CN211578815U

CN211578815U - Lithium battery protection mechanism

Info

Publication number: CN211578815U
Application number: CN201922393693.6U
Authority: CN
Inventors: 席晓飞; 曾庆传; 冯勇; 孟文愿
Original assignee: Huainan Youke New Energy Co ltd
Current assignee: Huainan Youke New Energy Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-25
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a lithium battery protection mechanism, which comprises a lower end protection base and an upper end cover, wherein the lower end protection base comprises a side end protection plate, a bottom support rod, a guide post, a baffle plate and an elastic buffer part; the upper end cover comprises a cover plate, a first through hole and a second through hole. The utility model is provided with the elastic buffer part and the baffle plate, can tightly fix the lithium battery and simultaneously play a role of buffering when being impacted by external force, thereby achieving the purpose of protecting the lithium battery; the lithium battery can be protected, and heat dissipation can be performed on the lithium battery in the charging and discharging processes of the lithium battery; low cost, simple structure, convenient production and wide application in the protection of various batteries. The problem of among the prior art large-and-medium-sized lithium cell expose for a long time outside environment easily by dust and other impurity corrodes in the air to and do not add safeguard measure and often can make the lithium cell receive external force impact and cause the damage is solved.

Description

Lithium battery protection mechanism

Technical Field

The utility model belongs to the lithium cell field, concretely relates to lithium cell protection machanism.

Background

Lithium batteries are batteries using a nonaqueous electrolyte solution and lithium metal or a lithium alloy as an anode material. Because the lithium battery has the advantages of high energy density, high power density, more recycling times, long storage time and the like, the lithium battery is widely used in mobile phones, portable electronic equipment and the current electric vehicles, and particularly has wide application prospects in large and medium-sized electric equipment such as electric transportation and energy storage facilities.

The general large and medium-sized lithium battery is directly exposed in the external environment in the use process, the positive electrode and the negative electrode of the lithium battery are directly connected by the conducting wire, the external environment is exposed for a long time and is easily corroded by dust and other impurities in the air, and the lithium battery is often damaged by external force impact without protection measures, so that the charging and discharging quality is influenced. Therefore, it is desirable to design a lithium battery protection mechanism.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a lithium cell protection machanism has solved among the prior art large-and-medium-sized lithium cell and has exposed dust and other impurity corrodes in the external environment is easily by the air for a long time to and do not add safeguard procedures and often can make the lithium cell receive external force to strike the problem that causes the damage.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a lithium battery protection mechanism, includes lower extreme protection base and upper end cover, lower extreme protection base includes the side guard plate, be equipped with the bottom sprag pole between the side guard plate, be equipped with the guide post of laminating with it in the side guard plate, be equipped with elastic buffer spare on the side guard plate, be equipped with the baffle with the side guard plate laminating on the bottom sprag pole, guide post and side guard plate are all arranged in on the bottom plate.

The lithium battery is arranged on the bottom supporting rod, the side end of the lithium battery is attached to the baffle and the side end protection plate, and the lithium battery is provided with a positive electrode and a negative electrode.

The upper end cover comprises a cover plate, and a first through hole matched with the positive electrode and a second through hole matched with the guide post are formed in the cover plate.

The side protection plate is provided with a first heat dissipation hole for heat dissipation, and the cover plate is provided with a second heat dissipation hole for heat dissipation.

And the guide post is provided with a screw hole.

When the lower end protection base is matched with the upper end cover, the guide post penetrates through the second through hole and the screw hole and is arranged above the upper end cover.

The utility model has the advantages that:

1. the utility model is provided with the elastic buffer part and the baffle plate, can tightly fix the lithium battery and simultaneously play a role of buffering when being impacted by external force, thereby achieving the purpose of protecting the lithium battery;

2. the utility model not only can protect the lithium battery, but also can dissipate heat in the charging and discharging process of the lithium battery;

3. the utility model discloses with low costs, simple structure, the production of being convenient for, can wide application in the protection of multiple battery.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a lower end protection base according to an embodiment of the present invention;

FIG. 3 is a top view of the lower end protection base of the embodiment of the present invention;

fig. 4 is a schematic view of an upper end cap according to an embodiment of the present invention.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the lithium battery protection mechanism comprises a lower end protection base 1 and an upper end cover 2, wherein the lower end protection base 1 comprises a side end protection plate 11, a bottom support rod 12 is arranged between the side end protection plates 11, and a first heat dissipation hole 13 for dissipating heat is arranged on the side end protection plate 11. The side protection plate 11 is internally provided with a guide post 14 attached with the side protection plate, and the guide post 14 is provided with a screw hole 15. An elastic buffer piece 16 is arranged on the side end protection plate 11, and a baffle plate 17 attached to the side end protection plate 11 is arranged on the bottom support rod 12. The lithium battery 3 is arranged on the bottom support rod 12, the side end of the lithium battery 3 is attached to the baffle 17 and the side end protection plate 11, and the lithium battery 3 is provided with a positive electrode and a negative electrode 4.

As shown in fig. 3, the guide posts 14 and the side end protection plate 11 are disposed on the bottom plate 18, and when the lithium battery 3 is disposed on the bottom support rod 12 and the side end is attached to the baffle 17 and the side end protection plate 11, the elastic buffer 16 is in a compressed state and is fixed to the lithium battery 3 by the baffle 17.

As shown in fig. 4, the upper end cap 2 includes a cover plate 21, a second heat dissipation hole 22 for dissipating heat is disposed on the cover plate 21, and a first through hole 23 matched with the positive and negative electrodes 4 and a second through hole 24 matched with the guide post 14 are disposed on the cover plate 21. It should be noted that, when the lower end protection base 1 and the upper end cap 2 are mated, the guide posts 14 pass through the second through holes 24 and the screw holes 15 are placed above the upper end cap 2.

It is to be noted that the elastic buffer 16, the baffle 17 and the first through hole 23 can be provided in plurality.

During the use, firstly manually press the elastic buffer member 16 to compress, then place the lithium battery 3 on the bottom support rod 12 and make the side end closely fit and fix with the baffle 17 and the side end guard plate 11, then loosen the elastic buffer member 16. Then, the upper end cover 2 is matched with the lower end protection base 1, at the moment, the positive electrode 4 and the negative electrode 4 penetrate through the first through hole 23, the guide column 14 penetrates through the second through hole 24, and finally, the guide column and the screw hole 15 are matched and fixed through screws.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A lithium battery protection mechanism comprises a lower end protection base (1) and an upper end cover (2), and is characterized in that the lower end protection base (1) comprises side end protection plates (11), a bottom support rod (12) is arranged between the side end protection plates (11), a guide column (14) attached to the side end protection plate is arranged in the side end protection plate (11), an elastic buffer part (16) is arranged on the side end protection plate (11), a baffle plate (17) attached to the side end protection plate (11) is arranged on the bottom support rod (12), and the guide column (14) and the side end protection plate (11) are both arranged on a bottom plate (18);

the bottom support rod (12) is provided with a lithium battery (3), the side end of the lithium battery (3) is attached to the baffle plate (17) and the side end protection plate (11), and the lithium battery (3) is provided with a positive electrode and a negative electrode (4);

the upper end cover (2) comprises a cover plate (21), and a first through hole (23) matched with the positive electrode and the negative electrode (4) and a second through hole (24) matched with the guide post (14) are formed in the cover plate (21).

2. The lithium battery protection mechanism as claimed in claim 1, wherein the side protection plate (11) is provided with a first heat dissipation hole (13) for dissipating heat, and the cover plate (21) is provided with a second heat dissipation hole (22) for dissipating heat.

3. The lithium battery protection mechanism as claimed in claim 1, wherein the guiding post (14) is provided with a screw hole (15).

4. A lithium battery protection mechanism according to claim 3, characterized in that when the lower protection base (1) and the upper end cap (2) are mated, the guiding post (14) penetrates through the second through hole (24) and the screw hole (15) is placed above the upper end cap (2).