CN213534590U - Vehicle-mounted multimedia screen rotating mechanism - Google Patents
Vehicle-mounted multimedia screen rotating mechanism Download PDFInfo
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- CN213534590U CN213534590U CN202022358987.8U CN202022358987U CN213534590U CN 213534590 U CN213534590 U CN 213534590U CN 202022358987 U CN202022358987 U CN 202022358987U CN 213534590 U CN213534590 U CN 213534590U
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- pressing block
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Abstract
The utility model provides an on-vehicle multimedia screen rotary mechanism, including base and multimedia liquid crystal screen fixing base, be equipped with the fluted disc on the base, the fluted disc passes through drive assembly and is connected with multimedia liquid crystal screen fixing base, is equipped with the mounting hole on the base, drive assembly is equipped with the hole of laying including installing the bearing fixing base at the base back in the bearing fixing base, lays the downthehole bearing with the axle center with the fluted disc that is equipped with, and the bearing fixing base compresses tightly the upper and lower both sides of bearing inner race respectively with the base. Compared with the prior art, the rotary mechanism adopts the transmission assembly to connect the fluted disc and the multimedia liquid crystal screen fixing seat of the vehicle-mounted screen into a whole, the bearing fixing seat is connected with the base, the bearing is positioned in the bearing fixing seat to avoid axial clearance, and the bearing is positioned between the bearing pressing block and the fluted disc, the bearing and the bearing pressing block rotate synchronously, so that the friction force is small, and the abrasion is small; and a limiting part is arranged between the bearing fixing seat and the bearing pressing block, so that the rotation angle can be limited as required.
Description
Technical Field
The utility model relates to an auto-parts field, especially a multi-media curtain rotary mechanism of on-vehicle screen.
Background
As shown in fig. 1, the conventional vehicle-mounted multimedia screen rotating mechanism includes a circular fluted disc 3, a rotating fixed seat 2 and a multimedia liquid crystal screen fixed seat 1, wherein a central hole 3a of the circular fluted disc 3 is installed in a central shaft 2a of the rotating base 2, the circular fluted disc 3 rotates around the central shaft 2a under the action of an external driving gear, 3 fixed shafts 1a with screw holes are riveted on the multimedia liquid crystal screen fixed seat 1 and correspondingly penetrate through 3 arc-shaped grooves 2b with set angles of the rotating base 2 and then penetrate through 3 holes 3b corresponding to a circular rack to limit the rotating angle of the circular fluted disc 3; 3 springs are packed into 3 axle 1a of riveting on multimedia liquid crystal screen fixing base 1, then lock into on fixed axle 1a with 3 screws, the pressure that relies on the spring makes circular rack 3, rotating base 2, multimedia liquid crystal screen fixing base 1 can be in the same place in close fitting, like this under outside drive gear's effect, circular fluted disc 3 can drive multimedia liquid crystal screen fixing base 1 and rotate around center pin 2a when the effect of outside gear rotates, fixed axle 1a rotates in arc wall 2b and hole 3b, can restrict pivoted angle, it is 90 degrees to utilize arc wall 2b and hole 3b can restrict pivoted angle.
However, in the existing screen rotating mechanism, the circular rack 3, the rotating base 2 and the multimedia liquid crystal screen fixing seat 1 are adhered together by the elastic pressure of the spring, the size of the liquid crystal screen installed on the multimedia liquid crystal screen fixing seat 1 is larger, the size is from 10.1 inches to 15 inches, even larger liquid crystal screens, the larger the size of the liquid crystal screen is, the larger the load is, the larger the required elastic pressure is, otherwise, slight vibration can cause screen shaking and abnormal sound, and the like, so that the friction force is increased, and a motor driving an external gear to rotate can be not driven or rotate smoothly; moreover, the circular fluted disc 3, the rotating base 2 and the multimedia liquid crystal screen fixing seat 1 are limited to rotate 90 degrees through 3 arc-shaped grooves of the rotating base 2, the radiuses of the arc-shaped grooves must be staggered, so that the sufficient strength is provided to support the liquid crystal screen, otherwise, the deformation is easy, the large screen is not enough to be supported, the height size of the rotating base 2 is larger, the rotating base can only be used in a central control frame with the height of 100mm, the height of the existing central control frame is only 50mm, and the use range of the rotating mechanism is smaller. In addition, the existing mechanism is required to be provided with the decoration frame 4, and the decoration frame is different due to different vehicle types, if the decoration frame is required to be replaced, the whole mechanism is required to be disassembled, so that the decoration frame is not beneficial to production, sales and stock, product maintenance and replacement.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides an on-vehicle multimedia screen rotary mechanism, the center of rotation is more compact, and the well accuse dress escutcheon that can be applicable to 50mm and 100mm avoids the axial clearance, reduces the friction, improves load capacity, and the assembly is simple and convenient.
The utility model adopts the technical proposal that:
the utility model provides an on-vehicle multimedia screen rotary mechanism, includes the base and is used for installing the multimedia liquid crystal screen fixing base of on-vehicle screen, be equipped with on the base be used for with drive gear engagement's fluted disc, the fluted disc passes through drive assembly and is connected with multimedia liquid crystal screen fixing base, is equipped with the mounting hole on the base, its characterized in that: the transmission assembly comprises a bearing fixing seat arranged on the back surface of the base, a placing hole is formed in the bearing fixing seat, a bearing which is coaxial with the fluted disc is arranged in the placing hole, and the bearing fixing seat and the base are respectively pressed on the upper side and the lower side of the outer ring of the bearing; the fluted disc is provided with at least three pin shafts which penetrate through the central hole of the bearing and are used for driving the bearing to synchronously rotate with the fluted disc, the pin shafts form circles which are coaxial with the tooth part of the fluted disc, step parts are arranged on the pin shafts, the outer walls of the pin shafts are tightly attached to the inner wall of the central hole of the bearing, the tail ends of the pin shafts are connected with bearing pressing blocks which synchronously rotate with the fluted disc, and the step parts on the pin shafts and the bearing pressing blocks are respectively; the multimedia liquid crystal display fixing seat is installed on the bearing pressing block, and a limiting part used for limiting the rotation angle of the bearing pressing block is further arranged between the bearing pressing block and the bearing fixing seat.
Preferably, the limiting part comprises a limiting groove arranged on the outer wall of the bearing pressing block and a limiting block arranged on the inner wall of the placing hole of the bearing fixing seat, and the limiting block is matched with the limiting groove.
Preferably, the tail end of the pin shaft penetrates through the bearing pressing block to be matched with the screw to position the bearing pressing block.
More preferably, the pin shaft is a step positioning column, the upper end of the step positioning column is connected with the fluted disc, a step part of the step positioning column is pressed on the bearing, and the outer wall of the lower end of the step positioning column is attached to the inner wall of the central hole of the bearing.
Preferably, the base is further provided with a center control decoration frame in a matched manner, and a position avoiding hole for the bearing pressing block to penetrate is formed in the center control decoration frame.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a vehicle-mounted multimedia screen rotating mechanism, which adopts a transmission component to connect a fluted disc and a vehicle-mounted screen multimedia liquid crystal screen fixing seat into a whole, wherein a bearing fixing seat is connected with a base, a bearing is arranged in the bearing fixing seat to avoid axial clearance, and the bearing is arranged between a bearing pressing block and the fluted disc, the bearing and the bearing pressing block rotate synchronously, the friction force is small, and the abrasion is small; a limiting piece is arranged between the bearing fixing seat and the bearing pressing block, and the rotating angle can be limited according to requirements; therefore, the required range of axial fixation is reduced, the mechanism can be suitable for a 50mm central control frame, the application range of the whole mechanism is enlarged, only one avoidance hole is formed in the middle of the central control decorative frame, and the mechanism is simple in overall structure and convenient to disassemble and assemble.
Drawings
Fig. 1 is an exploded view of a vehicle-mounted multimedia screen rotating mechanism in the prior art;
fig. 2 is a schematic view of a rotating mechanism for a vehicle-mounted multimedia screen provided by the present invention;
fig. 3 is a cross-sectional view of a rotating mechanism for a vehicle-mounted multimedia screen provided by the present invention;
fig. 4 is an exploded view of the rotating mechanism of the vehicle-mounted multimedia screen provided by the present invention;
fig. 5 is a schematic view of a transmission assembly in a rotating mechanism of a vehicle-mounted multimedia screen according to the present invention;
fig. 6 is an exploded view of a transmission assembly in a rotating mechanism of a vehicle-mounted multimedia screen according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 2 to fig. 6 illustrate a preferred embodiment of the present invention, which provides a rotating mechanism for a vehicle-mounted multimedia screen. As shown in fig. 2 to 6, the vehicle-mounted multimedia screen rotating mechanism includes a base 10 and a multimedia liquid crystal screen fixing seat 20 for mounting the vehicle-mounted screen, a fluted disc 30 for meshing with a driving gear is disposed on the base, the fluted disc 30 is connected with the multimedia liquid crystal screen fixing seat 20 through a transmission assembly 40, a through hole 11 is disposed on the base 10, the transmission assembly 40 includes a bearing fixing seat 41 mounted on the back of the base 10, a mounting hole 411 is disposed in the bearing fixing seat 41, a bearing 42 coaxial with the fluted disc is disposed in the mounting hole 411, and the bearing fixing seat 41 and the base 10 respectively press the upper and lower sides of the outer ring of the bearing; the fluted disc 30 is provided with at least three pin shafts 44 which penetrate through the central hole of the bearing and are used for driving the bearing to synchronously rotate with the fluted disc, the pin shafts 44 form a circle which is coaxial with the tooth part of the fluted disc, step parts 442 are arranged on the pin shafts 44, the outer wall of each pin shaft 44 is tightly attached to the inner wall of the central hole of the bearing, the tail end of each pin shaft 44 is connected with a bearing pressing block 43 which synchronously rotates with the fluted disc, and the step parts on the pin shafts 44 and the bearing pressing blocks; the multimedia liquid crystal screen fixing seat 20 is arranged on a bearing pressing block 43, a limiting part 45 used for limiting the rotation angle of the bearing pressing block 43 is further arranged between the bearing pressing block 43 and the bearing fixing seat 41, when the multimedia liquid crystal screen fixing seat is used, a vehicle-mounted screen is arranged on the multimedia liquid crystal screen fixing seat 20, the fluted disc 30 rotates under the action of an external driving gear, the bearing pressing block 43 and the step of the pin shaft 44 are respectively pressed on the inner ring of the bearing 42, and the pin shaft 44 is connected with the fluted disc 30, so that the liquid crystal screen fixing seat 20, the bearing pressing block 43, the pin shaft 44 and the inner ring of the bearing 42 rotate synchronously with the fluted disc 30, the characteristics of small friction force, good load capacity and no axial gap are fully utilized, friction is reduced; the limiting piece 45 plays a role in limiting the rotation angle, the design can reduce the design of the rotation center, the size of the screen is increased, the screen can also rotate, the application range is enlarged, the whole structure is simple, and the disassembly and the assembly are convenient.
As shown in fig. 3 and 4, the gear plate 30 is disposed on the front surface of the base 10, the bearing fixing seat 41 is mounted on the back surface of the base 10, and the gear plate 30 is provided with a tooth portion engaged with the external driving gear. The external driving gear can be a gear or a rack and is driven by a motor.
As shown in fig. 4, the limiting member 45 includes a limiting groove 451 provided on an outer wall of the bearing pressing block and a limiting member 452 provided on an inner wall of the mounting hole of the bearing fixing seat, and the limiting member 452 is engaged with the limiting groove 451. The limiting groove 451 is an arc-shaped groove, the angle of the limiting groove 451 can be set according to needs, for example, the radian of the limiting groove 451 is set to 90 degrees, the rotatable angle of the limiting block 452 is 90 degrees, and the rotation angle of the bearing pressing block 43 and the fluted disc 30 is also 90 degrees.
When the pin shaft 44 passes through the bearing center hole 421, the step 442 of the pin shaft 44 presses on the inner ring of the bearing 42, and the tail end of the pin shaft passes through the bearing pressing block 43 to be matched with the screw to position the bearing pressing block 43, and is locked in the inner threaded hole of the pin shaft 44 by the screw.
As shown in fig. 5 and 6, the pins 44 in the drive assembly 40 are all distributed about the center of the toothed plate 30, with each pin 44 forming a circle about a circle that is formed coaxially with the toothed plate 30. In a preferred embodiment, the pin 44 is a step positioning column, an upper end 441 of the step positioning column passes through the fluted disc 30, a step 442 of the step positioning column presses on the bearing, an outer wall of a lower end 443 of the step positioning column is attached to an inner wall of a central hole of the bearing, so as to drive an inner ring of the bearing 42 to synchronously rotate with the fluted disc 30, and simultaneously limit a rotation center of the bearing 42 to be consistent with a rotation center of the fluted disc 30, and the step portions of the 3 pin 44 and the bearing pressing block 43 are both pressed tightly on the inner ring of the bearing 42 through screws, so as to limit synchronous rotation of the inner ring of the bearing 42 and the bearing pressing block 43 with the fluted disc 30 when the fluted disc 30 rotates under the action of the external driving gear assembly, and simultaneously drive the multimedia liquid crystal panel fixing base 20 and the multimedia liquid crystal panel assembly 100.
The base 10 is further provided with a center control decoration frame 50 in a matched mode, the center control decoration frame 50 is provided with a position avoiding hole, during installation, the bearing pressing block 43 and the bearing fixing seat 41 penetrate through the position avoiding hole of the center control decoration frame 50 and are directly locked to the base 10, and then the multimedia liquid crystal display fixing seat 20 is locked to the bearing pressing block 43. In the process of actual production, because the motorcycle type is different complicated changeable, needs convenient the change, and the manufacture factory is also many, so adopt the well accuse dress escutcheon 50 that has the design of keeping away a hole, only need pull down multimedia liquid crystal screen fixing base 20, just can be convenient change well accuse dress escutcheon 50, simple and convenient.
The specific working process of the vehicle-mounted multimedia screen rotating mechanism is as follows: if the initial state is the horizontal state, when the power is transmitted to the gear plate 30, the gear plate 30 generates the rotation motion in the set direction, and synchronously transmits the rotation motion to the bearing 42 and the bearing pressing block 43 through the pin shaft 44, and then synchronously transmits the rotation motion to the multimedia liquid crystal panel fixing base 20 fixed on the bearing pressing block 43 and the multimedia liquid crystal panel assembly 100 fixed on the multimedia liquid crystal panel fixing base 20, the motion loads all depend on the inner ring of the bearing 42 as the rotation center and are supported, when one end of the limiting groove 451 of the bearing pressing block 43 contacts with one side of the limiting block 452 on the bearing fixing base 41, the rotation motion is in place, for example, the rotation is vertical to 90 degrees, and the return motion is driven by the external power and returns to the initial state.
To sum up, the technical scheme of the utility model can be fully effectual the above-mentioned utility model purpose of realization, just the utility model discloses a structure and functional principle all obtain abundant verification in the embodiment, can reach anticipated efficiency and purpose, do not deviating from the utility model discloses a under the prerequisite of principle and essence, can make multiple change or modification to the embodiment of utility model. Therefore, the present invention includes all the alternative contents within the scope mentioned in the claims, and all the equivalent changes made within the claims of the present invention are included in the claims of the present application.
Claims (5)
1. The utility model provides an on-vehicle multimedia screen rotary mechanism, includes the base and is used for installing the multimedia liquid crystal screen fixing base of on-vehicle screen, be equipped with on the base be used for with drive gear engagement's fluted disc, the fluted disc passes through drive assembly and is connected with multimedia liquid crystal screen fixing base, is equipped with the mounting hole on the base, its characterized in that: the transmission assembly comprises a bearing fixing seat arranged on the back surface of the base, a placing hole is formed in the bearing fixing seat, a bearing which is coaxial with the fluted disc is arranged in the placing hole, and the bearing fixing seat and the base are respectively pressed on the upper side and the lower side of the outer ring of the bearing; the fluted disc is provided with at least three pin shafts which penetrate through the central hole of the bearing and are used for driving the bearing to synchronously rotate with the fluted disc, the pin shafts form circles which are coaxial with the tooth part of the fluted disc, step parts are arranged on the pin shafts, the outer walls of the pin shafts are tightly attached to the inner wall of the central hole of the bearing, the tail ends of the pin shafts are connected with bearing pressing blocks which synchronously rotate with the fluted disc, and the step parts on the pin shafts and the bearing pressing blocks are respectively; the multimedia liquid crystal display fixing seat is installed on the bearing pressing block, and a limiting part used for limiting the rotation angle of the bearing pressing block is further arranged between the bearing pressing block and the bearing fixing seat.
2. The vehicle-mounted multimedia screen rotating mechanism according to claim 1, wherein: the locating part is including setting up the spacing groove on the bearing briquetting outer wall and setting up the stopper of laying the hole inner wall at the bearing fixing base, stopper and spacing groove cooperation.
3. The vehicle-mounted multimedia screen rotating mechanism according to claim 1, wherein: the tail end of the pin shaft penetrates through the bearing pressing block to be matched with the screw to position the bearing pressing block.
4. The vehicle-mounted multimedia screen rotating mechanism according to claim 1, wherein: the pin shaft is a step positioning column, the upper end of the step positioning column is connected with the fluted disc, the step part of the step positioning column is pressed on the bearing, and the outer wall of the lower end of the step positioning column is attached to the inner wall of the central hole of the bearing.
5. The vehicle-mounted multimedia screen rotating mechanism according to claim 1, wherein: the base is also provided with a central control decorative frame in a matching way, and a position avoiding hole for the bearing pressing block to pass through is arranged in the central control decorative frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022358987.8U CN213534590U (en) | 2020-10-21 | 2020-10-21 | Vehicle-mounted multimedia screen rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022358987.8U CN213534590U (en) | 2020-10-21 | 2020-10-21 | Vehicle-mounted multimedia screen rotating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213534590U true CN213534590U (en) | 2021-06-25 |
Family
ID=76499195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022358987.8U Active CN213534590U (en) | 2020-10-21 | 2020-10-21 | Vehicle-mounted multimedia screen rotating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213534590U (en) |
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2020
- 2020-10-21 CN CN202022358987.8U patent/CN213534590U/en active Active
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