CN203632384U - Brush motor rotor - Google Patents
Brush motor rotor Download PDFInfo
- Publication number
- CN203632384U CN203632384U CN201420007764.9U CN201420007764U CN203632384U CN 203632384 U CN203632384 U CN 203632384U CN 201420007764 U CN201420007764 U CN 201420007764U CN 203632384 U CN203632384 U CN 203632384U
- Authority
- CN
- China
- Prior art keywords
- nonmagnetic material
- rotor
- gap
- brush motor
- iron core
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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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- Dc Machiner (AREA)
- Motor Or Generator Current Collectors (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a brush motor rotor. The brush motor rotor comprises a rotor body. The rotor body comprises a motor shaft and a commutator. An iron core is arranged on the motor shaft. Electrodes are arranged on the iron core. A gap is formed between two adjacent electrodes. An armature winding is wound in the gap. The main points of the technical scheme are that, the rotor body comprises a nonmagnetic material sleeve; the nonmagnetic material sleeve comprises a nonmagnetic material sheet and a nonmagnetic material ring; the nonmagnetic material sheet is clamped in the gap formed between two adjacent electrodes; one side of the nonmagnetic material sheet is connected with the nonmagnetic material ring made of the same material. The rotor body comprises the nonmagnetic material sleeve, the nonmagnetic material sleeve replaces an original nonmagnetic material sheet, and the nonmagnetic material sleeve can be inserted into the gap between the electrodes in one step during the manufacturing process of the rotor. The work efficiency of rotor assembly is raised greatly, the starting performance of a motor is improved, vibration is reduced, noise is low, the service life of the rotor is prolonged, the reliability of the rotor is raised greatly, and the brush motor rotor is easy to use and popularize.
Description
Technical field
The utility model relates to a kind of rotor, and more particularly, it relates to a kind of brush motor rotor.
Background technology
Brush motor rotor is a kind of rotor being used in brush motor.
At present, in the manufacture of the brush motor rotor on market, between silicon steel sheet, be provided with nonmagnetic material sheet, make like this simple in structure, compact and reasonable of rotor, connect reliable, strengthen the mechanical strength of rotor, improved the starting performance of motor, reduced vibration, noise is smaller, extend the useful life of rotor, greatly improved the reliability of rotor, be easy to use and promote, but, in practical operation, in each rotor, there are a lot of sheet nonmagnetic material sheets, so just cause more loaded down with trivial details this problem of step at assembling rotor.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of brush motor rotor, this rotor body comprises nonmagnetic material cover, this nonmagnetic material cover replaces original nonmagnetic material sheet, rotor can overlap nonmagnetic material in the gap between disposable insertion two neighboring pole in the process of manufacturing, greatly improve the operating efficiency of assembling rotor, and simple in structure, compact and reasonable, connect reliable, strengthen the mechanical strength of rotor, improve the startability of motor, reduce vibration, noise is smaller, extend the useful life of rotor, greatly improve the reliability of rotor, more be easy to use and promote.
For achieving the above object, the utility model provides following technical scheme:
A kind of brush motor rotor, comprise rotor body, rotor body comprises motor shaft and commutator, and described motor shaft is provided with iron core, and iron core is provided with the utmost point, between two neighboring pole, form gap, in gap, be wound with armature winding, rotor body comprises nonmagnetic material cover, and nonmagnetic material cover comprises nonmagnetic material sheet and nonmagnetic material ring, nonmagnetic material sheet is clamped in the gap between two neighboring pole, and a side of nonmagnetic material sheet is connected with the nonmagnetic material ring of same material.
By adopting technique scheme, rotor body comprises nonmagnetic material cover, this nonmagnetic material cover replaces original nonmagnetic material sheet, rotor can overlap nonmagnetic material in the gap between the disposable insertion utmost point in the process of manufacturing, greatly improve the operating efficiency of assembling rotor, and simple in structure, compact and reasonable, connect reliable, strengthen the mechanical strength of rotor, improved the startability of motor, reduced vibration, noise is smaller, extend the useful life of rotor, greatly improved the reliability of rotor, be more easy to use and promote.
The utility model is further set to: on described armature winding, water and scribble insulating cement.
By adopting technique scheme, armature winding is bonded together by insulating cement flow coat, and insulating cement has the multicomponent compound adhesive of good electrical insulation capability, is convenient to perfusion, dipping, applies, and also armature winding can be fixed together, and strengthens the mechanical strength of rotor.
The utility model is further set to: described commutator is by phenolic moulding powder and motor shaft insulation.
By adopting technique scheme, commutator insulate by phenolic moulding powder and motor shaft, phenolic moulding powder is the phenolic plastics take wood powder as filler mainly, repressed forming, the insulating properties that tool is good.
The utility model is further set to: described iron core forms by silicon steel sheet is stacking.
By adopting technique scheme, iron core forms by silicon steel sheet is stacking, on the one hand because the resistivity of silicon steel sheet itself is larger, between each, scribble on the other hand insulating varnish or have natural insulating oxide, eddy current is limited in each thin slice, eddy current is greatly reduced, thereby reduced electric energy loss.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model brush motor rotor embodiment;
Fig. 2 is the structural representation of the nonmagnetic material cover of the utility model brush motor rotor embodiment.
Reference numeral: 1, rotor body; 2, nonmagnetic material sheet; 3, nonmagnetic material cover; 4, nonmagnetic material ring; 5, motor shaft; 6, armature winding; 7, iron core; 8, commutator.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model brush motor rotor embodiment is described further.
A kind of brush motor rotor, comprise rotor body 1, rotor body 1 comprises motor shaft 5 and commutator 8, and described motor shaft 5 is provided with iron core 7, and iron core 7 is provided with the utmost point, between two neighboring pole, form gap, in gap, be wound with armature winding 6, rotor body 1 comprises nonmagnetic material cover 3, and nonmagnetic material cover 3 comprises nonmagnetic material sheet 2 and nonmagnetic material ring 4, nonmagnetic material sheet 2 is clamped in the gap between two neighboring pole, and a side of nonmagnetic material sheet 2 is connected with the nonmagnetic material ring 4 of same material.
By adopting technique scheme, rotor body 1 comprises nonmagnetic material cover 3, this nonmagnetic material cover 3 replaces original nonmagnetic material sheet 2, rotor can overlap nonmagnetic material in the gap between the 3 disposable insertion utmost points in the process of manufacturing, greatly improve the operating efficiency of assembling rotor, and simple in structure, compact and reasonable, connect reliable, strengthen the mechanical strength of rotor, improved the startability of motor, reduced vibration, noise is smaller, extend the useful life of rotor, greatly improved the reliability of rotor, be more easy to use and promote.
On described armature winding 6, water and scribble insulating cement.
By adopting technique scheme, armature winding 6 is bonded together by insulating cement flow coat, and insulating cement has the multicomponent compound adhesive of good electrical insulation capability, is convenient to perfusion, dipping, applies, also armature winding 6 can be fixed together, strengthen the mechanical strength of rotor.
Described commutator 8 insulate by phenolic moulding powder and motor shaft 5.
By adopting technique scheme, commutator 8 insulate by phenolic moulding powder and motor shaft 5, and phenolic moulding powder is the phenolic plastics take wood powder as filler mainly, repressed forming, the insulating properties that tool is good; Phenolic plastics are compared with general thermoplastics, and good rigidly, is out of shape littlely, and heat-resistant antifriction can use for a long time in the temperature range of 150 ~ 200 ° of C; And under water lubrication condition, phenolic moulding powder also has extremely low coefficient of friction, its electrical insulation capability is good.
Described iron core 7 forms by silicon steel sheet is stacking.
By adopting technique scheme, in order to increase magnetic flux density, in transformer, adopt iron core 7, while passing through alternating current in the coil of transformer, in iron core 7, by producing very large vortex flow, not only even also may burn these equipment along having got well a large amount of energy; Conventionally adopt the silicon steel sheet being superimposed together replace monoblock iron core 7 and make silicon steel sheet plane parallel with the line of magnetic induction in order to reduce vortex flow and loss thereof; Iron core 7 forms by silicon steel sheet is stacking, because the resistivity of silicon steel sheet itself is larger, between each, scribble on the other hand insulating varnish or with natural insulating oxide, eddy current be limited in each thin slice on the one hand, eddy current is greatly reduced, thereby reduced electric energy loss.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. a brush motor rotor, comprise rotor body, rotor body comprises motor shaft and commutator, described motor shaft is provided with iron core, described iron core is provided with the utmost point, between described two neighboring pole, form gap, in described gap, be wound with armature winding, it is characterized in that: described rotor body comprises nonmagnetic material cover, described nonmagnetic material cover comprises nonmagnetic material sheet and nonmagnetic material ring, described nonmagnetic material sheet is clamped in the gap between two neighboring pole, and described nonmagnetic material sheet and nonmagnetic material ring are wholely set.
2. brush motor rotor according to claim 1, is characterized in that: on described armature winding, water and scribble insulating cement.
3. brush motor rotor according to claim 1 and 2, is characterized in that: described commutator is by phenolic moulding powder and motor shaft insulation.
4. brush motor rotor according to claim 3, is characterized in that: described iron core forms by silicon steel sheet is stacking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007764.9U CN203632384U (en) | 2014-01-04 | 2014-01-04 | Brush motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007764.9U CN203632384U (en) | 2014-01-04 | 2014-01-04 | Brush motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632384U true CN203632384U (en) | 2014-06-04 |
Family
ID=50818824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420007764.9U Expired - Fee Related CN203632384U (en) | 2014-01-04 | 2014-01-04 | Brush motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203632384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696021A (en) * | 2018-08-01 | 2018-10-23 | 浙江美茵电机有限公司 | A kind of ac high-voltage high power electric tool motor |
| CN110576656A (en) * | 2018-06-11 | 2019-12-17 | 丰田自动车株式会社 | Laminated body for iron core |
-
2014
- 2014-01-04 CN CN201420007764.9U patent/CN203632384U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576656A (en) * | 2018-06-11 | 2019-12-17 | 丰田自动车株式会社 | Laminated body for iron core |
| CN108696021A (en) * | 2018-08-01 | 2018-10-23 | 浙江美茵电机有限公司 | A kind of ac high-voltage high power electric tool motor |
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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: 20140604 Termination date: 20160104 |