CN220233312U

CN220233312U - Battery module combined structure with metal shell

Info

Publication number: CN220233312U
Application number: CN202321751174.2U
Authority: CN
Inventors: 王旻豪; 黄翊; 付博; 毕甫贵; 谷建华; 韩文林
Original assignee: Beijing Chengyi Technology Co ltd
Current assignee: Beijing Chengyi Technology Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2023-12-22
Anticipated expiration: 2033-07-05

Abstract

The utility model discloses a battery module combination structure with a metal shell, which relates to the technical field of battery module combination and comprises the metal shell, a cover plate and a battery pack, wherein the cover plate is distributed on the top of the metal shell in a sliding manner, the battery pack is vertically arranged in the metal shell, an electrode connecting plate is vertically arranged at the bottom of the metal shell, a limit groove is vertically formed in the bottom of the side end of the cover plate, a rotating block is horizontally distributed in a notch of the side wall of the metal shell, and an L-shaped limit sheet is obliquely fixed at the side end of the rotating block. According to the utility model, through arranging the connecting structure and the electrode connecting plate, a plurality of battery pack monomers are directly connected in series through the electrode connecting plate, so that the battery module is assembled rapidly, and meanwhile, the rotating block for controlling the locking cover plate is arranged at the side end of the metal shell, so that the metal shell is opened or closed rapidly, and the structure is simple and practical.

Description

Battery module combined structure with metal shell

Technical Field

The utility model relates to the technical field of battery module combination, in particular to a battery module combination structure with a metal shell.

Background

The battery module can be understood as that lithium ion battery cells are combined in a serial-parallel connection mode, and the battery cells and pack intermediate products formed after the single battery monitoring and managing device is additionally arranged, and the structure of the battery module must play roles in supporting, fixing and protecting the battery cells and can be summarized into 3 major items: mechanical strength, electrical properties, thermal properties and fault handling capability.

The existing battery module combination is more assembled in the sleeving shell through wire welding, the structural stability of the battery module can be guaranteed in the mode, but once one battery pack in the module is in a problem, a user can disassemble the whole well-wired module to overhaul the battery pack in the problem, the complicated degree of the user during overhaul of the battery module is greatly increased through the structure, and therefore, in order to enable workers to overhaul the battery module more rapidly, the battery module combination structure with the metal shell is provided.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the existing battery module combination mode can greatly increase steps when a user overhauls a battery module, the overhauling process is too complicated, the battery module combination structure with the metal shell is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the battery module combination structure with the metal shell comprises the metal shell, a cover plate and battery packs, wherein the cover plate is slidably distributed at the top of the metal shell, the battery packs are vertically arranged in the metal shell, the battery packs are uniformly distributed in the horizontal direction, electrode connecting plates are vertically arranged at the bottom of the metal shell, and the electrode connecting plates are in penetrating fit with positive and negative electrodes at the bottoms of the battery packs and are used for connecting circuits of the battery packs;

the side end bottom of apron has vertically seted up the spacing groove, horizontal distribution has the rotating block in the lateral wall notch of metal casing, the both sides of rotating block with the notch both sides of metal casing rotate to be connected, the side slope of rotating block is fixed with L type spacing piece, the top block of L type spacing piece in spacing inslot portion is used for spacing the fixed apron.

As still further aspects of the utility model: the top of the rotating block is of a round block structure protruding inwards and used for extruding the cover plate.

As still further aspects of the utility model: the limiting groove faces to the bottom of the side end of the rotating block and is of an inclined surface structure, so that the L-shaped limiting piece is separated from the inside of the limiting groove.

As still further aspects of the utility model: the sliding grooves are horizontally fixed on two sides of the cover plate, the sliding strips are horizontally arranged on two sides of the top of the metal shell, and the sliding grooves are distributed inside the sliding strips in a sliding mode and used for limiting the cover plate.

As still further aspects of the utility model: the inside of metal casing is vertical to be fixed with the baffle, the quantity of baffle is a plurality of, and along horizontal direction evenly distributed, is used for separating fixedly the battery package.

As still further aspects of the utility model: an insulating plate is horizontally arranged at the top of the battery pack, and the top of the insulating plate is vertically attached to the bottom of the cover plate and used for extruding and fixing the battery pack.

As still further aspects of the utility model: the L-shaped limiting piece has elasticity so that the L-shaped limiting piece can slightly deform and slide out of the limiting groove.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up a connection structure, through setting up an electrode connection board, directly establish ties a plurality of battery package monomer through the electrode connection board to the realization to battery module's equipment is quick, sets up a rotating block that is used for controlling the locking apron at metal casing's side simultaneously, thereby realizes opening or closing to metal casing's quick, simple structure and practicality.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the metal shell according to the present utility model;

FIG. 3 is a cross-sectional view of a metal housing structure of the present utility model;

fig. 4 is an enlarged view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a metal housing; 2. a cover plate; 3. a battery pack; 4. an electrode connection plate; 5. a rotating block; 6. an L-shaped limiting piece; 7. a limit groove; 8. an insulating plate; 9. a sliding bar; 10. a sliding groove; 11. a partition board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in an embodiment of the utility model, a battery module combination structure with a metal casing includes a metal casing 1, a cover plate 2, and a battery pack 3, wherein the cover plate 2 is slidably disposed at the top of the metal casing 1, the battery pack 3 is vertically disposed in the metal casing 1, the number of the battery packs 3 is a plurality of and uniformly distributed along a horizontal direction, an electrode connecting plate 4 is vertically disposed at the bottom of the metal casing 1, and the electrode connecting plate 4 is in interpenetration and lamination with positive and negative poles at the bottoms of the plurality of battery packs 3 for connecting circuits of the plurality of battery packs 3;

the limiting groove 7 has vertically been seted up to the side end bottom of apron 2, and horizontal distribution has dwang 5 in the lateral wall notch of metal casing 1, and the both sides of dwang 5 are connected with the notch both sides rotation of metal casing 1, and the side slope of dwang 5 is fixed with L type spacing piece 6, and the top block of L type spacing piece 6 is inside limiting groove 7 for spacing fixed apron 2.

In this embodiment: what needs to be stated is: the plurality of electrode connecting plates 4 inside the metal shell 1 are welded and connected through wires according to corresponding circuits, and when the battery pack 3 is placed inside the metal shell 1, the circuit connection of the plurality of battery packs 3 can be completed only by aligning the positive electrode connecting plates and the negative electrode connecting plates to the corresponding electrode connecting plates 4;

the user vertically places a plurality of battery packs 3 in the metal shell 1, and causes the bottoms of the battery packs 3 to be attached to the electrode connecting plates 4, and simultaneously, the user pushes the cover plate 2 horizontally, so that the L-shaped limiting sheets 6 slide into the limiting grooves 7 horizontally, thereby covering the tops of the metal shell 1, and completing the installation of the whole battery module combination; when a user needs to detach a single battery pack 3, the user needs to squeeze the rotating block 5 by hand, so that the top of the rotating block 5 rotates to squeeze the cover plate 2, the cover plate 2 is pressed to slide outwards, meanwhile, the L-shaped limiting piece 6 is slightly deformed and slides out of the limiting groove 7, at the moment, the user horizontally pulls the cover plate 2, and the battery pack 3 is taken out of the metal shell 1;

the battery pack assembly device has the beneficial effects that through the arrangement of the electrode connecting plate 4, a plurality of battery pack 3 monomers are directly connected in series through the electrode connecting plate 4, so that the battery module is assembled quickly, and meanwhile, the rotating block 5 for controlling the locking cover plate 2 is arranged at the side end of the metal shell 1, so that the metal shell 1 is opened or closed quickly, and the structure is simple and practical.

Referring to fig. 3 to 4, the top of the rotating block 5 is a circular block structure protruding inwards for pressing the cover plate 2.

In this embodiment: when a user needs to press the rotating block 5 by hand, the round block structure at the top of the rotating block 5 rotates, so that the cover plate 2 is pressed, the cover plate 2 is protruded outwards, and the cover plate 2 is pulled by hand by the user conveniently.

Referring to fig. 3 to 4, the bottom of the side end of the limiting slot 7 facing the rotating block 5 is an inclined plane structure, so that the L-shaped limiting piece 6 is convenient to separate from the inside of the limiting slot 7.

In this embodiment: the user extrudes the rotating block 5 by hand, so that the top of the rotating block 5 rotates to extrude the cover plate 2, the cover plate 2 is pressed to slide outwards, and meanwhile, the L-shaped limiting piece 6 is slightly deformed and slides out of the inclined surface structure at the side end of the limiting groove 7.

Referring to fig. 2 to 4, sliding grooves 10 are horizontally fixed on two sides of the cover plate 2, sliding strips 9 are horizontally arranged on two sides of the top of the metal shell 1, and the sliding grooves 10 are slidably distributed in the sliding strips 9 and are used for limiting the cover plate 2.

In this embodiment: the sliding grooves 10 are slidably distributed inside the sliding strips 9 and are used for limiting the cover plate 2, so that the limiting cover plate 2 can be slidably attached to the top of the metal shell 1 and cannot fall off.

Referring to fig. 3, a plurality of partitions 11 are vertically fixed in the metal casing 1, and the partitions 11 are uniformly distributed along the horizontal direction for separating and fixing the battery packs 3.

In this embodiment: the baffle 11 is used for separating and fixing the battery pack 3, so that the structural stability of the battery pack 3 after being fixed is ensured, and the battery pack 3 cannot shake.

Referring to fig. 2, an insulating plate 8 is horizontally disposed at the top of the plurality of battery packs 3, and the top of the insulating plate 8 is vertically attached to the bottom of the cover plate 2 for fixing the battery packs 3 in an extruding manner.

In this embodiment: the insulating plate 8 is used for pressing and fixing the battery pack 3, so that the bottom of the battery pack 3 can be tightly attached to the electrode connecting plate 4.

Please refer to fig. 3 to 4, the l-shaped limiting piece 6 has elasticity for slight deformation to slide out from the inside of the limiting groove 7.

In this embodiment: the L-shaped limiting piece 6 has elasticity so that the L-shaped limiting piece can slightly deform to slide out of the limiting groove 7, and the locking function of the L-shaped limiting piece is guaranteed while the unlocking of the L-shaped limiting piece is not influenced.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a battery module integrated configuration with metal casing, includes metal casing (1), apron (2), battery package (3), apron (2) slip distribute in the top of metal casing (1), battery package (3) vertically place in the inside of metal casing (1), the quantity of battery package (3) is a plurality of and is evenly distributed along the horizontal direction, a serial communication port, electrode connecting plate (4) have been vertically placed to the bottom of metal casing (1), electrode connecting plate (4) are alternately laminated with the positive negative pole of a plurality of battery package (3) bottom for connect a plurality of battery package (3) circuit;

limiting grooves (7) are vertically formed in the bottoms of the side ends of the cover plate (2), rotating blocks (5) are horizontally distributed in side wall notches of the metal shell (1), two sides of each rotating block (5) are rotationally connected with two sides of the notch of the metal shell (1), L-shaped limiting pieces (6) are obliquely fixed to the side ends of each rotating block (5), and the tops of the L-shaped limiting pieces (6) are clamped inside the limiting grooves (7) and used for limiting and fixing the cover plate (2).

2. The battery module assembly structure with the metal casing according to claim 1, wherein the top of the rotating block (5) is a round block structure protruding inwards for pressing the cover plate (2).

3. The battery module combination structure with the metal shell according to claim 1, wherein the side end bottom of the limiting groove (7) facing the rotating block (5) is of an inclined surface structure, so that the L-shaped limiting piece (6) is conveniently separated from the inside of the limiting groove (7).

4. The battery module combination structure with the metal shell according to claim 1, wherein sliding grooves (10) are horizontally fixed on two sides of the cover plate (2), sliding strips (9) are horizontally arranged on two sides of the top of the metal shell (1), and the sliding grooves (10) are slidingly distributed inside the sliding strips (9) and used for limiting the cover plate (2).

5. The battery module combination structure with the metal shell according to claim 1, wherein the partition plates (11) are vertically fixed in the metal shell (1), the number of the partition plates (11) is a plurality, and the partition plates are uniformly distributed along the horizontal direction and are used for separating and fixing the battery packs (3).

6. The battery module combination structure with the metal shell according to claim 1, wherein insulating plates (8) are horizontally arranged at the tops of the battery packs (3), and the tops of the insulating plates (8) are vertically attached to the bottom of the cover plate (2) and used for fixing the battery packs (3) in a pressing mode.

7. The battery module combination structure with the metal shell according to claim 1, wherein the L-shaped limiting piece (6) has elasticity so that the L-shaped limiting piece can slightly deform and slide out of the limiting groove (7).