CN219658837U

CN219658837U - Battery pack packaging structure

Info

Publication number: CN219658837U
Application number: CN202320317511.0U
Authority: CN
Inventors: 邓勇明; 陈雄伟; 何学明
Original assignee: Shenzhen Cpkd Technology Co ltd
Current assignee: Shenzhen Cpkd Technology Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-09-08
Anticipated expiration: 2033-02-27

Abstract

The utility model belongs to the technical field of battery packs, in particular to a battery pack packaging structure, which aims at the problems that after the battery pack is packaged by utilizing a shell, the shell is required to be sealed by a plurality of screws to prevent the battery pack from being separated from the shell, and after the battery pack is installed by the screws, the screws slide on the screws and are not easy to open in the process of later replacement of the battery pack.

Description

Battery pack packaging structure

Technical Field

The utility model relates to the technical field of battery packs, in particular to a battery pack packaging structure.

Background

The battery packs are connected in series and in parallel, the voltage of each battery is required to be the same in the parallel battery packs, the output voltage is equal to the voltage of one battery, the parallel battery packs can provide stronger current, and the packaging of the battery packs is generally packaged through a shell.

In prior art, after utilizing the shell to encapsulate the group battery, still need seal the shell through a plurality of screws, prevent that the group battery from breaking away from the shell, install the back through the screw, the screw slide wire when later stage change group battery is difficult to open, consequently we propose a group battery packaging structure for solve above-mentioned problem.

Disclosure of Invention

The utility model aims to solve the defects that after a battery pack is packaged by utilizing a shell, the shell is also required to be sealed by a plurality of screws, the battery pack is prevented from being separated from the shell, and after the battery pack is mounted by the screws, the screws slide and are not easy to open when the battery pack is replaced in a later period.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a group battery packaging structure, includes the shell, the inner wall sliding connection of shell has the gasket, the inner wall sliding connection of shell has a plurality of lithium cell, the outer wall of lithium cell contacts with the outer wall of gasket, the outer wall fixedly connected with power cord of lithium cell, the outer wall fixedly connected with nickel piece of lithium cell, the outer wall fixedly connected with lithium cell protection shield of nickel piece, the bottom fixedly connected with oval ring of shell, the outer wall sliding connection of oval ring has the bottom, the inside of oval ring is equipped with latch mechanism.

Preferably, the latch mechanism includes four rectangle covers, the inner wall fixedly connected with four reference columns of bottom, the outer wall of four rectangle covers all rotates with the outer wall fixed connection of oval ring, rectangular channel has been seted up to the outer wall of reference column, and the inner wall sliding connection of rectangular channel has spacing post, the outer wall fixedly connected with two connecting rods of spacing post, the round hole has all been seted up to the outer wall of two connecting rods, the inner wall fixedly connected with horizontal pole of round hole, the outer wall cover of horizontal pole is equipped with the wind spring, the outer wall rotation of connecting rod is connected with the slider, makes the horizontal pole rotate through setting up the wind spring to make the connecting rod drive spacing post and rotate.

Preferably, the outer wall of the lithium battery protection plate is fixedly connected with positive and negative electrode welding sheets, and two contact holes are formed in the top of the shell.

Preferably, the outer wall of the positioning column is in sliding connection with the inner wall of the rectangular sleeve, and the positioning column is arranged to facilitate the matching of the bottom cover and the elliptical ring.

Preferably, one end of the coil spring is fixedly connected with the outer wall of the cross rod, and the other end of the coil spring is fixedly connected with the inner wall of the rectangular sleeve.

Preferably, a plurality of bar holes are formed in the outer wall of the elliptical ring, the inner wall of each bar hole is in sliding connection with the outer wall of the connecting rod, and the connecting rod is assisted to move through the bar holes.

Preferably, the outer wall of the sliding block is in sliding connection with the outer wall of the elliptical ring.

Compared with the prior art, the utility model has the advantages that:

according to the scheme, a plurality of lithium batteries are wrapped through the PE blue film to form a battery pack, and the positioning column is limited by arranging the elliptical ring, the bottom cover, the positioning column, the rectangular sleeve, the limiting column, the connecting rod, the coil spring, the sliding block and the cross rod, so that the bottom cover is contacted with the gasket, the gasket and the lithium batteries are prevented from sliding out of the shell, and the battery pack is convenient to replace.

Drawings

Fig. 1 is a schematic perspective view of a battery pack packaging structure according to the present utility model;

fig. 2 is a schematic cross-sectional structure of a battery pack packaging structure according to the present utility model;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 of a battery pack packaging structure according to the present utility model;

fig. 4 is a schematic view illustrating a partial cross-sectional structure of a battery pack packaging structure according to the present utility model.

In the figure: 1. a housing; 2. a gasket; 3. a lithium battery; 4. a power line; 5. nickel flakes; 6. a lithium battery protection plate; 7. positive and negative electrode welding pieces; 8. an elliptical ring; 9. a bottom cover; 10. positioning columns; 11. a rectangular sleeve; 12. a limit column; 13. a connecting rod; 14. a coil spring; 15. a slide block; 16. a cross bar.

Detailed Description

The utility model provides a battery pack packaging structure, shown by fig. 1, fig. 2 and fig. 4, including shell 1, the inner wall sliding connection of shell 1 has gasket 2, the inner wall sliding connection of shell 1 has a plurality of lithium cell 3, the outer wall of lithium cell 3 contacts with the outer wall of gasket 2, the outer wall fixedly connected with power cord 4 of lithium cell 3, the outer wall fixedly connected with nickel piece 5 of lithium cell 3, the outer wall fixedly connected with lithium cell protection shield 6 of nickel piece 5, the voltage of battery cell and the electric current of charging and discharging return circuit are monitored to lithium cell protection shield 6, the break-make of instant control electric current return circuit, the outer wall fixedly connected with positive and negative pole welding piece 7 of lithium cell protection shield 6, two contact holes have been seted up at the top of shell 1, the bottom fixedly connected with oval ring 8 of shell 1, the outer wall sliding connection of oval ring 8 has bottom 9, cooperate the use between bottom 9 and the oval ring 8, the inside of oval ring 8 is equipped with latch mechanism.

As shown in fig. 1-4, the latch mechanism comprises four rectangular sleeves 11, four positioning columns 10 are fixedly connected to the inner wall of the bottom cover 9, the outer walls of the four rectangular sleeves 11 are fixedly connected with the outer wall of the elliptical ring 8, the positioning columns 10 slide into the rectangular sleeves 11 to enable the bottom cover 9 to be attached to the elliptical ring 8, the outer wall of the positioning columns 10 is in sliding connection with the inner wall of the rectangular sleeves 11, rectangular grooves are formed in the outer wall of the positioning columns 10, limit columns 12 are in sliding connection with the inner wall of the rectangular grooves, two connecting rods 13 are fixedly connected to the outer wall of the limit columns 12, a plurality of strip-shaped holes are formed in the outer wall of the elliptical ring 8, the inner wall of each strip-shaped hole is in sliding connection with the outer wall of each connecting rod 13, round holes are formed in the outer walls of the two connecting rods 13, cross rods 16 are fixedly connected with coil springs 14, the outer wall of each cross rods 16 are sleeved with cross rods 14, one ends of the limit columns 12 are positioned in the rectangular grooves, the other ends of the coil springs 14 are fixedly connected with the inner walls of the rectangular sleeves 11, sliding blocks 15 are in sliding connection with the outer walls of the connecting rods 13, and the sliding blocks 15 drive the connecting rods 12 to rotate, and the outer walls of the connecting rods 15 are in sliding connection with the outer walls of the elliptical ring 8.

Working principle: when the lithium battery 3 is installed on the gasket 2 in use, a plurality of lithium batteries 3 are wrapped through PE blue films to form a battery pack, the battery pack is placed in the shell 1, the bottom cover 9 slides into the rectangular sleeve 11 through the positioning columns 10, the sliding blocks 15 slide at the moment to enable the connecting rods 13 to drive the limiting columns 12 to rotate, the sliding blocks 15 are loosened to enable the coil springs 14 to drive the cross rods 16 to rotate, the cross rods 16 enable the connecting rods 13 to reset, the limiting columns 12 are located in the rectangular grooves, the positioning columns 10 are limited, the bottom cover 9 is enabled to be in contact with the gasket 2, the gasket 2 and the lithium battery 3 are prevented from sliding out of the shell 1, and when the two sliding blocks 15 are moved simultaneously, the limiting of the positioning columns 10 is released, so that the battery pack is convenient to replace.

The foregoing 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 will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.

Claims

1. The utility model provides a group battery packaging structure, includes shell (1), its characterized in that, the inner wall sliding connection of shell (1) has gasket (2), the inner wall sliding connection of shell (1) has a plurality of lithium cell (3), the outer wall of lithium cell (3) contacts with the outer wall of gasket (2), the outer wall fixedly connected with power cord (4) of lithium cell (3), the outer wall fixedly connected with nickel piece (5) of lithium cell (3), the outer wall fixedly connected with lithium cell protection shield (6) of nickel piece (5), the bottom fixedly connected with oval ring (8) of shell (1), the outer wall sliding connection of oval ring (8) has bottom (9), the inside of oval ring (8) is equipped with latch mechanism.

2. The battery pack packaging structure according to claim 1, wherein the locking mechanism comprises four rectangular sleeves (11), four positioning columns (10) are fixedly connected to the inner wall of the bottom cover (9), the outer walls of the four rectangular sleeves (11) are fixedly connected with the outer wall of the elliptical ring (8), rectangular grooves are formed in the outer walls of the positioning columns (10), limit columns (12) are slidably connected to the inner walls of the rectangular grooves, two connecting rods (13) are fixedly connected to the outer walls of the limit columns (12), round holes are formed in the outer walls of the two connecting rods (13), cross bars (16) are fixedly connected to the inner walls of the round holes, coil springs (14) are sleeved on the outer walls of the cross bars (16), and sliding blocks (15) are rotatably connected to the outer walls of the connecting rods (13).

3. The battery pack packaging structure according to claim 1, wherein the outer wall of the lithium battery protection plate (6) is fixedly connected with positive and negative electrode welding sheets (7), and two contact holes are formed in the top of the shell (1).

4. A battery pack packaging structure according to claim 2, wherein the outer wall of the positioning column (10) is slidingly connected with the inner wall of the rectangular sleeve (11).

5. The battery pack packaging structure according to claim 2, wherein one end of the coil spring (14) is fixedly connected with the outer wall of the cross bar (16), and the other end of the coil spring (14) is fixedly connected with the inner wall of the rectangular sleeve (11).

6. The battery pack packaging structure according to claim 2, wherein the outer wall of the elliptical ring (8) is provided with a plurality of strip-shaped holes, and the inner wall of each strip-shaped hole is in sliding connection with the outer wall of the connecting rod (13).

7. A battery pack packaging structure according to claim 2, wherein the outer wall of the slider (15) is slidingly connected with the outer wall of the elliptical ring (8).