CN2169736Y - Radial difference speed reducer - Google Patents
Radial difference speed reducer Download PDFInfo
- Publication number
- CN2169736Y CN2169736Y CN 93218691 CN93218691U CN2169736Y CN 2169736 Y CN2169736 Y CN 2169736Y CN 93218691 CN93218691 CN 93218691 CN 93218691 U CN93218691 U CN 93218691U CN 2169736 Y CN2169736 Y CN 2169736Y
- Authority
- CN
- China
- Prior art keywords
- bearing
- utility
- model
- speed reducer
- motor
- Prior art date
- 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 relates to a radial difference speed reducer for an electric fan, comprising a motor rotating shaft, a motor rear housing, a motor rear bearing, screw bolts, etc. The utility model is characterized in that a spin bearing on the front shaft of the motor rotating shaft can oppress a rotating ring which is arranged on the outer end of the spin bearing to rotate slowly along the inner diameter of a fixed ring, so that the purpose of greatly reducing speed can be obtained. Compared with traditional fan speed reducing devices, the utility model has the advantages of simple technology, convenient maintenance, small size, light weight, low noise, low cost, etc.
Description
The utility model relates to the speed reducer of electric fan, particularly a kind of footpath difference speed reducer.
Traditional fan speed reducer is when high rotating speed underspeeds significantly, adopts worm and worm gear or planetary pinion to realize.Because this product structure complexity, it is big therefore to exist difficulty of processing, assembling maintenance difficult, cost of production height, shortcoming such as volume is big.
The purpose of this utility model be to overcome above-mentioned deficiency and provide a kind of simple in structure, volume is little, cost is low, and the footpath difference speed reducer of reduction of speed significantly.
Technical solution of the present utility model is: the footpath difference speed reducer comprises formations such as machine shaft 9, motor back cover 7, motor rear bearing 8 and bolt 2.Solution is that a bearing 5 is set on the front axle of rotating shaft 9, is provided with a swivel becket 4 in the outer end of bearing 5 simultaneously, and this swivel becket 4 is arranged on the end face of motor back cover 7 by retaining ring 6 and bolt 2.Thereby the bearing 5 compressing swivel beckets 4 that utilize turn rotatablely move at a slow speed along the internal diameter of retaining ring 6, reach the purpose of reduction of speed significantly.
The utility model is compared with traditional speed reducer, have that manufacturing process is simple, easy to maintenance, volume is little, in light weight, noise is low, the life-span is long and cost of production is low below 20%.
Below in conjunction with accompanying drawing the utility model is illustrated:
Fig. 1 is a structural representation of the present utility model.
As shown in Figure 1: this footpath difference speed reducer comprises that packing ring 1, bolt 2, connected nail 3, swivel becket 4, bearing 5, retainer ring 6, motor back cover 7, motor rear bearing 8, machine shaft 9 consist of.
Embodiment:
On the basis of original machine shaft 9, a bearing 5 is set on its front axle, and a swivel becket 4 is set in the outer end of bearing 5, this swivel becket 4 is arranged on the end face of motor back cover 7 by retaining ring 6 and bolt 2.The bearing compressing swivel becket that utilizes turn during work rotatablely moves at a slow speed along the internal diameter of retaining ring, thereby reaches the purpose of reduction of speed significantly.
The utility model is applicable to that reduction of speed is big, in the very not strict series product of rotating speed, and can manufacture inner ring or outer ring reduction of speed transmission, just can transmit the power that varies in size with different made.Can increase driving force when adopting multiple spot to press transmission.This retarder is implemented on rotary vane fan and 750mm big fan, proves that its effect is extremely good.
Claims (1)
1, a kind of footpath difference speed reducer, comprise formations such as rotor axis of electric 9, motor back cover 7, motor rear bearing 8 and bolt 2, it is characterized in that: a bearing 5 is set on the front axle of rotating shaft 9, be provided with a swivel becket 4 simultaneously in the outer end of bearing 5, this swivel becket 4 is arranged on the end face of motor back cover 7 by retaining ring 6 and bolt 2, thereby the bearing 5 compressing swivel beckets 4 that utilize turn rotatablely move at a slow speed along the internal diameter of retaining ring 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93218691 CN2169736Y (en) | 1993-07-15 | 1993-07-15 | Radial difference speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93218691 CN2169736Y (en) | 1993-07-15 | 1993-07-15 | Radial difference speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2169736Y true CN2169736Y (en) | 1994-06-22 |
Family
ID=33798285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93218691 Expired - Fee Related CN2169736Y (en) | 1993-07-15 | 1993-07-15 | Radial difference speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2169736Y (en) |
-
1993
- 1993-07-15 CN CN 93218691 patent/CN2169736Y/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 | ||
| 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 |