CN220523258U - Motor transmission mechanism of rolling door - Google Patents
Motor transmission mechanism of rolling door Download PDFInfo
- Publication number
- CN220523258U CN220523258U CN202322279823.XU CN202322279823U CN220523258U CN 220523258 U CN220523258 U CN 220523258U CN 202322279823 U CN202322279823 U CN 202322279823U CN 220523258 U CN220523258 U CN 220523258U
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- planetary gear
- reduction mechanism
- gear reduction
- motor
- final
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- 230000007246 mechanism Effects 0.000 title claims abstract description 79
- 230000005540 biological transmission Effects 0.000 title claims abstract description 34
- 238000005096 rolling process Methods 0.000 title claims abstract description 11
- 239000000969 carrier Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
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Abstract
The utility model discloses a rolling door motor transmission mechanism, which comprises a motor, a gearbox and a power output shaft, wherein a rotor shaft of the motor is in driving connection with the power output shaft through the gearbox; the gearbox comprises an inner gear sleeve, a primary planetary gear reduction mechanism and a final planetary gear reduction mechanism which are arranged in the inner gear sleeve; the primary planetary gear reduction mechanism is in transmission connection with the final planetary gear reduction mechanism; the rotor shaft of the motor is in transmission connection with the primary planetary gear reduction mechanism, and the planet carrier of the final planetary gear reduction mechanism is in transmission connection with the power output shaft; the motor also comprises a power support shaft which is coaxially and rotatably connected with the rotor shaft of the motor, the planet carrier of the primary planetary gear reduction mechanism and the planet carrier of the final planetary gear reduction mechanism. The planet carrier of the utility model does not deflect, the transmission is balanced, the planet wheel does not jump teeth or misplacement, and the transmission sound is small.
Description
Technical Field
The utility model relates to a motor transmission mechanism of a rolling door.
Background
The existing rolling door motor transmission mechanism comprises a motor, a gearbox and a power output shaft, wherein a rotor shaft of the motor is in driving connection with the power output shaft through the gearbox. The gearbox comprises a multistage sun gear, a planet wheel, a planet carrier and a planet gear reducer consisting of an inner gear sleeve. One end face of the planet carrier is provided with a planet wheel shaft, the planet wheels are respectively and rotatably assembled on the planet wheel shaft, the planet wheels are in meshed transmission connection with the inner gear sleeve, and the other end face of the planet carrier is coaxially provided with a sun wheel. The rotor shaft of the motor is in transmission connection with the primary sun gear, and the final stage planet carrier is in driving connection with the power output shaft. In the gear transmission process of the multistage planetary gears and the sun gears, due to factors such as gear gaps, transmission noise is large, the planet carrier is easy to swing, and transmission is unstable.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a motor transmission mechanism of a rolling door.
The technical scheme adopted for solving the technical problems is as follows:
a rolling door motor transmission mechanism comprises a motor, a gearbox and a power output shaft, wherein a rotor shaft of the motor is in driving connection with the power output shaft through the gearbox; the gearbox comprises an inner gear sleeve, a primary planetary gear reduction mechanism and a final planetary gear reduction mechanism which are arranged in the inner gear sleeve; the primary planetary gear reduction mechanism is in transmission connection with the final planetary gear reduction mechanism; the rotor shaft of the motor is in transmission connection with the primary planetary gear reduction mechanism, and the planet carrier of the final planetary gear reduction mechanism is in transmission connection with the power output shaft; the motor also comprises a power support shaft which is coaxially and rotatably connected with the rotor shaft of the motor, the planet carrier of the primary planetary gear reduction mechanism and the planet carrier of the final planetary gear reduction mechanism.
In another preferred embodiment, the gearbox further comprises at least one set of secondary planetary gear reduction mechanisms connected between the primary planetary gear reduction mechanism and the final planetary gear reduction mechanism.
In another preferred embodiment, a first blind hole is formed in the tail end face of the rotor shaft of the motor, a second blind hole is formed in one end face of the planet carrier of the final planetary gear speed reducing mechanism, and a middle hole is formed in the planet carrier of the primary planetary gear speed reducing mechanism; the two ends of the power support shaft are respectively supported and rotatably connected between the first blind hole and the second blind hole, and the middle support of the power support shaft is rotatably connected in the middle hole.
In another preferred embodiment, the rotor shaft of the motor is sleeved with a sun gear which is in driving connection with the planet gears of the primary planetary gear reduction mechanism.
In a further preferred embodiment, an external ring gear is provided on the rotor shaft of the motor, which external ring gear is in driving connection with the planetary gears of the primary planetary gear reduction mechanism.
In another preferred embodiment, the power take-off shaft is fixedly connected to the planet carrier of the final planetary gear reduction mechanism.
In another preferred embodiment, there are three planets of the primary planetary reduction mechanism or three planets of the final planetary reduction mechanism.
The planetary gear speed reducing mechanism has the beneficial effects that the power support shaft is connected between the rotor shaft and the power output shaft of the motor, the planetary carriers of the planetary gear speed reducing mechanisms at all levels are coaxially and rotatably connected, the planetary carriers do not deflect, the transmission is balanced, the planetary gears do not jump teeth and are dislocated, and the transmission sound is small.
The utility model is described in further detail below with reference to the drawings and examples; the motor drive mechanism of the rolling door is not limited to the embodiment.
Drawings
FIG. 1 is a schematic cross-sectional view of a motor drive mechanism for a roller door according to a preferred embodiment of the present utility model.
Detailed Description
Embodiment, referring to fig. 1, a rolling door motor transmission mechanism of the present utility model includes a motor 1, a gearbox, and a power output shaft 3, wherein a rotor shaft 11 of the motor 1 is in driving connection with the power output shaft 3 through the gearbox.
The gearbox comprises an inner gear sleeve 21 and a three-stage planetary gear reduction mechanism arranged in the inner gear sleeve 21, wherein the three-stage planetary gear reduction mechanism is a primary planetary gear reduction mechanism, a secondary planetary gear reduction mechanism and a final planetary gear reduction mechanism respectively, and the secondary planetary gear mechanism can be omitted as required by adjusting the rotation speed ratio; in each stage of planetary gear speed reducing mechanism, one end face of the planet carrier is provided with three planetary wheel shafts, the three planetary wheels are respectively and rotatably assembled on the planetary wheel shafts, and the planetary wheels are in meshed transmission connection with the inner gear sleeve; the number of planets is not limited to three. The other end face of the primary carrier 221 of the primary planetary gear reduction mechanism and the other end face of the secondary carrier 231 of the secondary planetary gear reduction mechanism are coaxially fixed with sun gears, respectively, and the other end face of the final carrier 241 of the final planetary gear reduction mechanism is coaxially fixed with the power output shaft 3.
In this embodiment, the rotor shaft 11 of the motor 1 is sleeved with a sun gear 12, and the sun gear 12 is in transmission connection with the primary planet gear 222 of the primary planetary gear speed reduction mechanism. In other embodiments, the outer ring gear of the primary planet wheel in driving connection with the primary planetary gear reduction mechanism may be provided directly on the rotor shaft 11 of the motor.
The present embodiment further includes a power support shaft 4, the power support shaft 4 coaxially rotatably connecting the rotor shaft 11 of the motor, the primary carrier 221 of the primary planetary gear reduction mechanism, the secondary carrier 231 of the secondary planetary gear reduction mechanism, and the final carrier 241 of the final planetary gear reduction mechanism.
As shown, the end face of the rotor shaft 11 of the motor 1 is provided with a first blind hole 13, the first end of the power support shaft 4 being adapted to be rotatably connected in said first blind hole 13. One end surface of the final stage planetary gear reduction mechanism 241 is provided with a second blind hole 2411, and a second end of the power support shaft 4 is adapted to be rotatably connected in the second blind hole 2411. The primary planet carrier 221 of the primary planetary gear reduction mechanism and the secondary planet carrier 231 of the secondary planetary gear reduction mechanism are respectively provided with a middle hole, and the middle support of the power support shaft 4 is rotatably connected in the middle holes.
The inner gear sleeve 21 of the embodiment is arranged on the front end cover 11 of the motor 1 and the end cover 25 of the gearbox to form concentricity; the rotor shaft 11 is arranged on a front end cover 14 and a rear end cover 15 of the motor 1 to form a coaxial and concentric structure; the power output shaft 4 is arranged on an end cover 25 of the gearbox, and the planetary gears are arranged on the power output shaft 3 and meshed with the inner gear sleeve 21 in a tooth manner for transmission.
In the embodiment, a first blind hole is formed in a rotor shaft of a motor, a second blind hole is formed in one end face of a planet carrier of a final-stage planetary gear reduction mechanism, a hole pair hole is formed, intermediate holes are formed in a primary planetary gear reduction mechanism and a secondary planetary gear reduction mechanism, a power support shaft is connected between the two blind holes in a penetrating mode, concentricity is guaranteed, the planet carrier is enabled to not swing, transmission is balanced, a planet wheel does not jump teeth or misplacement, and transmission sound is small.
The above embodiment is only used for further illustrating a rolling door motor driving mechanism of the present utility model, but the present utility model is not limited to the embodiment, and any simple modification, equivalent variation and modification of the above embodiment according to the technical substance of the present utility model falls within the protection scope of the technical solution of the present utility model.
Claims (7)
1. A rolling door motor transmission mechanism is characterized in that: the motor comprises a motor, a gearbox and a power output shaft, wherein a rotor shaft of the motor is in driving connection with the power output shaft through the gearbox; the gearbox comprises an inner gear sleeve, a primary planetary gear reduction mechanism and a final planetary gear reduction mechanism which are arranged in the inner gear sleeve; the primary planetary gear reduction mechanism is in transmission connection with the final planetary gear reduction mechanism; the rotor shaft of the motor is in transmission connection with the primary planetary gear reduction mechanism, and the planet carrier of the final planetary gear reduction mechanism is in transmission connection with the power output shaft; the motor also comprises a power support shaft which is coaxially and rotatably connected with the rotor shaft of the motor, the planet carrier of the primary planetary gear reduction mechanism and the planet carrier of the final planetary gear reduction mechanism.
2. A roller door motor drive as defined in claim 1, wherein: the gearbox further includes at least one set of secondary planetary gear reduction mechanisms coupled between the primary planetary gear reduction mechanism and the final planetary gear reduction mechanism.
3. A roller door motor drive as defined in claim 1, wherein: the end face of the rotor shaft of the motor is provided with a first blind hole, one end face of the planet carrier of the final-stage planetary gear reduction mechanism is provided with a second blind hole, and the planet carrier of the primary planetary gear reduction mechanism is provided with a middle hole; the two ends of the power support shaft are respectively supported and rotatably connected between the first blind hole and the second blind hole, and the middle support of the power support shaft is rotatably connected in the middle hole.
4. A roller door motor drive as defined in claim 1, wherein: the rotor shaft of the motor is sleeved with a sun gear, and the sun gear is in transmission connection with a planetary gear of the primary planetary gear speed reducing mechanism.
5. A roller door motor drive as defined in claim 1, wherein: an outer gear ring is arranged on a rotor shaft of the motor, and the outer gear ring of the rotor shaft is in transmission connection with a planetary gear of the primary planetary gear speed reduction mechanism.
6. A roller door motor drive as defined in claim 1, wherein: the power output shaft is fixedly connected to a planet carrier of the final planetary gear speed reduction mechanism.
7. A roller door motor drive as defined in claim 1, wherein: the number of the planetary gears of the primary planetary gear speed reducing mechanism is three, or the number of the planetary gears of the final planetary gear speed reducing mechanism is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322279823.XU CN220523258U (en) | 2023-08-24 | 2023-08-24 | Motor transmission mechanism of rolling door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322279823.XU CN220523258U (en) | 2023-08-24 | 2023-08-24 | Motor transmission mechanism of rolling door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220523258U true CN220523258U (en) | 2024-02-23 |
Family
ID=89939524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322279823.XU Active CN220523258U (en) | 2023-08-24 | 2023-08-24 | Motor transmission mechanism of rolling door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220523258U (en) |
-
2023
- 2023-08-24 CN CN202322279823.XU patent/CN220523258U/en active Active
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