CN214119061U - Exhaust valve of gas pipeline - Google Patents
Exhaust valve of gas pipeline Download PDFInfo
- Publication number
- CN214119061U CN214119061U CN202022898611.6U CN202022898611U CN214119061U CN 214119061 U CN214119061 U CN 214119061U CN 202022898611 U CN202022898611 U CN 202022898611U CN 214119061 U CN214119061 U CN 214119061U
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- gas pipeline
- valve
- gas
- valve body
- exhaust valve
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Abstract
The utility model relates to a pipeline valve technical field discloses a gas pipeline exhaust valve, it is including the valve body that is cylindrical setting, the both ends of valve body are equipped with sealing washer and edge of a knife seat respectively, be equipped with the venthole on the sealing washer, be equipped with the inlet port on the edge of a knife seat, the top of edge of a knife seat is equipped with the case that is used for the shutoff inlet port, case and trace fixed connection, the other end of trace passes outside the venthole extends to the valve body, the cover is equipped with spacing spring on the trace, spacing spring's one end is supported and is leaned on the case, spacing spring's the other end is connected with the sealing washer. This gas pipeline exhaust valve simple structure, the ann tears the convenience open, has realized the one-way exhaust of gas in the gas pipeline, avoids in the outside air gets into the gas pipeline, has promoted user's with the gas experience.
Description
Technical Field
The utility model relates to a pipeline valve technical field especially relates to a gas pipeline exhaust valve.
Background
In order to ensure the normal use of the gas pipeline, the gas pipeline is required to be subjected to gas stop check frequently, the gas pipeline after gas stop discharges gas in the pipeline through a gas discharge valve, the gas discharge valve in the prior art does not have a non-return function, a large amount of air can enter the gas pipeline every time gas is discharged, a large amount of air is accumulated in the gas pipeline after overhaul, and the air can be conveyed to user ends of various users together with the gas after gas supply is recovered and discharged from the user ends, so that a large amount of users still cannot use the gas in a short time after the gas supply is recovered, and the gas consumption experience of the users is greatly reduced.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model aims at providing a gas pipeline discharge valve, one-way gassing when it can stop the gas maintenance avoids outside of tubes air admission gas pipeline in, has reduced user's latency, has promoted user's use and has experienced.
Based on this, the utility model provides a gas pipeline exhaust valve, it includes the valve body, the both ends of valve body are equipped with sealing washer and sword mouth seat respectively, the sealing washer is equipped with the venthole, the sword mouth seat is equipped with the inlet port, the top of sword mouth seat is equipped with and is used for the shutoff the case of inlet port, case and trace fixed connection, the other end of trace passes the venthole extends to outside the valve body, the cover is equipped with spacing spring on the trace, spacing spring's one end is supported and is leaned on the case, spacing spring's the other end with the sealing washer is connected.
In some embodiments of the present application, the cutting edge seat and the sealing ring are all welded to the valve body.
In some embodiments of the present application, the trace is located one end outside the valve body and handle fixed connection, be equipped with the locating hole on the handle, the valve body be equipped with locating hole assorted locating pin.
In some embodiments of this application, the case is cylindrical setting, the case towards one side of tool bit seat is equipped with the rubber packing ring, the rubber packing ring pass through the bolt with case fixed connection.
In some embodiments of this application, the bottom of tool bit seat is equipped with the external screw thread, the tool bit seat passes through with the gas pipeline external screw thread threaded connection.
In some embodiments of the present application, the linkage is threadedly coupled to the valve core.
The embodiment of the utility model provides a pair of gas pipeline exhaust valve compares with prior art, and its beneficial effect lies in:
before use, the exhaust valve and the gas pipeline are connected through the knife edge seat, the valve core blocks the gas inlet hole under the extrusion of the limiting spring, outside gas cannot enter the gas pipeline from the gas inlet hole, a valve of the gas pipeline is opened to deflate to the outside, at the moment, the gas pressure in the gas pipeline is larger than the elastic force of the limiting spring, the valve core moves under the action of the gas pressure, a gap is formed between the knife edge seat and the valve core, the gas in the gas pipeline is discharged out of the gas pipeline from the gap through the gas inlet hole, the gas pressure in the gas pipeline is gradually reduced along with the continuous discharge of the gas in the gas pipeline, when the gas pressure is smaller than the elastic force of the limiting spring, the valve core approaches the knife edge seat again under the extrusion of the limiting spring and blocks the gas inlet hole, the exhaust valve is automatically closed to prevent the air outside from flowing back into the gas pipeline, and thus, the exhaust valve realizes the one-way exhaust of the gas in the gas pipeline, the situation that the user cannot use the fuel gas after recovering the air supply is avoided when the external air enters the fuel gas pipeline, and the use experience of the user is improved; further, operating personnel can quick adjustment discharge valve's pressure through changing spacing spring, ensures that intraductal residual air satisfies the maintenance requirement, and it is very convenient to use.
Drawings
Fig. 1 is the utility model discloses gas pipeline discharge valve's schematic structure view.
In the figure, 1, a valve body; 2. a tool holder; 21. an air inlet; 22. an external thread; 3. a seal ring; 31. an air outlet; 4. a valve core; 5. a linkage rod; 6. a limiting spring; 7. a handle; 71. positioning holes; 8. and a positioning pin.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
It should be understood that the present invention uses the terms "front", "back", etc. to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "front" information may also be referred to as "back" information, and "back" information may also be referred to as "front" information without departing from the scope of the present invention. The embodiment of the utility model provides an in, define the well lid as the inboard towards one side of valve well, define the outside towards one side in the external world with the well lid.
As shown in fig. 1, the utility model provides a gas pipeline exhaust valve, it is including the valve body 1 that is cylindrical setting, the both ends of valve body 1 are equipped with sealing washer 3 and edge of a knife seat 2 respectively, be equipped with venthole 31 on the sealing washer 3, be equipped with inlet port 21 on the edge of a knife seat 2, the top of edge of a knife seat 2 is equipped with the case 4 that is used for shutoff inlet port 21, case 4 and trace 5 fixed connection, the other end of trace 5 passes outside venthole 31 extends to valve body 1, the cover is equipped with spacing spring 6 on the trace 5, the one end of spacing spring 6 is supported and is leaned on case 4, spacing spring 6's the other end is connected with sealing washer 3.
Based on the structure, before use, the exhaust valve and the gas pipeline are connected through the knife edge seat 2, the valve core 4 blocks the gas inlet hole 21 under the extrusion of the limiting spring 6, outside gas cannot enter the gas pipeline from the gas inlet hole 21, the valve of the gas pipeline is opened to deflate to the outside, at the moment, the gas pressure in the gas pipeline is larger than the elastic force of the limiting spring 6, the valve core 4 moves under the action of the gas pressure, a gap is formed between the knife edge seat 2 and the valve core 4, the gas in the gas pipeline is exhausted out of the gas pipeline from the gap through the gas inlet hole 21, the gas pressure in the gas pipeline is gradually reduced along with the continuous exhaust of the gas in the gas pipeline, when the gas pressure is smaller than the elastic force of the limiting spring 6, the valve core 4 approaches the knife edge seat 2 again under the extrusion of the limiting spring 6 and blocks the gas inlet hole 21, the exhaust valve is automatically closed to prevent the air outside the pipe from flowing back into the gas pipeline, therefore, the exhaust valve realizes the one-way exhaust of the gas in the gas pipeline, and avoids the situation that the user can not use the gas after recovering the gas supply when the external air enters the gas pipeline, so that the use experience of the user is improved; further, operating personnel can quick adjustment discharge valve's pressure through changing spacing spring 6, ensures that intraductal residual air satisfies the maintenance requirement, and it is very convenient to use.
Optionally, in some embodiments of the present application, the knife edge seat 2 and the sealing ring 3 are welded to the valve body 1, so that the connection is tight and reliable, no gap occurs, and the exhaust effect of the exhaust valve is ensured.
Further, as shown in fig. 1, in some embodiments of the present application, one end of the linkage rod 5 located outside the valve body 1 is fixedly connected to the handle 7, the handle 7 is provided with a positioning hole 71, and the valve body 1 is provided with a positioning pin 8 matched with the positioning hole 71.
Based on above-mentioned structure, operating personnel accessible handle 7 directly extrudees or drags case 4, and then changes the position of case 4, realizes artificial gassing operation, and is further, and operating personnel accessible operation locating pin 8 card is gone into in locating hole 71, and increase spacing spring 6's elasticity lock case 4 to form the emergent closed condition of valve.
Optionally, in some embodiments of the present application, the valve core 4 is disposed in a cylindrical shape, and a rubber gasket matched with a knife edge of the knife edge seat 2 is disposed on one side of the valve core 4 facing the knife edge seat 2, and the rubber gasket is fixedly connected to the valve core 4 through a bolt. Based on above-mentioned structure, the edge of a knife of edge of a knife seat 2 contacts with the rubber packing ring during use, has avoided the damage of edge of a knife 2 with case 4's direct collision, and the case 4 of rubber packing ring than metal system is softer simultaneously, and the edge of a knife extrudees the rubber packing ring with the rubber packing ring contact back, has increased the area of contact of edge of a knife seat 2 with the rubber packing ring, has promoted the shutoff effect, and the rubber packing ring passes through screw thread and case 4 fixed connection, and the connected mode is simple reliable.
Similarly, in some embodiments of the present application, the linkage rod 5 and the valve core 4 are also connected by threads, so that the valve core is easy to install, remove and replace, and is convenient to use.
Optionally, in some embodiments of this application, the bottom of edge of a knife seat 2 is equipped with gas pipeline assorted external screw thread 22, edge of a knife seat 2 and gas pipeline threaded connection, so, discharge valve can set up on gas pipeline fast, and it is very convenient to use.
To sum up, the utility model provides a gas pipeline exhaust valve, it is including the valve body that is cylindrical setting, and the both ends of valve body are equipped with sealing washer and sword mouth seat respectively, are equipped with the venthole on the sealing washer, are equipped with the inlet port on the sword mouth seat, and the top of sword mouth seat is equipped with the case that is used for the shutoff inlet port, case and trace fixed connection, and the other end of trace passes outside the venthole extends to the valve body, and the cover is equipped with spacing spring on the trace, and the case is supported to spacing spring's one end, and spacing spring's the other end is connected with the sealing washer. Compared with the prior art, this gas pipeline exhaust valve simple structure, the ann tears the convenience open, has realized gaseous one-way exhaust in the gas pipeline, avoids in the outside air gets into the gas pipeline, has promoted user's gas use and has experienced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a gas pipeline exhaust valve, its characterized in that, includes the valve body, the both ends of valve body are equipped with sealing washer and sword mouth seat respectively, the sealing washer is equipped with the venthole, the sword mouth seat is equipped with the inlet port, the top of sword mouth seat is equipped with and is used for the shutoff the case of inlet port, case and trace fixed connection, the other end of trace passes the venthole extends to outside the valve body, the cover is equipped with spacing spring on the trace, the one end of spacing spring is supported and is leaned on the case, spacing spring's the other end with the sealing washer is connected.
2. The gas pipeline exhaust valve according to claim 1, wherein the cutting edge seat and the sealing ring are welded to the valve body.
3. The gas pipeline exhaust valve as recited in claim 1, wherein the linkage rod is fixedly connected with a handle at one end outside the valve body, the handle is provided with a positioning hole, and the valve body is provided with a positioning pin matched with the positioning hole.
4. The gas pipeline exhaust valve according to claim 1, wherein the valve core is cylindrical, and a rubber gasket matched with a knife edge of the knife edge seat is arranged on one side of the valve core, which faces the knife edge seat.
5. The gas pipe vent valve of claim 4, wherein the rubber gasket is fixedly attached to the valve core by a bolt.
6. The gas pipeline exhaust valve according to claim 1, wherein the bottom of the cutting edge seat is provided with an external thread, and the cutting edge seat is in threaded connection with a gas pipeline through the external thread.
7. The gas pipeline exhaust valve as recited in claim 1, wherein the trace is threadedly connected to the valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022898611.6U CN214119061U (en) | 2020-12-04 | 2020-12-04 | Exhaust valve of gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022898611.6U CN214119061U (en) | 2020-12-04 | 2020-12-04 | Exhaust valve of gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214119061U true CN214119061U (en) | 2021-09-03 |
Family
ID=77509136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022898611.6U Active CN214119061U (en) | 2020-12-04 | 2020-12-04 | Exhaust valve of gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214119061U (en) |
-
2020
- 2020-12-04 CN CN202022898611.6U patent/CN214119061U/en active Active
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