CN100492819C - Winding coil protector for electric motor - Google Patents
Winding coil protector for electric motor Download PDFInfo
- Publication number
- CN100492819C CN100492819C CNB2004100728104A CN200410072810A CN100492819C CN 100492819 C CN100492819 C CN 100492819C CN B2004100728104 A CNB2004100728104 A CN B2004100728104A CN 200410072810 A CN200410072810 A CN 200410072810A CN 100492819 C CN100492819 C CN 100492819C
- Authority
- CN
- China
- Prior art keywords
- rotor
- commutator
- varnish
- winding around
- 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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- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Dc Machiner (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
A protective unit of winding for the motor with stator, rotor, rotary shaft and commutator is a varnish absorption part arranged between said rotary shaft and commutator, which allows that the varnish can be coated onto the connection position between winding and commutator, so protecting the winding.
Description
Technical field
The invention belongs to the motor winding around.Particularly relate to and a kind ofly having between the rotor of being wrapped in and the commutator, the commutator segment connecting portion that varnish is coated onto link to each other with winding around prevents the winding coil protector of motor of the varnish absorption piece of winding around damage.
Background technology
Generally at direct current machine, for continuous rotary electromagnetic field need use commutator.The effect of commutator is the electric current of changing successively by the carbon brush supply, makes rotor no matter all allow it rotate to certain orientation where.
Fig. 1, Fig. 2 are the motor of dust collector that prior art is equipped with single-phase series electric motor, are simply described as follows:
Fig. 1 is the fragmentary cross-sectional view of the fan electromotor of the prior art dust catcher that is provided with single-phase series electric motor, and Fig. 2 is the exploded view of fan electromotor.As shown in the figure, original motor of dust collector be by, be fixed with stator 2 in downside motor housing 1 inboard that have mouthful, that have the inner space; Be provided with the aperture surface of stator 2 in the inboard of its stator 2 and keep rotatable rotor 3 under the fixed gap state; Central part at its rotor 3 has been pressed into rotating shaft 4; Being equipped with the bearing 11 that allows rotating shaft 4 rotate at its rotating shaft 4 both ends constitutes.Bearing 11 is supported by motor housing 1 and fan housing 8 respectively.
Also have,, be provided with at the downside of bearing 11 and be through on the rotating shaft 4, ac voltage rectifier is become the commutator 5 of direct voltage effect at the upside of rotor 3.Be equipped with in the lateral surface Elastic Contact of commutator 5 in the vertical direction of two side direction rotating shafts 4 of its commutator 5, give the carbon brush 6 of commutator 5 power supply functions.Also have, at a plurality of commutator segment 5a that are equipped with of the outer diametric plane equal intervals of commutator 5.On its each commutator segment 5a, be connected with the winding around 3a that is wrapped on the rotor 3.On the outer peripheral face of the winding around 3a of rotor 3, scribble varnish 12.
Also have, be equipped with the fan housing 8 of bearing 11 effects of fixed support rotating shaft 4 at the downside of motor housing 1.The downside of its fan housing 8 be provided with suck air effect, be fixed on the impeller 9 on the rotating shaft 4.Downside at its impeller 9 is equipped with impeller cover 10.
Following simple declaration is once as the rotation mechanism of the motor of dust collector under the prior art of above-mentioned formation.Give commutator 5 power supplies by the electric current of stator 2 copper cash by carbon brush 6 after applying AC power for stator 2 copper cash; The electric current that is fed on the commutator 5 is fed on rotor 3 copper cash after being rectified into direct current on the commutator 5; The electric current that is fed on rotor 3 copper cash flows out to the outside by opposite stator carbon brush 6 and stator 2 copper cash; When the electric current, the effect lower rotor part 3 of the electromagnetic field that produces in inside is just rotated as above-mentioned.
Also have, rotor 3 rotations drive impeller 9 rotations that cooperate with rotor 3 and make it to produce suction and suck air.Be equipped with the dust catcher of this kind motor, suck dust when sucking air.
Also have, in the motor of dust collector as above-mentioned formation, as shown in Figure 3, when the varnish that is coated in the winding around 3a part on the rotor 3 plays the coiling state of fixedly keeping winding around 3a, also play the diaphragm effect that prevents that winding around from damaging.
But, be connected to the part of commutator segment 5a being wrapped in winding around 3a on the rotor 3, promptly from being wrapped in winding around 3a part on the rotor 3 to the winding around 3a part that forms the commutator segment 5a, owing to the reason of surface characteristic and architectural characteristic can't be carried out varnish.Therefore, the winding around 3a of its part is in the state of leaking outside, and occurs the problem of damage or broken string in high speed rotating under the centrifugal action possibly.
Summary of the invention
The present invention for solve the technology technical problem that exists in the known technology provide a kind of to winding around that commutator links to each other on carry out the winding coil protector that varnish prevents the motor that winding around damages.
The technical scheme that the present invention is taked for the technology technical problem that exists in the solution known technology is: the winding coil protector of motor of the present invention, include by the motor that constitutes with the lower part: and rotatable rotor under the interaction between stator, and the rotatable rotating shaft that is supported on enclosure; Change supply of current successively and make rotor, and be fixed on the rotating shaft and be wrapped in the commutator that epitrochanterian winding around links to each other no matter go up where all to the certain orientation rotation; Also have between the rotor of being assemblied in and the commutator, allow be coated in epitrochanterian varnish and be coated onto the commutator connecting portion that links to each other with winding around, prevent the varnish absorption piece of winding around damage; The varnish absorption piece constitutes by being beneficial to the fibre object that absorbs varnish.
Advantage and good effect that the present invention has are:
The winding coil protector of motor of the present invention is, partly is tied with the varnish absorption piece at the winding around of commutator segment side.Therefore, varnish not only is coated onto rotor winding around part, and is coated onto simultaneously on the varnish absorption piece.So the winding around part of commutator segment side is compared with the structure that originally leaked outside, the fly line damage of the winding around in the time of can preventing high speed rotating, the effect of life-saving, raising reliability of products in addition.
Description of drawings
Fig. 1 is the fragmentary cross-sectional view of the fan electromotor of the prior art dust catcher that is provided with single-phase series electric motor;
Fig. 2 is the exploded view of prior art fan electromotor;
Fig. 3 is " A " portion amplification front view;
Fig. 4 is the exploded view of fan electromotor of the present invention;
Fig. 5 is " B " portion amplification front view of the preceding state of japanning of winding coil protector of the present invention;
Fig. 6 is " B " portion amplification front view of state after the japanning of winding coil protector of the present invention.
Embodiment
Below, as follows with reference to the embodiment of accompanying drawing and motor winding coil protector to the detailed description of the invention:
Fig. 4 is the exploded view of the fan electromotor of one embodiment of the invention; Fig. 5 is " B " portion amplification front view of the preceding state of japanning of winding coil protector of the present invention; Fig. 6 is " B " portion amplification front view of state after the japanning of winding coil protector of the present invention.
As shown in Figure 4 and Figure 5, as the motor of dust collector that is equipped with winding coil protector of one embodiment of the invention be by, be fixed with stator 2 in downside motor housing 1 inboard that have mouthful, that have the inner space; Be provided with the aperture surface of stator 2 in the inboard of its stator 2 and keep rotatable rotor 3 under the fixed gap state; Central part at its rotor 3 has been pressed into rotating shaft 4; Being equipped with the bearing 11 that allows rotating shaft 4 rotate at its rotating shaft 4 both ends constitutes.Bearing 11 is supported by motor housing 1 and fan housing 8 respectively.
Also have,, be provided with at the downside of bearing 11 and be through on the rotating shaft 4, ac voltage rectifier is become the commutator 5 of direct voltage effect at the upside of rotor 3.Be equipped with in the lateral surface Elastic Contact of commutator 5 in the vertical direction of two side direction rotating shafts 4 of its commutator 5, give the carbon brush 6 of commutator 5 power supply functions.Also have, at a plurality of commutator segment 5a that are equipped with of the outer diametric plane equal intervals of commutator 5.On its each commutator segment 5a, be connected with the winding around 3a that is wrapped on the rotor 3.
Also have, as shown in Figure 5, be connected to the part of commutator segment 5a being wrapped in winding around 3a on the rotor 3, promptly be tied with to the winding around 3a part that forms the commutator segment 5a and can absorb varnish, the varnish absorption piece 111 that constitutes by fibre object from being wrapped in winding around 3a part on the rotor 3.As shown in Figure 6, the varnish winding around 3a part that can be coated onto on the rotor 3 is coated onto on varnish absorption piece 111 parts time.
Motor of dust collector as above-mentioned formation is, applies AC power for stator 2 copper cash and makes rotor 3 rotations, and rotor 3 rotations drive the impeller 9 that cooperates with rotor 3 again and rotate and make it to produce suction and suck air.Be equipped with the dust catcher of this kind motor, suck dust when sucking air.
Also have, as shown in Figure 5, be connected to the part of commutator segment 5a being wrapped in winding around 3a on the rotor 3, promptly be tied with to the winding around 3a top that forms the commutator segment 5a and can absorb varnish, the varnish absorption piece 111 that constitutes by fibre object from being wrapped in winding around 3a part on the rotor 3.Therefore, partly varnished for rotor 3 winding around 3a at 112 o'clock, as shown in Figure 6, varnish 112 not only is coated onto the winding around 3a part on the rotor 3, and is coated onto on varnish absorption piece 111 parts simultaneously and protects winding around 3a.
According to winding coil protector, be tied with varnish absorption piece 111 to the winding around 3a top that forms the commutator segment 5a from the winding around 3a part that is wrapped on the rotor 3 as above-mentioned motor.Varnish 112 not only is coated onto the winding around 3a part on the rotor 3, and is coated onto simultaneously on varnish absorption piece 111 parts, the winding around 3a fly line damage when therefore preventing rotating shaft 4 high speed rotating.
Claims (1)
1, a kind of winding coil protector of motor is included by the motor that constitutes with the lower part: and rotatable rotor under the interaction between stator, and the rotatable rotating shaft that is supported on enclosure; Change supply of current successively and make rotor, and be fixed on the rotating shaft and be wrapped in the commutator that epitrochanterian winding around links to each other no matter go up where all to the certain orientation rotation; It is characterized in that also having between rotor of being assemblied in (3) and the commutator (5), allow be coated in epitrochanterian varnish and be coated onto the commutator connecting portion that links to each other with winding around, prevent the varnish absorption piece (111) of winding around damage; The varnish absorption piece constitutes by being beneficial to the fibre object that absorbs varnish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100728104A CN100492819C (en) | 2004-11-19 | 2004-11-19 | Winding coil protector for electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100728104A CN100492819C (en) | 2004-11-19 | 2004-11-19 | Winding coil protector for electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1780110A CN1780110A (en) | 2006-05-31 |
| CN100492819C true CN100492819C (en) | 2009-05-27 |
Family
ID=36770265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100728104A Expired - Fee Related CN100492819C (en) | 2004-11-19 | 2004-11-19 | Winding coil protector for electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100492819C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008054795A1 (en) * | 2008-12-17 | 2010-06-24 | Robert Bosch Gmbh | Rotor for electrical machine, has commutator, where lamellas are electrically connected with wires of rotor winding, and molding unit is provided, which has supports for wire adjustment |
| CN106026567A (en) * | 2016-07-11 | 2016-10-12 | 科德数控股份有限公司 | Motor based on rotor Z-shaped insulating varnish |
-
2004
- 2004-11-19 CN CNB2004100728104A patent/CN100492819C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1780110A (en) | 2006-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20090527 Termination date: 20111119 |