Screen adjusting device, vehicle-mounted screen and vehicle thereof

Abstract

The application discloses a screen adjusting device, which comprises a sliding device, a connecting part, a base, a first telescopic device, a second telescopic device and a third telescopic device. One side of the sliding device is adapted to be connected with a screen. The connecting part is in sliding cooperation with the sliding device. The first telescopic device has telescopic property. One end of the first telescopic device is rotationally connected with the connecting part, and the other end is rotationally connected with the base. The second telescopic device has telescopic property. The first telescopic device is arranged above the second telescopic device in parallel. One end of the second telescopic device is rotationally connected with the connecting part, and the other end is rotationally connected with the base. The third telescopic device has telescopic property. One end of the third telescopic device is rotationally connected with the base, and the other end is rotationally connected with the second telescopic device, and drives the second telescopic device to move up and down. The screen adjusting device can realize the adjustment and control of the screen in front and back, up and down, left and right and pitching, the movement is smoother and more fluent, the overall structure is stable in operation, and a new driving experience is provided for a driver.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle display screen, more particularly to a screen adjusting device, a vehicle display screen and a vehicle. BACKGROUND

[0002] With the development of the automobile industry, along with the continuous evolution of consumer demand, consumers have put forward higher requirements for the intelligent interaction of automobiles, and are unwilling to be limited to screen vision and voice interaction, and directly upgrade virtual voice vision to screen entity interaction.

[0003] The existing vehicle display screen is usually arranged at the middle position in front of the driver's seat and the front passenger's seat, and can only realize single mechanical rotation or single mechanical linear motion, has poor adjustability, is limited in use, and thus leads to poor user experience, or some vehicle screen adjusting devices can realize simple rotation function, but the structure and driving operation are complex, the cost is high, the stability and motion precision are insufficient, and the use requirements cannot be met, and thus further optimization is needed. SUMMARY

[0004] The purpose of the present application is to provide a screen adjusting device which can realize the adjustment and control of the screen in front and back, up and down, left and right, and pitching, realize the multi-degree-of-freedom motion of the screen, and improve the customer experience.

[0005] In order to achieve the above-mentioned purpose, the present application provides a screen adjusting device, comprising:

[0006] A sliding device, one side of the sliding device is adapted to be connected with the screen;

[0007] A connecting part, the connecting part is in sliding cooperation with the sliding device;

[0008] A base;

[0009] A first telescopic device, having telescopic property, one end of the first telescopic device is rotationally connected with the connecting part, and the other end of the first telescopic device is rotationally connected with the base;

[0010] A second telescopic device, having telescopic property, the first telescopic device is arranged above the second telescopic device in parallel, one end of the second telescopic device is rotationally connected with the connecting part, and the other end of the second telescopic device is rotationally connected with the base;

[0011] A third telescopic device, having telescopic property, one end of the third telescopic device is rotationally connected with the base, and the other end of the third telescopic device is rotationally connected with the second telescopic device.

[0012] Compared with the prior art, the screen adjusting device of the present application can realize the front and back movement of the screen by synchronously stretching and retracting the first and second retracting devices, and can realize the forward and backward movement and the upward and downward movement of the screen by the different stretching and retracting lengths of the first and second retracting devices, and can realize the upward and downward movement of the screen by the third retracting device in the vertical direction, and can realize the overall left and right horizontal movement of the screen by the left and right sliding of the connecting part in the sliding device, so that the screen adjusting device realizes the control of the front and back, upward and downward, left and right, and upward and downward movement of the screen by the position accuracy control of each movement mechanism and the parallel combination of the multi-axis and one-way movement, realizes the multi-degree-of-freedom movement of the screen, the stepless control of the screen movement, and the smoother and smoother movement, the stable operation of the overall structure, the realization of the complex screen movement track by the simple structure, and the intelligent and friendly interaction of the vehicle-mounted screen, and the new driving experience for the driver.

[0013] In some embodiments, the sliding device comprises a bearing part and a sliding block, the sliding block is connected with the connecting part, and the bearing part is provided with a mounting cavity for mounting the screen, and a guide rail for sliding cooperation with the sliding block is arranged on one side of the mounting cavity close to the connecting part in the length direction, and the connecting part slides in the length direction of the mounting cavity by cooperation of the sliding block and the guide rail.

[0014] In some embodiments, one side of the bearing part towards the connecting part is hollow, a sliding groove is formed between the guide rail and the bottom wall of the bearing part, and the connecting part is located in the sliding groove.

[0015] In some embodiments, the rotating connection is a hinge joint mechanism or a spherical joint mechanism.

[0016] In some embodiments, the connecting part is provided with a first adapter part rotatably connected with the first retracting device and a second adapter part rotatably connected with the second retracting device, the first retracting device is provided with a first joint part rotatably connected with the first adapter part, and the second retracting device is provided with a second joint part rotatably connected with the second adapter part.

[0017] In some embodiments, the first adapter part comprises two first lug parts arranged opposite to each other, the second adapter part comprises two second lug parts arranged opposite to each other, the two first lug parts are provided with first hinge holes, and the two second lug parts are provided with second hinge holes.

[0018] The first joint part comprises two first joint pieces arranged opposite to each other, the second joint part comprises two second joint pieces arranged opposite to each other, the two first joint pieces are provided with first matching holes, and the two second joint pieces are provided with second matching holes.

[0019] Two of the first joint members are located between two of the first lug portions, and a first fastener passes through the first fitting hole and the first hinge hole to achieve the hinging of the two first lug portions and the two first joint members.

[0020] Two of the second joint members are located between two of the second lug portions, and a second fastener passes through the second fitting hole and the second hinge hole to achieve the hinging of the two second lug portions and the two second joint members.

[0021] In some embodiments, the base comprises a first support and a second support, which are separately arranged or integrally arranged.

[0022] In some embodiments, the first support and the second support are integrally arranged perpendicularly.

[0023] In some embodiments, the first support is provided with a third adapter part rotationally connected with the first telescopic device, and a fourth adapter part rotationally connected with the second telescopic device, the first telescopic device is provided with a third joint part rotationally connected with the third adapter part, and the second telescopic device is provided with a fourth joint part rotationally connected with the fourth adapter part.

[0024] In some embodiments, the second support is provided with a fifth adapter part rotationally connected with the third telescopic device, the third telescopic device is provided with a fifth joint part rotationally connected with the fifth adapter part, and the bottom of the second telescopic device is provided with a sixth adapter part, and the third telescopic device is provided with a sixth joint part rotationally connected with the sixth adapter part.

[0025] In some embodiments, the sixth adapter part comprises two oppositely arranged third lug portions, both of which are provided with a third hinge hole, and the sixth joint part comprises a pin shaft body arranged in a T shape with the output shaft of the third telescopic device, both ends of the pin shaft body are provided with an insertion part matched with the two third hinge holes, so as to achieve the hinging of the sixth adapter part and the sixth joint part.

[0026] In some embodiments, the first telescopic device comprises a seat frame, a driving part arranged on the seat frame, a transmission part, a telescopic rod, a guide part and a connecting part, the driving part drives the movement of the transmission part, the connecting part is arranged on the transmission part, the transmission part and the telescopic rod are connected through the connecting part, and the telescopic rod and the guide part are in sliding fit.

[0027] In some embodiments, the transmission part comprises a first transmission mechanism and a second transmission mechanism connected with each other, the driving part is connected with the first transmission mechanism, and the second transmission mechanism is provided with the connecting part.

[0028] Correspondingly, the application further provides a vehicle-mounted screen adopting the screen adjusting device.

[0029] Correspondingly, the application further provides a vehicle adopting the vehicle-mounted screen, which can realize the front-back, up-down, left-right and pitching control of the screen, realize the multi-degree-of-freedom movement of the screen, and realize the stepless control of the screen movement, so that the movement is smoother and more fluent, the overall structure is stable, the complex screen movement track is realized through simple structure, the intelligent friendly interaction of the vehicle-mounted screen can also be realized, and the driver can have a new driving experience. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 Fig. 1 is a structural schematic view of the screen adjusting device of the application.

[0031] Figure 2 Fig. 2 is a structural schematic view of the screen adjusting device shown in Fig. 1. Figure 1

[0032] Figure 3 Fig. 3 is an exploded view of the screen adjusting device shown in Fig. 2. Figure 2

[0033] Figure 4 Fig. 4 is a structural schematic view of the hidden screen in another angle in the screen adjusting device shown in Fig. 2. Figure 2

[0034] Figure 5 Fig. 5 is an exploded view of the screen adjusting device shown in Fig. 4. Figure 1

[0035] Figure 6 Fig. 6 is a structural schematic view of the second telescopic device in another angle in the screen adjusting device shown in Fig. 4. Figure 5

[0036] Figure 7 Fig. 7 is a partial structural schematic view of the first telescopic device in the screen adjusting device shown in Fig. 4. Figure 1

[0037] Symbol explanation:

[0038] ​​​​​​Sliding device 10, bearing part 11, mounting cavity 111, guide rail 113, sliding groove 115, sliding block 13, connecting part 20, first adapter part 21, first lug part 211, first hinge hole 213, second adapter part 23, second lug part 231, second hinge hole 233, base 30, first support 31, third adapter part 311, fourth adapter part 313, second support 33, fifth adapter part 331, sixth adapter part 333, third lug part 335, third hinge hole 337, first telescopic device 40, first joint part 41, first joint piece 411, third joint part 43, first fastener 45, second fastener 47, seat frame 481, driving part 482, transmission part 483, primary transmission mechanism 4831, secondary transmission mechanism 4832, telescopic rod 484, guide part 485, connecting piece 486, second telescopic device 50, second joint part 51, second joint piece 511, third telescopic device 60, fifth joint part 61, sixth joint part 63, pin shaft body 631, insertion part 633, screen 70. DETAILED DESCRIPTION

[0039] To make the technical content, structural features, achieved purposes and effects of the present application clear, the following will be described in detail in combination with the embodiments and the accompanying drawings.

[0040] In the description of the present application, the terms "first", "second", "third" and the like are only for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second", "third" and the like can explicitly or implicitly include one or more of the features.

[0041] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "jointing" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] Please refer to Figure 1The application discloses a screen adjusting device, which comprises a sliding device 10, a connecting part 20, a base 30, a first telescopic device 40, a second telescopic device 50 and a third telescopic device 60. One side of the sliding device 10 is adapted to be connected with a screen 70. The connecting part 20 is in sliding cooperation with the sliding device 10. The first telescopic device 40 is telescopic. One end of the first telescopic device 40 is rotationally connected with the connecting part 20, and the other end of the first telescopic device 40 is rotationally connected with the base 30. The second telescopic device 50 is telescopic. The first telescopic device 40 is arranged above the second telescopic device 50 in parallel. One end of the second telescopic device 50 is rotationally connected with the connecting part 20, and the other end of the second telescopic device 50 is rotationally connected with the base 30. The third telescopic device 60 is telescopic. One end of the third telescopic device 60 is rotationally connected with the base 30, and the other end of the third telescopic device 60 is rotationally connected with the second telescopic device 50, and drives the second telescopic device 50 to move up and down.

[0043] It can be understood that the connection between the sliding device 10 and the screen 70 can be fixed connection or detachable connection. The detachable connection can be clamping, buckling, magnetic attraction and the like. Preferably, the sliding device 10 and the screen 70 are detachably connected, which is beneficial to the installation and replacement of the screen 70. For example, when the screen 70 is a vehicle-mounted screen, the vehicle-mounted screen is faulty, black screen or dead screen appears, or the passenger's mobile phone screen needs to be used for display and navigation, the vehicle-mounted screen can be detached, and the mobile phone display screen can be installed. The screen 70 involved in the application can be, but is not limited to, an automobile display screen, a vehicle-mounted screen, a pad display screen, a mobile phone display screen and the like.

[0044] Please refer to Figures 2-4The sliding device 10 comprises a bearing part 11 and a sliding block 13 connected with the connecting part 20, the bearing part 11 is provided with a mounting cavity 111 for mounting the screen 70, the mounting cavity 111 is provided with a guide rail 113 for sliding cooperation with the sliding block 13 on the side close to the connecting part 20 along the length direction, and the connecting part 20 slides in the length direction of the mounting cavity 111 by cooperation of the sliding block 13 and the guide rail 113. That is, the screen 70 is positioned in the mounting cavity 111, and the positioning can be achieved by means such as buckling, buckling and the like, but is not limited to. In a preferred embodiment, the side of the bearing part 11 close to the connecting part 20 is hollow, and the guide rail 113 and the side of the bearing part 11 form a sliding groove 115, and the connecting part 20 is located in the sliding groove 115. In this embodiment, the lower wall of the mounting cavity 111 is provided with a guide rail 113 along the length direction, and the upper wall of the mounting cavity 111 is provided with a guide rail 113 along the length direction, and the upper and lower guide rails 113 and the side form upper and lower sliding grooves 115, and the connecting part 20 is located in the upper and lower sliding grooves 115, and the upper and lower parts of the connecting part 20 are connected with the guide rails 113 through four sliding blocks 13 respectively, so as to realize the horizontal relative sliding of the bearing part 11 relative to the connecting part 20, and realize the left and right horizontal movement of the screen 70. Of course, the sliding cooperation manner is not limited to this, and the connecting part 20 can also slide in the middle part of the bearing part 11 through one sliding block 13, therefore, the manner capable of realizing the horizontal relative sliding can be included in the technical scheme of the present application.

[0045] It can be understood that the rotating connection is a hinge hinge mechanism or a spherical hinge mechanism, that is, the rotating connection involved in the present application is stepless rotation, and selective rotation can be realized. The hinge hinge mechanism or the spherical hinge mechanism is two common hinge mechanisms, but is not limited to this. In a preferred embodiment, the present application provides a hinge hinge mechanism to realize the rotating connection, as an example, as shown in Figure 2 and Figure 5As shown, the connecting part 20 is provided with a first adapter part 21 rotatably connected with the first telescopic device 40, and a second adapter part 23 rotatably connected with the second telescopic device 50. The first telescopic device 40 is provided with a first joint part 41 rotatably connected with the first adapter part 21, and the second telescopic device 50 is provided with a second joint part 51 rotatably connected with the second adapter part 23. Specifically, the first adapter part 21 includes two first lug parts 211 oppositely arranged, the second adapter part 23 includes two second lug parts 231 oppositely arranged, the two first lug parts 211 are each provided with a first hinge hole 213, the two second lug parts 231 are each provided with a second hinge hole 233, the first joint part 41 includes two first joint members 411 oppositely arranged, the second joint part 51 includes two second joint members 511 oppositely arranged, the two first joint members 411 are each provided with a first matching hole, and the two second joint members 511 are each provided with a second matching hole. The two first joint members 411 are located between the two first lug parts 211, and the first fastener 45 passes through the first matching hole and the first hinge hole 213 to realize the hinging of the two first lug parts 211 and the two first joint members 411. The two second joint members 511 are located between the two second lug parts 231, and the second fastener 47 passes through the second matching hole and the second hinge hole 233 to realize the hinging of the two second lug parts 231 and the two second joint members 511. The first fastener 45 passes through the first matching hole of the first joint member 411 and the first hinge hole 213 of the first lug part 211 at the same time to connect the two first lug parts 211 and the two first joint members 411 in a hinged manner, realizing the rotation of the two parts around the same axis.

[0046] It can be understood that, please refer to Figure 1 , the first telescopic device 40 is hinged with the connecting part 20 at point A, the first telescopic device 40 is hinged with the base 30 at point B, the second telescopic device 50 is hinged with the connecting part 20 at point C, the second telescopic device 50 is hinged with the base 30 at point D, and ABCD are connected to form a parallelogram linkage structure, which has good stability. Further, the third telescopic device 60 is hinged with the second telescopic device 50 at point E, and the third telescopic device 60 is hinged with the base 30 at point F, and the point E is located between the points C and D.

[0047] It should be understood that the first telescopic device 40 and the second telescopic device 50 have telescopic properties, which means that the first telescopic device 40 and the second telescopic device 50 can be operated to be extended or shortened, generally along the axial direction of the first telescopic device 40 and the second telescopic device 50, so as to realize the front and back adjustment of the screen 70. Of course, the first telescopic device 40 and the second telescopic device 50 can be independently controlled to be telescoped or synchronously controlled to be telescoped. As an example, the synchronous telescoping is used to realize the front and back movement of the screen 70, and as another example, the first telescopic device 40 and the second telescopic device 50 are independently controlled to be telescoped, when the extension length of the first telescopic device 40 is less than that of the second telescopic device 50, the upward movement of the screen 70 is realized; on the contrary, when the extension length of the first telescopic device 40 is greater than that of the second telescopic device 50, the downward movement of the screen 70 is realized. The third telescopic device 60 has telescopic properties, which means that the third telescopic device 60 can be operated to be extended or shortened, generally along the axial direction of the third telescopic device 60, so as to realize the up and down movement of the screen 70. As an example, the third telescopic device 60 is operated to move upward, which drives the second telescopic device 50 to move upward, and the linkage drives the carrier 11 on which the screen 70 is installed to move upward, so as to realize the upward movement of the screen 70. Of course, this is only one movement mode, and a plurality of movement modes can be synchronously performed to realize the screen 70 to reach the best position suitable for the driver.

[0048] It should be understood that the first telescopic device 40, the second telescopic device 50 and the third telescopic device 60 are preferably electric cylinders, electric push rods, air cylinders, electro-hydraulic push rods or other driving execution members, which have simple push and pull functions. Here, the air cylinder is used as an example. Please refer to Figure 7, the specific embodiment of the first telescopic device 40 is given, the first telescopic device 40 includes seat frame 481, and the driving part 482, transmission part 483, telescopic rod 484, guide part 485, connecting piece 486 arranged on the seat frame 481, the driving part 482 drives the transmission part 483 to move, the connecting piece 486 is arranged on the transmission part 483, the transmission part 483 is connected with the telescopic rod 484 by the connecting piece 486, the telescopic rod 484 is in sliding fit with the guide part 485, in the embodiment, the guide part 485 is arranged on both sides of the seat frame 481, the guide part 485 can be configured as a sliding rail or similar sliding rail structure, the guide part 485 is in sliding fit with the telescopic rod 484, the first joint part 41 is located on the side of the telescopic rod 484 away from the driving part 482, the seat frame 481 is provided with the third joint part 43 rotatably connected with the third adapter 311, the driving part 482 drives the transmission part 483 to move, the connecting piece 486 drives the telescopic rod 484 to move forward and backward along the guide part 485, and the telescopic movement is realized. Further, the transmission part 483 includes a first transmission mechanism 4831 and a second transmission mechanism 4832 connected with each other, the driving part 482 is connected with the first transmission mechanism 4831, the second transmission mechanism 4832 is provided with the connecting piece 486, the driving part 482 drives the first transmission mechanism 4831 to move, the second transmission mechanism 4832 is driven to move through the first transmission mechanism 4831, the first transmission mechanism 4831 can be used for deceleration, and the second transmission mechanism 4832 drives the telescopic rod 484 to move forward and backward along the guide part 485 through the action of the connecting piece 486, and the telescopic movement is realized. Wherein, the first transmission mechanism 4831 and the second transmission mechanism 4832 can be but are not limited to gear mechanism, synchronous belt mechanism, driving wheel and driven wheel mechanism, etc., in the embodiment, the first transmission mechanism 4831 is a gear mechanism, and the second transmission mechanism 4832 is a synchronous belt mechanism, but is not limited thereto. Wherein, the second telescopic device 50 and the third telescopic device 60 involved in the application can also refer to the structure of the first telescopic device 40, which will not be described here.

[0049] Further, the control system can be added to control the telescopic length of the first telescopic device 40, the second telescopic device 50 and the third telescopic device 60, for example, through the man-machine interaction interface in communication with the control system, according to the need, the man-machine interaction interface is adjusted, for example, the first telescopic device 40, the second telescopic device 50 each needs to be lengthened by 10 cm, then the lengthening option is selected on the man-machine interaction interface, and the lengthening parameter is input as 10 cm, the control system can also be controlled and operated through the mobile phone APP, so that automatic and accurate control is realized. In addition, voice instruction can also be used, for example, the driver says "synchronously extend 5 cm forward", then the control system drives the first telescopic device 40 and the second telescopic device 50 to synchronously lengthen by 5 cm, so as to be safely used in the process of the car.

[0050] Please refer to Figures 5-6 The base 30 comprises a first support 31 and a second support 33, which are separately arranged or integrally arranged. The base 30 can be connected with a device requiring the screen adjusting device, for example, the base 30 is installed at a suitable position in a car as a car screen, and of course, the installation can be fixed or detachable. Among them, the first support 31 and the second support 33 are separately arranged, which means that the first support 31 and the second support 33 are not connected to meet the needs of different users or different car models. Preferably, the first support 31 and the second support 33 are connected with each other and integrally arranged, which is convenient for production and installation. In a preferred embodiment, the first support 31 and the second support 33 are vertically and integrally arranged, so as to facilitate the connection between the first telescopic device 40, the second telescopic device 50, the third telescopic device 60 and the first support 31 and the second support 33. For example, the first support 31 is provided with a third adapter 311 rotatably connected with the first telescopic device 40, and a fourth adapter 313 rotatably connected with the second telescopic device 50, the first telescopic device 40 is provided with a third joint 43 rotatably connected with the third adapter 311, the second telescopic device 50 is provided with a fourth joint 53 rotatably connected with the fourth adapter 313, the second support 33 is provided with a fifth adapter 331 rotatably connected with the third telescopic device 60, the third telescopic device 60 is provided with a fifth joint 61 rotatably connected with the fifth adapter 331, the second telescopic device 50 is provided with a sixth adapter 333, and the third telescopic device 60 is provided with a sixth joint 63 rotatably connected with the sixth adapter 333. Through the design, the screen adjusting device is compact and convenient to use.

[0051] It should be understood that the structure and cooperation of the third adapter 311 and the third joint 43, the structure and cooperation of the fourth adapter 313 and the fourth joint 53, the structure and cooperation of the fifth adapter 331 and the fifth joint 61, and the structure and cooperation of the sixth adapter 333 and the sixth joint 63 can correspond to the structure and cooperation of the first adapter 21 and the first joint 41 respectively, that is, the third adapter 311 and the third joint 43 are hinged, the fourth adapter 313 and the fourth joint 53 are hinged, the fifth adapter 331 and the fifth joint 61 are hinged, and the sixth adapter 333 and the sixth joint 63 are hinged. Of course, other hinge ways or structures can also be used, for example, please refer to Figures 5-6The sixth adapter 333 includes two third lug portions 335 arranged oppositely, and each of the third lug portions 335 is provided with a third hinge hole 337. The sixth joint portion 63 includes a pin shaft body 631 arranged in a T shape with the output shaft of the third telescopic device 60, and the pin shaft body 631 is provided with an insertion portion 633 at both ends to cooperate with the two third hinge holes 337, so as to realize the hinge connection between the sixth adapter 333 and the sixth joint portion 63. Of course, the structure and cooperation of the above-mentioned first adapter 21 and the first joint portion 41, the structure and cooperation of the third adapter 311 and the third joint portion 43, the structure and cooperation of the fourth adapter 313 and the fourth joint portion 53, and the structure and cooperation of the fifth adapter 331 and the fifth joint portion 61 can also adopt the hinge connection mode of the sixth adapter 333 and the sixth joint portion 63, but are not limited thereto.

[0052] The above only describes the preferred embodiments of the present application, and of course cannot limit the scope of the present application. Any equivalent changes made within the scope of the patent application of the present application are still within the scope of the present application.

Claims

1. A screen adjustment device, characterized in that, include: A sliding device, one side of which is adapted to be connected to a screen; The connecting part is slidably engaged with the sliding device; Base; The first telescopic device is telescopic, one end of the first telescopic device is rotatably connected to the connecting part, and the other end of the first telescopic device is rotatably connected to the base. The second telescopic device is telescopic. The first telescopic device is arranged parallel above the second telescopic device. One end of the second telescopic device is rotatably connected to the connecting part, and the other end of the second telescopic device is rotatably connected to the base. The third telescopic device is telescopic, one end of which is rotatably connected to the base, and the other end of which is rotatably connected to the second telescopic device, thereby driving the second telescopic device to move up and down. The sliding device includes a support part and a slider. The slider is connected to the connecting part. The support part is provided with a mounting cavity for mounting the screen. The mounting cavity is provided with a guide rail along the length direction near the connecting part, which slides in cooperation with the slider. The connecting part slides in the length direction of the mounting cavity by means of the cooperation between the slider and the guide rail.

2. The screen adjustment device as described in claim 1, characterized in that, The supporting part is hollowed out on one side of the connecting part, and a groove is formed between the guide rail and the bottom wall of the supporting part, with the connecting part located in the groove.

3. The screen adjustment device as described in claim 1, characterized in that, The rotating connection is a hinge mechanism or a spherical hinge mechanism.

4. The screen adjustment device as described in claim 3, characterized in that, The connecting part is provided with a first adapter part rotatably connected to the first telescopic device, and a second adapter part rotatably connected to the second telescopic device. The first telescopic device is provided with a first joint part rotatably connected to the first adapter part, and the second telescopic device is provided with a second joint part rotatably connected to the second adapter part.

5. The screen adjustment device as described in claim 4, characterized in that, The first adapter includes two first lugs spaced apart from each other, and the second adapter includes two second lugs spaced apart from each other. Each of the first lugs is provided with a first hinge hole, and each of the two second lugs is provided with a second hinge hole. The first connector portion includes two first connector members arranged at a relative distance, and the second connector portion includes two second connector members arranged at a relative distance. Each of the two first connector members is provided with a first mating hole, and each of the two second connector members is provided with a second mating hole. The two first connectors are located between the two first lugs, and the first fastener passes through the first mating hole and the first hinge hole to achieve hinge connection between the two first lugs and the two first connectors. The two second connectors are located between the two second lugs, and the second fastener passes through the second mating hole and the second hinge hole to achieve hinge connection between the two second lugs and the two second connectors.

6. The screen adjustment device as described in claim 2, characterized in that, The base includes a first bracket and a second bracket, which are either separately mounted or integrated together.

7. The screen adjustment device as described in claim 6, characterized in that, The first bracket and the second bracket are vertically integrated.

8. The screen adjustment device as described in claim 6, characterized in that, The first bracket is provided with a third adapter that is rotatably connected to the first telescopic device, and a fourth adapter that is rotatably connected to the second telescopic device. The first telescopic device is provided with a third connector that is rotatably connected to the third adapter, and the second telescopic device is provided with a fourth connector that is rotatably connected to the fourth adapter.

9. The screen adjustment device as described in claim 7, characterized in that, The second bracket is provided with a fifth adapter that is rotatably connected to the third telescopic device. The third telescopic device is provided with a fifth joint that is rotatably connected to the fifth adapter. The bottom of the second telescopic device is provided with a sixth adapter. The third telescopic device is provided with a sixth joint that is rotatably connected to the sixth adapter.

10. The screen adjustment device as described in claim 9, characterized in that, The sixth adapter includes two oppositely arranged third lugs, each of which is provided with a third hinge hole. The sixth connector includes a pin body arranged in a T-shape with the output shaft of the third telescopic device. Both ends of the pin body are provided with insertion portions that mate with the two third hinge holes, so as to realize the hinge connection between the sixth adapter and the sixth connector.

11. The screen adjustment device as claimed in claim 1, characterized in that, The first telescopic device includes a base frame, and a drive part, a transmission part, a telescopic rod, a guide part, and a connecting member disposed on the base frame. The drive part drives the transmission part to move. The connecting member is disposed on the transmission part, and the transmission part is connected to the telescopic rod by means of the connecting member. The telescopic rod is in sliding fit with the guide part.

12. The screen adjustment device as claimed in claim 11, characterized in that, The transmission unit includes a primary transmission mechanism and a secondary transmission mechanism connected to each other. The drive unit is connected to the primary transmission mechanism, and the secondary transmission mechanism is provided with the connecting member.

13. A vehicle-mounted screen, characterized in that, The screen adjustment device according to any one of claims 1-12 is used.

14. A vehicle, characterized in that, The vehicle screen described in claim 13 is used.

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