Electric pile assembly structure of hydrogen fuel cell

Abstract

The utility model provides a hydrogen fuel cell stack assembly structure, which relates to the technical field of hydrogen fuel cell automobiles, and comprises a stack shell, at least one fuel cell stack, at least one fuel cell stack, at least one fuel cell stack, at least one fuel cell stack, at least one fuel cell stack and at least one fuel cell stack, each assembling support comprises an inner support, an outer support and at least one fastening bolt, a hanging lug is arranged on the outer side of the top of the inner support, at least one fixing nut is arranged in the middle of the inner support, the inner support is inserted into the mounting groove so that the hanging lug can be hung on the top of the outer side face of the mounting groove, and the outer support is located on the outer side of the mounting groove. The outer support is provided with at least one positioning hole, the positioning holes, the mounting holes and the fixing nuts are aligned, and each fastening bolt sequentially penetrates through the corresponding positioning hole and the corresponding mounting hole and is connected with the corresponding fixing nut in a fastened mode. The utility model has the beneficial effects that the mounting is simple and quick, and the assembly efficiency of the hydrogen fuel cell is improved; and the hydrogen fuel cell stack is simple and convenient to disassemble and convenient to overhaul.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen fuel cell automobile technical field especially relates to a hydrogen fuel cell stack assembly structure. BACKGROUND

[0002] Hydrogen fuel cell automobile is a kind of electric vehicle with hydrogen as main energy source, hydrogen and oxygen are combined to generate electric energy by hydrogen fuel cell, and then drive motor to run, power supply provides power for whole vehicle, with zero carbon emission, high energy conversion rate, low temperature adaptability and other advantages.Good existing hydrogen fuel cell of hydrogen fuel cell automobile is mostly fixed installation on automobile frame by using electric pile support, and electric pile support is connected hydrogen fuel cell by bolt, but some hydrogen fuel cell surface cannot be provided with threaded mounting hole, and nut and bolt cooperation is needed to realize connection, since the installation space between hydrogen fuel cell and electric pile support is narrow, it is difficult to place nut to accurate position, leading to hydrogen fuel cell assembly difficulty, affect the assembly efficiency of hydrogen fuel cell.In addition, when hydrogen fuel cell needs to be disassembled due to fault, it is difficult to disassemble, and it is inconvenient to maintain and replace. SUMMARY

[0003] Therefore, in order to solve the above-mentioned assembly and disassembly problems of hydrogen fuel cell, the embodiment of the utility model provides a hydrogen fuel cell stack assembly structure.

[0004] The embodiment of the utility model provides a hydrogen fuel cell stack assembly structure, comprising:

[0005] The electric pile shell is provided with an installation groove on the side surface, and the outer side of the installation groove is provided with at least one installation hole arranged through;

[0006] And at least one assembly support, each assembly support comprises an inner support, an outer support and at least one fastening bolt, the outer side of the top of the inner support is provided with a lug, at least one fixed nut is arranged in the middle of the inner support, the lug is hung on the top of the outer side of the installation groove when the inner support is inserted into the installation groove, the outer support is located on the outer side of the installation groove, the outer support is provided with at least one positioning hole, the positioning hole, the installation hole and the fixed nut are aligned, and each fastening bolt passes through the positioning hole, the installation hole and is fastened with the fixed nut in sequence.

[0007] Further, the inner support is a Y-shaped plate, the outer side surface of the Y-shaped plate is attached to the outer side surface of the installation groove, and the upper end of the Y-shaped plate is bent outward to form two lugs.

[0008] Further, the side of the stack shell is provided with a rectangular hanging plate, two ends of the hanging plate are fixedly connected with the side of the stack shell, the middle part of the hanging plate is separated from the side of the stack shell to form the mounting groove, the inner support is attached to the inner side of the hanging plate, and the lug hangs on the upper end of the hanging plate.

[0009] Further, the lug is in U shape, and the width of the lug is the same as the thickness of the hanging plate.

[0010] Further, the inner support is provided with a through hole, and the fixed nut is arranged on the inner side of the inner support and located at the inner end of the through hole.

[0011] Further, the outer support comprises a base and a side plate, the lower end of the side plate is fixedly connected with the base, the side plate is attached to the outer side of the mounting groove, and the positioning hole penetrates the side plate.

[0012] Further, the positioning hole is a long hole.

[0013] Further, the positioning hole is a counterbore.

[0014] Further, the part of the side plate close to the lug is provided with an avoiding opening.

[0015] Further, the shape of the stack shell is a cuboid, the number of the assembly supports is four, and the four assembly supports are arranged at four corners of the stack shell.

[0016] The technical scheme provided by the embodiment of the utility model has the beneficial effects that:

[0017] 1. The hydrogen fuel cell stack assembly structure integrates the fixed nut on the inner support, places the inner support in the mounting groove on the stack shell, and realizes accurate positioning of the fixed nut through suspension installation of the inner support and the mounting groove, so that the fixed nut is aligned with the mounting hole on the mounting groove and the positioning hole on the outer support, the fastening bolt is tightened on the outer side of the outer support, the fastening bolt passes through the positioning hole and the mounting hole and is threadedly connected with the fixed nut, the assembly and fixation of the hydrogen fuel cell stack are realized, the installation is simple and fast, and the assembly efficiency of the hydrogen fuel cell is improved.

[0018] 2. When the assembled hydrogen fuel cell stack fails, the fastening bolt can be separated from the fixed nut by loosening the fastening bolt on the outer side of the outer support, the hydrogen fuel cell is disassembled, the disassembly and replacement of the hydrogen fuel cell stack are realized, the disassembly is simple and convenient, and the hydrogen fuel cell stack is convenient for maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1is a schematic diagram of a hydrogen fuel cell stack assembly structure of the utility model;

[0020] Figure 2 is a partial schematic diagram of a hydrogen fuel cell stack assembly structure of the utility model;

[0021] Figure 3 is a schematic diagram of the inner side of the inner support;

[0022] Figure 4 is a schematic diagram of the inner side of the inner support;

[0023] Figure 5 is a schematic diagram of the outer support.

[0024] In the drawing: 1, stack shell; 101, mounting groove; 102, hanging plate; 2, assembly support; 201, inner support; 202, hanging lug; 203, fixing nut; 204, outer support; 205, positioning hole; 206, through hole; 207, side plate; 208, base; 209, avoiding opening; 210, fixing hole. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will combine the drawings to make further description on the utility model implementation. The following introduction is a better one of multiple possible embodiments of the utility model, which aims to provide a basic understanding of the utility model, but does not aim to confirm the key or decisive elements of the utility model or limit the scope of protection.

[0026] In all examples shown and discussed herein, any specific values should be interpreted as merely illustrative and not as a limitation. Thus, other examples of example embodiments can have different values.

[0027] The technology, method and equipment known to those skilled in the relevant art can not be discussed in detail, but should be regarded as part of the specification when appropriate.

[0028] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be discussed further in the subsequent drawings. At the same time, it should be understood that, in order to facilitate the description, the size of each part shown in the drawings is not drawn according to the actual proportional relationship.

[0029] It should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be direct connection, or indirect connection through intermediate medium, or internal connection of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0030] Please refer to Figure 1 The embodiment of the utility model provides a kind of hydrogen fuel cell stack assembly structure, in the embodiment, the hydrogen fuel cell stack assembly structure is used for the hydrogen fuel cell assembly of fuel cell hydrogen energy automobile, mainly including stack shell 1, and at least one described assembly support 2.

[0031] The side of the stack shell 1 is provided with a mounting groove 101, and the outer side of the mounting groove 101 is provided with at least one mounting hole. The mounting groove 101 is generally a rectangular groove, vertically arranged. As in the present embodiment, the side of the stack shell 1 is provided with a rectangular hanging plate 102, the two ends of the hanging plate 102 are fixedly connected with the side of the stack shell 1, and the middle part of the hanging plate 102 is separated from the side of the stack shell 1 to form the mounting groove 101. The mounting hole is generally horizontally arranged and penetrates the hanging plate 102.

[0032] As shown in Figure 2 Each of the assembly supports 2 includes an inner support 201 and an outer support 204 and at least one fastening bolt, the inner support 201 is arranged in the mounting groove 101, the outer support 204 is arranged outside the mounting groove 101, and the fastening bolt connects the inner support 201 and the outer support 204.

[0033] As shown in Figure 3 And 4 The top outer side of the inner support 201 is provided with a hanging ear 202, and the middle part of the inner support 201 is provided with at least one fixing nut 203. The inner support 201 is inserted into the mounting groove 101 so that the hanging ear 202 hangs on the top of the outer side of the mounting groove 101, and the outer support 204 is located outside the mounting groove 101.

[0034] The number of hanging ears 202 can be set to multiple, and multiple hanging ears 202 are arranged on the same horizontal line. When the inner support 201 is attached to the inner side of the hanging plate 102, all the hanging ears 202 hang on the upper end of the hanging plate 102 at the same time. As in the present embodiment, the inner support 201 is a Y-shaped plate, the outer side of the Y-shaped plate is attached to the outer side of the mounting groove 101, and the upper end of the Y-shaped plate is bent outward to form two hanging ears 202.

[0035] In order to make the hanging lug 202 can be stable hanging on the upper end of the blade, in some embodiments, the hanging lug 202 is U-shaped, the width of the hanging lug 202 is approximately the same as the thickness of the hanging plate 102, the hanging lug 202 can be stable hanging on the upper end of the blade, and can be adjusted in position along the upper end of the blade.

[0036] The fixing nut 203 is specifically fixed to the inner side of the inner support 201. In some embodiments, the inner support 201 is provided with a through hole 206, the fixing nut 203 is arranged on the inner side of the inner support 201 and located at the inner end of the through hole 206, the inner hole of the fixing nut 203 is coaxially arranged with the through hole 206, and the fixing nut 203 and the outer side of the inner support 201 are connected by welding.

[0037] As shown in Figure 5 The outer support 204 is arranged outside the stack case 1, the positioning hole 205, the mounting hole and the fixing nut 203 are aligned, and the fastening bolts are arranged on the outer support 204, each of the fastening bolts passes through the positioning hole 205, the mounting hole and is fastened with the fixing nut 203 in sequence.

[0038] Specifically, the outer support 204 includes a base 208 and a side plate 207, the lower end of the side plate 207 is fixedly connected with the base 208, the side plate 207 is attached to the outer side of the mounting groove 101, the positioning hole 205 penetrates the side plate 207, and the fastening bolt penetrates the positioning hole 205 and the mounting hole and is fastened with the fixing nut 203, so that the side plate 207 and the inner support 201 are pulled tight, and the fastening connection between the outer support 204 and the stack case 1 is realized.

[0039] The part of the side plate 207 close to the hanging lug 202 is provided with a avoiding opening 209, both ends of the side plate 207 are provided with the avoiding opening 209 in this embodiment, the avoiding opening 209 is a rectangular notch, the parts of the two hanging lugs 202 protruding from the outer side of the hanging plate 102 are respectively accommodated in the two avoiding openings 209, so that the middle part of the side plate 207 can be attached to the outer side of the hanging plate 102.

[0040] In some embodiments, the positioning hole 205 is a long hole, such as an oblong hole, so as to facilitate the alignment of the fastening bolt with the mounting hole and the connection with the fixing nut 203. Moreover, the positioning hole 205 can also be provided as a counterbore, and after the fastening bolt is tightened with the fixing nut 203, the head of the fastening bolt is sunk into the counterbore, so that the surface of the side plate 207 is flat.

[0041] The base 208 of the outer support 204 is provided with at least one fixing hole 210, and the outer support 204 is fixed on the vehicle frame by arranging a fixing bolt in the fixing hole 210 and connecting the fixing bolt with the vehicle frame, so that the hydrogen fuel cell stack is assembled on the vehicle frame.

[0042] It should be noted that the number of the fastening bolts in each assembly support 2 can be flexibly set to one or more according to the actual application scene, and when the number of the fastening bolts is set to be multiple, the number of the corresponding positioning holes 205, the mounting holes and the fixing nuts 203 is the same as that of the fastening bolts.

[0043] In addition, the number of the assembly supports 2 can be set to be multiple according to the specification of the stack shell 1, for example, in the embodiment, the shape of the stack shell 1 is a cuboid, and the number of the assembly supports 2 is set to be four, and the four assembly supports 2 are arranged at the four corners of the stack shell 1 respectively, and the four assembly supports 2 fix the four corners of the stack shell 1 respectively.

[0044] The hydrogen fuel cell stack assembly structure can quickly assemble the hydrogen fuel cell stack on the vehicle frame:

[0045] First, each assembly support 2 is installed on the hydrogen fuel cell stack: the inner support 201 is placed in the mounting groove 101 of the stack shell 1, the lug 202 is hung on the upper end of the hanging plate 102, the inner support 201 is attached to the inner side of the hanging plate 102, the fixing nut 203 is aligned with the mounting hole, then the side plate 207 of the outer support 204 is attached to the outer side of the hanging plate 102, the positioning hole 205 is aligned with the mounting hole, finally the fastening bolt is inserted into the positioning hole 205, the mounting hole and the fixing nut 203 is threadedly connected, and the hanging plate 102 and the outer support 204 are locked and fixed by tightening the fastening bolt, thereby achieving the installation of each assembly support 2; then the outer support 204 of each assembly support 2 is installed on the vehicle frame: each outer support 204 is supported on the vehicle frame by the base 208, a fixing bolt is arranged at the fixing hole 210 on the base 208, and the fixing bolt is fixedly connected with the vehicle frame, thereby achieving the assembly of the hydrogen fuel cell stack.

[0046] When it is necessary to disassemble the assembled hydrogen fuel cell stack, only the fastening bolts need to be loosened, the outer support 204 of each assembly support 2 is separated from the hanging plate 102, and then the hydrogen fuel cell stack can be disassembled and removed.

[0047] In this article, the front, back, up, down and other orientation words are defined with the position of the parts in the drawing and the position of the parts relative to each other in the drawing, just to express the technical solution clearly and conveniently. It should be understood that they are relative concepts, which can be changed accordingly according to different ways of use and placement, and the use of the orientation words should not limit the scope of the application.

[0048] In the case of no conflict, the above-mentioned embodiments and features in the embodiments can be combined with each other. The above description is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A hydrogen fuel cell stack assembly structure, characterized in that, include: The fuel cell stack housing has a mounting groove on its side, and at least one through mounting hole is provided on the outer side of the mounting groove; And at least one mounting bracket, each of the mounting brackets including an inner bracket and an outer bracket and at least one fastening bolt, the inner bracket having a hanging lug on the outer side of its top, and at least one fixing nut in the middle of the inner bracket, the inner bracket being inserted into the mounting groove so that the hanging lug hooks onto the top of the outer side of the mounting groove, the outer bracket being located outside the mounting groove, the outer bracket having at least one positioning hole, the positioning hole, the mounting hole and the fixing nut being aligned, and each of the fastening bolts passing through the positioning hole and the mounting hole in sequence and being fastened to the fixing nut.

2. The hydrogen fuel cell stack assembly structure as described in claim 1, characterized in that: The inner support is a Y-shaped plate, the outer side of the Y-shaped plate is attached to the outer side of the mounting groove, and the upper end of the Y-shaped plate is bent outward to form two hanging ears.

3. The hydrogen fuel cell stack assembly structure as described in claim 2, characterized in that: The side of the fuel cell stack housing is provided with a rectangular mounting plate. The two ends of the mounting plate are fixedly connected to the side of the fuel cell stack housing. The middle part of the mounting plate is separated from the side of the fuel cell stack housing to form the mounting groove. The inner bracket fits against the inner side of the mounting plate, and the hanging ear hangs on the upper end of the mounting plate.

4. The hydrogen fuel cell stack assembly structure as described in claim 3, characterized in that: The hanging ear is U-shaped, and the width of the hanging ear is the same as the thickness of the hanging plate.

5. The hydrogen fuel cell stack assembly structure as described in claim 2, characterized in that: The inner support has a through hole, and the fixing nut is located on the inner side of the inner support and at the inner end of the through hole.

6. The hydrogen fuel cell stack assembly structure as described in claim 1, characterized in that: The outer bracket includes a base and a side plate. The lower end of the side plate is fixedly connected to the base. The side plate fits against the outer side of the mounting groove. The positioning hole passes through the side plate.

7. The hydrogen fuel cell stack assembly structure as described in claim 1, characterized in that: The positioning hole is an elongated hole.

8. The hydrogen fuel cell stack assembly structure as described in claim 1, characterized in that: The positioning hole is a countersunk hole.

9. The hydrogen fuel cell stack assembly structure as described in claim 6, characterized in that: The side panel has a clearance opening near the ear loop.

10. A hydrogen fuel cell stack assembly structure as described in any one of claims 1-9, characterized in that: The fuel cell stack housing is rectangular in shape, and the number of the assembly brackets is set to four, with the four assembly brackets respectively located at the four corners of the fuel cell stack housing.

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