WO2022068455A1 - 一种洗衣机及其控制方法 - Google Patents

一种洗衣机及其控制方法 Download PDF

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Publication number
WO2022068455A1
WO2022068455A1 PCT/CN2021/113474 CN2021113474W WO2022068455A1 WO 2022068455 A1 WO2022068455 A1 WO 2022068455A1 CN 2021113474 W CN2021113474 W CN 2021113474W WO 2022068455 A1 WO2022068455 A1 WO 2022068455A1
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WO
WIPO (PCT)
Prior art keywords
sleeve
clutch
inner tub
engaging
clutch sleeve
Prior art date
Application number
PCT/CN2021/113474
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
吕佩师
姜同春
刘尊安
张皓钧
李峰
公涛
Original Assignee
重庆海尔洗衣机有限公司
海尔智家股份有限公司
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 重庆海尔洗衣机有限公司, 海尔智家股份有限公司 filed Critical 重庆海尔洗衣机有限公司
Priority to JP2023516045A priority Critical patent/JP2023545239A/ja
Publication of WO2022068455A1 publication Critical patent/WO2022068455A1/zh

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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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/08—Draining of washing liquids

Definitions

  • the present invention relates to the technical field of laundry equipment, in particular, to a washing machine and a control method thereof.
  • the structure of the existing fully automatic washing machine includes two parts: an inner barrel and an outer barrel.
  • the inner and outer barrels are connected.
  • the area between the inner and outer barrels is filled with water, and the inner and outer barrels are filled with water. Areas can become attached to dirt and lint from the water, which can develop bacteria and odors over time.
  • the water in the area between the inner and outer tubs is not used during the washing process, resulting in a waste of this part of the washing water.
  • FIG. 1 there is a washing machine as shown in FIG. 1 , which includes an inner tub 23 and an outer tub 24.
  • the inner tub 23 is a non-porous tub with a closed tub wall. In this way, during the washing process, the washing water is stored in the inner tub 23. , the area between the inner and outer barrels is free of water.
  • a drain port 25 is provided at the center of the bottom of the inner tub, an outer tub sealing lip 29 is provided in the center of the outer tub 24 in dynamic sealing contact with the drain port, and the bottom of the outer tub 24 of the washing machine is provided with a A drain pipe 30 that communicates with the inner chamber of the tub sealing lip 29 is provided with a drain valve 27 for controlling the opening and closing of the drain pipe 30 .
  • the water in the inner tub 23 flows into the inside of the outer tub sealing lip 29 through the drain port 25 , and is then discharged through the drain pipe 30 .
  • the first object of the present invention is to provide a washing machine that can achieve the positioning of the inner tub through the deceleration clutch device, and the inner tub sealing mechanism seals the inner tub to achieve no water between the tubs. Specifically, the following technical solutions are adopted:
  • a washing machine comprising:
  • the inner barrel holds the washing water independently during washing, and the bottom of the inner barrel is provided with a drain;
  • a clutch mechanism the clutch mechanism includes a fixed sleeve, a clutch sleeve that can reciprocate for clutch switching, and a fork assembly that drives the movement of the clutch sleeve.
  • the fork assembly includes a fork and a fork drive device. One end of the fork The fork is connected to the clutch sleeve, the shift fork drive device includes a power component and a crank connecting rod mechanism, and the rotation output end of the power component is connected with the other end of the fork through the crank connecting rod mechanism;
  • the deceleration mechanism includes an output shaft sleeve connected to the inner barrel and an input shaft sleeve fixedly connected with the output shaft sleeve, the clutch sleeve can be axially slidable sleeved on the input shaft sleeve and is circumferentially synchronized with the input shaft sleeve sports;
  • the power component drives the fork through the crank connecting rod mechanism to engage the clutch sleeve and the fixed sleeve to lock the inner tub at the position where the water outlet is opposite to the inner tub sealing mechanism.
  • the clutch sleeve has a clutch sleeve engaging convex portion/clutch sleeve engaging concave portion
  • the fixed sleeve has a fixed sleeve engaging concave portion/fixing sleeve engaging convex portion
  • the fixing sleeve engaging recess/fixing sleeve engaging protrusion has a unique engagement position for locking the inner tub at a position where the drain opening is opposite to the inner tub sealing mechanism.
  • the clutch sleeve engaging convex part/clutch sleeve engaging concave part is a meshing tooth/engaging groove arranged on the clutch sleeve
  • the fixed sleeve engaging concave part/fixing sleeve engaging convex part is an engaging part arranged on the fixed sleeve.
  • Slot/meshing tooth the clutch sleeve is provided with a meshing tooth/mesh slot
  • the fixed sleeve is correspondingly set with a meshing slot/mesh tooth
  • the clutch sleeve engaging convex part/clutch sleeve engaging concave part is a meshing tooth/engaging groove arranged on the clutch sleeve
  • the fixed sleeve engaging concave part/fixing sleeve engaging convex part is an engaging part arranged on the fixed sleeve.
  • the clutch sleeve is provided with two non-co-diameter meshing teeth/mesh slots
  • the fixed sleeve is correspondingly provided with two non-co-diameter meshing slots/mesh teeth
  • the clutch sleeve meshing teeth/mesh teeth/ The engaging grooves engage with the engaging grooves/engaging teeth of the fixing sleeve to lock the inner tub in a position where the drain opening is opposite to the inner tub sealing mechanism.
  • the clutch sleeve engaging convex part/clutch sleeve engaging concave part is a meshing tooth/engaging groove arranged on the clutch sleeve
  • the fixed sleeve engaging concave part/fixing sleeve engaging convex part is an engaging part arranged on the fixed sleeve.
  • the clutch sleeve is provided with at least three circumferentially non-uniformly distributed meshing teeth/mesh grooves
  • the fixed sleeve is correspondingly provided with at least three circumferentially non-uniformly distributed meshing grooves/mesh teeth
  • the clutch sleeve is The engagement teeth/engagement grooves engage with the engagement grooves/engagement teeth of the fixing sleeve to lock the inner tub at the position where the drain outlet is opposite to the inner tub sealing mechanism.
  • a position detection device is provided on the fixing sleeve engaging concave portion/fixing sleeve engaging convex portion of the fixing sleeve to detect whether the clutch sleeve engaging convex portion/clutch sleeve engaging concave portion is engaged with the fixed sleeve engaging concave portion/fixing sleeve engaging convex portion. in place.
  • the water collecting device includes a water collecting device arranged at the bottom of the inner barrel, the water collecting device has a water collecting chamber for collecting the drainage of the inner barrel; the inner barrel sealing mechanism is arranged on the bottom wall of the water collecting device, and the inner barrel sealing mechanism includes a sealing drive
  • the sealing driving element drives the sealing blocking element to move upward to block the drain port, and the sealing driving element drives the sealing blocking element to move downward to open the drain port.
  • crank connecting rod mechanism includes a transmission wheel and a transmission rod, the transmission wheel is arranged on the rotation output end of the power component, one end of the transmission rod is eccentrically connected to the transmission wheel through the first hinge, and the transmission rod is eccentrically connected to the transmission rod.
  • the other end is connected to the shift fork through a second hinge;
  • the deceleration mechanism also includes an input shaft sleeved inside the input shaft sleeve, and the deceleration mechanism includes a torque transmission shaft sleeve fixed on the input shaft and rotated synchronously with it , the clutch sleeve is located between the torque transmission sleeve and the fixed sleeve:
  • the power component has a first limit position, the rotating output end of the power component drives the transmission wheel to rotate to the first position, and the transmission wheel drives the transmission rod to drive the fork to toggle the clutch sleeve to engage with the torque transmission sleeve;
  • the power component has a second limit position, the rotating output end of the power component drives the transmission wheel to rotate to the second position, and the transmission wheel drives the transmission rod to drive the fork to toggle the clutch sleeve to engage with the fixed sleeve;
  • the first limit position of the power component satisfies: when the rotation output end of the power component rotates to the first limit position, the transmission wheel drives the first hinge to move to the upper end of the transmission wheel in the vertical radial direction;
  • the second limit position of the power component satisfies: when the rotation output end of the power component rotates to the second limit position, the transmission wheel drives the first hinge to move to the lower end of the transmission wheel in the vertical radial direction.
  • the second purpose of the present invention is to provide a control method for a washing machine, specifically, the following technical solutions are adopted:
  • a control method of a washing machine the washing machine executes a washing or rinsing procedure, a power component of a control clutch mechanism drives a fork through a crank connecting rod mechanism to move a clutch sleeve to engage with a fixed sleeve to lock an inner tub at a position opposite to a drain outlet and an inner tub sealing mechanism,
  • the inner barrel sealing mechanism is controlled to seal the water outlet.
  • the washing machine includes a drive motor connected with the input shaft of the deceleration mechanism;
  • the position detection device detects the in-position signal, the water inflow process starts. If the position detection device does not detect When the in-position signal is engaged, the drive motor is controlled to rotate slowly until the position detection device detects the in-position signal;
  • the washing machine controls the driving motor to rotate slowly for the set time T0, and the position detection device still does not detect the engagement in-position signal, the current program is suspended.
  • the washing machine of the present invention realizes the positioning of the inner tub at the only position where the drain port is opposite to the sealing mechanism of the inner tub, realizes the sealing of the inner tub, and can achieve waterless self-cleaning between the tubs during the washing and rinsing process. Effect.
  • the washing machine of the present invention can realize the positioning of the inner tub by using the original deceleration mechanism and the clutch mechanism of the washing machine, the whole machine has a simple structure, stable positioning, and ensures the effectiveness of the sealing of the inner tub.
  • Fig. 1 is the principle schematic diagram of existing waterless washing machine between inner and outer barrels
  • FIG. 2 is a schematic structural diagram of a washing machine according to an embodiment of the present invention (the drain outlet of the inner tub is open);
  • FIG. 3 is a schematic structural diagram of a washing machine according to Embodiment 1 of the present invention (the drain outlet of the inner tub is closed);
  • FIG. 4 is a schematic diagram of the structure of the bottom of the outer tub of the washing machine according to the second embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a water drain outlet of an inner tub of a washing machine according to an embodiment of the present invention and a sealing mechanism of the inner tub in relative positions.
  • the present embodiment provides a washing machine, including: an inner tub 23, which independently holds washing water during washing, a drain port 25 is provided at the bottom of the inner tub 23; an inner tub sealing mechanism 7 is used for The drain port 25 is opened and closed. During washing, the inner tub sealing mechanism 7 seals the drain port 25, and the interior of the inner tub 23 can independently hold washing water. When draining or dehydrating, the inner tub sealing mechanism 7 opens the drain port 25, and the inner tub 23 The water is discharged through the drain port 25.
  • the inner tub 23 of the washing machine of this embodiment independently holds the washing water during washing. Compared with the traditional fully automatic washing machine, the washing water does not exist between the inner tub and the outer tub, which not only prevents the washing water from affecting the outer wall of the inner tub and the outer tub. The accumulation of dirt caused by the inner wall affects the washing effect, and can save washing water, energy saving and emission reduction.
  • the inner tub of this embodiment is a "non-porous inner tub", and the part of the inner tub 23 below the highest water level is closed. In this way, the inner tub 23 is in the washing process. It can be used to hold water; a dehydration hole is provided on the wall of the inner barrel 23 above the highest water level. During the dehydration process of the inner barrel 23, due to centrifugal action, the water that is dehydrated can be discharged from the dehydration hole.
  • the washing machine of the present embodiment is provided with a drain port 25 at the bottom of the inner tub 23.
  • the washing machine also includes an inner tub seal that can open and close the drain port 25. Institution 7.
  • the inner tub sealing mechanism 7 is fixedly arranged under the tub bottom of the inner tub 23 and can be in a position opposite to the drain port 25. Since the inner tub 23 needs to rotate during the dehydration process, and needs to be kept at the drain port during the washing process 25 is opposite to the inner tub sealing mechanism 7, so that the inner tub sealing mechanism 7 can close the drain port 25, and the inner tub can independently hold washing water. Therefore, how to position the inner tub 23 at a certain position during the washing process or rinsing process, so that the drain port 25 and the inner tub sealing mechanism 7 are in relative positions, is the key to realizing the waterless between the tubs of the washing machine of the present application.
  • the washing machine of this embodiment includes: a clutch mechanism, the clutch mechanism includes a fixed sleeve 8 , a clutch sleeve 9 that can reciprocate to perform clutch switching, and a fork assembly that drives the clutch sleeve 9 to move.
  • the fork assembly includes The shift fork 14 and the shift fork drive device, one end of the shift fork 14 is fork connected to the clutch sleeve 9, the shift fork drive device includes a power part 20 and a crank connecting rod mechanism, the rotation output end of the power part 20 is connected with the crank connecting rod mechanism through the crank connecting rod mechanism. The other end of the fork 14 is drivingly connected.
  • the washing machine of this embodiment includes: a deceleration mechanism, the deceleration mechanism includes an output shaft sleeve 2 connected to the inner tub 23 and an input shaft sleeve 13 fixedly connected with the output shaft sleeve 2, the clutch sleeve 9 is axially slidable sleeved on the input shaft The shaft sleeve 13 moves synchronously in the circumferential direction with the input shaft sleeve 13 .
  • the power component 20 of the washing machine in this embodiment drives the fork 14 through the crank link mechanism to toggle the clutch sleeve 9 and the fixed sleeve 8 to engage the inner tub 23 at the position where the drain port 25 is opposite to the inner tub sealing mechanism 7 .
  • a clutch sleeve 9 is set on the input shaft sleeve 13 of the deceleration mechanism, a fixed sleeve 8 is fixedly arranged, and the engagement and separation of the clutch sleeve 9 and the fixed sleeve 8 are controlled by the shift fork 14 of the clutch mechanism, so as to realize the clutch sleeve 9 and the fixed sleeve 8.
  • Fixed sleeve 8-position only engages in position. Thereby, the inner barrel 23 and the outer barrel 24 are uniquely positioned, and the sealing and blocking member of the inner barrel sealing mechanism 7 is lifted up to withstand the drain port 25 of the inner barrel, thereby achieving the effect of sealing the inner barrel 23 .
  • the inner tub 23 is positioned at the only position where the drain port 25 is opposite to the inner tub sealing mechanism 7, so that the sealing of the inner tub 23 is realized, and the space between the tubs can be reached during the washing and rinsing process.
  • Waterless self-cleaning effect moreover, the washing machine of the present invention can realize the positioning of the inner tub 23 by using the original deceleration mechanism and clutch mechanism of the washing machine.
  • the clutch mechanism of this embodiment is connected by the transmission between the power component 20 and the crank connecting rod mechanism, and the rotational output of the power component 20 is converted into reciprocating motion in the vertical direction through the crank connecting rod mechanism, and the crank connecting rod mechanism is in the vertical direction.
  • the reciprocating motion in the straight direction drives the fork 14 to toggle the reciprocating motion of the clutch sleeve 9 to switch the clutch.
  • This embodiment realizes the control of the shifting fork 14 to move the clutch sleeve 9 to each clutch position by controlling the rotation angle of the power component 20 , thereby improving the precise movement of the shifting fork, high reliability and simple overall structure.
  • the shift fork 14 can move the clutch sleeve 9 to multiple clutch positions, so as to realize the corresponding washing mode and ensure the washing effect of clothes.
  • the clutch sleeve 9 has a clutch.
  • the sleeve engaging convex part/clutch sleeve engaging concave part, the fixed sleeve 8 has a fixed sleeve engaging concave part/fixing sleeve engaging convex part, the clutch sleeve engaging convex part/clutch sleeve engaging concave part is engaged with the fixed sleeve engaging concave part/fixing sleeve engaging part
  • the protrusion has a unique engagement position for locking the inner tub 23 in the position where the drain opening 25 is opposite the inner tub sealing mechanism 7 .
  • the clutch sleeve 9 and the fixed sleeve 8 can be engaged in a unique position in the following manner:
  • the clutch sleeve engaging convex part/clutch sleeve engaging concave part is a meshing tooth/engaging groove provided on the clutch sleeve
  • the fixing sleeve engaging concave part/fixing sleeve engaging convex part is The meshing groove/mesh tooth is arranged on the fixed sleeve
  • the clutch sleeve is provided with a meshing tooth/mesh slot
  • the fixed sleeve is correspondingly provided with a meshing slot/mesh tooth
  • the meshing tooth/mesh slot of the clutch sleeve is the same as the
  • the engagement groove/teeth engagement of the retaining sleeve locks the inner tub in the position opposite the drain opening and the inner tub sealing mechanism.
  • a meshing tooth/mesh groove is provided on the clutch sleeve, and a meshing groove/mesh tooth is correspondingly set on the fixed sleeve. Only by corresponding cooperation between the two can realize the meshing and fixing of the clutch sleeve and the fixed sleeve.
  • the clutch sleeve engaging convex portion/clutch sleeve engaging concave portion is a meshing tooth/engaging groove provided on the clutch sleeve
  • the fixed sleeve engaging concave portion/fixing sleeve engaging convex portion For the meshing grooves/mesh teeth provided on the fixed sleeve, two non-co-diameter meshing teeth/mesh slots are set on the clutch sleeve, and two non-co-diameter meshing slots/mesh teeth are correspondingly set on the fixed sleeve.
  • the engagement teeth/engagement grooves of the clutch sleeve are engaged with the engagement grooves/engagement teeth of the fixed sleeve to lock the inner tub at the position where the drain outlet is opposite to the inner tub sealing mechanism.
  • two non-co-diameter meshing teeth/mesh grooves are set on the clutch sleeve, and two non-co-diameter meshing grooves/mesh teeth are correspondingly set on the fixed sleeve.
  • the clutch sleeve and the fixed sleeve in this embodiment have relatively simple structures and good stability.
  • the clutch sleeve engaging protrusion/clutch sleeve engaging recess are engaging teeth/engaging grooves provided on the clutch sleeve
  • the fixing sleeve engaging recess/fixing sleeve engaging protrusion For the meshing grooves/meshing teeth arranged on the fixed sleeve, at least three meshing teeth/meshing grooves are arranged on the clutch sleeve, and at least three meshing grooves/meshing grooves are arranged on the fixed sleeve correspondingly.
  • the meshing teeth are engaged with the meshing teeth/engaging grooves of the clutch sleeve and the meshing grooves/engaging teeth of the fixed sleeve to lock the inner tub at the position where the drain outlet is opposite to the sealing mechanism of the inner tub.
  • At least three meshing teeth/meshing grooves are arranged on the clutch sleeve with uneven distribution in the circumferential direction, and at least three meshing grooves/meshing teeth with uneven distribution in the circumferential direction are correspondingly arranged on the fixed sleeve.
  • the teeth/engaging grooves and the three meshing grooves/meshing teeth on the fixed sleeve need to correspond to each other before they can be engaged, so that the clutch sleeve 9 and the fixed sleeve 8 have only a unique meshing position.
  • the structure of the clutch sleeve and the fixed sleeve in this embodiment is relatively simple. , and the stability is good.
  • the fixed sleeve of the fixed sleeve 8 is engaged with the recessed part/fixed sleeve engaging convex part is set on the position.
  • the detection device 16 is used for detecting whether the engaging convex part of the clutch sleeve/the engaging concave part of the clutch sleeve and the engaging concave part of the fixing sleeve/the engaging convex part of the fixed sleeve are engaged in place.
  • the position detection device 16 of this embodiment may be a micro switch disposed on the inner bottom wall of the engaging recess of the fixed sleeve.
  • the engaging protrusion of the clutch sleeve and the engaging recess of the fixed sleeve triggers the the micro switch.
  • the washing machine of this embodiment includes a water collecting device disposed at the bottom of the inner tub, and the water collecting device has a water collecting chamber for collecting the drainage of the inner tub; the inner tub sealing mechanism is disposed on the bottom wall of the water collecting device, and the inner tub sealing mechanism includes The sealing driving member and the sealing blocking member, the sealing driving member drives the sealing blocking member to move upward to block the water outlet when the drainage port of the inner barrel is opposite to the inner barrel sealing mechanism, and the sealing driving member drives the sealing blocking member to move downward to open the drainage mouth.
  • the inner tub 23 of the washing machine in this embodiment is used as a water tub, and a water collecting device is provided outside the inner tub 23.
  • the water collecting device may be the outer tub 24 as shown in FIG. 2 and FIG. 3, or the outer tub 24 may not be provided.
  • There is a water collecting cavity to realize the function of temporarily storing water the height of the water collecting device is less than the height of the inner barrel 23, the water collecting device is located below the inner barrel 23 and is arranged coaxially with the inner barrel 23, and the upper opening of the water collecting device is lower than the inner barrel.
  • the dehydration hole of 23 is provided, and the wall of the inner barrel is provided with a drainage channel extending from top to bottom into the water collecting tank of the water collecting device, and the drainage channel is communicated with the dehydration hole on the inner barrel 23 .
  • the crank connecting rod mechanism described in this embodiment includes a transmission wheel 21 and a transmission rod 22 , the transmission wheel 21 is provided on the rotation output end of the power component 20 , and one end of the transmission rod 22 is eccentrically connected to the transmission rod 22 through a first hinge 23 .
  • the deceleration mechanism also includes an input shaft 11 sleeved inside the input shaft sleeve 13, and the deceleration mechanism includes a The torque transmission sleeve 10 on the input shaft 11 that rotates synchronously with it, the clutch sleeve 9 is located between the torque transmission sleeve 10 and the fixed sleeve 8:
  • the power component 20 has a first limit position.
  • the rotating output end of the power component 20 drives the transmission wheel 21 to rotate to the first position.
  • the transmission wheel 21 drives the transmission rod 22 to drive the fork 14 to toggle the clutch sleeve 9 and the torque transmission shaft.
  • Sleeve 10 engages;
  • the power component 20 has a second limit position.
  • the rotating output end of the power component 20 drives the transmission wheel 21 to rotate to the second position.
  • the transmission wheel 21 drives the transmission rod 22 to drive the fork 14 to toggle the clutch sleeve 9 and the fixed sleeve 8. mesh.
  • the first limit position of the power component 20 satisfies: when the rotation output end of the power component rotates to the first limit position, the transmission wheel drives the first hinge to move to the upper end of the transmission wheel in the vertical radial direction; so
  • the second limit position of the power component 20 satisfies: when the rotation output end of the power component rotates to the second limit position, the transmission wheel drives the first hinge to move to the lower end of the transmission wheel in the vertical radial direction.
  • the shift fork assembly described in this embodiment includes a fixed shift fork base 6, and the middle of the shift fork 14 is rotatably mounted on the shift fork base 6.
  • the shift fork 14 It has a drive end 18 connected to the transmission rod 22 and a fork end 17 connected to the clutch sleeve 9; the drive end 18 is fixedly provided with a transmission connection part 19, and the end of the transmission rod 22 passes through the second The hinge is connected to the transmission connecting part 19 .
  • the transmission connecting member 19 is a connecting bolt
  • the driving end 18 of the shifting fork 14 has a through hole
  • the connecting bolt passes through the through hole and is fixedly installed on the driving end through a nut.
  • Two hinges are arranged on the connecting bolts.
  • the washing machine described in this embodiment includes an outer tub 24 , the deceleration mechanism and the clutch mechanism are fixed on the mounting plate 3 on the bottom wall of the tub bottom of the outer tub 24 , and the deceleration mechanism further includes a casing fixed on the mounting plate 3 5.
  • the inside of the housing 5 has an inner chamber for accommodating the reduction gear train.
  • the fixing sleeve 8 in this embodiment is fixedly installed on the housing 5 , and the power component 20 is installed on the large mounting plate 3 .
  • the input shaft 11 described in this embodiment is provided with external splines on the outer circumference, the torque transmission sleeve 10 has internal splines, and the internal splines of the torque transmission sleeve 10 are fitted with the external splines of the input shaft 11 , the torque transmission shaft sleeve 10 rotates synchronously with the input shaft 11, the torque transmission shaft sleeve 10 has dehydration meshing teeth, the clutch sleeve 9 is provided with lower meshing teeth at one end close to the torque transmission shaft sleeve 10, and the The lower meshing teeth mesh with the dewatering meshing teeth of the torque transmission sleeve 10 , and the input shaft 11 and the input shaft sleeve 13 rotate synchronously.
  • the input shaft 11 of this embodiment is sleeved with a motor tightening nut 12 for fixedly connecting the input shaft and the rotor of the driving motor, and a buffer pad is provided on one end face of the torque transmission shaft sleeve 10 close to the driving motor 26 .
  • the input shaft sleeve 13 in this embodiment is sleeved with a clutch compression spring 15 for elastic reset engagement of the clutch sleeve 9 .
  • the clutch compression spring 15 is arranged between the clutch sleeve 9 and the bottom end face of the housing 5 .
  • the deceleration mechanism of this embodiment includes a braking wheel, and the input shaft sleeve 13 and the output shaft sleeve 2 are respectively fixedly connected to the braking wheel.
  • a pulsator is arranged in the inner tub 23 of the washing machine in this embodiment, and the output shaft 1 is fixedly connected to the pulsator.
  • this embodiment provides a shift fork driving device different from that of the first embodiment.
  • the outer tub of this embodiment is provided with a drain port, and a drain valve 27 for controlling the opening and closing of the drain port and a drain motor 28 for pulling the drain valve 27 are installed at the bottom of the outer tub.
  • One end is connected to the brake lever 4, the brake lever 4 is provided with a brake lever torsion spring, and the drain motor 28 is also connected to the brake lever 4.
  • the drain motor 28 is pulled to the drain valve 27 and the brake lever 4.
  • the fork 14 is controlled to swing by the brake lever 4 .
  • the drain motor 28 as shown in FIG. 4 operates, and while controlling the shift fork, the drain valve 27 on the outer tub can also be pulled to realize the drainage of the outer tub.
  • This embodiment provides a control method for a washing machine.
  • the washing machine executes a washing or rinsing procedure, and the power component of the control clutch mechanism drives the fork to move the clutch sleeve and the fixed sleeve through the crank connecting rod mechanism to engage with the fixed sleeve to lock the inner tub at the water outlet and the inner tub sealing mechanism.
  • the inner barrel sealing mechanism is controlled to seal the water outlet.
  • the washing machine includes a drive motor connected with the input shaft of the deceleration mechanism;
  • the position detection device detects the in-position signal, the water inflow process starts. If the position detection device does not detect When the in-position signal is engaged, the drive motor is controlled to rotate slowly until the position detection device detects the in-position signal;
  • the washing machine controls the driving motor to rotate slowly for the set time T0, and the position detection device still does not detect the engagement in-position signal, the current program is suspended.
  • the positioning process of the inner barrel the power component 20 rotates, pushes the transmission rod 22 through the transmission wheel 21, controls the fork 14 to swing, and the other end of the fork 14 pushes the clutch sleeve 9 and the fixed sleeve 8 upward to engage.
  • the clutch sleeve engaging convex part of the clutch sleeve 9 and the fixed sleeve engaging concave part of the fixed sleeve 8 are just aligned and can be smoothly engaged;
  • the engaging recesses of the fixed sleeve are not aligned.
  • the driving motor 26 needs to be energized and rotated slowly to drive the clutch sleeve 9 to rotate slowly until it can engage with the fixed sleeve 8 in place.
  • the clutch sleeve 9 rotates, it drives the inner barrel to rotate synchronously.
  • the drain opening 25 of the inner tub can just be aligned with the inner tub sealing mechanism 7 .
  • the position detection device When the clutch sleeve 9 and the fixed sleeve 8 are engaged, the position detection device will be compressed, and the signal will control the power of the drive motor 26 to complete the positioning process of the inner tub.
  • the clutch sleeve 9 and the fixed sleeve 8 are in an engaged state and cannot be rotated.
  • the outer ring teeth of the input shaft sleeve 13 mesh with the inner ring teeth of the clutch sleeve 9, and the input shaft sleeve 13 cannot rotate.
  • the output shaft sleeve 2 and the inner barrel 23 are also fixed and cannot rotate.
  • the water outlet 25 of the inner tub 23 and the inner tub sealing mechanism 7 on the outer tub are at the same position. At this time, the sealing and blocking member rises up, which can block the drain port 25 of the inner tub, thereby realizing the sealing of the inner tub.
  • the power component 20 rotates, pushes the transmission rod 22 through the transmission wheel 21, controls the shift fork 14 to swing, and the other end of the shift fork 14 leaves the clutch sleeve 9.
  • the clutch sleeve 9 is under the elastic force of the clutch compression spring 15, The downward movement is separated from the fixed sleeve 8 and engaged with the torque transmission sleeve 10 at the same time.
  • the inner tub can rotate synchronously with the input shaft to achieve dehydration.
PCT/CN2021/113474 2020-09-30 2021-08-19 一种洗衣机及其控制方法 WO2022068455A1 (zh)

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JP2023516045A JP2023545239A (ja) 2020-09-30 2021-08-19 洗濯機及びその制御方法

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CN204474981U (zh) * 2015-02-13 2015-07-15 合肥国荣科技洗涤设备有限公司 一种活塞式节水洗衣机
CN105986416A (zh) * 2015-01-30 2016-10-05 青岛海尔洗衣机有限公司 一种能定位内桶的减速离合器及洗衣机
CN106480667A (zh) * 2015-08-31 2017-03-08 青岛海尔洗衣机有限公司 一种内桶的排水控制机构及洗衣机
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GB2242444A (en) * 1990-03-30 1991-10-02 Toshiba Kk Washing machine
CN1384239A (zh) * 2001-05-08 2002-12-11 Lg电子株式会社 直接驱动的洗衣机
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