WO2023068523A1 - 세탁기 - Google Patents
세탁기 Download PDFInfo
- Publication number
- WO2023068523A1 WO2023068523A1 PCT/KR2022/012578 KR2022012578W WO2023068523A1 WO 2023068523 A1 WO2023068523 A1 WO 2023068523A1 KR 2022012578 W KR2022012578 W KR 2022012578W WO 2023068523 A1 WO2023068523 A1 WO 2023068523A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drum
- tub
- bag
- exhaust
- washing machine
- 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
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
- D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
-
- 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
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
- D06F58/04—Details
- D06F58/06—Mountings for the rotating drums
-
- 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
- D06F25/00—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 and having further drying means, e.g. using hot air
-
- 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
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
-
- 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
- D06F37/26—Casings; Tubs
- D06F37/261—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
- D06F37/263—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements assembled from at least two elements connected to each other; Connecting or sealing means therefor
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
-
- 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
- D06F39/12—Casings; Tubs
-
- 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
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal 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
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
- D06F58/04—Details
- D06F58/08—Driving arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
-
- 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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/26—Heating arrangements, e.g. gas heating equipment
- D06F58/263—Gas heating equipment
Definitions
- the disclosed invention relates to a washing machine, and more particularly, to a washing machine having an improved structure to improve drying efficiency.
- a washing machine is a machine that uses electric power to wash clothes, and generally includes a cabinet forming the exterior of the washing machine, a tub for storing wash water inside the cabinet, a drum rotatably installed inside the tub, and rotating the drum. Equipped with a motor for driving.
- a drum washing machine having a drying function includes a drying device for drying laundry by blowing hot air from a drying heater into an accommodation space where laundry is accommodated, and using this, the drying function is performed alone or in conjunction with the washing function. After the dehydration is completed, the drying function is performed.
- the drying device of the washing machine supplies hot air heated by a heating device to the inside of the drum to heat the laundry, thereby evaporating moisture in the laundry and condensing and discharging the evaporated moisture to dry the laundry.
- a plurality of holes are formed on the rear surface of the drum, and the plurality of holes serve to pass wet steam entering the inside of the tub.
- the hole on the rear surface of the tub is connected to a duct or hose to suck or discharge wet steam, but when the drum rotates, it may be blocked by the flange shaft, thereby obstructing the flow of the flow.
- One aspect of the disclosed invention provides a washing machine having an improved structure to improve drying efficiency.
- Another aspect of the disclosed invention provides a washing machine having a structure capable of improving the flow of fluid.
- a washing machine for drying a cabinet; a tub disposed inside the cabinet and provided to store wash water; a drum rotatably disposed inside the tub; a motor providing rotational force to the drum; a flange shaft provided between the drum and the motor to transmit rotational force of the motor to the drum; a drying duct provided to heat air and supply air to the inside of the tub; and an exhaust duct provided to supply air discharged from the tub to the drying duct
- the drum comprises: a cylindrical body with front and rear openings; and a drum bag coupled to the opened rear of the cylindrical body, wherein the flange shaft includes a hub portion disposed at the center of the drum bag; and a plurality of flange portions extending radially from the hub, wherein the drum bag includes: a plurality of recess portions corresponding to the plurality of flange portions and recessed from the rear toward the front; and a plurality of openings formed between the recessed portions adjacent to each other, and a
- the recess portion is made of a metal material, and the porous plate is made of a resin material.
- Each of the plurality of porous plates is coupled to the plurality of openings in a seaming manner.
- Each of the plurality of porous plates is coupled to the plurality of openings in an insert injection method.
- a plurality of exhaust ports to which the exhaust duct is connected are provided in the tub.
- the plurality of exhaust outlets are disposed at different distances from the center of the rear surface of the tub.
- At least one of the plurality of exhaust ports has a different width from that of the other exhaust ports.
- a washing machine includes a cabinet; a tub disposed inside the cabinet and provided to store wash water; a drum rotatably disposed inside the tub; a motor providing rotational force to the drum; and a flange shaft provided between the drum and the motor to transfer the rotational force of the motor to the drum, wherein the drum comprises: a cylindrical body with front and rear openings; and a drum bag coupled to the opened rear of the cylindrical body, wherein the flange shaft includes a hub portion disposed at the center of the drum bag; and a plurality of flange portions extending radially from the hub, wherein the drum bag includes: a plurality of recess portions corresponding to the plurality of flange portions and recessed from the rear toward the front; and a plurality of openings formed between the recessed portions adjacent to each other, and a plurality of porous plates respectively coupled to the plurality of openings by an insert injection method.
- the recess portion is made of a metal material, and the porous plate is made of a resin material.
- a plurality of exhaust outlets are provided on the rear surface of the tub, and as the drum rotates, when one of the plurality of flanges is in a position overlapping one of the plurality of exhaust ports, at least another one of the plurality of exhaust ports is provided. It is arranged in a position that does not overlap any one of the plurality of flange portions.
- the plurality of exhaust outlets are disposed at different distances from the center of the rear surface of the tub.
- At least one of the plurality of exhaust ports has a different width from that of the other exhaust ports.
- the flow of fluid can be improved, and drying efficiency can be improved.
- FIG. 1 is a perspective view of a washing machine according to an embodiment.
- FIG. 2 is a cross-sectional view of a washing machine according to an embodiment.
- FIG. 3 is an exploded perspective view illustrating a state in which a drying duct is coupled to a tub of a washing machine according to an exemplary embodiment
- FIG. 4 is a perspective view showing a drum bag according to an embodiment.
- FIG. 5 is a front view illustrating a drum bag and a tub bag according to an embodiment.
- FIG. 6 is a perspective view illustrating a rear surface of a drum of the washing machine according to an exemplary embodiment
- FIG. 7 is a cross-sectional view of part A-A' of FIG. 6, showing a rear surface of a drum formed by a manufacturing method according to an embodiment.
- FIG. 8 is a perspective view illustrating a rear surface of a drum of the washing machine according to an exemplary embodiment
- FIG. 9 is a cross-sectional view of part BB′ of FIG. 8, showing a rear surface of a drum formed by a manufacturing method according to an embodiment.
- FIG. 10 is a view showing a state before the drying duct is connected to the rear surface of the tub according to an embodiment.
- FIG. 11 is a view illustrating a rear surface of a tub of a washing machine according to an exemplary embodiment
- first and second used herein may be used to describe various components, but the components are not limited by the terms, and the terms It is used only for the purpose of distinguishing one component from another.
- a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.
- the term “and/or” includes a combination of a plurality of related recited items or any one of a plurality of related recited items.
- FIG. 1 is a perspective view of a washing machine according to an embodiment
- FIG. 2 is a cross-sectional view of the washing machine according to an embodiment
- FIG. 3 is an exploded perspective view illustrating a state in which a drying duct is coupled to a tub of the washing machine according to an embodiment.
- the washing machine 1 includes a cabinet 10 forming an exterior, a tub 20 for receiving wash water or rinsing water that may be used in a washing or rinsing operation, and receiving laundry. It includes a drum 30 and a motor 40 that rotates the drum 30 .
- the cabinet 10 may be provided in a substantially hexahedral shape.
- the cabinet 10 includes frames 10a, 10b, 10c, 10d, and 10e, and each of the frames 10a, 10b, 10c, 10d, and 10e includes an upper frame 10a forming the upper surface of the cabinet 10, a cabinet A front frame (10b) and a rear frame (10c) constituting the front and rear surfaces of (10), and a side frame (10d) constituting the side and bottom surfaces of the cabinet (10) connecting the front frame (10b) and the rear frame (10c). And when it may be composed of a frame (10e).
- the front frame 10b of the cabinet 10 may be formed with an inlet 12a through which laundry is put into or taken out of the drum 20 .
- the inlet 12a can be opened and closed by the door 13 installed on the front frame 10b of the cabinet 10 .
- a control panel 11 for controlling the operation of the washing machine 1 may be provided above the front frame 10b of the cabinet 10 .
- An input unit for inputting an operation of the washing machine 1 may be provided in the control panel 11 in the form of a rotatable dial, and a display unit for displaying various types of information about the washing machine 1 may be provided.
- the control panel may include various types of input units and displays.
- a cylindrical drum 20 may be provided inside the cabinet 10 .
- the drum 20 may be rotatably provided by receiving the power of the driving device.
- a driving device for rotating the drum 20 will be described later.
- the tub 20 may include a first tub 21 positioned at the inner front of the cabinet 10 and a second tub 22 coupled to the rear of the first tub 21 .
- the first tub 21 includes a cylindrical portion 21a provided in a circumferential direction and a front surface 21b positioned in front of the cylindrical portion 21a. Near the front surface 21b of the first tub 20, a connection portion 25 to which a drying duct 70 to be described later is connected may be provided.
- the second tub 22 includes a cylindrical portion 22a provided in a circumferential direction.
- a tub bag 200 may be formed on the rear surface of the second tub 20 .
- the tub bag of the second tub is integrally formed with the cylindrical portion, but is not limited thereto.
- the tub back may form the rear surface of the tub.
- the tub 20 may be provided by connecting the cylindrical portion 21a of the first tub 21 and the cylindrical portion 22a of the second tub 22 .
- a through hole 131 through which a shaft passes may be formed in the center of the tub bag 200 .
- An exhaust port 220 to which the exhaust duct 80 is connected may be formed at one side of the lower portion of the tub bag 200 .
- the exhaust port 220 of the tub bag 200 will be described later.
- a water supply device (not shown) for supplying wash water to the tub 20, and a water supply device connected to the water supply device so that the wash water delivered through the water supply device is supplied to the tub 20 together with the detergent A detergent supply device 14 is disposed.
- a drainage device 15 for discharging wash water used for washing to the outside of the cabinet 10 is disposed below the tub 20 .
- the drainage device 15 includes a drain pump 15a for discharging water inside the tub 20 to the outside of the cabinet 10, and a tub for allowing water inside the tub 20 to flow into the drain pump 15a. It may include a connection hose 15b connecting the drain pump 15a with the drain pump 20, and a drain hose 15c for guiding water pumped by the drain pump 15a to the outside of the cabinet 10.
- the tub 20 is supported by a damper 16 .
- the damper 16 connects the lower frame 10e of the cabinet 10 and the outer surface of the tub 20 .
- the damper 16 may also support the tub 20 by being located on the upper side, left and right side, in addition to the lower frame of the cabinet 10 .
- the drum 30 may include a drum body 32 , a drum front 31 and a drum bag 100 .
- the drum body 32 may be formed in a hollow cylindrical shape with open front and rear ends.
- a plurality of through holes 34 for flowing wash water may be formed in the cylindrical drum body 32 .
- a plurality of lifters 33 may be installed on the inner circumferential surface of the drum body 32 to allow laundry to rise and fall when the drum 30 rotates.
- the drum 30 may include a drum front 31 and a drum bag 100 .
- the drum front 31 may be disposed at the front end of the drum body 32, and the drum bag 100 may be disposed at the rear end of the drum body 32.
- a coupling hole 35 may be provided on the side of the drum body 32 .
- a coupling hole 35 may be provided at the rear end of the drum body 32 so that the drum bag 100 can be coupled thereto.
- Coupling hole 35 may be formed in plurality.
- the coupling hole 35 is provided to fix the flange shaft 60 installed in the drum bag 100.
- the coupling hole 35 may be formed to correspond to the flange shaft 60 .
- the coupling holes 35 may be spaced apart at regular intervals along the circumferential direction of the drum body 32 so as to correspond to the flange shaft 60 .
- the drum front 31 may be provided to correspond to the front opening of the drum body 32 .
- the drum bag 100 may be provided to correspond to the rear opening of the drum body 32 .
- the drum bag 100 may be formed in a disk shape to block the rear opening of the drum body 32 .
- the drum bag 100 will be described later.
- the drum 30 is rotated within the tub 20 by the rotational force transmitted through the shaft 41 .
- a shaft 41 for transmitting power of the motor 40 is connected to the drum bag 100 of the drum 30 .
- the motor 40 may be provided outside the tub 20 .
- the motor 40 may be connected to the drum 30 through a shaft 41.
- the shaft 41 passes through the tub back 200 of the tub 20 and is rotatably supported by the bearing 52 and the bearing housing 51 .
- the motor 40 may include a stator fixed to the outside of the tub bag 200 and a rotor provided rotatably and connected to the shaft 41 .
- the rotor can interact electromagnetically with the stator to convert the rotational electrical force into mechanical rotational force.
- the rotation of the rotor may be transmitted to the drum 30 through the shaft 41 .
- the drum bag 100 may be connected to the shaft 41 through the flange shaft 60.
- the flange shaft 60 may be provided to transmit power of the motor 40 .
- the flange shaft 60 may include a hub portion 61 disposed at the center of the drum bag 100 and a plurality of flange portions 62 extending radially from the hub portion 61 .
- a shaft coupling portion 63 for installing the shaft 41 may be formed at the center of the hub portion 61 .
- the plurality of flange parts 62 may be formed at intervals of 120 degrees around the hub part 61 .
- a plurality of flange portions 61 may be formed to correspond to the diameter of the drum bag 100.
- a plurality of fastening holes 64 may be formed at one end of each flange portion 61 .
- a plurality of fastening holes 64 may be formed to correspond to the coupling holes 35 of the drum 30 .
- two fastening holes are formed in one flange portion, but shown as an example, the spirit of the present invention is not limited thereto.
- it may be formed in various ways according to the size and shape of the drum and the flange portion.
- a shaft 41 is disposed between the drum 30 and the motor 40 .
- One end of the shaft 41 is connected to the drum bag 100, and the other end extends to the outside of the tub bag 200.
- the motor 40 drives the shaft 41, the drum 30 connected to the shaft 41 rotates around the shaft 41.
- a bearing housing 51 is installed in the tub bag 200 to rotatably support the shaft 41 .
- the bearing housing 51 may be made of aluminum alloy, and may be insert-injected into the tub bag 200 of the second tub 20 when the tub 20 is injection molded.
- Bearings 52 may be installed between the bearing housing 51 and the shaft 41 so that the shaft 41 rotates smoothly.
- the washing machine 1 may further include a drying duct 70 provided to heat and supply air into the tub 20 .
- the drying duct 70 may be provided above the tub 20, but the location is not limited thereto.
- the drying duct 70 may include a housing 71 forming an exterior, a heater 73 provided inside the housing 71 to heat air, and a blowing fan 74 .
- the heater 73 of the drying duct 70 and the blowing fan 74 may be disposed inside the housing 71 .
- One end of the drying duct 70 may be connected to an exhaust duct 80 to be described later, and the other end may be connected to a connection part 25 provided in front of the tub 20 .
- the blowing fan 74 is operably provided by a driving motor 74a.
- the washing machine 1 may further include an exhaust duct 80 provided to supply air discharged from the tub 20 to the drying duct 70 .
- the exhaust duct 80 is provided to discharge humid air that has passed through the tub 20 .
- the exhaust duct 80 may be provided at the rear of the tub 20, but the location is not limited thereto.
- the exhaust duct 80 may include a case 81 forming an exterior.
- the case 81 may include a first case 81a and a second case 81b.
- a fixing member (not shown) is coupled to the rims of the first case 81a and the second case 81b so that the first case 81a and the second case 81b are coupled with a fastening member 81c. can be provided.
- a plurality of fastening parts 81c may be provided. The plurality of fastening parts 81c may be spaced apart from each other.
- the first case 81a and the second case 81b may be coupled to each other to form a passage part 87 through which air moves therein.
- the case is shown as an example in which the first case and the second case are separated and coupled to each other, but is not limited thereto.
- the housing may be integrally formed.
- One end of the exhaust duct 80 may be connected to the tub bag 200 and the other end may be connected to the drying duct 70 .
- An exhaust port connection part 82 corresponding to the exhaust port 220 of the tub bag 200 may be formed in the exhaust duct 80 .
- the exhaust port connection part 82 may be formed in a shape corresponding to the exhaust port 220 .
- a sealing member 86 may be provided between the exhaust port connection part 82 and the exhaust port 220 .
- the exhaust port connection part 82 may be provided in the case 81 .
- the exhaust port connection part 82 is provided in the first case 81a to connect the exhaust duct 80 and the tub bag 200 .
- FIG. 4 is a perspective view illustrating a drum bag according to an exemplary embodiment
- FIG. 5 is a front view illustrating a drum bag and a tub bag according to an exemplary embodiment.
- the drum bag 100 provided at the rear end of the drum 30 is provided to block the opening of the rear end of the drum body 32 .
- the drum bag 100 is provided to be inserted into the rear end opening of the drum body 32 .
- the drum bag 100 may include a first area 140 in which a plurality of holes 131 are formed, and a second area 150 provided to correspond to the shaft flange 60 seated therein.
- the drum bag 100 includes a drum bag body 110 formed in a disk shape.
- the disk-shaped drum bag body 110 may include a front surface 110a and a rear surface 110b formed on the opposite side of the front surface 110a.
- the front surface 110a of the drum bag body 110 is the surface facing the inside of the drum 30, and the rear surface 110b of the drum bag body 110 refers to the surface facing the outside of the drum 30.
- the drum bag 100 is formed between a plurality of recess portions 120 corresponding to the plurality of flange portions 62 and recessed from the rear toward the front and the recess portions 120 adjacent to each other. It may include an opening 130 to be.
- the opening 130 may refer to the first region 140 .
- the plurality of recessed portions 120 may refer to the second region 150 .
- the drum bag body 110 may include an opening 130 in which a plurality of holes 131 are formed, and a recess 120 in which the shaft flange 60 is seated.
- recessed portions 120 are provided to correspond to the flange shafts 60, respectively.
- the recess portion 120 may be formed in plurality to correspond to the plurality of flange portions 62 of the flange shaft 60 .
- the recessed portion 120 may be formed to protrude forward of the drum bag body 110 .
- a shaft support 121 provided to support the shaft 41 may be formed at the center of the drum bag body 110 .
- the shaft support part 121 may be provided at the center of the recess part 120 .
- the shaft support 121 may be located in the recess 120 .
- the shaft support 121 may be located in the second area 150 .
- An edge 111 may be provided on the drum bag body 110 of the drum bag 100 .
- the rim 111 may be formed by bending from an outer end of the drum bag body 110 to correspond to an inner diameter of the drum 30 .
- a shaft flange fixing part 122 may be provided on the rim 111 of the drum bag 100.
- the shaft flange fixing part 122 may be formed to correspond to the coupling hole 35 of the drum body 32 .
- the shaft flange fixing part 122 may be formed to correspond to the fastening hole 64 of the shaft flange 60 .
- the shaft flange fixing part 122 may be formed to be spaced apart in the circumferential direction.
- the shaft flange fixing part 122 is formed to correspond to the fastening hole 64 of the shaft flange 60 and the fastening hole 35 of the drum body 32, and can be fixed to each other through a fastening member (not shown) or the like. there is.
- the opening 130 of the drum bag 100 may include a portion excluding the recess portion 120 .
- the opening 130 may be formed between a plurality of recessed portions 120 adjacent to each other.
- a plurality of holes 131 may be formed in the opening 130 of the drum bag 100 .
- a plurality of holes 131 may be formed in each of the openings 130 of the drum bag 100 .
- the opening 130 of the drum bag 100 may be formed in three parts.
- the openings 130 of the drum bag 100 may be formed at intervals of 120 degrees.
- the opening 130 of the drum bag 100 that is, the first area 140 may be spaced apart from the second area 150 in the circumferential direction.
- the first area 140 of the drum bag 100 may be spaced apart from each other by a predetermined interval by the recess 120 formed in the disk-shaped drum bag body 110 .
- Drum bag 100 may be formed of a steel material.
- Drum bag body 110 may be formed of a steel material.
- the recess 120 and the opening 130 of the drum bag 100 may be integrally formed of a steel material.
- the first area 140 and the second area 150 of the drum bag 100 may be integrally formed of a steel material.
- a plurality of holes 131 may be formed at regular intervals in the opening 130 of the drum bag 100 .
- the opening 130 of the drum bag 100 may be formed at a position corresponding to the exhaust port 220 of the tub 20 .
- the opening 130 of the drum bag 100 may be located at a position communicating with the exhaust port 220 of the tub 20 .
- the area of the opening 130 of the drum bag 100 may be wider than the area of the exhaust port 220 of the tub 20 .
- the area of the exhaust port 220 of the tub 20 may be smaller than the area of the opening 130 of the drum bag 100 .
- the opening 130 of the drum bag 100 is positioned to correspond to the entire area of the exhaust port 220 of the tub 20, so that flow can be improved.
- the air discharged through the opening 130 of the drum bag 100 can smoothly flow through the exhaust port 220 of the tub 20 without obstructing the flow.
- FIG. 6 is a perspective view showing the rear side of the drum of the washing machine according to an embodiment
- FIG. 7 is a cross-sectional view of the part A-A' of FIG. 6, showing the rear side of the drum formed by the manufacturing method according to one embodiment.
- the first area 140A of the drum bag 100A may include a perforated plate 130A having a plurality of holes 131A.
- the drum bag 100A is formed between a plurality of recess portions 120A corresponding to the plurality of flange portions 62 and recessed from the rear toward the front and the recess portions 120A adjacent to each other. It may include an opening (113A) to be.
- the opening 113A may correspond to the first region 140A.
- the plurality of recess portions 120A may correspond to the second region 150A.
- the drum bag 100A includes a drum bag body 110A having an opening 113A in which at least a part is opened in a disk shape, and a perforated plate 130A provided to be coupled to the opening 113A of the drum bag body 110A.
- a perforated plate 130A provided to be coupled to the opening 113A of the drum bag body 110A.
- the perforated plate 130A may include a plate having a plurality of holes 131A.
- the perforated plate 130A may be formed by having a plurality of holes 131A spaced apart at regular intervals.
- the porous plate 130A may form the first region 140A.
- the perforated plate 130A of the drum bag 100A may be coupled to the opening 113A of the drum bag body 110A.
- the drum bag body 110A of the drum bag 100A may include a front surface 110Aa facing the inside of the drum 30 and a rear surface 110Ab formed on the opposite side of the front surface 110Aa and facing the outside of the drum 30.
- the drum bag body 110A may include a disc-shaped plate portion 112A and an edge 111A formed by bending the outer portion of the plate portion 112A.
- the rim (111A) may be formed by bending from the outer end of the drum bag body (110A) to correspond to the inner diameter of the drum (30).
- a shaft flange fixing part 122A may be formed on the rim 111A of the drum bag 100A.
- the opening 113A of the drum bag 100A may be formed by opening at least a portion of the drum bag body 110A.
- the plate portion 112A of the drum bag body 110A is provided with a recess portion 120A for installing the flange shaft 60 therein.
- the recess portion 120A may be formed to correspond to the flange shaft 60 .
- the recess portion 120A may be formed in a corresponding shape so that the flange shaft 60 can be seated thereon.
- the recess portion 120A may protrude forward from the plate portion 112A.
- An opening 113A may be provided in the plate portion 112A of the drum bag body 110A to allow the perforated plate 130A to be coupled thereto.
- the opening 113A may be formed in a shape corresponding to the perforated plate 130A.
- the opening 113A may be formed in three parts.
- the openings 113A may be formed at intervals of 120 degrees in the plate portion 112A of the drum bag body 110A.
- the opening 113A may be spaced apart in a circumferential direction by the recess 120A.
- the opening 113A is cut from the plate portion 112A and formed so that the porous plate 130A can be installed.
- the drum bag body 110 of the drum bag 100 may be formed of a steel material.
- the plate portion 112A of the drum bag body 110A may be formed of a steel material.
- the porous plate 130A may be formed of a steel material.
- the porous plate 130A may be coupled to the opening 113A of the drum bag body 110A by seaming. Seaming is a type of sealing method and can be mainly used for joints requiring airtightness and watertightness.
- the porous plate 130A and the drum bag body 110A may include a seaming portion 170A.
- the seaming part 170A may include a first seaming part 134A formed on the edge of the porous plate 130A and a second seaming part 114A formed on the porous plate installation part 113A of the plate part 112A. there is.
- the seaming portion 170A may be formed by combining the porous plate 130A and the end of the opening 113A of the plate portion 112A by a predetermined length so that they come into contact with each other through a seaming process.
- This seaming part (170A) may be located on the rear side (110Ab) side of the drum bag (100A).
- the seaming part 170A may be located outside the drum 30 .
- FIG. 8 is a perspective view showing a rear side of a drum of a washing machine according to an embodiment
- FIG. 9 is a cross-sectional view of a part BB′ of FIG. 8 , showing a rear side of a drum formed by a manufacturing method according to an embodiment.
- the first area 140B of the drum bag 100B may include a porous plate 130B having a plurality of holes 131B.
- the drum bag 100B corresponds to each of the plurality of flange portions 62 and is formed between a plurality of recess portions 120B provided to be depressed from the rear toward the front and the recess portions 120B adjacent to each other. It may include an opening (113B) to be.
- the opening 113B may coincide with the first region 140B.
- the plurality of recess portions 120B may coincide with the second region 150B.
- the drum bag 100B may include a drum bag body 110B formed in a disc shape, and a porous plate 130B coupled to the drum bag body 110B.
- the porous plate 130B may include a plate in which a plurality of holes 131B are formed.
- the porous plate 130B may be formed by having a plurality of holes 131B spaced apart at regular intervals.
- the porous plate 130B may form the first region 140B.
- the porous plate 130B may be formed in a shape corresponding to the opening 113B so as to be coupled to the opening 113B.
- the drum bag body 110B of the drum bag 100B may include a front surface 110Ba facing the inside of the drum 30 and a rear surface 110Bb formed on the opposite side of the front surface 110Ba and facing the outside of the drum 30.
- the drum bag body 110B may include a disc-shaped plate portion 112B and an edge 111B formed by bending the outer portion of the plate portion 112B.
- the rim (111B) may be formed by bending from the outer end of the drum bag body (110B) to correspond to the inner diameter of the drum (30).
- the plate portion 112B of the drum bag body 110B is provided with a recessed portion 120B in which the flange shaft 60 is installed.
- the recess portion 120B may be formed to correspond to the flange shaft 60 .
- the recess portion 120B may be formed in a corresponding shape so that the flange portion 62 of the flange shaft 60 can be seated.
- the recess portion 120B is provided in plurality to correspond to the flange portion 62 .
- Drum bag body (110B) of the drum bag (100B) may be formed of a steel material.
- the plate portion 112B of the drum bag body 110B may be formed of a steel material.
- the porous plate 130B may be formed of a resin material.
- the porous plate 130B may be insert-injected into the opening 113B of the drum bag body 110B.
- An opening 113B may be formed in the plate portion 112B of the drum bag body 110B to allow the porous plate 130B to be coupled thereto.
- the opening 113B may be formed in three parts.
- the openings 113B may be formed at intervals of 120 degrees in the drum bag body 110B.
- the three openings 113B may be spaced apart in a circumferential direction by a plurality of recessed portions 120B.
- the porous plate 130B and the drum bag body 110B may include a coupling part 170B.
- the coupling part 170B may be provided to connect the porous plate 130B and the drum bag body 110B by insert injection.
- FIG. 10 is a view showing a state before the drying duct is connected to the rear surface of the tub according to an embodiment
- FIG. 11 is a view showing the rear surface of the tub of the washing machine according to an embodiment.
- the tub 20 may include a tub back 200C forming a rear surface.
- An exhaust unit 220C to which the exhaust duct 80 is connected may be formed at one lower side of the tub bag 200C.
- the exhaust unit 220C may be provided to connect the exhaust duct 80 and the tub 20 to each other.
- the exhaust unit 220C may include one or more exhaust ports 221C, 222C, and 223C formed in the tub bag 200C.
- At least one exhaust unit 220C may be formed to prevent a problem that may occur when the flange shaft 60 coupled to the rotating drum 30 blocks the exhaust unit 220C formed in the tub bag 200C. .
- the exhaust unit 220C is at least to prevent problems that may occur when the flange unit 62 of the flange shaft 60 coupled to the rear surface of the rotating drum 30 blocks the exhaust unit 220C of the tub bag 200C.
- One or more may be formed in plurality.
- the flange shaft 60 fixed to the drum bag 100 rotates.
- the flange portion 62 of the flange shaft 60 blocks the exhaust unit 220C located on the lower side of the tub 20, thereby preventing air flow. can happen
- foreign matter such as lint mainly accumulates around the exhaust unit 220C located below the tub 20, thereby blocking the flow path between the exhaust unit 220C and the exhaust duct 80, thereby obstructing air flow. .
- the exhaust unit 220C of the tub bag 200C may include a plurality of exhaust ports 221C, 222C, and 223C.
- the exhaust ports 221C, 222C, and 223C may include a first exhaust port 221C, a second exhaust port 222C, and a third exhaust port 223C.
- the first exhaust port 221C, the second exhaust port 222C, and the third exhaust port 223C may be positioned to have different distances from the center C of the tub bag 200C.
- the first exhaust port 221C, the second exhaust port 222C, and the third exhaust port 223C may be disposed at different distances from the center of the rear surface of the tub 20, respectively.
- the first exhaust port 221C, the second exhaust port 222C, and the third exhaust port 223C may be located at different positions from the center C of the tub bag 200C.
- the first exhaust port (221C), the second exhaust port (222C), and the third exhaust port (223C) are exhaust ducts (80) at a plurality of different positions regardless of the position of the flange shaft (60) coupled to the drum (30). Since it can be connected with the air flow, it can improve the drying efficiency.
- At least one of the plurality of exhaust ports 221C, 222C, and 223C has a plurality of flanges. It may be disposed at a position that does not overlap with any of the branches 62.
- the first exhaust port 221C is located on one lower side from the center C of the tub bag 200C.
- the first exhaust port 221C is spaced apart from the center C of the tub bag 200C by a first distance L1.
- the second exhaust port 222C is spaced apart from the center C of the tub bag 200C by a second distance L2.
- the third exhaust port 223C is spaced apart from the center C of the tub bag 200C by a third distance L3.
- the first interval L1, the second interval L2, and the third interval L3 may have different lengths.
- the plurality of exhaust ports 221C, 222C, and 223C may have different widths. At least one of the plurality of exhaust ports 221C, 222C, and 223C may have a different width than the other exhaust ports.
- the first diameter d1 of the first exhaust port 221C, the second diameter d2 of the second exhaust port 222C, and the third diameter d3 of the third exhaust port 223C may be formed differently from each other. Exhaust vents formed with different diameters, sizes, and intervals ensure equal drying performance in various environments.
- An exhaust unit connection unit 82C corresponding to the exhaust unit 220C of the tub bag 200C may be provided in the exhaust duct 80 .
- the exhaust unit connection unit 82C may be formed to correspond to the exhaust unit 220C.
- Corresponding sealing members 86 may be provided between the exhaust unit connection unit 82C and the exhaust unit 220C.
- the exhaust unit connection part 82C may include a first connection pipe 82Ca, a second connection pipe 82Cb, and a third connection pipe 82Cc.
- the first connection pipe 82Ca is connected to the first exhaust port 221C.
- the second connection pipe 82Cb is connected to the second exhaust port 222C.
- the third connection pipe 82Cc is connected to the third exhaust port 223C.
- the first connection pipe 82Ca, the second connection pipe 82Cb, and the third connection pipe 82Cc correspond to the first exhaust port 221C, the second exhaust port 222C, and the third exhaust port 223C, respectively. can be formed in place.
- the tub bag includes three exhaust ports, but the spirit of the present invention is not limited thereto.
- the number of exhaust ports formed in the tub bag can be variously changed.
- the number of exhaust connection pipes of the exhaust duct connected to the exhaust port may be changed to correspond to the exhaust port.
- connection hole part and the connection pipe part may include an ellipse or a quadrangular shape formed at corresponding positions, respectively.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
Description
Claims (8)
- 캐비닛;상기 캐비닛 내부에 배치되고, 세탁수가 저수되도록 마련되는 터브;상기 터브의 내부에 회전 가능하게 배치되는 드럼;상기 드럼에 회전력을 제공하는 모터;상기 드럼과 상기 모터의 사이에서 상기 모터의 회전력을 상기 드럼에 전달하도록 마련되는 플랜지 샤프트;공기를 가열하여 상기 터브의 내부로 공기를 공급하도록 마련되는 건조 덕트; 및상기 터브로부터 배출되는 공기를 상기 건조 덕트로 공급하도록 마련되는 배기 덕트;를 포함하고,상기 드럼은,전후가 개방된 원통형 바디; 및상기 원통형 바디의 개방된 후방에 결합되는 드럼 백;을 포함하고,상기 플랜지 샤프트는,상기 드럼 백의 중심에 배치되는 허브부; 및상기 허브로부터 반경 방향으로 연장되는 복수의 플랜지부;를 포함하고,상기 드럼 백은,상기 복수의 플랜지부와 각각 대응하며, 후방으로부터 전방을 향해 함몰되도록 마련되는 복수의 리세스부; 및서로 인접하는 상기 리세스부들의 사이에 형성되는 복수의 개구부;를 포함하고,상기 복수의 개구부에 각각 결합되는 복수의 다공성 플레이트;를 더 포함하는 건조 겸용 세탁기.
- 제 1 항에 있어서,상기 리세스부는 금속 소재로 형성되고, 상기 다공성 플레이트는 수지 소재로 형성되는 건조 겸용 세탁기.
- 제 1 항에 있어서,상기 복수의 다공성 플레이트는 각각 시밍 방식으로 상기 복수의 개구부에 결합되는 건조 겸용 세탁기.
- 제 2 항에 있어서,상기 복수의 다공성 플레이트는 각각 인서트 사출 방식으로 상기 복수의 개구부에 결합되는 건조 겸용 세탁기.
- 제 1 항에 있어서,상기 터브에는 상기 배기 덕트가 연결되는 복수의 배기구가 마련되는 건조 겸용 세탁기.
- 제 5 항에 있어서,상기 드럼이 회전함에 따라, 상기 복수의 플랜지부 중 하나가 상기 복수의 배기구 중 하나와 겹치는 위치에 있을 때, 상기 복수의 배기구 중 적어도 다른 하나는 상기 복수의 플랜지부 중 어느 하나와도 겹치지 않는 위치에 배치되는 건조 겸용 세탁기.
- 제 5 항에 있어서,상기 복수의 배기구는 각각 상기 터브 후면의 중심으로부터 거리가 서로 다르게 배치되는 건조 겸용 세탁기.
- 제 7 항에 있어서,상기 복수의 배기구 중 적어도 하나는 다른 하나의 배기구와 다른 넓이를 갖는 건조 겸용 세탁기.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22883749.8A EP4365366A4 (en) | 2021-10-22 | 2022-08-23 | WASHING MACHINE |
| CN202280056710.9A CN117897530A (zh) | 2021-10-22 | 2022-08-23 | 洗衣机 |
| US18/428,215 US20240167208A1 (en) | 2021-10-22 | 2024-01-31 | Washing machine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210141983A KR20230057787A (ko) | 2021-10-22 | 2021-10-22 | 세탁기 |
| KR10-2021-0141983 | 2021-10-22 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/428,215 Continuation US20240167208A1 (en) | 2021-10-22 | 2024-01-31 | Washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023068523A1 true WO2023068523A1 (ko) | 2023-04-27 |
Family
ID=86059374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2022/012578 Ceased WO2023068523A1 (ko) | 2021-10-22 | 2022-08-23 | 세탁기 |
Country Status (5)
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|---|---|
| US (1) | US20240167208A1 (ko) |
| EP (1) | EP4365366A4 (ko) |
| KR (1) | KR20230057787A (ko) |
| CN (1) | CN117897530A (ko) |
| WO (1) | WO2023068523A1 (ko) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121079463A (zh) * | 2023-06-30 | 2025-12-05 | 三星电子株式会社 | 衣物护理设备 |
| CN121079462A (zh) * | 2023-06-30 | 2025-12-05 | 三星电子株式会社 | 衣物处理设备 |
| AU2024332280A1 (en) * | 2023-08-30 | 2025-10-09 | Lg Electronics Inc. | Clothes treatment apparatus |
| KR20250076315A (ko) * | 2023-11-22 | 2025-05-29 | 삼성전자주식회사 | 의류처리장치 |
| KR20250108447A (ko) * | 2024-01-08 | 2025-07-15 | 삼성전자주식회사 | 의류처리장치 |
| KR20250110070A (ko) * | 2024-01-11 | 2025-07-18 | 삼성전자주식회사 | 의류처리장치 |
| WO2025187939A1 (ko) * | 2024-03-07 | 2025-09-12 | 삼성전자주식회사 | 의류처리장치 및 터브의 제조 방법 |
Citations (5)
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| KR20050101740A (ko) * | 2004-04-20 | 2005-10-25 | 엘지전자 주식회사 | 건조겸용 드럼세탁기 |
| KR20060117528A (ko) * | 2005-05-11 | 2006-11-17 | 엘지전자 주식회사 | 세탁기 |
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| JP4679352B2 (ja) * | 2005-11-25 | 2011-04-27 | 株式会社東芝 | 衣類乾燥機 |
| JP4603064B2 (ja) * | 2008-07-04 | 2010-12-22 | パナソニック株式会社 | ドラム式洗濯乾燥機 |
| KR101417778B1 (ko) * | 2009-08-24 | 2014-07-09 | 삼성전자 주식회사 | 세탁기, 세탁기의 이너터브 및 그 조립방법 |
| KR101631545B1 (ko) * | 2009-12-02 | 2016-06-24 | 삼성전자 주식회사 | 드럼 및 이를 가지는 드럼세탁기 |
| KR101951423B1 (ko) * | 2012-10-09 | 2019-04-25 | 엘지전자 주식회사 | 듀얼드럼 세탁기의 서브드럼 구조 및 이를 이용한 서브드럼 결합방법 |
| US11255036B2 (en) * | 2016-07-28 | 2022-02-22 | Samsung Electronics Co., Ltd. | Washing machine |
| JP7269703B2 (ja) * | 2018-05-01 | 2023-05-09 | 青島海爾洗衣机有限公司 | 洗濯乾燥機 |
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2021
- 2021-10-22 KR KR1020210141983A patent/KR20230057787A/ko active Pending
-
2022
- 2022-08-23 WO PCT/KR2022/012578 patent/WO2023068523A1/ko not_active Ceased
- 2022-08-23 EP EP22883749.8A patent/EP4365366A4/en active Pending
- 2022-08-23 CN CN202280056710.9A patent/CN117897530A/zh active Pending
-
2024
- 2024-01-31 US US18/428,215 patent/US20240167208A1/en active Pending
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| KR20050101740A (ko) * | 2004-04-20 | 2005-10-25 | 엘지전자 주식회사 | 건조겸용 드럼세탁기 |
| KR20060117528A (ko) * | 2005-05-11 | 2006-11-17 | 엘지전자 주식회사 | 세탁기 |
| KR20120040379A (ko) * | 2010-10-19 | 2012-04-27 | 엘지전자 주식회사 | 건조겸용 세탁장치 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN117897530A (zh) | 2024-04-16 |
| EP4365366A4 (en) | 2024-10-16 |
| EP4365366A1 (en) | 2024-05-08 |
| US20240167208A1 (en) | 2024-05-23 |
| KR20230057787A (ko) | 2023-05-02 |
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