Connecting and sealing structure of solid hydrogen storage bottle

Abstract

The utility model discloses a solid hydrogen storage bottle connecting and sealing structure which comprises a bottle opening, the top of the bottle opening is fixedly connected with a fixing flange, a sealing cover is connected between the inner walls of the fixing flange in a threaded mode, the outer side of the sealing cover is fixedly connected with a fixing handle, and a mounting groove is formed in the bottom of the sealing cover. And a first sealing ring is fixedly connected between the inner walls of the mounting groove. According to the solid hydrogen storage bottle, the sealing cover is in threaded connection with the fixing flange at the top of the bottle opening through the fixing plate, then the sealing performance of the solid hydrogen storage bottle is preliminarily improved through the first sealing ring in the mounting groove, and then the rotating disc is rotated to enable the threaded rod to penetrate through the through hole and be in threaded connection with the connecting hole; and the sealing performance is further improved through a second sealing ring in an embedding groove, when the solid hydrogen storage bottle is used, a rotating disc rotates to enable a threaded rod to move upwards, hydrogen enters a fixing box through an air passing hole and an air supply groove and then is output through an exhaust pipe, and therefore the use convenience of the solid hydrogen storage bottle is improved, and meanwhile the overall quality of the solid hydrogen storage bottle is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to solid hydrogen storage bottle connection sealing technical field, concretely is a kind of solid hydrogen storage bottle connection sealing structure. BACKGROUND

[0002] Solid hydrogen storage bottle is a kind of container for storing hydrogen in solid form, which adsorbs or combines hydrogen in solid materials by physical or chemical methods. This hydrogen storage technology has received extensive attention and research in recent years due to its safety, volume efficiency and low pressure characteristics. The basic principle of solid hydrogen storage bottle is to store hydrogen in the form of chemical or physical adsorption using alloys, hydrides or other compounds.

[0003] In the current solid hydrogen storage bottle connection sealing process, flange butt joint or argon arc welding is usually used to ensure seamless connection. However, the flange butt joint method cannot guarantee the safety factor of the solid hydrogen storage bottle during long-term use. Although the welding method provides good sealing effect, it is not convenient for the replacement and recycling of the solid hydrogen storage bottle, thereby reducing the sealing performance and safety of the solid hydrogen storage bottle and increasing the waste of resources. Therefore, we propose a solid hydrogen storage bottle connection sealing structure. SUMMARY

[0004] The utility model aims at providing a kind of solid hydrogen storage bottle connection sealing structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of solid hydrogen storage bottle connection sealing structure, including bottle mouth, the top of the bottle mouth is fixedly connected with fixed flange, the inner wall between the fixed flange is threadedly connected with sealing cover, the outer side of the sealing cover is fixedly connected with fixed handle, the bottom of the sealing cover is equipped with installation slot, the inner wall between the installation slot is fixedly connected with first sealing ring, the bottom of the first sealing ring is in contact with the top of fixed flange, the top of the sealing cover is fixedly connected with fixed box, the top of the fixed box is equipped with through-hole, the top of the sealing cover is equipped with connecting hole, the connecting hole penetrates sealing cover, the connecting hole is communicated with through-hole.

[0006] As a further preferred embodiment of the present technical solution, the bottom of the sealing cover is fixedly connected with a fixed cavity, the outer side of the fixed cavity is provided with a gas passage hole, the gas passage hole is communicated with the inside of the fixed cavity, and the bottom of the fixed cavity is fixedly installed with a pressure sensing probe.

[0007] As a further preferred embodiment of the present technical solution, the inner side of the connecting hole is provided with a gas supply groove, and the gas supply groove is communicated with the inside of the fixed box.

[0008] As a further preferred of the technical solution, the inner wall of the connecting hole is threadedly connected with a threaded rod, the outer side of the threaded rod is slidingly connected with the inner side of the through hole, and the top end of the threaded rod is fixedly connected with a rotating disc.

[0009] As a further preferred of the technical solution, the outer side of the threaded rod is provided with an embedded groove, and the inner wall of the embedded groove is fixedly connected with a second sealing ring.

[0010] As a further preferred of the technical solution, one side of the fixed box is fixedly connected with an exhaust pipe, and the exhaust pipe penetrates the inside of the fixed box.

[0011] As a further preferred of the technical solution, one side of the fixed box is fixedly connected with a pressure relief pipe, the pressure relief pipe penetrates the inside of the fixed box, and the outer side of the pressure relief pipe is rotatably connected with a pressure relief valve.

[0012] The utility model provides a solid state hydrogen storage bottle connecting and sealing structure has the following beneficial effects:

[0013] (1) the utility model discloses a fixed plate is connected with the fixed flange of the bottle mouth top through the thread of sealing cover, then through the first sealing ring of installation groove inside, the sealing property of solid state hydrogen storage bottle is improved primarily, then rotates the disc and makes the threaded rod pass through the through -hole and is connected with the thread of connecting hole, and the sealing property is further improved through the second sealing ring in the embedded groove, when using solid state hydrogen storage bottle, the rotation of the disc makes the threaded rod move upwards, and hydrogen passes through the gas hole and the gas supply groove and enters the inside of fixed box, then exports through the exhaust pipe, thereby improve the use convenience of solid state hydrogen storage bottle, and improve its overall quality simultaneously.

[0014] (2) the utility model discloses the pressure of solid state hydrogen storage bottle inside is monitored in real time through the pressure sensing probe of fixed cavity bottom, when the pressure in solid state hydrogen storage bottle is too big, can pass through the pressure relief treatment of adjusting pressure relief valve and pressure relief pipe, thereby effectively reducing the pressure in solid state hydrogen storage bottle, improve the safety of solid state hydrogen storage bottle. ACCURACY

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the three-dimensional sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is the threaded rod structure schematic diagram of the utility model;

[0018] Figure 4 It is the embedded groove structure schematic diagram of the utility model;

[0019] In the figure: 1, bottle mouth; 2, sealing cover; 3, fixed handle; 4, fixed box; 5, exhaust pipe; 6, rotating disc; 7, pressure relief valve; 8, through hole; 9, air supply groove; 10, connecting hole; 11, mounting groove; 12, first sealing ring; 13, fixed cavity; 14, air passage; 15, pressure sensing probe; 16, threaded rod; 17, second sealing ring; 18, fitting groove; 19, fixed flange; 20, pressure relief pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] The utility model provides technical schemes: as Figures 1-4 The utility model discloses a solid-state hydrogen storage bottle connecting and sealing structure, which comprises a bottle mouth 1, the top of the bottle mouth 1 is fixedly connected with a fixed flange 19, the inner wall of the fixed flange 19 is threadedly connected with a sealing cover 2, the outer side of the sealing cover 2 is fixedly connected with a fixed handle 3, the bottom of the sealing cover 2 is provided with a mounting groove 11, the inner wall of the mounting groove 11 is fixedly connected with a first sealing ring 12, the bottom of the first sealing ring 12 abuts against the top of the fixed flange 19, the top of the sealing cover 2 is fixedly connected with a fixed box 4, the top of the fixed box 4 is provided with a through hole 8, the top of the sealing cover 2 is provided with a connecting hole 10, the connecting hole 10 penetrates through the sealing cover 2, the connecting hole 10 is communicated with the through hole 8, the bottom of the sealing cover 2 is fixedly connected with a fixed cavity 13, the outer side of the fixed cavity 13 is provided with an air passage 14, the air passage 14 is communicated with the inside of the fixed cavity 13, the bottom of the fixed cavity 13 is fixedly installed with a pressure sensing probe 15, the inner side of the connecting hole 10 is provided with an air supply groove 9, the air supply groove 9 is communicated with the inside of the fixed box 4, the inner wall of the connecting hole 10 is threadedly connected with a threaded rod 16, the outer side of the threaded rod 16 is slidably connected with the inner side of the through hole 8, the top end of the threaded rod 16 is fixedly connected with a rotating disc 6, the outer side of the threaded rod 16 is provided with a fitting groove 18, the inner wall of the fitting groove 18 is fixedly connected with a second sealing ring 17, one side of the fixed box 4 is fixedly connected with an exhaust pipe 5, the exhaust pipe 5 is communicated with the inside of the fixed box 4, one side of the fixed box 4 is fixedly connected with a pressure relief pipe 20, the pressure relief pipe 20 is communicated with the inside of the fixed box 4, and the outer side of the pressure relief pipe 20 is rotatably connected with a pressure relief valve 7.

[0022] When the solid-state hydrogen storage bottle is assembled and connected, first, the sealing cover 2 is rotated by the fixed handle 3, so that the sealing cover 2 is threadedly connected with the fixed flange 19 at the top of the bottle mouth 1, so that the first sealing ring 12 between the inner walls of the mounting groove 11 is abutted against the top of the fixed flange 19, thereby preliminarily improving the sealing property of the solid-state hydrogen storage bottle, then the threaded rod 16 is passed through the through hole 8, then the threaded rod 16 is threadedly connected with the inner side of the connecting hole 10 by rotating the rotating disc 6, the sealing property of the solid-state hydrogen storage bottle is further improved by the action of the second sealing ring 17 between the inner walls of the embedded groove 18, thereby the sealing connection of the solid-state hydrogen storage bottle is completed, then the internal pressure of the solid-state hydrogen storage bottle is monitored in real time by the pressure sensing probe 15 at the bottom of the fixed cavity 13, when the internal pressure of the solid-state hydrogen storage bottle is too large, the pressure in the solid-state hydrogen storage bottle can be released by rotating the pressure relief valve 7 and through the pressure relief pipe 20, when the solid-state hydrogen storage bottle is used, the hydrogen in the solid-state hydrogen storage bottle is outputted through the exhaust pipe 5 by rotating the rotating disc 6, so that the hydrogen in the solid-state hydrogen storage bottle is passed through the gas passing hole 14 and the gas supply groove 9 into the inside of the fixed box 4, thereby the sealing property and safety of the solid-state hydrogen storage bottle are improved.

[0023] The utility model provides a solid-state hydrogen storage bottle connection sealing structure, specific working principle is as follows: when the solid-state hydrogen storage bottle is assembled and connected, first, the sealing cover 2 is rotated by the fixed handle 3, so that the sealing cover 2 is threadedly connected with the fixed flange 19 at the top of the bottle mouth 1, so that the first sealing ring 12 between the inner walls of the mounting groove 11 is abutted against the top of the fixed flange 19, thereby preliminarily improving the sealing property of the solid-state hydrogen storage bottle, then the threaded rod 16 is passed through the through hole 8, then the threaded rod 16 is threadedly connected with the inner side of the connecting hole 10 by rotating the rotating disc 6, the sealing property of the solid-state hydrogen storage bottle is further improved by the action of the second sealing ring 17 between the inner walls of the embedded groove 18, thereby the sealing connection of the solid-state hydrogen storage bottle is completed, then the internal pressure of the solid-state hydrogen storage bottle is monitored in real time by the pressure sensing probe 15 at the bottom of the fixed cavity 13, when the internal pressure of the solid-state hydrogen storage bottle is too large, the pressure in the solid-state hydrogen storage bottle can be released by rotating the pressure relief valve 7 and through the pressure relief pipe 20, when the solid-state hydrogen storage bottle is used, the hydrogen in the solid-state hydrogen storage bottle is outputted through the exhaust pipe 5 by rotating the rotating disc 6, so that the hydrogen in the solid-state hydrogen storage bottle is passed through the gas passing hole 14 and the gas supply groove 9 into the inside of the fixed box 4.

[0024] Although the embodiments of the utility model have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A solid state hydrogen storage bottle connection seal comprising a bottle mouth (1) characterised in that: The top of the bottle mouth (1) is fixedly connected with a fixed flange (19), the inner wall of the fixed flange (19) is threadedly connected with a sealing cover (2), the outer side of the sealing cover (2) is fixedly connected with a fixed handle (3), the bottom of the sealing cover (2) is provided with a mounting groove (11), the inner wall of the mounting groove (11) is fixedly connected with a first sealing ring (12), the bottom of the first sealing ring (12) is in abutment with the top of the fixed flange (19), the top of the sealing cover (2) is fixedly connected with a fixed box (4), the top of the fixed box (4) is provided with a through hole (8), the top of the sealing cover (2) is provided with a connecting hole (10), the connecting hole (10) penetrates the sealing cover (2), and the connecting hole (10) is in communication with the through hole (8).

2. The connection seal structure of a solid hydrogen storage bottle according to claim 1, wherein: The bottom of the sealing cover (2) is fixedly connected with a fixed cavity (13), the outer side of the fixed cavity (13) is provided with an air passing hole (14), the air passing hole (14) is in communication with the inside of the fixed cavity (13), and the bottom of the fixed cavity (13) is fixedly provided with a pressure sensing probe (15).

3. The connection seal for a solid state hydrogen storage bottle of claim 1, wherein: The inner side of the connecting hole (10) is provided with a gas supply groove (9), and the gas supply groove (9) is in communication with the inside of the fixed box (4).

4. The connection seal for a solid state hydrogen storage bottle of claim 1, wherein: The inner wall of the connecting hole (10) is threadedly connected with a threaded rod (16), the outer side of the threaded rod (16) is slidably connected with the inner side of the through hole (8), and the top end of the threaded rod (16) is fixedly connected with a rotating disc (6).

5. The connection seal for a solid state hydrogen storage bottle of claim 4, wherein: The outer side of the threaded rod (16) is provided with a matching groove (18), and the inner wall of the matching groove (18) is fixedly connected with a second sealing ring (17).

6. The connection seal for a solid state hydrogen storage bottle of claim 1, wherein: One side of the fixed box (4) is fixedly connected with an exhaust pipe (5), and the exhaust pipe (5) is in communication with the inside of the fixed box (4).

7. The connection seal for a solid state hydrogen storage bottle of claim 1, wherein: One side of the fixed box (4) is fixedly connected with a pressure relief pipe (20), the pressure relief pipe (20) is in communication with the inside of the fixed box (4), and the outer side of the pressure relief pipe (20) is rotatably connected with a pressure relief valve (7).

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