High-safety gas filling and metering device

Abstract

The utility model relates to the technical field of gas filling, in particular to a high-safety gas filling metering device which can adjust the fixed height according to a gas tank needing to be filled, is suitable for gas tanks of different sizes, guarantees the gas tightness during pipeline connection and improves the practicability. Comprising a base and an airflow detection bin, the airflow detection bin is fixedly connected to the rear end of the top of the base, the rear end of the airflow detection bin is connected with an air inlet connecting pipe, a valve is arranged on the air inlet connecting pipe, and an airflow display is installed on the airflow detection bin and electrically connected with the airflow detection bin; an electric control valve used for guaranteeing gas replacement safety is arranged in the gas flow detection bin, supporting legs are fixedly installed at the four corners of the bottom of the base correspondingly, a height adjusting mechanism is installed at the front end of the top of the base, a fixing assembly is installed on the height adjusting mechanism, and two supporting columns are fixedly installed at the rear end of the top of the base; a top plate is fixedly installed at the top ends of the supporting columns and provided with a pipeline fixing assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of gas filling, in particular to a filling and metering device for high-safety gas. Background Art

[0002] After a hundred years of development, the gas industry, as an important branch of the gas industry, gas filling, is still mostly in the manual stage. Whether it is cylinder handling, cylinder loading and unloading, hose loading and unloading, or valve / equipment operation, a high-safety gas filling and metering device is needed to ensure the safety of operators. Prior art publication number CN216813151U proposes a high-purity gas filling pipeline replacement safety device, including a workbench, the upper surface of the workbench is fixedly connected to a fixing mechanism, and the upper surface of the workbench is fixedly connected to a clamping mechanism. However, when operating, the staff needs to move the pipeline or cylinder to the workbench, and the fixing angles of the fixing mechanism and the clamping mechanism are limited, which poses certain safety hazards. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a high-safety gas filling and metering device which can adjust the fixed height according to the gas tank to be filled, is suitable for gas tanks of different sizes, ensures the airtightness when connecting pipelines, and improves practicality.

[0004] The utility model discloses a high-safety gas filling and metering device, comprising a base and an airflow detection chamber, wherein the airflow detection chamber is fixedly connected to the top rear end of the base, the rear end of the airflow detection chamber is connected with an air intake connecting pipe, the air intake connecting pipe is provided with a valve, an airflow display is installed on the airflow detection chamber, the airflow display is electrically connected to the airflow detection chamber, an electric control valve for ensuring the safety of gas replacement is provided in the airflow detection chamber, legs are fixedly installed at the four corners of the bottom of the base respectively, a height adjustment mechanism is installed at the top front end of the base, a fixing assembly is installed on the height adjustment mechanism, and two supporting columns are fixedly installed at the top rear end of the base, a top plate is fixedly installed at the top of the supporting column, and a pipeline fixing assembly is installed on the top plate; a gas supply pipe for gas filling is connected with the air intake connecting pipe, a gas tank is placed on the top of the base, the position of the height adjustment mechanism is adjusted according to the gas tank to be filled, the gas tank is fixed by the fixing assembly, the pipeline fixing assembly is connected and fixed with the pipeline of the gas tank, the pipeline fixing assembly is ensured to be fixed, the valve is opened to fill the gas tank, and the electric control valve in the airflow detection chamber closes the valve automatically according to the program formulated in advance, so as to ensure the safety of gas filling and metering.

[0005] Preferably, the height adjustment mechanism includes two vertical rods, two sliding blocks, two fixed studs and two support rods. The two vertical rods are fixedly mounted on the left and right front ends of the base. The sliding blocks are slidably mounted on the outer walls of the vertical rods. The fixing studs are screwed on the outer walls of the sliding blocks. A plurality of limiting screw holes matching the fixing studs are provided on the outer walls of the vertical rods. The opposite ends of the two sliding blocks are fixedly connected with support rods. The sliding blocks are fixed by sliding the fixing studs on the vertical rods and tightening the fixing studs into the limiting screw holes. The fixing height can be adjusted according to the gas tanks to be filled. It is suitable for gas tanks of different sizes and improves practicality.

[0006] Preferably, the fixing assembly includes a fixing ring, multiple electric telescopic rods, multiple splints, multiple groups of telescopic rods and multiple arc-shaped contact plates. The left and right ends of the fixing ring are respectively fixedly connected to the upper part of the support rod. Multiple electric telescopic rods are axially and evenly installed on the fixing ring, and the telescopic ends of the electric telescopic rods are fixedly installed with splints. After the gas tank is placed on the top of the base, the slider slides on the vertical rod, and drives the fixing ring to move downward through the support rod so that it is located in the middle of the gas tank. The multiple electric telescopic rods are started to push the splints closer to each other, so as to fix and support the gas tank. It is suitable for gas tanks of different diameters.

[0007] Preferably, a placement groove is provided at a position corresponding to the fixing ring at the front top of the base, a positioning frame is fixedly installed at the placement groove at the top of the base, a plurality of second electric telescopic rods are axially and evenly installed on the positioning frame, and a tightening block is fixedly installed at the telescopic end of the second electric telescopic rod; the gas tank is placed in the placement groove, the gas tank is positioned, and the plurality of second electric telescopic rods are started to push the tightening blocks closer to each other to clamp the bottom of the gas tank, thereby further ensuring stability.

[0008] Preferably, a plurality of telescopic rods are evenly mounted on the splint, and an arc-shaped contact plate is fixedly mounted on the other end of the telescopic rod; the telescopic rod and the arc-shaped contact plate are mounted inside the splint, and the gas tank is fixed by the reaction force of the spring to avoid damage to the outer wall of the gas tank.

[0009] Preferably, the pipeline fixing assembly includes a cylinder, an inflation disk, an air pipe, a telescopic tube, a connecting sleeve, a rubber ring, a plurality of third electric telescopic rods and a plurality of clamping frames, the cylinder is fixedly installed at the front end of the top plate, the bottom of the cylinder is fixedly connected to the inflation disk, the output end of the airflow detection bin is connected to the air pipe, the output end of the air pipe passes through the top of the top plate and is connected to the telescopic tube, the output end of the telescopic tube is connected to the interior of the inflation disk, the bottom of the inflation disk is connected to the connecting sleeve, the bottom of the connecting sleeve is installed with a rubber ring, a plurality of third electric telescopic rods are axially evenly installed on the outer wall of the connecting sleeve, and the telescopic end of the third electric telescopic rod is fixedly installed with a clamping frame; starting the cylinder pushes the inflation disk and the connecting sleeve to move downward, so that the connecting sleeve is connected to the pipeline of the gas tank, starting the plurality of third electric telescopic rods pushes the clamping frames closer to each other, fixes the gas tank pipeline, ensures the air tightness of the connection, and further ensures the air tightness of the pipeline connection by the rubber ring.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the gas supply pipe for gas filling is connected to the air intake connecting pipe, the gas tank is placed on the top of the base, the position of the height adjustment mechanism is adjusted according to the gas tank to be filled, the gas tank is fixed by a fixing assembly, the pipeline fixing assembly is connected and fixed to the pipeline of the gas tank to ensure that the pipeline is fixed, the valve is opened to fill the gas tank, and the electric control valve in the airflow detection compartment closes the valve automatically according to a pre-established program to ensure the safety of gas filling and metering. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0013] Figure 3 It is a front structural schematic diagram of the utility model;

[0014] Figure 4 It is a right view structural schematic diagram of the utility model;

[0015] Figure 5 It is a right side cross-sectional structural schematic diagram of the utility model;

[0016] Markings in the attached drawings: 1. base; 2. air flow detection chamber; 3. air intake connecting pipe; 4. valve; 5. air flow display; 6. support leg; 7. vertical rod; 8. slider; 9. fixing stud; 10. support rod; 11. fixing ring; 12. electric telescopic rod; 13. splint; 14. telescopic rod; 15. arc contact plate; 16. positioning frame; 17. second electric telescopic rod; 18. tightening block; 19. support column; 20. top plate; 21. cylinder; 22. inflation disc; 23. air supply pipe; 24. telescopic tube; 25. connecting sleeve; 26. rubber ring; 27. third electric telescopic rod; 28. clamping frame. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0018] Example 1

[0019] like Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the airflow detection chamber 2 is fixedly connected to the top rear end of the base 1, the rear end of the airflow detection chamber 2 is connected to an air intake connecting pipe 3, a valve 4 is arranged on the air intake connecting pipe 3, an airflow display 5 is installed on the airflow detection chamber 2, the airflow display 5 is electrically connected to the airflow detection chamber 2, an electric control valve for ensuring the safety of gas replacement is arranged in the airflow detection chamber 2, legs 6 are fixedly installed at the four corners of the bottom of the base 1, two support columns 19 are fixedly installed at the top rear end of the base 1, a top plate 20 is fixedly installed at the top of the support column 19, a cylinder 21 is fixedly installed at the front end of the top plate 20, an air filling disk 22 is fixedly connected to the bottom of the cylinder 21, an output end of the airflow detection chamber 2 is connected to an air supply pipe 23, an output end of the air supply pipe 23 passes through the top of the top plate 20 and is connected to a telescopic pipe 24, and the output end of the telescopic pipe 24 is connected to The interior of the inflatable disk 22 is connected, and a connecting sleeve 25 is connected to the bottom of the inflatable disk 22. A rubber ring 26 is installed at the bottom of the connecting sleeve 25. A plurality of third electric telescopic rods 27 are evenly installed axially on the outer wall of the connecting sleeve 25. The telescopic end of the third electric telescopic rod 27 is fixedly installed with a clamping frame 28. Two vertical rods 7 are fixedly installed on the left and right front ends of the base 1. The slider 8 is slidably installed on the outer wall of the vertical rod 7. A fixing stud 9 is screwed on the outer wall of the slider 8. A plurality of limiting screw holes matching the fixing stud 9 are opened on the outer wall of the vertical rod 7. The opposite ends of the two sliders 8 are fixedly connected with a support rod 10. The left and right ends of the fixing ring 11 are respectively fixedly connected to the upper part of the support rod 10. A plurality of electric telescopic rods 12 are evenly installed axially on the fixing ring 11. The telescopic end of the electric telescopic rod 12 is fixedly installed with a clamping plate 13.

[0020] After the gas tank is placed on the top of the base 1, the slider 8 slides on the vertical rod 7, and the fixing ring 11 is driven to move downward through the support rod 10 so that it is located in the middle of the gas tank. The multiple electric telescopic rods 12 are started to push the clamping plates 13 closer to each other to fix the gas tank. The slider 8 slides on the vertical rod 7, and the fixing studs 9 are tightened to enter the limiting screw holes to fix the slider 8. The fixing height can be adjusted according to the gas tank to be filled, which is suitable for gas tanks of different sizes and improves practicality. The cylinder 21 is started to push the inflation disk 22 and the connecting sleeve 25 to move downward, so that the connecting sleeve 25 is connected to the pipeline of the gas tank. The multiple third electric telescopic rods 27 are started to push the card mounting frame 28 closer to each other to fix the gas tank pipeline to ensure the air tightness of the connection. The air tightness of the pipeline connection is further ensured by the rubber ring 26. After the pipeline is fixed, the valve 4 is opened to fill the gas tank, and the electric control valve in the airflow detection chamber 2 automatically closes the valve according to the program established in advance to ensure the safety of gas filling and metering.

[0021] Example 2

[0022] like Figure 2 and Figure 5As shown, on the basis of Example 1, a plurality of telescopic rods 14 are evenly mounted on the clamping plate 13, an arc-shaped contact plate 15 is fixedly mounted on the other end of the telescopic rod 14, a placement groove is opened at a position corresponding to the fixing ring 11 at the front top of the base 1, a positioning frame 16 is fixedly mounted at the top placement groove of the base 1, a plurality of second electric telescopic rods 17 are evenly mounted axially on the positioning frame 16, and a tightening block 18 is fixedly mounted on the telescopic end of the second electric telescopic rod 17;

[0023] A telescopic rod 14 and an arc-shaped contact plate 15 are installed inside the clamping plate 13. The gas tank is fixed by the reaction force of the spring to avoid damage to the outer wall of the gas tank. The gas tank is placed in the placement groove to position the gas tank, and multiple second electric telescopic rods 17 are started to push the tightening blocks 18 closer to each other to clamp the bottom of the gas tank to further ensure stability.

[0024] like Figures 1 to 5 As shown, a high-safety gas filling and metering device of the utility model is provided. When working, the gas tank is placed in the placement groove to position the gas tank, and multiple second electric telescopic rods 17 are started to push the tightening blocks 18 to approach each other to clamp the bottom of the gas tank. After the gas tank is placed on the top of the base 1, the slider 8 slides on the vertical rod 7, and the fixing stud 9 is tightened to enter the limiting screw hole to fix the slider 8. The fixed height can be adjusted according to the gas tank to be filled. The fixing ring 11 is driven downward by the support rod 10 to be located in the middle of the gas tank. The multiple electric telescopic rods 12 are started to push the splints 13 to approach each other to fix and support the gas tank, which is suitable for gas tanks of different diameters. The cylinder 21 is started to push the inflation disk 22 and the connecting sleeve 25 to move downward, so that the connecting sleeve 25 is connected to the pipeline of the gas tank, and multiple third electric telescopic rods 27 are started to push the clamping frame 28 to approach each other to fix the gas tank pipeline to ensure the air tightness of the connection. After the pipeline is fixed, the valve 4 is opened to fill the gas tank.

[0025] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A high-safety gas filling and metering device, characterized in that: The invention comprises a base (1) and an airflow detection chamber (2), wherein the airflow detection chamber (2) is fixedly connected to the top rear end of the base (1), the rear end of the airflow detection chamber (2) is connected to an air intake connecting pipe (3), a valve (4) is arranged on the air intake connecting pipe (3), an airflow display (5) is installed on the airflow detection chamber (2), the airflow display (5) is electrically connected to the airflow detection chamber (2), an electric control valve for ensuring the safety of gas replacement is arranged in the airflow detection chamber (2), supporting legs (6) are fixedly installed at the four corners of the bottom of the base (1), a height adjustment mechanism is installed at the top front end of the base (1), and a fixing component is installed on the height adjustment mechanism, and two support columns (19) are fixedly installed at the top rear end of the base (1), a top plate (20) is fixedly installed at the top end of the support column (19), and a pipeline fixing component is installed on the top plate (20).

2. A filling and metering device for high-safety gas according to claim 1, characterized in that: The height adjustment mechanism comprises two vertical rods (7), two sliding blocks (8), two fixing studs (9) and two supporting rods (10). The two vertical rods (7) are fixedly mounted on the left and right front ends of the base (1). The sliding blocks (8) are slidably mounted on the outer walls of the vertical rods (7). The fixing studs (9) are screwed on the outer walls of the sliding blocks (8). The outer walls of the vertical rods (7) are provided with a plurality of limiting screw holes matching the fixing studs (9). The opposite ends of the two sliding blocks (8) are fixedly connected with the supporting rods (10).

3. A filling and metering device for high-safety gas according to claim 2, characterized in that: The fixing assembly comprises a fixing ring (11), a plurality of electric telescopic rods (12), a plurality of clamping plates (13), a plurality of groups of telescopic rods (14) and a plurality of arc-shaped contact plates (15); the left and right ends of the fixing ring (11) are respectively fixedly connected to the upper part of the support rod (10); the fixing ring (11) is axially and evenly mounted with a plurality of electric telescopic rods (12); and the clamping plates (13) are fixedly mounted on the telescopic ends of the electric telescopic rods (12).

4. A filling and metering device for high-safety gas according to claim 1, characterized in that: A placement groove is provided at a position corresponding to the fixing ring (11) at the top front portion of the base (1); a positioning frame (16) is fixedly mounted at the placement groove at the top of the base (1); a plurality of second electric telescopic rods (17) are evenly mounted axially on the positioning frame (16); and a tightening block (18) is fixedly mounted at the telescopic end of the second electric telescopic rod (17).

5. A filling and metering device for high-safety gas as claimed in claim 3, characterized in that: A plurality of telescopic rods (14) are evenly mounted on the clamping plate (13), and an arc-shaped contact plate (15) is fixedly mounted on the other end of the telescopic rod (14).

6. A filling and metering device for high-safety gas according to claim 1, characterized in that: The pipeline fixing assembly comprises a cylinder (21), an air filling plate (22), an air delivery pipe (23), a telescopic pipe (24), a connecting sleeve (25), a rubber ring (26), a plurality of third electric telescopic rods (27) and a plurality of clamping frames (28). The cylinder (21) is fixedly mounted on the front end of a top plate (20). The bottom of the cylinder (21) is fixedly connected to the air filling plate (22). The output end of the air flow detection chamber (2) is connected to the air delivery pipe (23). The output end of the air delivery pipe (23) passes through the top of the top plate (20) and is connected to the telescopic pipe (24). The output end of the telescopic pipe (24) is connected to the inside of the air filling plate (22). The bottom of the air filling plate (22) is connected to the connecting sleeve (25). The bottom of the connecting sleeve (25) is installed with a rubber ring (26). A plurality of third electric telescopic rods (27) are evenly mounted axially on the outer wall of the connecting sleeve (25). The telescopic ends of the third electric telescopic rods (27) are fixedly installed with a clamping frame (28).

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