CN220122729U - Motor for vehicle-mounted display - Google Patents
Motor for vehicle-mounted display Download PDFInfo
- Publication number
- CN220122729U CN220122729U CN202321147043.3U CN202321147043U CN220122729U CN 220122729 U CN220122729 U CN 220122729U CN 202321147043 U CN202321147043 U CN 202321147043U CN 220122729 U CN220122729 U CN 220122729U
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- gear
- output shaft
- motor
- overload
- reduction
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- 230000009467 reduction Effects 0.000 claims abstract description 65
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000007704 transition Effects 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
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Abstract
The utility model relates to a motor for a vehicle-mounted display, which comprises a gear reduction box, a motor and an output shaft, wherein the motor and the output shaft are connected to the gear reduction box, a plurality of grooves are formed in the gear reduction box, a reduction gear is arranged in the grooves, the motor is in transmission connection with the output shaft through the reduction gear, a connecting gear is arranged on the output shaft and is in transmission connection with a display base through the connecting gear, and an overload protection and angle detection mechanism is arranged on the output shaft. According to the utility model, the gear reduction box is internally provided with the plurality of grooves, and the reduction gear is arranged in the grooves, so that the fixed installation is convenient; the output shaft is in transmission connection with the display base through the connecting gear, and meanwhile, the overload protection and angle detection mechanism is arranged on the output shaft, so that the motor and the display base can be disconnected when the moment is overlarge, and the motor or the display is prevented from being damaged; the angle detection mechanism can detect the rotation angle of the output shaft and record the rotation angle, so that the display rotation angle is ensured to be in a proper range, and damage is avoided.
Description
Technical Field
The utility model relates to the field of miniature gear motors, in particular to a motor for a vehicle-mounted display.
Background
The vehicle-mounted display is usually installed at the top of an automobile carriage, is attached to the top of the automobile without using the vehicle-mounted display, and is turned downwards to a certain angle when in use, wherein the turning of the display is realized through a motor, the existing turning motor generally comprises a motor, a reduction gearbox and an output shaft connected with the reduction gearbox, and the motor drives a gear reduction mechanism inside the reduction gearbox to rotate so as to finally drive the output shaft to rotate, so that the output shaft realizes larger torque output to drive the display to turn.
The vehicle-mounted display is provided with a limited space for installing an electric turnover device, so that the requirement on a turnover motor is small in size but large in reduction ratio, and at present, some vehicle-mounted display motors exist, for example, a Chinese patent with an authorized bulletin number of CN215793525U and a publication date of 2022 and 2 month and 1 day discloses a vehicle-mounted display turnover driving device.
In the above, static friction between the unidirectional bearing and the reduction gearbox is used to provide static friction moment to balance the gravity of the display, and the inventor considers that, in the related art in the above, although the application solves the problem of gravity of the displays at two ends, under the conventional use, the operation of directly adjusting the angle of the display by hands exists, how to reset after manual adjustment and how to adjust the required force for manual adjustment, and the application is not volumetric, so that certain defects exist.
Disclosure of Invention
The utility model provides a motor for a vehicle-mounted display, which has the effects of compact structure and convenience in adjustment.
The utility model provides a motor for a vehicle-mounted display, which adopts the following technical scheme:
the utility model provides a motor for vehicle-mounted display, includes gear reduction box and connects motor and the output shaft on gear reduction box, is provided with a plurality of recesses and is provided with gear reduction in the recess in the gear reduction box, and the motor passes through gear reduction and output shaft transmission to be connected, is provided with connecting gear on the output shaft and is connected with display base transmission through connecting gear, is provided with overload protection and angle detection mechanism on the output shaft.
Preferably, the motor and the output shaft are both perpendicular to the gear reduction box, and the motor and the output shaft are located on the same side of the gear reduction box.
Preferably, the gear reduction box comprises a box body, a bottom plate and a top plate, wherein the box body is internally provided with grooves which are a plurality of connected circular grooves and are different in depth, the reduction gears are arranged in the circular grooves through fixed shafts, and the bottom plate and the top plate limit the reduction gears.
Preferably, one end of the output shaft is fixed in the box body through a bearing, and the other end of the output shaft penetrates through the box body and is fixed through a bearing arranged on the top plate.
Preferably, the overload protection is including the cover establishing overload gear on the output shaft, overload gear with reduction gear transmission is connected, is provided with boss and overload gear's one side laminating boss setting on the output shaft, and overload gear's opposite side is provided with thrust bearing and friction disc, and the friction disc side is provided with adjusting nut, adjusting nut and the upper portion threaded connection of output shaft.
Preferably, the friction plate comprises a plurality of annular plates with raised middle parts, and adjacent annular gaskets are oppositely arranged.
Preferably, the lower part transmission of output shaft is connected with output gear, output gear with connect gear transmission and be connected, output gear's side is provided with angle detection mechanism, angle detection mechanism is including detecting the gear, detects gear and output gear meshing and is provided with angular displacement sensor on it.
Preferably, a transition gear is arranged on the side face of the overload gear, the transition gear is in transmission connection with the reduction gear and the overload gear simultaneously, and the transition gear is arranged in the gear reduction box through a groove.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the gear reduction box is internally provided with a plurality of grooves, and the reduction gears are arranged in the grooves, so that the fixed installation is convenient; the output shaft is in transmission connection with the display base through the connecting gear, and meanwhile, the overload protection and angle detection mechanism is arranged on the output shaft, so that the motor and the display base can be disconnected when the moment is overlarge, and the motor or the display is prevented from being damaged; the angle detection mechanism can detect and record the rotation angle of the output shaft, so that the rotation angle of the display is ensured to be in a proper range, and the damage of the motor or the display is avoided;
2. the plurality of connected circular grooves are formed in the gear reduction box, and meanwhile, the depths of the adjacent circular grooves are different, so that the reduction gears can be conveniently fixed, and meanwhile, the reduction gears with different heights can be conveniently connected in a transmission manner; the bottom plate and the top plate can limit the position of the reduction gear in the box body, so that the reduction gear is prevented from moving;
3. two ends of the output shaft are respectively fixed at the box body and the top plate through bearings, so that the output shaft is convenient to install and fix; simultaneously, the two ends of the output shaft are fixed, so that stable transmission is ensured;
4. the overload gear, the thrust bearing and the friction plate are arranged on the output shaft, and the overload gear can be pressed to the output shaft to rotate synchronously by combining the adjusting bolt, and the overload gear is in transmission connection with the reduction gear, so that the reduction gear drives the output shaft to rotate; when the rotation moment is overlarge, the overload gear is separated from the output shaft, so that an overload protection effect is achieved; the adjusting bolt can adjust the pressure among the thrust bearing, the friction plate and the overload gear, so as to control the rotation moment during overload;
5. through setting up output gear and the detection gear who is connected with output gear drive in the lower part of output shaft, can detect the rotation angle of output shaft and record through angular displacement sensor, ensure that the display rotates in suitable angle range, avoid the display rotation angle too big when starting next time to lead to impaired.
Drawings
FIG. 1 is a schematic view of a motor for a vehicle-mounted display;
FIG. 2 is an exploded view of a motor for an in-vehicle display;
FIG. 3 is an exploded view of the motor for the in-vehicle display from another perspective;
FIG. 4 is a schematic view of the structure of the case with the top plate removed;
FIG. 5 is a schematic view of the structure of the case;
fig. 6 is a schematic structural view of the output shaft.
Reference numerals illustrate: 1. a gear reduction box; 101. a case; 102. a bottom plate; 103. a top plate; 2. a motor; 3. an output shaft; 4. a reduction gear; 5. a connecting gear; 6. overload protection; 601. an overload gear; 602. a thrust bearing; 603. a friction plate; 604. an adjusting nut; 7. an angle detection mechanism; 701. detecting a gear; 8. an output gear; 9. a transition gear.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a motor for a vehicle-mounted display.
Referring to fig. 1 to 6, a motor for a vehicle-mounted display comprises a gear reduction box 1, and a motor 2 and an output shaft 3 which are connected to the gear reduction box 1, wherein the motor 2 and the output shaft 3 are both arranged perpendicular to the gear reduction box 1, the motor 2 and the output shaft 3 are positioned on the same side of the gear reduction box 1, a plurality of grooves are formed in the gear reduction box 1, a reduction gear 4 is arranged in each groove, specifically, the gear reduction box 1 comprises a box body 101, a bottom plate 102 and a top plate 103, grooves are formed in the box body 101, the grooves are a plurality of connected circular grooves, the depths of the adjacent circular grooves are unequal, the reduction gears 4 are arranged in the circular grooves through fixed shafts, and the bottom plate 102 and the top plate 103 limit the reduction gears 4; the motor 2 is in transmission connection with the output shaft 3 through a plurality of reduction gears 4, one end of the output shaft 3 is fixed in the box body 101 through a bearing, and the other end of the output shaft 3 penetrates through the box body 101 and is fixed through a bearing arranged on the top plate 103, so that the output shaft is convenient to install and fix; simultaneously, the two ends of the output shaft are fixed, so that stable transmission is ensured;
referring to fig. 1 to 3, a connecting gear 5 is disposed on an output shaft 3 and is in transmission connection with a display base through the connecting gear 5, specifically, one end of a box 101 in the embodiment is provided with a groove, a motor 2 is connected in the groove, two rings are disposed at the other end of the box 101, an annular protrusion is disposed on a side face of the connecting gear 5, the connecting gear is clamped between the two rings through the annular protrusion, the display base is clamped between the two rings and is in transmission connection with the connecting gear 5, and an overload protection mechanism 6 and an angle detection mechanism 7 are disposed on the output shaft 3.
Referring to fig. 2 to 6, the overload protection 6 includes an overload gear 601 sleeved on the output shaft 3, the overload gear 601 is in transmission connection with the reduction gear 4, a boss is arranged on the output shaft 3, one side of the overload gear 601 is attached to the boss, in particular, an annular gasket is arranged between the overload gear 601 and the boss, a thrust bearing 602 and a friction plate 603 are arranged on the other side of the overload gear 601, the friction plate 603 includes a plurality of annular plates with raised middle parts, the adjacent annular gaskets are oppositely arranged, a certain adjusting space is ensured, and the adjustment of the torque by an adjusting nut 604 is facilitated; the side surface of the friction plate 603 is provided with an adjusting nut 604, and the adjusting nut 604 is in threaded connection with the upper part of the output shaft 3;
referring to fig. 6, the lower portion transmission of the output shaft 3 is connected with an output gear 8, specifically, the output gear 8 in this embodiment is integrally set with the output shaft 3, the output gear 8 is in transmission connection with the connection gear 5, the side of the output gear 8 is provided with an angle detection mechanism 7, the angle detection mechanism 7 comprises a detection gear 701, the detection gear 701 is meshed with the output gear 8 and is provided with an angular displacement sensor thereon, a circuit module is further arranged on the angle detection mechanism 7, the data of the angular displacement sensor can be recorded, the display is ensured to rotate within a proper angle range, and damage caused by overlarge rotation angle of the display when the display is started next time is avoided: the side of the overload gear 601 is provided with a transition gear 9, the transition gear 9 is in transmission connection with the reduction gear 4 and the overload gear 601 at the same time, the transition gear 9 is arranged in the gear reduction box 1 through a groove, and specifically, the transition gear 9 in the embodiment is located above the angle detection mechanism 7.
The implementation principle is as follows: an output shaft of the motor 2 stretches into the box body 101, after the motor 2 is opened, the output shaft transmits power to the transition gear 601 after being driven by the multi-stage reduction gear, the transition gear 601 is tightly attached to a boss on the output shaft 3 under the action of the adjusting nut 604, the friction plate 603 and the thrust bearing 602, the transition gear 601 can transmit a rotating moment to the output shaft 3, the output shaft 3 drives an output gear 8 at the lower part of the output shaft to rotate, and the output gear 8 drives a display base to rotate through the connecting gear 5 to finish adjustment; the output gear 8 rotates and synchronously rotates with a detection gear 701 in transmission connection with the output gear 8, and an angular displacement sensor connected with the detection gear 701 records the rotation angle; when the angle of the display is manually adjusted, the display base drives the connecting gear 5 to rotate so as to drive the output gear 8 to rotate, the detection gear 701 also rotates and records the rotation angle, and the damage caused by the excessive rotation of the motor 2 in the next adjustment is avoided;
when the angle is adjusted, the rotation moment output by the motor 2 is transmitted to the overload gear 601 through the reduction gear 4 and the transition gear 9, and when the rotation moment of the transition gear 9 is larger than the friction moment of the overload protection 6, the overload gear 601 is separated from the output shaft 3 to play a role in overload protection; when the rotation moment of the transition gear 9 is smaller than the friction moment of the overload protection 6, the overload gear 601 rotates along with the output shaft 3, and the output shaft 3 drives the overload gear to realize the angle adjustment of the display; similarly, the manual angle adjustment from the display end can realize overload protection through the friction torque between the output shaft 3 and the overload gear 601, when the manual rotation torque is overlarge, the overload gear 601 is separated from the output shaft 3 to protect the motor 2, and meanwhile, an angular displacement sensor on the detection gear 701 can record the rotation angle to avoid excessive rotation of the motor 2 in the next adjustment;
the overload protection 6 in this embodiment can be an adjustment of the friction torque of the overload protection 6 by tightening or screwing the adjusting bolt 604.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. A motor for a vehicle-mounted display, characterized in that: including gear reduction box (1) and motor (2) and output shaft (3) of connection on gear reduction box (1), be provided with a plurality of recesses and be provided with gear reduction (4) in the recess in gear reduction box (1), motor (2) are connected with output shaft (3) transmission through gear reduction (4), are provided with connecting gear (5) on output shaft (3) and are connected with the display base transmission through connecting gear (5), are provided with overload protection (6) and angle detection mechanism (7) on output shaft (3).
2. The motor for an in-vehicle display apparatus as claimed in claim 1, wherein: the motor (2) and the output shaft (3) are both perpendicular to the gear reduction box (1), and the motor (2) and the output shaft (3) are located on the same side of the gear reduction box (1).
3. The motor for an in-vehicle display apparatus as claimed in claim 1, wherein: the gear reduction box (1) comprises a box body (101), a bottom plate (102) and a top plate (103), wherein grooves are formed in the box body (101), the grooves are a plurality of connected circular grooves, the depths of the adjacent circular grooves are different, the reduction gears (4) are arranged in the circular grooves through fixed shafts, and the bottom plate (102) and the top plate (103) limit the reduction gears (4).
4. A motor for an in-vehicle display as claimed in claim 3, characterized in that: one end of the output shaft (3) is fixed in the box body (101) through a bearing, and the other end of the output shaft (3) penetrates through the box body (101) and is fixed through a bearing arranged on the top plate (103).
5. The motor for an in-vehicle display apparatus as claimed in claim 1, wherein: overload protection (6) are including the cover establish overload gear (601) on output shaft (3), overload gear (601) with reduction gear (4) transmission is connected, is provided with boss and one side laminating boss setting of overload gear (601) on output shaft (3), and the opposite side of overload gear (601) is provided with thrust bearing (602) and friction disc (603), and friction disc (603) side is provided with adjusting nut (604), and adjusting nut (604) and the upper portion threaded connection of output shaft (3).
6. The motor for an in-vehicle display apparatus according to claim 5, wherein: the friction plate (603) comprises a plurality of annular plates with raised middle parts, and adjacent annular gaskets are oppositely arranged.
7. The motor for an in-vehicle display apparatus according to claim 5, wherein: the lower part transmission of output shaft (3) is connected with output gear (8), output gear (8) with connecting gear (5) transmission is connected, the side of output gear (8) is provided with angle detection mechanism (7), angle detection mechanism (7) are including detecting gear (701), detect gear (701) and output gear (8) meshing and be provided with angular displacement sensor on it.
8. The motor for an in-vehicle display apparatus as claimed in claim 7, wherein: the side of overload gear (601) is provided with transition gear (9), and transition gear (9) are connected with gear reduction (4) and overload gear (601) transmission simultaneously, and transition gear (9) are in through the recess setting in gear reduction box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321147043.3U CN220122729U (en) | 2023-05-12 | 2023-05-12 | Motor for vehicle-mounted display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321147043.3U CN220122729U (en) | 2023-05-12 | 2023-05-12 | Motor for vehicle-mounted display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220122729U true CN220122729U (en) | 2023-12-01 |
Family
ID=88890658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321147043.3U Active CN220122729U (en) | 2023-05-12 | 2023-05-12 | Motor for vehicle-mounted display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220122729U (en) |
-
2023
- 2023-05-12 CN CN202321147043.3U patent/CN220122729U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |