CN217114507U

CN217114507U - Lithium ion battery cell module

Info

Publication number: CN217114507U
Application number: CN202220527643.1U
Authority: CN
Inventors: 钟国萍
Original assignee: Shenzhen Zhongxinneng Technology Co ltd
Current assignee: Shenzhen Zhongxinneng Technology Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-02
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a lithium ion battery cell module, which comprises a protective aluminum film, a battery cell, a positive electrode lug, a negative electrode lug, a sealing plate, a rubber plug, a positioning bolt, a protective shell and a protective plate, wherein the protective aluminum film is wound and hermetically encapsulated outside the battery cell, the positive electrode lug and the negative electrode lug are arranged on one side of the battery cell, the battery cell is sheathed at the inner diameter of the protective shell and is positioned and installed by using the sealing plate and the rubber plug, the positioning bolt clamps and positions the battery cell and the protective shell, the protective plate is arranged outside the protective shell for impact protection, the lithium ion battery cell module is characterized in that the protective shell is provided with a triangular buffer plate which is uniformly distributed on the basis of a bottom base plate body, the triangular buffer plate is composed of a plurality of groups of triangular plate bodies, the structural strength is high, the impact resistance is good, the external impact can be effectively buffered, the damage of the impact to the battery cell is reduced, a supporting rubber pad is used as a structural support for fixing the position of the battery cell, and the sliding of the battery cell in the inner diameter of the protective shell is avoided, the guard plate is aluminum alloy honeycomb panel material, and matter is light structural strength is high.

Description

Lithium ion battery cell module

Technical Field

The utility model relates to a lithium ion battery electric core field, especially a lithium ion battery electric core module.

Background

Polymer cells are also a component of lithium ion batteries. The composition of the lithium ion secondary rechargeable battery is as follows: the battery cell + protective circuit board, the rechargeable battery removes the protective circuit board and is exactly the battery cell, is the electric power storage part in the rechargeable battery. The quality of the battery cell directly determines the quality of the rechargeable battery, and the battery cell has no protection and poor impact resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a lithium ion battery cell module. In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a lithium ion battery electricity core module, includes protective aluminum membrane, electric core, anodal ear, negative pole ear, closing plate, rubber buffer, positioning bolt, protective housing, guard plate, and the airtight encapsulation of electric core outside winding has protective aluminum membrane, and there are anodal ear and negative pole ear electric core one side, and electric core suit is at the protective housing internal diameter and uses closing plate and rubber buffer location installation, and positioning bolt presss from both sides tight location with electric core and protective housing, and the protective housing outside is provided with the guard plate and does the impact protection.

Preferably, the protective housing plate body comprises subbase board, location screw thread section of thick bamboo and triangle buffer board, has laid the triangle buffer board based on subbase board plate body equipartition, and the triangle buffer board is that multiunit triangle-shaped plate body constitutes, and structural strength is high, and impact resistance is good, can effectual buffering external impact, reduces to strike the injury to electric core, and location screw thread section of thick bamboo position corresponds the setting with the positioning bolt position.

Preferably, positioning bolt comprises cross screwhead, screw rod and supporting rubber pad, and cross screwhead and screw rod integral type design, its body of rod tightly withstands supporting rubber pad after the screw rod screw thread initiative passes the positioning thread section of thick bamboo, and supporting rubber pad and electric core hard contact are supported by the structure of electric core rigidity to the supporting rubber pad, avoid electric core to take place to slide at the protective housing internal diameter.

Preferably, the guard plate is aluminum alloy honeycomb panel material, and matter is light structural strength high.

Compared with the prior art, the utility model has the advantages of it is following:

1: the protective housing plate body comprises bottom substrate, location thread section of thick bamboo and triangle buffer board, has laid the triangle buffer board based on bottom substrate plate body equipartition, and the triangle buffer board is that multiunit triangle-shaped plate body constitutes, and structural strength is high, and impact resistance is good, can effectual buffering external impact, reduces to strike the injury to electric core, and location thread section of thick bamboo position corresponds the setting with the positioning bolt position.

Drawings

Fig. 1 is a schematic structural diagram of the lithium ion battery cell module of the present invention.

Fig. 2 is the mounting structure schematic diagram of the lithium ion battery cell module of the present invention.

Fig. 3 is a schematic structural diagram of the protective casing of the present invention.

Fig. 4 is a schematic structural view of the positioning bolt bracket of the present invention.

Fig. 5 is a schematic structural view of the triangular buffer board of the present invention.

In the figure: 1. the protective aluminum film, 2, the battery core, 3, the positive tab, 4, the negative tab, 5, the sealing plate, 6, the rubber plug, 7, the positioning bolt, 8, the protective shell, 9, the protective plate, 10, the bottom substrate, 11, the positioning threaded cylinder, 12, the triangular buffer plate, 13, the cross screw head, 14, the screw rod, 15 and the supporting rubber pad.

Detailed Description

The invention is explained in further detail below with reference to the figures and the embodiments.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a lithium ion battery cell module, including protective aluminum film 1, electric core 2, positive electrode tab 3, negative electrode tab 4, closing plate 5, rubber buffer 6, positioning bolt 7, protective housing 8, guard plate 9, the airtight protective aluminum film 1 that has been packaged in the winding of 2 outside of electric core, 2 one side tops of electric core are provided with positive electrode tab 3 and

negative electrode tab

4, 2 suits of electric core are installed at 8 internal diameters of protective housing and use

closing plate

5 and 6 location of rubber buffer to fix a position, positioning bolt 7 presss from both sides tight location with electric core 2 and protective housing 8, the 8 outside of protective housing is provided with guard plate 9 and does the impact protection.

8 plate bodies of protective housing are by subbase 10, location thread section of thick bamboo 11 and triangle-shaped buffer board 12 are constituteed, it has triangle-shaped buffer board 12 to lay based on subbase 10 plate body equipartition, triangle-shaped buffer board 12 is that multiunit triangle-shaped plate body is constituteed, high structural strength, impact resistance is good, can effectual buffering external impact, reduce the injury of strikeing to electric core 2, location thread section of thick bamboo 11 position corresponds the setting with positioning bolt 7 positions, external force strikes that it strikes angle of triangle-shaped buffer board 12 can take place certain deflection, the frontal impact has been avoided.

Positioning bolt 7 comprises cross screwhead 13, screw rod 14 and supporting rubber pad 15, and cross screwhead 13 and the design of 14 integral types of screw rod, 14 screw rods are the initiative and are passed its body of rod and tightly withhold supporting rubber pad 15 behind the location screw thread section of thick bamboo 11, and supporting

rubber pad

15 and 2 hard contacts of electric core, and supporting rubber pad 15 is the structural support of 2 rigidity of electric core, avoids electric core to take place to slide at protective housing 8 internal diameter, has guaranteed the accuracy of installation station.

The protection plate 9 is made of an aluminum alloy honeycomb plate, and is light in weight, high in structural strength and good in puncture resistance.

The utility model discloses the theory of operation: the utility model provides a lithium ion battery cell module, protective housing has the triangle-shaped buffer board based on bottom substrate plate body equipartition is mated formation, and the triangle-shaped buffer board comprises multiunit triangle-shaped plate body, and structural strength is high, and impact resistance is good, can effectual buffering external impact, reduces the injury of assaulting to electric core, and the structural support of electric core rigidity is done to the supporting rubber pad, avoids electric core to take place to slide at the protective housing internal diameter, and the guard plate is the aluminum alloy honeycomb panel material, and matter light structural strength is high.

The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.

Claims

1. The utility model provides a lithium ion battery core module, a serial communication port, including protective aluminum membrane (1), electric core (2), positive pole ear (3), negative pole ear (4), closing plate (5), rubber buffer (6), positioning bolt (7), protective housing (8), guard plate (9), electric core (2) outside winding is airtight to be packaged with protective aluminum membrane (1), electric core (2) one side top is provided with positive pole ear (3) and negative pole ear (4), electric core (2) suit is at protective housing (8) internal diameter and uses closing plate (5) and rubber buffer (6) location installation, positioning bolt (7) press from both sides tight location with protective housing (8) electric core (2), protective housing (8) outside is provided with guard plate (9) and does the impact protection.

2. The lithium ion battery core module according to claim 1, wherein the plate body of the protective shell (8) is composed of a base substrate (10), a positioning threaded cylinder (11) and a triangular buffer plate (12), the triangular buffer plate (12) is uniformly distributed on the basis of the base substrate (10), the triangular buffer plate (12) is composed of a plurality of groups of triangular plate bodies, the structural strength is high, the impact resistance is good, external impact can be effectively buffered, damage to the battery core (2) caused by impact is reduced, and the positioning threaded cylinder (11) is arranged corresponding to the positioning bolt (7).

3. The lithium ion battery cell module according to claim 1, wherein the positioning bolt (7) is composed of a cross screw head (13), a screw rod (14) and a supporting rubber pad (15), the cross screw head (13) and the screw rod (14) are designed in an integrated manner, a rod body of the screw rod (14) tightly props against the supporting rubber pad (15) after the screw thread of the screw rod (14) actively penetrates through the positioning threaded barrel (11), the supporting rubber pad (15) is in hard contact with the battery cell (2), and the supporting rubber pad (15) is used as a structural support for fixing the position of the battery cell (2) to prevent the battery cell from sliding in the inner diameter of the protective housing (8).

4. The lithium ion battery cell module according to claim 1, wherein the protection plate (9) is made of an aluminum alloy honeycomb plate, and has light weight and high structural strength.