KR0127728Y1 - Washing machine with a over flow preventing switch - Google Patents

Abstract

The present invention relates to a water overflow switch for preventing the washing water supplied to the washing machine from overflowing to the top of the water tank, and in particular, attaching a knitting machine between the water tank and the washing tank, and connecting the button of the micro switch to the top of the knitting When the water level of the washing water is increased and the knitting rises, the microswitch operates to close the water supply valve, thereby preventing the overflow water switch that serves to prevent the washing water from overflowing.

Washing machine equipped with a water overflow switch of the present invention is a water storage tank (1) in which washing water is stored, a washing tank (2) used for dewatering laundry, a pulsator (3) for forming water flow, a pulsator (3) and a washing tank In a conventional washing machine having a water supply structure composed of an electric motor (4) for rotating (2) and an air pressure chamber (5), a pressure switch (7), an air hose (6), a water supply valve (9), etc. The micro switch 11 is attached to the upper plate, and a knitting 10 having integrally formed a working rod 12 is installed between the water storage tank 1 and the washing tank 2, and the micro switch 11 supplies a water supply valve. Characterized in that the water supply valve 9 and the micro switch 11 is connected in series so as to interrupt the power supplied to the (9).

Description

Washing machine with overflow switch

1 is a cross-sectional view schematically showing a one-piece washing machine having a conventional pressure switch mounting structure.

2 is a configuration diagram schematically showing a configuration of a conventional pressure switch and a circuit connected thereto.

3 is a cross-sectional view schematically showing a one-piece washing machine equipped with a water overflow switch according to the present invention.

Figure 4 is a schematic diagram showing the configuration of the water overflow prevention switch and the conventional pressure switch and the circuit connected thereto of the present invention.

* Explanation of symbols for main parts of the drawings

1: water storage tank 2: washing tank

3: pulsator 4: vibration motor

5: Air pressure chamber 6: Air hose

7: pressure switch 8: diaphragm

9: water supply valve 10: knitting

11 micro switch 12 operating rod

13: button

The present invention relates to a water overflow prevention switch for preventing the washing water supplied to the washing machine from overflowing to the top of the water tank. In particular, a knit is installed between the water tank and the washing tank, and the button of the micro switch is connected to the top of the knitting tank to wash the knitting. When the water level is increased and the knitting rises, the microswitch is operated to close the water supply valve, thereby preventing the overflow water switch that serves to prevent the wash water from overflowing.

Commercially available washing machines can be roughly classified into vortex washing machines, agitated washing machines and drum washing machines according to their washing methods.

When the washing machine called the agitator, which is built in the center of the washing machine, rotates regularly, the stirring blade formed on the side of the washing machine forms a stream of water, which causes the laundry to rub against the wall of the laundry rod and the washing tank. This is how it is washed.

The washing machine is less damaging to the cloth than the vortex washing machine, the laundry is not tangled well, the washing capacity is large, but the power consumption is not only high, but also suitable for washing bulky laundry due to the laundry rod formed in the center of the washing tank Not

Vortex washing machine is one of the most widely used method of rotating the laundry by rotating the pulsator is rotatably mounted on the lower end of the washing tank to generate a swirl-like water flow.

In addition, the drum washing machine horizontally mounts a cylindrical drum in which a plurality of water holes are formed in the water tank, and rotates it, thereby pulling the laundry up into the upper space in the drum by dropping by gravity, and then falling downward by gravity. It is a washing machine that is configured to be washed by the impact between laundry and washing water and the decomposition of detergent, and is suitable for large-capacity washing, so it is used for a business such as a laundry rather than a home.

In particular, the washing machine for home use is widely used vortex type washing machine for washing by rotating the pulsator to form a water flow, which will be described in more detail as follows.

One of the most widely used methods, the vortex washer is divided into a tank and a dewatering tank in which a washing tank and a pulsator are installed in one reservoir, and a pulsator in the washing tank and a dehydrating rod in the dehydrating tank. It can be classified into two tank type washing machine mounted.

1 is a cross-sectional view schematically showing a conventional one-type washing machine.

As shown, the one-type washing machine is rotatably mounted in the water tank (1) for storing the water for washing, the water tank (1) and a plurality of water holes are formed on the wall to remove water from the laundry after washing Washing tank (2), which is also rotatably mounted in the center of the washing tank (2), the pulsator (3) to form a heart-shaped vortex by stirring the wash water is formed a plurality of wings to form a water flow on the upper surface ), An electric motor (4) for providing rotational force to the washing tank (2) and the pulsator (3), a reduction gear assembly for converting the rotational force of the electric motor (4) to a low or high speed, to the electric motor (4) It consists of electric parts for controlling electricity supplied, supply and drainage equipment for supplying or discharging washing water, and an upper plate mounted with a control panel for controlling all operations of the washing machine. And it wrapped around protected.

In the washing machine configured as described above, the water supply control structure for controlling the amount of washing water supplied to the water storage tank (1) is the air pressure chamber (5) formed at the bottom of the water storage tank (1), as shown in FIG. It consists of a pressure switch 7 operated by pressure and an air hose 6 connecting the air pressure chamber 5 and the pressure switch 7.

2 schematically shows the configuration of the pressure switch 7 and a circuit connected thereto.

The pressure switch 7 is fluidly connected to the air pressure chamber 5 by an air hose 6 so that the diaphragm 8 is connected to the air pressure by a diaphragm 8 in the pressure switch 7. It is configured to interrupt the electrical contact by a switch mechanically connected to the upper end of the diaphragm 8 by raising (expansion) or lowering (contraction) of the, and to adjust the operating reliability of the pressure switch 7 according to the air pressure. An adjustment switch is installed to adjust the spring force.

The pressure switch 7 operates according to the compression of the air in the air pressure chamber 8 by the washing water supplied to the water storage tank 1, and is configured to perform a function of intermittent electrical connection. It can control the electric motor 10 and the water supply valve 11 which can be controlled.

The water supply valve 11 has been widely used as a solenoid type water supply valve 11 is commercially provided, and the supply of electricity is required to operate the water supply valve 11. Such a conventional water supply valve 11 is provided commercially and can be easily understood by those skilled in the art, and can also be purchased and used.

In the water supply control structure of the washing machine configured as described above, the air hose 6 connecting between the pressure switch 7 and the air pressure chamber 5 is sealed so that the outside air does not flow in or the inside air does not flow out. Although the air pressure of the pressure chamber 5 can be effectively transmitted to the pressure switch 7, if the hole is drilled in the air hose 6, the pressure switch 7 does not operate and the water supply valve 9 does not close, so the washing water is There was a problem overflowing to the top of the reservoir (1).

Therefore, the present invention is designed to solve the problems caused by the conventional water supply control structure of the washing machine, and is operated by a floating float according to the water level supplied to the reservoir, thereby closing the water supply valve, thereby supplying the washing water supplied to the reservoir. It is an object of the present invention to provide a washing machine equipped with a water overflow preventing switch which stops and prevents washing water from overflowing to the top of the reservoir.

The present invention having such a purpose is to attach a knitting rod formed on the top between the reservoir and the washing tank, and to attach the microswitch to the top plate so that the button is located at the end of the operating rod.

In addition, the present invention is to connect the micro switch in series with the pressure switch and the water supply valve.

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

As shown in FIG. 3, a washing machine equipped with a water overflow switch according to the present invention includes a water storage tank (1) in which washing water is stored, a washing tank (2) used for dewatering laundry, and a pulsator for forming water flow ( 3), a water supply consisting of an electric motor (4) for rotating the pulsator (3) and the washing tank (2), an air pressure chamber (5), a pressure switch (7), an air hose (6), a water supply valve (9), and the like In the conventional washing machine having a structure, the micro switch 11 is attached to the upper plate of the washing machine, and the knitting 10 having the operating rod 12 integrally formed between the water storage tank 1 and the washing tank 2 is mounted. In addition, the micro switch 11 is characterized in that it is configured by connecting the water supply valve 9 and the micro switch 11 in series so as to interrupt the power supplied to the water supply valve (9).

The microswitch 11 is a small switch that is easily operated even when a small shock is applied to the button, and can interrupt a large current. Such a microswitch 11 is commercially provided and is commonly used in the art. It can be easily understood by those who have knowledge of, and can also buy and use it.

As shown in FIG. 4, the micro switch 11 is connected in series with the water supply valve 9 between the water supply valve 9 and the pressure switch 7, and an air hose connected to the pressure switch 7 6) or even if the air pressure chamber 5 is damaged and the pressure corresponding to the water level of the washing water supplied to the water reservoir 1 is not transmitted to the pressure switch 7, the washing water is not operated. (1) When the supply is close to the upper end, the button 13 of the micro switch 11 is operated by the knitting 10 to cut off the electricity supplied to the water supply valve 9, thereby closing the water supply valve 9 Water supply is interrupted so that the washing water does not overflow to the top of the reservoir (1).

The knitting 10 is a buoyancy body having a high buoyancy and is mounted between the water storage tank 1 and the washing tank 2, and presses the button 13 of the micro switch 11 to operate the micro switch 11 at the upper end thereof. The operating rod 12 is formed integrally with the float 10.

Based on the above-described configuration and description will be described in detail with reference to the drawings the operation according to an embodiment of the present invention.

Washing machine equipped with a water overflow switch according to the present invention as described above is operated after setting the appropriate level of the amount of laundry to the water level control switch (not shown) attached to the operation panel when supplying the washing water for washing When the button is pressed, the supply of washing water is started. When the washing water is supplied, the air pressure chamber 5 or the air hose 6 formed at the bottom of the water reservoir 1 is damaged and the water level of the washing water supplied to the water storage tank 1 is damaged. When the pressure of the air chamber 5 is not transmitted to the pressure switch 7 so that the pressure switch 7 is not operated, the knitting 10 is raised when the washing water is supplied to the top of the water tank 1. The operating rod 120 protruding from the upper surface of the knit 10 presses the button 13 of the micro switch 11 mounted on the upper plate, and when the button 13 is pressed, electricity supplied to the water supply valve 9 is cut off. Water supply valve (9) is closed That were interrupted water supply of the washing water is not spilling over the top of the washing water storage tank (1).

In the present specification, a one-chamber washing machine is described as an embodiment, but it is obvious to those skilled in the art that the present invention may be applied to other washing machines configured to control the water level using a pressure switch.

Although the present invention has been described in detail only with respect to the above-described embodiments, it is obvious to those skilled in the art that the present invention can be changed or modified within the spirit and scope of the present invention. It should be limited by the claims.

Claims (1)

Water supply consisting of reservoir (1), washing tank (2), pulsator (3), vibration motor (4) and air pressure chamber (5), pressure switch (7), air hose (6), feed valve (9), etc. In the conventional washing machine having a structure, the micro switch 11 is attached to the upper plate of the washing machine, and the knitting 10 having the operating rod 12 integrally formed between the water storage tank 1 and the washing tank 2 is mounted. Washing machine equipped with a water overflow preventing switch, characterized in that the micro switch 11 is configured by connecting the water supply valve 9 and the micro switch 11 in series so as to intercept the power supplied to the water supply valve (9) .