CN201682341U

CN201682341U - Shielded motor coil insulating structure

Info

Publication number: CN201682341U
Application number: CN2010201347524U
Authority: CN
Inventors: 张芳溥
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-02-21
Filing date: 2010-02-21
Publication date: 2010-12-22
Anticipated expiration: 2020-02-21

Abstract

The utility model discloses a shielded motor coil insulating structure, comprising an iron core, at least one plastic casing, a plurality of lacquered coil assemblies, a coil clip, a protective coat and a supporting frame, wherein, the iron core is provided with a plurality of reels; the plastic casing is provided with a plurality of insulators and is put close to the iron core, each insulator is pushed against one corresponding reel; each of the lacquered coil assemblies is correspondingly wound on one of the reels, meanwhile a first group of connector lugs and a second group of connector lugs are extended from the lacquered coil assemblies; the coil clip is fixed on the plastic casing and for the first group of connector lugs and the second group of connector lugs to pass through; the protective coat is connected with the plastic casing and provided with a containing space for containing the lacquered coil assemblies; the supporting frame is covered outside the protective coat and provided with a plurality of supporters.

Description

Screen type motor coil insulation system

Technical field:

The utility model is about a kind of motor coil insulation system, is meant a kind of screen type motor coil insulation system especially.

Background technology:

The structure of common screen type motor, at first, an iron core with most coiling support bodys is provided earlier, after setting up an insulation shell on the iron core, all be wound with the enameled wire loop group on each coiling support body afterwards, adhesive plaster again has been sticked outside the enameled wire loop group, promptly form the insulation system of common screen type motor coil, again this screen type motor coil insulation system is inserted in the die body at last, and injection of plastic promptly forms the housing of screen type motor so far in the die body after cooling.

Above-mentioned common screen type motor configuration, because plastics are that thermosetting material is made, if directly cast not only thrusts enameled wire loop easily, and has glass fibre in these plastics, when casting flows, also can destroy the insulation enamelled coating on enameled wire loop group surface, and these plastics are when die cast, the iron core part at center often produces distortion because bearing excessive pressure, cause the manufacture method fraction defective of common screen type motor to rise relatively, and waste material produces too much, will increase the disappearance of production cost relatively, therefore how go to address the above problem, be the dealer urgently remains seeking solution and improvements always.

The utility model content:

The purpose of this utility model is to provide a kind of screen type motor coil insulation system, and it can not cause it to produce distortion by the crushing iron core when cast bulk mold member (BMC), improves thereby make motor make qualification rate.

For reaching above-mentioned purpose, the utility model provides a kind of screen type motor coil insulation system, includes: an iron core has most coiling support bodys; At least one plastic casing has most barrier bodies, and this plastic casing reclines mutually with aforementioned iron core, and each barrier bodies is corresponding one by one and abut on the aforementioned coiling support body; Most enameled wire loop groups, each enameled wire loop group is corresponding and be wrapped on the aforementioned barrier bodies, and these most enameled wire loop group is extended one first winding the end of a thread and one second winding the end of a thread; One cableties are fixed on the aforementioned plastic casing, and these cableties provide aforementioned first winding the end of a thread and second winding the end of a thread to pass through; One protective coat is to be connected with aforementioned plastic casing, and this protective coat has the aforementioned majority of a holding space for holding enameled wire loop group; And a bracing frame, coating aforementioned protective coat, and this bracing frame has most supporters; Utilize iron core to recline mutually with a plastic casing, make each enameled wire loop group corresponding and be wrapped on the barrier bodies of plastic casing, cableties are fixed on the aforementioned plastic casing, and these cableties provide first winding the end of a thread of enameled wire loop group and second winding the end of a thread to pass through, and protective coat is connected with plastic casing, the aforementioned majority of the holding space for holding that protective coat is had an enameled wire loop group again, and bracing frame coated aforementioned protective coat.

Described plastic casing is that direct casting is on aforementioned core exterior surface.

Described protective coat is that direct casting is on the outer surface of aforementioned enameled wire loop group and plastic casing.

Support frame as described above is made for the thermoplasticity material.

Compared with prior art, the beneficial effect that the utility model had is: the utility model utilizes bracing frame coating protective coat, and bracing frame has most supporters, when making cast bulk mold member (BMC), can not cause iron core to produce distortion by crushing, reach motor and make the qualification rate raising.

Further understand and understanding for your juror is had technical characterictic of the present utility model and the effect reached, below sincerely provide a preferred embodiment and correlative type to think the usefulness of assisting a ruler in governing a country, and with describe in detail literal cooperate explanation as after.

Description of drawings:

Fig. 1 is the perspective view of iron core one preferred embodiment of the present utility model.

Fig. 2 is the perspective view that the iron core of the new shape of this practicality is superimposed with one preferred embodiment of two plastic casings.

Fig. 3 is the perspective view that iron core of the present utility model is arranged with most enameled wire loop group one preferred embodiments.

Fig. 4 is the perspective view that enameled wire loop group of the present utility model has additional protective coat one preferred embodiment outward.

Fig. 5 is the perspective view of screen type motor coil insulation system of the present utility model one preferred embodiment.

Embodiment:

See also Fig. 1 to shown in Figure 5, perspective view, the iron core that is superimposed with one preferred embodiment of two plastic casings for perspective view, the iron core of a kind of screen type motor coil of the utility model insulation system one preferred embodiment is arranged with the perspective view of most enameled wire loop group one preferred embodiments, perspective view that the enameled wire loop group has additional protective coat one preferred embodiment outward, and the perspective view of screen type motor coil insulation system one preferred embodiment.This screen type motor coil insulation system of the utility model, one iron core 1 is provided at first as shown in Figure 1, this iron core 1 is formed by stacking by most lamination 1a, each lamination 1a is that high magnetic conductive material is made via punching press, and each lamination 1a has most coiling lamellar body 11a, therefore each lamination 1a one by one with each coiling lamellar body 11a contraposition superimposed after, make this iron core 1 form structure with most coiling support bodys 11.

Seeing also shown in Figure 2ly, is the perspective view of superimposed plastic casing one preferred embodiment of the utility model iron core.In the utility model one preferred embodiment, described iron core 1 is provided with a plastic casing 2, this plastic casing 2 is formed in one direct casting on the outer surface of described iron core 1, and this plastic casing 2 has more most barrier bodies 21, and each barrier bodies 21 is corresponding one by one with described coiling support body 11, and abuts on the aforementioned coiling support body 11.

Seeing also shown in Figure 3ly, is the perspective view that the utility model iron core is arranged with most enameled wire loop group one preferred embodiments.On each barrier bodies 21 of plastic casing 2 described in the utility model, corresponding respectively and be wound with an enameled wire loop group 3, and most enameled wire loop groups 3 on this iron core 1 are for interconnecting.And a described majority enameled wire loop group 3 is extended one first winding the end of a thread 31 and one second winding the end of a thread 32.More provide cableties 4 to be fixed on the aforementioned plastic casing 2 in the utility model one preferred embodiment, and aforementioned first winding the end of a thread 31 and second winding the end of a thread 32 are passed through aforementioned cableties 4.

Seeing also shown in Figure 4ly, is the perspective view that the utility model enamelled wire group has additional protective coat one preferred embodiment outward.The utility model is outside equipped with a protective coat 5 in enameled wire loop group 3, this protective coat 5 is connected with aforementioned plastic casing 2, this protective coat 5 has an accommodation space 51 a ccontaining aforementioned majority enameled wire loop group 3, the direct casting and coating the iron core 1 that is arranged with aforementioned enameled wire loop group 3 on the plastic casing 2 and aforementioned protective coat 5 is formed in one.

Learn by above-mentioned each bilge construction, when combination, described iron core 1 has most coiling support bodys 11, one plastic casing 2 has most barrier bodies 21, and recline mutually with aforementioned iron core 1, each barrier bodies 21 of described plastic casing 2 is corresponding one by one, and abut on the aforementioned coiling support body 11, each enameled wire loop group 3 is corresponding and be wrapped on the aforementioned barrier bodies 21, and a majority enameled wire loop group 3 is extended one first winding the end of a thread 31 and one second winding the end of a thread 32, described cableties 4 are fixed on the aforementioned plastic casing 2, and these cableties 4 provide first winding the end of a thread 31 and second winding the end of a thread 32 to pass through, and protective coat 5 is connected with plastic casing 2, the accommodation space 51 ccontaining aforementioned majority enameled wire loop group 3 that protective coat 5 is had, again bracing frame 6 is being coated aforementioned protective coat 5, and support frame as described above 6 have most supporters 61.

Please add and consult shown in Figure 5ly, be the perspective view of the utility model screen type motor coil insulation system one preferred embodiment.Screen type motor coil insulation system of the present utility model be with: after the iron core 1 with protective coat 5 is inserted in the die body (not illustrating in addition among the figure), inject one first material plastics with aforementioned plastic casing 2 and protective coat 5 same materials, therefore aforementioned plastic casing 2 and protective coat 5 adhere can be integral, after cooling, said structure can form a bracing frame 6.And this bracing frame 6 is provided with most supporters 61, because the aforementioned first material plastics are that the thermoplasticity material is made, and good fluidity and less to the infringement of enameled wire loop group 3 generation frictions.And then carry out the motor back-end process, that is, when in aforementioned die body, reinjecting one second material plastics, because these second material plastics are that the thermosetting material is made, just can make the intensity of described motor case reach requirement, and because aforementioned bracing frame 6 is provided with most supporters 61, when therefore pouring into a mould the second material plastics again, be unlikely to make aforementioned iron core 1 to deform, and can improve the yield of producing.

But only above-described embodiment should not be used to limit range of application of the present utility model, protection range of the present utility model should based on claim item scope institute's definition techniques spirit of the present utility model and impartial change included scope.Promptly the equalization of being done according to the utility model claim item scope generally changes and modifies, and will not lose main idea of the present utility model place, does not also break away from spirit and scope of the present utility model, so all should be considered as further enforcement situation of the present utility model.

Claims

1. screen type motor coil insulation system is characterized in that including:

One iron core has most coiling support bodys;

At least one plastic casing has most barrier bodies, and this plastic casing reclines mutually with aforementioned iron core, and each barrier bodies is corresponding one by one and abut on the aforementioned coiling support body;

Most enameled wire loop groups, each enameled wire loop group is corresponding and be wrapped on the aforementioned barrier bodies, and these most enameled wire loop group is extended one first winding the end of a thread and one second winding the end of a thread;

One cableties are fixed on the aforementioned plastic casing, and these cableties provide aforementioned first winding the end of a thread and second winding the end of a thread to pass through;

One protective coat is to be connected with aforementioned plastic casing, and this protective coat has the aforementioned majority of a holding space for holding enameled wire loop group; And

One bracing frame is coating aforementioned protective coat, and this bracing frame has most supporters;

Utilize iron core to recline mutually with a plastic casing, make each enameled wire loop group corresponding and be wrapped on the barrier bodies of plastic casing, cableties are fixed on the aforementioned plastic casing, and these cableties provide first winding the end of a thread of enameled wire loop group and second winding the end of a thread to pass through, and protective coat is connected with plastic casing, the aforementioned majority of the holding space for holding that protective coat is had an enameled wire loop group again, and bracing frame coated aforementioned protective coat.

2. screen type motor coil insulation system as claimed in claim 1 is characterized in that: described plastic casing is that direct casting is on aforementioned core exterior surface.

3. screen type motor coil insulation system as claimed in claim 1 is characterized in that: described protective coat is that direct casting is on the outer surface of aforementioned enameled wire loop group and plastic casing.

4. screen type motor coil insulation system as claimed in claim 1 is characterized in that: support frame as described above is made for the thermoplasticity material.