Electric vehicle

Abstract

The application provides an electric vehicle, comprising a vehicle body, a battery hanger connected to the vehicle body, a plurality of vehicle end locking mechanisms connected to both sides of the battery hanger along the width direction of the vehicle body and / or both sides along the length direction and arranged at intervals, and a battery pack having a plurality of battery end locking mechanisms matched with the plurality of vehicle end locking mechanisms, wherein the plurality of battery end locking mechanisms are hung with the plurality of vehicle end locking mechanisms along the vertical direction to connect the battery pack to the bottom of the battery hanger. The battery end locking mechanism cooperates with the vehicle end locking mechanism to hang the battery pack to the battery hanger along the vertical direction, the vertical hanging connection mode enables the battery replacement device to only lift the battery pack to a predetermined height below the battery hanger along the vertical direction, simplifies the positioning mode of the battery pack installation, makes the connection of the battery pack and the battery hanger more firm, saves the battery pack installation time and reduces the operation cost of the battery pack installation or disassembly.

Description

[0001] This application claims priority to Chinese Patent Application No. 2021116067637, filed on December 26, 2021, regarding a first battery swapping system for electric vehicles. The entire contents of the aforementioned Chinese patent application are incorporated herein by reference. Technical Field

[0002] This invention relates to the field of vehicle battery swapping technology, and in particular to an electric vehicle. Background Technology

[0003] Currently, for electric vehicles, the battery pack is generally fixedly connected to the vehicle body, and the electric vehicle replenishes its energy through charging. Alternatively, a quick-swap connection can be used, allowing the electric vehicle to replenish its energy by swapping the battery pack. Because charging is time-consuming, quick-swap is more convenient and increasingly valued. However, for electric vehicles using quick-swap, especially in heavy-duty trucks and other large vehicles, a top-mounted battery swapping method is typically used. This involves hoisting the battery pack onto the electric vehicle and placing it above the vehicle's beam. Due to the battery pack's weight, to improve connection stability, it needs to be fixedly connected to the beam after swapping. This is achieved by connecting all parts of the battery pack to the beam, including the top, bottom, and sides, to prevent movement and ensure a more secure connection between the battery pack and the vehicle body.

[0004] The overhead battery swapping system requires a large space to ensure the proper operation of the lifting equipment for hoisting the battery pack. Secondly, the complex connection process between the vehicle beam and the battery pack due to the numerous connection points increases the battery swapping time and reduces efficiency. Finally, after the battery pack is fixedly connected to the vehicle beam, the vehicle body torsion caused by steering or bumps is directly transmitted to the battery pack bracket and battery pack through the rigid connection, which in turn affects the connection between the battery pack and the battery pack bracket. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the defects in the prior art and provide an electric vehicle.

[0006] The present invention solves the above-mentioned technical problems through the following technical solution:

[0007] An electric vehicle, comprising:

[0008] vehicle body,

[0009] Battery mounting bracket, connected to the vehicle body.

[0010] Multiple vehicle-end locking mechanisms are connected to both sides of the battery mounting bracket along the width direction and / or the length direction of the vehicle body, and are spaced apart.

[0011] The battery pack has multiple battery end locking mechanisms that match the multiple vehicle end locking mechanisms, and the multiple battery end locking mechanisms are connected to the bottom of the battery bracket by being engaged with the multiple vehicle end locking mechanisms in a vertical direction.

[0012] The battery-end locking mechanism of this electric vehicle cooperates with the vehicle-end locking mechanism to vertically attach the battery pack to the bottom of the battery rack. This vertical attachment method allows the battery swapping equipment to simply lift the battery pack vertically to a predetermined height below the battery rack, simplifying the battery pack installation and improving swapping efficiency. Simultaneously, the vehicle-end locking mechanisms, spaced apart along the length and / or width directions, limit the battery pack's position along the X-axis (length) and / or Y-axis (width) of the vehicle body while attaching it. After the battery pack is lifted into position by the swapping equipment, the vehicle-side locking mechanism located on the side of the vehicle body engages with the battery-side locking mechanism to secure it. This means that the battery pack's X-axis and / or Y-axis limits are simultaneously achieved after engagement, improving the stability of the battery pack after engagement. Based on the simplified battery pack installation method, the battery pack's X-axis and / or Y-axis limits are achieved, simplifying the structure that would otherwise require additional limit components after the battery pack is fixedly connected. This saves battery pack installation time and reduces the operating costs of battery pack installation or disassembly.

[0013] Preferably, a plurality of the battery end locking mechanisms are disposed on the side of the battery pack, and / or a plurality of the battery end locking mechanisms are disposed on the top surface of the battery pack.

[0014] When the battery-end locking mechanism is located on the top surface of the battery pack, that is, along the width and / or length direction of the battery pack, the battery-end locking mechanism is positioned at a predetermined distance extending inward from the top edge of the battery pack. The locking positions of the vehicle-end locking mechanism and the battery-end locking mechanism are located on the top surface of the battery pack. This design prevents the battery pack width from increasing due to the battery-end locking mechanism. Secondly, the battery-end locking mechanism and the vehicle-end locking mechanism are directly aligned, facilitating the replacement of the battery pack by the battery swapping equipment. Thirdly, it makes it possible to reduce the size of the battery mount, which is beneficial for the size control of the battery mount and the battery pack. In addition, the above structure also makes the distance between the battery-end locking mechanisms smaller, making it easier to ensure the accuracy of the battery pack connection, which is more conducive to the smooth connection of the battery pack, thereby improving the battery swapping efficiency.

[0015] When the battery-side locking mechanism is located on the side of the battery pack, it does not occupy space in the height direction of the battery pack, which helps to ensure the height of the bottom of the electric vehicle body relative to the ground. Furthermore, placing the locking position on the side provides more operating space and facilitates reliable locking and unlocking of the battery pack. The battery-side locking mechanism can be located on both sides of the battery pack along its length, both sides along its width, or both sides simultaneously, offering flexibility in placement and adjustment based on the actual locking or layout. Additionally, when the battery-side locking mechanism is located on the side of the battery pack, it can work in conjunction with the vehicle-side locking mechanism to position the battery pack along the X-axis (length direction) and / or Y-axis (width direction) of the vehicle body, thus preventing the battery pack from shifting after being connected to the electric vehicle.

[0016] By placing the battery-end locking mechanism on both the top and side of the battery pack, it can better limit the battery pack's position and make the locking more reliable.

[0017] Preferably, the battery mount includes a mount body connected to the vehicle body, and a plurality of vehicle-end locking mechanisms are directly connected to the mount body or connected to the mount body via an adapter. The adapter extends downward from the mount body, and the adapter and the mount body are an integral structure, or the adapter is detachably connected to the mount body.

[0018] The aforementioned structural design uses the mounting bracket body to match the vehicle body, thereby improving the stability of the battery mounting bracket. The vehicle-end locking mechanism can be directly connected to the mounting bracket body or connected to it via an adapter bracket. This ensures that the battery pack is vertically mounted on the battery mounting bracket and further vertically connected to the vehicle body. When the vehicle-end locking mechanism is directly connected to the mounting bracket body, the battery mounting bracket structure is simple and easy to manufacture. When using an adapter bracket, the downward-extending adapter bracket can provide a certain degree of restraint for the battery pack, thereby improving the stability of the battery pack after mounting.

[0019] Preferably, the adapter forms a receiving area for surrounding the battery pack, with at least a portion of the battery pack located within the receiving area in the vertical direction.

[0020] The above-mentioned structure forms a receiving area through the adapter frame. In the height direction, the receiving area at least partially surrounds the battery pack. The battery pack located in the receiving area is limited around its perimeter by the receiving area, which improves the connection stability of the battery pack after it is attached to the battery hanger.

[0021] Preferably, the battery end locking mechanism is disposed on the side of the battery pack, and the battery end locking mechanism is spaced at a predetermined distance from the top surface of the battery pack;

[0022] The bottom end of the adapter is provided with a mounting groove, and the vehicle end locking mechanism is disposed in the mounting groove. The vehicle end locking mechanism has a vertically arranged locking groove with an opening facing downward. The mounting groove has at least one clearance groove on the side wall facing the battery pack for avoiding the locking groove.

[0023] The aforementioned structural design, with the battery-side locking mechanism positioned at a predetermined distance from the top of the battery pack on its side, combined with the adapter bracket's restraint on the battery pack, reduces the impact of battery pack swaying (e.g., during vehicle acceleration or sudden braking) on ​​the locking point, thus ensuring locking reliability. By placing the vehicle-side locking mechanism within the mounting slot at the bottom of the adapter bracket, the reliability and stability of fixing the vehicle-side locking mechanism are improved, thereby enhancing locking reliability and stability. Furthermore, this design reduces the locking mechanism's encroachment on lateral space, resulting in a more compact structure. The vertically positioned, downward-facing locking slot facilitates vertical connection between the battery-side locking mechanism and the vehicle-side locking mechanism. The inclusion of clearance slots prevents situations where the battery-side locking mechanism cannot connect with the vehicle-side locking mechanism, improving the battery pack's connection success rate.

[0024] Preferably, a guiding mechanism is provided between the adapter and the battery pack. The guiding mechanism includes a guide block and a guide surface. The guide block is disposed on the side of the battery pack, and the guide surface is formed on the side surface of the adapter facing the battery pack.

[0025] The above-described structure improves the hanging accuracy, success rate, and speed of battery pack attachment by forming a guide surface on the side of the adapter facing the battery pack to guide the battery pack to be hung vertically. In addition, this design also helps to reduce the lateral dimensions. The side of the battery pack is provided with a guide block that serves the same function as the guide surface. The guide block and the guide surface guide the battery pack when it is hung on the battery rack, making the battery pack hanging smoother.

[0026] Preferably, the side of the battery pack is provided with a buffer mechanism corresponding to the bottom end of the adapter frame. The buffer mechanism is located below the battery end locking mechanism and includes a buffer member that can elastically deform in the vertical direction.

[0027] The aforementioned structural design mitigates the impact between the adapter and the battery pack, as well as between the vehicle-side locking mechanism and the battery-side locking mechanism, during battery pack attachment. Furthermore, the buffer mechanism reduces battery pack swaying during vehicle movement after attachment, contributing to the reliability and stability of the locking mechanism. Positioning the buffer mechanism at the bottom of the adapter does not require additional lateral space. The buffer mechanism can be installed continuously around the side of the battery pack or intermittently. When installed continuously around the side of the battery pack, an unlocking hole should be provided to prevent interference with unlocking.

[0028] Preferably, the bottom end of the adapter frame points towards the top surface of the battery pack, and the adapter frame is correspondingly provided with the battery end locking mechanism disposed on the top surface of the battery pack.

[0029] The above structural configuration, by placing the battery-end locking mechanism on the top surface of the corresponding battery pack of the adapter, ensures that the locking position is located on the top surface of the battery pack. Preferably, multiple vehicle-end locking mechanisms are connected to both sides of the battery mount along the length direction (X direction) of the vehicle body. While considering the dimensions of the battery mount in the width direction of the vehicle, the vehicle-end locking mechanism can be effectively installed along the length direction of the vehicle body beam, resulting in more reliable locking.

[0030] Preferably, the adapter includes a connecting plate detachably connected to the bracket body via a connector and a vertical plate extending downward from the connecting plate, wherein at least one side of the vertical plate is provided with the vehicle end locking mechanism.

[0031] The vehicle end locking mechanism has a vertically arranged locking groove with an opening facing downwards, and the upright plate has an avoidance groove that matches the locking groove.

[0032] The above-described structure uses a downward-extending vertical plate to vertically position the vehicle-end locking mechanism, and a connecting plate and connectors to detachably connect the adapter frame and the mounting bracket body. This reduces the processing difficulty of the battery mounting bracket and lowers the precision requirements for its processing. The vertical plate connects to the connecting plate and supports the vehicle-end locking mechanism to vertically mount the battery pack onto the adapter frame. By providing clearance grooves on the vertical plate to prevent interference with battery pack mounting when the vehicle-end locking mechanism engages with the battery-end locking mechanism, the success rate of battery pack mounting is improved.

[0033] Preferably, the vehicle-end locking mechanism is provided at corresponding positions on both sides of the upright plate, and the two vehicle-end locking mechanisms are connected to one battery-end locking mechanism.

[0034] The above structural design improves the connection stability of the battery pack after it is attached to the adapter frame by increasing the number of vehicle-end locking mechanisms on the upright plate. Both vehicle-end locking mechanisms are connected to one battery-end locking mechanism. Without increasing the number and complexity of the battery-end locking mechanism structure, the number of connection points between the vehicle-end connection structure and the battery-end connection mechanism is increased, which improves the uniformity of force distribution and reliability of the battery-end locking mechanism, thus making the battery pack more secure after it is attached.

[0035] Preferably, the battery-end locking mechanism includes a locking shaft, and two support plates are erected on the top surface of the battery pack. The two support plates are arranged side by side with a gap between them, and the locking shaft is connected between the two support plates. The locking shaft is used to hook and connect with the vehicle-end locking mechanism.

[0036] The above-mentioned structural configuration, by setting two support plates and placing a locking shaft between the two support plates, facilitates the cooperation between the vehicle-end locking mechanism and the locking shaft, improves the reliability of the connection between the locking shaft and the battery pack, and enhances the stability of the force on the locking shaft when the battery pack is attached to the battery bracket. When the vehicle-end locking mechanism is set on both sides of the upright plate of the adapter frame, the locking shaft cooperates with the vehicle-end locking mechanisms on both sides, thereby improving the uniformity of force on the battery-end locking mechanism, and further improving the uniformity of force and connection stability when the battery pack is attached to the adapter frame.

[0037] Preferably, the battery pack has a protrusion that extends upward from the side of the vehicle body and protrudes from the bottom of the vehicle body, and the mounting bracket body is provided with a clearance hole or clearance cavity that matches the protrusion.

[0038] In the above-mentioned structural configuration, the protrusion is used to increase the capacity of the battery pack. By extending upward, the space in the height direction is effectively utilized to increase the internal space of the battery pack. The bracket body is provided with a clearance hole or clearance cavity corresponding to the protrusion to avoid possible interference between the bracket body and the battery pack.

[0039] Preferably, the vehicle body includes two parallel and spaced longitudinal beams, and the protrusion is formed on the outer side of the two longitudinal beams and / or between the two longitudinal beams.

[0040] The above-mentioned structural design can make full use of the height space on the side of the vehicle's longitudinal beams to increase battery capacity. In addition, it can also be applied to electric vehicles with low chassis, thus expanding the applicability of the battery pack.

[0041] Preferably, the top of the battery pack is provided with a battery end electrical connector, and the corresponding position of the bracket body is provided with a vehicle end electrical connector, and the battery end electrical connector and the vehicle end electrical connector are plugged into each other in the vertical direction.

[0042] The above-mentioned structural setup achieves electrical connection while the battery pack is vertically mounted by inserting the battery-side electrical connector and the vehicle-side electrical connector together. It also eliminates the need for complex mechanical structures, making the electrical connection more reliable and improving battery swapping efficiency.

[0043] Preferably, the electric vehicle is an electric truck.

[0044] In the aforementioned technical solutions, the battery packs of electric trucks are large and heavy, making the connection with the longitudinal beams of the truck body more cumbersome and complex. This results in a larger space required for battery swapping, and the increased torque caused by the torsion of the electric truck due to cargo loading further impacts the battery pack. Therefore, vertically mounting the battery pack reduces swapping steps, simplifies the swapping process, improves swapping efficiency, and effectively enhances the connection stability of the battery pack through battery mounts.

[0045] The positive and progressive effects of this invention are as follows: This invention uses a battery-end locking mechanism that cooperates with a vehicle-end locking mechanism to vertically attach the battery pack to the battery rack. This vertical attachment method allows the battery swapping equipment to simply lift the battery pack vertically to a predetermined height below the battery rack, simplifying the battery pack installation and positioning process and improving swapping efficiency. Simultaneously, the vehicle-end locking mechanisms, spaced apart along the length and / or width directions, simultaneously attach the battery pack and position it along the vehicle body in the X-direction (length direction) and / or Y-direction (width direction). After the battery pack is lifted into position by the swapping equipment, the vehicle-side locking mechanism located on the side of the vehicle body engages with the battery-side locking mechanism to secure it. This means that the battery pack's X-axis and / or Y-axis limits are simultaneously achieved after engagement, improving the stability of the battery pack after engagement. Based on the simplified battery pack installation method, the engagement connection method achieves the battery pack's X-axis and / or Y-axis limits, simplifying the structure that would otherwise require additional limit components after the battery pack is fixedly connected. This saves battery pack installation time and reduces the operating costs of battery pack installation or disassembly. Attached Figure Description

[0046] Figure 1 This is a schematic diagram of the structure of the electric vehicle according to Embodiment 1 of the present invention.

[0047] Figure 2 This is a schematic diagram of the battery holder and battery pack connection in Embodiment 1 of the present invention.

[0048] Figure 3 This is a schematic diagram showing the positional relationship of the vehicle-end locking mechanism of the battery mount in Embodiment 1 of the present invention.

[0049] Figure 4 for Figure 3 A partial enlarged view of the vehicle-end locking mechanism.

[0050] Figure 5 This is a schematic diagram showing the positional relationship of the battery end locking mechanism of the battery pack in Embodiment 1 of the present invention.

[0051] Figure 6 This is a schematic diagram showing the positional relationship of the guide blocks in Embodiment 1 of the present invention.

[0052] Figure 7 This is an exploded view of the structure of the adapter and hanger body in Embodiment 2 of the present invention.

[0053] Figure 8 This is a schematic diagram of the receiving area of ​​the adapter frame in Embodiment 2 of the present invention.

[0054] Figure 9 This is a schematic diagram showing the positional relationship between the battery-side electrical connector and the vehicle-side electrical connector in Embodiment 1 of the present invention.

[0055] Figure 10This is a schematic diagram of the battery holder and battery pack connection state in Embodiment 3 of the present invention.

[0056] Figure 11 This is a schematic diagram showing the positional relationship between the adapter frame and the vehicle-end locking mechanism in Embodiment 3 of the present invention.

[0057] Figure 12 This is a schematic diagram showing the positional relationship of the support plate of the battery-end locking mechanism in Embodiment 3 of the present invention.

[0058] Figure 13 This is a schematic diagram of the locked state of the vehicle-end locking mechanism of the present invention.

[0059] Figure 14 This is a schematic diagram of the unlocked state of the vehicle-end locking mechanism of the present invention.

[0060] Explanation of reference numerals in the attached figures:

[0061] Electric vehicles 100

[0062] Vehicle body 10

[0063] Battery holder 20

[0064] Body longitudinal beam 30

[0065] Vehicle-end locking mechanism 40

[0066] Locking component 401

[0067] Stopping component 402

[0068] Channel 403

[0069] Stop claw 4021

[0070] Substrate 404

[0071] Battery end locking mechanism 50

[0072] Battery pack 60

[0073] Guiding mechanism 70

[0074] Buffer mechanism 80

[0075] Adapter 1

[0076] Hanging bracket body 2

[0077] Accommodation Area 3

[0078] Battery Box 4

[0079] Flange 5

[0080] Mounting slot 6

[0081] Avoidance slot 7

[0082] Guide block 8

[0083] Guide surface 9

[0084] 11 clearance hole

[0085] Battery terminal connector 12

[0086] Vehicle-side electrical connector 13

[0087] Connecting plate 14

[0088] 15 uprights

[0089] Support plate 16

[0090] Unlock hole 17

[0091] X-direction of the body longitudinal beam

[0092] The width direction Y of the body longitudinal beam Detailed Implementation

[0093] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0094] Example 1

[0095] This embodiment provides an electric vehicle 100, such as Figure 1 As shown, the electric vehicle 100 includes a body 10, a battery mount 20, and a battery pack 60. The battery mount 20 is connected to the body 10. Furthermore, the body 10 of the electric vehicle 100 has two parallel longitudinal beams 30 arranged in the front-rear direction for connecting the main components of the electric vehicle 100, such as the suspension and wheels. The battery mount 20 is also installed below these two longitudinal beams 30. Additionally, the battery pack 60 is vertically attached to the lower surface of the battery mount 20 to facilitate quick replacement of the battery pack 60 from below the electric vehicle 100, making battery pack 60 replacement faster and more convenient. In this embodiment, the battery mount 20 is a frame structure welded from profiles. Each end locking mechanism 40 is located on the lower surface of the battery mount 20 and is vertically locked to the battery end locking mechanism 50 of the battery pack 60, so that the battery pack 60 is located at the bottom of the battery mount 20 and connected or disconnected relative to the battery mount 20, achieving the purpose of battery replacement. For the battery holder 20, other materials can be selected according to actual needs, such as sheet metal or square tubing, and it is not limited to profiles.

[0096] Furthermore, by placing the battery pack 60 at the bottom of the battery mount 20 and connecting the battery pack 60, when the electric vehicle 100 is swapping batteries, the battery pack 60 only needs to be lifted to a predetermined height by the battery swapping equipment (not shown in the figure), which greatly simplifies the battery swapping steps of the electric vehicle 100, improves the battery swapping efficiency, and ensures the connection stability between the battery pack 60 and the battery mount 20.

[0097] In addition, multiple vehicle-end locking mechanisms 40 are arranged on both sides of the longitudinal beam 30 along the width and / or length direction and are spaced apart. The battery-end locking mechanism 50 is located on the side of the battery pack 60 and is used to cooperate with the vehicle-end locking mechanism 40. When the vehicle-end locking mechanism 40 is arranged along the width direction of the longitudinal beam 30, that is, the vehicle-end locking mechanism 40 is arranged in the Y direction, it can not only achieve vertical connection with the battery-end locking mechanism 50 of the battery pack 60 through the vehicle-end locking mechanism 40, but also in the Y direction, the battery-end locking mechanisms 50 located on both sides of the battery pack 60 are limited by the vehicle-end locking mechanism 40. That is to say, the battery pack 60 is limited in the Y direction by the battery bracket 20. In other words, the Y-direction limitation of the battery pack 60 is also realized simultaneously after the connection, which improves the stability of the battery pack 60 after connection.

[0098] It is understandable that when the vehicle-end locking mechanism 40 is set along the length of the vehicle body longitudinal beam 30, that is, the vehicle-end locking mechanism 40 is set in the X direction, the battery pack 60 can be limited by the battery bracket 20 in the X direction. The vehicle-end locking mechanism 40, which is set at intervals along the length and / or width direction of the vehicle body longitudinal beam 30, enables the battery pack 60 to be attached and positioned in the X and / or Y directions at the same time. After the battery pack 60 is lifted into place by the battery swapping equipment, the vehicle-end locking mechanism 40 located on the side of the vehicle body longitudinal beam 30 is attached to the battery-end locking mechanism 50 to achieve fixation. At the same time, the limitation of the battery pack 60 in the X and / or Y directions is also achieved simultaneously after attachment. Based on the simplification of the battery pack 60 installation by the attachment connection method, the structure of the battery pack 60 that requires additional limiting components after fixed connection is simplified, saving the battery pack 60 installation time and reducing the operating cost of battery pack 60 installation or disassembly.

[0099] like Figure 5 , Figure 6As shown in the figure, in this embodiment, the battery pack 60 has a rectangular structure and the side of the battery pack 60 is a vertically arranged plate structure. The battery end locking mechanism 50 includes a locking shaft. The locking shafts of multiple battery end locking mechanisms 50 are arranged horizontally on the plate structure and extend outward. One end of the locking shaft is fixedly connected to the side of the battery pack 60 by bolts or pins. Furthermore, in this embodiment, one end of the locking shaft is a free end and the other end is a fixed end. The fixed end is provided with a flange-type locking shaft mounting part and multiple mounting holes. The locking shaft is fixed to the side of the battery pack 60 by bolts or pins passing through the mounting holes. The vehicle end locking mechanism 40 has a locking groove arranged vertically and opening downward. The locking shaft moves vertically with the battery pack 60 and enters the locking groove, where it is locked by the vehicle end locking mechanism 40. Alternatively, the vehicle end locking mechanism 40 unlocks, and the locking shaft disengages from the locking groove with the battery pack 60, so as to realize the vertical attachment or removal of the battery pack 60 for battery swapping operations. For example, during battery swapping, when the battery pack 60 needs to be installed on the electric vehicle 100, the battery swapping equipment lifts the battery pack 60 vertically, and the locking shaft on the battery pack 60 slides vertically into the locking groove. The vehicle-end locking mechanism 40 locks the locking shaft in the locking groove. When the battery pack 60 needs to be removed from the electric vehicle 100, the unlocking structure on the battery swapping equipment unlocks the vehicle-end locking mechanism 40, and the locking shaft can descend vertically with the battery swapping equipment and disengage from the locking groove. When the battery-end locking mechanism 50 is located on the side of the battery pack 60, the vehicle-end locking mechanism 40 is directly attached to the side of the battery pack 60, allowing the top surface of the battery pack 60 to be raised, thereby increasing the capacity of the battery pack 60, without occupying the space in the height direction of the battery pack 60. This ensures that the battery swapping equipment can lift the battery pack 60 in the height direction during the battery swapping process, achieving smooth battery swapping.

[0100] Furthermore, placing the locking position on the side of the battery pack 60 provides ample operational space during battery swapping and facilitates reliable locking and unlocking of the battery pack 60. The battery-end locking mechanism 50 can be positioned on both sides of the battery pack 60 along its length, on both sides of its width, or simultaneously; its placement is flexible and can be adjusted according to the actual locking or arrangement method. In this embodiment, as... Figures 2-3 and Figures 5-6 As shown, the battery end locking mechanism 50 is simultaneously provided on both sides of the battery pack 60 in the length and width directions, that is, the battery end locking mechanism 50 is provided on all four sides of the battery pack 60.

[0101] Furthermore, the bottom end of the adapter frame 1 is provided with a mounting groove 6. The mounting groove 6 is a rectangular groove and has multiple corresponding to the vehicle end locking mechanism 40. The vehicle end locking mechanism 40 is located in the mounting groove 6, and the side wall of the adapter frame 1 is provided with a clearance groove 7 corresponding to the locking groove of the vehicle end locking mechanism 40. The clearance groove 7 is connected to the locking groove of the vehicle end locking mechanism 40, and the size of the clearance groove 7 is not smaller than the size of the locking groove. The opening of the clearance groove 7 is set downward and the opening of the clearance groove 7 penetrates the bottom edge of the adapter frame 1. Thus, when the battery pack 60 is hung on the battery bracket 20, the locking shaft slides into the locking groove through the clearance groove 7, realizing the cooperation between the vehicle end locking mechanism 40 and the battery end locking mechanism 50. This ensures that the battery pack 60 is hung vertically on the adapter frame 1 and then on the battery bracket 20, which helps to enhance the reliability and stability of the locking, and can also reduce the encroachment of the vehicle end locking mechanism 40 on the lateral space, making the structure more compact. By providing a clearance groove 7 to prevent the battery-side locking mechanism 50 from failing to engage with the vehicle-side locking mechanism 40, the engagement success rate of the battery pack 60 is improved. In this embodiment, the clearance groove 7 is formed on the side wall of the mounting groove 6 facing the battery pack 60. In other optional embodiments, the clearance groove 7 can also be formed on the inner and outer side walls of the mounting groove 6. In this embodiment, the locking shaft of the battery-side locking mechanism 50 is set on the side of the battery pack 60, and the locking shaft of the battery-side locking mechanism 50 is spaced at a preset distance from the top surface of the battery pack 60. With the adapter frame 1 limiting the battery pack 60, the impact of the battery pack 60's shaking (such as vibration generated during vehicle acceleration or sudden braking) on ​​the locking point can be reduced, which is beneficial to ensuring the reliability of locking. The locking shaft can be set at the middle position of the side of the battery pack 60, or below the middle position of the top surface of the battery pack 60, thereby improving the limiting of the battery pack 60 and further improving the reliability of locking.

[0102] Furthermore, the battery mount 20 includes a mount body 2 connected to the vehicle body longitudinal beam 30. The mount body 2 has a recessed groove for the vehicle body longitudinal beam 30 to pass through. The groove fits against the vehicle body longitudinal beam 30. The side of the vehicle body longitudinal beam 30 is fixedly connected to the inner wall of the groove of the mount body 2. This reduces the swaying of the mount body 2 along the width direction of the vehicle body longitudinal beam 30 and improves the stability of the mount body 2.

[0103] In this embodiment, as Figure 3 , Figure 4As shown, when the vehicle-end locking mechanism 40 is connected to the bracket body 2 via the adapter frame 1, the adapter frame 1 extends downward from the bracket body 2 and the vehicle-end locking mechanism 40 is located at the lower end of the adapter frame 1. This is used to cooperate with the battery-end locking mechanism 50 on the side of the battery pack 60, so that the battery pack 60 is vertically hung on the battery bracket 20. In addition, the adapter frame 1 forms a frame along the side of the battery pack 60. The frame is a rectangular structure composed of profiles and has a certain height to limit the position of the battery pack 60 within the frame. This design achieves limiting of the battery pack 60 during and after attachment, and facilitates the extension of the end of the adapter 1 to the side of the battery pack 60 to cooperate with the battery end locking mechanism 50. A portion of the battery pack 60 along its height direction is located within the frame after attachment; that is, after attachment, part of the battery pack 60 is located within the frame formed by the adapter 1. The frame restricts the side of the battery pack 60 to achieve limiting of the battery pack 60, thereby improving the stability of the battery pack 60 after attachment. In other optional embodiments, the vehicle end locking mechanism 40 can be directly connected to the bracket body 2. In this case, the vehicle end locking mechanism 40 is set vertically downwards and cooperates with the battery end locking mechanism 50 on the battery pack 60 to ensure that the battery pack 60 is vertically attached to the battery bracket 20 and further vertically connected to the vehicle body 10. Furthermore, when the vehicle end locking mechanism 40 is directly connected to the bracket body 2, the structure of the battery bracket 20 is simpler, easier to manufacture, and lower in cost.

[0104] In this embodiment, the adapter frame 1 and the hanger body 2 are integrally formed. The structural strength between the integrally formed adapter frame 1 and the hanger body 2 is guaranteed, which enables it to support and hang a larger battery pack 60. In addition, the integral forming makes the assembly between the vehicle end locking mechanism 40 and the battery hanger 20 more convenient. The vehicle end locking mechanism 40 can be connected to the battery hanger 20 simply by connecting the vehicle end locking mechanism 40 to the adapter frame 1. The battery end locking mechanism 50 of the battery pack 60 cooperates with the vehicle end locking mechanism 40 to achieve the connection between the battery pack 60 and the battery hanger 20.

[0105] Understandably, the adapter frame 1 restricts the position of the battery pack 60 after it is attached to the battery mount 20 by forming a frame. The middle part of the frame forms a receiving area 3 for surrounding the battery pack 60. When the depth of the receiving area 3 is greater than or equal to the thickness of the battery pack 60, the adapter frame 1 completely surrounds the battery pack 60 within the receiving area 3. That is, the battery pack 60 is restricted by the adapter frame 1 along both the X and Y directions of the vehicle body longitudinal beam 30, thereby limiting the battery pack 60 after it is attached to the battery mount 20 to prevent it from moving. When the depth of the receiving area 3 is less than the thickness of the battery pack 60, part of the battery pack 60 is surrounded by the receiving area 3. That is, the part of the battery pack 60 corresponding to the receiving area 3 is restricted by the adapter frame 1 along both the X and Y directions of the vehicle body longitudinal beam 30. This also limits the battery pack 60 and improves the connection stability of the battery pack 60 after it is attached to the battery mount 20.

[0106] like Figure 3 , Figure 4 As shown, in this embodiment, the locking shaft of the battery end locking mechanism 50 is arranged horizontally on the side of the battery pack 60, and the locking shaft is a certain preset distance from the top surface of the battery pack 60. This preset distance is the hanging distance required for the battery pack 60 to be hung on the battery bracket 20. The distance of the vehicle end locking mechanism 40 on the corresponding adapter 1 from the bracket body 2 matches the hanging distance. At this time, the part of the battery pack 60 in the receiving area matches the receiving area, which can reduce the waste of space in the vertical direction.

[0107] In addition, such as Figures 5-6As shown, in this embodiment, a buffer mechanism 80 is provided on the side of the battery pack 60 corresponding to the bottom end of the adapter frame 1. The buffer mechanism 80 is located below the battery end locking mechanism 50 and includes a buffer member that can elastically deform in the vertical direction. The buffer mechanism 80 can be made of rubber, but other materials such as sponge can also be used, which is existing technology and will not be elaborated on here. By setting the buffer mechanism 80, the impact between the adapter frame 1 and the battery pack 60, and between the vehicle end locking mechanism 40 and the battery end locking mechanism 50, is reduced when the battery pack 60 is attached. In addition, the buffer mechanism 80 can also reduce the shaking of the battery pack 60 during the movement of the electric vehicle 100 after it is attached, which is beneficial to the reliability and stability of the locking. Setting the buffer mechanism 80 corresponding to the bottom end of the adapter frame 1 does not occupy additional lateral space. In this embodiment, the buffer mechanism 80 is continuously arranged around the side of the battery pack 60. In order not to affect the unlocking of the vehicle-end locking mechanism 40, the buffer mechanism 80 is provided with an unlocking hole 17 to avoid interference with unlocking. During the battery swapping operation, the unlocking mechanism on the battery swapping equipment can pass through the unlocking hole 17 to unlock the vehicle-end unlocking mechanism 40. In other optional embodiments, the buffer mechanism 80 can also be arranged intermittently. The intermittently arranged buffer mechanism 80 can be arranged to avoid the unlocking path of the unlocking mechanism, or it can be arranged corresponding to the vehicle-end locking mechanism 40 and a corresponding unlocking hole 17 can be provided.

[0108] Furthermore, in this embodiment, the battery pack 60 has a battery case 4, which is used to house the battery cells and necessary electrical components placed therein. The locking shaft of the battery end locking mechanism 50 is fixed to the side of the battery case 4. The buffer mechanism 80 also includes a flange 5 disposed on the side of the battery case 4 and extending outward in a horizontal direction. A buffer member is disposed on the upper surface of the flange 5. The flange 5 is used to cooperate with the end of the adapter frame 1, squeezing the buffer member to play a buffering role. When the battery pack 60 is hung on the battery hanger 20, the end of the adapter frame 1 away from the hanger body 2 is flush with the upper surface of the flange 5. The buffer component abuts against the battery end, and the battery end locking mechanism 50 is located above the buffer mechanism 80. The vehicle end locking mechanism 40 is located on the adapter frame 1 and at the end where the adapter frame 1 and the flange 5 cooperate. In addition, the flange 5 can ensure the hanging height of the battery pack 60 and the battery bracket 20, thereby preventing the top of the battery pack 60 from directly hitting the bracket body 2 of the battery bracket 20 when the battery pack 60 is hung. This also prevents the battery pack 60 from colliding with the bracket body 2 when the electric vehicle 100 is bumped during driving, thus improving the safety and service life of the battery pack 60.

[0109] like Figure 5 , Figure 6As shown, in this embodiment, a guide mechanism 70 is provided between the adapter frame 1 and the battery pack 60. The guide mechanism 70 includes a guide block 8 and a guide surface 9. The side of the adapter frame 1 facing the battery pack 60 forms a guide surface 9 for guiding the battery pack 60 to be hung in the vertical direction. The guide surface 9 can be an inclined surface or an arc surface. Its purpose is to ensure that when the adapter frame 1 contacts the top of the battery pack 60, the battery pack 60 smoothly enters the receiving area 3 of the adapter frame 1 through the guide surface 9, thereby improving the hanging accuracy and smoothness of the battery pack 60 during hanging and increasing the hanging success rate.

[0110] In addition, the side of the battery pack 60 is provided with a guide block 8 that serves the same function as the guide surface 9. The guide block 8 fits against the side of the battery pack 60 and is located above the buffer mechanism 80. The end of the guide block 8 near the battery hanger 20 is inclined or arc-shaped so that when the adapter 1 comes into contact with the battery pack 60, the adapter 1 is guided by the guide block 8 to slide to the side of the battery pack 60, that is, the receiving area 3 of the adapter 1 surrounds the battery pack 60, making the hanging of the battery pack 60 smoother. In addition, this setting also helps to reduce the lateral dimension of the battery hanger 20.

[0111] like Figure 3 , Figure 5 As shown, the battery pack 60 has a protrusion that extends upward from the side of the vehicle body 10 and protrudes from the bottom of the vehicle body 10. Furthermore, the protrusion protrudes upward from the sides of the two longitudinal beams 30. The protrusion increases the capacity of the battery pack 60 by effectively utilizing space in the height direction through its upward extension, thereby increasing the internal space of the battery pack 60 and accommodating more battery cells. Matching the protrusion of the battery pack 60, the mounting bracket body 2 may be provided with clearance holes 11 or clearance cavities that mate with the protrusion to avoid or accommodate it. In this embodiment, clearance holes 11 are provided on the mounting bracket body 2 between the two longitudinal beams 30, and clearance cavities are formed on the mounting bracket bodies 2 on the outer sides of the two longitudinal beams 30 by arching the mounting bracket bodies 2 upward, thus protecting the battery packs 60 on both sides of the longitudinal beams 30. In this embodiment, clearance holes 11 and clearance cavities are provided on the mounting bracket body 2 corresponding to the protrusion to avoid possible interference between the mounting bracket body 2 and the battery pack 60.

[0112] The battery cells of the battery pack 60 are located inside the battery box 4. The protrusion increases the battery capacity of the battery pack 60, thereby improving the driving range of the electric vehicle 100. The increase in driving range can reduce the number of battery swaps of the electric vehicle 100 to a certain extent and effectively improve the utilization rate of the electric vehicle 100. Compared with the receiving groove formed by the bracket body 2 and its fit with the body longitudinal beam 30 through the receiving groove, which is used to avoid the body longitudinal beam 30, the battery pack 60 forms a protrusion to increase the capacity of the battery pack 60 while avoiding the body longitudinal beam 30. The protrusion is formed on the outside of the two body longitudinal beams 30 and between the two body longitudinal beams 30. In order to ensure the capacity of the battery pack 60 and avoid the battery pack 60 abutting against the bracket body 2, the bracket body 2 extends outward in the horizontal direction on the outside of the two body longitudinal beams 30. Under normal circumstances, the top height of the bracket body 2 is not higher than the top of the body longitudinal beam 30 to avoid interfering with the operation of vehicle components above the body longitudinal beam 30.

[0113] like Figure 6 , Figure 9 As shown, in this embodiment, the top of the battery pack 60 is provided with a battery end electrical connector 12, with the interface of the battery end electrical connector 12 facing downwards. The corresponding position of the bracket body 2 is provided with a vehicle end electrical connector 13, with the interface of the vehicle end electrical connector 13 facing upwards. This enables the battery end electrical connector 12 and the vehicle end electrical connector 13 to be plugged into each other in the vertical direction. The battery pack 60 is hung vertically while the electrical connection is also achieved. Moreover, there is no need for a complex mechanical structure, the electrical connection is more reliable, and the battery swapping efficiency is improved.

[0114] In addition, this structure can replace the phenomenon of interface loosening and poor contact caused by the shaking generated when the electric vehicle 100 starts or brakes suddenly when the interface of the electrical connector is set in the horizontal direction.

[0115] Furthermore, a floating structure can be provided in the battery-side electrical connector 12 and / or the vehicle-side electrical connector 13 to ensure smooth connection and offset some of the impact of battery pack shaking on the electrical connection. This avoids the situation where the interface of the battery-side electrical connector 12 of the battery pack 60 and the interface of the vehicle-side electrical connector 13 are disconnected due to the bumps of the electric vehicle 100 during driving, thereby improving the power supply efficiency of the battery pack 60 and the user experience of the electric vehicle 100. The elastic element can be a spring, and the interface channel can be a rubber-coated adapter. This is existing technology and will not be described in detail here.

[0116] In this embodiment, the electric vehicle 100 is an electric truck, specifically a heavy-duty truck or a light-duty truck. Because the battery pack of an electric truck is large and heavy, connecting it to the longitudinal beams 30 of the truck body is more cumbersome and complex, requiring more space for battery swapping. Furthermore, the electric truck experiences greater torque when tortuous due to its cargo load, which has a greater impact on the battery pack 60. Therefore, vertically mounting the battery pack 60 reduces swapping steps, simplifies the swapping process, and improves swapping efficiency. The battery mount 20 also effectively improves the connection stability of the battery pack 60. Of course, this method can also be applied to passenger vehicles such as cars.

[0117] The vehicle-end locking mechanism 40 in this embodiment is not limited to the vehicle-end locking mechanism 40 with locking groove mentioned in the above embodiments. It can also be any other locking mechanism that can enable the battery pack 60 to be hung vertically (straight up and down) to the electric vehicle 100, such as bolt locking mechanism, ball locking mechanism, T-lock locking mechanism, hook locking mechanism, etc.

[0118] Example 2

[0119] like Figure 7 , Figure 8 As shown, the overall structure of the electric vehicle in this embodiment is basically the same as that in embodiment 1. The difference is that the adapter frame 1 in this embodiment is detachably connected to the bracket body 2.

[0120] Specifically, the adapter frame 1 is a rectangular frame formed by splicing together plates. Adjacent plates are connected vertically by connectors to form the rectangular frame. The frame is connected to the edge of the bracket body 2. The connectors can be screws. The corresponding plates have threaded holes and mounting holes, or mortise and tenon structures can be used. The purpose is to connect the plates and form the frame, which cooperates with the bracket body 2 to form the receiving area 3. The frame restricts the battery pack 60 along the X and Y directions of the vehicle body longitudinal beam 30. The detachable connection of the adapter frame 1 makes it easier to improve the processing accuracy when processing each plate individually. The improved accuracy of the individual plates helps to improve the accuracy of the frame. In other words, the accuracy of the adapter frame 1 is correspondingly improved, and it can be more smoothly connected to the battery pack 60. The plate is provided with a mounting groove 6, and the vehicle end locking mechanism 40 is correspondingly located in the mounting groove 6. This not only ensures that the battery pack 60 and the battery bracket 20 can be smoothly connected and that the connection is stable after connection, but also limits the battery pack 60 by using the adapter 1 to reduce the need for additional limiting components to limit the battery pack 60, thereby reducing the cost of the electric vehicle 100 and having a certain degree of economic efficiency.

[0121] Example 3

[0122] like Figure 10 , Figure 11 and Figure 12As shown, the overall structure of the electric vehicle in this embodiment is basically the same as that in embodiment 1. The difference is that the battery end locking mechanism 50 and the adapter 1 are set on the top surface of the battery pack 60 in this embodiment, so that the locking position is located on the top surface of the battery pack.

[0123] In this embodiment, when the battery-end locking mechanism 50 is disposed on the top surface of the battery pack 60, the locking shaft of the battery-end locking mechanism 50 can form a groove on the top surface of the battery pack 60 and extend the vehicle-end locking mechanism 40 into the groove to cooperate with the locking shaft. The locking shaft is located at a predetermined distance extending inward from the top edge of the battery pack 60. The locking position of the vehicle-end locking mechanism 40 and the battery-end locking mechanism 50 is located on the top surface of the battery pack 60. This way, the width of the battery pack will not increase due to the battery-end locking mechanism 50, and it also makes it possible to reduce the size of the battery bracket 20, thereby reducing the manufacturing cost of the electric vehicle 100 and facilitating the size control of the battery bracket 20 and the battery pack 60. In addition, the above structure also makes the distance between the battery-end locking mechanisms 50 smaller, so as to improve the positioning accuracy of the battery bracket 20 when processing it, and it is easier to ensure the accuracy of the connection of the battery pack 60, which is more conducive to the smooth connection of the battery pack 60, thereby improving the battery swapping efficiency. In other alternative implementations, the locking shaft can also be positioned above the top surface of the battery pack 60 and engage with the vehicle end locking mechanism 40.

[0124] Multiple vehicle-end locking mechanisms 40 are connected to both sides of the battery mount 20 along the X direction, which can effectively utilize the length direction of the vehicle body beam to set the vehicle-end locking mechanism, making the locking more reliable.

[0125] In this embodiment, the width of the bracket body 2 is smaller than the width of the battery pack 60. The bracket body 2 limits the width direction (i.e., Y direction) of the battery pack 60 through the adapter frame 1 and the vehicle end locking mechanism 40 connected to the adapter frame 1, thereby reducing the size of the adapter frame 1. While ensuring the stability of the battery pack 60 mounting, it saves materials and makes the mounting process smoother.

[0126] Furthermore, in this embodiment, the adapter 1 is detachably connected to the hanger body 2. The adapter 1 includes a connecting plate 14 and a vertical plate 15. The connecting plate 14 is located on the lower surface of both ends of the hanger body 2. It is attached to the hanger body 2 by a connector and detachably connected to it. The vertical plate 15 is vertically arranged and vertically connected to the connecting plate 14 to form a "T" shaped structure.

[0127] In this embodiment, vehicle-end locking mechanisms 40 are provided on both sides of the upright plate 15. By increasing the number of vehicle-end locking mechanisms 40, the stability of the battery pack 60 after being attached is improved, making the battery pack 60 more securely attached to the battery bracket 20 through the battery-end locking mechanism 50.

[0128] It is understandable that the end of the upright plate 15 that is vertically connected to the battery end locking mechanism 50 of the battery pack 60 is provided with a clearance groove 7. The opening of the clearance groove 7 is set downward and the clearance groove 7 is connected to the locking groove of the vehicle end locking mechanism 40. That is, the locking shaft of the battery end locking mechanism 50 slides into the locking groove through the clearance groove 7 and achieves vertical locking of the battery pack 60 through the vehicle end locking mechanism 40. The clearance groove 7 improves the success rate of the battery pack 60 connection and avoids the upright plate 15 from interfering with the connection of the battery pack 60.

[0129] Furthermore, in this embodiment, when vehicle-end locking mechanisms 40 are provided on both sides of the upright plate 15, the vehicle-end locking mechanisms 40 at corresponding positions on both sides are connected to the same battery-end locking mechanism 50. That is, the locking grooves of the vehicle-end locking mechanisms 40 on both sides coincide with the openings of the clearance grooves 7 of the upright plate 15, and the locking shaft of the battery-end locking mechanism 50 is provided in the horizontal direction along the top of the battery pack 60 and simultaneously cooperates with the locking grooves of the corresponding vehicle-end locking mechanisms 40 on both sides of the upright plate 15 and the clearance grooves 7 of the upright plate 15. In other words, the battery-end locking mechanism 50 is engaged. The locking shaft of the locking mechanism 50 is connected to both vehicle-end locking mechanisms 40 simultaneously. Compared to setting the vehicle-end locking mechanism 40 on one side of the upright plate 15, without increasing the number and complexity of the battery-end locking mechanism 50, the number of connection points between the vehicle-end locking mechanism 40 and the battery-end locking mechanism 50 is increased. Correspondingly, the top of the battery pack 60 is simultaneously hooked at both ends of the locking shaft, thereby improving the uniformity and reliability of the force on the battery pack 60 when it is hooked to the adapter frame 1, making the battery pack 60 more secure after hooking.

[0130] In other alternative embodiments, when the vehicle end locking mechanism 40 is provided on the outer or inner side of the upright plate 15, the adapter 1 and the vehicle end locking mechanism 40 connected to the adapter 1 limit the width direction (i.e., Y direction) of the battery pack 60, and ensure the connection stability of the battery pack 60 hanging on the adapter 1 and then on the battery bracket 20, and reduce the processing difficulty of the battery bracket 20 and reduce the processing accuracy requirements of the battery bracket 20.

[0131] Furthermore, in this embodiment, two support plates 16 are erected on the top surface of the battery pack 60. The two support plates 16 are arranged side by side with a gap between them. A locking shaft is connected between the two support plates 16. The locking shaft is arranged in a horizontal direction and its two ends are fixedly connected to the two support plates 16. The gap between the two support plates 16 is not less than the width after the vehicle end locking mechanism 40 is set on both sides of the upright plate 15. That is to say, when the battery pack 60 is vertically hung with the upright plate 15, the vehicle end locking mechanism 40 set on both sides of the upright plate 15 extends into the gap between the two support plates 16 and cooperates with the locking shaft to realize that the battery pack 60 is hung on the adapter frame 1, and then on the battery hanger 20. This not only ensures the connection stability of the battery pack 60 after it is hung, but also improves the uniformity of the force on the locking shaft, and further improves the uniformity of the force on the battery pack 60.

[0132] In a preferred embodiment of this invention, guide surfaces 9 are provided at the inner top ends of the two support plates 16. The guide surfaces 9 are inclined surfaces to provide guidance when the battery pack 60 is attached. In other optional embodiments, the guide surfaces 9 may also be curved surfaces.

[0133] It is understandable that a reinforcing member is also provided between the two support plates 16. The reinforcing member can be a rod, and both ends of the reinforcing member are also connected to the two support plates 16. The purpose is to increase the support points between the two support plates 16, thereby increasing the structural strength between the two parallel support plates 16. Correspondingly, the vertical plate 15 is also provided with an anti-interference groove corresponding to the reinforcing member. This groove is existing technology and will not be described in detail here. By setting the reinforcing member to maintain the interval between the two parallel support plates 16, the reusability of the battery end locking mechanism 50 is improved, the number of battery packs 60 can be swapped is increased, and the battery swapping cost is reduced.

[0134] In this embodiment, the vehicle-end locking mechanism 40 can be adopted as follows: Figure 13 (Locked state) Figure 14 The vehicle end locking mechanism 40 shown in the (unlocked state) includes a base plate 404, two locking components 401, and stop components 402 respectively provided corresponding to the two locking components 401. The locking component 401 is provided with a channel 403 with one end open, and the stop component 402 is provided with a stop claw 4021. The two locking components 401 are symmetrically arranged on both sides of the lock groove and can rotate relative to the base plate 404. The two stop components 402 are rotatably arranged on the outside of the two locking components 401, and the two locking components 401 can be abutted by the stop claw 4021 of the corresponding stop component 402 and prevented from rotating in the unlocking direction. At this time, the channel 403 of the two locking components 401 hugs the lock shaft, thereby locking the lock shaft in the lock groove. When unlocking is required, the unlocking mechanism (usually installed on the battery swapping equipment) acts on the stop component 402, causing the stop claw 4021 of the stop component 402 to disengage from the locking component 401, thereby allowing the locking component 401 to rotate in the unlocking direction to achieve unlocking.

[0135] Furthermore, the locking shaft is mounted on the battery pack 60, and the locking shaft cooperates with the locking component 401 to lock the battery pack 60. This can also be understood as follows: by having two locking components 401 cooperate with the same locking shaft, the battery pack 60 is stably locked to the vehicle-end locking mechanism 40; that is, each vehicle-end locking mechanism 40 shares the weight at the locking point through two locking components 401, improving the structural strength and load-bearing capacity of the vehicle-end locking mechanism 40, making it suitable for heavier battery packs 60, improving the stability and reliability of the locking shaft, and thus improving the stability and reliability of the battery pack 60 locking to the battery mount 20.

[0136] In other alternative embodiments, the vehicle-end locking mechanism 40 can also be any locking mechanism that enables the battery pack 60 to be vertically (straight up and down) attached to the electric vehicle 100, such as a bolt-type locking mechanism, a ball-type locking mechanism, a T-type locking mechanism, a hook-type locking mechanism, etc.

[0137] While specific embodiments of the present invention have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but all such changes and modifications fall within the scope of protection of the present invention.

Claims

1. An electric vehicle, characterized in that, include: Vehicle body, Battery mounting bracket, connected to the vehicle body. Multiple vehicle-end locking mechanisms are connected to both sides of the battery mounting bracket along the width direction and / or the length direction of the vehicle body, and are spaced apart. The battery pack has multiple battery end locking mechanisms that match the multiple vehicle end locking mechanisms, and the multiple battery end locking mechanisms are connected to the bottom of the battery bracket by being hooked to the multiple vehicle end locking mechanisms in a vertical direction. The battery mount includes a mount body connected to the vehicle body, and a plurality of vehicle-end locking mechanisms are connected to the mount body via an adapter frame. The adapter frame extends downward from the mount body, and the vehicle-end locking mechanism has a vertically arranged locking groove with its opening facing downward. The battery-end locking mechanism is disposed on the side of the battery pack, the bottom end of the adapter frame is provided with a mounting groove, the vehicle-end locking mechanism is disposed in the mounting groove, and the mounting groove is provided with a clearance groove on at least one side wall facing the battery pack for avoiding the locking groove; and / or, The battery end locking mechanism is disposed on the top surface of the battery pack, the bottom end of the adapter frame points to the top surface of the battery pack, and the adapter frame is correspondingly disposed with the battery end locking mechanism disposed on the top surface of the battery pack. The adapter frame includes a connecting plate and a vertical plate extending downward from the connecting plate. The vehicle end locking mechanism is disposed on at least one side of the vertical plate, and the vertical plate is provided with an avoidance groove that matches the lock groove.

2. The electric vehicle as described in claim 1, characterized in that, The adapter frame and the hanging bracket body are an integral structure, or the adapter frame is detachably connected to the hanging bracket body.

3. The electric vehicle as described in claim 2, characterized in that, The adapter forms a receiving area for surrounding the battery pack, with at least a portion of the battery pack located within the receiving area in the vertical direction.

4. The electric vehicle as described in claim 3, characterized in that, When the battery end locking mechanism is disposed on the side of the battery pack, the battery end locking mechanism is spaced at a preset distance from the top surface of the battery pack.

5. The electric vehicle as described in claim 3, characterized in that, A guiding mechanism is provided between the adapter and the battery pack. The guiding mechanism includes a guide block and a guide surface. The guide block is disposed on the side of the battery pack, and the guide surface is formed on the side surface of the adapter facing the battery pack.

6. The electric vehicle as described in claim 4, characterized in that, The side of the battery pack is provided with a buffer mechanism corresponding to the bottom of the adapter frame. The buffer mechanism is located below the battery end locking mechanism and includes a buffer member that can elastically deform in the vertical direction.

7. The electric vehicle as described in claim 2, characterized in that, The connecting plate is detachably connected to the bracket body via a connector.

8. The electric vehicle as described in claim 7, characterized in that, The vehicle-end locking mechanism is provided at corresponding positions on both sides of the upright plate, and the two vehicle-end locking mechanisms are connected to one battery-end locking mechanism.

9. The electric vehicle as described in claim 2, characterized in that, The battery-end locking mechanism includes a locking shaft. Two support plates are erected on the top surface of the battery pack. The two support plates are arranged side by side with a gap between them. The locking shaft is connected between the two support plates and is used to hook and connect with the vehicle-end locking mechanism.

10. The electric vehicle as described in claim 2, characterized in that, The battery pack has a protrusion that extends upward from the side of the vehicle body and protrudes from the bottom of the vehicle body. The mounting bracket body is provided with a clearance hole or clearance cavity that matches the protrusion.

11. The electric vehicle as described in claim 10, characterized in that, The vehicle body includes two parallel and spaced longitudinal beams, and the protrusion is formed on the outer side of the two longitudinal beams and / or between the two longitudinal beams.

12. The electric vehicle as described in claim 2, characterized in that, The top of the battery pack is provided with a battery end electrical connector, and the corresponding position of the bracket body is provided with a vehicle end electrical connector. The battery end electrical connector and the vehicle end electrical connector are plugged into each other in the vertical direction.

13. The electric vehicle as described in claim 1, characterized in that, The electric vehicle in question is an electric truck.

Images