CN214411419U

CN214411419U - Modularized plastic box body for lithium battery

Info

Publication number: CN214411419U
Application number: CN202120714790.5U
Authority: CN
Inventors: 赵国斌
Original assignee: Huanghua Juheng Technology Co ltd
Current assignee: Huanghua Juheng Technology Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-10-15
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a modularization plastic box for lithium cell, including base and top cap, be provided with a plurality of box modules that can dismantle in proper order and link together between base and the top cap. The utility model discloses can increase or reduce the box module according to the capacity of difference, place a electricity core package in every module, the box modularization is used more in a flexible way, can use different capacity and project demand.

Description

Modularized plastic box body for lithium battery

Technical Field

The utility model relates to a power battery technical field especially relates to a modularization plastic box for lithium cell.

Background

The conventional plastic battery box body is fixed in size after being opened by a mold, and cannot be changed, so that the expandability of the battery is low, and if the capacity of the battery is required to be increased, the mold is opened again to manufacture the box body, so that the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modularization plastics box for lithium cell solves current battery box volume fixed, problem that can not extend.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a modularization plastic box for lithium cell, including base and top cap, be provided with a plurality of box modules that can dismantle in proper order and link together between base and the top cap.

Further, every the box module all includes two box curb plates, the transversal spill of personally submitting of box curb plate, two the concave surface looks mutual disposition of box curb plate, adjacent two of homonymy the box curb plate passes through bolt assembly and dismantles the connection.

Further, the box body side plate comprises a middle cross body, the two sides of the cross body are integrally formed into angle-shaped sides, the outer sides of the cross body and the angle-shaped side plates are integrally formed into convex edges, mounting holes are formed in the convex edges, and the two adjacent box body side plates are fixed together after penetrating through the mounting holes through bolt assemblies.

Furthermore, a plurality of battery packs are arranged between the two side plates of the box body.

Further, the battery package includes a plurality of battery pieces, every the battery piece all includes multisection battery monomer, the free tip of battery all assembles on battery support, four horns positions in the battery support outside all are provided with the landing leg, the landing leg supports on the inner wall of box curb plate.

Furthermore, two adjacent battery supports positioned on the same side are spliced together through a clamping structure.

Furthermore, the base is detachably connected with the box body side plate positioned at the lowest part through a bolt assembly; the top cover is detachably connected with the box body side plate positioned at the uppermost part through a bolt assembly.

Furthermore, a battery rack fixing plate, a handle and positive and negative terminals of a battery wiring are arranged on the base.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses can increase or reduce the box module according to the capacity of difference, place a electricity core package in every module, the box modularization is used more in a flexible way, can use different capacity and project demand.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

Fig. 1 is a schematic structural view of a modular plastic box for a lithium battery according to the present invention;

FIG. 2 is a schematic structural view of the box module of the present invention;

FIG. 3 is a structural diagram of the side plate of the box body according to the present invention;

FIG. 4 is a structural diagram of a second state of the side plate of the box body of the present invention;

fig. 5 is a schematic structural diagram of a battery block according to the present invention;

fig. 6 is a schematic structural view of the bottom of the base of the present invention.

Description of reference numerals: 1. a base; 2. a top cover; 3. a box body module; 301. a box body side plate; 301-1, a cross; 301-2, angular side plates; 301-3, ribs; 4. a battery pack; 401. a battery block; 401-1, a battery cell; 401-2, battery support; 401-3, supporting legs; 5. a battery holder fixing plate; 6. a handle; 7. the battery connects positive and negative terminals.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the present embodiment discloses a modular plastic box for a lithium battery, which includes a base 1 and a top cover 2, and a plurality of box modules 3 detachably connected in sequence are disposed between the base 1 and the top cover 2.

As shown in fig. 2, each box module 3 includes two box side plates 301, the cross section of each box side plate 301 is concave, the concave surfaces of the two box side plates 301 are arranged oppositely, and the two adjacent box side plates 301 on the same side are detachably connected through a bolt assembly.

As shown in fig. 3 and 4, in particular, the case side plate 301 comprises a middle cross-shaped body 301-1, two sides of the cross-shaped body 301-1 are integrally formed with an angular side plate 301-2, and the cross-shaped body 301-1 structure is beneficial to heat dissipation of the internal battery. The cross-shaped body 301-1 and the outer side of the angular side plate 301-2 are integrally formed with a convex edge 301-3, the convex edge 301-3 is provided with a mounting hole, and two adjacent box body side plates 301 are fixed together after penetrating through the mounting hole through a bolt assembly. The box body side plates 301 positioned at the lowest part or the uppermost part are detachably connected with the base 1 and the top cover 2 through bolt assemblies.

As shown in fig. 5, a plurality of battery packs 4 are provided between the two case side plates 301. In the present embodiment, the battery pack 4 includes a plurality of battery blocks 401, and in the present embodiment, the battery pack 4 includes two battery blocks 401. Each battery block 401 comprises a plurality of battery cells 401-1, and the ends of the battery cells 401-1 are assembled at the mounting holes of the battery support 401-2. The four corners of the outer side of the battery support 401-2 are provided with supporting legs 401-3, the supporting legs 401-3 are pressed against the inner wall of the case body side plate 301 so as to realize the fixation in the front, rear, left and right directions, the battery support 401-2 positioned at the lowermost position is pressed against the base 1, and the battery support 401-2 positioned at the uppermost position is pressed against the top cover 2 so as to realize the fixation in the up and down directions. The battery cell 401-1 may be a pouch, square, cylindrical battery.

In order to improve the integrity of the battery structure, two adjacent battery supports 401-2 on the same side are spliced together by a clamping structure. In this embodiment, the snap-fit structure is dovetail-shaped.

As shown in fig. 6, battery holder fixing plates 5 are disposed on both sides of the base 1, and a handle 6 and positive and negative terminals 7 for battery connection are disposed at the bottom of the base 1.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a modularization plastics box for lithium cell which characterized in that: the box module comprises a base (1) and a top cover (2), wherein a plurality of box modules (3) which are sequentially detachably connected are arranged between the base (1) and the top cover (2).

2. The modular plastic case for lithium batteries according to claim 1, wherein: every box module (3) all includes two box curb plates (301), the transversal spill of personally submitting of box curb plate (301), two the concave surface looks mutual disposition of box curb plate (301), adjacent two of homonymy box curb plate (301) are through bolt assembly dismantlement connection.

3. The modular plastic case for lithium batteries according to claim 2, wherein: the box body side plate (301) comprises a middle ten-character body (301-1), angular side plates (301-2) are integrally formed on two sides of the ten-character body (301-1), convex ribs (301-3) are integrally formed on the outer sides of the ten-character body (301-1) and the angular side plates (301-2), mounting holes are formed in the convex ribs (301-3), and two adjacent box body side plates (301) are fixed together after penetrating through the mounting holes through bolt assemblies.

4. The modular plastic case for lithium batteries as claimed in claim 3, wherein: a plurality of battery packs (4) are arranged between the two box body side plates (301).

5. The modular plastic case for lithium batteries according to claim 4, wherein: the battery pack (4) comprises a plurality of battery blocks (401), each battery block (401) comprises a plurality of single batteries (401-1), the ends of the single batteries (401-1) are assembled on a battery support (401-2), four corner positions at the outer side of the battery support (401-2) are provided with supporting legs (401-3), and the supporting legs (401-3) abut against the inner wall of the box body side plate (301).

6. The modular plastic case for lithium batteries according to claim 5, wherein: two adjacent battery supports (401-2) positioned on the same side are spliced together through a clamping structure.

7. The modular plastic case for lithium batteries according to claim 2, wherein: the base (1) is detachably connected with the box body side plate (301) positioned at the lowest part through a bolt assembly; the top cover (2) is detachably connected with the box body side plate (301) positioned at the uppermost part through a bolt assembly.

8. The modular plastic case for lithium batteries according to claim 1, wherein: the base (1) is provided with a battery rack fixing plate (5), a handle (6) and a battery wiring positive and negative terminal (7).