A fixing structure of a battery module

By designing a battery cell module fixing structure including base, top plate and side plate, fixing is achieved using fasteners and mounting sides, and contacting the shell by contacting the abutment edge and support, the problem of shaking and damage of the battery cell module in the battery pack is solved, and the reliable fixing of the battery cell module and the extension of the battery pack life are achieved.

CN222705686UActive Publication Date: 2025-04-01XIAMEN AINENGXING ENERGY STORAGE DEV CO LTD
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Patent Information

Application Number
CN202420866656.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-04-01
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

In the existing battery pack, there is a gap between the battery cell module and the shell, causing the battery cell module to shake or impact during transportation, damage, and shorten the service life of the battery pack.

Method used

A fixed structure of a battery cell module is designed, including a base, a top plate, two first side plates and two second side plates. The fixing between the base, top plate and side plate is achieved through structures such as fasteners and mounting sides, and contacts the inner wall of the shell through the abutment edge and the support to avoid the occurrence of gaps.

Benefits of technology

Effectively prevent the battery cell module from shaking, and prevent extrusion and deformation by supporting the shell, the battery cell module is reliable and the service life of the battery pack is extended.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixing structure of a battery module, including a base, a top plate, two first side plates and two second side plates, wherein the two first side plates are relatively arranged at two ends of the base in the length direction, the two second side plates are relatively arranged at two ends of the base in the width direction and are respectively connected to the two first side plates, and the top plate is connected between the tops of the two first side plates and / or between the tops of the two second side plates, so that the base, the top plate, the two first side plates and the two second side plates are combined to form a receiving cavity of the battery module. The utility model makes the internal structure of the battery pack compact and can reliably install and fix the battery module.
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Description

Technical Field

[0001] The utility model relates to the field of batteries, in particular to a fixing structure of a battery core module. Background Art

[0002] At present, battery packs have been widely used in various fields. Battery packs are usually composed of a shell and a battery module. However, in the battery packs in the prior art, there is usually a gap between the battery module and the shell. During transportation, the battery module is easy to shake left and right or swing upward in the shell, and collide with the shell, thereby damaging the battery module and shortening the service life of the battery pack. Utility Model Content

[0003] The utility model aims at the technical problems existing in the prior art and provides a fixing structure of a battery cell module, so that the internal structure of the battery pack is compact and the battery cell module can be reliably installed and fixed.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a fixing structure of a battery cell module, comprising a base, a top plate, two first side plates and two second side plates, the two first side plates are relatively arranged at the two ends of the base in the length direction, the two second side plates are relatively arranged at the two ends of the base in the width direction, and are respectively connected to the two first side plates, and the top plate is connected between the tops of the two first side plates and / or between the tops of the two second side plates, so that the base, the top plate, the two first side plates and the two second side plates together form a accommodating cavity for the battery cell module.

[0005] Furthermore, the two first side panels are respectively provided with a first mounting edge at both ends in the width direction of the base, and the first mounting edges of the two first side panels extend toward the relative inner side or the relative outer side of the two first side panels, and each first mounting edge is connected to the adjacent second side panel through a fastener; the two first side panels are respectively provided with a second mounting edge at the bottom, and the second mounting edges of the two first side panels extend toward the relative inner side or the relative outer side of the two first side panels, and the second mounting edges are connected to the base through fasteners.

[0006] Furthermore, the tops of the two second side panels are respectively provided with third mounting edges, and the third mounting edges of the two second side panels extend toward the relative outer sides or relative inner sides of the two second side panels, and each third mounting edge is respectively connected to the top panel via fasteners.

[0007] Furthermore, the two second side plates are respectively provided with first abutting edges at both ends in the length direction of the base, and the first abutting edges of the two second side plates extend toward the relative inner sides of the two second side plates and fit on the outer sides of the first side plates on the corresponding sides.

[0008] Furthermore, the top plate is provided with second abutting edges extending downward at both ends in the width direction of the base, and each second abutting edge is respectively matched with the outer side of the second side plate on the corresponding side.

[0009] Furthermore, the base is provided with third abutting edges extending upward at both ends in the length direction thereof, and each third abutting edge is respectively matched with the outer side of the first side plate on the corresponding side.

[0010] Furthermore, the outer side surfaces of the two second side panels are respectively provided with abutting protrusions for abutting against the outer shell, the abutting protrusions are in the shape of long strips and extend along the length direction of the base, and grooves are formed at positions corresponding to the abutting protrusions on the inner side surfaces of the second side panels.

[0011] Furthermore, a plurality of support members are connected to the bottom of the base to support the base, and the support members are in an inverted "X" shape; a plurality of mounting columns are provided on the top surface of the top plate, and each mounting column extends upward.

[0012] Furthermore, the two first side panels, the top panel and the base are respectively square, and the two second side panels are in an inverted T shape.

[0013] Furthermore, at least one wire-binding position is respectively provided on the outer side surfaces of the two first side panels.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model is simple and practical, easy to assemble, can prevent the battery module from shaking, and supports the shell through the second side plate to prevent extrusion and deformation, so that the battery module can be reliably installed and fixed.

[0016] 2. The utility model realizes the mutual fixation between the base, the top plate, the two first side plates and the two second side plates through the first mounting edge and the second mounting edge on the first side plate and the third mounting edge on the second side plate. The structure is simple and easy to manufacture.

[0017] 3. The utility model abuts against the inner wall of the shell through the first abutting edge and the abutting protrusion on the second side plate, the second abutting edge on the top plate, the third abutting edge on the base and the support member, thereby avoiding the gap between the battery cell module and the shell and causing shaking.

[0018] 4. The outer side surfaces of the two first side panels are respectively provided with at least one tie wire buckle position so as to use tie wire for secondary fixation after assembly is completed.

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments; however, the fixing structure of a battery cell module of the present invention is not limited to the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is an exploded schematic diagram (perspective) of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the utility model when installing the battery module;

[0023] Figure 4 This is a cross-sectional diagram of the utility model installed in the housing. Figure 1 ;

[0024] Figure 5 This is a cross-sectional diagram of the utility model installed in the housing. Figure 2 ;

[0025] In the figure: 1. base; 11. third abutting edge; 13 / 23 / 45. strip hole; 2. top plate; 21. second abutting edge; 22. mounting column; 3. first side plate; 31. first mounting edge; 32. second mounting edge; 33. wire tie buckle; 4. second side plate; 41. third mounting edge; 42. first abutting edge; 43. abutting protrusion; 44. groove; 5. support member; 6. battery cell module; 7. housing; 8. accommodating cavity. DETAILED DESCRIPTION

[0026] In the present utility model, the terms "first", "second", "third", etc. are only used to distinguish similar objects, rather than to describe a specific order or sequence, and cannot be understood as indicating or implying relative importance. In the description, the directions or positional relationships indicated by "upper", "lower", "inner", "outer", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model, rather than indicating or implying that the device referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0027] In addition, in the description of the present invention, unless otherwise specified, "plurality" refers to two or more than two. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the objects associated before and after are in an "or" relationship. In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "provided with", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium. It can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figure 1-Figure 5 As shown, a fixing structure of a battery cell module of the utility model includes a base 1, a top plate 2, two first side plates 3 and two second side plates 4, the two first side plates 3 are relatively arranged at the two ends of the base 1 in the length direction, the two second side plates 4 are relatively arranged at the two ends of the base 1 in the width direction, and are respectively connected to the two first side plates 3, and the top plate 2 is connected between the tops of the two second side plates 4, so that the base 1, the top plate 2, the two first side plates 3 and the two second side plates 4 together form a accommodating cavity 8 for the battery cell module 6.

[0029] In this embodiment, the two first side panels 3 are respectively provided with first mounting edges 31 at both ends in the width direction of the base 1, and the first mounting edges 31 of the two first side panels 3 extend toward the relative outer sides of the two first side panels 3, and each first mounting edge 31 is respectively connected to the adjacent second side panel 4 through a fastener. The two first side panels 3 are respectively provided with second mounting edges 32 at the bottom, and the second mounting edges 32 of the two first side panels 3 extend toward the relative outer sides of the two first side panels 3, and the second mounting edges 32 are connected to the base 1 through a fastener. Specifically, the second side panel 4 is provided with an elongated hole 45 that matches the fastener, and the base 1 is provided with an elongated hole 12 that matches the fastener, and the relative distance between the two first side panels 3 can be fine-tuned through the elongated hole 45 and the elongated hole 12. In other embodiments, the first mounting edge 31 and the second mounting edge 32 can extend toward the relative inner sides of the two first side panels 3.

[0030] The tops of the two second side panels 4 are respectively provided with third mounting edges 41, and the third mounting edges 41 of the two second side panels 4 extend toward the relative outer sides of the two second side panels 4, and each third mounting edge 41 is connected to the top panel 2 through a fastener. Specifically, the top panel 2 is provided with a long hole 23 that matches the fastener, and the relative distance between the two second side panels 4 can be fine-tuned through the long hole 23. In other embodiments, the third mounting edges 41 can extend toward the relative inner sides of the two second side panels 4.

[0031] The two second side panels 4 are provided with first abutting edges 42 at both ends in the length direction of the base 1, and the first abutting edges 42 of the two second side panels 4 extend toward the opposite inner sides of the two second side panels 4 and fit on the outer sides of the first side panels 3 on the corresponding sides. The top panel 2 is provided with second abutting edges 21 extending downward at both ends in the width direction of the base 1, and each second abutting edge 21 fits on the outer sides of the second side panels 4 on the corresponding sides. The base 1 is provided with third abutting edges 11 extending upward at both ends in its length direction, and each third abutting edge 11 fits on the outer sides of the first side panels 3 on the corresponding sides.

[0032] The outer sides of the two second side plates 4 are respectively provided with abutting protrusions 43 for abutting against the housing 7. The abutting protrusions 43 are in the shape of long strips and extend along the length direction of the base 1. The inner sides of the second side plates 4 are formed with grooves 44 at positions corresponding to the abutting protrusions 43.

[0033] A plurality of support members 5 are connected to the bottom of the base 1 . Specifically, there are two support members 5 to support the base 1 . The support members 5 are in an inverted “X” shape.

[0034] The inner wall of the outer shell 7 is abutted by the first abutting edge 42 and the abutting protrusion 43 on the second side plate 4, the second abutting edge 21 on the top plate 2, the third abutting edge 11 on the base 1 and the support member 5, so as to avoid shaking caused by a gap between the battery cell module 6 and the outer shell 7.

[0035] A plurality of mounting posts 22 are disposed on the top surface of the top plate 2 , and each mounting post 22 extends upward. Specifically, there are four mounting posts 22 to correspond to the installation of other parts.

[0036] The two first side plates 3, the top plate 2 and the base 1 are square in shape. The two second side plates 4 are in an inverted T shape to support the housing 7 and prevent it from being squeezed and deformed.

[0037] A tie wire buckle position 33 is respectively provided on the outer side surface of the two first side panels 3 for secondary fixing with tie wire after assembly is completed.

[0038] The utility model provides a fixing structure for a battery cell module, which is simple, practical, and easy to assemble. It can prevent the battery cell module 6 from shaking, and supports the outer shell 7 through the second side plate 4 to prevent extrusion and deformation, so that the battery cell module 6 can be reliably installed and fixed.

[0039] The utility model provides a fixing structure for a battery core module, and the unrelated parts are the same as those in the prior art or can be implemented by using the prior art.

[0040] The above embodiments are only used to further illustrate the fixing structure of a battery cell module of the utility model, but the utility model is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. A fixing structure of a battery cell module, characterized in that: It includes a base, a top plate, two first side plates and two second side plates, the two first side plates are relatively arranged at the two ends of the base in the length direction, the two second side plates are relatively arranged at the two ends of the base in the width direction, and are respectively connected to the two first side plates, the top plate is connected between the tops of the two first side plates and / or between the tops of the two second side plates, so that the base, the top plate, the two first side plates and the two second side plates together form a accommodating cavity for the battery cell module; the two first side plates, the top plate and the base are respectively square, and the two second side plates are inverted T-shape.

2. The fixing structure of the battery module according to claim 1, characterized in that: The two first side panels are respectively provided with a first mounting edge at both ends in the width direction of the base, and the first mounting edges of the two first side panels extend toward the relative inner side or the relative outer side of the two first side panels, and each first mounting edge is connected to the adjacent second side panel via a fastener; the two first side panels are respectively provided with a second mounting edge at the bottom, and the second mounting edges of the two first side panels extend toward the relative inner side or the relative outer side of the two first side panels, and the second mounting edges are connected to the base via a fastener.

3. The fixing structure of the battery module according to claim 1, characterized in that: The tops of the two second side panels are respectively provided with third mounting edges, and the third mounting edges of the two second side panels extend toward the relative outer sides or the relative inner sides of the two second side panels, and each third mounting edge is respectively connected to the top panel via fasteners.

4. The fixing structure of the battery module according to claim 1 or 2, characterized in that: The two second side plates are respectively provided with first abutting edges at both ends in the length direction of the base, and the first abutting edges of the two second side plates extend toward the opposite inner sides of the two second side plates and fit on the outer sides of the first side plates on the corresponding sides.

5. The fixing structure of the battery module according to claim 1 or 3, characterized in that: The top plate is provided with second abutting edges extending downward at both ends in the width direction of the base, and each second abutting edge is respectively matched with the outer side of the second side plate on the corresponding side.

6. The fixing structure of the battery module according to claim 1, characterized in that: The base is provided with third abutting edges extending upward at both ends in the length direction thereof, and each third abutting edge is respectively matched with the outer side of the first side plate on the corresponding side.

7. The fixing structure of the battery module according to claim 1, characterized in that: The outer sides of the two second side plates are respectively provided with abutting protrusions for abutting against the shell. The abutting protrusions are in the shape of long strips and extend along the length direction of the base. The inner sides of the second side plates are formed with grooves at positions corresponding to the abutting protrusions.

8. The fixing structure of the battery module according to claim 1, characterized in that: The bottom of the base is connected with a plurality of support members to support the base, and the support members are in an inverted "X" shape; the top surface of the top plate is provided with a plurality of mounting columns, and each mounting column extends upwards respectively.

9. The fixing structure of the battery module according to claim 1, characterized in that: The outer side surfaces of the two first side panels are respectively provided with at least one wire binding position.