WO2024032142A1

WO2024032142A1 - Rotation mechanism of vehicle-mounted display apparatus

Info

Publication number: WO2024032142A1
Application number: PCT/CN2023/100087
Authority: WO
Inventors: 张寅�; 戴张薇; 张俊玮
Original assignee: 延锋国际汽车技术有限公司
Priority date: 2022-08-10
Filing date: 2023-06-14
Publication date: 2024-02-15
Also published as: CN117622010A

Abstract

A rotation mechanism of a vehicle-mounted display apparatus, comprising: a support body (100), the support body serving as a carrier of a rotating mechanism (200) and being connected to an external mechanism. The rotating mechanism is snapped on one end of the support body and can rotate around the axis thereof, so as to drive a vehicle-mounted tablet computer (1) fixed on the rotating mechanism to rotate from a first fixed position (2) to a second fixed position (3). A synchronous mechanism is connected to driving/driven gears to achieve the operations of fixing and rotating a tablet computer. In addition, the mechanism can be completely accommodated in an independent seat, a console or a landing handrail.

Description

Vehicle-mounted display device rotating mechanism

Technical field

The present invention relates to the field of vehicle technology, and in particular to a rotation mechanism of a vehicle-mounted display device.

Background technique

The use of in-vehicle intelligent interactive devices is becoming more and more diverse. In order to better meet the needs of users, more and more passenger cars are equipped with in-vehicle displays or in-vehicle tablets with rotating functions. The mechanism enables switching between horizontal and vertical screens of the display/tablet.

For example, "Display Device and Vehicle" published by China Utility Model Announcement No. CN215752217U. It includes a display screen, a connecting part is provided on the display screen, and the central axis of the connecting part is located at a position deviated from the geometric center of the display screen; a driving component, the driving component includes a power part and a transmission worm gear drivingly connected to the power part, and the transmission worm gear is driven by the connection part Connection; the power part generates power to drive the transmission worm gear to drive the connection part to rotate, so that the display screen rotates and/or lifts around the central axis of the connection part. The transmission worm gear transmission connection of the connecting part in the application realizes the rotation and lifting of different axes by driving the display screen with a single power source. However, the reduction gearbox and turbine take up a lot of layout space and are not suitable for application on thin and light displays or small tablets.

Contents of the invention

In order to achieve the above objects, the technical solutions adopted by the present invention are:

Rotating mechanism of vehicle display device, including:

A bracket body, which serves as the carrier of the rotating mechanism and is connected to the external mechanism;

The rotating mechanism is clamped to one end of the bracket body and can rotate around its axis, driving the vehicle-mounted tablet computer fixed on the rotating mechanism to rotate from a fixed first position to a fixed second position.

In a preferred embodiment of the invention,

A hole is provided on the bracket body;

The rotating mechanism includes a driven plate and a driven plate cover that are clamped and fixed to each other from both sides of the hole. The driven plate and the driven plate cover can rotate after being fixed.

In a preferred embodiment of the present invention, a ring gear is provided on the circumference of the driven plate, and a ring gear is provided on the bracket body. There is a rotatable damping wheel;

The ring gear meshes with the damping wheel.

In a preferred embodiment of the present invention, it also includes:

An electric drive mechanism provided at the other end of the bracket body;

The electric driving mechanism is connected to the rotating mechanism through a synchronizing mechanism, and the output power of the electric driving mechanism is transmitted by the synchronizing mechanism and then drives the rotating mechanism to rotate.

In a preferred embodiment of the present invention, the electric drive mechanism includes:

Electric machines used to convert electrical energy into kinetic energy;

A shaft that connects the motor and the drive plate and implements transmission;

The driving disk is connected with the synchronization mechanism to drive the rotation mechanism to rotate.

In a preferred embodiment of the present invention, the synchronization mechanism is any one of a timing belt, a cable, and a driving link.

In a preferred embodiment of the present invention, it also includes: at least one adjustment wheel fixed on the bracket body, the adjustment wheel is an eccentric wheel, and the tension adjustment is performed by squeezing the timing belt or cable through eccentric motion. .

In a preferred embodiment of the invention,

The pulling cable is provided with a transmission part, and both ends of the pulling cable are respectively fixed on the driving disk;

A limiting portion is provided in the circumferential direction of the driven plate, and the transmission portion is restricted by the limiting portion and cannot move;

The driving disk pulls one end of the pulling cable, and pulls the driven disk to rotate through the pulling cable, the transmission part and the limiting part.

In a preferred embodiment of the present invention, it also includes:

a driving bracket fixed on the bracket body;

The driving disk and the motor are fixed on the bracket body through the driving bracket.

In a preferred embodiment of the invention,

A baffle is provided on the shaft, and the baffle rotates following the shaft;

A blocking point is provided on one side of the driving bracket. The blocking point controls the rotation range of the blocking piece, thereby limiting the rotation of the driven disk between the fixed first position and the fixed second position. .

In a preferred embodiment of the invention,

The driven disk and the driving disk are driven by a synchronous belt;

The motor is a Hall motor.

In a preferred embodiment of the present invention, a plurality of installation grooves are provided on the rear side of the driven disk cover, and magnets are provided in the installation grooves. The vehicle-mounted tablet computer is magnetically attracted to the front side of the driven disk cover. .

In a preferred embodiment of the present invention, the positions of the plurality of mounting grooves on the plane form a non-circular arc shape.

In a preferred embodiment of the present invention, a charging module for charging the vehicle-mounted tablet computer is further provided in the driven disk.

In a preferred embodiment of the present invention, a back cover is further included, and the back cover is fixed on the bracket body from one side to provide cover for the internal parts of the rotating mechanism.

In a preferred embodiment of the present invention, the first position is the 12 o'clock position on the plane, and the second position is the 9 o'clock position vertically.

The beneficial effects of the present invention are:

The rotation mechanism of the vehicle-mounted display device provided by the present invention connects the master/driven wheel through a synchronization mechanism to realize the fixing and rotation of the tablet computer, and allows the mechanism to be completely stored in an independent seat, console or floor armrest.

Description of drawings

In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to describe the embodiments or the prior art will be briefly introduced below.

Figure 1 is a perspective view of the present invention.

Figure 2 is another side view of Figure 1 of the present invention.

Figure 3 is a usage state diagram of the present invention.

Figure 4 is an exploded view of the present invention.

Figure 5 is an exploded view of the driving mechanism part of the present invention.

Figure 6 is a schematic diagram 1 of the fixation of the vehicle-mounted tablet computer of the present invention.

Figure 7 is a second schematic diagram of the fixation of the vehicle-mounted tablet computer of the present invention.

Figure 8 is a cross-sectional view of Figure 5 after assembly of the present invention.

Figure 9 is a connection diagram of the driven plate and the cable of the present invention.

Figure 10 is a diagram of the connection relationship between the driving disk and the cable of the present invention.

Figure 11 is a schematic diagram of the positions of the driven disk, the blocking piece and the blocking point when the tablet computer of the present invention is located in the first position.

Fig. 12 is a partial enlarged view of Fig. 11 of the present invention.

FIG. 13 is a schematic diagram of the position of the tablet computer of FIG. 11 according to the present invention.

Figure 14 is a schematic diagram of the positions of the driven disk, the blocking piece and the blocking point when the tablet computer of the present invention is located in the first position.

Fig. 15 is a partial enlarged view of Fig. 14 of the present invention.

FIG. 16 is a schematic diagram of the position of the tablet computer of FIG. 14 according to the present invention.

Figure 17 is a schematic structural diagram of the second embodiment of the present invention.

Figure 18 is a schematic structural diagram of the third embodiment of the present invention.

Figure 19 is an exploded view of the fourth embodiment of the present invention.

Fig. 20 is a schematic diagram of the motion relationship between the ring gear and the damping member of Fig. 19 of the present invention.

Detailed ways

In the description of the present invention, it should be noted that the terms “upper”, “lower”, “left”, “right”, “inner”, “outer”, etc. indicate an orientation or positional relationship based on those shown in the drawings. Orientation or positional relationship, "longitudinal (X direction)", "lateral direction (Y direction)" and "vertical direction (Z direction)" are the terms of the spatial coordinate system in the automotive field. They are professional terms well known to those in the technical field. The above description is for convenience. Description of the present invention is a simplified description and is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

When used in the specification, the singular forms "a", "the" and "the" include the plural forms unless expressly stated otherwise. The specification uses the terms "includes," "includes," and "containing" to indicate the presence of claimed features but does not exclude the presence of one or more other features. As used in this specification, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the specification, when an element is referred to as being "on," "secured," "connected to" another element, "coupled to" another element, etc., it can mean that the element is directly on the other element. , fixed to, connected to, coupled to, or contacting another element, or intervening elements may be present. In this specification, a feature being arranged "adjacent" to another feature may mean that one feature has a portion that overlaps the adjacent feature or that is located above or below the adjacent feature.

Exemplary embodiments of the present application will be described below with reference to the accompanying drawings. However, it should be understood that the application may be presented in many different ways and is not limited to the embodiments described below. It should also be understood that the embodiments disclosed herein can be combined in various ways to provide yet more additional embodiments. Throughout the drawings, the same reference numbers represent identical or functionally identical elements.

Referring to FIGS. 1 to 3 , the rotation mechanism of the vehicle-mounted display device mainly includes: a rotation mechanism 200 , a bracket body 100 and an electric drive mechanism 300 . The tablet computer 1 is also fixed on the front of the rotating mechanism 200 .

Referring to FIGS. 4 to 10 , the rotating mechanism 200 includes a driven plate cover 210 , a driven plate 220 , and a charging module 230 . There is a hole 111 in the upper wall plate 110 of the bracket. The driven plate cover 210 and the driven plate 220 are clamped toward each other through a "sandwich"-like structure from both sides of the hole 111 and then assembled and fixed. The assembled driven plate 220 and The driven disk cover 210 can rotate in the hole 111 synchronously. The charging module 230 is fixed on the back of the driven disk cover 210 and rotates with it to provide wireless charging for the tablet. A plurality of installation slots 211 are provided on the rear side of the driven disk cover 210, and magnets 212 are provided in the installation slots 211.

The tablet computer 1 is magnetically attracted to the front side of the driven disk cover 210 . In order to ensure that the tablet computer 1 is fixed according to the designed position, the planar distribution of the mounting groove 211 is arranged in a non-circular arc shape. The bracket body 100 is also provided with a back cover 130 . The back cover 130 is assembled to the bracket body 100 from the rear side to cover the internal parts of the rotating mechanism 200 .

The electric drive mechanism 300 includes a motor 310, a shaft 330, a drive bracket 350, and a driving disk 320. The motor 310 and the driving disk 320 are fixed on the lower wall plate 120 of the bracket through the driving bracket 350, and the driving disk 320 is driven to rotate through a shaft 330.

A synchronization mechanism connects the electric driving mechanism 300 and the rotating mechanism 200 together, transmits the torque output by the electric driving mechanism 300 to the rotating mechanism 200, and urges the driven disk 220 to rotate.

In the first embodiment of the present invention, the synchronization mechanism is a cable 231. Two circles of non-connected wire grooves 321 are respectively provided in the circumferential direction of the driving plate 320, and the two ends of the cables 231 are respectively rolled up and fixed therein. The cable 231 is provided with a transmission part 232 with a convex structure. The driven plate 220 is provided with a limiting part 222 in the circumferential direction, and the transmission part 232 is placed in the limiting part 222. The output of the electric drive mechanism 300 pulls the driven disk 220 to rotate through the driving disk 320 and the cable 231 .

The blocking piece 331 is sleeved on the shaft 330 and rotates therewith. The driving bracket 350 is provided with a blocking point 351. The blocking piece 331 will touch the blocking point 351 at the end of the clockwise/counterclockwise rotation stroke, thereby limiting the driving plate 320 and the The rotation angle of the driven disk 220. The bracket body 100 is also provided with an adjusting wheel 340 , and the adjusting wheel 340 is an eccentric wheel fixed by an eccentric shaft 342 .

Referring to FIGS. 11 to 16 , when the rotating mechanism of the present invention is in the initial state, the tablet computer 1 is located in the first position 2 on the rotating mechanism, and the blocking piece 331 is in contact with the right side of the blocking point 351 . When the drive shaft 330 of the motor 310 (combined with other figures) rotates, the baffle 331 rotates accordingly, and the driven plate 220 rotates counterclockwise under the pull of the transmission part 232 to drive the tablet computer 1 to rotate from the first position 2 to the second position. 3 on. When the blocking piece 331 contacts the left side of the blocking point 351, the motor 310 is blocked, and the rotation of the tablet computer 1 ends. In this embodiment, the first position 2 is the 12 o'clock position in a flat state, and the second position 3 is the 9 o'clock position. The adjusting wheel 340 tightens the cable 231 on one side through eccentric movement.

In an implementation not listed here, the first position 2 can be at 3 o'clock, 6 o'clock or 9 o'clock, and the second position 3 has a 90° rotation position relative to the first position 2 .

With reference to Figure 17, in the second embodiment of the present invention, the synchronization mechanism is a synchronous belt 233 connecting the driving disk 320 and the driven disk 220 (the arrow indicates the direction of rotation), the motor 310 is a Hall motor, and the tablet is controlled by the motor program rotation angle Spend.

With reference to Figure 18, in the third embodiment of the present invention, the synchronization mechanism is a driving link 234, which is transmitted between the electric drive mechanism 300 and the rotating mechanism 200 through a reduction gear and a connecting rod structure.

Referring to Figures 19 and 20, in the fourth embodiment of the present invention, the rotation mechanism 200 does not need to be driven by the electric drive mechanism 300, but is operated manually. A ring gear 211 is provided in the circumferential direction of the driven plate 220, and a damping member 250 is provided on the upper shaft of the bracket upper wall plate 110. The damping member 250 may be a damping gear. The damping member 250 meshes with the ring gear 211 to control the rotation speed of the driven plate 220 .

Claims

The rotating mechanism of the vehicle-mounted display device is characterized by including:

A bracket body, which serves as the carrier of the rotating mechanism and is connected to the external mechanism;

The rotating mechanism is clamped to one end of the bracket body and can rotate around its axis, driving the vehicle-mounted tablet computer fixed on the rotating mechanism to rotate from a fixed first position to a fixed second position.
The vehicle-mounted display device rotation mechanism according to claim 1, characterized in that:

A hole is provided on the bracket body;

The rotating mechanism includes a driven plate and a driven plate cover that are clamped and fixed to each other from both sides of the hole. The driven plate and the driven plate cover can rotate after being fixed.
The rotating mechanism of a vehicle-mounted display device according to claim 2, wherein a ring gear is provided in the circumferential direction of the driven plate, and a rotatable damping wheel is provided on the bracket body;

The ring gear meshes with the damping wheel.
The vehicle-mounted display device rotation mechanism according to claim 2, further comprising:

An electric drive mechanism provided at the other end of the bracket body;

The electric driving mechanism is connected to the rotating mechanism through a synchronizing mechanism, and the output power of the electric driving mechanism is transmitted by the synchronizing mechanism and then drives the rotating mechanism to rotate.
The rotation mechanism of the vehicle-mounted display device according to claim 4, wherein the electric drive mechanism includes:

Electric machines used to convert electrical energy into kinetic energy;

A shaft that connects the motor and the drive plate and implements transmission;

The driving disk is connected with the synchronization mechanism to drive the rotation mechanism to rotate.
The rotating mechanism of a vehicle-mounted display device according to claim 5, wherein the synchronizing mechanism is any one of a timing belt, a cable and a driving link.
The rotating mechanism of the vehicle-mounted display device according to claim 6, further comprising: at least one adjusting wheel fixed on the bracket body, the adjusting wheel being an eccentric wheel, squeezing the timing belt through eccentric motion Or adjust the tension of the cable.
The rotation mechanism of the vehicle-mounted display device according to claim 6, characterized in that:

The pulling cable is provided with a transmission part, and both ends of the pulling cable are respectively fixed on the driving disk;

A limiting portion is provided in the circumferential direction of the driven plate, and the transmission portion is restricted by the limiting portion and cannot move;

The driving disk pulls one end of the cable, and pulls the end of the cable through the cable, the transmission part and the limiting part. The driven disk rotates.
The vehicle-mounted display device rotation mechanism according to claim 5, further comprising:

a driving bracket fixed on the bracket body;

The driving disk and the motor are fixed on the bracket body through the driving bracket.
The vehicle-mounted display device rotation mechanism according to claim 9, characterized in that:

A baffle is provided on the shaft, and the baffle rotates following the shaft;

A blocking point is provided on one side of the driving bracket. The blocking point controls the rotation range of the blocking piece, thereby limiting the rotation of the driven disk between the fixed first position and the fixed second position. .
The rotation mechanism of the vehicle-mounted display device according to claim 6, characterized in that:

The driven disk and the driving disk are driven by a synchronous belt;

The motor is a Hall motor.
The rotating mechanism of a vehicle-mounted display device according to any one of claims 1 to 11, wherein a plurality of mounting slots are provided on the rear side of the driven plate cover, magnets are arranged in the mounting slots, and the vehicle-mounted flat panel The computer is magnetically attached to the front side of the driven disk cover.
The rotation mechanism of a vehicle-mounted display device according to claim 11, wherein the positions of the plurality of mounting grooves on the plane form a non-circular arc shape.
The rotation mechanism of a vehicle-mounted display device according to any one of claims 1 to 11, wherein a charging module for charging the vehicle-mounted tablet computer is further provided in the driven plate.
The rotating mechanism of the vehicle-mounted display device according to any one of claims 1 to 11, further comprising a back cover, which is fixed on the bracket body from one side and is an internal part of the rotating mechanism. Parts provided with cover.
The vehicle-mounted display device rotation mechanism according to any one of claims 1 to 11, wherein the first position is a 12 o'clock position on a plane, and the second position is a 9 o'clock position vertically.