CN209804754U - Battery box for electric automobile - Google Patents

Abstract

The utility model relates to the technical field of electric automobiles, and discloses a battery box for an electric automobile, which solves the problem that the existing battery box for the electric automobile can not well protect the internal battery body, and comprises a box body and a cover plate, wherein the box body comprises a bottom plate and a shell, the outer side of the top end of the bottom plate is provided with the shell, the inner wall of the shell is provided with a lower chute and an upper chute, a supporting plate is arranged in the lower chute in a sliding way, a second heat dissipation hole is arranged on the supporting plate, a damping device is arranged between the supporting plate and the bottom plate, the damping device comprises a supporting rod, the bottom end of the supporting rod is fixed on the bottom surface of the bottom plate, a supporting seat is sleeved on the upper end of the supporting rod, the top end of the supporting seat is fixed on the supporting plate, a spring is, the battery is damped by the damping device, so that the battery is effectively prevented from being damaged due to vibration and jolt.

Description

A battery box for electric vehicles

technical field

The utility model relates to the technical field of electric vehicles, in particular to a battery box for electric vehicles.

Background technique

An electric vehicle refers to a vehicle powered by a vehicle-mounted power supply, driven by a motor to drive the wheels, and conforming to the requirements of road traffic and safety regulations. Due to its smaller impact on the environment than traditional cars, its prospects are widely optimistic.

The existing electric vehicle battery box has a simple structure, and is only used to place the battery body, which cannot protect the internal battery body well. When it is shaken or bumped, the battery body vibrates or shakes, which easily causes damage to the internal components.

Utility model content

The purpose of this utility model is to solve the problem that the existing electric vehicle battery box in the prior art has a simple structure, which is only used to place the battery body, and cannot protect the internal battery body well. The main body vibrates or shakes, which is easy to cause damage to internal components, and a battery box for electric vehicles is proposed.

In order to achieve the above object, the utility model adopts the following technical solutions:

A battery box for an electric vehicle, comprising a box body and a cover plate, the box body includes a bottom plate and a casing, the bottom plate is provided with a first cooling hole, and a casing is provided outside the top end of the bottom plate, the The inner wall of the casing is provided with a sliding groove and an upper sliding groove, and a supporting plate is slidably installed in the sliding groove, and a second cooling hole is opened on the supporting plate, and a shock absorber is provided between the supporting plate and the bottom plate. device, the shock absorbing device includes a support rod, the bottom end of the support rod is fixed on the bottom surface of the bottom plate, and the upper end of the support rod is covered with a support seat, and the top end of the support seat is fixed on the support plate , and a spring is provided inside the support seat, a battery body is placed above the support plate, a pressing plate is provided above the battery body, a third cooling hole is opened on the pressing plate, and the pressing plate is fixedly installed on the upper In the chute, the cover plate is installed on the top of the box body, and the bottom of the cover plate is provided with a cooling fan.

Preferably, the support seat is slidably installed on the support rod, and one end of the spring is glued and fixed inside the support seat, and the other end of the spring is glued and fixed to the top of the support rod.

Preferably, the upper chute runs through the upper end of the housing.

Preferably, the pressure plate is installed in the upper chute by hexagon socket bolts.

Preferably, the number of the battery bodies is two to eight, and a heat insulation board is arranged between two battery bodies, and the heat insulation board is fixed on the support plate, and the height of the heat insulation board is lower than the height of the battery body.

Preferably, a handle is provided on the top of the cover.

The beneficial effects of the utility model are:

1. By placing the battery body on the support plate, and pressing the battery body from the upper end by the pressure plate, the battery body squeezes the support plate, and the support plate squeezes the shock absorbing device, so that the battery body is shaken and bumped. The battery is damped by the shock-absorbing device, which effectively prevents it from being damaged due to vibration and bumps.

2. By turning on the heat dissipation fan, the heat dissipation fan blows air on the battery, and takes the hot air out of the casing from the first heat dissipation hole, so that the heat dissipation fan assists in heat dissipation and improves the heat dissipation effect of the battery box.

Description of drawings

Fig. 1 is a kind of structural schematic diagram that is used for the battery box of electric vehicle that the utility model proposes;

Fig. 2 is the schematic structural diagram of place A in Fig. 1;

Fig. 3 is a structural schematic diagram of the bottom surface of a cover plate used in a battery box of an electric vehicle proposed by the utility model.

In the figure: 1 bottom plate, 2 first cooling hole, 3 housing, 4 sliding groove, 5 upper sliding groove, 6 supporting plate, 7 second cooling hole, 8 supporting rod, 9 supporting seat, 10 spring, 11 pressure plate, 12 The third heat dissipation hole, 13 battery body, 14 heat insulation plate, 15 hexagon socket bolt, 16 cover plate, 17 heat dissipation fan.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

Referring to Figures 1-3, a battery box for electric vehicles includes a box body and a cover plate 16, the box body includes a bottom plate 1 and a housing 3, the bottom plate 1 is provided with a first cooling hole 2, and the top of the bottom plate 1 The outer side is provided with a housing 3, the housing 3 and the bottom plate 1 are integrally injection molded, and the inner wall of the housing 3 is provided with a sliding groove 4 and an upper sliding groove 5, and a supporting plate 6 is slidingly installed in the sliding groove 4, and a supporting plate 6 is provided on the supporting plate 6. There is a second heat dissipation hole 7, and a shock absorber is provided between the support plate 6 and the base plate 1, the shock absorber includes a support rod 8, the bottom end of the support rod 8 is glued and fixed on the bottom surface of the base plate 1, and the bottom of the support rod 8 The upper end is covered with a support seat 9, the top of the support seat 9 is glued and fixed on the bottom surface of the support plate 6, and the inside of the support seat 9 is provided with a spring 10, the top of the support plate 6 is placed with a battery body 13, the top of the battery body 13 A pressure plate 11 is provided, and a third cooling hole 12 is opened on the pressure plate 11, and the pressure plate 11 is fixedly installed in the upper chute 5, and the cover plate 16 is installed on the top of the box by screws, and the bottom of the cover plate 16 is provided with a cooling fan 17 , the cooling fan 17 is electrically connected to the battery body 13 , and a switch for the cooling fan 17 is provided on the outside of the cover plate 16 .

Further, the support base 9 is slidably installed on the support rod 8 , and one end of the spring 10 is glued and fixed inside the support base 9 , and the other end of the spring 10 is glued and fixed on the top of the support rod 8 .

Further, the upper chute 5 runs through the upper end of the housing 3, and the pressing plate 11 is installed in the upper chute 5 through the hexagon socket bolt 15, and the pressing plate can be taken out of the housing 3 from the upper end by loosening the hexagon socket bolt 15.

Further, the number of battery bodies 13 is three, and a heat insulation board 14 is provided between every two battery bodies 13. For heat insulation, the heat insulation plate 14 is fixed on the support plate 6 with screws, and the height of the heat insulation plate 14 is lower than that of the battery body 13 , so that the pressure plate 11 can pressurize the battery body 13 .

Further, a pull handle is provided on the top of the cover plate 16 to facilitate taking out the entire battery box.

In this embodiment, by placing the battery body 13 on the support plate 6, the pressure plate 11 is loaded from the upper chute 5, and the pressure plate is fixed inside the upper chute 5 by the hexagon socket bolt 15, and the pressure plate is fixed At 11 o'clock, the pressure plate 11 squeezes the battery body 13, and the battery body 13 squeezes the support plate 6, so that the support plate 6 slides downward in the glide groove 4, and at the same time, the support plate 6 squeezes the spring 10, and the reaction force of the spring 10 makes the pressure plate 11 is fixed, and the battery body 13 is fixed at the same time, so that when the battery body 13 vibrates and bumps, a shock-absorbing device can also be used to damp the battery body 13, and the cover plate 16 is installed on the housing 3 from the outside by screws, and opened Cooling fan 17, the cooling fan 17 blows out the airflow, through the third cooling hole 12, the second cooling hole 7 and the first cooling hole 2 in order to take the heat generated by the battery body 13 out of the battery box.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A battery box for an electric automobile comprises a box body and a cover plate (16), wherein the box body comprises a bottom plate (1) and a shell (3), and is characterized in that a first heat dissipation hole (2) is formed in the bottom plate (1), the shell (3) is arranged on the outer side of the top end of the bottom plate (1), a lower sliding groove (4) and an upper sliding groove (5) are formed in the inner wall of the shell (3), a supporting plate (6) is arranged in the lower sliding groove (4) in a sliding mode, a second heat dissipation hole (7) is formed in the supporting plate (6), a damping device is arranged between the supporting plate (6) and the bottom plate (1), the damping device comprises a supporting rod (8), the bottom end of the supporting rod (8) is fixed to the bottom surface of the bottom plate (1), a supporting seat (9) is sleeved on the upper end of the supporting rod (8), the top end of the supporting, and the inside of supporting seat (9) is equipped with spring (10), battery body (13) have been placed to the top of backup pad (6), the top of battery body (13) is equipped with clamp plate (11), third louvre (12) have been seted up on clamp plate (11), and clamp plate (11) fixed mounting in last spout (5), apron (16) are installed the top of box, and the bottom of apron (16) is provided with radiator fan (17).

2. The battery box for the electric automobile according to claim 1, wherein the supporting seat (9) is slidably mounted on the supporting rod (8), one end of the spring (10) is fixed inside the supporting seat (9) by gluing, and the other end of the spring (10) is fixed on the top end of the supporting rod (8) by gluing.

3. The battery box for electric vehicles according to claim 1, wherein the upper chute (5) penetrates the upper end of the case (3).

4. a battery box for electric vehicles according to claim 3, characterized in that the pressure plate (11) is mounted in the upper chute (5) by means of hexagon socket head bolts (15).

5. The battery box for the electric vehicle according to claim 1, wherein the number of the battery bodies (13) is two to eight, and a heat insulation plate (14) is arranged between every two battery bodies (13), the heat insulation plate (14) is fixed on the support plate (6), and the height of the heat insulation plate (14) is lower than that of the battery bodies (13).

6. The battery box for electric vehicles according to claim 1, wherein a pull handle is provided at the top end of the cover plate (16).