CN212907972U - Nickel sheet of shockproof structure - Google Patents

Abstract

The utility model discloses a nickel sheet with a shockproof structure, which comprises a plurality of connected bases, a plurality of bosses arranged on the bases and a plurality of splitter boxes; the boss is a hollow bulge at the bottom, which is formed by extending towards one side of the base; the included angle between the bosses and the bases is 30-90 degrees, and the bosses on two adjacent bases are not parallel in a staggered mode. Through set up the boss structure on the base, can effectual elimination nickel piece internal stress, the impact energy when absorbing vibrations, falling can also improve the intensity of nickel piece.

Description

Nickel sheet of shockproof structure

Technical Field

The utility model relates to a lithium battery processing technology field especially involves a nickel piece of shockproof structure.

Background

At present, in the packaging process of the power battery, the electrical connection between the battery cores is mostly realized by adopting nickel sheets to form a complete loop. In the use process of the power battery, the working condition is complex and the environment is very severe. Therefore, before shipping, the shared power battery needs to pass the reliability tests in the standards of UN38.3, UL2271 and the like, such as a strict collision test, a vibration test, a drop test and the like. During the testing of the battery, the nickel plate often breaks.

At present, a nickel sheet of a power battery adopts a flattening structure, a buffering shockproof structure is not adopted, and the phenomena of fracture, tearing and the like are easy to occur in the use process of the battery.

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 and possess buffering shock-absorbing function, can effectively prevent the cracked nickel sheet of shockproof structure of nickel sheet.

The utility model discloses a realize through following mode:

the nickel sheet of the shockproof structure is characterized in that: comprises a plurality of connected bases, a plurality of bosses arranged on the bases and a plurality of splitter boxes; the boss is a hollow bulge at the bottom, which is formed by extending towards one side of the base; the included angle between the bosses and the bases is 30-90 degrees, and the bosses on two adjacent bases are not parallel in a staggered mode.

Further, the bases are connected in sequence on the same plane.

Furthermore, the included angle between the boss and the base is 90 degrees.

Furthermore, the connection part of the base and the base is in arc transition; and a splitter box is arranged at the arc transition position.

Furthermore, a positioning hole is formed in the boss.

Furthermore, the splitter box is in any one or combination of any several of a straight shape, an I shape, an S shape and a Z shape.

The beneficial effects of the utility model reside in that: through set up the boss structure on the base, can effectual elimination nickel piece internal stress, the impact energy when absorbing vibrations, falling can also improve the intensity of nickel piece.

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 a schematic view of a nickel sheet structure 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 (b):

as shown in FIG. 1, a nickel sheet with a shockproof structure comprises 5 bases 1 which are sequentially connected, and bosses 2 and splitter boxes 3 which are arranged on the bases 1; the boss 2 is a hollow bulge at the bottom, which is formed by extending towards one side of the base 1; the included angle between the boss 2 and the base 1 is 90 degrees, and the bosses 2 on two adjacent bases 1 are not parallel in a staggered mode.

Further, the bases 1 are sequentially connected on the same plane.

Further, the connection position of the base 1 and the base 1 is in arc transition; and a splitter box 3 is arranged at the arc transition position.

Furthermore, a positioning hole 4 is arranged on the boss 2.

Furthermore, the splitter box 3 is in a shape of one or a combination of any of a straight line, an I shape, an S shape and a Z shape.

The nickel sheet is a bridge for realizing electric connection between the electric cores, and the whole electric core group forms a complete loop through the nickel sheet. The utility model discloses the nickel piece that takes precautions against earthquakes of structure comprises a plurality of base, a plurality of boss, a plurality of locating hole and a plurality of splitter box. The shape of the whole nickel sheet is not unique, and can be freely adjusted according to the outline of the battery bracket. A30-90-degree oblique angle is formed between each boss and the corresponding base, and a staggered boss is formed between every two adjacent base planes, so that the internal stress of the nickel sheet can be effectively eliminated, the impact energy generated when the nickel sheet is vibrated and dropped can be absorbed, and the strength of the nickel sheet can be improved. The positioning holes are matched with the positioning columns on the battery support, and mainly function in positioning to ensure the position accuracy of the nickel sheet. The shunt groove is not unique, and can be freely adjusted into various shapes, such as a straight-line-shaped shunt groove, an I-shaped shunt groove, an S-shaped shunt groove, a Z-shaped shunt groove and the like. Through the utility model discloses shockproof structure nickel piece of structure can effectually carry out the antivibration anticollision, can satisfy the reliability test in standards such as UN38.3, UL2271 such as strict collision test, vibration test, drop test.

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 (6)

1. The nickel sheet of the shockproof structure is characterized in that: comprises a plurality of connected bases (1), a plurality of bosses (2) and a plurality of shunting grooves (3) which are arranged on the bases (1); the boss (2) is a protrusion with a hollow bottom and formed by extending towards one side of the base (1); the included angle between the boss (2) and the base (1) is 30-90 degrees, and the bosses (2) on two adjacent bases (1) are not parallel in a staggered mode.

2. The nickel sheet for a seismic structure according to claim 1, wherein: the bases (1) are connected in sequence on the same plane.

3. The nickel sheet for a seismic structure according to claim 1, wherein: the included angle between the boss (2) and the base (1) is 90 degrees.

4. The nickel sheet for a seismic structure according to claim 1, wherein: the connection part of the base (1) and the base (1) is in arc transition; and a splitter box (3) is arranged at the arc transition position.

5. The nickel sheet for a seismic structure according to claim 1, wherein: and the boss (2) is provided with a positioning hole (4).

6. The nickel sheet for a seismic structure according to claim 1, wherein: the splitter box (3) is in any one or combination of any several of a straight shape, an I shape, an S shape and a Z shape.

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