CN211405754U - Coaxial forward and reverse rotation display disc driving device - Google Patents
Coaxial forward and reverse rotation display disc driving device Download PDFInfo
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- CN211405754U CN211405754U CN202020183750.8U CN202020183750U CN211405754U CN 211405754 U CN211405754 U CN 211405754U CN 202020183750 U CN202020183750 U CN 202020183750U CN 211405754 U CN211405754 U CN 211405754U
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- gear
- gear shaft
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- middle partition
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Abstract
The utility model relates to a coaxial positive and negative rotation display disc driving device, which comprises a motor box, a box cover and a driving motor arranged in the motor box, wherein the middle part in the motor box is also provided with a middle clapboard; a first gear shaft is arranged between the upper surface of the middle partition plate and the box cover, and a gear of the first gear shaft is positioned at the bottom of the shaft and is meshed with the main gear; a second gear shaft is arranged on the periphery of the first gear shaft through a first bearing; a driven gear is also arranged between the upper surface of the middle clapboard and the box cover and is simultaneously meshed with the gears of the main gear and the second gear shaft. The utility model discloses simple structure, compactness, occupation space is little, equipment and simple to operate, and the cost is also lower, and gear drive just reverses and has the characteristics that the moment of torsion is big, can realize that the coaxial heavy object that drives demonstrates just reversing on the show dish.
Description
The technical field is as follows:
the utility model relates to the technical field of watch or ornament display devices, in particular to a coaxial forward and reverse rotation display disc driving device.
Background art:
wrist-watch is sold at sales counter of market, exclusive shop etc., during the show, often can use the display device of carousel formula, current show carousel generally is a single carousel, use a motor to drive, in order to strengthen the bandwagon effect, also some carousel that adopt coaxial arrangement, annular carousel etc. demonstrate, however they need the motor to control and drive respectively usually, perhaps need comparatively complicated drive mechanism to carry out the transmission, whole device is bulky, occupation space is big, the installation is inconvenient and with high costs.
The utility model has the following contents:
the utility model aims at overcoming the weak point of current product, provide a coaxial just reversal show dish drive arrangement.
The utility model adopts the technical proposal that: the utility model provides a coaxial just reversal show dish drive arrangement, this drive arrangement includes a motor box, lid and places the driving motor in the motor box in, wherein: a middle partition plate is also arranged in the middle of the motor box, a driving motor is arranged between the lower surface of the middle partition plate and the bottom surface of the motor box, and an output shaft of the driving motor vertically penetrates out of the middle partition plate upwards and is connected with a driving master gear;
a first gear shaft is arranged between the upper surface of the middle partition plate and the box cover, and a gear of the first gear shaft is positioned at the bottom of the shaft and is meshed with the main gear; a second gear shaft is arranged on the periphery of the first gear shaft through a first bearing, and a gear of the second gear shaft is positioned above the gear of the first gear shaft; a driven gear is also arranged between the upper surface of the middle clapboard and the box cover, the driven gear is simultaneously meshed with the gears of the main gear and the second gear shaft, and the driven gear is not contacted with the gear of the first gear shaft; the first gear shaft and the second gear shaft penetrate out of the box cover, and the upper end portion of the first gear shaft penetrates out of the upper end portion of the second gear shaft.
In the driving device, the bottom end of the first gear shaft is mounted in a bearing hole of the middle partition plate through a first bearing;
in the driving device, the height of the main gear is equal to the sum of the height of the gear of the first gear shaft and the height of the gear of the second gear shaft, and the outer diameter of the gear of the second gear shaft is smaller than that of the gear of the first gear shaft, so that the driven gear can be used for forming two staggered driving gear shafts, and the transmission structure is more compact.
In the driving device, the upper end part of the second gear shaft is also provided with a large flange cover, and the upper end part of the first gear shaft is also provided with a small flange cover;
in the driving device, the driving motor is a stepping motor, the tail end of the driving motor is also provided with a code disc shaft and is connected with a code disc, and correspondingly, a code disc inductor matched with the code disc is arranged on the lower surface of the middle partition plate; the rotating speed or the angle of the driving motor can be better controlled through the code disc inductor and the code disc, so that the requirement of a user is met.
In the driving device, the box cover and the middle partition plate are fixedly connected through the connecting column; the box cover is provided with a through hole for the second gear shaft to penetrate out.
In the driving device, the four corners inside the motor box are provided with the mounting seats for mounting and supporting the middle partition plate.
The utility model discloses simple structure, compactness, occupation space is little, equipment and simple to operate, and the cost is also lower, and gear drive just reverses and has the characteristics that the moment of torsion is big, can realize that the coaxial heavy object that drives on the show dish demonstrates just reversing, obtains better bandwagon effect.
Description of the drawings:
fig. 1 is a schematic exploded view of the present invention;
fig. 2 is a structural diagram of the combined state of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
As shown in fig. 1 and fig. 2, the present embodiment describes a coaxial forward and reverse rotation display disk driving device, which includes a motor box 1, a box cover 11 and a driving motor 2 built in the motor box 1, wherein: a middle partition plate 12 is further arranged in the middle of the motor box 1, the driving motor 2 is installed between the lower surface of the middle partition plate 12 and the bottom surface of the motor box 1, and an output shaft 21 of the driving motor 2 vertically penetrates through the middle partition plate 12 upwards and is connected with the driving main gear 3; correspondingly, the middle partition plate 12 is provided with a shaft hole 121 through which the output shaft 21 passes;
a first gear shaft 4 is arranged between the upper surface of the middle partition plate 12 and the box cover 11, and a gear of the first gear shaft 4 is positioned at the bottom of the shaft and is meshed with the main gear 3; a second gear shaft 5 is arranged on the periphery of the first gear shaft 4 through a bearing group 41, namely the shaft of the second gear shaft 5 is hollow, and the shaft of the first gear shaft 4 penetrates through the second gear shaft 5; the gears of the second gear shaft 5 are positioned above the gears of the first gear shaft 4, are not in contact with each other and have smaller space; a driven gear 31 is arranged between the upper surface of the middle partition plate 12 and the box cover 11, the driven gear 31 is simultaneously meshed with the gears of the main gear 3 and the second gear shaft 5, and the driven gear 31 is not contacted with the gear of the first gear shaft 4; the first gear shaft 4 and the second gear shaft 5 both penetrate out of the box cover 11, and the upper end part of the first gear shaft 4 penetrates out of the upper end part of the second gear shaft 5.
In the driving device, the bottom end of the first gear shaft 4 is mounted in the bearing hole 122 of the middle partition plate 12 through the first bearing 42;
in the driving device, the height of the main gear 3 is equal to the sum of the gear height of the first gear shaft 4 and the gear height of the second gear shaft 5, and the gear outer diameter of the second gear shaft 5 is smaller than the gear outer diameter of the first gear shaft 4, so that the driven gear 31 can be used for driving two gear shafts in a staggered mode, and the transmission structure is more compact.
In the above-mentioned drive device, the upper end of the second gear shaft 5 is also provided with a large flange cover 51, and the upper end of the first gear shaft 4 is also provided with a small flange cover 43;
in the driving device, the driving motor 2 is a stepping motor, the tail end of the driving motor 2 is further provided with a code disc shaft 22 and connected with a code disc 23, and correspondingly, a code disc sensor 24 matched with the code disc 23 is installed on the lower surface of the middle partition plate 12; the rotation speed or angle, the steering and the like of the driving motor 2 can be better controlled through the code disc sensor 24 and the code disc 23, so that the requirements of users are met.
In the driving device, a box cover 11 and a middle partition plate 12 are fixedly connected through three connecting columns 13; the box cover 11 is provided with a through hole 111 for the second gear shaft 5 to pass through.
In the driving device, the mounting seats 14 for mounting and supporting the middle partition plate 12 are arranged at the four corners inside the motor box 1.
When the display device is used, the two display turntables are respectively connected and fixed with the periphery of the upper end part of the first gear shaft 4 and the periphery of the second gear shaft 5, when the main gear 3 rotates under the action of the driving motor 2, on one hand, the main gear 3 directly drives the gear of the first gear shaft 4 to drive the first gear shaft 4 to rotate, on the other hand, the main gear 3 drives the second gear shaft 5 to rotate through the driven gear 31, and the rotating directions of the first gear shaft 4 and the second gear shaft 5 are opposite, so that the turntables respectively driven by the two display turntables can realize forward and reverse rotation and simultaneously operate, and a better display effect is achieved.
The utility model discloses simple structure, compactness, occupation space is little, equipment and simple to operate, and the cost is also lower, and gear drive just reverses and has the characteristics that the moment of torsion is big, can realize that the coaxial heavy object that drives on the show dish demonstrates just reversing, obtains better bandwagon effect.
Claims (7)
1. The utility model provides a coaxial just reversal show dish drive arrangement, this drive arrangement includes a motor box, lid and places the driving motor in the motor box in, its characterized in that: a middle partition plate is also arranged in the middle of the motor box, a driving motor is arranged between the lower surface of the middle partition plate and the bottom surface of the motor box, and an output shaft of the driving motor vertically penetrates out of the middle partition plate upwards and is connected with a driving master gear; a first gear shaft is arranged between the upper surface of the middle partition plate and the box cover, and a gear of the first gear shaft is positioned at the bottom of the shaft and is meshed with the main gear; a second gear shaft is arranged on the periphery of the first gear shaft through a first bearing, and a gear of the second gear shaft is positioned above the gear of the first gear shaft; a driven gear is also arranged between the upper surface of the middle clapboard and the box cover, the driven gear is simultaneously meshed with the gears of the main gear and the second gear shaft, and the driven gear is not contacted with the gear of the first gear shaft; the first gear shaft and the second gear shaft penetrate out of the box cover, and the upper end portion of the first gear shaft penetrates out of the upper end portion of the second gear shaft.
2. The coaxial counter-rotating display disk drive of claim 1, wherein: the bottom end of the first gear shaft is installed in a bearing hole of the middle partition plate through a first bearing.
3. The coaxial counter-rotating display disk drive of claim 1, wherein: the height of the main gear is equal to the sum of the height of the gear of the first gear shaft and the height of the gear of the second gear shaft, and the gear outer diameter of the second gear shaft is smaller than that of the first gear shaft.
4. The coaxial counter-rotating display disk drive of claim 1, wherein: a large flange cover is arranged at the upper end part of the second gear shaft, and a small flange cover is arranged at the upper end part of the first gear shaft.
5. The coaxial counter-rotating display disk drive of claim 1, wherein: the driving motor is a stepping motor, the tail end of the driving motor is also provided with a code disc shaft and is connected with a code disc, and correspondingly, a code disc inductor matched with the code disc is arranged on the lower surface of the middle partition plate.
6. The coaxial counter-rotating display disk drive of claim 1, wherein: the box cover and the middle partition plate are fixedly connected through a connecting column; the box cover is provided with a through hole for the second gear shaft to penetrate out.
7. The coaxial counter-rotating display disk drive of claim 1, wherein: the four corners of the inside of the motor box are provided with mounting seats for mounting and supporting the middle partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020183750.8U CN211405754U (en) | 2020-02-18 | 2020-02-18 | Coaxial forward and reverse rotation display disc driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020183750.8U CN211405754U (en) | 2020-02-18 | 2020-02-18 | Coaxial forward and reverse rotation display disc driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211405754U true CN211405754U (en) | 2020-09-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020183750.8U Active CN211405754U (en) | 2020-02-18 | 2020-02-18 | Coaxial forward and reverse rotation display disc driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211405754U (en) |
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2020
- 2020-02-18 CN CN202020183750.8U patent/CN211405754U/en active Active
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