CN209516809U - Motor - Google Patents
Motor Download PDFInfo
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- CN209516809U CN209516809U CN201920386307.8U CN201920386307U CN209516809U CN 209516809 U CN209516809 U CN 209516809U CN 201920386307 U CN201920386307 U CN 201920386307U CN 209516809 U CN209516809 U CN 209516809U
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- terminal pins
- motor
- terminal board
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- 229920005989 resin Polymers 0.000 claims abstract description 52
- 239000011347 resin Substances 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 238000005452 bending Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 241001061264 Astragalus Species 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- -1 iron Chemical class 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
A kind of motor can shorten the size on the axis direction in the space of configuration motor.In the motor, each leisure of the multiple terminal pins (80) being held in the slot (456,458) of terminal board (45) is bent between first direction (X) linearly extended first part (83) and the second end (82) of external connection towards the side (La) in the direction axis (L), therefore, the second end leans on the side of axis direction than first part.Therefore, even if being arranged connector shell (78) on sealing resin body (70), connector shell will not be substantially prominent to the side of axis direction from the bottom surfaces (731) of sealing resin body (70).On the end face (450) of terminal board (45), central part is set as maximum space region (454), therefore, thrust bearing part (95) can be arranged in the position Chong Die with terminal board (45) using maximum space region (454).
Description
Technical field
The utility model relates to the terminals configured with holding terminal pins in a manner of the opening portion for blocking motor field frame
The motor of platform.
Background technique
The motor of air-tightness as the motor field frame for improving covering rotor and stator, proposes a kind of construction,
In the shape 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
Carried out under state it is resin molded, setting covering terminal board, cover and motor field frame side sealing resin body (referring to patent document
1)。
In the motor documented by patent document 1, multiple terminal pins on the direction intersected with extending direction with etc.
It is alternatively arranged.Slave terminal board one end outstanding (first end) connecting line astragal of terminal pins, it is outstanding another from terminal board
One end (the second end) is used to be electrically connected with external.Here, terminal pins are from terminal board linear extension to the second end,
Two ends are prominent from the wall surface of sealing resin body.By being formed in the tubular of sealing resin body around the second end part outstanding
Connector shell surround, connector shell is prominent from sealing resin body to the side opposite with output shaft.Rotor is by thrust branch
Bearing portion bearing, thrust bearing part are supported on terminal board at the position that the center of rotation axis of rotor passes through.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2005-253136 bulletin
Utility model content
Utility model technical problem to be solved
The driving of mixed airflow adjustable valve of the motor documented by patent document 1 for petrol engine etc.,
Seek to shorten the size on the axis direction in the space of configuration motor.But in the structure described in patent document 1, difficult
The size on axis direction to shorten motor.
For example, in the motor documented by patent document 1, the second ends of terminal pins is close to sealing resin body
It is prominent with the position in the face (bottom surface) of terminal board opposite side (reinfusion side).Therefore, connector shell is from sealing resin body
Bottom surface substantially protrudes, it is difficult to shorten the size on the axis direction of motor.Accordingly, it is difficult to shorten the space of configuration motor
Size on axis direction.In addition, even if in the case where not set connector shell on sealing resin body, when terminal pins
The second end when close to sealing resin body and the prominent position in the face (bottom surface) of terminal board opposite side (reinfusion side), with
The connector of the second end connection of terminal pins also can substantially be protruded from the bottom surface of sealing resin body, it is difficult to it is electronic to shorten configuration
Size on the axis direction in the space of machine.
In addition, even if want by using the end face in terminal board be formed with keep terminal pins slot construction and incite somebody to action
In the case where size on axis direction of the terminal board slimming to shorten motor, in terminal board in the axial direction with
The part of thrust bearing part overlapping, from the viewpoint of ensuring intensity, it is also desirable to thicken wall thickness.Therefore, even if in existing construction
In, the slot for keeping terminal pins is formed on the end face of terminal board, it is also difficult to shorten size on the axis direction of motor or
Configure the size on the axis direction in the space of motor.
In view of the above problems, it is the technical issues of the utility model, a kind of can shorten is provided and configures motor
The structure of size on the axis direction in space.
Technical scheme applied to solve the technical problem
In order to solve the above-mentioned technical problem, one mode of the utility model a kind of motor is provided comprising:
Rotor, the rotor have permanent magnet；Stator, the stator are opposed with the permanent magnet；Motor field frame, the motor case
Body covers the rotor and the stator, and is equipped with end plate in the end of the side of axis direction；Terminal board, the terminal board
It is configured at the other side of the axis direction of the motor field frame；Multiple terminal pins, the multiple terminal pins are with edge
The mode extended with the first direction that the axis direction intersects is supported on the terminal board, one end, that is, line of the first direction
The other end, that is, external connection the second end of the first end of astragal connection and the first direction is respectively from the end
Sub- platform is prominent；Cover, the cover are configured in a manner of covering the first end；And sealing resin body, the sealing resin body
It is arranged in a manner of covering the terminal board and the cover from the other side of the axis direction and covers the motor field frame
Side, and have for the second end wall surface outstanding, the multiple terminal pins respectively have along the first direction
Linearly extended first part, the first part the second end side end bending and to the axis direction
Second part that side extends is bent in the end of the side of the axis direction of the second part and extends to described the
The Part III of two ends.
In the present invention, since each leisure of the multiple terminal pins for being held in terminal board is along first direction linear extension
First part and external connection the second end between towards axis direction curving, therefore, the second end is located at
Than first part by the position of the side of axis direction.Therefore, when attaching a connector to the second end of terminal pins, even
Connecing device will not substantially protrude from the bottom surface of sealing resin body.In addition, even if being set in a manner of surrounding the part for being equipped with the second end
Connector shell is set, connector shell will not substantially be protruded from the bottom surface of sealing resin body.Therefore, it is electronic that configuration can be shortened
Size on the axis direction in the space of machine.
It in the present invention, can be in the following way: being equipped with and surrounded configured with described on the sealing resin body
The connector shell of the tubular of the part of multiple the second ends.According to which, connector shell will not be from sealing resin body
Bottom surface substantially protrudes.Therefore, because the size on the axis direction of motor can be shortened, so can shorten configuration motor
Space axis direction on size.
It in the present invention, can be in the following way: the other side of the axis direction of the connector shell
Face be located at than the sealing resin body the axis direction the other side bottom surface by the axis direction side position
It sets.According to which, connector shell will not be prominent from the bottom surface of sealing resin body.Therefore, because motor can be shortened
Size on axis direction, so the size on the axis direction in the space of configuration motor can be shortened.
It in the present invention, can be in the following way: there is thrust bearing part, the thrust bearing part is at described turn
The position that the center of rotation axis of son passes through is supported on the terminal board, and described in another side bearing from the axis direction
Rotor is formed with multiple slots in the end face of the other side of the axis direction of the terminal board, and the multiple slot is along described
One direction extends, and arranged in parallel in the second direction intersected with the axis direction and the first direction, the multiple
The first part, when from the axis direction, the thrust bearing are kept in each the multiple slot of leisure of terminal pins
In portion and the multiple terminal pins, the widest maximum space region in interval of adjacent terminal pins in this second direction
Overlapping.According to which, because keeping the slot of terminal pins and thrust bearing part not to be overlapped in the axial direction on terminal board,
So even if in the case where being formed with the slot for keeping terminal pins on the end face of terminal board, even if it is whole not thicken terminal board
Wall thickness can also ensure that the wall thickness of Chong Die with thrust bearing part part on terminal board.Therefore, because can be in terminal board
Slot is arranged the thickness of terminal board is thinned, so can shorten the size on the axis direction of motor in end face.Therefore, it can contract
Size on the axis direction in the space of short configuration motor.
It in the present invention, can be in the following way: in the multiple terminal pins, by the maximum space area
When terminal spacing other than the terminal spacing of two therebetween terminal pins of domain is set as P, the end of described two terminal pins
Sub- spacing is P × 2.According to which, can use connector and the second end company to be configured with multiple terminals at equal intervals
It connects, the terminal of the connector for being located at maximum space region is set as the mode of virtual terminal.
In the present invention, can be in the following way: the multiple terminal pins respectively have at described first
The end for the first end side divided is bent and to the Part IV of the side of axis direction extension and the described 4th
The end of the side of the partial axis direction is bent and extends to the Part V of the first end.According to which,
Because stress when coil line is connected to first end is not easy to be transmitted to first part, first part is not easy from terminal board
Slot abjection.
On the other hand the utility model provides a kind of motor comprising: rotor, the rotor have forever
Magnet；Stator, the stator are opposed with the permanent magnet；Motor field frame, the motor field frame cover the rotor and institute
Stator is stated, and is equipped with end plate in the end of the side of axis direction；Terminal board, the terminal board are configured at the motor case
The other side of the axis direction of body, and multiple slots are formed in the end face of the other side of the axis direction, it is the multiple
Slot is along the first direction extension intersected with the axis direction, and in the intersected with the axis direction and the first direction
It is arranged in parallel on two directions；Thrust bearing part, the thrust bearing part is in the position that the center of rotation axis of the rotor passes through
It is supported on the terminal board, and rotor described in another side bearing from the axis direction；Multiple terminal pins, the multiple end
Sub- pin is held in the respective inside of the multiple slot, one end, that is, coil line connection first end of the first direction and
The other end, that is, external connection the second end of the first direction is prominent from the terminal board respectively；Cover, the cover is to cover
The mode for covering the first end configures；And sealing resin body, the sealing resin body is with from the another of the axis direction
Side covers the terminal board and the mode of the cover is arranged and covers the side of the motor field frame, and has for described second
End wall surface outstanding, when from the axis direction, the thrust bearing part in the multiple terminal pins, described
The widest maximum space region overlapping in the interval of adjacent terminal pins in second direction.
According to which, the slot of terminal pins and thrust bearing part is kept not to be overlapped in the axial direction on terminal board,
Therefore, even if in the case where being formed with the slot for keeping terminal pins on the end face of terminal board, even if not thickening terminal board entirety
Wall thickness, can also ensure that the wall thickness of Chong Die with thrust bearing part part on terminal board.Therefore, because can be in terminal board
End face setting slot be thinned terminal board thickness, so the size on the axis direction of motor can be shortened.Therefore, can
Shorten the size on the axis direction of motor, so the size on the axis direction in the space of configuration motor can be shortened.
It, can be in the following way in the motor of the another aspect of the utility model: in the multiple terminal pins
In, when the terminal spacing other than the terminal spacing of two therebetween terminal pins of the maximum space region is set as P, institute
The terminal spacing for stating two terminal pins is P × 2.According to which, can use will equally spaced be configured with multiple terminals
Connector connect with the second end, the terminal of the connector for being located at maximum space region is set as the mode of virtual terminal.
(utility model effect)
In the present invention, the multiple terminal pins for being held in terminal board are each comfortable along first direction linearly extended the
Towards the curving of axis direction between a part and the second end of external connection, therefore, the second end is located at than the
Position of a part by the side of axis direction.Therefore, in the second end for attaching a connector to terminal pins, connector
It will not substantially be protruded from the bottom surface of sealing resin body.In addition, even if company is arranged in a manner of surrounding the part for being equipped with the second end
Device shell is connect, connector shell will not substantially be protruded from the bottom surface of sealing resin body.Therefore, configuration motor can be shortened
Size on the axis direction in space.
In addition, when from axis direction, thrust bearing part draws with multiple terminals in the another aspect of the utility model
In foot, the widest maximum space region overlapping in the interval of adjacent terminal pins in a second direction, therefore, even if in terminal board
End face be formed with keep terminal pins slot in the case where, even if not thickening the wall thickness of terminal board entirety, can also ensure that
The wall thickness of the part Chong Die with thrust bearing part on terminal board.Therefore, because slot can be arranged to be thinned in the end face of terminal board
The thickness of terminal board, so the size on the axis direction of motor can be shortened.Therefore, the axis side of motor can be shortened
Upward size, so the size on the axis direction in the space of configuration motor can be shortened.
Detailed description of the invention
Fig. 1 is the perspective view for applying the motor of the utility model.
Fig. 2 is the main view of the motor shown in FIG. 1 from terminal pins direction outstanding.
Fig. 3 is the exploded perspective view of motor shown in FIG. 1.
Fig. 4 is the cross-sectional view of motor shown in FIG. 1.
Fig. 5 is the explanatory diagram of terminal board shown in Fig. 4 etc. from the other side in the direction axis L.
Fig. 6 is the cross-sectional view for cutting off terminal board shown in Fig. 4 etc. along terminal pins.
Fig. 7 is the main view of terminal board shown in Fig. 4 etc. from the second end side of terminal pins.
Fig. 8 is explanatory diagram when changing the shape of terminal pins in motor shown in Fig. 1.
Symbol description
1 ... motor, 10 ... motor field frames, 11 ... peripheral walls, 12 ... end plates, 13 ... flange parts, 20 ... stators, 21 ...
Coil, 30 ... rotors, 31 ... rotary shafts, 32 ... permanent magnets, 39 ... output shafts, 40 ... bobbins, 45 ... terminal boards, 46 ... bearings
With hole portion, 49 ... protrusions, 60 ... covers, 70 ... sealing resin bodies, 71 ... resin portions, 72 ... main parts, 73 ... bottoms, 76 ... walls
Face, 77 ... flange surfaces, 78 ... connector shells, 80 ... terminal pins, 81 ... first ends, 82 ... the second ends, 83 ... first
Part, 84 ... Part IV, 85 ... Part V, 86 ... second parts, 87 ... Part III, 95 ... thrust bearing parts, 96 ...
Parts of bearings, 111 ... opening portions, 310 ... ends, 451,452 ... sides, 455 ... first terminal maintaining parts, 456,458 ... slots,
457 ... Second terminal maintaining parts, 730 ... bottom surfaces, 830 ... contraction flow regions, 834,845,836,867 ... bending sections, 950 ... spheres,
L ... axis, X ... first direction, Y ... second direction, the side La ..., the other side Lb ...
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 Fig. 1 from the direction outstanding of terminal pins 80
Shown in motor 1 main view.Fig. 3 is the exploded perspective view of motor 1 shown in FIG. 1.Fig. 4 is motor 1 shown in FIG. 1
Cross-sectional view.Motor 1 shown in FIG. 1 is stepping motor, such as referring to the explanation of Fig. 2, Fig. 3 and Fig. 4 progress, by electricity
Motivation shell 10, stator 20, rotor 30, bobbin 40, cover 60 and sealing resin body 70 etc. are constituted.Motor 1 is for example for vapour
The driving source etc. of the mixed airflow adjustable valve (mounting object component) of oil turbine, it is demanding airtight in the mounted state
Property.Therefore, motor 1 is configured to permissible motor.
Motor field frame 10 is formed as cup-shaped by magnetic metals such as iron, has the week extended along the direction axis L with cylindrical shape
The end plate 12 formed in a manner of the opening of wall 11 and the side La in the direction axis L to close peripheral wall 11.Motor field frame 10
Peripheral wall 11 the direction axis L other side Lb be opening portion 111, form oriented radial outside flange part outstanding in opening 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
It is formed at equal intervals to separating along the curved multiple pole teeth 25 in the direction axis L.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 by synthetic resin, by with by yoke 23,
State in 24 insertion molds carries out insert injection molding in mold and constitutes.Synthetic resin covers in addition to yoke 23,24
Part other than the inner peripheral surface of circumference 232,242 and pole tooth 25, in the part Chong Die with the annular portion 233,243 of yoke 23,24
The space for constituting convolute coil 21 each other of (flange part).The stator 20 constituted in this way is with the peripheral part of yoke 23,24
232,242 modes locally to connect with the peripheral wall 11 of motor field frame 10 configure.
In the end of the other side Lb in the direction axis L of bobbin 40, it is formed with terminal board 45, motor field frame 10
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 451 is prominent.First end 81 is the end (not shown) that the coil line for constituting coil 21 is connected with by deposition or soldering etc.
Coil line connection terminal, the cover 60 by being fixed on bobbin 40 covers.In this state, the opening of motor field frame 10
It is closed by the substantially discoid cover 453 and cover 60 for being formed in the side La in the direction axis L of terminal board 45 in portion 111.Terminal
The other end, that is, the second end 82 of pin 80 is from the external connection outstanding of the another side of the first direction X of terminal board 45 452
Terminal, for being electrically connected with external.
Positioned at the part of the side La in the direction axis L in terminal board 45, the other side Lb for forming the direction oriented axis L is recessed
Sunken bearing hole portion 46.The parts of bearings 96 of tubular, the bearing rotation of parts of bearings 96 are configured in the inside of bearing hole portion 46
The outer peripheral surface of shaft 31.In the bearing bottom of hole portion 46, the thrust bearing part 95 being made of metal sphere 950 is supported,
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.In we
In formula, when from the direction axis L, oriented axis is formed in the position (position that axis L pass through) Chong Die with hole portion 46 with bearing
The protrusion 49 outstanding the other side Lb in the direction line L.
Rotor 30 has the rotary shaft 31 extended along the direction axis L and is fixed on the outer peripheral surface of rotary shaft 31 via sleeve 34
Cylindric permanent magnet 32, in the outer peripheral surface of permanent magnet 32, alternating magnetization has the pole N and the pole S in the circumferential.The pole tooth of stator 20
25 is opposed with permanent magnet 32 in radial outside.
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 output shaft 39 for being formed with helicla flute 390 is formed in rotary shaft 31, from electronic
The part outstanding of end plate 12 of casing body 10.Therefore, spool etc. can be driven by the rotational alignment of output shaft 39.At this point,
Spool is equipped with undertake part in end plate 12 to the spring (not shown) that the side La in the direction axis L exerts a force in order to accept
98。
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 fixed to be connected to the shape of end plate 12 from the other side Lb in the direction axis L
State.
In the motor 1 constituted in this way, the opening portion 111 in the direction axis L of motor field frame 10 is by being integrally formed at
60 closing of cover 453 and cover of the terminal board 45 of bobbin 40, in this state, terminal board 45, cover 60 and motor field frame 10
The end in the direction axis L covered by sealing resin body 70.Sealing resin body 70 has covering terminal board 45 and covers 60 axis L
The bottom 73 of the other side Lb in direction and the main part 72 that terminal board 45, cover 60 and motor field frame 10 are covered from side.The bottom of at
Portion 73 is equipped with protrusion 75, which supports
It connects, carries out the positioning of motor 1.
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, even
Device insertion connector shell 78 (not shown) is connect, the electrical connection of the terminal of terminal pins 80 and connector is carried out.In this mode,
Connector is water-proof connector.
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
It is efficiently discharged to the outside by the heat that coil 21 generates 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, because
Reduce the part covered by resin, it is possible to realize path, lightweight and cost effective.
It towards the face of the side La in the direction axis L of motor field frame 10 is to be used in the main part 72 of sealing resin body 70
The flange surface 77 being mounted on mixed airflow adjustable valve.Flange surface 77 is by the planar shaped orthogonal with the axial direction of motor field frame 10
At plane by the way that motor field frame 10 to be for example inserted into the opening portion of mixed airflow adjustable valve and with the periphery of the opening portion
The mounting surface of shape is closely sealed, keeps airtight via seal members such as o-rings.
(structure of terminal pins 80 and terminal board 45 etc.)
Fig. 5 is the explanatory diagram that terminal board 45 shown in Fig. 4 is equal from the other side Lb in the direction axis L, omits output shaft
39 diagram.Fig. 6 is the cross-sectional view that terminal board 45 shown in Fig. 4 etc. has been cut off along terminal pins 80.Fig. 7 is from terminal pins
The main view of terminal board 45 shown in Fig. 4 is observed in 80 82 side of the second end, indicates to form the state before sealing resin body 70.
As shown in Figures 5 and 6, terminal pins 80 are metal square rod, and in this mode, terminal pins 80 are in for section
Quadrangle.Terminal pins 80 have from the midway portion of first direction X towards the linearly extended first part 83 of the second end 82,
82 side of the second end of first part 83 end bending and towards the side La in the direction axis L extend second part 86 with
And the end of the side La from the direction axis L of second part 86 extends to the Part III 87 of the second end 82.
In addition, terminal pins 80 have the end bending in 81 side of first end of first part 83 and towards the axis sides L
To the Part IV 84 that extends of side La and the end of side La in the direction axis L from Part IV 84 extend to first end
The Part V 85 in portion 81.
Therefore, terminal pins 80 than first part 83 by 82 side of the second end position have two at bending section 836,
867, there is bending section 834,845 at two by the position of 81 side of first end than first part 83.It is formed in first part 83
There is the variant part 830 for the fineness degree for locally reducing terminal pins 80, variant part 830 is also in quadrangle for section.
Corresponding to the structure of the terminal pins 80, on terminal board 45, oriented axis is formed in the center portion that axis L is passed through
The prominent first terminal maintaining part 455 to keep the first part 83 of terminal pins 80 of the other side Lb in the direction line L, terminal board 45
Side 451 by the side where being located at first end 81 on the X in a first direction of first terminal maintaining part 455 side structure
At.In addition, on terminal board 45, in the position separated relative to first terminal maintaining part 455 of the side where the second end 82,
The prominent Second terminal maintaining part 457 to keep first part 83 of other side Lb in the direction oriented axis L is formed, terminal board 45
Side 452 is made of the side of the side where being located at the second end 82 on the X in a first direction of Second terminal maintaining part 457.
First terminal maintaining part 455 is formed on X in a first direction throughout wide range, and on the other hand, Second terminal maintaining part 457 is edge
The projecting strip part that second direction Y extends.It is to the direction axis L between first terminal maintaining part 455 and Second terminal maintaining part 457
The recess portion 459 of side La recess.
In the end face 450 of the other side Lb in the direction axis L of first terminal maintaining part 455, extend along first direction X and
Y is arranged in parallel in a second direction for multiple slots 456 of the first part 83 of inside holding terminal pins 80.In Second terminal maintaining part
On the face of the other side Lb in 457 direction axis L, on the extended line of slot 456, kept for first of terminal pins 80 in inside
Y is arranged in parallel in a second direction for points 83 multiple slots 458.
In this mode, slot 456 extends to side 451, and Part IV 84 is maintained at the slot 456 for being formed in side 451
It is interior.In addition, slot 458 extends to side 452, second part 86 is maintained in the slot 458 for being formed in side 452.
Here, the center (position that axis L is passed through) in terminal board 45 is formed with thrust bearing part 95, therefore, slot 456 and
Terminal pins 80 are configured in a manner of avoiding thrust bearing part 95.That is, when from the direction axis L, thrust bearing part 95 with
In multiple terminal pins 80, widest 454 weight of maximum space region in the interval of terminal pins 80 adjacent on second direction Y
It is folded.In this mode, slot 456,458 and terminal pins 80 arrange on second direction Y configured with 4, but the second He of second direction Y
First and second slots 456,458 and terminal pins of the interval of third slot 456,458 and terminal pins 80 than second direction Y
The interval of 80 interval and third and fourth slot 456,458 of second direction Y and terminal pins 80 is wide.Therefore, thrust branch
Bearing portion 95 is formed between the second of second direction Y and third slot 456 and terminal pins 80 (maximum space region 454).
In this mode, as shown in Fig. 2 and Fig. 7, in terminal pins 80, first 801 and of terminal pins of second direction Y
Between the spacing of second terminal pins 802 and the third terminal pins 803 and the 4th terminal pins 804 of second direction Y
Away from for P, in contrast, being located at second terminal pins 802 and third of the second direction Y of the two sides in maximum space region 454
The spacing of a terminal pins 803 is P × 2.That is, formed from by five terminal pins 80 in a second direction Y equidistantly to configure
The construction of third terminal pins is omitted in mode.Therefore, it can use the connector (not shown) and second end of 5 terminals
The connection of portion 82 and the mode that the terminal in the center of connector is set as to virtual terminal.
(structure of cover 60)
In Fig. 3, Fig. 4 and Fig. 5, cover 60 is synthetic resin, has the opposed portion opposed with the side 451 of terminal board 45
61, from the side La protruding portion 62 outstanding in end to the direction axis L of the side La in the direction axis L of opposed portion 61, from right
The end of the other side Lb in the direction axis L in portion 61 is set towards the plate portion 63 outstanding of terminal board 45.Opposed portion 61 and protruding portion 62
Circular arc is bent in a manner of the flange part 13 along motor field frame 10.It is leaned in addition, protruding portion 62 is located at than opposed portion 61
The position of radial inside.Therefore, stage portion 67 is formed between protruding portion 62 and opposed portion 61.Second party in plate portion 63
To the both ends of Y, it is formed with towards the two sides of the second direction Y of terminal board 45 wall thickness 65 outstanding.At the end of protruding portion 62
Portion is formed with towards the two sides of the second direction Y of terminal board 45 plate portion 64 outstanding.
It therefore, will 60 indentation end of cover in a manner of entering the inside of opening portion 111 of motor field frame 10 by protruding portion 62
When sub- 45 side of platform, formed terminal board 45 first terminal maintaining part 455 in the Y direction quilt cover 60 wall thickness 65 clamp shape
State.In addition, terminal board 45, which becomes, is formed with the state that the part of cover 453 is clamped by plate portion 64 in the X direction.In addition, electronic
The flange part 13 of casing body 10 is abutted with the stage portion 67 of cover 60, and protruding portion 62 is along the peripheral wall 11 of motor field frame 10
The mode of inner surface configure.In this way, cover 60 is positioned on motor field frame 10 and terminal board 45.
In opposed portion 61 on the wall surface opposed with side 451, it is formed with the first end 81 for four terminal pins 80
The recess portion 611 respectively entered, first end 81 are not abutted with cover 60.Cover 60 by end face between plate portion 64 and wall thickness 65 with
Side 451 abuts and is positioned.
In addition, cover 60 plate portion 63 from the direction axis L other side Lb it is Chong Die with terminal board 45, and with terminal pins 80
A part (than the part that contraction flow region 830 leans on 81 side of first end) overlapping of first part 83.In this state, terminal pins 80
Other parts (contraction flow region 830 of first part 83 equal where part) form the state exposed from cover 60.Therefore, it is being arranged
When sealing resin body 70, the part in terminal pins 80, in addition to part and the second end 82 that quilt cover 60 covers is set by sealing
Rouge body 70 covers.At this point, in the recess portion 459 being formed between first terminal maintaining part 455 and Second terminal maintaining part 457, directly
It is covered to the side of terminal pins 80 by sealing resin body 70.
(main effect of the method)
As mentioned above, in the motor of the method 1, it is held in each leisure of multiple terminal pins 80 of terminal board 45
Towards the direction axis L between the first part 83 that first direction X is extended straight and the second end 82 of external connection
Side La bending, therefore, the second end 82 is than first part 83 by the position of the side La in the direction axis L.Therefore, it will connect
When device is connected to the second end 82 of terminal pins 80, connector will not be from the bottom surface of sealing resin body 70 731 to the direction axis L
Side La substantially protrude, so can shorten configuration motor 1 space the direction axis L on size.In addition, even if with
Connector shell 78 is arranged in the mode for surrounding the part equipped with the second end 82, and connector shell 78 will not be from sealing resin body
70 bottom surface 731 is substantially prominent to the side La in the direction axis L.Therefore, the ruler on the direction axis L of motor 1 can be shortened
It is very little, so the size on the axis direction in the space of configuration motor 1 can be shortened.
In particular, in this mode, connector shell 78 is located at the bottom surface 731 than sealing resin body 70 by the direction axis L
Side La position, connector shell 78 is prominent from the bottom surface of sealing resin body 70 731.Therefore, motor 1 can be shortened
The direction axis L on size, so can shorten configuration motor 1 space axis direction on size.
In addition, the slot 456,458 for keeping terminal pins 80 is arranged in the end face of terminal board 45 450, it is thinned terminal board 45
Thickness, shorten the size on the direction axis L of motor 1 as a result,.
In addition, central part to be set as to the maximum space region clipped by terminal pins 80 on the end face of terminal board 45 450
454, therefore, thrust bearing part 95 can be appropriately set in the position Chong Die with terminal board 45 using maximum space region 454.
Therefore, it in terminal board 45, even if heavy wall is not integrally formed in terminal board 45, can also ensure that Chong Die with thrust bearing part 95
Partial wall thickness.In addition, in multiple terminal pins 80, by two therebetween terminal pins 80 of maximum space region 454
Terminal spacing other than terminal spacing when being set as P, by the end of two therebetween terminal pins 80 of maximum space region 454
Sub- spacing is set as P × 2.Therefore, can using by equally spaced be configured with multiple terminals connector connect with the second end 82,
The terminal for being located at the connector in maximum space region 454 is set as to the mode of virtual terminal.
In addition, being held in 80 first linearly extended along first direction X of each leisure of multiple terminal pins of terminal board 45
The side La between 83 and the first end 81 of coil line connection towards the direction axis L is divided to be bent.Therefore, in first end 81
Stress when connecting line astragal is not easy to be transmitted to first part 83, therefore, first part 83 be not easy the slot 456 from terminal board 45,
458 abjections.
(another embodiment)
Fig. 8 is explanatory diagram when changing the shape of terminal pins in motor shown in Fig. 1.In above embodiment
In, 81 side of first end of terminal pins 80 is bent in the same manner as 82 side of the second end to the side La in the direction axis L, but as schemed
Shown in 8, the case where also the present invention can be applied to 81 sides of first end from 83 linear extension of first part.
(other embodiment)
In the above-described embodiment, it is equipped with bending section in 81 side of first end and 82 side both sides of the second end, but in terminal
The structure of the position setting thrust bearing part 95 Chong Die with maximum space region 454 of pin 80 also can be applied to the second end
Between 82 and first part 83 the case where linear extension or the case where the whole linear extension of terminal pins 80.In addition, in above-mentioned reality
It applies in mode, motor 1 is stepping motor, but can also be using the present invention for the motor of other types.In above-mentioned reality
It applies in mode, terminal pins 80 are square rod shape, but terminal pins 80 are also possible to square rod shape or plate.In above embodiment
In, on terminal board 45, it is equipped with protrusion 49 in the part Chong Die with thrust bearing part 95, but in the case where not set protrusion 49
It can also be using the present invention.In addition, can also be using the present invention in the case where protrusion 75 not set on sealing resin body 70.
Claims (8)
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
Equipped with end plate；
Terminal board, the terminal board are configured at the other side of the axis direction of the motor field frame；
Multiple terminal pins, the multiple terminal pins branch in a manner of extending along the first direction intersected with the axis direction
Hold in the terminal board, one end, that is, coil line connection first end of the first direction and the first direction it is another
End is that the second end of external connection is prominent from the terminal board respectively；
Cover, the cover are configured in a manner of covering the first end；
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 multiple terminal pins are respectively included along the linearly extended first part of the first direction；In the first part
The second end side end bending and to the side of the axis direction extend second part；And described second
The end of the side of the partial axis direction is bent and extends to the Part III of the second end.
2. motor according to claim 1, which is characterized in that
It is equipped with the connector shell of tubular on the sealing resin body, the connector shell is surrounded configured with multiple described the
The part of two ends.
3. motor according to claim 2, which is characterized in that
The axis direction of the face of the other side of the axis direction of the connector shell than the sealing resin body
The side of the axis direction is leaned in the bottom surface of the other side.
4. motor according to claim 1, which is characterized in that
The multiple terminal pins respectively include the end bending in the first end side of the first part and to described
The Part IV that the side of axis direction extends；And it is bent in the end of the side of the axis direction of the Part IV
And extend to the Part V of the first end.
5. motor according to any one of claims 1 to 4, which is characterized in that
With thrust bearing part, the thrust bearing part is supported on described in the position that the center of rotation axis of the rotor passes through
Terminal board, and rotor described in another side bearing from the axis direction,
Multiple slots are formed in the end face of the other side of the axis direction of the terminal board, the multiple slot is along described first
Direction extends, and arranged in parallel in the second direction intersected with the axis direction and the first direction,
The first part is kept in the multiple each the multiple slot of leisure of terminal pins,
When from the axis direction, in the thrust bearing part and the multiple terminal pins, in this second direction
The widest maximum space region overlapping in the interval of adjacent terminal pins.
6. motor according to claim 5, which is characterized in that
In the multiple terminal pins, by the terminal spacing of two therebetween terminal pins of the maximum space region with
When outer terminal spacing is set as P, the terminal spacing of described two terminal pins is P × 2.
7. 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
Equipped with end plate；
Terminal board, the terminal board are configured at the other side of the axis direction of the motor field frame, and in the axis
The end face of the other side in direction is formed with multiple slots, and the multiple slot extends along the first direction intersected with the axis direction,
And it is arranged in parallel in the second direction intersected with the axis direction and the first direction,
Thrust bearing part, the thrust bearing part are supported on the terminal in the position that the center of rotation axis of the rotor passes through
Platform, and rotor described in another side bearing from the axis direction；
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 first direction the other end, that is, external connection the second end respectively from
The terminal board is prominent；
Cover, the cover are configured in a manner of covering the first end；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,
When from the axis direction, in the thrust bearing part and the multiple terminal pins, in this second direction
The widest maximum space region overlapping in the interval of adjacent terminal pins.
8. motor according to claim 7, which is characterized in that
In the multiple terminal pins, by the terminal spacing of two therebetween terminal pins of the maximum space region with
When outer terminal spacing is set as P, the terminal spacing of described two terminal pins is P × 2.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-067954 | 2018-03-30 | ||
| JP2018067954A JP2019180134A (en) | 2018-03-30 | 2018-03-30 | motor |
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| Publication Number | Publication Date |
|---|---|
| CN209516809U true CN209516809U (en) | 2019-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920386307.8U Active CN209516809U (en) | 2018-03-30 | 2019-03-25 | Motor |
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| JP (1) | JP2019180134A (en) |
| CN (1) | CN209516809U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210305877A1 (en) * | 2018-05-29 | 2021-09-30 | Minebea Mitsumi Inc. | Rotating device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005253138A (en) * | 2004-03-01 | 2005-09-15 | Mitsubishi Material Cmi Kk | Motor |
| JP2006129551A (en) * | 2004-10-26 | 2006-05-18 | Mitsubishi Material Cmi Kk | Motor |
| JP2013247826A (en) * | 2012-05-29 | 2013-12-09 | Mitsubishi Material C.M.I. Corp | Attachment structure of motor |
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2018
- 2018-03-30 JP JP2018067954A patent/JP2019180134A/en active Pending
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| JP2019180134A (en) | 2019-10-17 |
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