CN220233378U

CN220233378U - Battery device

Info

Publication number: CN220233378U
Application number: CN202321819912.2U
Authority: CN
Inventors: 尹旭铖; 刘权
Original assignee: China Innovation Aviation Technology Group Co ltd
Current assignee: China Innovation Aviation Technology Group Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2023-12-22
Anticipated expiration: 2033-07-11

Abstract

The utility model relates to the technical field of batteries, and discloses a battery device, which comprises: a battery pack; mounting a beam; the box cover is arranged above the battery pack relatively; the assembly part is provided with a fixing part and a supporting part, wherein the fixing part is connected with at least two adjacent battery packs, or the fixing part is connected with at least one battery pack and the mounting beam; the supporting part supports the case cover; the supporting part is higher than the fixing part along the direction of the battery pack towards the case cover. According to the battery device provided by the utility model, the battery pack can be fixed by arranging the fixing part, so that the relative stability of the battery module is ensured; meanwhile, the supporting part is arranged, so that the assembly part and the box cover can be fixedly connected, the stability of the box cover is ensured, and the box cover is prevented from shaking relatively to the battery pack. Through making the supporting part be higher than the fixed part setting, can avoid the case lid to clap the group battery when rocking, play the supporting role to the case lid.

Description

Battery device

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery device.

Background

A plurality of battery modules are usually arranged in the battery pack, and adjacent battery modules are often arranged independently, so that the rigidity of the whole structure of the battery pack is low. In addition, in order to avoid the case lid to clapping of battery module, generally punch on the box crossbeam among the prior art, fix the case lid on the crossbeam, but in order to be convenient for assemble battery module, the crossbeam height often is less than battery module this and just leads to the case lid to fix stability lower on the crossbeam, and installs more troublesome.

How to realize the whole fixed of battery module while supporting the case lid again becomes the problem that needs to solve.

Disclosure of Invention

In view of the above, the present utility model provides a battery device to solve the problem of supporting a case cover while the battery module is integrally fixed.

The present utility model provides a battery device including:

a battery pack;

the box cover is arranged above the battery pack relatively;

the mounting beam is arranged on the periphery side of the battery pack;

the assembly part is provided with a fixing part and a supporting part, wherein the fixing part is connected with at least two adjacent battery packs, or the fixing part is connected with at least one battery pack and the mounting beam; the supporting part supports the case cover;

the supporting part is higher than the fixing part along the direction of the battery pack towards the case cover.

The beneficial effects are that: according to the battery device provided by the utility model, the fixing part of the assembly part is connected with at least two adjacent battery packs, or is connected with at least one battery pack and the mounting beam, and the supporting part for supporting the case cover, and the fixing part is arranged to fix the at least two adjacent battery packs, or fix the battery packs and the mounting beam, so that the relative stability of the battery module is ensured; meanwhile, the supporting part is arranged, so that the assembly part and the box cover can be fixedly connected, the stability of the box cover is ensured, and the box cover is prevented from shaking relatively to the battery pack. Further, through making the supporting part be higher than the fixed part setting, can rely on the support of assembly part, keep the interval setting between messenger's case lid and the group battery, the time spent of avoiding the case lid to rock to the beating of group battery plays the supporting role to the case lid.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a battery device of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic view of the mounting of the fitting of the present utility model to an inner beam;

FIG. 4 is a schematic view of an assembly of the present utility model;

fig. 5 is an enlarged view at B in fig. 1.

Reference numerals illustrate:

1. a case; 11. an inner beam; 12. mounting a beam; 2. a battery pack; 21. an end plate;

3. a fitting; 31. a fixing part; 32. a support part; 33. an extension; 34. reinforcing ribs; 35. a first fixing hole; 36. a case cover fixing hole; 37. a yielding part;

4. a first fixing member; 5. a second fixing member; 6. a case cover fixing member; 7. a case cover.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 apparatus 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 communication between 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.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Embodiments of the present utility model are described below with reference to fig. 1 to 5.

According to an embodiment of the present utility model, there is provided a battery device including:

a battery pack 2;

a case cover 7 provided to cover the battery pack 2 at a position relatively above the battery pack;

a mounting beam 12 provided on the peripheral side of the battery pack 2;

a fitting 3, the fitting 3 having a fixing portion 31 and a supporting portion 32, the fixing portion 31 connecting at least two adjacent battery packs 2, or the fixing portion 31 connecting at least one of the battery packs 2 and the mounting beam 12; the supporting portion 32 supports the case cover 7;

the support portion 32 is provided higher than the fixing portion 31 in the direction of the battery pack 2 toward the case cover 7.

The battery device comprises a box body 1, wherein the box body 1 is suitable for accommodating a battery pack 2, the box body 1 is provided with a mounting beam 12, and the mounting beam 12 can abut against an end plate 21 of the battery pack 2 to fix the battery pack 2.

Optionally, an internal beam 11 is further disposed in the case 1, and the internal beam 11 is disposed inside the case 1, and plays a role in reinforcing the structure of the case 1, and can butt against the end plate 21 of the battery pack 2 to fix the battery pack 2.

As shown in fig. 1, the battery device is suitable for being installed in an electric vehicle, the extending direction of the inner beam 11 is parallel to the vehicle width direction, the inner beam 11 divides the case 1 into two accommodating chambers along the vehicle length direction, and multiple groups of battery packs 2, for example, three groups may be provided in each accommodating chamber along the vehicle width direction, and in this embodiment, a total of six battery packs 2 are accommodated in the case 1 for example, so as to perform a technical scheme of development description.

Alternatively, the mounting beam 12 may be a side beam of the box 1, or may be an internal beam 11 disposed in the box 1.

The case cover 7 is arranged above the battery pack 2, and the case cover 7 is matched with the case body 1, so that the battery pack 2 is covered in the accommodating cavity. The relative upper part of the battery pack 2 may be the relative upper part in the gravitational direction in the present embodiment.

As shown in fig. 2, the assembly 3 has a fixing portion 31 for connecting at least two adjacent battery packs 2, and a supporting portion 32 for supporting the case cover 7, and the fixing portion 31 is provided to fix the at least two adjacent battery packs 2, so as to ensure the relative stability of the battery modules; meanwhile, the supporting part 32 is arranged, so that the assembly part 3 and the box cover 7 can be fixedly connected, the stability of the box cover 7 is ensured, and the box cover is prevented from shaking greatly relative to the battery pack 2. Further, by setting the support portion 32 higher than the fixing portion 31, the case cover 7 and the battery pack 2 can be kept at a distance by the support of the assembly 3, so that the case cover 7 is prevented from being flapped to the battery pack 2 when the case cover 7 is swayed, and the case cover 7 is supported.

As another implementation manner, as shown in fig. 5, the fixing portion 31 connects at least one of the battery packs 2 and the mounting beam 12, and by this connection manner, the battery packs 2 can be fixed as well, so as to ensure the relative stability of the battery modules.

In addition, in the battery device provided by the embodiment of the utility model, the fixing of the box cover 7 is realized through the assembly part 3, the situation that holes are punched on the inner beam 11 is avoided, the assembly part 3 is directly attached to the box cover 7, the supporting effect is more direct, the stability of fixing the box cover 7 is improved, the assembly is easier, and the production efficiency is improved.

The battery device provided by the embodiment of the utility model is characterized in that the assembly 3 is arranged, the assembly 3 is provided with a fixing part 31 and a supporting part 32, the fixing part 31 is connected with at least two adjacent battery packs 2, or the fixing part 31 is connected with at least one battery pack 2 and the mounting beam 12; the supporting portion 32 supports the case cover 7; therefore, at least two adjacent battery packs 2 can be fixed, or the battery packs 2 and the mounting beams 12 are fixed, so that the relative stability of the battery packs is ensured, the effect of supporting the case cover 7 is realized while the fixing of the battery packs is realized, and the stability of the case cover 7 is ensured.

In some embodiments, as shown in connection with fig. 4, the fitting 3 further comprises an extension 33, wherein one end of the extension 33 is connected to the fixing portion 31, and the other end is connected to the supporting portion 32; the plane of the extension portion 33 is disposed at an angle to the plane of the fixing portion 31 and/or the plane of the supporting portion 32.

The extension portion 33 is connected between the fixing portion 31 and the supporting portion 32, and a plane on which the extension portion 33 is located is disposed at an angle to a plane on which the fixing portion 31 is located and/or a plane on which the supporting portion 32 is located, so that a height difference exists between the fixing portion 31 and the supporting portion 32 in a height direction.

Optionally, the plane of the extension portion 33 is perpendicular to the plane of the fixing portion 31, and the extension portion 33 and the fixing portion 31 are smoothly transitioned.

Optionally, the plane of the extension portion 33 is perpendicular to the plane of the support portion 32, and the extension portion 33 and the support portion 32 are smoothly transitioned.

The extension of the extension 33 may be set as desired to accommodate the height differences between different battery packs and the case cover.

In some embodiments, as shown in connection with fig. 2, the battery pack 2 is provided with end plates 21 at both ends in the battery stacking direction, and the fixing portion 31 of the fitting 3 connects at least two adjacent end plates 21 of the battery pack 2, or the fixing portion 31 connects at least one end plate 21 of the battery pack 2 with the mounting beam 12.

The end plate 21 can play a role in restraining the battery pack 2, and the end plate 21 abuts against the inner beam 11, and the fixing portion 31 is connected to the end plate 21, whereby the battery pack 2 can be fixed by fixing the end plate 21.

By connecting the fixing portion 31 with the end plates 21 of at least two adjacent battery packs 2, the adjacent two battery packs 2 can be connected as one body to ensure the relative stability of the battery packs.

As another implementation, as shown in fig. 5, the fixing portion 31 connects the end plate 21 of at least one of the battery packs 2 with the mounting beam 12, and can also fix the battery pack 2, so as to ensure the relative stability of the battery pack.

In one implementation, as shown in fig. 1, the two end plates 21 of the battery pack 2 adjacent to each other may be two end plates 21 disposed opposite to each other in the vehicle length direction, where an inner beam 11 is spaced between the two end plates 21, the fixing portions 31 are respectively located on two sides of the inner beam 11, and the supporting portions 32 are bridged over opposite upper sides of the inner beam 11.

In another implementation, two end plates 21 adjacent to the battery pack 2 may be two end plates 21 disposed side by side in the vehicle width direction.

As a further variant, the fitting 3 can also be connected simultaneously with the end plates 21 of three adjacent battery packs 2.

In some embodiments, as shown in fig. 1 and 2, the top corners of the four battery packs 2 are close to each other, and the fixing parts 31 are formed on the fitting 3 to fix the four battery packs 2 at the same time.

At this time, two battery packs 2 are provided on both sides of the inner beam 11 in the vehicle length direction, respectively, and the two battery packs 2 on the same side are disposed close to each other in the vehicle width direction, so that the top angles of the four battery packs 2 are close to each other.

The fitting 3 is fixed simultaneously to the top corners of the four end plates 21.

In some embodiments, as shown in connection with fig. 4, the fitting 3 has a "figure" shape, the middle area is the support portion 32, the support portion 32 extends through the extension portion 33, and the fixing portion 31 is formed at both sides.

By making the fitting 3 in a "table" shape, it is possible to facilitate the processing and molding, and the middle region of the fitting 3 is protruded to form the supporting portion 32 so as to support the cover 7 and prevent the cover from sagging. And the fixing parts 31 are formed on the two sides of the assembly 3, so that the fixing parts 31 are convenient to be attached to the end plate 21, and the fixing function of the battery pack is achieved. And the height difference between the supporting part 32 and the fixing part 31 can better ensure the gap between the case cover 7 and the battery pack, and avoid contact between the case cover 7 and the battery pack.

In some embodiments, as shown in fig. 4, the supporting portion 32 has a cover fixing hole 36 formed therethrough, and the cover fixing hole 36 is adapted to be penetrated by a cover fixing member 6 to connect the cover 7 with the supporting portion 32.

The cover fixing hole 36 is formed in the support portion 32, and a through hole is formed in a position corresponding to the cover 7, so that the cover 7 and the support portion 32 can be connected by the cover fixing member 6 when the support portion 32 is abutted to the cover 7 and the through hole is aligned with the cover fixing hole 36. Because the supporting portion 32 is abutted against the case cover 7, the alignment state of the via hole and the case cover fixing hole 36 can be found more easily, repeated insertion and trial and error are not required, and the assembly difficulty is reduced.

Alternatively, the cover fixing hole 36 may be a non-circular hole, for example, a square hole, a hexagonal hole, a diamond hole, or a triangular hole. Through making case lid mounting 6 and the shape looks adaptation of case lid fixed orifices 36 to after case lid mounting 6 penetrates case lid fixed orifices 36, can prevent the rotation of case lid mounting 6, conveniently fix.

Alternatively, the cover fixing member 6 may be a bolt or a pin or a rivet.

In some embodiments, as shown in fig. 4, the support portion 32 is formed with a reinforcing rib 34 at a corner where the extension portion 33 is connected, and/or the extension portion 33 is formed with a reinforcing rib 34 at a corner where the extension portion 31 is connected.

By providing the reinforcing ribs 34, the structural strength of the fitting 3 can be improved, and bending deformation of the fitting 3 when the cover 7 is pressed down can be avoided.

In some embodiments, as shown in fig. 4, the fixing portion 31 has a first fixing hole 35 formed therethrough, and the first fixing member 4 is adapted to be inserted into the first fixing hole 35 to connect the battery pack 2 with the fixing portion 31.

Specifically, the fixing portion 31 may be fixed to the end plate 21 of the battery pack 2, the end plate 21 may be provided with a first through hole corresponding to the first fixing hole 35, and the end plate 21 may be connected to the fixing portion 31 by inserting the first fixing member 4.

In some embodiments, as shown in fig. 4, a yielding portion 37 is formed between the two fixing portions 31 located on the same side, a fixing hole adapted to be fixed with the bottom of the case 1 is formed on the end plate 21, and the yielding portion 37 is adapted to yield for the second fixing member 5 penetrating through the fixing hole.

Because the end plate 21 needs to be fixed with the bottom of the box body 1, the yielding part 37 is formed on the assembly part 3, so that the yielding part 37 can yield the second fixing piece 5, interference is avoided, and the end plate 21 and the bottom of the box body 1 are ensured to be normally fixed.

Alternatively, the first fixing member 4 may also penetrate through the end plate 21 and fix the fixing portion 31, the end plate 21, and the bottom of the case 1.

Alternatively, the first fixing member 4 may be a bolt or a pin or a rivet.

Alternatively, the second fixing member 5 may be a bolt or a pin or a rivet.

In some embodiments, as shown in fig. 4, the plane of the supporting portion 32 is parallel to the plane of the fixing portion 31.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Although the embodiments of the present utility model have been described with reference to the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the claims.

Claims

1. A battery device, characterized by comprising:

a battery pack (2);

the case cover (7) is covered on the upper side of the battery pack (2);

a mounting beam (12) provided on the peripheral side of the battery pack (2);

-a fitting (3), the fitting (3) having a fixing portion (31) and a supporting portion (32), the fixing portion (31) connecting at least two adjacent battery packs (2), or the fixing portion (31) connecting at least one of the battery packs (2) with the mounting beam (12); the supporting part (32) supports the case cover (7);

the supporting part (32) is arranged higher than the fixing part (31) along the direction of the battery pack (2) towards the box cover (7).

2. The battery device according to claim 1, wherein the fitting (3) further includes an extension (33), one end of the extension (33) being connected to the fixing portion (31) and the other end being connected to the supporting portion (32); the plane of the extension part (33) is arranged at an angle with the plane of the fixing part (31) and/or the plane of the supporting part (32).

3. Battery device according to claim 1, characterized in that the battery pack (2) is provided with end plates (21) at both ends in the battery stacking direction, the fixing portion (31) of the fitting (3) connects the end plates (21) of at least two adjacent battery packs (2), or the fixing portion (31) connects the end plate (21) of at least one battery pack (2) with the mounting beam (12).

4. A battery device according to claim 3, wherein the top corners of the four battery packs (2) are close to each other, and four fixing portions (31) are formed on the fitting (3) to fix the four battery packs (2) at the same time.

5. The battery device according to claim 2, wherein the fitting (3) has a "figure" shape, the middle area being the support portion (32), the support portion (32) extending via the extension portion (33) and forming the fixing portion (31) on both sides.

6. The battery device according to any one of claims 1 to 5, wherein the support portion (32) is formed with a cover fixing hole (36) therethrough, and the cover fixing hole (36) is internally adapted to be penetrated by a cover fixing member (6) to connect the cover (7) with the support portion (32).

7. The battery device according to claim 2 or 5, wherein a reinforcing rib (34) is formed at a corner where the support portion (32) is connected to the extension portion (33), and/or a reinforcing rib (34) is formed at a corner where the extension portion (33) is connected to the fixing portion (31).

8. The battery device according to any one of claims 1 to 5, wherein the fixing portion (31) is formed with a first fixing hole (35) therethrough, and the first fixing hole (35) is adapted to be penetrated by a first fixing member (4) to connect the battery pack (2) with the fixing portion (31).

9. Battery device according to claim 4, characterized in that a yielding portion (37) is formed between the two fixing portions (31) located on the same side, a fixing hole adapted to be fixed with the bottom of the case (1) is formed in the end plate (21), and the yielding portion (37) is adapted to yield for the second fixing member (5) penetrating through the fixing hole.

10. The battery device according to any one of claims 1 to 5, wherein the plane of the support portion (32) is parallel to the plane of the fixing portion (31).