CN212967886U

CN212967886U - Lithium ion battery PACK box

Info

Publication number: CN212967886U
Application number: CN202021591560.6U
Authority: CN
Inventors: 钱佳敏; 缪书坤; 楼志强; 程锦国; 徐斌; 刘巍
Original assignee: Beijing Shoto Energy Storage Technology Co ltd; Jiangsu Shuangdeng Front New Energy Co ltd; Shuangdeng Group Co Ltd
Current assignee: Beijing Shoto Energy Storage Technology Co ltd; Jiangsu Shuangdeng Front New Energy Co ltd; Shuangdeng Group Co Ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-13
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to a lithium ion battery PACK box body, which is provided with a case; a pull rod for pulling the case is arranged on the inner side end face of the case; the two sides of the case are provided with driving wheel devices; a plurality of heat dissipation holes are formed in the end face of the outer side of the case; a plurality of heat dissipation holes form a large rectangular heat dissipation unit; each driving wheel device is driven by three wheels; a handle is arranged on the upper end face of the case; the handles are respectively arranged at the two ends of the upper end surface and near the edges. The utility model aims at overcoming the defect that prior art exists, provide a lithium ion battery PACK box that heat dispersion is good, the portability is good.

Description

Lithium ion battery PACK box

Technical Field

The utility model relates to a lithium cell design production field especially relates to a lithium ion battery PACK box.

Background

The lithium ion battery is a novel green environment-friendly storage battery product which is developed quickly, and is favored by various industries due to high specific energy, small volume, no maintenance and environmental friendliness. Lithium ion batteries are now used in the field of back-up power supplies as secondary rechargeable batteries. The field of backup batteries has high requirements on the heat dissipation performance and portability of the batteries, and the heat dissipation performance and portability are key indexes of the backup batteries. However, the conventional lithium ion battery PACK box is driven by two wheels, can only be suitable for transportation on a flat road, cannot go upstairs, and goes up a bumpy road section such as a ladder. Therefore, it is necessary to design a lithium ion battery PACK box with good heat dissipation performance and good portability.

Disclosure of Invention

The utility model aims at overcoming the defect that prior art exists, provide a lithium ion battery PACK box that heat dispersion is good, the portability is good.

Realize the utility model discloses the technical scheme of purpose is: a lithium ion battery PACK box body is provided with a case; a pull rod for pulling the case is arranged on the inner side end face of the case; the two sides of the case are provided with driving wheel devices; a plurality of heat dissipation holes are formed in the end face of the outer side of the case; a plurality of heat dissipation holes form a large rectangular heat dissipation unit; each driving wheel device is driven by three wheels; a handle is arranged on the upper end face of the case; the handles are respectively arranged at the two ends of the upper end surface and near the edges.

Further, the three-wheel drive comprises a driving bracket and a driving wheel; the driving support is in a special-shaped equilateral triangle shape; each driving wheel is clamped between three corners of the two driving brackets through a rotating shaft; the driving bracket is connected with the case through a central shaft.

Furthermore, an adjusting device capable of adjusting the driving wheel device up and down is additionally arranged between the driving wheel device and the case.

Further, the adjusting device is an adjusting plate; a plurality of adjusting holes are longitudinally formed in the adjusting plate; two mounting holes are formed in the case corresponding to the positions of the adjusting plates.

Further, the distance between the two mounting holes is equal to the distance between the two adjacent adjusting holes.

Further, the distance between the two mounting holes is N times of the distance between the two adjacent adjusting holes; the N may be 1 or 2 or 3.

Furthermore, a foot support is hinged to the lower edge of the outer end face of the case close to the lower edge.

Further, the foot support is an adjustable height foot support; the foot support comprises a hinge section and an adjusting section; the hinge section and the adjusting section are both provided with adjusting holes with the same distance and size.

Further, the distance between two adjacent adjusting holes is the same as the distance between two adjacent adjusting holes.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model discloses being six rounds with two wheel drive optimization, the angle is 60 between two liang of solitary skidding when the road traffic of peaceful, for four wheel drive, will become six rounds of cooperation drive in turn meetting the rugged road section such as step, increases the stability in its transportation, reduces the wearing and tearing that collide with of quick-witted case, improves life.

(2) The utility model discloses the design of heel brace, a be used for supporting the quick-witted case, the louvre of seting up on the machine case, be convenient for derive the heat that the battery is inside from the louvre is high-efficient, the inside lithium cell of battery has been guaranteed, the lower operating temperature of BMS components and parts, ensure at the charge-discharge in-process, lithium ion can pass through electrolyte, the diaphragm is taken off smoothly and is inlayed, the electrolyte that the too high temperature of lithium cell in the solution charging process leads to decomposes, produce the appearance lithium risk that shrink behind gas and the diaphragm hole high temperature leads to, be favorable to the battery in groups and improve group battery life and safety, improve battery performance uniformity, cycle life and security.

(3) The utility model discloses adjusting device and the linkage of heel brace are adjusted and can be increased the difference in height between quick-witted case and the ground, further reduce the wearing and tearing that collide with of quick-witted case, improve life.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

Fig. 1 is a perspective view of embodiment 1 of the present invention;

fig. 2 is a perspective view of embodiment 2 of the present invention;

fig. 3 is a perspective view of embodiment 2 of the present invention;

fig. 4 is an exploded view of embodiment 2 of the present invention.

The reference numbers in the drawings are as follows: the device comprises a case 10, a heat dissipation hole 11, a mounting base 12, a pull rod 20, a driving wheel device 30, a driving bracket 31, a driving wheel 32, a central shaft 33, a handle 40, an adjusting device 50, an adjusting hole 51, a foot support 60, a hinge section 61, an adjusting section 62 and an adjusting hole 63.

Detailed Description

(example 1)

Referring to fig. 1, the present invention has a case 10; a pull rod 20 for pulling the case 10 is installed on the inner side end face of the case 10; the driving wheel devices 30 are mounted on two sides of the case 10; a plurality of heat dissipation holes 11 are formed in the end surface of the outer side of the case 10; a plurality of the heat dissipation holes 11 form a large rectangular heat dissipation unit; each of the driving wheel devices 30 is driven by three wheels; a handle 40 is arranged on the upper end face of the case 10, and the handle 40 is locked and fixed through a bolt on the inner side of the case 10; the handles 40 are respectively arranged at the two ends of the upper end surface near the edges.

More specifically in this embodiment, the three-wheel drive includes a drive bracket 31 and a drive wheel 32; the driving support 31 is a special-shaped equilateral triangle, each side of the special-shaped equilateral triangle is sunken towards the central point of the equilateral triangle, and the sunken degree and shape of each side are the same; each driving wheel 32 is clamped between three corners of the two driving brackets 31 through a rotating shaft; the driving bracket 31 is connected with the case 10 through a central shaft 33; one end of the central shaft 33 is in bearing connection with the driving bracket 31; the other end of the central shaft 33 is fixedly connected with the side of the case 10 by bolt locking.

(example 2)

Referring to fig. 2 to 4, based on embodiment 1, an adjusting device 50 capable of adjusting the driving wheel device 30 up and down is additionally disposed between the driving wheel device 30 and the chassis 10.

More specifically in this embodiment, the adjusting device 50 is an adjusting plate; a plurality of adjusting holes 51 are longitudinally formed on the adjusting plate; two mounting holes are formed in the position, corresponding to the position of the adjusting plate, of the case 10, a straight line is formed by the two points, and the two mounting holes are favorable for the stability of the adjusting plate, so that the adjusting plate is prevented from deviating on the end face of the side wall of the case 10.

More specifically, in the present embodiment, the distance between two of the mounting holes is equal to the distance between two adjacent adjusting holes 51.

More specifically in the present embodiment, the distance between two of the mounting holes is N times the distance between two adjacent adjusting holes 51; the N may be 1 or 2 or 3.

More specifically, in this embodiment, the driving bracket 31 is connected to the chassis 10 through a central shaft 33; one end of the central shaft 33 is in bearing connection with the driving bracket 31; the other end of the central shaft 33 is fixedly connected with an adjusting hole 51 on the adjusting plate through matching with a bolt lock.

(example 3)

Referring to fig. 2 to 4, based on embodiment 1 or 2, the present invention includes a foot support 60 hinged to a lower edge of an outer end surface of the chassis 10, specifically, a mounting base 12 fixed to the chassis 10 corresponding to the foot support 60, the mounting base 12 locked to the chassis 10 by a bolt, and the foot support 60 hinged to the mounting base 12.

More specifically in this embodiment, the foot support 60 is an adjustable height foot support; the foot support 60 comprises a hinge section 61 and an adjusting section 62; the hinge section 61 and the adjusting section 62 are both provided with adjusting holes 63 with the same distance and size; the distance between two adjacent adjusting holes 63 is the same as the distance between two adjacent adjusting holes 51. The height of the foot support 60 is adjustable to better match the adjusting device 50 at the driving wheel device 30, and the foot support 60 is also adjusted when the adjusting device 50 is adjusted, which is beneficial to stability.

The utility model discloses a theory of operation does: when in use, firstly, the height of the adjusting device 50 and the foot support 60 can be adjusted according to road conditions; for the road surface with complex road conditions, the distance between the bottom of the case 10 and the ground is increased, the adjusting plates on the two sides of the case 10 are required to be adjusted downwards, and the central shaft 33 is matched with the bolt and the adjusting hole 51 at the lower end to be locked and fixed, so that the distance between the bottom of the case 10 and the ground can be increased, and the contact friction between the lower end of the inner side of the case 10 and the ground is avoided when the case 10 is pulled; in the pulling stage, four-wheel drive is adopted during flat road transportation, and six-wheel matching alternate drive is realized when the rough road section such as steps is met; the height of the foot support 60 is adjusted, the height of the initial position of the foot support 60 is the same as the height of the initial position of the driving wheel device 30, namely the height of the driving wheel device 30 and the foot support 60 corresponding to the lowest point of the case 10 moving on the flat ground can be normally pulled through the pull rod 20, after the adjustment device 30 is adjusted, the height of the foot support 60 needs to be adjusted to the same degree, so that a more stable support can be obtained under the vertical state of the case 10, the hinge section 61 and the adjustment section 62 are locked through a bolt, the hinge section 61 and the mounting base 12 are in hinge connection, and the foot support 60 can be pulled upwards to be close to the outer end face of the case 10 when the foot support 60 is not used or the case 10 moves; the case 10 can be moved by the handle 40 on the upper surface of the portable case 10, and the heat generated inside the case 10 can be discharged through the heat dissipation holes 11 during the use.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A lithium ion battery PACK box body is provided with a machine box (10); a pull rod (20) for pulling the case (10) is arranged on the inner side end face of the case (10); the two sides of the case (10) are provided with driving wheel devices (30); the method is characterized in that: a plurality of heat dissipation holes (11) are formed in the end face of the outer side of the case (10); a plurality of heat dissipation holes (11) form a large rectangular heat dissipation unit; each driving wheel device (30) is driven by three wheels; a handle (40) is arranged on the upper end face of the case (10); the handles (40) are respectively arranged at the two ends of the upper end surface and near the edges.

2. The lithium ion battery PACK box of claim 1, wherein: the three-wheel drive comprises a drive bracket (31) and a drive wheel (32); the driving support (31) is in a special-shaped equilateral triangle shape; each driving wheel (32) is clamped between three corners of the two driving brackets (31) through a rotating shaft; the driving support (31) is connected with the case (10) through a central shaft (33).

3. The lithium ion battery PACK box of claim 1, wherein: an adjusting device (50) capable of adjusting the driving wheel device (30) up and down is additionally arranged between the driving wheel device (30) and the case (10).

4. The lithium ion battery PACK box of claim 3, wherein: the adjusting device (50) is an adjusting plate; a plurality of adjusting holes (51) are longitudinally formed in the adjusting plate; two mounting holes are formed in the position, corresponding to the position of the adjusting plate, of the case (10).

5. The lithium ion battery PACK box of claim 4, wherein: the distance between the two mounting holes is equal to the distance between the two adjacent adjusting holes (51).

6. The lithium ion battery PACK box of claim 4, wherein: the distance between the two mounting holes is N times of the distance between the two adjacent adjusting holes (51); the N may be 1 or 2 or 3.

7. The lithium ion battery PACK box of claim 1 or 3, wherein: and a foot support (60) is hinged to the lower edge of the outer end face of the case (10).

8. The lithium ion battery PACK box of claim 7, wherein: the foot support (60) is a height-adjustable foot support; the foot support (60) comprises a hinge section (61) and an adjusting section (62); the hinge section (61) and the adjusting section (62) are provided with adjusting holes (63) with the same distance and size.

9. The lithium ion battery PACK box of claim 8, wherein: the distance between two adjacent adjusting holes (63) is the same as the distance between two adjacent adjusting holes (51).