Hydrogen supply device of hydrogen fuel cell

Abstract

The invention discloses a hydrogen fuel cell hydrogen supply device, and relates to the technical field of fuel cell oxygen supply, the hydrogen fuel cell hydrogen supply device comprises an oxygen supply tank body, a base is arranged below the oxygen supply tank body, two hollow supports are arranged at the lower end of the base, a mounting cavity is arranged in the base, and a moving mechanism extending into the hollow supports is arranged in the mounting cavity. A mounting groove is formed in the upper end of the base, two moving seats are arranged in the mounting groove, adjusting mechanisms connected with the moving seats are arranged in the mounting groove, and fixing mechanisms connected with an oxygen supply tank body are arranged at the upper ends of the two moving seats. The fixing requirements of oxygen supply tank bodies with different lengths and diameters can be met, the applicability is higher, vibration can be buffered, and the oxygen supply tank bodies can be effectively protected.

Description

Technical Field

[0001] The present invention relates to the technical field of fuel cell oxygen supply, and in particular to a hydrogen supply device for a hydrogen fuel cell. Background Art

[0002] A fuel cell is a chemical device that converts the chemical energy of a fuel directly into electrical energy. It is also called an electrochemical generator. For example, a hydrogen fuel cell is the fourth power generation technology after hydropower, thermal power generation and atomic power generation. Liquid hydrogen fuel cells require a hydrogen supply device for energy supply. There are many types of hydrogen supply devices, one of which is composed of a frame and a tank.

[0003] The patent with publication number CN221324153U and name "A hydrogen supply device for a hydrogen fuel cell", a hydrogen supply device for a hydrogen fuel cell, specifically includes: a placement seat; a hydrogen supply part is placed on the placement seat, further, the hydrogen supply part is composed of a tank body, a valve, a locking bolt, a connecting pipe, an auxiliary groove and a protrusion, the tank body is placed on the placement seat, a valve is installed on the tank body, a locking bolt is threadedly connected to the adjustment rod of the valve, and the lower end of the locking bolt is in contact with the main part of the valve. When fixing the oxygen supply tank body in this patent, there is a lack of overall adjustment function, which makes it inconvenient to fix oxygen supply tank bodies of different lengths and diameters, and the adaptability is poor, and it does not have the function of buffering and shock absorption, and the protection of the oxygen supply tank body is not good enough. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a hydrogen supply device for a hydrogen fuel cell.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A hydrogen supply device for a hydrogen fuel cell comprises an oxygen supply tank body, a base is provided below the oxygen supply tank body, two hollow supports are provided at the lower end of the base, a mounting cavity is provided inside the base, a movable mechanism extending to the inside of the hollow support is provided inside the mounting cavity, a mounting groove is provided at the upper end of the base, two movable seats are provided inside the mounting groove, an adjustment mechanism connected to the movable seats is provided inside the mounting groove, and a fixing mechanism connected to the oxygen supply tank body is provided at the upper ends of the two movable seats.

[0007] As a further improvement of the present invention, the moving mechanism includes a rotating shaft arranged inside the installation cavity, one end of the rotating shaft is rotatably connected to the inner wall of the installation cavity, and the other end of the rotating shaft is fixedly connected to a first rotating rod, the first rotating rod passes through the inner wall of the installation cavity and is rotatably connected to the inner wall of the installation cavity, two second bevel gears are fixedly sleeved on the rotating shaft, threaded sleeves are provided inside the two hollow supports, moving wheels are installed at the lower ends of the two threaded sleeves, second threaded rods are threadedly inserted at the upper ends of the two threaded sleeves, the upper ends of the two second threaded rods pass through the interior of the installation cavity and are fixedly connected to the first bevel gear, and the two first bevel gears are meshed with the two second bevel gears.

[0008] As a further improvement of the present invention, the adjustment mechanism includes a third threaded rod arranged inside the mounting groove, the thread on the surface of the third threaded rod is bidirectional, the two movable seats are respectively threadedly sleeved on the two ends of the third threaded rod, one end of the third threaded rod is rotatably connected to the inner wall of the mounting groove, and the other end of the third threaded rod is fixedly connected to a second rotating rod, the second rotating rod passes through the inner wall of the mounting groove and is rotatably connected to the inner wall of the mounting groove.

[0009] As a further improvement of the present invention, the fixing mechanism includes a first clamping seat and a second clamping seat, the second clamping seat and the first clamping seat are respectively located on the upper and lower sides of the oxygen supply tank body, the first clamping seat is hinged to the second clamping seat, a connecting block is fixedly connected to the side wall of the second clamping seat, a connecting groove matching the connecting block is provided on the side wall of the first clamping seat, a placement groove is provided on the side wall of the connecting block, a clamping structure is provided inside the placement groove, a fixing structure is provided at the upper end of the second clamping seat, two movable grooves are provided at the upper end of the movable seat, movable blocks are provided inside the two movable grooves, four third springs are fixedly connected to the side wall of the movable block, the four third springs are arranged at equal intervals along the circumference of the movable block, a second damper is provided inside each of the third springs, the second damper is installed on the side wall of the movable block, the upper end of the movable block is fixedly connected to the first damper, and the first damper is mounted with the first spring.

[0010] As a further improvement of the present invention, the fixing structure includes a first threaded rod penetrating the upper end of the second clamp seat, the lower end of the first threaded rod is rotatably connected to a clamp plate, and the upper end of the first threaded rod is fixedly connected to a first handle.

[0011] As a further improvement of the present invention, the clamping structure includes two clamping blocks arranged inside the placement groove, a second spring is fixedly connected between the two clamping blocks, and clamping grooves cooperating with the clamping blocks are provided on the two opposite inner walls of the connecting groove, and one end of the two clamping blocks away from the second spring passes through the inner wall of the placement groove and extends to the interior of the clamping slot.

[0012] As a further improvement of the present invention, a rubber buffer pad is fixedly connected to the lower end of the hollow support.

[0013] As a further improvement of the present invention, the outlet of the oxygen supply tank is connected to a valve, the valve is provided with a valve stem, a locking bolt passes through the valve stem, and the locking bolt is threadedly connected to the valve stem.

[0014] Beneficial effects of the present invention:

[0015] By setting up an adjustment mechanism, the two moving seats can be driven to move synchronously through the adjustment mechanism, and then the distance between the two moving seats can be adjusted, which can meet the fixing needs of oxygen supply tanks of different lengths and has higher applicability.

[0016] By providing a first clamping seat, a second clamping seat, a clamping structure and a fixing structure, the first clamping seat and the second clamping seat are clamped on the outside of the oxygen supply tank body, and the clamping structure is used to achieve a fixed connection between the first clamping seat and the second clamping seat, so that the disassembly, assembly and fixing of the oxygen supply tank body are more convenient, and the operation process is convenient and quick. The oxygen supply tank body is fixed by the fixing structure, which can adapt to oxygen supply tank bodies of different diameters and thicknesses, and has higher applicability.

[0017] By arranging the first damper, the first spring, the movable groove, the movable block, and the third spring, the first spring is used in combination with the first damper to buffer the vertical vibration, and the third spring is used in combination with the second damper to buffer the lateral vibration, thereby effectively protecting the oxygen supply tank.

[0018] By setting a moving mechanism, the threaded sleeve rod can be driven to move downward, and the device can be moved by using moving wheels to support the ground, which is convenient for moving or transferring the device.

[0019] The present invention can meet the fixing requirements of oxygen supply tanks with different lengths and diameters, has higher applicability, can buffer vibrations, and can effectively protect the oxygen supply tanks. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a hydrogen fuel cell hydrogen supply device proposed by the present invention;

[0021] Figure 2 This is a structural schematic diagram of a base, a moving mechanism, and an adjusting mechanism of a hydrogen fuel cell hydrogen supply device proposed by the present invention;

[0022] Figure 3 This is a structural schematic diagram of a first clamping seat, a second clamping seat, a clamping plate, a first threaded rod, and a first handle of a hydrogen fuel cell hydrogen supply device proposed by the present invention;

[0023] Figure 4 for Figure 1Enlarged view of point A in the middle;

[0024] Figure 5 This is a structural schematic diagram of a movable seat and a movable block of a hydrogen fuel cell hydrogen supply device proposed by the present invention;

[0025] Figure 6 This is a structural schematic diagram of a movable block and a third spring of a hydrogen supply device for a hydrogen fuel cell proposed by the present invention.

[0026] In the figure: 1 base, 2 hollow support, 3 rubber buffer pad, 4 moving seat, 5 movable block, 6 first damper, 7 first spring, 8 first clamp seat, 9 oxygen supply tank, 10 second clamp seat, 11 first threaded rod, 12 first handle, 13 valve, 14 valve stem, 15 locking bolt, 16 moving wheel, 17 threaded sleeve rod, 18 second threaded rod, 19 first bevel gear, 20 second bevel gear, 21 rotating shaft, 22 mounting cavity, 23 first rotating rod, 24 mounting groove, 25 third threaded rod, 26 guide rod, 27 second rotating rod, 28 clamp plate, 29 connecting groove, 30 clamping groove, 31 clamping block, 32 connecting block, 33 placement groove, 34 second spring, 35 movable groove, 36 third spring, 37 second damper. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] Reference Figure 1-Figure 6 A hydrogen supply device for a hydrogen fuel cell comprises an oxygen supply tank body 9, the outlet of the oxygen supply tank body 9 is connected with a valve 13, the valve 13 is provided with a valve stem 14, the valve stem 14 is penetrated with a locking bolt 15, the locking bolt 15 is threadedly connected with the valve stem 14, a base 1 is provided below the oxygen supply tank body 9, two hollow supports 2 are provided at the lower end of the base 1, a rubber buffer pad 3 is fixedly connected to the lower end of the hollow support 2, an installation cavity 22 is provided inside the base 1, a moving mechanism extending to the inside of the hollow support 2 is provided inside the installation cavity 22, an installation groove 24 is provided at the upper end of the base 1, two moving seats 4 are provided inside the installation groove 24, an adjustment mechanism connected to the moving seat 4 is provided inside the installation groove 24, and a fixing mechanism connected to the oxygen supply tank body 9 is provided at the upper ends of the two moving seats 4.

[0029] In the present invention, the moving mechanism includes a rotating shaft 21 arranged inside the installation cavity 22, one end of the rotating shaft 21 is rotatably connected to the inner wall of the installation cavity 22, the other end of the rotating shaft 21 is fixedly connected to a first rotating rod 23, the first rotating rod 23 penetrates the inner wall of the installation cavity 22 and is rotatably connected to the inner wall of the installation cavity 22, two second bevel gears 20 are fixedly sleeved on the rotating shaft 21, the interiors of the two hollow supports 2 are each provided with a threaded sleeve 17, the lower ends of the two threaded sleeves 17 are each provided with a moving wheel 16, and the two threaded sleeves 17 are The upper ends are both threadedly inserted with a second threaded rod 18, the upper ends of the two second threaded rods 18 pass through the interior of the mounting cavity 22 and are fixedly connected with a first bevel gear 19, the two first bevel gears 19 are meshed with the two second bevel gears 20, and the rotating shaft 21 is driven to rotate through the first rotating rod 23. Since the first bevel gear 19 is meshed with the second bevel gear 20, the second threaded rod 18 can be driven to rotate, and then the threaded sleeve rod 17 is driven to move downward. The device can be moved by using the moving wheel 16 to support the ground, which is convenient for the device to be moved or transferred.

[0030] The adjusting mechanism includes a third threaded rod 25 arranged inside the mounting groove 24. The thread on the surface of the third threaded rod 25 is bidirectional. The two movable seats 4 are respectively threadedly sleeved on the two ends of the third threaded rod 25. One end of the third threaded rod 25 is rotatably connected to the inner wall of the mounting groove 24. The other end of the third threaded rod 25 is fixedly connected to a second rotating rod 27. The second rotating rod 27 penetrates the inner wall of the mounting groove 24 and is rotatably connected to the inner wall of the mounting groove 24. The third threaded rod 25 is driven to rotate by the second rotating rod 27, which can drive the two movable seats 4 to move synchronously, and then the distance between the two movable seats 4 can be adjusted, which can meet the fixing needs of oxygen supply tanks 9 of different lengths and has higher applicability.

[0031] The fixing mechanism includes a first clamping seat 8 and a second clamping seat 10. The second clamping seat 10 and the first clamping seat 8 are respectively located on the upper and lower sides of the oxygen supply tank body 9. The first clamping seat 8 is hinged to the second clamping seat 10. A connecting block 32 is fixedly connected to the side wall of the second clamping seat 10. A connecting groove 29 matching the connecting block 32 is provided on the side wall of the first clamping seat 8. A placement groove 33 is provided on the side wall of the connecting block 32. A clamping structure is provided inside the placement groove 33. The upper end of the second clamping seat 10 is provided with a fixing structure. The fixing structure includes a first threaded rod 11 that runs through the upper end of the second clamping seat 10. The first The lower end of the threaded rod 11 is rotatably connected to a clamping plate 28, the upper end of the first threaded rod 11 is fixedly connected to a first handle 12, the upper end of the movable seat 4 is provided with two movable grooves 35, the inside of the two movable grooves 35 are provided with movable blocks 5, the side walls of the movable blocks 5 are fixedly connected with four third springs 36, the four third springs 36 are arranged at equal intervals along the circumference of the movable blocks 5, and the inside of each third spring 36 is provided with a second damper 37, and the third springs 36 cooperate with the second damper 37 to buffer lateral vibrations, thereby effectively protecting the oxygen supply tank 9. The second damper 37 is installed on the side wall of the movable block 5, the upper end of the movable block 5 is fixedly connected to a first damper 6, and the first damper 6 is sleeved with a first spring 7, and the first spring 7 cooperates with the first damper 6 to buffer vertical vibrations.

[0032] The clamping structure includes two clamping blocks 31 arranged inside the placement groove 33, and a second spring 34 is fixedly connected between the two clamping blocks 31. The two opposite inner walls of the connecting groove 29 are provided with clamping grooves 30 cooperating with the clamping blocks 31. The ends of the two clamping blocks 31 away from the second spring 34 pass through the inner wall of the placement groove 33 and extend to the inside of the clamping groove 30. When it is necessary to move the connecting block 32 out of the connecting groove 29, it is only necessary to pinch the two clamping blocks 31 to move the two clamping blocks 31 out of the clamping groove 30, and then the connecting block 32 can be moved out of the connecting groove 29, so as to realize the separation of the second clamping seat 10 and the first clamping seat 8, so as to facilitate the removal of the oxygen supply tank body 9.

[0033] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hydrogen supply device for a hydrogen fuel cell, comprising an oxygen supply tank (9), characterized in that: A base (1) is provided below the oxygen supply tank body (9), two hollow supports (2) are provided at the lower end of the base (1), a mounting cavity (22) is provided inside the base (1), a moving mechanism extending to the inside of the hollow support (2) is provided inside the mounting cavity (22), a mounting groove (24) is provided at the upper end of the base (1), two moving seats (4) are provided inside the mounting groove (24), an adjusting mechanism connected to the moving seats (4) is provided inside the mounting groove (24), and a fixing mechanism connected to the oxygen supply tank body (9) is provided at the upper ends of the two moving seats (4).

2. A hydrogen fuel cell hydrogen supply device according to claim 1, characterized in that: The moving mechanism comprises a rotating shaft (21) arranged inside the mounting cavity (22), one end of the rotating shaft (21) is rotatably connected to the inner wall of the mounting cavity (22), the other end of the rotating shaft (21) is fixedly connected to a first rotating rod (23), the first rotating rod (23) passes through the inner wall of the mounting cavity (22) and is rotatably connected to the inner wall of the mounting cavity (22), two second bevel gears (20) are fixedly sleeved on the rotating shaft (21), the interior of the two hollow supports (2) are each provided with a threaded sleeve rod (17), the lower ends of the two threaded sleeve rods (17) are each provided with a moving wheel (16), the upper ends of the two threaded sleeve rods (17) are threadedly plugged with a second threaded rod (18), the upper ends of the two second threaded rods (18) pass through the interior of the mounting cavity (22) and are fixedly connected to the first bevel gear (19), and the two first bevel gears (19) are meshed with the two second bevel gears (20).

3. A hydrogen fuel cell hydrogen supply device according to claim 1, characterized in that: The adjustment mechanism comprises a third threaded rod (25) arranged inside the mounting groove (24); the thread on the surface of the third threaded rod (25) is bidirectional; the two movable seats (4) are respectively threadedly sleeved on the two ends of the third threaded rod (25); one end of the third threaded rod (25) is rotatably connected to the inner wall of the mounting groove (24); the other end of the third threaded rod (25) is fixedly connected to a second rotating rod (27); the second rotating rod (27) passes through the inner wall of the mounting groove (24) and is rotatably connected to the inner wall of the mounting groove (24).

4. A hydrogen fuel cell hydrogen supply device according to claim 1, characterized in that: The fixing mechanism comprises a first clamping seat (8) and a second clamping seat (10). The second clamping seat (10) and the first clamping seat (8) are respectively located on the upper and lower sides of the oxygen supply tank body (9). The first clamping seat (8) is hinged to the second clamping seat (10). A connecting block (32) is fixedly connected to the side wall of the second clamping seat (10). A connecting groove (29) matching with the connecting block (32) is provided on the side wall of the first clamping seat (8). A placement groove (33) is provided on the side wall of the connecting block (32). A clamping structure is provided inside the placement groove (33). The upper end of the second clamping seat (10) is provided with a fixing structure. The upper end of the movable seat (4) is provided with two movable grooves (35), and movable blocks (5) are provided inside the two movable grooves (35). Four third springs (36) are fixedly connected to the side walls of the movable blocks (5). The four third springs (36) are arranged at equal intervals along the circumference of the movable blocks (5). A second damper (37) is provided inside each of the third springs (36), and the second damper (37) is installed on the side wall of the movable block (5). The upper end of the movable block (5) is fixedly connected with a first damper (6), and the first damper (6) is sleeved with a first spring (7).

5. A hydrogen supply device for a hydrogen fuel cell according to claim 4, characterized in that: The fixing structure comprises a first threaded rod (11) penetrating the upper end of the second clamping seat (10), the lower end of the first threaded rod (11) being rotatably connected to a clamping plate (28), and the upper end of the first threaded rod (11) being fixedly connected to a first handle (12).

6. A hydrogen fuel cell hydrogen supply device according to claim 4, characterized in that: The clamping structure comprises two clamping blocks (31) arranged inside the placement groove (33), a second spring (34) being fixedly connected between the two clamping blocks (31), two opposite inner walls of the connection groove (29) being provided with clamping grooves (30) cooperating with the clamping blocks (31), and one end of the two clamping blocks (31) away from the second spring (34) passing through the inner wall of the placement groove (33) and extending to the inside of the clamping groove (30).

7. A hydrogen fuel cell hydrogen supply device according to claim 1, characterized in that: A rubber buffer pad (3) is fixedly connected to the lower end of the hollow support (2).

8. A hydrogen fuel cell hydrogen supply device according to claim 1, characterized in that: The outlet of the oxygen supply tank (9) is connected to a valve (13), and a valve stem (14) is provided on the valve (13). A locking bolt (15) is passed through the valve stem (14), and the locking bolt (15) is threadedly connected to the valve stem (14).

Images