CN104767309B - Coil rack and motor - Google Patents

Abstract

A kind of coil rack and motor, even if the terminal pins to being kept by frame body apply the load towards the side of terminal pins bearing of trend, it is also possible to suppress terminal pins displacement.In motor, coil rack includes the insulating properties frame body of the main part with the tubular for being wound with coil line and the terminal pins kept by frame body.Terminal pins are with the first extension extended along the side Z1 of Z-direction, the relay bent towards X-direction from the end of the opposite side of the Z-direction of the first extension and the second extension extended towards the opposite side Z2 of Z-direction with the end of the first extension opposite side from relay.Frame body has the side Z1 supporting relays from Z-direction and limits the support that the second extension is conjugated towards the side Z1 of Z-direction.

Description

Coil rack and motor

Technical field

The present invention relates to coil rack and motor that a kind of terminal pins are kept by frame body.

Background technology

Include for the coil rack in motor etc.：Insulating properties frame body, the insulating properties frame body has winding The main part of the tubular of wired astragal；And terminal pins, the terminal pins linearly extend, and are wound in the coil line of main part End be wrapped in terminal pins side end (with reference to patent document 1).

In the coil rack of this structure, terminal pins are by being pressed into the hole of frame body or by forming skeleton Insert-molding during body is held in frame body.

Patent document 1：Japanese Unexamined Patent Publication 2004-251656 publications

The content of the invention

The technical problems to be solved by the invention

In the coil rack described in patent document 1, when being powered to coil line using terminal pins, for example, passing through tin Weld to make wiring substrate be connected with the end of the opposite side of terminal pins, and powered to terminal pins by wiring substrate.

However, in the coil rack described in patent document 1, because terminal pins linearly extend, so if If applying load to terminal pins when wiring substrate is connected with the end of the opposite side of terminal pins, then terminal pins direction sometimes Side conjugates, and in this case, may break because applying excessive tension force to the end of coil line.

In view of the above problems, applied to the terminal pins for being held in frame body even if problem of the invention is that offer is a kind of Plus the load towards the side of the bearing of trend of terminal pins can also suppress the coil rack and motor of terminal pins displacement.

The method of solve problem

In order to solve above-mentioned problem, coil rack involved in the present invention has：Tubular including being wound with coil line The insulating properties frame body of main part；And the terminal pins of the frame body are maintained at, the feature of the coil rack exists In the terminal pins include：First extension, first extension side along a first direction extends and from the bone The part that frame body is protruded has the first end sub-portion of the end for being wound with the coil line；Relay, the relay is from institute The end for stating the opposite side of the first direction of the first extension bends towards the second direction intersected with the first direction； And second extension, end court of second extension from the side opposite with first extension of the relay Extend to the opposite side of the first direction, and there is Second terminal portion, institute in the part protruded from the frame body Frame body is stated with relay described in the side bearing from the first direction and the second extension direction is limited The support of the side displacement of the first direction.

In the present invention, terminal pins there is the first extension that side along a first direction extends, from the first extension First direction opposite side the relay that is bent towards the second direction that intersect with first direction of end and from relay The second extension extended towards the opposite side of first direction with the end of the first extension opposite side, frame body has From the support of a side bearing relay of first direction.Therefore, even if applying load to the Second terminal portion of the second extension, Also the support of frame body can be utilized, suppresses to load the second extension that cause and relay towards first party by described To side conjugate.Therefore, the first end sub-portion of the end for being wound with coil line in terminal pins is difficult displacement.

In the present invention, it is preferred to the support from relay described in the side bearing of the first direction to Few bending section between the relay and second extension.The support of frame body can be utilized by the structure The load applied to the second extension is reliably born, therefore, it is possible to more reliably suppress the second extension and relay direction The side displacement of first direction.

In the present invention, it is preferred to a side bearing whole relay of the support from the first direction. The support of frame body can be utilized reliably to bear the load applied to the second extension by the structure, therefore, it is possible to More reliably suppress the second extension and relay to be conjugated towards the side of first direction.

In the present invention, it is preferred to the frame body have from the first direction and the second direction the two The both sides of the intersecting third direction in direction abut with the relay and limit the relay and conjugated towards the third direction Wall portion.Terminal pins are prevented from by the structure to be rotated around the first extension etc..

In the present invention, it is preferred to the wall portion and the support are formed at towards the described another of the first direction Side opening and in the groove that inner side accommodates the relay.Relay from the another of first direction can be made by the structure Insert and terminal pins are installed on frame body in side.

In the present invention, it is preferred to first extension is pressed into extending along the first direction in the frame body In through hole.Terminal pins can be installed on by the way that the first extension is pressed into the hole of frame body by the structure Frame body.

In the present invention, the terminal pins can be using the one end for being formed at the main part in by the frame body First along portion and the second structure kept along the side in portion of the other end for being formed at the main part.

In the present invention, it is preferred to the frame body has appearance and size than described in the end of the radial direction of the main part Main part it is big along portion, the terminal pins by it is described along portion keep and the support be formed at it is described along portion.By the knot Structure can in the larger context form support.

In the present invention, it is preferred to the frame body in the one end of the radial direction of the main part there is appearance and size to compare institute State main part it is big first along portion, there is appearance and size than the main part in the end of the opposite side of the radial direction of the main part , along portion, described first is opposed across the main part between portion with described second along portion, described first along portion for big second With described second between portion coil line be wound in around the main part.By the structure can the suppression coil coil of wire around Defeated and dispersed or winding position deviation etc..

The present invention can specify that the motor including the coil rack with said structure, and in this case, motor has prominent Pole is inserted into the stator core of the inner side of the main part.

In the present invention, it is preferred to the inner surface in the main part is formed with and abutted with the salient pole and limit cartridge Relative to the convex portion that the salient pole is moved towards the projected direction of the salient pole.By the structure can avoid stator core with Position skew between coil rack.

Invention effect

In the present invention, terminal pins there is the first extension that side along a first direction extends, from the first extension First direction opposite side the relay that is bent towards the second direction that intersect with first direction of end and from relay The second extension extended towards the opposite side of first direction with the end of the first extension opposite side, frame body has From the support of a side bearing relay of first direction.Therefore, even if applying load to the Second terminal portion of the second extension, Also the support of frame body can be utilized to suppress to load the second extension that cause and relay towards first party by described To side conjugate.Therefore, the first end sub-portion of the end for being wound with coil line in terminal pins is difficult displacement.

Brief description of the drawings

Fig. 1 (a), Fig. 1 (b) are the explanatory diagram using motor of the invention.

Fig. 2 (a), Fig. 2 (b), Fig. 2 (c) are the exploded view using motor of the invention.

Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are the explanatory diagram of the stator using motor of the invention.

Fig. 4 (a), Fig. 4 (b) are froming the perspective of for the coil rack of the application motor of the invention observed from the opposite side of Z-direction Bright figure.

Fig. 5 (a), Fig. 5 (b) be from the unilateral observation of Z-direction to application motor of the invention coil rack explanation Figure.

Fig. 6 (a), Fig. 6 (b) are other coil racks for the application motor of the invention observed from the opposite side of Z-direction Explanatory diagram.

(symbol description)

1 ... motor

3 ... wiring substrates

5 ... rotors

6 ... stators

10 ... output shafts

7 ... coil racks

8th, 8a, 8b ... terminal pins

60 ... stator cores

61 ... salient pole

70 ... frame bodies

71 ... main parts

80a ... first end sub-portions

80b ... Second terminals portion

81 ... first extensions

82 ... relays

83 ... second extensions

90 ... coil lines

The inner surface of 711 ... main parts

The end face of 730 ... frame bodies

781 ... grooves

782 ... through holes

785 ... supports

786th, 787 ... side of sidewall portion

Specific embodiment

Application coil rack of the invention and motor are illustrated referring to the drawings.

(overall structure of motor)

Fig. 1 (a), Fig. 1 (b) are the explanatory diagram using motor of the invention, and Fig. 1 (a) is from the side for protruding output shaft It was observed that motor stereogram, Fig. 1 (b) for motor side view.Fig. 2 (a), Fig. 2 (b), Fig. 2 (c) are using of the invention The exploded view of motor, Fig. 2 (a) is the exploded view that the state after the first housing is removed from the second housing, and Fig. 2 (b) is further to take The exploded view of the state after lower stator, Fig. 2 (c) is the exploded view for further removing the state after gear train.In Fig. 1 (a), Fig. 1 In (b) and Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), using the side for protruding output shaft 10 on axis L directions as side L1, Using the side opposite with the side for protruding output shaft 10 as opposite side L2.

Fig. 1 (a), Fig. 1 (b) and Fig. 2 (a), Fig. 2 (b), the motor 1 shown in Fig. 2 (c) have from housing 2 towards axis L The side L1 in direction protrudes the structure of output shaft 10, if for example, pointer (not shown) is connected into output shaft 10, can conduct The gauge of pointer-type is used.Housing 2 has when being observed from axis L directions in the first housing 21 of circular and from axis L In the second housing 22 of circular when direction is observed.First housing 21 configures the opposite side L2 in axis L directions, the second housing Side L1 of 22 configurations in axis L directions.It is formed with the side plate 211 of the first housing 21 in circumferential multiple position directions The hook portion 219 that the side L1 in axis L directions is protruded, is formed with circumferential multiple portions in the side plate 221 of the second housing 22 Convex portion 229 of the position for the engaging of hook portion 219.Therefore, if making hook portion 219 engage with convex portion 229, can be by the first housing 21 Housing 2 is constituted with the second housing 22.

In such housing 2 for constituting, the cylinder for protruding output shaft 10 is formed with the base plate 222 of the second housing 22 Portion 223, the locator protrusions 224 when the wiring substrate 3 shown in Fig. 1 (b) is Chong Die with the second housing 22 and make terminal pins 8 The hole 225 that Second terminal portion 80b is protruded.

(internal structure of housing 2)

Such as Fig. 2 (a), Fig. 2 (b), shown in Fig. 2 (c), motor 1 has in the inside of housing 2 and is supported as that can revolve by housing 2 The rotor 5 for turning and the stator 6 around the configuration of rotor 5.Rotor 5 has the rotary shaft 51 supported by housing 2 as that can rotate.And And, motor 1 has the gear train 4 that the rotational deceleration of rotor 5 is delivered to output shaft 10, the gear train 4 and rotor 5 and stator 6 identical are also supported by housing 2.

Rotor 5 have be fixed on rotary shaft 51 axis L directions opposite side L2 end little gear (not shown) and The cylindric magnet 50 integrated with little gear.In the present embodiment, magnet 50 and little gear by insert-molding quilt Integration, and magnet 50 is combined with little gear by resinous plectane portion 59.

Gear train 4 has the second gear 42 in first gear 41 and big footpath, and the first gear 41 has small with rotor 5 The large diameter gear 411 of gear engagement and the small-diameter gear (not shown) engaged with second gear 42, the second gear in the big footpath 42 engage with the small-diameter gear of first gear 41, and are fixed with output shaft 10 in second gear 42.In addition, first gear 41 can Rotated centered on fulcrum 48.

(detailed construction of stator 6)

Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are the explanatory diagram of the stator 6 for applying motor of the invention 1, and Fig. 3 (a) is stator 6 exploded view, Fig. 3 (b) is the explanatory diagram of the inside of the main part for showing coil rack 7, and Fig. 3 (c) is the section view of terminal pins Figure.

As shown in Fig. 3 (a), stator 6 has：Stator core 60, the stator core 60 has the outer peripheral face with magnet 50 Across multiple salient pole 61 (salient pole 61a-61f) that gap is opposed；Coil rack 7 (coil rack 7a), (line of the coil rack 7 Ring framework 7a) it is assemblied in the salient pole 61f in multiple salient pole 61；Coil 9 (coil 9a), the coil 9 (coil 9a) is across coil Skeleton 7 is around salient pole 61f；Coil rack 7 (coil rack 7b), the coil rack 7 (coil rack 7b) is assemblied in Salient pole 61b in multiple salient pole；And coil 9 (coil 9b), the coil 9 (coil 9b) is across coil rack 7 around salient pole Around 61b.In the present embodiment, the number of salient pole 61 is six, and in magnet 50, S poles are formed with four pairs with N poles.

The part for being configured with the rotor 5 that reference picture 2 is illustrated of stator 6 is formed as opening portion 64, in the opening portion 64 inner peripheral is circumferentially configured with the multiple salient pole 61 (salient pole 61a-61f) protruded towards the outer peripheral face of magnet 50.Salient pole The end of 61 radially inner side is opposed across gap with the outer peripheral face of magnet 50, the footpath of any one salient pole 61 in multiple salient pole 61 End to inner side is all equal with the gap size between the outer peripheral face of magnet 50.

But, salient pole 61b, 61f for being equipped with coil rack 7 of stator core 60 is more long than other salient pole 61a, 61c-61e. Therefore, the formation of stator core 60 has the radial outside that is partially toward of salient pole 61b, 61f shape is stretched out in the form of a substantially rectangular, salient pole It is prominent that 61b, 61f are radially oriented inner side from the outer peripheral portion of rectangular portion 69b, 69f of stator core 60.

In the present embodiment, stator core 60 is tabular, and the magnetic of above-mentioned shape is die-cut into by being laminated multiple Plate and constitute.In addition, the root by salient pole 61a in stator core 60 has been formed about for Fig. 2 (a), Fig. 2 (b), Fig. 2 (c) institutes The hole 68 of the insertion of fulcrum 48 shown, the radial outside of salient pole 61d be formed be radially oriented it is protruding outside and by Fig. 1 (a), Fig. 1 The convex portion 67 of the first housing 21 and the second housing 22 clamping shown in (b).

(structure of coil rack 7)

Fig. 4 (a), Fig. 4 (b) are the coil rack 7 of the application motor 1 of the invention observed from the opposite side Z2 of Z-direction Explanatory diagram, Fig. 4 (a) for the entirety of coil rack 7 stereogram, Fig. 4 (b) for coil rack 7 exploded view.Fig. 5 (a), Fig. 5 The explanatory diagram of the coil rack 7 of b application motor 1 of the invention that () is observed from the side Z1 of Z-direction, Fig. 5 (a) is coil bone The stereogram of the entirety of frame 7, Fig. 5 (b) is the exploded view of coil rack 7.In addition, in Fig. 4 (a), Fig. 4 (b) and Fig. 5 (a), Fig. 5 In (b), in the terminal pins 8a of the coil rack 7a in two coil racks 7a, 7b, the first extension 81 and second are prolonged The first direction that extending portion 83 extends is used as Z-direction, the second direction that relay 82 is extended (direction intersected with first direction) Used as X-direction, the third direction that will intersect with first direction and the two directions of second direction is used as Y-direction.Also, in figure In 4 (a), Fig. 4 (b) and Fig. 5 (a), Fig. 5 (b), the side of Z-direction (first direction) is set to the Z1 (first party in the present invention To side), by opposite side be set to Z2 (present invention in first direction opposite side, protrude the side of output shaft 10), by X The side in direction (second direction) is set to X1, and the opposite side of X-direction (second direction) is set into X2, by Y-direction (third direction) Side be set to Y1, the opposite side of Y-direction (third direction) is set to Y2.

As shown in Fig. 3 (a), coil rack 7a and coil rack 7b has identical structure, is configured to connect salient pole Line centered on the line of 61a, 61d is symmetrical.Therefore, illustrated centered on the structure of coil rack 7a.

As shown in Fig. 3 (a), Fig. 4 (a), Fig. 4 (b) and Fig. 5 (a), Fig. 5 (b), coil rack 7 includes：Insulating properties skeleton Body 70, the insulating properties frame body 70 has the main part 71 of the tubular for being wound with the coil line 90 to form coil 9；And Two terminal pins 8 (terminal pins 8a, 8b), described two terminal pins 8 (terminal pins 8a, 8b) are kept by frame body 70.Skeleton sheet Body 70 is formed from a resin, and terminal pins 8 are made of metal.

Frame body 70 has appearance and size bigger than main part 71 in the end (one end) of the radially inner side of main part 71 First, along portion 72, has appearance and size second edge bigger than main part 71 in the end (other end) of the radial outside of main part 71 Portion 73.First is opposed across main part 71 along portion 73 with second along portion 72, and is enclosed between portion 73 along portion 72 and second first Coil line 90 is wound with around main part 71.

In the present invention, main part 71 is four square tube shapes, and is inserted with stator core 60 in the inner side of the main part 71 Salient pole 61f.Here, the inner surface 711 in main part 71 is formed with the bearing of trend along main part 71 (shown in Fig. 3 (a) The projected direction of salient pole 61f) extend convex portion 710 (reference picture 3 (b)).In the present embodiment, four interior tables of main part 71 Face 711 is each formed with convex portion 710.Therefore, convex portion 710 abuts from four direction with the salient pole 61f of stator core 60, therefore suppresses Main part 71 is moved towards the projected direction of salient pole 61f relative to salient pole 61f and suppression coil skeleton 7 is relative to stator core 60 Deviation position.Also, in the case of there is space between the inner surface 711 and salient pole 61f of main part 71, convex portion 710 Can be abutted with salient pole 61f from four direction, therefore inhibit main part 71 relative to salient pole 61f towards Y-direction and towards Z Direction is moved and suppression coil skeleton 7 is relative to the deviation position of stator core 60.

In the present invention, first is the tabular of quadrangle along portion 72.Second has the end shape in main part 71 along portion 73 Heavy wall connecting portion 731 into the side of the side Z1 in Z-direction, from the end of the opposite side Y2 of the Y-direction of connecting portion 731 along master The side that Z-direction in body portion 71 extends forms the first columnar part 74 of heavy wall and the side Y1 of the Y-direction from connecting portion 731 End along in main part 71 Z-direction extend side formed heavy wall the second columnar part 75, the first columnar part 74 and second It is opposed across main part 71 between columnar part 75.Also, the end of the opposite side Z2 in the Z-direction of the first columnar part 74 is formed with The first terminal platform portion 76 of heavy wall, the second end of heavy wall is formed with the end of the opposite side Z2 of the Z-direction of the second columnar part 75 Sub- platform portion 77, is linked together between the first terminal platform portion 76 and Second terminal platform portion 77 by connecting portion 732.Like this in master The end (other end) of the radial outside in body portion 71, by connecting portion 731, the first columnar part 74, the second columnar part 75, the first terminal Platform portion 76, Second terminal platform portion 77 and connecting portion 732 constitute second along portion 73.

In such frame body 70 for constituting, second maintained along portion 73 two terminal pins 8 (terminal pins 8a, 8b).Here, terminal pins 8a has the first extension 81, first extension 81 side Z1 along the Z direction extend and from Frame body 70 has the end for being wound with coil line 90 towards the side Z1 (side of first direction) of Z-direction prominent part The first end sub-portion 80a of (not shown).Also, terminal pins 8a has the end of the opposite side Z2 from the Z-direction of the first extension 81 Relay 82 that portion bends towards the X-direction that intersect with Z-direction and from relay 82 and the opposite side of the first extension 81 End towards Z-direction opposite side Z2 (opposite side of first direction) extend the second extension 83, the second extension 83 from The part that frame body 70 is protruded towards the opposite side Z2 of Z-direction has Second terminal portion 80b.In the present embodiment, relay Portion 82 at right angles bends relative to the first at right angles bending of extension 81, the second extension 83 relative to relay 82.Therefore, exist The bending section 87 for having rectangular bending is constituted between the extension 81 of relay 82 and first, in the extension 83 of relay 82 and second Between constitute the bending section 86 for having rectangular bending.

Shape to this terminal pins 8a is corresponding, has along portion 73 the second of frame body 70 and is formed at the first column The terminal pins maintaining part 78 of the holding terminal pins 8a in portion 74 and the first terminal platform portion 76, terminal pins maintaining part 78 has from Z side To side Z1 supporting relay 82 and limit the second extension 83 towards Z-direction side Z1 displacement (movement) support 785。

More specifically, the end face in the opposite side Z2 of the Z-direction in the first terminal platform portion 76 is formed with along relay The groove 781 that 82 bearing of trend (X-direction) extends, is formed with the opposite side X2 from the X-direction of groove 781 in the first columnar part 74 End (end of the side where the first extension 81, the end of the side opposite with the side where the second extension 83) Towards the through hole 782 that the side Z1 of Z-direction extends, terminal pins maintaining part 78 is formed by groove 781 and through hole 782.Described In terminal pins maintaining part 78, because groove 781 is open towards the opposite side Z2 of Z-direction, so if the first of terminal pins 8a is prolonged Extending portion 81 is pressed into through hole 782, and is pressed into relay 82 to groove 781, then terminal pins 8a is formed as the first extension 81 The state that end is protruded from the side Z1 of Z-direction and the second extension 83 is protruded towards the opposite side Z2 of Z-direction.

In this state, the bottom of groove 781 is formed from least relay in the side Z1 supporting relays 82 of Z-direction 82 and the support 785 of the second bending section 86 between extension 83.In the present embodiment, support 785 from Z-direction one Side Z1 supports whole relay 82 (reference picture 3 (c)).

Also, the side of sidewall portion 786,787 of groove 781 is from the two of the Y-direction intersected with Z-direction and the two directions of X-direction Side contacts with relay 82, so as to the wall portion conjugated towards Y-direction as limitation relay 82 plays a role.

On the other hand, the bearing of trend of the relay 82 of terminal pins 8b is different from terminal pins 8a, but terminal pins 8b's is basic Structure is identical with terminal pins 8a.Therefore, terminal pins 8b includes the first extension 81 identically with terminal pins 8a, and described first extends The part that the side Z1 along the Z direction of portion 81 extends and protruded in the side Z1 from frame body 70 towards Z-direction has winding The first end sub-portion 80a of the end (not shown) of wired astragal 90.Also, terminal pins 8b has from the Z side of the first extension 81 To opposite side Z2 the relay 82 that is bent towards the direction intersect with Z-direction of end and from relay 82 and the first extension The second extension 83 that the end of the opposite side of portion 81 extends towards the opposite side Z2 of Z-direction, the second extension 83 is from skeleton The part that body 70 is protruded towards the opposite side Z2 of Z-direction has Second terminal portion 80b.With the shape phase of this terminal pins 8b Should, have along portion 73 the second of frame body 70 and be formed at the holding end in the second columnar part 75 and Second terminal platform portion 77 The terminal pins maintaining part 79 of son pin 8b.Terminal pins maintaining part 79 has the opposite side Z2 of the Z-direction for being formed at Second terminal platform 77 Face and be formed at Second terminal platform 77 the side of main part 71 face stage portion 791 and the end (first from stage portion 791 The end of the side where extension 81, the end of the side opposite with the side where the second extension 83) towards Z-direction The through hole 792 that side Z1 extends, is made up of the bottom of the side Z1 of the Z-direction of stage portion 791 and is supported from the side Z1 of Z-direction The support (not shown) of whole relay 82.In addition, being formed with from main body in the end of the side of through hole 792 of stage portion 791 The side of sidewall portion 793 of the end by the side of the first extension 81 of the side bearing relay 82 of portion 71, and suppress to relay by side of sidewall portion 793 Portion 82 is towards the side shifting of main part 71 1.

Further, since coil rack 7b have with coil rack 7a identical structures, therefore omit the description.

(electric connection structure)

When motor 1 is constituted using above-mentioned coil rack 7, the winding starting ends of coil line 90 are wound in terminal pins After the first end sub-portion 80a of the side in 8a, 8b, connected using soldering, and the winding of coil line 90 is terminated into end be wound in After the first end sub-portion 80a of the opposing party in terminal pins 8a, 8b, connected using soldering.Next, by (the coil bone of coil rack 7 Frame 7a, 7b) salient pole 61b, 61f of stator core 60 is assemblied in, so as to constitute stator 6.In this state, coil rack 7 Second is located in rectangular portion 69b, 69f of stator core 60 along the first columnar part 74 in portion 73 and the second columnar part 75 Side, and the first terminal platform portion 76 and Second terminal platform portion 77 are in the opposite side Z2 of Z-direction and the rectangular portion of stator core 60 69b, 69f are overlapped.

If the stator 6, rotor 5 and gear train 4 etc. to be contained in the Inner Constitution motor 1 of housing 2, terminal pins The end of the side Z1 of the Z-direction of first extension 81 of 8a, 8b is accommodated in the first housing 21 shown in Fig. 2 (a), Fig. 2 (b) Base plate 215 hole 216 in.Also, the Second terminal portion 80b of the first end sub-portion 80a and terminal pins 8b of terminal pins 8a Protruded from the second housing 22.Therefore, it is as shown in Fig. 1 (b), wiring substrate 3 is overlap with the second housing 22, so that being formed through Protruded from wiring substrate 3 in the output shaft 10 in the hole of wiring substrate 3 and the Second terminal portion 80b of terminal pins 8a, 8b.Also, The Second terminal portion 80b of terminal pins 8a, 8b is connected to the pad of wiring substrate 3 using soldering.In addition, in the first housing 21 In, hole 216 both can be through hole and may also be recess with the end.Either which kind of situation, the first extension 81 of terminal pins 8a, 8b The base plate 215 of the end not with the first housing 21 of side Z1 of Z-direction abut.

Also, if powered to coil 9 (coil 9a, 9b) using wiring substrate 3 and terminal pins 8 (terminal pins 8a, 8b), Then motor 1 works, and output shaft 10 rotates.Therefore, if pointer (not shown) is connected into output shaft 10, may make up pointer-type Gauge, and it is described pointer-type measuring instrument in using be supplied to coil 9 driving pulse switch pointer angle position. Now, if to make pointer rotate to the driving pulse of offer stopping behind target location clockwise, can stop pointer In target location.Also, provided that the driving pulse of counter-rotating, then can be making pointer rotate to another mesh counterclockwise Cursor position.

(main efficacy results of present embodiment)

As described above, in the coil rack 7 and motor 1 of present embodiment, terminal pins 8 have along the one of Z-direction First extension 81 of side Z1 extensions, the end direction from the opposite side Z2 of the Z-direction of the first extension 81 intersect with Z-direction The relay 82 of X-direction bending and from the end of relay 82 and the first extension 81 opposite side towards the another of Z-direction The second extension 83 that side Z2 extends, frame body 70 has the support that relay 82 is supported from the side Z1 of Z-direction 785.Thus, for example, as shown in Fig. 1 (b), wiring substrate 3 is overlap with the second housing 22, so that being formed through in distribution The Second terminal portion 80b of the terminal pins 8 in the hole of substrate 3 from wiring substrate 3 protrude when, even if terminal pins 8 are contacted with wiring substrate 3 So as to the Second terminal portion 80b to the second extension 83 applies load, it is also possible to suppressed by the support 785 of frame body 70 The second extension 83 and relay 82 is caused to be conjugated towards the side Z1 of Z-direction because applying load.Therefore, in assembling motor When 1, the first end sub-portion 80a of the end for being wound with coil line 90 in terminal pins 8 is difficult displacement.Therefore, will not be to coil line 90 end applies excessive tension force, therefore coil line 90 is not likely to produce broken string.Further, it is possible to by motor 1 (pointer-type meter Amount instrument) when being installed in vehicle, suppress the first end sub-portion 80a displacements caused by vibration.

Also, in frame body 70, support 785 supports at least relaying in relay 82 from the side Z1 of Z-direction Bending section 86 between the extension 83 of portion 82 and second.Especially in the present embodiment, side Z1 of the support 785 from Z-direction Support whole relay 82.Therefore, reliably bear what the second extension 83 was applied by the support 785 of frame body 70 Load such that it is able to more reliably suppress the second extension 83 and relay 82 and conjugated towards the side Z1 of Z-direction.

Also, terminal pins 8a is accommodated in the inside of groove 781, and using the groove 781 side of sidewall portion 786,787 constitute from The both sides of the Y-direction intersected with Z-direction and the two directions of X-direction contact with relay 82 and limit relay 82 towards Y The wall portion of direction displacement.Therefore, it is possible to prevent terminal pins 8 around rotation of the first extension 81 etc..Also, because relay 82 is held It is contained in the groove 781 being open towards the opposite side Z2 of Z-direction, therefore, it is possible to insert relay 82 from the opposite side Z2 of Z-direction, from And terminal pins 8 are installed on framework main 70.Also, due to the first extension 81 be pressed into frame body 70 along Z side To in the through hole 782 for extending, therefore, it is possible to terminal pins 8 easily are installed on into frame body 70.Terminal pins 8b is also this Structure.

Also, the inner surface of the main part 71 in frame body 70 is formed with along the convex of the bearing of trend extension of main part 71 Portion 710.Therefore, convex portion 710 abuts with the salient pole 61f of stator core 60, thus, it is possible to suppress salient pole 61f in main part 71 Portion conjugates accidentally.

(other embodiment)

Fig. 6 (a), Fig. 6 (b) are other coil bones for the application motor 1 of the invention observed from the opposite side Z2 of Z-direction The explanatory diagram of frame 7.

In the above-described embodiment, the relay 82 of terminal pins 8a is contained in groove 781, but such as Fig. 6 (a), Fig. 6 (b) institutes Show, in the present embodiment, not frame body 70 formed groove 781, but make through hole 782 second along portion 73 Z-direction The end face 730 of opposite side Z2 be open.Therefore, the relay 82 of terminal pins 8a extends along second along the end face 730 in portion 73.Cause This, the supporting of the relay 82 from the side Z1 supporting terminal pins 8a of Z-direction is constituted using second along the end face 730 in portion 73 Portion.Also, in the present embodiment, stage portion 791 is not formed in frame body 70, but make through hole 792 second along portion 73 end face 730 is open.Therefore, the relay 82 of terminal pins 8b extends along second along the end face 730 in portion 73.Therefore, utilize Second support that the relay 82 from the side Z1 supporting terminal pins 8b of Z-direction is constituted along the end face 730 in portion 73.This knot In the case of structure, also the wall portion that be made up of projection can be set in the both sides of relay 82 prevent terminal pins 8 (terminal pins 8a, 8b) rotate.

(other embodiment)

In the above-described embodiment, the whole of terminal pins 8 is supported using support 785 or end face 730 (support) Relay 82, but also can be using the structure of a part for the relay 82 of the grade of support supported flexure portion 86.Also, can also use The support of convex is formed in frame body 70, and one of relay 82 of the grade of support supported flexure portion 86 using convex The structure divided.

In the above-described embodiment, terminal pins 8 are installed on frame body 70 by being pressed into, but also can be in forming skeleton During body 70, insert-molding terminal pins 8 manufacture coil rack 7.

In the above-described embodiment, motor is the structure of the inner side that rotor 5 is located at stator 6, but can also be answered the present invention The motor in the outside of stator 6 is located at for rotor 5.In this case, salient pole 61 is formed as being radially oriented outward from stator core 60 Side protrudes and the structure opposed with the inner peripheral surface (side face) of magnet 50.

Claims (9)

1. a kind of coil rack, has：Frame body including being wound with the insulating properties of the main part of the tubular of coil line；And The terminal pins kept by the frame body, it is characterised in that

The terminal pins have：

First extension, its side along a first direction extends and in the part protruded from the frame body with being wound with The first end sub-portion of the end of the coil line；

Relay, its end direction and the first direction phase from the opposite side of the first direction of first extension The second direction bending of friendship；And

Second extension, it is from the end of the relay and the first extension opposite side towards the first direction The opposite side extend and there is Second terminal portion in the part protruded from the frame body,

The frame body is with relay described in the side bearing from the first direction and limits second extension Portion towards the first direction the side conjugate support, also, the frame body have from the first party To and the intersecting third direction in the two directions of the second direction both sides contacted with the relay and limit it is described in After the wall portion that portion conjugates towards the third direction, the axis vertical take-off of the main part of the first direction and tubular is described Wall portion and the support be formed at towards the first direction described another side opening and inner side accommodate it is described in After in the groove in portion.

2. coil rack according to claim 1, it is characterised in that

At least described relay in relay described in a side bearing of the support from the first direction with it is described Bending section between second extension.

3. coil rack according to claim 2, it is characterised in that

The a side bearing whole relay of the support from the first direction.

4. coil rack according to claim 1, it is characterised in that

First extension is pressed into the through hole along first direction extension in the coil rack.

5. coil rack according to claim 1, it is characterised in that

The terminal pins by the frame body in the one end for being formed at the main part first along portion and be formed at institute State the other end of main part second keeps along the side in portion.

6. coil rack according to claim 1, it is characterised in that

The frame body the longitudinal end of the main part have appearance and size it is bigger than the main part along portion,

The terminal pins by it is described along portion keep and the support be formed at it is described along portion.

7. coil rack according to claim 1, it is characterised in that

The frame body has first bigger than the main part of appearance and size in the one end radially of the main part Along portion,

The frame body has bigger than the main part of appearance and size in the other end radially of the main part Two along portion,

Described first is opposed across the main part between portion with described second along portion,

Described first along portion and described second between portion, coil line winds around the main part.

8. a kind of motor, it is characterised in that the motor has：

The described coil rack of any one of claim 1 to 7；And

Salient pole is inserted into the stator core of the inner side of the main part.

9. motor according to claim 8, it is characterised in that

It is formed with the inner surface of the main part and abutted with the salient pole and suppress the main part relative to the salient pole court To the convex portion that the projected direction of the salient pole is moved.