KR101919501B1 - Water valve for washing device - Google Patents

Abstract

The water supply valve for a washing machine according to the present invention includes an upper housing having a water inlet pipe and a plurality of water outlet pipes, a lower housing coupled to a lower portion of the upper housing to receive various components of a water supply valve for a washing machine, A lower guide member disposed in the lower portion of the upper guide member and having a flow groove formed therein and a lower guide member disposed in the lower guide member and having a gear And a driving member for rotating the rotating member, wherein the rotating member and the lower guide member are rotated by the driving member to discharge water to any one of the plurality of the water outlet pipes .
According to the present invention, it is possible to prevent clogging of the water supply port even when the washing machine valve is used for a long time, and noise can be prevented from being generated during valve operation.
In addition, since the structure is very simple, corrosion of the components is prevented, frictional force acting between the components is small, so that failure can be prevented even for a long time of use, and components constituting the water supply valve can be stacked in the height direction So that a more compact water supply valve can be achieved.

Description

[0001] WATER VALVE FOR WASHING DEVICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water supply valve for a washing machine, and more particularly, to a water supply valve for a washing machine configured to prevent leakage and failure of water even during prolonged use and to enable reliable operation.

Generally, a washing machine is a device for washing when a washing agent is applied to a detergent mixed with water by applying a mechanical force.

Recently, various types of top loader type (drum type) washing machine and drum type washing machine have been developed and spread. In the drum washing machine, detergent, washing water and laundry are put into a drum installed horizontally, Device.

It is known that the washing by the drum washing machine as described above has almost no twisting and damage of the laundry, and has a washing effect of tapping and rubbing.

In the washing machine, a function of washing with hot water is provided. In this case, cold water and hot water are washed using water mixed at a predetermined temperature.

A water supply valve is used to supply water from an external water pipe to the washing machine, and Korean Patent Laid-Open Publication No. 10-2005-0021062 (title of the invention: reinforcing structure of a washing machine water supply valve) .

The water supply valves used in the conventional washing machine including the above-mentioned Japanese Patent Laid-Open Publication No. 21062 include a solenoid valve operated by supplied power and a diaphragm operated by the solenoid valve.

In the water supply valve for a washing machine using a conventional diaphragm, water is selectively supplied through a small hole that is opened or closed by a diaphragm. When the washing machine is used for a long period of time, This clogging occurs.

In addition, the diaphragm is always in contact with water supplied to the washing machine, and the diaphragm is hardened according to the water quality of the water, thereby failing to operate the diaphragm when the washing machine is used for a long time.

This eventually causes leakage and failure due to the pressure rise inside the water supply valve.

In addition, the solenoid valve for operating the diaphragm includes an electromagnet therein. The electromagnet vibrates at a predetermined frequency by the supplied alternating-current power. The vibration of the electromagnet is caused by a cause of " .

SUMMARY OF THE INVENTION It is an object of the present invention to provide a water supply valve for a washing machine, which is configured so that clogging of a water supply port does not occur even for a long period of time.

Another object of the present invention is to provide a water supply valve for a washing machine which is configured to prevent noise from occurring during valve operation.

It is still another object of the present invention to provide a water supply valve for a washing machine which is configured such that the configuration is very simple and the frictional force applied between the respective components is minimized.

It is still another object of the present invention to provide a water supply valve for a washing machine configured to prevent corrosion and breakdown caused by water.

It is still another object of the present invention to provide a water supply valve for a washing machine in which constituent elements constituting a water supply valve are compactly stacked in a height direction.

According to another aspect of the present invention, there is provided a water supply valve for a washing machine, comprising: an upper housing having a water inlet pipe and a plurality of water pipes; a lower housing coupled to a lower portion of the upper housing, A lower guide member disposed at a lower portion of the upper guide member and having a flow groove formed therein, and a lower guide member disposed at a lower portion of the upper guide member, And a driving member for rotating the rotary member, wherein the rotary member and the lower guide member are rotated by the driving member, so that any one of the plurality of water pipes And is configured to discharge water to the water outlet pipe.

Preferably, the inlet port and the outlet port are formed in the height direction of the upper guide member, and one inlet port and a plurality of outlet ports are spaced apart from each other.

Here, the flow groove includes an inlet flow groove formed at a position corresponding to the inlet and an outlet flow groove extending from the inlet flow groove in a radial direction.

A packing member may be disposed at the inlet and outlet of the upper guide member.

Preferably, the upper guide member and the lower guide member are formed in a plate shape having a predetermined thickness.

The driving member may include a driving motor and a gear for transmitting rotational force from the motor.

In addition, a leakage preventing member may be provided in the flow groove.

Preferably, the upper guide member or the lower guide member is formed of a ceramic material.

The leakage preventing member includes a central portion disposed at a central portion of the flow groove, and an outflow portion extending from the central portion, and an opening is formed in the outflow portion.

In addition, a partition is formed in the central portion, and the end of the outflow portion is bent, and the width of the outflow portion is formed to be smaller than the width of the central portion.

According to the present invention, the clogging of the water supply port can be prevented even when the washing machine valve is used for a long time.

In addition, noise can be prevented from being generated during operation of the valve.

In addition, the structure is very simple, the corrosion of the components is prevented, and the frictional force acting between the respective components is small, so that the failure can be prevented even for a long time of use.

Further, the constituent elements constituting the water supply valve can be stacked in the height direction, and a water supply valve of a more compact configuration can be achieved.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
1 is a perspective view of a water supply valve for a washing machine according to the present invention,
2 is a perspective view of the internal structure of the water supply valve,
3 is an exploded perspective view of the water supply valve,
4 is a perspective view of an upper guide member and a lower guide member included in the water supply valve,
5 is a perspective view of a water supply valve according to another embodiment of the present invention,
6 is a plan view of the upper guide member (a) and the lower guide member (b)
7 is a plan view showing a state in which the lower guide member is rotated with respect to the upper guide member;

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

Prior to this, the terms used in the specification and claims should not be construed in a dictionary sense, and the inventor may, on the principle that the concept of a term can be properly defined in order to explain its invention in the best way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments shown in the present specification and the drawings are only exemplary embodiments of the present invention, and not all of the technical ideas of the present invention are presented. Therefore, various equivalents It should be understood that water and variations may exist.

FIG. 1 is a perspective view of a water supply valve for a washing machine according to the present invention, FIG. 2 is a perspective view of the inside of the water supply valve, FIG. 3 is an exploded perspective view of the water supply valve, 5 is a perspective view of a water supply valve according to another embodiment of the present invention. FIG. 6 is a plan view of an upper guide member a and a lower guide member b, Fig. 7 is a plan view showing a state in which the lower guide member is rotated with respect to the member;

1 to 7, a water supply valve for a washing machine according to the present invention includes a water inlet pipe 2 and a plurality of water outlet pipes 4-1, 4-2, 4-3, 4-4, A lower housing 20 and 25 coupled to a lower portion of the upper housing 10 to receive various components of a water supply valve for a washing machine and a water inlet 32 disposed at a lower portion of the upper housing 10, An upper guide member 30 provided with a plurality of outlets 34-1, 34-2, 34-3 and 34-4 and a lower guide member 30 disposed under the upper guide member 30, A rotary member 50 in which the lower guide member 40 is received and a gear tooth 54 is formed on an outer surface thereof; Wherein the rotary member and the lower guide member are rotated by the driving member so as to be connected to any one of the plurality of water pipes the water .

The upper housing 10 is made of a synthetic resin material and includes a water inlet pipe 2 for introducing water from the outside and a plurality of water outlet pipes for discharging the water introduced through the water inlet pipe 2 to a predetermined position 4).

An external water supply hose (not shown) is connected to the water inlet pipe 2, and a filter for filtering foreign substances contained in the water to be introduced may be installed therein.

In the upper housing 10, the water inlet pipe 2 and the water outlet pipe 4 are formed at substantially the same height.

In the embodiment of the present invention, four water pipes 4 are illustrated as being formed, but the present invention is not limited thereto and various numbers of water pipes may be used.

One of the four water pipes 4 may be a water pipe for supplying water to the washing tub and the other may be a water pipe for supplying water with a detergent or an emulsifier.

The lower housing (20, 25) is coupled to the lower portion of the upper housing (10).

The lower housing 20, 25 includes a middle housing 25 and a bottom housing 20 which forms a bottom portion of the middle housing 25.

The intermediate housing 20 is provided with a connector 28 for supplying control signals and power from the main body controller of the washing machine.

The intermediate housing 25 and the bottom housing 20 may be integrally formed to house various components.

The upper guide member 30, the lower guide member 40, the rotary member 50, and the driving member 70 are accommodated in the upper housing 10 and the lower housing 20, 25.

The upper guiding member 30 and the lower guiding member 40 are arranged in such a manner that the water introduced into the water inlet pipe 2 is discharged to the outside through the plurality of water outlet pipes 4-1, 4-2, 4-3, 4-4 It is a constitution for selectively leading to any one of them.

As shown in FIG. 2, the upper guide member 30 and the lower guide member 40 are both flat and generally circular in shape.

In the upper guide member 30, the inlet 32 is formed so as to pass through the upper guide member 30 in the height direction at a substantially central portion thereof.

The inlet 32 is a portion through which the water flowing into the inlet pipe 2 of the upper housing 10 passes.

A plurality of outlets (34) are formed in the upper guide member (30) so as to pass through the upper guide member (30) in the height direction around the inlet (32).

The water inlet 32 of the upper guide member 30 and the plurality of water outlets 34 are spaced apart from each other so that the water introduced into the water inlet pipe 2 of the upper housing 10 is separated from the upper guide member 30 Flows into the inlet port 32 of the water outlet 4 and is not configured to flow directly into the water outlet pipes 4-1, 4-2, 4-3, 4-4.

That is, the water inlet pipe 2 of the upper housing 10 and the water inlet 32 of the upper guide member 30 are communicated with each other, and the water inlet pipe 2 and the water outlet pipes 4-1, 4-2, 4-3, 4-4 are configured not to communicate directly with each other.

The water flowing into the inlet 32 flows through the inlet 32 into the flow guide 32 of the lower guide member 40, (42).

6, the flow grooves 40 of the lower guide member 40 extend from the inflow flow grooves 42-1 at the central portion and the inflow flow grooves 42-1 to the lower guide member 40, And an outflow flow groove 42-2 extending in the radial direction of the flow passage 42-2.

The flow grooves 42 are not formed to penetrate the lower guide member 40 in the height direction, but are formed to be recessed at a predetermined depth from the surface of the lower guide member 40.

Water flows into the inflowing flow grooves 42-1 through the inlet 32 and water flowing into the inflowing flow grooves 42-1 flows through the outflow flow grooves 42-2, And flows to the outlets 34-1, 34-2, 34-3, and 34-4.

7, when the lower guide member 40 is disposed below the upper guide member 30, the lower end of the outflow flow groove 42-2 is closed as the lower guide member 40 is rotated, Is positioned below any one of the four outlets 34-1, 34-2, 34-3, and 34-4 so that the outflow port 34, in which the outflow flow groove 42-2 is disposed, Water flows through.

Thus, the water flowing out through the outlet 34 is finally discharged through the outlet pipe 4.

Here, the packing member 60 may be disposed at the inlet 32 and the outlet 34 of the upper guide member 30.

The upper guide member 30 is disposed in contact with the lower portion of the upper housing 10 in a state in which the packing member 60 is disposed at the inlet 32 and the outlet 34 of the upper guide member 30 The upper guide member 30 and the upper housing 10 are abutted and engaged.

Thus, when water flows into the inlet port 32, the outlet port 34 and the water outlet pipe 4 through the water inlet pipe 2, the water flows into the space between the upper guide member 30 and the upper housing 10 So as not to leak.

The upper guide member 30 and the lower guide member 40 are formed of a ceramic material.

The upper guide member 30 and the lower guide member 40 are made of a ceramic material so that the upper guide member 30 and the lower guide member 40 are made of a ceramic material Thereby preventing corrosion caused by water and preventing abrasion easily even for a long time of use.

In this regard, the ceramic material forming the upper guide member 30 and the lower guide member 40 is formed of a ceramic material including an alumina component.

The alumina component is a compound of aluminum and oxygen, and has a high melting point and is excellent in corrosion resistance and abrasion resistance.

The lower guide member 40 is accommodated in the opening 52 inside the rotary member 50.

The rotary member 50 is formed in a circular shape as a whole and an opening 52 is formed in a central portion of the rotary member 50 so that the lower guide member 40 is accommodated in the opening 52.

The gear teeth 54 are formed on the outer surface of the rotary member 50 and the gear teeth 54 are rotated by the gears 74 included in the driving member 70, And the lower guide member 40 accommodated in the inner opening 52 thereof are rotated.

The driving member 70 includes a driving motor 72, a gear 72-1 for transmitting rotational force from the driving motor 72, and a supporting gear 74 contacting the outer surface of the rotating member 50 do.

The gear 72-1 is constituted by a worm formed at the end of the rotation axis of the drive motor 72. [

The supporting gear 74 is a gear for stably supporting the rotary member 50.

The gear teeth 54 formed on the outer surface of the rotary member, the gear 72-1 formed on the rotary shaft of the drive motor, and the gears included in the support gear 74 may all be formed of a worm gear and a worm wheel.

Thus, the rotational force of the driving motor 72 can be converted into the rotational force of the rotary member 50, thereby enabling smooth transmission of force and prevention of noise.

The driving motor 72 may be a DC driving motor, a stepping motor, or the like, and may be rotated by a predetermined angle by a control signal transmitted from a controller of the washing machine body.

Thus, the lower guide member 40 is rotated at a predetermined angle in accordance with a control signal transmitted from the control unit of the washing machine main body, and the position of the outflow flow grooves 42-2 is determined by the four outlets 34-1, 34- 4-2, 4-3, and 4-4 by placing them at the lower part of the outlets of any one of the four outlets (4-1, 4-2, 4-3, 4-4) Water can be selectively discharged through the pipe.

The upper guide member 30 and the lower guide member 40 of the water supply valve according to the present invention are stacked in the height direction and the lower guide member 40 is accommodated in the rotary member 50 The components can be stacked in a compact manner in the height direction in the upper housing 10 and the lower housing 20, 25, so that the water supply valve of a more compact configuration can be constructed.

Meanwhile, a leakage preventing member (80) may be installed in the flow groove (42) of the lower guide member (40).

The leakage preventing member 80 includes a central portion 82 disposed at a central portion of the flow groove and having a partition wall and an outlet portion 84 extending from the central portion 82, An opening 86 is formed.

Wherein the end portion 88 of the outlet portion 84 is bent upwardly such that the outlet portion 84 is less than the width of the central portion 82 and the outlet portion 84 is somewhat upward As shown in Fig.

The water leakage preventing member 80 is formed of a synthetic resin material and contacts the lower surface of the upper guide member 30 in a state where it is disposed in the flow groove 42 of the lower guide member 40.

The width of the outflow portion 84 is formed to be smaller than the width of the central portion 82 so that the outflow portion 84 is flexibly bent. The portion of the outflow portion 84 is deformed downward so that the opening 86 formed in the outflow portion 84 is deformed downwardly in the lower portion of the upper guide member 30, (42-2) of the guide member (40).

When the portion of the opening 86 of the outflow portion 84 is in close contact with the bottom portion of the outflow flow groove 42-2 as described above, the water introduced into the inflow flow groove 42-1 flows into the opening 86, And does not flow by the end 88 portion of the outlet.

In this state, when the lower guiding member 40 is rotated and the outflow flow groove 42-2 is positioned below any one of the outlets 34 of the upper guide member 30, The end portion 88 of the outlet portion 84 of the outlet port 80 is displaced upward in the outlet port 34 and in this case the water introduced into the inlet flow port 42-1 flows into the outlet port 84, Through the portion of the opening 86 in FIG.

Accordingly, the outflow flow grooves 42-2 of the lower guide member 40 can be formed in any one of the outlets 34-1, 34-2, 34-3, and 34-4 of the upper guide member 30 Water may flow through the opening 86 of the waterproofing member 80 but water may flow through the opening 86 of the waterproofing member 80 in the remaining case, And the upper guide member 30 from being leaked.

5 (a), the hole sensor 92 and the magnet 93 may be disposed at a predetermined angle with respect to the rotational direction of the rotary member 50, Or a gear is formed on the shaft of the variable resistor 94 as in the embodiment shown in Fig. 5 (b) to detect the rotation angle of the rotary member 50 ) May be detected to detect the rotation angle.

6 (a) is a plan view of the upper guide member 30, and 6 (b) is a plan view of the lower guide member 40. FIG.

7 (a) to 7 (f) show a state in which the flow grooves 42 of the lower guide member 40 are rotated and the outlets 34-1, 34-2, 34-3, 34 -4) in the first embodiment.

For example, as shown in FIG. 7 (a), the flow grooves 42 of the lower guiding member 40 may be formed in any one of the outlets 34-1, 34-2, 34-3, and 34-4 If they do not overlap, water does not flow.

Thereafter, when the lower guide member 40 is rotated so that the flow grooves 42 are overlapped with the respective outlets 34-1, 34-2, 34-3, and 34-4, water is supplied to the overlapped outlets If the flow grooves 42 do not overlap with any outlets of the outlets 34-1, 34-2, 34-3, and 34-4 as in 7 (f), water flows It does not.

While the present invention has been described with reference to the exemplary embodiments and the drawings, it is to be understood that the technical scope of the present invention is not limited to these embodiments and that various changes and modifications will be apparent to those skilled in the art. Various modifications and variations may be made without departing from the scope of the appended claims.

10: upper housing
20, 25: Lower housing
30: upper guide member
40: Lower guide member
50: Rotating member
60: packing member
70:
80: Leak prevention member
92: Hall sensor
93: Magnetic
94: Variable resistance

Claims (10)

An upper housing in which a water inlet pipe and a plurality of water outlet pipes are formed;
A lower housing coupled to the lower portion of the upper housing to receive various configurations of the water supply valve for the washing machine;
An upper guide member disposed at the lower portion of the upper housing and having an inlet and a plurality of outlets;
A lower guide member disposed below the upper guide member and having a flow groove formed therein;
A rotary member having the lower guide member therein and having gear teeth formed on its outer surface;
And a driving member for rotating the rotating member,
And the water is discharged to one of the plurality of water pipes by rotating the rotating member and the lower guide member by the driving member,
And a water leakage preventing member is provided in the flow groove. The method according to claim 1,
Wherein the inlet and outlet ports are formed in the height direction of the upper guide member,
Wherein one inlet port and a plurality of outlet ports are spaced apart from each other. The method according to claim 1,
Wherein the flow groove includes an inlet flow groove formed at a position corresponding to the inlet,
And an outlet flow groove extending radially from the inlet flow groove. The method according to claim 1,
And a packing member is disposed at the inlet and outlet of the upper guide member. The method according to claim 1,
Wherein the upper guide member and the lower guide member are formed in a plate shape having a predetermined thickness. The method according to claim 1,
Wherein the driving member includes a driving motor and a gear for transmitting rotational force from the driving motor. The method according to claim 1,
Wherein the upper guide member or the lower guide member is formed of a ceramic material. The method according to claim 1,
The leakage preventing member includes a central portion disposed at a central portion of the flow groove,
And an outlet portion extending from the center portion,
And an opening is formed in the outlet portion. 9. The method of claim 8,
A partition wall is formed in the central portion, and an end of the outflow portion is bent,
And the width of the outlet is smaller than the width of the center portion. delete

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