Leak-proof natural gas valve

Abstract

The utility model discloses an anti-leakage natural gas valve, which belongs to the field of natural gas valves and comprises a first valve body shell and a second valve body shell, the outer side of the second valve body shell is movably inserted into the inner side of the first valve body shell, and a gas inlet pipe and a gas conveying pipe are arranged on the inner side of the first valve body shell. Flanges are fixedly connected to one ends of the air inlet pipe and the air conveying pipe, the two flanges are in threaded connection through bolts, a second block and a first block are fixedly connected to the bottoms of the first valve body shell and the second valve body shell correspondingly, a moving block is slidably connected to the inner side of the sliding hole, and second springs are fixedly connected to the inner walls of the two sides of the moving block. The device is reasonable in structural design, the first valve body shell and the second valve body shell can be conveniently fixed together through cooperation of the movable block, the fixed block and the second spring, a user can rapidly open the device, and time cost is saved.

Description

Technical Field

[0001] This utility model relates to the field of natural gas valves, and more particularly to a leak-proof natural gas valve. Background Technology

[0002] Valves are control components in fluid transport systems, possessing functions such as shut-off, regulation, flow guidance, backflow prevention, pressure stabilization, flow diversion, or overflow pressure relief. Valves used in fluid control systems range from the simplest shut-off valves to the various valves used in highly complex automated control systems, with a wide variety of types and specifications. Valves can be used to control the flow of various types of fluids, including air, water, steam, various corrosive media, slurry, oil, liquid metals, and radioactive media.

[0003] In existing natural gas valves, the valve housings are directly installed using bolts. However, when users need to unscrew the bolts, it is difficult and time-consuming because bolt removal requires tools, and the bolts are prone to rusting and aging. This makes it difficult for users to quickly remove the valves, thus affecting their ability to disassemble them efficiently. Therefore, we propose a leak-proof natural gas valve to solve this problem. Utility Model Content

[0004] The purpose of this invention is to provide a leak-proof natural gas valve to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A leak-proof natural gas valve includes: a first valve body shell and a second valve body shell, wherein the outer side of the second valve body shell is movably inserted into the inner side of the first valve body shell, and an inlet pipe and a delivery pipe are provided inside the first valve body shell, with a flange fixedly connected to one end of each pipe, and the flanges are connected by bolts. A second block and a first block are fixedly connected to the bottom of the first and second valve body shells, respectively. A sliding hole is provided inside the second block, and a moving block is slidably connected inside the hole. A second spring is fixedly connected to the inner walls of both sides of the moving block, and an abutment block is fixedly connected to the other end of each second spring. A fixing block is fixedly connected to one inner wall of the first block, and a connecting block is fixedly connected to the outer side of the fixing block. A third block is slidably connected to the outer side of the fixing block, and one side of each abutment block movably abuts against the rear side of the connecting block. A preventive mechanism is provided inside the first valve body shell.

[0007] Preferably, the prevention mechanism includes a natural gas monitor, the natural gas monitor being fixedly connected to the outer side of the housing of the second valve body, and an alarm light being fixedly connected to the outer side of the housing of the second valve body, and the alarm light being electrically connected to the natural gas monitor.

[0008] Preferably, a groove is provided on one side of the second block, a locking block is fixedly connected to the inner side of the groove, and the outer side of the locking block is movably inserted into the inner side of the moving block. A fourth spring is fixedly connected to one side of the locking block, and the other end of the fourth spring is fixedly connected to the inner wall of one side of the groove.

[0009] Preferably, each of the two second springs is fixedly connected to a fixed cylinder on one side, and a fixed rod is slidably connected to the inner side of the fixed cylinder, and one side of each of the two fixed rods is fixedly connected to the inner walls of the two sides of the moving block.

[0010] Preferably, a No. 3 spring is fixedly connected to one side of the movable block, and the other end of the No. 3 spring is fixedly connected to the front side of the No. 2 block. Small blocks are fixedly connected to both sides of the movable block, and movable grooves adapted to the small blocks are opened on the inner walls of both sides of the No. 2 block. The outer sides of the two small blocks are slidably connected to the inner side of the corresponding movable grooves.

[0011] Preferably, the outer side of the third block is movably abutted against one side of the two second springs, and a circular groove is provided on the inner side of the fixed block. A first spring is fixedly connected to the inner wall of one side of the circular groove, and the other end of the first spring is fixedly connected to the rear side of the third block.

[0012] In this utility model, a leak-proof natural gas valve is constructed by connecting the inlet pipe and the outlet pipe, and then merging the first valve body shell and the second valve body shell together. The connection between the inlet pipe and the outlet pipe is located in the cavity formed by the first valve body shell and the second valve body shell. Sealing gaskets are provided on the contact surfaces of the first and second valve body shells with the outlet pipe and the inlet pipe, as well as on the contact surfaces of the second valve body shell and the first valve body shell. When a natural gas leak occurs inside the device, the natural gas monitor will monitor the concentration of natural gas inside the cavity. When the concentration exceeds the standard, the alarm light will be activated immediately, causing the alarm light to sound, thereby reminding the user to rush to the scene. The inlet pipe and the outlet pipe are wrapped by the first valve body shell and the second valve body shell.

[0013] This utility model describes a leak-proof natural gas valve that prevents natural gas leakage, thus improving user safety by blocking any potential leaks. During installation of the first and second valve body shells, they are directly joined together. During this process, the abutment block moves horizontally and begins to slide on the outside of the connecting block while the second spring is compressed. Once the first and second valve body shells are joined, the abutment block no longer slides on the surface of the connecting block; at this point, the front of the abutment block abuts against the rear of the connecting block. When the device is assembled, when disassembly is required, first move the locking block to the right, then press the moving block to make the abutment block continue to move. The abutment block will move outside the third block. Then stop pressing the moving block. At this time, under the action of the third spring, the moving block begins to reset. Then the abutment block begins to move in the opposite direction and drives the third block to move. The first spring is stretched. Then the abutment block slides on the surface of the third block. When the third block abuts against the connecting block, the abutment block slides from the surface of the third block to the surface of the connecting block. Finally, the abutment block leaves the outside of the connecting block. At this time, the separation of the first valve body shell and the second valve body shell is completed.

[0014] This utility model has a reasonable structural design. Through the cooperation between the moving block, the fixed block and the second spring, the outer shell of the first valve body and the outer shell of the second valve body can be easily fixed together, which allows the user to quickly open the device and save time. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a leak-proof natural gas valve proposed in this utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of a leak-proof natural gas valve proposed in this utility model;

[0017] Figure 3 This is a cross-sectional structural diagram of the air inlet pipe and air outlet pipe proposed in this utility model.

[0018] Figure 4 This is a cross-sectional view of the movable block proposed in this utility model.

[0019] In the diagram: 1. Valve body shell (No. 1); 2. Valve body shell (No. 2); 3. Inlet pipe; 4. Gas delivery pipe; 5. Block 1; 6. Block 2; 7. Moving block; 8. Abutment block; 9. Fixing block; 10. Connecting block; 11. Block 3; 12. Spring 1; 13. Spring 2; 14. Spring 3; 15. Spring 4; 16. Natural gas monitor; 17. Alarm light. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figure 1-4 A leak-proof natural gas valve includes: a primary valve body shell 1 and a secondary valve body shell 2, wherein the outer side of the secondary valve body shell 2 is movably inserted into the inner side of the primary valve body shell 1, and an inlet pipe 3 and a delivery pipe 4 are provided inside the primary valve body shell 1, with flanges fixedly connected to one end of both the inlet pipe 3 and the delivery pipe 4, and the two flanges are connected by bolts and threads; a secondary block 6 and a primary block 5 are fixedly connected to the bottom of the primary valve body shell 1 and the secondary valve body shell 2, respectively. A sliding hole is provided on the inner side of block 6, and a movable block 7 is slidably connected to the inner side of the sliding hole. A second spring 13 is fixedly connected to the inner walls on both sides of the movable block 7, and an abutment block 8 is fixedly connected to the other end of each of the two second springs 13. A fixed block 9 is fixedly connected to the inner wall on one side of block 5, and a connecting block 10 is fixedly connected to the outer side of the fixed block 9. A third block 11 is slidably connected to the outer side of the fixed block 9, and one side of each of the two abutment blocks 8 is movably abutting against the rear side of the connecting block 10. A prevention mechanism is provided on the inner side of the outer shell 1 of valve body 1.

[0022] In this embodiment, the prevention mechanism includes: a natural gas monitor 16, which is fixedly connected to the outer side of the outer shell 2 of the second valve body, and an alarm light 17 is fixedly connected to the outer side of the outer shell 2 of the second valve body, and the alarm light 17 is electrically connected to the natural gas monitor 16. A sliding groove is provided on one side of the second block 6, and a locking block is fixedly connected to the inner side of the sliding groove. The outer side of the locking block is movably inserted into the inner side of the moving block 7, and a fourth spring 15 is fixedly connected to one side of the locking block. The other end of the fourth spring 15 is fixedly connected to the inner wall of one side of the sliding groove, which allows the locking block to be reset.

[0023] In this embodiment, a fixed cylinder is fixedly connected to one side of each of the two second springs 13, and a fixed rod is slidably connected to the inside of the fixed cylinder. One side of each of the two fixed rods is fixedly connected to the inner walls of both sides of the movable block 7. A third spring 14 is fixedly connected to one side of the movable block 7, and the other end of the third spring 14 is fixedly connected to the front side of the second block 6. Small blocks are fixedly connected to both sides of the movable block 7, and movable grooves that match the small blocks are opened on the inner walls of both sides of the second block 6. The outer sides of the two small blocks are slidably connected to the inner side of the corresponding movable grooves. The outer side of the third block 11 movably abuts against one side of the two second springs 13, and a circular groove is opened on the inner side of the fixed block 9. A first spring 12 is fixedly connected to the inner wall of one side of the circular groove, and the other end of the first spring 12 is fixedly connected to the rear side of the third block 11, which allows the third block 11 to be reset.

[0024] In this embodiment, during use, the inlet pipe 3 and the outlet pipe 4 are connected, and then the first valve body shell 1 and the second valve body shell 2 are merged together, so that the connection between the inlet pipe 3 and the outlet pipe 4 is in the cavity formed by the first valve body shell 1 and the second valve body shell 2. Sealing gaskets are provided on the contact surfaces of the first valve body shell 1 and the second valve body shell 2 with the outlet pipe 4 and the inlet pipe 3, as well as at the connection points with the contact surfaces of the second valve body shell 2 and the first valve body shell 1. When a natural gas leak occurs inside the device... The natural gas monitor 16 monitors the concentration of natural gas inside the cavity. When the concentration exceeds the standard, the alarm light 17 is immediately activated, emitting an alarm sound to alert the user to quickly arrive at the scene. Furthermore, the inlet pipe 3 and the outlet pipe 4 are enclosed by the No. 1 valve body shell 1 and the No. 2 valve body shell 2, preventing natural gas leakage. This device effectively blocks natural gas leaks, thereby improving the user's personal safety. During installation of the No. 1 valve body shell 1 and the No. 2 valve body shell 2, the No. 1 valve body shell 1 is directly connected to the outlet pipe. Valve body shell 1 and valve body shell 2 merge. During this process, the abutment block 8 moves horizontally and begins to slide outside the connecting block 10, while the second spring 13 is compressed. After valve body shell 1 and valve body shell 2 are merged, the abutment block 8 no longer slides on the surface of the connecting block 10. At this point, the front of the abutment block 8 abuts against the rear of the connecting block 10, and the device is now fully assembled. To disassemble, first move the locking block to the right, then press the moving block 7 to allow the abutment block 8 to continue moving, and the abutment block 8 will be outside the third block 11. The side moves, and then the moving block 7 is no longer pressed. At this time, under the action of the third spring 14, the moving block 7 begins to reset. Then the abutment block 8 begins to move in the opposite direction, and drives the third block 11 to move. The first spring 12 is stretched, and then the abutment block 8 slides on the surface of the third block 11. When the third block 11 abuts against the connecting block 10, the abutment block 8 slides from the surface of the third block 11 to the surface of the connecting block 10. Finally, the abutment block 8 leaves the outside of the connecting block 10. At this time, the separation of the first valve body shell 1 and the second valve body shell 2 is completed.

[0025] The above provides a detailed description of a leak-proof natural gas valve provided by this utility model. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of these embodiments are merely for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A leak-proof natural gas valve, characterized by, Include: The first valve body shell (1) and the second valve body shell (2), and the second valve body shell (2) is movably inserted into the inside of the first valve body shell (1), and the inside of the first valve body shell (1) is provided with an air inlet pipe (3) and a gas pipe (4), and one end of the air inlet pipe (3) and the gas pipe (4) is fixedly connected with a flange, and the two flanges are connected by bolts, and the bottom of the first valve body shell (1) and the second valve body shell (2) is fixedly connected with a second block (6) and a first block (5) respectively, and the inside of the second block (6) is provided with a sliding hole, and the inside of the sliding hole is slidably connected with a moving block (7), and the inside wall of the moving block (7) is fixedly connected with a second spring (13), and the other end of the two second springs (13) is fixedly connected with an abutting block (8), and the inside wall of the first block (5) is fixedly connected with a fixed block (9), and the outside of the fixed block (9) is fixedly connected with a connecting block (10), and the outside of the fixed block (9) is slidably connected with a third block (11), and the one side of the two abutting blocks (8) is movably abutted on the rear side of the connecting block (10), and the inside of the first valve body shell (1) is provided with a prevention mechanism.

2. A leak-proof natural gas valve according to claim 1, characterized in that, The prevention mechanism comprises: a natural gas monitor (16), and the outside of the natural gas monitor (16) is fixedly connected to the inside of the second valve body shell (2), and the outside of the second valve body shell (2) is fixedly connected with an alarm lamp (17), and the alarm lamp (17) is electrically connected with the natural gas monitor (16).

3. A leakproof natural gas valve as defined in claim 1, wherein, The one side of the second block (6) is provided with a sliding groove, the inside of the sliding groove is fixedly connected with a clamping block, and the outside of the clamping block is movably inserted into the inside of the moving block (7), and the one side of the clamping block is fixedly connected with a fourth spring (15), and the other end of the fourth spring (15) is fixedly connected to the inside wall of the sliding groove.

4. The leakproof natural gas valve of claim 1, wherein, The one side of the two second springs (13) is fixedly connected with a fixed cylinder, and the inside of the fixed cylinder is slidably connected with a fixed rod, and the one side of the two fixed rods is fixedly connected to the inside wall of the moving block (7).

5. A natural gas valve that prevents leakage according to claim 1, wherein The one side of the moving block (7) is fixedly connected with a third spring (14), and the other end of the third spring (14) is fixedly connected to the front side of the second block (6), and the two sides of the moving block (7) are fixedly connected with a small block, and the two inside walls of the second block (6) are provided with a moving groove matched with the small block, and the outside of the two small blocks is slidably connected to the inside of the corresponding moving groove.

6. A natural gas valve that prevents leaks as defined in claim 1, wherein The outside of the third block (11) is movably abutted on the one side of the two second springs (13), and the inside of the fixed block (9) is provided with a circular groove, the one side of the circular groove is fixedly connected with a first spring (12), and the other end of the first spring (12) is fixedly connected to the rear side of the third block (11).

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