KR19990043525A - Pulsator in washing machine - Google Patents

Abstract

The present invention relates to a pulsator of a washing machine, and more particularly, to wash the washing water upward of the pulsator repeating the normal and reverse rotation during the washing process to prevent the laundry from concentrating on the center of the pulsator while washing It relates to a pulsator in a washing machine that maximizes efficiency.

In other words, at least one inlet is formed on the side of the rotor of the pulsator, and a spout for discharging the washing water sucked into the inside of the rotor from the inlet to the upper center of the rotor above the dehydration tank is formed. The washing machine pulsator not only prevents the laundry from being entangled as a jet of washing water, but also improves the washing efficiency by colliding the laundry by jetting the washing water discharged from the jet port to the laundry being circulated by the rotor blades. In order to achieve the above object, the present invention provides a pulsator provided with a predetermined wing on the rotating body connected to the washing shaft of the clutch portion while being installed in the inner lower portion of the dehydration tank, Inlet port for washing water is formed in the upper center and the washing water flows into the side wall of the rotating body At least one is characterized in that formed.

Description

Pulsator in washing machine

The present invention relates to a pulsator of a washing machine, and more particularly, to wash the washing water upward of the pulsator repeating the normal and reverse rotation during the washing process to prevent the laundry from concentrating on the center of the pulsator while washing It relates to a pulsator in a washing machine that maximizes efficiency.

In general, a washing machine is a product for removing various contaminants attached to clothes, bedding, etc. by using the emulsion action of the detergent and the friction action of the water flow due to the rotation of the pulsator and the impact action of the pulsator on the laundry. By detecting the amount and type of the laundry by the sensor, the washing method is automatically set, the washing water is supplied to the appropriate level according to the amount and type of the laundry, and the washing is performed under the control of the microcomputer.

In the conventional fully automatic washing machine, as illustrated in FIG. 1, an outer tub 2 for storing wash water is installed inside the main body 1 forming an outer appearance, and the outer bottom of the outer tub 2 is driven by power. A motor member 3 is installed, and a clutch unit for driving a pulsator or a washing / dehydration tank to be described later by receiving a driving force from the motor member 3 through the belt 4 on the outer bottom of the outer tub 2 ( 5) is mounted, the inside of the outer tub (2) is combined with a washing combined dehydration tank (6) rotatably so that the laundry can be dewatered by the centrifugal force due to the rotation of the clutch (5).

In addition, a balancer 7 for maintaining a horizontal state of the dehydration tank 6 is installed on the upper side of the dehydration tank 6 so that the laundry is rotated even when one side of the dehydration tank is rotated to one side. A pulsator 8 is rotatably installed on the bottom surface of the water to form a water stream in the wash water contained in the dehydration tank 6 to perform the washing process.

Here, when looking at the structure of the pulsator 8, as shown in Fig. 2 is formed a circular rotating body 8a which is interlocked with the washing shaft 5a of the clutch portion 5, the upper surface of the rotating body 8a At least one wing (8b) is formed.

In addition, the water supply for detecting the water level of the wash water stored in the outer tank (2) by the water level sensor (not shown) in the upper portion of the main body 1 to supply the wash water according to the laundry in the outer tank (2) The device 9 is installed.

In addition, a drainage means 10 for discharging the contaminated washing water generated at the time of washing and rinsing is installed at one lower side of the outer tub 2, and a pulsator 8 is disposed inside the washing / dehydration tank 6. A guide tube 11 for guiding the water flow upward as the rotation is provided is provided.

In the conventional fully automatic washing machine configured as described above, laundry and detergent are put in the dehydration tank 6, and operation conditions are selected by an operation unit (not shown), and then the washing machine is operated to wash the water into the tub 2 through the water supply device 9. When the water supply stroke to be supplied is progressed and the wash water supplied to the outer tub 2 is completed by the designated amount, the motor member 3 starts to rotate, and the rotational force of the motor member 3 causes the belt 4 to rotate. It is transmitted to the clutch unit 5 through the clutch unit 5, and the clutch unit 5 receives the rotational force of the motor member 3 to decelerate at a predetermined speed, and then rotates the pulsator 8 to wash in the dehydration tank 6. When the number is returned, the laundry administration proceeds.

That is, as the pulsator 8 rotates, the washing water in the dehydration tank 6 rises at the edge of the rotor 8a by the vanes 8b of the rotor 8a. Washing stroke to form a heart-shaped up and down water flow descending to the center is in progress.

Then, when the washing operation is finished, the solenoid valve (not shown) installed in the lower part of the outer tank 2 is turned on (opened) and the contaminated washing water stored in the outer tank 2 and the dehydration tank 6 is removed. The drainage stroke discharged to the outside through the drainage means 10 is in progress.

Thereafter, when the drainage stroke of the washing water is completed, the solenoid valve is turned off and the rinsing water is supplied to the inside of the outer tub 2 through the water supply means 9 to reach the water level required for rinsing the laundry. Like the washing stroke, the pulsator 8 rotates clockwise and counterclockwise in the clockwise and counterclockwise directions according to the driving force of the clutch unit 5 that receives the driving force of the motor member 3 to remove contaminants and detergents from the laundry. Rinsing rinse stroke is in progress.

When the final rinsing stroke is repeated by repeating the above rinsing cycle several times, the rinsing-completed wash water stored in the outer tank 2 and the dehydrating tank 6 is discharged to the outside through the drainage means 10, wherein the clutch As the dehydration tank 6 rotates in one direction according to the driving force of (5), a dehydration stroke for dewatering the wash water in the dehydration tank 6 and the wash water permeating the laundry proceeds.

However, such a conventional washing machine is not only deteriorate in washability because laundry is twisted with each other while the laundry is moved to the center in the process of washing using the rotational water generated when the pulsator 8 is reversely rotated. The washing efficiency is extremely low. That is, when the rotational water flows, the laundry is rotated by the rotational water and is rubbed with each other in this process, and washing proceeds. At this time, the laundry is twisted and twisted at the same time as the laundry is moved to the center. This twisted laundry is not rubbed well by the rotational flow, so there was a lot of problems, such as the washability is greatly reduced and the washing time is long accordingly.

The present invention is to solve the above-mentioned problems, the at least one inlet is formed on the side of the rotor of the pulsator, the washing water sucked into the inside of the rotor from the inlet in the upper center of the rotor of the dehydration tank By forming a spout to spout upwards to prevent the laundry from being entangled as washing water spouted from the spout, as well as hitting the laundry by colliding the washing water spouted from the spout into the laundry being circulated by the rotor blades The purpose of the present invention is to provide a washing machine pulsator that greatly improves washing efficiency.

1 is a cross-sectional view of a typical washing machine.

2 is a perspective view of a pulsator according to the prior art;

Figure 3 is an exploded perspective view of the pulsator according to the present invention.

4 is a side cross-sectional view of a pulsator in accordance with the present invention.

* Explanation of symbols for main parts of the drawings

6: Dehydration tank 20: pulsator

21: rotating body 21a: wing

21b: Outlet 21c: Inlet

21d: Guide Wings

In order to achieve the above object, the present invention is a pulsator provided with a predetermined wing on the rotating body connected to the washing shaft of the clutch portion while being installed in the inner lower portion of the dehydration tank, and a spout of a predetermined height in the upper center of the rotating body It is formed, characterized in that formed at least one inlet for introducing the wash water to the side wall portion of the rotating body.

In addition, the present invention is characterized in that a plurality of guide wings to facilitate the ejection of the washing water on the inner peripheral surface of the jet port.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is an exploded perspective view of the pulsator according to the present invention, Figure 4 is a side cross-sectional view of the pulsator according to the present invention. The same parts as in the description of Fig. 1 are denoted by the same reference numerals to describe the present invention.

First, as shown in FIG. 1, the washing machine is provided with an outer tub 2 for storing wash water inside the main body 1 forming an outer appearance, and a motor driven by a power source applied to an outer bottom of the outer tub 2. A member 3 is installed, and a clutch portion 5 for driving a pulsator or a combined use dehydration tank to be described later by receiving a driving force from the motor member 3 through the belt 4 on the outer bottom of the outer tub 2. ) Is mounted, and the combined washing and dehydration tank (6) is rotatably mounted in the outer tub (2) so that the laundry can be dehydrated by centrifugal force due to the rotation of the clutch (5).

On the upper side of the dehydration tank (6), a balancer (7) is provided for maintaining the horizontal state of the dehydration tank (6) so that the laundry is rotated even when the dehydration is biased to one side.

In addition, a pulsator 20 is rotatably installed on the bottom surface of the dehydration tank 6 to rotate the washing water contained in the dehydration tank 6 to perform a washing process. The pulsator 20 is a clutch. A disk-shaped rotating body 21 connected to the washing shaft 5a of the part 5 is formed, and a plurality of wings 21a are formed radially on the upper surface of the rotating body 21, and the rotating body A jet port 21b having a predetermined height is formed at the center of the upper surface of the upper surface 21, and a fastening hole (not shown) to which the fixing screw 21g is fastened is formed at the inner bottom of the jet port 21b.

In addition, a plurality of guide vanes 21d are formed vertically on the inner circumference of the jet port 21b to easily pump the wash water on the bottom of the rotor 21 upward above the jet port 21b.

In addition, an inlet (21c) for sucking the wash water is formed in the side wall portion of the rotating body (21). That is, when the rotating body 21 of the pulsator 20 is rotated forward and backward, the washing water around the rotating body 21 is introduced into the rotating body 21 through the inlet 21c, It blows up above the dehydration tank 6 through the blowing port 21b of the upper part of the said rotor 21.

In addition, a lower plate 21e of a disc shape is formed at the bottom of the rotating body 21, and a plurality of guides 21f are formed at the bottom of the lower plate 21e, so that the guide tube 11 of the wall of the dehydration tank 6 is formed. To pump the wash water.

Referring to the operation of the present invention configured as described above in detail.

Put the laundry and detergent in the dehydration tank (6) and select the operating conditions by the operation unit (not shown) and then operate the washing machine to supply the washing water supplied to the inside of the outer tank (2) through the water supply device (9). .

When the wash water supplied in the outer tub 2 is completed by the designated amount, the motor member 3 installed at the bottom of the outer tub 2 starts to rotate, and the rotational force of the motor member 3 is the belt 4. It is transmitted to the clutch unit 5 through the clutch unit 5, the clutch unit 5 receives the rotational force of the motor member 3 to decelerate at a predetermined speed, and then rotates the pulsator 20 to wash the dewatering tank 6. The washing process is carried out to return the water.

In other words, as the pulsator 20 rotates, the washing water in the dehydration tank 6 rises at the edge of the rotor 21 by the blades 21a of the rotor 21, and then the rotor 21 The washing process proceeds by forming a heart-shaped upstream and downstream water stream descending to the center of the backplane.

In addition, when the pulsator 20 repeats the forward and reverse rotation, the washing water in the dehydration tank 6 flows into the inside through the inlet 21c of the rotating body 21 as shown in FIG. The laundry is ejected above the dewatering tank 6 through the spout 21b of the rotating body 21 and impacts the laundry flowing back by the blade 21a of the rotating body 21, thereby washing the rotating body 21. It is possible to prevent the concentration in the center of the laundry while improving the washing efficiency.

In other words, the washing water jetted as described above disperses laundry uniformly flown by the blades 21a of the rotating body 21 in all directions, and at the same time, tapping the laundry at various angles, and stinging the laundry. Will be separated. That is, the laundry is rotated as the blade 21a of the rotating body 21 in a predetermined direction to perform the washing process, and the laundry being flowed by the blade 21a of the rotating body 21 is ejected from the jet port 21b. By tapping with the wash water, the laundry is not entangled with each other, as well as greatly improving the washing efficiency.

At this time, since the plurality of guide vanes 21d are vertically formed in the ejection opening 21b of the rotating body 21, washing water at the bottom of the rotating body 21 can be strongly pumped upward of the ejection opening 21b. have.

Next, when the washing operation is completed, the solenoid valve (not shown) installed in the lower part of the outer tank 2 is turned on (opened) and drains the contaminated washing water stored in the outer tank 2 and the dehydrating tank 6. The drainage stroke is discharged to the outside through the means 10.

Thereafter, when the drainage stroke of the washing water is completed, the solenoid valve is turned off and the rinsing water is supplied to the inside of the outer tub 2 through the water supply means 9 to reach the water level required for rinsing the laundry. In accordance with the driving force of the clutch unit 5 which has received the driving force of the motor member 3 as in the washing stroke, the rotating body 21 of the pulsator 20 rotates clockwise and counterclockwise to the laundry. A rinse stroke is performed to rinse remaining contaminants and detergents.

At this time, as described above, the washing water in the dewatering tank (6) is introduced into the inside of the rotating body 21, and then is ejected to the upper side of the dewatering tank (6) through the spout 21b of the upper portion of the rotating body (21), The washing water jetted in this way is circulated by the blades 21a of the rotating body 21, disperses the laundry concentrated in the center thereof, and simultaneously beats the laundry to effectively rinse the contaminants and detergent remaining in the laundry.

When the final rinsing stroke is repeated by repeating the above rinsing cycle several times, the rinsing-completed wash water stored in the outer tank 2 and the dehydrating tank 6 is discharged to the outside through the drainage means 10, wherein the clutch As the dehydration tank 6 rotates in one direction according to the driving force of (5), a dehydration stroke for dewatering the wash water in the dehydration tank 6 and the wash water permeating the laundry proceeds.

As described above, the present invention forms at least one inlet 21c on the side of the rotor 21 of the pulsator 20, and the rotor from the inlet 21c in the upper center of the rotor 21 It is a matter of course to form a jet port 21b for ejecting the wash water sucked into the inside of the 21 above the dewatering tank 6 to prevent the laundry from being entangled as the wash water jetted from the jet port 21b. It is a very useful invention which greatly improves washing efficiency by striking the laundry by colliding the washing water jetted from the jet port 21b to the laundry being circulated by the blade 21a of (21).

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (2)

A pulsator provided with a predetermined wing on a rotating body connected to the washing shaft of the clutch unit while being installed in the inner lower portion of the dewatering tank, and a spout of a predetermined height is formed in the upper center of the rotating body, and washed on the side wall of the rotating body. A pulsator of a washing machine, characterized in that at least one inlet for introducing water is formed. The method of claim 1, A pulsator of a washing machine, characterized in that a plurality of guide wings are formed on the inner circumferential surface of the jet port to facilitate the jetting of wash water.