A multi-degree-of-freedom vehicle display screen

Through the combination of planetary roller screws and servo motors, multiple degrees of freedom adjustment of vehicle-mounted display screens and projection devices are realized, solving the problem of insufficient intelligence in the existing technology, improving the comfort of use and simplicity of interiors, and meeting multiple scenario applications.

CN116494880BActive Publication Date: 2025-08-26JIANGSU TOPPOWER AUTOMOTIVE ELECTRONICS
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Patent Information

Application Number
CN202310361021.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-06
Publication Date
2025-08-26
Estimated Expiration
2043-04-06

AI Technical Summary

Technical Problem

The intelligent level of multi-degree-of-freedom adjustment of the existing vehicle display screen is not high, the adjustment mechanism is complex, which affects the simple style of the car interior and lacks user comfort. The projection position adjustment operation is cumbersome and the space occupies a large amount.

Method used

The planetary roller screw is combined with a servo motor to realize multi-degree of freedom adjustment of the display screen and projection device, including height, angle and rotation. The support is driven by the planetary roller screw, and the servo motor drives the worm and worm gear mechanism to achieve angle adjustment and supports 360° rotation.

Benefits of technology

It realizes efficient and multi-degree adjustment of the display screen and projection device, reduces space occupation, maintains a simple interior style, improves the comfort of use, and meets the needs of multi-scene applications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a multi-degree-of-freedom vehicle-mounted display screen in the technical field of automobile auxiliary equipment, comprising: a display module pre-mounted frame, a side support seat fixedly mounted on the left inner wall of the display module pre-mounted frame near the top, a motor mounting seat fixedly mounted on the left inner wall of the lower end of the display module pre-mounted frame, a servo motor 1 mounted on the inner side of the motor mounting seat, a coupling mounted on the output end of the servo motor 1, a planetary roller screw mounted on the output end of the servo motor 1 through a coupling, and a bearing 1 mounted at the connection between the planetary roller screw and the side support seat. To a certain extent, the spatial volume is greatly reduced, the display screen can rotate around the axis, which can meet the pitch requirements of the display screen and can be hidden, making the interior appearance more simple, and other functional modules can be added. The projection device can rotate at any angle and can adapt to the projection requirements of different scenes.
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Description

Technical Field

[0001] The present invention relates to the technical field of automobile auxiliary equipment, in particular to a multi-degree-of-freedom vehicle-mounted display screen. Background Art

[0002] With the continuous advancement of science and technology, the interaction mode of in-vehicle systems has gradually shifted from physical buttons to full touch and voice interaction. Components such as large central control screens, LCD instrument panels, and streaming media rearview mirrors have enriched the functionality and entertainment of vehicles. However, with the continuous improvement of intelligence, in-vehicle systems are gradually developing in the direction of large screens, integration, and multi-scenario applications. Therefore, the screen has become the core of smart vehicles.

[0003] The main purpose of the Chinese patent "CN202020876833.5 A central control display screen for a car with an angle adjustment function" is stated in the reference document as "the height of the central control display screen can be adjusted to a suitable position for the driver, and then the universal ball can be rotated freely in the universal groove to adjust the angle of the central control display screen at will, so that people are in a comfortable environment when using it, expand the scope of use, remind the driver of the status, and prevent fatigue driving."

[0004] The overall adjustment structure in the comparative document is relatively simple, resulting in a low level of intelligent multi-degree-of-freedom adjustment for the current in-vehicle display screen and a relatively complex adjustment mechanism;

[0005] The application of vehicle-mounted projection technology greatly meets the market demand for large screens, but the adjustment of the projection position is cumbersome and the space size is relatively large;

[0006] At the same time, the increase in functional modules will also affect the minimalist style of the car interior, reducing the user's perceived space and comfort.

[0007] To this end, we propose a multi-degree-of-freedom vehicle display. Summary of the Invention

[0008] The purpose of the present invention is to provide a multi-degree-of-freedom vehicle-mounted display screen to solve the problems raised in the above background technology.

[0009] To achieve the above objectives, the present invention provides the following technical solution: a multi-degree-of-freedom vehicle-mounted display screen, comprising:

[0010] Display module pre-set rack;

[0011] A side support seat, the side support seat is fixedly mounted on the left inner wall of the display module pre-mounted frame near the top;

[0012] A motor mounting seat, the motor mounting seat being fixedly mounted on the left inner wall of the lower end of the display module pre-mounted frame;

[0013] Servo motor 1, servo motor 1 is mounted on the inner side of the motor mounting base;

[0014] A coupling is installed at the output end of the servo motor;

[0015] A planetary roller screw, the planetary roller screw being mounted on the output end of the servo motor 1 through a coupling;

[0016] Bearing 1, bearing 1 is installed at the connection between the planetary roller screw and the side support seat, and the top of bearing 1 is covered with bearing end cover 1;

[0017] a bracket mounting seat, the bracket mounting seat being threadedly connected to an outer wall of the planetary roller screw;

[0018] The bracket is fixedly connected to the outer wall of the bracket mounting base, and the right end of the bracket is movably connected to the right inner wall of the display module pre-mounted rack;

[0019] Servo motor 2, servo motor 2 is fixedly mounted on the right end surface of the bracket;

[0020] A worm, the worm being movably connected to the output end of the second servo motor via a reducer;

[0021] A rotating shaft, the rotating shaft being movably arranged on the inner walls at both ends of the bracket through bearings;

[0022] A worm wheel is mounted on the outer wall of the right end of the rotating shaft, and the worm wheel is meshed with the worm, and a second bearing is provided at the connection between the worm wheel and the rotating shaft;

[0023] A guard plate mounted on the outer wall of the rotating shaft;

[0024] A profiling module, the profiling module being movably mounted on the rear end surface of the guard plate;

[0025] A display screen module, the display screen module is movably mounted on the front end surface of the guard plate;

[0026] The projection device is movably mounted on the top of the guard plate, and an adjustment steering component is arranged at the bottom of the projection device.

[0027] Furthermore, the adjustment steering assembly includes a rotating shaft 2 installed at the bottom of the projection device, the bottom of the rotating shaft 2 is connected to a worm gear 2, a servo motor 3 is set in the inner cavity of the profiling module, the output end of the servo motor 3 is connected to a worm gear 2 through a reducer, the worm gear 2 is meshed and connected to the worm gear 2, the bottom of the rotating shaft 2 is connected to the inner wall of the profiling module and a bearing 3 and a bearing end cover 2 are set at the connection.

[0028] Furthermore, a slider is provided at the right end of the bracket, and a slide rail is provided on the end surface of the display module pre-mounted frame corresponding to the slider.

[0029] Furthermore, the bracket mounting seat includes a support frame fixedly connected to the bracket, an internal threaded flange nut is provided on the inner wall of the support frame, and the internal threaded flange nut is threadedly connected to the outer wall of the planetary roller screw.

[0030] Furthermore, the profiling module, the display screen module and the guard plate are fixed together by screws, and the profiling module, the display screen module and the guard plate are movably arranged on the inner side of the bracket through a rotating shaft.

[0031] Furthermore, the projection device can be rotated 360 degrees via the second rotating shaft.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] (1) The present invention applies a planetary roller screw to the height adjustment of a display screen module and a projection device module, which greatly reduces the space volume to a certain extent;

[0034] (2) The display screen of the present invention can rotate around an axis, which can meet the requirements of pitching the display screen;

[0035] (3) When the display screen function is not used, the present invention can be hidden, making the interior appearance more simple, and other functional modules can be added;

[0036] (4) The projection device of the present invention can be rotated at any angle and can adapt to the projection requirements of different scenes. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of the structure of the present invention;

[0038] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention.

[0039] In the figure: 1. Side support seat; 2. Bearing end cover 1; 3. Bearing 1; 4. Bracket mounting seat; 5. Planetary roller screw; 6. Coupling; 7. Servo motor 1; 8. Motor mounting seat; 9. Profiling module; 10. Display screen module; 11. Projection device; 12. Guard plate; 13. Rotating shaft; 14. Display module pre-mounted rack; 15. Bearing 2; 16. Worm gear; 17. Servo motor 2; 18. Worm; 19. Bracket; 20. Slider; 21. Slide rail; 22. Rotating shaft 2; 23. Servo motor 3; 24. Worm 2; 25. Worm gear 2; 26. Bearing 3; 27. Bearing end cover 2. DETAILED DESCRIPTION

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0041] See also Figure 1-2The present invention provides a technical solution: a multi-degree-of-freedom vehicle-mounted display screen, comprising: a display module pre-mounted frame 14, the display module pre-mounted frame 14 is installed in the interior of the car, a side support seat 1, the side support seat 1 is fixedly installed on the left inner wall of the display module pre-mounted frame 14 near the top, the side support seat 1 is fixedly connected to the display module pre-mounted frame 14 by screws, and then the lifting space is reserved according to the size of the space in the car, and a motor mounting seat 8 and a planetary roller screw 5 are added, a motor mounting seat 8, the motor mounting seat 8 is fixedly installed on the left inner wall of the lower end of the display module pre-mounted frame 14, and a servo motor 7 is installed on the inner side of the motor mounting seat 8. Coupling 6, coupling 6 is installed at the output end of servo motor 7, planetary roller screw 5, planetary roller screw 5 is installed at the output end of servo motor 7 through coupling 6, and servo motor 7 is connected to the power supply through the control switch, and the planetary roller screw 5 is driven to rotate through coupling 6. At this time, the bracket mounting seat 4 is threaded with the planetary roller screw 5, and the right end of the bracket 19 is limited in the slide rail 21 by the slider 20, thereby driving the bracket 19 to rise and fall to adjust the height, bearing 3, bearing 3 is installed at the connection between the planetary roller screw 5 and the side support seat 1, the top of the bearing 3 is covered with the bearing end cover 2, bracket mounting seat 4, bracket installation The seat 4 is threadedly connected to the outer wall of the planetary roller screw 5, the bracket 19, the bracket 19 is fixedly connected to the outer wall of the bracket mounting seat 4, and the right end of the bracket 19 is movably connected to the right inner wall of the display module pre-set frame 14, the servo motor 2 17, the servo motor 2 17 is fixedly mounted on the right end face of the bracket 19, the worm 18, the worm 18 is movably connected to the output end of the servo motor 2 17 through the reducer, the rotating shaft 13, the rotating shaft 13 is movably set on the inner wall at both ends of the bracket 19 through the bearing, the worm gear 16, the worm gear 16 is mounted on the outer wall of the right end of the rotating shaft 13, and the worm gear 16 is meshed with the worm gear 18, and the connection between the worm gear 16 and the rotating shaft 13 is provided with a bearing 2 15 , guard plate 12, guard plate 12 is installed on the outer wall of the rotating shaft 13, the profiling module 9, the profiling module 9 is movably installed on the rear end face of the guard plate 12, the display screen module 10, the display screen module 10 is movably installed on the front end face of the guard plate 12, the projection device 11, the projection device 11 is movably installed on the top of the guard plate 12, and the bottom of the projection device 11 is provided with an adjustment steering assembly. When the servo motor 17 is operated, the worm 18 is driven to rotate and cooperate with the worm gear 16 to drive the rotating shaft 13 to rotate and adjust, thereby driving the profiling module 9, the display screen module 10 and the guard plate 12 to flip and adjust the angle, and the angle of the projection device 11 can be adjusted by adjusting the steering assembly.

[0042] See also Figure 2The steering adjustment assembly includes a second rotating shaft 22 mounted on the bottom of the projection device 11. The bottom of the second rotating shaft 22 is connected to a second worm gear 25. A third servo motor 23 is provided in the inner cavity of the profiling module 9. The output end of the third servo motor 23 is connected to a second worm gear 24 via a reducer. The second worm gear 24 is meshed with the second worm gear 25. The bottom of the second rotating shaft 22 is connected to the inner wall of the profiling module 9, and a third bearing 26 and a second bearing end cap 27 are provided at the connection. The servo motor 23 is connected to the power supply through a control switch to drive the second worm gear 24 to rotate, and the meshed connection with the second worm gear 25 drives the second rotating shaft 22 to rotate and adjust, thereby driving the projection device 11 to change the angle.

[0043] See also Figure 1 A slider 20 is provided at the right end of the bracket 19, and a slide rail 21 is provided on the end surface of the display module pre-set frame 14 corresponding to the slider 20. The slider 20 slides in the slide rail 21 in a limited position, so that the bracket 19 is limitedly raised and lowered when the planetary roller screw 5 is raised and lowered;

[0044] Please refer again Figure 1 The bracket mounting seat 4 includes a support frame fixedly connected to the bracket 19, an internal threaded flange nut is provided on the inner wall of the support frame, and the internal threaded flange nut is threadedly connected to the outer wall of the planetary roller screw 5, and the internal threaded flange nut is threadedly matched with the planetary roller screw 5, so that when the planetary roller screw 5 rotates, the bracket 19 is driven to rise and fall through the movement of the bracket mounting seat 4;

[0045] Please refer again Figure 1 The profiling module 9, the display screen module 10 and the guard plate 12 are fixed together by screws, and the profiling module 9, the display screen module 10 and the guard plate 12 are movably arranged on the inner side of the bracket 19 through the rotating shaft 13 to form an integral component. A cavity is left between the profiling module 9 and the guard plate 12, and a reserved space with other functions such as a scanner, a printer, and a storage box can be reserved in the cavity;

[0046] See also Figure 1 and Figure 2 The projection device 11 can be rotated 360 degrees by the second rotating shaft 22 to meet the functional needs of users in various scenarios.

[0047] Embodiment: The planetary roller screw 5 converts the rotational motion of the servo motor 7 shaft into the linear motion of the planetary roller screw 5 flange nut. At the same time, the bracket 19 is fixedly connected to the flange nut of the planetary roller screw 5 through the bracket mounting seat 4. The profiling module 9, the display module 10, the projection device 11, etc. are all installed on the bracket 19. The servo motor 7 is connected to the power supply through the control switch, and the planetary roller screw 5 is driven to rotate through the coupling 6. At this time, the bracket mounting seat 4 is threaded with the planetary roller screw 5, and the right end of the bracket 19 is limited in the slide rail 21 by the slider 20, thereby driving the bracket 1 9 is raised and lowered to adjust the height. When the display screen module 10 and the projection device need to be adjusted in pitch, the servo motor 17 is operated to drive the worm 18 to rotate and cooperate with the worm gear 16 to drive the rotating shaft 13 to rotate and adjust, thereby driving the profiling module 9, the display screen module 10 and the guard plate 12 to flip and adjust the angle, and the angle of the projection device 11 can be adjusted by adjusting the steering assembly. The servo motor 3 23 is connected to the power supply through the control switch to drive the worm 2 24 to rotate, and the meshing connection worm gear 25 drives the rotating shaft 22 to rotate and adjust, thereby driving the projection device 11 to convert the angle.

[0048] Embodiment 2: In the initial state, the display screen module 10 and the projection device 11 are in a hidden state, and the profiling module 9 cooperates with other interior decorations of the car to make the overall structure simple and increase comfort. When the display screen function is started, the servo motor 17 drives the shaft 13 to rotate, thereby rotating the display screen module 10 to a position suitable for the operator; when the in-vehicle projection function is started, the servo motor 23 drives the shaft 22 to rotate, thereby rotating the projection device 11 to a position suitable for the operator; when the operator finishes use, the profiling module 9 returns to the initial state.

[0049] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A multi-degree-of-freedom vehicle display screen, characterized in that: include: Display module pre-set rack (14); A side support seat (1), the side support seat (1) is fixedly mounted on the left inner wall of the display module pre-mounted frame (14) near the top; A motor mounting seat (8), the motor mounting seat (8) is fixedly mounted on the left inner wall of the lower end of the display module pre-mounted frame (14); Servo motor 1 (7), servo motor 1 (7) is mounted on the inner side of the motor mounting seat (8); A coupling (6), the coupling (6) being mounted on the output end of the servo motor (7); A planetary roller screw (5), the planetary roller screw (5) is mounted on the output end of the servo motor (7) via a coupling (6); Bearing 1 (3), bearing 1 (3) is installed at the connection between the planetary roller screw (5) and the side support seat (1), and the top of the bearing 1 (3) is covered with a bearing end cover 1 (2); A bracket mounting seat (4), the bracket mounting seat (4) being threadedly connected to the outer wall of the planetary roller screw (5); A bracket (19), the bracket (19) is fixedly connected to the outer wall of the bracket mounting seat (4), and the right end of the bracket (19) is movably connected to the right inner wall of the display module pre-set frame (14); Servo motor 2 (17), servo motor 2 (17) is fixedly mounted on the right end surface of the bracket (19); A worm (18), the worm (18) is movably connected to the output end of the second servo motor (17) via a speed reducer; A rotating shaft (13), the rotating shaft (13) being movably arranged on the inner walls at both ends of the bracket (19) through bearings; A worm wheel (16), the worm wheel (16) is mounted on the outer wall of the right end of the rotating shaft (13), and the worm wheel (16) is meshedly connected to the worm (18), and a second bearing (15) is provided at the connection between the worm wheel (16) and the rotating shaft (13); A guard plate (12), the guard plate (12) being mounted on the outer wall of the rotating shaft (13); A profiling module (9), the profiling module (9) being movably mounted on the rear end surface of the guard plate (12); A display screen module (10), the display screen module (10) is movably mounted on the front end surface of the guard plate (12); A projection device (11) is movably mounted on the top of the guard plate (12), and an adjustment steering assembly is provided at the bottom of the projection device (11).

2. The multi-degree-of-freedom vehicle-mounted display screen according to claim 1, characterized in that: The adjustment steering assembly includes a second rotating shaft (22) installed at the bottom of the projection device (11), the bottom of the second rotating shaft (22) is connected to the second worm gear (25), the inner cavity of the profiling module (9) is provided with a third servo motor (23), the output end of the third servo motor (23) is connected to the second worm gear (24) through a speed reducer, the second worm gear (24) is meshed with the second worm gear (25), the bottom of the second rotating shaft (22) is connected to the inner wall of the profiling module (9), and a third bearing (26) and a second bearing end cover (27) are provided at the connection.

3. The multi-degree-of-freedom vehicle-mounted display screen according to claim 1, characterized in that: A slider (20) is provided at the right end of the bracket (19), and a slide rail (21) is provided at the end surface of the display module pre-mounted frame (14) corresponding to the slider (20).

4. The multi-degree-of-freedom vehicle-mounted display screen according to claim 1, characterized in that: The bracket mounting seat (4) includes a support frame fixedly connected to the bracket (19), an internal thread flange nut is provided on the inner wall of the support frame, and the internal thread flange nut is threadedly connected to the outer wall of the planetary roller screw (5).

5. The multi-degree-of-freedom vehicle-mounted display screen according to claim 1, characterized in that: The profiling module (9), the display screen module (10) and the guard plate (12) are fixed together by screws, and the profiling module (9), the display screen module (10) and the guard plate (12) are movably arranged on the inner side of the bracket (19) via the rotating shaft (13).

6. The multi-degree-of-freedom vehicle-mounted display screen according to claim 2, characterized in that: The projection device (11) can be rotated and adjusted 360 degrees via the second rotating shaft (22).

Citation Information

Patent Citations

  • Automobile central control display screen with angle adjusting function

    CN213109209U

  • Multi-degree-of-freedom vehicle-mounted display screen

    CN219467665U