KR19990054039A - Water supply of washing machine - Google Patents

Abstract

The present invention relates to a water supply device for a washing machine, the object of which is to provide a magnetic material on the outside of the water supply pipe to filter iron and magnesium contained in the wash water supplied to the inside of the tank and to soften the wash water To provide a device.

The present invention comprises a magnetic material provided as a softening means to filter the iron and magnesium contained in the wash water moved to the inside of the washing machine and to soften the wash water. It can filter out foreign substances such as iron and magnesium, and the washing power of the washing machine is improved by softening the wash water and lowering the hardness. This can reduce the excessive use of the detergent has the advantage of reducing the environmental pollution caused by the detergent.

Description

Water supply of washing machine

The present invention relates to a water supply device for a washing machine, and more particularly, to a water supply device for a washing machine for providing a magnetic material to the outside of the water supply pipe to filter iron, magnesium, and the like contained in the wash water and to soften the wash water.

In general, the washing machine is programmed to control the washing, rinsing, draining, and dehydration in advance to the microcomputer in the control unit, and the program can be selectively controlled by the user so that the laundry is automatically washed.

Such a conventional washing machine will be described with reference to FIGS. 1 and 2 as follows. As shown in this, the housing 10 which forms the exterior of a washing machine is provided. The housing 10 is formed in a rectangular box by bending an anti-corrosion coated metal plate, and is provided with an upper cover 30 covering the upper side thereof. The upper cover 30 is a plastic injection molding, the front of the upper cover 30 is provided with a control unit (not shown) for adjusting the operation of the washing machine, the center of the upper cover 30 to the inside of the housing 10 A lid 32 for opening and closing the laundry to be taken out is engaged as a hinge. And a water supply pipe 51 is installed in the upper rear, the water supply pipe 51 is coupled to the water supply hose not shown serves to guide water into the inside of the water tank (11) to receive the wash water from the outside. And the inside of the housing 10 is provided with a water tank (11) filled with washing water. The water tank 11 is provided in the form of a circular tube with an upper side opened, and is provided by a suspension device 14 connecting four places on the inner upper side of the housing 10 and four places on the lower outer side of the water tank 11. 10 is installed hanging. One end of the suspension rod 14a, which is provided with steel wire, is fixed to four inner corners of the housing 10, and the other end of the suspension device 14 absorbs vibrations generated from the water tank 11 during washing and dehydration of the washing machine. It is provided with a damper 15 so as to be installed in the four outer sides of the water tank (11).

The inside of the water tank 11 is opened in the upper side and the tubular laundry tank 12 provided with a plurality of dehydration holes on the side is rotatably installed. In the center of the washing tank 12, a pulsator 13 having a circular plate-shaped protrusion is provided on the upper side so as to form the washing water flow, and the motor 17 which rotates forward and backward on the bottom of the water tank 11 and the washing tank 12. The driving unit 16 is provided.

The driving unit 16 includes a motor 18 and a clutch 18 for selectively transmitting the driving force of the motor 17 to the pulsator 13 and the washing tank 12, which are installed at one side of the bottom surface of the water tank 11, and the motor ( It is provided as the belt 19 and the pulleys 17a and 18a provided below the clutch 18 and the clutch 18 to dynamically connect the motor 17 and the clutch 18. The driving unit 16 performs the washing stroke by rotating the pulsator 13 forward and reverse at the washing stroke, and after the washing stroke is completed, the washing tank 12 is rotated at high speed to perform the dehydrating stroke.

Meanwhile, the water supply pipe 51 provided at the rear of the upper cover 30 is a part of the water supply device 50 provided in the upper cover 30, and the water supply pipe (34) is provided by the water supply cover 34 provided at the rear of the upper cover 30. Only 51) is intended to be seen from the outside. The water supply device 50 has two water supply pipes 51 protruding out of the upper cover 30 and a solenoid valve 52 provided inside the upper cover 30 to control washing water flowing into the water supply pipe 51. And it is provided with a connecting pipe 53 for supplying the wash water to the detergent container 60 is provided to the lower side. In addition, a drain hose 20 for discharging the wash water in the tank 11 to the outside of the tank 11 extends to the outside of the housing 10 via the drain valve 21 to operate the washing machine. It is to carry out water supply and drainage.

Referring to the operation of the conventional washing machine configured as described above are as follows. First, after the laundry is put into the washing tank 12, when power is applied, the microcomputer (not shown) sends an electrical signal to the solenoid valve 52 to open the solenoid valve 52. At this time, the wash water flows into the detergent container 60 installed at the lower end of the connection pipe 53 through the water supply pipe 51 and the connection pipe 53 from the external tap water (not shown) and contains the detergent provided in the detergent container 60. Is supplied into the water tank (11). When an appropriate amount of washing water is supplied, power is applied to the motor 17 so that the motor 17 rotates the pulsator 13 forward and backward to wash the laundry. Dehydration is to discharge the washing water of the water tank 11 through the drain hose 20, the motor 17 rotates the washing tank 12 to perform dehydration.

In the conventional washing machine, washing of laundry is performed by the washing of the laundry and the washing tank 12 by the forward and reverse rotation of the pulsator 13 and the washing power of the detergent. Indicates. That is, in the wash water with low hardness of the wash water, the washing power is high, and the washing power with high hardness is low.

However, since the conventional washing machine does not have a separate water supply device for lowering the hardness of the wash water, the washing power of the detergent is lowered by using tap water (hardness of about 40-70 ppm) or ground water (hardness of about 100 ppm) for washing without water softening. There was a problem of poor washing of the laundry. In addition, by using the wash water in the state that iron and magnesium contained in the wash water is not removed, the degree of washing of the laundry is poor, there is a problem that the iron and magnesium is fixed to the laundry to deform the laundry material. In order to solve such a problem, a lot of detergents are used, which causes overuse of detergents and environmental pollution.

The present invention is to solve such a problem, an object of the present invention is to provide a magnetic material on the outside of the water supply pipe to filter iron and magnesium contained in the wash water supplied to the inside of the tank to soften the wash water It is to provide a water supply of the washing machine.

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

Figure 2 is a perspective view showing a conventional water supply device.

3 is a side cross-sectional view schematically showing a washing machine according to the present invention.

Figure 4 is a perspective view showing a water supply device according to the present invention.

Explanation of symbols on the main parts of the drawings

110: housing 130: top cover

134: water supply cover 150: water supply device

151: water supply pipe 152: solenoid valve

153: connector 170: seating portion

180: magnetic material 181: opening

The present invention is to achieve the above object, the water supply apparatus of the washing machine according to the present invention, the housing of the washing machine, the water tank provided in the housing for fresh water, provided on one side of the housing and the washing water from the outside A water supply device for a washing machine having a water supply device having a water supply pipe receiving a supply pipe and a connection pipe for supplying the wash water supplied through the water supply pipe into the water tank, wherein the water supply device is included in the washing water moved into the water supply device. It is characterized in that the softening means is provided to filter the iron and magnesium to soften the wash water.

On the other hand, the softening means is characterized in that the magnetic body is installed on the outside of the water supply pipe.

In addition, the magnetic body is characterized in that the hollow tube is in close contact with the outside of the water supply pipe.

In addition, the magnetic material is a flexible material so as to have an elastic force, an opening is provided on one side, and the opening is expanded and installed in the water supply pipe.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the water supply device of the washing machine according to the present invention.

Figure 3 is a side cross-sectional view schematically showing a washing machine according to the present invention, Figure 4 is a perspective view showing a water supply device according to the present invention. As shown in the figure, the housing 110 is formed in a rectangular box in which a rust-prevented coated metal plate is bent, and an upper cover 130 is provided as a plastic injection molding to cover the housing 110. The front of the upper cover 130 is provided with a control unit (not shown) for adjusting the operation of the washing machine, the center of the upper cover 130 is a lid 132 for opening and closing the interior of the housing 110 to enter the laundry It is combined as a hinge. In addition, a water supply cover 134 is provided at an upper rear side, and the water supply cover 134 protrudes the water supply pipe 151 for supplying hot water and cold water to the outside. The water supply pipe 151 is connected to the water hose not shown serves to guide the water supplied to the inside of the water tank 111 from the outside.

The inside of the housing 110 is provided with a water tank 111 in which washing water is filled. The water tank 111 is provided in the form of a circular tube with an upper side opened, and the housing by the suspension device 114 connecting the four places of the inner upper side of the housing 110 and the four places of the lower outer side of the water tank 111. Hanging on the 110 is installed. The suspension device 114 is fixed to four inner edges of the housing 110 of one end of the suspension rod 114a, which is provided with iron wires, and the other end absorbs vibration generated from the water tank 111 during washing and dehydration administration of the washing machine. It is provided with a damper 115 so as to be installed on the four outer sides of the water tank (111).

The inside of the water tank 111, the upper side is opened, and the tubular washing tank 112 provided with a plurality of dehydration holes on the side is rotatably installed. In the center of the washing tank 112, a pulsator 113 having a circular plate-shaped protrusion is provided on the upper side so as to form a washing water flow, and the motor 117 which is reversely rotated at the bottom of the water tank 111 and the washing tank 112. The driving unit 116 is provided.

The driving unit 116 is a clutch 118 for selectively transmitting the driving force of the motor 117 and the motor 117 installed on one side of the bottom surface of the water tank 111 to the pulsator 113 and the washing tank 112, and the motor ( 117 and the lower side of the clutch 118 is provided as a pulley (117a, 118a) and the belt 119 to dynamically connect the motor 117 and the clutch 118. The driving unit 116 performs the washing stroke by rotating the pulsator 113 forward and reverse during the washing stroke, and after the washing stroke is completed, the washing tank 112 is rotated at a high speed to perform the dehydrating stroke.

Meanwhile, the water supply pipe 151 provided at the rear of the upper cover 130 extends downward as part of the water supply device 150 provided at the lower side of the water supply cover 134, and the water supply device 150 is the upper cover 130. Two water supply pipes 151 protruding to the outside of the upper cover 130 is provided in the interior of the solenoid valve 152 for controlling the wash water flowing into the water supply pipe 151, and washing with a detergent container 160 provided to the lower side It is provided with a connecting pipe 153 for supplying water. In addition, a drain hose 120 for discharging the washing water in the tank 111 to the outside of the tank 111 is installed to extend to the outside of the housing 110 via the drain valve 121 to operate the washing machine. It is to carry out water supply and drainage.

In addition, the water softening means which is a characteristic component of the present invention is installed outside the water supply pipe 151. The water softening means filters the iron and magnesium contained in the wash water and softens the wash water to be installed on the outside of the water supply pipe 151 as a magnetic material 180 which is provided to lower the hardness of the wash water. It is provided in a cylindrical shape so that one side surface is formed with an opening 181 for communicating the inside and the outside in the radial direction, it is provided as a flexible material to have an elastic force. The magnetic body 180 is in close contact with the water supply cover 134 covering the water supply unit 150, the lower side is in close contact with the seating portion 170 provided to protrude forward and backward on the outer lower portion of the water supply pipe 151. The diameter of the hollow portion of the inside is to be prepared a little smaller than the diameter of the water supply pipe 151. As a result, when the opening 181 provided on one side is expanded to be coupled to the water supply pipe 151, it is in close contact with the outside of the water supply pipe 151 due to the elastic force of the material.

Referring to the operation of the washing machine configured as described above is as follows. First, after the laundry is put into the washing tank 112, when power is applied, the microcomputer (not shown) sends an electrical signal to the solenoid valve 152 to open the solenoid valve 152. At this time, the wash water flows into the detergent container 160 installed at the lower end of the connection pipe 153 through the water supply pipe 151 and the connection pipe 153 from the external water tap (not shown), and contains detergent provided in the detergent container 160. Is supplied into the water tank (111). At this time, the wash water passing through the water supply pipe 151 is filtered by the magnetic body 180 installed in the outside, iron and magnesium contained therein to the inner wall provided with the magnetic body 180, which is fixed to the inner wall. In addition, the wash water passing through the magnetic body 180 is softened by the magnetic body 180.

In detail, "the magnetic field of the magnetic body 180 is a flow of negative ions, so if two positive ions in the magnetic field are directly administered to the cation that is ionically bound to the water molecule, the cations will be combined with and neutralized with the negative ions to induce the magnetic body (180). Can be used to separate calcium ions from water molecules. ”The magnetic field is provided as a magnetic body 180 on the outside of the water supply pipe 151 through which the wash water passes, and the ions and molecules passing therethrough. Since the anodic motion of is disturbed, the bonds and ionic bonds between the molecules are weakened and the hydration of ions is also changed to form new ions. In other words, the structure of the fluid in the washing process is constantly changing from one structure to another structure, so that the molecules move around freely, so after a series of changes by the magnetic band, the molecules close to each other are separated from each other. The hardness of becomes low. As such, in the water tank 111 supplied with the reduced water hardness, the pulsator 113 rotates forward and backward to wash the laundry. After the washing process is performed, the washing water in the water tank 111 is drained from the hose 120. After being discharged through), the motor 117 rotates the washing tub 112 to perform dehydration. And when using for a long time to remove the water supply hose (not shown) coupled to the water supply pipe 151, foreign substances filtered by the magnetic body 180 by the user to clean the iron and magnesium fixed matter fixed to the inside of the water supply pipe 151. Will be removed.

As described in detail above, the water supply device of the washing machine according to the present invention can filter foreign substances such as iron and magnesium contained in the wash water by installing a magnetic material on the outside of the water supply pipe, and by lowering the hardness by softening the wash water The washing power of the washing machine is improved. This can reduce the excessive use of the detergent has the advantage of reducing the environmental pollution caused by the detergent.

Claims (4)

Housing of the washing machine, a water tank provided in the housing for desalination of the wash water, a water supply pipe provided on one side of the housing and receiving the washing water from the outside and a connection for supplying the washing water supplied through the water pipe to the inside of the tank In the water supply of the washing machine having a water supply with a pipe, The water supply device of the washing machine characterized in that the softening means is provided to filter the iron and magnesium contained in the wash water moved into the water supply to soften the wash water. The water supply apparatus for a washing machine according to claim 1, wherein the water softening means is a magnetic material installed outside the water supply pipe. The water supply apparatus of claim 2, wherein the magnetic material is provided as a hollow circular tube and is in close contact with the outside of the water supply pipe. The water supply apparatus of claim 3, wherein the magnetic material is a soft material so as to have an elastic force, and an opening is provided at one side thereof, and the opening is expanded and installed in the water supply pipe.