CN213304202U

CN213304202U - Integral type battery module end plate

Info

Publication number: CN213304202U
Application number: CN202022507957.9U
Authority: CN
Inventors: 宋小江; 韦大林
Original assignee: Suzhou Tongrong Plastic Technology Co ltd
Current assignee: Suzhou Tongrong Plastic Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-05-28
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses an integrated battery module end plate, which comprises a main body, a nut insert and a fixing piece, wherein the nut insert and the fixing piece are arranged inside the main body in an embedding and forming mode; a positioning groove is formed in the middle of the upper end of the main body, a group of screw holes are formed in the left side and the right side of the positioning groove respectively, and the nut insert is embedded into the screw holes and fixed; the left side and the right side of the main body are respectively provided with a fixing piece. The utility model discloses set up two sets of nut inserts on the end plate, be applicable to the condition of battery module winding displacement at the homonymy, electric current homonymy input/output promptly can avoid the wiring winding, the wiring of being convenient for, it adopts nut inserts and mounting to bury fashioned mode and install in the main part, adopts monolithic structure to replace original package assembly, and processing is simpler, reduces the cost of labor.

Description

Integral type battery module end plate

Technical Field

The utility model belongs to the technical field of the battery module end plate, especially, relate to an integral type battery module end plate.

Background

The lithium ion power battery module is used as a core component of an electric automobile, and the stability and reliability of the structure of the lithium ion power battery module directly influence the performance and the service life of the whole battery system. In the new energy electric automobile industry, a battery module is usually formed by connecting a plurality of single batteries in series/parallel and is arranged between a cover plate and a bottom plate, a shell of the traditional battery module mainly comprises a pair of side plates, a pair of end plates, the bottom plate and a top plate, wherein the end plates are processed by aluminum plates, but because the processing difficulty of metal materials is high, a series of processes such as stamping, die cutting and milling are needed when the end plates are manufactured, so that the processing procedure is very complicated, and the production cost is increased; meanwhile, the metal material has excellent heat-conducting property, so that the heat diffusion of the battery module is very serious, and the service life of a battery system is directly influenced; in addition, the connecting port for connecting the output end and the input end of the battery on the existing end plate needs to connect the nut on the end plate through another processing procedure after the end plate is manufactured, and the preparation procedure is increased again. Therefore, in order to overcome the above problems, the utility model provides an integral type battery module end plate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral type battery module end plate, this battery module end plate adopt integral structure to replace original package assembly, and processing is simpler, has improved original thermal diffusion problem simultaneously.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an integrated battery module end plate comprises a main body, a nut insert and a fixing piece, wherein the nut insert and the fixing piece are installed in the main body in an embedding forming mode; a positioning groove is formed in the middle of the upper end of the main body, a group of screw holes are formed in the left side and the right side of the positioning groove respectively, and the nut insert is embedded into the screw holes and fixed; the left side and the right side of the main body are respectively provided with a fixing piece.

The technical scheme of further improvement in the technical scheme is as follows:

1. in the above scheme, the left side and the right side of the main body are respectively provided with a sunken part, the sunken parts are provided with a plurality of slots, and the fixing pieces are installed in the slots.

2. In the above scheme, the fixing piece is provided with a through hole along the central axis.

3. In the scheme, the positioning groove is internally provided with the anode mark and the cathode mark.

4. In the above scheme, the main body is made of plastic.

5. In the above scheme, the fixing member is an aluminum alloy extruded member.

6. In the scheme, the nut insert is made of a metal material with excellent conductivity.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses integral type battery module end plate, it sets up two sets of nut inserts on the end plate, is applicable to the battery module winding displacement in the condition of homonymy, and electric current homonymy input/output promptly can avoid the wiring winding, the wiring of being convenient for.

2. The utility model discloses integral type battery module end plate, its main part material that adopts plastics as the end plate has superior heat-proof quality, can reduce heat-conduction, overcomes current thermal diffusion problem.

3. The utility model discloses integral type battery module end plate, it adopts nut inserts and mounting to bury fashioned mode and install in the main part, adopts integral structure to replace original package assembly, and processing is simpler, reduces the cost of labor.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a bottom view of the main structure of the present invention.

In the figure: 1. a main body; 2. a nut insert; 3. a fixing member; 4. a screw hole; 5. a slot; 6. positioning a groove; 7. a recessed portion.

Detailed Description

In the description of this patent, it is 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 in describing the present invention and simplifying the description, but 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

The invention will be further described with reference to the following examples:

example 1: an integrated battery module end plate comprises a main body 1, a nut insert 2 and a fixing piece 3, wherein the main body 1 is made of plastic and replaces the original metal material, the weight of the end plate can be greatly reduced, and meanwhile, the production cost is reduced;

this 1 upper end middle part of main part of integral type battery module end plate is equipped with a constant head tank 6, is equipped with just, negative pole sign in this constant head tank 6, the 6 left and right sides of constant head tank respectively are equipped with a set of screw 4, 2 embedding screws of nut inserts are 4 inside fixed, 2 nut inserts are the good metal material of electric conductive property, like stainless steel, nut inserts are the output and the input that are used for connecting the battery, and here sets up two sets of nut inserts, is applicable to the battery module winding displacement in the condition of homonymy, and electric current homonymy input and output promptly can avoid the wiring winding, the wiring of being convenient for.

The left side and the right side of the main body 1 are respectively provided with a fixing part 3, the fixing parts 3 are aluminum alloy extruded parts and are used for welding with side plates on two sides of the battery module, so that end plates are connected to the battery module, the welding mode is adopted to meet the connection strength, the fixing parts 3 are provided with a through hole along the central axis, and the through hole is used for installing structures such as connecting rods or screws and can fix a plurality of battery modules together; the left side and the right side of the main body 1 are respectively provided with a sunken part 7, the sunken parts 7 are provided with a plurality of slots 5, and the fixing parts 3 are arranged in the slots 5.

The battery module end plate adopts a combined structure of plastic and an aluminum alloy extruded piece, and the use requirement can be met through detecting the strength.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an integral type battery module end plate which characterized in that: the nut insert (2) and the fixing piece (3) are installed inside the main body (1) in an embedding forming mode; a positioning groove (6) is formed in the middle of the upper end of the main body (1), a group of screw holes (4) are formed in the left side and the right side of the positioning groove (6), and the nut insert (2) is embedded into the screw holes (4) to be fixed; the left side and the right side of the main body (1) are respectively provided with a fixing piece (3).

2. The integrated battery module end plate of claim 1, wherein: the main part (1) left and right sides respectively is equipped with a depressed part (7), be equipped with a plurality of slots (5) on depressed part (7), mounting (3) are installed in slot (5).

3. The integrated battery module end plate according to claim 1 or 2, wherein: the fixing piece (3) is provided with a through hole along the central axis.

4. The integrated battery module end plate of claim 1, wherein: and positive and negative pole marks are arranged in the positioning groove (6).

5. The integrated battery module end plate of claim 1, wherein: the main body (1) is made of plastic.

6. The integrated battery module end plate of claim 1, wherein: the fixing piece (3) is an aluminum alloy extrusion piece.

7. The integrated battery module end plate of claim 1, wherein: the nut insert (2) is made of a metal material with excellent conductivity.