JPS607897A - Centrifugal dehydrating washer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a centrifugal dehydrating washing machine for home use that performs washing and dehydration in one tub.

(Structure of conventional example and its problems) Conventionally, so-called pulsator type washing machines have been widely used in centrifugal dehydration washing machines, but this type has the disadvantage that laundry is often twisted and damaged. In addition, so-called agitation-type washing machines, in which the agitation blades rotate back and forth, have less twisting and flopping of the laundry, but they have the disadvantage that the mechanism to convert the rotation of the motor into reciprocating rotation is complex and expensive. . Furthermore, as another washing agitation method,
．． 4513/1, Utility Model Application Publication No. 32-145.62, Utility Model Application No. 32-/1790, and Utility Model Application No. 31-18239, an eccentric inclined shaft is rotated as shown in A, and stirring is performed by this shaft. Disclosed is a device that causes wings to precess.

This method of precessing the stirring blades has the advantage of being less likely to twist or damage the laundry, and is simple and inexpensive.
There was a drawback that the laundry got caught under the stirring blades.

(Objective of the Invention) The object of the present invention is to eliminate the conventional problems with M? To provide a centrifugal dewatering washing machine which causes less twisting and damage to M articles, has a simple mechanism, and prevents the laundry from getting caught under stirring blades.

(Structure of the Invention) The centrifugal dehydrating washing machine of the present invention is a centrifugal dehydrating washing machine that performs washing and dewatering in one tub, and an eccentric inclined shaft is provided at the upper end of the washing drive shaft, and an elastic plastic stirring blade is attached to the inclined shaft. The distance between the peripheral flange of the stirring blade and the bottom surface of the washing/dehydration tank is at least 1 cmJ at the downwardly inclined position of the stirring blade peripheral flange.
21. Due to this configuration, laundry is less likely to get caught under the stirring blades, and even if it gets caught, there is a gap of more than Icm so that it can easily come out from under the stirring blades. Furthermore, since centrifugal dehydration is always performed at the end of the washing operation, the laundry that has fallen under the stirring blades is shaken out by centrifugal force and pushed toward the inner peripheral wall of the washing/dehydration tank. .

(Description of Embodiment) An embodiment of the present invention will be described based on the drawings. In the figure, reference numeral 1 denotes a washing and dehydrating tank, which is connected to a dehydrating hollow shaft 3 via a flange 2. 4 is a dehydration receiver, and a mechanical case 5 is installed in the center of the machine as shown in the figure (=J), and a dehydration hollow shaft 3 is supported by a ball bearing 6. 7 is a washing drive shaft, which is connected to a motor (
(not shown), and the upper end of the washing drive shaft 7 is connected to an inclined shaft 9 via a connecting fitting 8 as shown in the figure. An elastic stirring blade 10 made of plastic is rotatably fitted to the inclined shaft 9 through bearings 11 and 12. 13 is the cap of the stirring blade, and 14 is a stopper for removing the stirring blade 10. Reference numerals 15 and 16 are knock bottles with a washing drive shaft 7 and a tilting shaft 9.

Reference numeral 17 designates a bearing metal that supports the washing drive shaft 7 within the dewatering hollow shaft 3, and reference numerals 18, 19, and 20 designate shaft seals.

In the above configuration, during washing, when rotation (in either direction) is transmitted to the washing drive shaft 7 via a motor and a speed reduction mechanism (not shown), the tilting shaft 9 causes a precession motion. However, since the 4Xl stirring 3' (ζ10 is loosely fitted to the inclined shaft 9 and is rotatable, the blade itself does not rotate but swings as shown by the solid line and the two-dot chain line in the figure). Repeat. Therefore, the peripheral flange 10a of the agitating blade IO elastically swings up and down, and the laundry rotates as shown by a in the figure, so that the laundry is evenly washed and there is no uneven washing or twisting. There is no damage.In this case, if the rotation direction of the drive shaft 7 is periodically reversed left and right, the swinging of the stirring blades 10 will also change to the left and right rotation direction, which will change the direction in which the laundry is stirred and wash the laundry even better. Improves effectiveness.

During dehydration, the washing/dehydration tank 1 is connected to the motor and dehydration empty shaft 3.
When rotated through the washing machine, the laundry is forced outward by centrifugal force. Therefore, even if the laundry gets under the peripheral flange 10a of the stirring blade 10, there is a gap of 1=1 cm or more between the peripheral flange 10a and the bottom of the washing and dehydrating tub 1, so that the laundry can easily come in and out. Moreover, during spin-drying, the centrifugal force pushes the small laundry outwards, so after the operation is complete, small laundry items are moved to the agitating blade 10.
(7) Conventional problems such as being hidden underneath and not being found will be completely eliminated. In the above embodiment, the stirring blade 10 is loosely fitted to the inclined shaft 9, but the stirring blade 10 may be fixed to the inclined shaft 9.

(Effects of the Invention) According to the present invention, by providing a sufficient gap between the peripheral flange of the precessing agitating blade and the bottom of the washing/dehydration tank, and in combination with centrifugal dehydration operation, the laundry can be agitated. Conventional problems such as small items of laundry getting caught under the agitating blades or being hidden behind the flange of the agitating blades are solved.In addition, the laundry is not kinked, damaged, or washed evenly, making it more efficient. This has the effect of providing a centrifugal dehydrating washing machine that allows washing, has a simple mechanism, and is inexpensive.

[Brief explanation of drawings]

The figure is a sectional view of main parts of a centrifugal dehydrating washing machine showing an embodiment of the present invention. l...Washing/dehydration tank, 2, flange, 3...
・Empty shaft for dehydration, 4 ...Dehydration receiver is tank, 5 °゛°°
Mechanical case 6...Ball bearing, 7...
・Washing drive shaft, 8... Connection fittings, 9... Inclined shaft,
DESCRIPTION OF SYMBOLS 10... Plastic stirring blade, 10a... Peripheral flange of stirring blade, 11, ], 2... Bearing, 13
... Cap, 14 ... Removal stop bolt, 15
．． 16... Dowel pin, +7... Bearing metal,
18,19.20...Shaft seal.

Claims (2)

[Claims] (1) In a centrifugal dehydration washing machine that performs washing and dewatering in one tank, an eccentric inclined shaft is installed at the upper end of the washing drive shaft, and an elastic plastic stirring blade is attached to the inclined shaft. A centrifugal dehydrating washing machine characterized in that a gap between the washing and dehydrating tank bottom surface is maintained at least 1 cm or more at a downwardly inclined position of the agitating blade peripheral flange. (2) The centrifugal dewatering washing machine according to claim (1), wherein the rotation of the stirring blade is periodically switched between right and left rotation directions.