WO2024117509A1 - Lave-linge - Google Patents

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Publication number
WO2024117509A1
WO2024117509A1 PCT/KR2023/015315 KR2023015315W WO2024117509A1 WO 2024117509 A1 WO2024117509 A1 WO 2024117509A1 KR 2023015315 W KR2023015315 W KR 2023015315W WO 2024117509 A1 WO2024117509 A1 WO 2024117509A1
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WO
WIPO (PCT)
Prior art keywords
agitator
pulsator
guide
washing machine
coupled
Prior art date
Application number
PCT/KR2023/015315
Other languages
English (en)
Korean (ko)
Inventor
이규남
Original Assignee
삼성전자 주식회사
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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Publication of WO2024117509A1 publication Critical patent/WO2024117509A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
    • D06F37/14—Ribs or rubbing means forming part of the receptacle

Definitions

  • Embodiments of the present disclosure relate to a washing machine including an agitator that is detachably coupled to a pulsator.
  • washing machine is a device that washes laundry using friction between laundry and water (eg, wash water).
  • washing machines can be divided into front-load type (eg, drum type) washing machines and top-load type (eg, pulsator type).
  • a drum containing laundry In a front-load type washing machine, a drum containing laundry is arranged horizontally or inclined to the ground, and when the drum rotates, the laundry contained in the drum repeatedly rises and falls, thereby performing washing.
  • a drum that accommodates laundry In a top-load type washing machine, a drum that accommodates laundry is arranged perpendicular to the ground, and a pulsator that generates a rotating water flow is provided on the bottom of the drum, so that washing is performed using the water flow generated by the pulsator. .
  • an agitator may be provided that is coupled to the pulsator and rotates with the pulsator during washing.
  • Various embodiments of the present disclosure may provide a washing machine having an agitator detachment structure that allows the agitator to be detachably coupled to the pulsator.
  • a washing machine may include a pulsator having a receiving portion.
  • the washing machine is coupled to the receiving portion of the pulsator and may include a pulsator guide having a plurality of fixing protrusions spaced apart at predetermined intervals along an upper horizontal circumference.
  • the washing machine may include an agitator including an agitator body and an agitator guide movable up and down inside the agitator body.
  • the agitator guide may include a guide pole extending in a vertical direction.
  • the agitator guide may include a plurality of protrusion receiving portions arranged to surround the upper horizontal circumference of the pulsator guide on the lower side of the guide pole.
  • the agitator guide is surrounded by the plurality of protrusion receiving portions and is disposed on an upper side of the pulsator guide and may include an elastic member that provides elastic force to the agitator guide in the vertical direction.
  • Each of the plurality of protrusion receiving portions defines a receiving groove recessed radially outward to accommodate each of the plurality of fixing protrusions and may include a pair of guide ribs protruding radially inward.
  • the guide rib pair includes both side parts extending in the vertical direction, and grooves may be formed at each position of the two side parts corresponding to the horizontal direction.
  • the agitator body may be configured to gradually widen in diameter toward the top.
  • the agitator body may further include a spiral agitator blade disposed on the surface.
  • the agitator blade may be configured so that the spiral diameter gradually becomes wider toward the top.
  • the agitator is disposed between the agitator body and the guide pole, and may further include a guide fixing portion formed with a hole through which the guide pole passes.
  • the guide fixing part may be configured to have an overall cross shape when looking at the agitator from above so that a space is formed between the guide fixing part and the agitator body.
  • the agitator may further include a damper fitted into the hole of the guide fixing part to surround at least a portion of the guide pole.
  • each of the protrusion receiving portions moves downward so that the grooves on both sides of the protruding accommodating portion may be positioned adjacent to the corresponding fixing protrusions in the horizontal direction.
  • each of the fixing protrusions passes through one of the grooves of the adjacent protrusion receiving portion and is separated from the receiving groove. You can.
  • the guide rib pair may further include lower portions connecting lower portions of the both sides to each other. Due to the elastic force of the elastic member, the fixing protrusion corresponding to the space of the receiving groove defined by the both sides and the lower side of the protrusion receiving portion may be engaged.
  • the agitator may include a pulsator cap configured to be selectively coupled to the agitator or the pulsator.
  • the agitator body may have an opening formed on its upper side.
  • the pulsator cap may be coupled to the upper side of the agitator body to cover the opening when the agitator is coupled to the pulsator.
  • the pulsator cap may be coupled to the pulsator to cover the receiving portion of the pulsator when the agitator is separated from the pulsator.
  • the guide pole may be configured to be detachable by screw coupling or hook coupling.
  • the washing machine may include a pulsator with a receiving portion at the center.
  • the washing machine may include an agitator whose one end is accommodated in the receiving portion and is detachably coupled to the pulsator depending on the washing mode, and where an opening is formed at the upper side.
  • the washing machine may include a pulsator cap selectively coupled to the pulsator or the agitator to cover the accommodating portion of the pulsator or the opening of the agitator depending on the washing mode.
  • the pulsator cap is coupled on the upper side of the agitator to cover the opening in a power washing mode in which the agitator is coupled to the pulsator, and the agitator is separated from the pulsator. In the normal washing mode, it can be coupled to the pulsator to cover the receiving part of the pulsator.
  • the pulsator and the agitator may be coupled by fixing the fixing protrusion provided on the pulsator guide of the pulsator to the protrusion receiving portion provided on the agitator guide of the agitator.
  • the fixing protrusions of the pulsator guide are transferred to the protrusion receiving portion without distinction of direction through a pair of grooves provided on both sides of the protrusion receiving portion of the agitator guide. You can enter or exit. Therefore, the agitator can be easily combined or separated from/to the pulsator, thereby improving user convenience.
  • the same cap may be configured to be coupled to both the upper part of the agitator and the upper part of the pulsator.
  • the agitator when the agitator is used in combination with the pulsator using the same single cap, the upper part of the agitator is covered, and when the agitator is used separately from the pulsator, the agitator is used separately from the pulsator.
  • the cap can be removed from the agitator to cover a corresponding location on the pulsator, such as the agitator coupling. Therefore, it is possible to prevent laundry from getting caught during washing and at the same time prevent loss of the corresponding cap.
  • FIG. 1 is a perspective view of a washing machine according to one embodiment.
  • Figure 2 is a cross-sectional view of a washing machine according to one embodiment.
  • Figure 3 is a diagram showing the agitator separated from the pulsator, in one embodiment.
  • Figure 4 is an enlarged view of portion A shown in Figure 3.
  • Figure 5 is an exploded perspective view of an agitator, in one embodiment.
  • Figure 6 is an enlarged view of portion B shown in Figure 2 showing the pulsator cap removed.
  • FIG. 7 is an enlarged view of portion C shown in FIG. 2 showing the portion corresponding to the agitator upper body removed from the agitator.
  • FIG. 8 is a view showing part D shown in FIG. 7 as seen from the inside of the agitator guide.
  • Figure 9 is a cross-sectional view showing a state in which an agitator is coupled to a pulsator, in one embodiment.
  • FIG. 10 is a cross-sectional view taken along line A-A' shown in FIG. 9.
  • Figure 11 is a partial cross-sectional view showing the agitator while it is being separated from the pulsator, in one embodiment.
  • FIG. 12 is a cross-sectional view taken along line A-A' shown in FIG. 11.
  • Figure 13 is a view showing the appearance of the pulsator with the pulsator cap removed, in one embodiment.
  • Figure 14 is a view showing the appearance of the pulsator in a state in which the pulsator cap is coupled, in one embodiment.
  • Figure 15 is an enlarged view showing the portion where the pulsator cap is coupled to the pulsator, in one embodiment.
  • a or B “at least one of A and B”, “at least one of A or B”, “A, B or C”, “at least one of A, B and C”, and “A Each of phrases such as “at least one of , B, or C” may include any one of the items listed with the corresponding phrase, or any possible combination thereof.
  • first may be used simply to distinguish the component from other components, and may refer to the component in other aspects (e.g. : not limited by importance or order).
  • One (e.g., first) component is “coupled,” “connected,” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.”
  • first component is “coupled,” “connected,” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.”
  • the expression “configured to” may be used depending on the context, such as “suitable for,” “having the ability to,” “designed to,” “modified to,” or “made to.” , or “can do”, etc. can be used appropriately.
  • the term “configured to” may not necessarily mean “specially designed” in terms of hardware. Instead, in some situations, the expression “a device configured to” may mean that the device is “capable of” working with other devices or components.
  • the phrase “a device configured (or set) to perform A, B, and C” refers to a general-purpose device that can perform a variety of operations, including those operations, or a dedicated device for performing those operations. can do.
  • FIG. 1 is a perspective view of a washing machine according to one embodiment.
  • the washing machine 1 may include a casing 10, a top cover 12, a door 14, and a control panel 16.
  • the casing 10 may form the overall appearance of the washing machine 1.
  • the casing 10 for example, has an open top and bottom and may be configured to have a substantially rectangular parallelepiped shape.
  • the casing 10 may include a front panel 10a, a rear panel 10b, a side panel 10c, and a base (10d in FIG. 2).
  • the front panel 10a may form the front part of the washing machine 1.
  • the rear panel 10b may form the rear portion of the washing machine 1.
  • the side panel 10c may form both side parts of the washing machine 1.
  • the base 10d may form the bottom surface of the washing machine 1.
  • the top cover 12 may be disposed on the top of the casing 10.
  • the top cover 12 may be arranged to cover, for example, an opening formed at the top of the casing 10 .
  • the top cover 12 may be provided with an inlet (12a in FIG. 2) for putting laundry into a drum (30 in FIG. 2), which will be described later.
  • control panel 16 may be placed on one side of the top cover 12.
  • the control panel 16 may be located at the rear edge of the top cover 12, for example, adjacent the rear panel 10b of the casing 10.
  • the control panel 16 may be configured to receive commands regarding the overall operation of the washing machine 1 from the user.
  • the control panel 16 may include a power button for turning on/off the power of the washing machine 1 and/or function buttons for performing various washing modes of the washing machine 1.
  • the control panel 16 may be configured to display operation information of the washing machine 1.
  • the door 14 may be rotatably coupled to the top cover 12.
  • the door 14 may be coupled to the top cover 12 to open and close the inlet 12a provided in the top cover 12 according to the user's motion.
  • the top cover 12 may have at least a portion of a transparent window so that the user can see the inside of the washing machine 1 (eg, the drum 40) from the outside.
  • Figure 2 is a cross-sectional view of a washing machine according to one embodiment.
  • the washing machine 1 may include a tub 20, a drum 30, a pulsator 40, a driving device, and an agitator 60.
  • the tub 20 may be configured to accommodate washing water.
  • the tub 20 may be, for example, provided in a cylindrical shape with an open top.
  • the tub 20 may be disposed inside the casing 10.
  • the tub 20 may be supported within the casing 10 by a suspension device 25 .
  • a water supply pipe 21 may be disposed on the upper side of the tub 20 to supply water (eg, washing water) to the tub 20.
  • one end of the water supply pipe 21 may be connected to an external water supply source (not shown).
  • a water supply valve 22 configured to adjust the flow rate of water supplied from the water supply source (not shown) may be disposed at one end of the water supply pipe 21.
  • the other end of the water supply pipe 21 may be connected to the detergent supply device 23.
  • the detergent supply device 23 may be configured to accommodate detergent for washing laundry. In this case, water supplied through the water supply pipe 21 may be supplied into the tub 20 along with detergent via the detergent supply device 23.
  • a drain pipe 27 may be disposed on the lower side of the tub 20 to discharge washing water to the outside.
  • 28 drain valves configured to control the flow rate of discharged washing water may be disposed in the drain pipe 27.
  • the drum 30 may be configured to accommodate laundry.
  • the drum 30 may be, for example, provided in a cylindrical shape with an open top.
  • the drum 30 may be placed inside the tub 20.
  • a balancer 34 may be provided on the upper part of the drum 30 to allow the drum 30 to rotate stably when rotating at high speed.
  • the balancer 34 may be arranged to resolve load imbalance caused by laundry.
  • a plurality of through holes 32 may be provided on the side of the drum 30 to allow washing water to flow in and out of the drum 30.
  • the pulsator 40 may be rotatably provided at the lower part of the drum 30.
  • the pulsator 40 may generate a wash water flow during a wash cycle. Laundry contained in the drum 30 may be washed by the washing water stream formed by the pulsator 40.
  • the driving device may be configured to rotate the drum 30 and/or the pulsator 40.
  • the driving device may include a motor 50 that converts electrical force into mechanical rotational force and a shaft system that transmits the driving force of the motor 50 to the drum 30 and/or pulsator 40. .
  • the motor 50 may include a fixed stator 51 and a rotor 52 that rotates by electromagnetically interacting with the stator 51.
  • the shaft system includes a deshrinking shaft 59 provided to transmit the driving force of the motor 50 to the drum 30, and a washing machine provided to transmit the driving force of the motor 50 to the pulsator 40. It may include a shaft 58 and a clutch device 53 that connects or disconnects the motor 50 and the deshrinking shaft 59.
  • the deshrinkage 59 may be formed to have a hollow body.
  • the washing shaft 58 may be disposed in the hollow of the dehydration shaft 59.
  • the washing shaft 58 may be connected to the rotor 52 of the motor 50.
  • the dehydration 59 may be connected to or disconnected from the rotor 52 of the motor 50 by the clutch device 53.
  • the clutch device 53 connects the deshrinking shaft 59 and the motor 50, power is transmitted to both the deshrinking shaft 59 and the washing shaft 58 to operate the drum 30 and the pulsator ( 40) can rotate simultaneously.
  • the pulsator 40 and the drum 30 rotate at the same time (e.g., spin-drying process)
  • the laundry contained within the drum 30 rotates and the centrifugal force caused by the rotation causes the laundry contained in the laundry to be removed.
  • the centrifugal force caused by the rotation causes the laundry contained in the laundry to be removed.
  • laundry may be dehydrated.
  • only the pulsator 40 can rotate by the power transmitted to the washing shaft 58.
  • a washing water stream may be generated by the rotation of the pulsator 40. As the laundry is rotated by the generated washing water flow, the laundry may be washed through friction with the drum 30.
  • the clutch device 53 may include an actuator 54, a rod 55, a lever 56, and a coupling 57.
  • the actuator 54 may generate driving force for power switching.
  • the rod 55 may be arranged to move in a straight line by the operation of the actuator 54.
  • lever 56 may be rotatably connected to rod 55.
  • the coupling 57 may be coupled to the desiccation shaft 59 to raise/lower in accordance with the operation of the lever 56. In this case, when the coupling 57 descends, it is connected to the rotor 52 so that the driving force of the motor 50 can be transmitted to the dehydration shaft 59, and when the coupling 57 rises, it is separated from the rotor 52. Therefore, the driving force of the motor 50 may not be transmitted to the de-shrinkage 59.
  • the agitator 60 may be detachably coupled to the pulsator 40.
  • the agitator 60 may be separated from the pulsator 40 during a normal washing cycle, and may be coupled to the pulsator 40 during a strong washing cycle.
  • the agitator 60 rotates like the pulsator 40 and can generate a stronger water flow.
  • the structure of the agitator 60 for separation or combination with the pulsator 40 will be described later.
  • Figure 3 is a diagram showing the agitator separated from the pulsator, in one embodiment.
  • Figure 4 is an enlarged view of portion A shown in Figure 3.
  • the pulsator 40 includes a base plate 41, an agitator coupling portion 42, a wing portion 43, and a pulsator guide 44. can do.
  • the base plate 41 may be configured to have a mound in the center.
  • a plurality of through holes 411 may be provided on the upper surface of the base plate 41 to discharge washing water near the pulsator 40 downward.
  • the agitator coupling portion 42 may be provided in the central portion of the base plate 41.
  • the agitator coupling portion 42 is recessed from the upper surface of the base plate 41 and may form a receiving space in which at least a portion of the agitator 60 is accommodated.
  • a plurality of receiving grooves 421 may be defined in the receiving space formed in the agitator coupling portion 42.
  • each of the plurality of receiving grooves 421 may be defined to be spaced apart at a predetermined distance along the circumferential direction in the receiving space of the agitator coupling portion 42.
  • at least a portion (eg, lower part) of the agitator 60 may be accommodated in each receiving groove 421.
  • the wing portion 43 may be formed to extend radially outward from the agitator coupling portion 42 . In one embodiment, the wings 43 may be formed to protrude upward from the upper surface of the pulsator 40. In one embodiment, the wing portions 43 may be provided in plural numbers. In one embodiment, each of the plurality of wings 43 may be arranged to be spaced apart at a predetermined distance along the circumferential direction of the pulsator 40. According to one embodiment, coupling holes 431 may be formed in at least some of the plurality of wing parts 43 (for example, two wing parts 43 facing each other). According to one embodiment, as described later, the pulsator cap 66 may be coupled to the top of the pulsator 40 through the coupling hole 431.
  • the pulsator guide 44 may be disposed inside the agitator coupling portion 42, for example, inside the receiving space. According to one embodiment, the pulsator guide 44 may be fixed to the pulsator 40 through a fastening member 45. According to one embodiment, a radially protruding fixing protrusion 441 may be provided around the upper portion of the pulsator guide 44. In one embodiment, a plurality of fixing protrusions 441 may be provided, and the plurality of fixing protrusions 441 may be arranged at a predetermined distance along the circumference of the pulsator guide 44.
  • Figure 5 is an exploded perspective view of an agitator, in one embodiment.
  • Figure 6 is an enlarged view of portion B shown in Figure 2 showing the pulsator cap removed.
  • the agitator 60 includes an agitator body, an agitator guide 63, an elastic member 64, a fixing member 65, and an agitator cap (or, Pulsator cap) (66) may be included.
  • the agitator body may form the overall appearance of the agitator 60.
  • the agitator body may include an agitator upper body 61 and an agitator lower body 62.
  • the agitator upper body 61 may form the upper exterior of the agitator 60.
  • the agitator upper body 61 may be provided in a cylindrical shape with a hollow portion therein.
  • an opening open upward may be provided in the upper part of the agitator upper body 61.
  • the agitator upper body 61 may be provided so that its diameter gradually increases toward the top.
  • an agitator blade 611 may be disposed on the surface of the agitator upper body 62.
  • the agitator blade 611 may be formed to extend upward along the circumference of the agitator upper body 62 to have a spiral shape.
  • the spiral diameter of the agitator blade 611 may be provided to increase upward corresponding to the diameter of the agitator upper body 61.
  • the agitator lower body 62 may form the lower exterior of the agitator 60.
  • an insertion protrusion 621 may be provided on the lower part of the agitator lower body 62.
  • the insertion protrusion 621 may be provided to have a shape corresponding to the receiving groove 421 of the agitator coupling portion 42 of the pulsator 40.
  • a plurality of insertion protrusions 621 may be provided.
  • the insertion protrusion 621 may be provided in a number corresponding to the number of receiving grooves 421 of the agitator coupling portion 42.
  • the agitator lower body 62 may be provided with a support portion 622 for supporting the elastic member 64 in the central portion.
  • the agitator guide 63 may be disposed to move up and down inside the agitator body. The vertical movement of the agitator guide 63 will be described later.
  • the agitator guide 63 may include a guide pole 631, a guide plate 632, and a plurality of protrusion receiving portions 633.
  • the guide pole 631 may be formed to extend in the vertical direction.
  • the guide pole 631 although not specifically shown, may be provided to have a separate structure.
  • the guide pole 631 may be configured so that the upper and lower parts are separable by a screw coupling method or a hook coupling method.
  • the guide pole 631 may be formed integrally.
  • the guide plate 632 may be connected to the lower end of the guide pole 631.
  • the guide plate 632 may be provided to have an overall disk shape.
  • each of the plurality of protrusion receiving portions 633 may extend downward from the guide plate 632.
  • the plurality of protrusion receiving portions 633 may be arranged at predetermined intervals along the circumference of the guide plate 632.
  • a pair of guide ribs 626 may be provided on the inner surface of the agitator lower body 62 to guide the vertical movement of the agitator guide 63.
  • the guide rib pair 626 may include a pair of guide ribs disposed opposite to each other to surround the protrusion receiving portion 633 of the agitator guide 63.
  • each guide rib forming the guide rib pair 626 extends in a vertical direction along the inner surface of the agitator lower body 62 and protrudes inwardly of the agitator lower body 62. May include vertical ribs 624.
  • each guide rib forming the guide rib pair 626 includes a horizontal rib 625 extending from the top of the vertical rib 624 toward the protrusion receiving portion 633 of the agitator guide 63. may include. In one embodiment, a plurality of guide rib pairs corresponding to the number of protrusion receiving portions 633 of the agitator guide 63 may be formed on the inner surface of the agitator lower body 62.
  • the elastic member 64 may be provided to apply elastic force to the agitator guide 63 in the vertical direction.
  • the elastic member 64 may be disposed on the inside surrounded by a plurality of protrusion receiving portions 633.
  • the elastic member 64 may be arranged to be seated on the support portion 622 of the agitator lower body 62.
  • the fixing member 65 may be provided to limit the movement of the agitator guide 63 in the horizontal direction within the agitator bodies 61 and 62.
  • the fixing member 65 may have a guide hole in the center into which the agitator guide 63 is fitted.
  • the fixing member 65 may be provided to have an overall cross shape when looking down at the agitator 60 from above.
  • at least four small gripping holes 654 may be provided between the fixing member 65 and the inner surface of the agitator upper body 61. In this case, the user can couple or uncouple the agitator 60 from the pulsator 40 by rotating the agitator 60 while inserting a finger into the grip hole 654.
  • the fixing member 65 may be provided to be press-fitted to the agitator upper body 61.
  • a fitting protrusion 652 extending in the radial direction may be provided on one surface of the body 651 of the fixing member 65 that contacts the inner surface of the agitator upper body 61.
  • a fitting hole 613 may be formed on the upper side of the agitator upper body 61 at a point corresponding to the fitting protrusion 652. The fitting protrusion 652 may be inserted into the fitting hole 613 so that the fixing member 65 may be fixed to the agitator upper body 61.
  • a damper 653 may be disposed between the fixing member 65 and the guide pole 631.
  • the damper 653 may be provided to reduce vibration occurring between the fixing member 65 and the guide pole 631 during the washing/spin-drying process.
  • the damper 653 may be made of a rubber material.
  • the agitator cap (or pulsator cap) 66 can be detachably coupled to the upper side of the agitator upper body 61 to cover the upper opening of the agitator upper body 61. .
  • the agitator cap 66 may be provided to be hooked to the agitator 60 or pulsator 40.
  • the agitator cap 66 may include a head portion 661, a plurality of leg portions 662, a plurality of guide grooves 663, and a coupling protrusion 664.
  • the head portion 661 may be provided in a disk shape.
  • the leg portion 662 may extend downward from the head portion 661.
  • the plurality of leg portions 662 may be arranged at a predetermined interval along the circumferential direction of the head portion 661.
  • each of the plurality of guide grooves 663 may be provided between the plurality of leg portions 662.
  • each of the plurality of guide grooves 663 may be provided to correspond to the shape of the wing portion 43 of the pulsator 40. In this case, when the agitator cap 66 is coupled to the pulsator 40, each of the guide grooves 663 of the agitator cap 66 is seated on each wing portion 43 of the pulsator 40. You can.
  • the coupling protrusion 664 extends downward from the head portion 661, and the end may be bent in the radial direction. In one embodiment, the coupling protrusion 664 may be disposed between the plurality of leg portions 662. In one embodiment, the coupling protrusions 664 may be provided in pairs to face each other. In one embodiment, each of the pair of coupling protrusions 664 may be inserted into each of the pair of coupling holes 612 formed on the upper side of the agitator upper body 61.
  • FIG. 7 is an enlarged view of portion C shown in FIG. 2 showing the agitator with the portion corresponding to the agitator upper body removed.
  • FIG. 8 is a view showing part D shown in FIG. 7 as seen from the inside of the agitator guide.
  • the agitator guide 63 may be provided to move up and down inside the agitator body.
  • a pair of guide ribs 626 may be provided on the inner surface of the agitator lower body 62 to guide the vertical movement of the agitator guide 63.
  • the guide rib pair 626 may include a pair of guide ribs disposed opposite to each other to surround the protrusion receiving portion 633 of the agitator guide 63.
  • each guide rib forming the guide rib pair 626 extends in a vertical direction along the inner surface of the agitator lower body 62 and protrudes inwardly of the agitator lower body 62. It may include vertical ribs 624.
  • each guide rib forming the guide rib pair 626 has a horizontal rib 625 extending from the top of the vertical rib 624 toward the protrusion receiving portion 633 of the agitator guide 63. It can be included. In one embodiment, a plurality of guide rib pairs corresponding to the number of protrusion receiving portions 633 of the agitator guide 63 may be formed on the inner surface of the agitator lower body 62.
  • the protrusion receiving portion 633 of the agitator guide 63 may be accommodated in the space 627 defined by the guide rib pair 626.
  • the protrusion receiving portion 633 may include a locking rib 6331, a locking groove 6332, and a separation prevention protrusion 6334.
  • the locking rib 6331 may define a space 6333 in which the fixing protrusion 441 of the pulsator guide 44 is accommodated.
  • the catching rib 6331 may be formed to extend along the edge of the protrusion receiving portion 633.
  • the locking rib 6331 may be formed to protrude in an inward radial direction.
  • the locking groove 6332 may be recessed from one surface of the locking rib 6331 at a point of the locking rib 6331 facing the fixing protrusion 441.
  • the locking grooves 6332 may be provided in pairs and may be formed at opposing points. In this case, when combining or separating the agitator 60, each fixing protrusion 441 of the pulsator guide 44 has a pair of locking grooves 6332 in both directions (e.g., clockwise or counterclockwise). You can pass.
  • the separation prevention protrusions 6334 may be formed to extend in both horizontal directions from the engaging ribs 6331 on both sides of the protrusion receiving portion 633. In one embodiment, the separation prevention protrusion 6334 contacts the vertical rib 624 of the agitator lower body 62 when the agitator guide 63 moves up and down and moves the agitator guide 63 from the agitator body. It is possible to prevent the departure of .
  • Figure 9 is a partial cross-sectional view showing a portion of the agitator coupled to the pulsator, in one embodiment.
  • FIG. 10 is a cross-sectional view taken along line A-A' shown in FIG. 9.
  • the elastic member 64 is located below the guide plate 632 of the agitator guide 63 and is positioned on the inner side surrounded by a plurality of protrusion receiving portions 633. It may be seated and placed on the support portion 622 of . According to one embodiment, when the agitator 60 is coupled to the pulsator 40, the agitator guide 63 may be lifted upward for a predetermined distance by the elastic force of the lower elastic member 64. . The agitator guide 63 is lifted upward by elastic force while each of the plurality of fixing protrusions 441 of the pulsator guide 44 is accommodated in each of the plurality of protrusion receiving portions 633 of the agitator guide 63.
  • each of the fixing protrusions 441 may be surrounded and fixed by a locking rib 6331 of each protrusion receiving portion 633 (a locking rib 6331 positioned below the position where the locking groove 6332 is formed). .
  • rotation and separation of the agitator 60 are limited, and the coupled state of the agitator 60 and the pulsator 40 can be maintained stably.
  • Figure 11 is a partial cross-sectional view showing the agitator while it is being separated from the pulsator, in one embodiment.
  • FIG. 12 is a cross-sectional view taken along line A-A' shown in FIG. 11.
  • the user may press the agitator guide 63 downward.
  • the pressurized agitator guide 63 may descend downward inside the agitator body and compress the elastic member 64 disposed on the lower side of the agitator guide 63.
  • the agitator guide 63 is lowered by a predetermined section and a plurality of protrusion receiving portions of the agitator guide 63 ( Each of the locking grooves 6332 provided in 633 may be located.
  • each of the plurality of fixing protrusions 441 passes through horizontally adjacent locking grooves 6332 and protrudes.
  • FIG. 11 shows a side cross-sectional view of each fixing protrusion 441 of the pulsator 40 disposed horizontally adjacent to the locking groove 6332.
  • FIG. 12 shows a cross-sectional view from above, with each fixing protrusion 441 of the pulsator 40 disposed horizontally adjacent to the locking groove 6332.
  • Figure 13 is a view showing the appearance of the pulsator with the pulsator cap removed, in one embodiment.
  • Figure 14 is a view showing the appearance of the pulsator in a state in which the pulsator cap is coupled, in one embodiment.
  • Figure 15 is an enlarged view showing the portion where the pulsator cap is coupled to the pulsator, in one embodiment.
  • the user in a state where the agitator 60 is separated from the pulsator 40, the user separates the agitator cap (or pulsator cap) 66 from the upper side of the agitator 60. It can be coupled to the pulsator (40).
  • the agitator cap 66 may also be referred to as a pulsator cap 66, and will hereinafter be referred to as a pulsator cap 66 for convenience of description.
  • the pulsator cap 66 may be coupled to cover the upper side of the agitator coupling portion 42 of the pulsator 40.
  • the agitator cap 66 may include a head portion 661, a plurality of leg portions 662, a plurality of guide grooves 663, and a coupling protrusion 664.
  • the plurality of leg portions 662 extend downward from the head portion 661 and may be spaced apart at predetermined intervals along the circumferential direction of the head portion 661.
  • each of the plurality of guide grooves 663 may be provided between the plurality of leg portions 662.
  • each of the plurality of guide grooves 663 may be provided to correspond to the shape of the wing portion 43 of the pulsator 40. In this case, when the agitator cap 66 is coupled to the pulsator 40, each of the guide grooves 663 of the agitator cap 66 is seated on each wing portion 43 of the pulsator 40. You can.
  • the coupling protrusion 664 extends downward from the head portion 661, and the end may be bent in the radial direction. In one embodiment, the coupling protrusion 664 may be disposed between the plurality of leg portions 662. In one embodiment, the coupling protrusions 664 may be provided in pairs to face each other. According to one embodiment, the pulsator cap 66 may be hook-coupled to the pulsator 40. In one embodiment, a pair of coupling protrusions 664 of the pulsator cap 66 may be inserted into each of a pair of coupling holes 431 provided in the wing portion 43 of the pulsator 40. In this case, the bent end of the coupling protrusion 664 may be caught and fixed to the inner surface of the coupling hole 431.
  • the internal space for example, the interior space of the agitator coupling portion 42
  • the internal space for example, the interior space of the agitator coupling portion 42
  • the pulsator cap 66 When the pulsator cap 66 is coupled to the agitator coupling portion 42 of the pulsator 40, the internal space, for example, the interior space of the agitator coupling portion 42, is exposed from the outside by the pulsator cap 66. It can be shielded. Accordingly, foreign substances can be prevented from flowing into the agitator coupling portion 42 during the washing cycle of the washing machine 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

Ce lave-linge peut comprendre : un pulsateur ayant une partie de réception ; un guide de pulsateur qui est accouplé à la partie de réception du pulsateur et qui est pourvu d'une pluralité de saillies de fixation agencées à une certaine distance les unes des autres le long de la circonférence horizontale supérieure ; et un agitateur comprenant un guide d'agitateur qui peut se déplacer vers le haut et vers le bas à l'intérieur d'un corps d'agitateur. Le guide d'agitateur peut comprendre : un montant de guide s'étendant dans la direction haut-bas ; une pluralité de parties de réception de saillie qui entourent la circonférence horizontale supérieure du guide de pulsateur depuis le côté inférieur du montant de guide ; et un élément élastique qui est entouré par la pluralité de parties de réception de saillie et qui est disposé sur le côté supérieur du guide de pulsateur, et qui fournit une force élastique au guide d'agitateur dans la direction haut-bas. Chacune des parties de réception de saillie comprend une paire de nervures de guide qui font saillie radialement vers l'intérieur et qui délimitent des rainures de réception en retrait radialement vers l'extérieur pour recevoir la pluralité de saillies de fixation, la paire de nervures de guide comprend deux parties latérales s'étendant dans la direction haut-bas, et les rainures peuvent être respectivement formées aux emplacements des deux parties latérales correspondant à la direction horizontale.
PCT/KR2023/015315 2022-11-29 2023-10-05 Lave-linge WO2024117509A1 (fr)

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Application Number Priority Date Filing Date Title
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KR10-2022-0163289 2022-11-29

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960003410U (ko) * 1994-06-30 1996-01-22 캠코더용 뷰파인더의 시도조절장치
KR20000009523U (ko) * 1998-11-06 2000-06-05 전주범 봉세탁 기능을 갖는 펄세이터형 세탁기
US20210062382A1 (en) * 2019-09-03 2021-03-04 Whirlpool Corporation Laundry treating appliance having a removable clothes mover
CN114606704A (zh) * 2022-03-29 2022-06-10 无锡小天鹅电器有限公司 一种搅拌器及衣物处理设备
KR20220115491A (ko) * 2021-02-10 2022-08-17 삼성전자주식회사 세탁기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960003410U (ko) * 1994-06-30 1996-01-22 캠코더용 뷰파인더의 시도조절장치
KR20000009523U (ko) * 1998-11-06 2000-06-05 전주범 봉세탁 기능을 갖는 펄세이터형 세탁기
US20210062382A1 (en) * 2019-09-03 2021-03-04 Whirlpool Corporation Laundry treating appliance having a removable clothes mover
KR20220115491A (ko) * 2021-02-10 2022-08-17 삼성전자주식회사 세탁기
CN114606704A (zh) * 2022-03-29 2022-06-10 无锡小天鹅电器有限公司 一种搅拌器及衣物处理设备

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