CN2726203Y - Low noise micro-speed reducing motor - Google Patents
Low noise micro-speed reducing motor Download PDFInfo
- Publication number
- CN2726203Y CN2726203Y CN 200420053719 CN200420053719U CN2726203Y CN 2726203 Y CN2726203 Y CN 2726203Y CN 200420053719 CN200420053719 CN 200420053719 CN 200420053719 U CN200420053719 U CN 200420053719U CN 2726203 Y CN2726203 Y CN 2726203Y
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- Prior art keywords
- gear
- adopts
- low noise
- speed reducing
- reducing motor
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- Expired - Fee Related
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- 239000007769 metal material Substances 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract 4
- 238000007639 printing Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Abstract
The utility model provides a low noise micro-speed reducing motor, comprising a micro-motor and a speed reducer. The speed reducer is arranged on the motor casing; the inner part of the speed reducer is provided with a multi-stage reduction gear driving; a first stage is the helical gear reduction driving; secondary stages are totally the straight gear reduction driving; each gear and the driving shaft are arranged on the gear frame; the gear frame is arranged in the speed reducer casing; each driving gear adopts metallic materials; each driven gear adopts non-metallic materials; the bearing of the output driving shaft adopts an oil impregnated bearing, and other bearings of the driving shaft adopt the oil impregnated bearings. The first stage of the utility model adopts the helical gear reduction driving; each driven gear adopts the non-metallic materials; compared with the prior art, the low noise micro-speed reducing motor can not only reduce the noise, but also can make the noise pleasant without the squawk.
Description
(1) technical field
The utility model relates to minitype speed reducing motor, belongs to technical field of motors.
(2) background technology
At present, minitype speed reducing motor is made up of micromachine and decelerator, and decelerator is contained on the motor casing, is provided with the multi-stage speed-reducing gear drive in the decelerator.Gear and power transmission shaft are installed on the tooth rest, and gear all adopts metal material usually, and transmission shaft bearing all adopts ball bearing.Existing minitype speed reducing motor main design problems has bigger noise when being to turn round, and is unsuitable for medical machinery, office machinery, instrument and meter, printing machinery, advertising lamp box, the automatic window of automobile and rain brush, money binding machine, cash inspecting machine, precision instrument etc. and requires quiet applied environment.
(3) summary of the invention
At the deficiency that prior art exists, the utility model provides a kind of noise low minitype speed reducing motor.
The solution that the utility model adopts is:
The low noise minitype speed reducing motor is made up of micromachine and decelerator, decelerator is contained on the motor casing, be provided with the multi-stage speed-reducing gear drive in the decelerator, chopped-off head is helical gear deceleration transmission, the secondary spur gear deceleration transmission that is, each gear and power transmission shaft are installed on the tooth rest, tooth rest is installed in the reducing gearbox, and each driving gear adopts metal material, and each driven gear adopts nonmetallic materials, the take-off (propeller) shaft bearing adopts ball bearing, and all the other transmission shaft bearings adopt oiliness bearing.
Helical gear Total contact ratio ε (end face and Face contact ratio sum) is 2.8～3.2.
Gear all adopts the involute profile and non-rectilinear (comprising helix and the multistage straight line) crown of correction.The design of gear can guarantee the steady of transmission process, and the engaging-in nothing of nibbling out is impacted.
Between motor and decelerator, be provided with sealing device between output shaft and the reducing gearbox.
Chopped-off head adopts helical gear deceleration transmission in the utility model, and each driven gear adopts nonmetallic materials, compared with prior art, not only can reduce noise, and make noise melodious, does not have in a shrill voice.
(4) description of drawings
Fig. 1 is the structural representation of the utility model low noise minitype speed reducing motor.
Fig. 2 is the structural representation of the utility model middle gear profile of tooth.
Fig. 3 is the structural representation of the utility model middle gear crown.
Among the figure: 1, motor, 2, motor shaft, 3, motor casing, 4, decelerator, 5, tooth rest, 6, output shaft, 7, bearing, 8, power transmission shaft, 9, power transmission shaft, 10, bearing, 11, gear, the deviation of f, profile of tooth relative theory involute profile, l, being the length that departs from of profile of tooth relative theory involute profile, g, is the deviation of the relative straight line crown of gear crown, B, the facewidth, b, effectively mesh width, h, tooth depth
(5) embodiment
Fig. 1 has provided structural representation of the present utility model.Decelerator 4 is contained on the motor casing 3, be provided with three grades of reduction gearing transmissions in the decelerator 4, the first order is helical gear deceleration transmission, comprise the helical gear and the gear 11 that are installed in motor shaft 2 ends, helical gear Total contact ratio ε (end face and Face contact ratio sum) is 2.8～3.2, gear adopts involute profile (referring to Fig. 2) and non-rectilinear (comprising helix and the multistage straight line) crown of revising (referring to Fig. 3), and the design of gear can guarantee the steady of transmission process, and the engaging-in nothing of nibbling out is impacted.Meshing gear major parameter scope is: 14～30 ° of pressure angles, modulus 0.4～1.5mm, 15～35 ° of helical angles, the facewidth 3～8mm.Second and third level is the spur gear deceleration transmission, gears engaged on gear on the power transmission shaft 9 and the power transmission shaft 8, be the second level, gears engaged on gear on the power transmission shaft 8 and the output shaft 6, be the third level, by output shaft 6 outputs, each take-off (propeller) shaft bearing adopts ball bearing 7 and 10 to install then, and all the other transmission shaft bearings adopt oiliness bearing.Each gear and gear shaft are installed on the tooth rest 5, and tooth rest 5 is installed in the decelerator 4, and each driven gear adopts nonmetallic materials.Be provided with O shape sealing device (not drawing among the figure) between 4 of motor 1 and decelerators, output shaft and the reducing gearbox.
The utility model is mainly used in wide spectrums such as medical machinery, office machinery, instrument and meter, printing machinery, advertising lamp box, the automatic window of automobile and rain brush, money binding machine, cash inspecting machine.
Claims (4)
1. low noise minitype speed reducing motor, form by micromachine and decelerator, decelerator is contained on the motor casing, be provided with the multi-stage speed-reducing gear drive in the decelerator, it is characterized in that: chopped-off head is helical gear deceleration transmission, the secondary spur gear deceleration transmission that is, each gear and power transmission shaft are installed on the tooth rest, tooth rest is installed in the reducing gearbox, each driving gear adopts metal material, each driven gear adopts nonmetallic materials, and the take-off (propeller) shaft bearing adopts ball bearing, and all the other transmission shaft bearings adopt oiliness bearing.
2. low noise minitype speed reducing motor according to claim 1 is characterized in that: described chopped-off head helical gear Total contact ratio ε is 2.8～3.2.
3. low noise minitype speed reducing motor according to claim 1 and 2 is characterized in that: described gear all adopts the involute profile and the non-rectilinear crown of correction.
4. require described low noise minitype speed reducing motor according to aforesaid right, it is characterized in that: between described motor and decelerator, be provided with sealing device between output shaft and the reducing gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420053719 CN2726203Y (en) | 2004-09-08 | 2004-09-08 | Low noise micro-speed reducing motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420053719 CN2726203Y (en) | 2004-09-08 | 2004-09-08 | Low noise micro-speed reducing motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2726203Y true CN2726203Y (en) | 2005-09-14 |
Family
ID=35040907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420053719 Expired - Fee Related CN2726203Y (en) | 2004-09-08 | 2004-09-08 | Low noise micro-speed reducing motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2726203Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751815A (en) * | 2012-07-13 | 2012-10-24 | 上海欧特传动机电有限公司 | Speed reduction motor |
| CN104228390A (en) * | 2014-09-05 | 2014-12-24 | 东莞市票友机电科技有限公司 | Speed reducing motor for ticket binding machine |
-
2004
- 2004-09-08 CN CN 200420053719 patent/CN2726203Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751815A (en) * | 2012-07-13 | 2012-10-24 | 上海欧特传动机电有限公司 | Speed reduction motor |
| CN104228390A (en) * | 2014-09-05 | 2014-12-24 | 东莞市票友机电科技有限公司 | Speed reducing motor for ticket binding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Patentee address after: 250061, No. ten, No. 73, Ji'nan, Shandong Patentee address before: 250100 No. 27 South Grand Road, Lixia District, Shandong, Ji'nan |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |