CN213304301U

CN213304301U - Safety enhancement type single cell of lithium ion battery

Info

Publication number: CN213304301U
Application number: CN202021685179.6U
Authority: CN
Inventors: 杨高亚; 徐蒙
Original assignee: Dongguan Huanyuyuan Technology Co ltd
Current assignee: Dongguan Huanyuyuan Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-28
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a safety enhancement type lithium ion battery monomer electric core, which comprises a shell, the middle position inside the shell is provided with an electric core matched with the shell, the outside of the shell is provided with a protective layer, the outside of the protective layer is provided with four groups of semi-arc rubber balls, four corners of one side of the shell are provided with lugs, one side of the lug is provided with a rubber pad, the outside of one side of the shell, which is close to the concave layer, is provided with a concave layer matched with the lug, one side inside the shell is provided with a buffer pad, one side of the electric core is provided with a plastic support, and the inner side of the plastic support is provided with a sealing ring matched with the; the utility model discloses the device utilizes the plastic support laminating and the negative pole of electric core, and PVC insulation sticker makes the holistic protectiveness of electric core obtain the increase with the positive pole of electric core to prevent appearing the pressurized deformation or short circuit at the during operation, increase the protectiveness of electric core.

Description

Safety enhancement type single cell of lithium ion battery

Technical Field

The utility model relates to a lithium cell technical field specifically is safety enhancement mode lithium ion battery monomer electricity core.

Background

Since the advent of lithium ion batteries, lithium ion batteries have the advantages of high operating voltage, large specific energy, small self-discharge, no memory effect, long life, and low environmental pollution, and have become the most promising and competitive secondary batteries at present, and have been exposed in the fields of electric vehicles and energy storage. Meanwhile, the safety problem of the lithium ion battery is more and more emphasized by people, and becomes a main factor for restricting the large-scale commercial popularization of the high-capacity and power lithium ion battery;

when the cell of the lithium battery works, the following problems are often encountered, such as:

1. during the use period of the lithium ion battery, the lithium ion battery is easy to be collided and stamped, so that the battery cell is stressed, and the risk of deformation or short circuit occurs, thereby influencing the subsequent normal work and reducing the protection of the battery cell;

2. when the battery cells are required to be installed in the lithium battery pack, each battery cell is required to be plugged into the battery pack body, and the battery cells are not only easy to topple and collide due to shaking but also can directly contact with the positive and negative electrodes of the battery cells with external objects if being vertically placed in the period, so that the service life of the battery cells is influenced;

3. when electric core installation, because electric core is oval column structure, appear sliding easily and drop, be unfavorable for putting the desktop, increase operating personnel's installation inconvenience, when subsequent group parcel contact with lithium cell simultaneously, probably extrude the distortion to electric core, make the installation condition of electric core not enough to some extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety enhancement mode lithium ion battery monomer electricity core to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: safety enhancement mode lithium ion battery monomer electricity core, which comprises an outer shell, the inside intermediate position department of shell is equipped with rather than the electric core of mutually supporting, the outside of shell is equipped with the protective layer, the outside of protective layer is equipped with four groups half arc rubber balls, the four corners department of shell one side is equipped with the lug, one side of lug is equipped with the rubber pad, the outside that shell one side is close to sunken layer is equipped with the sunken layer with the mutual adaptation of lug, the inside one side of shell is equipped with the blotter, one side of electric core is equipped with the plastic support, the inboard of plastic support is equipped with the sealing washer of mutually supporting with electric core.

Preferably, the semi-arc rubber balls are arranged at the outer sides of the protective layers in three groups.

Preferably, the plastic support and the battery cell are matched and fixed with each other in a clamping and wrapping structure.

Preferably, the inner side of the shell is provided with a reinforcing layer, and the reinforcing layer is mutually attached to the battery core.

Preferably, the vertical lines of the rubber pad and the bump are higher than the vertical line of the battery cell.

Preferably, the positive electrode of the battery core is pasted with a PVC insulating paster.

Compared with the prior art, the beneficial effects of the utility model are that: the safety enhancement type single lithium ion battery cell protects the positive and negative electrodes of the cell through the installation and matching of the PVC insulating sticker and the plastic support, and the installation and matching of the rubber pad and the lug and the installation and matching of the semi-arc rubber ball and the protective layer are utilized, so that the battery is convenient to place when being installed, an operator is convenient to take, the subsequent working efficiency is increased, the structural design is simple and reasonable, and the practicability of the device is enhanced;

1. the plastic support is attached to the negative electrode of the battery cell, and the PVC insulating sticker is attached to the positive electrode of the battery cell, so that the overall protection performance of the battery cell is improved, deformation or short circuit caused by pressure during working is prevented, and the protection performance of the battery cell is improved;

2. the rubber pad and the convex block are higher than the anode of the battery cell and are matched with the plastic support in an installation manner, so that the shell and the battery cell cannot be directly contacted with external objects when vertically placed, and the service life of the battery is prolonged;

3. utilize the even arrangement of half arc rubber ball and the installation protection of protective layer, make the shell utilize blockking of half arc rubber ball to carry on spacingly when keeping flat, prevent that the sliding everywhere leads to dropping the damage to under the even arrangement of half arc rubber ball, install the back with the group battery, the inner wall of accessible half arc rubber ball and group battery is contacted the buffering each other, alleviate the pressure that receives whole shell and electric core in order to reach, increase the functionality of device.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a first side view of the present invention;

fig. 4 is a second side view of the present invention.

In the figure: 1. a housing; 2. an electric core; 3. a semi-arc shaped rubber ball; 4. a protective layer; 5. a cushion pad; 6. a plastic bracket; 7. a rubber pad; 8. a bump; 9. a recessed layer; 10. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: safety enhancement mode lithium ion battery monomer electricity core, including

shell

1, 1 inside intermediate position department of shell is equipped with rather than electric core 2 of mutually supporting, the outside of shell 1 is equipped with protective layer 4, the outside of protective layer 4 is equipped with four groups half arc rubber ball 3, the four corners department of 1 one side of shell is equipped with lug 8, can be higher than the laminating position of part, one side of lug 8 is equipped with rubber pad 7, the outside that 1 one side of shell is close to sunken layer 9 is equipped with the sunken layer 9 with the mutual adaptation of

lug

8, 1 inside one side of shell is equipped with blotter 5, increase the anti-seismic capacity of device, one side of electricity core 2 is equipped with plastic support 6, the inboard of plastic support 6 is equipped with the sealing washer 10 of mutually supporting with electricity core.

Further, half arc rubber ball 3 is the outside that every group is three to be set up and protective layer 4, has spacing and buffer function.

Further, plastic support 6 is that block parcel structure is mutually supported fixedly with electric core 2, and the part of being convenient for is installed fixedly each other.

Further, the inboard of shell 1 is equipped with the back up coat, and the back up coat laminates with electric core 2 each other, increases the holding capacity of device.

Further, the vertical line of the rubber pad 7 and the convex block 8 is higher than that of the battery cell 2, so that the components are prevented from contacting with external objects.

Furthermore, the positive pole of electric core 2 is pasted with the insulating sticker of PVC, increases the protectiveness of part.

The working principle is as follows: the device is when using, can utilize blotter 5 to protect electric core 2's negative pole, PVC insulation sticker is to electric core 2's positive pole protection, and utilize plastic support 6's protection and rubber pad 7 and lug 8 and sunken layer 9 to form the cooperation, be higher than electric core 2's positive pole, in order to reach and vertically place the device, do not hinder electric core 2's normal output, increase the functionality and the protectiveness of device, utilize half arc rubber ball 3 and protective layer 4's installation cooperation, utilize half arc rubber ball 3 to carry out spacing the blockking to the shell 1 of rolling state, make its position stop, and when follow-up installing in the group battery, utilize half arc rubber ball 3's preferential contact and the inner wall of electronic equipment group, alleviate the pressure that receives, strengthen device's practicality and life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. 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 or connected should be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. Safety enhancement mode lithium ion battery monomer electricity core, including shell (1), its characterized in that: the utility model discloses a plastic support, including shell (1), outside of shell (1) is equipped with protection layer (4), the outside of protection layer (4) is equipped with four groups semi-arc rubber ball (3), the four corners department of shell (1) one side is equipped with lug (8), one side of lug (8) is equipped with rubber pad (7), the outside that shell (1) one side is close to sunken layer (9) is equipped with sunken layer (9) with lug (8) mutual adaptation, the inside one side of shell (1) is equipped with blotter (5), one side of electric core (2) is equipped with plastic support (6), the inboard of plastic support (6) is equipped with and mutually supports sealing washer (10) with electric core (2).

2. The safety-enhanced lithium ion battery cell of claim 1, wherein: the semi-arc-shaped rubber balls (3) are arranged outside the protective layer (4) in three groups.

3. The safety-enhanced lithium ion battery cell of claim 1, wherein: the plastic support (6) and the battery cell (2) are matched and fixed with each other in a clamping and wrapping structure.

4. The safety-enhanced lithium ion battery cell of claim 1, wherein: the inner side of the shell (1) is provided with a reinforcing layer, and the reinforcing layer is mutually attached to the battery core (2).

5. The safety-enhanced lithium ion battery cell of claim 1, wherein: the vertical line of the rubber pad (7) and the convex block (8) is higher than that of the battery cell (2).

6. The safety-enhanced lithium ion battery cell of claim 1, wherein: and a PVC insulating sticker is pasted on the positive electrode of the battery cell (2).