KR20040006220A - The water supply system of a washer - Google Patents

Abstract

PURPOSE: A water supply device for a washing machine is provided to improve washing and rinsing efficiencies by forming various water streams in a washing tub with injecting washing water variously according to washing courses with forming additional injection passages in the injection unit. CONSTITUTION: A water supply device for a washing machine is composed of a case(52) in which a washing tub is installed to wash the laundry; a feed valve assembly(70) installed at the side of the case to regulate water supply; a detergent box assembly(80) connected to the feed valve assembly to store detergent for supplying washing water to the washing tub with dissolving detergent; and an injection unit(90) installed at the side of the detergent box assembly and connected to the feed valve assembly to inject washing water to the washing tub corresponding to the predetermined injection method during washing, intermittent dehydrating and rinsing.

Description

Water supply system of the washing machine {The water supply system of a washer}

The present invention relates to a water supply apparatus for a washing machine for supplying washing water into a washing tank, and more particularly, to a water supply apparatus for a washing machine capable of spraying washing water in a predetermined spraying form according to a washing stroke.

In general, a washing machine is a machine that provides a mechanical action by using electricity to remove the back when stained with clothing.

1 is a cross-sectional view showing a washing machine according to the prior art.

The conventional washing machine is rotatably installed in the case (2) and the outer tank (5) which is installed to be suspended in the case (2) formed in the center of the upper surface as shown in Figure 1, the insertion hole (h) Washing tank (6) consisting of an inner tank (4), the washing wing (8) rotatably installed on the bottom surface of the inner tank (4) to form a water flow in the wash water, and is installed below the outer tank (6) It consists of a clutch (not shown) and a motor (not shown) for selectively rotating the inner tub 4 and the washing blade 8.

Here, a door (not shown) is installed in the input hole (h) of the case (2) so that the user can open and close, the front of the door has a built-in microcomputer (not shown) for adjusting the operation of the washing machine, At the rear of the door, a water supply valve assembly 10 and a detergent box assembly 20 for supplying washing water and detergent to the washing tank 6 are embedded.

In particular, the water supply valve assembly 10 is a valve housing 14 installed at the lower end of the water supply hose 12 for supplying the wash water, and the water supply is built in the valve housing 14 to open and close the supply flow path of the wash water It consists of a valve 16.

In addition, the detergent box assembly 20 includes a detergent box housing 22 having a plurality of injection holes (not shown) formed therein so as to shower-spray the wash water connected to the valve housing 14 and supplied with the shower. Removably installed in the detergent box housing 22 is made of a detergent box 24, the detergent is stored therein.

Of course, the washing water introduced into the detergent box housing 22 during initial water supply is sprayed toward the detergent box 24 through a plurality of injection holes (not shown) to dissolve the detergent, and the detergent box housing 22 and the detergent. The washing tank 6 is supplied into the washing tank 6 along a flow path formed between the boxes 24.

In addition, even when washing water is supplied during washing, intermittent dehydration, and rinsing, washing water is supplied into the washing tank 6 along a flow path formed between the detergent box housing 22 and the detergent box 24. .

However, in the washing machine according to the related art, when the water supply valve 14 is opened, the washing water is supplied into the washing tub 6 through a predetermined flow path formed between the detergent box housing 22 and the detergent box 24, regardless of the washing stroke. Washing water is limited to improve the washing and rinsing performance because it does not form a variety of washing water flow water only in the form of a relatively wide stream of water.

The present invention has been made in order to solve the above problems of the prior art, by forming a variety of washing water in the washing tank by spraying the washing water in the set spray form according to the washing stroke can improve the washing and rinsing performance The purpose is to provide a water supply of a washing machine.

1 is a perspective view of a washing machine according to the prior art,

2 is a perspective view of a washing machine according to the present invention;

3 is a sectional view showing a washing machine according to the present invention;

4 is a perspective view schematically showing the main part of the present invention;

5a to 5d is a perspective view showing an operating state when water supply of the washing machine according to the present invention.

<Explanation of symbols on main parts of the drawings>

54: inner shell 55: outer shell

56: washing tank 70: water supply valve assembly

72: water supply hose 74: water supply valve housing

76: water supply valve 80: detergent box assembly

82: detergent box housing 84: auxiliary valve

86: detergent box 90: injection means

92: first water supply passage 94: second water supply passage

96: 3rd water supply passage

The water supply apparatus of the washing machine according to the present invention for solving the above problems is a case in which a washing tank for washing the laundry is mounted therein, a water supply valve assembly installed at one side of the case to regulate the water supply of the washing water, and the water supply The detergent box assembly is connected to the valve assembly and the detergent is stored so that the washing water is supplied into the washing tank while dissolving the detergent, and is installed to be connected to the water supply valve assembly on one side of the detergent box assembly to wash / intermittent dehydration / rinse stroke. It is composed of a spray means for spraying the washing water in the spray form set in the washing tank.

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

2 is a perspective view showing a washing machine according to the present invention, Figure 3 is a sectional view showing a washing machine according to the present invention, Figure 4 is a perspective view schematically showing the main part of the present invention.

2 and 3, the washing machine according to the present invention has an outer tub 55 installed so as to be suspended in a case 52 in which an input hole h is formed so that laundry can flow in and out of the upper surface of the washing machine according to the present invention. A washing tub 56 made of an inner tub 54 rotatably installed therein is installed, and a washing vane 58 is formed on the bottom surface of the inner tub 54 to rotatably rotate the wash water. The lower portion of the 55 is fixed to the clutch 62 and the motor 64 to selectively rotate the inner tank 54 and the washing blade (58).

In addition, the door 66 of the case 52 is installed in the opening hole h so as to be opened and closed, and the front of the door 66 has a built-in microcomputer 68 that can control the operation of the washing machine, the door At the rear of the 66, a water supply valve assembly 70 and a detergent box assembly 80 for simultaneously supplying the washing water and the detergent to the washing tank 56 are provided, and at one side of the detergent box assembly 80, the water supply valve is provided. Injecting means 90 for spraying the wash water supplied from the assembly 70 in a spray form set according to the washing / intermittent dewatering / rinsing stroke is installed to be connected to the water supply valve assembly 70.

Here, the water supply valve assembly 70 is a water supply valve housing 74 built in the rear of the door 66 of the case 52 so that one end is connected to the lower end of the water supply hose 72 for supplying the wash water, A water supply valve 76 is built in the water supply valve housing 74 to open and close the supply flow path of the wash water.

In addition, the detergent box assembly 80 may be connected to the other end of the water supply valve housing 74, and the detergent box housing 82 having a plurality of injection holes 82h formed therein to shower-inject the wash water supplied thereto. And an auxiliary valve 84 installed between the water supply valve housing 74 and the detergent box housing 82 to open and close a flow path so that washing water flows into the detergent box housing 82, and to the detergent box housing 82. Detachable is installed is made of a detergent box 86 is stored detergent inside.

Of course, the wash water introduced into the detergent box housing 82 is shower-sprayed through a plurality of injection holes 82h to dissolve the detergent in the detergent box 86 while the detergent box housing 82 and the detergent box ( It flows into the upper side of the washing tank 56 along the flow path formed between the 86.

In particular, the spraying means 90 has a first water supply passage 92 and one spray hole 92h formed at the front thereof so that the washing water is sprayed in a single spray form during the washing stroke, and at one side of the first water supply passage 92. A second water supply passage 94 and a plurality of injection holes 94h formed along the ring shape on the front surface of the second water supply passage 94 so that the washing water is sprayed in a ring shape during intermittent dehydration stroke; And a third water supply passage 96 in which a plurality of injection holes 96h are radially formed on the front surface so that the washing water is sprayed in the form of a shower during the rinsing stroke, and the first, second, third water supply passages 92, 94, and 96, respectively. It is provided at the rear of the first consists of the first, second, third valves (92a, 94a, 96a) to selectively open and close the flow path according to the washing stroke.

The injection means 90 configured as described above is formed so that rear ends of the first, second, and third water supply passages 92, 94, and 96 are in communication with each other, and the first, second, and third water supply passages (92, 94, and 96) are in communication with each other. ) Is installed on the upper side of the detergent box assembly 80 so that the rear end thereof is connected by the water supply valve housing 74 and the connection pipe 98.

Of course, the injection means 90 is the detergent box assembly (so that the rear end of the first, second, third feed passages (92, 94, 96) is connected by the water supply valve housing 74 and the connection pipe 98 ( 80) may be provided below.

Here, the first, second, third water supply passages (92, 94, 96) are formed to be inclined at a predetermined angle (θ) relative to the vertical surface so that the front surface facing the washing tank 56, spraying the washing water toward the washing tank 56 side To be done.

The first, second, and third valves 92a, 94a, and 96a selectively open and close the first, second, and third water supply passages 92, 94, and 96 by the microcomputer 68 in the washing order. Solenoid valve.

5a to 5d is a perspective view showing an operating state when water supply of the washing machine according to the present invention.

Looking at the operation of the present invention configured as described above are as follows.

First, when the user operates the washing machine, the amount of laundry in the inner tank 54 is sensed so that the microcomputer 68 opens the water supply valve 76 and the auxiliary valve 84 for a predetermined time.

Therefore, the wash water flows through the water supply hose 72, the water supply valve housing 74, and the detergent box housing 82 to the detergent box 86 through the injection hole 82h of the detergent box housing 82. The shower is sprayed, the detergent in the detergent box 86 is dissolved by the washing water sprayed in the shower, the detergent is dissolved in the wash water is the detergent box housing 82 and detergent box 86 as shown in 5a A relatively wide stream of water is formed through the flow path formed therebetween and is sprayed to the upper side of the washing tank 56.

Next, when a predetermined amount of washing water is supplied into the washing tank 56, the water supply valve 76 and the auxiliary valve 84 are closed, and the motor 62 and the clutch 64 are operated to operate the inner tank 54. And washing stroke is made while selectively rotating the washing blade (58).

At this time, as the water supply valve 76 and the first valve 92a are opened, the washing water is supplied to the water supply hose 72, the water supply valve housing 74, the connection pipe 98, and the first water supply passage as shown in FIG. 5B. Through 92 it is sprayed in a single spray form.

Here, the washing water is strongly sprayed to the washing tank 56 side through one spray hole (92h) formed on the front surface of the first water supply channel 92, not only to form a variety of washing water during washing, but also strongly from the upper side It has the effect of tapping and sucking.

Next, the inner tank and the washing blade 58 are integrally rotated during the washing stroke, and intermittent dehydration proceeds.

At this time, as the water supply valve 76 and the second valve 94a are opened, the washing water is supplied to the water supply hose 72, the water supply valve housing 74, the connection pipe 98, and the second water supply passage as shown in FIG. 5C. Through 94, it is injected in the form of a ring injection.

Here, the washing water is sprayed to the washing tank 56 side through a plurality of spray holes (94h) formed along the ring shape on the front surface of the second water supply passage 94, the washing water remaining in the laundry during intermittent dehydration Part of the solution and residual contamination are removed to the outside tank side.

Next, when the washing and intermittent dehydration stroke is completed, the inner tank 54 and the washing blade 58 are reversely rotated, and the rinsing stroke is performed in earnest.

At this time, as the water supply valve 76 and the third valve 96a are opened, the washing water is supplied to the water supply hose 72, the water supply valve housing 74, the connection pipe 98, and the third water supply passage as shown in FIG. 5D. Through 96 is sprayed in the form of a shower jet.

Here, the washing water is sprayed evenly over the front of the washing tank 56 through a plurality of spray holes 96h radially formed on the front surface of the third water supply passage 96 to form a variety of washing water during rinsing. The remaining detergent liquid and residual contamination are completely removed.

When the rinsing stroke is completed as described above, after the washing water is drained, the inner tank 54 and the washing blade 58 are integrally rotated so that the washing water is discharged from the laundry by centrifugal force.

In the water supply device of the washing machine according to the present invention configured as described above, the washing water is sprayed in the form of a single spray during the washing stroke, the washing water is sprayed in the ring-shaped spray during the intermittent dewatering stroke, and the washing water is sprayed in the shower spray during the rinsing stroke. Since the injection means formed with a separate injection flow path is installed on the upper side of the washing tank so as to be connected to the water supply valve assembly, the washing water is supplied in various spraying forms supplied according to the washing order to form various washing water flows inside the washing tank, thereby improving washing and rinsing performance. There is an advantage that can be improved.

Claims (6)

A case in which a washing tank for washing laundry is mounted therein; A water supply valve assembly installed at one side of the case to control the water supply of the wash water; A detergent box assembly connected to the water supply valve assembly to store detergent so that washing water is supplied into the washing tank while dissolving detergent; The water supply apparatus of the washing machine, characterized in that it is installed to be connected to the water supply valve assembly on one side of the detergent box assembly is configured to spray the washing water in the spray type set in the washing tank during the washing / intermittent dehydration / rinsing stroke. The method of claim 1, The spraying means includes a first water supply passage having one spray hole formed at one end thereof so that the washing water is sprayed in a single spray form during the washing stroke; A second water supply flow path formed at one side of the first water supply flow path and having a plurality of injection holes formed in a ring shape at one end thereof so that the washing water is sprayed in a ring shape during intermittent dehydration stroke; A third water supply passage formed at one side of the second water supply passage and having a plurality of spray holes formed in a radial direction at one end thereof so that the washing water is sprayed in the form of a shower during the rinsing stroke; The water supply device of the washing machine, characterized in that the first, second, third water supply passage is installed separately from the other end of the first, second, third valve to selectively open and close the flow path according to the washing stroke. The method according to claim 1 or 2, The water supply unit of the washing machine, characterized in that the spray means is installed on the upper side of the detergent box assembly. The method according to claim 1 or 2, The injection means is a water supply device for a washing machine, characterized in that installed on the lower side of the detergent box assembly. The method of claim 2, The first, second, third water supply passage is a water supply device of the washing machine, characterized in that one end is inclined so as to face the washing tank. The method of claim 2, The first, second, third valve is a water supply device of the washing machine, characterized in that the solenoid valve.