A leak-proof gas pipeline valve

Abstract

The utility model relates to the technical field of valves, and provides a leak-proof gas pipeline valve, including a valve assembly, wherein the valve assembly includes a valve body, an air inlet cavity, a partition, an air outlet cavity and a reserved groove, and a partition is fixed inside the valve body. The utility model is provided with a self-closing structure, and the gas enters the interior of the air inlet cavity through the air inlet pipe. After a large amount of gas enters, the gas can push up the valve disc through the reserved groove. Under the condition of stable transportation, the gas can always push up the valve disc and enter the interior of the air outlet cavity through the reserved groove to ensure the normal transportation of the gas. When gas leakage occurs at the gas input end, the lifting force on the bottom end of the valve disc decreases, and the valve disc is subjected to the rebound force of the spring at its top end, and falls downward, and the lower end of the valve disc and the top end of the partition collide with each other, closing the transportation port, so that the device has the function of automatically closing the gas transportation port, and the safety of the gas pipeline valve when in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a leakage-proof gas pipeline valve. Background Art

[0002] Gas pipelines are important facilities for supplying gas to households and industries. Their safety is related to the safety of people's lives and property. Gas leakage not only harms humans, but may also cause environmental pollution and affect the ecological balance. Leak-proof gas pipeline valves can reduce the damage to the environment caused by such accidents. Therefore, it is necessary to design a leak-proof gas pipeline valve.

[0003] Traditional gas pipeline valves can only be opened or closed manually when in use, and it is inconvenient to automatically close the valve when gas leaks. Therefore, it is necessary to design a gas pipeline valve that can automatically close. Utility Model Content

[0004] The utility model aims to provide a leak-proof gas pipeline valve, so as to solve the defect that the existing gas pipeline valve can only be opened or closed manually when in use, and it is inconvenient to automatically close the valve when gas leaks.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a leak-proof gas pipeline valve, comprising a valve assembly;

[0006] The valve assembly comprises a valve body, an air inlet cavity, a partition, an air outlet cavity and a reserved groove, wherein a partition is fixed inside the valve body, an air inlet cavity is opened below the partition inside the valve body, an air outlet cavity is opened above the partition inside the valve body, and a reserved groove is opened inside the partition;

[0007] A gas delivery assembly is installed at one end of the valve body, and an air inlet pipe is installed at the other end of the valve body;

[0008] The top of the valve body is installed with a mounting assembly, which includes a cover body, a self-closing structure and bolts. The cover body is installed on the top of the valve body, the bottom of the cover body is fixed with a self-closing structure, and the inside of the cover body is evenly penetrated with bolts;

[0009] The self-closing structure includes a limit sleeve, a telescopic rod, a spring, a connecting rod and a valve flap. The limit sleeve is fixed to the bottom end of the self-closing structure, the top of the limit sleeve is provided with a telescopic rod, the outside of the telescopic rod is provided with a spring, the bottom end of the telescopic rod is fixed with a connecting rod, and the bottom end of the connecting rod is fixed with a valve flap.

[0010] Furthermore, the gas delivery component includes a through cavity, a gas delivery pipe, a pressure sensor and a monitoring structure. The gas delivery pipe is installed at one end of the valve body. A through cavity is opened inside the gas delivery pipe. A pressure sensor is fixed on the inner wall of the gas delivery pipe at the top of the through cavity. A monitoring structure is fixed at the top of the gas delivery pipe.

[0011] Furthermore, the monitoring structure includes a monitoring box, a data processor, a single-chip microcomputer, an alarm, a data storage device and a circuit board. The monitoring box is fixed to the top of the gas pipe, a circuit board is installed inside the monitoring box, a data processor is installed on one side of the top of the circuit board, a single-chip microcomputer is provided on one side of the data processor, a data storage device is provided on one side of the single-chip microcomputer, and an alarm is fixed on one side of the top of the monitoring box.

[0012] Furthermore, the output end of the data processor is electrically connected to the input end of the single-chip microcomputer, and the output end of the data processor is electrically connected to the input end of the data storage device.

[0013] Furthermore, the input end of the single chip microcomputer is electrically connected to the output end of the pressure sensor, and the output end of the single chip microcomputer is electrically connected to the input end of the alarm.

[0014] Furthermore, the inner diameter of the limiting sleeve is larger than the outer diameter of the connecting rod, and the top end of the telescopic rod and the bottom end of the cover body are fixedly connected.

[0015] Furthermore, the connecting rod and the telescopic rod form a telescopic structure through a spring, and the bottom end of the valve flap and the top end of the partition plate are in conflict with each other.

[0016] The utility model provides a leak-proof gas pipeline valve, which has the advantages of:

[0017] By providing a self-closing structure, the gas enters the interior of the inlet cavity through the inlet pipe. After a large amount of gas enters, the gas can push the valve disc upward through the reserved groove. Under the condition of stable transportation, the gas can always push the valve disc up and enter the interior of the outlet cavity through the reserved groove to ensure the normal transportation of the gas. When a gas leak occurs at the gas input end, the lifting force on the bottom end of the valve disc decreases, and the valve disc is subjected to the rebound force of the spring at its top end and falls downward. The bottom end of the valve disc and the top end of the partition plate collide with each other to close the transportation port, thereby realizing the function of automatically closing the gas transportation port of the device and improving the safety of the gas pipeline valve when in use.

[0018] By providing a monitoring structure, the gas enters the interior of the through cavity through the gas outlet cavity, and the pressure sensor monitors the pressure inside the through cavity in real time. When gas leakage occurs at the gas output end, the air pressure inside the through cavity will change. When the pressure sensor detects that the air pressure inside the through cavity is not within a preset range, it will transmit a signal to the data processor, and the data processor will transmit a signal to the single-chip microcomputer, which will start an alarm to remind the staff to carry out timely maintenance, thereby realizing the function of the device to monitor the air pressure inside the through cavity in real time, and improving the safety of the gas pipeline valve when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0021] Figure 3 For the utility model Figure 2 Schematic diagram of the partially truncated and enlarged structure;

[0022] Figure 4 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 5 It is a side cross-sectional structural schematic diagram of the utility model;

[0024] Figure 6 It is a schematic diagram of the top structure of the utility model.

[0025] Explanation of the reference numerals in the figure: 1. valve assembly; 11. valve body; 12. air inlet cavity; 13. partition; 14. air outlet cavity; 15. reserved groove; 2. gas delivery assembly; 21. through cavity; 22. gas delivery pipe; 23. pressure sensor; 24. monitoring structure; 241. monitoring box; 242. data processor; 243. single-chip microcomputer; 244. alarm; 245. data storage device; 246. circuit board; 3. mounting assembly; 31. cover body; 32. self-closing structure; 321. limit sleeve; 322. telescopic rod; 323. spring; 324. connecting rod; 325. valve disc; 33. bolt; 4. air inlet pipe. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 6 The utility model provides a leakage-proof gas pipeline valve, which includes a valve assembly 1.

[0028] Reference Figure 2 , Figure 3 and Figure 6 The valve assembly 1 includes a valve body 11, an air inlet cavity 12, a partition 13, an air outlet cavity 14 and a reserved groove 15. The partition 13 is fixed inside the valve body 11, and the air inlet cavity 12 is opened below the partition 13 inside the valve body 11. The air outlet cavity 14 is opened above the partition 13 inside the valve body 11, and the reserved groove 15 is opened inside the partition 13. A gas transmission assembly 2 is installed at one end of the valve body 11. The gas transmission assembly 2 includes a through cavity 21, a gas transmission pipe 22, a pressure sensor 23 and a monitoring structure 24. The gas transmission pipe 22 is installed at one end of the valve body 11. The through cavity 21 is opened inside the gas transmission pipe 22. The pressure sensor 23 is fixed on the inner wall of the gas transmission pipe 22 at the top of the through cavity 21. The monitoring structure 24 is fixed on the top of the gas transmission pipe 22. The monitoring structure 24 includes a monitoring box 241, a data processor 242, and a single-chip microcomputer 24. 3. Alarm 244, data storage 245 and circuit board 246. The monitoring box 241 is fixed to the top of the gas pipe 22. The circuit board 246 is installed inside the monitoring box 241. The data processor 242 is installed on one side of the top of the circuit board 246. The single-chip microcomputer 243 is arranged on one side of the data processor 242. The data storage 245 is arranged on one side of the single-chip microcomputer 243. The alarm 244 is fixed on one side of the top of the monitoring box 241. The output end of the data processor 242 is electrically connected to the input end of the single-chip microcomputer 243. The output end of the data processor 242 is electrically connected to the input end of the data storage 245. The input end of the single-chip microcomputer 243 is electrically connected to the output end of the pressure sensor 23. The output end of the single-chip microcomputer 243 is electrically connected to the input end of the alarm 244. The other end of the valve body 11 is installed with an air intake pipe 4.

[0029] The gas enters the interior of the through cavity 21 through the gas outlet cavity 14, and the pressure sensor 23 monitors the pressure inside the through cavity 21 in real time. When gas leakage occurs at the gas output end, the air pressure inside the through cavity 21 will change. When the pressure sensor 23 detects that the air pressure inside the through cavity 21 is not within a preset range, it will transmit a signal to the data processor 242, and the data processor 242 will transmit a signal to the single-chip microcomputer 243, and the single-chip microcomputer 243 will start an alarm to remind the staff to repair in time.

[0030] Reference Figure 2 , Figure 4 and Figure 5The top of the valve body 11 is provided with a mounting assembly 3, the mounting assembly 3 comprising a cover body 31, a self-closing structure 32 and bolts 33. The cover body 31 is mounted on the top of the valve body 11, the bottom of the cover body 31 is fixed with the self-closing structure 32, the inside of the cover body 31 is evenly penetrated with bolts 33, the self-closing structure 32 comprises a limiting sleeve 321, a telescopic rod 322, a spring 323, a connecting rod 324 and a valve disc 325, the limiting sleeve 321 is fixed to the bottom of the self-closing structure 32, the limiting sleeve 32 1 is provided with a telescopic rod 322 at the top, a spring 323 is provided on the outside of the telescopic rod 322, a connecting rod 324 is fixed to the bottom end of the telescopic rod 322, a valve flap 325 is fixed to the bottom end of the connecting rod 324, the inner diameter of the limiting sleeve 321 is larger than the outer diameter of the connecting rod 324, the top end of the telescopic rod 322 is fixedly connected to the bottom end of the cover body 31, the connecting rod 324 and the telescopic rod 322 form a telescopic structure through the spring 323, and the bottom end of the valve flap 325 and the top end of the partition 13 are in conflict with each other.

[0031] The gas enters the interior of the gas inlet chamber 12 through the gas inlet pipe 4. After a large amount of gas enters, the gas can push the valve flap 325 upward through the reserved groove 15. When the gas is transported stably, the valve flap 325 can always be pushed up and enter the interior of the gas outlet chamber 14 through the reserved groove 15 to ensure the normal transportation of the gas. When gas leakage occurs at the gas input end, the lifting force on the bottom end of the valve flap 325 decreases, and the valve flap 325 is subjected to the rebound force of the spring 323 at its top end and falls downward. The bottom end of the valve flap 325 and the top end of the partition 13 collide with each other, closing the transportation port.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A leak-proof gas pipeline valve, comprising a valve assembly (1); Features: The valve assembly (1) comprises a valve body (11), an air inlet cavity (12), a partition (13), an air outlet cavity (14) and a reserved groove (15); the partition (13) is fixed inside the valve body (11); an air inlet cavity (12) is provided below the partition (13) inside the valve body (11); an air outlet cavity (14) is provided above the partition (13) inside the valve body (11); and a reserved groove (15) is provided inside the partition (13); A gas delivery assembly (2) is installed at one end of the valve body (11), and an air inlet pipe (4) is installed at the other end of the valve body (11); The top end of the valve body (11) is provided with a mounting assembly (3), the mounting assembly (3) comprising a cover body (31), a self-closing structure (32) and bolts (33), the cover body (31) is mounted on the top end of the valve body (11), the bottom end of the cover body (31) is fixed with the self-closing structure (32), and the inside of the cover body (31) is uniformly penetrated by bolts (33); The self-closing structure (32) comprises a limiting sleeve (321), a telescopic rod (322), a spring (323), a connecting rod (324) and a valve flap (325); the limiting sleeve (321) is fixed to the bottom end of the self-closing structure (32); the top of the limiting sleeve (321) is provided with a telescopic rod (322); the outer side of the telescopic rod (322) is provided with a spring (323); the bottom end of the telescopic rod (322) is fixed with a connecting rod (324); and the bottom end of the connecting rod (324) is fixed with a valve flap (325).

2. The anti-leakage gas pipeline valve according to claim 1, characterized in that: The gas delivery component (2) comprises a through cavity (21), a gas delivery pipe (22), a pressure sensor (23) and a monitoring structure (24); the gas delivery pipe (22) is installed at one end of the valve body (11); a through cavity (21) is provided inside the gas delivery pipe (22); a pressure sensor (23) is fixed on the inner wall of the gas delivery pipe (22) at the top of the through cavity (21); and a monitoring structure (24) is fixed at the top end of the gas delivery pipe (22).

3. The anti-leakage gas pipeline valve according to claim 2, characterized in that: The monitoring structure (24) comprises a monitoring box (241), a data processor (242), a single-chip microcomputer (243), an alarm (244), a data storage device (245) and a circuit board (246); the monitoring box (241) is fixed to the top end of the gas transmission pipe (22); a circuit board (246) is installed inside the monitoring box (241); a data processor (242) is installed on one side of the top end of the circuit board (246); a single-chip microcomputer (243) is provided on one side of the data processor (242); a data storage device (245) is provided on one side of the single-chip microcomputer (243); and an alarm (244) is fixed on one side of the top end of the monitoring box (241).

4. The anti-leakage gas pipeline valve according to claim 3, characterized in that: The output end of the data processor (242) is electrically connected to the input end of the single-chip computer (243), and the output end of the data processor (242) is electrically connected to the input end of the data storage device (245).

5. The anti-leakage gas pipeline valve according to claim 3, characterized in that: The input end of the single-chip microcomputer (243) is electrically connected to the output end of the pressure sensor (23), and the output end of the single-chip microcomputer (243) is electrically connected to the input end of the alarm (244).

6. The anti-leakage gas pipeline valve according to claim 1, characterized in that: The inner diameter of the limiting sleeve (321) is greater than the outer diameter of the connecting rod (324), and the top end of the telescopic rod (322) and the bottom end of the cover body (31) are fixedly connected.

7. The anti-leakage gas pipeline valve according to claim 1, characterized in that: The connecting rod (324) and the telescopic rod (322) form a telescopic structure via a spring (323), and the bottom end of the valve flap (325) and the top end of the partition plate (13) are in contact with each other.

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