Rotating device for vehicle-mounted display screen

Abstract

The invention relates to a rotating device for a vehicle-mounted display screen, which comprises a pitching rotating assembly and a horizontal rotating assembly, the display screen is fixed on the pitching rotating assembly, and the pitching rotating assembly is arranged above the horizontal rotating assembly. The display screen performs pitching rotation through the pitching rotation assembly and performs horizontal rotation through the horizontal rotation assembly. According to the rotating device for the vehicle-mounted display screen, the pitching direction and the horizontal left-right direction of the display screen can be adjusted.

Description

Technical Field

[0001] The invention relates to a rotating device for a vehicle-mounted display screen. Background Art

[0002] Vehicles are usually equipped with an on-board display screen, which is used to display relevant information to the driver. Most on-board displays are fixed at a specific angle, so the display screen may reflect light under different lighting conditions. Moreover, this installation method cannot meet the needs of users of different heights and sitting postures to adjust the display screen angle.

[0003] To this end, the prior art provides an installation structure for a car display screen, which enables a slider to slide along an arc-shaped guide groove to make an arc-shaped movement of the central control display screen to achieve changes in its tilt angle and height, and then fixes it through a positioning mechanism to change the reflection angle of light, thereby meeting the vision requirements of drivers of different heights.

[0004] This installation structure can only adjust the pitch angle of the display screen, but cannot rotate the display screen left and right. Therefore, when the display screen is illuminated by light outside the car, the reflection of the display screen cannot be avoided by changing the left and right direction of the display screen.

[0005] Moreover, the display screen rotation technology in the prior art does not fully consider the mass production scenario, and the display screen connection structure, wiring harness layout, actual vehicle assembly structure and effective locking structure are insufficiently designed.

[0006] Therefore, the technical problem existing in the prior art is how to adjust the left and right directions of the display screen.

[0007] The information disclosed in this background section is only intended to enhance understanding of the overall background of the invention and should not be taken as an acknowledgement or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0008] In order to solve the above technical problems, the present invention provides a rotating device for a vehicle-mounted display screen, which can adjust the pitch and horizontal left and right directions of the display screen.

[0009] The rotating device of the vehicle-mounted display screen of the present invention can facilitate operation for users and improve visual experience.

[0010] The rotating device of the vehicle-mounted display screen of the present invention enables the rotating structure to be effectively locked and meets the standards for actual vehicle application and mass production.

[0011] According to an embodiment of the present invention, the rotation device of the vehicle-mounted display screen includes a pitch rotation component and a horizontal rotation component, wherein the display screen is fixed to the pitch rotation component, and the pitch rotation component is installed above the horizontal rotation component. The display screen is pitched and rotated by the pitch rotation component and is horizontally rotated by the horizontal rotation component.

[0012] Preferably, the pitch rotation assembly comprises a limit shaft and a support frame; the limit shaft is mounted on the horizontal rotation assembly and extends in the vertical direction; the support frame is rotatably mounted on the horizontal rotation assembly, and the display screen is fixedly mounted on the support frame.

[0013] Preferably, the support frame comprises a limiting groove, and the limiting shaft passes through the limiting groove.

[0014] Preferably, the pitch rotation assembly also includes a limit tooth block, a button and a spring; an arc-shaped rack is formed on the support frame; the limit tooth block is installed on the limit shaft and has teeth that can engage with the arc-shaped rack; the spring is installed on the limit shaft and applies an elastic force to make the teeth of the limit tooth block engage with the arc-shaped rack; the button is movably arranged on the limit shaft and passes through the limit slot, and the button can enable the limit tooth block to overcome the elastic force of the spring and disengage from the arc-shaped rack by the force applied to it.

[0015] Preferably, the arc-shaped rack is located on the lower side of the support frame, the limiting tooth block is located below the arc-shaped rack, and the spring is located below the limiting tooth block; the limiting tooth block engages with the arc-shaped rack through the elastic force of the spring, and overcomes the elastic force of the spring by the downward pressure applied by the user on the button to disengage from the arc-shaped rack.

[0016] Preferably, the support frame is hinged to the horizontal rotating assembly via a hinge shaft; the arc-shaped rack of the support frame is formed with the hinge shaft as the center and the distance from the arc-shaped rack to the hinge shaft as the radius.

[0017] Preferably, the support frame is a U-shaped structure with an opening facing outward, and the display screen is installed at one end of the opening of the support frame. The support frame is composed of a gear plate and a connecting plate fixedly connected together, wherein the gear plate is located at the top and the connecting plate is located at the bottom.

[0018] Preferably, the arc-shaped rack is arranged on the lower side of the gear plate, and the middle part of the connecting plate is hinged to the horizontal rotating assembly through a hinge shaft.

[0019] Preferably, the pitch rotation assembly adjusts the pitch angle of the display screen, the adjustment range of the pitch angle is between +2° and -20°, and the tooth pitch of the arc-shaped rack is an arc of 2°.

[0020] Preferably, the pitch rotation assembly further comprises a limit baffle, and the limit baffle is arranged to be respectively installed on both sides of the arc-shaped rack of the support frame to cover the limit gear block and the arc-shaped rack.

[0021] Preferably, a button cap is provided on the button.

[0022] Preferably, the horizontal rotation assembly includes a steering seat, an upper cover plate and a lower cover plate; the upper cover plate and the lower cover plate are combined with each other to form a shell, the shell has an accommodating space, the steering seat is arranged in the accommodating space and can rotate relative to the shell; the support frame is rotatably mounted on the steering seat.

[0023] Preferably, the steering seat comprises a bottom plate located at the bottom and a boss located above the bottom plate, and the bottom plate and the boss are an integral structure.

[0024] Preferably, the upper cover plate is formed with a circular opening hole, and the boss is circular and installed in the circular opening hole.

[0025] Preferably, a support seat is arranged above the boss, and the support seat is formed with a support seat hole opening upward, and the limiting shaft is inserted into and fixed in the support seat hole.

[0026] Preferably, two lugs protrude upwards on both sides of the support seat, and hinge shaft holes are horizontally formed on the lugs. The hinge shaft passes through the hinge shaft holes to hinge the lower part of the support frame to the lugs.

[0027] Preferably, the horizontal rotation assembly further includes a ball assembly; one of the steering seat and the upper cover plate is provided with a first groove; the other of the steering seat and the upper cover plate is provided with a second groove; and the ball assembly is installed in the first groove.

[0028] Preferably, there are a plurality of first grooves formed in an arc shape around the rotation center at predetermined intervals; the number of the second grooves is greater than the number of the first grooves, and the second grooves are arranged at predetermined intervals with the same arc as the first grooves.

[0029] Preferably, the first predetermined interval is an integer multiple of the second predetermined interval.

[0030] Preferably, the ball assembly comprises a ball, a spring and a screw plug; the screw plug is inserted into the first groove, the spring is installed on the upper part of the screw plug, and the ball is installed on the upper part of the spring.

[0031] Preferably, a shift rod is formed on one of the upper cover plate and the steering seat, and an arc groove is formed on the other of the upper cover plate and the steering seat.

[0032] Preferably, the horizontal rotation component adjusts the horizontal rotation of the display screen, and the adjustment range of the horizontal rotation angle is between -27° and +27°.

[0033] Preferably, the tooth spacing of the first groove is an arc of 2°.

[0034] Preferably, the rotating device further comprises an outer shell and a bracket, wherein the outer shell is mounted outside the pitch rotating assembly and the horizontal rotating assembly; and the bracket is mounted on the outer shell to connect and fix the outer shell to the vehicle dashboard.

[0035] The beneficial effects of the rotating device for the vehicle-mounted display screen of the present invention are:

[0036] 1. Effectively improve the display screen reflection problem under different lighting conditions, and provide comfortable operation and visual experience for drivers and co-drivers of different heights and sitting postures.

[0037] 2. Provide theater mode to provide a better visual experience for the driver and co-pilot lying in the seat.

[0038] 3. When the user does not adjust, the rotating structure of the present invention can be effectively locked.

[0039] 4. Meet the standards for actual vehicle application and mass production.

[0040] The methods and apparatus of the present invention have other features and advantages that will be apparent from, or will be described in detail in, the accompanying drawings and subsequent embodiments incorporated herein, which together serve to explain the specific principles of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 The figure is a general schematic diagram of a rotating device for a vehicle-mounted display screen according to the present invention, which is equipped with a display screen.

[0042] Figure 2 Schematic diagram showing a rotating device for a vehicle-mounted display screen according to the present invention.

[0043] Figure 3 It is a schematic diagram showing various components of the rotating device for the vehicle-mounted display screen according to the present invention.

[0044] Figure 4 The diagram shows a pitch rotation assembly of a rotation device for a vehicle-mounted display screen of the present invention.

[0045] Figure 5 This is a schematic diagram of the pitch rotation assembly viewed from above.

[0046] Figure 6 is a schematic diagram showing a torsion spring of a pitch rotation assembly.

[0047] Figure 7The diagram shows an upper cover plate of a horizontal rotating assembly of a rotating device for a vehicle-mounted display screen of the present invention.

[0048] Figure 8 is a schematic diagram showing a steering seat of a horizontal rotation assembly.

[0049] Fig. 9 is a schematic diagram showing a rolling assembly of a horizontal rotation assembly.

[0050] Fig.10 1 is a side view showing a rotating device for a vehicle-mounted display screen according to the present invention.

[0051] Figures 11A-11F is a schematic diagram showing different adjustment states of the rotating device for the vehicle-mounted display screen of the present invention, wherein Fig.11A The rotating device is in the original position. Fig. 11B The pitch rotation component is rotated upward by +2°. Fig. 11C The pitch rotation assembly is rotated downward by -20°. Fig.11D The horizontal rotation component is rotated to the right by +27°. Fig.11E The horizontal rotation component is rotated to the left at an angle of -27°. Fig.11F This is the state where the rotating device is rotating in space (i.e., rotating downward and rightward at the same time).

[0052] Explanation of symbols in the figure:

[0053] 1: Wire harness 2: Horizontal steering decorative cover

[0054] 3: Limit baffle 4: Gear plate

[0055] 5: Button 6: Limiting tooth block

[0056] 7: Spring 8: Connecting plate

[0057] 9: Limiting axis 10: Upper cover

[0058] 11: Circuit board 12: Wire harness clamp

[0059] 13: Pitch and rotation decorative cover 14: Hinge axis

[0060] 15: Washer 16: Lock nut

[0061] 17: Torsion spring 18: Steering seat

[0062] 19: Ball 20: Spring

[0063] 21: Lower cover 22: Resin gasket

[0064] 23: Baffle 24: Bracket

[0065] 25: Outer shell 26: Gear lever

[0066] 27: Upper groove 28: Rotation axis

[0067] 29: Lower groove 30: Arc groove

[0068] 31: Limiting slot

[0069] 32: Boss 33: Support seat

[0070] 33a: Support seat hole 34: Lug

[0071] 34a: hinge shaft hole 35: opening

[0072] 36: Bottom plate 37: Screw plug

[0073] A: Pitch rotation assembly B: Horizontal rotation assembly

[0074] P: Pressure applied by the user.

[0075] Unless otherwise specified, throughout the drawings, the same reference numerals or symbols refer to the same elements.

[0076] It should be understood that the drawings are not necessarily drawn to scale, but rather present simplified representations of various features to illustrate the basic principles of the present invention. The specific design features disclosed in the present invention (including, for example, specific dimensions, directions, locations, and shapes) will be determined in part by the specific intended application and use environment.

[0077] In the figures, like reference numbers refer to the same or equivalent parts of the present invention throughout the several figures of the drawing. DETAILED DESCRIPTION

[0078] The following will be referred to in detail various embodiments of the present invention, examples of which are presented in the accompanying drawings and described below. Although the present invention will be described in conjunction with exemplary embodiments, it should be understood that this specification is not intended to limit the present invention to these exemplary embodiments. On the contrary, the present invention is intended to cover not only these exemplary embodiments, but also various alternative forms, modifications, equivalent forms and other embodiments that can be included in the spirit of the present invention and within the scope defined by the appended claims.

[0079] Combine the following Figure 1-11F A rotating device for a vehicle-mounted display screen according to an embodiment of the present invention is described in detail.

[0080] The rotating device for a vehicle-mounted display screen according to an embodiment of the present invention is an adjusting device for manually adjusting the angle of the vehicle-mounted display screen, which includes a pitch rotation component A, a horizontal rotation component B and other accessories, wherein the display screen is fixed on the pitch rotation component A, and the pitch rotation component A is installed on the horizontal rotation component B. The display screen can be pitched and rotated through the pitch rotation component A and can be horizontally rotated through the horizontal rotation component B.

[0081] First, see Figure 2-6 and Fig.10 The specific structure of the pitch rotation assembly A is described.

[0082] See attached Figure 4 The pitch rotation assembly A includes a limit shaft 9, a support frame, a button 5, a limit gear block 6, a spring 7 and a hinge shaft 14.

[0083] The limiting shaft 9 is a rod-shaped component, which is installed in the up-down direction. The lower end of the limiting shaft 9 is fixedly installed on the horizontal rotating assembly B.

[0084] In this embodiment, the support frame 4, 8 is a U-shaped structure with an opening facing outward. The display screen is installed at one end of the opening of the support frame ( Figure 4 The left end of the middle support frame) is provided, and the display screen can be adjusted in pitch as the support frame rotates. The support frame is composed of a gear plate 4 and a connecting plate 8 that are fixedly connected to each other, wherein the gear plate 4 is located at the top and the connecting plate 8 is located at the bottom. For example, the gear plate 4 and the connecting plate 8 are integrally formed. When the pitch rotation assembly A rotates, the support frame drives the display screen to pitch relative to the limit axis 9.

[0085] See also Figure 2 , Figure 4 and Figure 6 The middle part of the connecting plate 8 is hinged to the lug 34 of the steering seat 18 of the horizontal rotating assembly B through the hinge shaft 14 (see Figure 3 and Figure 8 ), so that the pitch rotation assembly A can pitch and rotate around the hinge axis 14. In this embodiment, a protrusion is arranged in the middle of the connecting plate 8, and a through hole is formed in the horizontal direction on the protrusion, and the hinge axis 14 passes through the through hole.

[0086] See also Figure 5 A limiting groove 31 is also formed on the gear plate 4 of the support frame, and the limiting groove 31 penetrates the gear plate 4 in the up-down direction and extends along the length direction of the gear plate 4. The limiting shaft 9 passes through the limiting groove 31. The length of the limiting groove 31 can be set according to the angle that the display screen needs to be adjusted. That is, when the button 5 is at the end of the limiting groove 31, the angle that the display screen needs to be adjusted is equivalent to the critical angle.

[0087] See again Figure 4 , the front and rear ends of the gear plate 4 of the support frame ( Figure 4 An arc-shaped rack is formed between the left end and the right end of the middle gear plate 4. The arc-shaped rack is formed with the hinge shaft 14 as the center and the distance from the arc-shaped rack to the hinge shaft 14 as the radius.

[0088] The arc-shaped rack is disposed on the lower side of the gear plate 4 of the support frame and on both sides of the limiting groove 31, and the teeth are formed downward. The length of the arc-shaped rack corresponds to the length of the limiting groove 31; for example, the length of the arc-shaped rack can be greater than the length of the limiting groove 31.

[0089] The limit gear block 6 is used to control the dynamic stroke and angle of the display screen. The limit gear block 6 is configured on the limit shaft 9 and is located below the support frame gear plate 4, and the tooth surface is formed upward to mesh with the arc-shaped rack of the support frame gear plate 4.

[0090] The spring 7 is arranged below the limiting tooth block 6 to apply an upward elastic force to the limiting tooth block 6 to control the movement of the limiting tooth block 6, thereby preventing the limiting tooth block 6 from being disengaged from the meshing position in the locked state.

[0091] A flange is arranged on the limit shaft 9 below the spring 7, and the lower end of the spring 7 abuts against the flange, and the upper end of the spring 7 abuts against the lower surface of the middle limit tooth block 6, thereby applying an upward elastic force to the limit tooth block 6 and pressing the limit tooth block 6 toward the arc-shaped rack, so that the limit tooth block 6 and the arc-shaped rack are meshed.

[0092] The button 5 is used to control the pitch rotation function (rotation / lock) of the pitch rotation assembly. The button 5 is arranged at the upper end of the limit shaft 9 and passes through the limit slot 31. A hole is formed in the center of the button 5 so that the button 5 can be sleeved on the limit shaft 9 and can move up and down relative to the limit shaft 9. The lower end of the button 5 abuts against the upper surface of the limit tooth block 6. The user moves along the limit tooth block 6. Figure 6 Pressing the button 5 in the P direction can overcome the elastic force of the spring 7 and move the limit tooth block 6 downward, so that the limit tooth block 6 is out of contact with the arc-shaped rack. In this state, the user adjusts the pitch angle of the display screen by rotating the support frame in the front and rear directions (i.e., in the adjustment state). When the user releases the button 5, the limit tooth block 6 moves upward under the elastic force of the spring 7 and meshes with the arc-shaped rack, so that the support frame is locked with the limit shaft 9, thereby fixing the display screen (i.e., in the locked state).

[0093] For example, a key cap is provided on the key 5, so that when the user presses the key 5, the pressure on the user's finger can be reduced, and the user's finger will not be painful due to excessive pressure.

[0094] See also Figure 3 and Fig.10The pitch rotation assembly A further comprises a limit baffle 3, which is used to guide the gear plate 4 to mesh with the limit tooth block 6 in the correct position. Two limit baffles 3 are provided, which are respectively installed on the left and right sides of the arc-shaped rack of the gear plate 4 of the support frame to cover the limit tooth block 6 and the arc-shaped rack. In addition to ensuring that the gear plate 4 and the limit tooth block 6 mesh in the correct position, the limit baffle 3 can also prevent foreign matter from entering the gear and affecting the meshing of the gear, and at the same time can ensure that the appearance of the pitch rotation assembly A is beautiful and neat. As an option, the limit baffle 3 can also be not provided, which will not have much impact on the use of the pitch rotation assembly A.

[0095] In this embodiment, the limit tooth block 6 is arranged below the arc-shaped rack and meshes with the arc-shaped rack by the elastic force of the spring 7. When adjusting the pitch angle, the angle of the display screen is adjusted by pressing the button 5. However, the pitch rotation assembly A may also adopt other structures, such as forming the arc-shaped rack on the upper surface of the gear plate 4, and making the limit tooth block 6 located above the gear plate 4, pressing the limit tooth block 6 downward by the spring to mesh with the arc-shaped rack of the gear plate 4, and releasing the limit on the support frame by lifting the button 5 upward to adjust the angle of the display screen. Alternatively, a rack is formed on one side of the limit groove 31 of the gear plate 4, and a gear meshing with the rack is formed on the periphery of the button 5, and the support frame is adjusted by rotating the button 5 when in use.

[0096] The pitch angle of the display screen can be adjusted by the pitch rotation assembly A, and the pitch angle can be adjusted within a range of +10° to -35°, preferably +2° to -20°. Moreover, the tooth spacing of the arc-shaped rack roughly corresponds to an arc of 1°-5°, preferably 2°; if the tooth spacing is set to an arc of 2°, the pitch angle can be adjusted in units of 2° at a minimum (i.e., adjusting the arc of one tooth). The pitch angle adjustment range and tooth spacing can also be changed according to actual needs.

[0097] The present invention realizes the rotation in the pitch direction by controlling the gear meshing of the pitch rotation assembly. When the limit gear block 6 is meshed with the gear plate 4, the pitch rotation assembly is locked so that the display screen is fixed in the pitch direction. When the display screen needs to be pitched, the user presses the button 5 to disengage the limit gear block 6 from the meshing with the gear plate 4, and then adjusts the angle of the display screen in the pitch direction.

[0098] In addition, the wire harness 1, the circuit board 11, and the wire harness clamping sleeve 12 can be fixed on the pitch rotation assembly A. The wire harness 1 is used for connecting the display screen and the control host. The wire harness clamping sleeve 12 is used to protect the wire harness from bending. The wire harness 1 and the circuit board 11 are always fixed on the pitch rotation assembly, so during the pitch rotation of the pitch rotation assembly, the position of the wire harness relative to the display screen remains unchanged, and when the horizontal rotation assembly rotates horizontally, the rotating device rotates horizontally as a whole, so the display screen can be continuously powered during rotation.

[0099] See below Figure 2 , Figure 3 , Figure 6-9 The specific structure of the horizontal rotation assembly B is described.

[0100] See also Figure 2 and Figure 3 The horizontal rotation assembly B includes a steering seat 18, an upper cover plate 10, a lower cover plate 21 and a ball assembly.

[0101] The upper cover plate 10 and the lower cover plate 21 are combined with each other to form a housing having an accommodation space therein, and the steering seat 18 is arranged in the accommodation space.

[0102] See also Figure 8 The steering seat 18 includes a bottom plate 36 at the bottom and a boss 32 above the bottom plate 36. The bottom plate 36 and the boss 32 are an integral structure.

[0103] The bottom plate 36 is a substantially fan-shaped plate, one end (outer end) of which is an arc surface, and the other end (inner end) is a semicircular shape.

[0104] A plurality of lower grooves 29 opening upward are formed on one side of the bottom plate 36, and a circular boss 32 is provided on the other side. A circular arc groove 30 is formed in the middle of the bottom plate 36. The plurality of lower grooves 29 and the circular arc groove 30 are both formed or arranged in a circular arc shape with the center of the boss 32 as the center of the circle. The plurality of lower grooves 29 are arranged at fixed intervals.

[0105] A ball assembly is installed in each lower groove 29, which is used to limit the position of the horizontal rotating assembly when the horizontal rotating assembly is in a locked state.

[0106] See also Fig. 9, the ball assembly includes a ball 19, a spring 20 and a screw plug 37. The screw plug 37 is inserted into the lower groove 29, on which the spring 20 is installed, and the ball 19 is arranged on the upper part of the spring 20. The ball 19 protrudes from the lower groove 29 under the action of the spring 20, and when subjected to external force, the ball 19 will move downward and press into the lower groove 29. Different compression amounts of the spring 20 can be obtained by screwing the screw plug 37 into depth, so that the horizontal rotation component B has different damping values ​​when it moves dynamically in the horizontal direction. In addition, adjusting the specifications of the spring 20 supporting the ball 19 and the screw plug 37 can adjust the external force required for rotation.

[0107] In this embodiment, the bottom plate 36 is formed with five lower grooves 29. However, those skilled in the art will appreciate that the number of the lower grooves 29 can be adjusted as needed, for example, 1 to 12 lower grooves 29 can be formed.

[0108] See again Figure 8 The boss 32 is circular and protrudes upward from the other end (inner end) of the bottom. A support seat 33 is arranged above the boss 32. A support seat hole 33a opening upward is formed in the middle of the support seat 33, and the limit shaft 9 is inserted and fixed in the support seat hole 33a. Two lugs 34 extend upward from both sides of the support seat 33, and the lugs 34 are formed with hinge shaft holes 34a in the horizontal direction. The hinge shaft 14 passes through the hinge shaft holes 34a to hinge the lower part of the support frame on the lugs 34, so that the support frame can rotate relative to the bottom plate 36.

[0109] See also Figure 3 and Figure 6 One end of the hinge shaft 14 forms a thread, a washer 15 and a lock nut 16 are installed on the thread, the washer 15 is used to prevent the vibration during vehicle operation from causing the loosening of the fastening bolt, and the lock nut 16 provides damping for the pitch rotation assembly during pitch rotation.

[0110] A torsion spring 17 is also provided between the lug 34 and the support frame. The torsion spring 17 is sleeved on the hinge shaft 14, and the two ends of the torsion spring 17 are supported on the lug 34 and the support frame respectively. During the rotation of the support frame, the torsion spring 17 can provide relatively high dynamic stability and play a damping effect, thereby ensuring that when the limit tooth block 6 is disengaged from the arc-shaped rack, the display screen will not suddenly rotate downward due to its own gravity. In other words, the torsion spring 17 provides a certain damping for the downward movement of the display screen, preventing the display screen from suddenly falling downward due to its own gravity after the pitch rotation lock is released.

[0111] The upper cover plate 10 is installed above the steering seat 18. Figure 7 A circular opening 35 is formed at one end of the upper cover plate 10, and a circular boss 32 is sleeved on the opening 35. The size of the circular opening 35 corresponds to the size of the circular boss 32, so that the boss 32 can rotate in the opening 35.

[0112] The lower side of the upper cover plate 10 is provided with a lever 26, which protrudes downward from the lower side of the upper cover plate 10 and is inserted into the arc groove 30 of the steering seat 18, thereby limiting the rotation angle of the steering seat 18 relative to the upper cover plate 10. In the present embodiment, the lever 26 is cylindrical, but it can also be other shapes without affecting its use. In the present embodiment, the lever is arranged on the upper cover plate, and the arc groove is formed on the steering seat; however, it can also be exchanged, that is, the lever is arranged on the steering seat, and the arc groove is formed on the upper cover plate.

[0113] The lower side of the upper cover plate 10 is formed with a plurality of upper grooves 27 opening downward. The number of the upper grooves 27 is greater than the number of the lower grooves 29, for example, the number of the upper grooves 27 is 2-5 times the number of the lower grooves 29; in this embodiment, the number of the upper grooves 27 is 41. The upper grooves 27 are arranged around the opening 35 at a fixed interval, wherein the interval between two adjacent lower grooves 29 is an integral multiple of the interval between two adjacent upper grooves 27, thereby ensuring that the ball 19 can be embedded in the upper grooves 27 and the lower grooves 29 at the same time. The interval between adjacent upper grooves 27 determines the minimum rotation angle for each rotation.

[0114] The curvature of the upper groove 27 is longer than that of the lower groove 29 , and the difference between the two is the rotation angle of the steering seat 18 relative to the upper cover plate 10 .

[0115] The horizontal rotating assembly B realizes left-right rotation through the ball assembly. In the locked state, the ball 19 is embedded in the upper groove 27 and the lower groove 29. The ball 19 is inserted into the upper groove 27 of the upper cover plate 10 and the lower groove 29 of the steering seat 18, thereby realizing the horizontal locking of the horizontal rotating assembly B. By applying external force, the ball 19 can be disengaged from the upper groove 27, so that the horizontal rotating assembly B rotates around the rotation center.

[0116] Although in this embodiment, the ball assembly is installed in the lower groove 29, the ball assembly can also be installed in the upper groove. In this case, the structures of the lower groove and the upper groove need to be interchanged, that is, 5 (or other number) upper grooves are formed on the upper cover plate, the ball assembly is installed in the upper grooves, and 41 (or other number) lower grooves are set on the steering seat.

[0117] The display screen can be rotated in the left and right directions by the horizontal rotation component B, and the angle range of the left and right rotation can be: between -27° and 27°. Moreover, the spacing between the upper grooves 27 corresponds to 1°-5°, preferably 3° of arc. If the spacing is 3° of arc, the horizontal rotation component B can adjust the horizontal rotation angle by 3° at minimum (i.e., rotate the arc of one upper groove 27 to the left or right). The above-mentioned left and right rotation angle range and the spacing between the grooves can also be changed according to actual needs.

[0118] The horizontal rotation assembly B is also provided with a baffle 23 and a resin washer 22. The baffle 23 is used to prevent the steering seat 18 and the lower cover plate 21 from tilting each other when they are matched. In addition, since the machined surface cannot be perfect, the matching clearance between the baffle 23 and the lower end cover 21 changes when they are subjected to pressure and naturally expand and contract, and the resin washer 22 is used to fill the irregularity of the matching.

[0119] See also Figure 1 and Figure 3 The rotating device for a vehicle-mounted display screen according to an embodiment of the present invention further includes an outer shell 25 and a bracket 24. The outer shell 25 is installed outside the pitch rotation assembly A and the horizontal rotation assembly B; the bracket 24 is installed on the outer shell 25 to connect and fix the outer shell 25 to the vehicle instrument panel. Further, the rotating device for a vehicle-mounted display screen according to an embodiment of the present invention further includes a horizontal steering decorative cover and a pitch rotation decorative cover 13 to shield the internal structure.

[0120] The operation of the rotating device for the vehicle-mounted display screen according to the embodiment of the present invention is described below.

[0121] (I) Operation of the pitch assembly, see Figure 11A-11C To explain:

[0122] 1. When the pitch rotation assembly is in a locked state, the spring 7 remains in a compressed state, and the elastic force generated by the spring causes the limit tooth block 6 and the arc-shaped rack 4 to mesh, thereby locking the pitch rotation assembly.

[0123] 2. Press the button 5, the spring 7 is further compressed, the limit tooth block 6 moves vertically downward along the limit axis 9, and the limit tooth block 6 is disengaged from the arc rack 4. At this time, the user applies external force to the display screen, and the arc rack 4 fixedly connected to the display screen and the connecting plate 8 fixedly connected to the arc rack 4 pitch and rotate around the hinge axis 14. At the same time, the torsion spring 17 ensures that when the limit tooth block 6 is disengaged from the arc rack 4, the display screen will not suddenly rotate downward due to its own gravity. The limit groove 31 on the arc rack 4 and the limit axis 9 together realize the limit of the pitch rotation angle of the pitch rotation assembly.

[0124] 3. After releasing the button 5, the elastic force of the spring 7 forces the limit tooth block 6 to move vertically upward along the limit axis 9 and then mesh with the arc-shaped rack 4, thereby locking the pitch rotation of the pitch rotation assembly.

[0125] (II) Operation of the horizontal rotation assembly, see Figure 11D-11E To explain:

[0126] 1. The upper cover plate 10 is evenly distributed with upper grooves 27, and the distances between these upper grooves 27 and the limit axis 9 are all equal; five cylindrical lower grooves 29 are evenly distributed on the steering seat 18, and the upper grooves 27 on the upper cover plate 10 press the ball 19 and the screw plug 37 into the cylindrical lower groove 29 in the steering seat 18, and the lower end of the screw plug 37 contacts the baffle 23.

[0127] 2. When the horizontal rotating assembly is in a stationary state, the spring 20 is always compressed, forcing the ball 19 to be embedded in the upper groove 27 on the upper cover plate 10, so the display screen is subjected to a certain damping force to limit the rotation around the limit axis 9; when the rotation force applied to the display screen is greater than the above damping force, it will force the upper cover plate 10 to rotate relative to the steering seat 18. At this time, the upper groove 27 on the upper cover plate 10 will gradually press the ball 19 into the next cylindrical lower groove 29 in the steering seat 18, so the display screen rotates horizontally. The cylindrical lever 26 on the upper cover plate 10 and the arc groove 30 on the steering seat 18 together realize the limit of the rotation angle of the horizontal rotating assembly.

[0128] 3. The elastic force of the spring 20 acting on the ball 19 can be adjusted by replacing the spring 20 with different specifications or adjusting the screwing depth of the screw plug 37, thereby adjusting the damping force of the horizontal rotation of the display screen.

[0129] 4. The rotating device for the vehicle-mounted display screen according to the embodiment of the present invention can also operate both the pitch rotation component A and the horizontal rotation component B, so that the display screen can be adjusted in both the pitch direction and the horizontal direction at the same time. (See Appendix Fig.11F )

[0130] The embodiments of the present invention are designed for the case where the display screen can rotate around the horizontal axis and the vertical axis at the same time, and corresponding rotation and locking components are designed for both sets of rotation directions. However, the present invention is not limited to the above embodiments, but may also include the following cases:

[0131] 1. A display screen rotation device using only the pitch rotation assembly according to the embodiment of the present invention.

[0132] 2. A display screen rotating device using only the horizontal rotating mechanism according to the embodiment of the present invention.

[0133] 3. A display screen rotating device that changes the rotation angle of the tilt rotation assembly or the rotation angle of the horizontal rotation mechanism according to an embodiment of the present invention.

[0134] The present invention realizes multi-dimensional rotation of the display screen in pitch and left and right directions through manual operation, thereby meeting the viewing needs of customers of different heights and sitting postures, and meeting the mass production standards of actual vehicles. The present invention effectively improves the reflection problem of the display screen under different lighting conditions by adjusting the angle of the display screen. Moreover, the present invention can provide comfortable operation and visual experience for drivers and co-drivers of different heights and sitting postures by adjusting the angle of the display screen.

[0135] Of course, those skilled in the art should understand that the appearance, material and quantity of the structure of the present invention may be changed without changing the inventive concept of the present invention.

[0136] Furthermore, the embodiment of the present invention may also be provided with a lifting device for raising the height of the display screen to meet the requirements of people of different heights. The lifting device may be provided at the lower part of the horizontal rotating assembly B, for example.

[0137] Although the display screen rotating device according to the embodiment of the present invention is a display screen for a vehicle, it can also be set on other transportation tools besides vehicles, such as ships, airplanes and other transportation tools.

[0138] The foregoing description of the specific exemplary embodiments of the present invention is presented for the purpose of illustration and description. The foregoing description is not intended to be exhaustive, nor is it intended to limit the present invention to the precise form disclosed, and it is apparent that many changes and variations are possible in accordance with the above teachings. The exemplary embodiments are selected and described to explain the specific principles of the present invention and its practical application, so that other technical personnel in the art can realize and utilize the various exemplary embodiments of the present invention and its different selected forms and modified forms. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotating device for a vehicle-mounted display screen, comprising a pitch rotation assembly and a horizontal rotation assembly, wherein the display screen is fixed to the pitch rotation assembly, the pitch rotation assembly is installed above the horizontal rotation assembly, and the display screen is pitched and rotated by the pitch rotation assembly and is horizontally rotated by the horizontal rotation assembly.

2. The rotating device for a vehicle-mounted display screen according to claim 1, wherein the pitch rotating assembly comprises a limit axis and a support frame; The limiting shaft is installed on the horizontal rotating assembly and extends in the vertical direction; The support frame is rotatably mounted on the horizontal rotating assembly, and the display screen is fixedly mounted on the support frame.

3. The rotating device for a vehicle-mounted display screen according to claim 2, wherein the support frame comprises a limiting groove, and the limiting shaft passes through the limiting groove.

4. The rotating device for a vehicle-mounted display screen according to claim 3, wherein the pitch rotating assembly further comprises a limit gear block, a button and a spring; The support frame is formed with an arc-shaped rack; The limiting tooth block is installed on the limiting shaft and has teeth that can mesh with the arc-shaped rack; The spring is mounted on the limiting shaft and applies an elastic force that causes the teeth of the limiting tooth block to mesh with the arc-shaped rack; The button is movably arranged on the limiting shaft and passes through the limiting slot. The button can make the limiting tooth block overcome the elastic force of the spring and disengage from the arc-shaped rack through the applied force.

5. The rotating device for a vehicle-mounted display screen according to claim 4, wherein the arc-shaped rack is located on the lower side of the support frame, the limiting tooth block is located below the arc-shaped rack, and the spring is located below the limiting tooth block; The limiting tooth block is meshed with the arc-shaped rack by the elastic force of the spring, and is disengaged from the arc-shaped rack by overcoming the elastic force of the spring when the user applies downward pressure on the key.

6. The rotating device for a vehicle-mounted display screen according to claim 5, wherein the support frame is hinged to the horizontal rotating assembly through a hinge axis; The arc-shaped rack of the support frame is formed with the hinge axis as the center and the distance from the arc-shaped rack to the hinge axis as the radius.

7. According to claim 6, the rotating device for a vehicle-mounted display screen, wherein the support frame is a U-shaped structure opening outward, the display screen is installed at one end of the opening of the support frame, and the support frame is composed of a gear plate and a connecting plate fixedly connected together, wherein the gear plate is located at the top and the connecting plate is located at the bottom.

8. The rotating device for a vehicle-mounted display screen according to claim 7, wherein the arc-shaped rack is arranged on the lower side of the gear plate, and the middle part of the connecting plate is hinged to the horizontal rotating assembly through a hinge shaft.

9. The rotating device for a vehicle-mounted display screen according to claim 6, wherein the pitch rotating assembly adjusts the pitch angle of the display screen, the adjustment range of the pitch angle is between +2° and -20°, and the tooth spacing of the arc-shaped rack is 2° of arc.

10. The rotating device for a vehicle-mounted display screen according to claim 4, wherein the pitch rotating assembly further comprises a limit baffle, The limiting baffles are arranged to be respectively installed on both sides of the arc-shaped rack of the support frame to cover the limiting tooth block and the arc-shaped rack.

11. The rotating device for a vehicle-mounted display screen according to claim 4, wherein a button cap is provided on the button.

12. The rotating device for a vehicle-mounted display screen according to claim 2, wherein the horizontal rotating assembly comprises a steering seat, an upper cover plate and a lower cover plate; The upper cover plate and the lower cover plate are combined with each other to form a shell, and the shell has an accommodating space. The steering seat is arranged in the accommodating space and can rotate relative to the shell; the support frame is rotatably mounted on the steering seat.

13. The rotating device for a vehicle-mounted display screen according to claim 12, wherein the steering seat comprises a bottom plate located at the bottom and a boss located above the bottom plate, and the bottom plate and the boss are an integrated structure. 14 . The rotating device for a vehicle-mounted display screen according to claim 13 , wherein the upper cover plate is formed with a circular opening hole, and the boss is circular and installed in the circular opening hole.

15. The rotating device for a vehicle-mounted display screen according to claim 14, wherein a support seat is arranged above the boss, the support seat is formed with a support seat hole opening upward, and the limiting shaft is inserted into and fixed in the support seat hole.

16. A rotating device for a vehicle-mounted display screen according to claim 15, wherein two lugs protrude upward on both sides of the support base, and hinge shaft holes are horizontally formed on the lugs, and the hinge shaft passes through the hinge shaft holes to hinge the lower part of the support frame to the lugs.

17. The rotating device for a vehicle-mounted display screen according to claim 12, wherein the horizontal rotating assembly further comprises a ball assembly; One of the steering seat and the upper cover plate is provided with a first groove; The other of the steering seat and the upper cover plate is provided with a second groove; The ball assembly is installed in the first groove.

18. The rotating device for a vehicle-mounted display screen according to claim 17, wherein the first grooves are multiple and are formed in an arc shape around the rotation center at a first predetermined interval; The number of the second grooves is greater than the number of the first grooves, and the second grooves are arranged at second predetermined intervals with the same arc as the first grooves.

19. The rotating device for a vehicle-mounted display screen according to claim 18, wherein the first predetermined interval is an integer multiple of the second predetermined interval.

20. The rotating device for a vehicle-mounted display screen according to claim 17, wherein the ball assembly comprises a ball, a spring and a screw plug; the screw plug is inserted into the first groove, a spring is installed on the upper part of the screw plug, and a ball is installed on the upper part of the spring.

21. The rotating device for a vehicle-mounted display screen according to claim 12, wherein one of the upper cover plate and the steering seat is formed with a shift lever, and the other of the upper cover plate and the steering seat is formed with an arc groove.

22. The rotating device for a vehicle-mounted display screen according to claim 12, wherein the horizontal rotating assembly adjusts the horizontal rotation of the display screen, and the adjustment range of the horizontal rotation angle is between -27° and +27°.

23. The rotating device for a vehicle-mounted display screen according to claim 17, wherein the tooth pitch of the first groove is an arc of 2°.

24. According to claim 1, the rotating device for a vehicle-mounted display screen further comprises an outer shell and a bracket, the outer shell is mounted on the outside of the pitch rotation assembly and the horizontal rotation assembly; the bracket is mounted on the outer shell to connect and fix the outer shell to the vehicle dashboard.

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