KR19990030764U - Structure of drain valve for washing machine - Google Patents

Abstract

The present invention relates to a structure of a drain valve that can prevent the leakage of water for washing by adding a straightness guide member and a straightness guide spring to secure the elastic force of the existing spring when the drain valve is opened and closed, and also to secure the horizontal holding force. .

The present invention is formed in a cylindrical shape is coupled to the drain pipe 22 is connected to the reservoir 11 on one side of the disk surface and coupled to the drain pipe 24 is connected to the outer side 10 of the washing machine on the side of the drain pipe 22 of the cylinder In the drain valve 200 in which the bellows 23 is installed in a horizontal direction, a plurality of straightness guide members 213 having a straightness guide spring 212 fitted therein are provided inside the bellows 23. The inner body 210 is inserted, and the straightness guide member 213 is cap 211 parallel to the direction of the elastic spring 27 from the rounded surface of the inner body 210 in contact with the bottom surface of the bellows 23. And a cap 211 is related to the structure of the drain valve for the washing machine, characterized in that the holes 214 are formed by the number of the straightness guide member 213, and is horizontal in the cylinder. Drain pipe folded in the direction of The straightness guide spring inserted in the straightness guide member installed in the disc of the inner body inserted into the bellows to open and close is installed to reinforce the elastic force of the elastic spring and to prevent the drain pipe to be in close contact to prevent leakage of washing water. It is effective.

Description

Structure of drain valve for washing machine

The present invention relates to the structure of the drain valve for a washing machine, and in particular, by changing the shape of the inner body and the shape of the cap by adding a straightness guide member and a straightness guide spring, the drain valve is operated by the operation of the wire by the drain motor. It relates to a structure of the drain valve that can prevent the leakage of the wash water by securing the elastic force of the existing spring when opening and closing, and also secure the horizontal holding force.

In general, the washing machine is installed in the inside of the outer box 10, which is a rectangular cylinder as shown in FIG. 1, with a water tank 11 of a cylindrical body accommodating laundry water, suspended by hook rods, and inside the water tank 11. A plurality of water holes are formed and a washing tub 12, which is a cylindrical body in which laundry and washing water is accommodated, is installed while forming concentric circles, and a pulsator 14 for generating water flow is installed at a lower portion of the washing tub 12.

The pulsator 14 and the washing tank 12 are axially coupled to the reduction gear assembly 16 mounted on the bottom surface of the water storage tank 11 at the same time as the driving of the double, the pulsator during the washing and rinsing stroke Only the left 14 rotates left or right, and during the dehydration stroke, the pulsator 14 and the washing tank 12 are integrally rotated in any one direction, and the reduction gear assembly 16 is a drive motor on one side. (15) and V-belt connected to work. The upper plate 17 is provided with a control unit, an electric chamber and the upper portion of the outer box 10, a balance 13 is installed on the upper end of the washing tank 12, the upper end of the reservoir 11 The shower ring 18 is provided.

And when the drain valve 20 and the drain motor 28 is installed on the bottom of the reservoir 11, the drain valve 20 is pulled wire 26 by the operation of the drain motor 28 in the drain stroke Washing water is drained through the drain pipe 22 connected to the reservoir 11 and the drain pipe 24 coupled to the outer box 10 by contracting the bellows formed therein. In the figure, reference numeral 19 denotes a tub flange.

The conventional drain valve 20 is composed of drain pipes 22 and 24 installed in different directions as shown in FIG. 2 and a cap 21 covering one side of the cylinder with a cylinder having a predetermined size of space. The inner space 25 is connected to the inner space through the cap 21, and an inner body 25 having a coil spring is installed, and an elastic spring 27 and a bellows are disposed around the inner body 25. The contraction of 23 causes the drain pipes 22 and 24 to communicate with each other so that the washing water in the reservoir is discharged to the outside. However, the drain valve 20 configured and operated as described above gradually increases the restoring force of the bellows 23. There was a problem that the washing water is located in the drain pipe 22 to be reduced to flow along the one side of the bellows (23). In addition, the bellows 23 is folded by pulling the wire 26, and the time to restore the original state is delayed, so that the bellows 23 is leaked within a short time, thereby not obtaining a good effect.

Therefore, the object of the present invention is to solve the drawbacks described above, and to change the shape of the inner body and the cap inserted in the drain valve by adding a straightness guide member and a straightness guide spring to operate the wire by the drain motor In order to provide a structure of the drain valve that can prevent the leakage of the wash water by securing the elastic force of the existing spring and the horizontal holding force when the drain valve is opened and closed by.

Features of the present invention for achieving the above object, the one side of the circle is formed in a cylindrical opening and the drain pipe 22 is coupled to the reservoir 11 on one side of the disk surface is coupled to the side of the cylinder close to the drain pipe 22 The bellows is coupled to the drain pipe 24 is connected to the outer casing 10 of the bellows to be folded by the pull of the wire 26 by the operation of the drain motor to be in contact with each other or to close the drain pipe (22, 24) In the drain valve 200 in which the 23 is installed in the horizontal direction, the straightness guide is provided inside the bellows 23 to assist the elastic force of the elastic spring 27 and maintain the straight motion of the bellows 23. An internal body 210 in which a plurality of straightness guide members 213 fitted with springs 212 are inserted is inserted, and the straightness guide member 213 blocks a drain valve 22 connected to the reservoir 11. Of bellows (23) From the rounded surface of the inner body 210 in contact with the bottom surface protrudes out of the cap 211 horizontally with the direction of the elastic spring 27, the cap 211 is straightness guide spring 212 is protruding out The drainage valve for a washing machine is characterized in that as many holes 214 are formed as the number of the straightness guide member 213 so that only the straightness guide member 213 can protrude outward.

Hereinafter, a more preferred embodiment of the drain valve for a washing machine according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view showing the internal structure of a typical washing machine,

2 is a cross-sectional view showing a structure of a drain valve for a conventional washing machine;

Figure 3a is a cross-sectional view showing the structure of the drain valve according to the present invention,

Figure 3b is a side view of the drain valve according to the present invention.

Explanation of symbols on the main parts of the drawings

10 ... trauma 11 ... reservoir

12 ... washing tub 13 ... balance

14 ... pulsator 15 ... drive boat

16 ... reducer assembly 17 ... top plate

18 ... shower ring 19 ... tub flange

20,200 ... Drain valve 21,211 ... Cap

22,24 ... drain pipe 23 ... bellows

25,210 ... inner body 26 .... wire

27 ... elastic spring 28 ... drainage motor

212 ... Straightness guide spring 213 ... Straightness guide member

214 ... hole

3 and 3a is a cross-sectional view and a side view showing an embodiment of the present invention.

As shown in the drawing, the structure of the drain valve for a washing machine according to the present invention is a drain valve 200 formed in a cylindrical shape with one side opening is coupled to the drain pipe 22 is connected to the reservoir 11 on one side of the disk surface is blocked. The side close to the drain pipe 22 of the cylinder is coupled to the drain pipe 24 is connected to the outside of the outer case 10 of the washing machine, the one side of the open circle is cap 211 is covered.

The bellows 23 is inserted into the drain valve 200 to form a straight line with the drain pipe 22 connected to the reservoir 11, and assists the elastic force of the elastic spring 27 in the bellows 23. In order to maintain the linear movement of the bellows 23, the inner body 210 in which a plurality of straightness guide members 213 into which the straightness guide springs 212 are fitted is expanded.

In addition, the straightness guide member 213 is horizontal to the direction of the elastic spring 27 from the rounded surface of the inner body 210 in contact with the bottom surface of the bellows 23 blocking the drain valve 22 connected to the reservoir 11. To protrude out of the cap 211.

The cap 211 is formed with holes 214 as many as the straightness guide member 213 so that the straightness guide spring 212 cannot protrude outward and only the straightness guide member 213 can protrude outward. .

In the structure of the drain valve of the present invention having such a configuration, the drain pipe 22 is connected to the water reservoir, the drain pipe 24 is connected to the drain lake which is drawn out of the washing machine, and the inner body 210 inside the cylinder. A hole 214 into which the straightness guide member is fitted to the opening of the tube by the inserted bellows 23 and the straightness guide member 213 added to the inner body in which the straightness guide spring 212 is fitted. Cap 211 is tightened by screwing. Subsequently, the other end of the wire 26 having one end coupled to the inner body 210 is engaged by being engaged with the operation plate operated by the drainage motor.

Therefore, when the wire 26 is pulled by the operation of the draining motor, the bellows 23 is folded in the horizontal direction in the cylinder, and the drain pipes 22 and 24 are in contact with each other. The straightness guide spring 212 fitted to the plurality of straightness guide members 213 positioned on the inner circumferential surface of 23 has elastic force to restore the bellows 23 to its original position in a contracted state. .

Therefore, the bellows 23 for the drainage stroke in the folded state is restored to its original position by the restoring force of the straightness guide spring 212 fitted to the plurality of straightness guide members 213, and the straightness in the washing and rinsing process. The guide spring 212 pushes the bottom surface of the bellows 23 around the inside of the bellows 23 to be in close contact with the drain pipe 22 to prevent leakage of the washing water.

According to the present invention as described above, by installing the straightness guide spring fitted to the straightness guide member that is added to the disc of the inner body inserted into the bellows to open and close the drain pipe while folding in the horizontal direction in the interior of the cylinder By reinforcing the elastic force of the elastic spring and preventing the drain pipe to be in close contact there is an effect of preventing the leakage of the wash water.

Claims (1)

One side of the circle is formed in an open cylindrical shape and the drain pipe 22 is connected to the reservoir 11 on one side of the disk surface and the drain pipe 24 connected to the outside of the outer casing 10 of the washing machine on the side close to the drain pipe 22 of the cylinder And a bellows 23 which is connected to the drain pipes 22 and 24 or closed by being folded by the wire 26 by the operation of the drain motor and installed in the horizontal direction. In 200, In order to assist the elastic force of the elastic spring 27 and to maintain the linear movement of the bellows 23 inside the bellows 23, a plurality of straightness guide members 213 in which the straightness guide spring 212 is fitted are expanded. The inner body 210 is inserted, the straightness guide member 213 from the rounded surface of the inner body 210 in contact with the bottom surface of the bellows 23 blocking the drain valve 22 connected to the reservoir 11 The cap 211 protrudes outwardly horizontally with the direction of the elastic spring 27, and the cap 211 cannot protrude outward from the straightness guide spring 212 and only the straightness guide member 213 protrudes out. The structure of the drain valve for a washing machine, characterized in that as many holes 214 as the number of the guide member 213 to straightness.