CN210554549U - Rotatable vehicle-mounted display screen - Google Patents
Rotatable vehicle-mounted display screen Download PDFInfo
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- CN210554549U CN210554549U CN201921024073.9U CN201921024073U CN210554549U CN 210554549 U CN210554549 U CN 210554549U CN 201921024073 U CN201921024073 U CN 201921024073U CN 210554549 U CN210554549 U CN 210554549U
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Abstract
The utility model discloses a rotatable on-vehicle display screen, include: the display screen comprises a base, a rotating shaft rotationally connected with the base, a mounting seat fixed at the front end of the rotating shaft and arranged in front of the base, a display screen fixed on the mounting seat, a motor used for driving the rotating shaft to rotate, a positioning mechanism used for stopping the display screen at a 0-degree position or a 90-degree position, a transmission mechanism used for transmitting between the motor and the rotating shaft, and an end cover used for fixing the transmission mechanism and the motor; the display screen has the advantages of compact structure, stable transmission and low noise.
Description
Technical Field
The utility model relates to an automotive supplies technical field, in particular to mobilizable on-vehicle display screen.
Background
At present, a motor and a transmission worm of a rotatable vehicle-mounted display screen are generally fixed outside an end cover respectively through a motor support and a worm support, the transmission worm and a worm wheel are meshed outside the end cover, the noise generated by the rotation of the motor is larger, unnecessary interference is caused when a vehicle owner uses a voice function, and the influence of vibration generated by the motor on the end cover is large, so that the use experience is influenced; the rotating shaft is generally fixed by two bearings, and the structure is complex; in addition, the friction force between the worm wheel and the rotating shaft of the conventional vehicle-mounted display screen is smaller, so that the rotation of the display screen is easily blocked.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art's weak point, an object of the utility model is to provide a rotatable on-vehicle display screen, the noise that the motor vibration that aims at solving rotatable on-vehicle display screen among the prior art produced is great, the less technical problem of transmission friction.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a rotatable in-vehicle display screen comprising: the base, the pivot of being connected with the base rotation, fix at the pivot front end and set up the mount pad in base the place ahead, fix the display screen on the mount pad for drive pivot pivoted motor, be used for making the display screen stop at 0 position or 90 positioning mechanism of position, be used for driven drive mechanism between motor and pivot, and be used for the end cover of fixed drive mechanism and motor.
In the rotatable vehicle-mounted display screen, the positioning mechanism comprises 2 bumps arranged on the rear end surface of the mounting seat and a motor control board concentrically arranged with the rotating shaft; the 2 bumps are arranged on the same circumference and are separated by 90-degree arcs, the motor control board is fixed on the base, a travel switch is arranged on the front surface of the motor control board, and the travel switch is arranged on the rotating track of the bumps.
In the rotatable vehicle-mounted display screen, the transmission mechanism comprises a worm wheel and a worm which are meshed with each other, the worm wheel is connected with the rotating shaft, and one end of the worm is connected with an output shaft of the motor.
In the rotatable vehicle-mounted display screen, a notch is formed in one side of the end cover, and the motor is clamped on the notch; the end cover is also internally provided with a first clamping block and a second clamping block, and two ends of the worm are respectively and rotatably fixed on the first clamping block and the second clamping block.
In the rotatable vehicle-mounted display screen, one side of a first fixture block in the end cover, which is close to the motor, is provided with a connecting block, two sides of the connecting block are fixed on a mounting column of the end cover through screws, the middle part of the connecting block is provided with a first via hole for a motor output shaft to pass through, and the motor is fixed on the connecting block.
Rotatable on-vehicle display screen in, the pivot passes through the bearing and the bearing cap is connected with the base, the bearing cap cup joints on the bearing, through the fix with screw on the base, motor control panel sets up between bearing cap and base, with bearing clearance fit.
In the rotatable vehicle-mounted display screen, the rotating shaft comprises an outer cylindrical part and an inner cylindrical part which are coaxially arranged, the bearing sleeve is arranged on the outer cylindrical part, the worm wheel sleeve is arranged on the inner cylindrical part, the worm wheel is in clearance fit with the inner cylindrical part, the front side of the worm wheel is abutted to the rear end face of the outer cylindrical part, and the rear side is sequentially pressed with a slipping gear ring, an elastic sheet and a limiting ring.
In the rotatable vehicle-mounted display screen, the worm wheel consists of a circular ring part and a web plate arranged in the circular ring part, a second through hole for the inner cylindrical part of the rotating shaft to pass through is formed in the web plate, the front surface of the web plate is abutted against the rear end face of the outer cylindrical part of the rotating shaft, the rear surface of the web plate is abutted against the slipping gear ring, and the limiting ring is connected with the inner cylindrical part through a screw and presses the slipping gear ring and the elastic sheet to the web plate.
In the rotatable vehicle-mounted display screen, radial first gear teeth are uniformly arranged on the circumferential direction of the rear surface of the web plate, and the gear teeth are matched with second gear teeth on the front surface of the slipping gear ring.
In the rotatable vehicle-mounted display screen, an atmosphere lamp is further arranged on the motor control panel.
Has the advantages that:
the utility model provides a rotatable vehicle-mounted display screen, which simplifies the transmission mechanism and directly fixes the motor and the transmission worm in the end cover, thus reducing the noise generated by the rotation of the motor and the influence of the vibration of the motor on the end cover; only one bearing is needed for fixing the rotating shaft, so that the structure is simplified; the setting of the atmosphere lamp improves the experience of the user on the whole.
Drawings
Fig. 1 is an exploded view of the rotatable vehicle-mounted display screen provided by the present invention.
Fig. 2 is a schematic structural diagram of the rotatable vehicle-mounted display screen.
Fig. 3 is a schematic structural diagram of the rotating shaft and the mounting seat.
Fig. 4 is a schematic connection diagram of the motor, the worm and the end cover.
Fig. 5 is a schematic structural view of the end cap.
Fig. 6 is a schematic structural view of the connecting block.
Fig. 7 is a schematic structural view of the worm wheel.
Detailed Description
The utility model provides a rotatable on-vehicle display screen, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the embodiment is lifted to follow with reference to the attached drawing the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that the front and back directions in the present invention refer to the direction from the display screen to the end cover, i.e. the direction in which the user looks at the line of sight of the display screen; the 0 ° position is a position where the display screen is in a landscape state, and the 90 ° position is a position where the display screen is in a portrait state.
Referring to fig. 1 and 2, the present invention provides a rotatable vehicle-mounted display screen, including: the display screen comprises a base 1, a rotating shaft 2 rotatably connected with the base 1, a mounting seat 3 fixed at the front end of the rotating shaft 2 and arranged in front of the base 1, a display screen (not shown in the figure) fixed on the mounting seat 3, a motor 4 used for driving the rotating shaft 2 to rotate, a positioning mechanism 5 used for enabling the display screen to stop at a 0-degree position or a 90-degree position, a transmission mechanism 6 used for transmitting between the motor 4 and the rotating shaft 2, and an end cover 7 used for fixing the transmission mechanism 6 and the motor 4.
When the vehicle-mounted display screen is installed, the base is fixed on a vehicle, when the position of the display screen needs to be changed, the motor can be started through the control button (which can be a physical button or a virtual button displayed on the screen), the motor can rotate the rotating shaft, so that the display screen rotates, and when the display screen rotates to the position of 0 degree or the position of 90 degrees, the positioning mechanism can stop the motor. The motor and the transmission mechanism are connected and transmitted inside the end cover and are directly fixed in the end cover, so that the influence of vibration generated by motor transmission on the end cover is reduced, the noise generated by motor transmission is reduced, and the use experience is improved.
Referring to fig. 1 and 3, the positioning mechanism 5 includes 2 bumps 3.1 disposed on the rear end surface of the mounting base 3, and a motor control board 8 disposed concentrically with the rotating shaft 2; 2 lugs 3.1 set up on same circumference to at a distance of 90 circular arcs, motor control board 8 is fixed on base 3, and its front surface is equipped with travel switch 8.1, travel switch 8.1 sets up on lug 3.1's rotation orbit. When the display screen is initially used, one of the bumps is aligned with the travel switch, so that the display screen is positioned at the position of 0 degree or 90 degrees, when the control button is triggered, the motor enables the display screen to rotate towards the direction of the other bump, when the bump is aligned with the travel switch, the travel switch is triggered, the motor stops rotating, and the display screen is positioned at the position of 90 degrees or 0 degrees. When the control button is triggered again, the motor rotates the display screen in the reverse direction to return to the initial position. The two bumps and the travel switch are mutually matched to enable the display screen to stay at the 0-degree position or the 90-degree position.
The transmission mechanism 6 comprises a worm wheel 6.1 and a worm 6.2 which are meshed with each other, the worm wheel 6.1 is connected with the rotating shaft 2, and one end of the worm 6.2 is connected with an output shaft of the motor 4. Because the worm gear and worm transmission mechanism has a reverse self-locking function, the worm can only drive the worm to rotate, and the worm cannot be driven by the worm wheel to rotate, so that the display screen cannot shake.
Referring to fig. 4 and 5, a notch 7.1 is formed in one side of the end cover 7, and the motor 4 is clamped in the notch; a first clamping block 7.2 and a second clamping block 7.3 are further arranged in the end cover 7, and two ends of the worm 6.2 are respectively and rotatably fixed on the first clamping block 7.2 and the second clamping block 7.3. The part of the worm meshed with the worm wheel is not contacted with the end cover, the rotation of the worm is not influenced, the two ends of the worm are fixed, the worm is prevented from becoming a cantilever, the probability of bending deformation of the worm is reduced, and the worm is reliably meshed with the worm wheel.
Referring to fig. 4 and 6, a connecting block 9 is arranged on one side, close to the motor 4, of a first clamping block 7.2 in the end cover 7, positioning holes 9.2 are arranged on two sides of the connecting block 9 and fixed on a mounting column 7.4 of the end cover through screws, a first through hole 9.1 for an output shaft of the motor 4 to pass through is arranged in the middle of the connecting block 9, and the output shaft of the motor passes through the first through hole and is connected with a screw rod; the motor 4 is fixed on the connecting block 9 through screws, so that the motor is more stable, and the noise generated by vibration of the motor and the influence on the end cover are reduced.
The rotating shaft 2 is connected with the base 1 through a bearing 10 and a bearing cover 11, the bearing cover 11 is sleeved on the bearing 10 and fixed on the base 1 through screws, and the motor control board 8 is arranged between the bearing cover 11 and the base 1 and is in clearance fit with the bearing 10. The bearing can reduce the friction between pivot and the base. The bearing cover plays a protective role in the bearing, improves the sealing performance of the transmission structure and plays a dustproof effect. The bearing cover is provided with a through hole, a travel switch on the motor control panel penetrates through the through hole to be in contact with a convex block on the rear surface of the mounting seat, and the motor control panel is fixedly connected with the bearing cover.
Referring to fig. 1 and 3, the rotating shaft 2 includes an outer cylindrical portion 2.1 and an inner cylindrical portion 2.2, which are coaxially disposed, the bearing 10 is sleeved on the outer cylindrical portion 2.1, the worm wheel 6.1 is sleeved on the inner cylindrical portion 2.2, the worm wheel 6.1 is in clearance fit with the inner cylindrical portion 2.2, the front side of the worm wheel 6.1 abuts against the rear end face of the outer cylindrical portion 2.1, and the rear side is sequentially pressed with a slipping gear ring 6.3, an elastic sheet 6.4 and a limiting ring 6.5.
The worm wheel, the slipping gear ring, the elastic sheet and the limiting ring form a slipping mechanism, the worm wheel and the rotating shaft are in transmission through friction force (between the worm wheel and the rear end face of the outer cylinder part and between the worm wheel and the slipping gear ring), and when the rotation of the display screen is blocked and the resistance force exceeds the total friction force between the worm wheel and the rear end face of the outer cylinder part and between the worm wheel and the slipping gear ring, the worm wheel and the rotating shaft slip, so that the motor cannot rotate under the action of the resistance force, and the motor is protected; on the other hand, when the motor became invalid, the force can be manually applied to the display screen to rotate the display screen, and when the applied force can overcome the total friction force, the worm wheel and the rotating shaft slip, so that the worm wheel and the worm cannot be damaged.
Referring to fig. 1, 3 and 7, the worm wheel 6.1 is composed of a circular ring portion 6.11 and a web 6.12 arranged in the circular ring portion, the web 6.12 is provided with a second through hole 6.12a for the inner cylindrical portion 2.2 of the rotating shaft to pass through, the front surface of the web 6.12 abuts against the rear end surface of the outer cylindrical portion 2.1 of the rotating shaft, the rear surface abuts against the slipping gear ring 6.3, and the limiting ring 6.5 is connected with the inner cylindrical portion 2.2 through a screw and presses the slipping gear ring 6.3 and the elastic sheet 6.4 to the web 6.12. In the structure, the slipping gear ring, the elastic sheet and the limiting ring are arranged inside the turbine, so that the mounting space is saved, and the compactness of the structure is improved.
The rear surface circumference of web 6.12 is equipped with radial first teeth of a cogwheel 6.12a uniformly, teeth of a cogwheel 6.12a and the second teeth of a cogwheel 6.31 adaptation on the ring gear 6.3 front surface that skids improve the frictional force between web and the ring gear that skids, improve transmission effect.
An atmosphere lamp (not shown in the figure) is further arranged on the motor control panel 8, and the use experience of a user is improved.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (10)
1. A rotatable on-vehicle display screen, comprising: the base, the pivot of being connected with the base rotation, fix at the pivot front end and set up the mount pad in base the place ahead, fix the display screen on the mount pad for drive pivot pivoted motor, be used for making the display screen stop at 0 position or 90 positioning mechanism of position, be used for driven drive mechanism between motor and pivot, and be used for the end cover of fixed drive mechanism and motor.
2. The rotatable vehicle-mounted display screen of claim 1, wherein the positioning mechanism comprises 2 bumps arranged on the rear end surface of the mounting seat and a motor control board arranged concentrically with the rotating shaft; the 2 bumps are arranged on the same circumference and are separated by 90-degree arcs, the motor control board is fixed on the base, a travel switch is arranged on the front surface of the motor control board, and the travel switch is arranged on the rotating track of the bumps.
3. The rotatable vehicular display screen of claim 1, wherein the transmission mechanism comprises a worm wheel and a worm engaged with each other, the worm wheel is connected with the rotating shaft, and one end of the worm is connected with an output shaft of the motor.
4. The rotatable vehicle-mounted display screen of claim 3, wherein a notch is formed in one side of the end cover, and the motor is clamped in the notch; the end cover is also internally provided with a first clamping block and a second clamping block, and two ends of the worm are respectively and rotatably fixed on the first clamping block and the second clamping block.
5. The rotatable vehicle-mounted display screen of claim 4, wherein a connecting block is arranged on one side, close to the motor, of the first clamping block in the end cover, two sides of the connecting block are fixed on a mounting column of the end cover through screws, a first through hole for an output shaft of the motor to pass through is formed in the middle of the connecting block, and the motor is fixed on the connecting block.
6. The rotatable vehicle-mounted display screen of claim 3, wherein the rotating shaft is connected with the base through a bearing and a bearing cover, the bearing cover is sleeved on the bearing and fixed on the base through a screw, and the motor control board is arranged between the bearing cover and the base and is in clearance fit with the bearing.
7. The rotatable vehicle-mounted display screen of claim 6, wherein the rotating shaft comprises an outer cylindrical part and an inner cylindrical part which are coaxially arranged, the bearing is sleeved on the outer cylindrical part, the worm wheel is sleeved on the inner cylindrical part, the worm wheel is in clearance fit with the inner cylindrical part, the front side of the worm wheel abuts against the rear end face of the outer cylindrical part, and the rear side is sequentially pressed with a slipping gear ring, an elastic sheet and a limiting ring.
8. The rotatable vehicle-mounted display screen of claim 7, wherein the worm wheel comprises a circular ring part and a web plate arranged in the circular ring part, the web plate is provided with a second through hole for the inner cylindrical part of the rotating shaft to pass through, the front surface of the web plate abuts against the rear end surface of the outer cylindrical part of the rotating shaft, the rear surface of the web plate abuts against the slipping gear ring, and the limiting ring is connected with the inner cylindrical part through a screw and presses the slipping gear ring and the elastic sheet to the web plate.
9. The rotatable vehicle display of claim 8 wherein the rear surface of the web is circumferentially uniformly provided with first radial gear teeth that mate with second gear teeth on the front surface of the slipping ring gear.
10. The rotatable vehicular display screen of claim 2, wherein the motor control board is further provided with an atmosphere lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921024073.9U CN210554549U (en) | 2019-07-03 | 2019-07-03 | Rotatable vehicle-mounted display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921024073.9U CN210554549U (en) | 2019-07-03 | 2019-07-03 | Rotatable vehicle-mounted display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210554549U true CN210554549U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921024073.9U Active CN210554549U (en) | 2019-07-03 | 2019-07-03 | Rotatable vehicle-mounted display screen |
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| CN (1) | CN210554549U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208511A1 (en) * | 2020-04-13 | 2021-10-21 | 惠州视维新技术有限公司 | Rotating assembly and display device |
| WO2024032142A1 (en) * | 2022-08-10 | 2024-02-15 | 延锋国际汽车技术有限公司 | Rotation mechanism of vehicle-mounted display apparatus |
-
2019
- 2019-07-03 CN CN201921024073.9U patent/CN210554549U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208511A1 (en) * | 2020-04-13 | 2021-10-21 | 惠州视维新技术有限公司 | Rotating assembly and display device |
| WO2024032142A1 (en) * | 2022-08-10 | 2024-02-15 | 延锋国际汽车技术有限公司 | Rotation mechanism of vehicle-mounted display apparatus |
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