JP2014104240A - Drum type washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drum type washing machine having improved cleaning performance and rinsing performance.SOLUTION: There is provided a drum type washing machine including: a water tub 31 for storing water; a substantially cylindrical drum 32 rotatably contained inside the water tub 31; a motor 34 for rotating the drum 32; a baffle 6 provided to protrude on the inside of a peripheral wall of the drum 32 for agitating clothing; and a hole 3 provided on the periphery wall of the drum 32 for supplying water in the water tub 31 into the baffle 6. The baffle 6 has on a side surface an opening 24 for discharging water in the baffle 6 and a movable body 23 for opening/closing the opening 24. The movable body 23 is configured to open/close the opening 24 in accordance with the rotation of the drum 32. Thus, it is possible to efficiently supply water supplied in the baffle 6 to laundry in each process of washing and rinsing, and to make the wet speed of laundry faster to improve cleaning performance and rinsing performance.

Description

  The present invention relates to a drum-type washing machine for washing laundry contained in a drum.

  Conventionally, this type of drum type washing machine is provided with a plurality of baffles on the inner peripheral surface of a drum for storing the laundry, and the drum is rotated so that the laundry is hooked and lifted by the baffle. A configuration has been proposed in which the laundry is dropped from a certain height and the laundry is beaten and washed (see, for example, Patent Document 1).

  6 is a longitudinal sectional view of a conventional drum-type washing machine described in Patent Document 1, FIG. 7 is a baffle of the drum-type washing machine, (a) a plan view of the baffle, and (b) a baffle of the baffle. Side view, (c) shows a front view of the baffle.

  6 and 7, a water tank 31 disposed in the outer box 30 is elastically supported by a plurality of suspensions (not shown), and includes a drum 32 having a rotation axis coaxial with the water tank 31. doing. The rotating shaft of the drum 32 is inclined upwards with respect to the horizontal direction so that the front side of the drum 32 faces upward.

  Inside the peripheral wall of the drum 32, a plurality of baffles 33 for stirring clothes are provided at rotationally symmetric positions with respect to the rotation axis, and the laundry is lifted and dropped by the baffles 33 when the drum 32 rotates forward and backward. To efficiently stir.

  A motor 34 attached to the bottom surface of the water tank 31 rotates the drum 32 at a predetermined rotation direction and rotation speed by a control device (not shown). Each of the outer box 30, the water tank 31, and the drum 32 has an outer box opening 35, a water tank opening 36, and a drum opening 37 so that the laundry can be taken in and out of the drum 32. The box opening 35 is provided with a lid 38 for opening and closing it.

  The laundry put into the drum 32 is washed by low-speed rotation of the drum 32 after water is supplied into the drum 32 by water supply means (not shown), and then dewatered by high-speed rotation of the drum 32. The

  The baffle 33 is formed with a substantially rectangular parallelepiped stirring protrusion 33c from the back side to the front side at the top where the left and right side surfaces 33a and 33b intersect. The inside of the baffle 33 has a hollow shape, and a plurality of conduction holes 33f are formed on the top surface of the stirring protrusion 33c so as to communicate with the hollow portion inside.

  With the above configuration, when the baffle 33 is positioned below the drum 32 during washing, the washing liquid is stored inside the hollow, and when the baffle 33 moves upward while rotating, the washing liquid enters the stirring protrusion 33c. The laundry liquid gathers and protrudes into the plurality of conduction holes 33f, and the laundry liquid is supplied to the laundry to increase the speed at which the laundry gets wet.

JP 2006-75479 A

  However, in the conventional configuration, the opening (conduction hole) of the baffle is small, and the water supplied into the baffle is difficult to be discharged out of the baffle. As a result, the speed at which the laundry gets wet without efficiently getting wet. There was a problem that the wettability of the laundry became insufficient and the washing performance and the rinsing performance were sometimes lowered.

  The present invention solves the above-described conventional problems. In each of the washing and rinsing steps, the water supplied in the baffle is sufficiently supplied to the laundry, and the washing wet speed is increased to improve the washing performance. An object of the present invention is to provide a drum type washing machine that improves the rinsing performance.

  In order to solve the conventional problems, a drum-type washing machine of the present invention includes a water tank for storing water, a substantially cylindrical drum rotatably included in the water tank, a motor for rotating the drum, A baffle for agitating clothes provided protruding from the peripheral wall of the drum; and a hole provided in the peripheral wall of the drum for supplying water in the water tank into the baffle. An opening for discharging the water inside and a movable body for opening and closing the opening are provided, and the movable body opens and closes the opening as the drum rotates.

  Thus, in each of the washing and rinsing steps, the water supplied into the baffle can be efficiently supplied to the laundry, the speed at which the laundry gets wet can be increased, and the washing performance and the rinsing performance can be improved.

  The drum type washing machine of the present invention can efficiently supply the water supplied in the baffle to the laundry in each step of washing and rinsing, so that the washing performance and the rinsing performance can be improved. .

The longitudinal cross-sectional view of the drum type washing machine in Embodiment 1 of this invention (A) Side view of baffle of the drum type washing machine, (b) AA cross-sectional view of the baffle Explanatory drawing explaining operation | movement of the baffle at the time of drum rotation of the drum type washing machine (A) Side view of baffle of drum-type washing machine in Embodiment 2 of the present invention, (b) A view showing a baffle BB sectional view of the baffle when the baffle opening is closed, (c) Baffle of the baffle The figure which shows when a baffle opening part opens in BB sectional drawing. (A) Side view of baffle of drum-type washing machine in Embodiment 3 of the present invention, (b) CC sectional view of the baffle Vertical section of a conventional drum-type washing machine (A) The top view of the baffle of the drum type washing machine, (b) The side view of the baffle, (c) The front view of the baffle

  1st invention stirs the water tank which accumulates water, the substantially cylindrical drum rotatably included in the said water tank, the motor which rotates the said drum, and the clothing provided in the peripheral wall of the said drum. And a hole provided in a peripheral wall of the drum for supplying water in the water tank into the baffle, and an opening for discharging water in the baffle on a side surface of the baffle, and the opening The movable body opens and closes the opening, and the movable body opens and closes the opening as the drum rotates, so that the water supplied into the baffle can be efficiently removed in each step of washing and rinsing. It can be supplied to the laundry to increase the speed at which the laundry gets wet, thereby improving the washing performance and the rinsing performance.

  According to a second aspect of the invention, in particular, the movable body of the first aspect of the invention has a shielding surface that closes the opening, and opens and closes the opening by rotating about a shaft support provided on the baffle. As a result, the water supplied into the baffle can be efficiently supplied to the laundry with a simple structure.

  According to a third aspect of the invention, in particular, the movable body of the first aspect of the invention has an opening surface that opens and closes the opening and a shielding surface, and the opening is formed by sliding along the longitudinal direction of the baffle. By opening and closing, the water supplied into the baffle can be efficiently supplied to the laundry with a simple structure with few moving parts.

  In the third invention, in particular, the movable body of the first invention has a shielding surface for closing the opening, and slides in a direction perpendicular to the side surface of the baffle along a rib provided around the opening. By opening and closing the openings, each opening is opened and closed individually, and even if one opening is not opened or closed, the other opening can open and close. The reliability of the opening / closing operation can be improved.

  Hereinafter, embodiments of the invention will be described with reference to the drawings. In addition, the thing of the same structure as a prior art example attaches | subjects the same code | symbol, and abbreviate | omits description. Further, the present invention is not limited by this embodiment.

(Embodiment 1)
1 is a cross-sectional view of a drum type washing machine according to Embodiment 1 of the present invention, FIG. 2 (a) is a side view of a baffle of the drum type washing machine according to Embodiment 1 of the present invention, and FIG. 2 (b). FIG. 3 is an AA cross-sectional view of the baffle, and FIG. 3 is an explanatory diagram for explaining the operation of the baffle during drum rotation of the drum type washing machine according to Embodiment 1 of the present invention.

  Hereinafter, description will be made with reference to FIGS. 1, 2, and 3.

  In FIG. 1, a plurality of hollow baffles 6 having a substantially trapezoidal cross section and an open bottom are provided for laundry stirring, which protrudes into the peripheral wall of the drum 32 and stirs clothes. During rotation, the baffle 6 efficiently stirs the laundry by lifting and dropping it. Further, a plurality of holes 3 are formed in the circumferential wall of the drum 32 in the direction of the rotation axis, and the baffle 6 is provided so that the bottom portion is positioned on the hole 3. Supply water.

  Further, a control means 20 for controlling the motor 34 and the like, and sequentially controlling the washing, rinsing and dehydrating processes is disposed at the lower front portion in the outer box 30.

  The baffle 6 extends from the bottom surface in the drum 32 toward the drum opening 37 on the front surface side, has a wide width on the bottom surface side, and projects inward toward the rotation axis of the drum 32. It is provided to do.

  2A and 2B, the baffle 6 is provided with openings 24 on the left and right side surfaces 6a and 6b and the upper side surface 6c. A plurality of openings 24 are formed, and a movable body 23 that opens and closes the openings 24 by rotating about a shaft support 25 provided on the baffle 6 is provided in the vicinity of the openings 24.

  The movable body 23 has a shielding surface 23 a that shields the opening 24. The movable body 23 rotates about the shaft support portion 25, so that the shielding surface 23 a deviates from the opening 24, thereby opening the opening portion. 24 is opened, and the opening 24 is closed by the shielding surface 23 a coming into contact with the periphery of the opening 24. In this way, the movable body 23 opens and closes the opening 24.

  About the drum type washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  In FIG. 3, the drum 32 is rotationally driven in the left-right direction in each step of washing and rinsing, and the baffle 6 fixed to the inner surface of the peripheral wall of the drum 32 performs a circular motion.

  At this time, the washing water is stored in the water tank 31 in which the drum 32 is stored, and a large number of holes 3 are provided in the peripheral wall of the drum 32, so that the baffle 6 is located at the lowermost surface of the drum 32 and stores the washing water. When submerged, the washing water enters the baffle 6 through the hole 3 in the peripheral wall of the drum 32.

  The drum 32 further rotates and the baffle 6 comes out of the surface of the washing water. At this time, the opening 24 of the baffle 6 is blocked by the movable body 23, so that the washing water in the baffle 6 is outside the baffle 6. Will not be discharged.

  When the bottom surface of the drum 32 is 0 degree and the baffle 6 moves to a position where the angle is about 90 degrees or more, the movable body 23 on the upper side surface 6c and the movable body 23 on the side surface 6b on the rear side in the rotation direction are self-weighted. , The shielding surface 23a is separated from the opening 24, and the opening 24 is opened, so that the washing water is discharged.

  Thus, by rotating the drum 32, the supply and discharge of the washing water into the baffle 6 are repeated, and the washing water can be discharged simultaneously from the high position toward the laundry. Thereby, the speed at which the laundry gets wet is increased, and the cleaning performance and the rinsing performance can be improved.

(Embodiment 2)
4A is a side view of the baffle of the drum-type washing machine according to the second embodiment of the present invention, and FIG. 4B is a cross-sectional view of the baffle taken along the line B-B when the baffle opening is closed. These show the time when the baffle opening is opened in the same sectional view. Since other structures are the same as those in the first embodiment, the description thereof is omitted.

  4A, 4 </ b> B, and 4 </ b> C, the opening 24 is formed in parallel to the longitudinal direction of the baffle 46 on the left and right side surfaces 46 a and 46 b and the upper side surface 46 c of the baffle 46. The movable body 26 is housed inside the baffle 46. The movable body 26 is configured to slide in the baffle 46 along the longitudinal direction of the baffle 46 and move in the direction of the rotation axis of the drum 32. In FIG. 4A, the left side in the drawing is the front side of the drum 32.

  The cross-sectional shape of the movable body 26 is similar to the cross-sectional shape of the baffle 46, and an opening surface 26 b and a shielding surface 26 a are provided on the upper side surface and the left and right side surfaces of the movable body 26.

  The opening 24 is closed when the shielding surface 26 a is at a position facing the opening 24, the water inside the baffle 46 is not discharged, and the opening 24 is when the opening surface 26 b is at a position facing the opening 24. Will open and the water inside the baffle 46 will drain.

  When the movable body 26 is at the left end of the baffle 46 in FIG. 4A, that is, on the front side of the drum 32, the shielding surface 26 a is positioned so as to overlap with the plurality of openings 24 provided on the side surface of the baffle 46. Part 24 is closed. When the movable body 26 is on the rear side of the drum 32 in the baffle 46, the opening surface 26b is positioned so as to overlap with the plurality of openings 24 provided on the side surface of the baffle 46, and all the openings 24 are opened. As described above, the movable body 26 slides along the longitudinal direction of the baffle 46 so that the opening 24 is opened and closed.

  About the drum type washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  As in the case described with reference to FIG. 3, the drum 32 is rotationally driven in each step of washing and rinsing, and the baffle 46 fixed to the inner surface of the peripheral wall of the drum 32 performs a circular motion.

  At this time, the washing water is stored in the water tank 31 in which the drum 32 is stored, and a large number of holes 3 are provided in the peripheral wall of the drum 32, so that the baffle 46 is located at the lowermost surface of the drum 32 and stores the washing water. When submerged, the washing water enters the baffle 46 through the hole 3 in the peripheral wall of the drum 32.

  The movable body 26 is made of a material having a specific gravity smaller than that of water. When the baffle 46 is in water, the drum 32 is inclined with the front of the rotating shaft facing upward, so that the movable body 26 is against water. It receives buoyancy and slides along the longitudinal direction of the baffle 46. For this reason, all the openings 24 are closed.

  The drum 32 further rotates and the baffle 46 comes out of the washing water surface. At this time, the movable body 26 does not receive buoyancy with respect to water, but sufficient force does not act to move backward due to its own weight. The movable body 26 remains positioned on the front side of the baffle 46. For this reason, the opening 24 is blocked by the shielding surface 26 a of the movable body 26, and the washing water in the baffle 46 is not discharged outside the baffle 46.

  When the bottom surface of the drum 32 is 0 degree and the baffle 46 moves to a position where the angle is about 90 degrees or more, the movable body 26 moves to the rear side of the drum 32 due to its own weight, and the opening 24 is all opened. The washing water is discharged from the opening 24.

  Thus, by rotating the drum 32, the supply and discharge of the washing water into the baffle 46 are repeated, and the washing water can be discharged from the high position toward the laundry all at once. Thereby, the speed at which the laundry gets wet is increased, and the cleaning performance and the rinsing performance can be improved.

  Here, the movable body 26 is slid along the longitudinal direction of the baffle 46 only by the action of gravity and buoyancy received by the movable body 26, but another driving means is provided, and this action causes the movable body 26 to move to the baffle 46. You may make it slide along a longitudinal direction.

(Embodiment 3)
Fig.5 (a) is a side view of the baffle of the drum type washing machine in Embodiment 3 of this invention, (b) shows CC sectional drawing of the same baffle. Since other structures are the same as those in the first embodiment, the description thereof is omitted.

  5A and 5B, a plurality of openings 24 are formed in the left and right side surfaces 56a and 56b and the upper side surface 56c of the baffle 56.

  A movable body 28 is provided in the opening 24, and the movable body 28 slides in a direction perpendicular to the side surface of the baffle 56 along a rib 57 provided around the opening 24. The movable body 28 is provided with a guide portion 49 so as to slide along the rib 57, and the guide portion 49 is provided with a water passage port 48 through which water passes. The opening 24 has a shielding surface 28 a, and the opening 24 is closed when the shielding surface 28 a comes into contact with the opening 24. Further, the movable body 28 slides in a direction perpendicular to the side surface of the baffle 56, and the shielding surface 28 a is separated from the opening 24, thereby opening the opening 24.

  As described above, when the opening 24 is opened when the movable body 28 moves to the outside of the baffle 56, the outside of the baffle 56, that is, the inside of the drum 32 and the inside of the baffle 56 are interposed via the opening 24. Communicate.

  About the drum type washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  As in the case described with reference to FIG. 3, the drum 32 is rotationally driven in each step of washing and rinsing, and the baffle 56 fixed to the inner surface of the peripheral wall of the drum 32 performs a circular motion.

  At this time, washing water is stored in the water tank 31 in which the drum 32 is accommodated, and a large number of holes 3 are provided in the peripheral wall of the drum 32, so that the baffle 56 is positioned at the lowermost surface of the drum 32 to store the washing water. When submerged, the washing water enters the baffle 56 through the hole 3 in the peripheral wall of the drum 32.

  The movable body 26 is made of a material having a specific gravity greater than that of water. When the baffle 46 is in water, the movable body 28 is directed downward along the ribs 57 provided around the opening 24 due to its own weight. Then, it slides in a direction in contact with the side surface of the baffle 56. For this reason, all the openings 24 are closed.

  The drum 32 further rotates and the baffle 56 comes out of the surface of the washing water. At this time, the movable body 28 remains blocking the opening 24 due to the influence of gravity acting on the movable body 26, so that the washing in the baffle 56 is performed. Water is not discharged out of the baffle 56.

  When the bottom surface of the drum 32 is 0 degree and the baffle 56 moves to a position where the angle is about 90 degrees or more, the movable body 28 moves by its own weight in a direction away from the wall surface of the baffle 56, and the opening 24 is opened. Therefore, the washing water is discharged from the opening 24.

  In this way, by rotating the drum 32, the supply and discharge of the washing water into the baffle 56 are repeated, and the washing water can be discharged simultaneously from the high position toward the laundry. Thereby, the speed at which the laundry gets wet is increased, and the cleaning performance and the rinsing performance can be improved.

  As described above, according to the first to third embodiments, the washing water is supplied into the baffle from the hole of the drum, and the water is discharged from the opening provided in the baffle as the drum rotates. In each of the steps of washing and rinsing, the water supplied into the baffle can be efficiently supplied to the laundry, the speed at which the laundry gets wet can be increased, and the washing performance and the rinsing performance can be improved.

  As described above, the drum type washing machine according to the present invention can efficiently discharge the water supplied into the baffle with the rotation of the drum into the drum. The present invention can also be applied to the use of other devices.

3 hole 6, 46, 56 Baffle 6a, 6b, 6c, 46a, 46b, 46c, 56a, 56b, 56c Side surface 23, 26, 28 Movable body 23a, 26a, 28a Shielding surface 24 Opening portion 25 Shaft support portion 26b Opening surface 31 Aquarium 32 Drum 34 Motor 57 Rib

Claims (4)

A water tank for storing water, a substantially cylindrical drum rotatably included in the water tank, a motor for rotating the drum, a baffle for agitating clothes provided protruding from the peripheral wall of the drum, and the baffle A hole provided in a peripheral wall of the drum for supplying water in the water tank, an opening for discharging water in the baffle, and a movable body for opening and closing the opening. A drum type washing machine in which the movable body opens and closes the opening as the drum rotates. 2. The drum type washing machine according to claim 1, wherein the movable body has a shielding surface that closes the opening, and is configured to open and close the opening by rotating about a shaft support provided on the baffle. . The drum according to claim 1, wherein the movable body has an opening surface and a shielding surface for opening and closing the opening, and the opening is opened and closed by sliding along the longitudinal direction of the baffle. Type washing machine. The movable body has a shielding surface that closes the opening, and opens and closes the opening by sliding in a direction perpendicular to a side surface of the baffle along a rib provided around the opening. The drum type washing machine according to claim 1.

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