CN221009117U

CN221009117U - Battery box

Info

Publication number: CN221009117U
Application number: CN202322651757.4U
Authority: CN
Inventors: 曲凡多; 李义德; 马晓宇
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-24
Anticipated expiration: 2033-09-27

Abstract

The utility model discloses a battery box, which comprises a box body, a box cover and an adapter, wherein the box body comprises a bottom wall and a side wall, the bottom wall and the side wall form an accommodating cavity with an upward opening, the box cover is arranged at the opening and is used for opening or closing the accommodating cavity, the adapter comprises a first connecting plate and a second connecting plate, the first connecting plate is connected to the side wall, the second connecting plate is connected to the upper end of the first connecting plate, and the second connecting plate is connected with the box cover. According to the battery box disclosed by the embodiment of the utility model, the adapter is arranged, the first connecting plate of the adapter is fixed on the side wall, so that the volume of the battery box can be reduced well, the miniaturization design of the battery box is facilitated, and further, the battery box can be fixedly connected with the box cover well through the arrangement of the second connecting plate, and the operation is simple and convenient.

Description

Battery box

Technical Field

The utility model relates to the field of electronic batteries, in particular to a battery box.

Background

In the related art, when the box body and the box cover of the battery box are assembled, the flange structure is arranged on the outer peripheral side of the box body and fixedly connected with the box cover, and the flange structure is arranged on the outer peripheral side of the box body, so that the volume of the battery box is easily increased, and the assembly of the battery box is not facilitated.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present utility model is to propose a battery box provided with an adapter, which can facilitate a reduction in the volume of the battery box.

The battery box according to an embodiment of the present utility model includes: the box body comprises a bottom wall and a side wall, and the bottom wall and the side wall form a containing cavity with an upward opening; the box cover is arranged at the opening and is used for opening or closing the accommodating cavity; the adaptor comprises a first connecting plate and a second connecting plate, wherein the first connecting plate is connected with the side wall, the second connecting plate is connected with the upper end of the first connecting plate, and the second connecting plate is connected with the box cover.

According to the battery box disclosed by the embodiment of the utility model, the adapter is arranged, the first connecting plate of the adapter is fixed on the side wall, so that the volume of the battery box can be reduced well, the miniaturization design of the battery box is facilitated, and further, the battery box can be fixedly connected with the box cover well through the arrangement of the second connecting plate, and the operation is simple and convenient.

In some embodiments of the utility model, the first web is parallel to the side wall and the second web is parallel to the lid.

In some embodiments of the utility model, the adapter is configured as an annulus extending along the outer periphery of the opening and end-to-end.

In some embodiments of the utility model, a seal is also provided between the annular first connection plate and the side wall, the seal sealing an assembly gap between the first connection plate and the side wall.

In some embodiments of the utility model, the first connecting plate is detachably connected to the side wall, the second connecting plate is non-detachably connected to the case cover, or the first connecting plate is detachably connected to the side wall, and the second connecting plate is detachably connected to the case cover.

In some embodiments of the present utility model, the first connection plate is provided with a first fixing hole, the sidewall is provided with a second fixing hole, and the battery box further includes a fixing member for passing through the first fixing hole and the second fixing hole to mount the first connection plate on the sidewall.

In some embodiments of the utility model, the fastener is a rivet.

In some embodiments of the utility model, the second connecting plate is welded to the cover.

In some embodiments of the utility model, the cover has cooling flow channels therein.

In some embodiments of the utility model, the side walls include a first side wall and a second side wall, the second side wall having an electrical connection mounted thereto, the second side wall having a thickness greater than a thickness of the first side wall.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

Fig. 1 is a schematic structural view of a battery box according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a case body and a battery cell of the battery case according to an embodiment of the present utility model.

Fig. 3 is a schematic view of the structure of a case of the battery case according to the embodiment of the present utility model.

Fig. 4 is a schematic structural view of a battery box according to an embodiment of the present utility model.

Fig. 5 is a cross-sectional view taken along line A-A in fig. 4.

Fig. 6 is an enlarged view of region B in fig. 5.

Reference numerals:

Battery box 100, cell 10,

A box body 1, a bottom wall 11, side walls 12,

A case cover 2,

Adapter 3, first connection plate 31, second connection plate 32,

A sealing element 4 and a fixing element 5.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

A battery case 100 according to an embodiment of the present utility model is described below with reference to fig. 1 to 6.

As shown in fig. 1 to 6, a battery box 100 according to an embodiment of the present utility model includes a box body 1, a box cover 2, and an adapter 3, the box body 1 includes a bottom wall 11 and a side wall 12, the bottom wall 11 and the side wall 12 configure an accommodating cavity with an upward opening, a battery cell 10 can be placed in the accommodating cavity, and the box cover 2 is installed at the opening for opening or closing the accommodating cavity.

The adaptor 3 includes a first connection plate 31 and a second connection plate 32, the first connection plate 31 is connected to the side wall 12, the second connection plate 32 is connected to the upper end of the first connection plate 31, and the second connection plate 32 is connected to the case cover 2.

In the related art, a flange structure is provided at the outer circumferential side of the case body 1 to be fixedly coupled with the case cover 2, and the flange structure is provided at the outer circumferential side of the case body 1 to easily increase the volume of the battery case 100, thereby being disadvantageous in assembly of the battery case 100.

Referring to a specific example shown in fig. 5 and 6, the first connection plate 31 extends in the up-down direction, the second connection plate 32 extends in the left-right direction, and the first connection plate 31 is installed at the inner side of the side wall 12, and compared with the case cover 2 fixedly connected to the flange structure provided at the outer circumferential side of the case 1, the present application can preferably avoid the case 1 from increasing the volume of the battery case 100 due to the additional flange structure, that is, the present application can preferably reduce the volume of the battery case 100 by installing the first connection plate 31 at the inner side of the side wall 12. Of course, it will be understood that the first connecting plate 31 may be connected to the outer side of the side wall 12, and the second connecting plate 32 may have one end connected to the upper end of the first connecting plate 31, and the other end extending in a direction away from the accommodating cavity or extending in a direction toward the accommodating cavity, which is not limited thereto.

Further, one end of the second connecting plate 32 is connected to the upper end of the first connecting plate 31, and the other end extends in a direction away from the accommodating chamber, and as shown in fig. 6, the second connecting plate 32 is stacked on top of the case cover 2, whereby the second connecting plate 32 can be preferably fixedly connected to the case cover 2.

In one example, the second connecting plate 32 may be welded to the case cover 2 by means of laser transmission welding, and in another example, after the case cover 2 is covered on the adapter 3, a portion of the second connecting plate 32 leaks out from the outer periphery of the case cover 2, so that welding may be performed with the second connecting plate 32 at the end of the case cover 2, which is simple and convenient to operate.

Therefore, according to the battery box 100 of the embodiment of the utility model, by arranging the adapter 3 and fixing the first connecting plate 31 of the adapter 3 on the side wall 12, the volume of the battery box 100 can be reduced well, the miniaturization design of the battery box 100 is facilitated, and further, by arranging the second connecting plate 32, the battery box can be fixedly connected with the box cover 2 well, and the operation is simple and convenient.

In some embodiments of the present utility model, as shown in fig. 1 to 6, the first connecting plate 31 is connected to the lower side of the second connecting plate 32, the first connecting plate 31 is parallel to the side wall 12, the first connecting plate 31 may be better connected to the side wall 12, the second connecting plate 32 is parallel to the case cover 2, and the second connecting plate 32 may be better connected to the case cover 2.

In some embodiments of the present utility model, the adaptor 3 is configured as a ring shape extending along the outer circumference of the opening and connected end to end, as shown in fig. 1 to 6, the first connection plate 31 located inside the sidewall 12 is configured as a ring shape extending along the outer circumference of the opening and connected end to end, thereby, after the first connection plate 31 is fixedly connected with the sidewall 12, and the cover plate is fixedly connected with the second connection plate 32, the cover plate can better close the opening of the case 1, so that the battery cells 10 installed in the battery case 100 can be better protected.

Optionally, as shown in fig. 1 to 6, a sealing member 4 is further provided between the annular first connecting plate 31 and the side wall 12, and the sealing member 4 seals an assembly gap between the first connecting plate 31 and the side wall 12, whereby the sealing performance of the case 1 can be further improved. Alternatively, the sealing member 4 may be a sealing strip or a sealant, which is not limited by the present application.

In some embodiments of the present utility model, as shown in fig. 1 to 6, the first connecting plate 31 is detachably connected to the side wall 12, the second connecting plate 32 is non-detachably connected to the case cover 2, or the first connecting plate 31 is detachably connected to the side wall 12, and the second connecting plate 32 is detachably connected to the case cover 2, so that after the case body 1 and the case cover 2 are fixedly connected through the adapter 3, the case body 1 and the case cover 2 can be well detached, and thus, the battery cell 10 and the electrical components in the battery case 100 can be easily overhauled.

Alternatively, the material of the case 1 may be an aluminum alloy, a composite material, or a plastic, which is not limited herein.

Optionally, the first connecting plate 31 is provided with a first fixing hole, the side wall 12 is provided with a second fixing hole, and the battery box 100 further includes a fixing member 5, where the fixing member 5 is used to pass through the first fixing hole and the second fixing hole, so as to mount the first connecting plate 31 on the side wall 12. The fixing member 5 may be a screw, a rivet, or the like, and is not limited thereto.

Further, the second connecting plate 32 is welded to the case cover 2, so that when the battery case 100 is assembled, the adaptor 3 can be riveted with the side wall 12 of the case body 1, the operation is simple and convenient, after the adaptor 3 is fixedly connected with the case body 1, the case cover 2 is placed on the adaptor 3, at this time, the second connecting plate 32 can support the case cover 2, and then the case cover 2 is welded well, so that the operation is convenient.

In some embodiments of the present utility model, the cooling flow channel is formed in the case cover 2, so that the battery cells 10 in the battery case 100 can be cooled well.

In some embodiments of the present utility model, the side walls 12 include a first side wall and a second side wall, the second side wall is provided with an electrical connector, the thickness of the second side wall is greater than that of the first side wall, as shown in fig. 1-6, the case 1 is a cuboid with an upward opening, the case 1 has four side walls 12, two of which are side walls 12 extending along the length direction of the case 1, the other two of which are side walls 12 extending along the width direction of the case 1, the side wall 12 at one end of the case 1 in the length direction is provided with an electrical connector, the side wall 12 provided with an electrical connector is a second side wall, and the other three side walls 12 are first side walls, so that the assembly of the electrical connector can be better satisfied by making the thickness of the second side wall greater than that of the first side wall.

Other constructions and operations of the battery case 100 according to the embodiment of the present utility model are known to those skilled in the art, and will not be described in detail herein.

In the description of the present specification, reference to the terms "some embodiments," "optionally," "further," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A battery box, comprising:

the box body comprises a bottom wall and a side wall, and the bottom wall and the side wall form a containing cavity with an upward opening;

the box cover is arranged at the opening and is used for opening or closing the accommodating cavity;

The adaptor comprises a first connecting plate and a second connecting plate, wherein the first connecting plate is connected with the side wall, the second connecting plate is connected with the upper end of the first connecting plate, and the second connecting plate is connected with the box cover.

2. The battery box of claim 1, wherein the first connection plate is parallel to the side wall and the second connection plate is parallel to the cover.

3. The battery box of claim 1, wherein the adapter is configured as an annular ring extending along an outer periphery of the opening and end-to-end.

4. A battery box according to claim 3, wherein a seal is further provided between the annular first connection plate and the side wall, the seal sealing an assembly gap between the first connection plate and the side wall.

5. The battery box of claim 1, wherein the first connection plate is detachably connected to the side wall, the second connection plate is non-detachably connected to the case cover, or the first connection plate is detachably connected to the side wall, and the second connection plate is detachably connected to the case cover.

6. The battery box of claim 5, wherein the first connection plate is provided with a first fixing hole, the side wall is provided with a second fixing hole, and the battery box further comprises a fixing member for penetrating the first fixing hole and the second fixing hole to mount the first connection plate on the side wall.

7. The battery box of claim 6, wherein the fastener is a rivet.

8. The battery box of claim 5, wherein the second connecting plate is welded to the box cover.

9. The battery box of claim 1, wherein the box cover has cooling flow channels therein.

10. The battery box of claim 1, wherein the side walls include a first side wall and a second side wall, the second side wall having electrical connections mounted thereto, the second side wall having a thickness greater than a thickness of the first side wall.