CN218385442U

CN218385442U - Battery box and electronic equipment

Info

Publication number: CN218385442U
Application number: CN202222564426.2U
Authority: CN
Inventors: 黄树人; 易志威; 叶石佳; 任楚乔; 肖磊; 文辉
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Precision Mold Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Precision Mold Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-24
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a battery case and electronic equipment, the battery case includes: the battery shell is provided with an accommodating cavity with an opening, the battery cover is the same as the opening in shape and is installed at the opening, the opening is provided with a plurality of step structures, each step structure comprises a first step surface and a second step surface, the first step surface is vertically connected with the inner wall of the battery shell, the second step surface is vertically connected with the first step surface, at least one protrusion is arranged on the first step surface of each step structure, the distance between each protrusion and the second step surface is equal, and the battery cover is provided with a groove corresponding to the protrusion. The utility model provides a battery case has bellied stair structure through setting up at the opening part to make the distance of all archs apart from second step face among the affiliated stair structure equal, thereby restriction battery cover and battery case assembly finish back battery cover lateral wall and the interval between the battery case lateral wall equal, just so can guarantee that battery cover and battery case weld gap are evenly distributed when passing through welded fastening.

Description

Battery box and electronic equipment

Technical Field

The utility model relates to a battery field especially relates to a battery case and electronic equipment.

Background

At present, most of battery cases and base plates are assembled and fixed together by welding, so that a certain gap is formed between the base plate and the inner wall of the battery case when the base plate is covered on the opening of the battery case, so as to ensure that the base plate and the battery case can be welded. However, in the prior art, when the battery case is basically assembled with the battery case in a covering mode, the phenomenon that gaps are not uniform easily occurs, and therefore the welding quality between the battery case and the base plate is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve among the above-mentioned prior art battery case and base plate lid and appear weld gap uneven distribution's technical problem when closing the assembly easily, provide a battery case and electronic equipment.

The utility model adopts the technical proposal that:

the utility model provides a battery case and electronic equipment, wherein the battery case includes: the battery shell is provided with an accommodating cavity with an opening, the battery cover is the same as the opening in shape and is installed at the opening, the opening is provided with a plurality of step structures, each step structure comprises a first step surface and a second step surface, the first step surfaces are vertically connected with the inner wall of the battery shell, the second step surfaces are vertically connected with the first step surfaces, each first step surface of each step structure is provided with at least one bulge, the distance between each bulge and each second step surface is equal, and the battery cover is provided with a groove corresponding to the position of each bulge.

In one embodiment, the protrusion is in an isosceles trapezoid shape, and an included angle between the inclined surface of the protrusion and the first step surface is an acute angle.

In one embodiment, the groove is in the shape of an isosceles trapezoid, and the groove and the protrusion are equal in size.

In one embodiment, the battery case is in a cubic shape, the inside of the battery case is hollow to form the accommodating cavity, the opening is arranged at the top of the battery case, and the battery cover is in a square flat plate shape.

In an embodiment, two symmetrical step structures are oppositely arranged at the opening, each step structure is provided with one protrusion, and two opposite edges of the battery cover are respectively and correspondingly provided with one groove.

In an embodiment, the height of the protrusion is smaller than the height of the second step surface, and the thickness of the battery cover is equal to the height of the second step surface.

Further, the battery cover and the battery case are fixed by welding.

An electronic device comprising a battery pack as described above.

Compared with the prior art, the utility model provides a battery case has bellied stair structure through setting up at the opening part to make all archs equal apart from the distance of second step face among the affiliated stair structure, thereby spacing between restriction battery cover and the battery case lateral wall after the battery cover finishes assembling equals, and weld gap is evenly distributed when just so can guaranteeing battery cover and battery case to pass through welded fastening.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of a battery box according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a battery case according to an embodiment of the present invention;

FIG. 3 is a diagram showing the inner wall of the battery case and the inner wall of the battery case after the assembly of the embodiment of the present invention;

1. a battery case; 11. a first step surface; 12. a second step surface; 2. a battery cover; 3. a protrusion; 4. and (6) a groove.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

At present, most of battery cases and base plates are assembled and fixed together by welding, so that a certain gap is required between the base plate and the inner wall of the battery case when the base plate is covered on the opening part of the battery case, so as to ensure that the base plate and the battery case can be welded. However, in the prior art, when the battery case is basically assembled with the battery case in a covering mode, the phenomenon that gaps are not uniform easily occurs, and therefore the welding quality between the battery case and the base plate is affected.

Consequently, in order to solve among the prior art the uneven problem of weld gap distribution appears easily when battery case and base plate lid close the assembly, the utility model provides a battery case, include:

the battery shell is provided with an accommodating cavity with an opening, the shape of the battery cover is the same as that of the opening, and the battery cover is arranged at the opening. Particularly, in order to ensure that the gap between the battery cover and the battery shell is uniform when the battery cover is arranged at the opening, the opening is provided with a plurality of step structures, each step structure comprises a first step surface vertically connected with the inner wall of the battery shell and a second step surface vertically connected with the first step surface, at least one protrusion is arranged on the first step surface in each step structure, the distance between each protrusion in each step structure and the second step surface in the corresponding step structure is equal, the battery cover is provided with a groove inserted with the protrusion, and the positions of the grooves on the battery cover correspond to the positions of the protrusions on the opening one by one. Because the distance between the bulge and the second step surface in the step structure is equal, after the battery cover and the battery shell are assembled, the gaps between the side wall of the battery cover and the side wall of the battery shell are equal, and the welding gaps can be uniformly distributed by welding the battery cover and the battery shell through the gaps.

In conclusion, the utility model provides a battery case has bellied stair structure through setting up at the opening part to make all archs equal apart from the distance of second step face among the affiliated stair structure, thereby spacing between restriction battery cover and the battery case lateral wall after the battery cover finishes the assembly is equal, just so can guarantee that welding gap is evenly distributed when battery cover and battery case pass through welded fastening.

The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 3, the utility model provides a battery box, including the battery case 1 that is the cube form, the inside cavity of battery case 1 forms and holds the chamber, and the top of battery case 1 is equipped with square opening, and battery cover 2 is square flat, and battery cover 2 installs the opening part at battery case 1. The opening is provided with at least one step structure, and specifically, the step structure comprises a first step surface 11 vertically connected with the inner wall of the battery shell and a second step surface 12 vertically connected with the first step surface 11. In the present embodiment, in order to simplify the process, only one stepped structure is provided at each of the two width-directional opening portions of the cubic battery can 1, and one projection 3 is provided on each of the first stepped surfaces 11 of the stepped structures, and the two projections are symmetrically provided. The step structure is arranged at the opening, so that the bulge can be arranged on the step structure of the opening, the bulge does not need to be arranged inside the battery case, and the space inside the battery case is saved.

Further, in order to facilitate the quick assembly of the battery cover and the battery case, in this embodiment, the protrusion 3 is in an isosceles trapezoid shape, an included angle between two inclined planes of the protrusion 3 and the first step surface 11 is an acute angle, and the height of the protrusion 3 is smaller than that of the second step surface 12. Correspondingly, two opposite edges in the width direction of the battery cover 2 are respectively provided with a groove 4, the distance between the two grooves is equal to the distance between the two bulges, the shape of the groove 4 is also isosceles trapezoid and equal to the bulge 3, and the thickness of the battery cover 2 is equal to the height of the second step surface 12. Therefore, when the battery cover is installed on the battery shell, the raised inclined surface can play a role in guiding, the groove on the battery cover can slide along the raised inclined surface after being positioned on the protrusion, so that the battery cover can be quickly inserted into the protrusion, the assembled battery cover is attached to the first step surface, and the battery cover is flush with the top of the battery shell.

In order to ensure that the welding clearance between the assembled battery cover and the assembled battery shell is uniformly distributed, the positions of the protrusions and the grooves need to be set according to the specific sizes of the battery shell and the battery cover, so that the positions of the grooves on the battery cover correspond to the positions of the protrusions on the openings one by one. That is, when the opening is reduced to be as large as the battery cover in equal proportion, the battery cover and the battery shell can be overlapped, and the groove in the battery cover and the protrusion in the battery shell can be overlapped, so that after the battery shell and the battery cover are assembled, the distance between the side wall of the battery shell and the side wall of the battery cover is equal, the welding gap is ensured to be uniform when the battery shell and the battery cover are welded along the gap between the side wall of the battery shell and the side wall of the battery cover, and the welding quality is ensured to be good.

In the following, the cube-shaped battery case and the plate-shaped battery cover in this embodiment are taken as examples to specifically explain how to arrange the positions of the protrusions and the grooves according to the shapes and the sizes of the battery case and the battery cover so that the distances between the assembled battery case side walls and the assembled battery cover side walls are equal. In the present embodiment, as shown in fig. 1 to 3, in order to simplify the process, only one step structure is provided at each of the opening portions in both width directions of the cubic battery can 1, one isosceles trapezoidal protrusion 3 is provided on each of the first step faces 11 in each step structure, both inclined faces of the protrusion 3 are provided facing both side walls in the length direction of the cubic battery can 1, the two protrusions 3 are symmetrically provided, and the distance from each protrusion 3 to the second step face 12 in the associated step structure is equal. Correspondingly, two isosceles trapezoid-shaped grooves 4 are respectively arranged at two edges in the width direction of the battery cover 2, the two grooves 4 are symmetrically arranged, and the inclined planes of the grooves are opposite to the two edges in the length direction of the battery cover. The distance between the slope of the projection 3 and the opposite side wall minus the distance between the slope of the groove 4 and the opposite edge is equal to the distance between the projection 3 and the second step surface 12, so that the distances between the inner wall of the assembled battery case and the inner wall of the battery cover are equal.

In another embodiment, two step structures are respectively arranged at the opening parts of the cubic battery shell in two width directions and two length directions, an isosceles trapezoid-shaped bulge 3 is respectively arranged on the first step surface 11 in each step structure, and the distance between each bulge 3 and the second step surface 12 in the step structure is equal. Correspondingly, two edges in the width direction and two edges in the length direction of the battery cover 2 are respectively provided with an isosceles trapezoid-shaped groove 4, so that the equal distance between the inner wall of the assembled battery shell and the inner wall of the battery cover can be ensured.

The utility model discloses still provide an electronic equipment who uses the battery case that the above-mentioned provided.

It is noted that the terminology used above is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, so that the scope of the present application is not to be construed as being limited.

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 battery box comprises a battery shell and a battery cover, wherein the battery shell is provided with an accommodating cavity with an opening, the battery cover is in the same shape as the opening and is arranged at the opening.

2. A battery pack as claimed in claim 1, wherein said projection is in the form of an isosceles trapezoid, and an angle formed between a slope of said projection and said first step surface is an acute angle.

3. A battery pack as claimed in claim 2 wherein said recess is in the form of an isosceles trapezoid, said recess being equi-large with said projection.

4. A battery case according to claim 3, wherein said battery case has a cubic shape, the inside of said battery case is hollowed to form said receiving cavity, said opening is provided at the top of said battery case, and said battery cover has a square flat plate shape.

5. A battery pack as claimed in claim 3, wherein said opening is provided with two symmetrical step structures, each of said step structures being provided with one of said protrusions, and said battery cover is provided with one of said grooves at each of two opposite edges thereof.

6. A battery case as defined in claim 3, wherein said projection has a height smaller than that of said second step surface, and said battery cover has a thickness equal to that of said second step surface.

7. The battery case of claim 1, wherein said battery cover and said battery case are fixed by welding.

8. Electronic device, characterized in that it comprises a battery pack according to any one of claims 1-7.