CN101588103A

CN101588103A - Motor

Info

Publication number: CN101588103A
Application number: CNA2008100531950A
Authority: CN
Inventors: 申圣勇
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2008-05-23
Filing date: 2008-05-23
Publication date: 2009-11-25

Abstract

The invention relates to a motor which mainly comprises a rotor and a stator, wherein the stator is provided with a stator core and an insulator, a wire connecting terminal is formed on the insulator, and at least one open groove used for hanging and connecting a coil end is formed on the wire connecting terminal. The motor also comprises an electric conductor and a connector, wherein the electric conductor can be inserted in the wire connecting terminal and is provided with at least one open groove electrically connected with the coil and at least one contacting part electrically contacted with an external electric device terminal; the connector is combined outside the wire connecting terminal, used for electrically connecting the coil with the external electric device terminal, and provided with an isolating part which is made of insulating material isolates the coil and the connecting part between the coil and the electric conductor from the outside. The motor wholly reduces the production cost of the motor by reducing the cost of the coil, is easy to produce and can simultaneously improve the reliability and prolong the service life. In addition, the invention can provide a motor which has the quality the same as or higher than the quality of an original motor without widely changing an original structure.

Description

Motor

Technical field

The present invention relates to a kind of motor, particularly relate to a kind of can reducing production costs, and can improve the motor of reliability.

Background technology

Usually, motor is a kind of revolving force of rotor can the biography to rotating shaft, and makes rotating shaft drive the device of load.Above-mentioned rotating shaft can be connected on the cylinder of washing machine, thereby head roll rotates, and also can be connected on the fan of refrigerator, thereby make fan that cold air is blown into needed space.In addition, for above-mentioned motor, its rotor be by and stator between the mutual electromagnetic effect be rotated.For this reason, be wound with coil on the stator, and rotor be rotated with respect to stator along with the coil making current.In addition, above-mentioned coil is normally made by copper material.This is because the electric conductivity of copper material is very outstanding, and seldom produces damage when reeling.But the price of copper material is very high usually, therefore has the high problem of motor production cost.And, international sometimes red metal big bulge in price, therefore raw-material supply is unstable.So, utilize other material to substitute red metal and make coil, reducing the production cost of motor, thereby guaranteeing that raw-material supply is stable is very important.Simultaneously, even use other material, the product quality in the time of also will guaranteeing to be equal to or to be higher than originally with copper material manufacturing coil.In addition, during with other material substitution copper material, had better not change original electric machine structure on a large scale,, but redesign other structure if desired, then can cause the problem that the original capital expense is excessive even this is because reduced the cost of coil.

Summary of the invention

In order to address the above problem, the object of the present invention is to provide a kind of production cost that can reduce coil down to whole motor, make easily, can improve reliability and life-span, and can under the situation that does not change original structure on a large scale, guarantee the identical in quality of product or be higher than the motor of original motor quality.

In order to achieve the above object, motor provided by the invention mainly comprises stator and rotor; Wherein stator is provided with stator core and is positioned on the stator core, and the insulator of the coil that is used to reel is formed with binding post on the insulator, then be formed with the fluting that at least one is used to articulate coil end on the binding post; Described motor also comprises electric conductor and connector; Wherein electric conductor can be inserted in the binding post, the contact site which is provided with at least one fluting that is electrically connected with coil and electrically contact with outside electrical equipment terminal; Connector is combined in the outside of binding post, is used to make coil to be electrically connected with outside electrical equipment terminal, and has by insulating material on it and make, thereby with the connecting portion of coil and coil and electric conductor and the isolation part of external isolation.

Described coil is formed with in the outside of its core and is used to gain in strength and flexible dual plated film.

Exposing the position of core on the described coil is connected with fluting on the electric conductor.

Described connector comprises vertical component effect, horizontal part and electrical equipment terminal; Wherein vertical component effect is combined on the binding post; Horizontal part is to form from the other end horizontal-extending of vertical component effect, and its outer end is formed with the outside electrical equipment terminal accommodating portion that is used to accommodate outside electrical equipment terminal; The electrical equipment terminal is integrally formed in the inside of connector, and its two ends are exposed in binding post resettlement section and the outside electrical equipment terminal accommodating portion, and can electrically contact with contact site.

Described isolation part comprises the end that is formed on vertical component effect on the connector, can be with binding post outside all around the binding post resettlement section of living.

Described isolation part also comprises from the outer surface of horizontal part and stretching out and the rib that forms, thereby is formed for covering the bag portion of the coil of outwards drawing from binding post.

The lower end of vertical component effect is lower than the slotting position on the binding post on the described connector.

Described rib extends to the below of the coil height of living in that is exposed at the binding post outside.

A path that can flow into binding post inside on the described binding post in the fluting as resin, thus utilize the resin after solidifying to protect to exposing at the core position of binding post inside, make coil and exterior insulation.

Described motor also comprises and can protect the connecting portion of coil and coil and electric conductor, with the insulation division of exterior insulation.

Described insulation division is a resin cured matter, and in the fluting makes above-mentioned resin flow into the path of binding post inside on the binding post.

Described motor also comprises the enhancing portion that is formed on the binding post outside.

Be formed with in the described enhancing portion and be used to articulate coil, and with binding post on the corresponding fluting of fluting.

Described enhancing portion and binding post are integrally formed.

The inboard of described enhancing portion is formed with the bag portion that is used to accommodate resin, and bag portion is connected with the inside of binding post by the fluting on the binding post.

Motor provided by the invention is to reduce the production cost of motor originally on the whole by the one-tenth that reduces coil, and is easy to make, and can improve reliability and life-span simultaneously.In addition, the present invention can provide under the situation that does not change original structure on a large scale and have identical or be higher than the motor of original motor quality.

Description of drawings

Fig. 1 is a stator structure decomposing schematic representation on the motor provided by the invention.

Fig. 2 is a motor upper rotor part structural representation provided by the invention.

Fig. 3 is the stator upper connecting terminal structural representation shown in Fig. 1.

Fig. 4 is electric conductor and a coil bonding state side schematic view on the motor provided by the invention.

Fig. 5 is electric conductor and a connection terminal structure decomposing schematic representation on the motor provided by the invention.

Fig. 6 is electric conductor and a binding post bonding state side sectional view on the motor provided by the invention.

Fig. 7 is a connector construction cutaway view on the motor provided by the invention.

Fig. 8 is motor upper connecting terminal provided by the invention and connector bonding state side structure schematic diagram.

Fig. 9 is motor upper connecting terminal provided by the invention and connector bonding state stereogram.

Embodiment

With specific embodiment motor provided by the invention is elaborated with reference to the accompanying drawings.Be the embodiment of relevant washing machine motor in the accompanying drawing, but the present invention is not limited to washing machine motor.

Fig. 1 is a stator structure decomposing schematic representation on the motor provided by the invention.As shown in Figure 1, the stator 100 on the motor provided by the invention mainly comprises stator core 110, top insulator 120 and lower isolator 130.Wherein, stator core 110 comprises annular rear portion yoke 111 and radially outwards gives prominence to a plurality of stator tooths 112 that form along the outer circumference surface of rear portion yoke 111.Fig. 1 is the stator structure schematic diagram on the external rotor electric machine of the rotor that will narrate in the arranged outside back of stator core 110.In contrast, said stator tooth 112 can form along the inner peripheral surface of rear portion yoke 111 is radially inwardly outstanding.In this case, said stator is the stator on the inner rotor type motor.In addition, stator core 110 is to be die-cut into steel plate behind the steel disc and to stack multilayer and make.When adopting said method,, therefore might cause waste of material because the offal of steel disc inboard is useless.Therefore, with banded rear portion yoke 111 with from the vertical outstanding stator tooths that form 112 of rear portion yoke 111 by spiral-shaped crooked the coiling and lamination, be advisable thereby form stator core 110.Fig. 1 shows this spiral iron core.In addition, be formed with on the annular rear portion yoke 111 and each layer mutually combined be integral and constitute the filleting portion 113 of stator core 110.Be wound with not shown coil on the said stator tooth 112.But,, so be typically provided with insulator between stator tooth 112 and the coil owing to stator tooth 112 is normally made by conductor material.So in the present invention, the upper and lower of stator core 110 is respectively equipped with insulator 120,130.That is, top insulator 120 and lower isolator 130 combine with the upper and lower end of stator core 110 respectively, with around living stator core 110, and on around the spiral portion 121,131 of living stator tooth 112 winding around.But, different with Fig. 1, also insulator 120,130 can be integrally formed on the stator core 110.Such as, can insulator 120,130 one be molded on the stator core 110 by the mode of embedding and injection molding.In addition, the inboard of insulator 120,130 is formed with radially inwardly outstanding assembled head 125,135, and is formed with the assembly hole 126,136 that stator 100 can be fixed on the external cylinder of drum-type washing machine rear surface on the assembled head 125,135.Certainly, the structure that assembled head 125,135 not necessarily is fixed on the above-mentioned urceolus, it also can be the structure that is fixed on electric machine support or the motor case as the case may be.That is, assembly hole 126 on the top insulator 120 and the assembly hole 136 on the lower isolator 130 top insulator 120, stator core 110 and lower isolator 130 in conjunction with the time can be mutually corresponding and form an assembly hole.Can be in above-mentioned assembly hole assembling parts such as through bolt and whole stator 100 is fixed on the parts such as aforesaid urceolus.Simultaneously, can near the assembly hole on the top insulator 120 126, form positioning convex 127.That is, earlier above-mentioned positioning convex 127 is inserted in the groove on the parts such as being formed at urceolus, behind the installation site of determining good stator 100, utilizes assembling parts fixed stators 100 such as bolt again.

In addition, can coiling on the stator 100 of Fig. 1 and each corresponding coil of power supply mutually of u, v, w.To allow a stator tooth 112 have the mode of a magnetic pole and the coil of reeling on a stator tooth 112, this is called " concentrating coiling ", and the magnetic pole of stator 100 is many more, and the maximum rotative speed of rotor is low more.Thereby, control motor easily, and maximum moment becomes big relatively.At first, behind coiling u phase coil on the stator tooth 112, above-mentioned coil is wound on the coil coiling rib 122 on the top insulator 120 and is fixed, and skips two stator tooths 112 afterwards and is wound on the next stator tooth 112.The initiating terminal of this coil and end lay respectively at power connection with on binding post 128 and the mid point binding post 129.Here, above-mentioned power connection is combined on the connector 140 with binding post 128, allows 3 phase power supplys connect u, v, w phase coil respectively.Simultaneously, the end of each phase coil all is connected electrically on the mid point binding post 129, to form mid point.The external structure of above-mentioned binding post 128,129 is made by insulating material, and preferably integrally formed with insulator 120.In addition, power connection is fixed with hall sensor component 141 with a side of binding post 128 and mid point binding post 129.Can perception rotor-position described later and/or speed by this hall sensor component 141, so that voltage-phase and the current strength that is provided to be provided, thereby can control the rotary speed and the torque of rotor.Radial direction inboard at above-mentioned coil coiling rib 122 along the circumferential direction is formed with insulator rib 123.Certainly, above-mentioned insulator rib 123 not only is formed on the top insulator 120, also is formed on the lower isolator 130.Above-mentioned insulator rib 123 has certain height, in case the moisture of insulator 120,130 inboards is impregnated in the coiling portion 121,131.Simultaneously, above-mentioned insulator rib 123 highly is advisable with the coiling that is higher than coil.This is because when picking and placeing stator 100, and coil might contact and sustain damage with other article on every side.That is, stator 100 is being placed under the ground situation, is only allowing 123 contacts of insulator rib on the ground, thereby can avoid coil to contact, in case coil sustains damage with ground.

Fig. 2 is a motor upper rotor part structural representation provided by the invention.As shown in Figure 2, the rotor 200 on the motor provided by the invention comprises rotor frame 210 and permanent magnet 216.Wherein, the side wall portion 211 that rotor frame 210 comprises base portion 212 and is formed on base portion 212 outsides, these structures can form by the punching press steel plate.The mode that the inboard of side wall portion 211 along the circumferential direction replaces extremely mutually with the N utmost point and S is provided with a plurality of permanent magnets 216.In addition, 211 rear portion yoke functions that form magnetic circuit of above-mentioned side wall portion.Certainly, rotor frame 210 also can form by injection molding way, but needs to be provided with in addition the rear portion yoke in this case.Simultaneously, the central part of base portion 212 is formed with the upwards hub portion 213 of protuberance that is used to increase its rigidity.The central authorities of hub portion 213 are formed with through hole 219, can insert the rotating shaft such as washing machine in through hole 219.In addition, above-mentioned rotating shaft and hub portion 213 are to interconnect by not shown connector, thereby along with the rotation of rotor 200, the revolving force of rotor 200 can pass to above-mentioned rotating shaft.In addition, can be formed in conjunction with the engagement groove 214 of above-mentioned connector on the hub portion 213 or be used to location notch 215 that pre-determines connector position etc.After stator 100 is placed on the inside of rotor 200, by and stator 100 between interaction, rotor 200 can be rotated with respect to stator 100.Certainly, the revolving force of above-mentioned rotor 200 can pass to combining with rotor frame 210, the rotating shaft that therefore can one rotates.

Characteristics of the present invention are that substituting original copper material with aluminium makes coil.Because aluminium its internal resistance for copper material is big, therefore, in order to reduce resistance, comparing with original copper material coil need its diameter of increase.Simultaneously, because aluminium is poorer than the pliability of copper material, therefore, externally under the influence of Chong Jiing, be easy to occur broken string during coiling.And aluminium is water funk, salt solution particularly, if run into salt solution, it is easy to occur corrosion, even broken string.Thereby, in motor provided by the invention,, form dual plated film with outside and be advisable, to improve the reliability of coil insulation at aluminum steel for intensity and the pliability that improves aluminum coil.In addition, as previously mentioned, the end of coil is positioned on the binding post 128,129.For coil end being connected on the binding post 128,129, the dual plated film on the aluminum steel need be removed, so that core is exposed on the external.Because core intensity and the flexibility exposed are poor, therefore be easy to generate broken string, and and water, corrosion particularly appears during the salt solution contact easily.Thereby, for coil end is strengthened, processing such as anticorrosion and insulation, motor of the present invention also comprises insulation division.Above-mentioned insulation division can have various ways, insulation division is elaborated to Fig. 6 below with reference to Fig. 3.

Fig. 3 is the stator upper connecting terminal structural representation shown in Fig. 1.As shown in Figure 3, be formed with the spatial portion 161 that can insert not shown electric conductor on the binding post 128.The both sides of binding post 128, promptly the place ahead of spatial portion 161 and rear are formed with fluting 162 respectively, so the end of coil can be articulated on the fluting 162 of both sides.In addition, in order to insert coil at an easy rate, the upper end of fluting 162 with chamfer 163 or fillet be treated to suitable.In addition, a side of binding post 128 can be connected with aforesaid insulator rib 123.The outside of binding post 128 also is provided with the enhancing portion 228 that is used to strengthen.Above-mentioned enhancing portion 228 is formed on a side of binding post 128.Specifically, enhancing portion 228 can be formed on the inboard or the outside of binding post 128 radial directions.But, consider the convenience when fixed coil is terminal, be advisable with the radial direction outside that is formed on binding post 128.In addition, identical with binding post 128, enhancing portion 228 with insulator 120 integrally formed being advisable.In addition, identical with binding post 128, also be formed with fluting 129 in the enhancing portion 228.Thereby coil end is fixed in the fluting 162 of the fluting 129 of enhancing portion 228 and binding post 128 both sides, so its constant intensity is further strengthened.In addition, the width of fluting 129,162 corresponds to suitable with the external diameter with coil.Simultaneously, be formed with the bag portion that not shown inboard has certain space in the enhancing portion 228.Above-mentioned bag portion is 162 to be advisable with the internal communication of binding post 128 by slotting.Thereby coil is fixed on the binding post 128 after crossing above-mentioned bag portion.

Fig. 4 is electric conductor and a coil bonding state side schematic view on the motor provided by the invention.Fig. 5 is electric conductor and a connection terminal structure decomposing schematic representation on the motor provided by the invention.As Fig. 4, shown in Figure 5, also be provided with electric conductor 150 on the motor provided by the invention.Above-mentioned electric conductor 150 have "

" shape, be formed with fluting 151 on its front and back respectively.The width of above-mentioned fluting 151 with corresponding being advisable of core 160b diameter of coil 160.That is, in the core 160b brute force with coil 160 is embedded in fluting 151 in, it is electrically connected with electric conductor 150, therefore, electric conductor 150 is made by conductive material.In addition, electric conductor 150 is provided with the contact site 152 that is electrically connected with outside electrical equipment terminal.Here, the electrical connection of electric conductor 150 and coil 160 ends can realize in the following way.That is, the end of coil 160 is placed in the fluting 162 on the binding post 128, when then electric conductor 150 being inserted on the binding post 128 spatial portion 161 core 160b is exposed, to contact with electric conductor 150.But, also can firstly appear out from core 160b, and then insert electric conductor 150, both are electrically connected.That is, above-mentioned electric conductor 150 is to be electrically connected with the core 160b of coil 160 in the inside of binding post 128, so dual plated film 160a should be removed in the position that directly contacts with electric conductor 150 on the coil 160.But, when coil 160 shakes or is subjected to external impact, will have the hidden danger of broken string with the core 160b that electric conductor 150 directly contacts.In addition, also corrode easily at this position.In order to prevent the problems referred to above, be advisable insulation division to be set at the core 160b of coil 160 and electric conductor 150 contacted positions.

Fig. 6 is electric conductor and a binding post bonding state side sectional view on the motor provided by the invention.As shown in Figure 6, above-mentioned insulation division 270 is to solidify the back by liquid resin material to form, and to keep the state of insulation of core 160b, protects core 160b simultaneously.Insulation division 270 to be not only being looped around electric conductor 150 and the contacted position of core 160b, but also is advisable around a part of coil 160 of firmly not removing dual plated film 160a.Because above-mentioned binding post 128 is used to connect power supply, so electric conductor 150 need link to each other with power supply.In order to realize above-mentioned connection, be advisable with not application resin on contact site 152.Therefore, above-mentioned resin injects with the outside from binding post 128, and it is advisable by 162 inside that enter into binding post 128 of slotting, and preferably injects resin by enhancing portion 228.In this case, the height of enhancing portion 228 is advisable so that resin reaches in the inside of binding post 128 around the height of living coil 160 to be lower than the height of binding post 128.Not only can control the injection rate of resin when injecting resin, but also can adopt automatic mode to operate, therefore can simplify production process by enhancing portion 228.

Fig. 7 is a connector construction cutaway view on the motor provided by the invention.Fig. 8 is motor upper connecting terminal provided by the invention and connector bonding state side structure schematic diagram.Fig. 9 is motor upper connecting terminal provided by the invention and connector bonding state stereogram.To shown in Figure 9, also be provided with connector 140 as Fig. 7 on the motor provided by the invention.Above-mentioned connector 140 comprises vertical component effect 145, horizontal part 144, electrical equipment terminal 149 and rib 147; Wherein be formed with the binding post resettlement section 143 that is used to insert binding post 128 on the end of vertical component effect 145; Horizontal part 144 is to form from the other end horizontal-extending of vertical component effect 145, and its outer end is formed with the outside electrical equipment terminal accommodating portion 142 that is used to accommodate outside electrical equipment terminal; Electrical equipment terminal 149 is integrally formed in the inside of connector 140, and its two ends are exposed in binding post resettlement section 143 and the outside electrical equipment terminal accommodating portion 142, and can electrically contact with contact site 152; Rib 147 is that the outer surface from horizontal part 144 stretches out certain-length and forms, thereby is formed for covering the bag portion 146 of the coil 160 of outwards drawing from binding post 128.Above-mentioned connector 140 is combined in the outside of binding post 128, it can make coil 160 be electrically connected with outside electrical equipment terminal, and connector 140 is to be made by insulating material, therefore outside and coil 160 is isolated mutually, in case the end of coil 160 exposes and corrodes.That is, utilize bag portion 146 to prevent that the extending part corrodes on the coil 160, simultaneously the intensity of intensifier coil 160 ends.That is, can prevent that external impact force from passing through binding post 128 and directly passing to coil 160.In addition, connector 140 is to insert from the top of binding post 128, and in this case, binding post resettlement section 143 can be looped around the outside of binding post 128, thereby binding post 128 and external isolation are opened.In addition, rib 147 is advisable with the below that extends to coil 160 height of living in that are exposed at binding post 128 outsides, like this, even there is the position that is exposed at binding post 128 outsides on the coil 160, this position also can be by bag portion 146 around living, thereby make coil 160 all be positioned at the inside of connector 140.Thereby, above-mentioned connector 140 can make electric conductor 150 complete and external isolation, but therefore the problem that can exist electric conductor 150 other parts very difficult and except that coil 160 to be electrically connected in this case is provided with the electrical equipment terminal 149 that can be connected with external electric in the inside of connector 140.In addition, as shown in Figure 8, when being inserted in connector 140 on the binding post 128, the lower end of vertical component effect 145 can prevent that so outside moisture is by 162 inside that are immersed in binding post 128 of slotting with than lower being advisable in 162 positions of the fluting on the binding post 128 on the connector 140.In addition, the coil 160 that combines with binding post 128 by electric conductor 150 in order to twine, need be exposed at the outside of binding post 128, therefore there is the danger of corrosion, so utilize the bag portion 146 that forms by the rib on the connector 140 147 to cover the above-mentioned coil that exposes 160.Above-mentioned rib 147 should have enough length, so that when connector 140 is inserted in binding post 128, rib 147 can cover the coil 160 of drawing from binding post 128 fully, in case moisture soaks into.

Claims

1, a kind of motor mainly comprises stator (100) and rotor (200); Wherein stator (100) is provided with stator core (110) and is positioned on the stator core (110), the insulator (120 of coil (160) is used to reel, 130), be formed with binding post (128) on the insulator (120), (128) then are formed with the fluting (162) that at least one is used to articulate coil (160) end on the binding post; It is characterized in that: described motor also comprises electric conductor (150) and connector (140); Wherein electric conductor (150) can be inserted in the binding post (128), the contact site (152) which is provided with at least one fluting (151) that is electrically connected with coil (160) and electrically contact with outside electrical equipment terminal; Connector (140) is combined in the outside of binding post (128), be used to make coil (160) to be electrically connected with outside electrical equipment terminal, and have by insulating material on it and make, thereby with coil (160) and coil (160) and the connecting portion of electric conductor (150) and the isolation part of external isolation.

2, motor according to claim 1 is characterized in that: described coil (160) is formed with in the outside of its core (160b) and is used to gain in strength and flexible dual plated film (160a).

3, motor according to claim 2 is characterized in that: expose the position of core (160b) on the described coil (160) and be connected with fluting (151) on the electric conductor (150).

4, motor according to claim 1 is characterized in that: described connector (140) comprises vertical component effect (145), horizontal part (144) and electrical equipment terminal (149); Wherein vertical component effect (145) is combined on the binding post (128); Horizontal part (144) is to form from the other end horizontal-extending of vertical component effect (145), and its outer end is formed with the outside electrical equipment terminal accommodating portion (142) that is used to accommodate outside electrical equipment terminal; Electrical equipment terminal (149) is integrally formed in the inside of connector (140), and its two ends are exposed in binding post resettlement section (143) and the outside electrical equipment terminal accommodating portion (142), and can electrically contact with contact site (152).

5, according to claim 1 or 4 described motors, it is characterized in that: described isolation part comprises and is formed on the end that connector (140) is gone up vertical component effect (145), can be with binding post (128) outside all around the binding post resettlement section of living (143).

6, according to claim 1 or 4 described motors, it is characterized in that: described isolation part also comprises from the outer surface of horizontal part (144) and stretching out and the rib (147) that forms, thereby is formed for covering the bag portion (146) of the coil (160) of outwards drawing from binding post (128).

7, motor according to claim 4 is characterized in that: it is lower than fluting (162) position on the binding post (128) that described connector (140) is gone up the lower end of vertical component effect (145).

8, motor according to claim 6 is characterized in that: described rib (147) extends to the below that is exposed at outside coil (160) height of living in of binding post (128).

9, motor according to claim 1; it is characterized in that: described binding post (128) is gone up a path that can flow into binding post (128) inside as resin in the fluting (162); thereby utilize the resin after solidifying to protect, make coil (160) and exterior insulation exposing at inner core (160b) position of binding post (128).

10, motor according to claim 1 is characterized in that: described motor also comprises and can protect the connecting portion of coil (160) and coil (160) and electric conductor (150), with the insulation division (270) of exterior insulation.

11, motor according to claim 10 is characterized in that: described insulation division (270) is a resin cured matter, and in the fluting (162) makes above-mentioned resin flow into the inner path of binding post (128) on the binding post (128).

12, motor according to claim 1 is characterized in that: described motor also comprises the enhancing portion (228) that is formed on binding post (128) outside.

13, motor according to claim 12 is characterized in that: be formed with in the described enhancing portion (228) and be used to articulate coil (160), and with binding post (128) on the corresponding fluting of fluting (162) (129).

14, motor according to claim 12 is characterized in that: described enhancing portion (228) is integrally formed with binding post (128).

15, motor according to claim 12, it is characterized in that: the inboard of described enhancing portion (228) is formed with the bag portion that is used to accommodate resin, and bag portion is connected with the inside of binding post (128) by the fluting (162) on the binding post (128).