Rotating device and vehicle

Abstract

The utility model discloses a rotating device and a vehicle. The rotating device comprises a to-be-rotated part and a rotating part, the power mechanism is in transmission connection with the part to be rotated; wherein the power mechanism comprises a first driving assembly, a first transmission assembly and a locking assembly, the first driving assembly is in driving connection with the first transmission assembly, and the part to be rotated is in one-way transmission connection with the first transmission assembly through the locking assembly. According to the rotating device, the first driving assembly is used for providing a power source for rotation of the to-be-rotated part, the first transmission assembly and the locking assembly sequentially transmit power of the first driving assembly to the to-be-rotated part, and therefore the to-be-rotated part can be driven to rotate. And when the to-be-rotated part is manually rotated, the first transmission assembly does not rotate along with the to-be-rotated part, so that the to-be-rotated part is allowed to be manually driven to rotate without influencing the power mechanism, and the safety is improved.

Description

Technical Field

[0001] The present application relates to the technical field of flip screen devices, and more particularly, to a rotating device and a vehicle. Background Art

[0002] In some application scenarios, the design of flip screens has been widely used, such as in-vehicle displays installed on the dashboard of a car or in-vehicle display screens installed on the top of the vehicle interior. Among them, as a vehicle entertainment device, the in-vehicle display screen can be opened during use and retracted into the roof when not in use to save space.

[0003] In the related art, during the rotation of the display screen, it can only be driven by a power source to rotate according to a predetermined program, and the screen cannot be pushed manually, so the angle and position of the display screen cannot be freely adjusted according to the needs of the user, which limits the user experience. In addition, when the power mechanism fails, the display screen cannot be operated manually, which will cause the rotation drive of the display screen to be completely paralyzed. Summary of the Utility Model

[0004] In order to solve the technical problems existing in the prior art, the present application provides a rotating device and a vehicle.

[0005] The present application adopts the following technical solutions:

[0006] According to one aspect of the present application, a rotating device is provided, including:

[0007] A member to be rotated;

[0008] A power mechanism, the power mechanism being in transmission connection with the member to be rotated;

[0009] Wherein, the power mechanism includes a first drive assembly, a first transmission assembly, and a locking assembly. The first drive assembly is in driving connection with the first transmission assembly, and the member to be rotated is in one-way transmission connection with the first transmission assembly through the locking assembly.

[0010] According to the rotating device of the present application, the locking assembly includes two output ends, namely a first locking disk and a second locking disk. The first locking disk is connected to the member to be rotated, and the second locking disk is connected to the first transmission assembly.

[0011] Optionally, the locking assembly further includes a friction plate, a bolt, a spring washer, and a nut. The bolt and the nut are connected, and the first locking disk, the friction plate, the second locking disk, and the spring washer are sequentially sleeved on the bolt. The two sides of the spring washer are respectively in contact with the second locking disk and the nut.

[0012] Optionally, the first transmission assembly includes a worm and worm gear, a first transmission gear, and a transmission shaft that are sequentially drivingly connected. The other end of the worm and worm gear is drivingly connected to the first drive assembly, and the transmission shaft is connected to the second locking disc.

[0013] Optionally, a damper is sleeved on the transmission shaft, and the damper is in interference fit with the transmission shaft.

[0014] Optionally, a fastener is further provided on the damper, and the fastener is threadedly connected to both ends of the damper.

[0015] Optionally, an elastic member is provided between the fastener and the damper.

[0016] The rotating device according to the present application further includes:

[0017] A locking tongue mechanism, the locking tongue mechanism includes locking tongues located on both sides of the member to be rotated. The member to be rotated has a locking groove, and the locking tongues can move to engage with or disengage from the locking groove.

[0018] Optionally, the locking tongue mechanism includes a second driving part, a rack, and a second transmission gear. The rack is connected to the locking tongue, the output shaft of the second driving part is drivingly connected to the second transmission gear, and the second transmission gear meshes with the rack.

[0019] According to another aspect of the present application, a vehicle is provided, including the rotating device.

[0020] As can be seen from the above technical solutions, the advantages and positive effects of a rotating device and a vehicle according to the present application are as follows:

[0021] The first drive assembly can provide a power source for the rotation of the member to be rotated. The first transmission assembly and the locking assembly sequentially transmit the power of the first drive assembly to the member to be rotated, thereby driving the member to be rotated, ensuring the smoothness and efficiency of the rotation of the member to be rotated. When the member to be rotated is manually rotated, the first transmission assembly does not rotate with the member to be rotated. And when the first drive assembly is not started, the member to be rotated can be manually driven to rotate, and the angle and direction of the member to be rotated can be adjusted as needed, enhancing the flexibility and convenience of use. At the same time, the one-way transmission design of the locking assembly and the member to be rotated can easily release the restriction of the power mechanism on the rotation of the member to be rotated, avoiding unnecessary wear or damage. Description of the Drawings

[0022] The drawings herein are incorporated into the specification and constitute a part of this specification, showing embodiments consistent with the present invention and used together with the specification to explain the principles of the present invention.

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 It is a three-dimensional schematic diagram of a rotating device in an embodiment of the present application;

[0025] Figure 2 is Figure 1 an enlarged view of part A in

[0026] Figure 3 It is a three-dimensional schematic diagram of a rotating device in an embodiment of the present application;

[0027] Figure 4 is Figure 3 an enlarged view of part B in

[0028] Figure 5 It is a cross-sectional view of a partial structure of a rotating device in an embodiment of the present application.

[0029] Reference numerals:

[0030] Rotating part to be rotated 10, first mounting part 11, screen body 12, locking groove 13, power mechanism 20, first driving component 21, first transmission component 22, transmission shaft 221, worm and worm gear 222, first transmission gear 223, damper 224, fastener 225, second mounting part 227, locking component 23, friction plate 232, first locking disc 233, second locking disc 234, bolt 235, spring washer 236, nut 237, locking tongue mechanism 30, second driving part 31, rack 32, second transmission gear 33, locking tongue 34. Detailed implementation manners

[0031] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in this embodiment. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of them. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.

[0032] As Figure 1 and Figure 2 shown, according to the rotating device of the embodiment of the present application, the rotating device includes a rotating part to be rotated 10 and a power mechanism 20.

[0033] Specifically, the power mechanism 20 is drivingly connected to the member 10 to be rotated to drive the member 10 to rotate. The power mechanism 20 includes a first driving assembly 21, a first transmission assembly 22, and a locking assembly 23. The first driving assembly 21 is drivingly connected to the first transmission assembly 22, and the member 10 to be rotated is unidirectionally drivingly connected to the first transmission assembly 22 through the locking assembly 23.

[0034] Expanding on this, the power mechanism 20 is drivingly connected to the member 10 to be rotated to drive the member 10 to rotate. The first driving assembly 21 serves as the power source for the rotation of the member 10 to be rotated and provides power for the rotation of the member 10 to be rotated. Among them, the first driving assembly 21 can be a motor.

[0035] The first transmission assembly 22 is responsible for transmitting the power of the first driving assembly 21 to the locking assembly 23. Among them, the first transmission assembly 22 can include gears, belts, chains, etc.

[0036] The locking assembly 23 can further transmit the power transmitted by the first transmission assembly 22 to the member 10 to be rotated. The member 10 to be rotated is unidirectionally drivingly connected to the first transmission assembly 22 through the locking assembly 23. When the member 10 to be rotated is manually driven, the first transmission assembly 22 does not rotate with the member 10 to be rotated, so that the member 10 to be rotated can be manually pushed to rotate.

[0037] It should be noted that since the connection between the locking assembly 23 and the member 10 to be rotated is designed as a one-way drive, it means that the torque manually applied by the person can prevent the first transmission assembly 22 from rotating with the member 10 to be rotated.

[0038] When the member 10 to be rotated is a display screen, the display screen is used to display the content to be displayed.

[0039] In some specific embodiments, the locking assembly 23 can adopt a certain clutch mechanism, such as a friction clutch or a spring-loaded clutch, etc. When manually rotating, the rotation of the first transmission assembly 22 and the first driving assembly 21 is restricted by the structural cooperation and cannot rotate in the reverse direction with the member 10 to be rotated and remains stationary. When the torque exceeds a certain value, the first transmission assembly 22 does not rotate with the member 10 to be rotated, preventing damage to the power mechanism 20. In this way, it is ensured that when manually operating, the user can freely adjust the position of the member 10 to be rotated without being restricted by the drive of the power mechanism 20.

[0040] According to the rotating device of the embodiment of the present application, the first driving component 21 can provide a power source for the rotation of the rotating member 10 to be rotated. The first transmission component 22 and the locking component 23 sequentially transmit the power of the first driving component 21 to the rotating member 10 to be rotated, so as to drive the rotating member 10 to rotate, ensuring the smoothness and efficiency of the rotation of the rotating member 10 to be rotated. When the rotating member 10 to be rotated is manually rotated, the first transmission component 22 does not rotate with the rotating member 10 to be rotated. The rotating member 10 to be rotated can be manually driven to rotate, and the angle and direction of the rotating member 10 to be rotated can be adjusted as needed, enhancing the flexibility and convenience of use. At the same time, the design of the one-way transmission connection between the locking component 23 and the rotating member 10 to be rotated can easily release the restriction of the power mechanism 20 on the rotation of the rotating member 10 to be rotated, avoiding unnecessary wear or damage.

[0041] As Figure 1 and Figure 2 shown, the locking component 23 includes two output ends, namely a first locking disc 233 and a second locking disc 234 respectively. The first locking disc 233 is connected to the rotating member 10 to be rotated, and the second locking disc 234 is connected to the first transmission component 22.

[0042] When the first driving component 21 operates, the power is transmitted to the second locking disc 234 of the locking component 23 through the first transmission component 22, and then the rotating member 10 to be rotated is driven to rotate. When the rotating member 10 to be rotated is manually adjusted, the second locking disc 234 has a tendency to rotate synchronously with the rotating member 10 to be rotated. However, the rotation of the first transmission component 22 and the first driving component 21 is restricted by the structural cooperation, so that the second locking disc 234 cannot rotate in the reverse direction with the rotating member 10 to be rotated and remains stationary. Because the first locking disc 233 and the second locking disc 234 are separated during manual operation, the power transmission is released, so that the rotating member 10 to be rotated can rotate freely; after the user stops applying a force to the rotating member 10 to be rotated, the first locking disc 233 and the second locking disc 234 can keep the rotating member 10 to be rotated at the required position, thus ensuring its stability.

[0043] As Figure 5 shown, in some embodiments, the locking component 23 further includes a friction plate 232, a bolt 235, a spring washer 236 and a nut 237. The bolt 235 and the nut 237 are connected. The first locking disc 233, the friction plate 232, the second locking disc 234 and the spring washer 236 are sequentially sleeved on the bolt 235, and both sides of the spring washer 236 are respectively abutted against the second locking disc 234 and the nut 237.

[0044] In detail, the bolt 235 can provide support for the first lock disk 233 and the second lock disk 234. The function of the friction plate 232 is to generate friction between the first lock disk 233 and the second lock disk 234, so as to achieve power transmission or locking. The function of the first lock disk 233 and the second lock disk 234 is to control the state of the friction plate 232. The first lock disk 233 is connected to the rotating member 10 and is responsible for locking the position of the rotating member 10, while the second lock disk 234 is connected to the first transmission assembly 22 and is responsible for transmitting power from the first transmission assembly 22 to the friction plate 232. Although the spring washer 236 is sandwiched between the second lock disk 234 and the nut 237, the friction between the friction plate 232 and the first lock disk 233 and the friction between the second lock disk 234 and the nut 237 can be adjusted, so that the first lock disk 233 and the second lock disk 234 can abut against both ends of the friction plate 232 with appropriate tightness.

[0045] When the first driving assembly 21 is running, power is transmitted to the second lock disk 234 of the locking assembly 23 through the first transmission assembly 22, pushing the friction plate 232 and the first lock disk 233 to generate friction, thereby driving the rotating member 10 to rotate.

[0046] When the rotating part 10 is manually adjusted, the first locking disk 233 tends to rotate synchronously with the rotating part 10, and the rotation of the first transmission component 22 and the first drive component 21 is limited by the structural cooperation, so that the second locking disk 234 cannot remain stationary with the reverse rotation of the rotating part 10, and the friction plate 232 of the locking component 23 will be separated from the second locking disk 234 due to manual operation, thereby releasing the power transmission, so that the rotating part 10 can rotate freely; when the user stops applying force to the rotating part 10, the friction between the friction plate 232 and the first locking disk 233 and the second locking disk 234 can keep the rotating part 10 at the desired position, thereby ensuring its stability.

[0047] like Figure 1 and Figure 2 As shown, according to the rotating device of the embodiment of the present application, the first transmission assembly 22 includes a worm gear 222, a first transmission gear 223 and a transmission shaft 221 which are sequentially connected in transmission, the other end of the worm gear 222 is drive-connected to the first drive assembly 21, and the transmission shaft 221 is connected to the second locking disk 234.

[0048] In detail, the worm gear 222 is connected to the first drive assembly 21 and the first transmission gear 223, and can convert the high speed of the first drive assembly 21 into a lower speed output, which is very beneficial for driving the larger rotating part 10 to rotate. At the same time, the design of the worm gear 222 transmission is relatively compact, and a high transmission ratio can be achieved in a limited space, thereby reducing the volume occupied by the power mechanism 20; in addition, the transmission of the worm gear 222 has a self-locking characteristic, which can prevent reverse rotation. When the first drive assembly 21 stops running, the rotating part 10 will not slide freely, thereby increasing safety; the worm gear 222 transmission can provide smooth rotation, reduce vibration and noise, and reduce the impact of impact loads on the power mechanism 20. The first transmission gear 223 is connected to the transmission shaft 221, and the transmission shaft 221 is responsible for transmitting power to the rotating part 10. Through the rotation of the transmission shaft 221, the rotating part 10 can be driven to rotate, thereby achieving specific adjustment of the angle or position of the rotating part 10.

[0049] In a specific embodiment, the first driving component 21 is configured as a first brushless motor, which provides power and transmits it to the transmission shaft 221, which is connected to the rotating member 10, and the first brushless motor has a built-in Hall sensor, which monitors the rotation speed of the first brushless motor and controls the first brushless motor to rotate at a constant rotation speed. The first brushless motor is used to provide output power, and the transmission shaft 221 is used to carry and output torque.

[0050] like Figure 3 As shown, in some embodiments, the rotating member 10 further includes a first mounting portion 11 and a screen body 12 , the first mounting portion 11 and the shell of the screen body 12 are integrally formed, and the first locking disk 233 is connected to the first mounting portion 11 .

[0051] In detail, the rotating part 10 also includes a first mounting part 11 and a screen body 12. The first mounting part 11 and the shell of the screen body 12 are integrally formed. Integral forming generally refers to combining the first mounting part 11 and the shell of the screen body 12 into a whole through a manufacturing process such as injection molding or casting. This design can reduce the assembly steps, improve the structural stability and strength of the rotating part 10, and reduce the potential risk of connection failure.

[0052] The first lock disk 233 can be connected to the first mounting portion 11 by means of buckles, threads or other mechanical connections. For example, in a specific embodiment, the first lock disk 233 is connected to the first mounting portion 11 by a plurality of bolts. The first lock disk 233 can also be provided with a protrusion or a notch, and the first mounting portion 11 is provided with a limiting opening corresponding to the protrusion or a positioning column corresponding to the notch, so as to achieve pre-positioning of the first lock disk 233 and the first mounting portion 11 when they are assembled and connected.

[0053] As Figure 1 and Figure 2 shown, in some embodiments, a second mounting portion 227 is fixedly provided on the transmission shaft 221, and the second mounting portion 227 is connected to the second locking disc 234.

[0054] Specifically, the first drive assembly 21 is drivingly connected to the transmission shaft 221. A second mounting portion 227 is provided on the transmission shaft 221. The second mounting portion 227 realizes the transmission connection between the second locking disc 234 and the transmission shaft 221. After the first drive assembly 21 is started, it will drive the transmission shaft 221 to rotate. Among them, the connection between the transmission shaft 221 and the first drive assembly 21 is usually through gears, belts or chains, etc., to ensure stable power transmission.

[0055] As Figure 2 and Figure 3 shown, in some embodiments, a damper 224 is sleeved on the transmission shaft 221. The damper 224 abuts against the transmission shaft 221. A fastener 225 is further provided on the damper 224, and the fastener 225 is threadedly connected to both ends of the damper 224.

[0056] Specifically, the damper 224 sleeved on the transmission shaft 221 can absorb the vibration and impact brought by the power mechanism 20 and protect other components from damage; the fastener 225 can be rotated to change the distance between both ends of the damper 224, and further change the tightness of the damper 224, thereby changing the damping characteristics of the damper 224 and controlling the vibration absorption ability of the damper 224. Such a setting has the following advantages: First, setting the damper 224 on the second transmission shaft 221 can effectively reduce vibration and noise and improve the stability of the entire power mechanism 20; Second, adjusting the tightness of the damper 224 through the fastener 225 can avoid damage to the power mechanism 20 caused by excessive impact force and extend the service life of the rotating device; In addition, the fastener 225 can adjust the tightness of the damper 224, enabling the rotating device to be flexibly adjusted according to different working conditions, adapting to different sizes of the workpiece to be rotated 10 and the installation position of the workpiece to be rotated 10, thereby improving the versatility and flexibility of the rotating device.

[0057] As Figure 2 shown, in some embodiments, the fastener 225 is configured as a screw, and an elastic member is provided between the screw and the damper 224.

[0058] Specifically, the function of the screw and the elastic member is to adjust the tightness of the damper 224. When the screw is tightened, the elastic member will be compressed, making the damper 224 and the transmission shaft 221 closer, improving the damping effect of the damper. When the screw is loosened, the elastic member will rebound and drive the screw to reset, thereby ensuring the reduction of the extrusion on the damper 224, causing the damper 224 and the transmission shaft 221 to become loose, so as to adjust the damping effect of the first transmission assembly 22 and the smoothness of transmission.

[0059] In a specific embodiment, the elastic member is configured as a spring. The damper 224 includes a body portion and two elastic piece portions connected to the body portion. The body portion is sleeved on the transmission shaft 221. The two elastic piece portions are relatively suspended and are respectively located on opposite sides of the notch of the body portion. There are mounting holes on the elastic piece portions, and the screw passes through the mounting holes of the two elastic piece portions, and a spring is sleeved on the screw.

[0060] As Figure 3 and Figure 4 shown, the rotating device according to the embodiment of the present application further includes a locking tongue mechanism 30. The locking tongue mechanism 30 includes locking tongues 34 located on both sides of the rotating member 10 to be rotated. The rotating member 10 to be rotated has a locking groove 13, and the locking tongues 34 can move to engage or disengage from the locking groove 13.

[0061] That is to say, when it is necessary to fix the rotating member 10 to be rotated, the power mechanism 20 is used to drive the rotating member 10 to be rotated to a position where the locking groove 13 is opposite to the locking tongues 34, and the locking tongues 34 are controlled to move and inserted into the locking groove 13. In this way, the limiting cooperation between the locking tongues 34 and the locking groove 13 can be used to ensure that the rotating member 10 to be rotated is firmly locked. When adjustment is needed or when the rotating member 10 to be rotated needs to be rotated, the locking tongues 34 are controlled to move to disengage from the locking groove 13, thereby releasing the locking of the rotating member 10 to be rotated. In this way, the use safety and flexibility of the rotating member 10 to be rotated can be improved.

[0062] Among them, the locking tongues 34 are usually made of metal or high-strength plastic to ensure their durability and structural strength. The shape of the locking tongues 34 can be designed as a strip or a hook shape to be firmly engaged in the locking groove 13, and the length and width of the locking tongues 34 should adapt to the specifications of the locking groove 13 for easy insertion or extraction. In addition, the locking tongues 34 can be connected to an elastic member or other driving structures to drive the locking tongues 34 to move, so as to lock or unlock the rotating member 10 to be rotated.

[0063] The locking grooves 13 are provided on both sides of the rotatable member 10, which can ensure that the locking tongues 34 on both sides can be smoothly engaged; the locking grooves 13 can be set as U-shaped or L-shaped notches, and the depth and width of the locking grooves 13 should match the locking tongues 34, so as to ensure that the locking tongues 34 can be firmly fixed therein; in addition, the surface of the locking grooves 13 can be smoothed to reduce friction and improve the smooth movement of the locking tongues 34.

[0064] It should be noted that during the unlocking process of the rotatable member 10, the movement of the locking tongue 34 can be driven by pressing or pulling the locking tongue 34. The power can be provided manually or by a mechanical structure as the power source.

[0065] As Figure 3 and Figure 4 shown, in some embodiments, the locking tongue mechanism 30 includes a second driving part 31, a rack 32 and a second transmission gear 33. The rack 32 is connected to the locking tongue 34. The output shaft of the second driving part 31 is in transmission connection with the second transmission gear 33, and the second transmission gear 33 meshes with the rack 32.

[0066] The second driving part 31 provides power for the movement of the locking tongue 34. The output shaft of the second driving part 31 is in transmission connection with the second transmission gear 33, and the second transmission gear 33 meshes with the rack 32. That is to say, the output shaft of the second driving part 31 transmits the power to the second transmission gear 33, and the second transmission gear 33 meshes with the rack 32, so that the rotation of the second transmission gear 33 can be converted into a linear motion, thereby driving the locking tongue 34 to move linearly to engage with or disengage from the locking groove 13.

[0067] In some embodiments, the second driving part 31 is configured as a second brushless motor.

[0068] According to an embodiment of the present application, the rotation angle range of the rotatable member 10 is 0° to 180°.

[0069] Specifically, the rotation angle range of the rotatable member 10 can be 0°, 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170° and 180°, etc.

[0070] According to another aspect of the present application, a vehicle is provided, including a rotating device.

[0071] According to the vehicle of the embodiment of the present application, the first driving assembly 21 can provide a power source for the rotation of the member to be rotated 10. The first transmission assembly 22 and the locking assembly 23 sequentially transmit the power of the first driving assembly 21 to the member to be rotated 10, so as to drive the member to be rotated 10 to rotate, ensuring the smoothness and efficiency of the rotation of the member to be rotated 10. When it is necessary to manually rotate the member to be rotated 10, the first transmission assembly 22 does not rotate with the member to be rotated 10, and the member to be rotated 10 can be manually driven to rotate, and the angle and direction of the member to be rotated 10 can be adjusted as required, enhancing the flexibility and convenience of use. At the same time, the one-way transmission design of the locking assembly 23 and the member to be rotated 10 can easily release the restriction of the power mechanism 20 on the rotation of the member to be rotated 10, avoiding unnecessary wear or damage.

[0072] It should be noted that in this text, relationships such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0073] The above are only specific embodiments of the present invention, enabling those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A rotating device, characterized in that, The rotating device includes: A piece to be rotated; A power mechanism, which is drivingly connected to the piece to be rotated; Wherein, the power mechanism includes a first driving assembly, a first transmission assembly and a locking assembly, the first driving assembly is drivingly connected to the first transmission assembly, and the piece to be rotated is unidirectionally drivingly connected to the first transmission assembly through the locking assembly.

2. The rotating device according to claim 1, characterized in that, The locking assembly includes two output ends, namely a first locking disc and a second locking disc, the first locking disc is connected to the piece to be rotated, and the second locking disc is connected to the first transmission assembly.

3. The rotating device according to claim 2, characterized in that, The locking assembly further includes a friction disc, a bolt, a spring washer and a nut, the bolt and the nut are connected, and the first locking disc, the friction disc, the second locking disc and the spring washer are sequentially sleeved on the bolt, and two sides of the spring washer are respectively abutted against the second locking disc and the nut.

4. The rotating device according to claim 2, characterized in that, The first transmission assembly includes a worm and worm gear, a first transmission gear and a transmission shaft that are drivingly connected in sequence, the other end of the worm and worm gear is drivingly connected to the first driving assembly, and the transmission shaft is connected to the second locking disc.

5. The rotating device according to claim 4, characterized in that, A damper is sleeved on the transmission shaft, and the damper is in interference fit with the transmission shaft.

6. The rotating device according to claim 5, characterized in that, Fasteners are further provided on the damper, and the fasteners are threadedly connected to both ends of the damper.

7. The rotating device according to claim 6, characterized in that, An elastic member is provided between the fastener and the damper.

8. The rotating device according to claim 1, characterized in that, It further includes: A locking tongue mechanism, the locking tongue mechanism includes locking tongues located on both sides of the piece to be rotated, the piece to be rotated has a locking groove, and the locking tongues can move to engage or disengage from the locking groove.

9. The rotating device according to claim 8, characterized in that, The locking tongue mechanism includes a second driving part, a rack and a second transmission gear, the rack is connected to the locking tongue, the output shaft of the second driving part is drivingly connected to the second transmission gear, and the second transmission gear meshes with the rack.

10. A vehicle, characterized in that, The vehicle includes the rotating device according to any one of claims 1-9 above.

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