CN202009319U - Permanent magnet DC motor - Google Patents
Permanent magnet DC motor Download PDFInfo
- Publication number
- CN202009319U CN202009319U CN2010207004388U CN201020700438U CN202009319U CN 202009319 U CN202009319 U CN 202009319U CN 2010207004388 U CN2010207004388 U CN 2010207004388U CN 201020700438 U CN201020700438 U CN 201020700438U CN 202009319 U CN202009319 U CN 202009319U
- Authority
- CN
- China
- Prior art keywords
- rotating disk
- permanent magnet
- motor
- brush
- end plate
- 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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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Dc Machiner (AREA)
Abstract
The utility model provides a low-cost, light-weight permanent magnet DC motor on a bicycle, mainly composed of a casing, permanent magnets, a rotating disk, an electric brush, an end plate and screws, wherein the rotating disk includes a solenoid and a shaft, the inner end surface of the casing is connected with a plurality of permanent magnets, the rotating disk is formed by casting the flat disc solenoid with epoxy resin, and then connecting a shaft in the middle of the disc, the shaft of the rotating disk is mounted in the shaft hole of the end plate with the electric brush, and then mounted together in the casing for connection, and the electric brush is electrically contacted with the solenoid on the rotating disk. The permanent magnet DC motor uses a rotating disk instead of a motor of a traditional motor, has the advantages of simple structure, low cost and light weight.
Description
Affiliated technical field
The utility model relates to a kind of motor of electric bicycle, and low, the lightweight permanent magnet DC motor of cost is especially arranged.
Background technology
At present existing electric bicycle permanent magnet DC motor mainly is made up of permanent magnet, rotor, carbon brush etc.The iron core that the rotor of this motor is made by silicon steel sheet coils to be formed, and exists to make the deficiency complicated, that cost is high, weight is big.
Summary of the invention
Have the deficiency that manufacturing is complicated, cost is high, weight is big in order to overcome existing permanent magnet DC motor, the purpose of this utility model provides a kind of low, lightweight permanent magnet DC motor of cost that has.
The utility model technical scheme that is adopted of dealing with problems is: mainly be made up of shell, permanent magnet, rotating disk, brush, end plate, screw, rotating disk comprises line bag, axle, connect the polylith permanent magnet in the enclosure on the end face, rotating disk is watered with epoxy resin by oblate line bag, connect a composition in disc centre, the axle of rotating disk is packed into to pack into together in the end plate axis hole that has brush and is connected in the shell, and brush and rotating disk are reached the standard grade to wrap and electrically contacted.When direct current when brush is powered to the line bag on the rotating disk, produce rotating magnetic field after line packet generation magnetic field and the permanent magnet field effect, rotating disk is rotation just.This permanent magnet DC motor adopts no iron core, lightweight rotating disk, has substituted baroque rotor, thereby reach the utility model low, the lightweight purpose of cost is arranged.
The beneficial effects of the utility model are to have cost low, in light weight, also in light weight because of electric motor car, economize on electricity.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the principal section structure chart of the utility model embodiment.
Among the figure 1, shell 2, permanent magnet 3, brush 4, rotating disk 4-1, line bag 4-2, axle 5, end plate 6, screw
Embodiment
In the embodiment shown in fig. 1, even bonding 8 block permanent magnets are lined up circle on the end plate in shell 1, the permanent magnet 2 of each 4 N, S polarity is interconnected, rotating disk 4 is by the oblate dish type of enamelled wire coiled, line bag 4-1 waters the jail with epoxy resin, connecting a 4-2 in disc centre forms, the axle 4-2 of rotating disk 4 is inserted in the shell 1 of packing into together in the axis hole of the end plate 5 have brush 3 and connect with screw 6, rotating disk 4 positions after the assembling are in the middle of the air gap between permanent magnet 2 and the end plate 5, and line bag 4-1 on the rotating disk 4 and the brush 3 on the end plate 5 electrically contact.When direct current when brush 3 is powered to line bag 4-1, the magnetic line of force of line bag magnetic field that 4-1 produces and the permanent magnet 2 generation rotating magnetic field of having an effect, rotating disk 4 just rotates.This rotating disk 4 no iron cores, in light weight, cost is just low.
Claims (2)
1. permanent magnet DC motor, mainly form by shell, permanent magnet, rotating disk, brush, end plate, screw, rotating disk comprises line bag, axle, it is characterized in that: connect the polylith permanent magnet in the enclosure on the end face, rotating disk is watered with epoxy resin by oblate line bag, at composition of disc centre connection, the axle of rotating disk inserts in the shell of packing into together in the end plate axis hole that has brush and connects, and brush and rotating disk are reached the standard grade to wrap and electrically contacted.
2. permanent magnet DC motor according to claim 1 is characterized in that: even bonding 8 block permanent magnets are lined up circle on the end face in the described shell 1, and the permanent magnet of each 4 N, S polarity is interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207004388U CN202009319U (en) | 2010-12-24 | 2010-12-24 | Permanent magnet DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207004388U CN202009319U (en) | 2010-12-24 | 2010-12-24 | Permanent magnet DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202009319U true CN202009319U (en) | 2011-10-12 |
Family
ID=44750974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010207004388U Expired - Fee Related CN202009319U (en) | 2010-12-24 | 2010-12-24 | Permanent magnet DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202009319U (en) |
-
2010
- 2010-12-24 CN CN2010207004388U patent/CN202009319U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20111224 |