JPH08266777A - Drum type washing machine - Google Patents

Abstract

PURPOSE: To shorten a washing time while enhancing washing or rinsing capacity by providing the inner peripheral surface of a rotary drum with a specific hollow buffle and forming inflow and outflow apertures for the washing soln. in the rotary drum to the hollow buffle to sprinkle the washing soln. over the upper part of washing. CONSTITUTION: At a time of washing, washing is thrown in a rotary drum 4 from the front opening of an outer tank 2 and the opening is closed by a door to start operation to rotate the rotary drum 4 in the direction shown by an arrow. Whereupon, the washing is caught by the hollow buffles 6 attached to the inner surface of the rotary drum 4 at a predetermined interval and moved upward to be subsequently allowed to fall. The washing is washed by repeating the rotary rising and falling of the washing but, during the rotation of the rotary drum 4, a washing soln. flows in the lower hollow buffle 6 from apertures 13 and is sent upwardly accompanied by the rotation of the rotary drum 4 and discharged from the apertures 13 at the upper position to be sprinkled over the washing soln. 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum type washing machine, and more particularly to an outer tub for storing a cleaning liquid and a plurality of outer tubs rotatably supported in the outer tub for allowing the cleaning liquid to flow from the outer tub. And a rotary drum having a through hole formed in the peripheral wall,
The present invention relates to a drum-type washing machine in which laundry to be put into a rotary drum is washed by being rotated by the rotation of the rotary drum while being agitated while being immersed in a cleaning liquid.

[0002]

2. Description of the Related Art This type of drum type washing machine is widely used because a series of washing, rinsing and dewatering steps can be performed in a single tank, that is, a rotating drum. (For example, the actual exploitation Sho 62-11588
(See Japanese Patent Publication No. 5). But with these drum-type washing machines,
During the washing operation, it takes a long time for the upper part of the laundry in the rotary drum to be immersed in the washing liquid, which causes a problem that the washing time is long. There is also a problem that the performance of washing and rinsing is poor because only the bottom of the laundry is soaked in the washing liquid during washing and rinsing operations.

Of course, these problems are caused by the fact that the drum type washing machine basically adopts a washing method mainly for stirring and washing the laundry, and the liquid level of the washing liquid soaks the lower portion of the laundry in the rotating drum. It is because it is only. Therefore, one of the main objects of the present invention is to provide a drum type washing machine capable of improving the efficiency of the time during which the laundry is immersed in the washing liquid (washing water) during the washing operation and shortening the washing time.

Another main object of the present invention is to provide a drum type washing machine having higher washing and rinsing performance.

[0005]

SUMMARY OF THE INVENTION The present invention is directed to an outer tank for storing a cleaning liquid, and a plurality of through-holes rotatably supported in the outer tank for allowing the cleaning liquid to flow from the outer tank into a peripheral wall. In a drum type washing machine including a rotating drum formed, and washing the laundry to be put into the rotating drum by rotating the rotating drum while stirring and washing the laundry, the inner wall of the rotating drum has a rotating shaft. Provided is a drum-type washing machine characterized in that a plurality of hollow baffles extending in a direction along the hollow baffle are arranged, and openings are provided in the baffles for inflow and outflow of cleaning liquid.

That is, according to the present invention, the cleaning liquid is provided by rotating the rotary drum by providing a specific hollow baffle on the inner peripheral surface of the rotary drum, and forming an opening through which the cleaning liquid in the rotary drum flows in and out. The cleaning liquid is sprinkled on the upper part of the laundry which cannot be normally immersed in the cleaning liquid (which cannot be contacted), thereby shortening the washing time and improving the rinsing performance.

Here, the hollow baffle provided on the inner peripheral wall (face) of the rotary drum is configured to extend in the direction along the rotation axis of the rotary drum, and is further configured to project inward in a chevron cross section. It is preferable that the laundry be stirred efficiently without damaging the laundry, and the height of the hollow baffle is 2
It is preferable to provide 0 to 60 mm, a bottom width of the cross section of 30 to 80 mm, and the number is 3, 4 or 5 (pieces) at equal angular intervals.

In the present invention, the hollow baffle is provided with an opening for inflowing and outflowing the cleaning liquid in the rotating drum, specifically, an opening for discharging the cleaning liquid which allows the cleaning liquid to be pumped up and discharged from above as the rotating drum rotates. To be done. That is, this cleaning liquid discharge opening is configured so that the cleaning liquid can flow into the hollow baffle at the lower position (position) and the cleaning liquid that has flowed in at the upper position (position) can be discharged during the rotation of the rotary drum. For example, the size of the opening for discharging the cleaning liquid has a diameter of 3 to 6
A circular shape of about mm is preferable. Further, in the washing or rinsing operation, it is preferable to form a plurality of through holes as washing liquid discharge openings in the mountain-shaped top portion of the hollow baffle and the slope portion near the rotation side of the rotary drum from this top portion. Corresponding to these cleaning liquid discharge openings, a plurality of through holes are formed in the peripheral wall of the rotary drum covered with the hollow baffle, closer to the rotation side of the rotary drum than the center, and the cleaning liquid in each through hole is formed. It is preferable for smooth inflow and outflow of.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the embodiments shown in the drawings. The present invention is not limited to this. First, FIG. 1 is a perspective view showing the overall construction of an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of the same.

In FIG. 1-2, the drum type washing machine S is
The exterior frame 1 and a support spring 3 in the exterior frame 1
Provided on the front surface of the outer frame 1, an outer tub 2 fixed via a rotary drum 4, a rotary drum 4 rotatably supported in the outer tub 2 and provided with a large number of through holes 20 (see FIG. 4, which will be described later). The
It mainly consists of an outer tub 2 and a door 5 for loading laundry through each opening of the rotating drum 4. A driving motor 7 drives the rotary drum 4 to rotate via a small pulley 8, a large pulley 10 and a belt 9.

Next, FIG. 3 is a longitudinal sectional view taken in a direction perpendicular to FIG. 2, and FIG. 4 is an enlarged configuration explanatory view showing only the outer tank 2 and the rotary drum 4 of FIG. 3 to 4, reference numerals 6 and 6 are provided on the inner peripheral wall of the rotary drum 4.
Two hollow baffles, each hollow baffle 6 extending in parallel to the rotation axis X of the rotary drum 4, and having a chevron cross section and formed inward (toward the rotation axis X) at equal angular intervals of 90 degrees. Has been done. 18 and 19 are screws for fixing the hollow baffle 6 to the rotary drum 4, and 21 is a water supply valve.

Further, each hollow baffle 6 is provided with a cleaning liquid discharge opening 13 which allows the cleaning liquid in the rotary drum 4 to flow into the hollow baffle 6 at a lower position and discharge at a higher position while the rotating drum 4 is rotating. The opening 13 has a plurality of top through holes 14 formed at the top of the mountain-shaped baffle 6,
It is composed of a plurality of sloped surface through holes 15 and 16 formed on the sloped surface of the rotary drum 4 in the rotation direction side (clockwise rotation direction side) of the top through hole 14. Reference numeral 17 denotes a drum through hole, which is formed on the peripheral wall of the rotary drum 4 covered with the hollow baffle 6 in the rotary drum 4, and is closer to the rotation direction side of the rotary drum 4 than the center of the peripheral wall covered with the hollow baffle 6. It is formed close to.

Next, the operation of the drum type washing machine S having the above construction will be described mainly with reference to FIGS. 3 and 4. First, when the cleaning liquid (laundry liquid or washing water) 12 is supplied into the outer tub 2 via the water supply valve 21, the cleaning liquid 12 flows into the rotary drum 4 through the through hole 20 of the rotary drum 4. Y is the liquid level of the cleaning liquid 12.

Next, when the laundry 11 is put into the rotary drum 4 from the door 5 through the outer tub 2 and the openings of the rotary drum 4, only the lower portion of the laundry 11 is immersed in the washing liquid 12. . Then, when the rotary drum 4 is rotated in the direction of the arrow (clockwise in FIG. 4), the laundry 11 is hooked by the hollow baffle 6 and rotationally moves to the upper position, and then drops to wash the lower laundry 11 with the cleaning liquid. Soaked in 12. The laundry 11 is washed by repeating such rising and falling of rotation and contact with the washing liquid (washing operation).

At this time, the hollow baffle 6 is in the lower position during the rotation of the rotary drum 4 from the cleaning liquid discharge opening 13, that is, the top through hole 14 and the sloped through holes 15 and 16 from the cleaning liquid 1.
2 can be flown into the hollow baffle 6, and even if it is rotated and moved to a higher position, the cleaning liquid discharge opening 13 is only on the rotation side of the timepiece (the rotation side of the rotating drum 4) from the top of the hollow baffle 6. Since it is provided, the cleaning liquid 12 can be held and pumped up to the middle level. Then, the inflow cleaning liquid 12 in the hollow baffle 6 can be discharged for the first time in the upper layer, so that the cleaning liquid 12 is also supplied to the upper laundry 11 that cannot come into contact with the cleaning liquid 12 at the bottom of the rotating drum 4 so as to contain the liquid. As a result, the cleaning time can be shortened and uneven cleaning can be reduced. Further, in the rinsing operation, the rinsing performance can be improved. In addition, the through hole 20 can smooth and assist the inflow and outflow of the cleaning liquid into the hollow baffle 6.

[0016]

According to the present invention, the inner peripheral surface of the rotary drum is provided with a specific hollow baffle, and the hollow baffle is provided with an opening through which the cleaning liquid in the rotary drum flows in and out, whereby the rotary drum The washing liquid can be sprinkled by the rotation and sprinkled with the washing liquid even on the upper part of the laundry that cannot normally be immersed in the washing liquid (which cannot be contacted), whereby the washing time can be shortened and the rinsing performance can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing the overall configuration of an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of FIG.

FIG. 3 is a vertical sectional view taken in a direction perpendicular to FIG.

FIG. 4 is an enlarged configuration explanatory diagram of an outer tub and a rotating drum of FIG.

[Explanation of symbols]

 4 Rotating Drum 5 Door 6 Hollow Baffle 11 Laundry 12 Cleaning Liquid 13 Cleaning Liquid Discharge Aperture 14 Top Through Hole 15 Slope Surface Through Hole 16 Slope Surface Through Hole 17 Drum Through Hole 18 Screw 19 Screw 20 Through Hole S Drum Type Washer X Axis of rotation

Front page continuation (72) Inventor Tomoya Kawaguchi 2-5-5 Keihan Hondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Seiho Sugo 2-5-5 Keihan-hondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.

Claims (3)

[Claims] 1. A rotary drum comprising: an outer tub for storing the cleaning liquid; and a rotary drum rotatably supported in the outer tub and having a plurality of through holes for allowing the cleaning liquid to flow into the outer tub from the outer wall. In a drum-type washing machine in which laundry to be put into the drum is washed by being rotated in a rotating drum while being agitated while being immersed in a cleaning liquid, a plurality of hollow baffles extending in a direction along a rotation axis are provided on an inner peripheral wall of the rotation drum. The drum type washing machine is characterized in that the baffle is provided with an opening through which the cleaning liquid flows in and out. 2. The drum type washing machine according to claim 1, wherein the hollow baffle has a mountain-shaped cross section. 3. The drum type washing machine according to claim 2, wherein the opening portion of the baffle comprises a plurality of through holes formed in a sloped portion of the baffle near the rotation side of the rotary drum from the mountain-shaped top portion of the baffle.