CN215816138U

CN215816138U - Laminated polymer lithium battery

Info

Publication number: CN215816138U
Application number: CN202121200865.4U
Authority: CN
Inventors: 肖礼钦
Original assignee: Shenzhen Lianpaiyuan Technology Co ltd
Current assignee: Shenzhen Lianpaiyuan Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-02-11
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a laminated polymer lithium battery which comprises a battery, wherein protection assemblies are arranged at the left end and the right end of the battery, two groups of shielding assemblies are symmetrically arranged at the front end of the protection assembly positioned at the left end of the battery, a positive electrode and a negative electrode are symmetrically arranged at the left end of the battery and positioned in the shielding assemblies, aluminum foil layers are symmetrically arranged on two sides of the inner wall of the battery, insulating diaphragms are arranged on the inner sides of the aluminum foil layers on the two sides, and electrolyte is arranged in the middle position in the battery. The protection assembly can protect four corners of the battery, the battery cannot be damaged by collision when the battery falls and collides, and the battery can be well protected.

Description

Laminated polymer lithium battery

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a laminated polymer lithium battery.

Background

"lithium batteries" are a type of batteries using a nonaqueous electrolytic solution with a lithium metal or a lithium alloy as a positive/negative electrode material, and can be roughly classified into two types: lithium metal batteries and lithium ion batteries. The lithium ion battery does not contain lithium in a metal state, can be charged, and has very high requirements on the environment due to the active chemical characteristics of the lithium metal, so that the lithium metal can be processed, stored and used.

Present polymer lithium cell itself does not have protective structure, and the appearance can produce the deformation after receiving external force to collide with, and can cause the damage to the battery, and this lithium cell is when depositing, and positive negative pole connector also does not possess protective structure, leads to the fact the damage to the positive negative pole connector easily.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a laminated polymer lithium battery that solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: laminated polymer lithium cell, including the battery, both ends end is provided with the protection subassembly about the battery, and the front end symmetry that is located the protection subassembly of battery left end is provided with two sets of subassemblies that shelter from, the left end of battery and the inside symmetry that is located the subassembly that shelters from are provided with anodal and negative pole, the inner wall bilateral symmetry of battery is provided with the aluminium foil layer, the inboard on both sides aluminium foil layer is provided with insulating diaphragm, the inside intermediate position department of battery is provided with electrolyte.

Preferably, the protection component comprises a connecting frame, the upper end and the lower end of the left side and the lower side of the battery are provided with the connecting frame, the bottom of the connecting frame is provided with a baffle, two groups of first springs are symmetrically arranged in interlayers at the upper end and the lower end of the connecting frame, the ends of the first springs are provided with clamping blocks, second springs are arranged in interlayers of the connecting frame, and the ends of the second springs are provided with abutting blocks.

Preferably, the shielding assembly comprises a thread block, four groups of thread blocks are symmetrically arranged at the front end and the rear end of the protection assembly at the left end of the battery, a rotating block is connected to the outer side of each thread block in a threaded manner, connecting pieces are symmetrically arranged on the inner sides of the rotating blocks, and the top end of each connecting piece is provided with the protection frame.

Preferably, two groups of through holes matched with the anode and the cathode are symmetrically formed in the surface of the baffle at the left end of the battery.

Preferably, both ends are provided with the mounting groove with first spring looks adaptation about the inner wall of linking frame, and first spring sets up the inner wall at the linking frame through this mounting groove.

Preferably, the connecting piece is internally provided with a through hole matched with the thread block.

Preferably, the inside of the rotating block is provided with a threaded hole matched with the threaded block, and the rotating block is in threaded connection with the outer side of the threaded block through the threaded hole.

Compared with the prior art, the utility model provides a laminated polymer lithium battery, which has the following beneficial effects:

1. according to the battery protection structure, the four corners of the battery can be protected through the protection assemblies, the battery cannot be collided and damaged when the battery falls and collides, the battery can be well protected, and the structure is convenient to mount and dismount.

2. According to the utility model, the rotary block can be rotated through the arranged shielding assembly, so that the rotary block is not attached to the outer side of the connecting sheet, the protective frame is rotated, the protective frame can be shielded on the outer sides of the positive electrode and the negative electrode, the positive electrode and the negative electrode can be protected when the battery is stored, the positive electrode and the negative electrode are prevented from being scratched, and the operation is simple.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the protective assembly of the present invention;

FIG. 3 is a schematic view of a shielding assembly according to the present invention;

fig. 4 is a schematic view of the internal structure of the battery of the present invention.

In the figure: 1. a battery; 2. a guard assembly; 201. a connecting frame; 202. a baffle plate; 203. a first spring; 204. a clamping block; 205. a second spring; 206. a resisting block; 3. a shielding component; 301. a thread block; 302. rotating the block; 303. connecting sheets; 304. a protective frame; 4. a positive electrode; 5. a negative electrode; 6. an aluminum foil layer; 7. an insulating diaphragm; 8. and (3) an electrolyte.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: laminated polymer lithium cell, including battery 1, both ends end is provided with protection component 2 about battery 1, and the front end symmetry that is located protection component 2 of battery 1 left end is provided with two sets of subassemblies 3 that shelter from, and the left end of battery 1 and the inside symmetry that is located the subassembly 3 that shelters from are provided with anodal 4 and negative pole 5, and the inner wall bilateral symmetry of battery 1 is provided with aluminium foil layer 6, and the inboard of both sides aluminium foil layer 6 is provided with insulating diaphragm 7, and the inside intermediate position department of battery 1 is provided with electrolyte 8.

In this implementation, the protection component 2 includes the connection frame 201, and the upper and lower end of the left and right sides of battery 1 is provided with connection frame 201, and the bottom of connection frame 201 is provided with baffle 202, and the upper and lower both ends intermediate layer internal symmetry of connection frame 201 is provided with two sets of first springs 203, and the end of first spring 203 is provided with clamp splice 204, is provided with the second spring 205 in the intermediate layer of connection frame 201, and the end of second spring 205 is provided with and supports piece 206, can protect four angles of battery 1.

In this implementation, shelter from subassembly 3 including screw block 301, both ends symmetry is provided with four sets of screw blocks 301 around the protection subassembly 2 of battery 1 left end, and the outside threaded connection of screw block 301 has the commentaries on classics piece 302, and the inboard symmetry of commentaries on classics piece 302 is provided with connection piece 303, and protection frame 304 is installed on the top of connection piece 303, can shelter from the protection with anodal 4 and negative pole 5.

In this implementation, the surface symmetry of the baffle 202 of battery 1 left end is provided with two sets of openings with

anodal

4 and 5 looks adaptations of negative pole, conveniently installs protection component 2 in the left end of battery 1.

In this embodiment, the upper and lower ends of the inner wall of the connection frame 201 are provided with mounting grooves adapted to the first spring 203, and the first spring 203 is disposed on the inner wall of the connection frame 201 through the mounting grooves, so as to limit the first spring 203 inside the connection frame 201.

In this embodiment, a through hole matched with the thread block 301 is formed in the connecting piece 303, so that the connecting piece 303 can rotate on the outer side of the thread block 301 conveniently.

In this embodiment, a threaded hole adapted to the threaded block 301 is formed in the rotating block 302, and the rotating block 302 is screwed on the outer side of the threaded block 301 through the threaded hole, so that the rotating block 302 can rotate on the outer side of the threaded block 301 conveniently.

The working principle is as follows: the end of the battery 1 is inserted into the connecting frame 201, the clamping block 204 is pressed by the pressing force to press the first spring 203, the upper end and the lower end of the battery 1 press the abutting block 206 while pressing the first spring 203, the abutting block 206 presses the second spring 205, the connection frame 201 is clamped to the ends of the battery 1 by the tension of the first and

second springs

203 and 205, can protect battery 1, rotate and change piece 302, it unscrews in the outside of screw thread piece 301 to change piece 302, change piece 302 not hug closely with connection piece 303, connection piece 303 can rotate in the outside of screw thread piece 301, drive protective frame 304 and rotate when rotating, rotate protective frame 304 to the outside of anodal 4 and negative pole 5, it screws up to rotate piece 302 opposite direction, make and change piece 302 hug closely in the outside of connection piece 303, fasten protective component 2's the outside at connection piece 303 and protective frame 304 fixes in the outside of anodal 4 and negative pole 5 simultaneously and protect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. Laminated polymer lithium battery, comprising a battery (1), characterized in that: the battery is characterized in that protection components (2) are arranged at the left end and the right end of the battery (1), two sets of shielding components (3) are symmetrically arranged at the front ends of the protection components (2) located at the left end of the battery (1), an anode (4) and a cathode (5) are symmetrically arranged at the left end of the battery (1) and at the inner part of the shielding components (3), aluminum foil layers (6) are symmetrically arranged on the inner wall of the battery (1), insulating diaphragms (7) are arranged on the inner sides of the aluminum foil layers (6) on the two sides, and electrolyte (8) is arranged at the middle position of the inner part of the battery (1).

2. The laminated polymer lithium battery of claim 1, wherein: protection component (2) are including connection frame (201), the end is provided with connection frame (201) about the left and right sides of battery (1), the bottom of connection frame (201) is provided with baffle (202), the upper and lower both ends interlayer symmetry of connection frame (201) is provided with two sets of first spring (203), the end of first spring (203) is provided with clamp splice (204), be provided with second spring (205) in the intermediate layer of connection frame (201), the end of second spring (205) is provided with and supports piece (206).

3. The laminated polymer lithium battery of claim 1, wherein: the shielding assembly (3) comprises a thread block (301), four groups of thread blocks (301) are symmetrically arranged at the front end and the rear end of the protection assembly (2) at the left end of the battery (1), the outer side of each thread block (301) is connected with a rotating block (302) in a threaded mode, connecting pieces (303) are symmetrically arranged on the inner sides of the rotating blocks (302), and a protection frame (304) is installed at the top end of each connecting piece (303).

4. The laminated polymer lithium battery of claim 1, wherein: the surface of the baffle (202) at the left end of the battery (1) is symmetrically provided with two groups of through holes matched with the anode (4) and the cathode (5).

5. The laminated polymer lithium battery of claim 2, wherein: the upper end and the lower end of the inner wall of the connecting frame (201) are provided with mounting grooves matched with the first springs (203), and the first springs (203) are arranged on the inner wall of the connecting frame (201) through the mounting grooves.

6. The laminated polymer lithium battery of claim 3, wherein: the connecting piece (303) is internally provided with a through hole matched with the thread block (301).

7. The laminated polymer lithium battery of claim 3, wherein: the interior of the rotating block (302) is provided with a threaded hole matched with the threaded block (301), and the rotating block (302) is in threaded connection with the outer side of the threaded block (301) through the threaded hole.