CN219040610U

CN219040610U - Lithium battery and battery cell module

Info

Publication number: CN219040610U
Application number: CN202222906129.1U
Authority: CN
Inventors: 郭春锋; 朱超凡
Original assignee: Bst Power Shenzhen Ltd
Current assignee: Bst Power Shenzhen Ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-05-16
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a lithium battery and an electric core module, which comprises a core body, wherein two sides of the core body are respectively provided with a lower connecting piece and an upper connecting piece, the upper connecting piece comprises a first fixed block and a first connecting block, the first connecting block is arranged at the bottom end of the first fixed block, the inner side surface of the first connecting block is provided with a first transverse groove and a vertical groove in a crossing manner, the lower connecting piece comprises a second fixed block and a second connecting block, the second connecting block is arranged at the top end of the second fixed block, the inner side surface of the second connecting block is provided with a second transverse groove and a limiting block in a crossing manner, the position of the second transverse groove corresponds to that of the first transverse groove, the limiting block is matched with the vertical groove, a strip-shaped cavity is arranged in the second fixed block, and a strip-shaped clamping plate is arranged in the strip-shaped cavity; the utility model ensures that the connection structure between the battery cores is stable through the arrangement of the integral structure, and the lower connecting piece and the upper connecting piece have simple structures, are convenient for integrated injection molding, have simple process and low cost, and are convenient for popularization and use.

Description

Lithium battery and battery cell module

Technical Field

The utility model relates to the technical field of battery cell modules, in particular to a lithium battery and a battery cell module.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution, which uses lithium metal or lithium alloy as a positive/negative electrode material, and can be broadly divided into two types: lithium metal batteries and lithium ion batteries, lithium ion batteries do not contain lithium in a metallic state and are rechargeable, and the battery core module is one of important components of the lithium battery.

The operation is comparatively complicated to current electric core module, and the user spends more time to assemble of electric core module mostly, and the patent of application number CN202123433745.1 discloses a novel electric core module of lithium cell, through setting up mount pad and butt plate mutually supporting in the both sides of core, conveniently carries out quick joint between the core, effectively improves the convenience of equipment concatenation, but the structure of mount pad is comparatively complicated in this patent, and manufacturing process is complicated and manufacturing cost is high, is unfavorable for using widely.

Disclosure of Invention

The utility model provides a lithium battery and a battery core module, which are used for solving the defects that the structure of a connecting structure is complex, the manufacturing process is complex, the production cost is high and the popularization and the use are not facilitated in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses an electric core module, which comprises a core body, wherein two sides of the core body are respectively provided with a lower connecting piece and an upper connecting piece, the upper connecting piece comprises a first fixing block and a first connecting block, the first fixing block is connected with the core body, the first connecting block is arranged at the bottom end of the first fixing block, a first transverse groove and a vertical groove are formed in the inner side surface of the first connecting block in a crossing manner, the lower connecting piece comprises a second fixing block and a second connecting block, the second fixing block is connected with the core body, the second connecting block is arranged at the top end of the second fixing block, a second transverse groove and a limiting block are formed in the inner side surface of the second connecting block in a crossing manner, the position of the second transverse groove corresponds to the position of the first transverse groove, the limiting block is matched with the vertical groove, a strip-shaped cavity is formed in the second fixing block, and a strip-shaped clamping plate is arranged in the strip-shaped cavity.

As a preferable technical scheme of the utility model, the width of the first fixed block is the same as the width of the second fixed block, and the sum of the widths of the first connecting block and the second connecting block is the same as the width of the first fixed block.

As a preferable technical scheme of the utility model, the thickness of the first transverse groove and the thickness of the second transverse groove are the same as the thickness of the strip-shaped clamping plate, and the sum of the widths of the first transverse groove and the second transverse groove is the same as the width of the strip-shaped clamping plate.

As a preferable technical scheme of the utility model, the length of the strip-shaped clamping plate is larger than the length of the first transverse groove, the length of the second transverse groove and the length of the strip-shaped cavity, and one end of the strip-shaped clamping plate is provided with a through hole.

As a preferable technical scheme of the utility model, the end part of the core body is provided with the wire clamping mechanism, the wire clamping mechanism comprises a turnover plate and a fixing plate which are mutually hinged, the fixing plate is connected with the core body, the inner side surface of the turnover plate and the inner side surface of the fixing plate are provided with a plurality of semi-cylindrical grooves which are mutually corresponding, the top of the fixing plate is provided with a clamping groove, and the top of the turnover plate is provided with a clamping claw which is matched with the clamping groove.

As a preferable technical scheme of the utility model, the top end of the turnover plate is provided with a shifting block.

The utility model also provides a lithium battery, which comprises the battery core module.

The beneficial effects of the utility model are as follows: this kind of battery cell module of lithium cell, through be equipped with down the connecting piece respectively in the both sides of core and go up the connecting piece, go up the connecting piece and include first fixed block and first connecting piece, the medial surface cross of first connecting piece is equipped with first transverse groove and erects the groove, the connecting piece includes second fixed block and second connecting block down, the medial surface cross of second connecting block is equipped with second transverse groove and stopper, when two cores are connected, the second connecting block of connecting piece inserts the clearance department between first connecting piece and the core of connecting piece down, the bar cardboard inserts in the integrated slot of first transverse groove and second transverse groove, accomplish the connection of two cores, this kind of connection structure is firm, and lower connecting piece and last connecting piece simple structure, convenient integration injection moulding, simple process and with low costs, convenient popularization and use.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a lithium battery and a battery cell module according to the present utility model;

FIG. 2 is a schematic diagram of a lithium battery and a connection member of a battery cell module according to the present utility model;

FIG. 3 is a schematic view of the structure of a lithium battery and a lower connection member of the battery cell module of the present utility model;

fig. 4 is a schematic structural view of a lithium battery and cell module wire clamping mechanism of the present utility model.

In the figure: 1. a core; 2. a lower connecting piece; 3. an upper connecting piece; 4. a first fixed block; 5. a first connection block; 6. a first transverse slot; 7. a vertical groove; 8. a second fixed block; 9. a second connection block; 10. a second transverse slot; 11. a limiting block; 12. a strip-shaped cavity; 13. a strip-shaped clamping plate; 14. a wire clamping mechanism; 15. a turnover plate; 16. a fixing plate; 17. a semi-cylindrical groove; 18. a clamping groove; 19. a clamping claw; 20. a shifting block; 21. and a through hole.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1, the battery cell module comprises a core body 1, wherein two sides of the core body 1 are respectively provided with a lower connecting piece 2 and an upper connecting piece 3, as shown in fig. 2, the upper connecting piece 3 comprises a first fixing block 4 and a first connecting block 5, the first fixing block 4 is connected with the core body 1, the first connecting block 5 is arranged at the bottom end of the first fixing block 4, and a first transverse groove 6 and a vertical groove 7 are formed on the inner side surface of the first connecting block 5 in a crossing manner. As shown in fig. 3, the lower connecting piece 2 includes second fixed block 8 and second connecting block 9, second fixed block 8 is connected with core 1, second connecting block 9 sets up in the top of second fixed block 8, the medial surface cross of second connecting block 9 is equipped with second transverse groove 10 and stopper 11, the position of second transverse groove 10 corresponds with the position of first transverse groove 6, stopper 11 cooperatees with perpendicular groove 7, the inside of second fixed block 8 is equipped with bar chamber 12, be equipped with bar cardboard 13 in the bar chamber 12, utilize lower connecting piece 2 and last connecting piece 3 cooperation bar cardboard 13 to carry out the connection between the different cores 1, stable in structure, and lower connecting piece 2 and last connecting piece 3 simple structure, convenient integration injection moulding, and simple process and with low costs, convenient popularization and use.

The width of the first fixing block 4 is the same as the width of the second fixing block 8, and the sum of the widths of the first connecting block 5 and the second connecting block 9 is equal to the width of the first fixing block 4, so that the lower connecting piece 2 and the upper connecting piece 3 are conveniently and tightly attached. The thickness of the first transverse groove 6 and the thickness of the second transverse groove 10 are the same as those of the strip-shaped clamping plate 13, and the sum of the widths of the first transverse groove 6 and the second transverse groove 10 is equal to the width of the strip-shaped clamping plate 13, so that a gap cannot appear when the strip-shaped clamping plate 13 is inserted into the combined groove of the first transverse groove 6 and the second transverse groove 10, and the lower connecting piece 2 is tightly connected with the upper connecting piece 3.

Wherein, the length of bar cardboard 13 is greater than the length of first horizontal groove 6, the length of second horizontal groove 10 and the length in bar chamber 12, and the one end of bar cardboard 13 is equipped with through-hole 21 for bar cardboard 13 is when inserting bar chamber 12 or the integrated slot of first horizontal groove 6 and second horizontal groove 10, and its tip homoenergetic is exposed, cooperates through-hole 21, conveniently takes out it.

As shown in fig. 4, the end portion of the core 1 is provided with a wire clamping mechanism 14, the wire clamping mechanism 14 includes a turnover plate 15 and a fixing plate 16 hinged to each other, the fixing plate 16 is connected with the core 1, a plurality of semi-cylindrical grooves 17 corresponding to each other are provided on the inner side surface of the turnover plate 15 and the inner side surface of the fixing plate 16, the corresponding semi-cylindrical grooves 17 cooperate to form cylindrical grooves, connecting wires between different cores 1 are clamped and fixed, a clamping groove 18 is provided on the top of the fixing plate 16, a clamping claw 19 matched with the clamping groove 18 is provided on the top of the turnover plate 15, and the turnover plate 15 is connected with the fixing plate 16 conveniently. The top of the turnover plate 15 is provided with a shifting block 20, so that the turnover plate 15 can be turned over conveniently, and the wire clamping mechanism 14 can be opened or closed.

During operation, two cores 1 are placed in parallel towards the same direction, the lower connecting piece 2 of one core 1 is matched with the upper connecting piece 3 of the other core 1, the second connecting piece 9 of the lower connecting piece 2 is inserted into a gap between the first connecting piece 5 of the upper connecting piece 3 and the core 1, the strip clamping plate 13 is taken out from the strip cavity 12 and is inserted into a combined groove of the first transverse groove 6 and the second transverse groove 10, and the connection of the two cores 1 is completed. Wherein, through the cooperation of first horizontal groove 6, second horizontal groove 10 and bar cardboard 13, can restrict down between connecting piece 2 and the last connecting piece 3 take place relative displacement on the face of perpendicular to bar cardboard 13, through perpendicular groove 7 cooperation stopper 11, can restrict down between connecting piece 2 and the last connecting piece 3 take place relative displacement on the line that is on a parallel with bar cardboard 13, consequently, connecting piece 2 and the all-round mutual fixation of last connecting piece 3 down, the connection is firm.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an electricity mandrel group, including core (1), a serial communication port, the both sides of core (1) are equipped with down connecting piece (2) and last connecting piece (3) respectively, go up connecting piece (3) and include first fixed block (4) and first connecting piece (5), first fixed block (4) are connected with core (1), first connecting piece (5) set up in the bottom of first fixed block (4), the medial surface cross of first connecting piece (5) is equipped with first transverse groove (6) and erects groove (7), lower connecting piece (2) include second fixed block (8) and second connecting block (9), second fixed block (8) are connected with core (1), second connecting block (9) set up in the top of second fixed block (8), the medial surface cross of second connecting block (9) is equipped with second transverse groove (10) and stopper (11), the position of second transverse groove (10) corresponds with the position of first transverse groove (6), stopper (11) and erects groove (7) and cooperatees in bar-shaped cavity (12), inside bar-shaped cavity (12) are equipped with bar-shaped cavity (12).

2. A battery module according to claim 1, characterized in that the width of the first fixing block (4) is the same as the width of the second fixing block (8), and the sum of the widths of the first connecting block (5) and the second connecting block (9) is the same as the width of the first fixing block (4).

3. A battery cell module according to claim 1, wherein the thickness of the first transverse groove (6) and the thickness of the second transverse groove (10) are the same as the thickness of the strip-shaped clamping plate (13), and the sum of the widths of the first transverse groove (6) and the second transverse groove (10) is the same as the width of the strip-shaped clamping plate (13).

4. A battery module according to claim 1, characterized in that the length of the strip-shaped clamping plate (13) is larger than the length of the first transverse groove (6), the length of the second transverse groove (10) and the length of the strip-shaped cavity (12), and one end of the strip-shaped clamping plate (13) is provided with a through hole (21).

5. The battery cell module according to claim 1, wherein the end part of the core body (1) is provided with a wire clamping mechanism (14), the wire clamping mechanism (14) comprises a turnover plate (15) and a fixing plate (16) which are hinged with each other, the fixing plate (16) is connected with the core body (1), a plurality of semi-cylindrical grooves (17) corresponding to each other are formed in the inner side surface of the turnover plate (15) and the inner side surface of the fixing plate (16), a clamping groove (18) is formed in the top of the fixing plate (16), and a clamping claw (19) matched with the clamping groove (18) is formed in the top of the turnover plate (15).

6. A battery module according to claim 5, characterized in that the top end of the flip plate (15) is provided with a pulling block (20).

7. A lithium battery comprising the cell module of any one of claims 1-6.