CN213636185U - Module frame and battery module - Google Patents

Abstract

An embodiment of the utility model provides a module frame and battery module relates to the battery module field. Aiming at enhancing the limiting effect of the module framework on the battery cell. The first end beam, the second end beam, the first side beam and the second side beam are arranged on the first side beam; the first end beam, the first side beam, the second end beam and the second side beam are sequentially connected to enclose a space for installing a battery cell; the first guide surface and the second guide surface make the first side beam and the second side beam approach each other, and the third guide surface and the fourth guide surface make the first side beam and the second side beam approach each other, so as to press the battery cell together. First end roof beam and second end roof beam make first side roof beam and second side roof beam be close to each other respectively at the in-process of connecting first side roof beam and second side roof beam to compress tightly electric core, realize respectively carrying on spacingly to electric core from the extending direction of first end roof beam and the extending direction of first side roof beam, help improving the stability of electric core equipment.

Description

Module frame and battery module

Technical Field

The utility model relates to a battery module field particularly, relates to a module frame and battery module.

Background

In the power battery industry, a new energy automobile battery pack is a complex integrated system. The plurality of electric cores are combined into a single module, and the plurality of modules are assembled into the battery pack. The battery module's equipment mode is the major process of battery package, arranges in proper order according to the requirement of series-parallel connection with single electric core, at the both ends installation end plate of electric core, is located the curb plate and the end plate welding of electric core both sides, wraps up electric core at the inside module that forms of cavity.

After the side plates are welded with the end plates, the cavity space is fixed, the electric core cannot be effectively compressed, and the stability of the electric core is influenced.

SUMMERY OF THE UTILITY MODEL

The objects of the present invention include, for example, providing a module frame that can enhance the spacing effect of the module frame on the cells.

The utility model discloses an aim still includes, provides a battery module, and it can strengthen the spacing effect of module frame to electric core.

The embodiment of the utility model discloses a can realize like this:

an embodiment of the utility model provides a module frame, include:

a first end beam, a second end beam, a first side beam, and a second side beam; the first end beam, the first side beam, the second end beam and the second side beam are sequentially connected to enclose a space for installing a battery cell;

the first end beam is provided with a first guide surface and a second guide surface, and the first guide surface and the second guide surface respectively act on the first side beam and the second side beam in the process of connecting the first end beam with the first side beam and the second side beam so as to enable the first side beam and the second side beam to approach each other;

the second end beam is provided with a third guide surface and a fourth guide surface, which act on the first side beam and the second side beam, respectively, so as to bring the first side beam and the second side beam closer to each other in a process of connecting the second end beam to the first side beam and the second side beam.

In addition, the embodiment of the present invention provides a module frame, which can also have the following additional technical features:

optionally: the distance between the first guide surface and the second guide surface gradually increases along the direction from the first end beam to the second end beam;

the distance between the third guide surface and the fourth guide surface gradually increases in a direction from the second end beam to the first end beam.

Optionally: the number of the first side beams is two, and a first limiting part and a second limiting part are respectively arranged on one side of each of the two first side beams, which is close to the second side beam;

the first end beam is further provided with a first matching surface and a second matching surface, and the first matching surface and the second matching surface are used for acting on the two first side beams respectively in the process that the first end beam is connected with the two first side beams, so that the first limiting part and the second limiting part are close to each other.

Optionally: the number of the second side beams is two, and a third limiting part and a fourth limiting part are respectively arranged on one side of each of the two second side beams, which is close to the first side beam;

the first end beam is further provided with a third matching surface and a fourth matching surface, and the third matching surface and the fourth matching surface are used for acting on the two second side beams respectively in the process that the first end beam is connected with the two second side beams, so that the third limiting part and the fourth limiting part are close to each other.

Optionally: the distance between the first matching surface and the second matching surface is gradually increased along the direction from the first end beam to the second end beam;

the distance between the third matching surface and the fourth matching surface is gradually increased along the direction from the first end beam to the second end beam.

Optionally: the first matching surface, the first guide surface and the second matching surface are sequentially connected to form a first groove in a surrounding mode;

the third matching surface, the second guide surface and the fourth matching surface are connected in sequence to form a second groove.

Optionally: the module frame further comprises a module cover plate and a plurality of fasteners, a plurality of first through holes are formed in the two sides of the module cover plate along the length direction, a plurality of second through holes are formed in the first side beam and the second side beam along the length direction, the first through holes correspond to the second through holes in a one-to-one mode, and the fasteners are used for penetrating the first through holes and the second through holes respectively so as to fix the module cover plate on the first side beam and the second side beam.

Optionally: the surfaces of the first side beam and the second side beam are respectively provided with a plurality of assembling holes along the length direction, and the assembling holes are used for connecting another module frame.

Optionally: the module frame further comprises a limiting bolt and a supporting sleeve, the limiting bolt is connected to the assembling hole and is arranged in a protruding mode relative to the surfaces of the first side beam and the second side beam;

the supporting sleeve is sleeved outside the limiting bolt, one end of the supporting sleeve is abutted to the surface of the first side beam or the second side beam, and the other end of the supporting sleeve is used for supporting another module frame.

The embodiment of the utility model provides a battery module is still provided, battery module includes electric core and module frame.

The utility model discloses module frame and battery module's beneficial effect includes, for example:

the battery cell limiting device comprises a module frame, a first side beam, a second side beam, a first end beam, a second end beam and a third end beam, wherein the first end beam is connected with the first side beam and the second side beam; at the in-process of connecting, first guide face and second guide face make first side roof beam and second side roof beam be close to each other, third guide face and fourth guide face also make first side roof beam and second side roof beam be close to each other, the realization is spacing to electric core from the extending direction of first end roof beam, first end roof beam and second end roof beam are at the in-process of taut first side roof beam and second side roof beam, lock electric core, constitute indirect reliable battery module, help improving the stability of electric core equipment.

The battery module comprises the module frame, and is beneficial to enhancing the limiting effect of the module frame on the battery core.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a battery module according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first end beam of a battery module according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the stacked battery modules according to the embodiment of the present invention;

fig. 5 is an exploded schematic view of a battery module according to an embodiment of the present invention.

Icon: 10-a battery module; 11-a module frame; 12-electric core; 100-a first end beam; 110-a first guide surface; 120-a second guide face; 130-a first mating face; 140-a second mating surface; 150-a third mating face; 160-a fourth mating face; 200-a second end beam; 300-a first side beam; 310-a first limit part; 320-a second limiting part; 330-assembly holes; 400-a second side beam; 410-a third limiting part; 420-a fourth limiting part; 500-module cover plate; 510-a gap; 600-locking screws; 610-a fastener; 620-support sleeve; 630-limit bolt; 700-a separator; 800-epoxy board.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

The module frame 11 provided in the present embodiment will be described in detail with reference to fig. 1 to 5.

Referring to fig. 1 and fig. 2, in combination with fig. 3, the present embodiment provides a module frame 11, including: a first end beam 100, a second end beam 200, a first side beam 300, and a second side beam 400; the first end beam 100, the first side beam 300, the second end beam 200 and the second side beam 400 are sequentially connected to form a space for mounting the battery cell 12; the first end sill 100 is provided with a first guide surface 110 and a second guide surface 120, and the first guide surface 110 and the second guide surface 120 act on the first side sill 300 and the second side sill 400, respectively, so that the first side sill 300 and the second side sill 400 approach each other in the process of connecting the first end sill 100 to the first side sill 300 and the second side sill 400; the second end beam 200 is provided with a third guide surface and a fourth guide surface, which act on the first side beam 300 and the second side beam 400, respectively, to bring the first side beam 300 and the second side beam 400 closer to each other in the process of connecting the first side beam 300 and the second side beam 400 to the second end beam 200.

Referring to fig. 2 and fig. 3, the first end beam 100, the first side beam 300, the second end beam 200, and the second side beam 400 are sequentially installed in parallel in the extending direction of the first side beam 300 and the second side beam 400 in the cell 12. The first end beam 100 and the second end beam 200 are aluminum castings, which are integral fixing pivot points of the module.

Specifically, the first end beam 100 and the second end beam 200 are arranged side by side at an interval, the first side beam 300 and the second side beam 400 are arranged side by side at an interval, both ends of the first side beam 300 are connected to the first end beam 100 and the second end beam 200, respectively, and both ends of the second side beam 400 are connected to the first end beam 100 and the second end beam 200, respectively.

The first guide surface 110 acts on one end of the first side member 300 during the connection of the first end member 100 to the first side member 300, and the third guide surface acts on the other end of the first side member 300 during the connection of the second end member 200 to the first side member 300, thereby causing the first side member 300 to have a tendency to move toward the second side member 400. The second guide surface 120 acts on one end of the second side member 400 during the connection of the first end member 100 and the second side member 400, and the fourth guide surface acts on the other end of the second side member 400 during the connection of the second end member 200 and the second side member 400, each of which tends to move the second side member 400 toward the first side member 300.

In the above process, when the first end beam 100 is connected to the first side beam 300 and the second side beam 400, the first side beam 300 and the second side beam 400 abut against the first end beam 100, and meanwhile, the first side beam 300 and the second side beam 400 are close to each other, so that the battery cell 12 is compressed, and the stability of the installation of the battery cell 12 can be improved.

Referring to fig. 1 and fig. 3, in this embodiment, the module frame 11 further includes a plurality of locking screws 600, the first end beam 100 is connected to the first side beam 300 and the second side beam 400 through the locking screws 600, the second end beam 200 is connected to the first side beam 300 and the second side beam 400 through the locking screws 600, the locking screws 600 are screwed along the extending direction of the first side beam 300 according to the designed torsion requirement by the axis of the locking screws 600, and the first end beam 100 and the second end beam 200 are respectively abutted against two ends of the first side beam 300 and the second side beam 400 by the generated tension. Meanwhile, the first side beam 300 and the second side beam 400 are close to each other, and the battery cell 12 is locked, so that a simple and reliable large module is formed.

In the present embodiment, the distance between the first guide surface 110 and the second guide surface 120 gradually increases in the direction from the first end beam 100 to the second end beam 200; the distance between the third guide surface and the fourth guide surface increases gradually in the direction from the second end beam 200 to the first end beam 100.

That is, the distance between the first guide surface 110 and the second guide surface 120 is gradually decreased in the direction from the second end beam 200 to the first end beam 100, and the first side beam 300 and the second side beam 400 are gradually brought close to each other in the process that the ends of the first side beam 300 and the second side beam 400, which are far from the second end beam 200, are gradually brought close to the first end beam 100. Similarly, the distance between the third guide surface and the fourth guide surface gradually decreases along the direction from the first end beam 100 to the second end beam 200, and the first side beam 300 and the second side beam 400 gradually approach each other in the process that the ends of the first side beam 300 and the second side beam 400 far away from the first end beam 100 gradually approach the second end beam 200.

Referring to fig. 2, in the present embodiment, the number of the first side beams 300 is two, and a first limiting portion 310 and a second limiting portion 320 are respectively disposed on one side of the two first side beams 300 close to the second side beam 400; the first end beam 100 is further provided with a first mating surface 130 and a second mating surface 140, and the first mating surface 130 and the second mating surface 140 are used for respectively acting on the two first side beams 300 in the process of connecting the first end beam 100 with the two first side beams 300, so that the first limiting portion 310 and the second limiting portion 320 are close to each other.

Specifically, the first limiting portion 310 limits the vertical upward movement of the battery cell 12 from the surface of the battery cell 12, and the second limiting portion 320 limits the vertical downward movement of the battery cell 12 from the bottom surface of the battery cell 12. In the process that the two first side beams 300 are close to the first end beam 100, the two first side beams 300 are gradually close to each other, the battery cell 12 is compressed in the vertical direction, and the installation stability of the battery cell 12 is improved.

Referring to fig. 2, in the present embodiment, the number of the second side beams 400 is two, and a third limiting portion 410 and a fourth limiting portion 420 are respectively disposed on one side of the two second side beams 400 close to the first side beam 300; the first end beam 100 is further provided with a third mating surface 150 and a fourth mating surface 160, and the third mating surface 150 and the fourth mating surface 160 are used for respectively acting on the two second side beams 400 in the process of connecting the first end beam 100 with the two second side beams 400, so that the third limiting portion 410 and the fourth limiting portion 420 are close to each other.

Referring to fig. 3, in the present embodiment, the distance between the first mating surface 130 and the second mating surface 140 gradually increases along the direction from the first end beam 100 to the second end beam 200; the distance between the third mating surface 150 and the fourth mating surface 160 gradually increases along the direction from the first end beam 100 to the second end beam 200.

Referring to fig. 3, in the present embodiment, the first mating surface 130, the first guiding surface 110 and the second mating surface 140 are sequentially connected to form a first concave groove; the third mating surface 150, the second guide surface 120 and the fourth mating surface 160 are connected in sequence to form a second groove.

Referring to fig. 3, in particular, the first groove and the second groove are located at both ends of the first end beam 100.

In this embodiment, the second end beam 200 further has a fifth mating surface and a sixth mating surface, and the fifth mating surface and the sixth mating surface are used for respectively acting on the two first side beams 300 during the process of connecting the second end beam 200 with the two first side beams 300, so that the first limiting portion 310 and the second limiting portion 320 are close to each other.

In this embodiment, the second end beam 200 is further provided with a seventh mating surface and an eighth mating surface, and the seventh mating surface and the eighth mating surface are used for respectively acting on the two second side beams 400 in the process of connecting the second end beam 200 with the two second side beams 400, so that the third limiting portion 410 and the fourth limiting portion 420 are close to each other.

In this embodiment, the distance between the fifth mating surface and the sixth mating surface gradually increases along the direction from the second end beam 200 to the first end beam 100; the distance between the seventh mating surface and the eighth mating surface gradually increases along the direction from the second end beam 200 to the first end beam 100.

In this embodiment, the fifth mating surface, the first guiding surface 110 and the sixth mating surface are sequentially connected to form a third groove; the seventh matching surface, the second guiding surface 120 and the eighth matching surface are connected in sequence to form a fourth groove.

Specifically, the third groove and the fourth groove are located at both ends of the second end beam 200.

Referring to fig. 2, in the present embodiment, the module frame 11 further includes a partition 700, two ends of the partition 700 are respectively connected to the first end beam 100 and the second end beam 200, and the first partition 700 is used to divide a space enclosed by the first end beam 100, the first side beam 300, the second end beam 200, and the second side beam 400 into a first chamber and a second chamber.

Specifically, one side of the partition board 700 facing the first side beam 300 is provided with a fifth limiting portion and a sixth limiting portion, the fifth limiting portion limits the vertical upward movement of the battery cell 12 from the upper surface of the battery cell 12, and the sixth limiting portion limits the vertical downward movement of the battery cell 12 from the bottom surface of the battery cell 12. A plurality of battery cells 12 are installed side by side along the extending direction of the first side beam 300 in the first cavity, and the first limiting portion 310, the second limiting portion 320, the fifth limiting portion and the sixth limiting portion limit the movement of the battery cells 12 in the vertical direction.

Specifically, one side of the partition board 700 facing the second side beam 400 is provided with a seventh limiting portion and an eighth limiting portion, the seventh limiting portion limits the vertical upward movement of the battery cell 12 from the upper surface of the battery cell 12, and the eighth limiting portion limits the vertical downward movement of the battery cell 12 from the bottom surface of the battery cell 12. A plurality of battery cells 12 are installed in the second chamber side by side along the extending direction of the second side beam 400, and the third limiting portion 410, the fourth limiting portion 420, the seventh limiting portion, and the eighth limiting portion limit the movement of the battery cells 12 in the vertical direction.

Referring to fig. 4, in the present embodiment, the module frame 11 further includes a module cover 500 and a plurality of fasteners 610, wherein a plurality of first through holes are respectively disposed on two sides of the module cover 500 along the length direction, a plurality of second through holes are respectively disposed on the first side beam 300 and the second side beam 400 along the length direction, the plurality of first through holes and the plurality of second through holes are in one-to-one correspondence, and the plurality of fasteners 610 are respectively used for passing through the first through holes and the second through holes to fix the module cover 500 on the first side beam 300 and the second side beam 400.

Referring to fig. 4, a module cover plate 500 is used to arrange and fix the collector/electrode sheets. The module cover plate 500 is fixed on the first side beam 300 and the second side beam 400 through fasteners 610, for example, fixing screws, so that the fitting degree of the electrode plate and the battery cell 12 is effectively ensured.

Referring to fig. 4, in the present embodiment, a plurality of assembly holes 330 are respectively formed on the surfaces of the first side member 300 and the second side member 400 along the length direction, and the assembly holes 330 are used for connecting another module frame 11. Realize the stack setting of battery module 10, practice thrift the space.

Referring to fig. 4, specifically, a plurality of notches 510 are respectively disposed on both sides of the module cover plate 500 along the length direction, and the plurality of notches 510 correspond to the plurality of assembly holes 330 one to one, so that the assembly holes 330 are exposed on the surface.

Referring to fig. 4, in the present embodiment, the module frame 11 further includes a limit bolt 630 and a support sleeve 620, the limit bolt 630 is used for being connected to the assembly hole 330, and the limit bolt 630 is disposed to protrude relative to the surfaces of the first side beam 300 and the second side beam 400; the supporting sleeve 620 is sleeved outside the limiting bolt 630, one end of the supporting sleeve 620 abuts against the surface of the first side beam 300 or the second side beam 400, and the other end of the supporting sleeve 620 is used for supporting another module frame 11.

The existing battery pack is formed in a conventional and traditional mode. A battery package needs a large amount of modules, because the battery package casing is subject to the automobile body shape, often need design the module of multiple different shapes to satisfy the demand of space and electric quantity, leads to the quantity of spare part numerous, and the cost is higher. The fixing of a plurality of irregular modules needs the corresponding panel beating of design and manufacture to accomplish, has increased the inefficacy risk point. In this embodiment, the stacking of the battery modules 10 is achieved by forming holes in the first side member 300 and the second side member 400. Specifically, the stacking of the battery modules 10 can be realized through the limiting bolts 630 and the supporting sleeves 620, and the structure is simple.

Referring to fig. 5, the module frame 11 further includes an epoxy plate 800, and the epoxy plate 800 is disposed between the first end beam 100 and the battery cell 12, between the second end beam 200 and the battery cell 12, and between two adjacent battery cells 12.

With reference to fig. 5, the module frame 11 further includes insulating paper, and the insulating paper is disposed between the first side beam 300 and the battery cell 12 and between the second side beam 400 and the battery cell 12, so as to have an insulating protection function. Structural adhesive is sprayed between the insulating paper and the battery cell 12, so that grouping stress generated by the size deviation of the battery cell 12 is not uniform, and the fixing strength of the battery cell 12 is enhanced.

With continued reference to fig. 5, the module frame 11 further includes a PP guard plate, which is fixed to the module cover plate 500 by plastic rivets. "PP" means that polypropylene is a polymer formed by the addition polymerization of propylene, an organic substance.

The module frame 11 provided in this embodiment has at least the following advantages:

the first end beam 100, the first side beam 300, the second end beam 200 and the second side beam 400 are sequentially connected to form a space for installing the battery cell 12, and the structure is simple. In the process of connecting the first end beam 100 to the first side beam 300 and the second side beam 400, the first side beam 300 and the second side beam 400 are made to approach each other while the first side beam 300 and the second side beam 400 are tightened to lock the battery cell 12, and in the process of connecting the second end beam 200 to the second side beam 400, the first side beam 300 and the second side beam 400 are also made to approach each other while the first side beam 300 and the second side beam 400 are tightened to lock the battery cell 12, so that the limiting effect of the module frame 11 on the battery cell 12 can be enhanced.

The embodiment of the utility model provides a battery module 10 is still provided, and battery module 10 includes electric core 12 and module frame 11.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A module frame, comprising:

a first end beam (100), a second end beam (200), a first side beam (300), and a second side beam (400); the first end beam (100), the first side beam (300), the second end beam (200) and the second side beam (400) are sequentially connected to enclose a space for installing a battery cell (12);

the first end beam (100) is provided with a first guide surface (110) and a second guide surface (120), and the first guide surface (110) and the second guide surface (120) respectively act on the first side beam (300) and the second side beam (400) to enable the first side beam (300) and the second side beam (400) to approach each other in the process that the first end beam (100) is connected with the first side beam (300) and the second side beam (400);

the second end beam (200) is provided with a third guide surface and a fourth guide surface, and the third guide surface and the fourth guide surface respectively act on the first side beam (300) and the second side beam (400) to enable the first side beam (300) and the second side beam (400) to approach each other in the process that the second end beam (200) is connected with the first side beam (300) and the second side beam (400).

2. The module frame of claim 1, wherein:

-the distance between the first guiding surface (110) and the second guiding surface (120) gradually increases in the direction of the first end beam (100) to the second end beam (200);

the distance between the third guide surface and the fourth guide surface increases gradually in the direction from the second end beam (200) to the first end beam (100).

3. The module frame of claim 1, wherein:

the number of the first side beams (300) is two, and a first limiting part (310) and a second limiting part (320) are respectively arranged on one side, close to the second side beam (400), of each of the two first side beams (300);

the first end beam (100) is further provided with a first matching surface (130) and a second matching surface (140), and the first matching surface (130) and the second matching surface (140) are used for acting on the two first side beams (300) respectively in the process that the first end beam (100) is connected with the two first side beams (300), so that the first limiting portion (310) and the second limiting portion (320) are close to each other.

4. The module frame of claim 3, wherein:

the number of the second side beams (400) is two, and a third limiting part (410) and a fourth limiting part (420) are respectively arranged on one side, close to the first side beam (300), of each of the two second side beams (400);

the first end beam (100) is further provided with a third matching surface (150) and a fourth matching surface (160), and the third matching surface (150) and the fourth matching surface (160) are used for acting on the two second side beams (400) respectively in the process that the first end beam (100) is connected with the two second side beams (400), so that the third limiting part (410) and the fourth limiting part (420) are close to each other.

5. The module frame of claim 4, wherein:

the distance between the first mating face (130) and the second mating face (140) gradually increases along the direction from the first end beam (100) to the second end beam (200);

the distance between the third mating surface (150) and the fourth mating surface (160) gradually increases in a direction from the first end beam (100) to the second end beam (200).

6. The module frame of claim 5, wherein:

the first matching surface (130), the first guide surface (110) and the second matching surface (140) are sequentially connected to form a first groove;

the third matching surface (150), the second guide surface (120) and the fourth matching surface (160) are connected in sequence to form a second groove.

7. The module frame according to any one of claims 1 to 6, wherein:

the module frame further comprises a module cover plate (500) and a plurality of fasteners (610), a plurality of first through holes are respectively formed in two sides of the module cover plate (500) along the length direction, a plurality of second through holes are respectively formed in the first side beam (300) and the second side beam (400) along the length direction, the first through holes and the second through holes are in one-to-one correspondence, and the fasteners (610) are respectively used for penetrating the first through holes and the second through holes to fix the module cover plate (500) on the first side beam (300) and the second side beam (400).

8. The module frame according to any one of claims 1 to 6, wherein:

the surfaces of the first side member (300) and the second side member (400) are respectively provided with a plurality of assembling holes (330) along the length direction, and the assembling holes (330) are used for connecting the other module frame.

9. The module frame of claim 8, wherein:

the module frame further comprises a limiting bolt (630) and a supporting sleeve (620), the limiting bolt (630) is used for being connected to the assembling hole (330), and the limiting bolt (630) is arranged in a protruding mode relative to the surfaces of the first side beam (300) and the second side beam (400);

the supporting sleeve (620) is sleeved outside the limiting bolt (630), one end of the supporting sleeve (620) abuts against the surface of the first side beam (300) or the second side beam (400), and the other end of the supporting sleeve (620) is used for supporting the other module frame.

10. A battery module (10), characterized in that:

the battery module (10) comprises a cell (12) and a module frame according to any one of claims 1 to 9.

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