CN102195381B - Motor, fabrication method therefore and compression engine - Google Patents

Motor, fabrication method therefore and compression engine Download PDF

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Publication number
CN102195381B
CN102195381B CN201110054957.0A CN201110054957A CN102195381B CN 102195381 B CN102195381 B CN 102195381B CN 201110054957 A CN201110054957 A CN 201110054957A CN 102195381 B CN102195381 B CN 102195381B
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CN
China
Prior art keywords
pawl
motor
insulating trip
tooth
insulator
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CN201110054957.0A
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Chinese (zh)
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CN102195381A (en
Inventor
荒井利夫
田岛庸贺
冈启一郎
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/14Stator cores with salient poles
    • H02K1/146Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148Sectional cores
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/16Stator cores with slots for windings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/18Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/185Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/32Windings characterised by the shape, form or construction of the insulation
    • H02K3/34Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • H02K3/345Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/46Fastening of windings on the stator or rotor structure
    • H02K3/52Fastening salient pole windings or connections thereto
    • H02K3/521Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06Means for converting reciprocating motion into rotary motion or vice versa
    • H02K7/075Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Compressor (AREA)
  • Windings For Motors And Generators (AREA)

Abstract

The invention discloses a motor, fabrication method thereof and compression engine capable of firmly wiring a coil and a film insulation sheet for dividing fixed iron core, which is characterized by easy fabrication and high dependability; two axial end faces of a dividing stator iron core (6) is equipped with an insulation body (7) of an insulation part made of resin; film insulation sheets (8) are arranged on a rear yoke (9), a tooth (10) and a front end of tooth (11) of the dividing stator iron core (6); both ends of an outer wall (12) and an inner wall (13) of the insulation body (7) are provided with outer clawa (15) and inner claws (16); the side end of the outer circle of the film insulation sheet (8) is clamped between the outer claw (15) and the end of the rear yoke (9); the side end of the inner circle of the film insulation sheet (8) is clamped between the inner claw (16) and the end of the front end of tooth (11).

Description

The manufacture method of motor, motor, compressor
Technical field
The present invention relates to possess in the tooth portion of the rotating electrical machine stator iron core of motor etc. the direct motor of the stator of winding around with and manufacture method, possess the compressor of this motor.
Background technology
In the past, the turning motor such as induction motor used the string of brushless DC motor around formula motor mostly.Around the inner surface of the stator of this motor, by multiple teeth are all uniformly-spaced set, in these tooth portions, configure insulating material, direct winding around around insulating material.The insulation system of stator core and coil, also the insulator of the insulating element of useful ester moulding cover tooth portion complete cycle and back yoke coil winding groove side method or the method for the insulator of the insulating element of ester moulding and the compound covering of membranaceous insulating trip (for example, with reference to patent documentation 1).
Prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2008-061443 communique (5-18 page, Fig. 5)
Summary of the invention
Invent problem to be solved
In recent years, require the turning motor minitype high-performances such as induction motor.As helping one of means of minitype high-performance, the tankful amount that has to improve coil is object, the insulating material that has carried out ester moulding by heavy wall is changed into the membranaceous insulating trip of thin-walled, increases the method for coil winding amount by increasing the effective area of slot part of winding around.The method is by tooth portion and the back yoke of the inner surface of the slot part of membranaceous insulating trip covering stator iron core, by the axial two ends face of the insulator covering stator iron core of the insulating element of ester moulding.Projection that the ester moulding extending to stator core internal direction is set around the end of this insulator is claw-like, the end that is kept above-mentioned membranaceous insulating trip by the projection of this claw-like, prevents that membranaceous insulating trip misplaces in the time of winding around.
But, in the jut of claw-like and membranaceous insulating trip both sides' the overlapping part of insulating material, because the thickness of insulating material increases, the effective area of the slot part of winding around is reduced, existence can not fully obtain the such problem of effect of minitype high-performance.In addition, because the jut that ester moulding is claw-like is configured in the scope of slot part of winding around, so, because jut directly contacts with coil, scratch coil by the bight of jut, make insulating coating deteriorated, also likely cause insulating reliability to reduce.
The present invention makes in order to solve above-mentioned problem, and the first object is the high performance motor that effective area is improved, insulating reliability is high that obtains the slot part of winding around.
In addition, the second object be obtain have use this insulation system motor, to utilize this motor to carry out the compressor of refrigerant compression as the high running efficiency of feature.
Solve the means of problem
Motor of the present invention, is characterized in that, possesses: rotor; Multiple segmentation iron cores, the plurality of segmentation iron core is configured to ring-type in the mode of surrounding described rotor, has rear yoke and yoke extends to described stator direction from described tooth; Insulating trip, this insulating trip is arranged on described segmentation iron core; Insulator, this insulator is arranged on the end face of the described segmentation iron core vertical with the rotating shaft cardinal principle of described rotor, have the end face that covers described tooth tooth covering part, be positioned at described tooth covering part inner circumferential side inwall and be installed on the outer wall of the end face of described rear yoke at outer circumferential side, there is the mechanism that keeps described insulating trip in the circumferential at least described outer wall of described segmentation iron core or the end of described inwall; And coil, this coil is wrapped on described tooth via described tooth covering part and described insulating trip.
In addition, the manufacture method of motor of the present invention, is characterized in that, possesses: keep operation, keep described insulating trip by described maintenance pawl; Winding working procedure, via described insulating element and described insulating trip by described coil winding on described tooth; With excision operation, excise described maintenance pawl from described insulating element.
In addition, the manufacture method of motor of the present invention, is characterized in that, possesses: keep operation, with by insulating trip described in a slice across described multiple segmentation iron cores cover the mode of the inner peripheral surface of the radially inner side of described tooth, kept by the described maintenance pawl at the both ends of being located at described inwall; Winding working procedure, via described insulating element and described insulating trip by described coil winding on described tooth; Cut off operation, the position that described comparing of described insulating trip tooth is positioned to radially inner side cuts off; And bending operation, the cutting portion of described insulating trip is turned back to radial outside, cover described coil by described insulating trip.
In addition, compressor of the present invention, is characterized in that, possess motor, be fixed on motor rotor center portion bent axle and carried out the discharge chambe of compressed refrigerant by the rotation of described bent axle, wherein, described electric tools is standby: rotor; Multiple segmentation iron cores, the plurality of segmentation iron core is configured to ring-type in the mode of surrounding described rotor, has rear yoke and yoke extends to described stator direction from described tooth; Insulating trip, this insulating trip is arranged on described segmentation iron core; Insulator, this insulator is arranged on the end face of the described segmentation iron core vertical with the rotating shaft cardinal principle of described rotor, have the end face that covers described tooth tooth covering part, be positioned at described tooth covering part outer circumferential side outer wall and be positioned at the inwall of inner circumferential side, there is the mechanism that keeps described insulating trip in the circumferential at least described outer wall of described segmentation iron core or the end of described inwall; And coil, this coil is wrapped on described tooth via described tooth covering part and described insulating trip.
The effect of invention
Motor of the present invention is owing to being configured to, on the insulator at axial both ends of segmentation iron core that is disposed at its stator, the maintenance pawl of the end of the membranaceous insulating trip on tooth and rear yoke for keeping being configured in stator core inside is configured in outside the scope of groove of winding around, so, increase the effective area of the slot part of winding around, there is the effect that can improve running efficiency.In addition, because not being configured to, the maintenance pawl of insulator of the present invention contacts with the coil being wound around, so, can, because the jut that keeps pawl scratches coil, can not prevent the deteriorated of insulating coating, there is the effect that can improve insulating reliability.
In addition, compressor of the present invention is because the power that utilization possesses the motor of the stator that the effective area of slot part of rotor and winding around is large carrys out compressed refrigerant, so, there is the effect that can improve running efficiency.
Accompanying drawing explanation
Fig. 1 is the stereogram of the motor of embodiment of the present invention 1.
Fig. 2 is the exploded perspective view of cutting apart core of the motor of embodiment of the present invention 1.
Fig. 3 is the stereogram of cutting apart core of the motor of embodiment of the present invention 1.
Fig. 4 represents the maintenance pawl of motor of embodiment of the present invention 1 and the cutaway view of the position relationship of insulating trip.
Fig. 5 is the stereogram that represents stator assembling procedure one example of the motor of embodiment of the present invention 1.
Fig. 6 is the stereogram that represents stator assembling procedure one example of the motor of embodiment of the present invention 1.
Fig. 7 is the vertical view that represents stator assembling procedure one example of the motor of embodiment of the present invention 1.
Fig. 8 is the vertical view that represents stator assembling procedure one example of the motor of embodiment of the present invention 1.
Fig. 9 is the stereogram of the stator of the motor of embodiment of the present invention 1.
Figure 10 is the exploded perspective view that represents stator assembling procedure one example of the motor of embodiment of the present invention 2.
Figure 11 is the stereogram that represents stator assembling procedure one example of the motor of embodiment of the present invention 2.
Figure 12 is the cutaway view of the stator arrangement of the motor of embodiment of the present invention 2 state circlewise.
Figure 13 represents the interior pawl of stator of the motor of present embodiment 2 of the present invention and the cutaway view of the position relationship of outer pawl.
Figure 14 is the stereogram of the stator arrangement of the motor of embodiment of the present invention 2 state circlewise.
Figure 15 is other the routine stereograms of stator assembling procedure that represent the motor of embodiment of the present invention 2.
Figure 16 is other the routine stereograms of stator that represent the motor of embodiment of the present invention 2.
Figure 17 is the stereogram of cutting apart core of the motor of embodiment of the present invention 3.
Figure 18 is the stereogram that other of motor of embodiment of the present invention 3 are cut apart core.
Figure 19 is the stereogram that represents the assembling procedure of cutting apart core of the motor of embodiment of the present invention 4.
Figure 20 is the stereogram of cutting apart core assembling procedure that represents the motor of embodiment of the present invention 4.
Figure 21 is the stereogram of cutting apart core assembling procedure that represents the motor of embodiment of the present invention 4.
Figure 22 is the stereogram of cutting apart core assembling procedure that represents the motor of embodiment of the present invention 4.
Figure 23 is the stereogram during to internal diameter lateral bend the end, inner circumferential side of the membranaceous insulating trip of cutting apart core of embodiment of the present invention 4.
Figure 24 is the cutaway view that represents the manufacturing process of the stator of the motor of embodiment of the present invention 5.
Figure 25 is the cutaway view of the compressor of embodiment of the present invention 6.
Embodiment
Execution mode 1.
Fig. 1 is the stereogram of the motor 1 of embodiment of the present invention 1.Motor 1 has the stator 3 that is positioned at the rotor 2 of its central general cylindrical shape and is configured to ring-type to surround the mode of side of outside diameter of this rotor 2.Be installed with bent axle 4 in the central authorities of rotor 2, stator 3 is cut apart core 5 by 12 and is formed.When cutting apart core 5 and supply with electric power, rotor 2 rotates centered by the rotating shaft 4a of bent axle 4.In addition, in present embodiment 1, describe cutting apart by 12 the stator 3 that core 5 forms, but the quantity of cutting apart core 5 is not limited to 12, as long as multiple.
Then, with Fig. 2, the core 5 of cutting apart of stator 3 is described.Fig. 2 has decomposed the stereogram of cutting apart core 5.Cut apart core 5 and there is the stator core of cutting apart 6, insulator 7 and membranaceous insulating trip 8.The thin plate of cutting apart the magnetic of stator core 6 lamination iron or copper etc. forms, and insulator 7 is the insulating elements that are located at respectively a pair of ester moulding in the both ends of the surface of cutting apart stator core 6 vertical with rotating shaft 4a cardinal principle.Membranaceous insulating trip 8 has 2, is mounted to from the left and right sides and covers respectively the side of cutting apart stator core 6 except outer peripheral face and the inner peripheral surface of stator.
And then, shape and the configuration of cutting apart stator core 6, insulator 7 and membranaceous insulating trip 8 are elaborated.Cut apart stator core 6 and there is the rear yoke 9 extending in circumferential certain circular arc scope of stator 3 and the tooth 10 that the middle body of yoke 9 extends to the inside direction square, i.e. rotor 2 in footpath of stator 3 from this.The tooth leading section 11 that is positioned at the front end of tooth 10 becomes its end from tooth 10 to circumferential outstanding shape, is formed for the groove of winding around by rear yoke 9, tooth 10 and tooth leading section.The tooth leading section inner peripheral surface 11a of the radially inner side of tooth leading section 11 is circular-arc curved surfaces, across gap and rotor 2 in opposite directions.
Insulator 7 be formed with and the outer wall 12 of rear yoke 9 position in opposite directions, and the inwall 13 of tooth leading section 11 position in opposite directions, between outer wall 12 and inwall 13, cover the end face of tooth 10 and by the tooth covering part 14 of its insulation, be configured to and be located at the outer circumferential side configuration outer wall 12 of stator 3 of tooth covering part 14 of end face of tooth 10, at inner circumferential side configuration inwall 13,, outer wall 12 is arranged on the end face of rear yoke 9, tooth covering part 14 is arranged on the end face of tooth 10, and inwall 13 is arranged on tooth leading section 11.Be provided with the multiple maintenance pawls as maintaining body that keep membranaceous insulating trip 8 for interim at the circumferential end face of the stator 3 of outer wall 12 and inwall 13.Be provided with respectively inside outer pawl 15b outside 15a and outer pawl at the circumferential both ends of outer wall 12, inside outer pawl, 15a is near the internal side diameter of the outer wall 12 of an end, outside outer pawl, 15b is in the other end near the outside diameter of outer wall 12, and the mode outstanding with the circumferential end from rear yoke 9 forms towards cutting apart stator core 6 in rotating shaft 4a direction.In addition, same with outer wall 12, be provided with inside interior pawl 16b outside 16a and interior pawl at the circumferential both ends of inwall 13, inside interior pawl, 16a is near the internal side diameter of the inwall 13 of an end, outside interior pawl, 16b is in the other end near the outside diameter of inwall 13, and the mode outstanding with the circumferential end from tooth leading section 11 forms towards cutting apart stator core 6 in rotating shaft 4a direction.Insulator 7 is for example cut apart on stator core 6 by pin with chimeric etc. being fixed on of cutting apart on stator core 6 hole (not shown) that arranges.In addition, in present embodiment 1, to keeping pawl to describe as the formation of maintaining body, but maintaining body is not particularly limited to keep pawl, also can be formed as, in the circumferential end of outer wall 12 or inwall 13, gap or clip are set, insert therein membranaceous insulating trip 8 and be fixed.
In present embodiment 1, using the insulator 7 of the upside of Fig. 2 as the first insulator, using the insulator 7 of downside as the second insulator, but because both major parts are same shapes, so give identical Reference numeral.In addition, at this, illustrate the first insulator and the second insulator are located to the formation the both ends of the surface of cutting apart stator core 6 from the rotating shaft direction of bent axle 4, but these insulators being not limited to same shape in Fig. 2, can be also mutual different shape.For example, if only maintaining body is set at an insulator, can keep membranaceous insulating trip 8 by this maintaining body, also can be configured at another insulator maintaining body is not set.In addition, can be also that the maintaining body of an insulator is made as to maintenance pawl, the maintaining body of another insulator be made as be located at outer wall 12, inwall 13 with the formation etc. in gap of circumferential end of cutting apart the face that stator core 6 joins.In addition, in Fig. 2, be configured at outer wall 12 and the inwall 13 of insulator 7 maintenance pawl is set, if but can keep the structure of membranaceous insulating trip 8, any that also can be configured in outer wall 12 or inwall 13 arranges maintenance pawl.
In addition, in Fig. 2, illustrate for the formation of cutting apart the pawl portion of dodging each other of the maintenance pawl of cutting apart core of receiving adjacency when core 5 is configured to ring-type and be arranged on the root that keeps pawl, but also being as described later configured to like that of execution mode 3,4 explanations pawl be not set dodge portion.The formation of the pawl of present embodiment 1 being dodged to portion illustrates after a while.
Membranaceous insulating trip 8 covers the side both sides of the peripheral part of interior perimembranous, tooth 10 and the tooth leading section 11 of the rear yoke 9 of cutting apart stator core 6, membranaceous insulating trip 8 and insulator 7 being assembled into while cutting apart stator core 6, first as shown in Figure 2, membranaceous insulating trip 8 is carried out to bending forming, make to cut apart the rear yoke 9 of stator core 6 and the intersection point of tooth 10 and line 17a involutory, make intersection point and the line 17b of tooth 10 and tooth leading section 11 involutory, make the outer radial periphery side of tooth leading section 11 involutory with intersection point and the line 17c of cutting apart sub-iron core 6.Then, with the above-mentioned intersection point of cutting apart stator core 6 involutory carried out bending forming two membranaceous insulating trip 8 fluid-tight engagement in cutting apart stator core 6.In addition, to cut apart the gap of 15b outside 15a inside the end of rear yoke 9 of stator core 6 and outer pawl, outer pawl and inserting the mode of membranaceous insulating trip 8, the mode of inserting equally membranaceous insulating trip 8 with the gap of 16b outside 16a, interior pawl inside the both ends at tooth leading section 11 and interior pawl, is arranged on insulator 7 side of cutting apart stator core 6 from axial both sides.Thereafter, via insulator 7 and membranaceous insulating trip 8, winding around on tooth 10 and assemble and cut apart core 5.In addition, it is desirable to, membranaceous insulating trip 8 is for example the insulator being made up of the resin of PE T (polyethylene terephthalate) etc., plastics, and thickness is for example than 0.075~0.25mm of the thin thickness of the thinnest part of the insulator of ester moulding 7.
Then, in Fig. 3, illustrate winding around 18 on the tooth of cutting apart stator core 6 10 being covered by insulator 7 and membranaceous insulating trip 8 state cut apart core 5.Two membranaceous insulating trips 8 outer circumferential side end 8a is separately clamped by 15b outside 15a, outer pawl inside outer pawl, and end, inner circumferential side 8b is clamped by 16b outside 16a, interior pawl inside interior pawl.Cut apart stator core 6 and coil 18 by insulator 7 and membranaceous insulating trip 8 electric insulations.
As shown in Figure 3, in the groove that the outer wall 12 of the rear yoke 9 shown in Fig. 2, tooth leading section 11, insulator 7 and inwall 13 and tooth covering part 14 form via membranaceous insulating trip 8 winding arounds 18 after, press to arrow A direction by the outer circumferential side end 8a membranaceous insulating trip 8, end, inner circumferential side 8b is pressed to arrow B direction, can make outer circumferential side end 8a easily take off from 15b outside 15a, outer pawl inside outer pawl, end, inner circumferential side 8b easily takes off from 16b outside 16a, interior pawl inside interior pawl.Then, the outer circumferential side end 8a of membranaceous insulating trip 8 is to internal side diameter bending radially, and end, inner circumferential side 8b is to outside diameter bending radially.
Fig. 4 represents the position relationship of 16b outside the end, membranaceous insulating trip 8, interior pawl of the tooth leading section 11 of cutting apart stator core 6.Be t at the thickness of establishing membranaceous insulating trip 8, when the height of the outer wall 12 of insulator 7 and the lapping portion 19 of membranaceous insulating trip 8 is L, the clearance C of the end face of the front end of 16b and the rotating shaft 4a direction of tooth leading section 11 becomes H < C≤L/3 outside interior pawl.In addition, outside interior pawl, the clearance D of the circumferential front end of 16b and tooth leading section 11 becomes t < D≤5t.Thus, when winding around 18,16b can clamp end, the inner circumferential side 8b of membranaceous insulating trip 8 conscientiously outside interior pawl.In addition, more than the height L of lapping portion 19 is at least made as 2mm.By such work, more than the coil that operation is wound around in the back can be made as 2mm with the surface distance of cutting apart stator core 6, can improve the insulating reliability of motor.In addition, outside the internal pawl of Fig. 4,16b is illustrated, in addition for keeping pawl too.
Then, with Fig. 5, Fig. 6 to fluid-tight engagement multiple cut apart core 5 and be configured to ring-type assemble the operation of stator 3 and describe.At the outer wall 12 of insulator 7 of present embodiment 1 and the root of the maintenance pawl of inwall 13, the pawl that is provided with spill or kerf is dodged portion.Inside pawl, the outer circumferential side of the root of 15a arranges outer pawl and dodges the 20a of portion outside, outside pawl, the inner circumferential side of the root of 15b arranges outer pawl and dodges the 20b of portion outside, inside interior pawl, the peripheral direction of the root of 16a arranges interior pawl and dodges the 21a of portion equally, and outside interior pawl, the interior Zhou Fangxiang of the root of 16b arranges interior pawl and dodges the 21b of portion.In Fig. 5 inside the interior pawl of cutting apart core 5 on illustrated right side outside the interior pawl of cutting apart core 5 in the left side of 16a and adjacency 16b in arrow E radially, F direction mutually in upwards lapping configuration of week.Equally, inside outer pawl outside the outer pawl of cutting apart stator core 6 of 15a and adjacency 15b in arrow G radially, H direction during mutually in circumferential lapping configuration, being configured to inside outer pawl 15a is accommodated in outer pawl and dodges the 20b of portion, outside same outer pawl, 15b is accommodated in outer pawl and dodges the 20a of portion, inside interior pawl, 16a is accommodated in interior pawl and dodges the 21b of portion, and 16b is accommodated in interior pawl and dodges the 21a of portion outside interior pawl.
As shown in Figure 6, when the cutting apart core 5 and be configured to assemble stator annularly of specified quantity, each keeps pawl can mutually not interfere, not circumferentially being accommodated in and dodging in part contiguously in lapping.In addition, Figure 12 illustrate omit coil 18 and membranaceous insulating trip 8 state cut apart core 5.
Illustrate fluid-tight engagement and configure at Fig. 7 and multiplely cut apart core 5, a maintenance pawl of cutting apart core 5 is accommodated in to the vertical view of dodging the state in portion that another cuts apart core 5.Cutting apart before core 5 is assembled into ring-type, by as described at Fig. 3, make the outer circumferential side end 8a radius vector of membranaceous insulating trip 8 to internal diameter lateral bend, make end, inner circumferential side 8b to radial outer diameter lateral bend, as shown in Figure 7, outer circumferential side end 8a is subject to being located at stopping of 15a inside the outer pawl of insulator 7, can prevent from being clamped by the end of the rear yoke 9 of cutting apart core 5 of adjacency.In addition, end, inner circumferential side 8b is stopped by 16b outside interior pawl, can prevent from exposing to internal side diameter from the end of tooth leading section 11.Illustrate at Fig. 7 the state of coil of omitting, but when cutting apart core 5 and be assembled into ring-type, in the groove 22 forming in outer wall 12, inwall 13, the tooth covering part 14 of cutting apart the rear yoke 9 of stator core 6, tooth 10, tooth leading section 11 and insulator 7, be wound with coil.
In addition, in above-mentioned example, be configured at the outer wall 12 of insulator 7 15b outside 15a inside outer pawl, outer pawl is set, at inwall 13,16b outside 16a inside interior pawl, interior pawl is set, but only also can be configured at inwall 13 16b outside 16a inside interior pawl, interior pawl is set, or only at outer wall 12,15b outside 15a inside outer pawl, outer pawl is set.
In addition, in above-mentioned Fig. 7, be configured to the remainder of end, the inner circumferential side 8b of membranaceous insulating trip 8 to groove 22 lateral bends, and Fig. 8 represents be the remainder of end, inner circumferential side 8b be set as necessary MIN surface distance, not to the formation of groove 22 lateral bends.Fig. 8 (a) represents that in order to assemble multiple stators 3, the state midway of cutting apart core 5 and be configured to ring-type, Fig. 8 (b) diagram is configured to ring-type and the pawl of cutting apart core 5 that keeps pawl to be accommodated in adjacency is dodged to the state in portion cutting apart core 5.
In Fig. 8 (a), end, the inner circumferential side 8b of membranaceous insulating trip 8 is along 11 bendings of tooth leading section, is clamped in respectively outside 16a inside the end of tooth leading section 11 and interior pawl, interior pawl between 16b.In Fig. 8 (b), in the 8b of the end, inner circumferential side of membranaceous insulating trip 8, by end, the inner circumferential side 8b of 16a clamping inside the end of tooth leading section 11 and interior pawl, pressed by 16b outside the interior pawl of adjacency and move to interior pawl and dodge the 21b of portion.In addition, same, pressed by 16a inside the interior pawl of adjacency by end, the inner circumferential side 8b of 16b clamping outside the end of tooth leading section 11 and interior pawl and move to interior pawl and dodge the 21a of portion.Thus, each end, inner circumferential side 8b is configured as bending, is clamped by 16b outside 16a, interior pawl inside interior pawl simultaneously.In Fig. 8, the width of end, inner circumferential side 8b is below the radial width of end of tooth leading section 11, is configured to end, inner circumferential side 8b inwardly all not side-prominent from tooth leading section 11.
By so multiple cores 5 of cutting apart being configured to ring-type, the stator 3 of the maintenance pawl lapping of cutting apart core of the maintenance pawl shown in can assembly drawing 9 and adjacency.
As implied above, the motor of present embodiment 1, due to 16b outside 16a, interior pawl inside 15b, interior pawl outside 15a, outer pawl inside the outer pawl of the maintenance pawl as insulator 7 with cut apart stator core 6 and clamp membranaceous insulating trip 8 and it is carried out to winding around 18 under the interim state keeping, so, in the time of winding around 18, can prevent the dislocation of membranaceous insulating trip 8.Thus, owing to not needing to use the bonding agent as auxiliary material for fixing membranaceous insulating trip 8, do not need for carrying out the fixing heat power supply device of heat bonding or keep the special device of membranaceous insulating trip 8 on wind, so it is cheap that Master Cost, manufacturing installation become yet.
In addition, because the maintenance pawl of insulator 7 is arranged on as the outer wall 12 beyond the scope of the slot part of winding around 18 and the circumferential end of inwall 13, so, in the time being wound around, keep pawl not contact with coil 18, can prevent insulating coating deteriorated of the coil 18 being produced by their contact, thereby, the motor that insulating reliability is high can be provided.
And then, be set as not the outstanding shape of slot part of the winding around 18 of the axial end portion from cutting apart stator core 6 by handle and the end shape of the insulator 7 that contacts of the axial both ends of cutting apart stator core 6 of rotation, the area of the thickness of removing membranaceous insulating trip 8 of described slot part becomes effective groove area, improve copper factor by the thick line of coil 18 or the increase of writhing number, can improve the running efficiency of motor.
In addition, because each keeps pawl to circumferentially giving prominence to and lapping, so, in the axial both ends of cutting apart stator core 6, gap between the end of the tooth leading section 11 of cutting apart core 5 of adjacency is blocked, has the effect that the remainder of end, the inner circumferential side 8b that prevents membranaceous insulating trip 8 exposes from the gap between the end of the tooth leading section 11 of cutting apart core 5 of adjacency.And then, also the axial both ends of the remainder of end, inner circumferential side 8b can be configured as to bending and be clamped, there is the vibration of end, the inner circumferential side 8b that prevents the membranaceous insulating trip 8 being produced by the vibration transmission in motor operation and the effect of dislocation.And then gap each other, the end of the rear yoke 9 of adjacency is blocked too in addition, when cutting apart core 5 and be configured to ring-type, also can prevent that the remainder of the outer circumferential side end 8a of membranaceous insulating trip 8 is clamped between the end of rear yoke 9 of adjacency.For this reason, can provide the assembly operation simultaneously high motor of insulating reliability that is improved.
Execution mode 2.
Execution mode 1 is respectively to cut apart the formation that stator core 6 does not link mutually, and in present embodiment 2, is to have used forming while cutting apart stator core by the link of the links such as thinner wall section each other in abutting connection with the rear yoke 9 of cutting apart stator core of configuration.In addition, give same reference numerals to the part identical with above-mentioned execution mode 1 and description thereof is omitted.
Figure 10 is the exploded perspective view that represents the stator assembling procedure of the motor of present embodiment 2, and Figure 11 is the stereogram of stator.As shown in figure 10, link and cut apart the end even junction configuration of use thinner wall section 31 each other that stator core 30 is rear yokes 9.Thinner wall section 31 is formed on the outer circumferential side of the side of rear yoke 9, by bending this thinner wall section 31, link is cut apart to stator core and be configured to ring-type.In addition, in present embodiment 2, the thinner wall section 31 of thickness that can bending linking part is described, but also can adopt certain thickness and without bending formation, be integrally formed as the stator core of ring-type for linking part.Now, use and there is the outer wall of the ring-type of being formed as, only there is the insulator that keeps pawl at the circumferential both ends of inwall.
Membranaceous insulating trip 8 and insulator 7 are assembled in and link the operation of cutting apart on stator core 30, as shown in figure 10, first, make to link and cut apart the rear yoke of cutting apart stator core 30a, 30b, 30c 9 of stator core 30 and intersection point and the line 17a of tooth 10 are involutory, make tooth leading section 11 involutory with intersection point and the line 17b of tooth 10, make the outer radial periphery side of tooth leading section 11 and the intersection point of end, segmentation iron core inner circumferential side and line 17c is involutory closes, membranaceous insulating trip 8c, 8d, 8e are applied to bending forming.Then, cut apart multiple both ends of cutting apart stator core of stator core 30 being arranged in to link, cut apart on stator core 30a, make with above-mentioned intersection point involutory applied bending forming membranaceous insulating trip 8c from both sides fluid-tight engagement, as making membranaceous insulating trip 8d from both sides fluid-tight engagement cutting apart on stator core 30b of the other end, make membranaceous insulating trip 8e fluid-tight engagement at other in abutting connection with cutting apart between stator core 30a~30c around cutting apart separately the slot part of stator core 30a~30c.
Then, as shown in figure 11, the mode of inserting end, the inner circumferential side 8b of membranaceous insulating trip 8c, 8d, 8e in gap with 16b outside 16a, interior pawl inside the end of tooth leading section 11 and interior pawl, is arranged on insulator 7 to link the axial both ends of the surface of cutting apart stator core 30.In addition, multiple the cutting apart among stator core of cutting apart stator core 30 in link, outside the end of the tooth leading section 11 of cutting apart stator core 30a as an end and outer pawl, in the gap of 15b, insert and clamp the outer circumferential side end 8a of membranaceous insulating trip 8c, inside the end of the tooth leading section 11 of cutting apart stator core 30b as the other end and outer pawl, in the gap of 15a, insert and clamp the outer circumferential side end 8a of membranaceous insulating trip 8d.
After winding around, from cut apart stator core 30a tooth leading section 11 end and in the gap of 15b, take out the outer circumferential side end 8a of membranaceous insulating trip 8c outside pawl, equally from cut apart stator core 30b tooth leading section 11 end and in the gap of 15a, take out the outer circumferential side end 8a of membranaceous insulating trip 8d inside pawl.In addition, in the example of Figure 10, Figure 11, link 5 by thinner wall section 31 and cut apart stator core, but also can adjust as required the link quantity of cutting apart stator core.Stator core 30 is cut apart in the link that can certainly link the stator of all formation motor.
Then, the assemble method of the motor stator after winding around is described.Figure 12 is the cutaway view that represents link to cut apart stator core 30 and be configured to ring-type and come the state of assembling motor stator 3.Make to link and cut apart thinner wall section 31 bendings of stator core 30, make to cut apart as link the cutting apart stator core 30a and cut apart the end fluid-tight engagement form ring-type each other of the rear yoke 9 of stator core 30b an of end of stator core 30.Now, using be positioned at as link cut apart stator core 30 an end the outer circumferential side end 8a of cutting apart the membranaceous insulating trip 8c on stator core 30a and be positioned at as the outer circumferential side end 8a of cutting apart the membranaceous insulating trip 8d on stator core 30b of the other end to internal diameter direction bending radially.In addition, be configured to by link being cut apart to stator core 30 residue that the part of the inner peripheral surface of yoke 9 forms after the covering of membranaceous insulating trip 8e that ring-type produces, from bending and become remainder 8f to internal side diameter radially near the end of rear yoke 9.
Figure 13 represents to be located at the outer pawl 15 of insulator 7, the configuration of interior pawl 16.Using making to link the thinner wall section 31 of cutting apart stator core 30 bendings as basic point, the circle of contact radius of the peripheral part of 16a inside interior pawl is made as to I, the circle of contact radius of the peripheral part of 16b outside interior pawl is made as to J, the circle of contact radius of the peripheral part of 15a inside outer pawl is made as to M, the circle of contact radius of the peripheral part of 15b outside outer pawl is made as to N, now, I > J, M > N.Thus, making to link, to cut apart the thinner wall section 31 of stator core 30 bending and will cut apart stator core 30a, 30b, 30c and be configured to ring-type time, inside outer pawl outside 15a, outer pawl inside 15b and interior pawl outside 16a, interior pawl 16b can mutually not interfere, can be at lapping radially.In addition, the circle of contact radius of 16a inside the interior pawl of lighting from the radial center of motor stator is made as to K, the internal diameter radius of motor stator is made as to R, now, K > R.Thus, can prevent that the rotor 2 of motor from contacting with 16a inside interior pawl.
And then, inside outer pawl the configuration of the peripheral part of 15a be positioned on the extended line of 22 of grooves of rear yoke 9 or after yoke side, be arranged to inside outer pawl 15a interior outstanding to groove 22.And then, in addition the intersection point from the tooth leading section 11 of groove 22 sides extended line each other is made as to P to the distance of the peripheral part of 16b outside interior pawl, now, P >=0.Thus, being arranged to 16a inside interior pawl can not be projected in the groove 22 of winding around.
In the example of above-mentioned Figure 10 to Figure 13, on all insulators 7 of stator core 30, be all provided with 16b outside 16a inside 15b outside 15a inside outer pawl, outer pawl, interior pawl, interior pawl being installed on to link to cut apart, but also can adjust as required as shown in figure 14 the quantity that keeps pawl.In addition, be illustrated in and link the state of cutting apart installing insulating body on stator core 30 at Figure 14 (a), represent to use the maintenance pawl of the insulator of being located at two ends, left and right to keep the state of membranaceous insulating trip at Figure 14 (b).
Be provided with 16b outside 16a inside interior pawl, interior pawl at the inwall 13 of all insulator 7a, the 7b shown in Figure 14,7c, but cut apart among stator core multiple, be installed on as an end cut apart stator core 30a and as the outer wall 12 of insulator 7a, the 7b of cutting apart stator core 30b of the other end respectively only outside outside pawl inside 15b, outer pawl this two place of 15a outer pawl is set.In addition, insulator 7a is located to link cuts apart the cutting apart on stator core of right-hand member in the figure of stator core 30, and insulator 7b is located at cutting apart on stator core of left end.In addition, keep the state of membranaceous insulating trip 8c, 8d, 8e with maintenance pawl in Figure 14 (b) diagram, and the formation of the shape of membranaceous insulating trip 8c, 8d, 8e and the maintenance pawl that keeps is because description thereof is omitted with Figure 11 is same.
Figure 15 represents the link of Figure 14 to cut apart stator core 30 and be configured to the state of ring-type.Same with execution mode 1, inside the outer pawl of insulator 7a, the root of 15a arranges outer pawl and dodges the 20a of portion, and outside pawl, the root of 15b arranges outer pawl and dodges the 20b of portion outside.In addition, inside interior pawl, the root of 16a arranges interior pawl and dodges the 21a of portion, and outside interior pawl, the root of 16b arranges interior pawl and dodges the 21b of portion.For this reason, inside interior pawl outside 16a and interior pawl inside 16b and outer pawl outside 15a and outer pawl 15b can mutually not interfere, in circumferential lapping, be accommodated in that interior pawl is dodged the 21a of portion, 21b and outer pawl is dodged the 20a of portion, 20b.
In addition, in present embodiment 2, in above-mentioned Figure 10 to Figure 15, to having used the situation of cutting apart stator core 30 in abutting connection with the link that linked by thinner wall section 31 each other of the rear yoke 9 of cutting apart stator core of configuration to be illustrated, but can be also to substitute as shown in figure 16 thinner wall section 31 and the formation that adopts joint portion.The end of cutting apart stator core rear yoke 9 separately of cutting apart stator core 32 in the link shown in Figure 16 is provided with rotatable joint portion 33.Joint portion 33 is overlapping and fixing with pin etc. each other by link being cut apart to the end of the rear yoke 9 of cutting apart stator core of adjacency of stator core 32, is configured to and can rotates freely.Namely cut apart by the link that makes to be linked by joint portion 33 that stator core 32 rotates and easily the structure of respectively cutting apart stator core and be configured to ring-type.In addition, be located at and link the insulator of the axial both ends of the surface of cutting apart stator core 32 with same in Figure 10, Figure 11, formation illustrated in fig. 14, so description thereof is omitted.
As implied above, in present embodiment 2 because respectively cut apart stator core adopt be that stator core 30,32 is cut apart in the link being linked by thinner wall section 31 or joint portion 33, so, respectively cut apart stator core and in the time of assembling procedure, can not disperse and can easily process.In addition, can easily configure and be fixed into ring-type cutting apart stator core by the bending of thinner wall section 31 or the rotation of joint portion 33.In addition, by cutting apart on stator core 30,32 above-mentioned insulating element is installed in such link, there is the effect same with above-mentioned execution mode 1.
Execution mode 3.
In execution mode 1,2, to arrange at the root of the maintenance pawl of insulator pawl dodge portion, by cut apart when core is configured to ring-type, keep pawl be accommodated in the approaching pawl of cutting apart core dodge portion in and keep the formation of the mutual lapping of pawl to be illustrated, but in present embodiment 3, utilize Figure 17, Figure 18 to make to keep pawl not give prominence to from cutting apart the circumferential end of stator core, be configured at the root that keeps pawl and describe without the insulator that pawl is set dodges portion to being configured to.In Figure 17, Figure 18, be shown in the stereogram of cutting apart core of the stator using in the motor of present embodiment 3.In addition, give identical Reference numeral to the part identical with above-mentioned execution mode 1,2 and description thereof is omitted.
In Figure 17 (a), diagram is installed the core of cutting apart before membranaceous insulating trip 8, and being arranged on this, to cut apart insulator 7d on core same with the insulator 7 illustrating in execution mode 1,2, is made up of outer wall, inwall and tooth covering part.In addition, be provided with outer pawl 15c in the circumferential end of outer wall, be provided with interior pawl 16c in the circumferential end of inwall, but outer pawl 15c is different from the outer pawl of execution mode 1,2, the circumferential end of comparing the rear yoke 9 of cutting apart stator core 6 is arranged on week to the inside.Equally, the circumferential end that interior pawl 16c also compares the tooth leading section 11 of cutting apart stator core is arranged on week to the inside.Be configured to outer pawl 15c, interior pawl 16c circumferentially respectively not from cut apart secured core 6 the circumferential end of yoke 9, tooth leading section 11 outstanding,, the circumferential width (length of the circular arc of cutting apart stator core 6 centered by rotating shaft 4a) that is configured to rear yoke 9 keeps the circumferential width of outer wall 12 of pawl large than containing of insulator 7, or the circumferential width of tooth leading section 11 is larger than the circumferential width that contains the inwall 13 that keeps pawl.In addition, flat condition is processed in the side of the root of the outer pawl 15c of the outer wall of insulator 7d, inwall, interior pawl 16c, does not form pawl and dodges portion.The front end of outer pawl 15c, interior pawl 16c is separately positioned on the end of the rotating shaft direction end face of rear yoke 9, tooth leading section 11 and is provided with gap on position in opposite directions.The interval in this gap be at least installed on the thickness of the membranaceous insulating trip of cutting apart core more than.In Figure 17 (b), diagram is installed the core of cutting apart after membranaceous insulating trip 8.Membranaceous insulating trip 8 is inserted in the gap between the end of rotating shaft direction end face of the front end of outer pawl 15c, interior pawl 16c and rear yoke 9, tooth leading section 11, is kept by outer pawl 15c and interior pawl 16c.
In Figure 18 (a), diagram is installed different from Figure 17 cores of cutting apart before membranaceous insulating trip 8.The rear yoke 9a of cutting apart stator core using in Figure 18 is provided with notch 34 in the circumferential end of rotating shaft direction both ends of the surface.In addition, being arranged on this, to cut apart insulator 7e on stator core same with the insulator 7d of Figure 17, formed by outer wall, inwall and tooth covering part, after comparing yoke 9a, tooth leading section 11 more by week position to the inside outer pawl 15d, interior pawl 16d are set.Insulator 7e is being arranged under the state of cutting apart on stator core, outer pawl 15d is outstanding to the inside from the axial both ends of the surface of rear yoke 9a, is accommodated in notch 34.Outer pawl 15d and notch 34 are at least configured via the gap more than thickness of membranaceous insulating trip.In Figure 18 (b), diagram is installed the core of cutting apart after membranaceous insulating trip 8.Membranaceous insulating trip 8 is inserted in the gap of end of the gap of outer pawl 15d and notch 34 and the axial both ends of the surface of rotation of interior pawl 15d and tooth leading section 11, is kept by outer pawl 15d and interior pawl 15d.In addition, same with the mode shown in Figure 17, be configured to outer pawl 15d, interior pawl 16d circumferentially respectively not from cut apart secured core 6 the circumferential end of yoke 9, tooth leading section 11 outstanding,, the circumferential width (length of the circular arc of cutting apart stator core 6 centered by rotating shaft 4a) that is configured to rear yoke 9 keeps the circumferential width of outer wall 12 of pawl large than containing of insulator 7e, or the circumferential width of tooth leading section 11 is larger than the circumferential width that contains the inwall 13 that keeps pawl.
As implied above, insulator 7d, the 7e of the motor of present embodiment 3 is due to the end that keeps pawl to compare cutting apart stator core is configured in to week to the inside, so, dodge portion without pawl being set at the root that keeps pawl, because the inner and outer wall of insulator is formed as flat condition, so, can cut down finished cost, economical and high efficiency motor can be provided.
Execution mode 4.
In execution mode 1 to 3 to keep the root of pawl arrange pawl dodge portion, being illustrated cutting apart the formation that the pawl of cutting apart core that keeps pawl to be accommodated in adjacency when core is configured to ring-type dodges in portion, and in present embodiment 4, thereby utilize Figure 19 to Figure 23 to by will keep pawl from cutting apart core excision and not had to keep pawl after winding around so describe without the manufacture method that pawl is set dodges the motor of portion.In addition, give identical Reference numeral to the part identical with above-mentioned execution mode 1 to 3 and description thereof is omitted.
Figure 19 to Figure 22 represents the manufacturing process of the stator of the motor of present embodiment 4 successively.Figure 19 is shown in the operation of cutting apart stator core installing insulating body, Figure 20 illustrates the interim operation that keeps membranaceous insulating trip of maintenance pawl with insulator, Figure 21 diagram is via insulator and membranaceous insulating trip in the operation of cutting apart winding around on stator core, and Figure 22 diagram keeps the operation of pawl from insulator excision.
As shown in figure 19, on the insulator 7f of present embodiment 4, be provided with outer pawl 15e at its outer wall, be provided with interior pawl 16e at inwall.The root of pawl 15e, interior pawl 16e does not arrange pawl and dodges portion outside, and the circumferential both ends of the surface of the outer wall of insulator 7f and inwall keep being all formed as flat condition pawl except being provided with.Be arranged at insulator 7f under the state of the both ends of the surface of cutting apart stator core 6, outer pawl 15e, interior pawl 16e from cutting apart the back yoke of stator core 6, the circumferential end of tooth leading section configures highlightedly.
In Figure 20, be shown in the illustrated state that membranaceous insulating trip 8 is installed on stator core 6 and insulator 7f of cutting apart of Figure 19.Membranaceous insulating trip 8 outer circumferential side end 8a is separately by outer pawl 15e clamping interim maintenance, and end, inner circumferential side 8b is by interior pawl 16e and end clamping interim maintenance of cutting apart stator core 6.In the rotating shaft direction of stator, the above-below direction in Figure 20, it is large that the width ratio that is configured to membranaceous insulating trip 8 is cut apart stator core 6, is configured to membranaceous insulating trip 8 overlapping at lapping portion 19 and insulator 7f.
In addition, in Figure 19, Figure 20, illustrate cutting apart the fixing of membranaceous insulating trip 8 is installed after stator core 6 installing insulating body 7f, but how all right their erection sequence is, also can be after making membranaceous insulating trip 8 and cutting apart stator core 6 fluid-tight engagement installing insulating body 7f again.With cut apart intersection point in the groove of stator core 6 involutory made to apply bending forming membranaceous insulating trip 8 with cut apart stator core 6 fluid-tight engagement.Then, to cut apart the end of rear yoke 9 of stator core 6 and the mode of the gap of outer pawl 15e insertion outer circumferential side end 8a, in the mode of insertion inner circumferential side, the gap end 8b of the end at tooth leading section 11 and interior pawl 16e, insulator 7f is arranged on and is cut apart stator core 6 from axial both sides.
In Figure 21, be shown in the illustrated core of cutting apart of cutting apart on stator core 6 via the state of insulator 7f and membranaceous insulating trip 8 winding arounds 18 of Figure 20.Outer circumferential side end 8a, end, inner circumferential side 8b respectively from coil 18 and cut apart stator core 6 the end of end, tooth leading section 11 of yoke 9 outstanding and expose.
In Figure 22 diagram from the illustrated insulator 7f of cutting apart core of Figure 20 respectively from the circumferential end separately of outer wall 12, inwall 13 cut off eliminate pawl 15e and interior pawl 16e, outer circumferential side end 8a to radially inner side bending and end, inner circumferential side 8b the core of cutting apart to the state of radial outside bending.By outer circumferential side end 8a, end, inner circumferential side 8b respectively from coil 18 with cut apart between stator core 6 bendingly, cover coil 18 to the end of tooth leading section 11 by membranaceous insulating trip 8 from the end of rear yoke 9.By make in Figure 22 illustrated cut apart core with the end of specified quantity and rear yoke 9 each other fluid-tight engagement be configured to ring-type, the stator of assembling motor.
In addition, in Figure 22, by making the remainder of end, inner circumferential side 8b and the remainder of outer circumferential side end 8a of membranaceous insulating trip 8 mutually involutory in opposite directions, cover each other coil 18 with end, double as the phase insulation between the coil of adjacency, but be also necessary MIN edge face length degree sometimes by the length setting of the remainder of the remainder of end, inner circumferential side 8b and outer circumferential side end 8a.Figure 23 is set as not end, the inner circumferential side 8b of membranaceous insulating trip 8 from the outstanding length of the tooth leading section inner peripheral surface 11a of tooth leading section 11, the assembling example to internal side diameter bending radially outer circumferential side end 8a only.
In addition, on insulator 7f, pawl 15e outside outer wall 12 is installed, pawl 16e in inwall 13 is installed, as long as but can keep pawl to keep membranaceous insulating trip 8 by any one, also can be configured to 12 of outer walls and establish outer pawl 15e, or establish interior pawl 16e 13 of inwalls.
As implied above, on the insulator 7f of the stator of the motor of present embodiment 4, be provided with outer pawl 15e and interior pawl 16e, due to after winding around, the coil being wound around keeps membranaceous insulating trip 8, so do not need to keep pawl, thereby, eliminate these by cut-out and keep pawl, keep pawl can not contact each other, can be the stator of cutting apart core and be configured to ring-type and come assembling motor.In addition, when excision keeps when pawl, dodging portion due to pawl needn't be set, so, can reduce the processing charges of insulator 7f.
Execution mode 5.
In present embodiment 5, utilize Figure 24 to across multiple teeth of cutting apart stator core the manufacturing process that the membranaceous insulating trip 8 of a slice assembles stator be installed describe.Figure 24 (a) represents membranaceous insulating trip 8 to be arranged on and to link multiple links of cutting apart stator core by the illustrated thinner wall section 31 of Figure 10 and cut apart on stator core 30, coil 18 is wrapped in to the cutaway view that the central portion of stator core 30 is cut apart in the link that links the state on each tooth 10 of cutting apart stator core 30.Figure 24 (b) is the cutaway view that represents the state that cuts off membranaceous insulating trip 8.Figure 24 (c) is the stereogram of cutting portion 35 state that yoke 9 sides are turned back backward of the membranaceous insulating trip 8 cutting off.
First, illustrated in Figure 24 (a), cut apart bridging on stator core 30 in link and tie the membranaceous insulating trip 8 of multiple teeth 10 ground configuration a slice of cutting apart stator core 30, keep the insulator of pawl to link from being arranged on up and down the axial both ends of the surface of cutting apart stator core 30 having, keep membranaceous insulating trip 8.In addition, via kept membranaceous insulating trip 8, coil 18 is wrapped on each tooth 10.Then,, illustrated in Figure 24 (b), near tooth leading section inner peripheral surface 11a, cut off membranaceous insulating trip 8 in cutting portion 35.In Figure 24 (b), represent that the membranaceous insulating trip 8 of a slice is divided into the state of three in two place's cutting portions 35.In addition, illustrated in Figure 24 (c), the cut-out end of the membranaceous insulating trip 8 of cutting portion 35 from be positioned near reflex part 36 tooth leading section 11 inner sides backward yoke 9 sides turn back.Finally, by bending thinner wall section 31, link is cut apart to stator core 30 and be formed as ring-type, complete stator.Like this, due to by bending cut membranaceous insulating trip 8, coil 18 is surrounded by the membranaceous insulating trip of bending, so, the coil 18 that can guarantee adjacency insulation each other.
In addition, in present embodiment 5, both can bridging knot all teeth 10 of cutting apart stator core 30 the membranaceous insulating trip 8 of a slice is installed, also can use multi-disc.For example use the membranaceous insulating trip 8 of 2 to 4 left and right for 12 teeth 10.In addition, in present embodiment 5, adopt the link with thinner wall section 31 to cut apart stator core 30 and be illustrated, but also can replace thinner wall section 31 and use joint portion 33.In addition, also can replace link cuts apart stator core 30 and uses multiple stator cores 6 of cutting apart.
As shown above, in present embodiment 5, owing to using a slice membranaceous insulating trip 8 to insulate to multiple teeth 10 and coil 18, so, can improve the productivity ratio of stator.In addition, due to the coil 18 that has been improved adjacency by the membranaceous insulating trip 8 turning back insulating properties each other, so, can form the motor that the reliability of stator is improved.
Execution mode 6.
In present embodiment 6, the compressor that possesses the motor of any one illustrated stator in execution mode 1 to 5 to being provided with describes.Figure 25 is the cutaway view of the compressor of present embodiment 6.
Below, compressor is described.Compressor is received motor 1 in the inside of the closed container 41 with the dark main part of end face opening and the cap of inaccessible this open end.Be provided with stator 3 on the inner peripheral surface of the main part that is fixed on closed container 41 and the rotor 2 in some gaps is set in the inner side of the tooth leading section inner peripheral surface 11a of stator 3, the side of the radial outside of cutting apart stator core 6 of stator 3 and the main part of closed container 41 utilize spot welding, hot jacket to engage etc. and are fixed together.The coil 18 of stator 3 is connected with the terminal 42 of central portion of the cap that is arranged on closed container 41 by lead-in wire 43, and electric power is supplied with stator 3 from terminal 42.In rotor 2, be provided with insert its central part bent axle 4 fixed, on bent axle 4, be provided with eccentric part 44 from the outstanding part of rotor 2.Cylinder 45 is at inner space storage eccentric part 44, by the inner space of cylinder 45 be arranged on roller 46 on eccentric part 44 and form the discharge chambe of compressed refrigerant.In discharge chambe, be provided with the blade 47 that is divided into high-pressure side and low-pressure side.In addition, on cylinder 45, have the upper bearing (metal) 48 and the lower bearing 49 that keep bent axle 4.Compressor for example utilizes the refrigerant suction pipe 50 of the main part of being located at closed container 41 to be connected with the evaporator of freeze cycle, utilizes the refrigerant discharge leader 51 of the cap of being located at closed container 41 to be connected with the condenser of freeze cycle, thereby uses.
Then, the action of compressor is described.In the time electric power being supplied with to stator 3 by terminal 42, the bent axle 4 being fixed on rotor 2 is rotated centered by rotating shaft, and cold-producing medium is from freeze cycle, and cold-producing medium is inhaled in discharge chambe through refrigerant suction pipe 50, compressed by the eccentric motion of roller 46.The high-pressure refrigerant of compression is released in closed container 41 from discharge chambe, and closed container 41 inside become high pressure conditions.High-pressure refrigerant in closed container 41 is discharged to freeze cycle by refrigerant discharge leader 51.
In addition, in present embodiment 6, in Figure 25, illustrate rotary compressor, but for scroll compressor, vane compressor also applicable same motor.
As implied above, in present embodiment 6, can form the high compressor of running efficiency of the motor with following explanation, this motor drive mechanism becomes keeping in order to the maintenance pawl that is wrapped in the coil on stator and cuts apart the end of the membranaceous insulating trip of stator core insulation is configured in beyond the scope of groove of winding around for interim, thereby has the large stator of effective area of the slot part of winding around.
And then, also do not need jointing tape as auxiliary material etc. due to the maintenance for membranaceous insulating trip, so, in the environment that this motor is carried to cold-producing medium, refrigerator etc. time, the obstruction of the freeze cycle being caused by the extraction of oligomer can be prevented, thereby the high compressor of reliability that refrigerant compression is feature can be formed to carry out.
Industrial applicibility
The present invention can be used in the motor with the stator of winding around on the insulating element of end face of being located at multiple teeth, can be used in the various device take the compressor of applicable this motor as representative.
Description of reference numerals
1: motor, 2: rotor, 3: stator, 4: bent axle, 4a: rotating shaft, 5: cut apart core, 6: cut apart stator core, 7: insulator, 8, 8c, 8d, 8e: membranaceous insulating trip, 8a: outer circumferential side end, 8b: end, inner circumferential side, 8f: remainder, 9: rear yoke, 10: tooth, 11: tooth leading section, 11a: tooth leading section inner peripheral surface, 12: outer wall, 13: inwall, 14: tooth covering part, 15: outer pawl, 16: interior pawl, 17: line, 18: coil, 19: lapping portion, 20: outer pawl is dodged portion, 21: interior pawl is dodged portion, 22: groove, 30: link and cut apart stator core, 31: thinner wall section, 32: link and cut apart stator core, 33: joint portion, 34: notch, 35: cutting portion, 36: reflex part, 41: closed container, 42: terminal, 43: lead-in wire, 44: eccentric part, 45: cylinder, 46: roller, 47: blade, 48: upper bearing (metal), 49: lower bearing, 50: refrigerant suction pipe, 51: refrigerant discharge leader.

Claims (10)

1. a motor, is characterized in that, possesses:
Rotor,
Multiple segmentation iron cores, the plurality of segmentation iron core is configured to ring-type in the mode of surrounding described rotor, has rear yoke and yoke extends to the direction of described rotor from described tooth,
Insulating trip, this insulating trip is arranged on described segmentation iron core,
Insulator, this insulator is arranged on the end face of the described segmentation iron core vertical with the rotating shaft cardinal principle of described rotor, have the end face that covers described tooth tooth covering part, be positioned at described tooth covering part inner circumferential side inwall and be installed on the outer wall of the end face of described rear yoke at outer circumferential side, there is the maintaining body that keeps described insulating trip at the circumferential at least described outer wall of described segmentation iron core or the end face of described inwall, and
Coil, this coil is wrapped on described tooth via described tooth covering part and described insulating trip,
Described maintaining body is from circumferential end face to circumferentially outstanding.
2. motor as claimed in claim 1, is characterized in that, described maintaining body is provided in a side of the maintenance pawl on the circumferential end face of described outer wall or described inwall.
3. motor as claimed in claim 2, is characterized in that, the circumferential width of described segmentation iron core is larger than the circumferential width of described insulator.
4. motor as claimed in claim 2, it is characterized in that, the pawl that is provided with spill or kerf at the root of the described maintenance pawl of described outer wall or described inwall is dodged portion, is accommodated in described pawl dodges portion with the maintenance pawl of the other described insulator of described insulator adjacency.
5. the motor as described in any one in claim 1 to 4, is characterized in that, the described rear yoke of described multiple segmentation iron cores is linked by linking part respectively, and this linking part is located at the end of the rear yoke of the other segmentation iron core of adjacency.
6. motor as claimed in claim 5, is characterized in that, described linking part is to be integrally formed with the segmentation iron core of adjacency and bending thinner wall section.
7. motor as claimed in claim 5, is characterized in that, described linking part is the joint portion that can rotate.
8. a compressor, is characterized in that, possesses:
Motor as described in any one in claim 1 to 4,
Bent axle, this bent axle is fixed on the central part of described rotor, and
Discharge chambe, this discharge chambe carrys out compressed refrigerant by the rotation of described bent axle.
9. a manufacture method for motor, the motor of the manufacture method manufacture of this motor as described in any one in claim 2 to 4, is characterized in that possessing:
Keep operation, keep described insulating trip by described maintenance pawl,
Winding working procedure, via described insulator and described insulating trip by described coil winding on described tooth, and
Excision operation, excises described maintenance pawl from described insulator.
10. a manufacture method for motor, the motor of the manufacture method manufacture of this motor as described in any one in claim 2 to 4, is characterized in that possessing:
Keep operation, with by insulating trip described in a slice across described multiple segmentation iron cores cover the mode of the inner peripheral surface of the radially inner side of described tooth, kept by the described maintenance pawl at the both ends of being located at described inwall,
Winding working procedure, via described insulator and described insulating trip by described coil winding on described tooth,
Cut off operation, the position that described comparing of described insulating trip tooth is positioned to radially inner side cuts off, and
Bending operation, turns back the cutting portion of described insulating trip to radial outside, cover described coil by described insulating trip.
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Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5868684B2 (en) * 2011-12-02 2016-02-24 株式会社三井ハイテック Method and device for discharging laminated iron core from mold
WO2013157100A1 (en) * 2012-04-18 2013-10-24 三菱電機株式会社 Stator, motor, blower, and stator manufacturing method
US9343930B2 (en) * 2012-05-25 2016-05-17 Baldor Electric Company Segmented stator assembly
DE112012007164B4 (en) 2012-10-16 2024-02-22 Mitsubishi Electric Corporation Anchor for an electric lathe
JP5474166B1 (en) * 2012-11-15 2014-04-16 三菱電機株式会社 stator
JP5950836B2 (en) * 2013-01-18 2016-07-13 三菱電機株式会社 Film forming method for insulation
JP2015171239A (en) * 2014-03-07 2015-09-28 アイシン精機株式会社 Stator of rotary electric machine and the rotary electric machine
JP6315559B2 (en) * 2014-03-25 2018-04-25 住友重機械工業株式会社 Injection molding machine and motor
EP3176915B1 (en) * 2014-08-01 2020-12-09 Mitsubishi Electric Corporation Stator for electric motor
JP2016036223A (en) * 2014-08-04 2016-03-17 三菱電機株式会社 Stator for rotary electric machine
JP6350107B2 (en) 2014-08-21 2018-07-04 トヨタ自動車株式会社 Insulator for stator, stator for rotating electrical machine using the same, and method for manufacturing stator for rotating electrical machine
JP6011705B1 (en) * 2015-07-06 2016-10-19 ダイキン工業株式会社 Stator, motor and compressor
EP3232540B1 (en) 2014-12-10 2019-10-09 Daikin Industries, Ltd. Stator, motor and compressor
WO2016093047A1 (en) * 2014-12-10 2016-06-16 ダイキン工業株式会社 Stator, motor and compressor
JP6305620B2 (en) * 2015-02-18 2018-04-04 三菱電機株式会社 Rotating electric machine stator and method of manufacturing rotating electric machine stator
KR102408250B1 (en) * 2015-07-21 2022-06-13 엘지이노텍 주식회사 Rotor and Motor having the same
CN108199503B (en) * 2015-09-10 2020-07-07 孝感市元达新材料科技有限公司 Processing method of coated stator core
JP6566882B2 (en) * 2016-02-01 2019-08-28 三菱電機株式会社 Stator and rotating electric machine equipped with the stator
WO2017175508A1 (en) 2016-04-07 2017-10-12 三菱電機株式会社 Magnetic pole, magnetic pole manufacturing method, and stator
CN109075645A (en) * 2016-04-12 2018-12-21 三菱电机株式会社 Motor, compressor and freezing cycle device
JP6727023B2 (en) * 2016-04-28 2020-07-22 三菱電機株式会社 Rotating electric machine stator
JP6567188B2 (en) * 2016-07-12 2019-08-28 三菱電機株式会社 Winding device and coil winding method
JP6843688B2 (en) * 2017-04-20 2021-03-17 日立グローバルライフソリューションズ株式会社 Electric blower and vacuum cleaner equipped with it
KR102582437B1 (en) * 2017-12-26 2023-09-25 엘지이노텍 주식회사 Stator and motor having the same
CN111937274B (en) * 2018-04-13 2023-06-20 三菱电机株式会社 Stator of rotating electric machine, and method for manufacturing stator of rotating electric machine
CN110875667A (en) * 2018-08-30 2020-03-10 广东美芝制冷设备有限公司 Motor insulation assembly, motor and compressor
WO2020238160A1 (en) * 2019-05-28 2020-12-03 广东威灵汽车部件有限公司 Iron core assembly, electric motor, compressor and vehicle
JP7150164B2 (en) * 2019-05-29 2022-10-07 三菱電機株式会社 Electric motor and compressor equipped with it
CN114424430B (en) * 2019-09-27 2022-10-28 三菱电机株式会社 Armature core, armature, and motor
TWI708456B (en) * 2020-03-16 2020-10-21 利大溪工業股份有限公司 Winding structure of motor stator
CN115803993A (en) 2020-06-24 2023-03-14 三菱电机株式会社 Stator, motor, compressor, refrigeration cycle device, and air conditioner
KR102387286B1 (en) * 2020-07-07 2022-04-20 뉴모텍(주) Stator Assembly for Motor and Method for Manufacturing the Same
TWI753577B (en) * 2020-09-21 2022-01-21 綠達光電股份有限公司 Motor device and motor stator
CZ2023370A3 (en) * 2021-04-07 2023-10-25 Mitsubishi Electric Corporation The stator of an electric motor, a compressor and a refrigeration cycle device
CN113300500B (en) * 2021-05-17 2023-04-07 安徽威灵汽车部件有限公司 Stator, motor, compressor and vehicle
CN114825686B (en) * 2022-04-21 2023-06-06 安徽达众智能科技有限公司 Split type motor stator structure easy to replace and assembling method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3760674B2 (en) * 1999-05-14 2006-03-29 三菱電機株式会社 Stator core, stator, electric motor, compressor, and stator core manufacturing method
JP3099001B1 (en) 1999-06-17 2000-10-16 松下精工株式会社 Motor stator and method of manufacturing the same
JP4449121B2 (en) * 1999-10-08 2010-04-14 パナソニック株式会社 Electric motor and its application equipment
JP4487382B2 (en) * 2000-04-27 2010-06-23 三菱電機株式会社 Hermetic compressor, manufacturing method thereof, refrigeration / air-conditioning apparatus.
JP2006191703A (en) * 2004-12-28 2006-07-20 Nidec Shibaura Corp Stator core of motor
JP2008022674A (en) * 2006-07-14 2008-01-31 Jtekt Corp Electric motor
JP4745991B2 (en) * 2007-02-21 2011-08-10 三菱電機株式会社 Armature insulation sheet and armature
JP5361277B2 (en) * 2008-08-08 2013-12-04 日本電産サンキョー株式会社 motor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开2001-112205A 2001.04.20
JP特开2010-45868A 2010.02.25

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JP5565004B2 (en) 2014-08-06

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