing valve body. The self-closing valve body is internally provided with a valve cavity communicated with the air inlet pipe and the air outlet pipe, and the valve cavity is internally provided with an opening and closing assembly used for communicating or cutting off the air inlet pipe and the valve cavity. And the outlet pipe is sequentially provided with a ball valve and a pressure measuring nozzle along the flowing direction of the natural gas, and the ball valve and the pressure measuring nozzle are vertically arranged. The ball valve comprises a valve seat which is arranged in the air outlet pipe in a sealing mode, and an air inlet and an air outlet which are communicated with the inside of the air outlet pipe are respectively arranged on two sides of the valve seat. A ball valve body which can rotate under the drive of a driving piece is arranged in the valve seat, and a gas channel is arranged in the ball valve body. When the driving piece drives the ball valve body to rotate, two ends of the gas channel can be respectively communicated with the gas inlet and the gas outlet.
The beneficial effects of the utility model reside in that: the ball valve and the self-closing valve body are integrated, so that the installation steps are simplified, the ball valve in front of a stove does not need to be additionally installed, manual intervention can be performed through the ball valve when the self-closing valve body fails, and dangerous situations are prevented; and then the pressure measuring nozzle is arranged on the air outlet pipe, so that the pressure measuring maintenance can be conveniently carried out by maintainers.
Further, the driving piece comprises a ball valve rod which is rotatably and hermetically arranged on the side wall of the air outlet pipe in a penetrating mode, one end of the ball valve rod is fixedly connected with the ball valve body, and the other end of the ball valve rod is fixedly connected with a rotating handle. The rotating handle is manually operated, the ball valve rod rotates and drives the ball valve body to rotate in the valve seat, and then the communication or the partition of the gas channel, the gas inlet and the gas outlet is realized.
Further, the pressure measuring nozzle comprises a pressure measuring shell communicated with the inside of the air outlet pipe, one end of the pressure measuring shell is fixedly connected with the air outlet pipe, and the other end of the pressure measuring shell is in threaded connection with a cover cap. And a pressure measuring valve core is arranged in the pressure measuring shell. When the pressure is measured, the cover cap is screwed off, the pressure measuring valve core is pressed in by a measuring needle of a pressure measuring meter, a spring of the pressure measuring valve core is pressed down, an internal channel of the pressure measuring valve core is communicated with the air outlet pipe, and the pressure in the air outlet pipe can be measured at the moment; after the pressure to be measured is finished, the spring of the pressure measuring valve core automatically rebounds, so that the internal channel of the pressure measuring valve core is separated from the air outlet pipe.
Further, a sealing gasket capable of being pressed on the pressure measuring shell in a sealing mode is further arranged in the cover cap. The sealing effect of the screwed cap can be enhanced through the arrangement of the sealing gasket.
The opening and closing assembly comprises an opening and closing valve rod, a leather membrane, an opening and closing bolt and an adjusting part, the opening and closing valve rod is arranged along the flowing direction of natural gas, one end of the opening and closing valve rod is provided with a roller which abuts against the adjusting part, and the other end of the opening and closing valve rod is provided with a blocking head which is used for blocking the air inlet pipe and the valve cavity. The leather diaphragm is connected to an opening at the top of the valve cavity in a sealing manner, an opening and closing bolt vertically arranged with the opening and closing valve rod is connected to the leather diaphragm, and the opening and closing bolt can move up and down; the adjusting part is fixedly connected to the bottom of the opening and closing bolt, and a convex structure for the roller to abut against is arranged on the adjusting part.
Further, the opening and closing valve rod is sleeved with an opening and closing spring, a limiting convex block is arranged on the side wall of one side, close to the roller, of the opening and closing valve rod, one end of the opening and closing spring abuts against the valve cavity, and the other end of the opening and closing spring abuts against the limiting convex block. When the roller abuts against the bulge of the convex structure, the opening and closing spring is in a compressed state.
Further, the top of the self-closing valve body is also provided with a lifting button switch fixedly connected with the opening and closing bolt, and the side wall of the lifting button switch is provided with a mark paste.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic sectional view of an embodiment of the present invention;
fig. 3 is a schematic view of the pressure measuring nozzle according to the embodiment of the present invention.
In the figure:
1-self-closing valve body; 11-an air inlet pipe; 12-an air outlet pipe; 2-a ball valve; 21-valve seat; 22-a ball valve body; 23-a ball valve stem; 24-a rotating handle; 3-pressure measuring nozzle; 31-pressure measuring shell; 32-a cap; 33-a gasket; 34-pressure measuring valve inside; 41-opening and closing the valve rod; 411-a roller; 412-blocking head; 413-opening and closing spring; 414-limit bump; 42-epithelial membrane; 43-a shutoff plug; 44-an adjustment section; 441-convex configuration; 5-lifting button switch.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Examples
Referring to the attached drawing 1, the utility model discloses an integral type ball valve self-closing valve convenient to pressure measurement, including self-closing valve body 1, the one end an organic whole of self-closing valve body 1 is provided with intake pipe 11, and the other end an organic whole is provided with outlet duct 12. The self-closing valve body 1 is internally provided with a valve cavity communicated with the air inlet pipe 11 and the air outlet pipe 12, and the valve cavity is internally provided with an opening and closing assembly used for communicating or separating the air inlet pipe 11 and the valve cavity. And the outlet pipe 12 is sequentially provided with a ball valve 2 and a pressure measuring nozzle 3 along the flowing direction of the natural gas, and the ball valve 2 and the pressure measuring nozzle 3 are vertically arranged.
The ball valve and the self-closing valve body are integrated, so that the installation steps are simplified, the ball valve in front of a stove does not need to be additionally installed, manual intervention can be performed through the ball valve when the self-closing valve body fails, and dangerous situations are prevented; and then the pressure measuring nozzle is arranged on the air outlet pipe, so that the pressure measuring maintenance can be conveniently carried out by maintainers.
Referring to fig. 1-2, the ball valve 2 includes a valve seat 21 hermetically disposed in the air outlet tube 12, and an air inlet and an air outlet respectively disposed at two sides of the valve seat 21 and communicated with the interior of the air outlet tube 12. A ball valve body 22 which can rotate under the drive of a driving piece is arranged in the valve seat 21, and a gas channel is arranged in the ball valve body 22. When the driving piece drives the ball valve body 22 to rotate, two ends of the gas channel can be respectively communicated with the gas inlet and the gas outlet. The driving piece comprises a ball valve rod 23 which is rotatably and hermetically arranged on the side wall of the air outlet pipe 12 in a penetrating way, one end of the ball valve rod 23 is fixedly connected with the ball valve body 22, and the other end of the ball valve rod is fixedly connected with a rotating handle 24.
In a normal state, the gas channel is in a state of being communicated with the gas inlet and the gas outlet, and at the moment, natural gas can sequentially pass through the gas outlet pipe 12 on one side of the ball valve 2, the gas inlet, the gas channel, the gas outlet and the gas outlet pipe 12 on the other side of the ball valve 2; when the self-closing valve body 1 fails and a pipeline needs to be closed, the rotary handle 24 is manually operated, the ball valve rod 23 rotates and drives the ball valve body 22 to rotate in the valve seat 21, the gas channel rotates along with the rotation and separates a gas inlet and a gas outlet, and further the gas outlet pipes 12 on two sides of the ball valve 2 are in a separation state.
In this embodiment, referring to fig. 3, the pressure measuring nozzle 3 includes a pressure measuring housing 31 communicated with the inside of the outlet pipe 12, one end of the pressure measuring housing 31 is fixedly connected to the outlet pipe 12, and the other end is connected to a cap 32 by screw threads. A sealing gasket 33 which can be pressed on the pressure measuring shell 31 in a sealing mode is further arranged in the cover cap 32. A pressure measuring valve core 34 is arranged in the pressure measuring shell 31. When measuring pressure, the cover cap 32 is screwed off, the pressure measuring valve core 34 is pressed in by a measuring needle of a pressure measuring meter, so that a spring of the pressure measuring valve core 34 is pressed down, an internal channel of the pressure measuring valve core 34 is communicated with the air outlet pipe 12, and the pressure in the air outlet pipe 12 can be measured; after the pressure measurement is completed, the spring of the pressure measuring valve core 34 automatically rebounds, so that the internal passage of the pressure measuring valve core 34 is separated from the air outlet pipe 12. The sealing effect of the screwed cap 32 can be enhanced by the provision of the gasket 33.
In this embodiment, referring to fig. 2, the opening and closing assembly includes an opening and closing valve rod 41, a membrane 42, an opening and closing bolt 43, and an adjusting portion 44, where the opening and closing valve rod 41 is disposed along a natural gas flowing direction, one end of the opening and closing valve rod is provided with a roller 411 abutting against the adjusting portion 44, and the other end of the opening and closing valve rod is provided with a blocking head 412 for blocking the intake pipe 11 and the valve cavity. An opening and closing spring 413 is sleeved on the opening and closing valve rod 41, a limiting convex block 414 is arranged on the side wall of one side, close to the roller 411, of the opening and closing valve rod, one end of the opening and closing spring 413 abuts against the valve cavity, and the other end of the opening and closing spring 413 abuts against the limiting convex block 414. The membrane 42 is hermetically connected at an opening at the top of the valve cavity, an opening and closing bolt 43 vertically arranged with the opening and closing valve rod 41 is connected on the membrane, and the opening and closing bolt 43 can move up and down; the adjusting part 44 is fixed to the bottom of the opening and closing bolt 43, and a convex structure 441 is provided thereon for the roller 411 to abut against. When the roller 411 abuts against the projection of the convex structure 441, the opening and closing spring 413 is in a compressed state.
Under normal pressure, the roller 411 abuts against the convex part of the convex structure 441, the opening and closing spring 413 is in a compressed state, and the air inlet pipe 11 and the valve cavity are in a communicated state; when the air pressure in the valve cavity is greater than a set value (overpressure state), the membrane 42 bulges upwards and drives the opening and closing bolt 43 to move upwards, the roller 411 can move along the concave part below the convex part under the action of the opening and closing spring 413, and the opening and closing valve rod 41 and the blocking head 412 move towards the direction of the adjusting part 44 along with the roller until the blocking head 412 abuts against the valve cavity and blocks the communication between the air inlet pipe 11 and the valve cavity; when the air pressure in the valve cavity is smaller than a set value (under-pressure state), the membrane 42 bulges downwards and drives the opening and closing bolt 43 to move downwards, under the action of the opening and closing spring 413, the roller 411 can move along the concave part above the convex part, and the opening and closing valve rod 41 and the blocking head 412 move towards the direction of the adjusting part 44 along with the movement until the blocking head 412 is abutted against the valve cavity and the communication between the air inlet pipe 11 and the valve cavity is blocked.
In this embodiment, the top of the self-closing valve body 1 is further provided with a lifting button switch 5 fixedly connected with the opening and closing bolt 43, and a label is arranged on the side wall of the lifting button switch 5. The pressure state in the self-closing valve can be conveniently and visually observed through the arrangement of the identification sticker.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (7)
1. An integrated ball valve self-closing valve convenient for pressure measurement comprises a self-closing valve body, wherein one end of the self-closing valve body is integrally provided with an air inlet pipe, and the other end of the self-closing valve body is integrally provided with an air outlet pipe; the method is characterized in that: the self-closing valve body is internally provided with a valve cavity communicated with the air inlet pipe and the air outlet pipe, and the valve cavity is internally provided with an opening and closing assembly used for communicating or cutting off the air inlet pipe and the valve cavity; a ball valve and a pressure measuring nozzle are sequentially arranged on the gas outlet pipe along the flowing direction of the natural gas, and the ball valve and the pressure measuring nozzle are vertically arranged; the ball valve comprises a valve seat which is hermetically arranged in the air outlet pipe, and an air inlet and an air outlet which are communicated with the inside of the air outlet pipe are respectively arranged on two sides of the valve seat; a ball valve body which can rotate under the drive of a driving piece is arranged in the valve seat, and a gas channel is arranged in the ball valve body; when the driving piece drives the ball valve body to rotate, two ends of the gas channel can be respectively communicated with the gas inlet and the gas outlet.
2. An integral ball valve self-closing valve according to claim 1, wherein: the driving piece is including rotationally sealed wearing to establish ball valve rod on the outlet duct lateral wall, the one end of ball valve rod with ball valve body rigid coupling, other end rigid coupling have the twist grip.
3. An integral ball valve self-closing valve according to claim 1, wherein: the pressure measuring nozzle comprises a pressure measuring shell communicated with the interior of the air outlet pipe, one end of the pressure measuring shell is fixedly connected with the air outlet pipe, and the other end of the pressure measuring shell is in threaded connection with a cover cap; and a pressure measuring valve core is arranged in the pressure measuring shell.
4. An integral ball valve self-closing valve according to claim 3, wherein: and a sealing gasket which can be hermetically pressed on the pressure measuring shell is also arranged in the cover cap.
5. An integral ball valve self-closing valve according to any of claims 1 to 4 wherein: the opening and closing assembly comprises an opening and closing valve rod, a membrane, an opening and closing bolt and an adjusting part, the opening and closing valve rod is arranged along the flowing direction of natural gas, one end of the opening and closing valve rod is provided with a roller which abuts against the adjusting part, and the other end of the opening and closing valve rod is provided with a blocking head which is used for blocking the gas inlet pipe and the valve cavity; the leather diaphragm is connected to an opening at the top of the valve cavity in a sealing manner, an opening and closing bolt vertically arranged with the opening and closing valve rod is connected to the leather diaphragm, and the opening and closing bolt can move up and down; the adjusting part is fixedly connected to the bottom of the opening and closing bolt, and a convex structure for the roller to abut against is arranged on the adjusting part.
6. An integral ball valve self-closing valve according to claim 5, wherein: an opening and closing spring is sleeved on the opening and closing valve rod, a limiting convex block is arranged on the side wall of one side, close to the roller, of the opening and closing valve rod, one end of the opening and closing spring abuts against the valve cavity, and the other end of the opening and closing spring abuts against the limiting convex block; when the roller abuts against the bulge of the convex structure, the opening and closing spring is in a compressed state.
7. An integral ball valve self-closing valve according to claim 5, wherein: the top of the self-closing valve body is also provided with a lifting button switch fixedly connected with the opening and closing bolt, and the side wall of the lifting button switch is provided with a mark paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022048135.9U CN213088808U (en) | 2020-09-17 | 2020-09-17 | Integrated ball valve self-closing valve convenient for pressure measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022048135.9U CN213088808U (en) | 2020-09-17 | 2020-09-17 | Integrated ball valve self-closing valve convenient for pressure measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213088808U true CN213088808U (en) | 2021-04-30 |
Family
ID=75612153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022048135.9U Expired - Fee Related CN213088808U (en) | 2020-09-17 | 2020-09-17 | Integrated ball valve self-closing valve convenient for pressure measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213088808U (en) |
-
2020
- 2020-09-17 CN CN202022048135.9U patent/CN213088808U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |