Quick change assembly and battery swap vehicle

Abstract

The application discloses a quick-change assembly and a battery changing vehicle, and relates to the technical field of electric vehicles. The quick-change assembly comprises a battery pack arranged along the length direction of the battery changing vehicle. A plurality of locking mechanisms are arranged at intervals along the two sides in the width direction of the vehicle body and / or the two sides in the length direction of the battery changing vehicle. The locking mechanisms are used for cooperating with locking members on the battery changing vehicle through the locking mode of the mutual approach of claws, so as to lock the battery pack. In the application, the plurality of locking mechanisms are arranged at intervals along the two sides in the width direction of the vehicle body and / or the two sides in the length direction. The distribution of the locking mechanisms on the battery pack is beneficial to the equal distribution of bearing capacity and the improvement of the reliability of locking. In addition, the mutual approach of the claws is used for improving the locking stability of the locking mechanisms and the locking members, and further improving the stability of the connection of the battery pack to the battery changing vehicle.

Description

Technical Field

[0001] This invention relates to the field of electric vehicle technology, and in particular to a fast-swap assembly and a battery-swapping vehicle. Background Technology

[0002] In recent years, new energy vehicles have developed rapidly. Electric vehicles, which rely on batteries as their driving energy, have the advantages of zero emissions and low noise. As the market share and usage frequency of electric vehicles are increasing, electric commercial vehicles, such as electric heavy-duty trucks and electric light-duty trucks, are gradually appearing in their respective application scenarios. At the same time, battery swapping stations for replacing battery packs of electric trucks have been built.

[0003] Because commercial vehicles such as electric trucks have large capacity requirements for battery packs, the size and weight of the battery packs are generally large, which can easily affect battery swapping and make it difficult to install the battery packs stably and safely on the electric vehicle. At the same time, due to the large size and weight of the battery packs, electric vehicles will also need to be equipped with locking mechanisms with stronger load-bearing capacity to secure the battery packs. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the defect of poor connection stability between the existing battery swapping vehicle and the connected battery pack, and to provide a fast swapping assembly and a battery swapping vehicle.

[0005] The present invention solves the above-mentioned technical problems through the following technical solution:

[0006] A quick-swap assembly includes a battery pack arranged along the length of a battery swapping vehicle. The battery pack has multiple locking mechanisms spaced apart on both sides of the vehicle body width direction and / or both sides of the length direction. The locking mechanisms are used to cooperate with locking components on the battery swapping vehicle by means of locking by the mutual abutment of the claws, so as to lock the battery pack.

[0007] In this solution, multiple locking mechanisms are spaced apart on both sides of the vehicle body width direction and / or both sides of the length direction. The distribution of the locking mechanisms on the battery pack helps to evenly distribute the load-bearing force and improve the reliability of locking. In addition, the locking stability of the locking mechanism and locking components is improved by the claws moving closer together, thereby improving the stability of the battery pack connection to the battery swapping vehicle.

[0008] Preferably, the locking member includes a plurality of locking claws, and the locking mechanism includes a locking shaft; or, the locking member includes a locking shaft, and the locking mechanism includes a plurality of locking claws;

[0009] The locking mechanism is detachably connected to the locking member to independently lock the battery pack to the battery swapping vehicle.

[0010] In this solution, the positions of the locking mechanism and the locking element can be interchanged, which can also lock or unlock the battery pack on the battery swapping vehicle. The locking mechanism and the locking element are detachably connected, which is more flexible and convenient and provides a better user experience.

[0011] Preferably, the locking mechanism further includes a driving component and a lock base. The plurality of lock claws are disposed on the lock base and can move on the lock base. The driving component can simultaneously drive the plurality of lock claws to move, so as to realize that the plurality of lock claws come together to lock on the lock shaft or the plurality of lock claws open to unlock on the lock shaft.

[0012] In this solution, a drive component is used to drive the lock claw to lock or unlock the locking device. The locking or unlocking of the locking device is highly automated, making it more convenient and reliable.

[0013] Preferably, the bottom of each of the plurality of locking claws has a hinge portion spaced apart and a force-receiving portion located outside the hinge portion. The hinge portion is hinged to the lock base, and the driving component acts on the plurality of force-receiving portions to bring the plurality of locking claws together to a locking position.

[0014] In this solution, a hinged connection is used, allowing the locking claws to rotate at the hinged center. This allows the driving component to act on the force-bearing part to drive multiple locking claws to rotate, thereby enabling the multiple locking claws to come together and be in the locking position.

[0015] Preferably, the driving component includes a rotating nut and a driving member. The rotating nut is rotatably disposed in the lock base. One end of the driving member is threadedly connected to the rotating nut, so that the nut rotates and drives the driving member to rotate towards or away from the lock claws until the other end of the driving member abuts against or disengages from the force-bearing part of the multiple lock claws, so as to realize the locking or unlocking of the lock claws.

[0016] In this solution, the threaded connection drive method allows for more precise movement, and the threaded connection has self-locking properties, which improves the reliability and stability of the lock claw during locking or unlocking.

[0017] Preferably, the driving component includes a screw and a locking plate, the screw being connected to the bottom surface of the locking plate and to the rotating nut, and the locking plate being movable in a direction close to or away from the plurality of locking claws and abutting against the force-bearing parts of the plurality of locking claws.

[0018] In this solution, multiple locking claws are driven simultaneously by the locking plate, resulting in high stability and better synchronization of the multiple locking claws.

[0019] Preferably, the locking mechanism further includes a reset component, which abuts against the plurality of locking claws and is used to drive the plurality of locking claws to open relative to each other.

[0020] In this solution, the reset component can drive multiple locking claws back to their initial state, thereby unlocking the device and facilitating the insertion of the locking element for the next locking operation.

[0021] Preferably, the locking mechanism further includes a limiting member connected to the rotating nut, and the limiting member is disposed within the lock base and is movable within the lock base, having a stopped state and an active state;

[0022] In the stopped state, the limiting member is connected to the lock base and is restricted from rotating within the lock base;

[0023] In the active state, the limiting component disengages from the lock base, so that the limiting component drives the rotating nut to rotate together.

[0024] In this solution, by adding a limiting component, the limiting component can restrict the driving component in the stopped state to improve safety. In the active state, it will not affect the driving of the driving component, and the limiting component is more flexible and reliable.

[0025] Preferably, a plurality of locking mechanisms are provided in at least the edge region of the battery pack, and the plurality of locking mechanisms are arranged in the edge region of the battery pack along the length direction and / or width direction of the battery swapping vehicle to lock or unlock the battery pack to the bottom of the battery swapping vehicle.

[0026] In this design, the locking mechanism is located at the edge of the battery pack, and the battery pack is detachably connected to the battery swapping vehicle along the bottom of the vehicle. The locking mechanism does not occupy the space in the middle area of ​​the battery pack, making more efficient use of space.

[0027] Preferably, the plurality of locking mechanisms are also disposed in the middle region of each of the battery packs.

[0028] In this design, the locking mechanism is located in the middle area of ​​the battery pack, which can further improve the connection stability of the battery pack.

[0029] Preferably, when there are multiple locking mechanisms located in the intermediate region, the multiple locking mechanisms are distributed along the length or width direction of the vehicle body.

[0030] In this design, the locking mechanism is positioned along the length or width of the vehicle body to further improve the connection stability of the battery pack.

[0031] Preferably, the locking mechanism located in the middle region is attached to the bottom of the battery swapping vehicle along the height direction of the battery swapping vehicle.

[0032] In this design, the battery pack is attached along its height to avoid interference during installation.

[0033] Preferably, the quick-swap assembly further includes a battery pack bracket for supporting the battery pack, and the connecting portion of the battery pack bracket is disposed on the edge of the battery pack. The locking mechanism is disposed on the connecting portion, and the locking element is disposed on the bottom of the battery swapping vehicle.

[0034] Alternatively, the locking element may be disposed on the connecting portion, and the locking mechanism may be disposed on the bottom of the battery swapping vehicle.

[0035] In this design, the battery pack bracket supports the battery pack, and its connecting part is used to connect to the bottom of the battery swapping vehicle. A locking mechanism or locking element is correspondingly provided on the connecting part, which helps to improve the stability of the connection.

[0036] Preferably, the battery pack bracket includes a bracket body connected to the vehicle body, wherein the bracket body and the connecting part are an integral structure, or the connecting part is detachably connected to the bracket body.

[0037] In this design, the support body and the connecting part are integrated into a single structure, which facilitates processing and improves structural reliability. The connecting part is detachably connected to the support body, facilitating transportation and reducing costs.

[0038] Preferably, the connecting portion is disposed on both sides of the battery pack bracket extending along the width direction of the battery swapping vehicle;

[0039] And / or, the connecting portion is disposed on both sides of the battery pack bracket extending along the length direction of the battery swapping vehicle.

[0040] In this solution, connecting parts are installed at different locations on the battery pack to securely mount the battery pack to the battery swapping vehicle.

[0041] Preferably, the connecting portion is provided at least at both ends of the battery pack along the width direction of the battery swapping vehicle;

[0042] And / or, along the length of the battery swapping vehicle, the connecting portion is provided at least at both ends of the battery pack.

[0043] In this design, the connecting part is located at the end of the battery pack, which helps to improve the connection stability at both ends of the battery pack.

[0044] Preferably, the quick-swap assembly further includes a liquid-cooled connector and an electrical connector, wherein the electrical connector and the liquid-cooled connector are disposed on opposite sides of the battery pack bracket along the length direction of the battery swapping vehicle, wherein the electrical connector is disposed on the rear side of the battery swapping vehicle along the length direction, and the liquid-cooled connector is disposed on the front side of the battery swapping vehicle along the length direction.

[0045] In this solution, the electrical connector and the liquid cooling connector are set separately, which is suitable for four-wheel drive vehicles. The electrical connector and the liquid cooling connector will not interfere with each other.

[0046] Preferably, the quick-swap assembly is fixedly connected to the beam of the battery swapping vehicle to install at least two of the battery packs in the battery swapping vehicle.

[0047] In this solution, the driving range is increased by increasing the number of battery packs.

[0048] Preferably, the locking mechanism or the locking element is floatingly connected to the battery pack.

[0049] In this solution, floating connections are used to reduce the impact of bumps on the battery pack, which helps to improve the operational stability and lifespan of the battery pack.

[0050] Preferably, the locking mechanism or the locking element is floatingly connected to the battery swapping vehicle.

[0051] In this solution, floating connections are used to reduce the impact of bumps on the battery swapping vehicles.

[0052] Preferably, the connecting portion is provided with a buffer mechanism corresponding to the bottom of the battery swapping vehicle. The buffer mechanism is disposed on the outer periphery of the locking member or the locking mechanism, and the buffer mechanism includes a buffer member that can elastically deform in the vertical direction.

[0053] In this solution, the buffer mechanism reduces the impact of bumps on the battery pack, which helps improve the operational stability and service life of the battery pack.

[0054] Preferably, in the height direction of the battery pack, the locking member is located below the centerline of the battery pack.

[0055] This solution ensures battery pack capacity while saving height space around the battery pack, thus improving space utilization.

[0056] A battery swapping vehicle includes a frame and a quick-swap assembly as described above. The quick-swap assembly includes three battery packs, one of which is located between two frames of the vehicle, and the other two battery packs are located on either side of the two frames.

[0057] In this design, the three battery packs are evenly arranged to make good use of the space under the battery swapping vehicle.

[0058] Preferably, the battery-swapping vehicle is an electric truck.

[0059] In this design, the space under the electric truck is used efficiently, allowing for the installation of multiple battery packs, which helps to improve its driving range.

[0060] The positive and progressive effects of this invention are as follows: In this solution, by arranging multiple locking mechanisms at intervals on both sides of the vehicle body width direction and / or both sides of the length direction, the distribution of the locking mechanisms on the battery pack is conducive to the even distribution of load-bearing force and improves the reliability of locking. In addition, by having the claws move closer together to improve the locking stability of the locking mechanisms and locking components, the stability of the battery pack connected to the battery swapping vehicle is improved. Attached Figure Description

[0061] Figure 1 This is a schematic diagram of the quick-change assembly according to Embodiment 1 of the present invention;

[0062] Figure 2 This is a schematic diagram of the battery pack bracket according to Embodiment 1 of the present invention;

[0063] Figure 3 for Figure 1 Enlarged view of the structure at point A in the middle;

[0064] Figure 4 This is a schematic diagram of the locking mechanism and locking element according to Embodiment 1 of the present invention;

[0065] Figure 5 This is a schematic diagram of the internal structure of the locking mechanism and locking member in Embodiment 1 of the present invention;

[0066] Figure 6 This is a schematic diagram of the bottom structure of the locking mechanism in Embodiment 1 of the present invention;

[0067] Figure 7 This is a schematic diagram of the locking component in Embodiment 2 of the present invention.

[0068] Explanation of reference numerals in the attached figures

[0069] Battery pack 100

[0070] Locking component 200

[0071] Mounting base 210

[0072] Movable cavity 211

[0073] Through slot 212

[0074] Annular movement gap 213

[0075] Elastic component 220

[0076] Locking component body 230

[0077] Cover plate 240

[0078] Floating Plate 231

[0079] Lock bar 232

[0080] Battery pack holder 300

[0081] Connecting part 310

[0082] Locking mechanism 400

[0083] Lock base 410

[0084] Annular groove 411

[0085] Locking claw 420

[0086] Hinged part 431

[0087] Force-bearing part 432

[0088] Rotary Nut 441

[0089] Drive component 442

[0090] Screw 4421

[0091] Locking plate 4422

[0092] Reset component 443

[0093] Reset Unit 4431

[0094] Reset pin 4432

[0095] Return spring 4433

[0096] Mounting slot 4434

[0097] Limiting component 444

[0098] Stop part 445

[0099] Reset component 446

[0100] Width direction W

[0101] Length direction L Detailed Implementation

[0102] 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.

[0103] like Figures 1-6As shown, this embodiment provides a quick-swap assembly, including a battery pack 100 arranged along the length L of the battery swapping vehicle. Multiple locking mechanisms 400 are spaced apart on both sides of the battery pack 100 along the width W and length L of the vehicle body. The locking mechanisms 400 cooperate with locking elements 200 on the battery swapping vehicle through a locking method where the claws approach each other, thereby locking the battery pack 100. By spaced apart multiple locking mechanisms 400 on both sides of the vehicle body width W and length L, the distribution of the locking mechanisms 400 on the battery pack 100 facilitates the even distribution of load-bearing capacity, improving locking reliability. Furthermore, the approach of the claws improves the locking stability of the locking mechanisms 400 and the locking elements 200, thereby enhancing the stability of the battery pack 100 connected to the battery swapping vehicle.

[0104] In other embodiments, the locking mechanism 400 may be provided only on both sides of the battery pack 100 along the width direction W of the battery swapping vehicle, or multiple locking mechanisms 400 may be provided only on both sides of the battery pack 100 along the length direction L of the battery swapping vehicle.

[0105] like Figure 1 and Figure 2 As shown, the battery pack 100 has at least a plurality of locking mechanisms 400 in its edge region. These locking mechanisms 400 are positioned along the length L and width W of the battery swapping vehicle's body in the edge region of the battery pack 100 to lock or unlock the battery pack 100 to the bottom of the battery swapping vehicle. The locking mechanisms 400 are located at the edge of the battery pack 100, and the battery pack 100 is detachably connected to the battery swapping vehicle along its bottom. The locking mechanisms 400 do not occupy space in the central region of the battery pack 100, resulting in more efficient space utilization.

[0106] In other embodiments, the locking mechanism 400 may be provided only along the length L of the battery swapping vehicle in the edge region of the battery pack 100, or only along the width W of the battery swapping vehicle in the edge region of the battery pack 100.

[0107] Multiple locking mechanisms 400 are also disposed in the middle region of each battery pack 100. The placement of the locking mechanisms 400 in the middle region of the battery pack 100 can further improve the connection stability of the battery pack 100.

[0108] In this embodiment, there are two locking mechanisms 400 located in the middle region, which are distributed along the length direction L.

[0109] In other embodiments, the number of locking mechanisms 400 located in the intermediate region may be greater, and these multiple locking mechanisms 400 may be distributed along the length direction L or the width direction W of the vehicle body. The locking mechanisms 400 being arranged along the length or width direction W of the vehicle body further improves the connection stability of the battery pack 100.

[0110] Preferably, the locking mechanism 400 located in the middle area is attached to the bottom of the battery swapping vehicle along its height. This height-direction attachment prevents interference during battery pack 100 installation.

[0111] Specifically, the quick-swap assembly also includes a battery pack bracket 300, which supports the battery pack 100. The connecting portion 310 of the battery pack bracket 300 is located at the edge of the battery pack 100. A locking mechanism 400 is located on the connecting portion 310, and a locking element 200 is located at the bottom of the battery swapping vehicle. The battery pack bracket 300 supports the battery pack 100, and the connecting portion 310 of the battery pack bracket 300 connects to the bottom of the battery swapping vehicle. The locking mechanism 400 is correspondingly located on the connecting portion 310, which helps improve the stability of the connection.

[0112] In other embodiments, the locking member 200 may be disposed on the connecting part 310, and the locking mechanism 400 may be disposed on the bottom of the battery swapping vehicle.

[0113] In this embodiment, the battery pack bracket 300 includes a bracket body connected to the vehicle body, and the bracket body and the connecting part 310 are an integral structure. The integral structure of the bracket body and the connecting part 310 facilitates processing and improves structural reliability.

[0114] In other embodiments, the connecting part 310 may also be detachably connected to the bracket body. The detachable connection between the connecting part 310 and the bracket body facilitates transportation and reduces transportation costs.

[0115] In this embodiment, the connecting portions 310 are provided on both sides of the battery pack bracket 300 extending along the width direction W of the battery swapping vehicle, and also on both sides of the battery pack bracket 300 extending along the length direction L of the battery swapping vehicle. By using the connecting portions 310 at different positions on the battery pack 100, the battery pack 100 is fixedly mounted to the battery swapping vehicle.

[0116] In other embodiments, the connecting portion 310 may be provided only on both sides of the battery pack bracket 300 extending along the width direction W of the battery swapping vehicle, or the connecting portion 310 may be provided only on both sides of the battery pack bracket 300 extending along the length direction L of the battery swapping vehicle.

[0117] In this embodiment, the connecting portions 310 are provided at least at both ends of the battery pack 100 along the width direction W of the battery swapping vehicle and at least at both ends of the battery pack 100 along the length direction L of the battery swapping vehicle. Providing the connecting portions 310 at the ends of the battery pack 100 helps improve the connection stability at both ends of the battery pack 100.

[0118] In other embodiments, the connecting portion 310 is provided at least at both ends of the battery pack 100 along the width direction W of the battery swapping vehicle, or the connecting portion 310 is provided at least at both ends of the battery pack 100 along the length direction L of the battery swapping vehicle.

[0119] In this embodiment, the quick-swap assembly further includes a liquid-cooled connector and an electrical connector. The electrical connector and the liquid-cooled connector are disposed on opposite sides of the battery pack bracket 300 along the length L of the battery swapping vehicle. The electrical connector is disposed on the rear side of the battery swapping vehicle along the length L, and the liquid-cooled connector is disposed on the front side of the battery swapping vehicle along the length L. The separate placement of the electrical connector and the liquid-cooled connector is suitable for four-wheel drive vehicles, and the electrical connector and the liquid-cooled connector will not interfere with each other.

[0120] In this embodiment, the quick-swap assembly is fixedly connected to the beam of the battery swapping vehicle to install at least two battery packs 100 in the vehicle. Increasing the number of battery packs 100 thereby improves the driving range.

[0121] like Figure 3 and Figure 4 As shown, the locking member 200 includes a locking shaft, and the locking mechanism 400 includes multiple locking claws. The locking mechanism 400 is detachably connected to the locking member 200 to independently lock the battery pack 100 onto the battery swapping vehicle. The locking member 200 and the locking mechanism 400 enable the battery pack 100 to be locked or unlocked onto the battery swapping vehicle. The detachable connection between the locking mechanism 400 and the locking member 200 provides greater flexibility and convenience, resulting in a better user experience.

[0122] In other embodiments, the locking member 200 may include a plurality of locking claws, and the locking mechanism 400 may include a locking shaft.

[0123] like Figure 4 As shown, the locking mechanism 400 also includes a driving component and a lock base 410. Multiple locking claws 420 are mounted on the lock base 410 and can move on it. The driving component can simultaneously drive the multiple locking claws 420 to move, so that the multiple locking claws 420 can come together to lock onto the lock shaft or open to unlock onto the lock shaft. Using a driving component to drive the locking claws to lock or unlock the locking component 200 results in a high degree of automation, making locking or unlocking the locking component 200 more convenient and reliable.

[0124] like Figure 5 As shown, the bottom of each of the multiple locking claws 420 has a hinge portion 431 spaced apart and a force-receiving portion 432 located outside the hinge portion 431. The hinge portion 431 is hinged to the lock base 410. The driving component acts on the multiple force-receiving portions 432 to bring the multiple locking claws 420 together and lock them in the locked position. By using a hinge, the locking claws 420 can rotate at the hinge center. The driving component can then act on the force-receiving portions 432 to drive the multiple locking claws 420 to rotate, thereby bringing the multiple locking claws 420 together and locking them in the locked position.

[0125] like Figure 5 As shown, in this embodiment, the driving component includes a rotating nut 441 and a driving member 442. The rotating nut 441 is rotatably disposed within the lock base 410. One end of the driving member 442 is threadedly connected to the rotating nut 441, causing the nut to rotate and drive the driving member 442 to rotate towards or away from the lock claws 420 until the other end of the driving member 442 abuts against or disengages from the force-bearing portion 432 of the multiple lock claws 420, thereby locking or unlocking the lock claws 420. The threaded connection driving method allows for more precise movement, and the threaded connection has self-locking properties, improving the reliability and stability of the lock claws 420 during the locking or unlocking process.

[0126] Specifically, the inner wall of the lock base 410 has an annular groove 411, and the rotating nut 441 is located in the annular groove 411 and rotates within the annular groove 411. The annular groove 411 can limit the rotation of the rotating nut 441, preventing displacement or misalignment during use, thus ensuring high stability.

[0127] In this embodiment, the driving component 442 includes a screw 4421 and a locking plate 4422. The screw 4421 is connected to the bottom surface of the locking plate 4422 and is also connected to a rotating nut 441. The locking plate 4422 can move towards or away from the multiple locking claws 420 and abut against the force-bearing portion 432 of the multiple locking claws 420. Simultaneous driving of the multiple locking claws 420 by the locking plate 4422 results in high stability and better synchronization of the multiple locking claws.

[0128] In this embodiment, the locking mechanism 400 further includes a reset component 443, which abuts against the plurality of locking claws 420 and is used to drive the plurality of locking claws 420 to open relative to each other. Through the reset component 443, the plurality of locking claws 420 can be driven to return to their initial state, thereby unlocking, and facilitating the insertion of the locking member 200 for the next locking.

[0129] Specifically, the bottom of each of the multiple locking claws 420 has a reset part 4431, a hinge part 431, and a force-receiving part 432 connected sequentially from the inside out. The reset component 443 acts on the multiple reset parts 4431, the hinge part 431 is hinged to the lock base 410, and the drive component acts on the multiple force-receiving parts 432. The locking mechanism 400 has a more compact structure, which helps to reduce the size of the locking mechanism 400.

[0130] The reset component 443 includes a reset spring 4433 and a reset pin 4432. The driving component has an inwardly recessed mounting groove 4434 on the side facing the multiple locking claws 420. The reset spring 4433 is located within the mounting groove 4434. One end of the reset pin 4432 abuts against the multiple locking claws 420, and the other end of the reset pin 4432 extends into the mounting groove 4434 and abuts against the reset spring 4433. The reset component 443 has a simple structure and high structural stability.

[0131] like Figure 5 and Figure 6 As shown, in this embodiment, the locking mechanism 400 further includes a limiting component, which is connected to the rotating nut 441 and is disposed within the lock base 410 and can move within the lock base 410, and has a stopped state and an active state.

[0132] In the stopped state, the limiting component is connected to the lock base 410 and is restricted from rotating within the lock base 410;

[0133] When in the active state, the limiting component is disengaged from the lock base 410, so that the limiting component drives the rotating nut 441 to rotate together.

[0134] By adding a limiting component, the limiting component can restrict the driving component in the stopped state to improve safety. In the active state, it will not affect the driving of the driving component, and the limiting component is more flexible and reliable.

[0135] Specifically, one end of the limiting member has an inner groove, which is fitted onto the rotating nut 441 and can move on the rotating nut 441. The other end of the limiting member has a limiting part, and the lock base 410 has a stop part 445. In the stopped state, the limiting part is connected to the stop part 445. In the active state, the limiting part and the stop part 445 are disengaged from each other.

[0136] As shown in the figure, the locking mechanism 400 also includes a reset member 446, which acts on the limiting member and drives the limiting member to move to the stopped state. This achieves a stopped state without external force, resulting in high safety and stability.

[0137] like Figure 6As shown, both the limiting component and the stop 445 are gears that mesh with each other. The use of gears in the limiting component and the stop 445 results in a simple structure and high stability.

[0138] In this embodiment, the connecting part 310 is provided with a buffer mechanism corresponding to the bottom of the battery swapping vehicle. The buffer mechanism is disposed on the outer periphery of the locking member 200 or the locking mechanism 400, and includes a buffer member that can elastically deform in the vertical direction. The buffer member of the buffer mechanism reduces the impact of bumps on the battery pack 100, which is beneficial to improving the operational stability and service life of the battery pack 100.

[0139] In this embodiment, the locking member 200 is positioned below the centerline of the battery pack 100 in the height direction. This ensures the capacity of the battery pack 100 while saving height space around the battery pack 100, thus improving space utilization.

[0140] This embodiment also provides a battery swapping vehicle, which includes a vehicle frame and the quick-swap assembly described above. The quick-swap assembly includes three battery packs 100, one of which is located between two vehicle frames, and the other two battery packs 100 are located on either side of the two vehicle frames. The three battery packs 100 are evenly arranged to make reasonable use of the underside space of the battery swapping vehicle.

[0141] Specifically, the battery-swapping vehicles are electric trucks. The underbody space of electric trucks is efficiently utilized, allowing for the installation of multiple battery packs (100), which helps to increase their driving range.

[0142] Example 2

[0143] This embodiment has a basically the same structure as Embodiment 1, except that:

[0144] like Figure 7 As shown, in this embodiment, the locking member 200 is floatingly connected to the battery swapping vehicle. This floating connection reduces the impact of bumps on the battery swapping vehicle.

[0145] In other embodiments, the locking mechanism 400 may also be floatingly connected to the battery swapping vehicle.

[0146] Specifically, the locking member 200 includes a mounting base 210, an elastic member 220, and a locking member body 230. The elastic member 220 is connected to the mounting base 210, one end of the locking member body 230 is connected to the elastic member 220, and the other end of the locking member body 230 is used to lock within the locking mechanism 400.

[0147] The locking member body 230 is floatingly connected to the mounting base 210 via the elastic member 220. When the locking member 200 is locked in the locking mechanism 400, the locking member 200 has a certain shock absorption effect.

[0148] Furthermore, the locking body 230 includes a floating plate 231 and a locking rod 232 connected to each other. The mounting base 210 has a movable cavity 211, specifically a circular groove with a through groove 212 at the bottom. The floating plate 231 is placed inside the circular groove, and the locking rod 232 passes through the through groove 212. The cover plate 240 seals the opening on the upper side of the circular groove and encloses the floating plate 231 within the circular groove. An annular movable gap 213 is formed between the side of the floating plate 231 and the inner wall of the circular groove. An elastic member 220 fills the annular movable gap 213. The other end of the locking rod 232 is used to lock within the locking mechanism 400. In this example, the annular gap is filled with the elastic member 220 so that the outer periphery of the floating plate 231 is subjected to uniform elastic force. After the floating plate 231 is moved by force, it can rebound to the center position, possessing a certain self-centering ability.

[0149] In this embodiment, the locking mechanism 400 is floatingly connected to the battery pack 100. This floating connection reduces the impact of bumps on the battery pack 100, thus improving its operational stability and lifespan.

[0150] In other embodiments, the locking element 200 may be floatingly connected to the battery pack 100.

[0151] 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. A quick-change assembly, characterized in that, The battery pack is arranged along the length of the battery swapping vehicle. Multiple locking mechanisms are arranged at intervals on both sides of the battery pack along the width and / or length of the vehicle body. The locking mechanisms are used to cooperate with the locking parts on the battery swapping vehicle by means of the locking method of the claws approaching each other, so as to lock the battery pack. The locking member includes multiple locking claws, and the locking mechanism includes a locking shaft; or, the locking member includes a locking shaft, and the locking mechanism includes multiple locking claws; The locking mechanism is detachably connected to the locking member to independently lock the battery pack to the battery swapping vehicle; The locking mechanism further includes a driving component and a lock base. Multiple locking claws are disposed on the lock base and can move on the lock base. The driving component can simultaneously drive multiple locking claws to move, so that the multiple locking claws can come together to lock onto the lock shaft or the multiple locking claws can open to unlock onto the lock shaft. The driving component includes a rotating nut and a driving member. The rotating nut is rotatably disposed in the lock base. One end of the driving member is threadedly connected to the rotating nut, so that the rotating nut drives the driving member to rotate towards or away from the lock claws until the other end of the driving member abuts against or disengages from the force-bearing part of the multiple lock claws, thereby realizing the locking or unlocking of the lock claws.

2. The quick-change assembly as described in claim 1, characterized in that, Each of the multiple locking claws has a spaced-apart hinge portion and a force-receiving portion located outside the hinge portion at its bottom. The hinge portion is hinged to the lock base. The driving component acts on the multiple force-receiving portions to bring the multiple locking claws together to a locking position.

3. The quick-change assembly as described in claim 2, characterized in that, The driving component includes a screw and a locking plate. The screw is connected to the bottom surface of the locking plate and to the rotating nut. The locking plate can move in a direction close to or away from the multiple locking claws and abut against the force-bearing parts of the multiple locking claws.

4. The quick-change assembly as described in claim 1, characterized in that, The locking mechanism further includes a reset component, which abuts against the plurality of locking claws and is used to drive the plurality of locking claws to open relative to each other.

5. The quick-change assembly as described in claim 2, characterized in that, The locking mechanism further includes a limiting component, which is connected to the rotating nut and is disposed within the lock base and is movable within the lock base, and has a stopped state and an active state; In the stopped state, the limiting member is connected to the lock base and is restricted from rotating within the lock base; In the active state, the limiting component disengages from the lock base, so that the limiting component drives the rotating nut to rotate together.

6. The quick-change assembly as described in claim 1, characterized in that, The battery pack has at least a plurality of locking mechanisms in its edge region. The plurality of locking mechanisms are arranged along the length and / or width of the battery swapping vehicle in the edge region of the battery pack to lock or unlock the battery pack to the bottom of the battery swapping vehicle.

7. The quick-change assembly as described in claim 6, characterized in that, The plurality of locking mechanisms are also disposed in the middle region of each of the battery packs.

8. The quick-change assembly as described in claim 7, characterized in that, When there are multiple locking mechanisms located in the middle region, these multiple locking mechanisms are distributed along the length or width direction of the vehicle body.

9. The quick-change assembly as described in claim 7, characterized in that, The locking mechanism located in the middle area is attached to the bottom of the battery swapping vehicle along the height direction of the battery swapping vehicle.

10. The quick-change assembly as described in claim 1, characterized in that, The quick-swap assembly also includes a battery pack bracket, which is used to support the battery pack and the connecting part of the battery pack bracket is disposed on the edge of the battery pack. The locking mechanism is disposed on the connecting part and the locking element is disposed on the bottom of the battery swapping vehicle. Alternatively, the locking element may be disposed on the connecting portion, and the locking mechanism may be disposed on the bottom of the battery swapping vehicle.

11. The quick-change assembly as described in claim 10, characterized in that, The battery pack bracket includes a bracket body connected to the vehicle body. The bracket body and the connecting part are an integral structure, or the connecting part is detachably connected to the bracket body.

12. The quick-change assembly as described in claim 10, characterized in that, The connecting portion is disposed on both sides of the battery pack bracket extending along the width direction of the battery swapping vehicle; And / or, the connecting portion is disposed on both sides of the battery pack bracket extending along the length direction of the battery swapping vehicle.

13. The quick-change assembly as described in claim 12, characterized in that, Along the width direction of the battery swapping vehicle, the connecting portion is provided at least at both ends of the battery pack; And / or, along the length of the battery swapping vehicle, the connecting portion is provided at least at both ends of the battery pack.

14. The quick-change assembly as described in claim 10, characterized in that, The quick-swap assembly also includes a liquid-cooled connector and an electrical connector. The electrical connector and the liquid-cooled connector are disposed on opposite sides of the battery pack bracket along the length direction of the battery swapping vehicle. The electrical connector is disposed on the rear side of the battery swapping vehicle along the length direction, and the liquid-cooled connector is disposed on the front side of the battery swapping vehicle along the length direction.

15. The quick-change assembly as described in claim 1, characterized in that, The quick-swap assembly is fixedly connected to the beam of the battery swapping vehicle to install at least two of the battery packs in the battery swapping vehicle.

16. The quick-change assembly as described in claim 1, characterized in that, The locking mechanism or the locking element is floatingly connected to the battery pack.

17. The quick-change assembly as described in claim 1, characterized in that, The locking mechanism or the locking element is floatingly connected to the battery swapping vehicle.

18. The quick-change assembly as described in claim 10, characterized in that, The connecting part is provided with a buffer mechanism corresponding to the bottom of the battery swapping vehicle. The buffer mechanism is located on the outer periphery of the locking member or the locking mechanism, and the buffer mechanism includes a buffer member that can elastically deform in the vertical direction.

19. The quick-change assembly as described in claim 1, characterized in that, In the height direction of the battery pack, the locking member is located below the centerline of the battery pack.

20. A battery-swapping vehicle, characterized in that, The battery swapping vehicle includes a frame and a quick-swap assembly as described in any one of claims 1-19. The quick-swap assembly includes three battery packs, one of which is located between two frames of the battery swapping vehicle, and the other two battery packs are located on both sides of the two frames.

21. The battery swapping vehicle as described in claim 20, characterized in that, The battery-swapping vehicle is an electric truck.

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