CN210956738U

CN210956738U - Double-layer shell double-layer glue dispensing groove flame-retardant safety structure for battery

Info

Publication number: CN210956738U
Application number: CN201922163615.7U
Authority: CN
Inventors: 陈道戈; 刘斌生; 张凤敏
Original assignee: Fujian Scud Power Technology Co Ltd
Current assignee: Fujian Scud Power Technology Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-07-07
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a double-layer shell double-layer glue dispensing groove flame-retardant safety structure for a battery, which comprises a box body formed by combining a double-layer upper cover, a double-layer middle cover and a double-layer lower cover; a battery cell module is arranged in the box body; the top of the battery cell module is provided with a protection board module; the top of the inner side of the double-layer upper cover and the bottom of the inner side of the double-layer lower cover are connected with a double-layer clapboard through buckles. The utility model discloses the battery case is double-deck design, and 6 faces around guaranteeing about electric core module about, are bilayer structure, and there is double-deck gluey groove design and screw fastening in double-deck upper cover, the double-deck lower cover junction, guarantees shell intensity. The double-layer shell and the double-layer rubber groove are designed, the structural strength is good, and the overall explosion-proof, flame-retardant, sealing and waterproof performances are greatly improved.

Description

Double-layer shell double-layer glue dispensing groove flame-retardant safety structure for battery

Technical Field

The utility model relates to a power battery technical field especially involves a fire-retardant safety structure in double-deck shell double-deck point gluey groove for battery.

Background

Following the balance car, the sharing bicycle, scooter and unmanned aerial vehicle's development, for guaranteeing battery safe handling, it is complicated more to the shape structure requirement of battery, shell intensity requirement is higher, light in weight, the shape dysmorphism, the structure of present most battery package in the industry is that electric core group is fixed with the shell, the shell is single-deck engineering plastics material basically, perhaps place electric core directly in the shell, protection behind the fixed and short circuit of electric core is more scarce, harsh when product service condition, vibrations are big, the inside short circuit of electric core group leads to the burning, single shell often can lead to breaking because of the intensity is not enough, single interlayer protection is not enough to lead to inside flame to be on a fire to the shell. Therefore, the battery shell can not only prevent explosion and delay burning, but also enhance the strength of the shell, and the double-layer battery shell for ensuring the safe operation of the battery is urgently needed by the society.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the weak point among the above-mentioned prior art and provide one kind can be explosion-proof, prevent to prolong and burn and strengthen shell intensity again, the fire-retardant safety structure in double-deck shell double-deck point gum groove of double-deck guarantee battery safety work.

The utility model discloses a realize through following mode:

the utility model provides a fire-retardant safety structure in groove is glued to double-deck point of double-deck shell for battery which characterized in that: comprises a box body formed by combining a double-layer upper cover, a double-layer middle cover and a double-layer lower cover; a battery cell module is arranged in the box body; the top of the battery cell module is provided with a protection board module; the top of the inner side of the double-layer upper cover and the bottom of the inner side of the double-layer lower cover are connected with a double-layer clapboard through buckles.

Furthermore, the double-layer structures of the double-layer upper cover, the double-layer middle cover and the double-layer lower cover are all side wall parts; the double-layer structure is formed by fixedly connecting an inner shell and an outer shell by reinforcing ribs.

Further, the upper end and the lower end of the double-layer middle cover are provided with double-layer glue grooves; the upper end and the lower end of the double-layer rubber groove are respectively clamped with the double-layer upper cover and the double-layer lower cover.

Furthermore, the double-layer rubber groove is formed by arranging a groove at the end part of each of the inner and outer shells of the double-layer middle cover; the groove is clamped with the double-layer upper cover and the double-layer lower cover corresponding to the raised strips formed on the end part of the shell.

Furthermore, the upper end and the lower end of the double-layer middle cover are fixedly connected with the double-layer upper cover and the double-layer lower cover through screws.

Furthermore, the double-layer clapboard is internally provided with a <' > shaped rib.

Furthermore, the wall thickness of the single-layer shell of the double-layer upper cover, the double-layer middle cover and the double-layer lower cover is 1.5mm-3.5 mm.

The beneficial effects of the utility model reside in that: the utility model discloses the battery case is double-deck design, and 6 faces around guaranteeing about electric core module about, are bilayer structure, and there is double-deck gluey groove design and screw fastening in double-deck upper cover, the double-deck lower cover junction, guarantees shell intensity. The double-layer shell and the double-layer rubber groove are designed, the structural strength is good, and the overall explosion-proof, flame-retardant, sealing and waterproof performances are greatly improved. Even if the outer damage of double-deck shell design, the inside electric core module of inlayer shell still can effectual protection normally works. The double-layer partition plate is designed at the bottom and the top and is fixed in the double-layer lower cover and the double-layer upper cover through the buckles, the double-layer structure protection of 6 surfaces of the battery cell module is realized, and the protection effect is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is an enlarged view of part A of the present invention;

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

as shown in fig. 1-2, a double-layer casing double-layer glue dispensing groove flame-retardant safety structure for a battery is characterized in that: comprises a box body formed by combining a double-layer upper cover 1, a double-layer middle cover 2 and a double-layer lower cover 3; a battery cell module 5 is arranged in the box body; the top of the battery cell module 5 is provided with a protection board module 6; the top of the inner side of the double-layer upper cover 1 and the bottom of the inner side of the double-layer lower cover 3 are connected with a double-layer clapboard 4 through buckles.

Further, the double-layer structures of the double-layer upper cover 1, the double-layer middle cover 2 and the double-layer lower cover 3 are all side wall parts; the double-layer structure is formed by fixedly connecting an inner shell and an outer shell by reinforcing ribs 7.

Further, the upper end and the lower end of the double-layer middle cover 2 are provided with double-layer glue grooves 8; the upper end and the lower end of the double-layer rubber groove 8 are respectively clamped with the double-layer upper cover 1 and the double-layer lower cover 3.

Further, the double-layer rubber groove 8 is formed by arranging a groove 81 at each of the end parts of the inner and outer shells of the double-layer middle cover 2; the groove 81 is clamped with the convex strip 10 formed on the end parts of the double-layer upper cover 1 and the double-layer lower cover 3 corresponding to the shell.

Furthermore, the upper end and the lower end of the double-layer middle cover 2 are fixedly connected with the double-layer upper cover 1 and the double-layer lower cover 3 through screws.

Furthermore, the double-layer partition plate 4 is internally provided with a "<" -shaped rib 9.

Furthermore, the wall thickness of the single-layer shell of the double-layer upper cover 1, the double-layer middle cover 2 and the double-layer lower cover 3 is 1.5mm-3.5 mm.

The utility model discloses the battery case is double-deck design, and 6 faces around guaranteeing about electric core module about, are bilayer structure, and there is double-deck gluey groove design and screw fastening in double-deck upper cover, the double-deck lower cover junction, guarantees shell intensity. The double-layer shell and the double-layer rubber groove are designed, the structural strength is good, and the overall explosion-proof, flame-retardant, sealing and waterproof performances are greatly improved. Even if the outer damage of double-deck shell design, the inside electric core module of inlayer shell still can effectual protection normally works. The double-layer partition plate is designed at the bottom and the top and is fixed in the double-layer lower cover and the double-layer upper cover through the buckles, the double-layer structure protection of 6 surfaces of the battery cell module is realized, and the protection effect is better.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fire-retardant safety structure in groove is glued to double-deck point of double-deck shell for battery which characterized in that: comprises a box body formed by combining a double-layer upper cover (1), a double-layer middle cover (2) and a double-layer lower cover (3); a battery cell module (5) is arranged in the box body; the top of the battery cell module (5) is provided with a protection board module (6); the top of the inner side of the double-layer upper cover (1) and the bottom of the inner side of the double-layer lower cover (3) are connected with a double-layer clapboard (4) through buckles.

2. The double-layer shell double-layer glue dispensing groove flame-retardant safety structure for the battery as claimed in claim 1, wherein: the double-layer structures of the double-layer upper cover (1), the double-layer middle cover (2) and the double-layer lower cover (3) are all side wall parts; the double-layer structure is formed by fixedly connecting an inner shell and an outer shell by reinforcing ribs (7).

3. The double-layer shell double-layer glue dispensing groove flame-retardant safety structure for the battery as claimed in claim 1, wherein: the upper end and the lower end of the double-layer middle cover (2) are provided with double-layer glue grooves (8); the upper end and the lower end of the double-layer rubber groove (8) are respectively clamped with the double-layer upper cover (1) and the double-layer lower cover (3).

4. The double-layer shell double-layer glue dispensing groove flame-retardant safety structure for the battery as claimed in claim 3, wherein: the double-layer rubber groove (8) is formed by arranging a groove (81) at the end part of each of the inner and outer shells of the double-layer middle cover (2); the groove (81) is clamped with the convex strip (10) formed on the end part of the shell corresponding to the double-layer upper cover (1) and the double-layer lower cover (3).

5. The double-layer shell double-layer glue dispensing groove flame-retardant safety structure for the battery as claimed in claim 1, wherein: the upper end and the lower end of the double-layer middle cover (2) are fixedly connected with the double-layer upper cover (1) and the double-layer lower cover (3) through screws.

6. The double-layer shell double-layer glue dispensing groove flame-retardant safety structure for the battery as claimed in claim 1, wherein: the double-layer clapboard (4) is internally provided with a <' > shaped rib (9).

7. The double-layer shell double-layer glue dispensing groove flame-retardant safety structure for the battery as claimed in claim 1, wherein: the wall thickness of the single-layer shell of the double-layer upper cover (1), the double-layer middle cover (2) and the double-layer lower cover (3) is 1.5mm-3.5 mm.