KR100479094B1 - A washing machine - Google Patents

Abstract

The present invention relates to a washing machine that can prevent foreign matter from flowing into the drainage mechanism of the drain valve or the drainage pump to prevent breakage of the drainage mechanism, and the water can be drained smoothly.

Washing machine according to the present invention is a washing tank which is supported in the case and the laundry is accommodated and the drain is formed in the lower portion; A drainage mechanism connected to the drainage hole by a drain hose to drain water to the outside; It is configured to include a foreign material input prevention ribs formed around the drain port so that the foreign material that can be injected into the drain port, the foreign material such as coins or buttons are caught in the foreign material input prevention ribs, so that the foreign material does not flow into the drain. When foreign matter such as a button flows into the drain valve or the drain pump through the drain, there is an advantage of preventing damage to the drain valve or the drain pump.

Description

Washing machine {A washing machine}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine for washing laundry, and more particularly, to a washing machine that can prevent foreign substances such as coins in a washing tank from being introduced into a drain pump or a drain motor to block or damage the drain pump or the drain motor.

In general, a washing machine is a machine that removes stains on clothes, bedding, etc. by providing a mechanical action using electricity.When the washing machine is put on laundry, it is removed from the fibers by the chemical action of the detergent. Since it takes a long time, if the water flow is forcibly generated and mechanical action such as friction or vibration can be removed quickly and easily.

The washing machine can be roughly divided into a two-chamber washing machine, a full-automatic washing machine and a drum washing machine, and the two breakfast washing machines are provided with a washing tank for washing and rinsing, and a dehydrating tank for dehydrating left and right in the case. Each of the tanks is driven by a separate drive motor to wash and rinse in the washing tank and then move to the dehydration tank to dehydrate the laundry.

On the other hand, the automatic washing machine is rotatably installed in the inner tank to accommodate the laundry inside the water tank, the inner tank and the outer tank is open to the upper surface of the washing machine to enter the laundry, the inside of the inner tank of the laundry Washing, rinsing and dehydration are performed in turn.

The drum washing machine is rotatably installed in a drum in which water to be washed is housed inside a tub where water is fresh, the front of the drum and the tub are opened, and the laundry is introduced from the front of the washing machine. It is connected to the horizontal axis of rotation of a fixed motor, and the washing, rinsing, and dehydration of the laundry are sequentially performed.

On the other hand, such washing machines are provided with any one of a drain valve or a drain pump connected to the washing tank and the dehydration tank, the outer tank, and each of the tub and the drain hose, and are connected to the drain valve or the drain pump to wash and rinse outside of the washing machine. Equipped with a drain hose to drain the water used in the and the dehydrated water from the laundry.

However, the washing machine according to the prior art often puts a coin or other hard object into the bag of the laundry to drive the washing machine, or the buttons of the laundry are often dropped. Such coins or buttons are used for washing and dehydrating tanks, outer tubs, tubs Through the drains formed in each of the drain valve or the drain pump may be introduced into the damage to the drain valve or the drain pump, there is a problem that prevents the drain of the washing machine by blocking the drain flow path of the drain valve or the drain pump.

The present invention has been made in order to solve the above problems of the prior art, it is possible to prevent the foreign body flow into the drain mechanism of the drain valve or drain pump to prevent damage of the drain mechanism, the water can be smoothly drained, It is an object of the present invention to provide a washing machine in which foreign matters are stored in a specific position inside a washing tank to conveniently take out foreign materials after use of a washing machine.

Washing machine according to the present invention for solving the above problems is the laundry tank is supported in the case is accommodated laundry and the drain is formed in the lower; A foreign material storage groove formed in a concave shape so that foreign matter can be stored in the peripheral portion of the drain hole; It is characterized in that the lower end is located in the foreign material storage groove so that the foreign material that can be introduced into the drain hole is included, and configured to include a foreign material injection prevention rib protruding toward the upper periphery of the drain hole.

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

1 is an internal configuration of a washing machine according to an embodiment of the present invention.

As shown in FIG. 1, the washing machine according to the present embodiment forms an outer appearance of the washing machine, and a case 2 in which a washing cover 1a and a dehydration cover 1b are opened and closed on an upper surface thereof, and the washing cover ( The washing tank 10 is supported in the case 2 to be positioned below the 1a), and the laundry is received and washed and rinsed, and a drainage port 11 is formed at one lower side thereof, and is installed at the bottom of the washing tank 10. A pulsator 12 for rotating water flow in the washing tank 10, a washing motor 14 and a power transmission means 15 for rotationally driving the pulsator 12, and a lower side of the dewatering cover 1b. A dehydration tank 20 supported by the case 2 and having a drain hole 21 formed at a lower side thereof, rotatably disposed inside the dehydration tank 20, and a dehydration hole 24a formed at a side thereof. The basket 24 in which the laundry to be dehydrated is accommodated, and the basket 24 are rotated. It is connected to the dehydration motor 26, the drain port 11 of the washing tank 10 and the first drain hose 32, the drain port 21 and the second drain hose 36 of the dewatering tub 20 Is connected to the drain valve 30 for regulating the drainage of water drained from the washing tank 10 or the dehydration tank 20, and one end is connected to the drain valve 30 and the other end is disposed outside the case (2) It includes a third drain hose 40 for guiding the water passing through the drain valve 30 to the outside of the case (2).

In addition, the upper part of the case 2, the driving operation unit 3a for driving operation of the washing machine, the driving display unit 3b for displaying the operating state of the washing machine, the washing motor 14 and the dehydration motor 26 and A control panel 3 having a control unit (not shown) for controlling the drain valve 30 is mounted.

In addition, the washing tub 10 has a concave foreign material storage groove 70 is formed so that a hard object such as a coin or a button can be stored in the periphery of the drain 11, the coin can be injected into the drain 11 Or a foreign material input preventing rib 60 protrudes around the drain hole 11 to prevent the button or the like from being caught to the drain valve 30 through the first drain hose 32.

Here, the drain valve 30 has an inlet portion connected to each of the first drain hose 32 and the second drain hose 36 and an outlet portion to which the third drain hose 40 is connected. A valve body having a hole formed therein to allow the outlet portion to communicate therewith, a valve body embedded in the valve body to open or close the outlet portion, and a spring installed between the valve body and the body to provide elastic force to the valve body; It is configured by.

2 is a partially cutaway perspective view of a washing tub of the washing machine according to the present invention.

As shown in FIG. 2, the laundry tub 10 has a laundry access hole 10a formed on an upper surface of the laundry tank 10 so as to allow the laundry to enter and exit from above, and has a cylindrical shape in which a lower surface of the laundry tank 10 is accommodated therein. Is formed, the foreign material storage groove 70 and the foreign material input preventing rib 60 is formed on one side of the bottom surface.

The foreign material input preventing rib 60 is protruded by the height of the foreign material storage groove 70 so that the lower end is located at the bottom of the foreign material storage groove 70 and the top is horizontal with the bottom surface 10b of the washing tank 10. .

In addition, the foreign material input prevention rib 60 is formed with a water extraction groove 62 so that the water in the foreign material storage groove 70 can be drained to the drain.

Here, the water drain groove 62 is a vertical groove opened in the vertical direction from the upper end to the lower end of the foreign material input prevention rib 60, foreign matters such as coins (A) or buttons in the foreign material storage groove 70 The width is narrow so as not to escape through the water drain groove (62).

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

When the laundry is put in the washing tank 10 and the washing lid 1a is closed, washing and rinsing the laundry are performed. The washing motor 14 is driven, and the power transmission means 15 is the pulsator. (10) is rotated, the water contained in the washing tank 10 to remove the dirt on the laundry and the like while forming a rotary water flow.

At this time, some of the coins (A) or the buttons in the laundry to be separated from the laundry to fall to the washing tank bottom surface (10a) by its own weight or is placed in the foreign matter storage groove (70). Foreign matters such as coins (A) or buttons placed in the foreign material storage groove 70 is caught in the foreign material input preventing rib 60, so that it cannot be introduced into the drain port 11 and remains in the foreign material storage groove (70). .

Meanwhile, the washing machine drains the water in the washing tub 10 to the outside of the washing machine after the washing stroke and the rinsing stroke, and outputs an ON signal to the drain valve 30 to open the inside of the drain valve 30. The drainage stroke is performed so that the contaminated water in the washing tank 10 by opening the drain valve 30 sequentially rotates the first drain hose 32, the drain valve 30, and the third drain hose 40. Through it is drained out of the washing machine.

At this time, foreign matters such as coins (A) or buttons stored in the foreign material storage groove 70 is swept away by the drained water and moved toward the drain port 11, but is caught on the side surface of the foreign material input preventing rib 60 and the drain hole. (11) will not escape.

On the other hand, when the laundry and the rinsed as the rinsing is put into the basket 24, the dehydration cover (1b) is closed after the operation to dehydrate the laundry, the dewatering motor 26 is driven to the basket The trough 24 is rotated at a high speed, and the water in the laundry is drained out of the basket 24 through the dehydration hole 24a and then drained through the drain hole 21 of the dehydration tank 20. At this time, the drain valve 30 is in an open state, and the dewatered water is drained to the outside of the washing machine through the second drain hose 36, the drain valve 30, and the third drain hose 40 in order. .

On the other hand, the present invention is not limited to the two-type washing machine as described above, can be applied to a fully automatic washing machine or a drum washing machine, the foreign matter storage groove 70 and the foreign material in the lower portion of the dehydration tank 20 as well as the washing tank 10. An injection preventing rib 60 may be formed, and the present invention may also be applied to a washing machine in which a drain pump for forcibly pumping water to the outside of the washing machine is installed instead of the drain valve 30 to control the drainage of water.

In the washing machine according to the present invention configured as described above, the drainage mechanism is connected to the drainage hole and the drainage hose of the washing tub so as to drain the water of the washing tub, and a coin or button which can be introduced into the drainage by protruding foreign matter preventing ribs into the washing tub. Since foreign matters are caught, there is an advantage that can prevent the drainage mechanism is damaged or blocked by such foreign matters.

In addition, the washing tank has a concave foreign matter storage groove is formed so that the foreign matter is stored in the peripheral portion of the drain port has the advantage that the foreign matter can be conveniently taken out after washing and rinsing is finished.

In addition, since the foreign material input prevention rib is formed with a water draining groove so that water can be drained to the drain, the foreign material such as coins or buttons are caught by the foreign material input prevention rib so that no residue remains on the bottom of the washing tank. There is an advantage.

In addition, the water drain groove is made of a vertical groove opened in the vertical direction from the upper end to the lower end of the foreign material injection prevention rib has the advantage of preventing foreign substances such as coins or buttons through the water drain groove.

1 is an internal configuration of a washing machine according to an embodiment of the present invention;

2 is a partially cutaway perspective view of a washing tub of the washing machine according to the present invention.

<Explanation of symbols on main parts of the drawings>

2: case 10: washing tub

11: drain 20: dehydration tank

21: drain 24: basket

30: drain valve 32: first drain hose

36: second drain hose 40: third drain hose

60: foreign object prevention rib 62: water drain groove

70: Foreign Object Storage Home A: Coin

Claims (4)

A laundry tank supported inside the case to accommodate laundry and a drain hole formed at a lower portion thereof; A foreign material storage groove formed in a concave shape so that foreign matter can be stored in the peripheral portion of the drain hole; Washing machine, characterized in that the lower end is located in the foreign material storage groove so that the foreign material that can be injected into the drain hole is included, and the foreign material input prevention ribs protruding toward the upper periphery of the drain hole. The method of claim 1, The foreign material input preventing rib is a washing machine, characterized in that the water extraction groove is formed so that water can be drained to the drain. The method of claim 2, The foreign material input preventing rib is protruded by the height of the foreign material storage groove so that the top is horizontal with the bottom surface of the washing tank. The method of claim 2, The water draining groove is a washing machine, characterized in that the vertical groove opened in the vertical direction from the upper end to the lower end of the foreign material input prevention rib.