Screen stretching and overturning mechanism

Abstract

The utility model relates to the technical field of vehicle intelligent cabins, and particularly discloses a screen telescopic turnover mechanism which comprises a rack, the rack is provided with a telescopic turnover mechanism, the telescopic turnover mechanism comprises a connecting block, the two sides of the connecting block are each provided with a second connecting frame, and the second connecting frames are connected with the rack. Rotatable first connecting frames are arranged on the two sets of second connecting frames, and rotating devices are arranged on the two sets of first connecting frames; a fixing frame is arranged on the rotating device, a display screen is clamped on the fixing frame, and the fixing frame can rotate relative to the telescopic turnover mechanism. The technical problems that the mechanism is complex, the mechanism operation is discontinuous, the occupied space of two sets of speed reducing mechanisms is large, and the cost is high are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle intelligent cabin technical field, specifically disclose a screen telescopic turnover mechanism. BACKGROUND

[0002] The automobile is the current people's life commonly used traffic tool, along with automobile electrification, intelligent, network connection, sharing is from "concept" to application landing, people's demand for the automobile, no longer limited to travel tools, but carries navigation, consumption, entertainment, interaction and other aspects of the demand related to travel, become another "intelligent center" in life.

[0003] In the field of automobile intelligent cabin, mechanism has become an indispensable board to realize intelligent, turnover mechanism, rotating mechanism, telescopic mechanism, telescopic rear turnover or telescopic rear rotating mechanism, etc, are widely used in seat, central control display screen, copilot screen, rear entertainment screen, vehicle refrigerator and other components, realize the intelligent exchange of people and car.

[0004] At present, the existing telescopic turnover driving mechanism mostly adopts the speed reduction mechanism to drive the screw rod nut transmission, takes the second set of rotating mechanism to realize the turnover of the screen after horizontal movement of a specific stroke. Because the mechanism is complex, there is mechanism operation discontinuous condition, and two sets of speed reduction mechanism occupy larger space, high cost. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a screen telescopic turnover mechanism to solve the technical problems of complex mechanism, mechanism operation discontinuous condition, and two sets of speed reduction mechanism occupying larger space and high cost.

[0006] To achieve the above object, the utility model provides the following technical scheme: a screen telescopic turnover mechanism, including frame, the frame is provided with telescopic turnover mechanism, the telescopic turnover mechanism includes connecting block, the connecting block both sides are provided with second connecting frame, two groups The second connecting frame is provided with rotatable first connecting frame, and two groups The first connecting frame is provided with rotating device; The rotating device is provided with fixed frame, and the fixed frame is clamped with display screen, and the fixed frame can rotate relative to the telescopic turnover mechanism. Through the telescopic turnover mechanism, the display screen can be moved, and the telescopic turnover mechanism only needs one driving source, which can make the mechanism continuous operation, and does not need to occupy larger space, thereby saving cost.

[0007] Further, the first connecting rod is arranged between the second connecting frame and the first connecting frame, the first connecting rod is rotatably connected with the second connecting frame, the first connecting rod is fixedly connected with the first connecting frame, and the first connecting rod is provided with a damping assembly; two groups of second fixed blocks are fixedly connected to the rack, sliding grooves are formed in the two groups of second fixed blocks, one section of the sliding grooves is arc-shaped, and the other section is linear, two groups of second connecting rods are arranged on the two groups of first connecting frames, bearings are fixedly connected to one ends of the two groups of second connecting rods, and the two groups of bearings are slidably clamped in the two groups of sliding grooves. Through cooperation of the first connecting frame and the second connecting frame, when the bearings move in the arc-shaped section of the sliding groove, the display screen can be flipped, and when the bearings move in the linear section of the sliding groove, the display screen can be extended and retracted.

[0008] Further, the damping assembly comprises a torsional spring, the torsional spring has elastic potential energy, the torsional spring is sleeved on the first connecting rod, and the torsional spring is fixedly connected with the first connecting rod and the second connecting frame at two ends; the first connecting rod is provided with a first fixed block, the first connecting frame is fixedly connected with a limiting block, and the limiting block is clamped on the first fixed block. The damping assembly can ensure stable transmission of the mechanism, the torsional spring can assist in flipping the screen through elastic deformation, and meanwhile, the torsional spring can clamp the display screen to prevent the display screen from shaking under various impacts.

[0009] Further, the rotating device is provided with a damage prevention mechanism, the damage prevention mechanism comprises a fixed rod, the fixed rod is fixedly connected to the rotating device, the fixed rod is provided with a second matching block, the second matching block is in the shape of a cylinder, and two planes are arranged on the arc surface of the second matching block; the two groups of first connecting rods are fixedly connected with first matching blocks, arc-shaped grooves are formed in the two groups of first matching blocks, the second matching block is located between the two groups of arc-shaped grooves, and the two planes of the second matching block are aligned with the two groups of arc-shaped grooves. The damage prevention mechanism is used for preventing the display screen from rotating when the display screen is in a vertical screen mode, so that one end of the display screen is in contact with the outside world and the display screen is damaged, and the display screen can be effectively protected.

[0010] Further, the rack is provided with a driving mechanism, the driving mechanism comprises a ball screw device, the ball screw device is fixedly connected to the rack, the ball screw device comprises a driving motor, a screw rod is arranged at an output end of the driving motor, and the screw rod is arranged on a connecting block; the rack is fixedly connected with a sliding rail, a sliding block is arranged on the sliding rail in a slidable mode, and the sliding block is fixedly connected with the connecting block. The driving mechanism is used for driving the screen extension and retraction mechanism to start, one power source is used for driving the screen extension and retraction mechanism to move, space can be reduced, and cost can be saved.

[0011] The working principle and beneficial effects of the scheme are as follows:

[0012] In use, the display screen is initially placed vertically, at which time the user can freely rotate the display screen, and can rotate the display screen from a landscape orientation to a portrait orientation, the display screen rotates the fixed frame, thereby rotating the fixed rod and the second matching block through the rotating device, the second matching block is clamped in the first matching block, at which time the display screen cannot be rotated, but can be extended and retracted, thereby preventing the display screen from being turned over when in a portrait orientation, and preventing the display screen from being bent by contact with the outside world, thereby preventing damage to the display screen.

[0013] When it is necessary to rotate the display screen, it is necessary to ensure that the display screen is in a landscape orientation, and then the ball screw device is started, the ball screw device moves the first connecting frame, the second connecting frame, the rotating device, the fixed frame and the display screen, the second connecting frame moves the corresponding second connecting rod and the bearing in the sliding groove, when the bearing moves in the horizontal section of the sliding groove, the display screen is horizontally extended, when the bearing moves in the arc section of the sliding groove, the bearing moves in the arc section of the sliding groove, thereby turning over the display screen, so that the display screen is in an inclined state.

[0014] The other advantages, objects and features of the present application will be apparent from the following detailed description of the application and will be learned from practice of the present application. The objects and other advantages of the present application can be achieved and obtained by means of the following description. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of an embodiment;

[0016] Figure 2 It is an exploded view of an embodiment;

[0017] Figure 3 It is a partial cross-sectional schematic view of an embodiment;

[0018] Figure 4 It is Figure 3 It is an enlarged schematic view of A in the middle;

[0019] Figure 5 It is a cross-sectional schematic view of an embodiment.

[0020] In the drawings, the following signs are marked: display screen 1, fixed frame 2, rotating device 3, first connecting frame 4, first through hole 5, first connecting rod 6, first fixed block 7, limiting groove 8, limiting block 9, torsional spring 10, second connecting frame 11, second through hole 12, connecting block 13, sliding block 14, sliding rail 15, rack 16, second fixed block 17, sliding groove 18, bearing 19, second connecting rod 20, third through hole 21, lead screw 22, driving motor 23, first matching block 24, arc-shaped groove 25, fixed rod 26, second matching block 27. DETAILED DESCRIPTION

[0021] The specific embodiments are further described in detail below:

[0022] Embodiments

[0023] As Figures 1 to 5 shown, a screen telescopic and turnover mechanism is disclosed, comprising a display screen 1, a fixed frame 2 is arranged on the display screen 1, the display screen 1 is clamped in the fixed frame 2, a rotating device 3 is arranged on the fixed frame 2, one end of the rotating device 3 is fixedly connected to the fixed frame 2, and the other end of the rotating device 3 is provided with the telescopic and turnover mechanism.

[0024] The telescopic and turnover mechanism comprises a connecting block 13, second connecting frames 11 are arranged on both sides of the connecting block 13, second through holes 12 are formed in the two groups of second connecting frames 11, first connecting rods 6 are clamped in the two groups of second through holes 12, the first connecting rods 6 are rotatably connected to the second through holes 12, damping assemblies are arranged on the two groups of first connecting rods 6, first connecting frames 4 are arranged on the two groups of first connecting rods 6, first through holes 5 are formed in the first connecting frames 4, first fixed blocks 7 are clamped in the first through holes 5, the two groups of first connecting frames 4 are fixedly connected to the rotating device 3, third through holes 21 are formed in the two groups of first connecting frames 4, second connecting rods 20 are clamped in the two groups of third through holes 21, bearings 19 are fixedly connected to the second connecting rods 20, the bearings 19 are clamped in second fixed blocks 17, sliding grooves 18 are formed in the second fixed blocks 17, the bearings 19 are clamped in the sliding grooves 18, one end of the sliding groove 18 is arc-shaped, and the other end of the sliding groove 18 is linear, the two groups of second fixed blocks 17 are fixedly connected to a rack 16, and the rack 16 is fixedly connected to a vehicle.

[0025] The damping assembly comprises a torsion spring 10, the torsion spring 10 has elastic potential energy, the torsion spring 10 is sleeved on the first connecting rod 6, one end of the torsion spring 10 is fixedly connected to the first connecting rod 6, the other end of the torsion spring 10 is fixedly connected to the second connecting frame 11, a first fixed block 7 is fixedly connected to the first connecting rod 6, the first fixed block 7 is clamped in the first through hole 5, a limiting groove 8 is formed in the first fixed block 7, a limiting block 9 is arranged in the first through hole 5, and the limiting block 9 is clamped in the limiting groove 8.

[0026] A driving mechanism is arranged on the rack 16, the driving mechanism comprises a ball screw 22 device, the ball screw 22 device comprises a driving motor 23, a screw 22 is arranged at an output end of the driving motor 23, the screw 22 and the driving motor 23 are fixedly connected to the rack 16, the screw 22 is clamped in the connecting block 13, a sliding rail 15 is fixedly connected to the rack 16, a sliding block 14 that can slide is arranged on the sliding rail 15, and the sliding block 14 is fixedly connected to the connecting block 13.

[0027] The rotating device 3 is provided with a damage prevention mechanism, the damage prevention mechanism comprises a fixed rod 26 fixedly connected to the rotating device 3, and the fixed rod 26 is fixedly connected with a second matching block 27, the second matching block 27 is in the shape of a cylinder, two planes are arranged on the curved surface of the cylinder, two groups of first connecting rods 6 are fixedly connected with first matching blocks 24, and arc-shaped grooves 25 are formed in the two groups of first matching blocks 24.

[0028] The rotating device 3, the ball screw 22 device, the sliding block 14 and the sliding rail 15 are all common technical means for those skilled in the art, and the structure, the connection mode and the use mode are all known to those skilled in the art.

[0029] In specific implementation

[0030] In use, the display screen 1 is initially vertically placed, at this time, the user can freely rotate the display screen 1, and the display screen 1 can be rotated from a horizontal screen to a vertical screen, when the display screen 1 is rotated, the fixed frame 2 is rotated, the fixed frame 2 drives the fixed rod 26 and the second matching block 27 to rotate through the rotating device 3, the second matching block 27 is separated from the two groups of first matching blocks 24, and is rotated to be clamped on the arc-shaped grooves 25 on both sides of the second matching block 27, at this time, the second matching block 27 is fixed with the first matching blocks 24, at this time, the display screen 1 cannot be rotated, but can be stretched and contracted, when the user needs to stretch and contract the display screen 1, the driving motor 23 is started, the driving motor 23 drives the screw rod 22 to rotate, the screw rod 22 drives the connecting block 13 to move horizontally through the threaded cooperation, the connecting block 13 drives the sliding block 14 to move on the sliding rail 15 when the connecting block 13 moves, so that the connecting block 13 moves more labor-savingly, and the sliding block 14 drives the telescopic turnover mechanism and the display screen 1 to move horizontally, and simultaneously drives the bearing 19 to move in the horizontal section of the sliding groove 18, when the bearing 19 moves to the junction of the horizontal section and the arc-shaped section of the sliding groove 18, since the second matching block 27 is clamped in the two groups of arc-shaped grooves 25 at this time, the second matching block 27 cannot move relative to the first matching blocks 24, so that the bearing 19 cannot move in the sliding groove 18 at this time, at this time, the telescopic turnover mechanism and the display screen 1 are kept stationary, thereby preventing the display screen 1 from being turned over when the display screen 1 is in the vertical screen state, and preventing the display screen 1 from being bent in contact with the outside world, so as to prevent the display screen 1 from being damaged.

[0031] When it is needed to rotate the display screen 1, it is needed to ensure that the display screen 1 is in the horizontal screen state, at this time, the second matching block 27 is located between the two groups of first matching blocks 24, the second matching block 27 is not clamped in the arc-shaped groove 25, at this time, the two horizontal surfaces on the second matching block 27 are respectively located in the same plane with one surface of the two groups of first matching blocks 24, at this time, the display screen 1 can be rotated, then the driving motor 23 is started, the driving motor 23 drives the connecting block 13 to move through the lead screw 22, the connecting block 13 drives the first connecting frame 4, the rotating device 3, the fixed frame 2 and the display screen 1 to move, the connecting block 13 simultaneously drives the second connecting frame 11 to move, the second connecting frame 11 drives the corresponding second connecting rod 20 and the bearing 19 to move, so that the bearing 19 moves in the sliding groove 18, when the bearing 19 moves in the horizontal section of the sliding groove 18, the display screen 1 horizontally extends, when the bearing 19 moves in the arc-shaped section of the sliding groove 18, the bearing 19 moves in the arc-shaped section of the sliding groove 18, thereby driving the display screen 1 to overturn, so that the display screen 1 is in the inclined state.

[0032] When the display screen 1 overturns, the first connecting rod 6 rotates on the second connecting frame 11, but the first connecting frame 4 is relatively stationary with the first connecting rod 6, the first connecting frame 4 rotates relative to the second connecting frame 11, the first connecting frame 4 drives the rotating device 3, the fixed frame 2 and the display screen 1 to rotate, at the same time, when the first connecting frame 4 is installed, the first connecting frame 4 is full of elastic potential energy, when the first connecting rod 6 rotates, the elastic potential energy in the first connecting frame 4 is released, thereby driving the first connecting rod 6 to overturn, assisting the display screen 1 to overturn.

[0033] The above is only the embodiment of the present application, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described in detail. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be regarded as the protection range of the present application, which will not affect the effect and practicability of the present application.

Claims

1. A screen extension and inversion mechanism, characterized by: Including frame, be provided with telescopic turnover mechanism on the frame, telescopic turnover mechanism includes connecting block, both sides of connecting block are provided with second connecting frame, two groups of second connecting frame are provided with rotatable first connecting frame, two groups of first connecting frame are provided with rotating device; The rotating device is provided with a fixing frame, and the display screen is clamped on the fixing frame. The fixing frame can rotate relative to the telescopic turnover mechanism.

2. The screen extension and folding mechanism according to claim 1, characterized in that: The first connecting rod is arranged between the second connecting frame and the first connecting frame, and the first connecting rod is rotatably connected with the second connecting frame and fixedly connected with the first connecting frame. The first connecting rod is provided with a damping assembly. The frame is fixedly connected with two groups of second fixed blocks, and the second fixed blocks are provided with sliding grooves. The sliding grooves are arc-shaped and linear. Two groups of second connecting rods are arranged on the first connecting rods, and the second connecting rods are fixedly connected with bearings at one end. The bearings are slidably clamped in the sliding grooves.

3. A screen extension and retraction mechanism according to claim 2, wherein: The damping assembly includes a torsion spring, which has elastic potential energy. The torsion spring is sleeved on the first connecting rod, and the first connecting rod and the second connecting frame are fixedly connected at both ends of the torsion spring. The first connecting rod is provided with a first fixed block, and the first connecting rod is fixedly connected with a limiting block. The limiting block is clamped on the first fixed block.

4. A screen extension and retraction mechanism according to claim 3, wherein: The rotating device is provided with a damage prevention mechanism, and the damage prevention mechanism includes a fixed rod fixedly connected with the rotating device. The fixed rod is provided with a second matching block, which is in the shape of a cylinder. Two planes are arranged on the arc surface of the second matching block; Two groups of first connecting rods are fixedly connected with first matching blocks, and arc-shaped grooves are arranged in the first matching blocks. The second matching block is located between the arc-shaped grooves, and the two planes of the second matching block are aligned with the arc-shaped grooves.

5. A screen extension and retraction mechanism according to claim 4, wherein: The frame is provided with a driving mechanism, and the driving mechanism includes a ball screw device fixedly connected with the frame. The ball screw device includes a driving motor, and the output end of the driving motor is provided with a screw rod. The screw rod is arranged in the connecting block. The frame is fixedly connected with a sliding rail, and the sliding rail is provided with a slidable sliding block. The sliding block is fixedly connected with the connecting block.

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