CN220692268U

CN220692268U - Battery cell nickel sheet structure of battery pack

Info

Publication number: CN220692268U
Application number: CN202322337258.8U
Authority: CN
Inventors: 杨海岳; 杨亚辉; 邢玉兰; 徐志敏; 孟志华
Original assignee: ZHEJIANG ZHONGJIAN TECHNOLOGY CO LTD
Current assignee: ZHEJIANG ZHONGJIAN TECHNOLOGY CO LTD
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-03-29
Anticipated expiration: 2033-08-30

Abstract

The application discloses battery pack's electric core nickel piece structure, including upper and lower nickel piece, electric core and PCB board, upper and lower nickel piece sets up in order to realize establishing ties or parallelly connected between the electric core at the both ends of electric core, upper and lower nickel piece is provided with Z type pin, be provided with L type draw-in groove on the PCB board correspondingly, Z type pin includes perpendicular to upper and lower nickel piece's vertical part and to the spacing portion that the PCB board extends, L type draw-in groove includes placing part and joint portion, Z type pin is arranged in place behind the portion promote the PCB board makes spacing portion with joint portion joint, only need place Z type pin of electric core nickel piece in place behind the portion promote the PCB board makes spacing portion with joint portion joint is fixed, easy operation is convenient; the transition fillets are arranged between the placing part and the clamping part, so that the operation is faster.

Description

Battery cell nickel sheet structure of battery pack

Technical Field

The application relates to the technical field of battery packs, in particular to a battery cell nickel sheet structure of a battery pack.

Background

In the existing battery pack, as in the patent of the utility model with the application number of CN2022217982267, a battery pack is disclosed, pins are arranged on a nickel plate of an electric core and welded and fixed after penetrating through jacks of a PCB (printed circuit board), when the number of the pins is too large, and the hardness of the nickel plate is lower, the pins are easy to bend, so that the problems that the matching is difficult and the pins are difficult to insert into the jacks are caused, and the production efficiency of the battery pack is greatly influenced.

Disclosure of Invention

To the not enough of prior art, this application provides a battery pack's electric core nickel piece structure for electric core nickel piece and the assembly of PCB board are simple and convenient more.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a battery pack's electric core nickel piece structure, includes upper and lower nickel piece, electric core and PCB board, upper and lower nickel piece sets up in order to realize establishing ties or parallelly connected between the electric core at the both ends of electric core, upper and lower nickel piece is provided with Z style of calligraphy pin, correspond on the PCB board and be provided with L type draw-in groove, Z style of calligraphy pin includes the perpendicular to upper and lower nickel piece vertical portion and to the spacing portion that the PCB board extends, L type draw-in groove is including placing portion and joint portion, Z style of calligraphy pin is arranged in place the portion back promotes the PCB board makes spacing portion with joint portion joint.

In the above technical scheme, further, a transition part is arranged between the placing part and the clamping part, and the transition part is a round angle.

In the above technical scheme, further, the battery cell both ends still are provided with the support, the support outside is provided with spacing convex part and prevents the battery cell is deviate from in the support, spacing convex part is for the PCB board provides the support.

In the above technical scheme, further, the thickness of the PCB board is T1, the thickness of the limiting protruding portion is T2, and the height of the vertical portion is H1, where H1 is not less than t1+t2.

In the above technical solution, further, the width of the zigzag pin is W1, and the width of the placement portion is W2, where W1 is greater than or equal to W2.

In the above technical scheme, further, the upper and lower nickel plates are provided with at least one welding area, and the welding area is internally provided with a hollow I-shaped groove.

The beneficial effects of this application lie in: 1. the Z-shaped pins of the battery cell nickel sheet are arranged on the placing part and then push the PCB to enable the limiting part to be clamped and fixed with the clamping part, so that the operation is simple and convenient; 2. the transition fillets are arranged between the placing part and the clamping part, so that the operation is faster.

Drawings

The present application is further described below with reference to the drawings and examples.

Fig. 1 is a schematic structural view of an elevation of the present application.

Fig. 2 is an enlarged partial schematic view at a of fig. 1 of the present application.

Fig. 3 is a schematic view showing a state in which the Z-shaped pins of the present application are placed on the placement portion.

Fig. 4 is a schematic structural view of the explosion of fig. 1 of the present application.

Fig. 5 is a schematic structural view of the upper and lower nickel plates of the present application.

In the figure, the upper nickel plate, the lower nickel plate, the 11-Z-shaped pins, the 111-vertical part, the 112-limiting part, the 12-welding area, the 2-battery core, the 3-PCB board, the 31-L-shaped clamping groove, the 311-placing part, the 312-clamping part, the 313-transitional part, the 4-bracket and the 41-limiting convex part are arranged.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without making any inventive effort, are intended to be within the scope of the present application. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.

Referring to fig. 1-5, a battery cell 2 nickel sheet structure of a battery pack comprises an upper nickel sheet 1, a lower nickel sheet 1, a battery cell 2 and a PCB board 3, wherein the upper nickel sheet 1 and the lower nickel sheet 1 are arranged at two ends of the battery cell 2 to realize series connection or parallel connection between the battery cells 2, the upper nickel sheet 1 and the lower nickel sheet 1 are provided with Z-shaped pins 11, the PCB board 3 is correspondingly provided with an L-shaped clamping groove 31, the L-shaped clamping groove 31 can be arranged at the edge of the PCB board 3 and can also be arranged in a through hole formed in the middle of the PCB board 3, the Z-shaped pins 11 comprise vertical parts 111 perpendicular to the upper nickel sheet 1 and limiting parts 112 extending towards the PCB board 3, the L-shaped clamping groove 31 comprises a placing part 311 and a clamping part 312, the Z-shaped pins 11 are arranged at the rear of the placing part 311 to push the PCB board 3 so that the limiting parts 112 are clamped with the clamping parts 312, the upper nickel sheet 1 and the lower nickel sheet 1 are provided with at least one welding area 12, and the welding area 12 is internally provided with an h-shaped hollow groove.

In order to make the card insertion process smoother, a transition portion 313 is disposed between the placement portion 311 and the clamping portion 312, and the transition portion 313 is a rounded corner.

In order to enable the PCB to be supported, the two ends of the battery cell 2 are further provided with brackets 4, limiting protruding portions 41 are arranged on the outer sides of the brackets 4 to prevent the battery cell 2 from being separated from the brackets 4, the limiting protruding portions 41 provide support for the PCB 3, the thickness of the PCB 3 is T1, the thickness of the limiting protruding portions 41 is T2, and the height of the vertical portion 111 is H1, and H1 is not smaller than T1+T2.

In order to make it more convenient for the Z-shaped lead 11 to be placed on the placement portion 311, the width of the Z-shaped lead 11 is W1, and the width of the placement portion 311 is W2, where W1 is greater than W2.

The structure is simple, the Z-shaped pins of the battery cell nickel sheet are arranged on the placing part and then push the PCB to enable the limiting part to be clamped and fixed with the clamping part, and the operation is simple and convenient; the transition fillets are arranged between the placing part and the clamping part, so that the operation is faster.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present application and is not intended to limit the present application in any way, and simple modifications, equivalent changes or modifications can be made without departing from the technical solutions of the present application, all falling within the scope of the present application.

Claims

1. The utility model provides a battery pack's electric core nickel piece structure, includes nickel piece, electric core and PCB board from top to bottom, nickel piece sets up in order to realize establishing ties or parallelly connected between the electric core at the both ends of electric core from top to bottom, its characterized in that:

the upper and lower nickel plates are provided with Z-shaped pins, the PCB is correspondingly provided with L-shaped clamping grooves,

the Z-shaped pin comprises a vertical part perpendicular to the upper and lower nickel sheets and a limit part extending towards the PCB,

the L-shaped clamping groove comprises a placing part and a clamping part,

the Z-shaped pins are arranged on the placing part and then push the PCB to enable the limiting part to be clamped with the clamping part.

2. The battery pack battery cell nickel sheet structure according to claim 1, wherein a transition part is arranged between the placing part and the clamping part, and the transition part is a round angle.

3. The battery pack battery cell nickel sheet structure according to claim 1, wherein brackets are further arranged at two ends of the battery cell, limiting protruding portions are arranged on the outer sides of the brackets to prevent the battery cell from being separated from the brackets, and the limiting protruding portions provide support for the PCB.

4. The battery pack battery cell nickel sheet structure according to claim 3, wherein the thickness of the PCB is T1, the thickness of the limiting protruding portion is T2, and the height of the vertical portion is H1, wherein H1 is not less than T1+T2.

5. The battery pack battery cell nickel plate structure according to claim 1, wherein the width of the zigzag pins is W1, and the width of the placement portion is W2, and W1 is greater than W2.

6. The battery pack cell nickel sheet structure according to claim 1, wherein the upper and lower nickel sheets are provided with at least one welding area, and the welding area is internally provided with a hollow I-shaped groove.