Hydrogen storage device

Abstract

The utility model relates to the technical field of hydrogen storage and conveying, in particular to a hydrogen storage device which comprises a hydrogen storage container, a valve, an inner cover, an outer cover and a first elastic buffer component. Wherein a container opening is formed in the hydrogen storage container, and the valve is mounted at the container opening; the inner cover covers the outer part of the valve and is clamped with the hydrogen storage container; the outer cover covers the inner cover, and the first elastic buffer component is arranged between the outer cover and the inner cover. The hydrogen storage device provided by the utility model is provided with the inner cover and the outer cover, and the first elastic buffer component is arranged between the inner cover and the outer cover, so that when the valve of the hydrogen storage device is accidentally bumped, the buffer energy absorption performance of the first elastic buffer component can be used for buffering between the outer cover and the inner cover, thereby reducing the vibration on the inner cover; the situation that leakage occurs in the transportation process due to the fact that the valve body is damaged is avoided, and the safety and reliability of the hydrogen storage device in the transportation process are improved.

Description

Technical Field

[0001] The present application relates to the technical field of hydrogen storage and transportation, and in particular to a hydrogen storage device. Background Art

[0002] At present, hydrogen fuel cell power generation requires a large amount of hydrogen fuel. Hydrogen exists in gaseous form and has active properties. Its storage has always been one of the technical bottlenecks restricting the development of the hydrogen energy industry. At present, there are three main practical methods of hydrogen storage and transportation, namely high-pressure containers, liquid hydrogen storage tanks and hydrogen storage alloy tanks. Regardless of which container is used, it must be equipped with a valve at the outlet end. However, during transportation, the valve part may be damaged by accidental collision, which in turn leads to hydrogen leakage. Utility Model Content

[0003] The purpose of this application is to provide a hydrogen storage device that, to a certain extent, solves the technical problem in the prior art that the valve part of the hydrogen storage container may be damaged by accidental collision during transportation, thereby causing hydrogen leakage.

[0004] The present application provides a hydrogen storage device, comprising: a hydrogen storage container, a valve, an inner cover, a first elastic buffer member, and an outer cover; wherein the hydrogen storage container is formed with a container opening, and the valve is installed at the container opening; the inner cover is arranged on the outside of the valve and is snap-connected with the hydrogen storage container; the outer cover is arranged on the outside of the inner cover, and the first elastic buffer member is arranged between the two.

[0005] In the above technical solution, further, the hydrogen storage device also includes a second elastic buffer member, the valve is formed with a support portion, the second elastic buffer member is connected to the support portion, and the second elastic buffer member is against the inner surface of the inner cover.

[0006] In any of the above technical solutions, further, the second elastic buffer member is slidably connected to the support portion.

[0007] In any of the above technical solutions, further, a side portion of the support portion is formed with an annular guide rail extending along its outer circumference, a side portion of the second elastic buffer member is formed with a slide groove, and the slide groove is slidably connected to the guide rail.

[0008] In any of the above technical solutions, further, there are multiple second elastic buffer members, which are sequentially arranged along the outer circumference of the support portion.

[0009] In any of the above technical solutions, further, along the height direction of the inner cover, the second elastic buffer member abuts against the inner surface of the top of the inner cover.

[0010] In any of the above technical solutions, further, the second elastic buffer component is made of rubber.

[0011] In any of the above technical solutions, further, the support portion is made of rubber.

[0012] In any of the above technical solutions, further, the hydrogen storage device also includes a connector, one end of which is connected to the outlet end of the valve, the inner cover is formed with a mounting through hole, and the other end of the connector passes through the mounting through hole and extends to the outside of the inner cover.

[0013] In any of the above technical solutions, further, the outer cover is formed with a passage, and the end of the connector away from the valve extends into the passage;

[0014] The hydrogen storage device further includes a protective cover, which is arranged outside the outer cover and can be arranged to cover the outside of the port and the end of the joint.

[0015] In any of the above technical solutions, further, one side of the protective cover is rotatably connected to the outer cover, and the other opposite side of the protective cover is detachably connected to the outer cover.

[0016] In any of the above technical solutions, the hydrogen storage device further includes a locking member, a spring, and a toggle member; wherein a first mounting portion is formed on an outer wall of the outer cover, and the locking member is movably inserted into a first auxiliary through-hole of the first mounting portion; the toggle member is fixedly connected to the locking member, and the spring is movably sleeved on the locking member, and the spring is located between the toggle member and the first mounting portion;

[0017] The protective cover is formed with a second mounting portion, the second mounting portion is formed with a second auxiliary through hole, the locking member can be inserted into the second auxiliary through hole, and the toggle member can abut against the bottom surface of the second mounting portion close to the first mounting portion.

[0018] In any of the above technical solutions, further, the joint is adapted to the mounting through hole of the inner cover.

[0019] In any of the above technical solutions, further, the first elastic buffer member is connected to the inner cover or the outer cover by gluing.

[0020] In any of the above technical solutions, further, the inner cover or the outer cover is formed with an inserting groove, the first elastic buffer member is formed with an inserting protrusion, and the inserting protrusion is inserted into the inserting groove.

[0021] In any of the above technical solutions, further, the inner cover includes a main cover body and a snap-on flange; wherein, the main cover body is a cap-shaped structure with a hollow interior and an open end along its height direction, and the snap-on flange is arranged on the inner side of the open end of the main cover body.

[0022] In any of the above technical solutions, further, the outer cover is a cap-shaped structure with a hollow interior and an open end along its height direction.

[0023] In any of the above technical solutions, further, the number of the first elastic buffer components is multiple and evenly distributed.

[0024] In any of the above technical solutions, further, the first elastic buffer component is made of rubber.

[0025] Compared with the prior art, the present invention has the following advantages:

[0026] The hydrogen storage device provided in the present application is equipped with an inner cover and an outer cover, and a first elastic buffer member is provided between the inner cover and the outer cover. When the valve of the hydrogen storage device is accidentally bumped, the buffering energy absorption performance of the first elastic buffer member can be used to buffer the outer cover and the inner cover, thereby reducing the vibration on the inner cover, avoiding leakage during transportation due to damage to the valve body, and improving the safety and reliability of the hydrogen storage device during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the specific implementation methods or the description of the prior art. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0028] Figure 1 A schematic structural diagram of a hydrogen storage device provided in an embodiment of the present application;

[0029] Figure 2 for Figure 1 Schematic diagram of a local enlarged structure;

[0030] Figure 3 Another structural schematic diagram of the hydrogen storage device provided in an embodiment of the present application;

[0031] Figure 4 This is another structural schematic diagram of the hydrogen storage device provided in an embodiment of the present application;

[0032] Figure 5 for Figure 4 A cross-sectional view along section AA;

[0033] Figure 6 A schematic diagram of the partial structure of the hydrogen storage device provided in an embodiment of the present application;

[0034] Figure 7 A schematic structural diagram of the inner cover provided in an embodiment of the present application;

[0035] Figure 8 Another structural schematic diagram of the inner cover provided in an embodiment of the present application;

[0036] Figure 9 A schematic structural diagram of a hydrogen storage container provided in an embodiment of the present application;

[0037] Figure 10 for Figure 9 Schematic diagram of the local enlarged structure.

[0038] Reference numerals:

[0039] 1-hydrogen storage container, 2-valve, 3-inner cover, 31-main cover, 32-clamping flange, 33-mounting through hole, 4-first elastic buffer member, 5-outer cover, 51-first mounting portion, 52-through port, 6-support portion, 61-guide rail, 7-second elastic buffer member, 8-connector, 9-protective cover, 91-second mounting portion, 10-locking member, 11-spring, 12-sliding member. DETAILED DESCRIPTION

[0040] The technical solution of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0041] The components of the embodiments of the present application generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the present application.

[0042] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of this application.

[0043] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0044] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0045] Refer to the following Figures 1 to 10 The hydrogen storage device according to some embodiments of the present application is described.

[0046] See also Figures 1 to 10 As shown, an embodiment of the present application provides a hydrogen storage device, comprising: a hydrogen storage container 1, a valve 2, an inner cover 3, an outer cover 5 and a first elastic buffer member 4; wherein, the hydrogen storage container 1 is formed with a container opening, and the valve 2 is installed at the container opening; the inner cover 3 is arranged on the outside of the valve 2 and is clamped with the hydrogen storage container 1; the outer cover 5 is arranged on the outside of the inner cover 3, and the first elastic buffer member 4 is arranged between the two.

[0047] According to the structure described above, the hydrogen storage device provided in the present application is equipped with an inner cover 3 and an outer cover 5, and a first elastic buffer member 4 is provided between the inner cover 3 and the outer cover 5. When the valve 2 of the hydrogen storage device is accidentally bumped, the buffering energy absorption performance of the first elastic buffer member 4 can be used to buffer the outer cover 5 and the inner cover 3, thereby reducing the vibration on the inner cover 3, avoiding leakage during transportation due to damage to the valve body, and improving the safety and reliability of the hydrogen storage device during transportation.

[0048] In this embodiment, preferably, Figure 5 、 Figure 9 and Figure 10 As shown, the hydrogen storage device further includes a second elastic buffer member 7 , the valve 2 is formed with a support portion 6 , the second elastic buffer member 7 is connected to the support portion 6 , and the second elastic buffer member 7 abuts against the inner surface of the inner cover 3 .

[0049] According to the structure described above, a second elastic buffer is provided between the inner cover 3 and the valve 2, which not only supports the inner cover 3, but also acts as an elastic buffer, effectively reducing the vibration on the inner cover 3 from being transmitted to the valve 2, thereby further improving the safety and reliability of the valve 2 during transportation.

[0050] Further, preferably, Figure 5 As shown, the material of the second elastic buffer member 7 is rubber, which plays a role of buffering. Of course, it is not limited to this, and the material of the second elastic buffer member 7 can also be other materials, for example: the second elastic buffer member 7 can also be a spring.

[0051] In this embodiment, preferably, Figure 5 and Figure 10 As shown, the second elastic buffer member 7 is slidably connected to the support portion 6 .

[0052] According to the structure described above, as the inner cover 3 vibrates, the position of the second elastic buffer member 7 can be adaptively adjusted, thereby achieving a better vibration reduction effect.

[0053] It should be noted that the second elastic buffer member 7 and the support portion 6 may also be fixedly connected, which is selected according to actual needs. In addition, the second elastic buffer member 7 may not be provided.

[0054] In this embodiment, preferably, Figure 10 As shown, a ring-shaped guide rail 61 extending along the outer circumference of the support portion 6 is formed on the side thereof, and a sliding groove is formed on the side of the second elastic buffer member 7 , and the sliding groove is slidably connected to the guide rail 61 .

[0055] According to the structure described above, the sliding connection between the second elastic buffer component 7 and the support part 6 is realized by the cooperation of the slide groove and the guide rail 61, and the annular guide rail 61 is provided on the side of the support part 6. Correspondingly, the slide groove is provided on the side of the second elastic buffer component 7, which is more convenient for assembly and early processing and manufacturing. In addition, the second elastic buffer component 7 and the support part 6 are also a detachable connection structure, which is convenient for installation and disassembly, especially for replacement when damaged.

[0056] In this embodiment, preferably, Figure 10 As shown, there are multiple second elastic buffer members 7 , which are sequentially arranged along the outer circumference of the support portion 6 .

[0057] According to the structure described above, it can be seen that designing multiple second elastic buffer members 7 can further enhance the buffering effect and reduce the risk of damage and leakage of the valve 2.

[0058] Further, preferably, the number of the second elastic buffer members 7 may be three. Of course, it is not limited thereto, and the number of the second elastic buffer members 7 may also be two or more than three, such as four or five.

[0059] It should be noted that the number of the second elastic buffer components 7 is not limited to multiple, but can also be one, and one second elastic buffer component 7 can be a part of the annular structure, or it can be a complete circular ring structure, etc., which can be selected according to actual needs.

[0060] In this embodiment, preferably, Figure 5 As shown, along the height direction of the inner cover 3, the second elastic buffer member 7 abuts against the inner surface of the top of the inner cover 3, which is more convenient for assembly than other directions. Of course, the second elastic buffer member 7 can also abut against the side of the inner cover 3, depending on actual needs.

[0061] In this embodiment, preferably, Figure 5 As shown, the material of the support portion 6 is rubber, which can play a good elastic buffering effect. Of course, it is not limited to this, and the material of the support portion 6 can also be other materials.

[0062] In this embodiment, preferably, Figure 5 As shown, the first elastic buffer member 4 and the second elastic buffer member 7 are made of rubber, which can play a good elastic buffering role. Of course, not limited to this, the material of the first elastic buffer member 4 can also be other materials, for example, the first elastic buffer member 4 can also be a buffer spring 11.

[0063] In this embodiment, preferably, Figures 5 to 10 As shown, the hydrogen storage device also includes a connector 8, one end of which is connected to the outlet end of the valve 2, the inner cover 3 is formed with a mounting hole 33, and the other end of the connector 8 extends through the mounting hole 33 to the outside of the inner cover 3, thereby avoiding the connector 8.

[0064] According to the structure described above, it can be seen that the device to be charged with hydrogen, such as a hydrogen fuel cell, can be directly connected through the connector 8, which is simple and convenient to operate. The connector 8 needs to be reinstalled when in use, which helps to improve work efficiency and does not require disassembly of the inner cover 3 and the outer cover 5, thereby improving the convenience of operation.

[0065] It should be noted that: it is not limited to the above structure. After the transportation is completed, the inner cover 3 and the outer cover 5 can be disassembled, and then the connector 8 can be installed on the valve 2, which is also convenient for later use. The specific selection depends on actual needs.

[0066] In this embodiment, preferably, Figure 5As shown, the outer cover 5 is formed with a through-hole 52, and the end of the connector 8 away from the valve 2 extends into the through-hole 52, playing the role of avoiding the connector 8;

[0067] The hydrogen storage device further includes a protective cover 9 , which is disposed outside the outer cover 5 , and can be disposed outside the port 52 and the end of the connector 8 .

[0068] According to the structure described above, it can be seen that the connector 8 is equipped with a protective cover 9 to protect the connector 8 when not in use.

[0069] It should be noted that the hydrogen storage device may not be equipped with a protective cover 9, and the choice is made according to actual needs.

[0070] In this embodiment, preferably, Figures 1 to 3 As shown, one side of the protective cover 9 is rotatably connected to the outer cover 5 , and the other opposite side of the protective cover 9 is detachably connected to the outer cover 5 .

[0071] According to the structure described above, the protective cover 9 with the above structure is easy to open and close, which improves the convenience of operation. Moreover, the protective cover 9 is always connected to the outer cover 5 and is not easy to be lost, and the structure is more reliable.

[0072] In this embodiment, preferably, Figure 2 As shown, the hydrogen storage device further includes a locking member 10, a spring 11, and a toggle member 12; wherein a first mounting portion 51 is formed on the outer wall of the outer cover 5, and the locking member 10 is movably inserted into the first auxiliary through hole of the first mounting portion 51; the toggle member 12 is fixedly connected to the locking member 10, and the spring 11 is movably sleeved on the locking member 10, and the spring 11 is located between the toggle member 12 and the first mounting portion 51;

[0073] The protective cover 9 is formed with a second mounting portion 91 , which is formed with a second auxiliary through hole, and the locking member 10 can be inserted into the second auxiliary through hole, and the toggle member 12 can abut against the bottom surface of the second mounting portion 91 close to the first mounting portion 51 .

[0074] According to the structure described above, it can be seen that when the protective cover 9 is in the closed state, the locking member 10 is respectively inserted into the first auxiliary through hole of the first mounting portion 51 of the outer cover 5 and the second auxiliary through hole of the second mounting portion 91 of the protective cover 9. Under the push of the spring 11, the toggle member 12 always rests on the bottom surface of the second mounting portion 91 of the protective cover 9, thereby stably fixing the protective cover 9 on the outer cover 5, that is, locking the protective cover 9; when the protective cover 9 needs to be opened, the toggle member 12 can be toggled toward the first mounting portion 51, and the toggle member 12 drives the locking member 10 to move toward the first mounting portion 51, and finally the locking member 10 is disengaged from the second auxiliary through hole of the second mounting portion 91 of the protective cover 9, thereby unlocking the protective cover 9, and then the protective cover 9 can be opened, so that the joint 8 is exposed, which is convenient for connecting the hydrogen charging equipment, etc., thereby improving the convenience of operation.

[0075] In this embodiment, preferably, Figure 5 、 Figure 7 and Figure 8 As shown, the first elastic buffer member 4 is connected to the inner cover 3 by gluing.

[0076] According to the structure described above, the first elastic buffer member 4 is distributed on the outer surface of the inner cover 3, and then easily abuts against the inner surface of the outer cover 5, thereby playing a better vibration reduction role.

[0077] Of course, the connection method between the first elastic buffer member 4 and the inner cover 3 is not limited to this, and they can also be connected by hot melting.

[0078] In this embodiment, preferably, Figure 5 、 Figure 7 and Figure 8 As shown, the inner cover 3 is formed with an inserting groove, the first elastic buffer member 4 is formed with an inserting protrusion, and the inserting protrusion is inserted into the inserting groove.

[0079] According to the structure described above, it can be seen that the first elastic buffer member 4 and the inner cover 3 are installed more stably and firmly through the cooperation between the plug-in protrusion and the plug-in groove.

[0080] It should be noted that the plug-in protrusion and the plug-in matching structure can coexist with the aforementioned first elastic buffer member 4 and the inner cover 3 gluing connection structure, or they can exist separately, depending on actual needs. In addition, the plug-in protrusion and the plug-in groove structure can also be omitted.

[0081] In addition, it should be noted that: it is not limited to connecting the first elastic buffer member 4 to the inner cover 3 or the first elastic buffer member 4 to the outer cover 5, and the specific selection is based on actual needs.

[0082] In this embodiment, preferably, Figure 8As shown, the inner cover 3 includes a main cover body 31 and a snap-on flange 32 ; wherein the main cover body 31 is a cap-shaped structure with a hollow interior and an open end along its height direction, and the snap-on flange 32 is arranged on the inner side of the open end of the main cover body 31 .

[0083] According to the structure described above, the main cover body 31 can be covered on the outside of the inner cover 3 to protect the inner cover 3, and the snap-fit ​​flange 32 can be snapped onto the side wall of the hydrogen storage container 1 to fix the inner cover 3.

[0084] Furthermore, preferably, the snap-fit ​​flange 32 and the main cover body 31 are an integrated structure, but of course, it is not limited thereto.

[0085] Furthermore, preferably, the main cover body 31 may be a round cap structure, but of course, it is not limited thereto and may also be a square cap, etc.

[0086] In this embodiment, preferably, Figure 5 As shown, the outer cover 5 is a cap-shaped structure with a hollow interior and an open end along its height direction, which can be covered on the outside of the inner cover 3 and has a simple structure and is easy to process and manufacture.

[0087] Furthermore, preferably, the outer cover 5 may be a round cap structure, but of course, it is not limited thereto and may also be a square cap or the like.

[0088] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A hydrogen storage device, characterized in that: include: A hydrogen storage container, a valve, an inner cover, a first elastic buffer member and an outer cover; wherein the hydrogen storage container is formed with a container opening, and the valve is installed at the container opening; the inner cover is arranged on the outside of the valve and is snap-connected with the hydrogen storage container; the outer cover is arranged on the outside of the inner cover, and the first elastic buffer member is arranged between the two.

2. The hydrogen storage device according to claim 1, characterized in that The hydrogen storage device further includes a second elastic buffer member. The valve is formed with a support portion. The second elastic buffer member is connected to the support portion, and the second elastic buffer member abuts against the inner surface of the inner cover.

3. The hydrogen storage device according to claim 2, characterized in that The second elastic buffer member is slidably connected to the support portion.

4. The hydrogen storage device according to claim 3, characterized in that An annular guide rail extending along the outer circumference of the support portion is formed on a side portion of the support portion, a sliding groove is formed on a side portion of the second elastic buffer member, and the sliding groove is slidably connected to the guide rail.

5. The hydrogen storage device according to claim 2, characterized in that: There are multiple second elastic buffer members, which are sequentially arranged along the outer circumference of the support portion; and / or The second elastic buffer member abuts against the inner surface of the top of the inner cover along the height direction of the inner cover; and / or The second elastic buffer member is made of rubber; and / or The support portion is made of rubber.

6. The hydrogen storage device according to claim 1, characterized in that The hydrogen storage device further includes a connector, one end of which is connected to the outlet end of the valve, the inner cover is formed with a mounting through hole, and the other end of the connector passes through the mounting through hole and extends to the outside of the inner cover.

7. The hydrogen storage device according to claim 6, characterized in that The outer cover is formed with a through-hole, and an end of the connector away from the valve extends into the through-hole; The hydrogen storage device further includes a protective cover, which is arranged outside the outer cover and can be arranged to cover the outside of the port and the end of the joint.

8. The hydrogen storage device according to claim 7, characterized in that One side of the protective cover is rotatably connected to the outer cover, and the other opposite side of the protective cover is detachably connected to the outer cover.

9. The hydrogen storage device according to claim 8, characterized in that The hydrogen storage device further includes a locking member, a spring, and a toggle member; wherein a first mounting portion is formed on an outer wall of the outer cover, and the locking member is movably inserted into a first auxiliary through-hole of the first mounting portion; the toggle member is fixedly connected to the locking member, and the spring is movably sleeved on the locking member, and the spring is located between the toggle member and the first mounting portion; The protective cover is formed with a second mounting portion, the second mounting portion is formed with a second auxiliary through hole, the locking member can be inserted into the second auxiliary through hole, and the toggle member can abut against the bottom surface of the second mounting portion close to the first mounting portion.

10. The hydrogen storage device according to claim 6, characterized in that: The joint is adapted to the mounting through hole of the inner cover.

11. The hydrogen storage device according to any one of claims 1 to 10, characterized in that: The first elastic buffer member is connected to the inner cover or the outer cover by gluing; and / or The inner cover or the outer cover is formed with an inserting groove, the first elastic buffer member is formed with an inserting protrusion, and the inserting protrusion is inserted into the inserting groove; and / or The inner cover comprises a main cover body and a snap-fit ​​flange; wherein the main cover body is a cap-shaped structure with a hollow interior and an open end along its height direction, and the snap-fit ​​flange is provided on the inner side of the open end of the main cover body; and / or The outer cover is a cap-shaped structure with a hollow interior and an open end along its height direction; and / or There are multiple first elastic buffer members, which are evenly distributed; and / or The first elastic buffer component is made of rubber.

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