CN218602607U

CN218602607U - Packaging structure of lithium battery cell

Info

Publication number: CN218602607U
Application number: CN202221798583.3U
Authority: CN
Inventors: 赵靖; 黄杰; 许勇
Original assignee: Sichuan Jiayi Leike Electronic Technology Co ltd
Current assignee: Sichuan Jiayi Xinneng Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-03-10
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a packaging structure of a lithium battery cell, which comprises a packaging box and a box cover; the packaging box is characterized in that a conducting strip A is laid at the lower end inside the packaging box, a clamping piece is vertically installed at the bottom of the inner side of the packaging box, a battery cell is installed in the clamping piece, a box cover is installed at the top of the packaging box, a telescopic cylinder is installed at the top of the inner side of the box cover, the bottom of the telescopic cylinder is fixedly installed on a conducting strip B, and a spring is sleeved outside the telescopic cylinder. As a preferred embodiment of the present invention, the conducting strip a and the conducting strip B are installed with a wire on the top of the left side. The utility model discloses its conducting strip A and conducting strip B all do not adopt welded fastening with electric core, and its lid is dismantled the back electric core and can be located the free dismouting of clamping piece to the change work of the electric core of being convenient for need wholly change the wasting of resources and the cost-push that causes when wherein a small number of electric cores break down, and stable in structure is reliable when just encapsulating, and the practicality is stronger.

Description

Packaging structure of lithium battery cell

Technical Field

The utility model relates to a lithium battery package technical field specifically is a packaging structure of lithium cell electricity core.

Background

Currently, lithium batteries are a type of battery using a nonaqueous electrolyte solution and using lithium metal or a lithium alloy as a positive/negative electrode material, and the lithium batteries are roughly classified into two types: the lithium battery does not contain metallic lithium and can be charged, and the components of the lithium battery are usually packaged and communicated through a plurality of groups of battery cells, but the existing packaging structure of the battery cells of the lithium battery has some insufficient places, for example;

the packaging structure of current lithium battery cell utilizes pyrocondensation membrane to encapsulate in a lot, and its encapsulation speed piece, at the bottom of the cost, its conducting strip generally all is with electric core direct weld, consequently often can't change alone when a small amount of in numerous electric cores breaks down, and general wasting of resources when it needs whole change, the cost is higher, and the later stage can't carry out maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a packaging structure of lithium cell electricity core has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a packaging structure of a lithium battery cell comprises a packaging box and a box cover;

the packaging box is characterized in that a conducting strip A is laid at the lower end inside the packaging box, a clamping piece is vertically installed at the bottom of the inner side of the packaging box, a battery cell is installed in the clamping piece, a box cover is installed at the top of the packaging box, a telescopic cylinder is installed at the top of the inner side of the box cover, the bottom of the telescopic cylinder is fixedly installed on a conducting strip B, and a spring is sleeved on the outer side of the telescopic cylinder.

As a preferred embodiment of the present invention, the conducting strip a and the conducting strip B are installed with a wire on the top of the left side.

As an optimized embodiment of the utility model, the embedded groove has been seted up all around to lid bottom, install sealed the pad in the embedded groove.

As a preferred embodiment of the present invention, the top of the conductive sheet a and the bottom of the conductive sheet B are integrally formed with contacts.

As a preferred embodiment of the utility model, install the screw hole post all around inside the encapsulation box, the mounting hole has been seted up all around to the lid.

As a preferred embodiment of the present invention, the number of the clamping pieces is plural.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model relates to a packaging structure of lithium cell electricity core, arrange in the clamping piece through electric core and can realize its range installation, and the lid can be located the packaging box top and install, utilize conducting strip A and conducting strip B can accomplish the UNICOM with the positive negative pole contact of electric core this moment, and can exert pressure downwards to conducting strip B through the spring, thereby make its conducting strip B can be tight with electric core contact, its conducting strip A of this packaging structure and conducting strip B all do not adopt welded fastening with electric core, electric core can be located the free dismouting of clamping piece after its lid is dismantled, thereby be convenient for the change work of electric core, avoid when wherein few electric cores break down the wasting of resources and the increase of cost that need wholly change to cause, and stable in structure is reliable during the encapsulation, the practicality is stronger.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of a top view structure of a package box of a package structure of a lithium battery cell of the present invention;

fig. 2 is a schematic front view of a packaging structure of a lithium battery cell of the present invention;

fig. 3 is a schematic diagram of a packaging box overlooking a cell removal structure of a packaging structure of a lithium battery cell of the present invention;

fig. 4 is a schematic view of a bottom view structure of a box cover of a packaging structure of a lithium battery cell of the present invention;

fig. 5 is the utility model relates to a packaging structure's of lithium cell electricity core lid orthographic cross-sectional structure sketch map.

In the figure: 1. packaging the box; 2. a clip; 3. an electric core; 4. a threaded post; 5. conducting plate A; 6. a contact; 7. a wire; 8. a box cover; 9. a conductive sheet B; 10. mounting holes; 11. a groove is embedded; 12. a gasket; 13. a telescopic cylinder; 14. a spring.

Detailed Description

Referring to fig. 1-5, the present invention provides a technical solution: a packaging structure of a lithium battery cell comprises a packaging box 1 and a box cover 8;

the packaging box comprises a packaging box 1 and is characterized in that a conducting strip A5 is laid at the lower end inside the packaging box 1, a clamping piece 2 is vertically installed at the bottom of the inner side of the packaging box 1, a battery cell 3 is installed in the clamping piece 2, a box cover 8 is installed at the top of the packaging box 1, a telescopic cylinder 13 is installed at the top of the inner side of the box cover 8, the bottom of the telescopic cylinder 13 is fixedly installed on a conducting strip B9, and a spring 14 is sleeved outside the telescopic cylinder 13.

In this embodiment (please refer to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5), the battery cell 3 is arranged in the clip 2, and the box cover 8 is arranged on the top of the packaging box 1, at this time, the conductive sheet A5 and the conductive sheet B9 are in contact with the positive electrode and the negative electrode of the battery cell 3 to complete communication, and the spring 14 applies downward pressure to the conductive sheet B9, so that the conductive sheet B9 can be tightly contacted with the battery cell 3.

In this embodiment (see fig. 3), the conducting strip A5 and the conducting strip B9 are provided with a wire 7 at the top ends of the left sides thereof, and the outward discharging and the inward transmission during the charging of the battery cell 3 can be realized through the wire 7.

In this embodiment (see fig. 4), an insertion groove 11 is formed around the bottom of the box cover 8, a sealing gasket 12 is installed in the insertion groove 11, and the top of the enclosure box 1 can be inserted into the insertion groove 11, so that the box cover 8 is more stable when being installed on the enclosure box 1, and the sealing performance of the installed box cover 8 can be improved by the sealing gasket 12.

In this embodiment (see fig. 3 and 5), the contacts 6 are integrally formed at the top of the conductive sheet A5 and the bottom of the conductive sheet B9, so that the contacts 6 can ensure that the conductive sheet A5 and the conductive sheet B9 are in contact with the positive and negative electrodes of the battery cell more reliably, and gaps are avoided.

In this embodiment (please refer to fig. 1 and fig. 4), the screw hole columns 4 are installed around the inside of the package box 1, the installation holes 10 are opened around the box cover 8, the screws can be inserted into the screw hole columns 4 through the installation holes 10 and then fixed, and at this time, the fixing work after the box cover 8 is installed can be completed.

In this embodiment (please refer to fig. 1 and fig. 3), the number of the clamping pieces 2 is multiple, and the mounting work of multiple groups of battery cells 3 can be realized through the design of the multiple groups of clamping pieces 2.

The utility model relates to a packaging structure of lithium battery cell, which comprises a packaging box 1; 2. a clamping piece; 3. an electric core; 4. a threaded post; 5. conducting plate A; 6. a contact; 7. a wire; 8. a box cover; 9. a conductive sheet B; 10. mounting holes; 11. a groove is embedded; 12. a gasket; 13. a telescopic cylinder; 14. the spring, the part is the common standard component or the part known by the technicians in this field, its structure and principle are known by the technical manual or by the routine experiment method, when using, firstly, the battery cell 3 is placed in the clamping piece 2, at this time, the arrangement and installation of the multiple groups of battery cells 3 in the packaging box 1 can be completed, and the box cover 8 is placed on the top of the packaging box 1 for installation, at this time, the conducting piece A5 and the conducting piece B9 are contacted with the positive and negative poles of the battery cell 3 for communication, the contact 6 can ensure that the contact between the conducting piece A5 and the conducting piece B9 and the positive and negative poles of the battery cell is more reliable, the gap is avoided, and the spring 14 can apply pressure downwards to the conducting piece B9, thereby the conducting piece B9 can be tightly contacted with the battery cell 3, meanwhile, the conducting strip B9 can be prevented from being deviated through the telescopic cylinder 13, the conducting strip A5 and the conducting strip B9 of the packaging structure are not welded and fixed with the battery cell 3, the battery cell 3 can be freely disassembled and assembled in the clamping piece 2 after the box cover 8 of the packaging structure is disassembled, thereby being convenient for the replacement work of the battery cell 3, avoiding the resource waste and the cost increase caused by the whole replacement when a few battery cells 3 break down, and having stable and reliable structure during packaging, stronger practicability, the top of the packaging box 1 can be embedded into the packaging box through the embedded groove 11, the box cover 8 is more stable when being arranged on the packaging box 1, the sealing performance after the box cover 8 is arranged can be improved through the sealing gasket 12, the screw can be inserted into the mounting hole 10 and then be positioned in the screw hole column 4 for fixation, and the fixing work after the box cover 8 is arranged can be finished at the moment.

Claims

1. A packaging structure of a lithium battery cell is characterized by comprising a packaging box (1) and a box cover (8);

conductive sheet A (5) have been laid to the inside low side of packaging box (1), clamping piece (2) are installed perpendicularly to packaging box (1) inboard bottom, install electric core (3) in clamping piece (2), lid (8) are installed at packaging box (1) top, telescopic cylinder (13) are installed at lid (8) inboard top, telescopic cylinder (13) bottom fixed mounting is in conductive sheet B (9), spring (14) have been put to telescopic cylinder (13) outside cover.

2. The packaging structure of a lithium battery cell of claim 1, characterized in that: and the top ends of the left sides of the conducting strip A (5) and the conducting strip B (9) are provided with a wire (7).

3. The packaging structure of a lithium battery cell of claim 1, characterized in that: an embedded groove (11) is formed in the periphery of the bottom of the box cover (8), and a sealing gasket (12) is installed in the embedded groove (11).

4. The packaging structure of a lithium battery cell of claim 1, characterized in that: and the top of the conducting strip A (5) and the bottom of the conducting strip B (9) are integrally formed with a contact (6).

5. The packaging structure of a lithium battery cell of claim 1, characterized in that: the packaging box is characterized in that screw hole columns (4) are mounted on the periphery inside the packaging box (1), and mounting holes (10) are formed in the periphery of the box cover (8).

6. The packaging structure of a lithium battery cell of claim 1, characterized in that: the number of the clamping pieces (2) is multiple groups.