Battery module frame and battery module

Abstract

The utility model relates to the technical field of batteries, and discloses a battery module frame and a battery module, the battery module frame comprises a first end plate, a second end plate, a first side frame, a second side frame, a first fastener and a second fastener, and the first end plate, the first side frame, the second end plate and the second side frame are sequentially connected to form a cuboid inner cavity for placing a battery cell. The first side frame, the first end plate and the second side frame are connected through a first fastener; the first side frame, the second end plate and the second side frame are connected through a second fastener. After a plurality of battery cells are placed in the cuboid inner cavity, the large surfaces of the adjacent battery cells are connected, the outer large surfaces of the battery cells at the head end and the tail end respectively abut against the first end plate and the second end plate, and the two side edges of each battery cell respectively abut against the first side frame and the second side frame, so that the effect of fixing the battery cells is achieved. Compared with the mode that the battery cells are fixed through bandages, the fixing strength of the battery module frame is higher. And the fixing strength of the whole battery module frame is further improved by the first fastening piece and the second fastening piece.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a battery module frame and a battery module. Background Art

[0002] A battery module is a unit composed of multiple battery cells (single cells) connected in series or parallel, designed to provide higher voltage and capacity to meet the power requirements of specific applications.

[0003] In existing battery modules, multiple battery cells are fixed together by straps, but the fixing strength is poor. Utility Model Content

[0004] In view of this, the present application provides a battery module frame and a battery module to solve the problem of poor fixing strength when multiple battery cells are fixed together by straps.

[0005] In a first aspect, the present application provides a battery module frame, comprising: a first end plate, a second end plate, a first side frame, a second side frame, a first fastener, and a second fastener, wherein the first end plate, the first side frame, the second end plate, and the second side frame are sequentially connected to form a rectangular inner cavity for placing a battery cell, wherein:

[0006] The first side frame, the first end plate, and the second side frame are connected by the first fastener; the first side frame, the second end plate, and the second side frame are connected by the second fastener.

[0007] Optionally, the first side frame is provided with a first through hole and a second through hole, the second side frame is provided with a third through hole and a fourth through hole, the first end plate is provided with a first through hole passing through both ends, the second end plate is provided with a second through hole passing through both ends, the first fastener is provided through the first through hole, the first through hole and the fourth through hole in sequence, and the second fastener is provided through the second through hole, the second through hole and the third through hole in sequence.

[0008] Optionally, a third fastener, a fourth fastener, a fifth fastener and a sixth fastener are further included, and the first side frame is provided with a first flange and a second flange at both ends, and a third flange and a fourth flange at both ends, wherein:

[0009] The first flange is in contact with the side surface of the first end plate and is connected via the third fastener, the second flange is in contact with the side surface of the second end plate and is connected via the fourth fastener, the third flange is in contact with the side surface of the second end plate and is connected via the fifth fastener, and the fourth flange is in contact with the side surface of the first end plate and is connected via the sixth fastener.

[0010] Optionally, a first fastening hole and a second fastening hole are provided on the side surface of the first end plate, a third fastening hole and a fourth fastening hole are provided on the side surface of the second end plate, a fifth through hole is provided on the first flange, a sixth through hole is provided on the second flange, a seventh through hole is provided on the third flange, and an eighth through hole is provided on the fourth flange. The third fastener passes through the fifth through hole and is inserted into the first fastening hole, the fourth fastener passes through the sixth through hole and is inserted into the third fastening hole, the fifth fastener passes through the seventh through hole and is inserted into the fourth fastening hole, and the sixth fastener passes through the eighth through hole and is inserted into the second fastening hole.

[0011] Optionally, a fifth flange is provided on the bottom side of the first side frame, and the bottom surfaces of the first end plate and the second end plate are both fitted with the fifth flange; a sixth flange is provided on the bottom side of the second side frame, and the bottom surfaces of the first end plate and the second end plate are both fitted with the sixth flange.

[0012] Optionally, it further includes a first reinforcing plate and a second reinforcing plate, and the first flange and the fourth flange are connected through the first reinforcing plate; the second flange and the third flange are connected through the second reinforcing plate.

[0013] Optionally, the first reinforcing plate, the first flange and the first end plate are connected by the third fastener, the second reinforcing plate, the second flange and the second end plate are connected by the fourth fastener, the second reinforcing plate, the third flange and the second end plate are connected by the fifth fastener, and the first reinforcing plate, the fourth flange and the first end plate are connected by the sixth fastener.

[0014] Optionally, hooks are provided on both the first reinforcement plate and the second reinforcement plate.

[0015] Optionally, a seventh flange is provided on the top side of the first side frame, and the seventh flange is fitted with the side surface of the first side frame; an eighth flange is provided on the top side of the second side frame, and the eighth flange is fitted with the side surface of the second side frame.

[0016] In a second aspect, the present application also provides a battery module, comprising: any of the battery module frames described above.

[0017] The present application provides a battery module frame, comprising a first end plate, a second end plate, a first side frame, a second side frame, a first fastener, and a second fastener. The two end surfaces of the first end plate are respectively connected to the inner wall of the first end of the first side frame and the inner wall of the first end of the second side frame, and the two end surfaces of the second end plate are respectively connected to the inner wall of the second end of the first side frame and the inner wall of the second end of the second side frame. The first side frame, the first end plate, and the second side frame are connected together by a first fastener, and the first side frame, the second end plate, and the second side frame are connected together by a second fastener. Thus, the first end plate, the first side frame, the second end plate, and the second side frame are sequentially connected to form a rectangular inner cavity. After multiple battery cells are placed in the rectangular inner cavity, the large surfaces of adjacent battery cells are connected, the outer large surfaces of the battery cells at the head and tail ends abut against the first end plate and the second end plate, respectively, and the side edges of each battery cell abut against the first side frame and the second side frame, respectively, to achieve the purpose of fixing the battery cells. Compared with using straps to fix each battery cell, the use of this battery module frame has a higher fixing strength. The first fastener connects the first side frame, the first end plate and the second side frame together, and the second fastener connects the first side frame, the second end plate and the second side frame together, further increasing the fixing strength of the entire battery module frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of this application or the technical solutions in related technologies, the following is a brief introduction to the drawings required for use in the specific implementation methods or related technical descriptions. Obviously, the drawings described below are some implementation methods of this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0019] Figure 1 A first perspective isometric view of a battery module frame according to an embodiment of the present application;

[0020] Figure 2 A second perspective isometric view of a battery module frame according to an embodiment of the present application;

[0021] Figure 3 This is a schematic structural diagram of a first end plate of a battery module frame according to an embodiment of the present application;

[0022] Figure 4 This is a schematic diagram of the first side frame structure of a battery module frame according to an embodiment of the present application;

[0023] Figure 5 This is a schematic structural diagram of a first reinforcing plate of a battery module frame according to an embodiment of the present application;

[0024] Figure 6 This is a schematic structural diagram of a second end plate of a battery module frame according to an embodiment of the present application;

[0025] Figure 7 This is a schematic diagram of the second side frame structure of a battery module frame according to an embodiment of the present application;

[0026] Figure 8 This is a schematic structural diagram of a second reinforcing plate of a battery module frame according to an embodiment of the present application;

[0027] Figure 9 This is a schematic diagram of a seventh flange structure of a battery module frame according to an embodiment of the present application;

[0028] Figure 10 This is a schematic diagram of the eighth flange structure of a battery module frame according to an embodiment of the present application.

[0029] Description of reference numerals:

[0030] 1. First end plate; 2. Second end plate; 3. First side frame; 4. Second side frame; 5. First fastener; 6. Second fastener; 7. First through hole; 8. Second through hole; 9. First through hole; 10. Second through hole; 11. Third through hole; 12. Fourth through hole; 13. Third fastener; 14. Fourth fastener; 15. Fifth fastener; 16. Sixth fastener; 17. First flange; 18. Second flange; 19. Third flange; 20. Fourth flange; 21. First fastening hole; 22. Second fastening hole Hole; 23, third fastening hole; 24, fourth fastening hole; 25, fifth through hole; 26, sixth through hole; 27, seventh through hole; 28, eighth through hole; 29, first buffer slot; 30, second buffer slot; 31, third buffer slot; 32, fourth buffer slot; 33, fifth flange; 34, sixth flange; 35, first reinforcing plate; 36, second reinforcing plate; 37, first through hole; 38, second through hole; 39, third through hole; 40, fourth through hole; 41, hook; 42, seventh flange; 43, eighth flange. DETAILED DESCRIPTION

[0031] To make the purpose, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of this application.

[0032] The following combination Figures 1 to 10 , describing the embodiments of the present application.

[0033] According to an embodiment of the present application, on the one hand, Figure 1 and Figure 2As shown, a battery module frame is provided, including a first end plate 1, a second end plate 2, a first side frame 3, a second side frame 4, a first fastener 5, and a second fastener 6. The two end surfaces of the first end plate 1 are respectively connected to the inner wall of the first end of the first side frame 3 and the inner wall of the first end of the second side frame 4, and the two end surfaces of the second end plate 2 are respectively connected to the inner wall of the second end of the first side frame 3 and the inner wall of the second end of the second side frame 4. The first side frame 3, the first end plate 1, and the second side frame 4 are connected together by the first fastener 5, and the first side frame 3, the second end plate 2, and the second side frame 4 are connected together by the second fastener 6. Thus, the first end plate 1, the first side frame 3, the second end plate 2, and the second side frame 4 are sequentially connected to form a rectangular inner cavity, and the rectangular inner cavity is used to place the battery cells.

[0034] After multiple battery cells are placed within the cuboid cavity, the large surfaces of adjacent battery cells are connected, and the outer large surfaces of the battery cells at the head and tail ends abut against the first end plate 1 and the second end plate 2, respectively. The side edges of each battery cell abut against the first side frame 3 and the second side frame 4, respectively, to secure the battery cells. Compared to using straps to secure the battery cells, using this battery module frame provides greater fixing strength. Furthermore, the first fastener 5 connects the first side frame 3, the first end plate 1, and the second side frame 4, while the second fastener 6 connects the first side frame 3, the second end plate 2, and the second side frame 4, further increasing the fixing strength of the entire battery module frame.

[0035] In an optional embodiment, if Figure 2 and Figure 6 As shown, the first side frame 3 is provided with a first through hole 7 and a second through hole 8, which extend through both sides. The first through hole 7 and the second through hole 8 are located at both ends of the first side frame 3. The first end plate 1 is provided with a first through hole 9, which extends through both ends of the first end plate 1. The second side frame 4 is provided with a third through hole 11 and a fourth through hole 12, which extend through both sides. The third through hole 11 and the fourth through hole 12 are located at both ends of the second side frame 4. The second end plate 2 is provided with a second through hole 10, which extends through both ends of the second end plate 2.

[0036] After the two end surfaces of the first end plate 1 are respectively abutted against the inner wall of the first end of the first side frame 3 and the inner wall of the first end of the second side frame 4, the first through hole 7, the first through hole 9, and the fourth through hole 12 are coaxially aligned. The first fastener 5 is a bolt. The first fastener 5 is passed through the first through hole 7, the first through hole 9, and the fourth through hole 12 in sequence and then tightened with a nut. The first fastener 5 is then used to connect the first side frame 3, the first end plate 1, and the second side frame 4 together.

[0037] After the two end surfaces of the second end plate 2 are respectively abutted against the inner walls of the second end of the first side frame 3 and the inner walls of the second end of the second side frame 4, the second through hole 8, the second through hole 10, and the third through hole 11 are coaxially aligned. The second fastener 6 is a bolt. The second fastener 6 is passed through the second through hole 8, the second through hole 10, and the third through hole 11 in sequence and then tightened with a nut. This connects the first side frame 3, the second end plate 2, and the second side frame 4 together using the second fastener 6.

[0038] Among them Figure 1 and 2 As shown, two of each of the first through hole 7, the second through hole 8, the third through hole 11, the fourth through hole 12, the first through hole 9, and the second through hole 10 can be provided. Correspondingly, two of each of the first fastener 5 and the second fastener 6 can also be provided. The first fastener 5 and the second fastener 6 can also be studs.

[0039] In one embodiment, Figures 1 to 7 As shown, the battery module frame further includes a third fastener 13, a fourth fastener 14, a fifth fastener 15, and a sixth fastener 16. A first flange 17 and a second flange 18 are provided at both ends of the first side frame 3, and a third flange 19 and a fourth flange 20 are provided at both ends of the second side frame 4.

[0040] After the two end surfaces of the first end plate 1 are respectively butted against the inner wall of the first end of the first side frame 3 and the inner wall of the first end of the second side frame 4, the first flange 17 is fitted against the side surface of the first end plate 1, and the fourth flange 20 is fitted against the side surface of the first end plate 1. The first flange 17 and the first end plate 1 are connected together using the third fastener 13, and the fourth flange 20 is connected together with the first end plate 1 using the sixth fastener 16. After the two end surfaces of the second end plate 2 are respectively butted against the inner wall of the second end of the first side frame 3 and the inner wall of the second end of the second side frame 4, the second flange 18 is fitted against the side surface of the second end plate 2, and the third flange 19 is fitted against the side surface of the second end plate 2. The second flange 18 and the second end plate 2 are connected together using the fourth fastener 14, and the third flange 19 is connected together with the second end plate 2 using the fifth fastener 15.

[0041] As configured above, the third fastener 13 , the fourth fastener 14 , the fifth fastener 15 and the sixth fastener 16 are used to further reinforce the battery module frame, thereby increasing the stability of the battery module frame.

[0042] In an optional embodiment, if Figure 3 and Figure 6As shown, a first fastening hole 21 and a second fastening hole 22 are provided on the side of the first end plate 1, and the first fastening hole 21 and the second fastening hole 22 are respectively located at the two ends of the first end plate 1. A third fastening hole 23 and a fourth fastening hole 24 are provided on the side of the second end plate 2, and the third fastening hole 23 and the fourth fastening hole 24 are respectively located at the two ends of the second end plate 2. The first fastening hole 21, the second fastening hole 22, the third fastening hole 23, and the fourth fastening hole 24 are threaded holes, and the number of each fastening hole can be one or more. The third fastener 13, the fourth fastener 14, the fifth fastener 15, and the sixth fastener 16 are bolts, and the number of each fastener matches the number of each fastening hole.

[0043] A fifth through hole 25 is provided on the first flange 17. After the first flange 17 is fitted with the side surface of the first end plate 1, the fifth through hole 25 is aligned with the first fastening hole 21. The third fastener 13 is passed through the fifth through hole 25 and then screwed into the first fastening hole 21, so that the third fastener 13 connects the first flange 17 and the first end plate 1 together.

[0044] A sixth through hole 26 is provided on the second flange 18. After the second flange 18 is fitted with the side surface of the second end plate 2, the sixth through hole 26 is aligned with the third fastening hole 23. The fourth fastener 14 is passed through the sixth through hole 26 and then screwed into the third fastening hole 23, so that the fourth fastener 14 connects the second flange 18 and the second end plate 2 together.

[0045] A seventh through hole 27 is provided on the third flange 19. After the third flange 19 is fitted with the side surface of the second end plate 2, the seventh through hole 27 is aligned with the fourth fastening hole 24. The fifth fastener 15 is passed through the seventh through hole 27 and then screwed into the fourth fastening hole 24. The nut is tightened at the second end of the fifth fastener 15 to fix it, so that the fifth fastener 15 connects the third flange 19 and the second end plate 2 together.

[0046] An eighth through hole 28 is also provided on the fourth flange 20. After the fourth flange 20 is fitted with the side surface of the first end plate 1, the eighth through hole 28 is aligned with the second fastening hole 22. The fourth fastener 14 is passed through the eighth through hole 28 and then screwed into the second fastening hole 22, so that the fourth fastener 14 connects the fourth flange 20 and the first end plate 1 together.

[0047] In some optional embodiments, such as Figure 4 and Figure 7As shown, the first flange 17 is provided with a first buffer groove 29, which is located next to the fifth through hole 25. The second flange 18 is provided with a second buffer groove 30, which is located next to the sixth through hole 26. The third flange 19 is provided with a third buffer groove 31, which is located next to the seventh through hole 27. The fourth flange 20 is provided with a fourth buffer groove 32, which is located next to the eighth through hole 28. With this arrangement, the first buffer groove 29, the second buffer groove 30, the third buffer groove 31, and the fourth buffer groove 32 enable the first flange 17, the second flange 18, the third flange 19, and the fourth flange 20 to each have a certain degree of deformation capacity.

[0048] In one embodiment, Figure 1 and Figure 2 As shown, a fifth flange 33 is provided on the bottom side of the first side frame 3, and the fifth flange 33 is perpendicular to the side surface of the first side frame 3. After the first end plate 1 and the second end plate 2 are abutted against the side surface of the first side frame 3, the bottom surfaces of the first end plate 1 and the second end plate 2 are both in contact with the fifth flange 33. With this arrangement, the fifth flange 33 serves to support the first end plate 1 and the second end plate 2, making the overall structure more stable. Moreover, after the battery cell is set in the inner cavity of the rectangular parallelepiped, the bottom of the battery cell near the end of the first side frame 3 abuts against the fifth flange 33, and the fifth flange 33 serves to support the battery cell, ensuring stable support for the battery cell near the end of the first side frame 3.

[0049] A sixth flange 34 is provided on the bottom side of the second side frame 4. The sixth flange 34 is perpendicular to the side of the second side frame 4. After the first and second end plates 1 and 2 abut against the side of the second side frame 4, the bottom surfaces of the first and second end plates 1 and 2 align with the sixth flange 34. This arrangement supports the first and second end plates 1 and 2, further stabilizing the overall structure. Furthermore, after the battery cell is placed within the cuboid cavity, the bottom of the cell near the end of the second side frame 4 abuts against the sixth flange 34, supporting the cell and ensuring stable support for the cell near the end of the second side frame 4.

[0050] In one embodiment, Figure 1 、 Figure 2 、 Figure 4 and Figure 7 As shown, the battery module frame further includes a first reinforcing plate 35 and a second reinforcing plate 36. The first reinforcing plate 35 and the second reinforcing plate 36 are respectively arranged at both ends of the battery module frame.

[0051] The first end of the first reinforcing plate 35 is connected to the first flange 17, and the second end of the first reinforcing plate 35 is connected to the fourth flange 20, so that the first flange 17 and the fourth flange 20 are connected through the first reinforcing plate 35. The first reinforcing plate 35 increases the connection stability between the first side frame 3 and the second side frame 4.

[0052] The first end of the second reinforcing plate 36 is connected to the second flange 18, and the second end of the second reinforcing plate 36 is connected to the third flange 19, so that the second flange 18 and the third flange 19 are connected through the second reinforcing plate 36. The second reinforcing plate 36 increases the connection stability between the first side frame 3 and the second side frame 4.

[0053] Furthermore, if Figure 5 and Figure 8 As shown, the first reinforcing plate 35 is provided with a first through-hole 37 and a second through-hole 38, which are respectively located at the two ends of the first reinforcing plate 35. After the first flange 17 is affixed to the side surface of the first end plate 1, the fifth through-hole 25 is aligned with the first fastening hole 21. The first through-hole 37 and the fifth through-hole 25 on the first reinforcing plate 35 are aligned, and then the third fastener 13 is sequentially passed through the first through-hole 37 and the fifth through-hole 25 and then screwed into the first fastening hole 21. As a result, the first reinforcing plate 35, the first flange 17, and the first end plate 1 are connected together via the third fastener 13. After the fourth flange 20 is fitted with the side of the first end plate 1, the eighth through hole 28 is aligned with the second fastening hole 22, the second through hole 38 on the first reinforcing plate 35 is aligned with the eighth through hole 28, and then the sixth fastener 16 is passed through the second through hole 38 and the eighth through hole 28 in sequence and then screwed into the second fastening hole 22, so that the first reinforcing plate 35, the fourth flange 20 and the first end plate 1 are connected together by the sixth fastener 16, further increasing the connection stability between the first side frame 3 and the second side frame 4 and the first end plate 1.

[0054] The second reinforcing plate 36 is provided with a third through-hole 39 and a fourth through-hole 40, respectively located at opposite ends of the second reinforcing plate 36. After the second flange 18 is affixed to the side surface of the second end plate 2, the sixth through-hole 26 is aligned with the third fastening hole 23. The third through-hole 39 and the sixth through-hole 26 of the second reinforcing plate 36 are aligned, and the fourth fastener 14 is sequentially passed through the third through-hole 39 and the sixth through-hole 26 and then screwed into the third fastening hole 23. As a result, the second reinforcing plate 36, the second flange 18, and the second end plate 2 are connected together via the fourth fastener 14. After the third flange 19 is fitted with the side of the second end plate 2, the seventh through hole 27 is aligned with the fourth fastening hole 24, the fourth through hole 40 on the second reinforcing plate 36 is aligned with the seventh through hole 27, and the fifth fastener 15 is passed through the fourth through hole 40 and the seventh through hole 27 in sequence and then screwed into the fourth fastening hole 24, so that the second reinforcing plate 36, the third flange 19 and the second end plate 2 are connected together through the fifth fastener 15, further increasing the connection stability between the first side frame 3 and the second side frame 4 and the second end plate 2.

[0055] As an optional embodiment, hooks 41 are provided on both the first reinforcing plate 35 and the second reinforcing plate 36. When the battery module frame needs to be hoisted, the hooks 41 on the first reinforcing plate 35 and the second reinforcing plate 36 can be respectively hoisted on both sides of the battery module frame, which is more convenient.

[0056] The first reinforcing plate 35 and the second reinforcing plate 36 may each be provided with two hooks 41 .

[0057] In an optional embodiment, if Figure 8 and Figure 9 As shown, a seventh flange 42 is provided on the top side of the first side frame 3. When the seventh flange 42 is formed, it turns 180 degrees to fit the side surface of the first side frame 3. The portion of the top side of the first side frame 3 that fits the seventh flange 42 and the seventh flange 42 together form a double-layer structure, which increases structural strength and prevents bending of the top side of the first side frame 3. An eighth flange 43 is provided on the top side of the second side frame 4. When the eighth flange 43 is formed, it turns 180 degrees to fit the side surface of the second side frame 4. The portion of the top side of the second side frame 4 that fits the eighth flange 43 and the eighth flange 43 together form a double-layer structure, which increases structural strength and prevents bending of the top side of the second side frame 4.

[0058] According to an embodiment of the present application, a battery module is provided, comprising any of the above battery module frames. The technical effects of the battery module are consistent with those of the battery module frame, and thus will not be described in detail.

[0059] Although the embodiments of the present application are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present application, and such modifications and variations shall fall within the scope defined by the present application.

Claims

1. A battery module frame, characterized in that: include: A first end plate (1), a second end plate (2), a first side frame (3), a second side frame (4), a first fastener (5) and a second fastener (6), wherein the first end plate (1), the first side frame (3), the second end plate (2) and the second side frame (4) are sequentially connected to form a rectangular inner cavity for accommodating a battery cell, wherein: The first side frame (3), the first end plate (1) and the second side frame (4) are connected via the first fastener (5); the first side frame (3), the second end plate (2) and the second side frame (4) are connected via the second fastener (6).

2. The battery module frame according to claim 1, characterized in that: The first side frame (3) is provided with a first through hole (7) and a second through hole (8), the second side frame (4) is provided with a third through hole (11) and a fourth through hole (12), the first end plate (1) is provided with a first through hole (9) passing through both ends, the second end plate (2) is provided with a second through hole (10) passing through both ends, the first fastener (5) is provided through the first through hole (7), the first through hole (9) and the fourth through hole (12) in sequence, and the second fastener (6) is provided through the second through hole (8), the second through hole (10) and the third through hole (11) in sequence.

3. The battery module frame according to claim 1, characterized in that: It also includes a third fastener (13), a fourth fastener (14), a fifth fastener (15) and a sixth fastener (16), the first side frame (3) is provided with a first flange (17) and a second flange (18) at both ends, and the second side frame (4) is provided with a third flange (19) and a fourth flange (20) at both ends, wherein: The first flange (17) is in contact with the side surface of the first end plate (1) and is connected via the third fastener (13); the second flange (18) is in contact with the side surface of the second end plate (2) and is connected via the fourth fastener (14); the third flange (19) is in contact with the side surface of the second end plate (2) and is connected via the fifth fastener (15); and the fourth flange (20) is in contact with the side surface of the first end plate (1) and is connected via the sixth fastener (16).

4. The battery module frame according to claim 3, characterized in that: A first fastening hole (21) and a second fastening hole (22) are provided on the side surface of the first end plate (1), a third fastening hole (23) and a fourth fastening hole (24) are provided on the side surface of the second end plate (2), a fifth through hole (25) is provided on the first flange (17), a sixth through hole (26) is provided on the second flange (18), a seventh through hole (27) is provided on the third flange (19), an eighth through hole (28) is provided on the fourth flange (20), and The third fastener (13) passes through the fifth through hole (25) and is inserted in the first fastening hole (21) in a fitting manner, the fourth fastener (14) passes through the sixth through hole (26) and is inserted in the third fastening hole (23) in a fitting manner, the fifth fastener (15) passes through the seventh through hole (27) and is inserted in the fourth fastening hole (24) in a fitting manner, and the sixth fastener (16) passes through the eighth through hole (28) and is inserted in the second fastening hole (22) in a fitting manner.

5. The battery module frame according to claim 3, characterized in that: A fifth flange (33) is provided on the bottom side of the first side frame (3), and the bottom surfaces of the first end plate (1) and the second end plate (2) are both in contact with the fifth flange (33); a sixth flange (34) is provided on the bottom side of the second side frame (4), and the bottom surfaces of the first end plate (1) and the second end plate (2) are both in contact with the sixth flange (34).

6. The battery module frame according to claim 3, characterized in that: It also includes a first reinforcing plate (35) and a second reinforcing plate (36), wherein the first flange (17) and the fourth flange (20) are connected via the first reinforcing plate (35); and the second flange (18) and the third flange (19) are connected via the second reinforcing plate (36).

7. The battery module frame according to claim 6, characterized in that: The first reinforcing plate (35), the first flange (17) and the first end plate (1) are connected by the third fastener (13), the second reinforcing plate (36), the second flange (18) and the second end plate (2) are connected by the fourth fastener (14), the second reinforcing plate (36), the third flange (19) and the second end plate (2) are connected by the fifth fastener (15), and the first reinforcing plate (35), the fourth flange (20) and the first end plate (1) are connected by the sixth fastener (16).

8. The battery module frame according to claim 6, characterized in that: Both the first reinforcing plate (35) and the second reinforcing plate (36) are provided with hooks (41).

9. The battery module frame according to claim 1, characterized in that: The top side of the first side frame (3) is provided with a seventh flange (42), and the seventh flange (42) is arranged in contact with the side of the first side frame (3); the top side of the second side frame (4) is provided with an eighth flange (43), and the eighth flange (43) is arranged in contact with the side of the second side frame (4).

10. A battery module, characterized in that: Comprising the battery module frame according to any one of claims 1 to 9.

Images