CN218896673U

CN218896673U - Lithium battery cell structure convenient to equipment

Info

Publication number: CN218896673U
Application number: CN202223008739.6U
Authority: CN
Inventors: 何学祥; 桑成涛; 刘恩新
Original assignee: Guangdong Jiashang New Energy Technology Co ltd
Current assignee: Guangdong Jiashang New Energy Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-21
Anticipated expiration: 2032-11-11

Abstract

The utility model relates to the technical field of battery cell assembly, in particular to a lithium battery cell structure convenient to assemble, which comprises a shell, wherein a cavity is formed in the center of the top surface of the shell, grooves are formed in two sides of the cavity, and two vertical plates are arranged in the grooves; a sealing plate is arranged above the shell, connecting blocks are arranged at two sides of the bottom surface of the sealing plate, and clamping grooves are formed at two side walls of the connecting blocks; the vertical plates are provided with limiting parts for fixing the sealing plates on the top surface of the shell; through the assembled part that sets up: the electric core group is arranged at the frame in the cavity, and the electric core group can be installed and fixed under the action of the heat dissipation plates and the pressing plates at the upper side and the lower side; meanwhile, the sealing plate is limited on the top surface of the shell through the cooperation between the connecting block and the clamping block, when the battery cell group needs to be disassembled for maintenance, the clamping block is separated from the clamping groove, the limitation of the clamping block on the sealing plate can be relieved, and the shell can be opened to maintain the battery cell group, so that the operation difficulty is reduced.

Description

Lithium battery cell structure convenient to equipment

Technical Field

The utility model relates to the technical field of battery cell assembly, in particular to a lithium battery cell structure convenient to assemble.

Background

The battery cell refers to an electrochemical battery cell containing a positive electrode and a negative electrode, and the battery cell is divided into an aluminum shell battery cell, a soft package battery cell (also called as a polymer battery cell) and a cylindrical battery cell, wherein in daily life, the aluminum shell battery cell is more common, such as a mobile phone battery and the like; because the battery core is a semi-finished product and cannot be directly used as a battery, only power is provided, a protection circuit is needed, and the battery core is packaged by a shell to form a finished battery, so that a plurality of battery cores are needed to be assembled for use; at present, when assembling a plurality of electric cores, a plurality of electric cores need to be assembled in a shell, and seal the processing to the shell after the equipment is finished, but when partial shell is sealed, be used for fixing through welded mode between the shrouding of sealing and the shell, when certain electric core breaks down, this equipment mode makes the maintenance of electric core and change very inconvenient, has increased the degree of difficulty of operation, in view of this, we propose the lithium cell electric core structure of being convenient for equipment.

Disclosure of Invention

The utility model aims to provide a lithium battery cell structure which is convenient to assemble so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the lithium battery cell structure convenient to assemble comprises an assembling part;

the assembly part comprises a shell, a cavity is formed in the center of the top surface of the shell, grooves are formed in two sides of the cavity, and two vertical plates are arranged in the grooves; a sealing plate is arranged above the shell, connecting blocks are arranged at two sides of the bottom surface of the sealing plate, and clamping grooves are formed at two side walls of the connecting blocks; the vertical plates are provided with limiting parts for fixing the sealing plates on the top surface of the shell;

the limiting part is used for assembling the sealing plate and the shell and comprises a connecting rod which is slidably arranged at the vertical plate, a clamping block is arranged at one end of the connecting rod, which is close to the connecting block, and the clamping block is clamped with the clamping groove and limits the connecting block in the cavity; springs for propping against the clamping blocks to enable the clamping blocks to be clamped into the clamping grooves are sleeved on the connecting rods.

As the preferable technical scheme of the utility model, the center of the cavity is provided with the frame, the battery cell group is arranged in the frame, the upper side and the lower side of the frame are provided with the radiating plates for radiating, two opposite side walls of the two radiating plates are provided with the plurality of radiating grooves, and one side of the radiating plate is provided with the pressing plate for clamping the radiating plate and the battery cell group in the frame.

As a preferable technical scheme of the utility model, a plurality of connecting grooves communicated with the heat dissipation grooves are formed on the partition plate between the cavity and the groove, and strip-shaped grooves for heat dissipation are formed on the front side wall and the rear side wall of the shell.

As a preferable technical scheme of the utility model, the plurality of radiating grooves are distributed in a linear equidistant manner.

As a preferable technical scheme of the utility model, notches are formed at two sides of the bottom surface of the connecting block, and the tail ends of the clamping blocks are inclined.

As a preferable technical scheme of the utility model, one end of the connecting rod, which is far away from the clamping block, extends to the outside of the shell, and the tail end of the connecting rod is provided with the shifting block.

As a preferable technical scheme of the utility model, the whole shape of the connecting rod is rectangular, and the connecting rod is a finished product made of plastic materials.

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

through the assembled part that sets up: the electric core group is arranged at the frame in the cavity, and the electric core group can be installed and fixed under the action of the heat dissipation plates and the pressing plates at the upper side and the lower side; meanwhile, the sealing plate is limited on the top surface of the shell through the cooperation between the connecting block and the clamping block, when the battery cell group needs to be disassembled for maintenance, the clamping block is separated from the clamping groove, the limitation of the clamping block on the sealing plate can be relieved, and the shell can be opened to maintain the battery cell group, so that the operation difficulty is reduced.

Drawings

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

FIG. 2 is a schematic diagram of the overall explosive structure of the present utility model;

FIG. 3 is a top view of the housing of the present utility model;

FIG. 4 is a schematic view of a seal plate according to the present utility model;

FIG. 5 is a schematic view of a partially exploded view of an assembly part according to the present utility model;

fig. 6 is an enlarged schematic view of the portion a of the present utility model 3.

In the figure:

an assembling part; 11. a housing; 111. a cavity; 112. a groove; 113. a riser; 12. a sealing plate; 121. a connecting block; 1211. a clamping groove; 1212. a notch; 13. a frame; 14. a cell group; 15. a heat dissipation plate; 151. a heat sink; 16. a pressing plate; 17. a shifting block; 18. a limit part; 181. a connecting rod; 182. a clamping block; 183. and (3) a spring.

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.

The embodiment provides a technical scheme:

referring to fig. 1 to 6, a lithium battery cell structure for easy assembly includes an assembly part 1; the assembly part 1 comprises a shell 11, a cavity 111 is formed in the center of the top surface of the shell 11, grooves 112 are formed in two sides of the cavity 111, two vertical plates 113 are arranged in the grooves 112, and the vertical plates 113 are tightly adhered to the grooves 112; a sealing plate 12 is arranged above the shell 11, connecting blocks 121 are arranged at two sides of the bottom surface of the sealing plate 12, and clamping grooves 1211 are formed at two side walls of the connecting blocks 121; the center of the cavity 111 is provided with a frame 13, the frame 13 is matched with the cavity 111 in size, a battery cell group 14 is arranged in the frame 13, the upper side and the lower side of the frame 13 are respectively provided with a heat dissipation plate 15 for heat dissipation, two opposite side walls of the two heat dissipation plates 15 are respectively provided with a plurality of heat dissipation grooves 151, and one side of the heat dissipation plate 15 is respectively provided with a pressing plate 16 for clamping the heat dissipation plate 15 and the battery cell group 14 in the frame 13

Specifically, the vertical plates 113 are provided with limiting parts 18 for fixing the sealing plate 12 on the top surface of the shell 11; a limiting part 18 for assembling the sealing plate 12 and the housing 11, comprising a connecting rod 181 slidably mounted at the vertical plate 113, wherein a clamping block 182 is mounted at one end of the connecting rod 181 close to the connecting block 121, the clamping block 182 is tightly adhered to the connecting rod 181, and the clamping block 182 is clamped with a clamping groove 1211 and limits the connecting block 121 in the cavity 111; springs 183 for abutting against the clamping blocks 182 to clamp the clamping blocks 182 into the clamping grooves 1211 are sleeved on the connecting rods 181;

in this embodiment, a plurality of connection grooves communicated with the heat dissipation grooves 151 are formed in the partition plate between the cavity 111 and the groove 112, and strip grooves for heat dissipation are formed in the front and rear side walls of the housing 11, and the heat dissipation grooves 151, the connection grooves and the strip grooves are arranged to facilitate heat dissipation of the battery cell group 14 and avoid overheating of the battery cell group 14.

In the present embodiment, the plurality of heat dissipation grooves 151 are distributed in a linear and equidistant manner, and the arrangement of the plurality of heat dissipation grooves 151 is beneficial to improving the heat dissipation efficiency of the battery cell group 14.

In this embodiment, the two sides of the bottom surface of the connection block 121 are provided with notches 1212, the ends of the clamping blocks 182 are inclined, when the connection block 121 is inserted downward, the bottom ends of the connection block 121 press the clamping blocks 182 on the two sides, the notches 1212 contact the inclined surfaces on the clamping blocks 182, and the connection block 121 is pressed between the two clamping blocks 182, i.e. the clamping blocks 182 are clamped into the clamping grooves 1211.

In this embodiment, one end of the connecting rod 181 away from the clamping block 182 extends to the outside of the housing 11, and the terminal end of the connecting rod 181 is provided with the shifting block 17, and the setting of the shifting block 17 is convenient for shifting the connecting rod 181 to move, so that the clamping block 182 is convenient to be separated from the clamping groove 1211 by shifting the connecting rod 181, thereby being convenient for removing the limitation on the sealing plate 12 and facilitating the overhaul of the battery cell group 14.

In this embodiment, the overall shape of the connecting rod 181 is rectangular, and the connecting rod 181 is a plastic product, so that when the connecting rod 181 slides horizontally along the vertical plate 113, the connecting rod 181 will not rotate, thereby facilitating the engagement between the clamping block 182 and the clamping groove 1211.

It should be added that after the sealing plate 12 and the housing 11 in this embodiment are assembled, the pressing plates 16 at the upper and lower ends respectively abut against the bottom surface of the cavity 111 and the bottom surface of the sealing plate 12, and this design makes the upper and lower pressing plates 16 capable of realizing stable clamping on the battery cell group 14, so as to ensure the stability of the battery cell group 14 after being installed.

In specific assembly, a user first places one of the pressing plates 16 at the bottom of the cavity 111 and places one of the heat dissipation plates 15 above the pressing plate 16, simultaneously places the frame 13 above the heat dissipation plate 15 and places the battery pack 14 in the opening of the frame 13, at this time, the user places the rest of the heat dissipation plates 15 and the pressing plates 16 above the battery pack 14 in sequence, then places the sealing plate 12 above the housing 11 and inserts the connecting block 121 in alignment with the gap between the two clamping blocks 182, the clamping blocks 182 move to two sides under the extrusion of the connecting block 121, the springs 183 are compressed, when the clamping blocks 182 move to the clamping grooves 1211, the clamping blocks 182 are clamped into the clamping grooves 1211, the sealing plate 12 is limited at the top end of the housing 11, and the sealing plate 12 and the housing 11 are assembled.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Lithium cell electricity core structure convenient to equipment, including equipment portion (1), its characterized in that:

the assembly part (1) comprises a shell (11), a cavity (111) is formed in the center of the top surface of the shell (11), grooves (112) are formed in two sides of the cavity (111), and two vertical plates (113) are arranged in the grooves (112); a sealing plate (12) is arranged above the shell (11), connecting blocks (121) are arranged at two sides of the bottom surface of the sealing plate (12), and clamping grooves (1211) are formed at two side walls of the connecting blocks (121); the vertical plates (113) are provided with limiting parts (18) for fixing the sealing plates (12) on the top surface of the shell (11);

the limiting part (18) is used for assembling the sealing plate (12) and the shell (11) and comprises a connecting rod (181) which is slidably arranged at the vertical plate (113), a clamping block (182) is arranged at one end of the connecting rod (181) close to the connecting block (121), and the clamping block (182) is clamped with the clamping groove (1211) and limits the connecting block (121) in the cavity (111); springs (183) used for propping against the clamping blocks (182) to enable the clamping blocks (182) to be clamped into the clamping grooves (1211) are sleeved on the connecting rods (181).

2. The lithium battery cell structure of claim 1, wherein the lithium battery cell structure is assembled in a manner that: the battery pack cooling device is characterized in that a frame (13) is arranged at the center of the cavity (111), a battery pack (14) is arranged in the frame (13), radiating plates (15) used for radiating are arranged at the upper side and the lower side of the frame (13), a plurality of radiating grooves (151) are formed in two opposite side walls of the two radiating plates (15), and a pressing plate (16) used for clamping the radiating plates (15) and the battery pack (14) in the frame (13) is arranged at one side of each radiating plate (15).

3. The lithium battery cell structure of claim 1, wherein the lithium battery cell structure is assembled in a manner that: a plurality of connecting grooves communicated with the radiating grooves (151) are formed in the partition plate between the cavity (111) and the groove (112), and strip-shaped grooves for radiating heat are formed in the front side wall and the rear side wall of the shell (11).

4. The lithium battery cell structure of claim 2, wherein the lithium battery cell structure is assembled in a manner that: the plurality of radiating grooves (151) are distributed in a linear equidistant manner.

5. The lithium battery cell structure of claim 1, wherein the lithium battery cell structure is assembled in a manner that: notch (1212) is arranged at two sides of the bottom surface of the connecting block (121), and the tail end of the clamping block (182) is inclined.

6. The lithium battery cell structure of claim 1, wherein the lithium battery cell structure is assembled in a manner that: one end of the connecting rod (181) far away from the clamping block (182) extends to the outside of the shell (11), and the tail end of the connecting rod (181) is provided with a shifting block (17).

7. The lithium battery cell structure of claim 1, wherein the lithium battery cell structure is assembled in a manner that: the whole shape of the connecting rod (181) is rectangular, and the connecting rod (181) is a finished product made of plastic materials.