CN212182436U - Anti-falling ternary lithium ion battery - Google Patents

Abstract

The utility model relates to an anti-falling ternary lithium ion battery, which comprises a battery main body and a shell, wherein the shell coats the battery main body, the shell comprises a cover plate, a bottom plate and a side plate, the cover plate and the bottom plate are respectively and fixedly connected with the top and the bottom of the battery main body, and the side plate is clamped between the cover plate and the bottom plate; the side plates are four, the four side plates are sequentially connected and enclosed to form a four-side closed shell, the adjacent two side plates are connected in an elastic mode, and the side plates can slide relative to the bottom plate. When one of them curb plate of this embodiment received the impact, adjacent curb plate with it elastic connection can provide certain degree cushion power for it to alleviate the impact that the battery main part received, thereby promoted the security performance of battery in transportation or use.

Description

Anti-falling ternary lithium ion battery

Technical Field

The utility model relates to a lithium ion battery technical field especially relates to an prevent falling ternary lithium ion battery.

Background

Compared with the traditional lead storage battery, the ternary polymer lithium battery has the advantages of higher energy density, longer service life, higher rated voltage, lower self-discharge rate, lighter weight, energy conservation, environmental protection and the like. However, in the existing ternary lithium batteries, the structure of the ternary lithium battery adopts a mode that a shell directly wraps a battery core, the shell is not processed, the strength of the ternary lithium battery is mostly determined by the material of the shell, however, in the process of taking or transporting the battery, the falling of the battery can be caused by some emergency situations, the main body of the battery bears larger impact force when falling, and the shell cannot play a good buffering role on the battery due to poor stability of the lithium battery, so that the falling battery is extremely easy to damage, the cost is wasted, and the potential safety hazard is increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a solve above-mentioned technical problem, provide an anti ternary lithium ion battery that falls.

The purpose of the utility model is realized through the following technical scheme:

an anti-falling ternary lithium ion battery comprises a battery main body and a shell, wherein the shell coats the battery main body and comprises a cover plate, a bottom plate and side plates, the cover plate and the bottom plate are fixedly connected with the top and the bottom of the battery main body respectively, and the side plates are clamped between the cover plate and the bottom plate; the side plates are four, the four side plates are sequentially connected and enclosed to form a four-side closed shell, the adjacent two side plates are connected in an elastic mode, and the side plates can slide relative to the bottom plate.

Furthermore, the side plate is an L-shaped plate, the two ends of the L-shaped plate are respectively provided with a first end part and a second end part, the first end part is provided with a connecting groove, and the second end part is inserted into the connecting groove of the adjacent L-shaped plate.

Furthermore, the second end of "L" template is fixed and is equipped with the elastic component, the elastic component card is located in the spread groove of adjacent "L" template.

Further, the elastic member is a metal spring or elastic rubber.

Furthermore, a buffer layer is arranged on one side, opposite to the battery main body, of the first end part of the L-shaped plate.

Furthermore, the bottom plate is provided with a limiting groove, the limiting groove is an annular limiting groove, and the side plate is inserted in the limiting groove.

Further, the curb plate is equipped with the louvre, the louvre is the circular through-hole or the rectangular shape through-hole that a plurality of intervals set up.

Further, the cover plate and the bottom plate are fixedly connected with the battery main body in a bonding mode, or fixedly connected with the battery main body in a screw fixing mode.

The utility model discloses compare in prior art's beneficial effect and be:

the utility model discloses a ternary lithium ion battery is equipped with apron and bottom plate respectively in battery subject's top and bottom, be equipped with in battery subject's side and be used for preventing falling and the curb plate that shocks resistance, the curb plate is equipped with four, the curb plate can slide for the bottom plate, connection between two adjacent blocks of curb plates is elastic connection, therefore, when one of them curb plate receives the impact, elastic connection's adjacent curb plate can provide the cushion effect of certain degree for it with it, in order to alleviate the impact that battery subject received, the security performance of battery in transportation or use has been promoted.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of a lithium ion battery according to an embodiment of the present invention.

Fig. 2 is a sectional view taken along a-a in fig. 1.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a top view of the bottom plate in the embodiment of the present invention.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to specific embodiments and drawings.

Referring to fig. 1-4, a preferred embodiment of the present invention is as follows.

An anti-falling ternary lithium ion battery comprises a battery main body 1 and a shell 2, wherein the shell 2 coats the battery main body 1, the shell 2 comprises a cover plate 21, a bottom plate 23 and a side plate 22, the cover plate 21 and the bottom plate 23 are fixedly connected with the top and the bottom of the battery main body 1 respectively, and the side plate 22 is clamped between the cover plate 21 and the bottom plate 23; the side plates 22 are four, the four side plates 22 are sequentially connected and enclosed to form a four-side closed shell, the connection between two adjacent side plates 22 is elastic connection, and the side plates 22 can slide relative to the bottom plate 23. The ternary lithium ion battery of this embodiment, top and bottom at battery subject 1 are equipped with apron 21 and bottom plate 23 respectively, side at battery subject 1 is equipped with the curb plate 22 that is used for preventing falling and shocks resistance, curb plate 22 has four, curb plate 22 can slide for bottom plate 23, the connection between two piece adjacent curb plates 22 is elastic connection, therefore, when one of them curb plate 22 receives the impact, adjacent curb plate 22 with it elastic connection can provide certain degree of cushion effect for it, in order to alleviate the impact that battery subject 1 received, the security performance of battery in transportation or use has been promoted. The side plate 22 of the present embodiment does not directly contact the battery main body 1, and can improve the heat dissipation function of the battery to some extent.

In this embodiment, the side plate 22 is an "L" shaped plate, two ends of the "L" shaped plate are respectively provided with a first end 221 and a second end 222, the first end 221 is provided with a connecting groove 3, and the second end 222 is inserted into the connecting groove 3 of the adjacent "L" shaped plate. Four blocks of curb plates 22 adopt end to end's mode to enclose and close into a four sides confined casing, and is concrete, and wherein the second tip 222 of a curb plate 22 is inserted and is established on the spread groove 3 of adjacent curb plate 22 first tip 221, and the benefit of this kind of mode lies in, under the prerequisite of having guaranteed the connection stability between four blocks of curb plates 22, has made things convenient for subsequent dismantlement to maintain for dismantlement and installation between the curb plate 22 are easier.

In this embodiment, the second end 222 of the "L" shaped board is fixedly provided with an elastic member 4, and the elastic member 4 is clamped in the connecting groove 3 of the adjacent "L" shaped board. The second end 222 of the "L" shaped plate has a certain range of moving distance in the connecting groove 3 of the adjacent "L" shaped plate, and the elastic member 4 is provided in the space of the moving distance, so that the moving distance is a buffering distance, thereby enabling the side plate 22 to have a buffering function. The elastic member 4 may be a metal spring or an elastic rubber, and in the present embodiment, a metal spring is preferred.

In the present embodiment, the first end 221 of the "L" shaped plate is provided with a buffer layer 5 on the side opposite to the battery body 1. Since the battery body 1 is not in direct contact with the side plate 22, only when the side plate 22 is impacted, the battery body 1 will be in contact with the side plate 22, and the first end 221 is the first end of the battery body 1 that is in contact with the side plate 22, a buffer layer 5 is additionally arranged on the first end 221 to further protect the battery body 1 from being damaged.

In this embodiment, the bottom plate 23 is provided with a limiting groove 231, the limiting groove 231 is an annular limiting groove 231, and the side plate 22 is inserted into the limiting groove 231. Specifically, the annular limiting groove 231 is a square limiting groove 231, the four side plates 22 are respectively inserted into the four right-angle edges of the square limiting groove 231, and the limiting groove 231 mainly acts to limit the transverse moving range of the side plates 22, so that the side plates 22 are further prevented from shifting. It should be noted that the connection between the side plate 22 and the bottom plate 23 and the cover plate 21 are both contact connection, and the bottom plate 23 and the cover plate 21 are used for limiting the vertical movement of the side plate 22 at the same time, so as to prevent the side plate 22 from being separated from the battery main body 1.

In the present embodiment, the side plate 22 is provided with heat dissipation holes, which are a plurality of circular through holes or elongated through holes (not shown) arranged at intervals. When the battery is in use or stored and transported, heat can be dissipated from the heat dissipation holes due to the rise of internal temperature or the rise of external temperature, and the space inside the side plate 22 can be quickly dissipated by convection, so that the heat dissipation performance of the battery is guaranteed.

In the present embodiment, the lid plate 21 and the bottom plate 23 are fixedly attached to the battery main body 1 by means of bonding, or fixedly attached to the battery main body 1 by means of screw fixation.

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims (8)

1. The anti-falling ternary lithium ion battery comprises a battery main body and a shell, wherein the shell coats the battery main body, and is characterized in that the shell comprises a cover plate, a bottom plate and side plates, the cover plate and the bottom plate are respectively and fixedly connected with the top and the bottom of the battery main body, and the side plates are clamped between the cover plate and the bottom plate; the side plates are four, the four side plates are sequentially connected and enclosed to form a four-side closed shell, the adjacent two side plates are connected in an elastic mode, and the side plates can slide relative to the bottom plate.

2. The anti-falling ternary lithium ion battery of claim 1, wherein the side plate is an "L" shaped plate, two ends of the "L" shaped plate are respectively provided with a first end portion and a second end portion, the first end portion is provided with a connecting groove, and the second end portion is inserted into the connecting groove of the adjacent "L" shaped plate.

3. The anti-drop ternary lithium ion battery of claim 2, wherein the second end of the "L" shaped plate is fixedly provided with an elastic member, and the elastic member is clamped in the connecting groove of the adjacent "L" shaped plate.

4. The anti-falling ternary lithium ion battery according to claim 3, wherein the elastic member is a metal spring or an elastic rubber.

5. The anti-falling ternary lithium ion battery according to claim 2, wherein a buffer layer is arranged on the side of the first end part of the L-shaped plate opposite to the battery main body.

6. The anti-drop ternary lithium ion battery according to claim 1, wherein the bottom plate is provided with a limiting groove, the limiting groove is an annular limiting groove, and the side plate is inserted into the limiting groove.

7. The anti-drop ternary lithium ion battery according to claim 1, wherein the side plate is provided with heat dissipation holes, and the heat dissipation holes are a plurality of circular through holes or elongated through holes arranged at intervals.

8. The anti-drop ternary lithium ion battery according to claim 1, wherein the cover plate and the bottom plate are fixedly connected with the battery main body by means of bonding or are fixedly connected with the battery main body by means of screw fixation.

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