WO2018019257A1 - 洗衣机 - Google Patents

洗衣机 Download PDF

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Publication number
WO2018019257A1
WO2018019257A1 PCT/CN2017/094504 CN2017094504W WO2018019257A1 WO 2018019257 A1 WO2018019257 A1 WO 2018019257A1 CN 2017094504 W CN2017094504 W CN 2017094504W WO 2018019257 A1 WO2018019257 A1 WO 2018019257A1
Authority
WO
WIPO (PCT)
Prior art keywords
outer tub
tub
washing
rotating shaft
dewatering
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/CN2017/094504
Other languages
English (en)
French (fr)
Inventor
川上刚史
中西隆
吉田贤司
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.)
Qingdao Haier Washing Machine Co Ltd
Aqua Co Ltd
Original Assignee
Qingdao Haier Washing Machine Co Ltd
Aqua 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
Application filed by Qingdao Haier Washing Machine Co Ltd, Aqua Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Priority to CN201780038044.5A priority Critical patent/CN109563665B/zh
Publication of WO2018019257A1 publication Critical patent/WO2018019257A1/zh
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
    • D06F13/00—Washing machines having receptacles, stationary for washing purposes, with agitators therein contacting the articles being washed 
    • 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
    • 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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters

Definitions

  • the present invention relates to a washing machine.
  • Patent Document 1 discloses a washing machine including a support body that is disposed in an outer tub that can store water, and that is rotatable about a vertical support body rotation axis; The spherical washing tub is rotatably supported by the support body around the horizontal washing tub rotation axis, and the washing tub can be rotated in both the horizontal direction and the vertical direction.
  • the support body is rotationally driven by a motor.
  • An annular washing tub rolling guide is disposed on the inner side of the outer tub, and a washing tub rotating wheel is disposed on the rotating shaft of the washing tub.
  • the inside of the support body may be stored without providing the outer tub. That is, the support body may function as a water tank that can store water. In the case of adopting such a configuration, the number of parts can be reduced as compared with the case where the support body and the outer tub are provided.
  • Patent Document 1 Japanese Reissue No. 2010-055674
  • the washing tub and the water-storing support body rotate together during washing.
  • the washing tub since the support body and the washing tub are rotated by one motor, the washing tub can only perform the movement in conjunction with the support body. Therefore, when the inside of the support body can store water in the above-described washing machine, the number of parts can be reduced, but it is difficult to effectively use the movement of the support body after the water storage and the spherical washing tub to clean. Improved performance.
  • the present invention has been made in view of such a problem, and an object of the invention is to provide a washing machine capable of effectively utilizing the movement of a water-filled outer tub and a spherical washing and dewatering tub to improve cleaning performance.
  • a washing machine includes: an outer tub that is rotatably disposed in a housing centered on a first rotating shaft that is inclined in a vertical direction or a vertical direction, and can store water; a spherical washing and dewatering bucket is used along the a second rotating shaft tilted horizontally or horizontally rotatably disposed in the outer tub to accommodate laundry; an outer tub motor for rotating the outer tub; and a dewatering bucket motor for making The washing and dewatering tub rotates; and the control unit drives the dehydrating bucket motor while driving the tub motor during washing.
  • the outer tub can be rotated around the first rotating shaft to generate a water flow in the outer tub, and the washing and dewatering tub can be rotated around the first rotating shaft and the second rotating shaft to be stirred in the washing and dewatering tank. Washing.
  • the outer tub and the washing and dewatering tub are independently rotated by the outer tub motor and the dewatering tub motor, and therefore, various rotation operations can be performed between the outer tub and the washing and dewatering tub. Therefore, it is expected that the movement of the outer tub after the water storage and the spherical washing and dewatering bucket can be effectively utilized to improve the washing performance.
  • control unit may be configured to drive the dehydration drum motor in a state where the outer tub motor is stopped during dehydration.
  • the washing and dewatering tub is rotated around the second rotating shaft while the outer tub is stopped, and the laundry in the washing and dewatering tub is dehydrated, so that the outer tub and the washing and dewatering tub are integrally formed first.
  • the rotating shaft is rotated centrally and the laundry in the washing and dewatering tub is dehydrated, the driving load is small, and the power consumption is small.
  • a dewatering tub rotating shaft as the second rotating shaft may be provided in the washing and dewatering tub.
  • the outer tub is formed to cover the washing dewatering bucket to a spherical shape of more than half, and has a bearing fitting to which a bearing portion that rotatably supports the rotating shaft of the dewatering tub is attached.
  • the outer tub is divided into a first outer tub member and a second outer tub member, the split surface of which passes through the center portion of the outer tub and does not touch the bearing fitting.
  • the dewatering tub rotating shaft is disposed on both sides of the washing and dewatering tub, and the dewatering tub rotating shaft on one side is rotated by the dehydrating tub motor.
  • the bearing assembly is disposed on two sides of the outer tub, and the outer tub is opposite from a position above the bearing mounting interface on one side to a position below the bearing mounting interface on the other side
  • the second axis of rotation is obliquely divided.
  • the outer tub is formed to cover the washing dewatering bucket to a spherical shape of more than half, and therefore, the outer tub can be formed compactly. Further, since the outer tub is divided into the first outer tub member and the second outer tub member, the spherical outer tub can be easily formed. Further, since the divided surface of the outer tub is disposed through the center portion of the outer tub and does not touch the bearing fitting interface, it is easy to form the bearing fitting interface with a high cylindricity, and the bearing portion can be attached to the bearing fitting interface with high precision. Thereby, it is possible to prevent an offset or the like from occurring in the first rotating shaft, and it is possible to smoothly rotate the washing and dewatering tub around the first rotating shaft.
  • the wiring relay unit that relays the first electric wiring extending from the dehydrating drum motor and the second electric wiring extending from the control unit may be further provided.
  • an outer tub rotating shaft as the first rotating shaft is provided in the outer tub.
  • the wiring relay portion includes a rotating portion that rotates together with the outer tub rotating shaft, and an annular first terminal portion that is provided on an outer peripheral surface of the rotating portion and electrically connected to the first electric wiring a fixing portion disposed outside the rotating portion and not rotating together with the outer tub rotating shaft; a second terminal portion disposed at the fixing portion and electrically connected to the second electrical wiring; and conductive
  • the contact portion extends from the second terminal portion and is in contact with the first terminal portion, and slides on the first terminal portion when the rotating portion rotates.
  • the present invention it is possible to provide a washing machine capable of effectively utilizing the movement of the outer tub and the spherical washing and dewatering tub after water storage to improve the washing performance.
  • Fig. 1 is a front view of a fully automatic washing machine in which a casing of an embodiment is shown in a transparent state.
  • Fig. 2 (a) is a front cross-sectional view of the fully automatic washing machine of the embodiment
  • Fig. 2 (b) is an enlarged cross-sectional view showing a joint portion of the upper outer tub member and the lower outer tub member of the embodiment.
  • FIG. 3 is a perspective view of a washing and dewatering bucket in which a right dewatering bucket rotating shaft and a left dewatering tub rotating shaft are attached in an embodiment.
  • FIG. 4 (a) shows a state in which the right bearing portion and the right sealing member are removed as seen from above in the embodiment.
  • FIG. 4(b) is a perspective view of the upper outer tub member as viewed from below in the perspective view of the upper outer tub member.
  • Fig. 5 (a) is a perspective view of the lower outer tub member in a state in which the left bearing portion and the left seal member are removed as seen from above
  • Fig. 5 (b) is a perspective view of the lower tub member as viewed from below in the embodiment. .
  • Fig. 6 is an enlarged cross-sectional view showing a periphery of a wiring relay unit according to an embodiment.
  • Fig. 7 is a block diagram showing the configuration of a fully automatic washing machine according to an embodiment.
  • FIG. 8 is a flowchart showing a control process of the control unit of the outer tub motor and the dehydrator motor in the washing operation in the embodiment.
  • upper outer tub member (first outer tub member);
  • R1 vertical rotation axis (first rotation axis);
  • R2 horizontal rotation axis (second rotation axis);
  • Fig. 1 is a front view of the fully automatic washing machine 1 in a state in which the casing 10 of the present embodiment is shown in a transparent state.
  • Fig. 2 (a) is a front cross-sectional view of the fully automatic washing machine 1 of the present embodiment
  • Fig. 2 (b) is an enlarged cross-sectional view showing a joint portion of the upper outer tub member 20a and the lower outer tub member 20b of the present embodiment.
  • 3 is a perspective view of the washing and dewatering tub 30 to which the right dewatering tub rotating shaft 40a and the left dewatering tub rotating shaft 40b are attached in the present embodiment. (a) of FIG.
  • FIG. 4 is a perspective view of the upper outer tub member 20a in a state in which the right bearing portion 50a and the right seal member 55a are removed from the upper side
  • FIG. 4(b) is a view from below of the present embodiment.
  • a perspective view of the outer tub member 20a. (a) of FIG. 5 is a perspective view of the lower outer tub member 20b in a state in which the left bearing portion 50b and the left seal member 55b are removed from the upper side
  • FIG. 5(b) is a view from below of the present embodiment.
  • FIG. 6 is an enlarged cross-sectional view showing the periphery of the wiring relay unit 150 of the present embodiment.
  • the fully automatic washing machine 1 is provided with a casing 10 having a rectangular parallelepiped shape.
  • a circular opening portion 11 is formed in a central portion of the top surface of the casing 10.
  • a footrest 12 is provided at four corners of the bottom surface of the casing 10.
  • the outer tub 20 is rotatably disposed about a vertical rotation axis R1 along the vertical direction.
  • a spherical washing and dewatering tub 30 is disposed to be rotatable about the horizontal rotating shaft R2 in the horizontal direction.
  • the laundry is contained in the washing dewatering tank 30.
  • the vertical rotation axis R1 corresponds to the first rotation axis of the present invention
  • the horizontal rotation axis R2 corresponds to the second rotation axis of the present invention.
  • the washing and dewatering tub 30 includes a tub body 31 and an inner lid 32.
  • the tub body 31 is made of, for example, stainless steel or the like
  • the hemispherical upper member 33 and the lower member 34 formed of a metal material having excellent corrosion resistance are joined together, and the flange portions 33a and 34a are fixed to each other by welding or the like.
  • a plurality of dehydration holes 35 are formed in one surface of the tub body 31.
  • the barrel main body 31 is provided with a circular inner insertion opening 36, and the inner insertion opening 36 is opened and closed by the inner lid 32.
  • the inner lid 32 is formed of, for example, a resin and has a shape in which the protrusions are curved.
  • a handle portion 32a that can be grasped by a finger is formed at a central portion of the inner lid 32.
  • the portion of the inner side inlet port 36 of the tub body 31 is flat, and when the inner inlet port 36 is closed by the inner lid 32, the washing and dewatering tub 30 as a whole takes the shape of the sphere.
  • a right shaft mounting portion 37a formed as a vertical flat surface is provided at a center portion when viewed from the right.
  • a left shaft mounting portion 37b formed as a vertical flat surface is provided at a central portion when viewed from the left.
  • the right dewatering tub rotating shaft 40a is attached to the right shaft mounting portion 37a by a plurality of screws 41a
  • the left dewatering tub rotating shaft 40b is attached to the left shaft mounting portion 37b by a plurality of screws 41b.
  • the right dewatering tub rotating shaft 40a and the left dewatering tub rotating shaft 40b are horizontal rotating shafts R2. It should be noted that the right dewatering tub rotating shaft 40a and the left dewatering tub rotating shaft 40b correspond to the dehydrating tub rotating shaft of the present invention.
  • a plurality of baffles 38 are provided on the inner surface of the washing and dewatering tub 30, a plurality of baffles 38 are provided. Further, on the inner surface of the washing and dewatering tub 30, a right cover 39a for covering the screw 41a is attached to the position of the right shaft mounting portion 37a, and a left cover 39b for covering the screw 41b is attached to the left shaft mounting portion 37b.
  • the outer tub 20 is formed of, for example, a resin material, and has a spherical shape that covers the washing and dewatering tub 30 to more than half.
  • a circular outer insertion port 21 is formed in the outer tub 20 so as to cut the upper portion in the horizontal direction.
  • a circular right bearing fitting 22a is formed at a central portion when viewed from the right.
  • a right mounting portion 24a is provided around the right bearing fitting interface 22a.
  • the right mounting portion 24a is formed as a flat surface and has a plurality of screw mounting holes 23a.
  • a circular left bearing attachment port 22b is formed at a central portion when viewed from the left.
  • a left mounting portion 24b is provided around the left bearing fitting 22b, and the left mounting portion 24b is formed as a flat surface having a plurality of screw mounting holes 23b. It should be noted that the right bearing fitting interface 22a and the left bearing fitting interface 22b correspond to the bearing fitting interface of the present invention.
  • the outer tub 20 is divided into an upper outer tub member 20a and a lower outer tub member 20b, and the split surface D passes through the center portion of the outer tub 20 and does not touch the right bearing fitting 22a and the left bearing fitting 22b. That is, the outer tub 20 is obliquely divided with respect to the horizontal rotation axis R2 so as to be positioned from the position above the left bearing fitting 22b toward the position below the right bearing fitting 22a. Thereby, the upper outer tub member 20a is formed with the right
  • the bearing fitting interface 22a is formed with a left bearing fitting 22b in the lower outer tub member 20b.
  • the upper outer tub member 20a corresponds to the first outer tub member of the present invention
  • the lower outer tub member 20b corresponds to the second outer tub member of the present invention.
  • a plurality of screw insertion holes 25a are formed in the lower end surface of the upper outer tub member 20a.
  • Each of the screw insertion holes 25a is connected to a screw accommodating recess 25b formed on the outer surface of the upper outer tub member 20a.
  • a screw attachment hole 25c is formed at a position directly below the right bearing attachment port 22a of the lower end surface of the upper outer tub member 20a, and is not a screw insertion hole 25a.
  • an annular fitting rib 26a is formed on the lower end surface of the upper outer tub member 20a. It should be noted that in Fig. 4(a), only one screw accommodating recess 25b has a shape indicated by a broken line.
  • a right bearing portion 50a is attached to the right bearing fitting 22a of the upper outer tub member 20a.
  • the right bearing portion 50a includes a cylindrical bearing housing 51a and a rolling bearing 52a housed in the bearing housing 51a.
  • An annular mounting flange 54a having a plurality of screw insertion holes 53a is formed in the bearing housing 51a.
  • the right bearing portion 50a is inserted into the right bearing fitting 22a from the outside in a state in which the annular right sealing member 55a is attached to the front side.
  • the mounting flange 54a is fixed to the screw attachment hole 23a of the right attachment portion 24a by a plurality of screws 56a, and the right bearing portion 50a is fixed to the right bearing attachment interface 22a.
  • the water leakage from the right bearing fitting 22a is prevented by the water sealing function of the right sealing member 55a.
  • the right bearing portion 50a corresponds to the bearing portion of the present invention.
  • a plurality of screw attachment holes 25c are formed in the upper end surface of the lower outer tub member 20b.
  • the screw insertion hole 25a is formed at a position corresponding to the screw attachment hole 25c of the upper outer tub member 20a at the upper end surface of the lower outer tub member 20b, and is not the screw attachment hole 25c.
  • the screw insertion hole 25a is connected to a screw accommodating recess 25b formed on the outer surface of the lower outer tub member 20b.
  • an annular fitting groove portion 26b is formed on the upper end surface of the lower outer tub member 20b.
  • a left bearing portion 50b is attached to the left bearing fitting 22b of the lower outer tub member 20b.
  • the left bearing portion 50b includes a cylindrical bearing housing 51b and a rolling bearing 52b housed in the bearing housing 51b.
  • An annular mounting flange 54b having a plurality of screw insertion holes 53b is formed in the bearing housing 51b.
  • the left bearing portion 50b is inserted into the left bearing attachment port 22b from the outside in a state in which the annular left sealing member 55b is attached to the front side.
  • the mounting flange 54b is fixed to the screw attachment hole 23b of the left attachment portion 24b by a plurality of screws 56b, and the left bearing portion 50b is fixed to the left bearing attachment interface 22b.
  • the water leakage from the left bearing fitting 22b can be prevented by the water sealing function of the left sealing member 55b.
  • the upper outer tub member 20a to which the right bearing portion 50a is attached and the lower outer tub member 20b to which the left bearing portion 50b is attached are coupled in a spherical shape from the vertical direction.
  • the fitting rib 26a is fitted to the fitting groove portion 26b, and the screw
  • the insertion hole 25a matches the screw mounting hole 25c.
  • the upper outer tub member 20a and the lower outer tub member 20b are fixed to the outer tub 20 by fixing the screw 27 inserted into the screw accommodating recess 25b through the screw insertion hole 25a to the screw mounting hole 25c. As shown in Fig.
  • a labyrinth seal is formed by fitting the fitting rib 26a and the fitting groove portion 26b, and the joint portion from the upper outer tub member 20a and the lower outer tub member 20b, that is, the outer tub is prevented.
  • the split surface D of 20 leaks. It should be noted that by providing a packing between the upper outer tub member 20a and the lower outer tub member 20b, the water sealing function can be further improved. It should be noted that the left bearing portion 50b corresponds to the bearing portion of the present invention.
  • the washing and dewatering tub 30 is housed in the outer tub 20.
  • the right dewatering tub rotating shaft 40a and the left dehydrating tub rotating shaft 40b are inserted into the right bearing portion 50a and the left bearing portion 50b, respectively, and are rotatably supported by the right bearing portion 50a and the left bearing portion 50b.
  • the outer side insertion opening 21 of the outer tub 20 is opened and closed by, for example, a transparent outer cover 60 formed of a resin material.
  • the outer cover 60 is exposed to the upper side of the casing 10 through the opening portion 11.
  • the outer cover 60 and the outer tub 20 are coupled by a hinge portion 61, and the outer cover 60 is rotated about the hinge portion 61.
  • a latch portion 62 is provided at a position on the opposite side of the hinge portion 61 from the hinge portion 61, and the latch portion 62 is held in a state in which the outer cover 60 is closed. When a predetermined operation of opening the latch portion 62 is performed, the outer cover 60 is opened.
  • the washing and dewatering tub 30 is rotationally driven by the dewatering bucket motor 70.
  • the dewatering drum motor 70 is, for example, an outer rotor type motor including a rotor 71 and a stator 72.
  • the rotor 71 is fixed to the tip end portion of the right dewatering bucket rotating shaft 40a that protrudes outward of the outer tub 20, and the stator 72 is fixed to the rear portion of the right bearing portion 50a.
  • a disk-shaped shaft attachment portion 28 having a plurality of screw attachment holes 28a is formed in the center of the bottom of the outer tub 20, and a drain port 29 is formed on the side of the shaft attachment portion 28.
  • a mounting plate 80 having a predetermined shape is fixed to the shaft attachment portion 28, and the outer tub rotating shaft 90 is fixed to the shaft mounting portion 28 via a mounting plate 80.
  • the outer tub rotating shaft 90 is a vertical rotating shaft R1.
  • a drain device 100 for draining water from the inside of the tub 20 is fixed to the mounting plate 80.
  • the drain device 100 includes a drain pipe 102 having a drain valve 101, and a torque motor 103 that rotates the drain valve 101.
  • One end portion 102a of the drain pipe 102 is connected to the drain port 29, and the other end portion 102b is connected to a drain hose (not shown).
  • the outer tub rotating shaft 90 is rotatably supported by the outer tub bearing portion 110.
  • the outer tub bearing portion 110 includes a bearing housing 111, an upper rolling bearing 112, and a lower rolling bearing 113, and are disposed in the bearing housing 111 at a predetermined interval in the vertical direction.
  • the outer tub bearing portion 110 is attached to a square plate-shaped outer tub mounting plate 120 disposed at the bottom of the casing 10.
  • the outer tub mounting plate 120 is elastically supported by the vibration isolating device 130 attached to its four corners.
  • the outer tub 20 is rotationally driven by the outer tub motor 140.
  • the outer tub motor 140 is, for example, an outer rotor type motor, and includes The rotor 141 and the stator 142 are included.
  • the rotor 141 is fixed to a distal end portion of the outer tub rotating shaft 90 that protrudes downward from the outer tub bearing portion 110, and the stator 142 is fixed to a lower portion of the outer tub bearing portion 110.
  • a wiring repeating portion 150 is provided above the outer tub bearing portion 110.
  • the wiring relay unit 150 has a plurality of first electric wires 160a extending from the electric component that rotates together with the outer tub 20, such as the dehydration drum motor 70 and the torque motor 103, and a plurality of second electric wires extending from a control unit to be described later. 160b is relayed.
  • first electric wiring 160a corresponds to the first electric wiring of the present invention
  • the second electric wiring 160b corresponds to the second electric wiring of the present invention.
  • the wiring relay unit 150 includes a rotating portion 151, a fixing portion 152, a plurality of rotating terminal portions 153, a plurality of first connection wires 154, a plurality of fixed terminal portions 155, and a plurality of second connection wires 156.
  • the rotation terminal portion 153 corresponds to the first terminal portion of the present invention
  • the fixed terminal portion 155 corresponds to the second terminal portion of the present invention
  • the contact brush 157 corresponds to the contact portion of the present invention.
  • the rotating portion 151 is formed in a cylindrical shape from an insulating material such as resin, and is fixed to the outer tub rotating shaft 90 and rotates together with the outer tub rotating shaft 90.
  • a plurality of annular terminal grooves 151a are formed on the outer circumferential surface of the rotating portion 151 at a predetermined interval in the vertical direction.
  • the rotation terminal portion 153 is formed in a ring shape from a conductive metal material, and is disposed in the terminal groove 151a.
  • a wiring insertion hole 151b that is connected to the back side of each of the rotation terminal portions 153 is formed at a predetermined position of the rotating portion 151 from the upper surface toward the lower side.
  • Each of the first connection wirings 154 inserted into the wiring insertion hole 151b is connected to each of the rotation terminal portions 153.
  • Each of the first connection wires 154 is connected to each of the first electric wires 160a via a connector 161a.
  • each of the rotation terminal portions 153 is electrically connected to each of the first electric wires 160a via the respective first connection wires 154.
  • the fixing portion 152 is formed in a cylindrical shape from an insulating material such as resin, and surrounds the outer circumference of the rotating portion 151 .
  • the fixing portion 152 is coupled to the rotating portion 151 via the upper rolling bearing 158a and the lower rolling bearing 158b. Thereby, the rotating portion 151 is free to rotate with respect to the fixed portion 152.
  • a mounting piece 152b having a screw insertion hole 152a is provided on the bottom surface of the fixing portion 152.
  • the attachment piece 152b is fixed to the upper portion of the outer tub bearing portion 110 by screws 159, whereby the fixing portion 152 is fixed to the outer tub bearing portion 110. Thereby, even if the outer tub rotating shaft 90 rotates, the fixing portion 152 does not rotate.
  • Each of the fixed terminal portions 155 is disposed at a predetermined interval in the vertical direction so as to face the respective rotation terminal portions 153 on the inner circumferential surface of the fixing portion 152.
  • Each of the fixed terminal portions 155 is formed of a conductive metal material.
  • a wiring insertion hole 152c that is connected to the back side of each of the fixed terminal portions 155 is formed from the lower surface toward the upper side.
  • Each of the fixed terminal portions 155 is connected to each of the insertion wiring insertion holes 152c.
  • the second connection wiring 156 is connected to each of the second electric wires 160b via the connector 161b. In other words, each of the fixed terminal portions 155 is electrically connected to each of the second electric wires 160b via the second connection wires 156.
  • Each of the contact brushes 157 is attached to the surface of each of the fixed terminal portions 155.
  • Each of the contact brushes 157 is formed of a plurality of conductive metal wires, and its tip end portion is in contact with the corresponding rotary terminal portion 153.
  • FIG. 7 is a block diagram showing the configuration of the fully automatic washing machine 1 of the present embodiment.
  • the fully automatic washing machine 1 further includes a water supply device 170, an operation unit 180, a water level sensor 190, a control unit 200, and a storage unit 210.
  • the water supply device 170 includes a water supply pipe, a water supply valve, and the like, and supplies water into the outer tub 20.
  • the operation unit 180 includes an operation button for turning on and off the power of the fully automatic washing machine 1, a start button for starting the operation, a selection button for selecting an operation mode, and the like, and an operation to be operated by the user.
  • the input signal corresponding to the button is output to the control unit 200.
  • the water level sensor 190 detects the water level in the outer tub 20, and outputs a water level detection signal corresponding to the detected water level to the control unit 200.
  • the storage unit 210 includes an EEPROM (Electrically Erasable Programmable Read-Only Memory), a RAM (Random Access Memory), and the like.
  • a program for executing a washing operation of various operation modes is stored in the storage unit 210. Further, various parameters and various control flags for executing these programs are stored in the storage unit 210.
  • the control unit 200 includes a control circuit including a CPU, a drive circuit, and the like, and supplies the dehydration drum motor 70, the tub motor 140, and the water supply according to the program stored in the storage unit 210 based on the signals from the operation unit 180, the water level sensor 190, and the like. The operation of the device 170, the drain device 100, and the like is controlled.
  • the washing operation in various operation modes is performed.
  • the washing process the intermediate dehydration process, the rinsing process, and the final dehydration process are sequentially performed.
  • the specified water level L is the position where the washing and dewatering tank 30 is immersed in the water, and can be set to be smaller than the washing.
  • the center position of the water tub 30, that is, the position where the position of the horizontal rotation axis R2 is low. It should be noted that during the washing process, the stored water contains detergent.
  • the tub motor 140 In a state where water is stored in the outer tub 20, the tub motor 140 is driven to rotate in one direction, the outer tub 20 is horizontally rotated horizontally about the vertical rotation axis R1, and the washing and dewatering tub 30 is horizontally rotated integrally with the outer tub 20. Further, the dehydration tub motor 70 is driven to alternately rotate in the forward direction and the reverse direction, and the movements of the washing and dewatering tub 30 and the tub 20 are alternately vertically rotated in the positive direction and the reverse direction, respectively, centering on the horizontal rotation axis R2.
  • the water flow is generated in the outer tub 20 by the horizontal rotation of the outer tub 20, wherein the laundry that is stirred in the washing and dewatering tub 30 performs complicated movement by horizontally rotating the washing and dewatering tub 30 and rotating vertically in the reverse direction. Thereby, the water flow generated in the outer tub 20 interacts with the complicated movement of the laundry, so that the laundry is well washed or rinsed.
  • the washing and dewatering tub 30 is spherical, since the circumferential surface is also arcuate in the direction of the horizontal rotating shaft R2, the laundry located at both end portions in the washing and dewatering tub 30 becomes easy to be placed. Above the water surface, the laundry at both ends becomes difficult to be soaked in water.
  • the outer tub 20 since the outer tub 20 is horizontally rotated, the water on the outer peripheral side gradually rises by the centrifugal force, and it becomes easy for the water to spread over the laundry at both ends.
  • the washing and dewatering tub 30 is vertically rotated at a high speed in a state where the outer tub 20 is stopped.
  • the laundry is dehydrated by the centrifugal force generated in the washing dewatering tank 30.
  • FIG. 8 is a flowchart showing a control process of the control unit 200 of the washing machine to the outer tub motor 140 and the dehydrating tub motor 70 in the washing operation according to the present embodiment.
  • the control section 200 makes the outer tub motor 140 unidirectionally rotated based on the judgment of the washing or rinsing control (S101: YES) (S102), and reversely rotates the dehydrating tub motor 70 (S103).
  • the outer tub 20 is rotated horizontally in one direction
  • the washing and dewatering tub 30 is horizontally rotated and alternately rotated vertically in the forward direction and the reverse direction.
  • control unit 200 stops the operations of the tub motor 140 and the dehydration bucket motor 70 (S105).
  • the control unit 200 does not judge based on the control of the washing or rinsing, but based on the determination of the dehydration control (S101: NO), the state in which the tub motor 140 is kept stopped.
  • the dehydration drum motor 70 is rotated at a high speed in one direction (S106). Washing as mentioned above The dewatering bucket 30 is rotated vertically in one direction at a high speed.
  • the control unit 200 stops the operation of the dehydration drum motor 70 (S108).
  • the outer tub 20 can be horizontally rotated to generate a water flow in the outer tub 20, and the washing and dewatering tub 30 can be horizontally rotated and vertically rotated to stir the laundry in the washing and dewatering tub 30. Further, since the outer tub 20 and the washing and dewatering tub 30 are independently rotated by the outer tub motor 140 and the dehydrating tub motor 70, various rotation operations can be performed between the outer tub 20 and the washing and dewatering tub 30.
  • the washing and dewatering tub 30 by rotating the washing and dewatering tub 30 in the forward and reverse directions during the one-way rotation of the outer tub 20, the movement of the laundry that is stirred in the washing and dewatering tub 30 becomes complicated, and the water flow generated in the outer tub 20 is The complex movements of the laundry interact so that the laundry is well washed, or rinsed.
  • the dewatering tub motor 70 is rotated at a high speed while the outer tub motor 140 is kept stopped, and the washing and dewatering tub 30 is vertically rotated at a high speed in a state where the outer tub 20 is stopped, and is in the washing dewatering tub 30.
  • the washing is subjected to dehydration, and therefore, the washing tub 10 is washed at a high speed by integrally rotating the tub 20 with the washing and dewatering tub 30 at a high speed by rotating the tub motor 140 at a high speed while the dehydrating tub motor 70 is kept stopped.
  • the driving load is small, and the power consumption is small.
  • the outer tub 20 is formed to cover the washing and dewatering tub 30 to a spherical shape of more than half, and therefore, the outer tub 20 can be formed compactly. Further, since the outer tub 20 is divided into the upper outer tub member 20a and the lower outer tub member 20b, the spherical outer tub 20 can be easily formed.
  • the imaginary plane including the division face D of the outer tub 20 is inclined with respect to the horizontal rotation axis R2 in such a manner as to pass through the center portion of the outer tub 20 and not touching the right bearing fitting 22a and the left bearing fitting 22b. Since it is provided, it is easy to form the right bearing fitting 22a and the left bearing fitting 22b in a high cylindricity, and the right bearing portion 50a and the left bearing portion 50b can be attached to the right bearing fitting 22a and the left with high precision, respectively. Bearing mounting interface 22b. Thereby, it is possible to prevent an offset or the like from occurring in the horizontal rotation axis R2, and the washing and dewatering tub 30 can be smoothly rotated vertically. It should be noted that the central portion of the outer tub 20 refers to a point at which the vertical rotation axis R1 intersects with the horizontal rotation axis R2.
  • the split surface D relates to the right bearing fitting 22a and the left bearing fitting 22b.
  • the right bearing fitting 22a and the left bearing fitting 22b are separately formed on the upper outer tub member 20a and the lower outer tub member 20b, and thus, the right side is formed by the combination of the upper outer tub member 20a and the lower outer tub member 20b.
  • the bearing fitting 22a and the left bearing fitting 22b are provided, it is difficult to obtain a high cylindricity. Thereby, when the horizontal rotation axis R2 is displaced, it becomes impossible to smoothly rotate the washing and dewatering tub 30 vertically.
  • the plurality of first electric wires 160a extending from the electric component that rotates together with the outer tub 20, such as the dehydrating drum motor 70 and the torque motor 103, and the extension from the control unit 200 are passed through the wire relay unit 150.
  • the plurality of second electric wirings 160b are relayed, and therefore, it is possible to prevent the electric wiring from being entangled in the outer tub 20 when the outer tub 20 is rotated.
  • the outer tub 20 is rotated about the vertical rotation axis R1, and the washing and dewatering tub 30 is rotated about the horizontal rotation axis R2.
  • the outer tub 20 is rotated about a rotation axis that is inclined from the vertical direction.
  • the washing and dewatering tub 30 is rotated about a rotation axis that is inclined in the horizontal direction.
  • the outer tub 20 is horizontally rotated in one direction during the washing process or the rinsing process.
  • the rotation speed of the tub motor 140, that is, the tub 20 may be changed to change the speed of the water flow in the tub 20.
  • the outer tub motor 140 and the dewatering bucket motor 70 are external rotor type motors, but they may be inner rotor type motors.
  • the outer tub 20 is obliquely divided with respect to the horizontal rotation axis R2 so as to be positioned from the position above the left bearing fitting 22b toward the position below the right bearing fitting 22a.
  • the outer tub 20 may be obliquely divided with respect to the horizontal rotation axis R2 so as to be positioned from the position above the right bearing fitting 22a toward the position below the left bearing fitting 22b. That is, if the split surface D passes through the center portion of the outer tub 20 and does not touch the right bearing fitting 22a and the left bearing fitting 22b, the position of the split surface D can be appropriately changed.
  • the division surface D is provided above the water level L of the water stored in the outer tub 20. From this point of view, the outer tub 20 is divided into a position slightly upward from the position above the left bearing fitting 22b (right bearing fitting 22a) toward the position below the right bearing fitting 22a (left bearing fitting 22b). it is good.
  • the fully automatic washing machine 1 is exemplified in the above embodiment, the present invention can also It is suitable for fully automatic washing and drying machine with drying function in addition to washing function.

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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)

Abstract

一种能有效利用蓄水后的外桶（20）和球状的洗涤脱水桶（30）的运动来谋求清洗性能的提高的洗衣机（1）。全自动洗衣机（1）具备：外桶（20），以垂直旋转轴（R1）为中心可旋转地配置在壳体（10）内，并能蓄水；球状的洗涤脱水桶（30），以水平旋转轴（R2）为中心可旋转地配置在外桶（20）内，容纳洗涤物；外桶电机（140），用于使外桶（20）旋转；脱水桶电机（70），用于使洗涤脱水桶（30）旋转；以及控制部（200），洗涤时，一边使外桶电机（140）进行驱动一边使脱水桶电机（70）进行驱动。

Description

洗衣机 技术领域
本发明涉及一种洗衣机。
背景技术
以往，已知有一种容纳洗涤物且进行洗涤、漂洗以及脱水的洗涤脱水桶形成为球状的洗衣机。作为这种洗衣机的一种，例如，在专利文献1中公开了如下洗衣机，即，具备：支承体，配置于能蓄水的外桶内，以垂直的支承体旋转轴为中心自由旋转；以及球状的洗涤桶，由支承体以水平的洗涤桶旋转轴为中心自由旋转地支承，洗涤桶能在水平方向和垂直方向这两个方向旋转。
在专利文献1的洗衣机中，支承体由电机旋转驱动。在外桶的内侧设置有环状的洗涤桶滚动导轨，在洗涤桶旋转轴设置有洗涤桶旋转轮。当通过电机的旋转而使洗涤桶与支承体一起在水平方向旋转时，洗涤桶旋转轮在洗涤桶滚动导轨上滚动，洗涤桶也在垂直方向旋转。
在专利文献1的洗衣机中，也可以不设置外桶，而使支承体的内侧蓄水。即，也可以使支承体作为能蓄水的外桶发挥作用。在采用了这种构成的情况下，与设置支承体和外桶相比，能减少零件件数。
现有技术文献
专利文献
专利文献1：日本再表2010-055674号公报
发明内容
发明所要解决的问题
在上述的洗衣机中，在使支承体的内侧能蓄水的情况下，洗涤时，洗涤桶和蓄水后的支承体会一起旋转。然而，在上述的洗衣机中，由于是通过一个电机使支承体和洗涤桶旋转的构成，因此洗涤桶只能进行与支承体连动的运动。由此，在上述的洗衣机中使支承体的内侧能蓄水的情况下，虽然能谋求零件件数的削减，但难以有效利用蓄水后的支承体和球状的洗涤桶的运动来谋求清洗 性能的提高。
本发明是鉴于这种问题而完成的，其目的在于，提供一种能有效利用蓄水后的外桶和球状的洗涤脱水桶的运动来谋求清洗性能的提高的洗衣机。
用于解决问题的方案
本发明的主要方案的洗衣机具备：外桶，以沿着垂直方向或从垂直方向倾斜的第一旋转轴为中心可旋转地配置在壳体内，并能蓄水；球状的洗涤脱水桶，以沿着水平方向或从水平方向倾斜的第二旋转轴为中心可旋转地配置在所述外桶内，容纳洗涤物；外桶电机，用于使所述外桶旋转；脱水桶电机，用于使所述洗涤脱水桶旋转；以及控制部，洗涤时，一边使所述外桶电机进行驱动一边使所述脱水桶电机进行驱动。
根据上述的构成，能使外桶以第一旋转轴为中心旋转而在外桶内产生水流，并且能使洗涤脱水桶以第一旋转轴以及第二旋转轴为中心旋转而在洗涤脱水桶内搅拌洗涤物。并且，外桶以及洗涤脱水桶通过外桶电机以及脱水桶电机各自独立地旋转动作，因此，能在外桶以及洗涤脱水桶之间进行各种旋转动作。由此，能期待有效利用蓄水后的外桶和球状的洗涤脱水桶的运动来提高清洗性能。
在本方案的洗衣机中，所述控制部可以采用如下构成：脱水时，在使所述外桶电机停止的状态下使所述脱水桶电机驱动。
根据上述的构成，在外桶停止的状态下使洗涤脱水桶以第二旋转轴为中心旋转而对洗涤脱水桶内的洗涤物进行脱水，因此，与使外桶和洗涤脱水桶一体地以第一旋转轴为中心旋转而对洗涤脱水桶内的洗涤物进行脱水的情况相比，驱动负荷小即可，耗电小即可。
在本方案的洗衣机中，可以在所述洗涤脱水桶设置作为所述第二旋转轴的脱水桶旋转轴。该情况下，所述外桶形成为将所述洗涤脱水桶覆盖到一半以上的球状，并且具有装接有自由旋转地支承所述脱水桶旋转轴的轴承部的轴承装接口。而且，所述外桶分割为第一外桶构件和第二外桶构件而构成，其分割面通过所述外桶的中心部并且不触及所述轴承装接口。
更具体而言，所述脱水桶旋转轴设置于所述洗涤脱水桶的两侧，一侧的所述脱水桶旋转轴通过所述脱水桶电机进行旋转。所述轴承装接口设置于所述外桶的两侧，所述外桶以从一侧的所述轴承装接口的上方的位置朝向另一侧的所述轴承装接口的下方的位置的方式相对于所述第二旋转轴被倾斜地分割。
根据上述的构成，外桶形成为将洗涤脱水桶覆盖到一半以上的球状，因此，能紧凑地形成外桶。并且，外桶分割为第一外桶构件和第二外桶构件而构成，因此，能容易地制成球状的外桶。而且，外桶的分割面设置为通过外桶的中心部并且不触及轴承装接口，因此，容易以高圆柱度的方式形成轴承装接口，能将轴承部高精度地装接于轴承装接口。由此，能防止在第一旋转轴产生偏移等，能使洗涤脱水桶以第一旋转轴为中心顺畅地旋转。
在本方案的洗衣机中，可以采用如下构成：还具备将从所述脱水桶电机延伸的第一电气布线和从所述控制部延伸的第二电气布线进行中继的布线中继部。该情况下，在所述外桶设置有作为所述第一旋转轴的外桶旋转轴。然后，所述布线中继部包括：旋转部，与所述外桶旋转轴一起旋转；环状的第一端子部，设置于所述旋转部的外周面，与所述第一电气布线电连接；固定部，配置于所述旋转部的外侧，不与所述外桶旋转轴一起旋转；第二端子部，设置于所述固定部，与所述第二电气布线电连接；以及导电性的接触部，从所述第二端子部延伸并与所述第一端子部接触，当所述旋转部旋转时在所述第一端子部上滑动。
根据上述的构成，能防止外桶旋转时电气布线向外桶缠绕。
发明效果
根据本发明，能提供一种能有效利用蓄水后的外桶和球状的洗涤脱水桶的运动来谋求清洗性能的提高的洗衣机。
本发明的效果以及意义通过以下所示的实施方式的说明会更进一步明确。不过，以下的实施方式终究是实施本发明时的一个例示，本发明不受以下的实施方式所记载的内容的任何限制。
附图说明
图1是实施方式的壳体表示为透明状态的全自动洗衣机的主视图。
图2(a)是实施方式的全自动洗衣机的主视剖面图，图2(b)是实施方式的上外桶构件与下外桶构件的结合部分的放大剖面图。
图3是实施方式的安装有右脱水桶旋转轴以及左脱水桶旋转轴的洗涤脱水桶的立体图。
图4(a)是实施方式的从上方观察卸下了右轴承部以及右密封构件的状态 的上外桶构件的立体图，图4(b)是实施方式的从下方观察上外桶构件的立体图。
图5(a)是实施方式的从上方观察卸下了左轴承部以及左密封构件的状态的下外桶构件的立体图，图5(b)是实施方式的从下方观察下外桶构件的立体图。
图6是实施方式的布线中继部的周边的放大剖面图。
图7是表示实施方式的全自动洗衣机的构成的框图。
图8是表示实施方式的洗涤运转中的控制部对外桶电机以及脱水桶电机的控制处理的流程图。
附图标记说明
1：全自动洗衣机(洗衣机)；
10：壳体；
20：外桶；
20a：上外桶构件(第一外桶构件)；
20b：下外桶构件(第二外桶构件)；
22a：右轴承装接口(轴承装接口)；
22b：左轴承装接口(轴承装接口)；
30：洗涤脱水桶；
40a：右脱水桶旋转轴(脱水桶旋转轴)；
40b：左脱水桶旋转轴(脱水桶旋转轴)；
50a：右轴承部(轴承部)；
50b：左轴承部(轴承部)；
70：脱水桶电机；
140：外桶电机；
150：布线中继部；
151：旋转部；
152：固定部；
153：旋转端子部(第一端子部)；
155：固定端子部(第二端子部)；
157：接触刷(接触部)；
160a：第一电气布线(第一的电气布线)；
160b：第二电气布线(第二的电气布线)；
200：控制部；
R1：垂直旋转轴(第一旋转轴)；
R2：水平旋转轴(第二旋转轴)；
D：分割面。
具体实施方式
以下，参照附图，对作为本发明的洗衣机的一实施方式的全自动洗衣机1进行说明。
图1是本实施方式的壳体10表示为透明状态的全自动洗衣机1的主视图。图2(a)是本实施方式的全自动洗衣机1的主视剖面图，图2(b)是本实施方式的上外桶构件20a与下外桶构件20b的结合部分的放大剖面图。图3是本实施方式的安装有右脱水桶旋转轴40a以及左脱水桶旋转轴40b的洗涤脱水桶30的立体图。图4(a)是本实施方式的从上方观察卸下了右轴承部50a以及右密封构件55a的状态的上外桶构件20a的立体图，图4(b)是本实施方式的从下方观察上外桶构件20a的立体图。图5(a)是本实施方式的从上方观察卸下了左轴承部50b以及左密封构件55b的状态的下外桶构件20b的立体图，图5(b)是本实施方式的从下方观察下外桶构件20b的立体图。图6是本实施方式的布线中继部150的周边的放大剖面图。
参照图1至图6，全自动洗衣机1具备构成外观的长方体形状的壳体10。在壳体10的顶面的中央部形成有圆形的开口部11。此外，在壳体10的底面的四角设置有脚台12。
在壳体10内，以沿着垂直方向的垂直旋转轴R1为中心自由旋转地配置有外桶20。在外桶20内，以沿着水平方向的水平旋转轴R2为中心自由旋转地配置有球状的洗涤脱水桶30。在洗涤脱水桶30内容纳洗涤物。需要说明的是，垂直旋转轴R1相当于本发明的第一旋转轴，水平旋转轴R2相当于本发明的第二旋转轴。
洗涤脱水桶30包括桶主体31和内盖32。桶主体31通过将例如由不锈钢等 耐腐蚀性优异的金属材料形成的半球状的上构件33以及下构件34结合，并利用焊接等将其凸缘部33a、34a彼此固定而形成。在桶主体31的一面形成有许多脱水孔35。此外，在桶主体31设置有圆形的内侧投入口36，内侧投入口36通过内盖32进行开闭。内盖32例如由树脂形成，具有突起弯曲的形状。在内盖32的中央部，形成有能用手指抓住的把手部32a。桶主体31的内侧投入口36的部分平坦，在内侧投入口36由内盖32关闭时，洗涤脱水桶30作为整体取得球体的形状。
在洗涤脱水桶30的右侧，在从右方观察时的中心部设置有形成为垂直的平坦面的右轴安装部37a。此外，在洗涤脱水桶30的左侧，在从左方观察时的中心部设置有形成为垂直的平坦面的左轴安装部37b。在右轴安装部37a通过多个螺钉41a安装有右脱水桶旋转轴40a，在左轴安装部37b通过多个螺钉41b安装有左脱水桶旋转轴40b。右脱水桶旋转轴40a以及左脱水桶旋转轴40b为水平旋转轴R2。需要说明的是，右脱水桶旋转轴40a以及左脱水桶旋转轴40b相当于本发明的脱水桶旋转轴。
在洗涤脱水桶30的内表面，设置有多个折流板(Buffle)38。此外，在洗涤脱水桶30的内表面，在右轴安装部37a的位置安装有用于遮盖螺钉41a的右罩39a，在左轴安装部37b的位置安装有用于遮盖螺钉41b的左罩39b。
外桶20例如由树脂材料形成，具有将洗涤脱水桶30覆盖到一半以上的球状。在外桶20以在水平方向切断上部的方式形成有圆形的外侧投入口21。在外桶20的右侧，在从右方观察时的中心部形成有圆形的右轴承装接口22a。在外桶20的外表面，在右轴承装接口22a的周围设置有右安装部24a，该右安装部24a形成为平坦面，具有多个螺钉安装孔23a。此外，在外桶20的左侧，在从左方观察时的中心部形成有圆形的左轴承装接口22b。在外桶20的外表面，在左轴承装接口22b的周围设置有左安装部24b，该左安装部24b形成为平坦面，具有多个螺钉安装孔23b。需要说明的是，右轴承装接口22a以及左轴承装接口22b相当于本发明的轴承装接口。
外桶20分割为上外桶构件20a和下外桶构件20b而构成，其分割面D通过外桶20的中心部并且不触及右轴承装接口22a以及左轴承装接口22b。即，外桶20以从左轴承装接口22b的上方的位置朝向右轴承装接口22a的下方的位置的方式相对于水平旋转轴R2被倾斜地分割。由此，在上外桶构件20a形成有右 轴承装接口22a，在下外桶构件20b形成有左轴承装接口22b。需要说明的是，上外桶构件20a相当于本发明的第一外桶构件，下外桶构件20b相当于本发明的第二外桶构件。
在上外桶构件20a的下端面，形成有多个螺钉插通孔25a。各螺钉插通孔25a与形成于上外桶构件20a的外表面的螺钉容纳凹部25b连接。其中，在上外桶构件20a的下端面的右轴承装接口22a的正下方的位置，形成有螺钉安装孔25c，而并非螺钉插通孔25a。此外，在上外桶构件20a的下端面，形成有环状的嵌合肋26a。需要说明的是，在图4(a)中，只有一处螺钉容纳凹部25b的形状由虚线表示。
在上外桶构件20a的右轴承装接口22a装接有右轴承部50a。右轴承部50a包括圆筒状的轴承箱51a和容纳于轴承箱51a的滚动轴承52a。在轴承箱51a，形成有具有多个螺钉插通孔53a的圆环状的安装凸缘54a。右轴承部50a以在前侧安装有圆环状的右密封构件55a的状态，从外侧插入右轴承装接口22a。安装凸缘54a通过多个螺钉56a固定于右安装部24a的螺钉安装孔23a，右轴承部50a固定于右轴承装接口22a。通过右密封构件55a的水密封功能，会防止从右轴承装接口22a漏水。需要说明的是，右轴承部50a相当于本发明的轴承部。
在下外桶构件20b的上端面，形成有多个螺钉安装孔25c。其中，在下外桶构件20b的上端面的与上外桶构件20a的螺钉安装孔25c对应的位置，形成有螺钉插通孔25a，而并非螺钉安装孔25c。螺钉插通孔25a与形成于下外桶构件20b的外表面的螺钉容纳凹部25b连接。此外，在下外桶构件20b的上端面，形成有环状的嵌合槽部26b。
在下外桶构件20b的左轴承装接口22b装接有左轴承部50b。左轴承部50b包括圆筒状的轴承箱51b和容纳于轴承箱51b的滚动轴承52b。在轴承箱51b，形成有具有多个螺钉插通孔53b的圆环状的安装凸缘54b。左轴承部50b以在前侧安装有圆环状的左密封构件55b的状态，从外侧插入左轴承装接口22b。安装凸缘54b通过多个螺钉56b固定于左安装部24b的螺钉安装孔23b，左轴承部50b固定于左轴承装接口22b。通过左密封构件55b的水密封功能，能防止从左轴承装接口22b漏水。
装接有右轴承部50a的上外桶构件20a与装接有左轴承部50b的下外桶构件20b从上下方向结合为球状。此时，嵌合肋26a嵌合于嵌合槽部26b，并且螺钉 插通孔25a与螺钉安装孔25c匹配。通过将插入螺钉容纳凹部25b内的螺钉27穿过螺钉插通孔25a固定于螺钉安装孔25c，上外桶构件20a与下外桶构件20b被固定，组装成外桶20。如图2(b)所示，通过嵌合肋26a与嵌合槽部26b的嵌合形成有迷宫式密封件，防止从上外桶构件20a与下外桶构件20b的结合部、即外桶20的分割面D漏水。需要说明的是，通过在上外桶构件20a与下外桶构件20b之间设置填料(Packing)，能进一步提高水密封功能。需要说明的是，左轴承部50b相当于本发明的轴承部。
在外桶20被组装起来时，洗涤脱水桶30容纳于外桶20内。此时，右脱水桶旋转轴40a以及左脱水桶旋转轴40b分别被插入右轴承部50a以及左轴承部50b，由右轴承部50a以及左轴承部50b自由旋转地支承。
外桶20的外侧投入口21通过例如由树脂材料形成的透明的外盖60进行开闭。外盖60穿过开口部11露出到壳体10的上方。外盖60与外桶20之间通过合叶部61结合，外盖60以合叶部61为中心转动。在外盖60的与合叶部61相反一侧的位置设置有闩锁部62，通过闩锁部62保持为外盖60关闭的状态。当进行打开闩锁部62的规定的操作时，变为外盖60打开的状态。
洗涤脱水桶30由脱水桶电机70旋转驱动。脱水桶电机70例如是外转子型电机，包括转子71和定子72。转子71固定于向外桶20的外侧突出的右脱水桶旋转轴40a的顶端部，定子72固定于右轴承部50a的后部。
在外桶20的底部中央，形成有具有多个螺钉安装孔28a的圆板状的轴安装部28，在轴安装部28的侧方形成有排水口29。在轴安装部28固定有具有规定形状的安装板80，外桶旋转轴90经由安装板80固定于轴安装部28。外桶旋转轴90为垂直旋转轴R1。此外，在安装板80固定有用于从外桶20内进行排水的排水装置100。排水装置100包括：具有排水阀101的排水管102、以及转动排水阀101的力矩电机103。排水管102的一端部102a连接于排水口29，另一端部102b连接于未图示的排水软管。
外桶旋转轴90由外桶轴承部110自由旋转地支承。外桶轴承部110包括：轴承箱111；上滚动轴承112以及下滚动轴承113，在上下方向空出规定间隔地配置于轴承箱111内。外桶轴承部110安装于配置在壳体10的底部的方形板状的外桶安装板120。外桶安装板120由安装于其四角的防振装置130弹性地支承。
外桶20由外桶电机140旋转驱动。外桶电机140例如是外转子型电机，包 括转子141和定子142。转子141固定于从外桶轴承部110向下方突出的外桶旋转轴90的顶端部，定子142固定于外桶轴承部110的下部。
在外桶轴承部110的上方，设置有布线中继部150。布线中继部150对从脱水桶电机70、力矩电机103等与外桶20一起旋转的电装零件延伸的多个第一电气布线160a和从后述的控制部延伸的多个第二电气布线160b进行中继。需要说明的是，第一电气布线160a相当于本发明的第一电气布线，第二电气布线160b相当于本发明的第二电气布线。
如图6所示，布线中继部150包括：旋转部151、固定部152、多个旋转端子部153、多个第一连接布线154、多个固定端子部155、多个第二连接布线156、接触刷157、上滚动轴承158a、以及下滚动轴承158b。需要说明的是，旋转端子部153相当于本发明的第一端子部，固定端子部155相当于本发明的第二端子部，接触刷157相当于本发明的接触部。
旋转部151由树脂等绝缘材料形成为圆筒状，固定于外桶旋转轴90并与外桶旋转轴90一起旋转。在旋转部151的外周面，在上下方向空出规定间隔地形成有多个环状的端子槽151a。旋转端子部153由导电性的金属材料形成为环状，配置于端子槽151a。在旋转部151的规定位置从上表面朝向下方形成有与各旋转端子部153的背侧连接的布线插入孔151b。在各旋转端子部153，连接有插入布线插入孔151b的各第一连接布线154。各第一连接布线154经由连接器161a连接于各第一电气布线160a。即，各旋转端子部153经由各第一连接布线154与各第一电气布线160a电连接。
固定部152由树脂等绝缘材料形成为圆筒状，包围旋转部151的外周。固定部152经由上滚动轴承158a和下滚动轴承158b连结于旋转部151。由此，旋转部151相对于固定部152自由旋转。在固定部152的底面，设置有具有螺钉插通孔152a的安装片152b。如图2(a)所示，安装片152b通过螺钉159固定于外桶轴承部110的上部，由此固定部152固定于外桶轴承部110。由此，即使外桶旋转轴90旋转，固定部152也不旋转。
在固定部152的内周面，以与各旋转端子部153对置的方式，在上下方向空出规定间隔地配置有各固定端子部155。各固定端子部155由导电性的金属材料形成。在固定部152，从下表面朝向上方形成有与各固定端子部155的背侧连接的布线插入孔152c。在各固定端子部155，连接有插入布线插入孔152c的各 第二连接布线156。各第二连接布线156经由连接器161b连接于各第二电气布线160b。即，各固定端子部155经由各第二连接布线156与各第二电气布线160b电连接。
各接触刷157安装于各固定端子部155的表面。各接触刷157由许多导电性的金属线材形成，其顶端部分与对应的旋转端子部153接触。
当外桶旋转轴90、即外桶20旋转时，旋转部151旋转，各第一电气布线160a、各第一连接布线154以及各旋转端子部153旋转。各接触刷157在旋转的各旋转端子部153上滑动，由此，保持为各第一电气布线160a与各第二电气布线160b电连接的状态。由于即使外桶旋转轴90旋转，各第二电气布线160b也不动，因此不会产生向外桶旋转轴90等卷绕之类的情况。
图7是表示本实施方式的全自动洗衣机1的构成的框图。
除了上述的构成之外，全自动洗衣机1还具备：供水装置170、操作部180、水位传感器190、控制部200、以及存储部210。
供水装置170包括供水管、供水阀等，向外桶20内进行供水。
操作部180包括：用于接通以及切断全自动洗衣机1的电源的电源按钮、用于使运转开始的开始按钮、用于选择运转模式的选择按钮等的操作按钮，将与用户所操作的操作按钮对应的输入信号输出给控制部200。
水位传感器190检测外桶20内的水位，并将与检测到的水位对应的水位检测信号输出给控制部200。
存储部210包括EEPROM(Electrically Erasable Programmable Read-Only Memory：电可擦可编程只读存储器)、RAM(Random Access Memory：随机存取存储器)等。在存储部210存储有用于执行各种运转模式的洗涤运转的程序。此外，在存储部210存储有用于执行这些程序的各种参数、各种控制标记。
控制部200包括：包含CPU的控制电路、驱动电路等，基于来自操作部180、水位传感器190等的各信号，按照存储于存储部210的程序，对脱水桶电机70、外桶电机140、供水装置170、排水装置100等的动作进行控制。
在全自动洗衣机1中，进行各种运转模式的洗涤运转。在洗涤运转中，按顺序执行洗涤过程、中间脱水过程、漂洗过程以及最终脱水过程。
在洗涤过程以及漂洗过程中，在外桶20内蓄水至规定的水位L。如图2(a)所示，规定的水位L是洗涤脱水桶30浸泡在水中的位置，可以设定在比洗涤脱 水桶30的中心位置、即水平旋转轴R2的位置低的位置。需要说明的是，在洗涤过程中，所蓄的水中含有洗涤剂。
在外桶20内蓄有水的状态下，外桶电机140被驱动为单向旋转，外桶20以垂直旋转轴R1为中心单向水平旋转，洗涤脱水桶30与外桶20一体地水平旋转。此外，脱水桶电机70被驱动为向正方向以及反方向交替旋转，洗涤脱水桶30与外桶20的运动各自独立地以水平旋转轴R2为中心向正方向以及反方向交替垂直旋转。
通过外桶20水平旋转，在外桶20内产生水流，其中，通过洗涤脱水桶30水平旋转并且垂直反向旋转，在洗涤脱水桶30内被搅拌的洗涤物进行复杂的运动。由此，在外桶20内产生的水流与洗涤物的复杂的运动相互作用，从而洗涤物被很好地洗涤、或者漂洗。
此外，在洗涤脱水桶30为球状的情况下，由于在水平旋转轴R2的方向上周面也为圆弧状，因此，位于洗涤脱水桶30内的两端部分的洗涤物变得容易处在高于水面的位置，两端部分的洗涤物变得难以被水浸泡。然而，在本实施方式中，由于外桶20水平旋转，因此外周侧的水通过离心力逐渐上升，变得水也容易遍及两端部分的洗涤物。
在中间脱水过程以及最终脱水过程中，从外桶20内进行排水之后，在外桶20停止的状态下，洗涤脱水桶30单向高速垂直旋转。通过在洗涤脱水桶30产生的离心力的作用，洗涤物被脱水。
图8是表示本实施方式的洗涤运转中的控制部200对外桶电机140以及脱水桶电机70的控制处理的流程图。
在洗涤过程或漂洗过程中，控制部200基于洗涤或漂洗的控制的判断(S101：是)，使外桶电机140单向旋转(S102)，并且使脱水桶电机70反向旋转(S103)。如上所述，外桶20单向水平旋转，洗涤脱水桶30水平旋转并且向正方向以及反方向交替垂直旋转。
当经过洗涤或漂洗的完成时间时(S104：是)，控制部200使外桶电机140和脱水桶电机70的动作停止(S105)。
另一方面，在中间脱水过程或最终脱水过程中，控制部200不基于洗涤或漂洗的控制的判断，而基于脱水的控制的判断(S101：否)，在使外桶电机140保持停止的状态下，使脱水桶电机70单向高速旋转(S106)。如上所述，洗涤 脱水桶30单向高速垂直旋转。
当经过脱水的完成时间时(S107：是)，控制部200使脱水桶电机70的动作停止(S108)。
<实施方式的效果>
以上，根据本实施方式，能使外桶20水平旋转而在外桶20内产生水流，并且能使洗涤脱水桶30水平旋转以及垂直旋转而在洗涤脱水桶30内搅拌洗涤物。并且，外桶20以及洗涤脱水桶30通过外桶电机140以及脱水桶电机70各自独立地旋转动作，因此，能在外桶20以及洗涤脱水桶30之间进行各种旋转动作。例如，通过在使外桶20单向旋转期间使洗涤脱水桶30向正反方向反向旋转，在洗涤脱水桶30内被搅拌的洗涤物的运动变得复杂，在外桶20内产生的水流与洗涤物的复杂的运动相互作用，从而洗涤物被很好地洗涤、或者漂洗。
如此，根据本实施方式，能期待有效利用蓄水的外桶20和球状的洗涤脱水桶30的运动来提高清洗性能。
此外，根据本实施方式，通过在使外桶电机140保持停止的状态下使脱水桶电机70高速旋转，在外桶20停止的状态下使洗涤脱水桶30以高速垂直旋转而对洗涤脱水桶30内的洗涤物进行脱水，因此，与通过在使脱水桶电机70保持停止的状态下使外桶电机140高速旋转，使外桶20与洗涤脱水桶30一体地以高速水平旋转而对洗涤脱水桶30内的洗涤物进行脱水的情况相比，驱动负荷小即可，耗电小即可。
而且，根据本实施方式，外桶20形成为将洗涤脱水桶30覆盖到一半以上的球状，因此，能紧凑地形成外桶20。并且，外桶20分割为上外桶构件20a和下外桶构件20b而构成，因此，能容易地制成球状的外桶20。
而且，根据本实施方式，包括外桶20的分割面D的假想平面被以通过外桶20的中心部并且不触及右轴承装接口22a以及左轴承装接口22b的方式相对于水平旋转轴R2倾斜地设置，因此，容易以高圆柱度的方式形成右轴承装接口22a以及左轴承装接口22b，能分别将右轴承部50a以及左轴承部50b高精度地装接于右轴承装接口22a以及左轴承装接口22b。由此，能防止在水平旋转轴R2产生偏移等，能使洗涤脱水桶30顺畅地垂直旋转。需要说明的是，外桶20的中心部是指，垂直旋转轴R1与水平旋转轴R2交叉的点。
需要说明的是，在分割面D涉及右轴承装接口22a以及左轴承装接口22b 的情况下，右轴承装接口22a以及左轴承装接口22b会分开形成于上外桶构件20a和下外桶构件20b，因此，在通过上外桶构件20a与下外桶构件20b的结合形成右轴承装接口22a以及左轴承装接口22b时，难以得到高圆柱度。由此，当在水平旋转轴R2产生偏移时，变得无法使洗涤脱水桶30顺畅地垂直旋转。
而且，根据本实施方式，通过布线中继部150对从脱水桶电机70、力矩电机103等与外桶20一起旋转的电装零件延伸的多个第一电气布线160a和从控制部200延伸的多个第二电气布线160b进行中继，因此，能防止外桶20旋转时电气布线向外桶20缠绕。
以上，对本发明的实施方式进行了说明，但本发明不受上述实施方式的任何限制，此外，本发明的实施方式也可以进行上述以外的各种变更。
例如，在上述实施方式中，外桶20以垂直旋转轴R1为中心旋转，洗涤脱水桶30以水平旋转轴R2为中心旋转。然而，也可以采用外桶20以从垂直方向倾斜的旋转轴为中心旋转之类的构成。同样地，也可以采用洗涤脱水桶30以从水平方向倾斜的旋转轴为中心旋转之类的构成。
此外，在上述实施方式中，在洗涤过程或漂洗过程中，外桶20单向水平旋转。然而，也可以通过使外桶电机140向正反方向反向旋转，使外桶20向顺时针方向和逆时针方向交替水平旋转。而且，也可以使外桶电机140、即外桶20的旋转速度变化，使外桶20内的水流的速度变化。
而且，在上述实施方式中，虽然外桶电机140以及脱水桶电机70设为外转子型电机，但也可以设为内转子型电机。
而且，在上述实施方式中，外桶20以从左轴承装接口22b的上方的位置朝向右轴承装接口22a的下方的位置的方式相对于水平旋转轴R2被倾斜地分割。然而，外桶20也可以以从右轴承装接口22a的上方的位置朝向左轴承装接口22b的下方的位置的方式相对于水平旋转轴R2被倾斜地分割。即，如果分割面D通过外桶20的中心部并且不触及右轴承装接口22a以及左轴承装接口22b，则分割面D的位置可以适当变更。其中，为了进一步防止从分割面D漏水，理想的是，分割面D设置于外桶20内所蓄的水的水位L的上方。从这一点来说，外桶20被以从左轴承装接口22b(右轴承装接口22a)的上方的位置朝向右轴承装接口22a(左轴承装接口22b)的稍微下方的位置的方式分割为好。
而且，虽然在上述实施方式中举例示出了全自动洗衣机1，但本发明也可以 适用于除了洗涤功能之外还具有烘干功能的全自动洗干一体机。
此外，本发明的实施方式可以在权利要求书所示出的技术思想的范围内适当地进行各种变更。

Claims (5)

  1. 一种洗衣机，其特征在于，具备：
    外桶，以沿着垂直方向或从垂直方向倾斜的第一旋转轴为中心可旋转地配置在壳体内，并能蓄水；
    球状的洗涤脱水桶，以沿着水平方向或从水平方向倾斜的第二旋转轴为中心可旋转地配置在所述外桶内，并容纳洗涤物；
    外桶电机，用于使所述外桶旋转；
    脱水桶电机，用于使所述洗涤脱水桶旋转；以及
    控制部，洗涤时，一边使所述外桶电机进行驱动一边使所述脱水桶电机进行驱动。
  2. 根据权利要求1所述的洗衣机，其特征在于，
    脱水时，所述控制部在使所述外桶电机停止的状态下使所述脱水桶电机驱动。
  3. 根据权利要求1或2所述的洗衣机，其特征在于，
    在所述洗涤脱水桶设置有作为所述第二旋转轴的脱水桶旋转轴，
    所述外桶形成为将所述洗涤脱水桶覆盖到一半以上的球状，
    并且具有装接有自由旋转地支承所述脱水桶旋转轴的轴承部的轴承装接口，
    所述外桶分割为第一外桶构件和第二外桶构件而构成，其分割面通过所述外桶的中心部并且不触及所述轴承装接口。
  4. 根据权利要求3所述的洗衣机，其特征在于，
    所述脱水桶旋转轴设置于所述洗涤脱水桶的两侧，一侧的所述脱水桶旋转轴通过所述脱水桶电机进行旋转，
    所述轴承装接口设置于所述外桶的两侧，
    所述外桶以从一侧的所述轴承装接口的上方的位置朝向另一侧的所述轴承装接口的下方的位置的方式相对于所述第二旋转轴被倾斜地分割。
  5. 根据权利要求1至4中任一项所述的洗衣机，其特征在于，
    还具备将从所述脱水桶电机延伸的第一电气布线和从所述控制部延伸的第二电气布线进行中继的布线中继部，
    在所述外桶设置有作为所述第一旋转轴的外桶旋转轴，
    所述布线中继部，包括：
    旋转部，与所述外桶旋转轴一起旋转；
    环状的第一端子部，设置于所述旋转部的外周面，并与所述第一电气布线电连接；
    固定部，配置于所述旋转部的外侧，并不与所述外桶旋转轴一起旋转；
    第二端子部，设置于所述固定部，并与所述第二电气布线电连接；以及
    导电性的接触部，从所述第二端子部延伸并与所述第一端子部接触，当所述旋转部旋转时在所述第一端子部上滑动。
PCT/CN2017/094504 2016-07-26 2017-07-26 洗衣机 Ceased WO2018019257A1 (zh)

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