JPH0636591U - Washing machine powder detergent dissolver - Google Patents

Abstract

(57) [Summary] [Objective] To provide a device for completely dissolving a powder detergent in water and supplying it to a washing tub. [Structure] A detergent dissolving cylinder 13 containing the powder detergent A, a solenoid valve 15 which is opened and closed according to a signal from a control unit of the washing machine 1, and a detergent dissolved in water in the detergent dissolving cylinder 13 is discharged to a discharge pipe 16. Overflow pipe 14
And a detergent inlet 12 for feeding the powder detergent into the detergent melting cylinder
And an ultrasonic transducer 17 for transmitting ultrasonic waves to the discharged water, the powder detergent A in the detergent dissolving cylinder 13 is temporarily dissolved by the water pressure of the supplied water, and is discharged through the overflow pipe 14. The undissolved powder detergent is secondarily dissolved by ultrasonic waves from the ultrasonic vibrator 17 to completely dissolve the powder detergent and then the washing tub 2
Supply to.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a powder detergent dissolving device for a washing machine.

[0002]

[Prior art]

 Conventionally, as a device for dissolving and supplying powdered detergent in a washing machine, Japanese Patent Laid-Open No. 63-192497 discloses a water supply valve that is controlled to open and close according to the operation of a water level switch installed in a washing tub, and the water supply valve supplies the water. Disclosed is a washing machine provided with a water supply passage for guiding the water to be washed to the washing tub, and forcibly dissolving the detergent by the water supplied from the water supply valve by pouring the detergent into the water supply passage during water supply. ing.

Further, in the powder detergent introducing device disclosed in Japanese Patent Publication No. 4-31719, a screw conveyor driven by a motor installed on the inlet side of the detergent supply pipe is installed on the bottom surface of the detergent container, It is designed to supply detergent directly to the washing tub.

As described above, the conventional powder detergent supply device generally forcibly discharges the powder detergent stored in the detergent container to the outlet side by a screw conveyor or the like, and supplies it to the water supply passage of the washing tub or directly to the washing tub. It was designed to be thrown in.

[0005]

[Problems to be solved by the device]

 The conventional washing machine detergent supply device as described above is effective because the powder detergent is not completely dissolved in the washing water in the washing tub, that is, a part of the detergent remains in a lump state. I was not able to fulfill the required washing function. Furthermore, as undissolved detergent lumps float in the washing tub, they are mixed into the sewage and discharged into the river, causing environmental pollution. Further, in order to obtain a predetermined washing effect, the amount of detergent used must be increased, and economic loss cannot be avoided.

An object of the present invention is to provide a device for completely dissolving a powdered detergent and supplying it into a washing tub so as to enhance the washing effect while minimizing the amount of detergent used.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, a powder detergent dissolving device for a washing machine according to the present invention accommodates a powder detergent together with a water supply introduction pipe connected to a water supply pipe of a washing machine and receiving water from the water supply introduction pipe. The detergent dissolving tube for dissolving the powder detergent by the pressure of the water to be supplied and the detergent dissolving water dissolved in the detergent dissolving tube, which is installed by inclining downward from the upper part of the detergent dissolving tube, An overflow pipe for discharging the water, a discharge pipe for connecting the residual water discharge port of the detergent dissolving cylinder and the overflow pipe to supply water in which the detergent is dissolved into the washing tub, and a residual pipe of the detergent dissolving cylinder. It is installed between the water outlet and the discharge pipe, and when the water supply from the water supply pipe is completed, the solenoid valve for discharging the water remaining in the detergent dissolving cylinder to the discharge pipe and the overflow pipe are connected. The fulcrum to be tied Is installed in a horizontal portion of the exhaust pipe spent composed of a ultrasonic vibrator for dissolving and dispersing the powder detergent undissolved by emitting an ultrasonic wave into the detergent dissolved water discharged.

In the powder detergent dissolving apparatus of the present invention thus constructed, the water supplied through the water supply pipe is discharged to the detergent discharge pipe through the overflow pipe after the detergent is dissolved through the detergent dissolving cylinder. .

The undissolved detergent contained in the water discharged to the detergent discharge pipe is further differentiated by the ultrasonic transducer installed at the horizontal portion of the detergent discharge pipe, The powder detergent is completely dissolved in the wash water and supplied to the washing tub.

When the powder detergent is dissolved and discharged through the powder detergent dissolving device and the detergent supply to the washing tub is completed, the solenoid valve is released by the signal of the control unit, and the residual water in the detergent dissolving cylinder is transferred to the washing tub. As it is discharged, water is supplied through the valve.

In addition, in the present invention, in order to increase the flow velocity of the feed water to the feed water introduction pipe, a plurality of pores are provided so as to be inclined downward, and an inverted U-shaped siphon pipe is provided instead of the solenoid valve. If the water supply is cut off and the water level of the dissolved water discharged through the overflow pipe in the detergent dissolving pipe becomes low by installing the pump at the location where it is connected to the detergent discharge pipe, the detergent dissolving pipe is passed through the inverted U-shaped siphon pipe. The remaining detergent-dissolved water may be discharged into the washing tub.

[0012]

【Example】

 As shown in FIG. 1, a powder detergent dissolving apparatus 10 according to the present invention is installed on an inner wall of an upper cover of a washing machine, and water supplied from a water supply pipe of the washing machine is passed through a water supply introduction pipe 6 to wash the detergent. This is a device for dissolving the detergent in the dissolving cylinder 13 (FIG. 2) so that the detergent is dissolved, and then discharging the detergent into the washing tub 3 through the detergent discharge pipe 16.

FIG. 2 is an enlarged view of the powder detergent dissolving apparatus according to the first embodiment of the present invention. As shown in FIGS. 1 and 2, the powder detergent dissolving apparatus 10 according to the first embodiment includes a water supply pipe 6 for hot and cold water connected to a tap and an inner wall of an upper cover of the washing machine body 1. The detergent dissolving tube 13 to be installed, an overflow tube 14 installed to be inclined downward from one side of the upper portion of the detergent dissolving tube 13, and a detergent inlet 12 installed to the upper portion of the detergent dissolving tube 13 And a horizontal L-shaped detergent discharge pipe 16 that is horizontally connected to the lower portion of the detergent dissolution cylinder 13, and a solenoid valve 15 installed between the residual water discharge port 20 of the detergent dissolution cylinder 13 and the detergent discharge pipe 16. And an ultrasonic transducer 17 installed at a horizontal portion of the detergent discharge pipe 16.

Looking at the operation of the powder detergent dissolving apparatus 10 configured as described above, first, the powder detergent loading lid 11 of the detergent loading port 12 provided on the upper portion of the detergent dissolution tube 13 is opened to perform a fixed amount. When the washing machine 1 is operated after the powder detergent A of No. 3 is put in, water is supplied from the water supply pipe of the washing machine into the detergent dissolving cylinder 13 through the water supply introduction pipe 6, and the powder detergent A put in the detergent dissolving cylinder 13 is supplied. Dissolves in water. At this time, the solenoid valve 15 is maintained in the closed state, and therefore, the powder detergent A is dissolved by the water continuously supplied, and at the same time as the overflow pipe 14 provided at the upper portion of the detergent dissolution cylinder 13 is reached. When the water level rises, the detergent-dissolved water is supplied to the washing tub 2 through the detergent discharge pipe 16.

Further, when the detergent-dissolved water passes through the detergent discharge pipe 16, ultrasonic waves are radiated to the detergent-dissolved water from the ultrasonic transducer 17 installed at the horizontal portion of the detergent discharge pipe 16, whereby the detergent is dissolved. The powder detergent remaining in the dissolution cylinder 13 without being sufficiently dissolved is differentiated and completely dissolved. Therefore, only the detergent-dissolved water in which the powder detergent is completely dissolved will flow into the washing tub 2.

As described above, when the water is supplied through the overflow pipe 14 in the detergent dissolving cylinder 13 for a certain period of time and the powder detergent A is completely dissolved and discharged, the solenoid valve 15 is activated by the signal from the washing machine controller. The water that has been opened and remains in the detergent dissolving cylinder 13 is discharged to the discharge pipe 16 through the residual water discharge port 20, and water is supplied by a normal method.

FIG. 3 shows a powder detergent dissolving apparatus 10 ′ according to a second embodiment of the present invention, which is different from the apparatus according to the first embodiment described above in that the detergent dissolving cylinder 13 is provided. In order to increase the flow velocity of the water supplied to the feed water introducing pipe 6 connected in the vertical direction, a plurality of pores 18 are provided so as to be inclined downward, and the solenoid valve used in the first embodiment. If an inverted U-shaped siphon tube 19 is installed in place of 15, and if the level of the dissolved water or the supply water discharged through the overflow tube 14 located above the detergent dissolution tube 13 becomes low, the siphon tube 19 will be used to operate through the siphon principle. It is configured such that the dissolved water is discharged to the washing tub 3. That is, at the time of water supply, the detergent-dissolved water is made to flow into the discharge pipe 16 through the overflow pipe 14 installed at the upper portion of the detergent-dissolving cylinder 13, and when the water supply is completed and interrupted, The water remaining in the detergent dissolving cylinder 13 is discharged to the discharge pipe 16 through the inverted U-shaped siphon pipe 19 due to the pressure difference between the detergent dissolving cylinder 13 having the atmospheric pressure and the discharge pipe 16 having the atmospheric pressure or less. ..

[0018]

[Effect of device]

 With the powder detergent dissolving device of the present invention, the powder detergent in the detergent dissolving cylinder is temporarily dissolved by the water pressure of the supplied water, and the undissolved powder detergent discharged through the overflow pipe is installed in the detergent discharge pipe. The ultrasonic waves from the ultrasonic transducer secondarily dissolves and disperses the detergent, so that the detergent completely dissolved in water is put into the washing tub, which reduces the amount of detergent used and environmental pollution. it can. Further, it is possible to prevent the undissolved detergent from adhering to the laundry. In addition, the detergent is completely dissolved, which improves the washing performance of the washing machine.

[Brief description of drawings]

FIG. 1 is a sectional view of a washing machine to which the device of the present invention is applied.

FIG. 2 is an enlarged sectional view illustrating a powder detergent dissolving device of the present invention.

FIG. 3 is an enlarged cross-sectional view showing another embodiment of the powder detergent dissolving device of the present invention.

[Explanation of symbols]

 2 Laundry tub 11 Lid 12 Detergent input port 13 Detergent dissolving tube 14 Overflow pipe 15 Solenoid valve 16 Detergent discharge pipe 17 Ultrasonic transducer 18 Pore 19 Siphon pipe 20 Residual water discharge port of detergent dissolving cylinder A Powder detergent

Claims (5)

[Scope of utility model registration request] 1. A water supply introduction pipe connected to a water supply pipe of a washing machine, and a detergent for receiving water supply from the water supply introduction pipe and accommodating the powder detergent to dissolve the powder detergent under the pressure of the water supplied. A dissolution tube, an overflow pipe installed to incline downward from an upper portion of the detergent dissolution tube to discharge the detergent dissolution water dissolved in the detergent dissolution tube, a residual water discharge port of the detergent dissolution tube and the overflow It is installed between a discharge pipe connected to the pipe and supplying water in which the detergent is dissolved into the washing tub, and the residual water discharge port of the detergent dissolving cylinder and the discharge pipe, and water supply from the water supply pipe is interrupted. In this case, the means for causing the water remaining in the detergent dissolving cylinder to flow out to the discharge pipe, and the detergent dissolved water which is installed and discharged at the horizontal portion of the discharge pipe passing through the fulcrum connected to the overflow pipe Radiates ultrasonic waves to Undissolved and ultrasonic transducers powdered detergent dissolving and dispersing, washing machine powder detergent dissolving apparatus characterized by being composed by Rukoto. 2. The powder detergent dissolving according to claim 1, wherein the means for causing the residual water in the detergent dissolving cylinder to flow out to the discharge pipe is a solenoid valve operated by a signal from a controller of the washing machine. apparatus. 3. The powder detergent dissolving apparatus according to claim 1, wherein the means for discharging the residual water in the detergent dissolving cylinder to the discharge pipe is an inverted U-shaped siphon pipe. 4. The powder detergent according to claim 3, wherein a plurality of pores are provided in the feed water introducing pipe so as to be inclined downward in order to increase a flow rate of the feed water to the detergent dissolving cylinder. Dissolution equipment. 5. The powder detergent dissolving apparatus according to claim 1, further comprising a detergent inlet for supplying the powder detergent to the detergent dissolving cylinder.