An XYZ three-axis rotation device for a vehicle-mounted central control screen

Abstract

The present invention discloses an X-Y-Z three-axis rotation device for a vehicle-mounted central control screen, comprising a left-right rotation actuator, a front-back rotation actuator connected to the left-right rotation actuator by a first adapter fixing bracket, a horizontal-vertical screen rotation actuator connected to the front-back rotation actuator by a second adapter fixing bracket, and a vehicle-mounted central control screen connected to the horizontal-vertical screen rotation actuator. The present application can realize the rotation of the vehicle-mounted central control screen at three angles: front-back, left-right, and horizontal-vertical. The left-right rotation realizes the switching of the perspectives of the driver and the co-driver, the front-back rotation realizes the switching of the perspectives of the driver and the co-driver of different heights and the rear passengers, and the horizontal-vertical screen rotation perspective switching can realize different viewing experiences.

Description

Technical Field

[0001] The present invention relates to the field of vehicle-mounted central control screens, and in particular to an XYZ three-axis rotation device for a vehicle-mounted central control screen. Background Art

[0002] The in-car central control screen is a human-computer interaction interface installed in the car. It is a device used to display a variety of information such as car status, navigation information, communication information, etc., providing a lot of convenience for the driver.

[0003] For example, the patent application document with application number 201621134128.8 discloses a mounting structure for a rotatable and flippable vehicle-mounted central control screen, comprising: an instrument panel body having a receiving groove thereon; a first rotating shaft, which is located in the receiving groove, and the first rotating shaft is movably coupled to the instrument panel body, and the first rotating shaft is arranged along the horizontal direction; a second rotating shaft, which is movably coupled to the first rotating shaft, and the axis of the second rotating shaft is perpendicular to the axis of the first rotating shaft; and a central control screen body, which is located in the receiving groove, and the central control screen body is fixedly coupled to the second rotating shaft.

[0004] It can be seen from the above prior art that the existing automobile central control screen adjustment mechanism, through the movable design of the central control screen body, is convenient for the driver to adjust the central control screen body to a suitable position at any time, making the operation of the central control screen body more convenient. However, it still has the following problems:

[0005] 1. The existing in-vehicle central control screen is adjusted manually and cannot be controlled electrically.

[0006] 2. The existing vehicle-mounted central control screen has a single adjustment angle and can only be adjusted to one of the left and right, front and back, or horizontal and vertical screens. There is no central control screen rotation system with three degrees of freedom in X, Y, and Z space, which is inconvenient for driving and viewing.

[0007] Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Summary of the invention

[0008] The purpose of the present invention is to provide a coil electrical conduction structure, a lens driving device, a camera device and an electronic device, which utilize a groove opened on a plastic part to place a flat coil and connect and conduct with a conductor arranged on the plastic part. The design can be made according to different situations to make the optical focusing device miniaturized and thin, and even meet the demand of reducing costs.

[0009] The above technical objectives of the present invention are achieved through the following technical solutions:

[0010] An XYZ three-axis rotation device for a vehicle-mounted central control screen, comprising a left-right rotation actuator, a front-back rotation actuator drivingly connected to the left-right rotation actuator via a first adapter fixing bracket, a horizontal-vertical screen rotation actuator drivingly connected to the front-back rotation actuator via a second adapter fixing bracket, and a vehicle-mounted central control screen drivingly connected to the horizontal-vertical screen rotation actuator;

[0011] The left-right rotation actuator includes a first drive motor for providing torque output, a first gear box whose input end is transmission-connected to the first drive motor, and a first transmission shaft, a first torque damper and a first angle sensor which are transmission-connected to the output end of the first gear box; the first adapter fixing bracket is transmission-connected to the end of the first transmission shaft, and can rotate left-right under the transmission action of the first drive motor, the first gear box and the first transmission shaft;

[0012] The front-to-back rotation actuator comprises a second drive motor, a second gear box whose input end is transmission-connected to the second drive motor, and a second transmission shaft, a second torque damper and a second angle sensor which are transmission-connected to the output end of the second gear box; the second adapter fixing bracket is transmission-connected to the first transmission shaft and can rotate forward and backward under the transmission action of the second drive motor, the second gear box and the second transmission shaft;

[0013] The horizontal and vertical screen rotation actuator comprises an actuator housing, in which a third drive motor is installed, a transmission mechanism is provided at the output end of the third drive motor, and a roller assembly is driven by the transmission mechanism, wherein the roller assembly is arranged on a rotating connecting rod, one end of the rotating connecting rod is a self-rotating end, a self-rotating shaft is provided at the self-rotating end, one end of the self-rotating shaft is fixedly connected to the rotating connecting rod, the other end of the self-rotating shaft passes through the actuator housing, and is connected to a vehicle-mounted central control screen arranged outside the actuator housing; the other end of the rotating connecting rod is a revolution end, a revolution bracket is provided at the revolution end, one end of the revolution bracket is fixedly connected to the rotating connecting rod, the other end of the revolution bracket passes through the actuator housing through an arc-shaped guide groove, and is connected to a vehicle-mounted central control screen arranged outside the actuator housing;

[0014] The vehicle-mounted central control screen can be rotated around the rotation axis to switch between horizontal and vertical screen states under the action of the third drive motor.

[0015] Further, the first drive motor is arranged at the input end of the first gear box, the transmission shaft of the first drive motor is connected to the first transmission shaft through the first transmission gear set arranged in the first gear box, the top end of the first transmission shaft is provided with a transmission part, and the first adapter fixing bracket is fixedly connected to the transmission part;

[0016] The first torque damper is arranged at the bottom end of the first transmission shaft, the top end of the first torque damper is fixedly connected to the bottom of the first transmission shaft and can rotate with the first transmission shaft, and is used to provide damping when the first transmission shaft rotates;

[0017] The first angle sensor is fixedly installed below the first torque damper. The bottom end of the first torque damper is transmission-connected to the first angle sensor. The first angle sensor detects the rotation angle of the first transmission shaft through the synchronous transmission of the first torque damper.

[0018] Further, the second drive motor is arranged at the input end of the second gear box, the transmission shaft of the second drive motor is connected to the second transmission shaft through a second transmission gear set arranged in the second gear box, the top end of the second transmission shaft is provided with an active connection part, and one end of the actuator housing is transmission-connected to the second transmission shaft through the active connection part;

[0019] A mounting box is provided at the bottom end of the second transmission shaft, the second angle sensor is arranged at one end of the mounting box and is transmission-connected to the second transmission shaft, and the second angle sensor is used to detect the rotation angle of the second transmission shaft;

[0020] The second torque damper is arranged at one end of the mounting box body, and the second torque damper is connected to a driven connection part arranged outside the mounting box body. The other end of the actuator box body is transmission-connected to the second torque damper through an active connection part; the second torque damper is used to provide damping when the actuator box body rotates.

[0021] Furthermore, the roller assembly includes a group of roller brackets, which are respectively located on both sides of the rotating connecting rod. The first roller and the second roller are respectively arranged at both ends of the roller brackets through pins and are close to the surface of the rotating connecting rod.

[0022] Furthermore, the transmission mechanism includes a lead screw connected to the output end of the third drive motor, and a nut sleeved on the first lead screw; the top of the nut is connected to the roller assembly, and the roller assembly can be used to push the rotating connecting rod to rotate.

[0023] Furthermore, the transmission mechanism includes a gear set connected to the output end of the third drive motor, a lead screw transmission-connected to the gear set, and a nut sleeved on the lead screw; the top of the nut is connected to the roller assembly, and the roller assembly can be used to push the rotating connecting rod to rotate.

[0024] Furthermore, the transmission mechanism includes a gear set connected to the output end of the third drive motor, the gear set is connected to the lead screw through an internal threaded hole, the top of the lead screw is connected to the roller assembly, and the roller assembly can drive the rotating connecting rod to rotate.

[0025] Furthermore, the transmission mechanism includes a transmission gear connected to the output end of the third drive motor and a rack transmission-connected to the transmission gear. The top of the rack is connected to the roller assembly, and the roller assembly can drive the rotating connecting rod to rotate.

[0026] In summary, the present invention has the following beneficial effects:

[0027] 1. The layout design of the present invention is simple, and the processing and assembly are convenient, and the overall cost is low. The vehicle-mounted central control screen can be automatically rotated at three angles: front and back, left and right, and horizontal and vertical. The left and right rotation can realize the perspective switching between the driver and the co-driver, and the front and back rotation can realize the perspective switching between the driver and the co-driver of different heights and the rear passengers. The horizontal and vertical screen rotation perspective switching can realize different viewing experiences.

[0028] 2. The rotation axis of the left and right rotation actuator is located at the left and right horizontal layout of the lower edge of the screen, the rotation axis of the front and rear rotation actuator is arranged vertically, and the rotation axis of the horizontal and vertical screen rotation actuator is arranged horizontally and perpendicular to the screen, so that the central control screen has three rotation axes in the front and back, left and right, and top and bottom planes to form a three-degree-of-freedom rotation system. The above structure can achieve a small product form and volume, stable rotation function, simple and reliable assembly, and most of the volume of the rotation system can be hidden inside the center console.

[0029] 3. The horizontal and vertical screen rotation actuator adopts a transmission mechanism plus a connecting rod mechanism. The transmission mechanism outputs thrust to push the rotating connecting rod to rotate the vehicle-mounted central control screen 90° around its geometric center, thereby realizing the horizontal and vertical screen state switching.

[0030] 4. The drive motor uses a transmission mechanism to convert the rotational torque into linear thrust and the angular velocity of the rotational motion into the linear velocity of the linear motion. The mechanism is small in size, especially in the direction of the screen thickness. The size is much smaller than the space occupied by the traditional direct-drive motor, and it is easy to install and can form a modular assembly.

[0031] 5. By setting the torque damper and angle sensor, the required functions of the product are achieved, the assembly is simple, the reverse driving torque is relatively stable and smooth, and the system resistance torque is reduced by 40-50%. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the XYZ three-axis rotation device described in the present invention.

[0033] Figure 2 It is a structural schematic diagram of the left-right rotating actuator of the present invention.

[0034] Figure 3 It is a schematic diagram of the internal structure of the first gear box described in the present invention.

[0035] Figure 4It is a schematic diagram of the first torque damper and the first angle sensor described in the present invention.

[0036] Figure 5 It is a structural schematic diagram of the front-rear rotation actuator described in the present invention.

[0037] Figure 6 It is a schematic diagram of the internal structure of the second gear box described in the present invention.

[0038] Figure 7 It is a schematic diagram of the second torque damper and the second angle sensor according to the present invention.

[0039] Figure 8 It is a schematic diagram of the horizontal and vertical screen rotation actuator described in the present invention.

[0040] Fig. 9 It is a schematic diagram of the horizontal screen state of the vehicle-mounted central control screen described in the present invention.

[0041] Fig.10 It is a schematic diagram of the vertical screen state of the vehicle-mounted central control screen described in the present invention.

[0042] Fig.11 It is a schematic diagram of the internal structure of the horizontal and vertical screen rotation actuator described in the present invention.

[0043] Fig.12 It is a schematic diagram of Example 1 described in the present invention.

[0044] Fig.13 It is a schematic diagram of Example 2 described in the present invention.

[0045] Fig.14 It is a schematic diagram of Example 3 described in the present invention.

[0046] Fig.15 It is a schematic diagram of Example 4 described in the present invention. DETAILED DESCRIPTION

[0047] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with illustrations and specific embodiments.

[0048] like Figures 1 to 15 As shown, the present invention proposes an XYZ three-axis rotation device for a vehicle-mounted central control screen, comprising a left-right rotation actuator 1, a front-back rotation actuator 3 connected to the left-right rotation actuator 1 through a first adapter fixing bracket 2, a horizontal-vertical screen rotation actuator 5 connected to the front-back rotation actuator 3 through a second adapter fixing bracket 4, and a vehicle-mounted central control screen 6 connected to the horizontal-vertical screen rotation actuator 5;

[0049] The left-right rotation actuator 1 includes a first drive motor 11 for providing torque output, a first gear box 12 whose input end is transmission-connected to the first drive motor 11, and a first transmission shaft 13, a first torque damper 14 and a first angle sensor 15 which are transmission-connected to the output end of the first gear box 12; the first adapter fixing bracket 2 is transmission-connected to the end of the first transmission shaft 13, and can rotate left-right under the transmission action of the first drive motor 11, the first gear box 12 and the first transmission shaft 13;

[0050] The front-to-back rotation actuator 3 includes a second drive motor 31, a second gear box 32 whose input end is transmission-connected to the second drive motor 31, and a second transmission shaft 33, a second torque damper 34, and a second angle sensor 35 which are transmission-connected to the output end of the second gear box 32; the second adapter fixing bracket 4 is transmission-connected to the first transmission shaft 13, and can rotate forward and backward under the transmission action of the second drive motor 31, the second gear box 32, and the second transmission shaft 33;

[0051] The horizontal and vertical screen rotation actuator 5 includes an actuator housing 51, in which a third drive motor 52 is installed, and a transmission mechanism 53 is provided at the output end of the third drive motor 52, and a roller assembly 54 is driven by the transmission mechanism 53, and the roller assembly 54 is arranged on a rotating connecting rod 55, one end of the rotating connecting rod 55 is a self-rotation end 551, and a self-rotation shaft 56 is provided at the self-rotation end 551, one end of the self-rotation shaft 56 is fixedly connected to the rotating connecting rod 55, and the other end of the self-rotation shaft 56 passes through the actuator housing 51 and is connected to the vehicle-mounted central control screen 6 arranged outside the actuator housing 51; the other end of the rotating connecting rod 55 is a revolution end 552, and a revolution bracket 57 is provided at the revolution end 552, one end of the revolution bracket 57 is fixedly connected to the rotating connecting rod 55, and the other end of the revolution bracket 57 passes through the actuator housing 51 through an arc guide groove 58, and is connected to the vehicle-mounted central control screen 6 arranged outside the actuator housing 51;

[0052] The vehicle-mounted central control screen 6 can be rotated around the rotation axis 56 to switch between the horizontal screen state and the vertical screen state under the action of the third driving motor 52.

[0053] The first drive motor 11 is arranged at the input end of the first gear box 12, and the transmission shaft of the first drive motor 11 is connected to the first transmission shaft 13 through the first transmission gear set arranged in the first gear box 12. The top end of the first transmission shaft 13 is provided with a transmission part 16, and the first adapter fixing bracket 2 is fixedly connected to the transmission part 16;

[0054] The first torque damper 14 is arranged at the bottom end of the first transmission shaft 13, the top end of the first torque damper 14 is fixedly connected to the bottom of the first transmission shaft 13, and can rotate with the first transmission shaft 13, and is used to provide damping when the first transmission shaft 13 rotates;

[0055] The first angle sensor 15 is fixedly installed below the first torque damper 14 . The bottom end of the first torque damper 14 is transmission-connected to the first angle sensor 15 . The first angle sensor 15 detects the rotation angle of the first transmission shaft 13 through the synchronous transmission of the first torque damper 14 .

[0056] The second drive motor 31 is arranged at the input end of the second gear box 32, and the transmission shaft of the second drive motor 31 is connected to the second transmission shaft 33 through the second transmission gear set arranged in the second gear box 32. The top end of the second transmission shaft 33 is provided with an active connection part 36, and one end of the actuator housing 51 is transmission-connected to the second transmission shaft 33 through the active connection part 36;

[0057] A mounting box 37 is provided at the bottom end of the second transmission shaft 33. The second angle sensor 35 is provided at one end of the mounting box 37 and is transmission-connected to the second transmission shaft 33. The second angle sensor 35 is used to detect the rotation angle of the second transmission shaft 33.

[0058] The second torque damper 34 is arranged at one end of the mounting box body 37, and the second torque damper 34 is connected to the driven connection part 38 arranged outside the mounting box body 37. The other end of the actuator box body 51 is transmission connected to the second torque damper 34 through the active connection part 36; the second torque damper 34 is used to provide damping when the actuator box body 51 rotates.

[0059] The roller assembly 54 includes a group of roller brackets 541 , which are respectively located on both sides of the rotating link 55 . The first roller 542 and the second roller 543 are respectively arranged at both ends of the roller brackets 541 through pins and are close to the surface of the rotating link 55 .

[0060] The left-right rotating actuator 1 of the present invention realizes the perspective switching of the driver and the front-passenger, the front-back rotating actuator 3 realizes the perspective switching of the driver and the front-passenger of different heights and the rear passengers, and the horizontal and vertical screen rotating actuator 5 can realize different viewing experiences. Through the different three-degree-of-freedom rotation of the vehicle-mounted central control screen, the interaction between people and the car is enhanced, and viewing from different perspectives is greatly improved. The operating comfort of the driver and passengers is greatly improved.

[0061] The left-right rotating actuator 1 and the front-back rotating actuator 3 of the present invention are motors plus gear reduction transmissions, which output torque and rotation speed to realize the function of the screen rotation system. The horizontal and vertical screen rotation actuator 5 is a transmission mechanism plus a connecting rod mechanism, which outputs thrust and linear speed to realize the switching between horizontal and vertical screens. This design makes the product small in size and does not take up too much space behind the screen.

[0062] The structural layout design of the left-right rotating actuator 1 and the front-back rotating actuator 3, its main components include a planetary gear reduction motor or motor, a gear transmission mechanism, a torque damper, an angle measurement sensor, etc. The motor output speed and torque are controlled by the vehicle power supply and the main controller, and transmitted to the gear transmission device, and then output to the central control screen after deceleration and torque amplification, so as to realize the low-speed and high-torque rotation function of the screen. Among them, one end of the torque damper is located on the output shaft, and the other end is fixed to the gear box. It can eliminate the screen shaking problem caused by the side clearance of the gear transmission, and can also increase the damping torque of the manual rotation of the screen. The inner ring of the angle sensor is fixed to the end of the output shaft, and the outer ring is fixed to the damper. It is used to detect the rotation angle of the screen in real time. If the screen is manually bent after power failure, the angle of the screen can also be detected after power is turned on.

[0063] Example 1

[0064] The transmission mechanism 53 of this embodiment includes a lead screw 5301 connected to the output end of the third drive motor 52, and a nut 5302 sleeved on the lead screw 5301; the top of the nut 5302 is connected to the roller assembly 54, and the roller assembly 54 can push the rotating connecting rod 55 to rotate.

[0065] The third drive motor 52 of this embodiment outputs thrust, which drives the nut 5302 to make vertical linear motion through the screw 5301. The connection point between the nut 5302 and the roller assembly 54 is rotatable. When the nut 5302 makes vertical linear motion, it can drive the roller assembly 54 to move along the surface of the rotating connecting rod 55, thereby pushing the rotating connecting rod 55 to make rotational motion around the rotation shaft 56, driving the vehicle-mounted central control screen 6 to realize horizontal and vertical screen movements. When the rotation shaft 56 rotates upward, the vehicle-mounted central control screen 6 is in vertical mode, and when the rotation shaft 56 rotates downward, the vehicle-mounted central control screen 6 is in horizontal mode.

[0066] Example 2

[0067] The transmission mechanism 53 of this embodiment includes a gear set 5311 connected to the output end of the third drive motor 52, a screw 5312 transmission-connected to the gear set 5311, and a nut 5313 sleeved on the screw 5312; the top of the nut 5313 is connected to the roller assembly 54, and the roller assembly 54 can push the rotating connecting rod 55 to rotate.

[0068] The third drive motor 52 of this embodiment outputs thrust, which drives the lead screw 5312 to rotate through the gear set 5311, and the lead screw 5312 drives the nut 5313 to make up and down linear motion. The connection point between the nut 5313 and the roller assembly 54 is rotatable. When the nut 5313 makes up and down linear motion, it can drive the roller assembly 54 to move along the surface of the rotating connecting rod 55, thereby pushing the rotating connecting rod 55 to make rotational motion around the rotation shaft 56, driving the vehicle-mounted central control screen 6 to realize horizontal and vertical screen movements. When the rotation shaft 56 rotates upward, the vehicle-mounted central control screen 6 is in vertical mode, and when the rotation shaft 56 rotates downward, the vehicle-mounted central control screen 6 is in horizontal mode.

[0069] Example 3

[0070] The transmission mechanism 53 of this embodiment includes a gear set 5321 connected to the output end of the third drive motor 52. The gear set 5321 is connected to the lead screw 5322 through an internal threaded hole. The top of the lead screw 5322 is connected to the roller assembly 54, and the roller assembly 54 can push the rotating connecting rod 55 to rotate.

[0071] The third drive motor 52 of this embodiment outputs thrust, which drives the lead screw 5322 to make vertical linear motion through the gear set 5321. The connection point between the lead screw 5322 and the roller assembly 54 is rotatable. When the lead screw 5322 makes vertical linear motion, it can drive the roller assembly 54 to move along the surface of the rotating connecting rod 55, thereby pushing the rotating connecting rod 55 to make rotational motion around the rotation shaft 56, driving the vehicle-mounted central control screen 6 to realize horizontal and vertical screen movements. When the rotation shaft 56 rotates upward, the vehicle-mounted central control screen 6 is in vertical mode, and when the rotation shaft 56 rotates downward, the vehicle-mounted central control screen 6 is in horizontal mode.

[0072] Example 4

[0073] The transmission mechanism 53 includes a transmission gear 5331 connected to the output end of the third driving motor 52 and a rack 5332 transmission-connected to the transmission gear 5331 . The top of the rack 5332 is connected to the roller assembly 54 , and the roller assembly 54 can push the rotating connecting rod 55 to rotate.

[0074] The third driving motor 52 of this embodiment outputs thrust, which drives the rack 5332 to make vertical linear motion through the transmission gear 5331. The connection point between the rack 5332 and the roller assembly 54 is rotatable. When the rack 5332 makes vertical linear motion, it can drive the roller assembly 54 to move along the surface of the rotating connecting rod 55, thereby pushing the rotating connecting rod 55 to make rotational motion around the rotation shaft 56, driving the vehicle-mounted central control screen 6 to realize horizontal and vertical screen movements. When the rotation shaft 56 rotates upward, the vehicle-mounted central control screen 6 is in vertical mode, and when the rotation shaft 56 rotates downward, the vehicle-mounted central control screen 6 is in horizontal mode.

[0075] In this document, the directions or positional relationships indicated by terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "vertical", and "horizontal" are based on the directions or positional relationships shown in the accompanying drawings and are only for the clarity of expressing the technical solutions and the convenience of description, and therefore should not be understood as limitations of the present invention.

[0076] In this document, the terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of elements other than those listed and may also include additional elements not expressly listed.

[0077] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An XYZ three-axis rotation device for a vehicle-mounted central control screen, characterized in that: It comprises a left-right rotating actuator (1), a front-back rotating actuator (3) drivingly connected to the left-right rotating actuator (1) via a first transfer fixing bracket (2), a horizontal-vertical screen rotating actuator (5) drivingly connected to the front-back rotating actuator (3) via a second transfer fixing bracket (4), and a vehicle-mounted central control screen (6) drivingly connected to the horizontal-vertical screen rotating actuator (5); The left-right rotation actuator (1) comprises a first drive motor (11) for providing torque output, a first gear box (12) whose input end is transmission-connected to the first drive motor (11), a first transmission shaft (13) transmission-connected to the output end of the first gear box (12), a first torque damper (14) and a first angle sensor (15); the first adapter fixing bracket (2) is transmission-connected to the end of the first transmission shaft (13), and can rotate left-right under the transmission action of the first drive motor (11), the first gear box (12) and the first transmission shaft (13); The forward and backward rotating actuator (3) comprises a second driving motor (31), a second gear box (32) whose input end is drivingly connected to the second driving motor (31), a second transmission shaft (33) drivingly connected to the output end of the second gear box (32), a second torque damper (34) and a second angle sensor (35); the second adapter fixing bracket (4) is drivingly connected to the first transmission shaft (13) and can rotate forward and backward under the driving action of the second driving motor (31), the second gear box (32) and the second transmission shaft (33); The horizontal and vertical screen rotation actuator (5) comprises an actuator housing (51), a third drive motor (52) is installed in the actuator housing (51), a transmission mechanism (53) is provided at the output end of the third drive motor (52), and a roller assembly (54) is driven by the transmission mechanism (53), the roller assembly (54) is arranged on a rotating connecting rod (55), one end of the rotating connecting rod (55) is a self-rotating end (551), a self-rotating shaft (56) is provided at the self-rotating end (551), one end of the self-rotating shaft (56) is fixed to the rotating connecting rod (55), and the rotating connecting rod (55) is provided with a rotation shaft (56). The other end of the self-rotating shaft (56) passes through the actuator housing (51) and is connected to the vehicle-mounted central control screen (6) arranged outside the actuator housing (51); the other end of the rotating connecting rod (55) is a revolution end (552), and a revolution bracket (57) is provided at the revolution end (552), one end of the revolution bracket (57) is fixedly connected to the rotating connecting rod (55), and the other end of the revolution bracket (57) passes through the actuator housing (51) through the arc guide groove (58) and is connected to the vehicle-mounted central control screen (6) arranged outside the actuator housing (51); The vehicle-mounted central control screen (6) can be rotated to switch between horizontal and vertical screen states with the rotation axis (56) as the center under the action of the third driving motor (52); The first drive motor (11) is arranged at the input end of the first gear box (12); the transmission shaft of the first drive motor (11) is connected to the first transmission shaft (13) via a first transmission gear set arranged in the first gear box (12); a transmission part (16) is provided at the top end of the first transmission shaft (13); and the first adapter fixing bracket (2) is fixedly connected to the transmission part (16); The first torque damper (14) is arranged at the bottom end of the first transmission shaft (13), the top end of the first torque damper (14) is fixedly connected to the bottom of the first transmission shaft (13), and can rotate with the first transmission shaft (13), and is used to provide a damping effect when the first transmission shaft (13) rotates; The first angle sensor (15) is fixedly mounted below the first torque damper (14); the bottom end of the first torque damper (14) is transmission-connected to the first angle sensor (15); the first angle sensor (15) detects the rotation angle of the first transmission shaft (13) through synchronous transmission of the first torque damper (14); The second drive motor (31) is arranged at the input end of the second gear box (32); the transmission shaft of the second drive motor (31) is connected to the second transmission shaft (33) via a second transmission gear set arranged in the second gear box (32); an active connection portion (36) is provided at the top end of the second transmission shaft (33); and one end of the actuator housing (51) is transmission-connected to the second transmission shaft (33) via the active connection portion (36); A mounting box (37) is provided at the bottom end of the second transmission shaft (33); the second angle sensor (35) is arranged at one end of the mounting box (37) and is transmission-connected to the second transmission shaft (33); the second angle sensor (35) is used to detect the rotation angle of the second transmission shaft (33); The second torque damper (34) is arranged at one end of the mounting box (37), the second torque damper (34) is connected to a driven connection part (38) arranged outside the mounting box (37), and the other end of the actuator housing (51) is transmission-connected to the second torque damper (34) via an active connection part (36); the second torque damper (34) is used to provide a damping effect when the actuator housing (51) rotates; The roller assembly (54) comprises a group of roller brackets (541), the roller brackets (541) are respectively located on both sides of the rotating connecting rod (55), and the first roller (542) and the second roller (543) are respectively arranged at both ends of the roller brackets (541) through pins and are closely attached to the surface of the rotating connecting rod (55).

2. The XYZ three-axis rotation device for a vehicle-mounted central control screen according to claim 1, characterized in that: The transmission mechanism (53) comprises a lead screw (5301) connected to the output end of the third drive motor (52), and a nut (5302) sleeved on the first lead screw (5301); the top of the nut (5302) is connected to the roller assembly (54), and the roller assembly (54) can be used to push the rotating connecting rod (55) to rotate.

3. The XYZ three-axis rotation device for a vehicle-mounted central control screen according to claim 1, characterized in that: The transmission mechanism (53) comprises a gear set (5311) connected to the output end of the third drive motor (52), a lead screw (5312) transmission-connected to the gear set (5311), and a nut (5313) sleeved on the lead screw (5312); the top of the nut (5313) is connected to the roller assembly (54), and the roller assembly (54) can be used to push the rotating connecting rod (55) to rotate.

4. The XYZ three-axis rotation device for a vehicle-mounted central control screen according to claim 1, characterized in that: The transmission mechanism (53) comprises a gear set (5321) connected to the output end of the third drive motor (52); the gear set (5321) is connected to the lead screw (5322) via an internal threaded hole; the top of the lead screw (5322) is connected to the roller assembly (54), and the roller assembly (54) can drive the rotating connecting rod (55) to rotate.

5. The XYZ three-axis rotation device for a vehicle-mounted central control screen according to claim 1, characterized in that: The transmission mechanism (53) comprises a transmission gear (5331) connected to the output end of the third drive motor (52), and a rack (5332) transmission-connected to the transmission gear (5331); the top of the rack (5332) is connected to the roller assembly (54), and the roller assembly (54) can be used to push the rotating connecting rod (55) to rotate.

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