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WO2017119774A1 - Ensemble embrayage de machine à laver - Google Patents

Ensemble embrayage de machine à laver Download PDF

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Publication number
WO2017119774A1
WO2017119774A1 PCT/KR2017/000213 KR2017000213W WO2017119774A1 WO 2017119774 A1 WO2017119774 A1 WO 2017119774A1 KR 2017000213 W KR2017000213 W KR 2017000213W WO 2017119774 A1 WO2017119774 A1 WO 2017119774A1
Authority
WO
WIPO (PCT)
Prior art keywords
pulsator
shaft
rotating
coupling
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2017/000213
Other languages
English (en)
Korean (ko)
Inventor
김용권
이상업
엄영진
진용지에
표상연
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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
Priority claimed from KR1020160110322A external-priority patent/KR102629966B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to EP17736146.6A priority Critical patent/EP3378984B1/fr
Priority to US16/068,164 priority patent/US11015279B2/en
Priority to ES17736146T priority patent/ES2775063T3/es
Priority to CN201780007501.4A priority patent/CN108474167B/zh
Publication of WO2017119774A1 publication Critical patent/WO2017119774A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
    • 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 
    • 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

Definitions

  • the present invention relates to a washing machine, and more particularly, to a washing machine having an improved structure of a clutch assembly for transmitting power of a motor.
  • a washing machine is a machine that washes clothes using electric power, and generally includes a water tank for storing wash water, a rotating tank rotatably installed inside the tank, a pulsator rotatably installed at the bottom of the rotating tank, and a rotating tank. And a clutch assembly for transmitting the power of the motor to the rotary tub and the pulsator for rotationally driving the pulsator.
  • the pulsator In the washing machine, in the washing stroke, the pulsator is rotated in a state in which laundry and water are contained in the rotating tub, and contaminants are separated from the laundry by the water flow formed in the rotating tub. The separated contaminants are operated to dissolve in water.
  • the existing washing machine is equipped with a clutch assembly for switching from the mode of transmitting the power of the motor to the pulsator from the mode of transmitting the power of the motor to both the pulsator and the rotating tub. That is, the conventional clutch assembly mounted on the washing machine does not have a mechanism for transmitting the power of the motor only to the rotating tub.
  • One aspect of the present invention provides a washing machine capable of transmitting power of a motor only to a rotating tub.
  • One aspect of the present invention provides a washing machine capable of alternating the direction of water flow inside the rotating tub without changing the rotational direction of the motor.
  • Washing machine is a water tank for storing water; A rotating tank rotatably provided in the water tank; A pulsator provided to be rotatable independently of the rotating tank in the rotating tank; A motor for generating power; And a clutch assembly configured to transmit power of the motor to the rotary tub or the pulsator, wherein the clutch assembly includes: a pulsator driver coupled to the pulsator to transmit power of the motor to the pulsator; And a coupling selectively coupled to the pulsator drive unit such that power of the motor is not transmitted to the pulsator.
  • the clutch assembly may transmit the power of the motor to the rotating tank or the pulsator by raising or lowering the coupling.
  • the rotary tub drive unit is coupled to the rotary tub to transmit the power of the motor to the rotary tub; further comprising, the rotary tub drive unit is the power of the motor is transmitted, the pulsator driver is not transmitted to the power of the motor At this time, the rotation direction of the rotating tub may be opposite to the rotation direction of the motor.
  • a sun gear to receive the power of the motor And a plurality of planetary gears disposed around the sun gear and engaged with the sun gear, wherein the pulsator drive unit connects a plurality of planetary gear shafts passing through rotation centers of the respective planetary gears. It may include a planetary gear connecting portion.
  • a rotating jaw driving unit coupled to the rotating jaw to transmit power of the motor to the rotating jaw, wherein the rotating jaw driving unit surrounds the plurality of planetary gears and engages with the plurality of planetary gears. It can include;
  • the coupling may restrict the rotation of the planetary gear connecting portion to prevent the plurality of planetary gears from revolving around the sun gear, thereby preventing the power from being transmitted to the pulsator.
  • Washing machine is a water tank for storing water; A rotating tank rotatably provided in the water tank; A pulsator provided to be rotatable independently of the rotating tank in the rotating tank; A motor for generating power; And a clutch assembly configured to transmit power of the motor to the rotating tub or the pulsator, wherein the clutch assembly includes: a drive shaft configured to receive power from the motor; A pulsator shaft surrounding the drive shaft and coupled to the pulsator to transmit power of the motor to the pulsator; Pulsator shaft teeth formed on an outer circumference of the pulsator shaft; And a coupling engaged with the pulsator shaft teeth and selectively restraining rotation of the pulsator shaft.
  • the clutch assembly may include: a rotating jaw shaft surrounding the pulsator shaft and coupled to the rotating tub so as to transmit power of the motor to the rotating tub; And a rotating tubular shaft tooth formed on an outer circumference of the rotating tubular shaft.
  • the coupling may include a pulsator restraining portion engaged with the pulsator shaft teeth and a rotating tub coupling portion engaged with the rotating jaw shaft teeth.
  • the power of the motor may be transmitted to the rotating tub via the coupling.
  • the clutch assembly may raise or lower the coupling to prevent the coupling from engaging or engaging the pulsator shaft teeth.
  • Planetary gears may not revolve around the sun gear and the ring gear may rotate.
  • Washing machine is a water tank for storing water; A rotating tank rotatably provided in the water tank; A pulsator provided to be rotatable independently of the rotating tank in the rotating tank; A pulsator driver coupled to the pulsator to transmit power to the pulsator; A motor for generating power; A sun gear to receive power from the motor; A plurality of planetary gears disposed around the sun gear and engaged with the sun gear; And a ring gear surrounding the plurality of planetary gears and engaged with the plurality of planetary gears, wherein the pulsator driving unit revolves around the sun gear along the ring gear as the plurality of planetary gears revolve around the ring gear.
  • a rotating tub driving unit coupled to the rotating tub for transmitting power to the rotating tub may further include, wherein the rotating tub driving unit is combined with the ring gear to rotate integrally.
  • the coupling By raising or lowering the coupling, the coupling can selectively restrain the rotation of the pulsator drive.
  • the washing machine is operated by appropriately combining the pulsator rotating mode, the rotating tank rotating mode, and the pulsator and the rotating tank simultaneous rotating mode, thereby improving washing power and reducing water consumption.
  • FIG. 1 is a cross-sectional view of a washing machine according to an embodiment of the present invention.
  • FIG. 2A is a perspective view of a clutch assembly according to one embodiment of the present invention.
  • 2B is a bottom perspective view of the clutch assembly and the rotor in accordance with one embodiment of the present invention.
  • Figure 3 is an exploded perspective view of the clutch assembly according to an embodiment of the present invention.
  • Figure 4 is an exploded perspective view of the rotary tub drive unit and the pulsator drive unit according to an embodiment of the present invention.
  • FIG. 5 is an enlarged view of a lower rotary jaw shaft and a lower pulsator shaft according to an embodiment of the present invention.
  • FIG. 6 is a cross-sectional view of the clutch assembly according to an embodiment of the present invention.
  • FIG. 7 is a front view of the planetary gear assembly according to an embodiment of the present invention.
  • FIG. 8 is a top perspective view of a coupling in accordance with an embodiment of the present invention.
  • FIG. 9 is a bottom perspective view of a coupling in accordance with one embodiment of the present invention.
  • FIG. 10 is a cross-sectional view of a coupling in accordance with one embodiment of the present invention.
  • FIG. 11 is a perspective view of a lever according to an embodiment of the present invention.
  • FIG. 12 is a perspective view of a trigger in accordance with an embodiment of the present invention.
  • FIG. 13 and 14 show the operating position of the coupling in a first mode of the clutch assembly according to an embodiment of the invention.
  • Figures 15 and 16 show the operating position of the coupling in the second mode of the clutch assembly according to one embodiment of the invention.
  • 17 and 18 show the operating position of the coupling in a third mode of the clutch assembly according to an embodiment of the invention.
  • 19, 20, 21 are views of the operation of the clutch assembly according to another embodiment of the present invention.
  • first and second terms including ordinal numbers such as “first” and “second” as used herein may be used to describe various components, but the components are not limited by the terms. It is used only to distinguish one component from another.
  • first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
  • the term “and / or” includes any combination of a plurality of related items or any of a plurality of related items.
  • FIG. 1 is a cross-sectional view of a washing machine according to an embodiment of the present invention.
  • the washing machine 1 rotates in a cabinet 20 forming an exterior, a water tank 30 disposed inside the cabinet 20, in which washing water is stored, and an inside of the water tank 30. It is comprised including the rotating tank 40 arrange
  • an inlet 22 is formed to inject laundry into the rotating tub 40.
  • the inlet 22 is opened and closed by a door 21 installed in the upper part of the cabinet 20.
  • the water tank 30 is supported in the state caught by the cabinet 20 by a suspension device 31 which connects the lower side of the outer surface of the water tank 30 and the inner upper portion of the cabinet 20.
  • the suspension 31 prevents the vibration generated in the water tank 30 during washing or dehydration from being transmitted to the cabinet 20.
  • the upper portion of the water tank 30 is provided with a water supply pipe 51 for supplying the wash water to the water tank (30).
  • a water supply pipe 51 for supplying the wash water to the water tank (30).
  • One side of the water supply pipe 51 is connected to an external water supply source (not shown), and the other side of the water supply pipe 51 is connected to the detergent supply device 50.
  • Water supplied through the water supply pipe 51 is supplied to the inside of the water tank 30 together with the detergent via the detergent supply device 50.
  • the water supply pipe 51 is provided with a water supply valve 52 to control the supply of water.
  • the rotating tub 40 is formed in a cylindrical shape with an upper portion open, and a plurality of dehydration holes 41 are provided at a side thereof so that the inner space of the rotating tub 40 communicates with the inner space of the water tank 20.
  • the balancer 42 may be mounted on the upper side of the rotating tub 40 to offset the unbalanced load generated in the rotating tub 40 during the high speed rotation of the rotating tub 40 so that the rotating tub 40 can be stably rotated. have.
  • the pulsator 45 rotates forward or reverse to generate water flow, and the laundry in the rotary tub 40 is stirred with the wash water by the water flow.
  • a drain hole 60 is formed at the bottom of the water tank 30 to discharge the wash water stored in the water tank 30, and the first drain pipe 61 is connected to the drain hole 60.
  • the first drain pipe 61 is provided with a drain valve 62 to control the drain.
  • the outlet of the drain valve 62 is connected to the second drain pipe 63 for discharging the wash water to the outside.
  • the drain valve 62 may be provided in various configurations such as a solenoid device or a link device connected to an electric motor.
  • the lower end of the water tank 30 is provided with a motor 70 for generating a driving force by applying power.
  • the motor 70 is composed of a circular stator 71 and a rotor 72 disposed on the outer circumference of the stator 71.
  • a shaft hole 75 is formed at the center of the rotor 72, and the shaft hole 75 is formed.
  • Engaged in the serration 77 formed on the inner circumferential surface of the coupled shaft or clutch boss 180 is rotated.
  • the clutch assembly 100 is disposed between the motor 70 and the water tank 30 to selectively transmit the driving force of the motor 70 to the rotating tank 40 and the pulsator 45.
  • Figure 2A is a perspective view of a clutch assembly according to an embodiment of the present invention
  • Figure 2B is a bottom perspective view of the clutch assembly and the rotor according to an embodiment of the present invention
  • Figure 3 is a clutch assembly according to an embodiment of the present invention Is an exploded perspective view.
  • the clutch assembly 100 receives power from the motor 70 and is provided to selectively transmit a driving force to at least one of the pulsator 45 and the rotating tub 40.
  • the clutch assembly 100 includes a housing 110 provided to protect its internal configuration.
  • the housing 110 is divided into an upper housing 112 and a lower housing 114.
  • a portion of the drive shaft 120 protrudes below the lower housing 114, and a rotating tool above the upper housing 112.
  • a portion of the eastern portion 140 and a portion of the pulsator driver 130 are provided to protrude.
  • the clutch assembly 100 includes a driving shaft 120, a pulsator driving unit 130, a rotating coarse driving unit 140, and a clutch boss 180.
  • the clutch boss 180 may include a boss hole 183 formed at the center, a circular hub 182 surrounding the boss hole 183, and a boss tooth 184 formed along the outer circumference of the hub 182.
  • the clutch boss 180 is a component in which the driving force of the motor 70 is first transmitted.
  • a serration provided on the inner circumferential surface of the shaft hole 75 of the rotor 72 is provided on the outer circumference of the hub 182 protruding downward.
  • a boss gear 187 corresponding to 77 is formed. That is, the clutch boss 180 always rotates integrally with the motor 70.
  • the boss hole 183 is formed to have a polygonal cross section, and serves to transfer power to the drive shaft 120 coupled to the boss hole 183. The detailed configuration of the clutch boss 180 will be described later.
  • the driving shaft 120 is connected to the clutch boss 180, and the power generated from the motor 70 is transmitted to the pulsator driving unit 130 or the rotating coarse driving unit 140.
  • the drive shaft 120 is a rod-shaped shaft, one end of the boss coupling portion 126 for coupling with the clutch boss 180 is formed, the other end of the serration-type gear teeth is formed to form the planetary gear assembly 150 It serves as the sun gear 122.
  • the boss coupling part 126 has a polygonal cross section corresponding to the boss hole 183 and is fitted into the boss hole 183. Therefore, the drive shaft 120 is always integrally rotated with the motor 70.
  • the pulsator driver 130 may be divided into a lower pulsator shaft 132 and an upper pulsator shaft 134 for convenience.
  • the lower pulsator shaft 132 and the upper pulsator shaft 134 do not operate independently but rotate as one body.
  • the lower pulsator shaft 132 is a cylindrical shaft whose center is empty, and the driving shaft 120 may be inserted into the hollow portion of the lower pulsator shaft 132.
  • a pulsator shaft tooth 133 may be provided on a lower outer circumference of the lower pulsator shaft 132.
  • the pulsator shaft teeth 133 is a serration form in which a plurality of protrusions are spaced apart along the outer circumferential surface of the lower pulsator shaft 132, and the pulsator shaft restraining unit 164 of the coupling 160 described later is optional. It is arranged to interlock.
  • the lower planetary gear connecting portion 136 on which the plurality of planetary gears 152 are seated is provided on the upper portion of the lower pulsator shaft 132, and the lower planetary gear connecting portion 136 has the planetary gears 152 therebetween. Coupling with the upper planetary gear connecting portion 135 disposed on the top.
  • the upper pulsator shaft 134 is coupled to the center of the upper planetary gear connecting unit 135, and the pulsator 45 is coupled to one end of the upper pulsator shaft 134 to rotate the pulsator 45. Will be.
  • the rotary jaw driving unit 140 may be divided into a lower rotary jaw shaft 142 and an upper rotary jaw shaft 144 for convenience.
  • the lower rotary shaft 142 and the upper rotary shaft 144 do not operate independently, but rotate as one body.
  • the lower rotary tank shaft 142 is a cylindrical shaft whose center is empty, and the lower pulsator shaft 132 may be inserted into a hollow portion of the lower rotary tank shaft 142. Therefore, the lower pulsator shaft 132 surrounds the drive shaft 120 positioned at the center, and the lower pulsator shaft 132 has a structure in which the lower rotary jaw shaft 142 is wrapped.
  • a rotating tubular shaft tooth 143 may be provided at a lower outer circumference of the lower rotating tubular shaft 142.
  • the rotating shaft shaft teeth 143 is a serration form in which a plurality of protrusions are disposed along the outer circumferential surface of the lower rotating shaft shaft 142.
  • the rotating shaft shaft teeth 143 is a pulsator shaft. It is located above the tooth 133.
  • the rotary jaw shaft teeth 143 may be selectively engaged with the rotary jaw shaft coupling part 168 of the coupling 160 to be described later, and when the lower rotary shaft 142 is coupled with the coupling 160, The power of the motor is transmitted to the rotary drive driver 140 via the coupling 160.
  • the upper end of the lower rotary shaft shaft 142 is provided with a gearbox base 146b in the form of a flange, so that the upper surface of the gearbox base 146b faces the lower surface of the lower planetary gear connecting portion 136.
  • a lubricant such as grease is applied between the upper surface of the gearbox base 146b and the lower surface of the lower planetary gear connecting portion 136 to rotate the lower rotary jaw shaft 142 relative to the lower pulsator shaft 132. This is possibly configured.
  • the upper rotary shaft 144 includes a gearbox 146 coupled to the gearbox base 146b of the lower rotary shaft 142.
  • the rotating tub coupling part 147 is provided on the opposite side of the gear box 146 of the upper rotary tub shaft 144 to be coupled to the rotating tub 40 so that the power of the motor 70 is transmitted to the rotating tub 40.
  • the upper rotary shaft 144 is a cylindrical shaft whose center is empty, the upper pulsator shaft 134 may be inserted into the hollow of the upper rotary shaft 144. Since the upper rotary bath shaft 144 and the upper pulsator shaft 134 have a gap not in contact with each other, they can rotate independently of each other. The upper pulsator shaft 134 protrudes further upward than the rotating tank coupling part 147 of the upper rotary tank shaft 144 and is coupled to the pulsator 45.
  • FIG. 7 is a front view of the planetary gear assembly according to an embodiment of the present invention.
  • the planetary gear assembly 150 is connected to the drive shaft 120, the rotary drive driver 140, and the pulsator drive unit 130, and the rotary drive driver (from the drive shaft 120).
  • the power is transmitted to at least one of the driver 140 and the pulsator driver 130.
  • the planetary gear assembly 150 is disposed inside the gearbox 146 constituting a part of the rotary jaw driving unit 140.
  • the gearbox 146 has a cylindrical gearbox body 146a having a larger diameter than the upper rotary shaft 146 below the upper rotary shaft 144 and a flange on the lower rotary shaft 142. It is composed of a gearbox base (146b) formed.
  • the planetary gear assembly 150 may include a sun gear 122, a plurality of planetary gears 152, and a ring gear 154.
  • the planetary gears 152 engaged with the sun gear 122 are rotated or revolved by the rotation of the sun gear 122, and the ring gear 154 is rotated by the sun gear 122 by the rotation of the planetary gears 152. It is rotated about the same axis as the rotation axis (X) of ().
  • the rotation of the planetary gears 152 means that each planetary gear rotates about each of the rotation axes x1, x2, x3, and x4, and the rotation of the planetary gears 152 means that the planetary gears 152 rotate.
  • each planetary gear rotates about the rotation axis (X) of the sun gear.
  • the revolution of the planetary gears 152 involves the rotation of the planetary gears 152. That is, when the rotation of the ring gear 154 is constrained, the planetary gears 152 are engaged with the ring gear 154 to rotate about the sun gear 122 by the rotation of the planetary gears 152. On the other hand, when the idle of the planetary gears 152 is restrained, the ring gear 154 is rotated by the rotation of the planetary gears 152.
  • the sun gear 122 may be provided at one end of the driving shaft 120. That is, the drive shaft 120 may include a sun gear 122 provided in a serration form on the outer circumferential surface opposite to the side coupled with the clutch boss 180. Therefore, the driving force of the motor may be transmitted to the plurality of planetary gears 152 and the ring gear 154 through the sun gear 122 of the drive shaft 120.
  • the plurality of planetary gears 152 may be connected to the pulsator driving unit 130. That is, as the planetary gears 152 revolve around the sun gear 122, the planetary gears 152 transmit rotational force to the pulsator shaft 134.
  • the pulsator driving unit 130 may include a pair of planetary gear connecting units 135 and 136 connecting the plurality of planetary gear shafts 152a which are rotation centers of the plurality of planetary gears 152.
  • the pair of planetary gear connecting parts 135 and 136 rotatably supports one end and the other end of the plurality of planetary gear shafts 152a so that the planetary gears 152 rotate about the rotation axis X when they revolve.
  • the planetary gear connecting units 135 and 136 may include an upper planetary gear connecting unit 135 and a lower planetary gear connecting unit 136.
  • the center of the upper planetary gear connector 135 is connected to the upper pulsator shaft 134, and the center of the lower planetary gear connector 136 is provided to be connected to the lower pulsator shaft 132.
  • the upper planetary gear connector 135 is integrally formed with the upper pulsator shaft 134
  • the lower planetary gear connector 136 is integrally formed with the lower pulsator shaft 132.
  • the ring gear 154 may be connected to the rotary jaw driving unit 140.
  • the ring gear 154 surrounds the planetary gears 152 and has the same rotation axis as the sun gear 122. That is, the serration formed inside the ring gear 154 is provided to rotate in engagement with the serration formed on the outer circumference of the planetary gears 152.
  • the outer circumferential surface of the ring gear 154 is tightly fixed to the inner circumferential surface of the gearbox body 146a, so that the ring gear 154 and the gearbox body 146a rotate integrally. Through such a configuration, the driving force transmitted to the ring gear 154 may be transmitted to the rotary jaw driving unit 140.
  • the gear box body 146a of the ring gear 154 and the rotary jaw driver 140 may be integrally formed.
  • FIG. 8 is a top perspective view of a coupling according to an embodiment of the present invention
  • FIG. 9 is a bottom perspective view of a coupling according to an embodiment of the present invention
  • FIG. 10 is a cross-sectional view of the coupling according to an embodiment of the present invention. .
  • the coupling 160 restrains the rotation of the lower pulsator shaft 132 or transmits power to the lower jaw shaft 142, depending on the position, thereby allowing the clutch assembly 100 to enter the first mode, the second mode or the first. Allows you to switch to 3 mode.
  • the drive shaft 120, the lower rotary tank shaft 142, and the lower pulsator shaft 132 have the same rotation axis X, and the coupling 160 is positioned in the rotation axis X direction.
  • the coupling 160 is positioned in the rotation axis X direction.
  • the coupling 160 may include a cylindrical coupling body 162 having a hollow portion formed therein.
  • the driving shaft 120, the lower pulsator shaft 132, and the lower rotary jaw shaft 142 may pass through the hollow portion of the coupling body 162.
  • the coupling body 162 may be divided into an upper body 162a and a lower body 162b.
  • a rotating jaw shaft coupling portion 168 may be provided on an inner circumferential surface of the upper body 162a, and a pulsator shaft restraining portion 164 and a coupling gear 170 may be provided inside the lower body 162b.
  • the lower rotary bath shaft 143 surrounds the outer circumference of the lower pulsator shaft 132, the lower rotary tank shaft 143 than the diameter of the lower pulsator shaft 132. ) Is large in diameter.
  • the inner diameter of the rotating shaft shaft coupling part 168 corresponding to the lower rotating shaft shaft 142 should be larger than the inner diameter of the pulsator shaft restraining portion 164 corresponding to the lower pulsator shaft 132.
  • the lower body 162b is provided with an extension portion 163 protruding radially inward along the inner circumference of the hollow portion of the coupling body 162, and the pulsator shaft restraining portion 164 is an extension portion 163. It consists of serrations formed along the inner circumference of.
  • the coupling 160 may include a coupling tooth 166 formed at an intermediate position between the upper body 162a and the lower body 162b.
  • the coupling teeth 166 protrude from the outer circumference of the coupling body 162 and are disposed to surround the coupling body 162.
  • the coupling teeth 166 include a plurality of coupling protrusions 167a protruding radially outward along the outer circumference and a plurality of coupling grooves 167b disposed between the respective coupling protrusions 167a.
  • the clutch assembly 100 operates the lever unit 200 to determine the position of the coupling 160.
  • the lever unit 200 includes a lever 210 and a trigger 220.
  • the lever 210 includes an upper lever 212 and a lower lever 214 and is bent with respect to the lever pivot hole 215 formed in the middle of the upper lever 212 and the lower lever 214.
  • the lower end of the lower lever 214 is branched on both sides to form a pair of guide arms 216 of the "C" shape, each guide arm 216 abuts the coupling 160, the coupling 160 It may include a coupling support 217 for supporting.
  • the upper lever 212 is a portion that receives the force from the trigger 220 in contact with the trigger 220, the lever 210 is centered on the lever pivot hole 215 by the force acting on the upper lever 212. Can pivot pivot.
  • the trigger 220 is composed of a trigger bar 222 forming a body, a connecting arm 226 and a stopper 228 branching from one end of the trigger bar 222, and have a substantially "T" shape.
  • a trigger pivot hole 225 formed at an intermediate point between the trigger bar 222, the connecting arm 226, and the stopper 228 may be included.
  • the trigger pivot hole 225 is disposed between the pair of trigger supports 118a formed at one side of the housing 110.
  • the trigger support hole 118b is formed in the pair of trigger support 118a, respectively, and the trigger 220 is triggered by the trigger pivot pin 118d passing through the pair of trigger support hole 118b and the trigger pivot hole 225.
  • the elastic member 118c may be disposed between the trigger 220 and the trigger support 118a so that the trigger 220 may be coupled to be biased in the direction in which the lever 210 is pressed or the opposite direction.
  • the clutch assembly 100 may include a lever holder 190 coupled to the bottom surface of the housing 110.
  • the lever holder 190 has an annular holder body 196, a housing coupling portion 192 for coupling the holder body 196 to the housing 110, and a pair of lever supports protruding from one side of the holder body 196. 198a.
  • the lever holder 190 may be fixed to the lower surface of the housing 110 by a plurality of fastening members (not shown), or alternatively, may be integrally formed with the housing 110.
  • lever support holes 198b are formed in the pair of lever supports 198a, respectively, and the levers are supported by the lever pivot pins 198d passing through the pair of lever support holes 198b and the lever pivot hole 215.
  • 210 is pivotally mounted to lever holder 190.
  • the elastic member 198c may be disposed between the lever 210 and the lever holder 190 to configure the guide arm 212 of the lever 210 to be biased downward.
  • the trigger 220 when the trigger 220 is operated by an actuator (not shown), referring to FIG. 13, the trigger 220 pivots in a counterclockwise direction about the trigger pivot hole 225.
  • the lever contact portion 227 of the arm 226 presses the upper lever 212 so that the lever 210 pivots about the lever pivot hole 215 so that the guide arm 212 of the lever 210 couples.
  • the ring 160 is raised.
  • the operation mode of the clutch assembly is determined to be the first, second and third modes.
  • the coupling 160 may be configured to reciprocate using a cam or a gear.
  • a coupling stopper 191 including a plurality of protrusions 191a protruding downward from the lower surface of the holder body 196 is disposed adjacent to the hollow portion of the lever holder 190.
  • the coupling stopper 191 has a shape corresponding to the coupling tooth 166 such that the coupling stopper 191 engages with the coupling tooth 166 at the raised position of the coupling 160.
  • the clutch boss 180 includes a boss hole 183 formed at the center, a circular hub 182 surrounding the boss hole 183, and a boss tooth 184 formed along the outer circumference of the hub 182. It may include.
  • the boss teeth 184 include a plurality of boss protrusions 184 protruding radially from the outer circumference of the hub and a plurality of boss grooves 185 formed in a groove shape between the boss protrusions 184. Accordingly, the boss teeth 184 and the coupling gear 170 mesh with each other at the position where the coupling 160 is lowered, so that the power of the motor is transmitted to the coupling 160 so that the coupling 160 can rotate. Will be.
  • the first mode M1 is a rotating tank rotating mode in which a driving force of the motor is transmitted only to the rotating tank and the pulsator does not rotate.
  • the trigger 220 receives the force from the actuator (not shown) in the direction of the arrow F1
  • the trigger 220 rotates counterclockwise around the trigger pivot hole 225, and thus the trigger 220.
  • Lever contact portion 227 presses the upper lever 212
  • the lever 210 pivots about the lever pivot hole 215, the lever upper portion 212 in a direction away from the side of the housing 110
  • the guide arm 216 of the lower lever 214 raises the coupling 160.
  • the coupling tooth 166 of the coupling 160 is engaged with the coupling stopper 191 of the lever holder 190 to constrain the rotation of the coupling 160
  • the pulsator shaft restraint 164 of the coupling 160 is engaged with the pulsator shaft teeth 133 to constrain the lower pulsator shaft 132.
  • the rotation of the lower pulsator shaft 132 is restricted, the rotation of the planetary gears 152 disposed above the lower pulsator shaft 132 is free, but the revolution of the planetary gears 152 is restricted. That is, the planetary gear shafts 152a may not rotate about the sun gear 122.
  • the rotary tank shaft teeth 143 of the lower rotary shaft shaft 142 is formed between the rotary shaft shaft coupling portion 168 of the coupling 140 and the pulsator shaft restraint portion 164, the serration is formed As it is located in the flat portion 174, the lower rotary shaft shaft 142 is free to rotate without engaging the coupling 150.
  • the power from the drive shaft 120 is transmitted to the ring gear 154 through the rotation of the sun gear 122 and the planetary gears 152, the rotary drive unit connected to the ring gear 154 ( 140 will rotate.
  • This power transmission path follows the arrow T1 shown in FIG. 14. That is, the rotating tub 40 from the motor 70 through the clutch boss 180, the drive shaft 120, the planetary gear 152, the ring gear 154, the gear box 146 and the upper rotary shaft shaft 144. ) Will rotate.
  • the rotational direction of the motor 70 and the rotational direction of the rotary tub 40 are opposite to each other, the rotational speed of the motor 40 versus the rotational speed of the rotary tub 40 is approximately four to one to five to one.
  • the ratio of the rotational speed of the motor 40 to the rotational speed of the rotating tub 40 may include the number of gear teeth of the sun gear 122, the number of gear teeth of the planetary gear 152, or the number of gear teeth of the ring gear 154. It may vary.
  • the washing machine according to the present invention may operate in the first mode during a washing or rinsing stroke, and may operate in the first mode in some sections of the washing stroke or in some sections of the rinsing stroke.
  • the conventional washing machine during the washing stroke, only the pulsator is rotated while the rotating tub is stopped, or the rotating tub and the pulsator are rotated together.
  • the washing machine according to the present invention rotates only the rotating tub while the pulsator is stopped during the washing stroke.
  • the rinsing stroke is typically repeated two or more times, and during the first rinse stroke or the last rinse stroke, the washing machine is programmed to operate in the first mode By doing so, it is possible to save water.
  • 15 and 16 illustrate an operation in a second mode of the clutch assembly according to an embodiment of the present invention.
  • the trigger 220 Similar to the first mode M1, the trigger 220, which receives the force from the actuator in the direction of the arrow F2, rotates counterclockwise around the trigger pivot hole 225.
  • the actuator The angle of rotating the trigger 220 is smaller than that of the first mode. That is, when the rotation angle of the trigger 220 is almost maximum in the first mode M1, as shown in FIG. 13, when the stopper 228 of the trigger 220 is almost in contact with the side of the housing 110.
  • the stopper 228 of the trigger 220 maintains a distance d1 from the housing 110.
  • the position of the trigger 220 in the second mode M2 is halfway between the position of the trigger 220 in the first mode M1 and the position of the trigger 220 in the third mode M3 described later.
  • the actuator may be operated only in the first mode M1 and the third mode M3 and the actuator may not be operated in the second mode M2. It may be.
  • the lever 210 pivots about the lever pivot hole 215, thereby guiding the guide arm 216 of the lower lever 212.
  • the coupling 160 is raised by the.
  • the position of the coupling 160 in the first mode M1 is referred to as an upper position
  • the position of the coupling 160 in the second mode M2 may be referred to as a middle position. That is, the coupling 160 in the second mode M2 is lower than the position of the coupling 160 in the first mode M1.
  • the coupling tooth 166 of the coupling 160 is positioned below the coupling stopper 191 without being engaged with the coupling stopper 191 of the lever holder 190, and the lower side of the lower pulsator shaft 132.
  • the pulsator shaft teeth 133 are positioned above the pulsator shaft restraints 164 without being engaged with the pulsator shaft restraints 164 of the coupling 160, and are the rotary jaw shaft teeth of the lower rotary shaft shaft 142.
  • 143 is positioned below the rotating shaft shaft coupling portion 168 without engaging the rotating shaft shaft coupling portion 168 of the coupling 160.
  • the pulsator shaft teeth 133 and the rotary jaw shaft teeth 143 are provided on the flat portion 174 between the pulsator shaft restraint portion 164 of the coupling 160 and the rotary shaft shaft coupling portion 168. Will be located.
  • the coupling 160 does not engage or engage with any of the lever holder 190, the pulsator shaft tooth 133 or the rotary shaft shaft 143 when in the second mode M2.
  • a brake device (not shown) in contact with the side of the gearbox 146 may be mounted in order to more constrain the rotation of the rotary tub drive 140.
  • the brake device may be operated to restrain the rotating tubular driving unit 140 in the second mode M2, or restrain the rotating tub driving unit 140 when the brake is not operating, and then the first mode M1. And the brake device to release the restraint of the rotary tub drive 140 in the third mode M3.
  • the power of the motor 40 passes through the sun gear 122 of the drive shaft 120 and the pulsator drive unit 130 through the revolving of the planetary gears 152. Is transmitted to rotate the pulsator 45.
  • the power transmission path at this time follows the arrow T2 shown in FIG.
  • the rotational direction of the motor 70 and the rotational direction of the pulsator 45 are the same, but the rotational speed of the pulsator 45 is reduced compared to the rotational speed of the motor at a ratio of 4 to 1 to 5 to 1. do.
  • This reduction ratio may vary depending on the number of gear teeth of the sun gear 122, the planetary gear 152, or the ring gear 154.
  • the washing machine according to the present invention may operate in the second mode during a washing or rinsing stroke, and may operate in the second mode in some sections of the washing stroke.
  • the rotational direction of the rotating tub is opposite to the rotational direction of the motor
  • the rotational direction of the pulsator is the same as the rotational direction of the motor.
  • Alternately operating alternately rotates the direction of water flow and laundry. That is, in the conventional washing process, the rotational direction of the motor was altered to change the water flow.
  • the first mode and the second mode may be changed without changing the rotational direction of the motor. The transformation allows the washing stroke to be carried out while changing the direction of rotation of the water stream.
  • 17 and 18 illustrate an operation in a third mode of a clutch assembly according to an embodiment of the present invention.
  • the actuator does not operate in the third mode M3. That is, the actuator does not apply any force to the trigger 220, the trigger 220 remains in the origin state without pivoting, and the stopper 228 of the trigger 220 is moved to the housing 110 in the second mode M2. ) Is spaced apart from the distance (d2) greater than the distance (d1).
  • the upper lever 212 is approximately equal to the rotational axis X of the motor by the elastic force of the elastic member 198c coupled to the lever pivot hole 215. Standing upright, the guide arm 212 of the lower lever 214 does not press the coupling 160.
  • the coupling 160 may come to the lowest position by gravity, the coupling 160 may be clutched by the elastic force of the spring 176 disposed between the lever holder 190 and the coupling 160. Biased to engage with 180.
  • the coupling gear 170 of the coupling 160 is engaged with the bosses 184 of the clutch boss 180, and at this time, The location can be called a location.
  • the coupling 160 is in the lower position, the rotating shaft shaft coupling portion 168 of the coupling 160 is engaged with the rotating shaft shaft teeth 143.
  • the pulsator shaft teeth 143 are not engaged with the coupling 160 because they are located on the flat portion 174 of the coupling 160.
  • the power of the motor 40 is transmitted not only to the drive shaft 120 but also to the coupling 160 coupled with the clutch boss 180.
  • the rotary tubular drive unit 140 is rotated by the rotary tubular shaft teeth 143 engaged with the rotary tubular shaft coupling unit 168 of the coupling 160. Therefore, since the rotation speed of the drive shaft 120 and the rotation speed of the rotary tub drive unit 140 are the same, power transmission does not occur between the sun gear 122 and the planetary gears 152 of the drive shaft 120. In addition, power transmission does not occur between the planetary gears 152 and the ring gear 154. In other words, the pulsator driver 130 and the rotating tubular driver 140 rotate as one rigid body.
  • the power transmission path follows the arrow T3 shown in FIG. 18, and the rotational speed of the motor 40, the rotational speed of the pulsator 45, and the rotational speed of the rotating tub 40 are all The same, and the direction of rotation is also the same.
  • the third mode M3 is a mode that operates during the dehydration stroke of the washing machine, and rotates the rotary bath and the pulsator at high speed to separate the water contained in the laundry.
  • the washing machine may be operated in the third mode even during the washing or rinsing stroke.
  • the washing machine may operate the rotating tub rotating mode which is the first mode M1, the pulsator rotating mode which is the second mode M2, and the dehydration mode which is the third mode M3.
  • the first and third modes M1 and M3 may be operated by moving the trigger 220, and the second mode M2 may be operated by moving the lever 210. As shown in FIGS. 19 and 20, the trigger 220 and the lever 210 may be operated by the first and second actuators A1 and A2, respectively.
  • the stopper 228 of the trigger 220 almost contacts the side surface of the housing 110.
  • the coupling 160 is moved to the upper position as shown in Figure 14, the coupling 160 is engaged with the coupling stopper 191 and the pulsator shaft teeth 133, the power is the motor 70 It is transmitted from the rotating tub 40 to.
  • the stopper 228 of the trigger 220 is spaced apart from the side surface of the housing 110 by d2.
  • the coupling 160 moves to the lower position as shown in FIG. 18, and the clutch 160 is engaged with the clutch boss 180 and the rotating shaft shaft teeth 143, so that power is transferred from the motor 70 to the pulsator 45. Will be delivered to the rotating tub (40).
  • the first actuator so that the stopper 228 of the trigger 220 is spaced apart from the housing 110 by d2. It is also possible to rotate the trigger 220 by (A1).
  • the stopper 228 of the trigger 220 is almost in close contact with the housing 110.
  • the trigger 220 may be rotated by the actuator A1.
  • the washing machine can operate the rotating tub rotating mode and the dehydration mode.
  • the second mode M2 may operate by moving the lever 210.
  • the lever 210 is provided to move independently of the trigger 220 by the second actuator A2 as shown in FIG. 21. That is, the second mode M2 may be turned on / off by the second actuator A2.
  • the second actuator A2 is provided to operate the upper lever portion 212 so that the guide arm 216 of the lower lever portion 214 moves the coupling 160.
  • the coupling 160 in the second mode M2 may be in the middle position as shown in FIG. 16. At this time, since the coupling 160 is not bound to the pulsator shaft teeth 133 and the rotating shaft shaft teeth 143, power is transmitted from the motor 70 to the pulsator 45.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

Selon l'invention, une machine à laver comprend: un moteur générateur de puissance; et un ensemble embrayage recevant la puissance du moteur de manière à commander une cuve rotative et un pulsateur. L'ensemble embrayage comprend: un arbre de commande entraîné en rotation par la puissance reçue du moteur; un module de commande du pulsateur pour recevoir sélectivement la puissance de l'arbre de commande de manière à entraîner en rotation le pulsateur; et un module de commande de la cuve rotative pour recevoir sélectivement la puissance de l'arbre de commande de manière à entraîner en rotation la cuve rotative, l'ensemble embrayage étant ménagé pour entraîner sélectivement le module de commande de la cuve rotative et/ou le module de commande du pulsateur. Ainsi, la machine à laver de l'invention peut être pilotée dans divers modes de lavage et modes d'essorage.
PCT/KR2017/000213 2016-01-06 2017-01-06 Ensemble embrayage de machine à laver Ceased WO2017119774A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17736146.6A EP3378984B1 (fr) 2016-01-06 2017-01-06 Ensemble embrayage de machine à laver
US16/068,164 US11015279B2 (en) 2016-01-06 2017-01-06 Clutch assembly of washing machine
ES17736146T ES2775063T3 (es) 2016-01-06 2017-01-06 Conjunto de embrague de lavadora
CN201780007501.4A CN108474167B (zh) 2016-01-06 2017-01-06 洗衣机的离合器组合件

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2016-0001475 2016-01-06
KR20160001475 2016-01-06
KR1020160110322A KR102629966B1 (ko) 2016-01-06 2016-08-29 세탁기의 클러치 어셈블리
KR10-2016-0110322 2016-08-29

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WO2017119774A1 true WO2017119774A1 (fr) 2017-07-13

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PCT/KR2017/000213 Ceased WO2017119774A1 (fr) 2016-01-06 2017-01-06 Ensemble embrayage de machine à laver

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3739103A4 (fr) * 2018-05-29 2020-12-02 Wuxi Little Swan Electric Co., Ltd. Lave-linge à tambour
EP3739104A4 (fr) * 2018-05-29 2020-12-16 Wuxi Little Swan Electric Co., Ltd. Machine à laver à tambour
US10968558B2 (en) 2018-02-14 2021-04-06 Fisher & Paykel Appliances Limited Integrated motor and gearbox drive system for a washing machine

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Publication number Priority date Publication date Assignee Title
JP2000042286A (ja) * 1998-07-27 2000-02-15 Samsung Electronics Co Ltd 洗濯機の動力伝達装置
KR20130090164A (ko) * 2012-02-03 2013-08-13 삼성전자주식회사 클러치 어셈블리와 이를 구비한 세탁기
US20140069145A1 (en) * 2012-09-13 2014-03-13 General Electric Company Assembly and method for shifting between modes of operation for a washing machine appliance
KR20150008347A (ko) * 2013-07-12 2015-01-22 주식회사 아모텍 세탁기 구동장치 및 이를 구비한 세탁기와 그의 제어방법
KR20150075833A (ko) * 2013-12-26 2015-07-06 동부대우전자 주식회사 세탁기의 동력전달장치 및 동력제어장치

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Publication number Priority date Publication date Assignee Title
JP2000042286A (ja) * 1998-07-27 2000-02-15 Samsung Electronics Co Ltd 洗濯機の動力伝達装置
KR20130090164A (ko) * 2012-02-03 2013-08-13 삼성전자주식회사 클러치 어셈블리와 이를 구비한 세탁기
US20140069145A1 (en) * 2012-09-13 2014-03-13 General Electric Company Assembly and method for shifting between modes of operation for a washing machine appliance
KR20150008347A (ko) * 2013-07-12 2015-01-22 주식회사 아모텍 세탁기 구동장치 및 이를 구비한 세탁기와 그의 제어방법
KR20150075833A (ko) * 2013-12-26 2015-07-06 동부대우전자 주식회사 세탁기의 동력전달장치 및 동력제어장치

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10968558B2 (en) 2018-02-14 2021-04-06 Fisher & Paykel Appliances Limited Integrated motor and gearbox drive system for a washing machine
EP3739103A4 (fr) * 2018-05-29 2020-12-02 Wuxi Little Swan Electric Co., Ltd. Lave-linge à tambour
EP3739104A4 (fr) * 2018-05-29 2020-12-16 Wuxi Little Swan Electric Co., Ltd. Machine à laver à tambour
US11286607B2 (en) 2018-05-29 2022-03-29 Wuxi Little Swan Electric Co., Ltd. Drum washing machine
US11618988B2 (en) 2018-05-29 2023-04-04 Wuxi Little Swan Electric Co., Ltd. Drum washing machine

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