Battery box locking mechanism and electric vehicle

Abstract

The utility model relates to the technical field of operation machinery, in particular to a battery box locking mechanism and an electric vehicle. The utility model provides a battery box locking mechanism which comprises a vehicle-mounted base suitable for bearing a battery box; the first-stage guide column is rotatably arranged on the vehicle-mounted base, a guide inclined plane is arranged at the top of the first-stage guide column, and the guide inclined plane is suitable for guiding the battery box to move; the spring bolt device is arranged on the side wall of the first-stage guide column; and the driving device is suitable for driving the first-stage guide column to rotate, so that the first-stage guide column drives the spring bolt device to rotate and switch between the locking position and the unlocking position. According to the battery box locking mechanism and the electric vehicle, the problems that the battery box locking mechanism is large in occupied space and inconvenient to install and arrange can be solved or improved.

Description

Technical Field

[0001] The utility model relates to the technical field of working machinery, and particularly relates to a battery box locking mechanism and an electric vehicle. Background Art

[0002] As an innovative energy supply method, the battery swapping solution has shown great potential and advantages in ensuring the endurance of electric working vehicles. Electric working vehicles, such as electric heavy trucks, electric buses, electric forklifts, and electric construction machinery, etc., because they need to run continuously during the working process and have extremely high requirements for endurance, traditional charging methods often cannot meet their fast and efficient needs. Therefore, the battery swapping solution has emerged, providing a more convenient and reliable energy supply way for electric working vehicles.

[0003] In the related art, the battery-swappable electric vehicle includes a battery box locking mechanism, and the battery box locking mechanism usually includes key components such as a vehicle-mounted base, a guiding column, and a locking tongue device. The vehicle-mounted base serves as the bearing platform for the battery box, and the vehicle-mounted base is usually designed as a frame structure to provide sufficient support strength and stability. One or more guiding columns are arranged on each side frame of the vehicle-mounted base. Each guiding column is provided with a guiding inclined surface, and under the guiding action of the guiding inclined surfaces of the plurality of guiding columns, the battery box can be guided to accurately move to the set position during the installation process. After the battery box is guided to the set position by the guiding columns, the locking tongue device firmly locks the battery box on the vehicle-mounted base by mechanical locking. In this way, even when the vehicle encounters bumps or vibrations during driving, the battery box can maintain a stable installation state. However, in the battery box locking mechanism in the related art, the locking tongue device and the guiding column are independently arranged, occupying a large space and being inconvenient for installation and arrangement on the vehicle.

[0004] Therefore, how to solve or improve the problems that the battery box locking mechanism occupies a large space and is inconvenient for installation and arrangement has become an important technical problem to be solved by those skilled in the art. Summary of the Utility Model

[0005] In view of this, the utility model provides a battery box locking mechanism and an electric vehicle, which can solve or improve the problems that the battery box locking mechanism occupies a large space and is inconvenient for installation and arrangement.

[0006] In the first aspect, the utility model provides a battery box locking mechanism, including:

[0007] A vehicle-mounted base adapted to carry the battery box;

[0008] A first-stage guiding column rotatably arranged on the vehicle-mounted base, the top of the first-stage guiding column is provided with a guiding inclined surface, and the guiding inclined surface is adapted to guide the movement of the battery box;

[0009] A locking tongue device is arranged on the side wall of the first-stage guide column;

[0010] The driving device is suitable for driving the first-stage guide column to rotate, so that the first-stage guide column drives the lock tongue device to rotate and switch between the locking position and the unlocking position.

[0011] Beneficial effects:

[0012] The vehicle-mounted base is installed on the vehicle and is used to carry the battery box. The first-level guide column is rotatably installed on the vehicle-mounted base and is a key component for realizing the locking and unlocking functions. A guide slope is designed on the top. When the battery box is installed, the guide slope can guide the battery box to move smoothly to the predetermined position to ensure the smoothness and accuracy of the installation process. The lock tongue device is arranged on the side wall of the first-level guide column. When the lock tongue device is in the locking position, it can cooperate with the corresponding structure (such as the lock hole, the card slot, etc.) on the battery box to firmly lock the battery box on the vehicle-mounted base; when it needs to be unlocked, the lock tongue device turns to the unlocking position to release the battery box and allow it to be taken out or moved. The driving device is responsible for providing rotational power to the first-level guide column so that it can drive the lock tongue device to switch between the locking position and the unlocking position. When the battery box is placed on the vehicle-mounted base, the guide slope first guides the battery box to the correct position, and then the driving device is started to drive the first-level guide column to rotate, so that the lock tongue device turns to the locking position and cooperates with the locking structure on the battery box to realize the locking of the battery box. When the battery box needs to be taken out, the driving device works in reverse to drive the first-stage guide column to rotate, so that the lock tongue device turns to the unlocking position and releases the battery box. In this way, the first-stage guide column and the lock tongue device are integrated, which simplifies the overall structure of the battery box locking mechanism, making the entire locking mechanism compact, small in space, and easy to install and layout on the vehicle.

[0013] According to the battery box locking mechanism provided by the utility model, the first-stage guide column and the driving device are both provided in plurality, and the driving device is transmission-connected with the first-stage guide column in a one-to-one correspondence;

[0014] Alternatively, it also includes a transmission assembly, which includes a power input part and at least two power output parts, the power input part is connected to the driving device, and each of the power output parts is connected to the first-stage guide column one by one; the driving device is suitable for driving at least two of the first-stage guide columns to rotate synchronously through the transmission assembly.

[0015] Beneficial effects:

[0016] In this solution, the driving device and the first-stage guide column can be connected in transmission by any one of the following two methods.

[0017] First, each first-level guide column is equipped with an independent drive device, and these drive devices are connected to the first-level guide columns one by one. This configuration ensures that each first-level guide column can be independently controlled to rotate. If a drive device fails, it will not affect the normal operation of other first-level guide columns, thereby improving the overall reliability of the system. It is also convenient for the layout of the first-level guide columns, and is suitable for battery boxes of various sizes and shapes, as well as vehicle-mounted bases with different layouts.

[0018] The second type is to be connected to multiple first-stage guide columns through a driving device and a transmission assembly (including a power input part and at least two power output parts). The power input part receives power from the driving device and transmits the power to each first-stage guide column through the power output part to achieve synchronous rotation. This arrangement reduces the number of driving devices, simplifies the overall structure, and reduces manufacturing costs and complexity. In addition, the transmission assembly ensures that multiple first-stage guide columns can rotate synchronously, which improves the coordination and efficiency of the locking and unlocking process.

[0019] According to the battery box locking mechanism provided by the utility model, a driving gear is provided on the output shaft of the driving device, and the transmission assembly includes:

[0020] A driven gear meshing with the driving gear to constitute the power input part;

[0021] A transmission shaft, sleeved in the inner hole of the driven gear;

[0022] At least two output gears are respectively sleeved on the outer circumference of the transmission shaft, and the two constitute at least two power output parts. The first-stage guide column is provided with a gear, and the output gear is meshed with the gear on the first-stage guide column.

[0023] According to the battery box locking mechanism provided by the utility model, the guide slope includes a first guide slope and a second guide slope, the first guide slope is suitable for guiding the battery box to move along the first direction, and the second guide slope is suitable for guiding the battery box to move along the second direction.

[0024] According to the battery box locking mechanism provided by the utility model, the vehicle-mounted base is configured as a square structure, and the number of the first-stage guide columns is four and they are respectively arranged at the four corner positions of the vehicle-mounted base.

[0025] The battery box locking mechanism provided by the utility model also includes:

[0026] The limit seat is fixed on the vehicle-mounted base, the first-level guide column is rotatably arranged on the limit seat, and the limit seat is suitable for limiting the horizontal displacement of the battery box.

[0027] The battery box locking mechanism provided by the present utility model further includes:

[0028] A second-stage guiding column is disposed on the vehicle-mounted base, and the top end of the second-stage guiding column is provided with a conical structure.

[0029] According to the battery box locking mechanism provided by the present utility model, a plurality of second-stage guiding columns are provided, and the plurality of second-stage guiding columns are at least divided into a first row and a second row, and the second-stage guiding columns in the first row and the second-stage guiding columns in the second row are arranged in a staggered manner.

[0030] The battery box locking mechanism provided by the present utility model further includes:

[0031] An electrical connector is adapted to be electrically connected to the battery box. The electrical connector is provided with a third-stage guiding structure, and the electrical connector is disposed at a middle position of the vehicle-mounted base.

[0032] In a second aspect, the present utility model provides an electric vehicle, including the battery box locking mechanism according to any one of the above.

[0033] Beneficial effects:

[0034] With such a setting, the electric vehicle provided by the present utility model can solve or improve the problems that the battery box locking mechanism occupies a large space and is not convenient for installation and arrangement. The derivation process of this beneficial effect is generally similar to the derivation process of the beneficial effect brought by the above battery box locking mechanism, and will not be elaborated here. Description of the drawings

[0035] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0036] Figure 1 It is a three-dimensional schematic diagram of the battery box locking mechanism in the embodiment of the present utility model;

[0037] Figure 2 It is a front view schematic diagram of the battery box locking mechanism in the embodiment of the present utility model;

[0038] Figure 3 It is a three-dimensional schematic diagram of the first-stage guiding column in the embodiment of the present utility model.

[0039] Explanation of the reference numerals:

[0040] 11. Vehicle-mounted base; 12. First-stage guide post; 121. First guide inclined surface; 122. Second guide inclined surface; 13. Lock tongue device; 14. Driving device; 15. Limit seat; 16. Second-stage guide post; 17. Electrical connector. Detailed implementation manners

[0041] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0042] As Figures 1 to 3 shown, an embodiment of the present utility model provides a battery box locking mechanism, including a vehicle-mounted base 11, a first-stage guide post 12, a lock tongue device 13, and a driving device 14.

[0043] Among them, the vehicle-mounted base 11 is an important component of the vehicle, and it is suitable for carrying the battery box, that is, the weight of the battery box is mainly borne by the vehicle-mounted base 11. The structure of the vehicle-mounted base 11 can specifically be a rectangular frame, a trapezoidal frame, a polygonal frame, etc., and its material can be aluminum alloy or steel, etc.

[0044] The first-stage guide post 12 is arranged on the vehicle-mounted base 11. In some embodiments, the first-stage guide post 12 can be a steel column or an aluminum alloy column, and its cross-section can be a rectangular, circular, etc. structure. The first-stage guide post 12 is rotatably connected to the vehicle-mounted base 11. Specifically, bearing holes or bearing seats can be arranged on the vehicle-mounted base 11, and the lower part of the first-stage guide post 12 is installed on the bearing holes or bearing seats of the vehicle-mounted base 11 through bearings to realize rotatably installing the first-stage guide post 12 on the vehicle-mounted base 11. A guide inclined surface is arranged at the top of the first-stage guide post 12. During the process of placing the battery box on the vehicle-mounted base 11, the first-stage guide post 12 first contacts the side wall of the guide hole on the battery box, and during the downward movement of the battery box, the battery box slides obliquely downward along the guide inclined surface.

[0045] The lock tongue device 13 is arranged on the side wall of the first-stage guide post 12. In some embodiments, the lock tongue device 13 can be a block structure, and it can be fixed on the side wall of the first-stage guide post 12 by welding, casting, bolt connection, etc. The lock tongue device 13 can rotate together with the first-stage guide post 12. The first-stage guide post 12 can drive the lock tongue device 13 to switch between the locked position and the unlocked position. When the battery box reaches the correct position on the vehicle-mounted base 11, the first-stage guide post 12 rotates, driving the lock tongue device 13 to lock the battery box to ensure the stability of the battery box.

[0046] The driving device 14 is adapted to drive the first-stage guide column 12 to rotate, so that the first-stage guide column 12 drives the lock tongue device 13 to rotate and switch between the locked position and the unlocked position. The driving device 14 can adopt various driving methods such as electric, pneumatic or hydraulic driving. For example, it can be a motor, a pneumatic motor, a hydraulic motor, etc., which can be specifically determined according to the actual application scenario.

[0047] In this embodiment, the vehicle-mounted base 11 is installed on the vehicle and is used to carry the battery box. The first-stage guide column 12 is rotatably installed on the vehicle-mounted base 11 and is a key component for realizing the locking and unlocking functions. Its top is designed with a guiding inclined surface. When the battery box is installed, the guiding inclined surface can guide the battery box to smoothly move to a predetermined position, ensuring the smoothness and accuracy of the installation process. The lock tongue device 13 is arranged on the side wall of the first-stage guide column 12. When the lock tongue device 13 is in the locked position, it can cooperate with the corresponding structure (such as a lock hole, a clamping groove, etc.) on the battery box to firmly lock the battery box on the vehicle-mounted base 11; when unlocking is required, the lock tongue device 13 rotates to the unlocked position to release the battery box, allowing it to be taken out or moved. The driving device 14 is responsible for providing rotational power for the first-stage guide column 12, enabling it to drive the lock tongue device 13 to switch between the locked position and the unlocked position. When the battery box is placed on the vehicle-mounted base 11, the guiding inclined surface first guides the battery box to the correct position, and then the driving device 14 starts to drive the first-stage guide column 12 to rotate, causing the lock tongue device 13 to rotate to the locked position and cooperate with the locking structure on the battery box to achieve the locking of the battery box. When the battery box needs to be taken out, the driving device 14 works in reverse to drive the first-stage guide column 12 to rotate, causing the lock tongue device 13 to rotate to the unlocked position to release the battery box. With such a setting, this solution integrates the first-stage guide column 12 and the lock tongue device 13, simplifies the overall structure of the battery box locking mechanism, makes the entire locking mechanism compact in design, occupies a small space, and is convenient for installation and layout on the vehicle.

[0048] In a further embodiment, both the first-stage guide column 12 and the driving device 14 are provided in multiple numbers, and the driving device 14 is in one-to-one transmission connection with the first-stage guide column 12. For example, the first-stage guide column 12 and the driving device 14 can be respectively provided in four numbers, and each driving device 14 is in transmission connection with one first-stage guide column 12.

[0049] Alternatively, in another embodiment, the battery box locking mechanism may further include a transmission assembly, the transmission assembly including a power input part and at least two power output parts, the power input part is connected to the drive device 14, and each power output part is connected to the first-stage guide column 12 in a one-to-one correspondence; the drive device 14 is suitable for driving at least two first-stage guide columns 12 to rotate synchronously through the transmission assembly. For example, the first-stage guide columns 12 may be provided with four, and the drive devices 14 may be provided with two, and each transmission assembly may have two power output parts, and each drive device 14 may simultaneously drive two first-stage guide columns 12 to rotate through the transmission assembly.

[0050] In this solution, the driving device 14 and the first-stage guide column 12 can be connected in transmission by any one of the following two methods.

[0051] First, each first-stage guide column 12 is equipped with an independent drive device 14, and these drive devices 14 are connected to the first-stage guide columns 12 in a one-to-one transmission manner. This configuration ensures that each first-stage guide column 12 can be independently controlled to rotate. If a drive device 14 fails, it will not affect the normal operation of other first-stage guide columns 12, thereby improving the overall reliability of the system. It is also convenient for the arrangement of the first-stage guide columns 12, and is suitable for battery boxes of various sizes and shapes, as well as vehicle-mounted bases 11 with different layouts.

[0052] The second type is to be connected to multiple first-stage guide columns 12 through a drive device 14 and a transmission assembly (including a power input unit and at least two power output units). The power input unit receives power from the drive device 14 and transmits the power to each first-stage guide column 12 through the power output unit to achieve synchronous rotation. This arrangement reduces the number of drive devices 14, simplifies the overall structure, and reduces manufacturing costs and complexity. In addition, the transmission assembly ensures that multiple first-stage guide columns 12 can rotate synchronously, which improves the coordination and efficiency of the locking and unlocking process.

[0053] In a further embodiment, a driving gear is provided on the output shaft of the driving device 14, and the transmission assembly includes a driven gear, a transmission shaft and at least two output gears. The driven gear is meshed with the driving gear on the output shaft of the driving device 14 to form a power input part. The transmission shaft is sleeved in the inner hole of the driven gear, and the transmission shaft can be installed on the vehicle-mounted base 11 through a bearing. At least two output gears are respectively sleeved on the outer circumference of the transmission shaft, and the two constitute at least two power output parts, and a gear is provided on the first-stage guide column 12, and the output gear is meshed with the gear on the first-stage guide column 12.

[0054] The above-mentioned driven gear serves as the power input part and meshes with the driving gear on the output shaft of the driving device 14. When the driving device 14 is started, the rotational power of the driving gear is transmitted to the driven gear through meshing, realizing the power input from the driving device 14 to the transmission component. The transmission shaft is a key component connecting the driven gear and the output gear. It is sleeved in the inner hole of the driven gear, ensuring that the driven gear can drive the transmission shaft to rotate together when it rotates. There are at least two output gears, which are respectively sleeved on the outer circumference of the transmission shaft, constituting the power output part of the transmission component. Each output gear meshes with the gear arranged on the first-stage guiding column 12, achieving the purpose of transmitting the rotational power on the transmission shaft to the first-stage guiding column 12. Through this meshing method, the driving device 14 can drive multiple first-stage guiding columns 12 to rotate synchronously.

[0055] With such a setting, when the driving device 14 is started, the driving gear on its output shaft begins to rotate. The rotational power of the driving gear is transmitted to the driven gear through meshing, causing the driven gear to start rotating. The rotation of the driven gear drives the transmission shaft sleeved in its inner hole to rotate together. The rotation of the transmission shaft is then transmitted to the gear on the first-stage guiding column 12 through the output gear sleeved on its outer circumference, thus realizing the synchronous driving of multiple first-stage guiding columns 12. The synchronous driving of multiple first-stage guiding columns 12 by the driving device 14 is achieved through the gear meshing method, ensuring the coordination and consistency of the locking and unlocking processes. Moreover, the transmission component adopts a compact gear transmission structure, reducing the occupied space and improving the flexibility of vehicle design.

[0056] In a further embodiment, the guiding inclined surface of the first-stage guiding column 12 includes a first guiding inclined surface 121 and a second guiding inclined surface 122. The first guiding inclined surface 121 is adapted to guide the movement of the battery box in the first direction, and the second guiding inclined surface 122 is adapted to guide the movement of the battery box in the second direction.

[0057] The first guiding inclined surface 121 and the second guiding inclined surface 122 are arranged on the first-stage guiding column 12, and the first guiding inclined surface 121 and the second guiding inclined surface 122 guide the movement of the battery box in different directions respectively. This design enables a single guiding column to undertake the guiding tasks in two directions, thereby reducing the number of required guiding columns and simplifying the overall structure.

[0058] In a further embodiment, the vehicle-mounted base 11 is set as a square structure, and the first-stage guiding columns 12 are set as four, and are respectively arranged at the four corner positions of the vehicle-mounted base 11.

[0059] The vehicle-mounted base 11 is arranged in a square structure, specifically, it can be a square frame formed by cross beams and longitudinal beams. The first-stage guide posts 12 are arranged at the four corners of the vehicle-mounted base 11. In some embodiments, the first-stage guide posts 12 can be made of square steel structures and are connected to the four corners of the vehicle-mounted base 11 by welding. Moreover, the first-stage guide posts 12 are arranged inside the vehicle-mounted base 11.

[0060] With such an arrangement, it can ensure that the battery box is evenly stressed during the movement and locking processes, avoiding the battery box from shifting or tilting due to uneven stress, and improving the accuracy and stability of locking. The first-stage guide posts 12 are arranged at the four corners of the vehicle-mounted base 11, making full use of the space of the vehicle-mounted base 11 and avoiding problems such as space waste or inconvenient layout of other components caused by arranging guide posts in the center or at the edge of the base. In addition, since the first-stage guide posts 12 are arranged at the corners of the vehicle-mounted base 11, during the subsequent maintenance or repair of the locking tongue device 13 on the first-stage guide posts 12, it is easier to access and inspect the locking tongue device 13, improving the convenience and efficiency of maintenance.

[0061] In a further embodiment, the frame of the vehicle-mounted base 11 includes adjacent first frame and second frame. The first guide slope 121 of the first-stage guide post 12 corresponds to the first frame, and the second guide slope 122 corresponds to the second frame. Moreover, the first direction of the first guide slope 121 is perpendicular to the first frame, and the second direction of the second guide slope 122 is perpendicular to the second frame.

[0062] For the battery box locking mechanism provided in this embodiment, the vehicle-mounted base 11 is arranged as a square frame, that is, it includes two pairs of adjacent frames. In an adjacent pair of frames, one is the first frame and the other is the second frame. The first guide slope 121 and the second guide slope 122 of the first-stage guide post 12 correspond to them, and the guiding directions are respectively perpendicular to their corresponding frames. The guiding direction of the first guide slope 121 is perpendicular to the first frame, and the guiding direction of the second guide slope 122 is perpendicular to the second frame. The first-stage guide posts 12 at the four corners have a total of eight guide slopes, and the eight guide slopes can respectively guide in the directions perpendicular to the respective frames of the square frame. When the battery box is inserted or removed, it can move along these clear guiding paths, reducing offset and shaking, and improving the accuracy and stability of locking.

[0063] In a further embodiment, the battery box locking mechanism further includes a limit seat 15, which is fixed on the vehicle-mounted base 11. Specifically, the limit seat 15 can be in a cube or cuboid structure and is connected to the vehicle-mounted base 11 by welding or casting. The first-stage guide post 12 is rotatably arranged on the limit seat 15, and the limit seat 15 is suitable for restricting the horizontal displacement of the battery box.

[0064] Specifically, the limit seat 15 can be provided with a guide post mounting hole, in which a bearing is arranged, and the first-stage guide post 12 is mounted on the limit seat 15 through the bearing. After the battery box is displaced along the guide post to the correct position on the vehicle-mounted base 11, the limit seat 15 can restrict the battery box in the horizontal direction, avoiding the displacement of the battery box in the horizontal direction and ensuring the stability of the battery box.

[0065] In a further embodiment, the battery box locking mechanism further includes a second-stage guide post 16, which is arranged on the vehicle-mounted base 11, and the top end of the second-stage guide post 16 is provided with a conical structure.

[0066] The cross-section of the second-stage guide post 16 can be set as a square or circular structure. The second-stage guide post 16 can be connected to the vehicle-mounted base 11 by means of welding or screwing, etc. The axial direction of the second-stage guide post 16 is parallel to the axial direction of the first-stage guide post 12, and the axial length of the second-stage guide post 16 can be shorter than the axial length of the first-stage guide post 12.

[0067] With such a setting, on the basis that the first-stage guide post 12 provides a basic guiding path for the battery box, the second-stage guide post 16 can further refine the guiding process. Especially when the battery box is close to the locking position, the second-stage guide post 16 can provide more accurate guidance to help the battery box enter the locking position accurately. The top end of the second-stage guide post 16 is provided with a conical structure, which helps the battery box to achieve a smooth transition during the movement. When the battery box contacts the conical top, its shape can guide the battery box to gradually adjust the direction, reducing sudden impacts and vibrations, thereby protecting the battery box and the locking mechanism from damage. The second-stage guide post 16 not only has a guiding function, but also can enhance the stability of the battery box in the locked state. When the battery box completely enters the locking position and is locked by the locking tongue device 13, the second-stage guide post 16 can serve as an additional support point to prevent the battery box from shaking or shifting during driving.

[0068] In a further embodiment, a plurality of second-stage guide posts 16 are provided, and the plurality of second-stage guide posts 16 are at least divided into a first row and a second row, and the second-stage guide posts 16 in the first row and the second-stage guide posts 16 in the second row are arranged in a staggered manner. For example, both the second-stage guide posts 16 in the first row and the second-stage guide posts 16 in the second row can be set to two, and the two second-stage guide posts 16 in the first row and the two second-stage guide posts 16 in the second row are arranged in a staggered manner, that is, asymmetrically arranged.

[0069] With such a setting, a plurality of second-stage guide posts 16 are provided, and the plurality of second-stage guide posts 16 can achieve the technical effect of secondary guiding. Moreover, since the second-stage guide posts 16 in the first row and the second-stage guide posts 16 in the second row are arranged in a staggered manner, an anti-fooling design is formed. That is, when the installation direction of the battery box is reversed, due to the anti-fooling function of the second-stage guide posts 16, during the process of putting the battery box in, the second-stage guide posts 16 cannot correspond to the guide holes on the battery box, and thus the battery box is restricted and cannot fall completely onto the vehicle-mounted base 11, avoiding the problem that the electrical connectors of the battery box are connected reversely with the electrical connectors 17 of the vehicle.

[0070] In a further embodiment, the battery box locking mechanism further includes an electrical connector 17. The electrical connector 17 is adapted to be electrically connected to the battery box. The electrical connector 17 is provided with a third-stage guiding structure, and the electrical connector 17 is disposed at the middle position of the vehicle-mounted base 11.

[0071] The electrical connector 17 can realize the connection of the strong electricity and / or weak electricity between the battery box and the vehicle. The electrical connector 17 is provided on the vehicle-mounted base 11 for connecting with the electrical connector of the battery box. In this embodiment, the electrical connector 17 is provided with a third-stage guiding structure, and the third-stage guiding structure can be set as the flared structure at the upper end of the electrical connector 17. When the electrical connector of the battery box is docked with the electrical connector 17 on the vehicle-mounted base 11, the third-stage guiding structure can play a further guiding role to ensure that the electrical connector of the battery box is completely aligned with the electrical connector 17 on the vehicle-mounted base 11, so as to ensure the stability of the electrical connection between the two.

[0072] The embodiment of the present invention also provides an electric vehicle, including the battery box locking mechanism described in any one of the above embodiments. With such a setting, the electric vehicle provided in this embodiment can solve or improve the problems that the battery box locking mechanism occupies a large space and is not convenient for installation and arrangement. The derivation process of this beneficial effect is generally similar to the derivation process of the beneficial effect brought by the above battery box locking mechanism, and will not be elaborated here.

[0073] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A battery box locking mechanism, characterized in that: include: A vehicle-mounted base (11), suitable for carrying a battery box; A first-stage guide column (12) is rotatably arranged on the vehicle-mounted base (11), and a guide slope is arranged on the top of the first-stage guide column (12), and the guide slope is suitable for guiding the movement of the battery box; A locking tongue device (13) is arranged on the side wall of the first-stage guide column (12); The driving device (14) is suitable for driving the first-stage guide column (12) to rotate, so that the first-stage guide column (12) drives the locking tongue device (13) to rotate and switch between a locking position and an unlocking position.

2. The battery box locking mechanism according to claim 1, characterized in that: The first-stage guide column (12) and the driving device (14) are both provided in plurality, and the driving device (14) is transmission-connected to the first-stage guide column (12) in a one-to-one correspondence; Alternatively, it further comprises a transmission assembly, wherein the transmission assembly comprises a power input part and at least two power output parts, wherein the power input part is connected to the driving device (14), and each of the power output parts is connected to the first-stage guide column (12) in a one-to-one correspondence; and the driving device (14) is suitable for driving at least two of the first-stage guide columns (12) to rotate synchronously through the transmission assembly.

3. The battery box locking mechanism according to claim 2, characterized in that: The output shaft of the driving device (14) is provided with a driving gear, and the transmission assembly comprises: A driven gear meshing with the driving gear to constitute the power input part; A transmission shaft, sleeved in the inner hole of the driven gear; At least two output gears are respectively sleeved on the outer circumference of the transmission shaft, and the two constitute at least two power output parts. The first-stage guide column (12) is provided with a gear, and the output gear is meshed with the gear on the first-stage guide column (12).

4. The battery box locking mechanism according to claim 1, characterized in that: The guiding slope comprises a first guiding slope (121) and a second guiding slope (122), wherein the first guiding slope (121) is suitable for guiding the battery box to move along a first direction, and the second guiding slope (122) is suitable for guiding the battery box to move along a second direction.

5. The battery box locking mechanism according to claim 4, characterized in that: The vehicle-mounted base (11) is configured as a square structure, and the number of first-stage guide columns (12) is four and they are respectively disposed at four corner positions of the vehicle-mounted base (11).

6. The battery box locking mechanism according to claim 1, characterized in that: Also includes: The limit seat (15) is fixed on the vehicle-mounted base (11); the first-stage guide column (12) is rotatably arranged on the limit seat (15); and the limit seat (15) is suitable for limiting the horizontal displacement of the battery box.

7. The battery box locking mechanism according to claim 1, characterized in that: Also includes: A second-stage guide column (16) is arranged on the vehicle-mounted base (11), and a top end of the second-stage guide column (16) is arranged as a conical structure.

8. The battery box locking mechanism according to claim 7, characterized in that: The second-stage guide columns (16) are arranged in plurality, and the plurality of second-stage guide columns (16) are divided into at least a first row and a second row, and the second-stage guide columns (16) in the first row are arranged in a staggered manner with the second-stage guide columns (16) in the second row.

9. The battery box locking mechanism according to claim 7, characterized in that: Also includes: The electrical connector (17) is suitable for being electrically connected to the battery box. The electrical connector (17) is provided with a third-level guide structure. The electrical connector (17) is arranged at a middle position of the vehicle-mounted base (11).

10. An electric vehicle, characterized in that: Including the battery box locking mechanism as described in any one of claims 1-9.

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