CN214280138U

CN214280138U - Reliable support structure for radial fixation of cylindrical battery cell

Info

Publication number: CN214280138U
Application number: CN202120248239.6U
Authority: CN
Inventors: 张计中; 叶伟军; 阮克旺
Original assignee: Fujian Scud Power Technology Co Ltd
Current assignee: Fujian Scud Power Technology Co Ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-09-24
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a reliable support structure for radial fixing of cylindrical battery cells, which comprises fixed supports arranged at two sides of a battery cell group; the fixed support is internally provided with an accommodating groove for accommodating the electric core in the electric core group, the fixed support is parallel to the axial direction of the electric core in the electric core group, and the two opposite fixed supports radially fix the electric core; the two ends of the fixed bracket are oppositely provided with a clamping groove and a buckle; the end part of the accommodating groove extends inwards to form an arc-shaped limiting piece for limiting the position of the battery cell; and a wiring groove is arranged on the arc-shaped limiting sheet. The utility model discloses a structural design of support, from radial fixed electric core, the effectual firmness of guaranteeing that electric core is fixed. By adopting the symmetrical structural design, the fixing of the electric core group can be completed by the bracket with one structure, so that the die sinking cost is reduced; the design setting of strengthening rib has avoided the arch of fixed bolster side structure in the clearance department of electric core to effectual support of having increased is anti falls intensity.

Description

Reliable support structure for radial fixation of cylindrical battery cell

Technical Field

The utility model relates to a lithium cell technical field especially involves a reliable supporting structure of cylinder electricity core radial fixation.

Background

With the progress and development of society, the intellectualization in the aspects of storage, family, trip and the like, the diversification of mobile consumer electronic products, and the adoption of batteries as clean energy providers, the batteries are more and more popular and favored by consumers and become an indispensable part of electronic products. The reliability of battery grouping and the reliability of electrical connection during application. The method is a significant research topic for improving the reliability of the whole battery surrounding environment, ensuring more safety and improving the user acceptance during the use process.

The existing supports of the cylindrical battery cell are axially fixed, the two supports are tightened and fixed by using screws, and the metal screws are used, so that after the module is impacted in the limit, parts are separated, and the risk of conductive short circuit existing in the grouping of the modules is increased; meanwhile, the two supports have different structures, so that two sets of dies need to be opened, the expenditure of one-time cost is increased, the two parts cannot be interchanged, and the assembly cost of the parts is improved.

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 a reliable supporting structure of cylinder electricity core radial fixation with low costs, radial fixed effectual.

The utility model discloses a realize through following mode:

a reliable bracket structure for radial fixation of a cylindrical battery cell comprises fixed brackets 2 arranged at two sides of a battery cell group 1; the fixed support 2 is internally provided with an accommodating groove 24 for accommodating the electric core in the electric core group 1, the fixed support 2 is parallel to the axial direction of the electric core in the electric core group 1, and the two fixed supports 2 which are oppositely arranged fix the electric core from the radial direction; the two ends of the fixed support 2 are oppositely provided with a clamping groove 21 and a buckle 22; an arc-shaped limiting sheet 23 for limiting the position of the battery cell is formed by extending the end part of the accommodating groove 24 inwards; and a wiring groove 25 is arranged on the arc-shaped limiting sheet 23.

Further, a plurality of reinforcing ribs 26 which are parallel to each other are arranged on the outer side surface of the accommodating groove 24; the reinforcing ribs 26 are arranged in the gaps between two adjacent battery cells and are perpendicular to the axial direction of the battery cells.

Furthermore, a plurality of accommodating grooves 24 are arranged in a row and are arranged in parallel; the accommodating groove 24 is a semi-cylindrical groove.

Further, a screw hole 27 is provided at a side of the bead 26.

The beneficial effects of the utility model reside in that: through the structural design of support, from radial fixed electric core, effectual electric core fixed firmness of having guaranteed. By adopting the symmetrical structural design, the fixing of the electric core group can be completed by the bracket with one structure, so that the die sinking cost is reduced; the design setting of strengthening rib has avoided the arch of fixed bolster side structure in the clearance department of electric core to effectual support of having increased is anti falls intensity.

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;

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 reliable support structure for radial fixing of cylindrical battery cells includes fixing supports 2 disposed at both sides of a battery cell group 1; the fixed support 2 is internally provided with an accommodating groove 24 for accommodating the electric core in the electric core group 1, the fixed support 2 is parallel to the axial direction of the electric core in the electric core group 1, and the two fixed supports 2 which are oppositely arranged fix the electric core from the radial direction; the two ends of the fixed support 2 are oppositely provided with a clamping groove 21 and a buckle 22; an arc-shaped limiting sheet 23 for limiting the position of the battery cell is formed by extending the end part of the accommodating groove 24 inwards; and a wiring groove 25 is arranged on the arc-shaped limiting sheet 23.

In an embodiment of the present invention, the outer side surface of the accommodating groove 24 is provided with a plurality of mutually parallel reinforcing ribs 26; the reinforcing ribs 26 are arranged in the gaps between two adjacent battery cells and are perpendicular to the axial direction of the battery cells.

In an embodiment of the present invention, a plurality of accommodating grooves 24 are arranged in a row and in parallel; the accommodating groove 24 is a semi-cylindrical groove.

In an embodiment of the present invention, a screw hole 27 is disposed on a side of the reinforcing rib 26.

The utility model discloses a structural design of support, from radial fixed electric core, the effectual firmness of guaranteeing that electric core is fixed. By adopting the symmetrical structural design, the fixing of the electric core group can be completed by the bracket with one structure, so that the die sinking cost is reduced; the design setting of strengthening rib has avoided the arch of fixed bolster side structure in the clearance department of electric core to effectual support of having increased is anti falls intensity.

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. A reliable bracket structure for radial fixation of a cylindrical battery cell comprises fixed brackets (2) arranged at two sides of a battery cell group (1); be equipped with holding tank (24) that hold electric core in electric core group (1), its characterized in that in fixed bolster (2): the fixed supports (2) are parallel to the axial direction of the electric cores in the electric core group (1), and the two fixed supports (2) which are oppositely arranged radially fix the electric cores; two ends of the fixed support (2) are oppositely provided with a clamping groove (21) and a buckle (22); an arc-shaped limiting piece (23) for limiting the position of the battery cell is formed by inwards extending the end part of the accommodating groove (24); and a wiring groove (25) is arranged on the arc-shaped limiting sheet (23).

2. The reliable support structure for radial fixation of a cylindrical cell according to claim 1, characterized in that: a plurality of reinforcing ribs (26) which are parallel to each other are arranged on the outer side surface of the accommodating groove (24); the reinforcing ribs (26) are arranged in the gaps between two adjacent battery cores and are perpendicular to the axial direction of the battery cores.

3. The reliable support structure for radial fixation of a cylindrical cell according to claim 1, characterized in that: a plurality of accommodating grooves (24) are arranged in a row and are arranged in parallel; the accommodating groove (24) is a semi-cylindrical groove.

4. The reliable support structure for radial fixation of a cylindrical cell according to claim 2, characterized in that: screw holes (27) are formed in the side portions of the reinforcing ribs (26).