CN204013009U - Integral type direct current brushless speed-changing motor and the electric rotating Buddhist hand drum being formed by it - Google Patents
Integral type direct current brushless speed-changing motor and the electric rotating Buddhist hand drum being formed by it Download PDFInfo
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- CN204013009U CN204013009U CN201420428516.1U CN201420428516U CN204013009U CN 204013009 U CN204013009 U CN 204013009U CN 201420428516 U CN201420428516 U CN 201420428516U CN 204013009 U CN204013009 U CN 204013009U
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- motor
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- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
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Abstract
The electric rotating Buddhist hand drum that the utility model discloses integral type direct current brushless speed-changing motor and formed by it, integral type direct current brushless speed-changing motor comprises electric machine casing (10), motor (20) and gear train (30), in electric machine casing (10), be provided with dividing plate (12) and be divided into gearbox (14) and (13) two spaces of motor box, dividing plate (12) is provided with through hole (15), gear train (30) is located among gearbox (14), motor (20) is located among motor box (13), motor output shaft (21) is connected with gear train input (31) by through hole (15), motor box (13) is positioned at overall rear portion, gearbox (14) is provided with gear shift cover (40) and is closely connected with it and forms sealing, motor box (13) is provided with motor rear cover (50) and is closely connected with it and forms sealing.The structure compactness of the utility model DC brushless variable speed motor, has stopped unnecessary gap, and the outer wall of electric machine casing, gear shift cover and motor rear cover all reach certain thickness, greatly reduce the operating noise of brushless speed-changing motor.
Description
Technical field
The utility model relates to a kind of variable speed electric motors, particularly, particularly integral type direct current brushless speed-changing motor and the electric rotating Buddhist hand drum that is made up of it.
Background technology
Existing DC brushless variable speed motor, textural, its speed-changing gear box and motor point are arranged, be that the two is arranged among the different parts or different spaces of variable speed electric motors, particularly entirety, motor (movement) normally puts a not so good plastic jacket of sealing property and uses housing as at its rear portion, the outer wall of motor shell and speed-changing gear box is all thinner, when motor runs up, coordinate sent noise ratio to be easier to be delivered to the external world with the gear train work in gearbox, its outer wall does not reach the effect that intercepts noise substantially.In addition, its gearbox also separately combines several times, between each combination, certainly exist gap, due to the principle of concentricity, also can make the noise of various material production resonance, make the noise of existing DC brushless variable speed motor in the time of work reach 70 decibels, existing technology is the large technological deficiency of ubiquity noise all.
Especially, for the electric rotating Buddhist hand drum (machine) that will be equipped with DC brushless variable speed motor, the user of electric rotating Buddhist hand drum (machine) is the people's bodyguard that believes in Buddhism, all need an environment of repairing clearly, very responsive for noise, therefore, traditional DC brushless variable speed motor cannot be applied to electric rotating Buddhist hand drum (machine) at all.This is the deficiency of prior art objective reality.
Utility model content
Technical purpose of the present utility model is the integral type direct current brushless speed-changing motor that openly a kind of noise is little and overall result of use is good and the electric rotating Buddhist hand drum being made up of it.
For realizing the utility model technical purpose, the technical solution of the utility model is: integral type direct current brushless speed-changing motor, comprise electric machine casing 10, motor 20 and gear train 30, in described electric machine casing 10, be provided with dividing plate 12 and be divided into gearbox 14 and 13 two spaces of motor box, dividing plate 12 is provided with through hole 15, described gear train 30 is located among gearbox 14, motor 20 is located among motor box 13, motor output shaft is connected with gear train input 31 by through hole, described motor box 13 is positioned at overall rear portion, gearbox 14 is provided with gear shift cover 40 and is closely connected with it and forms sealing, motor box 13 is provided with motor rear cover 50 and is closely connected with it and forms sealing.
Described electric machine casing 10, gear shift cover 40 are 3-6 millimeter with the thickness of motor rear cover 50.
Described through hole 15 places are provided with oil sealing 16.
Dividing plate 12 in described electric machine casing 10 is integral type structure with electric machine casing 10.
Described electric motor 20 adopts hanging type to connect among motor box 13.
Described gear shift cover 40 is closely to connect by screw connected mode with being connected of gearbox 14, and described motor rear cover 50 is closely to connect by screw connected mode with being connected of motor box 13.
The utility model is compared with existing DC brushless variable speed motor, its difference is that the utility model DC brushless variable speed motor is integral type structure, gear train and motor are all arranged among same electric machine casing, make its structure compact, stop unnecessary gap, and the outer wall of electric machine casing, gear shift cover and motor rear cover all reach certain thickness, substantially can eliminate the resonance noise between each parts or each material, thereby greatly reduce the operating noise of brushless speed-changing motor.In addition, motor body part is positioned at backmost (while vertically the placement for below) of whole actuating unit transmission direction, and and housing between retained certain distance, motor is suspended in the cavity in housing completely, directly do not contact with housing parts, noise reduces again, and the resonance of motor can directly not pass to the appearance of product, noise secondary is reduced, reach the muting function of product.Through test, its noise is lower than 40 decibels.Can be applied to preferably and low noise be required to high electronic product as this class of electric rotating Buddhist hand drum (machine), overall result of use is good.The utility model integral type direct current brushless speed-changing motor, except for electric rotating Buddhist hand drum, can also be used for other small sized product, such as the rotary support for to the stricter watch-dog of noise requirements.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the cutaway view of the utility model integral type direct current brushless speed-changing motor specific embodiment;
Fig. 2 is the decomposition diagram of the utility model integral type direct current brushless speed-changing motor specific embodiment.
Reference numeral
10 electric machine casing 11 housing outer walls
12 dividing plate 13 motor box
14 gearbox 15 through holes
16 oil sealing 20 motors
21 motor output shaft 30 gear trains
31 gear train input 40 gear shift covers
50 motor rear covers
Embodiment
With reference to figure 1 and Fig. 2, the product such as the utility model is a kind of DC brushless variable speed motor, and technical purpose is mainly the reducing noise that makes DC brushless variable speed motor, and can be applicable to the electronic product high to low noise requirement, such as electric rotating Buddhist hand drum (machine).Be characterized in that motor unitary construction adopts integral type design, structure is compact ingenious, the cylindrical cavity that electric machine casing 10 is upper and lower opening, among electric machine casing 10, be provided with dividing plate 12, by dividing plate 12, electric machine casing 10 is divided into two cavitys, in entirety front portion is gearbox 14, in overall rear portion is motor box 13, among gearbox 14, be provided with gear train 30, among motor box 13, establish motor 20, on dividing plate, be provided with through hole 15, motor output shaft 21 is connected with gear train input 31 by through hole 15, thereby the output rotating speed of motor entirety carries out speed change by 30 groups of gears, through hole 15 places are provided with oil sealing 16 cooperatings, make the lubricating oil among gearbox 14 can not leak to motor box 13, upper shed is the opening of gearbox 14, be fastenedly connected and form sealing state in this opening part by gear shift cover 40, under shed is motor box 13 openings, be fastenedly connected and form sealing state in this opening part by motor rear cover 50, thus, the entirety of variable speed electric motors, particularly is at this point airtight, electric machine casing 10, gear shift cover 40 all reaches more than 3 millimeters with the thickness of motor rear cover 50, can play extraordinary soundproof effect.Dividing plate 12 among electric machine casing 10 for integral type designs, can be cast into one by same material with electric machine casing 10, can be also to be installed and be connected among electric machine casing 10 by dividing plate 12.Electric motor 20 is installed among motor box 13, can adopt hanging type to connect, and can further reduce like this resonance noise that motor and other parts produce.
As shown in Figure 2, as further structure innovation of the present utility model, gear shift cover 40 is closely to connect by screw connected mode with being connected of gearbox 14, and motor rear cover 50 is closely to connect by screw connected mode with being connected of motor box 13.Equally also further to reduce again operating noise.
A kind of electric rotating Buddhist hand drum of the utility model, comprises base, and is positioned at the rotary scripture cylinder of base top, end cylinder is provided with the Power Component for driving rotary scripture cylinder, and Power Component adopts the integral type direct current brushless speed-changing motor in previous embodiment.
The utility model is all arranged at gear train and motor among same electric machine casing, make its structure compact, stop unnecessary gap, and the outer wall 11 of electric machine casing, gear shift cover 40 and motor rear cover 50 all reach certain thickness, can be good at operating noise to intercept among electric machine casing 10, can substantially can eliminate the resonance noise between each parts or each material simultaneously, thereby greatly reduce the operating noise of brushless speed-changing motor, in addition, motor body part is positioned at backmost (while vertically the placement for below) of whole actuating unit transmission direction, and and housing between retained certain distance, motor is suspended in the cavity in housing completely, directly do not contact with housing parts, noise reduces again, the resonance of motor can directly not pass to the appearance of product, noise secondary is reduced, reach the muting function of product.Through test, its noise is lower than 40 decibels.The utility model can be applied to preferably as electric rotating Buddhist hand drum (machine), this class similar to electric rotating Buddhist hand drum (machine) requires high electronic product also can apply the utility model to low noise, and the overall result of use of its use is very good.
Claims (7)
1. integral type direct current brushless speed-changing motor, comprise electric machine casing (10), motor (20) and gear train (30), it is characterized in that, in described electric machine casing (10), be provided with dividing plate (12) and be divided into gearbox (14) and (13) two spaces of motor box, dividing plate (12) is provided with through hole (15), described gear train (30) is located among gearbox (14), described motor (20) is located among motor box (13), motor output shaft (21) is connected with gear train input (31) by through hole (15), described motor box (13) is positioned at overall rear portion, gearbox (14) is provided with gear shift cover (40) and is closely connected with it and forms sealing, motor box (13) is provided with motor rear cover (50) and is closely connected with it and forms sealing.
2. integral type direct current brushless speed-changing motor as claimed in claim 1, is characterized in that, described electric machine casing (10), gear shift cover (40) are 3-6 millimeter with the thickness of motor rear cover (50).
3. integral type direct current brushless speed-changing motor as claimed in claim 1, is characterized in that, described through hole (15) locates to be provided with oil sealing (16).
4. integral type direct current brushless speed-changing motor as claimed in claim 1, is characterized in that, the dividing plate (12) in described electric machine casing (10) is integral type structure with electric machine casing (10).
5. integral type direct current brushless speed-changing motor as claimed in claim 1, is characterized in that, described electric motor (20) adopts hanging type to connect among motor box (13).
6. the integral type direct current brushless speed-changing motor as described in arbitrary claim of claim 1-5, it is characterized in that, described gear shift cover (40) is closely connected by screw connected mode with gearbox (14), and described motor rear cover (50) is closely connected by screw connected mode with motor box (13).
7. an electric rotating Buddhist hand drum, comprise base, and be positioned at the rotary scripture cylinder above base, and described end cylinder is provided with the Power Component for driving rotary scripture cylinder, and the Power Component described in it is characterized in that includes the integral type direct current brushless speed-changing motor described in claim 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428516.1U CN204013009U (en) | 2014-08-01 | 2014-08-01 | Integral type direct current brushless speed-changing motor and the electric rotating Buddhist hand drum being formed by it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428516.1U CN204013009U (en) | 2014-08-01 | 2014-08-01 | Integral type direct current brushless speed-changing motor and the electric rotating Buddhist hand drum being formed by it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013009U true CN204013009U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420428516.1U Expired - Lifetime CN204013009U (en) | 2014-08-01 | 2014-08-01 | Integral type direct current brushless speed-changing motor and the electric rotating Buddhist hand drum being formed by it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204013009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11611258B2 (en) | 2018-02-12 | 2023-03-21 | Byd Company Limited | Electric assembly and vehicle having the same |
| US12021434B2 (en) | 2018-02-12 | 2024-06-25 | Byd Company Limited | Electric assembly and vehicle having the same |
-
2014
- 2014-08-01 CN CN201420428516.1U patent/CN204013009U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11611258B2 (en) | 2018-02-12 | 2023-03-21 | Byd Company Limited | Electric assembly and vehicle having the same |
| US11843304B2 (en) | 2018-02-12 | 2023-12-12 | Byd Company Limited | Electric assembly and vehicle having the same |
| US12021434B2 (en) | 2018-02-12 | 2024-06-25 | Byd Company Limited | Electric assembly and vehicle having the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |