CN110323878A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN110323878A CN110323878A CN201910231053.7A CN201910231053A CN110323878A CN 110323878 A CN110323878 A CN 110323878A CN 201910231053 A CN201910231053 A CN 201910231053A CN 110323878 A CN110323878 A CN 110323878A
- Authority
- CN
- China
- Prior art keywords
- cover
- terminal board
- face
- motor
- axis direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
Abstract
A kind of motor can inhibit resin to flow into the inside of cover when by resin sealing body cover.In the motor, cover (60) and terminal board (45) block the opening portion (111) of motor field frame (10) together.The resin of cover flows into the part that the protruding portion (63) prevented is covered on the midway portion on terminal pins (80) in the part in the slot (456) of terminal board (45), from first direction (X) to first end (81) side.In terminal pins from protruding portion expose part except the second end (82) nearby in addition to by sealing resin body (70) sealing.Protruding portion is prominent with the first plate portion (66) for being covered in second end face (450) and from the first plate portion and is embedded in multiple second plates portion (67) of multiple slots (456) respective inside.Therefore, when passing through resin molded formation sealing resin body, resin is not easy to flow into the side where first end via slot (456).
Description
Technical field
The present invention relates to a kind of motor, has the cover for the one end for covering the terminal pins for being held in terminal board.
Background technique
The motor of air-tightness as the motor field frame for improving covering rotor and stator, proposes following construction:
In the state for being blocked the opening portion of motor field frame by the terminal board for keeping multiple terminal pins and the cover for covering terminal pins
Lower progress is resin molded, is provided with the sealing resin body of the side of covering terminal board, cover and motor field frame (referring to patent document
1).In the motor documented by patent document 1, terminal pins are maintained in the slot being formed on terminal board, are covered with capped end
The mode for the part entirety of sub- pin being located in slot is arranged.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2008-113495 bulletin
Summary of the invention
The technical problems to be solved by the invention
But in the structure described in patent document 1, the end for only covering the coil connection of terminal pins, right
When resin sealing body is formed, resin may flow into the inside of cover, cut off etc. and ask because of pressure at this time there are coil line
Topic.
In view of the above problems, technical problem of the invention is, provides one kind energy when with resin sealing body cover
Resin is enough inhibited to flow into the motor of the inside of cover.
Technical scheme applied to solve the technical problem
In order to solve the above-mentioned technical problem, an of the invention mode provides a kind of motor comprising: rotor,
The rotor has permanent magnet；Stator, the stator are opposed with the permanent magnet；Motor field frame, the motor field frame cover
The rotor and the stator are covered, and the end of the side of axis direction is provided with end plate；Terminal board, the terminal board are matched
Be placed in the other side of the axis direction of the motor field frame, in the end face of the other side of the axis direction, with
Mode arranged in parallel is formed on the axis direction and the orthogonal second direction of first direction extends along the first direction
Multiple slots；Multiple terminal pins, the terminal pins are held in the respective inside of the multiple slot, and the one of the first direction
End be the connection of coil line first end and the other end, that is, external connection the second end respectively from the terminal board not
Same first side and second side is prominent；Cover, the cover is configured in a manner of covering the first end, with the terminal board
The opening portion of another side opening towards the axis direction of the motor field frame is blocked together；And sealing resin body,
The sealing resin body is arranged in a manner of covering the terminal board and the cover from the other side of the axis direction, covers institute
The side of motor field frame is stated, and is had for the second end wall surface outstanding, the cover has and the first side pair
Set the main part of the open edge abutting for the motor field frame and prominent from the main part and from the axis direction
The resin that is covered on the terminal board of the other side flow into the protruding portion prevented, the protruding portion has and the end face weighs
Folded the first plate portion and it is prominent to the side of the axis direction from first plate portion and be embedded in the multiple slot it is respective in
Multiple second plates portion in portion.
In the present invention, cover have from the other side of axis direction be covered on the resin on terminal board flow into prevent dash forward
Portion out, protruding portion have the first plate portion Chong Die with the end face of terminal board and protrude simultaneously from the first plate portion to the side of axis direction
It is embedded in multiple second plates portion of the respective inside of multiple slots.Therefore, when passing through resin molded formation sealing resin body, resin is not
The book of Changes is as the inside of the cover where slot flows into first end.
In the present invention, can be in the following way: the cover has the first protrusion, and first protrusion is in the main body
The position of the end abutment of motor field frame described in the ratio in portion is prominent to the side of the axis direction by the position of radially inner side,
And the inner peripheral surface of the motor field frame is connected to from radially inner side.According to which, it is easy to block motor field frame
The mode of opening portion configures cover.
In the present invention, can be in the following way: the terminal board, which has from radially inner side with the inner peripheral surface, to abut
Arc-shaped stage portion, first protrusion be embedded in the stage portion circumferential cut-off parts state from radially inner side
It is abutted with the inner peripheral surface.
It in the present invention, can be in the following way: on the face opposed with the terminal board of the main part, being formed
There is the first end to be located at the recess portion of inside.
It in the present invention, can be in the following way: being equipped with partition wall in the recess portion, the partition wall will be the multiple
It is separated in terminal pins, in this second direction between adjacent terminal pins.
In the present invention, can be in the following way: the cover has the second protrusion, and second protrusion is dashed forward from described
The position that portion is separated to the side of the axis direction out is prominent from the main part, and is covered on the direction of the terminal board
On first continuing surface of the side of the axis direction.According to which, cover can be positioned in the axial direction.
In the present invention, can be in the following way: second protrusion is formed in be separated in this second direction
Two positions, the terminal board, which has second abutted respectively from the opposite side of the second direction for second protrusion, to be accepted
Face.According to which, circumferential positioning of the cover relative to terminal board can be carried out using the second protrusion.
In the present invention, can be in the following way: the multiple terminal pins be respectively from being held in the multiple slot
Partial straight lines extend to the first end, and the face of the other side of the axis direction of second protrusion has inclined surface,
The inclined surface is tilted from the main part to the side of the axis direction, and is extended towards first continuing surface, institute
The face for stating the side of the axis direction in multiple second plates portion has the first face respectively, first face from the main part to
The side of the axis direction tilts and extends in the slot.First end is extended to from midway partial straight lines in terminal pins
In the case where portion, need to be set as the second plate portion in the position be overlapped with terminal board from the first plate portion structure outstanding in the axial direction
It makes, to avoid first end in mounting cup, but in this case, when forming cover, common mold can not be from the first plate portion
And second extract between protrusion.But in the present invention, the second protrusion axis direction the other side face and the second plate portion
Axis direction side face be provided with inclined surface, so, also can be from the first plate portion and second even common mold
It is extracted between protrusion, it is therefore not necessary to use expensive mold.
In the present invention, can be in the following way: first face extends to compared with the inclined surface far from described
The position of main part, the face of the side of the axis direction in the multiple second plate portion are respectively provided with the second face, and described second
Face is extending with the main part opposite side to the direction orthogonal with the axis direction relative to first face.According to this
Mode can more reliably inhibit the resin when passing through resin molded formation sealing resin body to flow into where first end via slot
Side.
It in the present invention, can be in the following way: being provided in the first side towards the cover positioning outstanding
Third protrusion is provided with the positioning region abutted from circumferential side and the other side with the third protrusion on the shroud.
According to which, the circumferential positioning of cover can easily be done.
(invention effect)
In the present invention, cover have from the other side of axis direction be covered on the resin on terminal board flow into prevent dash forward
Portion out, protruding portion have the first plate portion Chong Die with the end face of terminal board and protrude simultaneously from the first plate portion to the side of axis direction
It is embedded in multiple second plates portion of the respective inside of multiple slots.Therefore, when passing through resin molded formation sealing resin body, resin is not
The book of Changes is as the side where slot flows into first end.
Detailed description of the invention
Fig. 1 is the perspective view for applying motor of the invention.
Fig. 2 is the exploded perspective view of motor shown in FIG. 1.
Fig. 3 is the cross-sectional view of motor shown in FIG. 1.
Fig. 4 is the explanatory diagram of terminal board shown in Fig. 2 etc. from the other side of axis direction.
Fig. 5 is the cross-sectional view for cutting off terminal board shown in Fig. 4 etc. along terminal pins.
Fig. 6 is the perspective view that cover shown in Fig. 2 is mounted on to the state of first side side of terminal board.
Fig. 7 is the perspective view that the state of cover has been unloaded from state shown in fig. 6.
Fig. 8 is the perspective view of cover shown in Fig. 2.
Fig. 9 is the side view of cover shown in Fig. 2.
Figure 10 is the explanatory diagram of the variation 1 for the terminal pins of motor shown in FIG. 1.
Figure 11 is the explanatory diagram of the variation 2 for the terminal pins of motor shown in FIG. 1.
Figure 12 is the explanatory diagram for the variation 3 of the terminal pins of motor 1 shown in FIG. 1.
Description of symbols
1 ... motor, 10 ... motor field frames, 11 ... peripheral walls, 12 ... end plates, 13 ... flange parts, 20 ... stators, 30 ...
Rotor, 31 ... rotary shafts, 32 ... permanent magnets, 39 ... output shafts, 40 ... bobbins, 41 ... synthetic resin, 45 ... terminal boards, 60 ...
Cover, 61 ... main parts, 62 ... first protrusions, 63 ... protruding portions, 64 ... second protrusions, 66 ... first plate portions, 67 ... second plate portions,
68 ... partition walls, 70 ... sealing resin bodies, 71 ... resin portions, 72 ... canister portions, 73 ... bottoms, 76 ... wall surfaces, 78 ... connectors
Shell, 80 ... terminal pins, 81 ... first ends, 82 ... the second ends, 88,89 ... crushed portions, 111 ... opening portions, 120 ...
Hole, 450 ... end faces, 451 ... first sides, 452 ... second sides, 453 ... covers, 454 ... stage portions, 455 ... terminals are kept
Portion, 456 ... slots, the first continuing surface of 457a ..., the second continuing surface of 457b ..., 459 ... third protrusions, 641 ... inclined surface, 671 ...
First face, 672 ... second faces, X ... first direction, Y ... second direction
Specific embodiment
Hereinafter, being described with reference to one embodiment of the present invention.
(overall structure of motor)
Fig. 1 is the perspective view for applying motor 1 of the invention.Fig. 2 is the exploded perspective view of motor 1 shown in FIG. 1.
Fig. 3 is the cross-sectional view of motor 1 shown in FIG. 1.Motor 1 shown in FIG. 1 is stepping motor, such as referring to Fig. 2 and Fig. 3
As illustrated, by motor field frame 10, stator 20, rotor 30, bobbin 40, the cover structures such as 60 and sealing resin body 70
At.Motor 1 is being installed such as the driving source of the mixed airflow adjustable valve of petrol engine (mounting object component)
Demanding air-tightness under state.Therefore, motor 1 is configured to permissible motor.
Motor field frame 10 is formed as cylindric by magnetic metals such as iron, has along the direction axis L with cylindrical shape extension
The end plate 12 formed in a manner of the opening of peripheral wall 11 and the side La in the direction axis L to occlude peripheral wall 11.Motor field frame
The other side Lb in the direction axis L of 10 peripheral wall 11 is opening portion 111, forms the convex of oriented radial outside stretching in open edge
Edge 13.
Stator 20 is the cylindrical body being configured in motor field frame 10, and it is (outer fixed to have coil 21, bobbin 40, yoke 23
Sub- iron core) and yoke 24 (inner-stator iron core).Yoke 23,24 is metal circular plate, circumferentially square in inner peripheral
To be formed with curved multiple pole teeth 25 in the direction of the axisl at equal intervals.Yoke 23,24 with each pole tooth 25 in a circumferential direction
Alternately arranged mode is arranged opposite, and yoke 23,24 is configured with two groups in the direction of the axisl in couples.
Bobbin 40 is the synthetic resin for being molded yoke 23,24 using synthetic resin 41, by with by yoke
23, the state in 24 insertion molds carries out insert injection molding in mold and constitutes.The covering of synthetic resin 41 removes yoke 23,24
Peripheral part 232,242 and pole tooth 25 inner peripheral surface other than part, Chong Die with the annular portion 233,243 of yoke 23,24
The partially space for constituting convolute coil 21 each other of (flange part).The stator 20 constituted in this way is with the periphery of yoke 23,24
Portion 232,242 is configured with the mode that the peripheral wall 11 of motor field frame 10 locally connects.
Terminal board 45, motor field frame 10 are formed in the end of the other side Lb in the direction axis L of bobbin 40
The end (flange part 13) of other side Lb in the direction axis L abutted with terminal board 45.On terminal board 45, with edge and axis L
Direction and the orthogonal second direction Y mode arranged in parallel of first direction X are maintained along the first direction orthogonal with the direction axis L
Multiple terminal pins 80 that X extends.One end, that is, first end 81 of terminal pins 80 is from the side of the first direction X of terminal board 45
Face, that is, first side 451 is prominent.First end 81 is the terminal of coil line connection, in the end for the coil line for constituting coil 21
It is (not shown) be connected by deposition or soldering etc. in the state of, the cover 60 by being fixed on bobbin 40 covers.In this state,
The opening portion 111 of motor field frame 10 is by 60 blocking of terminal board 45 and cover.The other end, that is, the second end 82 of terminal pins 80 is
From the terminal of the side 452 outstanding external connections different from first side 451 of terminal board 45.In this mode, first
End 81 is prominent from another side, that is, second side 452 of first direction X, for being electrically connected with external.
On terminal board 45, the other side Lb in the direction oriented axis L is formed in the part for the side La for being located at the direction axis L
The bearing of recess hole portion 46.It is configured with the parts of bearings 96 of tubular in the inside of bearing hole portion 46, parts of bearings 96 supports
The outer peripheral surface of rotary shaft 31.In the bearing bottom of hole portion 46, the thrust bearing part being made of metal sphere 950 is supported
95, the end 310 of the other side Lb in the direction axis L of aftermentioned rotary shaft 31 is supported from the other side Lb in the direction axis L.
Rotor 30 has the cylindrical shape of the rotary shaft 31 extended along the direction axis L and the outer peripheral surface for being fixed on rotary shaft 31
Permanent magnet 32, in the outer peripheral surface of permanent magnet 32, alternating magnetization goes out the pole N and the pole S in the circumferential.The pole tooth 25 of stator 20 is outside in diameter
Side is opposed with permanent magnet 32.
Hole 120 is formed in the end plate 12 of motor field frame 10, and a part of rotary shaft 31 is from hole 120 towards axis L
The side La in direction is prominent.In this mode, the part shape outstanding of end plate 12 in rotary shaft 31, from motor field frame 10
At output shaft 39, helicla flute (not shown) is formed on output shaft 39.Therefore, it can be driven by the rotational alignment of output shaft 39
Movable valve plug etc..
Bearing 92 is maintained in the hole 120 for being formed in end plate 12 of motor field frame 10.Bearing 92 has rotatable
The end direction of the other side Lb in the canister portion 921 of the outer peripheral surface of ground supporting rotating shaft 31 and the direction axis L from canister portion 921 is radial
The widened wide diameter portion 922 in outside, wide diameter portion 922 are consolidated with the state for being connected to end plate 12 from the other side Lb in the direction axis L
It is fixed.
In the motor 1 constituted in this way, the opening portion 111 of motor field frame 10 is by being integrally formed at the end of bobbin 40
Sub- platform 45 and cover 60 blocking, in this state, terminal board 45, cover 60 and motor field frame 10 the direction axis L end by close
Resinite 70 is sealed to cover.Sealing resin body 70 has the bottom of the other side Lb in the direction axis L of covering terminal board 45 and cover 60
73 and from side covering terminal board 45, cover 60 and motor field frame 10 canister portion 72.
The second end 82 of terminal pins 80 is prominent from the wall surface 76 of sealing resin body 70.On sealing resin body 70, with
The connector shell 78 that the mode around the part configured with terminal pins 80 (around wall surface 76) is equipped with tubular is surrounded, it will
Connector insertion connector shell 78 (not shown) carries out the electrical connection of the terminal of terminal pins 80 and connector.In the method
In, connector is water-proof connector.
The face of the side La in the direction axis L towards motor field frame 10 of the canister portion 72 of sealing resin body 70, which becomes, to be used for
It is installed on the flange surface 77 of mixed airflow adjustable valve.Flange surface 77 is by the planar shaped orthogonal with the axial direction of motor field frame 10
At by the way that motor field frame 10 to be for example inserted into the opening portion of mixed airflow adjustable valve and makes its periphery with the opening portion
Planar mounting surface it is closely sealed, and via the seal members such as o-ring keep it is airtight.
Sealing resin body 70 is in the terminal stage of assembling procedure to cover terminal board 45, cover 60 and motor field frame 10
The resin portion 71 that the mode of the end in the direction axis L is formed, is made of thermoplastic resin or thermosetting resin.In the method
In, resin portion 71 is made of thermoplastic resins such as polybutylene terephthalate (PBT)s (PBT).Sealing resin body 70 is with will be electronic
The state that opening portion 111 of casing body 10 etc. is fully sealed is firmly fixed with motor field frame 10.In this state, motor
Shell 10 is in the state that the major part in addition to being located at the part of other side Lb in the direction axis L is exposed.Therefore, it can incite somebody to action
The heat generated in coil 21 is efficiently discharged to the outside via metal motor field frame 10.Therefore, it is able to suppress because of coil
Defective insulation, the thermal deformation of each component, thermal demagnetization of permanent magnet 32 caused by 21 insulating film fusing etc..In addition, due to
It is reduced by the part of resin covering, therefore can be realized path, lightweight and cost effective.Moreover, in forming seal resin
When body 70, the part in sealing resin body 70, around covering motor field frame 10 is pressed against motor field frame 10, therefore,
Flange surface 77 etc. can accurately be formed.Therefore, motor 1 can be accurately assembled on the basis of flange surface 77.
(structure of terminal pins 80 and terminal board 45 etc.)
Fig. 4 is the explanatory diagram that terminal board 45 shown in Fig. 2 is equal from the other side Lb in the direction axis L, and output is omitted
The diagram of axis 39.As shown in figure 4, terminal pins 80 are metal square rod, in this mode, terminal pins 80 are that section is in four
Side shape.Terminal pins 80 linearly extend along first direction X.In terminal pins 80, the two of the half-way of extending direction
A position is formed with crushed portion 88,89.Crushed portion 88,89 is formed by punch process.
On terminal board 45, the side La in the direction axis L is equipped with generally circular cover 453, in the another of the direction axis L
Side Lb is equipped with terminal retention portion 455.The face of the side La in the direction axis L of cover 453 becomes opening for electric motor shell 10
The first end face 453a that a part at mouth edge (flange part 13) abuts.
The other side in the direction axis L of terminal board 45 second end face 450 (direction axis L of terminal retention portion 455
The second end face 450 of the other side), Y parallel, which is shown, in a second direction extends along first direction X and keeps terminal pins in inside
80 multiple slots 456.Slot 456 extends to first side 451 and second side 452.In second end face 450, exist by slot 456
The part clipped on second direction Y is formed with recess portion 450a, 450b of channel-shaped.In the crushed portion 88,89 of terminal pins 80, conquassation
Portion 88 is located at the inside of slot 456, and crushed portion 89 is in from the position outstanding of second side 452.In this mode, because in terminal
It is formed with crushed portion 88 in pin 80, positioned at the part of the inside of slot 456, so being crushed the part locally stretched out when processing
Fall into the inner surface of slot 456.It therefore, can be suitably pre- solid by terminal pins 80 by the way that terminal pins 80 are pressed into slot 456
Due to slot 456.
(structure for covering 60 and first side 451 etc.)
Fig. 5 is the cross-sectional view that terminal board 45 shown in Fig. 4 etc. is cut off along terminal pins 80.Fig. 6 is by cover shown in Fig. 2
60 are installed on the perspective view of the state of 451 side of first side of terminal board 45.Fig. 7 is that cover 60 has been unloaded from state shown in fig. 6
State perspective view.Fig. 8 is the perspective view of cover 60 shown in Fig. 2.Fig. 9 is the side view of cover 60 shown in Fig. 2.
As shown in Figures 5 and 6, it is formed on terminal board 45 from the first end face 453a of cover 453 to the direction axis L
Side La stage portion 454 outstanding, stage portion 454 are formed in the position that radially inner side is leaned on than cover 453.From the direction axis L
When observation, the outer peripheral surface 454a of stage portion 454 is with curvature identical with the inner peripheral surface of peripheral wall 11 of motor field frame 10 half
The arc-shaped of diameter is abutted from radially inner side with the inner peripheral surface of the peripheral wall 11 of motor field frame 10.Stage portion 454 is broken in the circumferential
It opens, the end 454b of the circumferential two sides positioned at breaking part of stage portion 454 is prominent from first side 451 towards cover 60.
In the first side 451 of terminal board 45, it is formed between the end 454b of stage portion 454 outstanding towards cover 60
4th protrusion 459.In this mode, the 4th protrusion 459 is formed in two positions separated on second direction Y.
In the first end face 453a of cover 453, in the direction of the axisl with the locally be overlapped position shape of stage portion 454
At there is the first continuing surface 457a, the first continuing surface 457a towards the side La in the direction axis L more leaning on than first end face 453a
The position of the other side Lb in the direction axis L is formed in two positions separated on second direction Y.Therefore, the first continuing surface
Become the recess portion 457 being open in first side 451 between 457a and stage portion 454.In recess portion 457, towards second direction Y's
Face is the second continuing surface 457b, and the second continuing surface 457b that two positions separated in a second direction are formed is mutual in the circumferential
Reversely.
In Fig. 6, Fig. 8 and Fig. 9, cover 60 is synthetic resin, has the master opposed with the first side 451 of terminal board 45
Body portion 61 prevents from using from the end of the other side Lb in the direction axis L of main part 61 towards the inflow of the resin outstanding of terminal board 45
Protruding portion 63 and at the circumferential both ends of main part 61 respectively from the end of the side La in the direction axis L of main part 61
Portion is towards second protrusion 64 outstanding of terminal board 45.In addition, cover 60 has the end from the side La in the direction axis L of main part 61
The first protrusion 62 outstanding the side La in portion to the direction axis L.
In first protrusion 62, with the outer peripheral surface 621 of 451 opposite side of first side than main part 61 and first side
The outer surface 611 of 451 opposite side is extended by the position of radially inner side along the open edge of motor field frame 10 with arc-shaped,
When from the direction axis L, become the arc surface with radius of curvature identical with the outer peripheral surface 454a of stage portion 454.?
Between first protrusion 62 and main part 61, become the first end face in the flange part 13 of motor field frame 10, with terminal board 45
The bearing surface 610 that part other than the part that 453a is abutted abuts.In this mode, the first protrusion 62 is formed in main part 61
Circumferential a part.In this mode, the first protrusion 62 is formed in the circumferential center of main part 61.
On the first protrusion 62, it is formed with recess portion 69 on the face opposed with first side 451, in recess portion 69 in the circumferential
Opposed inner wall 691,692, which becomes, to abut from circumferential side and the other side with the 4th protrusion 459 of terminal board 45 to provide to cover
The positioning region 690 of 60 circumferential position.
Protruding portion 63 has prominent from the end of the other side Lb in the direction axis L of main part 61 towards terminal board 45 and covers
The first plate portion 66 for being placed in the second end face 450 of terminal board 45 and from the first plate portion 66 to the side La in the direction axis L with
Mode arranged in parallel multiple second plates portion 67 outstanding on second direction Y, it is respective that multiple second plates portion 67 is respectively embedded into slot 456
Inside and the terminal pins 80 that are covered in slot 456 on.Therefore, in forming seal resinite 70, it can prevent resin from existing
The inside of cover 60 is spread and flowed into around terminal pins 80.
The recess portion 65 that first end 81 is located inside is formed on the face opposed with terminal board 45 in main part 61.At this
In mode, recess portion 65 is divided into the small recess portion 650 for accepting the first end 81 of multiple terminal pins 80 by partition wall 68.
Multiple terminal pins 80 are respectively from 84 linear extension of part being located in slot 456 to first end 81.Second protrusion
The face 640 of the other side Lb in 64 direction axis L has inclination and direction first from main part 61 to the side La in the direction axis L
The inclined surface 641 that continuing surface 457a extends.Therefore, the first continuing surface 457a also becomes the inclined inclined surface in the same manner as face 640.
In addition, the face 670 of the side La in the direction axis L has one from main part 61 to the direction axis L in multiple second plates portion 67
It rolls tiltedly and extends to the first face 671 in slot 456.In this mode, first face 671 in the second plate portion 67 extends to and second
The position far from main part 61 is compared in the inclined surface 641 of protrusion 64, and the face 670 in multiple second plates portion 67 respectively becomes the second face
672, these second faces 672 relative to the first face 671 and 61 opposite side of main part to the side orthogonal relative to the direction axis L
To extension, the second face 672 is covered in the terminal pins 80 in slot 456.
When the cover 60 that will be constituted in this way is in such a way that the first protrusion 62 enters the inside of the opening portion 111 of motor field frame 10
When being pressed into 45 side of terminal board, the second protrusion 64 is embedded in the inside of recess portion 457, on the other hand, the first plate portion 66 of protruding portion 63
Other side Lb from the direction axis L is Chong Die with second end face 450.In this state, the end of the first protrusion 62 insertion stage portion 454
Between portion 454b (the circumferential breaking part of stage portion 454), round plate is constituted.In addition, bearing surface 610 and the end of main part 61
The first end face 453a of the cover 453 of sub- platform 45 constitutes same plane.
At this point, the inside of the second protrusion 64 insertion recess portion 457, side La and the first continuing surface 457a from the direction axis L
Overlapping, and it is Chong Die with the second continuing surface 457b from circumferential two sides.In addition, two the 4th protrusions 459 of terminal board 45 are embedded in cover
60 recess portion 69.Therefore, cover 60 is located on terminal board 45 in circumferential direction and the direction axis L.In addition, the first protrusion 62 and platform
Rank portion 454 is embedded in inside from the opening portion of motor field frame 10 111, and abuts from radially inner side with peripheral wall 11.In addition, motor
The open edge (flange part 13) of shell 10 is abutted with the bearing surface 610 of cover 60 and first end face 453a, motor field frame 10
Opening portion 111 is blocked by cover 60 and terminal board 45.
In this state, as shown in figure 5, the respective first end 81 of multiple terminal pins 80 is located at the inside of recess portion 650.
But first end 81 is not abutted with the inner wall 651 of recess portion 650.
In addition, working as the first plate portion 66 of the protruding portion 63 of cover 60 from the other side Lb and 450 weight of second end face in the direction axis L
When folded, the second plate portion 67 becomes the state of the terminal pins 80 in covering slot 456.In this state, cover 60 protruding portion 63 from
The midway portion of terminal pins 80 covers 81 side of first end, and the other parts of terminal pins 80 are (from midway portion to second end
82 side of portion) become the state exposed from cover 60.Therefore, by it is resin molded form sealing resin body 70 when, terminal pins
Part in 80, in addition to part and the second end 82 that quilt cover 60 covers is covered by sealing resin body 70.At this point, being formed in end
The crushed portion 88,89 of sub- pin 80 is in from the position that cover 60 exposes and is therefore formed with the part of crushed portion 88,89 by close
Resinite 70 is sealed to cover.
(main effect of the method)
As mentioned above, it in the motor of the method 1, covers 60 resin and flows into the protruding portion 63 that prevents and be covered on
In the second end face 450 of terminal board 45, positioned at the part of 81 side of first end.Therefore, the second end 82 of terminal pins 80 is worn
It crosses slot 456 and is protruded from terminal board 45, it is therefore not necessary to which setting makes hole outstanding of the second end 82 etc. on cover 60.Therefore, can
Simplify the structure of cover 60.In addition, can be carried out efficiently the operation of mounting cup 60.In addition, the respective position of multiple terminal pins 80
It is sealed in the part in slot 456, from the part that protruding portion 63 exposes by sealing resin body 70, therefore, moisture is not easy from terminal
Space (inside of cover 60) of the intrusion configured with first end 81 around pin 80.
In addition, protruding portion 63 has the first plate portion 66 being covered in second end face 450, prominent and embedding from the first plate portion 66
Enter multiple second plates portion 67 of the respective inside of multiple slots 456.Therefore, when passing through resin molded formation sealing resin body 70,
Resin is not easy to flow into the inside of the cover 60 where first end 81 via slot 456.Therefore, in moulding resin seal 70, no
It is also easy to produce the problems such as coil line breaks because of the resin of inflow.
In addition, multiple terminal pins 80 respectively from be located at slot 456 in 84 linear extension of part to first end 81, with this
Structure is corresponding, is respectively equipped on the face 640 of the second protrusion 64 and the face 670 in the second plate portion 67 from main part 61 to axis L
The inclined inclined surface 641 the side La in direction and the first face 671.Therefore, in molding cover 60, even common mold,
Mold can be obliquely extracted between the first plate portion 66 and the second protrusion 64, it is therefore not necessary to use expensive mold.That is, being
It avoids first end 81 in mounting cup 60, and is set as the second plate portion 67 in the position Chong Die with terminal board 45 from the first plate
It, can not be from the thinning in the first plate portion 66 and the second protrusion 64 in common mold when the construction outstanding to the direction axis L of portion 66
Mold out, but according to the method, problems will not be generated.
In addition, the second plate portion 67 have relative to the first face 671 with 61 opposite side of main part to the direction axis L just
The second face 672 that the direction of friendship extends, therefore, the second plate portion 67 is properly covered in the terminal pins 80 in slot 456.Cause
This, when passing through resin molded formation sealing resin body 70, resin is not easy to flow into one where first end 81 via slot 456
Side.
In addition, the first side 451 in terminal board 45 is formed with third protrusion 459, it is equipped on cover 60 from circumferential one
Therefore the positioning region 690 that side and the other side are abutted with third protrusion 459 can easily be done the circumferential positioning of cover 60.
In addition, the protruding portion 63 of cover 60 is covered on terminal board 45 from the other side Lb in the direction axis L, cover 60 it is second convex
Portion 64 is from the first continuing surface 457a that the side La in the direction axis L is covered on terminal board 45.Therefore, because in by cover 60
Protruding portion 63 and the second protrusion 64 clip the state of terminal board 45 from the two sides in the direction axis L, thus can by cover 60 relative to
Terminal board 45 is properly located.It therefore, can be in the opening portion for properly blocking motor field frame 10 by terminal board 45 and cover 60
Motor 1 is assembled in the state of 111.In addition, on terminal board 45, in the other side for leaning on the direction axis L than first end face 453a
The position of Lb is formed with the first continuing surface 457a, and therefore, the protruding portion 63 easy to form by cover 60 and the second protrusion 64 are from axis L
The two sides in direction clip the state of terminal board 45.
In addition, cover 60 supports in the state that the first protrusion 62 is connected to first side 451 of terminal board 45 from radially inner side
It is connected to the inner peripheral surface of motor field frame 10.Therefore, it is easy to configure cover in a manner of the opening portion 111 for blocking motor field frame 10
60.In addition, cover 60 and terminal board 45 can be oriented properly on the opposed first direction X of cover 60 and terminal board 45.In addition,
The stage portion 454 that the side La in the direction axis L is projected into from first end face 451 is equipped on terminal board 45.Therefore, can by
Terminal board 45 and cover 60 assemble motor 1 in the state of properly plugging the opening portion 111 of motor field frame 10.
In addition, between the end 454b of the first protrusion 62 insertion stage portion 454.In addition, two the second protrusions 64 respectively from
Circumferential opposite side is abutted with the second continuing surface 457b.In addition, the recess portion of two the 4th protrusions 459 insertion cover 60 of terminal board 45
69.Therefore, cover 60 is located in terminal board 45 in circumferential direction and the direction axis L.
In addition, motor field frame 10 is formed with flange part 13 in open edge, so, even if making opening for motor field frame 10
Mouth edge is connected to the main part 61 of cover 60 and the first end face 453a of terminal board 45, the open edge of motor field frame 10, cover
60 main part 61 and the first end face 453a of terminal board 45 are also unlikely to deform.
(other embodiment)
Figure 10 is the explanatory diagram for the variation 1 of the terminal pins 80 of motor 1 shown in FIG. 1.Figure 11 is for Fig. 1
Shown in motor 1 terminal pins 80 variation 2 explanatory diagram.Figure 12 is drawn for the terminal of motor 1 shown in FIG. 1
The explanatory diagram of the variation 3 of foot 80.
In the embodiment that referring to Fig.1~Fig. 9 is illustrated, terminal pins 80 linearly extend, but draw in terminal
Foot can also be using the present invention in the case where having bending section.For example, as shown in Figure 10, for being only arranged in 82 side of the second end
Bending section 822 and the second end 82 are located at the side La that the direction axis L is leaned in the part 84 than first end 81 or in slot 456
Position the case where can also using the present invention.In addition, as shown in figure 11, for bending section only is arranged in 81 side of first end
821 and first end 82 be located at part 84 than the second end 82 or in slot 456 by the position of the side La in the direction axis L
The case where can also using the present invention.In addition, as shown in figure 12, for being set in 81 side of first end and 82 side both sides of Second terminal
There is bending section 821,822 and first end 81 and the second end 82 are located at than the part 84 in slot 456 by the direction axis L
The case where position of side La, can also be using the present invention.
(other embodiment)
In the above-described embodiment, motor 1 is stepping motor, but the motor of other types can also be applied
The present invention.
Claims (10)
1. a kind of motor comprising:
Rotor, the rotor have permanent magnet；
Stator, the stator are opposed with the permanent magnet；
Motor field frame, the motor field frame cover the rotor and the stator, and in the end of the side of axis direction
It is provided with end plate；
Terminal board, the terminal board is configured at the other side of the axis direction of the motor field frame, in the axis side
To the other side end face, with mode shape arranged in parallel in the second direction orthogonal with the axis direction and first direction
At the multiple slots having along first direction extension；
Multiple terminal pins, the multiple terminal pins are held in the respective inside of the multiple slot, and the one of the first direction
End be the connection of coil line first end and the other end, that is, external connection the second end respectively from the terminal board not
Same first side and second side is prominent；
Cover, the cover is configured in a manner of covering the first end, and the motor case is blocked together with the terminal board
The opening portion of another side opening towards the axis direction of body；And
Sealing resin body, the sealing resin body is to cover the terminal board and the cover from the other side of the axis direction
Mode is arranged, and covers the side of the motor field frame, and has for the second end wall surface outstanding,
The cover includes the main part that the open edge for the motor field frame opposed with the first side abuts；With
And resin inflow that is prominent from the main part and being covered on the terminal board from the other side of the axis direction prevents from using
Protruding portion,
The protruding portion includes the first plate portion Chong Die with the end face；And from first plate portion to the axis direction
Side it is prominent and be embedded in multiple second plates portion of the respective inside of the multiple slot.
2. motor according to claim 1, which is characterized in that
The cover has the first protrusion, the end abutment of the first protrusion motor field frame described in the ratio of the main part
Position is prominent to the side of the axis direction by the position of radially inner side, and is connected to the motor case from radially inner side
The inner peripheral surface of body.
3. motor according to claim 2, which is characterized in that
The terminal board has the stage portion of the arc-shaped abutted from radially inner side with the inner peripheral surface,
First protrusion be embedded in the stage portion circumferential cut-off parts state from radially inner side and the inner peripheral surface
It abuts.
4. motor according to claim 1, which is characterized in that
On the face opposed with the terminal board of the main part, it is formed with the recess portion that the first end is located inside.
5. motor according to claim 4, which is characterized in that
The recess portion be equipped with partition wall, the partition wall by the multiple terminal pins, it is adjacent in this second direction
Terminal pins between separate.
6. motor according to claim 5, which is characterized in that
The cover has the second protrusion, and second protrusion is in the position separated from the protruding portion to the side of the axis direction
It sets from the main part and protrudes, and be covered on the first continuing surface of the side towards the axis direction of the terminal board
On.
7. motor according to claim 6, which is characterized in that
Second protrusion is formed in two positions separated in this second direction,
The terminal board has the second continuing surface abutted respectively from the opposite side of the second direction for second protrusion.
8. motor according to claim 7, which is characterized in that
The multiple terminal pins extend to the first end from the partial straight lines for being held in the multiple slot respectively,
The face of the other side of the axis direction of second protrusion has an inclined surface, the inclined surface from the main part to
The side of the axis direction tilts, and extends towards first continuing surface,
The face of the side of the axis direction in the multiple second plate portion has the first face respectively, and first face is from the master
Body portion tilts to the side of the axis direction and extends in the slot.
9. motor according to claim 8, which is characterized in that
First face extends to the position compared with the inclined surface far from the main part,
The face of the side of the axis direction in the multiple second plate portion is respectively provided with the second face, and second face is relative to institute
The first face is stated to extend with the main part opposite side to the direction orthogonal with the axis direction.
10. motor described according to claim 1~any one of 9, which is characterized in that
The third protrusion towards the cover positioning outstanding is provided on the terminal board,
It is provided with the positioning region abutted from circumferential side and the other side with the third protrusion on the shroud.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-067956 | 2018-03-30 | ||
| JP2018067956A JP7072427B2 (en) | 2018-03-30 | 2018-03-30 | motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110323878A true CN110323878A (en) | 2019-10-11 |
| CN110323878B CN110323878B (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910231053.7A Active CN110323878B (en) | 2018-03-30 | 2019-03-26 | Electric motor |
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| Country | Link |
|---|---|
| JP (1) | JP7072427B2 (en) |
| CN (1) | CN110323878B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022025830A (en) * | 2020-07-30 | 2022-02-10 | 日本電産サンキョー株式会社 | motor |
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|---|---|---|---|---|
| CN1469528A (en) * | 2002-06-13 | 2004-01-21 | ��ʽ������Э���������� | Stator structure of motor |
| CN101039051A (en) * | 2006-03-14 | 2007-09-19 | 日本电产三协株式会社 | Stator structure of motor |
| CN101901661A (en) * | 2009-05-26 | 2010-12-01 | 浙江三花股份有限公司 | Electromagnetic coil device |
| JP2012120384A (en) * | 2010-12-03 | 2012-06-21 | Hitachi Automotive Systems Ltd | Driving device |
| CN103401348A (en) * | 2013-08-06 | 2013-11-20 | 常州乐士雷利电机有限公司 | Terminal connecting device, stepping motor applying same and assembling method for stepping motor |
| CN104104172A (en) * | 2013-04-08 | 2014-10-15 | 日本电产三协株式会社 | Motor |
| CN105322684A (en) * | 2014-08-01 | 2016-02-10 | 日本电产高科电机株式会社 | Motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5918550U (en) * | 1982-07-23 | 1984-02-04 | アスモ株式会社 | Bobbin for stepping motor |
| JP2005253138A (en) * | 2004-03-01 | 2005-09-15 | Mitsubishi Material Cmi Kk | Motor |
| JP2005304159A (en) * | 2004-04-09 | 2005-10-27 | Mitsubishi Electric Corp | Cover for motor device, and motor device |
| JP2013247826A (en) * | 2012-05-29 | 2013-12-09 | Mitsubishi Material C.M.I. Corp | Attachment structure of motor |
| CN105490440A (en) * | 2016-01-28 | 2016-04-13 | 珠海格力电器股份有限公司 | Motor wire-outgoing clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469528A (en) * | 2002-06-13 | 2004-01-21 | ��ʽ������Э���������� | Stator structure of motor |
| CN101039051A (en) * | 2006-03-14 | 2007-09-19 | 日本电产三协株式会社 | Stator structure of motor |
| CN101901661A (en) * | 2009-05-26 | 2010-12-01 | 浙江三花股份有限公司 | Electromagnetic coil device |
| JP2012120384A (en) * | 2010-12-03 | 2012-06-21 | Hitachi Automotive Systems Ltd | Driving device |
| CN104104172A (en) * | 2013-04-08 | 2014-10-15 | 日本电产三协株式会社 | Motor |
| CN103401348A (en) * | 2013-08-06 | 2013-11-20 | 常州乐士雷利电机有限公司 | Terminal connecting device, stepping motor applying same and assembling method for stepping motor |
| CN105322684A (en) * | 2014-08-01 | 2016-02-10 | 日本电产高科电机株式会社 | Motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110323878B (en) | 2021-06-25 |
| JP7072427B2 (en) | 2022-05-20 |
| JP2019180136A (en) | 2019-10-17 |
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