KR0131278Y1 - A washing machine with drying function - Google Patents

Abstract

The present invention relates to a combined dry washing machine, the purpose of which is to minimize the remaining water during the drainage to improve the drainage efficiency and at the same time to prevent the maximum hot air drying.

Drying combined washing machine according to the present invention, the washing machine body and the water tank and the washing tank disposed in order from the outside, the heating means for heating the air introduced into the main body, the drain pipe provided in the water tank for the drainage of the wash water, hot air used for drying A first guide cylinder 60 protruding downward from the lower plate of the washing tank 40, a second guide cylinder 70 protruding upward from the lower plate of the water tank 30, including an exhaust pipe provided in the water tank for evacuation of the water tank; It is provided on the upper end of the second guide cylinder (70) including a packing (71) for sealing the gap between the first guide cylinder (60), and is provided at the lower end of the second guide cylinder (70) The damper 72 has a hinge pin 73 is installed on the upper end so as to open and close freely.

Description

Drying Washer

1 is an overall cross-sectional view showing a conventional dry combined use washing machine configuration.

2 is a cross-sectional view of the dry combined-use washing machine according to the present invention at the time of dehydration and drainage administration.

3 is a cross-sectional view of the drying combined-use washing machine according to the present invention at the time of drying administration.

Figure 4 is a perspective view of the main portion of the combined dry washing machine according to the present invention.

* Explanation of symbols for main parts of the drawings

30: water tank 30: washing tank

60: the first guide box 70: the second guide box

71: packing 72: damper

91: exhaust valve 92: exhaust motor

93: tow line 94: exhaust fan

The present invention relates to a washing machine, and more particularly, to a dry washing machine having a damper and an exhaust valve structure for improving drainage efficiency and reducing hot air loss.

Generally, as shown in FIG. 1, the washing machine is provided with the cylindrical water tank 2 and the dehydration tank 3 in which the many dehydration hole 3a was formed inside the main body 1 which forms an external appearance, The bottom of the dehydration tank (3) is equipped with a pulsator (4) for performing the stirring function, the lower portion of the water tank (2) is equipped with a drive unit (5) for driving the dehydration tank (3) and the pulsator (4) It is composed. The main body cover 1a and the water tank cover 2a are installed on the upper surface of the main body 1 and the upper surface of the water tank 2, respectively, between the main body cover 1a and the water tank cover 2a, and into the dehydration tank 30. A hot air supply pipe 6 for supplying hot air is provided, and a heater 7 is installed in the hot air supply pipe 6.

In addition, the one side and the other side of the lower surface of the water tank (2) is provided with a drain hose (8) and hot air discharge pipe (9), the upper end is in communication with the inside of the water tank (2). A partition 10 is installed between the lower surface of the water tank 1 and the lower surface of the dewatering tank 3, and the drain hose 8 is branched to communicate the upper end with the inner and outer sides of the partition 10, respectively. Drain valves 11 and 11 'are respectively installed in the valves. In addition, an exhaust valve 12 is installed at an upper end of the hot air discharge pipe 9, and a blower 13 is installed in the middle thereof.

Referring to the operation of the conventional dry washing machine configured as described above are as follows. In the washing stroke, the pulsator 4 is rotated forward and backward by receiving the power of the driving unit 5, and the dehydration tank 3 rotates at high speed when dewatering. During the washing and dehydration, the exhaust valve 12 is blocked to prevent water from entering the blower 13. In addition, at the time of drainage and dehydration, the two drain valves 11 and 11 'are opened so that the washing water is discharged to the outside through the drain hose 8, and the exhaust valve 12 is closed. At the time of drying, the upper heater 7 and the lower blower 13 are operated, and hot air generated by the heater 7 is discharged to the outside through the hot air discharge pipe 9 while drying the laundry inside the dehydration tank 3. do. At this time, the two drain valves 11 and 11 'are locked and the exhaust valve 12 is open.

However, in the conventional dry combined automatic washing machine, the upper end of the drain pipe is branched to drain the water from the inside and the outside of the partition when draining, and two drain valves must be used to open and close each branch. Therefore, there is a problem that the structure is complicated and the manufacturing cost is increased by using a plurality of parts. In addition, there is a problem that the loss of the hot air during drying, as well as the partition is not made of a closed tightly, there is a problem that the water inside the partition during drainage is not drained.

Therefore, the present invention is to solve this problem, the purpose of the present invention is to minimize the water remaining inside the drainage to improve the drainage efficiency and at the same time drying drying washing machine that can prevent the loss of hot air at the maximum To provide.

Another object of the present invention is to improve the structure of the exhaust valve to provide a combined dry washing machine that can facilitate the exhaust after drying.

Still another object of the present invention is to provide a dry combined washing machine that can simplify the structure and reduce the material cost by using only one drain valve.

The present invention for achieving this purpose, the washing machine body and the water tank and the washing tank disposed in order from the outside, the heating means for heating the air introduced into the main body, the drain pipe provided in the water tank for draining the wash water, used for drying A combined washing machine capable of carrying out washing and drying, including an exhaust pipe provided in the tank for exhausting the hot air, wherein the washing water or hot air inside the washing tank is guided downward between the washing tank and the water tank. The guide means is provided, and the guide means is characterized in that the opening and closing means for opening and closing to open and close according to the water pressure or exhaust pressure is closed when drying.

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

2 and 3 are overall cross-sectional view schematically showing the configuration of a dry combined automatic washing machine according to the present invention, FIG. 2 is a state diagram at the time of dehydration and drainage administration, and FIG. 3 is a state diagram at the time of drying administration. As shown in the drawing, the water tank 30 is installed inside the washing machine body 20 forming the exterior, and the washing tank 40 is installed inside the water tank 30. Body cover 21 is hinged to the upper surface of the main body 20, the water tank cover 31 is hinged to the upper surface of the water tank 30 is installed to be opened and closed. The water tank cover 31 is provided with a heating means, for example, a heater 33, for heating the air introduced into the hot air. The upper surface of the washing tank 40 is opened and a plurality of dehydration holes 41 are formed at the side thereof, and the washing blade 42 is installed at the bottom of the washing tank 40.

A driving unit 50 for rotating the washing tank 40 and the washing blade 42 is provided below the water tank 30. The drive unit 50 includes a drive motor 51 and a transmission unit 52 which receives a rotational force from the drive motor 51 and transmits the rotational force to the rotation shaft 53, and the rotation shaft 53 has a washing blade 42 when washing. ) Is rotated forward and reverse and is combined with the washing blade 42 and the washing tank 40 to rotate the washing blade 42 and the washing tank 40 when dewatering.

Guide means for guiding the discharge of the washing water or hot air of the washing tank 40 is provided between the washing tank 40 and the lower plate of the water tank 30. In the present embodiment, the guide means includes a first guide barrel 60 protruding downward from the lower plate of the washing tub 40, a second guide cylinder 70 protruding upward from the lower plate of the water tank 30, and a second guide cylinder 70. It is provided on the upper end of the first guide cylinder 60 includes a packing 71 for sealing between. The packing 71 is preferably formed to be in line contact with the outer surface of the first guide cylinder 60. In the present embodiment, the packing 71 has a two-threaded thread shape so as to be contacted by two lines. On the other hand, the lower end of the second guide cylinder (70) is provided with a damper (72) provided with a hinge pin (73) at its upper end to open and close freely according to water pressure or exhaust pressure. This damper 72 serves as the opening and closing means in this embodiment. The structure of the first guide cylinder 60, the second guide cylinder 70, and the damper 72 will be described in more detail with reference to FIG.

The first guide cylinder 60 is formed at the top thereof with a flange 61 for coupling with the washing tank 40, the lower end is inserted into the second guide cylinder 70. A thread-shaped packing 71 is installed at the upper end of the second guide cylinder 70 so that the first guide cylinder 60 is rotated together with the washing tub 40 by linear contact with the first guide cylinder 60, thereby reducing the frictional force. To reduce it. In addition, the lower side of the second guide cylinder 70, the plate-shaped damper 72 is installed to be rotatable by the hinge pin 73, the other side is formed with an extension portion 74 of a predetermined length exhaust pipe 90 to be described later It is configured to communicate with).

On the other hand, as shown in Figures 2 and 3, the lower plate of the water tank 30 is provided with a drain pipe 80 for discharging the wash water and an exhaust pipe 90 for discharging the hot air used for drying. The drain pipe 80 is installed adjacent to the damper 72 and the exhaust pipe 90 is installed to communicate with the extension portion 74 of the second guide cylinder 70. To this end, a communication hole 32 is formed in the lower plate of the water tank 30, and an exhaust valve 91 for opening and closing the communication hole 32 is installed at an upper end of the exhaust pipe 90. The exhaust valve 91 includes a valve body 91a formed to open and close the communication hole 32 and a spring 91b for elastically supporting the valve body 91a. The valve body 91a includes a valve motor 92. A tow line 93 towed by is connected. Accordingly, as the valve motor 92 is driven during drying, the traction cord 93 is pulled by the valve motor 92 so that the communication hole 32 is opened while the valve body 91a moves downward, and when the drying stroke is completed, the spring ( The valve body 91a is raised by the elastic restoring force of 91b to block the communication hole 32. In addition, an exhaust fan 94 is installed in the middle of the exhaust pipe 90 to forcibly suck outside air into the washing machine and discharge hot air used for drying the laundry back to the outside of the washing machine. Reference numeral 81 is a drain valve provided in the drain pipe 80.

Referring to the operation of the present invention configured as described above is as follows.

At the time of washing, the washing water is supplied and filled in the water tank 30 and the washing tank 40, and the washing blade 42 receives the power of the driving motor 51 so that the washing of the laundry proceeds. At this time, the drain valve 81 and the exhaust valve 91 is in a closed state.

At the time of drainage, the drain valve 81 is opened and water accumulated in the water tank 30 is drained through the drain pipe 80. In addition, the water inside the first and second guide cylinders between the water tank 30 and the washing tank 40 is drained through the damper 72 so that almost no wash water remains. At this time, the damper 72 is automatically opened by the water pressure of the wash water.

The dehydration stroke proceeds in the same manner as a conventional washing machine. Since the first guide tube and the packing 71 are in line contact, the first guide tube rotating together with the washing tub 40 rotates smoothly. At this time, the drain valve 81 is opened and the exhaust valve 91 is closed as in the case of drainage. The arrow in FIG. 2 shows the flow of water at the time of drainage and dehydration.

As shown in FIG. 3, at the time of drying, the valve motor 92 operates to pull the tow line 93, and thus the exhaust valve 91 is opened, and at the same time, the exhaust fan 94 is operated to provide external air. Drying operation proceeds by forcibly sucking and blowing air. The sucked air is heated while passing through the heater 33 to become hot air, and drying of the laundry is performed by passing the hot air. The wet air containing a large amount of moisture while drying the laundry is guided to the first guide cylinder 60 and the second guide cylinder 70, and then the communication hole 32 and the exhaust pipe 90 opened by opening of the exhaust valve 91. It is discharged to the outside through. At this time, since the first guide cylinder 60 and the second guide cylinder 70 are sealed by the packing 71, the loss of hot air is prevented, and the damper 72 is closed by the exhaust force of the exhaust fan 94. After completion of the drying stroke, the valve motor 92 stops operation and the valve body 91a of the exhaust valve 91 is raised by the elastic restoring force of the spring 91b to block the communication hole 32. This washing, dehydration, drainage and drying administration is automatically carried out by a predetermined program.

As described in detail above, according to the dry combined washing machine according to the present invention, by guiding the guide means consisting of the first guide tube and the second guide cylinder between the water tank and the washing tank effectively guides the discharge of the wash water and hot air, the second guide By installing a damper in the tub to allow the wash water to be completely drained, there is an advantage of eliminating the inconvenience of additionally using the valve.

Claims (5)

The washing machine body and the tank and the washing tank disposed in order from the outside, the heating means for heating the air introduced into the main body, the drain pipe provided in the tank for the drainage of the wash water, provided in the tank for the exhaust of hot air used for drying In the combined dry washing machine capable of washing and drying including an exhaust pipe, a guide for guiding the washing water or hot air inside the washing tank 40 between the washing tank 40 and the water tank 30 downward. The means is provided, and the guide means for opening and closing the washing machine, characterized in that the opening and closing means is provided so as to open when the drainage according to the water pressure or exhaust pressure and closed when drying. According to claim 1, The guide means is the first guide cylinder 60 protruding downward from the lower plate of the washing tank 40, the second guide cylinder 70 protruding upward from the lower plate of the water tank 30, the first And a packing 71 provided at an upper end of the second guide cylinder 70 to seal the gap between the first guide cylinder 60 and the opening / closing means provided at a lower end of the second guide cylinder 70, Or a damper 72 having a hinge pin 73 installed at an upper end thereof so as to be opened and closed freely according to exhaust pressure. The combined use washing machine according to claim 2, wherein the packing (71) is installed in line contact with the outer surface of the first guide cylinder (60). The lower plate of the water tank 30, the communication hole 32 is formed to communicate the second guide cylinder 70 and the exhaust pipe 90, the upper end of the exhaust pipe (90) Drying and washing machine, characterized in that the exhaust valve 91 for opening and closing the communication hole (32) is installed. 5. The exhaust valve (91) according to claim 4, wherein the exhaust valve (91) includes a valve body (91a) formed to open and close the communication hole (32) and a spring (91b) elastically supporting the valve body (91a). Drying washing machine, characterized in that the traction cord 93 is towed by the valve motor 92 is connected to (91a).