CN214542386U

CN214542386U - Battery pack box and battery pack

Info

Publication number: CN214542386U
Application number: CN202120833408.2U
Authority: CN
Inventors: 何亚飞
Original assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Current assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-10-29
Anticipated expiration: 2031-04-22

Abstract

The utility model relates to a battery package technical field especially relates to a battery package box and battery package. The battery pack box body provided by the utility model comprises a frame and a beam, wherein the frame is formed by welding the rolled and bent end parts of sectional materials; a plurality of crossbeams are fixed in the frame at parallel interval, and the crossbeam is used for the fixed battery module of installation. The section is bent by adopting a rolling process, then two ends of the section are welded to form a frame, and the whole frame is provided with only one welding line, so that the structural strength of the frame can be improved; the parallel interval of a plurality of crossbeams is fixed in the frame, and the installation of the battery module of being convenient for is fixed to can improve the production efficiency of battery package box, and can improve holistic structural strength, improve the holistic structural strength of battery package box, reduce and reveal the risk. The utility model provides a battery package is through using above-mentioned battery package box, and bulk strength is high, and it is little to reveal the risk.

Description

Battery pack box and battery pack

Technical Field

The utility model relates to a battery package technical field especially relates to a battery package box and battery package.

Background

The battery package includes the battery package box and sets up the battery module in the battery package box, and the battery module includes a plurality of electric cores. The box frame of traditional battery package box comprises left and right longerons and front and back crossbeam welding, and production efficiency is low, and large tracts of land welding makes the box frame take place deformation easily, and has the hidden danger of welding seam defect and the risk of revealing.

Therefore, a need exists for a battery pack case that solves the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery package box, production efficiency is high, and battery package box bulk strength is high, non-deformable, and it is little to reveal the risk.

Another object of the utility model is to provide a battery package, through using above-mentioned battery package box, the bulk strength is high, reveals that the risk is little.

In order to realize the purpose, the following technical scheme is provided:

in one aspect, a battery pack case is provided, including:

the frame is formed by welding the rolled and bent end parts of the sectional materials;

the cross beams are fixed in the frame at intervals in parallel and are used for installing and fixing the battery modules.

As an alternative scheme of the battery pack box body, a plurality of fixing holes are formed in the cross beam, and the battery module is detachably and fixedly connected to the fixing holes through fasteners.

As an alternative of the battery pack case, the cross beam is fixedly connected with the frame by welding.

As an alternative of the battery pack box body, the battery pack box body further comprises a middle longitudinal beam, two ends of the middle longitudinal beam are fixed on the frame and perpendicular to the cross beam, and the upper surface of the middle longitudinal beam is flush with the upper surface of the cross beam.

As an alternative of the battery pack case, the middle longitudinal beam is fixedly connected with the frame through welding.

As an alternative of the battery pack case, the battery pack case further comprises a bottom plate, and the bottom plate is covered at the bottom of the frame.

As an alternative of the battery pack case, the bottom plate and the frame are fixedly connected by welding.

As an alternative of the battery pack case, the battery pack case further comprises a mounting lug, and the mounting lug is welded and fixed on the outer side wall of the frame.

As an alternative of the battery pack case, the battery pack case further comprises a cover plate, and the cover plate is covered on the top of the frame.

On the other hand, a battery pack is provided, which comprises a battery module and the battery pack box body, wherein the battery module is arranged in the battery pack box body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a battery pack box body, which comprises a frame and a cross beam, wherein the frame is formed by welding the rolled and bent end parts of sectional materials; a plurality of crossbeams are fixed in the frame at parallel interval, and the crossbeam is used for the fixed battery module of installation. The section is bent by adopting a rolling process, then two ends of the section are welded to form a frame, and the whole frame is provided with only one welding line, so that the structural strength of the frame can be improved; the parallel interval of a plurality of crossbeams is fixed in the frame, and the installation of the battery module of being convenient for is fixed to can improve the production efficiency of battery package box, and can improve holistic structural strength, improve the holistic structural strength of battery package box, reduce and reveal the risk.

The utility model provides a battery package, through using above-mentioned battery package box, the bulk strength is high, and it is little to reveal the risk.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a battery pack case provided in an embodiment of the present invention;

fig. 2 is an exploded schematic view of a battery pack case provided by the embodiment of the present invention.

Reference numerals:

100-frame; 200-a cross beam; 201-fixing holes; 300-middle longitudinal beam; 400-a base plate; 500-welding seam.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described below by referring to the drawings and the detailed description.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to 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 only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-2, the present embodiment provides a battery pack case, which includes a frame 100 and a cross member 200, wherein the frame 100 is formed by welding rolled and bent end portions of sectional materials; a plurality of cross members 200 are fixed in the frame 100 at parallel intervals, and the cross members 200 are used to mount and fix battery modules (not shown). The section is bent by adopting a rolling process, then two ends of the section are welded to form a frame 100, and the whole frame 100 is provided with only one welding seam 500, so that the structural strength of the frame 100 can be improved; a plurality of crossbeams 200 parallel interval are fixed in frame 100, and the installation of the battery module of being convenient for is fixed to can improve the production efficiency of battery package box, and can improve holistic structural strength, improve the holistic structural strength of battery package box, reduce and reveal the risk.

Alternatively, the frame 100 is formed by roll bending and welding using steel profiles.

In order to facilitate the installation of the battery module, a plurality of fixing holes 201 are formed in the cross beam 200, and the battery module is detachably and fixedly connected to the fixing holes 201 through fasteners. Specifically, a mounting edge is provided on a side wall of the battery module, through holes are opened on the mounting edge, and then the battery module is detachably fixed on the cross member 200 by fasteners.

Optionally, the cross beam 200 and the frame 100 are fixedly connected by welding to ensure the connection strength of the cross beam 200 and the frame 100. The cross beam 200 may be made of aluminum alloy or steel section.

Further, the battery pack case further comprises a middle longitudinal beam 300, wherein two ends of the middle longitudinal beam 300 are fixed on the frame 100 and are perpendicular to the cross beam 200, and the upper surface of the middle longitudinal beam 300 is flush with the upper surface of the cross beam 200, so that the battery module can be conveniently mounted and fixed.

Optionally, the middle longitudinal beam 300 is fixedly connected to the frame 100 by welding. The middle longitudinal beam 300 can be made of aluminum alloy or steel profiles.

Further, the battery pack case further includes a bottom plate 400, and the bottom plate 400 is covered on the bottom of the frame 100. The bottom plate 400 is used for packaging the battery pack case, supporting the battery module and preventing the battery pack case from leaking.

Alternatively, the bottom plate 400 and the bezel 100 are fixedly connected by welding. The base plate 400 may be made of a steel plate.

Further, the battery pack case further includes a cover plate (not shown), which covers the top of the frame 100.

Optionally, in order to facilitate the installation of the battery pack case on the vehicle chassis, the battery pack case further includes a mounting lug (not shown in the figure), and the mounting lug is welded and fixed on the outer side wall of the frame 100. The installation lug is used for hoisting the battery pack box body, and meanwhile, the battery pack box body can be fixed on the automobile chassis through the installation lug.

This embodiment still provides a battery package, including battery module and foretell battery package box, the battery module sets up in the battery package box. This battery package is through using above-mentioned battery package box, and bulk strength is high, and it is little to reveal the risk.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A battery pack case, comprising:

the frame (100) is formed by welding the rolled and bent end parts of the profiles;

the battery module comprises cross beams (200), wherein the cross beams (200) are fixed in the frame (100) at intervals in parallel, and the cross beams (200) are used for installing and fixing the battery module.

2. The battery pack box body as claimed in claim 1, wherein the cross beam (200) is provided with a plurality of fixing holes (201), and the battery module is detachably and fixedly connected to the fixing holes (201) through fasteners.

3. The battery pack case according to claim 1, wherein the cross member (200) is fixedly connected to the rim (100) by welding.

4. The battery pack case according to claim 1, further comprising a center longitudinal beam (300), wherein both ends of the center longitudinal beam (300) are fixed to the side frame (100) and are arranged perpendicular to the cross beam (200), and the upper surface of the center longitudinal beam (300) is flush with the upper surface of the cross beam (200).

5. The battery pack case according to claim 4, wherein the center longitudinal beam (300) is fixedly connected to the side frame (100) by welding.

6. The battery pack case according to claim 1, further comprising a bottom plate (400), wherein the bottom plate (400) is covered on the bottom of the rim (100).

7. The battery pack case according to claim 6, wherein the bottom plate (400) is fixedly connected to the rim (100) by welding.

8. The battery pack case according to any one of claims 1 to 7, further comprising a mounting lug welded and fixed to an outer sidewall of the rim (100).

9. The battery pack case according to claim 8, further comprising a cover plate covering the top of the rim (100).

10. A battery pack comprising a battery module and the battery pack case according to any one of claims 1 to 9, wherein the battery module is disposed in the battery pack case.