JPH07100293A - Method and device for clean water washing and drying in washing machine - Google Patents

Abstract

PURPOSE: To provide a method and a device for dehydrating processing with which washing removing efficiency is high, required time is shortened and consumption of washing water and electric power can be reduced by simultaneously advancing rinsing and dehydrating in a fully automatic washing machine. CONSTITUTION: A jet nozzle 7 is installed at a central part inside a door 1 pivoted to the side face of a main body, and a flexible feed pipe 8 is connected through a connector 7a to this nozzle so that the washing water supplied from a feed pump can be equally jetted over all the inner peripheral surface of a drum 5 installed in a water tank 3 inside the main body 2 rotatably at high speed. Thus, the jetted washing liquid is stuck on laundry, afterwards, and moved to the outside while rinsing the laundry with a centrifugal force and centrifugally drained so that rinsing and dehydrating can be simultaneously proceeded.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for rinsing and dehydration of a fully automatic washing machine, which is particularly short in required time, and is used for washing water or washing oil (hereinafter referred to as washing liquid), detergent, and The present invention relates to a rinsing and dewatering method and apparatus for a washing machine which consumes less electric power and has a high overall washing efficiency.

[0002]

2. Description of the Related Art A fully automatic washing machine includes a stirring type, a drum type, a torrent type, a jet type and the like as a method of changing the water flow for washing. That is, the most widely used stirring type is
Although it is possible to wash a relatively large amount of laundry without damaging the cloth or fabric, it has the drawbacks of a complicated structure, high cost, and a long washing time. In addition, the drum type in which the laundry is rotated and raised by the drum installed on the horizontal axis, and then the laundry is dropped into the wash water and washed by the impact, does not damage the cloth or the fabric and a large amount of laundry can be performed. Since it can be used, it is mainly used for industrial purposes.

The torrent type, in which a washing rod connected to a pulsator (rotary blade) is rotated at a high speed to wash the washing liquid, is liable to damage the cloth and has a low washing efficiency, but the structure is simple and inexpensive. There are features. Further, the jet type is one in which the washing liquid is compressed and jetted by a pump in order to prevent damage to the cloth, which is a drawback of the torrent type, and is characterized by high washing efficiency due to fine bubbles of the washing liquid.

By the way, a conventional fully automatic washing machine is usually
Regardless of the above-mentioned washing method, a method of completing one washing by cyclically advancing the sequential steps of washing, dehydration, and rinsing dehydration for a predetermined time set in advance is adopted. During the process, wash water is added to soak the laundry in the wash water, the detergent remaining in the laundry is dissolved, and then the dissolved detergent is discharged in the dehydration step. It was to dilute the remaining detergent concentration.

[0005]

However, according to such a method, since rinsing and dehydration are repeated in order to more completely remove the detergent remaining in the laundry, the time required is long and the washing water and electric power are not consumed. There was a problem that consumption increased. Furthermore, it is difficult to completely remove the residual detergent, and there is a problem of low overall washing efficiency.

The present invention has been made in view of the above conventional problems, and it is an object of the present invention to significantly enhance the detergent removal efficiency by advancing the rinsing step and the dehydrating step at the same time. It is an object of the present invention to provide a rinsing / dehydrating treatment method and device for a washing machine, which can be performed and which requires less time and consumes less washing water and electric power.

[0007]

SUMMARY OF THE INVENTION The present invention, which has been made to achieve the above object, is a fully automatic washing machine in which a drum is installed in the main body, the drum is rotated at a high speed, and the cleaning liquid is supplied from the center of the drum to the inside of the drum. A method for rinsing and dewatering treatment of a washing machine, characterized in that the rinsing step and the dehydration step are carried out simultaneously by centrifugally separating the sprayed cleaning liquid together with the detergent remaining in the laundry by spraying on the peripheral surface. .

Further, according to the present invention, in a fully automatic washing machine in which a drum is installed in the main body so as to be rotatable at high speed, the inside of the door for opening and closing the opening on one side of the drum is directed from the inside toward the inner peripheral surface of the drum. The rinsing / dehydrating apparatus for a washing machine is characterized by comprising a structure in which a spray nozzle capable of spraying a cleaning liquid is provided.

[0009]

After the washing and spin-drying process is completed, the drum is rotated at a high speed and the cleaning liquid is sprayed from the center of the drum toward the inner peripheral surface, and the laundry adheres to the inner peripheral surface of the drum with a large amount of residual detergent. While the detergent scatters due to centrifugal force, the sprayed cleaning liquid adheres to the laundry, and the centrifugal force causes the residual detergent to dissolve in the laundry, that is, it moves to the outside while rinsing the laundry. Dehydrated to the outside. Therefore, rinsing and dehydration can proceed simultaneously.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a drum type fully automatic washing machine W for explaining an embodiment of the present invention, in which a cylindrical water tank 3 is provided in a main body 2 in which a door 1 is pivotally attached to a side surface. It is installed so that it can absorb vibration, and the horizontal drive shaft 4 is installed inside the water tank 3.
The cylindrical drum 5 supported by is installed, and the horizontal drive shaft 4 is selectively driven at high speed or low speed by the motor 6, so that the drum 5 moves at high speed in the water tank 3 (dehydration process or rinse dehydration process). Alternatively, the laundry is designed to rotate while rotating at a low speed (washing process).

This fully automatic washing machine W is set so that after washing and dehydrating steps are carried out two to three times, a rinsing and dehydrating step is similarly carried out to complete one washing operation. The motor 6 rotates at a low speed of 50 to 55 R.PM, raises the laundry to some extent, then drops it to wash it by friction with the washing water. Also, during the washing and dehydration process, the motor 6 is at 850 to 900 R.PM. The laundry is rotated at a high speed to rotate the laundry in a state of being in close contact with the inner peripheral surface of the drum, and centrifugal separation of the detergent and dewatering of the washing water are performed by centrifugal force.

FIG. 2 further shows a main part of the fully automatic washing machine W, that is, a part relating to the rinsing and dehydrating apparatus of the present invention.

The water tank 3 is watertightly installed on the back surface of the main body 2 with a backing 21, and a wash water discharge port is provided in the lower part thereof together with a wash opening / closing valve. This water tank 3
The drum 5, which is installed by the horizontal drive shaft 4 in the center of the drum 5, has a large number of water holes 51 formed around the drum 5, and four cylindrical friction bars 52 for moving the laundry on the inner surface thereof are arranged at regular intervals. It has.

A hinge 2 is attached to the front surface of the main body 2 so as to be freely opened and closed.
The door 1 fixed by 2 is provided with a contact pad 11 on the inner periphery thereof, and is firmly attached to the contact plate 23 on the front surface of the main body 2 by the corresponding connection of the locking members 12 and 24. It is possible to maintain the locked state. A transparent window 13 made of a transparent material is provided at the center of the inner surface of the door 1.
Is installed in a watertight manner so that the progress of washing in the drum 5 can be seen. Incidentally, reference numeral 25 in the figure is a stopper for limiting the opening of the rotation of the door 1.

A jet nozzle 7 is installed in the center of the inside of the transparent window 13, and cleaning water is supplied from a water supply pump to the jet nozzle 7 through a connecting tool 7a protruding to the outer surface of the transparent window 13 during a rinsing process. Connect the flexible water supply pipe 8 to
The cleaning water can be evenly sprayed over the entire inner peripheral surface of the drum 5.

Next, the method for rinsing and dehydrating treatment according to the present invention will be described for the fully automatic washing machine W.

After the washing-dewatering-washing process is repeated, the rinsing and dewatering process is started and the drum 5 is rotated at a high speed. It comes into close contact and rotates.

In this state, the cleaning water is supplied from the water supply pump to the injection nozzle 7 through the water supply pipe 8 and is sprayed uniformly from the injection nozzle 7 onto the entire inner peripheral surface of the drum 5. The sprayed cleaning water adheres to the laundry and then penetrates into the laundry by centrifugal force, moves to the outside while dissolving the detergent remaining in the laundry, and is centrifugally discharged from the water hole 51 together with the detergent.

According to the rinsing and dehydration treatment method of the present invention as described above, unlike the conventional rinsing and dehydration method in which the detergent remaining in the laundry is diluted with the washing water, the residual detergent is dissolved in the washing water. At the same time, the dissolved detergent is forcibly gradually moved to the outside by centrifugal force and discharged, so that the once-dissolved detergent hardly adheres to the laundry again and remains. Therefore, the rinsing efficiency is considerably higher than that of the conventional rinsing and dehydrating methods. Furthermore, since the dehydration process proceeds at the same time as the rinsing process and the dehydration process is completed almost at the same time as the completion of the rinsing process, the required time can be significantly reduced.

[0021]

According to the present invention as described above, the efficiency of rinsing and dehydration can be improved by simultaneously treating rinsing and dehydration, and the consumption of cleaning liquid and electricity and the required time can be greatly reduced. In addition, the residual detergent can be effectively removed, so that the overall washing efficiency can be significantly improved.

[Brief description of drawings]

FIG. 1 is a cutaway side view showing an embodiment of a fully automatic washing machine to which a rinsing / dehydrating treatment apparatus of the present invention can be applied.

FIG. 2 is a cross-sectional view of main parts of the washing machine of FIG.

[Explanation of symbols]

 1 Door 2 Main Body 3 Water Tank 4 Horizontal Drive Shaft 5 Drum 52 Friction Rod 6 Motor 7 Injection Nozzle 7a Connecting Tool 8 Water Supply Pipe W Fully Automatic Washing Machine

Claims (2)

[Claims] 1. A fully automatic washing machine in which a drum is installed inside the main body, by rotating the drum at a high speed and spraying a cleaning liquid from the center of the drum onto the inner peripheral surface of the drum,
A rinsing / dehydrating treatment method for a washing machine, characterized in that the jet cleaning liquid is centrifuged together with the detergent remaining in the laundry to allow the rinsing step and the dehydration step to proceed simultaneously. 2. A fully automatic washing machine in which a drum is installed in the main body so that it can rotate at high speed, and a cleaning liquid can be sprayed from the inside toward the inner peripheral surface of the drum inside the door that opens and closes the opening on one side of the drum. An apparatus for rinsing and dehydrating treatment of a washing machine, characterized in that it comprises a structure in which various injection nozzles are arranged.