KR0127335Y1 - Supplying and drain device of a washing machine - Google Patents

Abstract

The present invention changes the water channel during water supply and drainage according to the washing administration by operating the drainage pump installed in the forced drainage type washing machine. Therefore, it is possible to increase the washing performance, it is possible to reduce the consumption of water is provided with many advantages.

To this end, the present invention is installed in the outer tank (2) and the drainage motor (3) which is operated by the drive signal of the microcomputer according to the washing stroke, and fixed to the outer tank (2) to resupply into the washing tank (9) or A hose connecting member 10 for selectively forming a water channel for draining to the outside of the main body 1, and is installed on the motor shaft 11 of the drain motor 3 and reciprocated by driving of the drain motor 3 It is installed on the drain valve 12 and the shaft 13 of the drain valve 12 to perform a linear movement and the hose connecting member according to the forward and backward of the drain valve 12 during washing and rinsing, and drainage and dehydration, respectively ( 10) A water supply and drainage device for a washing machine composed of a channel switching member 14 for closing an internal drain hose 6 or a water supply hose 8 side.

Description

Water supply and drainage of the washing machine

1 is a longitudinal sectional view showing a conventional forced drainage washing machine.

Figure 2 is a longitudinal sectional view showing a forced drainage washing machine according to the present invention.

3 is an enlarged view showing part A of FIG.

* Explanation of symbols for main parts of the drawings

1: body 2: outer tank

3: drainage motor 4: drainage pump

5: Pump connection hose 6: Drain hose

7: outer cover 8: resupply hose

9: washing tank 10: hose connecting member

11 motor shaft 12 drain valve

13: axis 14: channel switching member

The present invention relates to a water supply and drainage of a washing machine, and more particularly, by changing the water channel during water supply and drainage according to the washing administration by the operation of the drain pump installed in the forced drainage type washing machine to reduce the water consumption during washing It is possible to improve the washing performance.

In the conventional forced drainage type washing machine, as shown in FIGS. 1 and 2, the washing tank 9 is rotatably installed inside the outer tank 2a in the main body 1, and the washing center is washed in the lower center of the washing tank 9. And a washing blade 15 for stirring left and right during dehydration, and is installed at one side and a center of the bottom surface of the outer tub 2a and driven by a control signal of a microcomputer (not shown). A motor pulley 19 and a clutch pulley 20 are installed at each of the 17 so as to be wound around the V-belt 18, and the lower side of the main body 1 is operated at the time of drainage according to the control signal of the microcomputer. The drainage pump 4a is installed, and the drainage pump 4a has a pump connection hose 5a on one side of the lower part of the outer tank 2a and washing water in the washing tank 9 and the outer tank 2a to the outside of the main body 1, respectively. A drain hose 6a for discharging is provided.

Accordingly, the water supply starts and the water flowing into the washing tank 9 and the outer tank 2a passes through the pump connection hose 5a through the drain hole 21 in the lower portion of the outer tank 2a to the lower end side of the main body 1. Water gradually accumulates from the lower end of the installed drain pump 4a and the drain hose 6a, and water is supplied to the set water level and washing is performed after the water supply is completed. At this time, the water inside the washing tank (9) is not drained by the pressure difference, when the washing after the completion of the microcomputer generates a drive signal of the drain pump (4a) when the drain pump (4a) is driven by the washing tank (9) The internal water is drained to the outside of the main body 1 through the drain hose 6a.

However, the drain pump 4a of the conventional forced drainage type washing machine does not play any role by being operated while washing is in progress, and rather, the pump connection hose 5a from the drain hole 21 under the outer tank 2a. ) And unnecessary water until the lower end of the drainage pump 4a and the drainage hose 6a.

The present invention is to solve the above problems, it is possible to reduce the water consumption during washing by changing the water channel during the water supply and drainage according to the washing administration by the operation of the drainage pump installed in the forced drainage type washing machine. Rather, the object of the present invention is to provide a water supply and drainage system for a washing machine capable of hitting the laundry as the water is continuously circulated and dropped from the upper part of the washing tank to improve the washing performance.

In order to achieve the above object, the present invention has a drainage motor installed in an outer tank and operated by a driving signal of a microcomputer according to a washing stroke, and a water channel for being fixed to the outer tank to be resupplied into the washing tank or drained to the outside of the main body. A hose connecting member for selectively forming a water supply, a drain valve installed on the motor shaft of the drain motor and reciprocating linearly by driving the drain motor, and installed on the shaft of the drain valve, for washing, rinsing, and drainage. It is a water supply and drainage device of a washing machine composed of a channel switching member which closes the drain hose inside the hose connecting member or the resupply hose side according to the forward and backward movement of the drain valve.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 2 and 3 of the accompanying drawings.

FIG. 2 is a longitudinal sectional view showing a forced drainage washing machine according to the present invention, and FIG. 3 is an enlarged view showing part A of FIG. 2, which is located at the bottom of the tub 2 in the main body 1 in the forced drainage washing machine. Accordingly, a drainage motor 3 operated by a drive signal of the microcomputer is installed, and a pump connection hose 5 on the drainage pump 4 in the main body 1 and the outside of the main body 1 are located at one lower end of the outer tub 2. Connected to the replenishment hose 8 of the drain hose 6 and the outer cover 7 of the replenishment hose 8 or the replenishment hose 8 through the replenishment hose 8 or the drainage hose 6, or the main body 1. The hose connecting member 10 for selectively forming the channel for draining to the outside of the) is fixed.

In addition, a drain valve 12 that reciprocates linearly by the driving of the drain motor 3 is installed on the motor shaft 11 of the drain motor 3, and at the end of the shaft 13 of the drain valve 12 is washed. And a channel switching member for closing the flow path of the drain hose 6 or the resupply hose 8 inside the hose connecting member 10 according to the forward and backward movement of the drain valve 12 at the time of over rinsing and drainage and dehydration. 14) is installed and configured.

2 and 3, the present invention constituted as described above, when the forced drainage type washing machine is operated, water supply starts, and at this time, the motor shaft of the drainage motor 3 installed at the bottom of the outer tank 2 in the main body 1 The drain motor 6 in the hose connecting member 10 in which the channel switching member 14 is fixed to the lower end side of the outer tub 2 by the number of the ends of the shaft 13 of the drain valve 12 installed in the tank 11. As the flow path is closed, a water channel is formed from the drainage pump 4 to the pump connection hose 5 and the replenishment hose 8 of the outer tank cover 7.

Then, when the water supply is completed up to the set water level, the microcomputer sends a drive signal to the drain motor 3 and the drain pump 4, so that the drain pump 4 is also driven while the washing is in progress, and the outer cover along the water channel ( 7) it is dropped from the upper through the outer tank (2) and the washing tank (9) to re-water supply.

Then, when washing is completed, the microcomputer sends a driving signal to the drain motor 3 and switches to the number of the ends of the shaft 13 of the drain valve 12 installed on the motor shaft 11 of the drain motor 3. The drain valve 12 is reversed while the member 14 is closing the flow path of the drain hose 6 in the hose connecting member 10 fixed to the lower end side of the outer tub 2, and at the same time the drain valve ( The drain pump 4 as the channel switching member 14 reverses as shown in the phantom line of FIG. 3 and closes the flow path of the water supply hose 8 side in the hose connecting member 10. The water drained by the water is drained to the outside of the main body 1 through the pump connection hose 5, the hose connecting member 10 and the drain hose 6 on the drain pump (4).

Then, when drainage and dehydration are completed and water supply starts again, the drainage pump 4 is stopped and the drainage motor 3 is driven to push the drainage valve 12 forward so that the channel switching member 14 connects the hose. As the flow path of the drain hose 6 side in the member 10 is closed, the water supplied to the inside of the washing tub 9 accumulates. When the washing is started after the water supply is completed, the drain pump 4 is operated at the same time. By raising the water from the resupply hose (8) to drop from the upper through the outer tub cover (7) to circulate while hitting the laundry inside the washing tank (9) to improve the washing efficiency can improve the washing efficiency, water consumption Can be saved.

On the other hand, at the end of the shaft 13 of the drain valve 12, the drain hose 6 or ash inside the hose connecting member 10 according to the forward and backward movement of the drain valve 12 during washing and rinsing and drainage and dehydration, respectively. Since the channel switching member 14 for closing the flow path of the water supply hose 8 is installed, it is possible to obtain a perfect waterproof effect at the same time as the direction of the channel can be secured at the same time.

As described above, the present invention is to change the water channel of the water supply and drainage in accordance with the washing administration by the operation of the drainage pump (4) installed in the forced drainage type washing machine to raise the water in the lower part of the washing tank (9) when washing the washing tank It is a very useful design with many advantages, such as being able to hit the laundry by dropping from the top of (9), thereby increasing the washing performance and reducing the consumption of water.

Claims (2)

A drainage motor installed in the outer tub and operated by a driving signal of the microcomputer according to the washing stroke, and a hose connection member fixed to the outer tub to selectively form a channel for resupply into the washing tub or drain out of the main body; And a drain valve installed on the motor shaft of the drain motor for reciprocating linear motion by driving the drain motor, and installed on the shaft of the drain valve to wash and rinse and drain and dehydrate the drain valve. The water supply and drainage of the washing machine, characterized in that consisting of a channel switching member for closing the drain hose in the hose connecting member or the re-supply hose side. The water supply and drainage of the washing machine according to claim 1, wherein the hose connecting member is fixed to one side of the lower end of the outer tub, and is connected to a pump connection hose on the drain pump in the main body, a drain hose outside the main body, and a resupply hose of the outer tub cover, respectively.