KR20010055640A - hand washing machine of one tube - Google Patents

Abstract

PURPOSE: A washing machine is provided to conveniently use, to compact a size and to reduce a manufacturing cost by independently washing, draining and dehydrating and simplifying a circuit constitution. CONSTITUTION: A washing machine comprises a washing timer(50) to control a washing time by changing a contact according to a washing timer knob; a draining/dehydrating timer(55) to control a draining/dehydrating time by changing a contact according to a draining/dehydrating timer knob; a lid switch(60) turned on/off according to an opening/closing of a door; a first switch(SW1) to control a washing, a draining or a dehydrating mode by contacting or separating from a second protrusion of a lever selection member; a second switch(SW2) to control the draining or the dehydrating mode by contacting or separating from a first protrusion of the lever selection member; a drain motor to drain water according to the switching operations of the first and the second switches when the draining/dehydrating is selected; and a washing motor to wash according to the switching operations when the washing is selected. Thereby, the washing, the draining and the dehydrating are performed independently.

Description

Hand washing machine of one tube

The present invention relates to a single tank washing machine in which a washing tank and a dehydration tank are installed in combination, and more particularly, to a single tank manual washing machine that independently performs washing / draining / dehydration by operating a knob.

In general, in the conventional two-tank manual washing machine, as shown in FIG. 1, the washing tank 102 and the dehydrating tank 104 are separately installed in the washing machine main body 100, and the inside of the washing tank 102 is installed. The pulsator 106 is coupled to the pulsator 106 is connected to the washing motor 110 via the washing shaft 108 and the power transmission means to be rotatable.

The dehydration tank 104 has a structure in which the dehydration tank 114 is rotatably coupled to the inside of the tub 112, and a plurality of drainage holes 116 are formed on the main surface of the dewatering tank 114. The dehydration container 114 is connected to the dehydration motor 120 via the dehydration shaft 118 to be rotatable.

One side of the drain hose 124 is coupled to the drain hole 122 formed at one side of the bottom surface of the washing tub 102 so that the sewage is discharged after washing, and the other side is the drain case 126 integrally formed with the dehydration tank 104. It is connected to, the drain hose 126 is connected to the lower side of the drainage case 126 to drain the water drained from the washing tank 102 and the dehydration tank 104 to the outside of the washing machine body 100.

The upper side of the washing machine body 100 is provided with a plurality of operation knobs 130 for operating the washing machine.

In the conventional two tank type washing machine configured as described above, when the laundry is introduced into the washing tank 102 and the washing water is introduced and the appropriate amount of detergent is put into operation, the washing operation knob 130 is operated. The washing motor 110 is driven to rotate the pulsator 106 forward and reverse to perform washing. When the washing is completed, the washing water is repeatedly introduced into the washing tank 102 to rinse.

After performing rinsing several times, when operating the operation knob 130 for drainage, the drain valve 122 formed on the bottom surface of the washing tank 102 is opened while the drain valve (not shown) is manually pulled out so that the washing water is drained from the drain hose 124. The water is drained out of the washing machine body 100 through the drain case 126 and the drain hose 128.

Thereafter, the rinsed laundry is taken out of the washing tank 102 and placed in the dehydrating container 116 of the dehydrating tank 104. Then, the dehydration operation knob 130 is operated to drive the dewatering motor 120. Water contained in the laundry is discharged through the drain hole 116 formed in the inner circumferential surface of the dehydration container 116 by the centrifugal force generated while the dehydration container 116 is driven at a high speed in one direction, and the discharged water is discharged to the dehydration tank 104. It is drained to the outside of the washing machine body 100 through the drain case 126 and the drain hose 128 installed on the bottom of.

By the way, in such a conventional two-tank manual washing machine, it is cumbersome to take out laundry / rinsed laundry from the washing tank 102 and put it back into the dewatering tank 104 in order to dehydrate the laundry. In the process of moving to the dehydration tank 104) there was a problem that a large amount of water contained in the laundry falls on the floor and the like becomes dirty.

In addition, even though the washing tank 102 and the dehydration tank 104 is different in size, even if a large amount of laundry is washed at the same time in the washing tank 102, the dehydration tank 104 has the inconvenience of dividing the laundry by dehydration. ) And the dehydration tank 104 is separated, there is a problem that the overall size of the washing machine increases.

Thus, a single-set fully automatic washing machine that solves the above problems is now widely used and used, but in such a fully automatic washing machine, when using a microcomputer and a microcomputer for controlling all operations, additional circuit elements and various sensors are required. There is a convenience in use, but there was a problem that the manufacturing cost is expensive.

Therefore, the present invention was devised to solve the above-mentioned problems, and is convenient to use because the washing / draining / dehydration of the one-chamber washing machine combined with the washing tank and the dehydration tank is made independently according to the operation of the knob. It is an object of the present invention to provide a single tank manual washing machine which can be downsized.

Another object of the present invention is to drive by selecting the washing, draining or dehydration only by changing the switch contact according to the operation of the knob, unlike a fully automatic washing machine using a microcomputer, a sensor, etc. It is possible to provide a single tank manual washing machine that can reduce the manufacturing cost.

One tank manual washing machine according to the present invention, in order to achieve the above object, a washing tank and a dehydration tank is installed in combination, a one tank washing machine, a knob for selecting washing, draining or dehydration, washing, draining in accordance with the rotation operation of the knob Or a lever selecting member connected to the knob to rotate the shaft so as to independently drive dehydration, the first and second protrusions protruding at a predetermined angle up and down along the circumferential surface of the lever selecting member, and the lever selection. According to the rotation angle of the member characterized in that the first and second projections at the same time or in contact with the first, second switch for switching the washing, draining or dehydration mode.

1 is a partial cross-sectional view showing a conventional two-chamber manual washing machine,

Figure 2 is an overall perspective view of a one-seat manual washing machine according to the present invention,

Figure 3 is a schematic side cross-sectional view of a one tank manual washing machine according to the present invention,

4 is a plan view of a washing / drainage / dehydration selection knob applied to the present invention;

5 is an assembly configuration of the knob for washing / drainage / dewatering selection applied to the present invention,

6 is a switch contact configuration diagram of the knob for washing / drainage / dewatering selection applied to the present invention,

Figure 7 is a circuit diagram of a one-tank manual washing machine according to an embodiment of the present invention.

<Explanation of symbols for main parts of the drawings>

5: Knob for washing / draining / dehydration 6: lever selection member

15: dehydration tank 17: pulsator

19: washing motor 27: drain motor

50: washing timer 55: draining / dewatering timer

60: lid switch 61,62: protrusion

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

2 is an overall perspective view showing a one-pack manual washing machine according to the present invention, Figure 3 is a schematic cross-sectional view of a one-pack manual washing machine according to the present invention.

As shown in FIG. 2, a door 3 hinged to one side of the washing machine main body 1 is opened and closed freely, and an operation unit 4 for operating the washing machine is provided on the upper side of the washing machine main body 1. It is.

The operation unit 4 includes a washing / draining / dehydration selection knob 5 for selecting washing / draining / dehydration, a washing timer knob 7 for setting a washing time, and washing water flow (strong, medium, weak, etc.). There are provided a plurality of knobs consisting of a washing water flow adjustment knob 9 for adjusting the drainage / dewatering timer knob 11 for setting drainage / dewatering time.

As shown in FIG. 3, in the main body 1, a washing tank 13 is installed to store washing water by hanging at a predetermined height through a plurality of tension bars not shown to prevent vibration during washing and dehydration. In the washing tank 5, a dehydration tank 15 for washing and dewatering the laundry put therein is installed.

In the dehydration tank 15, a pulsator 17 is installed on the washing water stored in the dehydration tank 15 to wash and dehydrate the laundry, and a bottom surface of the washing tank 13 is provided. A washing motor 19 for driving the pulsator 17 and the dehydration tank 15 to be rotated is installed, and one side of the washing motor 19 provides a driving force of the washing motor 19 to the belt 21. Received through the power transmission device 23 for driving the dehydration tank 15 and the pulsator 17 is installed.

In addition, a water supply means 25 for supplying the washing water in the washing tank 13 is installed on the upper part of the main body 1, and the lower surface of the washing tank 13 drains the contaminated washing water during washing and rinsing. The drain motor 27 which discharges through the hose 29 is provided.

On the other hand, the drain motor 27 is configured to have a predetermined delay time using a cam (not shown) to be driven after the clutch is completely completed when dewatering.

Further, as shown in FIGS. 4 and 5, the washing / drainage / dewatering selection knob 5 is independently washed, drained, or dewatered according to the rotation operation of the washing / drainage / dewatering selection knob 5. The lever selection member 6 for driving the motor is installed via the shaft 6a, and the first and second switches connected to the contacts of the first and second switches SW1 and SW2 are provided on the circumferential surface of the lever selection member 6; The two projections 61 and 62 protrude from the circumferential surface at predetermined angles 240 ° and 120 °.

Next, the control circuit of the one-seat manual washing machine configured as described above will be described with reference to FIG.

As shown in FIG. 7, the contact is changed according to the operation of the washing timer knob 7 to change the contact according to the operation of the washing timer 50 and the drain / dewatering timer knob 11 to control the washing time. Drainage / dewatering timer 55 for controlling drainage / dewatering time, lid switch 60 on / off in accordance with opening / closing of door 3 during drainage or dehydration, and washing / drainage / dehydration selection knob 5 The first switch SW1 for contacting or non-contacting the second projection 62 of the lever selection member 6 to control the washing, draining or dehydration mode according to the manipulation of the lever selection member 6, and the knob 5 for washing / draining / dehydration selection. The second switch SW2 for contacting or non-contacting the first projection 61 of the lever selection member 6 to control the drainage or dehydration mode and the washing / drainage / dehydration selection knob 5 When the drainage / dehydration is selected by operation, the drain motor 27 performs drainage according to the switching operation of the first and second switches SW1 and SW2. When the laundry to / drainage / dewatering select knob 5 is operated for selecting the washing it consists of a wash motor 19 for performing washing according to the switching operation of the first and second switches (SW1, SW2).

Reference numeral 65 is a fuse, 67 is a starting capacitor, and 70 is a power input terminal.

Hereinafter, the operation and effect of the one-tank manual washing machine configured as described above will be described.

First, it is assumed that the first and second switches SW1 and SW2 are in a normally closed (NC) state and the lid switch 60 is in an on state as an initial condition for explaining the operation of the present invention.

The user injects laundry into the dehydration tank (7) and at the same time introduces the washing water and the appropriate amount of detergent, and then rotates the washing timer knob (7) of the operation unit (4) formed at the top of the main body (1). When the washing time is set and the washing / draining / dehydration selection knob 5 is rotated and positioned in the washing / rinsing as shown in FIG. 4, the shaft ( The lever selection member 6 provided via 6a) is also rotated.

Accordingly, the first and second protrusions 61 and 62 protruding along the circumferential surface of the lever selection member 6 are connected to the first and second switches SW1 and SW2 as shown in FIG. The first switch SW1 is connected to the 'NO' terminal and the second switch SW2 is open because the same contact is made to press the contacts of the first and second switches SW1 and SW2.

Accordingly, the washing motor 19 starts driving by forming a closed circuit connected to the power input terminal 70 → the first switch SW1 → the washing timer 50 → the washing motor 19 → the power input terminal 70. .

When the washing motor 19 is driven, the rotational force by the driving of the washing motor 19 is transmitted to the power transmission device 23 through the belt 21, the washing motor transmitted to the power transmission device 23 ( By the rotational force of 19) the pulsator 17 is reversed left and right to form a stream of water in the wash water supplied.

The water flow formed along the left and right inversion of the pulsator 17 is applied to the wash water to separate the adsorbed laundry or foreign matter when the laundry is made, washing is completed, the power input stage when the washing time of the washing timer 50 is completed Since the AC power supplied to the washing motor 19 is cut off from the 70, the washing motor 19 stops, and thus washing is terminated.

After the washing is finished, the user rotates the drain / dewatering timer knob 11 of the operation unit 4 formed at the upper end of the main body 1 to set the drainage time, and the washing / draining / dehydration selection knob 5 As shown in Fig. 4, when it is placed in the drainage, the lever selection member 6 provided through the shaft 6a on the washing / drainage / dewatering selection knob 5 also rotates as well.

Therefore, as shown in FIG. 6B, the first protrusion 61 of the lever selection member 6 is in contact with the second switch SW2 and the second protrusion 62 is connected to the first switch SW1. Since the first protrusion 61 presses the contact of the second switch SW2 without being in contact with the first switch SW1, the first switch SW1 is connected to the 'NC' terminal and the second switch SW2 is opened.

Accordingly, a closed circuit connected to the power input terminal 70 → the first switch SW1 → the lid switch 60 → the drain / dehydration timer 55 → the drain motor 27 → the power input terminal 70 is formed. (27) starts driving.

When the drain motor 27 is driven, the contaminated water in the washing tank 5 is drained to the outside through the drain hose 23, and when the drainage time of the drain / dewatering timer 55 is completed, Since the AC power supplied to the drain motor 27 is cut off and the drain motor 27 stops, drainage is terminated.

On the other hand, when the user opens the door 3 during drainage, the lid switch 60 is turned off, and the power supplied to the drain motor 27 from the power input terminal 70 is cut off, so that the drain motor 27 is stopped and drainage is stopped. .

After the washing or draining is finished, the user rotates the drain / dewatering timer knob 11 of the operation unit 4 formed at the top of the main body 1 to set the dehydration time, and the washing / draining / dehydration selection knob ( As shown in FIG. 4, when 5) is rotated and positioned in drainage / dewatering, the lever selection member 6 provided through the shaft 6a on the washing / drainage / dewatering selection knob 5 also rotates together. do.

Accordingly, the first and second protrusions 61 and 62 of the lever selection member 6 are not in contact with the first and second switches SW1 and SW2 as shown in FIG. SW1) is connected to the 'NC' terminal and the second switch SW2 is connected to the 'NC' terminal.

Accordingly, a closed circuit connected to the power input terminal 70 → the first switch SW1 → the lid switch 60 → the drain / dehydration timer 55 → the drain motor 27 → the power input terminal 70 is formed. Since the 27 is driven, drainage starts, and at the same time, the power input terminal 70 → the first switch SW1 → the second switch SW2 → the drain motor 27 → the washing motor 19 → the power input terminal 70. Closed circuit is configured to be connected to the washing motor 19 is dewatered by the centrifugal force generated while the motor 19 rotates in one direction at high speed.

At this time, when the dehydration time of the drain / dewatering timer 55 is completed, the AC power supplied to the drain motor 27 and the washing motor 19 is cut off from the power input terminal 70 to drain the drain motor 27 and the washing motor 19. ) Stops dehydration.

On the other hand, when the user opens the door 3 during dehydration, the lid switch 60 is turned off so that the power supplied to the drain motor 27 and the washing motor 19 from the power input terminal 70 is cut off, so that the drain motor 27 and The washing motor 19 is stopped and dehydration is stopped.

According to the one-chamber manual washing machine according to the present invention as described above, the one-chamber washing machine combined with the washing tank and the dehydration tank allows washing / drainage / dehydration to be made independently according to the operation of the knob, and is convenient to use. It can be miniaturized and simple circuit configuration is possible without using additional circuit elements unlike the automatic washing machine using microcomputer and sensor by driving washing, draining or dehydration independently by changing the switch contact according to the operation of the knob. It has the effect of reducing the manufacturing cost.

Claims (4)

In a one-chamber washing machine installed by combining a washing tank and a dehydration tank, A knob to select washing, draining or dehydration, A lever selection member connected to the knob via a shaft to rotate the washing, drainage, or dehydration according to a rotation operation of the knob; First and second protrusions protruding at a predetermined angle up and down along the circumferential surface of the lever selection member; And a first switch and a second switch configured to switch washing, drainage, or dehydration modes by simultaneously contacting or non-contacting the first and second protrusions according to the rotation angle of the lever selection member. The method of claim 1, The first protrusion protrudes upward at an angle 240 ° along the circumferential surface of the lever selection member, and the second protrusion protrudes downwardly at a 120 ° angle along the circumferential surface of the lever selection member. One tank manual washing machine to do. The method according to claim 1 or 2, The first and second protrusions are in contact with the first and second switches during washing; When draining, the first protrusion is in contact with the second switch, and the second protrusion is in non-contact with the first switch; The first and second protrusions of the manual washing machine, characterized in that the first and second projections are in contact with the first and second switches when dewatering. The method of claim 1, Manual tank washing machine characterized in that it further comprises a drain motor which is driven after the clutching is completed when dewatering.