KR19990021441U - Pulsator in washing machine - Google Patents

Abstract

The present invention relates to a pulsator of a washing machine. More specifically, the washing water is ejected to a jet hole on one side of the upper side only during the forward rotation of the pulsator during the washing process so that the laundry is not concentrated in the center of the pulsator and at the same time the washing efficiency is improved. It is related with the pulsator of the washing machine which greatly improved.

That is, a pulsator having a predetermined wing is provided on the rotating body connected to the washing shaft of the clutch part while being installed at the inner lower part of the dehydrating tank, and a jet of a predetermined height is formed in the upper center of the rotating body, but the washing water is discharged to the jet. It characterized in that the ejection hole of a predetermined shape is formed to be eccentric so as to eject in one direction.

Description

Pulsator in washing machine

The present invention relates to a pulsator of a washing machine. More specifically, the washing water is ejected to a jet hole on one side of the upper side only during the forward rotation of the pulsator during the washing process so that the laundry is not concentrated in the center of the pulsator and at the same time the washing efficiency is improved. It is related with the pulsator of the washing machine which greatly improved.

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 combined laundry dehydration tank 6 is installed on the upper side of the combined laundry dehydration tank 6 so that the laundry rotates even when the laundry is depressed to one side. On the bottom surface of the tank 6, a pulsator 8 is rotatably installed to form a water stream in the wash water contained in the combined washing and 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. In accordance with the driving force of the clutch unit 5 received the driving force of the motor member 3 as in one washing stroke, the pulsator 8 rotates clockwise and counterclockwise in the forward and reverse directions 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 water, so there is a lot of problems, such as greatly reduced washability and accordingly the washing time.

The present invention is to solve the above-mentioned problems, in the center of the upper portion of the rotating body of the pulsator to form a spout so as to eject the washing water sucked into it from above the dehydration tank, The ejection hole is formed to be eccentric to eject the wash water sucked into the ejection port to one side, and then a guide is formed at the bottom of one side of the ejection hole so that the washing water is compressed and ejected only at the forward rotation, and ejected from the ejection hole. It not only prevents the laundry from becoming entangled as washing water, but also provides a washing machine pulsator that greatly improves the washing efficiency by colliding the laundry by jetting the washing water discharged from the spout to the laundry flowing back by the rotor blades. Its purpose is to.

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.

Figure 4 is a side cross-sectional view of the pulsator according to the present invention.

Explanation of symbols on the main parts of the drawings

5: clutch part 5a: washing shaft

6: Dehydration tank 20: pulsator

21: rotating body 21a: wing

21b: spout 21c: spout

21d: inlet hole 21e: guide

In order to achieve the above object, the present invention provides a pulsator provided with a predetermined wing on a rotating body connected to a washing shaft of a clutch part while being installed at an inner lower portion of a dehydration tank, and a blower outlet having a predetermined height at an upper center of the rotating body. It is formed, it characterized in that the ejection hole formed in a predetermined shape so as to eject the washing water in one direction in the jet port eccentrically.

In addition, the subject innovation is to form a guide on one side of the bottom surface of the rotating body, characterized in that the guide is formed in one side of the ejection hole.

The present invention is also characterized in that the inlet hole of a predetermined size is formed in the side wall portion of the rotating body.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention in detail as follows.

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 will be described with the same reference numerals.

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 jet hole 21c having a predetermined size is eccentrically formed at the upper end of the jet port 21b.

In addition, an inlet 21 d is formed in the side wall of the rotating body 21 to suck washing water. That is, when the rotating body 21 of the pulsator 20 is rotated forward and reverse, washing water around the rotating body 21 is introduced into the rotating body 21 through the inlet 21d. The upper part of the rotor 21 is ejected upward through the dewatering tank 6 through the spouting hole 21c.

In addition, a guide 21e is formed at the bottom of the rotor 21 to compress the washing water introduced into the jet hole 21c, and the guide 21e is formed at one side of the bottom of the rotor 21, for example. , Only one is formed on one side of the ejection hole 21c and the washing water is compressed by the guide 21e during the forward rotation of the rotating body 21 and then ejected into the ejection hole 21c, and the reverse rotation of the rotating body 21 is performed. At the time, the wash water is sucked by the guide 21e. That is, only when the rotating body 21 is rotated forward, the washing water is compressed and then ejected into the jet hole 21c, thereby causing turbulence in the washing water that is constantly flowing by the blade 21a of the rotating body 21. ), You can prevent the laundry from getting tangled.

In addition, a disc-shaped lower plate 21f is provided in the bottom of the rotating body 21 so as to be hermetically sealed, and a plurality of guides 21g are radially formed on the bottom of the lower plate 21f to form a wall of the dehydration tank 6. Washing water is pumped into the guide tube (11).

Referring to the operation of the subject innovation 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.

At this time, when the pulsator 20 performs the forward rotation, as shown in FIG. 4, the washing water is compressed by the guide 21e inside the rotating body 21 and then ejected into the eccentric jet hole 21c. Turbine is formed in the washing water that is constantly flowed by the blade 21a of (21) to prevent the laundry from being entangled, and the laundry is impacted to greatly improve its washing efficiency.

On the other hand, when the rotating body 21 rotates in reverse, wash water is sucked by the guide 21e.

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, only in the forward rotation of the rotating body 21, the washing water in the dewatering tank 6 flows into the inlet hole 21d of the side wall of the rotating body 21, and then the eccentricity of the upper part of the rotating body 21. The washing water sprayed to the upper side of the dehydration tank (6) through the spouting hole (21c), and the washing water sprayed to both sides is circulated by the wings (21a) of the rotating body (21) and the laundry concentrated in the center of the dewatering tank While dispersing on the inner wall of (6), the laundry is beaten to effectively rinse contaminants and detergents 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 allows the washing water sucked into the upper part of the rotating body 21 of the pulsator 20 from the inlet hole 21d on one side thereof to the upper side of the dehydration tank 6. The jet port 21b may be formed, but the jet hole 21c may be eccentrically formed to jet the washing water sucked into the jet port 21b to one side, and then guided to one bottom of the jet hole 21c. 21e is formed so that the washing water is compressed and jetted only during the forward rotation, thereby preventing the laundry from being entangled as the washing water jetted from the jet hole 21c, and of course, the blade 21a of the rotating body 21. It is a very useful design of the washing machine pulsator that greatly improves the washing efficiency by hitting the laundry by colliding the washing water jetted from the jet port 21b to the laundry being circulated.

The present invention is not limited to the above-described specific preferred embodiment, and any person having ordinary skill in the art to which the present invention pertains may make various modifications 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 (3)

A pulsator provided with a predetermined wing on a rotating body connected to the washing shaft of the clutch part while being installed at the inner lower portion of the dehydrating tank, and a jetting hole having a predetermined height is formed in the upper center of the rotating body, and the washing water is oriented in one direction. A pulsator of a washing machine, characterized in that the ejection hole of a predetermined shape is formed eccentrically to be ejected. The method of claim 1, The guide is formed on one side of the bottom surface of the rotating body, the pulsator of the washing machine, characterized in that the guide is formed in one side of the ejection hole. The method of claim 1, The pulsator of the washing machine characterized in that the inlet hole of a predetermined size is formed in the side wall portion of the rotating body.