CN217719827U

CN217719827U - Flat box

Info

Publication number: CN217719827U
Application number: CN202221325965.4U
Authority: CN
Inventors: 童作禄
Original assignee: Dongguan Jinqi Industrial Co ltd
Current assignee: Dongguan Jinqi Industrial Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-01
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to the technical field of battery boxes, in particular to a flat box body, which comprises a box body and an end plate component arranged in the box body, wherein the end plate component and the box body are matched to form a containing cavity for placing a plurality of electric cores; the end plate subassembly includes the end plate that the polylith is connected side by side, and the end plate is provided with the fixed slot that is used for joint electric core, and the fixed slot is equipped with the through-hole with electric core utmost point post matched with. The utility model discloses an end plate subassembly separates a plurality of chambeies that hold with the box, and every end plate is corresponding with an electric core for electric core can tile and set up in the box, has so not only improved space utilization, and the end plate plays fine fixed, guard action to electric core.

Description

Flat box

Technical Field

The utility model relates to a battery box technical field indicates a flattening box especially.

Background

With the development of electric automobile technology and lithium ion battery technology, lithium ion batteries are increasingly widely used in the field of electric automobiles. In recent years, as an important component of an electric vehicle, the technology of a lithium ion battery box of the electric vehicle is rapidly developed.

In order to meet the requirement of the battery box on the use of a pure electric vehicle, the battery box requires that modules as many as possible are arranged in a limited space so as to increase the electric quantity of the power battery system. In order to improve the electric quantity, a plurality of battery packs adopt a multilayer box body structure to arrange more battery modules, so that the weight of the battery packs is increased, the energy density of the battery packs is reduced, the occupied space is large, and the raw material consumption of an electric box is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a flattening box has improved space utilization.

In order to achieve the above purpose, the technical solution adopted by the present invention is to provide a flat box body, which comprises a box body and an end plate assembly arranged in the box body, wherein the end plate assembly and the box body are matched to form a containing cavity for placing a plurality of electric cores; the end plate subassembly includes the end plate that the polylith is connected side by side, the end plate is provided with the fixed slot that is used for joint electric core, the fixed slot be equipped with electric core utmost point post matched with through-hole.

As a preferable scheme, the number of the through holes is two; the two through holes which are transversely arranged correspond to the anode pole and the cathode pole of one battery cell respectively.

As a preferred scheme, the end plate assembly further comprises a supporting beam and a fixing block, the supporting beam is fixed in the box body, the end plates are fixed on the supporting beam, and the adjacent end plates are connected through the fixing block.

As a preferable scheme, the number of the end plate assemblies is four, and the four end plate assemblies are respectively two central end plate assemblies and two side end plate assemblies; two central end plate assemblies are oppositely arranged at the center of the box body, and fixing grooves of the two central end plate assemblies face to the side wall of the box body; the two side end plate assemblies are respectively arranged at two sides of the box body, and fixing grooves of the two side end plate assemblies face the central end plate assembly; two that form between side end plate subassembly and the central end plate subassembly hold the chamber, and two rows of electric cores can be placed to every chamber that holds.

As a preferable scheme, a separation cavity is formed between one side end plate assembly and the side wall of the box body, and a fixing frame is installed in the separation cavity and used for installing a battery management system.

Preferably, the two central end plate assemblies share a support beam, and a gap is left between the two central end plate assemblies.

As a preferred scheme, a reinforcing rib is further arranged between the central end plate assembly and the side end plate assembly, and two ends of the reinforcing rib are respectively connected with the supporting frame.

As a preferred scheme, be provided with a plurality of bolster in the box, every bolster is installed in the below of an electric core correspondingly.

As a preferred scheme, a wire passing channel is reserved between the side wall in the box body and the end plate assembly, and a plurality of wire racks are mounted on the side wall of the box body and used for fixedly mounting electric wires.

As a preferable scheme, a wall hanging bracket is installed on the back surface of the box body, and foot rests are installed on the outer surfaces of two sides of the box body.

The beneficial effects of the utility model reside in that:

the utility model discloses an end plate subassembly separates the box into a plurality of holding chambeies, and the end plate subassembly includes a plurality of end plates that set up side by side, and every end plate is corresponding with an electric core for electric core can tile and set up in the box, makes the box flatter, has improved space utilization; and the end plate plays a good role in fixing and protecting the battery cell.

Drawings

Fig. 1 is a schematic structural view of the flattened box of the present invention.

Fig. 2 is a schematic back view of the flattened box of the present invention.

Fig. 3 is a schematic structural view of the end plate of the present invention.

Fig. 4 is a schematic structural view of the side end plate assembly of the present invention.

Fig. 5 is a schematic view of the connection structure of two center plate assemblies according to the present invention.

The reference numbers indicate: 10-a box body; 101-a containment chamber; 102-cell; 103-a wire passage; 20-an end plate assembly; 21-a central end plate assembly; 22-a side end plate assembly; 201-end plate; 202-a support beam; 203-fixed block; 204-fixed slot; 205-a via hole; 30-a fixing frame; 40-a buffer; 50-reinforcing ribs; 60-a wire frame; 70-wall hanging bracket; 80-horse.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1 to 3, the present invention relates to a flat box, including a box 10 and an end plate assembly 20 disposed in the box 10, wherein the end plate assembly 20 and the box 10 cooperate to form a containing cavity 101 for placing a plurality of battery cells; the end plate assembly 20 comprises a plurality of end plates 201 connected side by side, the end plates 201 are provided with fixing grooves 204 used for clamping the battery cells, and the fixing grooves 204 are provided with through holes 205 matched with the battery cell poles.

The utility model discloses an end plate subassembly 20 separates box 10 into a plurality of holding chamber 101, and end plate subassembly 20 includes a plurality of end plates 201 that set up side by side, and every end plate 201 is corresponding with an electric core for the electric core can tile and set up in box 10, makes box 10 flatter, has improved space utilization; and the end plate 201 plays a good role in fixing and protecting the battery cell.

The flattened box further includes a cover (not shown) that covers the box 10 to form a sealed chamber.

As shown in fig. 3 to 5, the end plate assembly 20 further includes a support beam 202 and a fixing block 203, the support beam 202 is fixed in the box body 10, the end plates 201 are fixed on the support beam 202, and the adjacent end plates 201 are connected by the fixing block 203. In the present embodiment, the number of the end plate assemblies 20 is four, and each end plate assembly 20 is composed of four end plates 201; the number of the through holes 205 of each end plate 201 is two; the two through holes 205 arranged in the transverse direction correspond to the positive pole column and the negative pole column of one battery cell respectively. Each end plate 201 corresponds to one battery cell, and due to the transverse design of the through hole 205, the flat surface of the battery cell is attached to the bottom surface of the box body 10, that is, the battery cell is tiled in the box body 10, so that the box body 10 can be maximally flattened.

The four end plate assemblies 20 are respectively two central end plate assemblies 21 and two side end plate assemblies 22; two center end plate assemblies 21 are mounted opposite to the center of the box 10, and the fixing grooves 204 thereof face the side walls of the box 10; two side end plate assemblies 22 are respectively arranged at two sides of the box body 10, and the fixing grooves 204 of the two side end plate assemblies face the central end plate assembly 21; two cavities 101 that hold that form between two side end plate subassembly 22 and the central end plate subassembly 21, two rows of electric cores can be placed to every cavity 101 that holds, and two rows of electric cores are installed dorsad.

As shown in fig. 5, two central end plate assemblies 21 share one support beam 202, and a gap is left between the two central end plate assemblies 21 to facilitate series connection between cells. The fixed block 203 of the central end plate assembly 21 has two structures, namely a side connecting structure, which connects the end plates 201 on two sides of the central end plate assembly 21, and connects the two end plates 201 together; another is a center connection structure, which connects two adjacent end plates 201 of one center end plate assembly 21 and two adjacent end plates 201 of another center end plate assembly 21, and connects a total of four end plates 201.

A compartment 102 is formed between one of the side end plate assemblies 22 and the side wall of the box 10, and a holder 30 is mounted in the compartment 102, and the holder 30 is used for mounting a battery management system.

A plurality of buffering members 40 are arranged in the box body 10, and each buffering member 40 is correspondingly installed below one battery cell and can buffer the battery cells.

In order to improve the strength of the battery box, a reinforcing rib 50 is further arranged between the central end plate assembly 21 and the side end plate assembly 22, and two ends of the reinforcing rib 50 are respectively connected with the support frame.

A wire passage 103 is formed between the side wall of the box 10 and the end plate assembly 20, and a plurality of wire holders 60 are mounted on the side wall of the box 10 for fixedly mounting wires.

In order to better install the battery box, a hanging bracket 70 is installed on the back surface of the box body 10, and foot rests 80 are installed on the outer surfaces of both sides of the box body 10.

The above embodiments are only described as preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a flattening box, includes the box, its characterized in that: the battery pack is characterized by also comprising an end plate assembly arranged in the box body, wherein the end plate assembly and the box body are matched to form an accommodating cavity for accommodating a plurality of battery cells; the end plate subassembly includes the end plate that the polylith is connected side by side, the end plate is provided with the fixed slot that is used for joint electric core, the fixed slot be equipped with electric core utmost point post matched with through-hole.

2. The flattening box body of claim 1, wherein: the number of the through holes is two; the two through holes which are transversely arranged correspond to the positive pole column and the negative pole column of one battery cell respectively.

3. The flattening box body of claim 1, wherein: the end plate assembly further comprises a supporting beam and a fixing block, the supporting beam is fixed in the box body, the end plates are fixed on the supporting beam, and the adjacent end plates are connected through the fixing block.

4. The flattening box body of claim 3, wherein: the number of the end plate assemblies is four, and the end plate assemblies are respectively two central end plate assemblies and two side end plate assemblies; two central end plate assemblies are oppositely arranged at the center of the box body, and fixing grooves of the two central end plate assemblies face to the side wall of the box body; the two side end plate assemblies are respectively arranged at two sides of the box body, and fixing grooves of the two side end plate assemblies face the central end plate assembly; two that form between side end plate subassembly and the central end plate subassembly hold the chamber, and two rows of electric cores can be placed to every chamber that holds.

5. The flattening box body of claim 4, wherein: a separation cavity is formed between one side end plate assembly and the side wall of the box body, a fixing frame is installed in the separation cavity, and the fixing frame is used for installing a battery management system.

6. The flattening box body of claim 5, characterized in that: two central end plate assemblies share one support beam, and a gap is reserved between the two central end plate assemblies.

7. The flattening box body of claim 6, wherein: the central end plate assembly and the side end plate assembly are also provided with reinforcing ribs, and two ends of each reinforcing rib are respectively connected with the support frame.

8. The flattening box body of claim 1, characterized in that: a plurality of buffer parts are arranged in the box body, and each buffer part is correspondingly arranged below one electric core.

9. The flattening box body of claim 1, characterized in that: a wire passing channel is reserved between the side wall in the box body and the end plate assembly, and a plurality of wire racks are mounted on the side wall of the box body and used for fixedly mounting electric wires.

10. The flattening box body of claim 1, wherein: the wall-mounted support is installed on the back of the box body, and foot rests are installed on the outer surfaces of the two sides of the box body.