CN220324591U - Battery pack box structure of electric vehicle - Google Patents

Abstract

The utility model discloses a battery pack box structure of an electric vehicle, which comprises a box body, wherein a plurality of buffer plates are arranged on the inner side of the box body, a plurality of connecting blocks are fixedly connected on the inner side of the box body, connecting rods are connected inside the connecting blocks in a sliding manner, the other ends of the connecting rods are fixedly connected with the buffer plates, a second limiting groove is formed inside the connecting blocks, a damping spring is fixedly connected to the bottom of the inner side of the second limiting groove, a limiting plate penetrates through the second limiting groove and is inwards arranged on the limiting rod, the other ends of the limiting plates are fixedly connected with the damping spring, batteries with different specifications can be flexibly placed through the arrangement of a convex box body, the practicability is high, and meanwhile, the buffer plates, the connecting blocks, the connecting rods and the damping springs can buffer and damp the battery pack inside, so that collision with the box body is avoided, and the stability and the safety of the whole battery pack in use are improved.

Description

Battery pack box structure of electric vehicle

Technical Field

The utility model relates to the field of electric vehicle battery packs, in particular to an electric vehicle battery pack box structure.

Background

The vehicle-mounted energy storage device is the only energy source of the electric vehicle and is one of the determining factors of the performance of the electric vehicle. The current developed vehicle-mounted energy storage device mainly uses batteries, and a vehicle-mounted power supply is required to be formed by a plurality of or even hundreds of single battery strings and combined into a battery pack, so that a power supply capable of outputting high voltage and large current is formed. The specification size of battery is different, and the battery box among the prior art only can place the battery of one specification, and the battery box needs to be replaced together when wanting to change the battery of another specification, and the cost is higher, and the battery is placed unstably in the battery box in addition, and the electric motor car in-process of traveling, the battery rocks in the battery box easily, and the collision produces with the box, and is impaired easily, and the battery box radiating effect is also relatively poor, and the heat that the battery work produced can't dispel, has influenced the life of battery.

Disclosure of Invention

The utility model aims to provide a battery pack box structure of an electric vehicle, which solves the problems that in the prior art, a battery is easy to shake in a battery box and collide with the box body, the battery box is easy to damage, the heat dissipation effect of the battery box is poor, and the heat generated by the battery working cannot be dissipated, so that the service life of the battery is influenced.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the box body structure of the battery pack of the electric vehicle comprises a box body, wherein a plurality of buffer plates are arranged on the inner side of the box body, a plurality of connecting blocks are fixedly connected on the inner side of the box body, connecting rods are connected in a sliding manner in the connecting blocks, the other ends of the connecting rods are fixedly connected with the buffer plates, and a second limiting groove is formed in the connecting blocks;

the damping spring is fixedly connected to the bottom of the inner side of the second limiting groove, the connecting rod penetrates through the second limiting groove and is internally provided with a limiting plate, and the other end of the limiting plate is fixedly connected with the damping spring.

As a further description of the above technical solution: one side of the box body is provided with an air inlet component in a penetrating way, and the outer side of the air inlet component is provided with an air inlet in a penetrating way.

As a further description of the above technical solution: the inside sliding connection of air inlet subassembly is at the connecting plate, the inside of connecting plate is provided with the dust screen.

As a further description of the above technical solution: the utility model discloses a box, including the top of air inlet subassembly, the top both ends of air inlet subassembly are provided with first spacing groove, the both ends fixedly connected with stopper of connecting plate, and first spacing groove corresponds each other with the stopper, the other end of box runs through and is provided with the air outlet.

As a further description of the above technical solution: the inner side of the box body is fixedly connected with a buffer cushion.

As a further description of the above technical solution: the bottom fixedly connected with base of box, the outside fixedly connected with installation piece of base, the outside of base is run through and is provided with the inlet, the inlet runs through inwards to be provided with the cooling tube, the other end of cooling tube runs through outwards to be provided with the liquid outlet.

The utility model has the following beneficial effects:

1. compared with the prior art, the battery pack box structure of the electric vehicle has the advantages that batteries with different specifications can be flexibly placed through the arrangement of the convex box body, the practicability is high, meanwhile, the buffer plate, the connecting block, the connecting rod and the damping spring are arranged to buffer and shock-absorbing the battery pack inside, so that the battery pack can not collide with the box body, and the stability and the safety of the whole battery pack in use are improved;

2. compared with the prior art, the electric vehicle battery pack box structure can radiate heat of the battery pack inside the box through the arrangement of the wind component and the water cooling component, and ensures the stability of the battery during charging and driving.

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 utility model is further illustrated by the following figures and examples;

FIG. 1 is a schematic diagram of the overall structure of a battery box of an electric vehicle according to the present utility model;

FIG. 2 is a top view of a battery pack case structure of an electric vehicle according to the present utility model;

FIG. 3 is a schematic diagram showing the internal structure of a connecting block of the battery pack case structure of the electric vehicle;

fig. 4 is a sectional view of a base of a battery pack case structure of an electric vehicle according to the present utility model.

Legend description:

1. a buffer plate; 2. a case; 3. a mounting block; 4. a dust screen; 5. an air inlet assembly; 6. an air inlet; 7. a connecting plate; 8. a first limit groove; 9. a limiting block; 10. a liquid inlet; 11. a liquid outlet; 12. a base; 13. a connecting block; 14. a connecting rod; 15. a cushion pad; 16. an air outlet; 17. a limiting plate; 18. a damping spring; 19. the second limit groove; 20. and (5) cooling the tube.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides an electric motor car group battery box structure, the power distribution box comprises a box body 2, the inboard of box 2 is provided with a plurality of buffer board 1, buffer board 1 can contact with the periphery of group battery, can carry out spacing also can cushion the effect of shock attenuation to the group battery, the inboard fixedly connected with a plurality of connecting block 13 of box 2, the inside sliding connection of connecting block 13 has connecting rod 14, the other end and the buffer board 1 fixed connection of connecting rod 14, the inside of connecting block 13 is provided with second spacing groove 19, the inboard bottom fixedly connected with damping spring 18 of second spacing groove 19, connecting rod 14 inwards is provided with limiting plate 17 through second spacing groove 19, the other end and the damping spring 18 fixed connection of limiting plate 17, whole box 2 can produce certain vibration by the influence of automobile body rocking and brake in the use, at this moment, the inside group battery atress extrudes buffer board 1, connecting plate 1 drives connecting plate 14 and limiting plate 17 extrudes damping spring 18, can realize the cushioning effect of group battery under the effect of damping spring 18, ensure the stability and the security of group battery when using, and the device and damping spring 18 can be by the damping spring 18 in the damping function of damping spring has its damping spring that can be constituteed;

one side of the box body 2 is provided with an air inlet component 5 in a penetrating way, the outer side of the air inlet component 5 is provided with an air inlet 6 in a penetrating way, the inside of the air inlet component 5 is provided with an air inlet fan, external cold air can be fed into the box body 2 through the air inlet 6 by the air inlet fan to perform heat dissipation, and meanwhile, in a specific use process, the inside of the air inlet 6 is provided with an air inlet pipeline in a connecting way, so that the external cold air can be fed into the box body 2;

the inside sliding connection of air inlet subassembly 5 is at connecting plate 7, the inside of connecting plate 7 is provided with dust screen 4, can intercept dust impurity in the air through setting up dust screen 4, prevent to enter into the inside of box 2 and cause the influence to the group battery, the top both ends of air inlet subassembly 5 are provided with first spacing groove 8, the both ends fixedly connected with stopper 9 of connecting plate 7, and first spacing groove 8 corresponds each other with stopper 9, the other end of box 2 runs through and is provided with air outlet 16, can facilitate the user to install and dismantle dust screen 4 through first spacing groove 8 and stopper 9, both adopt threaded connection's mode to install on air inlet subassembly 5 simultaneously, increase the convenience of whole device, and the air outlet 16 of the other end can discharge the heat of inside;

the inboard fixedly connected with blotter 15 of box 2, the bottom fixedly connected with base 12 of box 2, the outside fixedly connected with installation piece 3 of base 12, the outside of base 12 runs through and is provided with inlet 10, inlet 10 runs through inwards and is provided with cooling tube 20, the other end of cooling tube 20 runs through outwards and is provided with liquid outlet 11, the liquid cooling subassembly can be connected on the liquid vehicle-mounted liquid cooler, the liquid cooling is normal heat dissipation, can carry out liquid cooling circulation heat dissipation work to the group battery, ensure the stability of group battery when charging and when traveling.

Working principle: when the device is used, firstly, the battery pack is placed in the box body 2 according to the shape of the battery pack, the outer end of the battery pack is in contact with the buffer plate 1, then the whole box body 2 is closed to work, the whole box body 2 is subjected to shaking of a vehicle body and the influence of braking to generate certain vibration in the use process, at the moment, the buffer plate 1 drives the connecting plate 14 and the limiting plate 17 to extrude the damping spring 18, the damping spring 18 can be used for realizing the damping buffer effect of the battery pack, the stability and the safety of the battery pack in use are ensured, the whole damping buffer assembly can perform the dead angle-free protection effect on the periphery of the battery pack, the stability of the battery pack is ensured, meanwhile, the battery pack can be connected with a liquid vehicle liquid cooling machine through the liquid cooling assembly, the liquid cooling is normally cooled, the battery pack can be subjected to liquid cooling circulation and heat dissipation work, and the stability of the battery pack during charging and driving is ensured.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. The utility model provides an electric motor car group battery box structure, includes box (2), its characterized in that, the inboard of box (2) is provided with a plurality of buffer board (1), the inboard fixedly connected with of box (2) is a plurality of connecting block (13), the inside sliding connection of connecting block (13) has connecting rod (14), the other end and the buffer board (1) fixed connection of connecting rod (14), the inside of connecting block (13) is provided with second spacing groove (19);

the damping spring (18) is fixedly connected to the bottom of the inner side of the second limiting groove (19), the connecting rod (14) penetrates through the second limiting groove (19) and is internally provided with a limiting plate (17), and the other end of the limiting plate (17) is fixedly connected with the damping spring (18).

2. The electric vehicle battery pack box structure according to claim 1, wherein an air inlet assembly (5) is arranged on one side of the box body (2) in a penetrating manner, and an air inlet (6) is arranged on the outer side of the air inlet assembly (5) in a penetrating manner.

3. The electric vehicle battery pack box structure according to claim 2, wherein the air inlet assembly (5) is slidably connected to the connecting plate (7), and a dust screen (4) is arranged in the connecting plate (7).

4. The electric vehicle battery pack box structure according to claim 3, wherein first limit grooves (8) are formed in two ends of the upper portion of the air inlet assembly (5), limit blocks (9) are fixedly connected to two ends of the connecting plate (7), the first limit grooves (8) correspond to the limit blocks (9) mutually, and air outlets (16) are formed in the other end of the box body (2) in a penetrating mode.

5. The electric vehicle battery pack box structure according to claim 1, wherein a cushion pad (15) is fixedly connected to the inner side of the box (2).

6. The electric vehicle battery pack box structure according to claim 1, wherein a base (12) is fixedly connected to the bottom of the box (2), a mounting block (3) is fixedly connected to the outer side of the base (12), a liquid inlet (10) is formed in the outer side of the base (12) in a penetrating manner, a cooling pipe (20) is arranged in the liquid inlet (10) in a penetrating manner, and a liquid outlet (11) is formed in the other end of the cooling pipe (20) in a penetrating manner.