A leak-proof hydrogen storage device

Abstract

The utility model discloses a kind of leakage-proof hydrogen storage devices, it relates to hydrogen storage equipment technical field.The leakage-proof hydrogen storage device, including protection unit and inner tank, the inner tank is inserted in the inside of protection unit, the protection unit includes cover shell and base, the base is inserted in the inside of cover shell, the cover shell and base are used to protect inner tank.The leakage-proof hydrogen storage device, the utility model is provided with sealing bin on tank body, sealing bin is sleeved in the outside of filling and discharging pipe, the combination structure of sealing cover and sealing ring is adopted, the double sealing of filling and discharging pipe is realized, effectively prevent hydrogen from filling and discharging pipe place leakage;The cover shell and base of protection unit are through reasonable structural design, and the mutual cooperation of upper snap ring, limit ring, connecting ring, plug-in ring and support ring etc. When being impacted by external force, impact force can be effectively dispersed and buffered, and the inner tank is protected from being damaged.

Description

Technical Field

[0001] This utility model relates to the technical field of hydrogen storage equipment, specifically a leak-proof hydrogen storage device. Background Technology

[0002] Hydrogen, as a clean and efficient energy source, is increasingly widely used in the energy sector. However, hydrogen's flammability, explosiveness, and small molecular size make its safe storage a critical issue that urgently needs to be addressed.

[0003] Existing hydrogen storage devices have certain structural design flaws, poor sealing performance, and are prone to hydrogen leakage, posing significant safety hazards. Furthermore, their protective structures are inadequate, failing to effectively protect the internal tank from external impacts, further increasing the risk of hydrogen leakage. Therefore, there is an urgent need to design a hydrogen storage device that can effectively prevent hydrogen leakage and possesses excellent protective performance.

[0004] Existing hydrogen storage devices have poor sealing performance, which can easily lead to hydrogen leakage and pose a significant safety hazard; their protective structures are not perfect, which increases the risk of hydrogen leakage when subjected to external impacts. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a leak-proof hydrogen storage device, which solves the problems of poor sealing performance of existing hydrogen storage devices, which easily leads to hydrogen leakage and poses a significant safety hazard; and the inadequate protective structure, which increases the risk of hydrogen leakage when subjected to external impact.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a leak-proof hydrogen storage device, comprising a protective unit and an inner tank, wherein the inner tank is inserted into the inner side of the protective unit, and the protective unit comprises:

[0007] Enclosure;

[0008] A base that is inserted into the inside of a housing, the housing and the base serving to protect the inner tank;

[0009] The inner tank includes:

[0010] The tank body is inserted into the inside of the cover and the base, and the top of the tank body is connected to the filling and discharging pipe, which is used to fill or discharge hydrogen gas;

[0011] A sealed chamber is connected to the outside of the tank body and sleeved on the outside of the filling and draining pipe.

[0012] Preferably, an upper retaining ring is provided on the inner side of the cover, a first reinforcing rib is connected to the top of the upper retaining ring, a limiting ring and a connecting ring are connected to the inner side of the cover, a handle hole is provided on the cover, the upper retaining ring is engaged with the top of the tank, and the limiting ring and the connecting ring are engaged with the outer side of the tank.

[0013] Preferably, the upper retaining ring is engaged with the top of the tank, and the limiting ring and the connecting ring are engaged with the outside of the tank.

[0014] Preferably, the base is connected to a plug ring and a support ring, the top of the support ring is connected to a second reinforcing rib, and a connecting bolt is inserted into the support ring, the connecting bolt passing through the support ring and inserted into the inner side of the connecting ring.

[0015] Preferably, the insertion ring is inserted into the inside of the cover, and the support ring is engaged with the bottom of the tank.

[0016] Preferably, the filling and draining pipe is equipped with a sealing valve.

[0017] Preferably, a sealing cover is threadedly connected to the inner side of the sealing chamber, a handle is connected to the top of the sealing cover, and a sealing ring is sleeved on the outer side of the sealing cover, with the sealing ring tightly attached to the sealing chamber.

[0018] This utility model discloses a leak-proof hydrogen storage device, which has the following beneficial effects:

[0019] This utility model achieves double sealing of the filling and discharging pipe by setting a sealing chamber on the tank body, which is sleeved on the outside of the filling and discharging pipe and adopts a combination structure of a threaded sealing cap and a sealing ring, effectively preventing hydrogen from leaking from the filling and discharging pipe.

[0020] The protective unit's casing and base, through a rational structural design and the coordinated operation of components such as the upper retaining ring, limiting ring, connecting ring, plug-in ring, and support ring, provide comprehensive protection for the inner tank. When subjected to external impact, it effectively disperses and buffers the impact force, protecting the inner tank from damage and reducing the risk of hydrogen leakage. The addition of the first and second reinforcing ribs further enhances the structural strength and stability of the protective unit.

[0021] The handle hole on the casing facilitates the handling and movement of the device; the handle on the sealing cover allows operators to quickly and easily open and close the sealing cover for hydrogen filling and venting operations. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the protective unit of this utility model;

[0025] Figure 3 This is a schematic diagram of the inner tank of this utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the tank body of this utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the sealing chamber of this utility model.

[0028] In the diagram: 1. Protective unit; 11. Cover; 111. Upper retaining ring; 112. First reinforcing rib; 113. Limiting ring; 114. Connecting ring; 115. Handle hole; 12. Base; 121. Insertion ring; 122. Support ring; 123. Second reinforcing rib; 124. Connecting bolt; 2. Inner tank; 21. Tank body; 211. Filling / draining pipe; 212. Sealing valve; 22. Sealing chamber; 221. Sealing cover; 222. Turning handle; 223. Sealing ring. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0030] This application provides a leak-proof hydrogen storage device, which solves the problems of existing hydrogen storage devices having poor sealing performance, which easily leads to hydrogen leakage and poses a significant safety hazard; and insufficient protective structure, which increases the risk of hydrogen leakage when subjected to external impact. The device effectively improves its sealing performance, prevents hydrogen leakage, and enhances its protective capabilities to ensure the safety of hydrogen storage.

[0031] This utility model discloses a leak-proof hydrogen storage device.

[0032] Example 1: According to the appendix Figure 1-5 As shown, the device includes a protective unit 1 and an inner tank 2. The inner tank 2 is inserted into the inner side of the protective unit 1. The protective unit 1 includes a cover 11 and a base 12. The base 12 is inserted into the inner side of the cover 11. The cover 11 and the base 12 are used to protect the inner tank 2. The inner tank 2 includes a tank body 21 and a sealed chamber 22. The tank body 21 is inserted into the inner side of the cover 11 and the base 12. The top of the tank body 21 is connected to a filling and venting pipe 211, which is used to fill or vent hydrogen. The sealed chamber 22 is connected to the outside of the tank body 21 and is sleeved on the outside of the filling and venting pipe 211.

[0033] This utility model achieves double sealing of the filling and draining pipe 211 by setting a sealing chamber 22 on the tank body 21, which is sleeved on the outside of the filling and draining pipe 211 and adopts a combination structure of a threaded sealing cover 221 and a sealing ring 223, effectively preventing hydrogen from leaking from the filling and draining pipe 211; the cover 11 and base 12 of the protective unit 1 form all-round protection for the inner tank 2 through reasonable structural design and the mutual cooperation of components such as the upper retaining ring 111, the limiting ring 113, the connecting ring 114, the plug-in ring 121 and the support ring 122. When subjected to external impact, it can effectively disperse and buffer the impact force, protect the inner tank 2 from damage, and reduce the risk of hydrogen leakage; the setting of the first reinforcing rib 112 and the second reinforcing rib 123 further enhances the structural strength and stability of the protective unit 1; the handle hole 115 opened on the cover 11 facilitates the handling and movement of the device; the handle 222 on the sealing cover 221 makes it easy for operators to quickly and conveniently open and close the sealing cover 221 to carry out hydrogen filling and discharging operations.

[0034] Furthermore, an upper retaining ring 111 is provided on the inner side of the cover 11, and a first reinforcing rib 112 is connected to the top of the upper retaining ring 111. A limiting ring 113 and a connecting ring 114 are connected to the inner side of the cover 11. A handle hole 115 is provided on the cover 11. The upper retaining ring 111 is engaged with the top of the tank body 21, and the limiting ring 113 and the connecting ring 114 are engaged with the outside of the tank body 21. The engagement of the upper retaining ring 111 with the top of the tank body 21 and the engagement of the limiting ring 113 and the connecting ring 114 with the outside of the tank body 21 can accurately position and stably support the inner tank 2. At the same time, the first reinforcing rib 112 enhances the structural strength of the upper retaining ring 111 and improves the overall stability of the protective unit 1.

[0035] Furthermore, the upper retaining ring 111 is engaged with the top of the tank body 21, and the limiting ring 113 and the connecting ring 114 are engaged with the outside of the tank body 21.

[0036] Specifically disclosed, the base 12 is connected to a plug ring 121 and a support ring 122. The top of the support ring 122 is connected to a second reinforcing rib 123. A connecting bolt 124 is inserted into the support ring 122. The connecting bolt 124 passes through the support ring 122 and is inserted into the inner side of the connecting ring 114.

[0037] Specifically disclosed, the insertion ring 121 is inserted into the inside of the cover 11, and the support ring 122 is snapped into the bottom of the tank 21. This connection method makes the base 12 form a solid connection structure with the cover 11 and the tank 21, further improving the protective performance of the device.

[0038] It should be emphasized that a sealing valve 212 is installed on the filling and draining pipe 211.

[0039] Example 2: According to the appendix Figure 1-5 As shown, the device includes a protective unit 1 and an inner tank 2. The inner tank 2 is inserted into the inner side of the protective unit 1. The protective unit 1 includes a cover 11 and a base 12. The base 12 is inserted into the inner side of the cover 11. The cover 11 and the base 12 are used to protect the inner tank 2. The inner tank 2 includes a tank body 21 and a sealed chamber 22. The tank body 21 is inserted into the inner side of the cover 11 and the base 12. The top of the tank body 21 is connected to a filling and venting pipe 211, which is used to fill or vent hydrogen. The sealed chamber 22 is connected to the outside of the tank body 21 and is sleeved on the outside of the filling and venting pipe 211.

[0040] It is particularly important to emphasize that a sealing cover 221 is threadedly connected to the inner side of the sealing chamber 22, a handle 222 is connected to the top of the sealing cover 221, and a sealing ring 223 is sleeved on the outer side of the sealing cover 221. The sealing ring 223 is tightly attached to the sealing chamber 22. Through the double sealing effect of the threaded connection and the sealing ring 223, the sealing performance at the filling and discharging pipe 211 is greatly improved, preventing hydrogen leakage.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A leak-proof hydrogen storage device, comprising a protective unit (1) and an inner tank (2), wherein the inner tank (2) is inserted into the inner side of the protective unit (1), characterized in that, The protective unit (1) includes: Cover (11); A base (12) is inserted into the inside of a cover (11), and the cover (11) and the base (12) are used to protect the inner tank (2). The inner tank (2) includes: Tank (21), which is inserted into the inside of the cover (11) and the base (12), and the top of the tank (21) is connected to a filling and draining pipe (211), which is used to fill or drain hydrogen. A sealed chamber (22) is connected to the outside of the tank body (21) and sleeved on the outside of the filling and draining pipe (211).

2. The leak-proof hydrogen storage device according to claim 1, characterized in that, The inner side of the cover (11) is provided with an upper retaining ring (111), the top of the upper retaining ring (111) is connected with a first reinforcing rib (112), the inner side of the cover (11) is connected with a limiting ring (113) and a connecting ring (114), the cover (11) is provided with a handle hole (115), the upper retaining ring (111) is engaged with the top of the tank body (21), and the limiting ring (113) and the connecting ring (114) are engaged with the outside of the tank body (21).

3. The leak-proof hydrogen storage device according to claim 2, characterized in that, The base (12) is connected to a plug ring (121) and a support ring (122). The top of the support ring (122) is connected to a second reinforcing rib (123). A connecting bolt (124) is inserted into the support ring (122). The connecting bolt (124) passes through the support ring (122) and is inserted into the inner side of the connecting ring (114).

4. A leak-proof hydrogen storage device according to claim 3, characterized in that, The insertion ring (121) is inserted into the inside of the cover (11), and the support ring (122) is snapped into the bottom of the tank (21).

5. A leak-proof hydrogen storage device according to claim 1, characterized in that, A sealing valve (212) is provided on the filling and draining pipe (211).

6. A leak-proof hydrogen storage device according to claim 1, characterized in that, The sealing chamber (22) is threaded with a sealing cover (221) on the inner side. A throttle (222) is connected to the top of the sealing cover (221). A sealing ring (223) is fitted on the outer side of the sealing cover (221). The sealing ring (223) is in close contact with the sealing chamber (22).

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