CN219134023U - Vehicle-mounted display overturning driving device - Google Patents
Vehicle-mounted display overturning driving device Download PDFInfo
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- CN219134023U CN219134023U CN202223321695.2U CN202223321695U CN219134023U CN 219134023 U CN219134023 U CN 219134023U CN 202223321695 U CN202223321695 U CN 202223321695U CN 219134023 U CN219134023 U CN 219134023U
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- gear
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- locking
- vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model relates to a vehicle-mounted display overturning driving device which comprises a gear box and an output shaft arranged on the gear box, wherein an output shaft driving mechanism driven by a first motor and an output shaft locking mechanism driven by a second motor are arranged in the gear box, the output shaft driving mechanism comprises a first worm arranged on an output shaft of the first motor, a first gear meshed with the first worm, an anti-locking gear and a second gear arranged on the output shaft and meshed with the anti-locking gear, and a first intermediate transmission gear is arranged between the first gear and the anti-locking gear. The utility model has the advantages that: the gear can be prevented from being damaged; the display can be prevented from shaking caused by gear gaps in the running process of the vehicle, damage to the first motor when the display is manually turned over is avoided, slipping can be caused under a certain moment when the display is touched, and safety of a person is ensured.
Description
Technical Field
The utility model relates to the field of vehicle-mounted displays, in particular to a vehicle-mounted display overturning driving device.
Background
An in-vehicle display is a display device installed in a vehicle, and is generally installed on top of the inside of the vehicle. The vehicle-mounted display comprises a base, a display screen and two overturning driving devices, wherein the two overturning driving devices are fixed on the base and are respectively positioned on two sides of the display screen, the two overturning driving devices are respectively connected with the display screen, and the overturning driving devices are used for driving the overturning of the display screen to realize the opening and the closing of the display screen.
In actual use, under the dual influences of vibration and self weight of the display, the display generates larger moment on the output shaft, and the moment acts on each gear of the turnover driving device through the output shaft, so that the gears are damaged easily, and the opening and closing functions of the vehicle-mounted display are influenced. In addition, in the opening process of the vehicle-mounted display, along with the gradual increase of the opening angle, the included angle between the vehicle-mounted display and the gravity is gradually reduced, so that the turning speed of the vehicle-mounted display tends to be increased, and the pressure of the turning driving device is increased and the stability of the vehicle-mounted display during opening is affected.
Disclosure of Invention
The utility model mainly solves the problems, and provides the vehicle-mounted display overturning driving device which can lock the output shaft, avoid the output shaft to transmit the moment generated by the display to the output shaft driving mechanism, and can generate certain damping to the output shaft in the opening process of the vehicle-mounted display, thereby reducing the pressure of the output shaft driving mechanism.
The utility model solves the technical problems by adopting the technical scheme that the vehicle-mounted display overturning driving device comprises a gear box and an output shaft arranged on the gear box, wherein an output shaft driving mechanism driven by a first motor and an output shaft locking mechanism driven by a second motor are arranged in the gear box, the output shaft driving mechanism comprises a first worm arranged on an output shaft of the first motor, a first gear meshed with the first worm, an anti-locking gear and a second gear arranged on the output shaft and meshed with the anti-locking gear, and a first intermediate transmission gear is arranged between the first gear and the anti-locking gear.
The output shaft enclasping mechanism locks the output shaft, so that torque generated by the vehicle-mounted display on the output shaft is prevented from being transmitted to the output shaft driving mechanism, and the first motor and gears in the output shaft driving mechanism are prevented from being damaged; the output shaft enclasping mechanism can provide a locking force positively correlated with the opening angle of the vehicle-mounted display when the output shaft driving mechanism drives the vehicle-mounted display to open so as to offset the influence of gravity on the opening speed of the vehicle-mounted display, ensure the stable opening of the vehicle-mounted display and reduce the pressure of the output shaft driving mechanism.
As a preferable scheme of the scheme, the output shaft enclasping mechanism comprises a second worm arranged on the output shaft of the second motor, a third gear meshed with the second worm, an anchor ear, a locking gear for controlling the anchor ear to fold and locking wheels arranged on the output shaft, wherein the anchor ear is arranged on two sides of the locking wheels, and a second intermediate transmission gear is arranged between the third gear and the locking gear.
As a preferable scheme of the scheme, the anchor ear comprises two arc locking plates and two transmission arms, wherein the first ends of the arc locking plates are rotatably arranged on the gear box, the second ends of the arc locking plates are rotatably connected with the first ends of the transmission arms, the middle parts of the transmission arms are rotatably connected with the gear box, the locking gears are provided with lugs, the lugs are positioned between the second ends of the two transmission arms, and the lugs enable the second ends of the two transmission arms to be far away from the arc locking plates when the locking gears rotate so as to lock the locking wheels.
As a preferred scheme of the scheme, the anti-lock gear comprises a first sub gear, a second sub gear, a screw and a nut, wherein the screw sequentially comprises a baffle plate, a first sub gear sleeving part, a second sub gear sleeving part and a threaded part from top to bottom, the first sub gear is rotatably arranged on the first sub gear sleeving part, the second sub gear is sleeved on the second sub gear sleeving part, the second sub gear and the second sub gear sleeving part are relatively static, a damping gasket is arranged between the first sub gear, the second sub gear and the baffle plate, and the nut is screwed on the bolt part to enable the second sub gear, the first sub gear and the baffle plate to be propped against each other. When the output shaft driving mechanism controls the vehicle-mounted display to turn over, under the action of friction force, the first sub-gear drives the screw to rotate, and the screw drives the second sub-gear to rotate, so that the opening and closing of the vehicle-mounted display are realized; when the vehicle-mounted display is manually broken to enable the vehicle-mounted display to be opened or closed, the first sub-gear cannot rotate due to the fact that the first motor cannot rotate in a self-locking mode, at the moment, the force of the hand on the vehicle-mounted display is transmitted to the second sub-gear through the output shaft, and the second sub-gear is in relative static state with the screw rod, so that the first sub-gear is in rotary connection with the screw rod, the second sub-gear can drive the screw rod to rotate, the first sub-gear is kept static, and the second motor is prevented from being damaged.
As a preferable mode of the above scheme, the first gaskets are embedded in the upper end face and the lower end face of the first sub-gear, and the first gaskets and the first sub-gear are kept relatively static.
As a preferable mode of the above scheme, the second sub-gear is embedded with a second gasket towards the end face of the first sub-gear, and the second gasket and the screw rod are kept relatively static.
As a preferable scheme of the scheme, bearings are arranged at the upper end and the lower end of the screw rod, and the anti-lock gear is rotatably arranged in the gear box through the bearings.
As a preferable scheme of the scheme, the gear box comprises a bearing part, a first shell and a second shell, wherein the first shell and the second shell are respectively arranged on two sides of the bearing part, the first shell and the bearing part form a first cavity for installing an output shaft driving mechanism, and the second shell and the bearing part form a second cavity for installing an output shaft enclasping mechanism.
As a preferable scheme of the scheme, a first PCB board for detecting the rotation angle of the output shaft is arranged at the position, corresponding to the output shaft, of the first shell.
As a preferable scheme of the scheme, a window is formed at the position, corresponding to the locking gear, of the second shell, and a second PCB (printed Circuit Board) for detecting the rotation angle of the locking gear is arranged in the window.
The utility model has the advantages that: the output shaft enclasping mechanism is arranged, so that torque generated by the vehicle-mounted display on the output shaft can be prevented from being transmitted to the output shaft driving mechanism, shake generated by a gear gap of the display in the running process of the vehicle can be eliminated, and the first motor and gears in the output shaft driving mechanism are prevented from being damaged; the output shaft enclasping mechanism can also provide a locking force positively correlated with the opening angle of the vehicle-mounted display when the output shaft driving mechanism drives the vehicle-mounted display to open so as to offset the influence of gravity on the opening speed of the vehicle-mounted display, ensure the stable opening of the vehicle-mounted display and reduce the pressure of the output shaft driving mechanism; the power transmission between the first motor and the output shaft is carried out by utilizing the anti-lock gear, so that the damage to the first motor when the vehicle-mounted display is manually turned over is avoided, and the first motor can slip under a certain moment when the vehicle-mounted display is touched, thereby ensuring the safety of a person.
Drawings
Fig. 1 is a schematic perspective view of a vehicle-mounted display overturning driving device in an embodiment.
Fig. 2 is a schematic perspective view of an output shaft driving mechanism in an embodiment.
Fig. 3 is an exploded view of an anti-lock gear in an embodiment.
Fig. 4 is a schematic perspective view of a screw in an embodiment.
Fig. 5 is a schematic perspective view of an output shaft clasping mechanism in an embodiment.
Fig. 6 is a schematic top view of the output shaft clasping mechanism in the embodiment.
Fig. 7 is a schematic perspective view of a locking gear in an embodiment.
1-bearing part 2-first shell 3-second shell 4-output shaft 5-first PCB 6-second PCB 7-first motor 8-second motor 9-first worm 10-first gear 11-first intermediate transmission gear 12-anti-lock gear 13-second gear 14-second worm 15-third gear 16-second intermediate transmission gear 17-lock gear 18-staple bolt 19-lock wheel 121-screw 122-first sub-gear 123-second sub-gear 124-nut 125-first gasket 126-second gasket 127-tile 128-bearing 1211-baffle 1212-first sub-gear socket 1213-second sub-gear socket 1214-screw 171-gear 172-bump 173-limit part 181-lock plate 182-transmission arm.
Detailed Description
The technical scheme of the utility model is further described below through examples and with reference to the accompanying drawings.
Examples:
the embodiment of a vehicle-mounted display overturning driving device, as shown in fig. 1, comprises a gear box and an output shaft 4 arranged on the gear box, wherein the gear box comprises a bearing part 1, a first shell 2 and a second shell 3, the first shell 2 and the second shell 3 are respectively arranged on two sides of the bearing part, the first shell 3 and the bearing part 1 form a first cavity for installing an output shaft driving mechanism, and the second shell 3 and the bearing part 1 form a second cavity for installing an output shaft enclasping mechanism. Wherein, output shaft actuating mechanism is by first motor drive 7 and output shaft hug tightly the mechanism and is by second motor drive 8.
As shown in fig. 2, the output shaft driving mechanism includes a first worm 9 provided on the output shaft of the first motor 7, a first gear 10 meshed with the first worm, an anti-lock gear 12, and a second gear 13 provided on the output shaft and meshed with the anti-lock gear, with a first intermediate transmission gear 11 provided therebetween. As shown in fig. 3 and 4, the anti-lock gear 12 includes a first sub-gear 122, a second sub-gear 123, a screw 121 and a nut 124, the screw 121 includes a baffle 1211, a first sub-gear sleeving portion 1212, a second sub-gear sleeving portion 1213 and a threaded portion 1214 from top to bottom in sequence, the cross sections of the central through hole of the first sub-gear 122 and the first sub-gear sleeving portion 1212 are circular so that the first sub-gear 122 can be rotatably arranged on the first sub-gear sleeving portion 1212, the cross sections of the central through hole of the second sub-gear 123 and the second sub-gear sleeving portion 1213 are square so that the second sub-gear 123 is sleeved on the second sub-gear sleeving portion 1213 and then the second sub-gear sleeving portion is relatively static, a damping mechanism is arranged between the first gear 122 and the second gear 123 and the baffle 121, the damping mechanism includes two first gaskets 125, the first gaskets 125 are embedded in first grooves on the upper end surfaces and lower end surfaces of the first sub-gear 122, and the first grooves and the first gaskets are kidney-shaped so that the first sub-gear remains relatively static. The end face of the second sub-gear 123 facing the first sub-gear 122 is provided with a second groove, and a second gasket 126 is arranged in the second groove. The nut 124 is screwed onto the bolt portion 1214 to abut the second sub gear 125, the first gear 122, and the shutter 1211. A plurality of tile pads 7 are arranged between the second gear 3 and the nut 4. The first sub-gear 122 is meshed with the first intermediate transmission gear 11, and the second sub-gear 123 is meshed with the second gear 13. When the vehicle-mounted display overturning driving mechanism drives the vehicle-mounted display to overturn, the first motor 7 drives the first gear 10 to rotate, the first gear 10 drives the first intermediate transmission gear 11, the first intermediate transmission gear 11 drives the first sub-gear 122 to rotate, and due to the existence of the damping mechanism, the first sub-gear 122 can drive the screw rod 121 and the second sub-gear 123 to rotate when rotating, and then the vehicle-mounted display output shaft is driven to rotate, so that the vehicle-mounted display is opened. When the vehicle-mounted display is manually broken to open or close the vehicle-mounted display, the first motor 7 cannot rotate due to the fact that the self-locking of the first motor cannot rotate, at the moment, the force of the hand on the vehicle-mounted display is transmitted to the second sub-gear through the output shaft, when the force is larger than the damping provided by the damping mechanism, the screw rod can rotate along with the second sub-gear under the action of the second sub-gear, the first sub-gear is kept still, and excessive torque is prevented from being transmitted to the first intermediate gear, the first gear and the first motor, so that the first intermediate transmission gear, the first gear and the first motor are damaged.
In this embodiment, in order to facilitate the rotation of the screw, a bearing 8 is respectively disposed at the upper and lower ends of the screw, and the screw is disposed between the bearing portion 1 and the first housing 2 through the bearing 8. Meanwhile, a first PCB 5 for detecting the rotation angle of the output shaft is arranged at the position of the first shell 2 corresponding to the output shaft 4.
As shown in fig. 5, the output shaft enclasping mechanism comprises a second worm 14 arranged on the output shaft of the second motor 8, a third gear 15 meshed with the second worm 14, a hoop 18, a locking gear 17 for controlling the hoop to fold and locking wheels 19 arranged on the output shaft, wherein the hoop 18 is arranged on two sides of the locking wheels 19, and a second intermediate transmission gear 16 is arranged between the third gear 15 and the locking gear 17.
As shown in fig. 6, the anchor ear includes two arc locking plates 181 and two drive arms 182, and arc locking plates 181 are located the locking wheel 19 upper and lower both sides, and arc locking plates first end rotates to set up on the carrier part and is located locking wheel 19 left side, and arc locking plates 181 second end is located locking wheel 19 right side and is connected with drive arm 182 first end rotation, and the drive arm middle part is connected with the carrier part rotation, and locking gear 17 locates the drive arm second end. As shown in fig. 7, the locking gear includes a meshing portion 171, a protruding block 172 having a waist-round shape, and a limiting portion 173 having a circular arc shape, wherein the protruding block 172 is disposed on a lower end surface of the meshing portion, the limiting portion 173 is disposed on an upper end surface of the meshing portion, the protruding block 172 is disposed between second ends of the two transmission arms, and the meshing portion is meshed with the second intermediate conductive gear. Meanwhile, a window is arranged on the second shell corresponding to the position of the gear box corresponding to the limiting part 173, a second PCB (printed circuit board) 6 for detecting the rotation angle of the locking gear is arranged in the window, and a limiting groove for preventing the locking gear from rotating excessively is arranged on the wall of the window corresponding to the movable track of the limiting part.
When the second motor 7 locks the output shaft, the second motor 7 drives the second worm 9 to rotate, the second worm 9 drives the third gear 10 to rotate, the rotation of the third gear 10 is transmitted to the locking gear 12 after passing through the second intermediate transmission gear 11, the length direction of the protruding block of the locking gear 12 is enabled to be perpendicular to the directions of the two transmission arms, in the process, the distance between the second ends of the two transmission arms is gradually increased under the action of the protruding block, the first ends of the two transmission arms are mutually closed, the second ends of the two arc-shaped locking plates are mutually closed, the two arc-shaped locking plates clamp the locking wheels, and the output shaft is locked.
In this embodiment, output shaft actuating mechanism and output shaft enclasping mechanism in the vehicle-mounted display upset drive arrangement, except driving and locking the output shaft alone, can also cooperate the use, in the in-process that vehicle-mounted display opened, along with opening angle's increase gradually, its self and gravity's contained angle reduces gradually for vehicle-mounted display's upset speed has the trend that accelerates, this pressure that can increase upset drive arrangement and influence vehicle-mounted display stability when opening, output shaft enclasping mechanism can provide the locking force that is positively correlated with vehicle-mounted display opening angle in order to offset the influence of gravity to vehicle-mounted display opening speed this moment, ensure vehicle-mounted display's stable opening and reduce output shaft actuating mechanism pressure.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. A vehicle-mounted display overturning driving device is characterized in that: the novel gear box comprises a gear box and an output shaft arranged on the gear box, wherein an output shaft driving mechanism driven by a first motor and an output shaft locking mechanism driven by a second motor are arranged in the gear box, the output shaft driving mechanism comprises a first worm arranged on an output shaft of the first motor, a first gear meshed with the first worm, an anti-locking gear and a second gear arranged on the output shaft and meshed with the anti-locking gear, and a first intermediate transmission gear is arranged between the first gear and the anti-locking gear.
2. The vehicle-mounted display overturning driving device according to claim 1, wherein: the output shaft enclasping mechanism comprises a second worm arranged on an output shaft of a second motor, a third gear meshed with the second worm, an anchor ear, a locking gear for controlling the anchor ear to fold and locking wheels arranged on the output shaft, wherein the anchor ear is arranged on two sides of the locking wheels, and a second intermediate transmission gear is arranged between the third gear and the locking gear.
3. The vehicle-mounted display overturning driving device according to claim 2, wherein: the anchor ear comprises two arc locking plates and two transmission arms, wherein the first ends of the arc locking plates are rotatably arranged on the gear box, the second ends of the arc locking plates are rotatably connected with the first ends of the transmission arms, the middle parts of the transmission arms are rotatably connected with the gear box, the locking gears are provided with protruding blocks, the protruding blocks are arranged between the second ends of the two transmission arms, and when the locking gears rotate, the protruding blocks enable the second ends of the two transmission arms to be far away from the arc locking plates so as to lock the locking wheels.
4. The vehicle-mounted display overturning driving device according to claim 1, wherein: the anti-lock gear comprises a first sub gear, a second sub gear, a screw and a nut, wherein the screw sequentially comprises a baffle, a first sub gear sleeving part, a second sub gear sleeving part and a threaded part from top to bottom, the first sub gear is rotatably arranged on the first sub gear sleeving part, the second sub gear is sleeved on the second sub gear sleeving part, the second sub gear is relatively static with the second sub gear sleeving part, a first gasket is arranged between the first sub gear and the baffle as well as between the second sub gear and the baffle, and the nut is screwed on the bolt part to enable the second sub gear, the first sub gear and the baffle to be propped against each other.
5. The vehicle-mounted display overturning driving device according to claim 4, wherein: the first gaskets are embedded in the upper end face and the lower end face of the first sub-gear, and the first gaskets and the first sub-gear are kept relatively static.
6. The vehicle-mounted display overturning driving device according to claim 4, wherein: the second sub-gear is embedded with a second gasket towards the end face of the first sub-gear, and the second gasket and the screw rod are kept relatively static.
7. The vehicle-mounted display overturning driving device according to claim 4, wherein: the upper end and the lower end of the screw are respectively provided with a bearing, and the anti-lock gear is rotatably arranged in the gear box through the bearings.
8. The vehicle-mounted display overturning driving device according to claim 1, wherein: the gearbox comprises a bearing part, a first shell and a second shell, wherein the first shell and the second shell are respectively arranged on two sides of the bearing part, the first shell and the bearing part form a first cavity for installing an output shaft driving mechanism, and the second shell and the bearing part form a second cavity for installing an output shaft enclasping mechanism.
9. The vehicle-mounted display overturning driving device according to claim 8, wherein: the first shell corresponds to the output shaft and is provided with a first PCB board for detecting the rotation angle of the output shaft.
10. The vehicle-mounted display overturning driving device according to claim 8, wherein: a window is formed in the position, corresponding to the locking gear, of the second shell, and a second PCB used for detecting the rotation angle of the locking gear is arranged in the window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223321695.2U CN219134023U (en) | 2022-12-12 | 2022-12-12 | Vehicle-mounted display overturning driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223321695.2U CN219134023U (en) | 2022-12-12 | 2022-12-12 | Vehicle-mounted display overturning driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219134023U true CN219134023U (en) | 2023-06-06 |
Family
ID=86564139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223321695.2U Active CN219134023U (en) | 2022-12-12 | 2022-12-12 | Vehicle-mounted display overturning driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219134023U (en) |
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2022
- 2022-12-12 CN CN202223321695.2U patent/CN219134023U/en active Active
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