CN211719650U

CN211719650U - Battery pack box

Info

Publication number: CN211719650U
Application number: CN202020324472.3U
Authority: CN
Inventors: 高杨杰; 蒋建云; 陈永康
Original assignee: RiseSun MGL New Energy Technology Co Ltd
Current assignee: RiseSun MGL New Energy Technology Co Ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-10-20
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a battery package box relates to outer envelope technical field of power battery package, include: the lower box body is internally provided with a cavity, the shape of the cavity is matched with that of the battery pack, and the outer wall of the lower box body is provided with a vent; the box body fixing beam is of a U-shaped structure, is arranged on the outer side of the lower box body and is matched with the appearance of the lower box body, and a lifting lug is arranged at the upper end of the box body fixing beam; the upper cover is arranged on the upper side of the lower box body and can seal the upper end of the cavity; this battery package box has the vent, is favorable to the heat dissipation of battery package to having the box fixed beam, making things convenient for the battery package box to fix on the whole car while can also playing the reinforcing effect.

Description

Battery pack box

Technical Field

The utility model belongs to the technical field of the outer envelope of power battery package, more specifically relates to a battery package box.

Background

Due to the influence of greenhouse effect and continuous deterioration of environment, the concept of environmental protection is regarded by people, the industries of wind energy and water energy begin to develop rapidly, the new energy industry rises, and electric automobiles are produced in the automobile industry. Through years of development, the automobile industry becomes the prop industry of national economy in China, but the oil-fired automobile has relatively large oil demand and serious environmental pollution. At the moment, new energy is needed to replace the traditional energy, and the problem is just solved by using electric energy, so that the development of electric automobiles is more and more rapid, various large whole automobile factories start to research new energy automobiles, and various automobile part factories and factories start to be activated; meanwhile, various subsidy policies are started in China, and the development of new energy industry is accelerated.

The development of new energy vehicles and the design of hybrid power or pure electric vehicles are always safe, so that the design of one electric vehicle not only requires perfection on the aspects of frame structures and the like, but also needs continuous verification experiments on the design of internal automobile parts and the like. The power source of the electric automobile is the battery, and compared with other parts, the safety of the battery is the most important, and the battery pack is required to be tested every time the battery pack is designed, so that the requirements on the structure and the like are very strict. The existing battery pack box body can only contain a battery pack, the battery pack is protected, the function is single, the occupied space is large, the structure of most battery pack box bodies is heavy for meeting the strength requirement, the cost is increased, the weight of the whole vehicle is increased, and the endurance of the electric vehicle is indirectly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery package box to exist not enough among the prior art, having the vent, being favorable to the heat dissipation of battery package to having the box fixed beam, making things convenient for the battery package box can also play the additional strengthening when fixed on whole car.

In order to achieve the above object, the utility model provides a battery package box, include:

the battery pack box comprises a lower box body, a battery pack and a battery pack, wherein a cavity is arranged in the lower box body, the shape of the cavity is matched with that of the battery pack, and a vent is arranged on the outer wall of the lower box body;

the box body fixing beam is of a U-shaped structure, is arranged on the outer side of the lower box body and is matched with the appearance of the lower box body, and a lifting lug is arranged at the upper end of the box body fixing beam;

the upper cover is arranged on the upper side of the lower box body and can seal the upper end of the cavity.

Optionally, the upper cover is detachably connected with the upper end of the lower box body.

Optionally, a sealing ring is arranged between the upper cover and the upper end of the lower box body.

Optionally, a plurality of first reinforcing ribs are arranged on the lower side of the lower box body.

Optionally, the lower box body and the first reinforcing rib are integrally formed in a stamping mode.

Optionally, a boss is arranged in the middle of the lower box body.

Optionally, the box fixing beam and the lower box are welded.

Optionally, a second reinforcing rib is arranged at the bent part of the box fixing beam.

Optionally, a plurality of third reinforcing ribs are arranged on the upper cover.

Optionally, the upper cover and the third reinforcing rib are integrally formed in a punch forming mode.

The utility model provides a battery package box, its beneficial effect lies in: the battery pack box body is provided with a ventilation opening, so that the battery pack can be cooled in an air duct mode, and the heat dissipation of the battery pack is facilitated; the lower box body of the battery pack box body is fixed on a vehicle through the box body fixing beam, and the box body fixing beam is arranged to facilitate the fixation and the disassembly of the battery pack box body on the whole vehicle and also play a role in reinforcement; the lower box body and the upper cover of the battery pack box body are both formed by integral punch forming and provided with the reinforcing ribs, so that the integral strength of the battery pack box body is guaranteed, materials are saved, the integral weight of the battery pack box body is reduced, the cost is saved, and the endurance of the electric automobile is indirectly improved.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.

Fig. 1 shows a schematic three-dimensional structure diagram of a battery pack case according to an embodiment of the present invention.

Fig. 2 shows a schematic structural diagram of a lower box of a battery pack box according to an embodiment of the present invention.

Fig. 3 shows a schematic structural diagram of a box fixing beam of a battery pack box according to an embodiment of the present invention.

Fig. 4 shows a schematic structural diagram of an upper cover of a battery pack case according to an embodiment of the present invention.

Description of reference numerals:

1. a lower box body; 2. a cavity; 3. a vent; 4. a box body fixing beam; 5. lifting lugs; 6. an upper cover; 7. a seal ring; 8. a first reinforcing rib; 9. a boss; 10. a second reinforcing rib; 11. and a third reinforcing rib.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The utility model provides a battery package box, include:

the lower box body is internally provided with a cavity, the shape of the cavity is matched with that of the battery pack, and the outer wall of the lower box body is provided with a vent;

Specifically, the battery pack is arranged in the cavity of the lower box body, the vent on the outer wall of the lower box body is arranged to form an air duct, and the heat of the battery pack is taken away through the convection of air, so that the heat dissipation of the battery pack is facilitated; the lower box body is fixed on the vehicle through the box body fixing beam, the box body fixing beam is arranged to be of a U-shaped structure, the groove part of the box body fixing beam is matched with the shape of the lower end of the lower box body, and meanwhile, the box body fixing beam and the lifting lugs are arranged to be of an integrated structure, so that the structure is simplified, and the integral structural strength of the box body is improved; the lifting lugs are provided with through holes, so that the battery pack box body can be conveniently carried and installed and fixed on a vehicle; the upper cover can cover the upper end of the lower box body, so that a cavity in the lower box body forms a closed space to protect the battery pack.

Specifically, the upper cover can be connected to the upper side of the lower box body through bolts, and is convenient to detach.

Specifically, the shape of the sealing ring is matched with the shape of the contact surface between the upper cover and the lower box body, so that the situation that the air tightness is not too close due to poor matching of the contact surface between the upper cover and the lower box body can be prevented.

Optionally, the lower case is provided with a plurality of first reinforcing ribs on the lower side.

Specifically, first strengthening rib is provided with many on the horizontal vertical direction of casing lower extreme down, and the shape of first strengthening rib can be confirmed through simulation analysis according to the size of box down, guarantees the structural strength of box down.

Optionally, the lower box body and the first reinforcing rib are integrally formed in a punch forming mode.

Specifically, the cavity depth degree is great in lower box, needs better tensile strength, can use DC 06's material to carry out holistic stamping forming, guarantees the tensile effect of box down, and simultaneously, the structural strength of box under the improvement is formed with the whole stamping forming of lower box to simple process saves the cost.

Optionally, a boss is arranged in the middle of the lower box body.

Specifically, the setting of boss cooperatees with the vehicle to the headspace of battery package, saves the vehicle space that this box occupy as far as through the setting of boss, and the shape of boss cooperatees with the U-shaped structure of box fixed beam simultaneously, improves the bulk strength of this battery package box.

Optionally, the box fixing beam and the lower box are welded.

Specifically, the box fixed beam and the lower box body are welded to form an integral structure, so that the lifting lug and the lower box body are also integrated, and the strength of the whole battery pack box body is increased.

Specifically, the setting of second strengthening rib has all played fine deformation-preventing effect to the bearing of whole box fixed beam and fixed.

Specifically, the third reinforcing ribs are arranged on the upper cover in the transverse and longitudinal directions, the third reinforcing ribs can be determined through simulation analysis according to the size of the upper cover, and the structural strength of the upper cover is guaranteed.

Optionally, the upper cover and the third reinforcing rib are integrally press-molded.

Specifically, the upper cover can be formed by stamping a Q235 material, so that the fire resistance of the battery pack in fire burning is ensured; the third reinforcing rib and the upper cover are integrally formed in a punch forming mode, the strength of the upper cover is improved, the process is simple, and the cost is saved.

Examples

As shown in fig. 1 to 4, the utility model provides a battery pack box, include:

the inner part of the lower box body 1 is provided with a cavity 2, the shape of the cavity 2 is matched with that of a battery pack, and the outer wall of the lower box body 1 is provided with a vent 3;

the box body fixing beam 4 is of a U-shaped structure, is arranged on the outer side of the lower box body 1 and is matched with the appearance of the lower box body 1, and a lifting lug 5 is arranged at the upper end of the box body fixing beam 4;

and the upper cover 6 is arranged on the upper side of the lower box body 1 and can seal the upper end of the cavity 2.

In this embodiment, the upper cover 6 is detachably connected to the upper end of the lower case 1.

In this embodiment, a gasket 7 is provided between the upper lid 6 and the upper end of the lower case 1.

In the present embodiment, the lower case 1 is provided at the lower side thereof with a plurality of first beads 8.

In the present embodiment, the lower case 1 and the first reinforcing bead 8 are integrally press-molded.

In this embodiment, the lower case 1 is provided with a boss 9 at the middle.

In this embodiment, the box fixing beam 4 and the lower box 1 are welded.

In this embodiment, the second reinforcing rib 10 is provided at the bent portion of the box fixing beam 4.

In the present embodiment, the upper cover 6 is provided with a plurality of third reinforcing ribs 11.

In the present embodiment, the upper cover 6 and the third reinforcing bead 11 are integrally press-molded.

To sum up, the utility model provides a when the battery package box uses, fix the spare part of battery package and battery package in cavity 2 in box 1 down, install wind channel seal assembly in vent 3 for the ventilation in box 1 can guarantee down by vent 3 can guarantee again that the leakproofness of battery package protects inside spare part. Then, the sealing ring 7 is placed on the contact surface of the upper end of the lower box body 1 and the upper cover 6, the upper cover 6 is pressed on the sealing ring 7, and the upper cover 6 is fixed on the upper end of the lower box body 1 through bolts. The battery pack box body provided with the battery pack can be conveniently lifted to the installation position through the lifting lugs 5, then the lifting hook is taken down, and the battery pack box body is fixed on a vehicle by utilizing the bolts and the holes on the lifting lugs 5. This battery package box simple to operate improves the bulk strength through setting up of first strengthening rib 8, second strengthening rib 10 and third strengthening rib 11, alleviates the whole weight of battery package box to have vent 3, be favorable to the heat dissipation of battery package.

While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A battery pack case, comprising:

2. The battery pack case of claim 1, wherein the upper cover is detachably connected to the upper end of the lower case.

3. The battery pack case of claim 2, wherein a sealing ring is disposed between the upper cover and the upper end of the lower case.

4. The battery pack case of claim 1, wherein the lower case is provided at the lower side thereof with a plurality of first reinforcing ribs.

5. The battery pack case of claim 4, wherein the lower case and the first reinforcing rib are integrally press-formed.

6. The battery pack case of claim 1, wherein a boss is provided at the middle of the lower case.

7. The battery pack case of claim 1, wherein the case fixing beam is welded to the lower case.

8. The battery pack case of claim 1, wherein the case fixing beam is provided at a bent portion thereof with a second reinforcing rib.

9. The battery pack case of claim 1, wherein the upper cover is provided with a plurality of third reinforcing ribs.

10. The battery pack case of claim 9, wherein the upper cover and the third reinforcing rib are integrally press-formed.