Low-temperature liquid oxygen storage tank with high sealing performance

Abstract

The invention relates to the technical field of low-temperature liquid oxygen storage tanks, in particular to a high-leakproofness low-temperature liquid oxygen storage tank which comprises a storage tank body, an outlet is formed in the bottom of the storage tank body, a pipeline is arranged at the end of the outlet, a connecting pipe is arranged at the end of the pipeline, a valve is arranged in the connecting pipe, and a first sliding block is arranged on the surface of the pipeline. An L-shaped plate is arranged on the surface of the first sliding block, a rack is arranged at the end of the L-shaped plate, a rotating ring is arranged on the surface of the pipeline, a rotating shaft is fixed to the bottom of the rotating ring, a rack is arranged on the surface of the rotating shaft, and an extending block is fixed to the surface of the pipeline. The device has the beneficial effects that a second magnet drives a second sliding block to move, so that a jacking plate is jacked on the surface of a ball, a moving rod and a rubber ring move, the rubber ring is jacked at a gap between a valve and a connecting pipe, and a first extension ring and a second extension ring are arranged on the surface of the rubber ring; the first extension ring and the second extension ring abut against the surface and the gap of the valve, and the sealing performance of the valve is further enhanced.

Description

Technical Field

[0001] The present invention relates to the technical field of cryogenic liquid oxygen storage tanks, and in particular to a cryogenic liquid oxygen storage tank with high sealing performance. Background Art

[0002] Liquid oxygen is the liquid state of oxygen. Due to its low temperature characteristics, liquid oxygen will make the substances it contacts very brittle. Liquid oxygen is also a very strong oxidant: organic matter burns violently in liquid oxygen. Liquid oxygen is non-flammable, but it can strongly support combustion.

[0003] In the prior art, the patent number is CN216280639U, and its name is a low-temperature liquid oxygen storage tank pipeline safety protection device, which relates to the technical field of low-temperature liquid oxygen storage tank pipelines, including a storage tank device, a pipeline device and a protection device. One end of the pipeline device is fixedly connected to one end of the storage tank device, and the other end of the pipeline device is movably connected to one end of the protection device. By arranging a fire-retardant outer shell, a fire-retardant inner shell and a fire-retardant filter, when combustion occurs inside the fire-retardant inner shell, the fire-retardant outer shell, the fire-retardant inner shell and the fire-retardant filter are used to continuously isolate the fire source, thereby extinguishing the fire source, improving the fire resistance and safety of the pipeline device, and the buffer spring has shock-absorbing performance, thereby avoiding leakage of low-temperature liquid oxygen during transportation. The metal elbow is made of softer aluminum material. If the tank truck leaves without removing the metal hose, the metal elbow will be torn, while the valve with a harder material will not be torn and damaged, thereby avoiding damage to the pipeline device and leakage of liquid oxygen in the storage tank device.

[0004] However, existing cryogenic liquid oxygen storage tanks are provided with valves, which are prone to leakage, and existing leakage detection equipment is expensive, resulting in excessively high costs. Summary of the Invention

[0005] The object of the present invention is to provide a cryogenic liquid oxygen storage tank with high sealing performance to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cryogenic liquid oxygen storage tank with high sealing performance, comprising:

[0007] A storage tank, an outlet is provided at the bottom of the storage tank, a pipe is provided at the end of the outlet, a connecting pipe is provided at the end of the pipe, a valve is provided inside the connecting pipe, a first slider is provided on the surface of the pipe, an L-shaped plate is provided on the surface of the first slider, a rack is provided at the end of the L-shaped plate, a rotating ring is provided on the surface of the pipe, a rotating shaft is fixed at the bottom of the rotating ring, a rack is provided on the surface of the rotating shaft, and an extension block is fixed on the surface of the pipe;

[0008] The rotating ring is provided with a rubber ring on its surface, a first extension ring and a second extension ring are fixed on the surface of the rubber ring, and a moving rod is connected to the surface of the rubber ring.

[0009] Preferably, the outlet is fixed at the bottom of the storage tank, the pipeline is fixed to the end of the outlet by a screw, the connecting pipe is fixed to the end of the pipeline by a screw, a motor is fixed on the surface of the connecting pipe, the rotating shaft of the motor is connected to the valve, the motor can drive the valve to rotate, a through hole is provided on the surface of the valve, an extension block is fixed on the surface of the pipeline, a rotating shaft is inserted in the extension block, the rotating shaft can rotate in the extension block, a rack is provided on the surface of the rotating shaft, and the rotating ring can drive the rotating shaft to rotate.

[0010] Preferably, a top holding plate is fixed to the end of the L-shaped plate, and the top holding plate moves with the L-shaped plate, and the top holding plate can be supported on the surface of the rotating shaft, and a protrusion is provided on the surface of the top holding plate, and the protrusion can be inserted into the rack. A first slot is provided on the surface of the pipe, and the first slider is located in the first slot, and the first slider can move in the first slot. A cross bar is fixed in the first slot, and the cross bar is inserted into the inside of the first slider, and the first slider can move on the surface of the cross bar. A first spring is provided on the outside of the cross bar, one end of the first spring is connected to the surface of the first slider, and the other end is connected to the inner wall of the first slot. The first spring has a thrust on the first slider, so that the first slider drives the L-shaped plate and the top holding plate close to the surface of the rotating shaft.

[0011] Preferably, a third chute and a second chute are provided inside the pipe, a second slider is provided in the second chute, two groups of second sliders are provided, the other group of second sliders is located in the third chute, the second slider can move in the second chute and the third chute, an arc-shaped plate is fixed between the two groups of second sliders, the arc-shaped plate moves with the second slider, a first magnet is fixed to the bottom of the first slider, and a second magnet is fixed to the surface of the second slider, the first magnet can adsorb the second magnet, so that the second slider moves with the first slider.

[0012] Preferably, a first baffle is fixed to the end of the arc plate, and the first baffle moves with the arc plate, and a second baffle is fixed to the other end of the arc plate, and the second baffle moves with the arc plate, and a notch is provided on the surface of the second baffle, and a rotating ring is fixed to the surface of the rotating shaft, and the rotating ring can rotate with the rotating shaft, and a ring groove is provided on the surface of the rotating ring, and a moving rod is inserted in the ring groove, and the moving rod can move inside the rotating ring, and a ball is fixed to the end of the moving rod, and the ball moves with the moving rod, and a top holding plate is fixed to the surface of the second slider, and the top holding plate is supported on the surface of the ball after the second slider moves.

[0013] Preferably, a second spring is provided on the surface of the movable rod, and the second spring is located in the annular groove. A rubber ring is fixed to the other end of the movable rod, and the rubber ring is located in the annular groove. One end of the second spring is connected to the rubber ring, and the second spring exerts a pulling force on the rubber ring so that the rubber ring is located inside the annular groove. A first extension ring and a second extension ring are fixed on the surface of the rubber ring, and the first extension ring and the second extension ring move with the rubber ring. When the rubber ring is located in the annular groove, the first extension ring and the second extension ring are also located in the annular groove.

[0014] Preferably, when the second baffle moves with the arc plate, the moving rod is inserted into the notch on the surface of the second baffle, and the surface of the second baffle is provided with multiple groups of notches, and the multiple groups of moving rods on the surface of the rotating ring can be inserted into the notch.

[0015] Preferably, the rotating ring moves under the push of the holding plate as the rotating shaft rotates, so that the rubber ring moves out of the ring groove, and the rubber ring is held in the gap between the valve and the connecting pipe, and the first extension ring and the second extension ring are respectively held on the surface and gap of the valve.

[0016] Preferably, when the through hole and the connecting pipe are in a horizontal state, the valve is in an open state, and when the through hole is in a vertical state, the valve is in a closed state.

[0017] Preferably, the outlet is communicated with the interior of the storage tank, and a sealing ring is provided at the connection between the outlet, the pipeline and the connecting pipe.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention proposes that when the valve is closed, the rotating ring is rotated, the rotating ring drives the rotating shaft to rotate, the rotating shaft drives the rotating ring to rotate, the ring groove faces the direction of the valve, the first spring pushes the first slider, the first slider drives the L-shaped plate to move, the L-shaped plate drives the top holding plate to be held on the surface of the rotating shaft, the surface of the rotating shaft is provided with a rack, the surface of the top holding plate is stuck in the rack, the angle of the rotating shaft is stabilized, and the bottom of the first slider is provided with a first magnet, the first magnet drives the second magnet to move by magnetic force, the second magnet drives the second slider to move, so that the top holding plate is held on the surface of the sphere, so that the moving rod and the rubber ring move, the rubber ring is held at the gap between the valve and the connecting pipe, and the surface of the rubber ring is provided with a first extension ring and a second extension ring, the first extension ring and the second extension ring are held on the surface and gap of the valve, further enhancing the sealing of the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 This is a structural schematic diagram from another perspective of the present invention.

[0022] Figure 3 This is a schematic diagram of the connecting pipe structure of the present invention.

[0023] Figure 4 for Figure 3 A magnified schematic diagram of the structure in the middle.

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the connecting pipe of the present invention.

[0025] Figure 6 for Figure 5 Enlarged schematic diagram of the structure at point B in the middle.

[0026] Figure 7 This is a structural schematic diagram of the connecting pipe cross section from another perspective of the present invention.

[0027] Figure 8 This is a schematic diagram of the cross-sectional top view of the connecting pipe of the present invention.

[0028] Figure 9 for Figure 7 Enlarged schematic diagram of the structure at point C in the middle.

[0029] Figure 10 for Figure 8 Enlarged schematic diagram of the structure at point D in the middle.

[0030] In the figure: storage tank 1, connecting pipe 2, motor 3, rotating ring 4, rack 5, L-shaped plate 6, first slot 7, cross bar 8, first spring 9, first slider 10, holding plate 11, valve 12, first magnet 13, second magnet 14, second slider 15, second slide 16, arc plate 17, first baffle 18, rotating ring 19, rotating shaft 20, ball 21, moving rod 22, ring groove 23, notch 24, second spring 25, holding plate 26, first extension ring 27, rubber ring 28, second extension ring 29, outlet 30, pipe 31, extension block 32, through hole 33, third slide 34, second baffle 35. DETAILED DESCRIPTION

[0031] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figures 1 to 10 , the present invention provides a technical solution:

[0033] Example 1: A cryogenic liquid oxygen storage tank with high sealing performance, comprising: a storage tank 1, an outlet 30 is provided at the bottom of the storage tank 1, a pipe 31 is provided at the end of the outlet 30, a connecting pipe 2 is provided at the end of the pipe 31, a valve 12 is provided inside the connecting pipe 2, a first slider 10 is provided on the surface of the pipe 31, an L-shaped plate 6 is provided on the surface of the first slider 10, a rack 5 is provided at the end of the L-shaped plate 6, a rotating ring 4 is provided on the surface of the pipe 31, a rotating shaft 20 is fixed to the bottom of the rotating ring 4, a rack 5 is provided on the surface of the rotating shaft 20, an extension block 32 is fixed to the surface of the pipe 31; a rotating ring 19, a rotating ring 1 9 is provided with a rubber ring 28, and a first extension ring 27 and a second extension ring 29 are fixed on the surface of the rubber ring 28. The surface of the rubber ring 28 is connected to the moving rod 22. The second magnet 14 drives the second slider 15 to move, so that the holding plate 26 is held on the surface of the ball 21, so that the moving rod 22 and the rubber ring 28 move. The rubber ring 28 is held at the gap between the valve 12 and the connecting pipe 2, and the surface of the rubber ring 28 is provided with a first extension ring 27 and a second extension ring 29. The first extension ring 27 and the second extension ring 29 are held on the surface and gap of the valve 12, further enhancing the sealing of the valve 12.

[0034] Example 2: On the basis of Example 1, the outlet 30 is fixed to the bottom of the storage tank 1, the pipe 31 is fixed to the end of the outlet 30 by a screw, the connecting pipe 2 is fixed to the end of the pipe 31 by a screw, the surface of the connecting pipe 2 is fixed with a motor 3, the rotating shaft of the motor 3 is connected to the valve 12, the motor 3 can drive the valve 12 to rotate, the surface of the valve 12 is provided with a through hole 33, the surface of the pipe 31 is fixed with an extension block 32, the extension block 32 is plugged with a rotating shaft 20, the rotating shaft 20 can rotate in the extension block 32, the surface of the rotating shaft 20 is provided with a rack 5, the rotating ring 4 can drive the rotating shaft 20 to rotate, the through hole When 33 is horizontal with the connecting pipe 2, the valve 12 is in an open state. When the through hole 33 is in a vertical state, the valve 12 is in a closed state. The outlet 30 is connected to the interior of the storage tank 1, and a sealing ring is provided at the connection between the outlet 30, the pipe 31 and the connecting pipe 2. When the valve 12 is opened, the rotating ring 19 swings along the rotating shaft 20, so that the rotating ring 19 is laterally located inside the pipe 31, and the second spring 25 pulls the rubber ring 28, so that the rubber ring 28, the first extension ring 27 and the second extension ring 29 are located inside the annular groove 23, and the first magnet 13 attracts the second magnet 14 to drive the arc plate 17 to move.

[0035] A top holding plate 11 is fixed to the end of the L-shaped plate 6. The top holding plate 11 moves with the L-shaped plate 6. The top holding plate 11 can be supported on the surface of the rotating shaft 20, and a protrusion is provided on the surface of the top holding plate 11. The protrusion can be inserted into the rack 5. A first slot 7 is provided on the surface of the pipe 31. The first slider 10 is located in the first slot 7. The first slider 10 can move in the first slot 7. A cross bar 8 is fixed in the first slot 7. The cross bar 8 is inserted into the inside of the first slider 10. The first slider 10 can move on the surface of the cross bar 8. A first spring 9 is provided on the outside of the cross bar 8. One end of the first spring 9 is connected to Then the surface of the first slider 10 is connected to the inner wall of the first slot 7 at the other end. The first spring 9 has a thrust on the first slider 10, so that the first slider 10 drives the L-shaped plate 6 and the top holding plate 11 to approach the surface of the rotating shaft 20. The rotating shaft 20 drives the rotating ring 19 to rotate, and the annular groove 23 faces the direction of the valve 12. The first spring 9 pushes the first slider 10, and the first slider 10 drives the L-shaped plate 6 to move. The L-shaped plate 6 drives the top holding plate 11 to be held on the surface of the rotating shaft 20. A rack 5 is provided on the surface of the rotating shaft 20, and the surface of the top holding plate 11 is stuck in the rack 5 to stabilize the angle of the rotating shaft 20.

[0036] The interior of the pipe 31 is provided with a third chute 34 and a second chute 16, and a second slider 15 is provided in the second chute 16. The second slider 15 is provided with two groups, and the other group of second sliders 15 is located in the third chute 34. The second slider 15 can move in the second chute 16 and the third chute 34. An arc plate 17 is fixed between the two groups of second sliders 15, and the arc plate 17 moves with the second slider 15. The bottom of the first slider 10 is fixed with a first magnet 13, and the surface of the second slider 15 is fixed with a second magnet 14. The first magnet 13 can repair and adsorb the second magnet 14, so that the second slider 15 moves with the first slider 10. The end of the arc plate 17 is fixed with a first baffle 18, and the first baffle 18 moves with the arc The curved plate 17 moves, and a second baffle 35 is fixed to the other end of the curved plate 17. The second baffle 35 moves with the curved plate 17. A notch 24 is provided on the surface of the second baffle 35. The rotating ring 19 is fixed to the surface of the rotating shaft 20. The rotating ring 19 can rotate with the rotating shaft 20. A ring groove 23 is provided on the surface of the rotating ring 19. A moving rod 22 is inserted into the ring groove 23. The moving rod 22 can move inside the rotating ring 19. A ball 21 is fixed to the end of the moving rod 22. The ball 21 moves with the moving rod 22. A top holding plate 26 is fixed to the surface of the second slider 15. The top holding plate 26 is held on the surface of the ball 21 after the second slider 15 moves. A second spring 25 is provided on the surface of the moving rod 22. , the second spring 25 is located in the annular groove 23, the other end of the moving rod 22 is fixed with a rubber ring 28, the rubber ring 28 is located in the annular groove 23, one end of the second spring 25 is connected to the rubber ring 28, the second spring 25 has a pulling force on the rubber ring 28, so that the rubber ring 28 is located inside the annular groove 23, the surface of the rubber ring 28 is fixed with a first extension ring 27 and a second extension ring 29, the first extension ring 27 and the second extension ring 29 move with the rubber ring 28, and when the rubber ring 28 is located in the annular groove 23, the first extension ring 27 and the second extension ring 29 are also located in the annular groove 23, when the second baffle 35 moves with the arc plate 17, the moving rod 22 is inserted into the notch 24 on the surface of the second baffle 35, and the second baffle The surface of 35 is provided with multiple groups of notches 24, and the multiple groups of moving rods 22 on the surface of the rotating ring 19 can be inserted into the notches 24. After the rotating shaft 20 rotates, the ball 21 of the rotating ring 19 moves under the push of the holding plate 26, so that the rubber ring 28 is removed from the ring groove 23. The rubber ring 28 is held in the gap between the valve 12 and the connecting pipe 2. The first extension ring 27 and the second extension ring 29 are respectively held on the surface and gap of the valve 12. The surface of the rubber ring 28 is provided with a first extension ring 27 and a second extension ring 29. The first extension ring 27 and the second extension ring 29 are held on the surface and gap of the valve 12, further enhancing the sealing of the valve 12. When the valve 12 is opened, the rotating ring 19 swings along the rotating shaft 20.

[0037] The pipeline 31 and the connecting pipe 2 are connected to the end of the outlet 30, and the valve 12 is driven by the motor 3 to open and close the valve. When the valve is closed, the rotating ring 4 is rotated, and the rotating ring 4 drives the rotating shaft 20 to rotate. The rotating shaft 20 drives the rotating ring 19 to rotate, and the annular groove 23 is toward the direction of the valve 12. The first spring 9 pushes the first slider 10, and the first slider 10 drives the L-shaped plate 6 to move. The L-shaped plate 6 drives the top holding plate 11 to be held on the surface of the rotating shaft 20. The surface of the rotating shaft 20 is provided with a rack 5. The surface of the top holding plate 11 is stuck in the rack 5 to stabilize the angle of the rotating shaft 20, and the bottom of the first slider 10 is provided with a first magnet 13. The first magnet 13 drives the second magnet 14 to move through magnetic force, and the second magnet 14 drives the second slider 15 to move, so that the top holding plate 26 is held on the surface of the ball 21, so that the moving rod 22 and the rubber ring 28 move, and the rubber ring 28 is held between the valve 12 and the connecting pipe 2, and a first extension ring 27 and a second extension ring 29 are provided on the surface of the rubber ring 28. The first extension ring 27 and the second extension ring 29 are supported on the surface and in the gap of the valve 12 to further enhance the sealing performance of the valve 12. When the valve 12 is opened, the rotating ring 19 swings along the rotating shaft 20, so that the rotating ring 19 is laterally located inside the pipe 31, and the second spring 25 pulls the rubber ring 28, so that the rubber ring 28, the first extension ring 27 and the second extension ring 29 are located inside the ring groove 23, and the first magnet 13 attracts the second magnet 14 to drive the curved plate 17 to move, so that the curved plate 17 is located on one side of the rotating ring 19, and the first baffle 18 and the second baffle 35 are located at both ends of the rotating ring 19. The moving rod 22 is inserted into the notch 24, and the curved plate 17, the first baffle 18 and the second baffle 35 protect the first extension ring 27, the rubber ring 28 and the second extension ring 29 located in the ring groove 23.

[0038] Although the above describes the illustrative specific embodiments of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. A cryogenic liquid oxygen storage tank with high sealing performance, characterized by: include: A storage tank (1) is provided with an outlet (30) at the bottom of the storage tank (1), a pipe (31) is provided at the end of the outlet (30), a connecting pipe (2) is provided at the end of the pipe (31), a valve (12) is provided inside the connecting pipe (2), a first slider (10) is provided on the surface of the pipe (31), an L-shaped plate (6) is provided on the surface of the first slider (10), a rack (5) is provided at the end of the L-shaped plate (6), a rotating ring (4) is provided on the surface of the pipe (31), a rotating shaft (20) is fixed at the bottom of the rotating ring (4), a rack (5) is provided on the surface of the rotating shaft (20), and an extension block (32) is fixed on the surface of the pipe (31); A rotating ring (19) is provided with a rubber ring (28) on the surface of the rotating ring (19), a first extension ring (27) and a second extension ring (29) are fixed on the surface of the rubber ring (28), and a moving rod (22) is connected to the surface of the rubber ring (28).

2. The cryogenic liquid oxygen storage tank with high sealing performance according to claim 1, characterized in that: The outlet (30) is fixed to the bottom of the storage tank (1), the pipe (31) is fixed to the end of the outlet (30) by a screw, the connecting pipe (2) is fixed to the end of the pipe (31) by a screw, a motor (3) is fixed to the surface of the connecting pipe (2), the rotating shaft of the motor (3) is connected to the valve (12), the motor (3) can drive the valve (12) to rotate, the surface of the valve (12) is provided with a through hole (33), an extension block (32) is fixed to the surface of the pipe (31), a rotating shaft (20) is inserted into the extension block (32), the rotating shaft (20) can rotate in the extension block (32), a rack (5) is provided on the surface of the rotating shaft (20), and the rotating ring (4) can drive the rotating shaft (20) to rotate.

3. The cryogenic liquid oxygen storage tank with high sealing performance according to claim 2, characterized in that: A top holding plate (11) is fixed to the end of the L-shaped plate (6). The top holding plate (11) moves along with the L-shaped plate (6). The top holding plate (11) can be held on the surface of the rotating shaft (20). A protrusion is provided on the surface of the top holding plate (11). The protrusion can be inserted into the rack (5). A first slot (7) is provided on the surface of the pipe (31). The first slider (10) is located in the first slot (7). The first slider (10) can move in the first slot (7). A transverse slider is fixed in the first slot (7). The cross bar (8) is inserted into the interior of the first slider (10), and the first slider (10) can move on the surface of the cross bar (8). A first spring (9) is provided on the outside of the cross bar (8), one end of the first spring (9) is connected to the surface of the first slider (10), and the other end is connected to the inner wall of the first slot (7). The first spring (9) has a thrust on the first slider (10), so that the first slider (10) drives the L-shaped plate (6) and the top holding plate (11) close to the surface of the rotating shaft (20).

4. The cryogenic liquid oxygen storage tank with high sealing performance according to claim 3, characterized in that: The pipe (31) is provided with a third chute (34) and a second chute (16) inside. A second slider (15) is provided in the second chute (16). Two groups of second sliders (15) are provided. The other group of second sliders (15) is located in the third chute (34). The second slider (15) can move in the second chute (16) and the third chute (34). An arc plate (17) is fixed between the two groups of second sliders (15). The arc plate (17) moves with the second slider (15). A first magnet (13) is fixed to the bottom of the first slider (10). A second magnet (14) is fixed to the surface of the second slider (15). The first magnet (13) can adsorb the second magnet (14) so that the second slider (15) moves with the first slider (10).

5. The cryogenic liquid oxygen storage tank with high sealing performance according to claim 4, characterized in that: A first baffle (18) is fixed to the end of the arc plate (17), and the first baffle (18) moves along with the arc plate (17). A second baffle (35) is fixed to the other end of the arc plate (17), and the second baffle (35) moves along with the arc plate (17). A notch (24) is provided on the surface of the second baffle (35). A rotating ring (19) is fixed to the surface of the rotating shaft (20), and the rotating ring (19) can rotate along with the rotating shaft (20). A ring groove (23) is provided on the surface of the moving ring (19), a moving rod (22) is inserted into the ring groove (23), and the moving rod (22) can move inside the rotating ring (19). A ball (21) is fixed to the end of the moving rod (22), and the ball (21) moves along with the moving rod (22). A top holding plate (26) is fixed on the surface of the second slider (15), and the top holding plate (26) is held on the surface of the ball (21) after the second slider (15) moves.

6. The cryogenic liquid oxygen storage tank with high sealing performance according to claim 5, characterized in that: A second spring (25) is provided on the surface of the moving rod (22), and the second spring (25) is located in the annular groove (23). A rubber ring (28) is fixed to the other end of the moving rod (22), and the rubber ring (28) is located in the annular groove (23). One end of the second spring (25) is connected to the rubber ring (28), and the second spring (25) exerts a pulling force on the rubber ring (28), so that the rubber ring (28) is located inside the annular groove (23). A first extension ring (27) and a second extension ring (29) are fixed on the surface of the rubber ring (28), and the first extension ring (27) and the second extension ring (29) move with the rubber ring (28). When the rubber ring (28) is located in the annular groove (23), the first extension ring (27) and the second extension ring (29) are also located in the annular groove (23).

7. The cryogenic liquid oxygen storage tank with high sealing performance according to claim 6, characterized in that: When the second baffle (35) moves along with the arc-shaped plate (17), the moving rod (22) is inserted into the notch (24) on the surface of the second baffle (35), and the surface of the second baffle (35) is provided with multiple groups of notches (24), and the multiple groups of moving rods (22) on the surface of the rotating ring (19) can all be inserted into the notch (24).

8. The cryogenic liquid oxygen storage tank with high sealing performance according to claim 7, characterized in that: The rotating ring (19) rotates with the rotating shaft (20), and the ball (21) moves under the push of the supporting plate (26), so that the rubber ring (28) moves out of the ring groove (23). The rubber ring (28) is supported in the gap between the valve (12) and the connecting pipe (2), and the first extension ring (27) and the second extension ring (29) are supported on the surface of the valve (12) and the gap respectively.

9. The cryogenic liquid oxygen storage tank with high sealing performance according to claim 8, characterized in that: When the through hole (33) and the connecting pipe (2) are in a horizontal state, the valve (12) is in an open state; when the through hole (33) is in a vertical state, the valve (12) is in a closed state.

10. The cryogenic liquid oxygen storage tank with high sealing performance according to claim 9, characterized in that: The outlet (30) is communicated with the interior of the storage tank (1), and a sealing ring is provided at the connection between the outlet (30), the pipeline (31) and the connecting pipe (2).

Images