JPH0632745B2 - Detergent supply device for washing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Object of the Invention (Field of Industrial Application) The present invention relates to a detergent supply device for a washing machine, which is installed on an upper surface of a washing machine and supplies detergent into a washing tub.

(Prior Art) Conventionally, a detergent supply device for this type of washing machine has been installed on the upper surface of the washing machine, in which detergent stored in a hopper is stored in a washing tub by a detergent discharge member such as a screw or a valve. Is supplied to the detergent receiving portion provided in the upper part of the washing machine, and the supplied detergent is guided into the washing tub by being washed away by running water or by spontaneous fall depending on the inclination of the detergent receiving portion. The one that has been made available is provided.

(Problems to be Solved by the Invention) In the case of the above-mentioned conventional one, the detergent is often adhered to the detergent receiver and remains in the washing tub away from the detergent receiver, for example, at the time of rinsing except when the detergent is being supplied. Sometimes, and as a result,
There is a problem that the rinsing effect is deteriorated. In order to prevent this, the detergent receiving part should be inspected frequently, and it should be cleaned frequently, but the conventional one is not easy to do it, Therefore, the occurrence of the above problems cannot be avoided.

The present invention has been made in view of the above circumstances, and therefore an object thereof is to easily and sufficiently inspect and clean the detergent receiving portion, and prevent the occurrence of harm due to the wrong entry of the attached detergent. To provide an excellent washing machine detergent supply device.

[Structure of the Invention] (Means for Solving Problems) A detergent supply device for a washing machine according to the present invention is installed on an upper surface of a washing machine and supplies detergent into a washing tub.
A detergent receiving portion provided at an upper portion of the washing tub for receiving the supplied detergent and guiding the received detergent into the washing tub, and the washing machine having substantially the same size as the detergent receiving portion. A hopper for accommodating and storing the detergent is provided in the upper surface portion above the detergent receiving portion for the purpose of inspection and cleaning, and a hopper for accommodating and storing the detergent, and the detergent receiving portion for receiving the detergent from the hopper. A unit for detaching the detergent from the washing machine, the unit being detachably attached to the upper surface of the washing machine, the opening being covered by the attachment, and the opening being opened by the detachment. It has characteristics.

(Operation) According to the above means, the detergent receiving portion can be inspected from the opening opened by removing the unit, and the detergent receiving portion can be cleaned through the opening.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

First, in FIG. 2, reference numeral 1 is a washing machine outer box, 2 is an upper cover attached to the upper surface of the washing machine, 3 is an openable and closable lid provided on the upper cover 2, and in particular, a half-fold type lid in this case, 4 Is an operation panel located at the front of the lid 3 and provided at the front edge of the upper cover 2. On the other hand, 5 is a rear panel located at the rear of the lid 3 and provided at the rear edge of the upper cover 2, which has a power switch 6 and a hopper 7.

As shown in FIG. 1 in detail, the hopper 7 has, as shown in FIG. 1, an inner wall 9 made of, for example, transparent plastic having a horizontal cylindrical detergent delivery portion 8 and an outer wall 10 surrounding the outer periphery of the hopper 7 also made of transparent plastic. The outer wall 10 is made up of the upper wall 10a and the lower wall 10b separately, and the upper wall 10a and the lower wall 10b are joined together.
By being fitted inside the upper outer peripheral rib 12, the inner wall 9 is joined so as to have a predetermined gap 13 on the outer periphery thereof. Incidentally, 14 is a lid of the hopper 7.

Further, 15 is one of the lowermost both sides of the outer wall 10 (first
On the left side of the figure, the claw is integrally formed with the lower portion 10b of the outer wall 10, and on the other side (right side of the figure), the claw 16 is integrally formed with a push button 17 that can be retracted into the lower portion 10b of the outer wall 10. On the other hand, 18 is a concave portion formed on the rear panel 5 by surrounding the upper edge with a rib 19 as shown in FIG. 3, and one of both sides thereof (see FIG. 1). A hole 20 is formed on the left side in the middle and a hole 21 is formed on the other side (the right side in the figure).
The hole 15 is engaged with the claw 15 and the hole 21 is engaged with the claw 16 so that the hopper 7 is detachably attached to the rear panel 5.

Reference numeral 22 denotes a detergent dispensing member that is previously inserted in the detergent delivery portion 8 located in the recess 18 when the hopper 7 is mounted, and in the case of the present embodiment, it is composed of a coil.
The base end portion (the left end portion in FIG. 1) is attached to the transmission shaft 23 that is rotatably supported by being inserted into the base end portion of the detergent delivery portion 8, whereby the detergent delivery member 22 and the hopper 7 are attached. They are integrated and united.

Reference numeral 25 is a motor attached to the left end portion in the upper cover 2 in FIG. 1, and more specifically, this is also covered in detail by a waterproof cover 27 integrally having a water receiving portion 26, and the waterproof cover 27 (water receiving portion 2
6) is attached to the upper cover 2 by tightening it with a screw 28 shown in FIG. 4, a drive gear 29 also serving as a waterproof cap is attached to the rotary shaft 25a, and the drive gear 29 of the transmission shaft 23 is attached. A driven gear 30 attached to the end protruding from the detergent delivery portion 8 is meshed.

Reference numeral 31 is a recess extending substantially over the entire rear edge of the upper cover 2, in which a drain port which faces the inside of a washing tub (not shown) disposed inside the outer box 1 near the tip of the water receiving portion 26. 32 is formed. Further, a detergent receiving portion 34 is formed at a portion of the recess 31 located below the detergent outlet 33 at the tip of the detergent delivering portion 8 in the hopper 7 by separating the other portions by partition walls 35 and 36. is doing. As shown in FIG. 5, the detergent receiving portion 34 has a downwardly sloping slope, and a leading end thereof has a supply port 37 facing the inside of the washing tub, and a rear end portion thereof. Further, the water supply device 38 is connected to the water supply valve 39. The reference numeral 40 designates an opening located above the detergent receiving portion 34 and formed in the bottom of the recess 18 of the rear panel 5 for passing the detergent and also for inspection and cleaning. They are formed to have substantially the same size.

Reference numeral 41 denotes a projection protruding from the bottom of the recess 18 of the rear panel 5, while reference numeral 42 denotes a small lid having an upper end pivotally supported by a shaft portion 43 on the outer wall lower portion 10b of the hopper 7.
2, a protrusion 44 is formed near the upper end as shown in FIG. 6, and a spring 45 is provided between the protrusion 44 and the push button 17.
, Which pushes the push button 17 outward and the small lid 42 inward (toward the detergent outlet 33). Further, a slanted tongue piece 46 is formed in the rear portion near the lower end portion of the small lid 42, and the slanted tongue piece 46 is brought into contact with the convex portion 41 so that the small lid 42 resists the urging force of the spring 45 to the outside. Rotate toward (the side opposite to the detergent outlet 33 direction) to remove the detergent outlet 33.
I am trying to open.

Here, FIG. 7 shows the hopper 7 (the hopper 7 and the detergent dispensing member 2).
2) is being removed, in which case the push button 17 is pushed inward against the urging force of the spring 45 to remove the pawl 16 from the hole 21, and then The claw 15 is removed from the hole 20. Upon removal of such a hopper 7 (unit), the small lid 42 separates the tongue piece 46 from the convex portion 41, and thus the small lid 4 is removed.
2 is released from the outward force by the convex portion 41, and is rotated inward with the urging force of the spring 45,
It is pressed against the detergent outlet 33 to close the outlet 33.
Then, if the hopper 7 (unit) is attached again from this state, the small lid 42 slides the tongue piece 46 in contact with the convex portion 41 and slides outward against the biasing force of the spring 45 as described above. It is rotated to open the detergent outlet 33. Further, as the hopper 7 (unit) is attached and detached, the opening 40 above the detergent receiving portion 34 is provided in the hopper 7 (unit).
It is covered by the hopper 7 (unit) in the attached state and opened in the detached state.

Reference numeral 47 denotes an agitator in which a shaft 48 is passed between the front and the rear of the hopper 7 and is rotatably disposed in the hopper 7. The agitator 47 has a plurality of holes 49 and a plurality of protrusions 50 protruding in the front-rear direction. It has a large number of protrusions 51 protruding outward from the periphery, and one of the protrusions 51 is engaged with the detergent discharge member 22.

Now, in the case of the one configured as described above, in use, for example, with the hopper 7 (unit) removed, the lid 14 is opened, the detergent, for example, powder detergent 52 is put in the hopper 7, and the lid 14 is closed. . Then, the hopper 7 (unit) is attached as shown in FIG. 1, and the powder detergent 52 is stored in the installed hopper 7 by this. At this time, the work of accommodating the powder detergent 52 may be performed on the hopper 7 attached as shown in FIG. With the powder detergent 52 stored in the hopper 7 as described above, the necessary switches on the operation panel 4 are operated in order to perform the next washing. Then, a control device (not shown) such as a microcomputer incorporated in the lower portion of the operation panel 4 starts to operate, so that the motor 2 is initially operated.
5 and the water supply valve 39 are energized to operate together, and the motor 25
Transmits the rotational force from the rotary shaft 25a to the drive gear 29,
Further, by transmitting from the drive gear 29 to the driven gear 30 and then to the transmission shaft 23 and the detergent dispensing member 22, the detergent dispensing member 22 is rotated, particularly in the so-called screwing direction. Therefore, the powder detergent 52 in the hopper 7 is advanced in the detergent delivery portion 8 toward the detergent outlet 33 by the rotation of the detergent delivery member 22, and from the detergent outlet 33, the arrow in FIGS. It is taken out as shown by A and falls on the detergent receiver 34. On the other hand, the water supply valve 39 is connected to the water supply device 38.
Water is caused to flow on the detergent receiving portion 34 through the through as shown by an arrow B in FIG. 5, so that the powder detergent 52 dropped on the detergent receiving portion 34 is washed away by the water, and they both pass to the detergent receiving portion 34. The liquid is guided and supplied from the supply port 37 into a washing tub (not shown) which is a supply destination.

When the detergent dispensing member 22 is rotationally driven as described above, the agitating member 47 in which one of the protrusions 51 is engaged with the detergent dispensing member 22 causes the protrusions 51 to sequentially contact the detergent dispensing member 22.
Rotate in engagement with the hopper 7
The powder detergent 52 therein is agitated so that the powder detergent 52 can be introduced into the detergent delivery portion 8 more smoothly.

As described above, according to this embodiment, the powder detergent 52 is placed in the hopper 7.
From the detergent receiving portion 34, and further into the washing tub of the supply destination from the detergent receiving portion 34. On the other hand, in the configuration, the detergent is provided above the detergent receiving portion 34. Receiver 3
4, an opening 40 having a size substantially the same as that of the hopper 7 (unit) is formed.
The hopper 7 (unit) is covered with the hopper 7 and is opened in the detached state.
The detergent receiving portion 34 can be seen through, and thus the powder detergent 5 there.
You can check the adhesion status of item 2 frequently. Further, as a result of the inspection, if it is determined that the detergent receiving portion 34 needs to be cleaned, the detergent receiving portion 34 can be cleaned by putting a hand through the opening 40. Since the opening 40 is formed to have substantially the same size as the detergent receiving portion 34, the cleaning of the detergent receiving portion 34 can be performed easily and sufficiently over the entire area. Thus, in the case of the present embodiment, the detergent remaining on the detergent receiving portion 34 is left apart from the detergent receiving portion 34 and enters the washing tub at the time of rinsing, etc., other than when the detergent is supplied, so that the rinsing effect is deteriorated. It is possible to prevent the occurrence of such harm. in addition,
The opening 40 is originally provided with a size for allowing the powder detergent 52 discharged from the hopper 7 to pass through the detergent receiving portion 34.
Since the above-mentioned effect can be obtained only by expanding it to a width substantially the same as that of the detergent receiving portion 34, it is effective in suppressing the price increase without complicating the structure. .

The opening 40 may be any size as long as it is approximately the same size as the detergent receiving portion 34, and may be slightly smaller than the detergent receiving portion 34 as shown in the drawing, or may be slightly larger than the detergent receiving portion 34.
Further, the supply of the detergent from the detergent receiving portion 34 into the washing tub is not performed by running water as described above, but is performed by, for example, a natural fall depending on the inclination of the detergent receiving portion 34 or another wiping means. It may be. Further, the detergent discharging member is not limited to the one formed of the coil described above, and may be a valve or screw as in the related art, for example. in addition,
The drive source for rotationally driving the detergent dispensing member is not limited to the motor 25, and may be, for example, a water turbine that operates in the water supply passage. And, in addition, the stirring body 47
Etc. may be provided only for those that need it,
Further, the detergent may be liquid detergent or the like other than the powder detergent 52.

[Effects of the Invention] As is clear from the above description, the detergent supply device for a washing machine according to the present invention is installed on the upper surface of a washing machine and supplies detergent into the washing tub. A detergent receiving portion provided at an upper portion of the washing tub for receiving the supplied detergent and guiding the received detergent into the washing tub, and an upper surface of the washing machine having a size substantially the same as the detergent receiving portion. Part, which is provided above the detergent receiving part, has an opening for passing the detergent which also serves for inspection and cleaning, and a hopper for accommodating and storing the detergent, and the detergent from the hopper to the detergent receiving part. The detergent discharging member to be directed is provided as a unit, the unit is detachably attached to the upper surface of the washing machine, the opening is covered by the attachment, and the opening is opened by the removal. And that This makes it possible to easily and sufficiently inspect and clean the detergent receiving portion, prevent the occurrence of harm due to the accidental entry of the attached detergent, and to prevent it from causing damage, which is another essential configuration for detergent passing. You can get it skillfully with
It is possible to obtain excellent effects such as the effect of suppressing the price increase.

[Brief description of drawings]

The drawings show one embodiment of the present invention. Fig. 1 is a vertical sectional front view of a main portion, Fig. 2 is an external perspective view of a washing machine upper portion in which the same portion exists, and Fig. 3 is an upper portion of the washing machine. Fig. 4 is a vertical side view of the main part with the hopper removed, Fig. 5 is a vertical side view of the same part at a different cross-sectional position, and Fig. 6 is a single small lid. FIG. 7 is a vertical sectional front view of the main portion of the hopper when the hopper is being removed. In the drawings, 1 is a washing machine outer box, 5 is a rear panel, 7 is a hopper,
Reference numerals 15 and 16 are nails, 17 is a push button, 22 is a detergent dispensing member, 2
5 is a motor, 29 is a drive gear, 30 is a driven gear, 33 is a detergent outlet, 34 is a detergent receiving portion, 40 is an opening, and 52 is a powder detergent (detergent).

Claims (1)

[Claims] 1. A washing machine installed on an upper surface of a washing machine for supplying detergent to the inside of the washing tub, the washing being performed so as to guide the received detergent to the inside of the washing tub. Detergent receiving part provided in the upper part of the tub, and for passing the detergent for inspection and cleaning, which is formed in the area above the detergent receiving part of the above-mentioned washing machine upper surface, which is approximately the same size as this detergent receiving part And a hopper for accommodating and storing the detergent, and a detergent discharging member for discharging the detergent from the hopper toward the detergent receiving portion as a unit, and the unit is provided on the upper surface of the washing machine. A detergent supply device for a washing machine, wherein the detergent is removably attached to a portion, the opening is covered by the attachment, and the opening is opened by the detachment.