CN218677415U

CN218677415U - Battery box and battery

Info

Publication number: CN218677415U
Application number: CN202222773005.0U
Authority: CN
Inventors: 蒋志刚; 朱三福; 柯志明
Original assignee: Topak Power Technology Co ltd
Current assignee: Topak Power Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-21
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a battery box and battery, the battery box includes: outer box, inner box, guide structure and fixing device. An installation cavity is arranged inside the outer box body, the front side wall of the outer box body is provided with an opening, and an installation area is arranged in the installation cavity; the inner box body is movably arranged in the mounting cavity in the front-back direction, the inner box body is provided with a mounting position located in the mounting area, the inner box body is provided with a containing cavity for containing a battery module, and the upper side wall of the inner box body is provided with an opening; the guide structure is used for guiding the inner box body to the installation area when the inner box body moves backwards; the fixing device is used for fixing the inner box body when the inner box body is positioned in the installation area. When the battery module breaks down, only need make fixing device remove to the fixed of interior box, then will interior box just pulls out and just can maintain, very convenient.

Description

Battery box and battery

Technical Field

The utility model relates to a battery installation technical field, concretely relates to battery box and battery.

Background

With the development of science and technology, new energy is generally applied. In the field of new energy technology, batteries are very important. When the battery is used, a plurality of battery modules are generally placed in the battery box body for use, and when the battery modules have problems, the battery box body needs to be disassembled, so that the maintenance is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a battery box, aim at solving the very inconvenient problem of traditional battery maintenance.

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

the outer box body is fixedly arranged, an installation cavity is arranged inside the outer box body, the front side wall of the outer box body is arranged in an opening mode so that the installation cavity is exposed to the outside, and an installation area is arranged in the installation cavity;

the inner box body is movably arranged in the mounting cavity in the front-back direction, so that in the moving process, the inner box body is provided with a mounting position in the mounting area, the inner box body is provided with an accommodating cavity for accommodating the battery module, and the upper side wall of the inner box body is provided with an opening for exposing the accommodating cavity to the outside;

the guide structure is arranged in the mounting cavity and used for guiding the inner box body to the mounting area when the inner box body moves backwards; and (c) a second step of,

and the fixing device is arranged in the installation cavity and is used for fixing the inner box body when the inner box body is positioned in the installation area.

Optionally, the fixing device includes a first fixing component and a second fixing component, the first fixing component is disposed on the rear side wall of the outer box body, and the first fixing component is used for limiting the inner box body in the front-back direction;

the second fixing component is arranged on the left side wall and the right side wall of the outer box body and used for limiting the inner box body in the left-right direction.

Optionally, the first fixing assembly comprises a sucker arranged in the installation cavity, the sucker is located on the rear side wall of the outer box body, and the sucker is provided with an adsorption side arranged forwards so as to be adsorbed on the inner box body in the installation area.

Optionally, the first fixing assembly further comprises a cushion block arranged in the mounting cavity, the cushion block is arranged to protrude forwards from the rear side wall of the outer box body, and the cushion block is made of an elastic material.

Optionally, the second fixation assembly comprises:

the telescopic rods extend in the left-right direction and are arranged in the mounting cavity, and the telescopic rods are respectively arranged on the left side wall and the right side wall of the outer box body;

the two pressing plates are oppositely arranged on the left side and the right side of the installation cavity, and are respectively connected with the telescopic rods positioned on the same side, so that when the telescopic rods extend outwards, the two pressing plates have opposite movable strokes to press the inner box body in the installation area; and the number of the first and second groups,

and the driving device is in driving connection with the plurality of telescopic rods.

Optionally, the second fixing assembly further comprises two buffer backing plates, the two buffer backing plates and the two pressing plates are respectively arranged correspondingly, and the two buffer backing plates are arranged on one sides, close to the inner box body, of the corresponding pressing plates.

Optionally, the guide structure comprises:

the guide sliding chute is arranged on the lower side wall of the outer box body, the guide sliding chute is arranged in the mounting cavity along the front-back direction, and the rear end of the guide sliding chute is arranged in the mounting area; and the number of the first and second groups,

and the matching block is fixedly arranged in the inner box body and is arranged in the guide sliding chute in a sliding manner, so that when the matching block slides to the rear end of the guide sliding chute, the inner box body is positioned in the mounting area.

Optionally, the left and right side walls of the inner box body are respectively provided with vent grooves from outside to inside, and the vent grooves extend in the front-back direction and are arranged outside the accommodating cavity;

the left side wall and the right side wall of the outer box body are provided with matching grooves corresponding to the air grooves, and the matching grooves extend in the front-back direction and are arranged in the installation cavity, so that when the inner box body is located in the installation area, the air grooves and the matching grooves jointly form air vents.

Optionally, a top abutting plate is convexly arranged on the front side wall of the inner box body towards the peripheral side of the inner box body, so that when the inner box body is located in the installation area, the top abutting plate abuts against the side wall of the opening of the installation cavity;

and a sealing gasket is arranged on the rear side of the abutting plate so as to seal the mounting cavity when abutting against the side wall of the opening part of the mounting cavity.

The utility model discloses still provide a battery, including the battery box, the battery box includes:

the inner box body is movably arranged in the mounting cavity in the front-back direction, so that in the moving process, the inner box body is provided with a mounting position in the mounting area, the inner box body is provided with a containing cavity for containing a battery module, and the upper side wall of the inner box body is open so as to expose the containing cavity to the outside;

and the fixing device is arranged in the mounting cavity and is used for fixing the inner box body when the inner box body is positioned in the mounting area.

The technical scheme of the utility model in, through inciting somebody to action the battery box divide into outer box reaches interior box, outer box fixed mounting is structural externally, and interior box passes through fixing device fixed mounting is in the outer box the installation intracavity. The inner box body is internally provided with the accommodating cavity for installing the battery module, so that when the battery module breaks down, the fixing device is only required to be released from fixing the inner box body, and then the inner box body is pulled out to be maintained. The battery box body can be almost automatically disassembled, so that the maintenance is very convenient. If the inner box and the outer box need to move relatively, a gap needs to be formed between the inner box and the outer box, which may cause the inner box to be dislocated during installation. Consequently, in this technical scheme, the battery box still is provided with guide structure, thereby will interior box is accurate install installation region guarantees the normal work of battery module.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a battery box provided by the present invention;

fig. 2 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

The reference numbers illustrate:

reference numerals	Name(s)	Reference numerals	Name (R)
				100	Battery box	1	Outer box
11	Mounting cavity	111	Fitting groove
				2	Inner box	21	Containing cavity
22	Ventilation trough	23	Top board
				3	Guide structure	31	Guide chute
4	Fixing device	41	First fixing component
				411	Suction cup	412	Cushion block
42	Second fixing component	421	Telescopic rod
				422	Pressing plate	423	Drive device
424	Buffer backing plate	200	Battery module

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front, and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In view of this, the utility model provides a battery, the battery includes the battery box, as long as the battery that includes the battery box all belongs to the utility model discloses the battery of saying. Fig. 1 to fig. 2 show an embodiment of a battery case according to the present invention.

Referring to fig. 1 to 2, the present invention provides a battery box 100, including: outer box 1, inner box 2, guide structure 3 and fixing device 4. The outer box body 1 is fixedly arranged, an installation cavity 11 is arranged inside the outer box body 1, the front side wall of the outer box body 1 is arranged in an opening mode so that the installation cavity 11 is exposed to the outside, and an installation area is arranged in the installation cavity 11; the inner box body 2 is movably mounted in the mounting cavity 11 in the front-back direction, so that in the moving process, the inner box body 2 is provided with a mounting position located in the mounting area, the inner box body 2 is provided with a containing cavity 21 for containing the battery module 200, and the upper side wall of the inner box body 2 is open, so that the containing cavity 21 is exposed to the outside; the guide structure 3 is arranged in the installation cavity 11, and the guide structure 3 is used for guiding the inner box body 2 to the installation area when the inner box body 2 moves backwards; the fixing device 4 is arranged in the installation cavity 11, and the fixing device 4 is used for fixing the inner box body 2 when the inner box body 2 is located in the installation area.

In the present invention, the front is the direction toward which the opening of the installation cavity 11 faces; the upper part is the direction towards which the opening of the accommodating cavity 21 faces; the left-right direction is the opposite direction of the two side walls of the inner box body 2 which are not in the up-down direction and not in the front-back direction.

The technical scheme of the utility model in, through inciting somebody to action battery box 100 divide into outer box 1 reaches interior box 2, outer box 1 fixed mounting is structural externally, and interior box 2 passes through fixing device 4 fixed mounting be in outer box 1 in the installation cavity 11. The accommodating cavity 21 for installing the battery module 200 is arranged in the inner box body 2, so that when the battery module 200 breaks down, the fixing device 4 is only required to release the fixing of the inner box body 2, and then the inner box body 2 is pulled out for maintenance. The battery case 100 can almost automatically disassemble the battery case 100, so that the maintenance is very convenient. If the inner casing 2 and the outer casing 1 need to move relatively, a gap needs to be provided between the inner casing 2 and the outer casing 1, which may cause the inner casing 2 to be misaligned during installation. Therefore, in the present technical solution, the battery box 100 is further provided with a guiding structure 3, so as to accurately install the inner box 2 in the installation area, thereby ensuring the normal operation of the battery module 200.

Further, referring to fig. 2, the fixing device 4 includes a first fixing component 41 and a second fixing component 42, the first fixing component 41 is disposed on the rear side wall of the outer box 1, and the first fixing component 41 is used for limiting the inner box 2 along the front-back direction; the second fixing component 42 is arranged on the left side wall and the right side wall of the outer box body 1, and the second fixing component 42 is used for limiting the inner box body 2 in the left-right direction.

In this embodiment, fixing device 4 is through setting up first fixed subassembly 41 is in the front and back to the restriction the activity of interior box 2, the rethread setting fixed subassembly 42 is controlling to spacingly interior box 2 to restrict the activity of interior box 2 in a plurality of directions, make the installation of interior box 2 is more stable, thereby satisfies the user demand under unstable environment. Many times, the working environment of the battery box 100 is unstable, such as in a new energy automobile. In this case, the installation stability of the battery case 100 is required to be high, and at this time, the inner case 2 needs to be installed by multiple fixing to prevent the battery module 200.

Specifically, the first fixing component 41 includes a suction cup 411 disposed in the installation cavity 11, the suction cup 411 is located on the rear side wall of the outer box 1, and the suction cup 411 has a suction side disposed forward, so as to be located in the installation region of the inner box 2.

In this embodiment, the first fixing component 41 includes the suction cup 411, and the suction cup 411 is connected to an air pump, which is a conventional arrangement using the suction cup 411, and is not described herein again. When the inner box body 2 is installed and the suction pump is used for sucking, the suction disc 411 can generate suction force, so that the inner box body 2 is adsorbed on the adsorption side, when the inner box body 2 needs to be disassembled, the suction pump cancels the suction, and at the moment, the inner box body 2 is separated from the suction disc 411, so that the disassembly and the installation of the inner box body 2 are completed.

Further, the first fixing component 41 further includes a pad 412 disposed in the mounting cavity 11, the pad 412 protrudes forward from the rear side wall of the outer box 1, and the pad 412 is made of an elastic material.

In this embodiment, the plurality of battery modules 200 are disposed in the accommodating cavity 21 in the inner case 2, so that the inner case 2 becomes very heavy, and when a user pushes the inner case 2 into the outer case 1, the inner case 2 may collide with the rear sidewall of the outer case 1, thereby increasing loss. Therefore, in this embodiment, the first fixing assembly 41 further includes the pad 412, and the pad 412 can absorb shock for the inner casing 2 by using its own elasticity, and can also absorb shock for the inner casing 2 when being installed.

Specifically, the second fixing member 42 includes: a plurality of telescopic rods 421, two pressing plates 422 and a driving device 423. The plurality of telescopic rods 421 extend in the left-right direction and are arranged in the mounting cavity 11, and the plurality of telescopic rods 421 are respectively arranged on the left side wall and the right side wall of the outer box 1; the two pressing plates 422 are oppositely arranged at the left side and the right side of the installation cavity 11, and the two pressing plates 422 are respectively connected with the plurality of telescopic rods 421 located at the same side, so that when the plurality of telescopic rods 421 extend outwards, the two pressing plates 422 have opposite movable strokes to press the inner box body 2 in the installation area; the driving device 423 is drivingly connected to the plurality of telescopic rods 421.

In this embodiment, the second fixing assembly 42 includes a plurality of the telescopic rods 421, and the plurality of telescopic rods 421 can extend and retract under the driving of the driving device 423. When the telescopic rod 421 extends outward, the pressing plates 422 are driven by the telescopic rod 421 to move toward the inner box 2, and the two pressing plates 422 are respectively disposed on the left and right side walls of the outer box 1, so that the inner box 2 can be pressed and fixed between the two pressing plates 422, and the inner box 2 is limited in the left and right direction.

It should be noted that the present invention is not limited to the specific embodiment of the second fixing member 42. The second fixing component 42 may be an embodiment that the inner box 2 is fixed by a fixture block and a fixture groove, or the inner box 2 is clamped and fixed by a fixture, and is not only fixed by the telescopic rod 421 and the pressing plate 422.

It should be noted that, with respect to the driving device 423, the driving device 423 may be an air cylinder, and may also be a motor and a lead screw which cooperate to drive the telescopic rod 421, and the specific structure is not limited herein.

Further, in actual use, the pressing plate 422 has a large pushing force, which may damage the inner case 2. Therefore, in an embodiment, the second fixing assembly 42 further includes two buffer pads 424, the two buffer pads 424 are respectively disposed corresponding to the two pressing plates 422, and the two buffer pads 424 are disposed on one side of the corresponding pressing plate 422 close to the inner box 2.

In this embodiment, each pressing plate 422 is provided with one buffer pad 424, so that when the pressing plate 422 presses the inner box 2, the buffer pad 424 contacts the inner box 2 first, thereby reducing the impact force on the inner box 2, and thus protecting the inner box 2.

Specifically, referring to fig. 1 and 2, the guiding structure 3 includes: a guide runner 31 and a mating block. The guide sliding chute 31 is arranged on the lower side wall of the outer box body 1, the guide sliding chute 31 is arranged in the installation cavity 11 along the front-back direction, and the rear end of the guide sliding chute 31 is arranged in the installation area; the matching block is fixedly installed on the inner box body 2, and the matching block is slidably installed in the guide sliding groove 31, so that when the matching block slides to the rear end of the guide sliding groove 31, the inner box body 2 is located in the installation area.

In this embodiment, when the inner box 2 is installed at a predetermined position, the matching block is matched with the guide slot, and at this time, the matching block only needs to slide in the guide slot while pushing the inner box 2 to move, so that the inner box 2 can move to the installation area.

It should be noted that the guide link 31 and the mating block may be mounted in interchangeable positions. In addition, the guide structure 3 may be formed by providing a guide chute 31 on another side wall of the outer box 1, and the inner box 2 may adjust the position of the engagement block correspondingly. Of course, the outer box 1 may also be provided with a larger guide chute 31, and the inner box 2 directly slides in the guide chute 31, so that the guide can be realized.

Further, in a specific application, the battery module 200 generates a large amount of heat during use, which may cause the temperature of the battery module 200 to be too high, and thus the battery module 200 may not work normally. Therefore, in an embodiment of the present invention, the left and right side walls of the inner box 2 are respectively provided with vent grooves 22 from outside to inside, and the vent grooves 22 are extended from front to back and are disposed outside the accommodating cavity 21; the left and right side walls of the outer box 1 are provided with engaging grooves 111 corresponding to the ventilation grooves 22, and the engaging grooves 111 extend in the front-rear direction in the mounting cavity 11, so that when the inner box 2 is located in the mounting area, the ventilation grooves 22 and the engaging grooves 111 together form a ventilation duct. In this embodiment, the vent grooves 22 and the matching grooves 111 are matched to form vent channels, so that a gap is formed between the inner case 2 and the outer case 1, and when air flows through the vent channels, a part of heat of the battery module 200 is taken away, thereby helping to cool the battery membrane module.

Further, in some circumstances, the battery case 100 may be subject to water seepage. Therefore, in an embodiment, the front side wall of the inner box 2 is convexly provided with an abutting plate 23 towards the peripheral side thereof, so that when the inner box 2 is located in the installation area, the abutting plate 23 abuts against the side wall of the opening of the installation cavity 11; the rear side of the abutting plate 23 is provided with a sealing gasket to seal the installation cavity 11 when abutting against the side wall of the opening of the installation cavity 11.

In this embodiment, when the inner box 2 moves towards the inside of the installation cavity 11, the abutting plate 23 gradually approaches the sidewall of the opening of the installation cavity 11, and when the inner box 2 moves to the installation area, the abutting plate 23 abuts against the sidewall of the opening of the installation cavity 11. The sealing gasket is squeezed between the abutting plate 23 and the side wall of the opening of the installation cavity 11, so that the installation cavity 11 is sealed, and the water seepage situation is reduced.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A battery case, comprising:

the guide structure is arranged in the mounting cavity and used for guiding the inner box body to the mounting area when the inner box body moves backwards; and the number of the first and second groups,

2. The battery box body as claimed in claim 1, wherein the fixing device comprises a first fixing component and a second fixing component, the first fixing component is arranged on the rear side wall of the outer box body, and the first fixing component is used for limiting the inner box body along the front and rear directions;

3. The battery box of claim 2, wherein the first fixing member includes a suction cup disposed in the mounting cavity, the suction cup is disposed on the rear sidewall of the outer case, and the suction cup has a suction side disposed forward to suck the inner case in the mounting region.

4. The battery case of claim 3, wherein the first fixing member further comprises a spacer provided in the mounting cavity, the spacer protruding forward from the rear side wall of the outer case, the spacer being made of an elastic material.

5. The battery case of claim 2, wherein the second fixing member comprises:

6. The battery box body as claimed in claim 5, wherein the second fixing component further comprises two buffer backing plates, the two buffer backing plates are respectively arranged corresponding to the two pressing plates, and the two buffer backing plates are arranged at one side of the corresponding pressing plate close to the inner box body.

7. The battery case of claim 1, wherein the guide structure comprises:

8. The battery box body as claimed in claim 1, wherein the left and right side walls of the inner box body are respectively provided with vent grooves which are recessed from outside to inside, and the vent grooves are arranged outside the accommodating cavity in a front-back direction in an extending manner;

9. The battery box body according to claim 1, wherein the front side wall of the inner box body is convexly provided with an abutting plate towards the peripheral side thereof, so that when the inner box body is positioned in the mounting area, the abutting plate abuts against the side wall of the mounting cavity opening;

and a sealing gasket is arranged on the rear side of the abutting plate so as to seal the mounting cavity when abutting against the side wall of the opening of the mounting cavity.

10. A battery comprising a battery case according to any one of claims 1 to 9.