KR0136203Y1 - Apparatus for controlling water current in a washing machine - Google Patents

Abstract

The present invention relates to a water flow control device of the washing machine, the connector 56 is connected to the washing shaft 30 and integrally rotated, and the wash water that is bound by the connector 56 and stored in the outer tub 10. In the water flow forming apparatus of the washing machine comprising an impeller 52 for pumping and a housing member 94 disposed below the pulsator 84 to guide the flow of water flowing through the impeller 52, in order to form a central water flow. A pulsator having a housing member 94 disposed between the pulsator 84 and the impeller 52, and an upper side of the housing member 94, and a pumping wing 86 formed below the housing member 94. 84) and the basket spin 66 for guiding the washing water in the washing and dewatering tank 20 to form a water stream without stagnation, thereby preventing twisting of the washing machine by forming a central jet stream, and pumping. To improve force There is an advantage to that.

Description

Water flow controller of washing machine

1 is a longitudinal sectional view schematically showing a conventional washing machine.

Figure 2 is a longitudinal sectional view schematically showing a water flow forming device of a conventional washing machine.

Figure 3 is a longitudinal sectional view schematically showing a washing machine of the present invention.

4 is a perspective view of a housing member which is a main part of the present invention.

Figure 5 is an exploded perspective view showing the inside of the washing machine of the present invention.

Figure 6 is a plan view schematically showing the position of the hole formed in the basket spin of the present invention.

* Explanation of symbols for main parts of the drawings

1: washing machine body 10: outer tank

20: washing and dehydration tank 30: laundry shaft

31: deshrinkage 52: impeller

56 connector 66: basket spin

72: guide water flow 74: Rasby Cap

76: guide cap 84: pulsator

94: housing member

The present invention relates to a washing machine, and more particularly, to a water flow control apparatus for a washing machine, which prevents twisting of a washing machine and improves pumping power by forming a central jet stream.

In the conventional washing machine, as shown in FIG. 1, the outer tank 10 is fixed in the washing machine body 1, and the motor 12 disposed on the bottom of the outer tank 10 rotates and It is comprised by the drive device 24 which drives the washing | cleaning and dehydration tank 20 or the pulsator 22 via rotation of the belt 14 by rotation.

Inside the outer tub 10, a washing and dewatering tank 20 for dewatering laundry by centrifugal force generated by the driving of the motor 12 is installed on the dehydration shaft 122 of the driving apparatus 24. A pulsator for washing by forming a water flow in the water stored in the washing tank and the dehydration tank 20 while repeating the forward and reverse rotation in accordance with the driving of the motor 12 in the washing and dewatering tank 20 ( 22 is provided on the washing shaft 30 of the drive device 24.

The washing and dewatering tank 20 is formed with a plurality of holes 28 formed at regular intervals in the outer circumference of the cylindrical, the fastening means not shown in the lower portion of the washing and dewatering tank 20 basket spin 32 And washing shaft 30 is rotated integrally.

And, the upper side of the washing machine body 1 is connected to the faucet 36 through a hose 34 to supply water to the inside of the washing and dehydration tank 20, water on the lower surface of the outer tank 10 Drain means 38 for discharging the water is provided.

In the conventional washing machine configured as described above, after the laundry is put into the washing and dehydrating tank 20 in the outer tank 10, and a control panel (not shown) is operated, hot or cold water is washed and dehydrated through the faucet 36 ( 20, and then the rotational force according to the operation of the motor 12 operates the driving device 24 via the belt 14, and the pulsator 22 by the rotational force decelerated by the driving device 24. ) To wash the laundry in the washing and dehydration tank (20) by forming a centrifugal flow while repeating the forward or reverse rotation.

On the other hand, when the washing water is discharged to the outside by the operation of the drain means 38 when the washing is finished, the water supply is made again through the water supply 36, by rotating the laundry in the washing and dehydration tank 20 by such water supply Dewatering is performed by leaving the washing water from the laundry.

Reference numeral 34 denotes a water supply hose.

However, the washing machine configured as described above has the pulsator 22 installed above the washing shaft 30 of the driving device 24 during the washing process and the rinsing process, while repeating the forward and reverse rotation. The pulsator 22 forms the centrifugal water flow as indicated by the arrow in the washing and dehydration tank 20. The centrifugal water flow is closer to the internal axis of the washing machine by mrw = constant, which is a conservation law of angular momentum. (r1) Since the angular velocity (w) is increased, the twisted property of the laundry eventually inevitably results in the operation characteristics of the washing machine, and the washing efficiency and the rinsing efficiency of the washing machine are deteriorated.

In order to solve the above problems, there is a patent application No. 94-44246 in the Republic of Korea as of December 8, 1994 by the present applicant.

The water flow forming apparatus of the washing machine according to the patent application No. 94-44246 patented by the applicant is shown in FIG. The outer tank 10 is disposed on the outer circumferential surface of the upper part of the dehydration shaft 31 via a bearing 38, and the washing shaft 30 is disposed inside the dewatering shaft 31 so as to rotate freely.

The washing shaft 30 is protruded from the bottom surface of the washing and dehydrating tank 20 so that the connector 40 of the multi-stage shaft member shape is connected, and the lower portion of the connector 40 is coupled to the outer circumferential surface of the protrusion by serrations. In the middle of the connector 40, the wash water stored in the outer tub 10 is sucked through the suction port 201 formed on the bottom of the washing and dehydrating tank 20, or in the washing and dehydrating tank 20. The impeller 42 is arrange | positioned so that it may discharge to the upper part.

In the central upper portion of the pelletizer 44, a jet port 441 is formed so that the washing water discharged from the impeller 42 is jetted to the center upper side of the washing and dewatering tank 20, and the impeller 42 is formed in the jet port 441. The filter member 46 is disposed so that no foreign matter is introduced into the side.

A plurality of fastening means on the inner side of the lower portion of the washing and dehydration tank 20 to guide the washing water pumped by the impeller 42 at the lower portion of the washing and dehydration tank 20. The housing member 23 fixed by the 41 is arrange | positioned.

The water flow forming apparatus of the conventional washing machine configured as described above is washed through the filter member 46 accommodated in the jet port 441 of the pulsator 44 under the guidance of the space side surface of the housing member 23 and the cover member 25. The central jet stream is formed by spouting to the upper center of the cum dewatering tank 20, but the ejection power of the central jet stream spouting to the center of the upper part of the washing and dewatering tank 20 is weak and substantially twisted and entangled in the laundry. There was a problem that the phenomenon still occurs.

The present invention has been made to solve the above problems, the object of the present invention is to increase the power output of the central jet stream flowing to the upper center of the washing and dehydration tank, to prevent the twisting and tangling of the laundry, washing efficiency of the washing machine And to provide a water flow forming apparatus of the washing machine for improving the rinsing efficiency.

The water flow forming apparatus of the washing machine according to the present invention made to achieve the above object is connected to the washing shaft, and the impeller for pumping the wash water stored in the outer tank is bound by the connector, and is connected by the connector, and A water flow forming apparatus for a washing machine comprising a housing member disposed under a pulsator to guide a flow of water flowing through an impeller, wherein the housing member disposed between the pulsator and the impeller to form a central water flow, It is disposed on the upper side, and the lower side is characterized by consisting of a pulsator having a pumping wing is formed, and the basket spin to guide the washing water in the washing and dehydration tank to form a water flow without stagnation.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Figure 3 is a longitudinal sectional view schematically showing a washing machine of the present invention, Figure 4 is a perspective view of a housing member which is the main part of the present invention, Figure 5 is an exploded perspective view showing the inside of the washing machine of the present invention, Figure 6 is a A schematic plan view of a basket spin.

In the drawings, the same parts as in the conventional construction are denoted by the same name and the same reference numerals, and detailed description thereof will be omitted.

As shown in FIGS. 3 to 6, the flange 100 disposed on the bottom portion of the washing and dewatering tank 20, and the basket spin 66 which is integrally rotated on the upper side of the flange 100, is integrally rotated. ), An impeller 52 positioned above the basket spin 66 to form a flow rate for washing in the washing machine, and disposed on an upper side of the impeller 52 to be diffuser or volute. It consists of a housing member 94 which forms a water flow, and a pulsator 84 which is located above the housing member 94 and supplies wash water to the Rosbee cap 74.

The basket skin 66 disposed on the flange 100 is pumped of the pulsator 84 through a long through hole 98a formed in the housing member 94 with suction water sucked by the rotation of the impeller 52. As shown in FIG. 6 to supply the blade 86, a pair of first basket spin holes 66a formed at positions opposite to each other at the same radius on the Y axis and the first basket spin holes 66a. It is formed by a pair of 2nd basket spin holes 66b which are shifted to one side about the said Y-axis at the position of a radius larger than (circle), and have a predetermined angle with each other.

The impeller 52 forms a flow rate for washing while being positioned on the basket spin 66, and the connector 56 which binds the impeller 52 and the washing shaft 30 integrally includes the washing. The head portion is formed in a quadrangular shape so that the rotational force of the flange 100 disposed at the bottom of the dehydration tank 20 can be transmitted to the impeller 52.

The fastening means 92 for fastening the housing member 94 is fastened with the housing member 94 through a screw hole (not shown) formed by the basket spin 66.

In addition, a packing 90 is attached to the upper side of the through hole 98c formed at the center of the housing member 94 to prevent leakage of the wash water during rotation while binding to the pulsator 84. (94) In the lower side, a plurality of protrusions 96 are formed to form a central flow in the wash water supplied from the impeller 52, one end of the protrusion 96 is the center of the water flow formed in the impeller 52 It extends to the edge of the housing member 94 so that a jet stream may flow.

A portion of the flow rate sucked by the rotation of the impeller 52 is formed at the edge of the basket spin 66 at the bottom of the pulsator 84 through a long through hole 98a formed at one side of the housing member 94. A guide water flow 72 is formed to eject the pumping blade 86.

A plurality of pumping blades 84 protrude from the lower side of the pulsator 84 to form a pumping water flow to filter lint, and the hollow shaft 84a formed at the center of the pulsator 84 is the housing. The screw hole 56a formed in the connector 56 which is inserted into the through hole 98c formed in the center of the member 94 and is connected to the washing shaft 30 is pulsator 84 by the fastening means 78. And impeller 52 is integrally bound.

At the edge of the pulsator 84, a plurality of washing water passing through an elongated through hole 98a formed at one side of the housing member 94 through the impeller 52 is generated in the washing tank 20 to generate a side jet stream. Through-hole 84b is formed.

The Rasby cap 74 located above the pulsator 84 has a guide cap 76 disposed therein, and the guide cap 76 passes through the center of the housing member 94 and the pulsator 84. It is formed as a cone type to act as a venturi to accelerate the wash water while guiding a wash water.

In the above description, the Rasby cap 74 is fixed to the bottom surface on which the pulsator hole of the pulsator 84 is formed by the fastening means 74b.

The operation and effects of the water flow forming apparatus of the washing machine according to the embodiment of the present invention configured as described above will be described below.

When operating the control panel (not shown) to operate the washing machine, when the detergent dissolved water and the washing water are supplied in the washing and dehydrating tank 20, the rotational force transmitted while the motor 12 repeats the forward and reverse rotation is the belt ( 14) is transmitted to the drive device 24 via the washing and dehydration process is carried out.

First, when the washing stroke proceeds, the dehydration shaft 31 is fixed and the washing shaft 30 receives the rotational force from the driving device 24 through the connector 56 spoken to the washing shaft 30 through the impeller ( 52 and the pulsator 84 are rotated integrally.

Accordingly, the central jet stream, the rotary stream and the side jet stream are generated as shown in FIG. 3 by the rotation of the impeller 52, the housing member 94, and the pulsator 84. As shown in FIG.

The central jet stream of the water flow generated as described above passes through the housing member 94 because the washing water on the bottom of the washing and dewatering tank 20 increases the flow rate while passing through the impeller 52 when the impeller 52 rotates. While the protrusion 96 formed in the housing member 94 reduces the vortex, which is the speed of the rotational direction component in the wash water passing through the impeller 52, the loss due to the water flow is prevented.

The wash water passing through the housing member 94 passes through a plurality of pulsator holes 84b formed at the edge of the pulsator 84 and is collected by the guide cup 76 disposed on the pulsator 84. Washing water is discharged through the holes 74a formed in the Rasby cup 74 disposed on the upper side of the guide cup 76 to form a central jet stream in the washing and dehydration tank 20 to form the washing and dehydration tank 20. The laundry stored in the inside is washed.

At this time, since the pumping wing 86 under the pulsator 84 increases the flow rate of the washing water, as in the impeller 52, the washing water at the bottom of the washing and dehydrating tank 20 is transferred to the basket spin 66. Suction is carried out through the formed first and second basket spin holes 66a and 66b and the holes 98a formed in the housing member 94. Part of the wash water introduced through the first and second basket spin holes 66b and 98a and the hole 98a formed in the housing member 94 is filtered through the guide water flow 72 to filter lint. The remaining portion of the wash water sent to the means 92 and introduced through the holes 98a formed in the first and second basket spin holes 66b and 98a and the housing member 94 is supplied with a side jet stream. It is ejected to the washing and dehydration tank 20 through a plurality of holes 84a formed at the edge of the pulsator 84 to form.

As described above, the water flow forming apparatus of the washing machine according to the present invention has various shapes such as a central jet stream, a rotary stream, and a side jet stream by forming a plurality of protrusions on the lower side of the housing member and forming a plurality of holes in the basket spin. It is a very practical design that can improve the cleaning power by forming a stream of water to prevent twisting of the laundry and evenly contacting the detergent solution with the laundry.

Claims (5)

A connector 56 connected to the washing shaft 30 and integrally rotating, an impeller 52 which is bound by the connector 56 and pumps the washing water stored in the outer tub 10, and the impeller 52. In the water flow forming apparatus of the washing machine consisting of a housing member 94 disposed below the pulsator 84 to guide the flow of water flowing through), between the pulsator 84 and the impeller 52 to form a central flow A housing member 94 disposed in the housing member, a pulsator 84 disposed on the housing member 94 and having a plurality of pumping wings 86 formed therein, and in the washing and dewatering tank 20. Water flow control device of the washing machine, characterized in that consisting of a basket spin 66 for guiding the washing water to form a water flow without stagnation. According to claim 1, The housing member 94 is a plurality of protrusions 96 to protrude in the lower direction to form a central water flow and the washing water sucked from the impeller 52 of the basket spin 66 A through hole 98a for supplying to the guide water flow 72 formed on the outside and a packing 90 disposed above the through hole 98a of the housing member 94 to prevent leakage of the wash water. Water flow controller of washing machine. According to claim 1, The basket spin 66, the washing water sucked in accordance with the rotation of the impeller through the long through hole (98a) formed in the housing member 94 to the pumping blade (86) of the pulsator 84 A water flow forming apparatus for a washing machine, comprising a plurality of basket spin holes (66a) (66b) to supply. 4. The basket spin hole (66a) is a pair of first basket spin holes (66a) formed at positions opposite to each other at the same radius on the Y-axis, and the first basket spin hole (5). And a pair of second basket spin holes (66b) spaced at one side about the Y axis at a radius larger than 66a) at a predetermined angle to each other. 2. A plurality of holes (84b) are formed at edges of the pelletizer (84) for generating side jet streams in the streams passing through the elongated through holes (98a) of the housing member (94). Water flow control device of the washing machine, characterized in that.