JPS63214294A - Detergent feeder of washing machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Field of Application) The present invention relates to a detergent supply device for a washing machine, etc., for supplying detergent, particularly powdered detergent, to a detergent receiving section of a washing machine, etc.

(Prior Art) Conventionally, as a detergent supply device such as a washing machine used for supplying this type of powdered detergent, there exists, for example, those shown in Japanese Patent Publication No. 42-18769 and Japanese Patent Publication No. 54-43827. In these devices, the powdered detergent stored in a suitable detergent storage part is taken out by a detergent dispensing member such as a screw or a valve, and is supplied into a washing tub, which is a detergent receiver.

(Problems to be Solved by the Invention) In the case of the above-mentioned conventional detergent, since there is a lot of humidity in the place of use, for example, in a bathroom, it is highly likely that the moisture will infiltrate into the detergent reservoir.

In order to solve these problems, all detergent storage parts have a peripheral wall consisting of a single wall, so they are easily affected by the surrounding heat, especially when the surroundings are When the detergent reservoir cools, the moisture that has entered the detergent reservoir cools and forms condensation on the inner surface of the peripheral wall of the detergent reservoir, and this condensation causes the powdered detergent within the detergent reservoir to solidify or become sticky. This poses a problem in that smooth and reliable supply cannot be achieved.

The present invention was made to solve the above-mentioned problems, and therefore, its purpose is to prevent dew condensation on the inner surface of the detergent reservoir as much as possible, and to prevent powdered detergent from hardening and becoming sticky. To provide an excellent detergent supply device for a washing machine, etc., which can supply detergent smoothly and reliably.

[Structure of the Invention] (Means for Solving the Problems) The present invention provides a detergent storage section that accommodates and stores powdered detergent, and a detergent dispenser that discharges the powdered detergent from the detergent storage section toward the detergent receiving section. The detergent storage part is characterized in that the peripheral wall of the detergent storage part is constituted by a double wall consisting of an inner wall and an outer wall surrounding the outer periphery with a gap.

(Function) According to the means described in -1-, when the peripheral wall of the detergent storage section is cooled, only the outer wall is directly cooled, but the inner wall is separated from the outer wall by an air layer created by a gap, so that the inner wall is not cooled much. Not done. Therefore, even if dew condenses on the inner surface of the outer wall, condensation does not occur on the inner surface of the inner wall, that is, the portion of the detergent storage section that comes into contact with the stored powder detergent, thereby minimizing the clumping and stickiness of the stored powder detergent.

(Example) An example in which the present invention is applied to a detergent supply device for a washing machine will be described below with reference to the drawings.

First of all, in Fig. 2, 1 is the outer box of the washing machine, 2 is the cover attached to the surface of the washing machine, and 3 is the lid, especially in this case a bi-fold type, which is provided on the cover 2 so that it can be opened and closed. , 4 is an operation panel located in front of the lid 3 and provided on the front edge of the upper cover 2. On the other hand, reference numeral 5 designates a rear panel located behind the lid 3 and provided at the rear edge of the upper cover 20, and is provided with a power switch 6 and a detergent reservoir 7.

As shown in detail in FIG. 1, the detergent storage section 7 has an inner wall 9 made of, for example, transparent plastic, which has a hopper shape and has a horizontally cylindrical detergent delivery section 8 at the bottom, and a similar inner wall 9 that surrounds the outer periphery of the inner wall 9. With the outer wall 10 made of transparent plastic,
The entire peripheral wall 11 is composed of (7), i.e., the peripheral wall 11
is a double wall consisting of an inner wall 9 and an outer wall 10,
Furthermore, the outer wall 10 is joined to the inner wall 9 by separately manufacturing and joining the lower part 10a and the lower part 10b, and fitting the uppermost part of the part inside the upper circumferential ring 12 of the inner wall 9. As a result, a predetermined gap 13 is provided between the inner wall 9 and the outer wall 10. Note that 14 is a lid of the detergent storage section 7.

Moreover, 15 is one side (first
The claw 16 is formed integrally with the lower part 10b of the outer wall 10 on the left side (in the figure), and the push button 17 is installed in the lower part 10b of the outer wall 10 on the other side (the right side in the figure). On the other hand, reference numeral 18 denotes a recess formed in the rear panel 5 with its upper edge surrounded by a rib 19 as shown in FIG. A hole 20 is formed on the left side in the figure, and a hole 20 is formed on the other side (the right side in the figure).
The detergent reservoir 7 is attached to the rear panel 5 by engaging the mold 15 in the hole 20 and engaging the claw 16 in the hole 21.

Reference numeral 22 denotes a detergent dispensing member which is inserted in advance into the detergent dispensing section 8 located in the recess 18 when the two detergent storage sections 7 are attached, and in particular, in the case of this embodiment, it is composed of a coil. The base end portion (the left side end portion in FIG. 1) is formed as shown in FIG. Spiral groove 24
It is installed by screwing in the direction of arrow A. Reference numeral 25 denotes a motor attached to the left end of the upper cover 2 in FIG. is attached to the upper cover 2 by tightening it with screws 28 shown in FIG.
Take the drive gear 29 which also serves as a waterproof cap (=j,
A driven gear 30 attached to the end of the transmission shaft 23 protruding from the detergent delivery section 8 is meshed with the drive gear 29.

Reference numeral 31 denotes four parts extending substantially over the entire rear edge of the -L cover 2, which face the inside of a washing tub (not shown) disposed inside the outer box 1 near the tip of the water receiving part 26. , II4 Watercolor 32 Watercolor 32. Further, in the recess 31, the detergent receiving part 33 is separated from other parts by a partition wall 34, 35 in a part located below the tip outlet part 8a of the detergent delivery part 8 in the detergent storage part 7. It is formed by As shown in FIG. 6, this detergent receiving part 33 has a downwardly inclined surface, and has a supply port 36 facing the inside of the washing tub at its tip, and a rear end. The water supply valve 38 is connected to the water supply device 37.
They are arranged in series. Reference numeral 39 denotes an opening located on one side of the detergent receiving portion 33 and formed in the recessed portion 18 of the rear panel 5 for passing the detergent through and also for cleaning.

40 is a convex portion protruding from the bottom of the recess 18 of the rear panel 5, while 41 is a small lid whose upper end is pivoted to the lower part 10b of the outer wall of the detergent reservoir 7 by a shaft 42; As shown in FIG. 7, the small lid 41 has a protrusion 43 formed near its upper end, and a spring 44 is interposed between the protrusion 43 and the push button 17, thereby urging the push button 17 outward. At the same time, the small lid 41 is urged inward (in the direction of the outlet section 8a of the detergent delivery section 8). Further, a diagonal tongue piece 45 is formed at the rear part near the lower end of the small lid 41, and this is -1-
The small lid 41 is engaged with the convex portion 40 and rotated outward (to the side opposite to the direction of the outlet section 8a of the detergent dispensing section 8) against the biasing force of the spring 44, thereby opening the outlet section of the detergent dispensing section 8. 8a is opened.

Here, FIG. 8 shows a state in which the detergent storage section 7 is being removed. At this time, by pushing the push button 17 inward against the biasing force of the spring 44, the claw 16
is removed from the hole 21, and then the claw 15 is removed from the hole 20. When the detergent reservoir 7 is removed, the tongue piece 45 of the small lid 41 is separated from the convex portion 40, and the small lid 41 is therefore released from the outward force of rotation by the convex portion 40. Then, it is rotated inward by the biasing force of the spring 44, and is pressed against the outlet portion 8a of the detergent delivery portion 8, thereby closing the outlet portion 8a. From this state, the detergent storage section 7
After attaching 11 parts, the small lid 41 has 8 pieces 45 attached to the convex part 40.
As described above, the detergent dispensing section 8 is rotated outward against the biasing force of the spring 44, thereby opening the outlet section 8a of the detergent dispensing section 8.

In addition, 46 is an agitator which is rotatably disposed in the detergent storage part 7 by passing a support 47 between the front and back of the detergent storage part 7, and has a plurality of holes 48 and a plurality of protrusions 49 protruding in the front and rear direction. Furthermore, it has a large number of protrusions 50 that protrude outward from the periphery, and one of the protrusions 50 is engaged with the detergent dispenser member 22.

Now, in the case of the device constructed as described above, when using it, first, remove the detergent storage section 7 as shown in Fig. 1.
In this state, the lid 14 is opened, the powdered detergent 51 is put into the detergent storage part 7, and the lid 14 is closed, so that the powdered detergent 51 is stored in the detergent storage part 7. In this state, when you operate the necessary switches on the operation panel 4 to do laundry, a control device (not shown), for example a microcomputer, built into the lower part of the operation panel 4 starts operating. First, the motor 25 and the water supply valve 38 are energized and operate together, and the motor 25 transmits its rotational force from the rotating shaft 25a to the driving gear 29, and further from the driving gear 29 to the driven gear 30, and transmits the rotational force to the transmission shaft 23 and By transmitting the signal to the detergent dispensing member 22, the detergent dispensing member 22 is rotated, particularly in a so-called spiral direction. Therefore, the powdered detergent 51 in the detergent storage section 7 or its detergent dispensing member 22 is rotated to advance inside the detergent dispensing section 8 toward the outlet section 8a, and from the outlet section 8a as shown in FIGS. 1 and 6. The detergent is taken out as indicated by the middle arrow B and falls onto the detergent receiving portion 33. On the other hand, the water supply valve 38 allows water to flow through the water supply device 37 to the detergent receiver 33-L as shown by arrow C in FIG. The water is swept away, and both of them are supplied into the washing tub (not shown) through the supply port 36.

Incidentally, when the detergent dispensing part (22) is rotationally driven as described above, the stirring member 46, which has one of the protrusions 50 engaged with the detergent dispensing member 22, sequentially moves the protrusion 5o into the detergent dispensing member. 22, thereby stirring the powder detergent 51 in the detergent storage section 7, and the powder detergent 51
The introduction of the detergent into the detergent delivery section 8 can be carried out more smoothly.

In this way, according to the present embodiment, the powdered detergent 51 can be supplied without leaving it in the hands of the user, and furthermore, in this structure, the peripheral wall 11 of the detergent storage section 7 is connected to the inner wall 9. Since it has a double wall structure with an outer wall 10 surrounding the outer periphery with a gap 13, even when the peripheral wall of the detergent storage section 7 is cooled, only the outer wall 10 is directly cooled.
The inner wall 9, which is separated from the outer wall 9 by an air layer formed by a gap 13, is not cooled much. Therefore, when used in a humid place such as a bathroom, even if dew condensation occurs on the inner surface of the outer wall 9, no condensation will occur on the inner surface of the inner wall 10, that is, the portion of the detergent reservoir 7 that comes into contact with the stored powder detergent 51. Even if something happens, it is very slight, and in this way, it is possible to prevent the stored powdered detergent 51 from clumping and becoming sticky as much as possible. Therefore, the above-mentioned supply of the powdered detergent 51 can be carried out very smoothly and reliably. In addition to this, the detergent storage section 7 having the peripheral wall 11 with a double wall structure has strong strength.
It can be made sturdy enough to withstand some rough handling.

In addition to the above, especially in the above embodiments,
By constructing both the inner wall 9 and the outer wall 10 of the detergent storage section 7 from transparent shells, the remaining amount of the stored powder detergent 51 can be determined at a glance from the outside, which is a further advantage.

However, the present invention is not limited only to the embodiment described in "2" and shown in the drawings, and therefore the inner wall 9 of the detergent reservoir 7
Also, the outer wall 10 does not necessarily need to be made of a transparent material. Further, the detergent receiving portion is not limited to the detergent receiving portion 33 formed on the rear panel 5 described above, but may also be a washing tub.
The powdered detergent 51 may be supplied directly into the washing tub without using water supply. Furthermore, the detergent dispensing member is not limited to the above-mentioned coil,
For example, it may be a conventional screw or valve. 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 wheel operating in a water supply channel.

The invention as a whole is not limited to washing machines, but can be similarly applied to all devices that function using powdered detergent, such as dishwashers.

In addition, the present invention can be practiced with appropriate changes in the attachment/detachability of the detergent reservoir 7, the presence/absence of the agitator 46, the presence/absence of the small lid 41, etc., without departing from the scope of the invention.

[Effects of the Invention] As is clear from the above description, the detergent supply device for a washing machine, etc. of the present invention is for supplying powdered detergent to a detergent receiving portion of a washing machine, etc. and a detergent dispensing member for dispensing the powdered detergent from the detergent reservoir toward the detergent receiving section, and a peripheral wall of the detergent reservoir is provided with a gap between an inner wall and an outer periphery of the detergent reservoir. It is characterized by having a double wall structure with an outer wall surrounding the detergent storage part, which prevents dew condensation on the inner surface of the detergent storage part as much as possible, so that the detergent powder does not harden or become sticky. It has an excellent effect of being able to supply the detergent smoothly and reliably, and it also has the effect of making the detergent storage part sufficiently strong and strong enough to withstand some rough handling.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; Fig. 1 is a longitudinal sectional front view of the main parts, Fig. 2 is an external perspective view of the upper part of the washing machine where the same parts exist, and Fig. 3 is the upper part of the washing machine. Figure 4 is an exploded perspective view of the attachment part of the detergent dispenser, Figure 5 is a longitudinal side view of the main part with the detergent reservoir removed, and Figure 6 is the same part. 7 is a perspective view of the small i itt body, and FIG. 8 is a longitudinal sectional front view of the main part in the middle of removing the detergent reservoir. In the drawing, 7 is a detergent storage part, 9 is an inner wall, 10 is an outer wall, and 11
1 is a peripheral wall, 13 is a gap, 22 is a detergent dispensing member, 25 is a motor, 29 is a driving gear, 30 is a driven gear, 33 is a detergent receiver, and 51 is a powdered detergent.

Claims (1)

[Claims] 1. A device for supplying powdered detergent to a detergent receiving portion of a washing machine, etc., which includes a detergent storage portion that accommodates and stores the powdered detergent, and a detergent storage portion that directs the powdered detergent from this detergent storage portion to the detergent receiving portion. and a detergent dispensing member for dispensing detergent, wherein the peripheral wall of the detergent storage part is constituted by a double wall of an inner wall and an outer wall surrounding the outer periphery of the detergent storage part with a gap therebetween. Device.