CN202997826U - Low-noise miniature DC brushless speed reducing motor - Google Patents
Low-noise miniature DC brushless speed reducing motor Download PDFInfo
- Publication number
- CN202997826U CN202997826U CN 201220617585 CN201220617585U CN202997826U CN 202997826 U CN202997826 U CN 202997826U CN 201220617585 CN201220617585 CN 201220617585 CN 201220617585 U CN201220617585 U CN 201220617585U CN 202997826 U CN202997826 U CN 202997826U
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- China
- Prior art keywords
- brushless
- low
- gear
- transmission shaft
- noise
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a low-noise miniature DC (Direct Current) brushless speed reducing motor, and is characterized by comprising a brushless motor, a speed reducer, and a transmission shaft; wherein the speed reducer is arranged at a front end of the brushless motor, the transmission shaft is in transmission connection with the brushless motor through the speed reducer. The low-noise miniature DC brushless speed reducing motor of the utility model can obviously reduce noise of the speed reducing motor during operation, and has a simple structure.
Description
Technical field
The utility model relates to a kind of low-noise micro-size brushless DC speed reduction motor.
Background technology
In existing children electric handcart, the reducing motor of wheels is comprised of planetary reduction gear and brush motor.Directly driven the trailing wheel of go-cart by the power transmission shaft of planetary reduction gear, drive go-cart and advance.The subject matter of existing reducing motor design is: have larger noise when 1, planetary reduction gear turns round; 2, brush motor also has larger noise when operation.
The utility model content
One of the purpose of this utility model is in order to overcome deficiency of the prior art, a kind of low-noise micro-size brushless DC speed reduction motor to be provided.
For realizing above purpose, the utility model is achieved through the following technical solutions:
The low-noise micro-size brushless DC speed reduction motor is characterized in that, comprises brushless electric machine, decelerator and power transmission shaft; Described decelerator is arranged at the brushless electric machine front end, and described power transmission shaft is in transmission connection by decelerator and brushless electric machine.
Preferably, described decelerator is planetary reduction gear.
Preferably, described planetary reduction gear comprises first order plastic gear and second level gear; Described first order plastic gear is connected with the brushless electric machine output shaft; Described second level gear and the engagement of first order plastic gear; Described power transmission shaft is connected with described second level gear.
Preferably, described power transmission shaft is connected with decelerator by two bearings.
Low-noise micro-size brushless DC speed reduction motor in the utility model can significantly reduce the noise of reducing motor when operation, and is simple in structure.
Description of drawings
Fig. 1 is the utility model structure chart.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail:
As shown in Figure 1, the low-noise micro-size brushless DC speed reduction motor comprises brushless electric machine 5, planetary reduction gear 3 and power transmission shaft 1; Planetary reduction gear 3 is arranged at brushless electric machine 5 front ends.Power transmission shaft 1 is in transmission connection by planetary reduction gear 3 and brushless electric machine 5.Planetary reduction gear 3 comprises first order plastic gear 4 and second level gear 6.First order plastic gear 4 is connected with brushless electric machine 5 output shafts.Second level gear 6 and 4 engagements of first order plastic gear.Power transmission shaft 1 is connected with described second level gear 6.Power transmission shaft 1 is connected with planetary reduction gear 3 by two bearings 2.
Embodiment in the utility model only is used for the utility model is described, and does not consist of the restriction to the claim scope, and other substituting of being equal in fact that those skilled in that art can expect are all in the utility model protection range.
Claims (4)
1. the low-noise micro-size brushless DC speed reduction motor, is characterized in that, comprises brushless electric machine, decelerator and power transmission shaft; Described decelerator is arranged at the brushless electric machine front end, and described power transmission shaft is in transmission connection by decelerator and brushless electric machine.
2. low-noise micro-size brushless DC speed reduction motor according to claim 1, is characterized in that, described decelerator is planetary reduction gear.
3. low-noise micro-size brushless DC speed reduction motor according to claim 2, is characterized in that, described planetary reduction gear comprises first order plastic gear and second level gear; Described first order plastic gear is connected with the brushless electric machine output shaft; Described second level gear and the engagement of first order plastic gear; Described power transmission shaft is connected with described second level gear.
4. according to claim 2 or 3 described low-noise micro-size brushless DC speed reduction motors, is characterized in that, described power transmission shaft is connected with decelerator by two bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617585 CN202997826U (en) | 2012-11-20 | 2012-11-20 | Low-noise miniature DC brushless speed reducing motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617585 CN202997826U (en) | 2012-11-20 | 2012-11-20 | Low-noise miniature DC brushless speed reducing motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997826U true CN202997826U (en) | 2013-06-12 |
Family
ID=48568953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220617585 Expired - Fee Related CN202997826U (en) | 2012-11-20 | 2012-11-20 | Low-noise miniature DC brushless speed reducing motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997826U (en) |
-
2012
- 2012-11-20 CN CN 201220617585 patent/CN202997826U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20171120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |