Long-distance fuel gas conveying pressure regulating device

Abstract

The utility model discloses a long-distance fuel gas conveying pressure regulating device which comprises a machine body, a gas inlet pipe is fixedly connected to the side surface of the machine body, a valve is fixedly connected to the side surface of the gas inlet pipe, a gas outlet pipe is fixedly connected to the side surface of the machine body, and a machine cover is fixedly connected to the upper surface of the machine body. And the inner wall of the bottom of the machine body is fixedly connected with a dust extractor, and the input end of the dust extractor is fixedly connected with a telescopic pipe. According to the structure, through mutual cooperation of the moving block, the sliding block, the sliding groove, the fixing plate, the filter screen, the connecting column and the telescopic rod, the moving block can stably move on the fixing plate in a directional mode, meanwhile, dust or impurities on the filter screen can be swept down, and the dust and the impurities on the filter screen can be sucked into the dust storage box through cooperation of the telescopic pipe and the dust suction machine; the filter screen is prevented from being replaced by dismounting the device, the influence on the sealing performance of the whole device is reduced, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pressure regulation, in particular to a long-distance gas transmission pressure regulating device. Background Art

[0002] The gas transmission pressure regulating device is mainly used to regulate and control the gas pressure in the gas system, ensure the safety and stability of gas use, make the gas have a stable fuel-air ratio during combustion, and has the functions of reducing energy consumption and protecting gas equipment.

[0003] When the outlet pressure of the gas transmission and pressure regulating device drops, the downward pressure of the film inside the pressure-conducting pipe is less than the upper pressure, causing the film to move downward with the rod, so that the valve opens wider and the gas flow rate increases. Conversely, the valve closes smaller to reduce the flow rate. The existing gas transmission and pressure regulating device mainly filters the gas through the cooperation of the filter box, partition plate, limit plate, support plate and filter screen to make the gas purer. At the same time, the filter screen is easy to disassemble to prevent the filter screen from being blocked due to long-term use. However, in the process of disassembling the filter screen, the device will become loose and the sealing will decrease, which may cause gas leakage and cause safety accidents. After searching, it was found that the technical solution provided by the utility model with application number CN202120816451.8 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a long-distance gas transmission and pressure regulating device. Through the cooperation of a moving block, a slider, a slide groove, a fixed plate, a filter screen, a connecting column and a telescopic rod, the moving block can be stably and directionally moved on the fixed plate, and at the same time, the dust or impurities on the filter screen can be swept down. In conjunction with the telescopic tube and the dust extractor, the dust and impurities on the filter screen can be sucked into a dust storage box, avoiding disassembly of the device to replace the filter screen, reducing the impact on the sealing of the overall device, and extending the service life of the device.

[0005] To achieve the above-mentioned purpose, the utility model also provides the above-mentioned machine body, the side surface of the machine body is fixedly connected with an air inlet pipe, the side surface of the air inlet pipe is fixedly connected with a valve, the valve can close the air inlet pipe, and then the device can be repaired or cleaned, the side surface of the machine body is fixedly connected with an air outlet pipe, the upper surface of the machine body is fixedly connected with a cover, the bottom inner wall of the machine body is fixedly connected with a dust extractor, the input end of the dust extractor is fixedly connected with a telescopic tube, the telescopic tube can be freely extended or shortened, so as to facilitate cleaning of dust on the filter net, the output end of the dust extractor is fixedly connected with a dust outlet pipe, the bottom inner wall of the machine body is fixedly connected with a dust storage box, and the side inner wall of the machine body is fixedly connected with a mobile power supply;

[0006] The bottom inner wall of the body is fixedly connected to a connecting box, the side inner wall of the connecting box is fixedly connected to a fixing plate, the top inner wall of the connecting box is fixedly connected to a fixing box, the side inner wall of the connecting box is fixedly connected to a supporting plate, the upper surface of the supporting plate is fixedly connected to a supporting column, the upper end of the supporting column is fixedly connected to a film, the film can be deformed according to the pressure of the gas, and can change the height of the baffle, thereby changing the pipeline pressure, the upper surface of the film is fixedly connected to a pressing block, the pressing block is used to increase the pressure in the fixing box, the lower surface of the pressing block is fixedly connected to a guide column, the lower end of the guide column is fixedly connected to a baffle, the baffle is raised or lowered, the size of the air inlet is changed, thereby changing the pipeline pressure, the lower surface of the machine cover is fixedly connected to a telescopic rod, the telescopic rod can drive the connecting column to extend and retract, so as to facilitate the cleaning of the filter net up and down, the output end of the telescopic rod is fixedly connected to the connecting column, the lower end of the connecting column is fixedly connected to a moving block, and the side surface of the moving block is fixedly connected to a slider.

[0007] According to the long-distance gas transmission and pressure regulating device, a slide groove is provided on the side inner wall of the fixed plate, which can enable the slider to move stably, prevent the moving block from falling off, and enhance the dust cleaning ability of the device. A filter screen is fixedly connected to the side inner wall of the fixed plate, and the filter screen can improve the purity of the gas and filter out dust impurities.

[0008] According to the long-distance gas transmission and pressure regulating device, the side surface of the slider is slidably connected to the slide groove, and the side surface of the moving block is slidably connected to the filter screen.

[0009] According to the long-distance gas transmission and pressure regulating device, the side surface of the guide column is slidably connected to the film, and the upper surface of the support plate is fixedly connected to the film.

[0010] According to the long-distance gas transmission and pressure regulating device, the side surface of the telescopic pipe is fixedly connected to the connection box, and the side surface of the dust outlet pipe is fixedly connected to the dust storage box.

[0011] According to the long-distance gas transmission and pressure regulating device, the telescopic rod and the dust extractor are both electrically connected to the mobile power supply. The dust extractor can clean the dust on the filter to reduce the need to disassemble the device to replace the filter. The mobile power supply is electrically connected to an external power supply.

[0012] According to the long-distance gas transmission and pressure regulating device, the side surface of the moving block is provided with a dust extraction hole, and the lower surface of the fixed box is fixedly connected to the film.

[0013] According to the long-distance gas transmission and pressure regulating device, the side surface of the connecting column is slidably connected to the connecting box.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram of the overall structure of the long-distance gas transmission and pressure regulating device of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the long-distance gas transmission pressure regulating device of the utility model;

[0018] Figure 3 This is a partial structural schematic diagram of the long-distance gas transmission pressure regulating device of the utility model;

[0019] Figure 4 This is another structural schematic diagram of the long-distance gas transmission pressure regulating device of the utility model;

[0020] Figure 5 It is a partial structural exploded diagram of the long-distance gas transmission and pressure regulating device of the utility model.

[0021] Legend:

[0022] 1. Machine body; 2. Machine cover; 3. Air inlet pipe; 4. Valve; 5. Air outlet pipe; 6. Dust extractor; 7. Dust storage box; 8. Connection box; 9. Mobile power supply; 10. Telescopic rod; 11. Telescopic tube; 12. Fixed box; 13. Support plate; 14. Film; 15. Press block; 16. Fixed plate; 17. Support column; 18. Guide column; 19. Baffle; 20. Connection column; 21. Moving block; 22. Slider; 23. Dust outlet pipe. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-5, the long-distance gas transmission and pressure regulating device of the utility model embodiment comprises a body 1, the side surface of the body 1 is fixedly connected with an air inlet pipe 3, the side surface of the air inlet pipe 3 is fixedly connected with a valve 4, the valve 4 can close the air inlet pipe 3, and then the device can be repaired or cleaned, the side surface of the body 1 is fixedly connected with an air outlet pipe 5, the upper surface of the body 1 is fixedly connected with a cover 2, the bottom inner wall of the body 1 is fixedly connected with a dust extractor 6, the input end of the dust extractor 6 is fixedly connected with a telescopic tube 11, the side surface of the telescopic tube 11 is fixedly connected to a connecting box 8, the telescopic tube 11 can be freely extended or shortened, which is convenient for cleaning dust on the filter net, the output end of the dust extractor 6 is fixedly connected with a dust outlet pipe 23, the side surface of the dust outlet pipe 23 is fixedly connected to a dust storage box 7, the bottom inner wall of the body 1 is fixedly connected with a dust storage box 7, the side inner wall of the body 1 is fixedly connected with a mobile power supply 9, and the mobile power supply 9 is electrically connected to an external power supply.

[0025] The bottom inner wall of the machine body 1 is fixedly connected with a connecting box 8, and the side inner wall of the connecting box 8 is fixedly connected with a fixing plate 16. The side inner wall of the fixing plate 16 is provided with a slide groove, and the slide groove can make the slider 22 move stably to prevent the moving block 21 from falling off, thereby enhancing the ability of the device to clean dust. The side inner wall of the fixing plate 16 is fixedly connected with a filter screen, and the filter screen can improve the purity of the gas and filter out dust impurities. The top inner wall of the connecting box 8 is fixedly connected with a fixing box 12, and the lower surface of the fixing box 12 is fixedly connected to the film 14. The side inner wall of the connecting box 8 is fixedly connected with a supporting plate 13, and the upper surface of the supporting plate 13 is fixedly connected to the film 14. The upper surface of the supporting plate 13 is fixedly connected with a supporting column 17, and the upper end of the supporting column 17 is fixedly connected with the film 14. The film 14 can be deformed according to the pressure of the gas, and can change the height of the baffle 19, thereby changing the pipeline pressure. The upper surface of the film 14 is fixedly connected with a pressing block 15, and the pressing block 15 is used to improve the fixing box 1 2, the lower surface of the pressure block 15 is fixedly connected with a guide column 18, the side surface of the guide column 18 is slidably connected to the film 14, the lower end of the guide column 18 is fixedly connected with a baffle 19, the baffle 19 is raised or lowered, which will change the size of the air inlet, thereby changing the pipeline pressure, the lower surface of the cover 2 is fixedly connected with a telescopic rod 10, the telescopic rod 10 and the dust extractor 6 are both electrically connected to the mobile power supply 9, the dust extractor 6 can clean up the dust on the filter net, reducing the situation of disassembling the device to replace the filter net, the telescopic rod 10 can drive the connecting column 20 to extend and retract, which is convenient for cleaning the filter net up and down, the output end of the telescopic rod 10 is fixedly connected with a connecting column 20, the side surface of the connecting column 20 is slidably connected to the connecting box 8, the lower end of the connecting column 20 is fixedly connected with a moving block 21, the side surface of the moving block 21 is provided with a dust extraction hole, the side surface of the moving block 21 is slidably connected to the filter net, the side surface of the moving block 21 is fixedly connected with a slider 22, and the side surface of the slider 22 is slidably connected to the slide groove.

[0026] Working principle: Gas passes through the connecting box 8. When too much gas passes through, the pressure below the film 14 will increase, and the film 14 will drive the pressure block 15 to rise, thereby driving the baffle 19 to rise, and the gas port will become smaller, which will reduce the amount of gas passing through. When too little gas passes through, the pressure below is smaller than the pressure block 15, and the pressure block 15 will press downward, causing the film 14 to deform, thereby causing the baffle 19 to move downward, making the gas port larger and increasing the amount of gas passing through. When cleaning dust, close the valve 4, turn on the power, turn on the telescopic rod 10 and the dust extractor 6, and the telescopic rod 10 drives the connecting column 20 to sweep the dust up and down, and the dust extractor 6 draws the dust on the filter net into the dust storage box 7 through the telescopic tube 11.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. Long distance gas transmission pressure regulating device, characterized in that: include: A machine body (1), wherein an air inlet pipe (3) is fixedly connected to the side surface of the machine body (1), a valve (4) is fixedly connected to the side surface of the air inlet pipe (3), an air outlet pipe (5) is fixedly connected to the side surface of the machine body (1), a cover (2) is fixedly connected to the upper surface of the machine body (1), a dust extractor (6) is fixedly connected to the bottom inner wall of the machine body (1), an input end of the dust extractor (6) is fixedly connected to a telescopic tube (11), an output end of the dust extractor (6) is fixedly connected to a dust outlet pipe (23), a dust storage box (7) is fixedly connected to the bottom inner wall of the machine body (1), and a mobile power source (9) is fixedly connected to the side inner wall of the machine body (1); The bottom inner wall of the machine body (1) is fixedly connected to a connection box (8), the side inner wall of the connection box (8) is fixedly connected to a fixing plate (16), the top inner wall of the connection box (8) is fixedly connected to a fixing box (12), the side inner wall of the connection box (8) is fixedly connected to a support plate (13), the upper surface of the support plate (13) is fixedly connected to a support column (17), the upper end of the support column (17) is fixedly connected to a film (14), and the upper surface of the film (14) is fixedly connected to the support column (17). A pressing block (15) is fixedly connected to the surface, a guide column (18) is fixedly connected to the lower surface of the pressing block (15), a baffle (19) is fixedly connected to the lower end of the guide column (18), a telescopic rod (10) is fixedly connected to the lower surface of the cover (2), a connecting column (20) is fixedly connected to the output end of the telescopic rod (10), a moving block (21) is fixedly connected to the lower end of the connecting column (20), and a sliding block (22) is fixedly connected to the side surface of the moving block (21).

2. The long-distance gas transmission pressure regulating device according to claim 1 is characterized in that: A sliding groove is provided on the side inner wall of the fixing plate (16), and a filter screen is fixedly connected to the side inner wall of the fixing plate (16).

3. The long-distance gas transmission pressure regulating device according to claim 2, characterized in that: The side surface of the sliding block (22) is slidably connected to the sliding groove, and the side surface of the moving block (21) is slidably connected to the filter screen.

4. The long-distance gas transmission pressure regulating device according to claim 1, characterized in that: The side surface of the guide column (18) is slidably connected to the film (14), and the upper surface of the support plate (13) is fixedly connected to the film (14).

5. The long-distance gas transmission pressure regulating device according to claim 1, characterized in that: The side surface of the telescopic tube (11) is fixedly connected to the connection box (8), and the side surface of the dust outlet pipe (23) is fixedly connected to the dust storage box (7).

6. The long-distance gas transmission pressure regulating device according to claim 1, characterized in that: The telescopic rod (10) and the dust collector (6) are both electrically connected to a mobile power source (9), and the mobile power source (9) is electrically connected to an external power source.

7. The long-distance gas transmission pressure regulating device according to claim 1, characterized in that: A dust extraction hole is provided on the side surface of the moving block (21), and the lower surface of the fixed box (12) is fixedly connected to the film (14).

8. The long-distance gas transmission pressure regulating device according to claim 1, characterized in that: The side surface of the connection column (20) is slidably connected to the connection box (8).

Images