Position adjustment mechanism and quick-change bracket or charging rack, electric vehicle or battery swapping station

Abstract

This invention provides a position adjustment mechanism and a quick-swap bracket or charging rack, electric vehicle, or battery swapping station. The position adjustment mechanism includes: a drive unit slidably disposed on the charging rack or quick-swap bracket; a rotating part with a first electrical connector mounted on it, connected to the charging rack or quick-swap bracket; the rotating part is connected to the drive unit, and the drive unit drives the rotating part to rotate under external force, so that the first electrical connector is electrically connected or disconnected from a second electrical connector disposed on the battery pack. The drive unit enables the first electrical connector on the rotating part to be electrically connected or disconnected from the second electrical connector on the battery pack. The drive unit does not require an additional power source; only external force is needed to move the drive unit and drive the rotating part to rotate, thus saving energy. At the same time, by eliminating the need for a power source, the problem of battery pack installation failure caused by power source failure is avoided.

Description

Technical Field

[0001] This invention relates to the field of battery swapping, and particularly to a position adjustment mechanism and a quick-swap bracket or charging rack, electric vehicle or battery swapping station. 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 also gradually appearing in their respective application scenarios.

[0003] In existing technologies, some battery packs have their electrical connectors located on their sides. Therefore, when the battery pack is vertically attached to the bottom of the vehicle, the electrical connectors on the vehicle need to be moved towards the side of the battery pack under the action of a power source until the two connectors align and connect. This power source consumes energy during the battery pack attachment process, further increasing battery swapping costs. Moreover, if the power source malfunctions, the two connectors may fail to connect successfully, resulting in battery pack installation failure. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the defects in the prior art that require the electrical connector on the power source driving vehicle to be aligned and connected with the electrical connector on the battery pack, which leads to increased battery swapping costs and battery pack installation failure when the power source fails. The present invention provides a position adjustment mechanism and a quick-change bracket or charging rack, electric vehicle or battery swapping station.

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

[0006] A position adjustment mechanism includes: a drive part slidably disposed on a charging rack or a quick-change bracket; a rotating part with a first electrical connector mounted thereon, the rotating part being connected to the charging rack or the quick-change bracket; the rotating part being connected to the drive part, the drive part driving the rotating part to rotate under the action of an external force, so that the first electrical connector is electrically connected to or disconnected from a second electrical connector disposed on a battery pack.

[0007] In this design, the rotating part is connected to the driving part. The driving part drives the rotating part to rotate under the movement of the battery pack. The first electrical connector on the driving rotating part is electrically connected or disconnected from the second electrical connector of the battery pack. The driving part does not require an additional power source; it only needs to be driven by the movement of the battery pack to rotate the rotating part, thus saving energy. At the same time, by eliminating the power source, the problem of battery pack installation failure caused by power source failure is also avoided.

[0008] Preferably, the driving part is vertically slidably disposed on the charging rack or quick-change bracket; the driving part drives the rotating part to rotate under the action of a vertical external force, so that the first electrical connector is electrically connected or disconnected from the second electrical connector disposed on the side of the battery pack.

[0009] In this solution, the drive unit drives the rotating unit to rotate under the vertical movement applied to it by the battery pack. The vertical movement of the battery pack does not require a change in the form of movement. The drive unit is directly mounted vertically on the battery pack. The vertical movement of the battery pack causes the drive unit to move in the vertical direction. The drive unit drives the first electrical connector on the rotating unit to connect or disconnect from the second electrical connector on the side of the battery pack.

[0010] Preferably, the driving part includes a rack that is vertically slidably disposed on the charging rack or quick-change bracket, and the rotating part includes a gear. The rack and the gear mesh and drive each other, and the rack moves vertically to drive the gear to rotate.

[0011] In this solution, the rack drives the gear to rotate, which is simple in structure. The rack slides vertically upward or downward to move the first electrical connector closer to or away from the direction of the battery pack, thereby electrically connecting or separating the first electrical connector from the second electrical connector. The rack and gear can be purchased externally, without the need for mold making and manufacturing, thus reducing costs.

[0012] Preferably, the driving part includes a worm gear that is vertically or laterally rotatably mounted on the charging rack or quick-change bracket, and the rotating part includes a worm wheel. The worm gear and the worm wheel mesh and drive each other, and the rotation of the worm gear drives the rotation of the worm wheel.

[0013] In this solution, the worm gear drives the worm wheel to rotate, resulting in a simple structure. The worm gear can be set vertically or horizontally, driving the worm wheel to rotate so that the first electrical connector moves closer to or away from the battery pack, thereby electrically connecting or separating the first electrical connector from the second electrical connector. The worm wheel and worm gear can be purchased externally, eliminating the need for in-house mold manufacturing and reducing costs.

[0014] Preferably, the rotating part further includes a rotating plate for mounting the first electrical connector and a rotating shaft fixedly connected to the rotating plate, and the gear is sleeved and fixedly connected to the rotating shaft.

[0015] In this scheme, the first electrical connector is mounted on the rotating plate, the rotating plate is fixedly connected to the rotating shaft, and the gear is sleeved and fixedly connected to the rotating shaft, so that the transmission of the gear is converted into the rotation of the rotating shaft and then into the rotation of the rotating plate. The rotation of the rotating plate drives the first connector on the rotating plate to be electrically connected or disconnected from the second electrical connector on the battery pack.

[0016] Preferably, the rotating part further includes at least two rotating seats connected to the charging rack or quick-change bracket, and the rotating shaft passes through the rotating seats and can rotate along its own axis.

[0017] In this design, at least two rotating seats are provided to provide multi-point support for the rotating shaft, thereby improving the stability of the rotating shaft and the rotating plate and reducing the swaying of the rotating plate during rotation.

[0018] Preferably, the drive unit further includes a vertically extending guide rail, on which a vertically extending guide groove is provided, and a guide block is provided on the side of the rack away from the gear, the guide block being located in the guide groove and movable in the vertical direction.

[0019] In this design, a guide groove is provided inside the guide rail, and the guide block on the rack moves vertically along the guide groove inside the guide rail. Through the sliding cooperation between the guide groove and the guide block, the frictional resistance encountered by the rack during its vertical movement is reduced, and the movement is smoother.

[0020] Preferably, the drive unit further includes a limiting seat mounted on the charging rack or quick-change bracket, the limiting seat having a receiving space for accommodating a rack and / or a guide rail, the rack and / or the guide rail passing upward through the charging rack or quick-change bracket and extending into the receiving space.

[0021] In this solution, the limiting seat is provided with a receiving space to accommodate the rack and / or guide rail, and the rack and / or guide rail are located within the receiving space. This can protect the top of the rack and / or guide rail, prevent external elements from entering between the guide groove and the guide block, and ensure smooth sliding of the rack in the vertical direction.

[0022] Preferably, the limiting seat is an inverted U-shaped plate structure, the lower end of the limiting seat is connected to the charging rack or quick-change bracket, the opening of the limiting seat is set downward and forms the receiving space, and at least part of the rack and / or guide rail extends into the opening of the limiting seat.

[0023] In this design, the fact that part of the rack and guide rail extends into the opening of the limiting seat can protect the top of the rack and guide rail, preventing foreign objects from entering between the guide groove and the guide block. In addition, the limiting seat has a simple structure and facilitates external observation of the actual situation of the guide rail and rack.

[0024] Preferably, the drive unit further includes an elastic element, and the rack is elastically connected to the limiting seat through the elastic element.

[0025] In this design, the elastic element prevents the rack from falling off the quick-change bracket or charging rack, and the elastic element can act on the rack to apply a downward force, thereby keeping the rotating plate in the upward-facing state.

[0026] Preferably, the elastic element is a compression spring, and the rack is connected to the top inner wall of the limiting seat via the compression spring.

[0027] In this solution, the elastic element is a compression spring, which is low in cost. The rack is connected to the top inner wall of the limiting seat through the compression spring, so that the compression spring provides a certain elastic force as the rack moves away from the top inner wall of the limiting seat.

[0028] Preferably, the top of the rack is provided with a horizontally arranged second connecting plate, and the upper end surface of the second connecting plate is connected to the top inner wall of the limiting seat through at least two spaced elastic elements.

[0029] In this design, a second connecting plate is installed at the top of the rack. By increasing the number of elastic elements, the elastic force on the rack is increased, ensuring that the rotating plate can remain in the upward-folded state.

[0030] Preferably, the driving part is horizontally slidably disposed on the charging rack or quick-change bracket; the driving part drives the rotating part to rotate under the action of a horizontal external force, so that the first electrical connector is electrically connected or disconnected from the second electrical connector disposed on the side of the battery pack.

[0031] In this solution, the drive unit drives the rotating part to rotate under the action of the horizontal external force applied to it by the battery pack. The horizontal movement of the battery pack causes the drive unit to move horizontally. The drive unit drives the first electrical connector on the rotating part to connect or disconnect with the second electrical connector on the side of the battery pack.

[0032] A quick-change bracket, the quick-change bracket including the position adjustment mechanism as described above.

[0033] In this design, the quick-change bracket includes a position adjustment mechanism connected to a drive unit via a rotating part. The drive unit rotates the rotating part under the influence of the battery pack's movement. The first electrical connector on the rotating part is electrically connected to or disconnected from the second electrical connector on the battery pack. The drive unit requires no additional power source; the movement of the battery pack drives the drive unit and, consequently, the rotating part, thus saving energy. Furthermore, eliminating the need for a separate power source avoids the problem of battery pack installation failure caused by power source malfunction.

[0034] An electric vehicle comprising a quick-change bracket as described above.

[0035] In this design, the electric vehicle includes a vehicle beam, with a quick-change bracket mounted on the beam. The quick-change bracket is equipped with a position adjustment mechanism, which connects to a drive unit via a rotating part. The drive unit rotates the rotating part under the influence of the battery pack's movement. A first electrical connector on the rotating part is electrically connected to or disconnected from a second electrical connector on the battery pack. The drive unit does not require an additional power source; it only needs the movement of the battery pack to drive the drive unit and thus the rotation of the rotating part, saving energy. Furthermore, by eliminating the need for a separate power source, the design avoids the problem of battery pack installation failure caused by power source malfunction.

[0036] A charging stand, the charging stand including the position adjustment mechanism as described above.

[0037] In this design, the charging rack includes a position adjustment mechanism connected to a drive unit via a rotating part. The drive unit rotates the rotating part under the influence of the battery pack's movement. A first electrical connector on the rotating part is electrically connected to or disconnected from a second electrical connector on the battery pack. The drive unit requires no additional power source; the movement of the battery pack drives the drive unit and, consequently, the rotating part, thus saving energy. Furthermore, eliminating the need for a separate power source avoids the problem of battery pack installation failure caused by power source malfunction.

[0038] A battery swapping station, the battery swapping station including the charging rack as described above.

[0039] The positive and progressive effects of this invention are as follows:

[0040] The rotating part is connected to the driving part. The driving part drives the rotating part to rotate under the movement of the battery pack. The first electrical connector on the driving rotating part is electrically connected or disconnected from the second electrical connector of the battery pack. The driving part does not require an additional power source; it only needs to be driven by the movement of the battery pack to rotate the rotating part, thus saving energy. At the same time, by eliminating the need for a power source, the problem of battery pack installation failure caused by power source failure is also avoided. Attached Figure Description

[0041] Figure 1 This is a three-dimensional structural diagram of the quick-change bracket, including a position adjustment mechanism, mounted on a vehicle beam according to the present invention.

[0042] Figure 2 This is a partial structural schematic diagram of the position adjustment mechanism of the present invention.

[0043] Figure 3 This is a schematic diagram of the structure of the limiting seat of the present invention.

[0044] Figure 4 This is a partial structural diagram of the quick-change bracket and the vehicle beam of the present invention.

[0045] Figure 5This is a schematic diagram of the structure of the battery terminal electrical connector of the present invention.

[0046] Figure 6 This is a cross-sectional structural diagram of the position adjustment mechanism of the present invention.

[0047] Explanation of reference numerals in the attached figures

[0048] Second electrical connector 10

[0049] Battery Pack 2

[0050] Car beam 3

[0051] Quick-change bracket 30

[0052] Position adjustment mechanism 300

[0053] Rotating part 3001

[0054] Drive Unit 3002

[0055] Rack 30021

[0056] Rotating plate 30022

[0057] Rotating shaft 30023

[0058] Gear 30024

[0059] Rotary seat 301

[0060] First connecting plate 310

[0061] Mounting plate 311

[0062] Horizontal plate 312

[0063] Limit seat 313

[0064] Elastic component 314

[0065] Compression Spring 3140

[0066] Second connecting plate 315

[0067] Guide block 33

[0068] Guide rail 34

[0069] Guide groove 35 Detailed Implementation

[0070] The present invention will be described more clearly and completely below with reference to a preferred embodiment and the accompanying drawings.

[0071] Example 1

[0072] This embodiment discloses a quick-change bracket 30, which includes a position adjustment mechanism 300, specifically, as follows: Figure 1 As shown, the quick-change bracket 30 includes a vertically arranged mounting plate 311, a vertically arranged first connecting plate 310, and a horizontally arranged cross plate 312. The mounting plate 311 extends along the width direction of the electric vehicle and is perpendicular to the connecting plate 310. The cross plate 312 is connected to both the first connecting plate 310 and the mounting plate 311, and is located between the first connecting plate 310 and the mounting plate 311. The quick-change bracket 30 is connected to the side of the vehicle beam 3 of the electric vehicle via its connecting plate 310.

[0073] like Figures 1-6 As shown, the position adjustment mechanism 300 includes a drive part 3002 and a rotating part 3001. The drive part 3002 is slidably disposed on the quick-change bracket 30. A first electrical connector is mounted on the rotating part 3001, and the rotating part 3001 is connected to the quick-change bracket 30. The rotating part 3001 is connected to the drive part 3002. Under the action of an external force, the drive part 3002 drives the rotating part 3001 to rotate, so that the first electrical connector is electrically connected or disconnected from the second electrical connector 10 of the battery pack 2 disposed in the electric vehicle or the battery swapping station. The aforementioned external force is provided by the battery pack.

[0074] Specifically, Figure 3 and Figure 4 As shown, the drive unit 3002 includes a rack 30021 that is vertically slidably disposed on the horizontal plate of the quick-change bracket 30, and the rotating unit 3001 includes a rotating plate 30022 for mounting the first electrical connector, a rotating shaft 30023 fixedly connected to the rotating plate 30022, a gear 30024 sleeved and fixedly connected to the rotating shaft 30023, and a plurality of rotating seats 301. The horizontal plate is provided with a plurality of rotating seats 301 at the end near the first electrical connector. The rotating shaft 30023 passes through the rotating seats 301 and rotates around the axis of the rotating shaft 30023, thereby setting the rotating plate 30022 on the side of the quick-change bracket 30. The rack 30021 and gear 30024 mesh and drive each other. The rack 30021 moves vertically synchronously under the vertical movement of the battery pack to drive the gear 30024 to rotate. The rack 30021 drives the gear 30024 to rotate. The transmission structure is simple. The rack 30021 slides vertically up or down to make the first electrical connector move closer or away from the direction of the battery pack 2, so that the first electrical connector is electrically connected or disconnected from the second electrical connector 10. The rack 30021 and gear 30024 can be purchased externally without the need for mold making and manufacturing, thus reducing costs.

[0075] Furthermore, such as Figure 6 As shown, the specific structure of the sliding connection between the rack 30021 and the cross plate 312 is as follows: Figure 6As shown, a guide block 33 is provided on the side of the rack 30021 away from the gear 30024. A vertically extending guide rail 34 is provided on the horizontal plate of the quick-change bracket 30. A vertically extending guide groove 35 is formed on the guide rail 34. The guide block 33 is located within the guide groove 35 and can move vertically. Through the sliding engagement of the guide groove 35 and the guide block 33, the frictional resistance experienced by the rack 30021 during vertical movement is reduced, resulting in smoother movement. In this embodiment, as... Figure 4 As shown, the top of the rack 30021 passes upward through the horizontal plate 312. The drive unit also includes a limiting seat and an elastic element. The limiting seat 313 is located above the top position of the horizontal plate 312 corresponding to the top of the rack 30021. The rack 30021 is elastically connected to the limiting seat 313 via the elastic element 314. Figure 3 As shown, the limiting seat 313 has an inverted U-shaped plate structure. The lower end of the limiting seat 313 is connected to the upper end face of the horizontal plate 312. The opening of the limiting seat 313 faces downward and forms a receiving space. Part of the rack 30021 and the guide rail 34 extend into the opening of the limiting seat 313, that is, into this receiving space. The fact that part of the rack 30021 and the guide rail 34 extends into the opening of the limiting seat 313 protects the tops of the rack 30021 and the guide rail 34, preventing foreign objects from entering between the guide groove 35 and the guide block 33. The limiting seat 313 has a simple structure and also facilitates external observation of the actual situation of the guide rail 34 and the rack 30021. The elastic element 314 prevents the rack 30021 from falling off the quick-change bracket 30. The elastic element 314 can act on the rack 30021, applying a downward force to it, thereby keeping the rotating plate 30022 in the upward-facing state.

[0076] The elastic element 314 is a compression spring 3140, and the rack 30021 is connected to the top inner wall of the limiting seat 313 via the compression spring 3140. The compression spring 3140 is a low-cost elastic element, and the connection of the rack 30021 to the top inner wall of the limiting seat 313 via the compression spring 3140 allows the compression spring 3140 to provide a certain elastic force as the rack 30021 moves away from the top inner wall of the limiting seat 313. The elastic element 314 can apply a restoring force, causing the rack 30021 to move downwards, thereby causing the first electrical connector to rotate away from the second electrical connector 10, thus separating the two electrical connectors and facilitating the disassembly of the battery pack 2.

[0077] Furthermore, such as Figure 2 As shown, the top of the rack 30021 is also provided with a horizontally arranged second connecting plate 315. The upper end face of the second connecting plate 315 is connected to the top inner wall of the limiting seat 313 through two spaced elastic members 314. Increasing the number of elastic members 314 increases the elastic force on the rack 30021, ensuring that the rotating plate 30022 can be kept in the upward flipped state.

[0078] In other preferred embodiments, the number of elastic elements 314 provided on the second connecting plate 315 is not limited to this example, and can be more. The more elastic elements 314 there are, the greater the elastic restoring force that can be provided.

[0079] In other preferred embodiments, the drive unit 3002 and the rotating unit 3001 can also be other structures capable of converting linear motion into rotational motion. For example, the drive unit 3002 includes a worm gear vertically or horizontally mounted on the quick-change bracket 30, and the rotating unit 3001 includes a worm wheel. The worm gear and the worm wheel mesh and drive each other, with the worm gear rotating to drive the worm wheel to rotate. This method, where the worm gear rotates to drive the worm wheel, is simple in structure. The rotation of the worm gear drives the rotation of the worm wheel, causing the first electrical connector to move closer to or away from the location of the battery pack 2, thereby electrically connecting or separating the first electrical connector from the second electrical connector 10. The worm wheel and worm gear can be purchased externally, eliminating the need for in-house mold manufacturing and reducing costs.

[0080] In this embodiment, as Figure 5 As shown, during the process of the battery pack 2 being raised from bottom to top until it is locked under the quick-change bracket 30, the top of the battery pack 2 pushes the rack 30021 upward. The rack 30021 moves upward synchronously with the battery pack 2, and the compression spring 3140 is compressed. Then, through the external meshing gear 30024 and the rack 30021, the vertical upward movement is converted into the rotation plate 30022 rotating with the axis of the rotation shaft 30023 as the rotation center, and rotating towards the direction close to the battery pack 2, thereby driving the first electrical connector to connect with the second electrical connector 10 provided on the side of the battery pack 2.

[0081] As the battery pack 2 is removed from the quick-change bracket 30, it gradually moves downwards away from the bracket 30. Under the elastic force of the compression spring 3140, the rack 30021 initially moves downwards synchronously with the battery pack 2 until the compression spring 3140 returns to its initial state, at which point the rack 30021 stops moving downwards with the battery pack 2. During the downward vertical movement of the rack 30021, the externally meshing gear 30024 and the rack 30021 transform the downward vertical movement into a rotation of the rotating plate 30022 around the axis of the rotating shaft 30023, moving it away from the battery pack 2. This causes the first electrical connector to gradually separate from the second electrical connector 10 located on the side of the battery pack 2, and ultimately keeps the rotating plate 30022 in an upward-facing state.

[0082] It should be noted that the initial state of the aforementioned compression spring 3140 does not refer to the state when the compression spring 3140 is not subjected to any external force. In this article, it refers to the state when the compression spring 3140 is not subjected to the force of the battery pack 2 and keeps the rotating plate 30022 in the upward state.

[0083] In this embodiment, the drive unit 3002 drives the rotating unit 3001 without an additional power source. The movement of the battery pack 2 is sufficient to move the drive unit 3002 and drive the rotating unit 3001 to rotate, thus saving the energy required to drive the rotating unit 3001 to rotate. At the same time, by eliminating the need for a power source, the problem of battery pack 2 installation failure caused by power source failure is also avoided.

[0084] This embodiment also discloses an electric vehicle, such as Figure 1 As shown, the electric vehicle includes a beam 3 and a quick-change bracket 30 as described above, which is connected to the side of the beam 3.

[0085] This embodiment also discloses a charging rack, which is provided with the position adjustment mechanism 300 of the aforementioned example.

[0086] This embodiment also discloses a battery swapping station, which includes the charging rack of the aforementioned example for charging and discharging the battery pack 2.

[0087] Example 2

[0088] Example 2 discloses a quick-change bracket, which is provided with a position adjustment mechanism. The position adjustment mechanism includes a rotating part on which a first electrical connector is mounted and a driving part that moves horizontally with the horizontal movement of the battery pack. That is, the driving part drives the rotating part to rotate under the action of an external force, so as to realize the electrical connection or separation of the first electrical connector and the second electrical connector disposed on the top of the battery pack.

[0089] The drive unit is horizontally slidably mounted on the quick-change bracket, and the rotating unit is rotatably connected to the end of the quick-change bracket. The rotating unit is connected to the drive unit. When the battery pack moves horizontally, it drives the rotating unit to rotate toward the direction of the second electrical connector of the battery pack, so that the first electrical connector rotates along the direction close to the second electrical connector and relative to the second electrical connector.

[0090] The structure and linkage relationship of the driving part and the rotating part in this embodiment 2 are the same as those in embodiment 1. The difference is that the driving part and the rotating part are both rotated 90° and connected to the quick-change bracket. That is, the guide rail and the rack are both horizontally slidably arranged on the quick-change bracket, and the opening of the limit seat is also horizontally arranged.

[0091] When the battery pack is connected to the quick-change bracket, the rotating plate is set horizontally so that the first electrical connector is electrically connected to the second electrical connector on the top of the battery pack.

[0092] After the battery pack is removed from the quick-change bracket, the rotating plate rotates upward and remains in the upward position, causing the first electrical connector to separate from the second electrical connector.

[0093] This embodiment also discloses an electric vehicle, which includes a vehicle beam and the quick-change bracket of the aforementioned example, the quick-change bracket being connected to the vehicle beam.

[0094] This embodiment also discloses a charging stand, which is provided with the position adjustment mechanism of the aforementioned example.

[0095] This embodiment also discloses a battery swapping station, which includes the charging rack of the aforementioned example for charging and discharging the battery pack.

[0096] 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 position adjustment mechanism, characterized in that, The position adjustment mechanism includes: A drive unit that slides onto a charging stand or quick-change bracket; A rotating part equipped with a first electrical connector is connected to the charging rack or quick-change bracket; The rotating part is connected to the driving part, and the driving part drives the rotating part to rotate under the action of external force, so that the first electrical connector is electrically connected or disconnected from the second electrical connector disposed in the battery pack. The driving part is vertically slidably disposed on the charging rack or quick-change bracket. The driving part includes a rack that is vertically slidably disposed on the charging rack or quick-change bracket. The rotating part includes a gear. The rack and the gear mesh and drive each other. The rack moves vertically to drive the gear to rotate. The rotating part further includes a rotating plate for mounting the first electrical connector and a rotating shaft fixedly connected to the rotating plate, and the gear is sleeved and fixedly connected to the rotating shaft; During the process of removing the battery pack from the quick-change bracket, the rotating plate rotates away from the battery pack, causing the first electrical connector and the second electrical connector to gradually separate, and finally keeping the rotating plate in an upward-facing state.

2. The position adjustment mechanism as described in claim 1, characterized in that, The rotating part further includes at least two rotating seats connected to the charging rack or quick-change bracket, and the rotating shaft passes through the rotating seats and can rotate along its own axis.

3. The position adjustment mechanism as described in claim 1, characterized in that, The drive unit also includes a vertically extending guide rail, on which a vertically extending guide groove is provided. A guide block is provided on the side of the rack away from the gear, and the guide block is located in the guide groove and can move in the vertical direction.

4. The position adjustment mechanism as described in claim 3, characterized in that, The drive unit also includes a limiting seat mounted on the charging rack or quick-change bracket. The limiting seat has a receiving space for accommodating a rack and / or a guide rail. The rack and / or guide rail passes upward through the charging rack or quick-change bracket and extends into the receiving space.

5. The position adjustment mechanism as described in claim 4, characterized in that, The limiting seat is an inverted U-shaped plate structure. The lower end of the limiting seat is connected to the charging rack or quick-change bracket. The opening of the limiting seat is set downward to form the receiving space. At least part of the rack and / or guide rail extends into the opening of the limiting seat.

6. The position adjustment mechanism as described in claim 5, characterized in that, The drive unit also includes an elastic element, and the rack is elastically connected to the limiting seat through the elastic element.

7. The position adjustment mechanism as described in claim 6, characterized in that, The elastic element is a compression spring, and the rack is connected to the top inner wall of the limiting seat through the compression spring.

8. The position adjustment mechanism as described in claim 6, characterized in that, The top of the rack is provided with a horizontally arranged second connecting plate, and the upper end surface of the second connecting plate is connected to the top inner wall of the limiting seat through at least two spaced elastic elements.

9. A position adjustment mechanism, characterized in that, The position adjustment mechanism includes: A drive unit that slides onto a charging stand or quick-change bracket; A rotating part equipped with a first electrical connector is connected to the charging rack or quick-change bracket; The rotating part is connected to the driving part, and the driving part drives the rotating part to rotate under the action of external force, so that the first electrical connector is electrically connected or disconnected from the second electrical connector disposed in the battery pack. The drive unit is horizontally slidably mounted on the charging rack or quick-change bracket; The driving part drives the rotating part to rotate under the action of a horizontal external force, so that the first electrical connector is electrically connected or disconnected from the second electrical connector disposed on the side of the battery pack. The driving part includes a rack, and the rotating part includes a gear. The rack and the gear mesh and drive each other. The rack slides horizontally to drive the gear to rotate. The rotating part further includes a rotating plate for mounting the first electrical connector and a rotating shaft fixedly connected to the rotating plate, and the gear is sleeved and fixedly connected to the rotating shaft; When the battery pack is connected to the quick-change bracket, the rotating plate is horizontally positioned so that the first electrical connector is electrically connected to the second electrical connector; During the process of removing the battery pack from the quick-change bracket, the rotating plate rotates away from the battery pack, causing the first electrical connector and the second electrical connector to gradually separate, and finally keeping the rotating plate in an upward-facing state.

10. A quick-change bracket, characterized in that, The quick-change bracket includes a position adjustment mechanism as described in any one of claims 1-9.

11. An electric vehicle, characterized in that, The electric vehicle includes the quick-change bracket as described in claim 10.

12. A charging stand, characterized in that, The charging rack includes a position adjustment mechanism as described in any one of claims 1-9.

13. A battery swapping station, characterized in that, The battery swapping station includes the charging rack as described in claim 12.

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