CN216356331U - Speed reduction motor device - Google Patents
Speed reduction motor device Download PDFInfo
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- CN216356331U CN216356331U CN202120744307.8U CN202120744307U CN216356331U CN 216356331 U CN216356331 U CN 216356331U CN 202120744307 U CN202120744307 U CN 202120744307U CN 216356331 U CN216356331 U CN 216356331U
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Abstract
The application relates to a gear motor device, including: a housing; the speed reducing mechanism comprises a plurality of transmission gear sets and an output shaft, the transmission gear sets are connected with the output shaft, one end of the output shaft is connected with the working head, and the transmission gear sets are matched with each other to reduce the rotating speed of the working head; the high-speed motor is arranged in the shell and comprises a stator, a rotor and a rotating shaft, the rotor is positioned in the stator, the rotating shaft penetrates through the rotor and is connected with the speed reducing mechanism, and the rotating shaft drives the speed reducing mechanism to rotate. The beneficial effect of this application lies in: the problems that the motor is high in rotating speed and small in torque, cannot be applied to scenes with heavy working conditions and is not attractive can be solved.
Description
Technical Field
The application relates to the technical field of electric tools, in particular to a speed reduction motor device.
Background
At present, the motor has the advantages of high energy, high conversion efficiency, energy conservation, environmental protection and the like, thereby being widely applied to industrial production and life. Generally, the motor has a high rotation speed, and its torque becomes small, so that the operation efficiency is lowered in a heavy-duty situation. Therefore, in order to obtain an appropriate output rotation speed, the motor needs to be decelerated.
The motor is generally decelerated by using a common decelerator, but the installation of the decelerator occupies space and affects the aesthetic property, so that the prior art needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a gear motor device, can solve motor speed height, the torque is little, can not be applied to the scene of heavy operating mode and not aesthetic problem.
In order to achieve the purpose, the application provides the following technical scheme:
provided is a reduction motor device including:
a housing;
the speed reducing mechanism comprises a plurality of transmission gear sets and an output shaft, the transmission gear sets are connected with the output shaft, one end of the output shaft is connected with the working head, and the transmission gear sets are matched with each other to reduce the rotating speed of the working head;
the high-speed motor is installed in the shell and comprises a stator, a rotor and a rotating shaft, the rotor is located in the stator, the rotating shaft penetrates through the rotor and is connected with the speed reducing mechanism, and the rotating shaft drives the speed reducing mechanism to rotate.
Optionally, the number of the high-speed motors is one, and the transmission gear set is a planetary gear train.
Optionally, the planetary gear train includes a ring gear, the sun gear is located at a central position of the ring gear and is connected with the rotating shaft, and a plurality of the planet gears are respectively engaged with the ring gear and the sun gear.
Optionally, the planetary gear train further comprises a plurality of cylindrical pins, each of the cylindrical pins rotatably supporting one of the planetary gears, the planetary gears rotating about the central axis of the cylindrical pins.
Optionally, the planetary gear train further comprises a planet carrier, the planet carrier is fixedly connected with the plurality of cylindrical pins, and the planet carrier rotates around the rotating shaft along with the plurality of planetary gears.
Optionally, the central axis of the rotating shaft overlaps the central axis of the output shaft.
Optionally high speed motor's quantity is a plurality of, the gear motor device still includes main rotation axis, main rotation axis with the rotation axis is parallel and do not coincide, drive gear group includes a plurality of pinions and a gear wheel, the gear wheel respectively with a plurality of pinion engagement, main rotation axis with gear wheel fixed connection.
Optionally, the number of the rotating shafts is multiple, and each rotating shaft is fixedly connected with the pinion.
Optionally, the high speed motor has a speed of 3.5 to 6 thousand revolutions per minute.
Optionally, the housing includes a locating portion having an outwardly extending opening in which the output shaft is mounted, the locating portion being for locating the reduction mechanism within the housing.
The beneficial effect of this application lies in:
1. the rotating speed of the motor is reduced through the speed reducing mechanism, the torque is improved, and the motor can be suitable for heavy working conditions.
2. The high-speed motor is used, and under the condition of the same power, the volume is reduced, and the carrying is convenient.
3. The high-speed motor and the reduction mechanism are integrally designed, so that the high-speed motor is accurately positioned in the shell, and the attractiveness is improved.
The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clear and clear, and to implement the technical solutions according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a reduction motor apparatus according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a reduction motor apparatus according to another embodiment of the present application.
Wherein: 100-gear motor device, 1-shell, 11-positioning part, 111-opening, 2-high speed motor, 21-stator, 22-rotor, 3-gear reduction mechanism, 31-planetary gear system, 311-sun gear, 312-planetary gear, 313-gear ring, 314-planet carrier, 315-cylindrical pin, 316-first bearing, 321-big gear, 322-small gear, 323-second bearing, 33-output shaft, 4-rotating shaft, 5-main rotating shaft, 6-end cover and 61-hollowed part.
Detailed Description
The following detailed description of embodiments of the present application will be described in conjunction with the accompanying drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
Fig. 1 is a schematic diagram of a gear motor apparatus 100 according to a preferred embodiment of the present application, including: a housing 1; the speed reducing mechanism 3 comprises a plurality of transmission gear sets and an output shaft 33, the transmission gear sets are connected with the output shaft 33, one end of the output shaft 33 is connected with a working head (not shown), and the transmission gear sets are matched with each other to reduce the rotating speed of the working head; the high-speed motor 2 is arranged in the shell 1, the high-speed motor 2 comprises a stator 21, a rotor 22 and a rotating shaft 4, the rotor 22 is located in the stator 21, the rotating shaft 4 penetrates through the rotor 22 and is connected with the speed reducing mechanism 3, the rotating shaft 4 drives the speed reducing mechanism 3 to rotate, and the rotating speed of the high-speed motor 2 is 3.5-6 thousands of revolutions per minute. The speed reduction motor device 100 reduces the rotating speed of the high-speed motor 2 through the speed reduction mechanism 3, improves the torque, and is suitable for heavy working conditions.
The housing 1 includes a positioning portion 11 thereon, the positioning portion 11 having an opening 111 extending outward, the output shaft 33 being mounted in the opening 111, the positioning portion 11 being used to position the reduction mechanism 3 in the housing 1. Specifically, as shown in fig. 1, the opening 11 is provided on the side of the housing 1 having the output shaft 33. So set up, be favorable to reduction gears 3 to be fixed a position in shell 1 to the accuracy to guarantee that reduction gears 3 atress is stable. Of course, in other embodiments, the positioning portion 11 may be provided otherwise, and the present application does not limit this.
In a specific implementation scenario, a single high-speed motor 2 may be used to drive the power tool to rotate, or two or more high-speed motors 2 may be used to drive the power tool to rotate simultaneously or alternatively.
In one embodiment, the number of high speed motors 2 is one. At this time, the transmission gear set is the planetary gear train 31. The planetary gear train 31 includes a plurality of planetary gears 312 and a sun gear 311, and the plurality of planetary gears 312 are disposed around the sun gear 311. The planetary gear 31 further includes a ring gear 313, the sun gear 311 is located at a center of the ring gear 313, the sun gear 311 is connected to the rotating shaft 4, and the plurality of planet gears 312 are respectively engaged with the ring gear 313 and the sun gear 311. Planetary gear 31 further includes a plurality of cylindrical pins 315 and a planet carrier 314, each of the cylindrical pins 315 rotatably supports one of the planetary gears 312, the planetary gears 312 rotate around the central axes of the cylindrical pins 315, and the planet carrier 314 is fixedly connected to the plurality of cylindrical pins 315 and rotates around the rotation axis 4 following the plurality of planetary gears 312. Wherein the center axis of the rotating shaft 4 overlaps the center axis of the output shaft 33.
The operation principle of the reduction motor device 100 is as follows: when the high-speed motor 2 rotates, the rotating shaft 4 transmits a rotating force to the sun gear 311 so that the sun gear 311 rotates, the sun gear 311 drives the plurality of planet gears 312 combined with the planet carrier 314 to rotate along the respective cylindrical pins 315 and revolve around the rotating shaft 4 along the inner tooth wall of the ring gear 313, and the output shaft 33 connected with the planet carrier 314 achieves the purpose of reducing the speed through the mutual matching among the components in the speed reducing mechanism 3.
In order to ensure that the reduction mechanism 3 can be more stably mounted in the housing 1, in one embodiment, first bearings 316 are mounted on upper and lower ends of the carrier 314.
As shown in fig. 2, in another embodiment, the number of high-speed motors 2 is plural, the number of rotating shafts 4 is also plural, and reduction motor apparatus 100 further includes main rotating shaft 5, and main rotating shaft 5 is parallel to and does not coincide with rotating shafts 4. At this time, the transmission gear set includes a plurality of small gears 322 and a large gear 321, the large gear 321 is respectively engaged with the plurality of small gears 322, the main rotating shaft 5 is fixedly connected with the large gear 321, and each rotating shaft 4 is respectively fixedly connected with the small gear 322.
The operation principle of the reduction motor device 100 is as follows: the high-speed motors 2 are each provided in an even number and are respectively located on both sides of the main rotating shaft 5. Taking the number of the high-speed motors 2 as two as an example, when the high-speed motors 2 rotate, the rotation directions of the two high-speed motors 2 are opposite, the two high-speed motors 2 with opposite rotation directions rotate simultaneously to enable the rotating shaft 4 connected with the two high-speed motors to transmit rotating force to the small gear 322, the two small gears 322 rotating in opposite directions drive the large gear 321 meshed with the small gear to rotate, so as to drive the output shaft 33 connected with the large gear 321 to rotate, and the large gear 321 is matched with the small gears 322 to enable the output shaft 33 to achieve the purpose of speed reduction.
In order to ensure that the reduction mechanism 3 can be more stably mounted in the housing 1, in one embodiment, a second bearing 323 is mounted at one end of the large gear 321 near the output end.
In order to ensure that the high-speed motor 2 can be more stably installed in the housing 1, in one embodiment, an end cover 6 is installed between the high-speed motor 2 and the speed reducing mechanism 3, the end cover 6 is provided with a hollow part 61, and the rotating shaft 4 penetrates out of the hollow part 61 and is connected with the speed reducing mechanism 3.
To sum up, this application provides a gear motor device, reasonable in design, compact structure includes: the speed reducing mechanism comprises a plurality of transmission gear sets; through the mutual cooperation of a plurality of drive gear groups for the rotational speed of motor reduces, and the torque improves, can be applicable to the scene of heavy operating mode.
The high-speed motor is used, and under the condition of the same power, the volume is reduced, and the carrying is convenient.
The high-speed motor and the reduction mechanism are integrally designed, so that the high-speed motor is accurately positioned in the shell, and the attractiveness is improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A gear motor apparatus, comprising:
a housing;
the speed reducing mechanism comprises a plurality of transmission gear sets and an output shaft, the transmission gear sets are connected with the output shaft, one end of the output shaft is connected with the working head, and the transmission gear sets are matched with each other to reduce the rotating speed of the working head;
the high-speed motor is installed in the shell and comprises a stator, a rotor and a rotating shaft, the rotor is located in the stator, the rotating shaft penetrates through the rotor and is connected with the speed reducing mechanism, and the rotating shaft drives the speed reducing mechanism to rotate.
2. The reduction motor apparatus according to claim 1, wherein the number of the high-speed motors is one, and the transmission gear train is a planetary gear train.
3. The reduction motor apparatus according to claim 2, wherein the planetary gear train includes a ring gear, a sun gear and a plurality of planetary gears, the sun gear being located at a central position of the ring gear and the sun gear being connected to the rotating shaft, the plurality of planetary gears being engaged with the ring gear and the sun gear, respectively.
4. The gearmotor apparatus of claim 3, wherein the planetary gear train further comprises a plurality of cylindrical pins, each cylindrical pin rotatably supporting one of the planet gears, the planet gears rotating about a central axis of the cylindrical pin.
5. The gear motor apparatus of claim 4, wherein the planetary gear train further comprises a planet carrier fixedly connected to the plurality of cylindrical pins, the planet carrier rotating about the axis of rotation following the plurality of planetary gears.
6. The reduction motor apparatus according to claim 1, wherein the center axis of the rotating shaft overlaps with the center axis of the output shaft.
7. The gear motor device according to claim 1, wherein the number of the high-speed motors is plural, the gear motor device further comprises a main rotating shaft, the main rotating shaft is parallel to and does not coincide with the rotating shaft, the transmission gear set comprises a plurality of pinions and a bull gear, the bull gear is respectively engaged with the plurality of pinions, and the main rotating shaft is fixedly connected with the bull gear.
8. The gear motor device according to claim 7, wherein the number of the rotating shafts is plural, and each of the rotating shafts is fixedly connected to the pinion gear.
9. The reduced speed motor apparatus according to claim 1, wherein the high speed motor has a rotational speed of 3.5 to 6 ten thousand revolutions per minute.
10. The reduction motor apparatus according to claim 1, wherein the housing includes a positioning portion having an opening extending outward, the output shaft being mounted in the opening, the positioning portion being used to position the reduction mechanism in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120744307.8U CN216356331U (en) | 2021-04-13 | 2021-04-13 | Speed reduction motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120744307.8U CN216356331U (en) | 2021-04-13 | 2021-04-13 | Speed reduction motor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216356331U true CN216356331U (en) | 2022-04-19 |
Family
ID=81128104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120744307.8U Active CN216356331U (en) | 2021-04-13 | 2021-04-13 | Speed reduction motor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216356331U (en) |
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2021
- 2021-04-13 CN CN202120744307.8U patent/CN216356331U/en active Active
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