WO2010110112A1 - 減速機構付モータ - Google Patents
減速機構付モータ Download PDFInfo
- Publication number
- WO2010110112A1 WO2010110112A1 PCT/JP2010/054352 JP2010054352W WO2010110112A1 WO 2010110112 A1 WO2010110112 A1 WO 2010110112A1 JP 2010054352 W JP2010054352 W JP 2010054352W WO 2010110112 A1 WO2010110112 A1 WO 2010110112A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- motor
- power supply
- speed reduction
- reduction mechanism
- terminal
- Prior art date
Links
- 238000004891 communication Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
Classifications
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- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
- E05F15/697—Motor units therefor, e.g. geared motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/38—Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
- E05Y2900/55—Windows
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6271—Latching means integral with the housing
Definitions
- the present invention relates to a motor with a speed reduction mechanism having a speed reduction mechanism that decelerates and outputs the rotation of a rotary shaft, and a control unit that controls the rotation of the rotary shaft.
- a motor with a speed reduction mechanism capable of obtaining a large output while being small is used.
- the motor with a speed reduction mechanism is rotationally driven by operating an operation switch provided in the passenger compartment or the like by an operator, and thereby opens and closes the window glass.
- a motor with a speed reduction mechanism used in a power window device is required to be downsized because it is mounted in a narrow space such as in a vehicle door, thereby improving layout regardless of whether it is a large vehicle or a small vehicle. be able to.
- the motor with a speed reduction mechanism described in Patent Document 1 includes a motor case (yoke) and a gear case, and further holds a control board (control unit) that controls rotation of a motor shaft (rotary shaft) provided in the motor case.
- a substrate case is provided.
- the board case is provided with a connector opening (connector connection part), and a vehicle-side connector is inserted into the connector opening.
- One end side (terminal) of a plurality of conductive members is disposed in the connector opening, and the plurality of conductive members include a power terminal (power supply conductive member) and a ground terminal (ground conductive member) larger than the other conductive members. )It is included.
- the power supply terminal and the ground terminal are arranged close to each other so as to be aligned in the short direction in the connector opening, and the short of the connector opening. It has been necessary to set the direction dimension to be large to some extent. In other words, by setting the short dimension of the connector opening to a certain extent, a sufficient air gap is secured between the power supply terminal and the ground terminal (insulation is ensured). Stable operation over a wide range can be guaranteed. Therefore, in the motor with a speed reduction mechanism described in Patent Document 1, there may arise a problem that the size of the connector opening part hinders the miniaturization of the motor with the speed reduction mechanism.
- An object of the present invention is to provide a motor with a speed reduction mechanism that can reduce the size of a connector connecting portion while ensuring a sufficient air gap between a power supply terminal and a ground terminal.
- a motor with a speed reduction mechanism is a motor with a speed reduction mechanism having a speed reduction mechanism that decelerates and outputs the rotation of a rotation shaft, and a control unit that controls the rotation of the rotation shaft, the motor case, and the motor
- An armature shaft provided in the case and forming the rotation shaft; a gear case mounted on the motor case; a worm shaft provided in the gear case and connected to the armature shaft to form the rotation shaft;
- Connector member a connector connecting portion provided in the connector member and having a rectangular cross section, and an insert in the connector member
- eight conductive members whose one end side is disposed in the connector connecting portion and the other end side is electrically connected to the control portion, and two of the conductive members are used as power supply conductive members.
- the other six are used as control conductive members, one end side of each power supply conductive member is disposed on each longitudinal end side of the connector connecting portion, and one end side of each control conductive member is used for each power supply.
- the conductive member is arranged so that there are three rows in the longitudinal direction and two rows in the short direction of the connector connecting portion.
- the motor with a speed reduction mechanism of the present invention is a motor with a speed reduction mechanism having a speed reduction mechanism that outputs the rotation of the rotation shaft by decelerating and a control unit that controls the rotation of the rotation shaft.
- a motor case provided inside, a gear case attached to the motor case and having the other end of the rotating shaft provided therein; a worm provided on the other end of the rotating shaft and forming the speed reduction mechanism;
- a worm wheel that is provided in a gear case and meshes with the worm to form the speed reduction mechanism, a connector member that is attached to the gear case and holds the control unit, and is provided in the connector member, and has a rectangular cross section.
- a connector connecting portion inserted into the connector member, one end side is disposed in the connector connecting portion, and the other end side is electrically connected to the control portion.
- 8 conductive members two of the conductive members are power supply conductive members and the other six are control conductive members, and one end of each power supply conductive member is connected to the connector. It arrange
- each of the power supply conductive members is formed in a flat plate shape, and each of the control conductive members is formed in a needle shape, and one end side of each of the power supply conductive members is used for each power supply. It arrange
- the motor with a speed reduction mechanism of the present invention is a power window motor mounted on a vehicle, and one end side of each power supply conductive member is a power supply terminal and a ground terminal, respectively, and each control conductive member is One end of each of the terminals is a window automatic opening / closing terminal, a window raising terminal, a window lowering terminal, an ignition detection terminal, a serial communication terminal, and an empty terminal.
- two of the conductive members are used as power supply conductive members and the other six are used as control conductive members, and one end side of each power supply conductive member is located at both ends in the longitudinal direction of the connector connecting portion.
- Each of the control conductive members is arranged so that there are three rows in the longitudinal direction of the connector connecting portion and two rows in the short direction between the respective conductive member for power supply. The one end side of can be separated. Therefore, it is possible to reduce the size of the connector connecting portion while securing a sufficient air gap between the one end sides of the power supply conductive members. Therefore, it is possible to further reduce the size of the motor with a speed reduction mechanism.
- each power supply conductive member is formed in a flat plate shape and each control conductive member is formed in a needle shape, and one end side of each power supply conductive member is connected to the longitudinal direction of each power supply conductive member and the connector. Since it arrange
- the motor with a speed reduction mechanism is a power window motor mounted on a vehicle, wherein one end side of each power supply conductive member is a power supply terminal and a ground terminal, respectively, and one end side of each control conductive member is a window.
- Automatic opening / closing terminal, window raising terminal, window lowering terminal, ignition detection terminal, serial communication terminal and empty terminal so that the power window device can be downsized while ensuring the functions required for the power window device. Can be planned.
- FIG. 1 is a partial cross-sectional view of the power window motor according to the first embodiment
- FIG. 2 is a view of the power window motor of FIG. 1 viewed from the direction of arrow A
- FIG. 3 is a perspective view showing the inside of the connector member. 4 is an enlarged view of a broken-line circle B portion of FIG. 3
- FIG. 5 is a view of the connector member of FIG. 3 viewed from the direction of arrow C
- FIG. 6 is an explanatory view for explaining the assembly procedure of the power window motor. Represents.
- a power window motor 10 as a motor with a speed reduction mechanism is used as a drive source of a power window device (not shown) mounted on a vehicle such as an automobile.
- the power window motor 10 drives a window regulator (not shown), thereby raising and lowering a window glass (not shown) provided on a vehicle door or the like. Since the power window motor 10 is installed in a narrow space (not shown) formed in the door of the vehicle, the power window motor 10 is formed in a thin shape with a reduced thickness D.
- the power window motor 10 includes a motor unit 20 and a gear unit 40, and the motor unit 20 and the gear unit 40 are integrated (unitized) by three fastening screws 11.
- the motor unit 20 includes a yoke (motor case) 21 formed in a bottomed shape so as to have an opening 21a by pressing (deep drawing) a steel plate made of a magnetic material.
- the outer shape of the yoke 21 is formed by a pair of arc-shaped surfaces 22 and a pair of flat surfaces 23 connecting the respective arc-shaped surfaces 22, and the cross-sectional shape of the yoke 21 is a substantially oval shape.
- a pair of magnets 24 are arranged opposite to each other inside the yoke 21 corresponding to the pair of arcuate surfaces 22, and an armature 25 around which a coil (not shown) is wound is provided inside each magnet 24. Yes.
- the amateur 25 is rotatable inside the yoke 21.
- the bottom side (the left side in FIG. 1) of the yoke 21 is formed in a stepped shape, and the bottomed cylinder part 21b having a smaller diameter than the main body part of the yoke 21 is provided in the part.
- a first radial bearing 26 is press-fitted to the bottomed cylindrical portion 21b, and the first radial bearing 26 rotatably supports one end side (left side in FIG. 1) of the armature shaft 27.
- the bottomed tube portion 21 b is further provided with a first thrust bearing 28, and a first steel ball 29 is disposed between the first thrust bearing 28 and the armature shaft 27.
- the bottomed cylindrical portion 21 b rotatably supports one end side of the armature shaft 27 via the first radial bearing 26, the first thrust bearing 28, and the first steel ball 29.
- the armature shaft 27 as a rotation shaft is penetrated and fixed at the rotation center of the armature 25, and the armature shaft 27 is provided in the yoke 21.
- a commutator 30 is provided in the vicinity of the armature 25 on the other end side (right side in FIG. 1) of the amateur shaft 27, and an end of a coil wound around the armature 25 is electrically connected to the commutator 30.
- a pair of brushes 32 held by a brush holder 31 are in sliding contact with the outer periphery of the commutator 30, and each brush 32 is pressed against the commutator 30 by a predetermined pressure by a spring member 33.
- a rotational force (electromagnetic force) is generated in the armature 25, and the armature shaft 27 has a predetermined rotational speed and a predetermined rotational torque. It is designed to rotate.
- the brush holder 31 is formed in a substantially oval shape following the inner shape of the opening 21a of the yoke 21, and is press-fitted and fixed so that the whole enters the opening 21a.
- the brush holder 31 includes a second radial bearing 34 in addition to each brush 32 and each spring member 33, and the second radial bearing 34 is fixed to a substantially central portion of the brush holder 31.
- the second radial bearing 34 rotatably supports the other end side of the armature shaft 27.
- the first radial bearing 26, the first thrust bearing 28 and the first steel ball 29 are provided on one end side of the armature shaft 27, and the second radial bearing 34 is provided on the other end side of the armature shaft 27.
- the armature shaft 27, that is, the armature 25, can rotate smoothly without generating any rotational resistance.
- the gear unit 40 includes a gear case 50 and a connector member 70 attached to the gear case 50.
- the gear case 50 is formed in a bottomed shape by injection molding a resin material such as plastic, and is attached to the opening 21 a of the yoke 21.
- a worm wheel 51 is provided with a worm shaft 51 as a rotating shaft integrally formed with a worm 51a (not shown in detail) on the outer periphery, and gear teeth (not shown) meshed with the worm 51a. 52 is rotatably accommodated.
- the worm shaft 51 is provided coaxially with the armature shaft 27, and one end side of the worm shaft 51 and the other end side of the armature shaft 27 are connected by a connecting member 53 so as to be integrally rotatable.
- the connecting member 53 is provided with an elastic member (not shown) such as rubber, and the elastic member is elastically deformed when the worm shaft 51 and the armature shaft 27 are connected. Axial misalignment (dimensional error, etc.) is absorbed.
- An annular sensor magnet 54 is attached to the outer peripheral side of the connecting member 53, and a Hall IC 55 is disposed opposite to the sensor magnet 54.
- the sensor magnet 54 and the Hall IC 55 form a rotation sensor that detects the rotation speed and the like (rotation state) of the rotation shaft (the armature shaft 27 and the worm shaft 51).
- the both end sides of the worm shaft 51 in the worm 51a in the axial direction are rotatably supported by a third radial bearing 56 and a fourth radial bearing 57 provided in the gear case 50, respectively.
- a second thrust bearing 58 provided on the bottom 50 a of the gear case 50 is disposed on the other end side of the worm shaft 51, and the second thrust bearing 58 and the worm shaft 51 are provided with a second thrust bearing 58 between the second thrust bearing 58 and the worm shaft 51.
- a steel ball 59 is provided.
- the third radial bearing 56, the fourth radial bearing 57, the second thrust bearing 58 and the second steel ball 59 are for rotating the worm shaft 51 smoothly.
- the bottom 50a rotatably supports the other end of the worm shaft 51 via the fourth radial bearing 57, the second thrust bearing 58, and the second steel ball 59.
- a filling hole 50b is provided on the bottom 50a side of the gear case 50, and the filling hole 50b is filled with a resin material 60 for adjusting the position of the second thrust bearing 58 in the axial direction. That is, after the power window motor 10 is assembled, the worm shaft 51 and the armature shaft 27 are moved in the axial direction via the second thrust bearing 58 by filling the molten resin material 60 into the filling hole 50b with a predetermined pressure. Thus, backlash in the axial direction of the worm shaft 51 and the armature shaft 27 is eliminated. Here, the melted resin material 60 is cured by being left for a predetermined time with a predetermined pressure applied.
- the method of eliminating the backlash in the axial direction of the worm shaft 51 and the armature shaft 27 is not limited to the method using the resin material 60, and an adjustment screw (not shown) that is screwed to the bottom 50a of the gear case 50 is provided and adjusted. By adjusting the screwing amount of the screw into the gear case 50, the worm shaft 51 and the armature shaft 27 can be moved in the axial direction.
- the gear case 50 is provided with a support shaft (not shown) that rotatably supports the worm wheel 52, and the worm wheel 52 is rotatably provided in the gear case 50.
- a pinion 61 as an output shaft is provided at the rotation center of the worm wheel 52 so as to be integrally rotatable, and a gear (not shown) forming a window regulator is engaged with the pinion 61.
- the pinion 61 is rotatably supported by the support shaft of the gear case 50.
- the rotation of the armature shaft 27 and the worm shaft 51 is decelerated by the worm 51a and the worm wheel 52, and this decelerated and increased torque is transmitted from the pinion 61 to the gear of the window regulator.
- the worm 51a and the worm wheel 52 constitute a speed reduction mechanism in the present invention.
- each engagement protrusion 62a, 62b, 62c On the front and back sides of the gear case 50 in FIG. 1, there are provided three engagement protrusions 62a, 62b, 62c on which the respective engagement claws 71a, 71b, 71c of the connector member 70 ride and engage (front side in the drawing). Only). In the vicinity of each engagement protrusion 62a, 62b, 62c, it opens toward the upper side in FIG. 1, and guides the engagement of each engagement claw 71a, 71b, 71c to each engagement protrusion 62a, 62b, 62c. Guide convex portions 63a, 63b, and 63c are provided. Further, on the left and right sides of the gear case 50 in FIG. 1, one engagement protrusion 62 d is provided, on which each engagement claw 71 d of the connector member 70 rides and engages.
- the connector member 70 is injection-molded in a bottomed shape with a resin material such as plastic, and includes a main body portion 71 and a connector connection portion 72.
- the connector member 70 is attached to the side portion of the gear case 50 from the radially outer side of the worm wheel 52.
- the opening side (upper side in the figure) of the main body 71 is formed in a substantially rectangular shape, and three engagement claws 71a, 71b, 71c are respectively opposed to and integrated with a pair of long side portions on the opening side of the main body 71. Is provided.
- the length dimension (protrusion dimension) from the long side portion of each engaging claw 71a, 71b, 71c is set so as to gradually shorten from the connector connecting portion 72 side (left side in the figure) to the opposite side.
- the engagement claw 71a on the connection portion 72 side has the longest dimension
- the engagement claw 71c on the side opposite to the connector connection portion 72 side has the shortest dimension.
- one engagement claw 71d is provided integrally with the pair of short sides on the opening side of the main body 71 so as to face each other.
- the length dimension (projection dimension) from the short side portion of each engagement claw 71d is substantially the same length dimension as each engagement claw 71c.
- the main body 71 is configured to hold a control board (control unit) 73 (see FIG. 6) that controls the rotation of the rotation shaft (the armature shaft 27 and the worm shaft 51) of the power window motor 10.
- the main body 71 is provided with a pair of substrate support protrusions 71e that fit into a pair of positioning holes 73a provided in the control substrate 73, and a pair of substrate support surface portions 71f that support the control substrate 73 on the surface.
- the control board 73 can be held at a predetermined position of the connector member 70 by supporting the control board 73 on each board support protrusion 71e and each board support surface portion 71f.
- a plurality of through holes 73b are formed in the control board 73, and electronic components other than the Hall IC 55, such as a CPU and a switching element (not shown), are mounted.
- a connector connecting portion 72 protrudes and is integrally provided on one side portion (left side in the figure) of the main body portion 71.
- the connector connecting portion 72 has a substantially rectangular cross section and is hollow inside.
- a vehicle-side connector (not shown) is attached to the connector connecting portion 72.
- four guide projections 72 a extending along the protruding direction of the connector connection portion 72 are integrally provided on the outer peripheral portion of the connector connection portion 72, and each guide projection 72 a is a vehicle-side connector. It is designed to guide the insertion straight.
- Each guide protrusion 72 a is formed asymmetrically in the short direction (vertical direction in the drawing) of the cross section of the connector connecting portion 72.
- a locking projection 72b is integrally provided on the outer peripheral portion of the connector connecting portion 72, and the locking projection 72b is engaged with a locking claw (not shown) of the vehicle-side connector, thereby This is to prevent the connector connecting portion 72 from coming off.
- the connector member 70 includes two power supply conductive members 74a and 74b formed in a flat plate shape from a metal material such as brass having excellent conductivity, and each power supply conductive material.
- Each of the power supply conductive members 74a and 74b and each of the control conductive members 75a, 75b, 75c, 75d, 75e, and 75f are inserted into the connector member 70 while being bent into a substantially L shape, One end side thereof is disposed inside the connector connecting portion 72, and the other end side is electrically connected to the control board 73.
- the first end portions 78a1 and 78b1 of the motor conductive members 78a and 78b are electrically connected to the brushes 32 of the brush holder 31 via conductors (not shown), respectively, and each motor conductive member 78a. 78b, second end portions 78a2 and 78b2 are electrically connected to the control board 73.
- Reference numeral 79 denotes an element connecting conductive member.
- the element connecting conductive member 79 is a terminal for electrically connecting a circuit element (not shown) such as a capacitor to the control board 73.
- one end of the power supply conductive member 74a is a power supply terminal 76a, and the power supply terminal 76a is electrically connected to a power supply terminal (12V, 24V, etc.) of the vehicle side connector.
- One end of the power supply conductive member 74b serves as a ground terminal 76b, and the ground terminal 76b is electrically connected to the ground terminal (GND) of the vehicle-side connector.
- One end side of each control conductive member 75a, 75b, 75c, 75d, 75e, 75f is a window automatic opening / closing terminal (AUTO) 77a, a window raising terminal (UP) 77b, and a window lowering terminal (DOWN), respectively.
- AUTO window automatic opening / closing terminal
- UP window raising terminal
- DOWN window lowering terminal
- Each of the control terminals 77a, 77b, 77c, 77d, 77e, 77f is electrically connected to each of the control terminals provided corresponding to the vehicle side connector.
- the power supply terminal 76a and the ground terminal 76b are arranged on both ends in the longitudinal direction of the connector connection portion 72 so that the longitudinal direction of the power supply terminal 76a and the ground terminal 76b is parallel to the longitudinal direction of the connector connection portion 72. .
- the distance L between the power terminal 76a and the ground terminal 76b is set to be approximately the same as the dimension (thickness dimension h) in the short direction of the connector connecting portion 72, and there is a sufficiently large air gap between the two. Is formed.
- the thickness dimension of the power supply terminal 76a and the ground terminal 76b is set to 0.64 mm, and the width dimension is set to 2.30 mm.
- the control terminals 77a, 77b, 77c, 77d, 77e, and 77f are arranged between the power supply terminal 76a and the ground terminal 76b, and are arranged in three rows at equal intervals along the longitudinal direction of the connector connecting portion 72. And they are arranged in two rows at equal intervals along the short direction of the connector connecting portion 72.
- the control terminals 77a, 77b, 77c, 77d, 77e, and 77f have a thickness dimension and a width dimension set to 0.64 mm, respectively, and have a square cross-sectional shape.
- each of the control terminals 77a, 77b, 77c, 77d, 77e, and 77f formed in a needle shape is not limited to a square, but may be a triangle, a pentagon or more polygon, or a circle. .
- the power terminal 76a, the ground terminal 76b, and the control terminals 77a, 77b, 77c, 77d, 77e, and 77f are arranged in the connector connecting portion 72, so that the connector connecting portion 72 is short-sided.
- the connector connection portion 72 is downsized by reducing the size (thickness size h).
- a minimum number (six) of control terminals 77a, 77b, 77c, 77d, 77e, and 77f for obtaining functions necessary for the power window device are arranged in the connector connecting portion 72.
- the dimension (width dimension d) in the longitudinal direction of the connector connecting portion 72 is made smaller than the thickness dimension D of the power window motor 10, and the height dimension H of the power window motor 10 (FIGS. 1 and 2). See).
- control terminals 77a, 77b, 77c, 77d, 77e, 77f are arranged in two rows along the short direction of the connector connecting portion 72, and the control terminals 77a, 77b, 77c, 77e, 77f are arranged.
- a relatively large gap S is formed on each of the upper and lower sides in FIG.
- each power supply conductive member 74a, 74b, each control conductive member 75a, 75b, 75c, 75d, 75e, 75f, and A connector member 70 in which the motor conductive members 78a and 78b are inserted is prepared. Further, a motor assembly (see FIG. 1) in which the motor unit 20 and the gear unit 40 are assembled is prepared.
- the control board 73 faces the opening side of the connector member 70, and the board support protrusions 71e are fitted in the positioning holes 73a of the control board 73, respectively.
- the substrate 73 is placed on the substrate support surface portion 71f.
- the other end side of each power supply conductive member 74a, 74b, the other end side of each control conductive member 75a, 75b, 75c, 75d, 75e, 75f and the second end of each motor conductive member 78a, 78b. 78a2 and 78b2 are inserted into the corresponding through holes 73b of the control board 73.
- each power supply conductive member 74a, 74b, the other end side of each control conductive member 75a, 75b, 75c, 75d, 75e, 75f and the second end 78a2 of each motor conductive member 78a, 78b. , 78b2 are electrically connected to printed wiring (not shown) of the control board 73 by soldering or the like. Thereby, the mounting operation of the control board 73 to the connector member 70 is completed.
- the connector member 70 on which the control board 73 is mounted is faced to the side of the gear case 50 so that the connector member 70 is gradually brought closer to the gear case 50.
- the engaging projections 62a are guided while the engaging claws 71a, 71b, 71c are guided by the guiding convex portions 63a, 63b, 63c in the order shown by the broken arrows (2), (3), (4) in the figure. , 62b, 62c (see FIG. 1) and spread outward.
- the engaging claws 71a, 71b, 71c are engaged with the engaging protrusions 62a, 62b, 62c, whereby the mounting of the connector member 70 to the gear case 50 is completed.
- each engagement claw 71d is engaged with each engagement projection 62d (see FIG. 1) corresponding to each engagement claw 71d substantially simultaneously with the engagement of each engagement claw 71c with each engagement projection 62c. Is done.
- the first end portions 78a1 and 78b1 of the motor conductive members 78a and 78b are electrically connected to the conductors corresponding to the brushes 32, respectively. That is, power is supplied to the power window motor 10 via the control board 73 from the power supply members 74a and 74b inserted in the connector member 70, and through the motor conductive members 78a and 78b.
- the connector member 70 can be mounted on the gear case 50 with one touch by engaging the engaging claws 71a, 71b, 71c, 71d with the engaging protrusions 62a, 62b, 62c, 62d. . Accordingly, the mounting work is simplified by eliminating the screws for mounting the connector member 70 and the gear case 50, and further, the power window motor 10 is reduced in weight.
- the power supply terminal 76a and the ground terminal 76b are arranged on both ends in the longitudinal direction of the connector connecting portion 72, and each terminal for control is provided.
- 77a, 77b, 77c, 77d, 77e, 77f are respectively arranged between the power supply terminal 76a and the ground terminal 76b so that there are three rows in the longitudinal direction of the connector connecting portion 72 and two rows in the short direction.
- the terminal 76a and the ground terminal 76b can be separated. Therefore, it is possible to reduce the size of the connector connecting portion 72 while ensuring a sufficient air gap between the power supply terminal 76a and the grounding terminal 76b, and thus it is possible to further reduce the size of the power window motor 10. .
- the power terminal 76a and the ground terminal 76b are formed in a flat plate shape, and the control terminals 77a, 77b, 77c, 77d, 77e, and 77f are connected to the needles. Since the power terminal 76a and the ground terminal 76b are disposed in the connector connecting portion 72 so that the longitudinal direction of the power terminal 76a and ground terminal 76b and the longitudinal direction of the connector connecting portion 72 are parallel to each other. The dimension (thickness dimension h) in the short direction of the connecting portion 72 can be reduced.
- the power terminal 76a, the ground terminal 76b (two in total), and the control terminals 77a, 77b, 77c, 77d, 77e, 77f (window automatic Open / close terminals, window raising terminals, window lowering terminals, ignition detection terminals, serial communication terminals, and empty terminals (total of 6 terminals) are provided, so that the optimum power with the necessary functions for the power window device is secured.
- the power window device can be downsized while the wind motor 10 is used.
- FIG. 7 shows a partial cross-sectional view of the power window motor according to the second embodiment.
- the power window motor 80 according to the second embodiment is formed by integrating the armature shaft 27 and the worm shaft 51 as compared with the power window motor 10 according to the first embodiment described above. The difference is that the rotating shaft 81 is provided and the opening direction of the connector connecting portion 86 is directed to the side opposite to the arrangement side of the pinion 61 (see FIG. 1).
- Rotating shaft 81 passes through and is fixed to the rotation center of amateur 25.
- One end side (the right side in the figure) of the rotating shaft 81 is provided inside the yoke 21, and the bottomed tube of the yoke 21 is interposed via the first radial bearing 26, the first thrust bearing 28 and the first steel ball 29.
- the portion 21b is rotatably supported.
- the other end side (the left side in the figure) of the rotating shaft 81 is provided inside the gear case 50, and the bottom 50 a of the gear case 50 is interposed via the fifth radial bearing 82, the second thrust bearing 58, and the second steel ball 59. Is supported rotatably.
- a worm 81 a that meshes with the gear teeth of the worm wheel 52 is integrally formed on the other end side of the rotating shaft 81.
- a sensor magnet 83 is fixed near the second radial bearing 34 of the rotation shaft 81, and a Hall IC 55 that forms a rotation sensor together with the sensor magnet 83 is disposed opposite to the sensor magnet 83.
- a connector connecting portion 86 is integrally provided on one side (right side in the drawing) of the main body 85 in the connector member 84.
- the connector connecting portion 86 extends in the longitudinal direction of the main body portion 85 and protrudes in the short direction. However, the protruding amount of the connector connecting portion 86 in the short direction is suppressed to be smaller than the thickness dimension of the power window motor 80 (the same thickness dimension D as that of the power window motor 10).
- the opening direction of the connector connecting portion 86 is directed to the arrangement side of the pinion 61 (see FIGS. 1 and 2), that is, the side opposite to the front side (back side) of the power window motor 80.
- the pinion 61 is disposed so as to face the outside of the vehicle, and the opening direction of the connector connecting portion 86 is directed to the vehicle interior side (not shown).
- the power window motor 80 according to the second embodiment includes only one rotating shaft 81, the amateur shaft 27 and the worm shaft 51 cannot be individually designed individually as in the first embodiment. Since the connection member 53 is unnecessary, the number of parts and the number of assembly steps can be reduced. Further, the power window motor 80 according to the second embodiment can facilitate the connection work of the vehicle side connector to the connector connecting portion 86 with the opening direction of the connector connecting portion 86 as the interior side of the vehicle interior. The mountability of the motor 80 on the vehicle and the maintainability of the power window motor 80 can be improved.
- the present invention is not limited to the above-described embodiments, and it goes without saying that various modifications can be made without departing from the scope of the invention.
- the power supply terminal 76a and the ground terminal 76b are configured such that the longitudinal direction of the power supply terminal 76a and the ground terminal 76b is parallel to the longitudinal direction of the connector connecting portion 72 (86).
- the present invention is not limited to this.
- the longitudinal direction of the power supply terminal 76a and the ground terminal 76b may be orthogonal to the longitudinal direction of the connector connecting portion 72 (86).
- the motor with the speed reduction mechanism according to the present invention is applied to the power window motor of the power window device.
- the present invention is not limited to this, and a drive source such as a sunroof device is used. It can also be applied to.
- the motor with a speed reduction mechanism is used to drive a window regulator of a power window device mounted on a vehicle such as an automobile to raise and lower the window glass.
Abstract
Description
Claims (6)
- 回転軸の回転を減速して出力する減速機構と、前記回転軸の回転を制御する制御部とを有する減速機構付モータであって、
モータケースと、
前記モータケース内に設けられ、前記回転軸を形成するアマチュア軸と、
前記モータケースに装着されるギヤケースと、
前記ギヤケース内に設けられ、前記アマチュア軸に連結されて前記回転軸を形成するウォーム軸と、
前記ウォーム軸に設けられ、前記減速機構を形成するウォームと、
前記ギヤケース内に設けられ、前記ウォームに噛み合わされて前記減速機構を形成するウォームホイールと、
前記ギヤケースに装着され、前記制御部を保持するコネクタ部材と、
前記コネクタ部材に設けられ、断面が長方形形状のコネクタ接続部と、
前記コネクタ部材にインサートされ、一端側が前記コネクタ接続部内に配置され、他端側が前記制御部に電気的に接続される8本の導電部材とを備え、
前記各導電部材のうちの2本を電源用導電部材とするとともに他の6本を制御用導電部材とし、前記各電源用導電部材の一端側を前記コネクタ接続部の長手方向両端側にそれぞれ配置し、前記各制御用導電部材の一端側を前記各電源用導電部材間で前記コネクタ接続部の長手方向に3列かつ短手方向に2列となるようそれぞれ配置することを特徴とする減速機構付モータ。 - 請求項1記載の減速機構付モータにおいて、前記各電源用導電部材を平板状に形成するとともに前記各制御用導電部材を針状に形成し、前記各電源用導電部材の一端側を、前記各電源用導電部材の長手方向と前記コネクタ接続部の長手方向とが平行となるよう前記コネクタ接続部内に配置することを特徴とする減速機構付モータ。
- 請求項1記載の減速機構付モータにおいて、当該減速機構付モータは車両に搭載されるパワーウィンドモータであり、前記各電源用導電部材の一端側をそれぞれ電源端子および接地端子とし、前記各制御用導電部材の一端側をそれぞれ窓自動開閉用端子,窓上昇用端子,窓下降用端子,イグニッション検知用端子,シリアル通信用端子および空き端子とすることを特徴とする減速機構付モータ。
- 回転軸の回転を減速して出力する減速機構と、前記回転軸の回転を制御する制御部とを有する減速機構付モータであって、
前記回転軸の一端側が内部に設けられるモータケースと、
前記モータケースに装着され、前記回転軸の他端側が内部に設けられるギヤケースと、
前記回転軸の他端側に設けられ、前記減速機構を形成するウォームと、
前記ギヤケース内に設けられ、前記ウォームと噛み合わされて前記減速機構を形成するウォームホイールと、
前記ギヤケースに装着され、前記制御部を保持するコネクタ部材と、
前記コネクタ部材に設けられ、断面が長方形形状のコネクタ接続部と、
前記コネクタ部材にインサートされ、一端側が前記コネクタ接続部内に配置され、他端側が前記制御部に電気的に接続される8本の導電部材とを備え、
前記各導電部材のうちの2本を電源用導電部材とするとともに他の6本を制御用導電部材とし、前記各電源用導電部材の一端側を前記コネクタ接続部の長手方向両端側にそれぞれ配置し、前記各制御用導電部材の一端側を前記各電源用導電部材間で前記コネクタ接続部の長手方向に3列かつ短手方向に2列となるようそれぞれ配置することを特徴とする減速機構付モータ。 - 請求項4記載の減速機構付モータにおいて、前記各電源用導電部材を平板状に形成するとともに前記各制御用導電部材を針状に形成し、前記各電源用導電部材の一端側を、前記各電源用導電部材の長手方向と前記コネクタ接続部の長手方向とが平行となるよう前記コネクタ接続部内に配置することを特徴とする減速機構付モータ。
- 請求項4記載の減速機構付モータにおいて、当該減速機構付モータは車両に搭載されるパワーウィンドモータであり、前記各電源用導電部材の一端側をそれぞれ電源端子および接地端子とし、前記各制御用導電部材の一端側をそれぞれ窓自動開閉用端子,窓上昇用端子,窓下降用端子,イグニッション検知用端子,シリアル通信用端子および空き端子とすることを特徴とする減速機構付モータ。
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US13/258,052 US20120025643A1 (en) | 2009-03-25 | 2010-03-15 | Motor with speed reduction mechanism |
JP2011505983A JPWO2010110112A1 (ja) | 2009-03-25 | 2010-03-15 | 減速機構付モータ |
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Cited By (6)
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JP2014003747A (ja) * | 2012-06-15 | 2014-01-09 | Asmo Co Ltd | モータ |
JP2019033660A (ja) * | 2017-07-25 | 2019-02-28 | ジョンソン エレクトリック インターナショナル アクチェンゲゼルシャフト | 駆動装置及びこれを用いるウィンドウリフトアクチュエータ |
JP2020036459A (ja) * | 2018-08-30 | 2020-03-05 | 株式会社ミツバ | モータ装置 |
US10890243B2 (en) | 2018-04-27 | 2021-01-12 | Mitsuba Corporation | Motor with deceleration mechanism |
US11577673B2 (en) | 2020-09-11 | 2023-02-14 | Nidec Mobility Corporation | Motor module, management module, vehicle-mounted device control system |
US11898394B2 (en) | 2020-09-15 | 2024-02-13 | Nidec Mobility Corporation | Motor module |
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USRE47564E1 (en) * | 2012-04-26 | 2019-08-06 | Denso Corporation | Motor |
DE102013006854A1 (de) * | 2012-04-26 | 2013-10-31 | Asmo Co., Ltd. | Motor |
WO2014178329A1 (ja) * | 2013-04-30 | 2014-11-06 | 株式会社ミツバ | モータ装置 |
USD774576S1 (en) * | 2015-04-20 | 2016-12-20 | SZ DJI Technology Co., Ltd. | Motor |
DE102015122095A1 (de) * | 2015-12-17 | 2017-06-22 | Valeo Systèmes d'Essuyage | Anschlusseinheit für einen Wischermotor für Scheibenwischanlagen und Wischermotor |
US20220247280A1 (en) * | 2021-02-03 | 2022-08-04 | Black & Decker Inc. | Electronic power module |
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- 2010-03-15 WO PCT/JP2010/054352 patent/WO2010110112A1/ja active Application Filing
- 2010-03-15 JP JP2011505983A patent/JPWO2010110112A1/ja active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2019033660A (ja) * | 2017-07-25 | 2019-02-28 | ジョンソン エレクトリック インターナショナル アクチェンゲゼルシャフト | 駆動装置及びこれを用いるウィンドウリフトアクチュエータ |
US10890243B2 (en) | 2018-04-27 | 2021-01-12 | Mitsuba Corporation | Motor with deceleration mechanism |
JP2020036459A (ja) * | 2018-08-30 | 2020-03-05 | 株式会社ミツバ | モータ装置 |
JP7122908B2 (ja) | 2018-08-30 | 2022-08-22 | 株式会社ミツバ | モータ装置 |
US11577673B2 (en) | 2020-09-11 | 2023-02-14 | Nidec Mobility Corporation | Motor module, management module, vehicle-mounted device control system |
US11898394B2 (en) | 2020-09-15 | 2024-02-13 | Nidec Mobility Corporation | Motor module |
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US20120025643A1 (en) | 2012-02-02 |
JPWO2010110112A1 (ja) | 2012-09-27 |
CN102365807A (zh) | 2012-02-29 |
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