WO2016152859A1 - クラッチ機構および洗濯機用モータユニット - Google Patents

クラッチ機構および洗濯機用モータユニット Download PDF

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Publication number
WO2016152859A1
WO2016152859A1 PCT/JP2016/058996 JP2016058996W WO2016152859A1 WO 2016152859 A1 WO2016152859 A1 WO 2016152859A1 JP 2016058996 W JP2016058996 W JP 2016058996W WO 2016152859 A1 WO2016152859 A1 WO 2016152859A1
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WO
WIPO (PCT)
Prior art keywords
rotating body
motor
clutch mechanism
rotor
frame member
Prior art date
Application number
PCT/JP2016/058996
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English (en)
French (fr)
Japanese (ja)
Inventor
林　勝彦
Original Assignee
日本電産サンキョー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電産サンキョー株式会社 filed Critical 日本電産サンキョー株式会社
Publication of WO2016152859A1 publication Critical patent/WO2016152859A1/ja

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/40—Driving arrangements  for driving the receptacle and an agitator or impeller, e.g. alternatively
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 

Definitions

  • the present invention relates to a clutch mechanism and a motor unit for a washing machine including the clutch mechanism.
  • Patent Documents 1 and 2 listed below disclose a washing machine motor unit including a clutch mechanism that interrupts transmission of driving force from a motor to a rotating tub.
  • the clutch operating mechanism for operating the clutch 14 of Patent Document 1 is driven from the drive motor 10 to the inner tub 6 by moving the sleeve 54 up and down by the operating lever 66 and engaging and separating the sleeve 54 from the locking bracket 74. To interrupt power transmission.
  • the sleeve 54 is rotatably supported by the fork portion 80 of the operating lever 66, and the sleeve 54 moves in the vertical direction when the actuator 65 swings the operating lever 66.
  • the support member 34 on which the second rotator 20 is rotatably supported is moved up and down by the support member moving mechanism 35, and the second rotator 20 is engaged with and separated from the first rotator 13. By doing so, transmission of the driving force from the motor 5 to the laundry basket 3 is interrupted.
  • the support member 34 is rotated in the circumferential direction by the synchronous motor 37 of the support member moving mechanism 35 and its reduction gear train 63, and further moves in the vertical direction together with the second rotating body 20 by the action of the cam mechanism 39.
  • the clutch mechanism 7 of Patent Document 2 can be mounted in a smaller space than the clutch operating mechanism of Patent Document 1.
  • the clutch mechanism 7 of Patent Document 2 uses the synchronous motor 37 that rotates only in one direction, the clutch disengaged state and the disengaged state must be repeated in sequence, and the clutch disengaged state is unknown. , It is not possible to switch directly to the desired state. Therefore, the clutch mechanism 7 of Patent Document 2 is separately provided with a detection mechanism 40 using a tact switch 71 and a washing tub rotation detection device 8 using a Hall IC 85, and disconnection is performed while determining the state of the clutch. I have control.
  • the motor 5 of Patent Document 2 is arranged separately from the clutch mechanism 7.
  • the motor 5 is a direct drive motor and the clutch mechanism 7 is accommodated therein, the space inside the motor is not sufficient. Since it is divided into parts such as a stator, the restriction on the arrangement space of the clutch mechanism 7 becomes more severe.
  • the clutch mechanism 7 is accommodated in such a narrow arrangement space, the sizes of the synchronous motor 37, the reduction wheel train 63, the detection mechanism 40, the washing tub rotation detection device 8 and the like constituting the clutch mechanism 7 become a problem. .
  • the problem to be solved by the present invention is a clutch mechanism that can be arranged even in a narrow arrangement space, and that can directly switch the clutch disengagement state.
  • the object is to provide a motor unit for a washing machine in which a clutch mechanism is housed.
  • a clutch mechanism includes a first rotating body and a second rotating body that are coaxially arranged and engageable with each other, and the second rotating body is displaced in the axial direction.
  • a lift mechanism that switches engagement / separation between the second rotating body and the first rotating body, and a case in which the second rotating body and the lift mechanism are accommodated.
  • a second motor rotatable in both directions, the second motor including a cylindrical second rotor and a second stator, and the second rotating body includes the second rotor and the second rotor
  • the gist is that it is arranged inside the second stator.
  • the clutch mechanism By disposing the second rotating body inside the second motor that is the driving source of the clutch mechanism, the number of parts for transmitting the output of the driving source to the second rotating body can be minimized. As a result, the clutch mechanism can be reduced in size, and the reliability can be improved by reducing the number of parts.
  • the lift mechanism further displaces the frame member in the axial direction according to the rotation direction of the second motor and the frame member that rotatably supports the second rotating body.
  • a cam mechanism to be arranged, and the frame member and the cam mechanism may be further arranged inside the second rotor and the second stator.
  • the lift mechanism includes a frame member and a cam mechanism, and these are arranged inside the second rotor and the second stator, whereby the mechanism necessary for the clutch mechanism to displace the second rotating body in the axial direction. All of these can be accommodated inside the second rotor and the second stator. Thereby, the external shape of a clutch apparatus can be made into the disk shape or column shape without the protrusion part to an axial direction or radial direction.
  • the second motor is a stepping motor.
  • the rotation angle can be controlled by the number of steps, so there is no need to provide a mechanism for determining the lifting / lowering state of the frame member and a feedback mechanism for the motor rotation number, and the clutch mechanism can be made compact. Can be achieved. Furthermore, the stepping motor is highly reliable because it has few contact parts.
  • the second motor is an inner rotor type motor
  • the frame member is supported by the case so as not to rotate in the circumferential direction
  • the cam mechanism is formed on the outer peripheral surface of the frame member. It is good also as a structure which consists of the protrusion part which is the provided cam follower, and the helical cam groove provided in the internal peripheral surface of said 2nd rotor in which this protrusion part is inserted.
  • the clutch mechanism can be further reduced in size and improved in reliability.
  • the second rotor is supported by a roller member or a ball member provided in the case so as to be rotatable in the circumferential direction.
  • the second rotor can be rotated with a smaller force.
  • the fixed-side teeth projecting toward the second rotating body at a portion of the case where the second rotating body spaced apart from the first rotating body contacts the axial direction thereof.
  • a fixed-side tooth portion that meshes with the fixed-side tooth portion is formed at a portion of the second rotating body that faces the fixed-side tooth portion, and the second rotating body is in a separated position thereof.
  • the fixed side tooth portion and the fixed side tooth portion mesh with each other so as to be non-rotatably locked to the case, and the frame member includes an inner peripheral portion that supports the second rotating body, An outer peripheral portion that supports an inner peripheral portion, the outer peripheral portion supports the inner peripheral portion in an axial direction via a biasing member, and the inner peripheral portion is supported by the biasing member.
  • At least the height of the fixed side tooth portion, axially relative to the outer peripheral portion It is desirable that can be displaced.
  • the motor unit for a washing machine of the present invention includes a first motor, the first motor includes a cylindrical first rotor and a first stator, and the first rotor and the first motor
  • the clutch mechanism according to any one of claims 1 to 6 is arranged inside the stator of the first and second aspects, and the first rotating body is rotationally driven by the first motor. To do.
  • the clutch device of the present invention can save space by having the above-described configuration. By accommodating the clutch device inside the first motor, the arrangement space of the clutch device can be further reduced, and the operation of attaching the washing machine motor unit to the washing machine can be simplified.
  • the outer shape of the clutch mechanism of the present invention can be a disc shape or a cylindrical shape, it is suitable for being arranged inside the cylindrical first rotor and the first stator.
  • the clutch mechanism breaks down in such a configuration, the clutch mechanism is housed inside the first motor, so that repair and replacement may be complicated.
  • the clutch mechanism according to the present invention the number of parts is reduced and the failure rate is suppressed. Therefore, the above disadvantageous effect is compensated, and the advantageous effect of reducing the arrangement space becomes remarkable.
  • a rotating shaft that rotates integrally with the first rotating body is erected at the rotation center of the first rotating body, and the rotating shaft is splined on the outer peripheral surface.
  • the tip of the rotating shaft is exposed from the cylindrical shaft, and the second rotating body is fitted into the spline portion, so that the spline portion of the spline portion is inserted. It is movable in the axial direction and rotates integrally with the cylindrical shaft in the circumferential direction.
  • the clutch mechanism can be arranged even in a narrow arrangement space, and can directly switch the clutch disengagement state, and A motor unit for a washing machine in which such a clutch mechanism is accommodated can be provided.
  • FIG. 1 It is sectional drawing which shows schematic structure of the fully automatic electric washing machine provided with the motor unit for washing machines of this invention. It is an external appearance perspective view of a motor unit. It is a disassembled perspective view of a motor unit and a clutch mechanism. It is a perspective view explaining the raising / lowering operation of the frame member by a lift mechanism. It is sectional drawing explaining the raising / lowering operation of the frame member by a lift mechanism.
  • the motor unit for the washing machine according to the present embodiment is mounted on a spiral type fully automatic electric washing machine, and the clutch mechanism performs both a washing operation for rotating only the pulsator according to the washing process of clothes, and both the pulsator and the rotating tub. Switching between rotating and dehydrating operations. Note that “upper”, “lower”, and “vertical direction” in the present embodiment refer to the vertical direction shown in FIG.
  • FIG. 1 is a cross-sectional view showing a schematic configuration of a fully automatic electric washing machine 90 (hereinafter simply referred to as “washing machine 90”) according to the present embodiment.
  • the washing machine 90 has a rectangular tube-shaped casing 91 having a cover 92 that can be opened and closed at an opening on the upper surface. Inside the casing 91 is a bottomed cylindrical inner tank that constitutes a washing and dehydrating tank 95. 95a and outer tub 95b and a washing machine motor unit 10 (hereinafter simply referred to as “motor unit 10”) are accommodated.
  • motor unit 10 a washing machine motor unit 10
  • the outer tub 95b is suspended from the housing 91 by a suspension bar 93 having a buffer mechanism, and a drain pipe 94 for discharging washing water to the outside is connected to the bottom of the outer tub 95b.
  • the inner tank 95a which is a rotating tank is rotatably supported in the outer tank 95b, and a pulsator 96 is installed at the center of the bottom surface.
  • the pulsator 96 and the inner tub 95 a are connected to the motor unit 10 disposed below the washing / dehydrating tub 95.
  • the rotating shaft 20 of the motor unit 10 has a tip portion passing through the bottom surface of the inner tank 95 a and connected to the pulsator 96, and the pulsator 96 rotates integrally with the rotating shaft 20.
  • the cylindrical shaft 21 of the motor unit 10 is connected to the lower surface of the inner tank 95 a via the connecting member 22, and the inner tank 95 a rotates integrally with the cylindrical shaft 21.
  • the fixing member 23 of the motor unit 10 is attached to the lower surface of the outer tub 95b.
  • the motor unit 10 includes a first motor 30, and a rotary shaft 20, a cylindrical shaft 21, and a clutch mechanism 40 described later are disposed inside a first rotor 31 of the first motor 30.
  • the clutch mechanism 40 controls the rotation of the inner tank 95a by interrupting the transmission of the driving force from the first motor 30 to the cylindrical shaft 21.
  • washing water is supplied to the washing and dewatering tub 95 through a water supply pipe (not shown). Thereafter, the rotary shaft 20 and the pulsator 96 are driven to rotate by the first motor 30 and the clothes are washed. During this time, transmission of the driving force to the cylindrical shaft 21 and the inner tank 95a is disconnected by the clutch mechanism 40.
  • the washing machine 90 shifts to a dehydration operation for dehydrating clothes.
  • the driving force of the first motor 30 is transmitted also to the cylindrical shaft 21 by the clutch mechanism 40, and the pulsator 96 and the inner tank 95a rotate integrally.
  • FIG. 2 is an external perspective view of the motor unit 10.
  • the first motor 30 provided in the motor unit 10 is a disk-shaped outer rotor type motor.
  • the above-described clutch mechanism 40 is built in a space provided inside the cylindrical first rotor 31 and the first stator 32 of the first motor 30, and the clutch is provided outside the first motor 30. Space saving is achieved as compared with the configuration including the mechanism 40.
  • the “cylindrical shape” in the present invention means a shape having a hollow cylindrical portion at least partially including a bottomed cylindrical shape and a cup shape.
  • an outer rotor type motor is adopted as the first motor 30 in the present embodiment, but the same effect can be obtained even when the first motor 30 is an inner rotor type motor.
  • a bearing 24 is disposed between the inner peripheral surface of the shaft portion of the fixing member 23 (transmission display) and the outer peripheral surface of the cylindrical shaft 21, and smooth rotation of the cylindrical shaft 21 is ensured.
  • the distal end portion of the rotating shaft 20 is exposed from the opening of the cylindrical shaft 21, and the rotation of the rotating shaft 20 is transmitted to the pulsator 96 by connecting the exposed portion to the pulsator 96.
  • the connecting member 22 shown in FIG. 1 is mounted on the outer peripheral surface of the cylindrical shaft 21, and the rotation of the cylindrical shaft 21 is transmitted to the inner tank 95 a through the connecting member 22.
  • the shape of the connecting member 22 can be changed as appropriate according to the shape of the washing and dewatering tub 95 to which the motor unit 10 is applied.
  • FIG. 3 is an exploded perspective view of the motor unit 10 and the clutch mechanism 40.
  • a disc-shaped first rotating body 41 is fixed to the center of rotation of the first rotor 31 of the first motor 30, and the first rotor 31 is driven to rotate, whereby the first rotating body 41 is driven. Rotates integrally with the first rotor 31.
  • the clutch mechanism 40 includes a case 49 including an upper case 49a and a lower case 49b. Inside the case 49, a second rotating body 42 and a second rotating body 42, which are cylindrical members having a flange portion 42d, are provided. A lift mechanism 43 that displaces the second rotary body 42 in the axial direction and a coil spring 44 that constantly urges the second rotating body 42 downward are accommodated.
  • the first rotating body 41 and the second rotating body 42 are arranged coaxially on the axis L.
  • a clutch tooth portion 41a in which a plurality of protrusions extending toward the second rotating body 42 are arranged at equal intervals in the circumferential direction.
  • a clutch tooth portion in which a plurality of protrusions extending toward the first rotating body 41 are arranged at equal intervals in the circumferential direction on the surface of the flange portion 42d of the second rotating body 42 facing the first rotating body 41. 42a is formed.
  • a fixed-side tooth portion 45a protruding toward the second rotating body 42 is formed at a portion of the upper case 49a where the second rotating body 42 separated from the first rotating body contacts in the axial direction.
  • the fixed side teeth 45a are a plurality of protrusions (protrusions protruding toward the second rotating body 42) arranged at equal intervals in the circumferential direction.
  • a fixed-side tooth portion 42c that meshes with the fixed-side tooth portion 45a is formed at a portion of the second rotating body 42 that faces the fixed-side tooth portion 45a.
  • the lift mechanism 43 displaces the frame member 431 in the axial direction according to the rotation direction of the second motor 432, the frame member 431 that rotatably supports the second rotating body 42, and the second motor 432.
  • the second motor 432 is a stepping motor, and is an inner rotor type motor composed of a cylindrical second rotor 432a and a second stator 432b.
  • a second rotating body 42, a frame member 431, and a cam mechanism 433 are arranged inside the second rotor 432a of the second motor 432.
  • the second rotor 432a is supported by a roller member 49c included in the case 49 so as to be rotatable in the circumferential direction.
  • roller members 49c are provided in the upper case 49a and the lower case 49b, and four roller members 49c are arranged at equal intervals in the circumferential direction. That is, the roller member 49c protrudes in a direction orthogonal to the axial direction at the first contact portion 49c1 that contacts the outer peripheral surface of the second rotor 432a and the end portion in the axial direction, and the axial direction of the second rotor 432a
  • a second contact portion 49c2 that contacts the surface is provided.
  • the roller member 49c provided in the upper case 49a is provided such that the second contact portion 49c2 is on the upper side in the axial direction.
  • the roller member 49c provided in the lower case 49b is provided such that the second contact portion 49c2 is on the lower side in the axial direction.
  • the second rotor 432a is rotatable in the circumferential direction by the first contact portion 49c1 of the roller member 49c provided in the upper case 49a and the first contact portion 49c1 of the roller member 49c provided in the lower case 49b. It is supported.
  • the second rotor 432a is moved in the axial direction by the second contact portion 49c2 of the roller member 49c provided on the upper case 49a and the second contact portion 49c2 of the roller member 49c provided on the lower case 49b.
  • the roller structure 49c having a small contact area and low frictional resistance is used for the bearing structure of the second rotor 432a, whereby the second rotor 432a can be rotated with a smaller force.
  • the same effect can be obtained by using a ball member instead of the roller member 49c.
  • the frame member 431 is a cylindrical member including an inner peripheral portion 431a that rotatably supports the second rotating body 42 and an outer peripheral portion 431b that supports the inner peripheral portion 431a.
  • the outer peripheral portion 431b supports the inner peripheral portion 431a in the axial direction via a coil spring 431c that constantly biases the inner peripheral portion 431a upward, and the inner peripheral portion 431a is at least covered by the elastic deformation of the coil spring 431c. It can be displaced in the axial direction relative to the outer peripheral portion 431b by the height of the fixed side tooth portion 42c.
  • the inner peripheral portion 431a is a cylindrical member, and a flange portion 431a1 protruding radially inward is formed on the lower inner peripheral surface of the inner peripheral portion 431a, and the second rotating body 42 is formed by the flange portion 431a1. Supports the axial direction. That is, the lower side in the axial direction of the flange portion 42d of the second rotating body 42 is supported by the flange portion 431a1.
  • the case 49 has four fixed shafts 49d erected at equal intervals in the circumferential direction.
  • the circumferential direction angle of the outer peripheral portion 431b is fixed by inserting the fixed shaft 49d.
  • the inner circumferential portion 431a is fixed in the circumferential direction position by being fitted to the outer circumferential portion 431b.
  • the frame member 431 is supported by the case 49 so as not to rotate in the circumferential direction as a whole.
  • a spline portion 21 a is provided on the outer peripheral surface of the lower end portion of the cylindrical shaft 21.
  • a longitudinal groove corresponding to the protrusion of the spline portion 21a is carved on the inner peripheral surface 42b of the second rotating body 42.
  • the cylindrical shaft 21 is inserted into the second rotating body 42, and the inner peripheral surface 42b of the second rotating body 42 and the spline portion 21a mesh with each other, so that the second rotating body 42 is within the range of the spline portion 21a.
  • the cylindrical shaft 21 can be slid in the axial direction, and the second rotating body 42 and the cylindrical shaft 21 rotate integrally in the circumferential direction.
  • a serration portion 20a is provided on the outer peripheral surface thereof.
  • a longitudinal groove corresponding to the protrusion of the serration portion 20a is carved in the bearing 41b of the first rotating body 41.
  • FIG. 4 and 5 are explanatory views of the lifting and lowering operation of the frame member 431 in the lift mechanism 43.
  • FIG. 5 is a cross-sectional view taken along the line AA in FIG.
  • the driving force is interrupted by the clutch mechanism 40 by moving the frame member 431 supporting the second rotating body 42 up and down to displace the axial position of the second rotating body 42. This is performed by engaging (joining) and separating (disengaging) the clutch tooth portions 41a and 42a of the first rotating body 41.
  • the cam mechanism 433 includes a protrusion 433a that is a cam follower provided on the outer peripheral surface of the frame member 431 (the outer peripheral portion 431b), and an inner peripheral surface of the second rotor 432a into which the protrusion 433a is fitted. And a spiral cam groove 433b.
  • a pair of protrusions 433a are provided at symmetrical positions in the circumferential direction of the outer peripheral surface.
  • the protrusion 433a in this embodiment is a roller, and the contact resistance between the protrusion 433a and the cam groove 433b is reduced.
  • the cam mechanism 433 raises the frame member 431 by rotating the second rotor 432a clockwise as viewed in FIG. 4 (FIGS. 4A and 5A), and the second rotor 432a is viewed in FIG. By rotating counterclockwise, the frame member 431 is lowered (FIGS. 4B and 5B).
  • a stepping motor that can rotate in both directions is used as the second motor 432 that is a drive source of the clutch mechanism 40, so that the rotation direction is designated and the clutch mechanism 40 is in a desired state. It is possible to switch directly to
  • the rotation angle of the stepping motor can be controlled by the number of steps, it is not necessary to separately provide a mechanism for detecting the raising / lowering state of the frame member 431 and a feedback mechanism for the motor rotation number. Thereby, the number of parts is suppressed and the clutch mechanism 40 is reduced in size. Since the clutch mechanism 40 in the present embodiment is built in the first motor 30, there is a possibility that repair or replacement at the time of failure becomes complicated. Therefore, the failure rate of the clutch mechanism 40 is reduced by using a stepping motor with few contact parts and relatively high reliability, and further reducing the number of parts. Further, the outer shape of the clutch mechanism 40 in the present embodiment is a disk shape, and there is no portion projecting in the radial direction, so that it is suitable for being arranged inside the first rotor 31 and the first stator 32.
  • FIG. 4A and 5A show the state of the lift mechanism 43 during the washing operation of the washing machine 90.
  • FIG. The clutch mechanism 40 is in a disengaged state during the washing operation.
  • the lift mechanism 43 is in a position after the frame member 431 is lifted, and the second rotating body 42 is also lifted by the frame member 431 and separated from the first rotating body 41. . Therefore, the engagement of the clutch tooth portions 41a and 42a of the first rotating body 41 and the second rotating body 42 is in a released state, and the driving force of the first motor 30 is not transmitted to the second rotating body 42 and the subsequent parts. .
  • FIG. 4 (b) and 5 (b) show the state of the lift mechanism 43 during the dehydrating operation of the washing machine 90.
  • FIG. The clutch mechanism 40 during the dehydrating operation is in the connected state.
  • the lift mechanism 43 when the clutch mechanism 40 is in the joint state is in a position where the frame member 431 is lowered, and the second rotating body 42 is also urged downward by the coil spring 44 and is lowered together with the frame member 431.
  • the clutch tooth portions 41a and 42a of the first rotating body 41 and the second rotating body 42 are engaged with each other, and the driving force of the first motor 30 is transmitted to the inner tank 95a.
  • the driving force of the first motor 30 causes the first rotor 31, the first rotating body 41, the second rotating body 42, the cylindrical shaft 21, and the connection. It is transmitted to the inner tank 95a through the member 22, and the inner tank 95a rotates.
  • the pulsator 96 connected to the rotary shaft 20 always rotates together with the first motor 30. That is, the driving force of the first motor 30 is transmitted to the pulsator 96 via the first rotating body 41 and the rotating shaft 20 regardless of the meshing state of the clutch teeth 41a and 42a.
  • the washing machine 90 rotates in both cases of the washing operation and the dehydrating operation.
  • the clutch mechanism 40 includes a fixed side tooth portion 45 a in the upper case 49 a and a fixed side tooth portion 42 c in the second rotating body 42, and the second rotating body 42 is separated from the first rotating body 41.
  • the fixed side tooth portion 45a and the fixed side tooth portion 42c are engaged with each other, whereby the rotation of the second rotating body 42 is engaged with the upper case 49a, and the inner tank 95a is fixed in the circumferential direction.
  • the clutch mechanism 40 does not include a mechanism for determining the lifting / lowering state of the frame member 431 and a feedback mechanism for the motor rotation speed, and applies a pulse corresponding to a predetermined step + ⁇ to the second motor 432.
  • the step-out of the second motor 432 can be directly connected to the malfunction of the motor unit 10. Further, the force that raises the second rotating body 42 causes stress to the lift mechanism 43, and may cause damage to the lift mechanism 43.
  • the outer peripheral portion 431b of the frame member 431 supports the inner peripheral portion 431a in the axial direction via a coil spring 431c.
  • the inner peripheral portion 431a can be displaced in the axial direction with respect to the outer peripheral portion 431b by at least the height of the fixed side tooth portion 42c when the coil spring 431c is elastically deformed. Accordingly, even when the apexes of the fixed side tooth portion 45a and the fixed side tooth portion 42c collide with each other, the inner peripheral portion 431a is temporarily displaced downward with respect to the outer peripheral portion 431b, thereby separating the outer peripheral portion 431b. It can be moved to the hour position.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
PCT/JP2016/058996 2015-03-23 2016-03-22 クラッチ機構および洗濯機用モータユニット WO2016152859A1 (ja)

Applications Claiming Priority (2)

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JP2015-059355 2015-03-23
JP2015059355A JP6446305B2 (ja) 2015-03-23 2015-03-23 クラッチ機構および洗濯機用モータユニット

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WO2016152859A1 true WO2016152859A1 (ja) 2016-09-29

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JP (1) JP6446305B2 (enrdf_load_stackoverflow)
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114990852A (zh) * 2022-03-21 2022-09-02 刘富豪 一种减速器及一种双动力波轮洗衣机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112144239B (zh) * 2019-06-27 2022-12-09 青岛海尔洗衣机有限公司 一种洗衣机减速离合装置

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Publication number Priority date Publication date Assignee Title
JP2001190889A (ja) * 2000-01-12 2001-07-17 Matsushita Electric Ind Co Ltd 洗濯機
JP2001204989A (ja) * 2000-01-28 2001-07-31 Matsushita Electric Ind Co Ltd 洗濯機
WO2008143528A1 (en) * 2007-05-18 2008-11-27 Fisher & Paykel Appliances Limited Laundry machine with lost motion clutch
US20120137738A1 (en) * 2010-12-02 2012-06-07 Kyubum Lee Washing machine

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Publication number Priority date Publication date Assignee Title
AU777010B2 (en) * 2002-01-17 2004-09-30 Lg Electronics Inc. Direct-drive washing machine
JP5940423B2 (ja) * 2012-09-28 2016-06-29 日本電産サンキョー株式会社 洗濯機のクラッチ機構および洗濯機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001190889A (ja) * 2000-01-12 2001-07-17 Matsushita Electric Ind Co Ltd 洗濯機
JP2001204989A (ja) * 2000-01-28 2001-07-31 Matsushita Electric Ind Co Ltd 洗濯機
WO2008143528A1 (en) * 2007-05-18 2008-11-27 Fisher & Paykel Appliances Limited Laundry machine with lost motion clutch
US20120137738A1 (en) * 2010-12-02 2012-06-07 Kyubum Lee Washing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114990852A (zh) * 2022-03-21 2022-09-02 刘富豪 一种减速器及一种双动力波轮洗衣机
CN114990852B (zh) * 2022-03-21 2023-09-29 刘富豪 一种减速器及一种双动力波轮洗衣机

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JP2016174877A (ja) 2016-10-06
JP6446305B2 (ja) 2018-12-26

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