US20170051446A1 - Washing machine - Google Patents

Washing machine Download PDF

Info

Publication number
US20170051446A1
US20170051446A1 US15/119,123 US201515119123A US2017051446A1 US 20170051446 A1 US20170051446 A1 US 20170051446A1 US 201515119123 A US201515119123 A US 201515119123A US 2017051446 A1 US2017051446 A1 US 2017051446A1
Authority
US
United States
Prior art keywords
tub
opening
drum
cabinet
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.)
Abandoned
Application number
US15/119,123
Other languages
English (en)
Inventor
Jin Ho Lee
Jin Doo Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Assigned to SAMSUNG ELECTRONICS CO., LTD reassignment SAMSUNG ELECTRONICS CO., LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KIM, JIN DOO, LEE, JIN HO
Publication of US20170051446A1 publication Critical patent/US20170051446A1/en
Abandoned legal-status Critical Current

Links

Images

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
    • 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
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
    • 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
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • 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
    • 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 
    • D06F23/02—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 rotating or oscillating 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/266—Gaskets mounted between tub and casing around the loading opening
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • Embodiments of the present disclosure relate to a washing machine, and more particularly, to a washing machine with an improved structure including a laundry-escape prevention unit for preventing laundry from escaping.
  • a washing machine is a device for washing laundry using water and detergent, and includes a cabinet, a tub for holding wash water used for washing inside the cabinet, a drum rotatably installed inside the tub, and a drive device for rotationally driving the drum.
  • a washing machine includes a drum washing machine in which a drum is horizontally disposed to wash laundry by lifting the laundry along an inner circumference of a tub and dropping the laundry when the drum rotates in forward and reverse directions with respect to a horizontal axis, and a vertical axis washing machine in which a drum provided with a pulsator therein is vertically disposed to wash laundry using streams of water generated by the pulsator when the drum rotates in forward and reverse directions with respect to a vertical axis.
  • a washing machine is provided to include a laundry-escape prevention unit for preventing laundry from escaping into an external side of a drum during a spin-dry cycle.
  • a washing machine is provided to have an improved structure which prevents damage to a diaphragm due to rotation of a drum while laundry is being spin-dried.
  • a washing machine includes a cabinet configured to have an opening for loading and retrieving laundry at one side surface of the cabinet, a tub configured to have an opening part corresponding to an opening of the cabinet at a front surface of the tub, and disposed inside the cabinet, a drum configured to have an opening part corresponding to an opening part of the tub at a front surface of the drum, and rotatably installed inside the tub, and a guide member configured to include one side coupled to a front surface portion of the tub and the other side having a shape protruding toward a center of the opening of the cabinet.
  • the guide member may include a first guide configured to extend from the tub toward the center of the opening, and a second guide configured to extend from one side of the first guide in an inward direction of the drum.
  • the guide member may be provided at a position separated leftward from an upper portion of the opening part of the tub by a first angle when viewed from the center of the opening.
  • the first angle may be provided as an acute angle.
  • the washing machine may further include a controller configured to control rotation of the drum, wherein the controller may control the drum to rotate in a counterclockwise direction during a spin-dry cycle when viewed from a front side of the drum.
  • the guide member may include a first guide member disposed at a position separated leftward from an upper portion of the opening part of the tub by a first angle when viewed from the center of the opening, and a second member disposed at a position separated rightward from the upper portion of the opening part of the tub by a second angle when viewed from the center of the opening.
  • the first angle and the second angle may be provided as an acute angle.
  • the first guide may include an upper surface, a first inclined surface forming a first incline angle with the upper surface and extending from one side of the upper surface, and a second inclined surface forming a second incline angle with the upper surface and extending from the other side of the upper surface, and the first incline angle may be provided as greater than the second inclined angle.
  • the first inclined surface of the first guide may be disposed to the right of the upper surface when viewed from the center of the opening.
  • the second guide may have a shape in which a distance between both side surfaces of the second guide narrow from the one side of the first guide in the inward direction of the drum.
  • the washing machine may further include a diaphragm configured to seal a gap between the tub and the cabinet by connecting one side of the diaphragm to the opening part of the tub and connecting the other side of the diaphragm to the opening of the cabinet, wherein the guide member may include a material having strength greater than that of the diaphragm.
  • a washing machine includes a cabinet configured to have an opening for loading and retrieving laundry at one side surface of the cabinet, a tub configured to have an opening part corresponding to the opening of the cabinet at a front surface of the tub, and disposed inside the cabinet, a drum configured to have an opening part corresponding to the opening part of the tub at a front surface of the drum, and rotatably installed inside the tub, a diaphragm configured to seal a gap between the tub and the cabinet by connecting one side of the diaphragm to the tub and connecting the other side of the diaphragm to the cabinet, and a bracket configured to have a protrusion protruding toward a center of the opening between a front surface portion of the drum and the diaphragm.
  • the protrusion of the bracket may have a shape protruding more toward the center of the opening than the front surface portion of the drum.
  • the protrusion of the bracket may have a shape protruding more toward the center of the opening than the diaphragm.
  • the bracket may be provided to couple to one side of a front surface portion of the tub.
  • a washing machine includes a cabinet configured to have an opening for loading and retrieving laundry at one side surface of the cabinet, a tub configured to have an opening part corresponding to the opening of the cabinet at a front surface of the tub, and disposed inside the cabinet, a drum configured to have an opening part corresponding to the opening part of the tub at a front surface of the drum, and rotatably installed inside the tub, a diaphragm configured to seal a gap between the tub and the cabinet by connecting one side of the diaphragm to the tub and connecting the other side of the diaphragm to the cabinet, and a laundry-escape prevention unit configured to prevent the laundry from escaping from an inside of the drum, and coupled to the drum, wherein the laundry-escape prevention unit includes a guide member configured to include one side coupled to a front surface portion of the tub and the other side having a shape protruding toward a center of the opening.
  • the guide member may include a first guide configured to extend from the tub toward the center of the opening, and a second guide configured to extend from one side of the first guide in an inward direction of the drum.
  • the guide member may be disposed at a position separated leftward from an upper portion of the opening part of the tub by a first angle when viewed from the center of the opening.
  • the washing machine may further include a controller configured to control rotation of the drum, wherein the controller may control the drum to rotate in a counterclockwise direction when viewed from a front side of the drum.
  • the first guide may include an upper surface, a first inclined surface forming a first incline angle with the upper surface and extending from one side of the upper surface, and a second inclined surface forming a second incline angle with the upper surface and extending from the other side of the upper surface, and the first incline angle may be provided as greater than the second incline angle.
  • the first inclined surface of the first guide may be disposed at the right of the upper surface when viewed from the center of the opening.
  • the second guide may have a shape in which a distance between both side surfaces of the second guide narrow from one side of the first guide in the inward direction of the drum.
  • the guide member may include a material having strength greater than that of the diaphragm.
  • the laundry-escape prevention unit may include a bracket having a protrusion protruding toward a center of the opening between a front surface portion of the drum and the diaphragm.
  • the protrusion of the bracket may be disposed behind the first guide.
  • the protrusion of the bracket may have a shape protruding more toward the center of the opening than the front surface portion of the drum.
  • the bracket may be provided to couple to one side of the front surface portion of the tub.
  • the washing machine according to the present disclosure may prevent laundry from escaping into outside of a drum while the laundry is being spin-dried.
  • the washing machine according to the present disclosure may prevent damage to a diaphragm due to rotation of the drum while the laundry is being spin-dried.
  • FIG. 1 is a cross-sectional view illustrating a schematic configuration of a washing machine according to one embodiment of the present disclosure.
  • FIG. 2 is an exploded perspective view illustrating a configuration in which one embodiment of a laundry-escape prevention unit is coupled in the washing machine of FIG. 1 according to the present disclosure.
  • FIG. 3 is a front view of the laundry-escape prevention unit of FIG. 2 .
  • FIG. 4 is a cross-sectional view illustrating a cross section of the coupled laundry-escape prevention unit of FIG. 2 .
  • FIG. 5 is an enlarged view illustrating a configuration in which a guide member of FIG. 2 is coupled.
  • FIG. 6 is an enlarged view illustrating a first guide of the guide member of FIG. 5 .
  • FIG. 7 is an enlarged view illustrating a second guide of the guide member of FIG. 5 .
  • FIG. 8 is a perspective view of a bracket of FIG. 2 .
  • FIG. 9 is a view illustrating a first modified example of the guide member of FIG. 1 .
  • FIG. 10 is a view illustrating a second modified example of the guide member of FIG. 1 .
  • FIG. 11 is a view illustrating a first modified example of the laundry-escape prevention unit of FIG. 1 .
  • FIG. 1 is a cross-sectional view illustrating a schematic configuration of a washing machine according to one embodiment of the present disclosure.
  • a washing machine 1 includes a cabinet 10 , a tub 20 , a drum 30 , a diaphragm 40 , a drive device 50 , a controller (not shown), and a laundry-escape prevention unit 100 .
  • the cabinet 10 forms an external appearance of the washing machine 1 .
  • the cabinet 10 includes a plurality of frames 10 a , 10 b , and 10 c , and the plurality of frames 10 a , 10 b , and 10 c are comprised of a front surface frame 10 a forming a front surface of the cabinet 10 , a side surface frame 10 b forming side surfaces and a rear surface thereof, and a lower surface frame 10 c forming a lower surface thereof.
  • An opening 11 is provided at a front surface portion of the cabinet 10 to enable laundry to be loaded into and retrieved from the drum 30 .
  • the opening 11 is opened and closed by a door 15 installed at the front surface of the cabinet 10 .
  • One side of the door 15 may be fixedly installed at the cabinet 10 and the door 15 may rotate centering on the one side thereof to open and close the opening 11 .
  • a control panel may be provided at a front upper portion of the cabinet 10 .
  • the control panel may be provided to control a wash cycle, a rinse cycle, a spin-dry cycle, and the like.
  • the control panel may display information regarding a wash time, a wash course, and the like so as to enable a user to recognize them.
  • the tub 20 is disposed inside the cabinet 10 .
  • the tub 20 may be elastically supported by the cabinet 10 .
  • the tub 20 may be supported by the cabinet 10 through an elastic member (not shown) and a damping member 22 .
  • the elastic member (not shown) and the damping member 22 may reduce delivery of vibration and impact caused by the tub 20 to the cabinet 10 .
  • the elastic member (not shown) may be comprised of a member including a spring, and the damping member 22 may be comprised of a member including an oil damper.
  • the tub 20 may be provided in a cylindrical shape having an inner space.
  • An opening part 21 corresponding to the opening 11 of the cabinet 10 may be provided at a front surface portion of the tub 20 .
  • the opening part 21 provided at the front surface portion of the tub 20 may be disposed behind of the opening 11 of the cabinet 10 .
  • a water supply tube 23 is provided at an upper portion of the tub 20 to supply washing water thereto.
  • One side of the water supply tube 23 is connected to an external water source (not shown), and the other side thereof is connected to a detergent supply device 24 .
  • the detergent supply device 24 is connected to the tub 20 through a connection tube 25 . Water supplied from the water supply tube 23 is provided inside the tub 20 together with detergent via the detergent supply device 24 .
  • a drain pump 26 and a drain tube 27 are disposed at a lower portion of the tub 20 to discharge water inside the cabinet 10 to an external side thereof.
  • the drum 30 is disposed inside the tub 20 .
  • the drum 30 includes a cylinder 31 , a front surface plate 32 disposed in front of the cylinder 31 , and a rear surface plate 33 disposed behind of the cylinder 31 .
  • An opening part 34 for loading and retrieving laundry is formed at the front surface plate 32
  • a drive shaft 51 is formed at the rear surface plate 33 to deliver power from the drive device 50 .
  • the drum 30 is rotatably provided inside the tub 20 .
  • the drum 30 may be supported by the tub 20 to alternately rotate in clockwise and counterclockwise directions.
  • the drum 30 may rotate at a variable rotation speed.
  • the opening part 34 of the drum 30 is provided to correspond to the opening part 21 of the tub 20 .
  • the opening part 34 of the drum 30 may be disposed behind of the opening part 21 of the tub 20 .
  • a plurality of through holes 35 for circulating washing water are formed at the drum 30 .
  • An inner space of the drum 30 may be in communication with the inner space of the tub 20 through the through holes 35 .
  • a plurality of lifters 36 are provided at an inner circumference of the drum 30 so as to lift and drop laundry when the drum 30 rotates.
  • the diaphragm 40 is disposed between the cabinet 10 and the tub 20 .
  • One side of the diaphragm 40 is connected to the opening part 21 of the tub 20 , and the other side thereof is connected to the opening 11 of the cabinet 10 .
  • the diaphragm 40 seals a gap between the opening 11 of the cabinet 10 and the opening part 21 of the tub 20 .
  • the diaphragm 40 prevents washing water inside the tub 20 from leaking to the external side of the cabinet 10 .
  • the diaphragm 40 may be provided with a material having properties of high elasticity and superior expansion and contraction.
  • the diaphragm 40 may include ethylene propylene diene monomer (EPDM). Consequently, the diaphragm 40 may reduce vibration being delivered to the cabinet 10 when the drum 30 rotates.
  • EPDM ethylene propylene diene monomer
  • the drive shaft 51 is disposed between the drum 30 and the drive device 50 .
  • One end of the drive shaft 51 is connected to the rear surface plate 33 of the drum 30 , and the other end thereof extends to an external side of a rear wall of the tub 20 .
  • the drive device 50 drives the drive shaft 51
  • the drum 30 connected to the drive shaft 51 rotates centering thereon.
  • a bearing housing 52 is disposed at the rear wall of the tub 20 to rotatably support the drive shaft 51 .
  • the bearing housing 52 may be made of an aluminum alloy, and may be inserted into the rear wall of the tub 20 when the tub 20 is injection molded.
  • a plurality of bearings 53 are disposed between the bearing housing 52 and the drive shaft 51 so that the driving shaft 51 may rotate smoothly.
  • the drive device 50 rotates the drum 30 at a low speed in forward and reverse directions, and laundry is repeatedly lifted and dropped in the drum 30 to eliminate contaminants from the laundry.
  • the drive device 50 rotates the drum 30 at a high speed in one direction to separate water from the laundry by means of a centrifugal force applied thereto.
  • the laundry-escape prevention unit 100 may prevent laundry from escaping to an external side of the drum 30 during the spin-dry cycle.
  • FIG. 2 is an exploded perspective view illustrating a configuration in which one embodiment of a laundry-escape prevention unit is coupled in the washing machine of FIG. 1
  • FIG. 3 is a front view of the laundry-escape prevention unit of FIG. 2
  • FIG. 4 is a cross-sectional view illustrating a cross section of the coupled laundry-escape prevention unit of FIG. 2
  • FIG. 5 is an enlarged view illustrating a configuration in which a guide member of FIG. 2 is coupled.
  • the laundry-escape prevention unit 100 may include a guide member 110 and a bracket 120 .
  • one side of the guide member 110 may be coupled to one side of the front surface portion of the tub 20 , and the other side thereof may have a shape protruding toward the center of the opening 11 of the cabinet 10 .
  • the guide member 110 may be disposed at a position separated leftward from an upper portion of the opening part 21 of the tub 20 by a first angle ⁇ when viewed from a center of the opening 11 .
  • the first angle ⁇ may be provided as an acute angle.
  • the first angle ⁇ may be provided to be in the range of 45° to 60°.
  • the guide member 110 may include a first guide 111 and a second guide 112 .
  • the first guide 111 may be provided to extend from the tub 20 in a central direction of the opening 11 of the cabinet 10 . As shown in FIG. 4 , the first guide 111 may have a shape extending more toward the center of the opening 11 by as much as a third distance d 3 than a front surface portion 30 a of the drum 30 . According to one example, the third distance d 3 may be provided to be in the range of 15 to 20 mm.
  • One side of the first guide 111 may be provided to be coupled to an outer surface of the front surface portion of the tub 20 .
  • the first guide 111 may be fixedly coupled to the outer surface of the front surface portion of the tub 20 through a screw coupler 116 .
  • FIG. 6 is an enlarged view of a first guide of the guide member of FIG. 5 .
  • the first guide 111 may include an upper surface 113 , a first inclined surface 114 forming a first incline angle ⁇ 1 with the upper surface 113 and extending from one side thereof, and a second inclined surface 115 forming a second incline angle ⁇ 2 with the upper surface 113 and extending from the other side thereof.
  • the upper surface 113 of the first guide 111 is defined as a surface facing the center of the opening 11 .
  • the first inclined surface 114 may be disposed at a right side of the upper surface 113 when viewed from the center of the opening 11 .
  • the first incline angle ⁇ 1 formed between the upper surface 113 and the first inclined surface 114 may be provided as greater than the second incline angle ⁇ 2 formed between the upper surface 113 and the second inclined surface.
  • the first incline angle ⁇ 1 may be provided to be 140°.
  • the second inclined surface 115 may be disposed at a left side of the upper surface 113 when viewed from the center of the opening.
  • the second angle ⁇ 2 formed between the upper surface 113 and the second inclined surface 115 may be provided as less than the first angle ⁇ 1 formed between the upper surface 113 and the first inclined surface 114 .
  • the second angle ⁇ 2 formed between the upper surface 113 and the second inclined surface 115 may be provided to be 110°.
  • the first angle ⁇ 1 of the first guide 111 may be provided as less than the second angle ⁇ 2 of the second guide 112 .
  • the guide member 110 may be disposed at a position separated rightward from the upper portion of the opening part 21 of the tub 20 by the first angle ⁇ 1 when viewed from the center of the opening 11 .
  • the controller (not shown) may control the drum 30 to rotate in the clockwise direction when viewed from the front side of the drum 30 .
  • FIG. 7 is an enlarged view of a second guide of the guide member of FIG. 5 .
  • the second guide 112 may be provided to extend from one side of the first guide 111 in an inward direction of the drum 30 .
  • the second guide 112 may extends to a position at which some portions are overlapped with the opening part 34 of the drum 30 when viewed from the center of the opening 11 .
  • the second guide 112 may have a shape extending from the front surface portion 30 a of the drum 30 in a rear direction thereof by as much as a fourth distance d 4 when viewed from the center of the opening 11 .
  • the fourth distance d 4 may be provided to be 10 mm.
  • the second guide 112 may have a shape in which a distance between both side surfaces of the second guide 112 narrow from the one side of the first guide 111 in the inward direction of the drum 30 .
  • a left surface of the second guide 112 may be provided to form a third angle ⁇ 3 with the first guide 111
  • a right surface thereof may be provided to form a fourth angle ⁇ 4 with the first guide 111 .
  • the third angle ⁇ 3 and the fourth angle ⁇ 4 may be provided to be identical to each other.
  • the third angle ⁇ 3 and the fourth angle ⁇ 4 may be provided to be 130°.
  • the controller may control the drum 30 to rotate in the counterclockwise direction when viewed from the front side of the drum 30 during the spin-dry cycle.
  • the guide member 110 may include a material having strength greater than that of the diaphragm 40 .
  • the guide member 110 may include a material having strength which maintains a certain shape even while in contact with rotating laundry during the spin-dry cycle.
  • FIG. 8 is a perspective view of a bracket of FIG. 2 .
  • the bracket 120 may be provided in a ring shape having a hollow.
  • the bracket 120 may be coupled to and installed at one side of the tub 20 .
  • the bracket 120 may be coupled to and installed at a rear side of the front surface of the tub 20 .
  • the bracket 120 includes a protrusion 121 .
  • the protrusion 121 may have a shape protruding toward the center of the opening 11 between the front surface portion 30 a of the drum 30 and the diaphragm 40 .
  • the protrusion 121 may be provided in a shape extending more toward the center of the opening 11 by as much as the first distance d 1 than the front surface portion 30 a of the drum 30 .
  • the first distance d 1 may be provided be 3 mm or less.
  • the protrusion 121 may be disposed in front of the front surface portion 30 a of the drum 30 by the second distance d 2 .
  • the second distance d 2 may be provided to be in the range of 3 to 6 mm.
  • the protrusion 121 may be provided to maintain a gap by as much as the second distance d 2 between the drum 30 and the protrusion 121 during the wash cycle or the spin-dry cycle. Consequently, the bracket 120 may prevent the diaphragm 40 and the drum 30 from coming in contact with each other when the drum 30 rotates.
  • FIG. 9 is a view illustrating a first modified example of the guide member of FIG. 1 .
  • a guide member 130 may include a first guide 131 and a second guide 132 .
  • the guide member 130 has a different configuration only regarding the first guide 131 .
  • the first guide 131 may include an upper surface 133 , a first inclined surface 134 , and a second inclined surface 135 .
  • the first inclined surface 134 may form a fifth incline angle ⁇ 5 with the upper surface 133 and may have a shape extending from one side of the upper surface 133 .
  • the second inclined surface 135 may form the fifth incline angle ⁇ 5 with the upper surface 133 and may have a shape extending from the other side of the upper surface 133 .
  • the first guide 131 may be provided so that both sides of the inclined surfaces of the upper surface 133 have the same incline angle.
  • FIG. 10 is a view illustrating a second modified example of the guide member of FIG. 1 .
  • a guide member 71 may be integrally provided with a tub 70 .
  • the tub 70 may be manufactured in a shape including the guide member 71 at one side of a front surface portion of the tub 70 . Therefore, unlike the guide member 110 of FIG. 3 , the guide member 71 may be provided at a predetermined position without being coupled through a screw and the like.
  • a shape, a position, and a function of the guide member 71 are the same as those of the guide member 110 of FIG. 3 such that a description thereof will be omitted.
  • FIG. 11 is a view illustrating a first modified example of the laundry-escape prevention unit of FIG. 1 .
  • the laundry-escape prevention unit includes guide members 110 and 140 and the bracket 120 .
  • a plurality of the guide members 110 and 140 may be provided.
  • the guide members 110 and 140 may include the first guide member 110 and a second guide member 140 .
  • the first guide member 110 is the same as the guide member 110 of FIG. 3 such that a description thereof will be omitted.
  • the second guide member 140 may be disposed at a position separated rightward from the upper portion of the opening part 21 of the tub 20 by a second angle ⁇ when viewed from the center of the opening 11 .
  • the second angle ⁇ may be provided as an acute angle.
  • the second angle ⁇ may be provided to be in the range of 45° to 60°.
  • the second angle ⁇ may be provided to be the same as the first angle ⁇ .
  • the washing machine 1 performs a spin-dry cycle after a wash cycle is completed.
  • the drum 30 rotates at a low speed by alternating a direction in clockwise and counterclockwise directions.
  • the laundry-escape prevention unit 100 may come in contact with the laundry to prevent the laundry from escaping to the outer side of the drum 30 .
  • the drum 30 rotates at a high speed in one direction to perform the spin-dry cycle.
  • the drum 30 since the guide member 110 is disposed at the position separated leftward from the upper portion of the opening part of the tub 20 when viewed from the center of the opening 11 , the drum 30 may rotate in the counterclockwise direction to spin-dry the laundry.
  • the laundry may be moved in front of the opening part of the drum 30 .
  • the laundry placed at the opening part of the drum 30 is rotated together therewith to come in contact with the guide member 110 .
  • the laundry comes in contact with the first guide 111 of the guide member 110 and then sequentially comes in contact with the first inclined surface 114 and the second guide 112 .
  • the laundry is moved inside the drum 30 due to impacts from the first guide 111 and the second guide 112 .
  • the first inclined surface 114 of the first guide 111 forms the first incline angle ⁇ 1 with the upper surface 113 , such that it may more effectively prevent the laundry from being moved outside of the drum 30 .
  • the laundry may come in contact with the guide member 110 in a separated state from an internal surface of the drum 30 due to gravity when passing the upper portion of the drum 30 . As a result, this may effectively prevent the laundry from being moved outside the drum 30 to move the laundry therein.
  • the protrusion 121 of the bracket 120 may prevent laundry, which has a volume less than that of the laundry prevented by the guide member 110 described above, from being moved in front of the opening part of the drum 30 .
  • some of the laundry may be moved outside of the opening part of the drum 30 to come in contact with the protrusion 121 of the bracket 120 fixedly installed at the tub 20 .
  • the rotating laundry is in contact with the protrusion 121 of the bracket 120 which is stopped, the laundry is moved inside the drum 30 due to an impact caused by the contact.
  • the laundry-escape prevention unit 100 may effectively prevent the laundry from being moved outside of the opening part of the drum 30 during the spin-dry cycle using the guide member 110 and the bracket 120 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
US15/119,123 2014-02-13 2015-02-10 Washing machine Abandoned US20170051446A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020140016511A KR102201404B1 (ko) 2014-02-13 2014-02-13 세탁기
KR10-2014-0016511 2014-02-13
PCT/KR2015/001331 WO2015122673A1 (ko) 2014-02-13 2015-02-10 세탁기

Publications (1)

Publication Number Publication Date
US20170051446A1 true US20170051446A1 (en) 2017-02-23

Family

ID=53800355

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/119,123 Abandoned US20170051446A1 (en) 2014-02-13 2015-02-10 Washing machine

Country Status (5)

Country Link
US (1) US20170051446A1 (ko)
EP (1) EP3106559B1 (ko)
KR (1) KR102201404B1 (ko)
CN (1) CN105980621B (ko)
WO (1) WO2015122673A1 (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3757272A1 (de) * 2019-06-26 2020-12-30 BSH Hausgeräte GmbH Manschette für ein wäschebehandlungsgerät, wäschebehandlungsgerät und verfahren zum einstellen eines spaltmasses
US11434594B2 (en) 2019-05-23 2022-09-06 Whirlpool Corporation Laundry appliance
US11761134B2 (en) 2019-05-23 2023-09-19 Whirlpool Corporation Laundry appliance

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102598162B1 (ko) * 2018-06-14 2023-11-06 삼성전자주식회사 세탁기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040088881A1 (en) * 2002-08-13 2004-05-13 Karl-Heinz Buss Laundry treatment machine
US20050178169A1 (en) * 2004-02-13 2005-08-18 Kim Jae K. Gasket and drum-type washing machine having the same
US20080289118A1 (en) * 2007-05-21 2008-11-27 Samsung Electronics Co., Ltd. Washing machine and control method of maintaining a balanced state of laundry thereof
US20100325911A1 (en) * 2007-02-27 2010-12-30 BSH Bosch und Siemens Hausgeräte Laundry deflector device for a household appliance for attending to items of laundry, and such a household appliance
WO2011073443A1 (en) * 2009-12-20 2011-06-23 BSH Bosch und Siemens Hausgeräte GmbH Front loading washing machine having a gasket

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100313644B1 (ko) * 1999-02-18 2001-11-17 윤종용 드럼세탁기의 세탁포 이탈방지장치 및 운전방법
DE202004012221U1 (de) * 2004-08-04 2004-09-30 BSH Bosch und Siemens Hausgeräte GmbH Wäschebehandlungsgerät mit einem Wäscheabweiser
DE102004043671B4 (de) * 2004-09-07 2008-04-10 Miele & Cie. Kg Frontbeschickbare Trommelwaschmaschine mit Wäscheabweiser an der Faltenbalgdichtung
EP1690969A1 (en) * 2005-02-10 2006-08-16 Electrolux Home Products Corporation N.V. Improvement in the front flange of a household-type clothes washing machine
KR101175731B1 (ko) * 2005-06-10 2012-08-21 주식회사 대우일렉트로닉스 드럼 세탁기의 세탁물 이탈 감지장치
ITTO20050117U1 (it) * 2005-08-08 2007-02-09 Indesit Co Spa Macchina lavabiancheria o lavasciuga con dispositivo respingente
JP4301257B2 (ja) * 2006-06-21 2009-07-22 パナソニック株式会社 ドラム式洗濯機
JP2008307430A (ja) * 2008-09-30 2008-12-25 Sanyo Electric Co Ltd 電気洗濯機
JP5531048B2 (ja) * 2012-04-04 2014-06-25 シャープ株式会社 洗濯機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040088881A1 (en) * 2002-08-13 2004-05-13 Karl-Heinz Buss Laundry treatment machine
US20050178169A1 (en) * 2004-02-13 2005-08-18 Kim Jae K. Gasket and drum-type washing machine having the same
US20100325911A1 (en) * 2007-02-27 2010-12-30 BSH Bosch und Siemens Hausgeräte Laundry deflector device for a household appliance for attending to items of laundry, and such a household appliance
US20080289118A1 (en) * 2007-05-21 2008-11-27 Samsung Electronics Co., Ltd. Washing machine and control method of maintaining a balanced state of laundry thereof
WO2011073443A1 (en) * 2009-12-20 2011-06-23 BSH Bosch und Siemens Hausgeräte GmbH Front loading washing machine having a gasket

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11434594B2 (en) 2019-05-23 2022-09-06 Whirlpool Corporation Laundry appliance
US11761134B2 (en) 2019-05-23 2023-09-19 Whirlpool Corporation Laundry appliance
EP3757272A1 (de) * 2019-06-26 2020-12-30 BSH Hausgeräte GmbH Manschette für ein wäschebehandlungsgerät, wäschebehandlungsgerät und verfahren zum einstellen eines spaltmasses

Also Published As

Publication number Publication date
KR20150095335A (ko) 2015-08-21
EP3106559A4 (en) 2017-08-30
KR102201404B1 (ko) 2021-01-12
CN105980621B (zh) 2018-12-07
CN105980621A (zh) 2016-09-28
WO2015122673A1 (ko) 2015-08-20
EP3106559B1 (en) 2019-12-11
EP3106559A1 (en) 2016-12-21

Similar Documents

Publication Publication Date Title
US10422064B2 (en) Washing apparatus and control method for the same
US9598811B2 (en) Washing machine
EP3239386B1 (en) Washing machine
EP3189179B1 (en) Washing machine
CA2956138C (en) Laundry treatment apparatus
US20130036774A1 (en) Washing machine
US20150211163A1 (en) Washing machine
EP3106559B1 (en) Washing machine
US10669665B2 (en) Washing machine having multiple washing units
US10344420B2 (en) Washing machine
US20180355540A1 (en) Washing machine
CA2957260C (en) Laundry treatment apparatus with drawer door guide in cabinet
KR20150112386A (ko) 드럼세탁기
US20160017530A1 (en) Washing machine
US20040163425A1 (en) Drum type washing machine
KR20140147325A (ko) 도어용 힌지 장치 및 이를 포함하는 드럼 세탁기
US11174580B2 (en) Washing machine
KR100826206B1 (ko) 드럼세탁기
US7428832B2 (en) Drum washing machine
US11713533B2 (en) Washing machine
US11306425B2 (en) Washing machine

Legal Events

Date Code Title Description
AS Assignment

Owner name: SAMSUNG ELECTRONICS CO., LTD, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LEE, JIN HO;KIM, JIN DOO;REEL/FRAME:039438/0897

Effective date: 20160531

STPP Information on status: patent application and granting procedure in general

Free format text: FINAL REJECTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: ADVISORY ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER

STPP Information on status: patent application and granting procedure in general

Free format text: FINAL REJECTION MAILED

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION