JPH02299695A - Detergent feeder for laundry machine - Google Patents

Abstract

PURPOSE:To smoothly feed detergent to prevent the fed detergent from sliding down from a detergent receiver by tilting the detergent receiver by a prescribed angle during the feeding of detergent and providing a detergent sliding down preventing member. CONSTITUTION:A detergent receiver 29 is tilted by a prescribed angle during the feed of detergent and returned to an original feed stop position after the feed of the detergent is finished. At the upper part of the detergent receiver 29, a detergent sliding down preventing member 47 coming into close contact with or abutting against the upper face of the detergent receiver 29 to prevent the sliding-down of the detergent thereon when the detergent receiver 29 is returned to the feed stop position is provided. Thus, during the feeding of the detergent, the detergent receiver is tilted so that the detergent can be smoothly fed. After the feeding of the detergent, the detergent sliding-down preventing member 47 can prevent the sliding-down of the detergent on the detergent receiver.

Description

Detailed Description of the Invention [Objective of the Invention] (Industrial Field of Application) The present invention provides a method for transferring detergent dropped from a detergent outlet of a detergent storage case onto a detergent receiver from the detergent receiver, for example, into a washing tub. Washing machine 1 (.

This invention relates to a detergent supply device.

(Prior Art) Conventionally, for example, in a detergent (J) supply device of a washing machine, a detergent receiver is provided which slopes relatively steeply downward toward the detergent supply destination, for example, washing +11h, and a detergent storage case is provided. The detergent dropped onto the detergent receiver from the detergent outlet is washed away by the water flowing through the detergent receiver, and the detergent is supplied into the washing tub or the like.

(Section H, iJ to try to solve the invention or not) By the way, after the detergent supply is finished, washing, rinsing, dehydration, etc. are sequentially executed, but due to vibrations during this operation, the detergent in the detergent storage case is Detergent may spill out from the outlet.

In this case, with the conventional structure described above, the detergent receiver is in a downwardly inclined state even after the detergent (J) supply is completed, so that the detergent that spills from the detergent outlet onto the detergent receiver is directly spilled onto the detergent receiver. This had the disadvantage that it would slip off the top and fall into the washing machine, which would disturb the washing.

The present invention has been made in view of a series of circumstances, and its first object is to be able to smoothly supply detergent (11) during the supply of detergent, and to prevent the supply of detergent after supply is completed. To provide a detergent supply device for a washing machine or the like capable of preventing detergent spilled from an outlet onto a detergent receiver from slipping from the detergent receiver.

[Structure of the Invention] (Means for Solving the Problems) Detergent 1 for washing machines, etc. of the present invention (a supply device includes a detergent receiver provided below the detergent outlet of the detergent storage case, and In the detergent receiver, the detergent receiver is dropped from the detergent receiver to a predetermined supply location, and the detergent receiver is tilted by a predetermined angle while the detergent is being supplied. After one supply ends j', the original supply stops 1-
The detergent receiver is brought close to or in contact with the upper part of the detergent receiver so as to be returned to the supply stop position (1t1 and when the detergent receiver is returned to the supply stop position 1). Detergent sliding 1 which prevents the detergent from sliding down on the detergent receiver.
i, 11+l and part 4i are provided.

(Function) During the supply of detergent, the detergent receiver is tilted by a predetermined angle to improve the slippage of the detergent that has fallen onto the detergent receiver, thereby making the supply of detergent smooth. The IJ (IJ) is designed to return the detergent receiver to the original supply stop position 1-9 after supply is completed, or in this position, the detergent receiver's "double" is close to or in contact with the detergent slip prevention member. This prevents the detergent from sliding off the detergent receiver.

(Example) Hereinafter, an example in which the present invention is applied to a detergent feeding device of a fully automatic washing machine will be described with reference to the drawings.

First, in Figure 3, 1 is the outer box of the entire fully automatic washing machine, 2
The upper cover is attached to the outer box 1, and is provided with, for example, a bifold lid 3, an operation panel 4, and a rear panel 5, which is equipped with a power switch 6 and a detergent supply device. There are 7.

This detergent supply device 7, as shown in detail in FIG.
It mainly consists of a detergent storage case 10 which is double formed by an outer case 8 and an inner case 9, and the detergent storage case 10 has fixed claws]1 and d1 formed on the outer case 8.
It is removably attached to the rear panel 5 by means of an i+J movable pawl 13 formed on the removable push button 2. 1
4 is a lid for the entire detergent storage case 10. ] 5 is a detergent delivery section formed at the lower end of the inner case 9, and a coil-shaped detergent 1 supply device 16 is installed therein. Reference numeral 17 denotes a detergent agitating portion which is provided so as to be engaged with and rotated in the detergent delivery portion +A16. ]8 is the shaft of the detergent feeding part H16, to which the motor 20 transmits rotational force via a selective transmission groove 19, for example, with two types of gear sets having different reduction ratios. It has become. On the other hand, reference numeral 21 denotes a small lid which is provided with two parts pivoted to open and close the detergent outlet 15a at the tip of the detergent feeder 111 part 15, and a closing force is applied to this by a spring 22.

In contrast, 23 shown in FIG. 1 is a water supply valve 24 (seventh
This is a water injector that receives water supply from the washing tub (see figure) and injects it into the washing tub la, and has a large number of <LtiiH-shaped protrusions 25 inside, a water inlet 26 at the bottom, and The water spout 27 is painted white. Reference numeral 28 denotes a water passage guide disposed directly below the water passage port 27, and a fifth water passage guide is located further rearward of this.
A shovel-shaped detergent receiver 29, also shown in the figure, is pivotally supported by a shaft section '30 in the middle of its back so as to be movable up and down. Reference numeral 31 designates a portion of a lever extending further from the shaft portion 30 to the rear nozzle j, and its tip portion is loosely fitted into the lower end portion of the link 32.

This link 32 is connected to a claw tube attached to a crank 36 attached to the output shaft of a receiver drive unit 35 containing a motor 33 (see FIGS. 7 and 8), a deceleration mechanism (not shown), and a solenoid 34 (see the same figure). has been done. In addition, 3 shown in FIG.
Reference numeral 7 denotes four engaging parts formed at the rear end of the detergent receiver 29, which are adapted to be engaged from above with the engaging protrusions 38 protruding from the rear of the small lid 2.

In FIG. 7, numeral '39 is a microcomputer as a control device, to which signals are input manually from an input circuit 40 consisting of various switches. Further, from the three microcomputers, a drive circuit 4 for driving the motor 33 of the receiver drive unit 35 is provided.
1. A drive circuit 42 for driving the solenoid 34, and a drive circuit 43 for driving the motor 20 for driving the self-detergent delivery unit oil 16, and a drive circuit 44 for driving the water supply valve 24. An operation signal or 111 signal is input to each of them.

In addition to the motor 3B and the solenoid 34, the receiver drive unit B5 includes a motor 3 as shown in FIG.
There is a switch 45 connected in series with crank 3, which is normally closed and is connected to crank 3 as described below.
It is set to open when the 2nd limit position is reached.

Therefore, as shown in FIGS. 1 and 7, the water passage guide 28
is capable of vertically swinging around the support 28a, and when the two detergent receivers are tilted to the detergent supply position shown in FIG. Due to the biasing force, it becomes inclined downward (downward to the right in the figure), so that water flows toward the two detergent receivers. Furthermore, a rectangular plate-shaped detergent slip prevention part 47 is provided on the lower surface of the water flow guide 28 and protrudes downward. A gap sufficient for the detergent to fall (flow down) is formed between the detergent slip-off prevention part 47 and the detergent receiver 29. On the other hand, when the detergent receiver 29 returns to the No. 1 supply stop position (almost horizontal position) shown in FIG. Push this up,
The water flow guide 28 is swung upward about the shaft 28b to raise the rear side (right side in the figure) and prevent water from flowing toward the two detergent receivers. In this supply stop position I-position, as described above, the detergent slipping prevention part 47 or the detergent receiver 29
It comes into contact with the upper surface of the detergent receiver 29 to prevent the detergent from sliding off.

Furthermore, in this embodiment, as shown in FIG.
A third rib 50 is formed on two sides of the detergent receiver 29 between the first rib 48 and the second rib 49 that form the side walls on both sides, and parallel to these ribs. has been done. The detergent that falls from the detergent feed port 15a falls between the first rib 48 on the left side and the third rib 50 in the center, and the water flows as shown by arrow B in FIG. Guide 2
The water flowing out from the first rib 48a
and the third rib 50.

Further, the detergent slip prevention member 47 prevents the detergent from falling through the detergent flow passage 5 between the first rib 48 and the third rib 50 when detergent supply is stopped.
The width dimension is set so that the area 1 can be almost closed.

As shown in FIGS. 1 and 2, the detergent receiver 29 is provided with a spring 52 that biases it toward the supply stop position.

Next, the operation of the above structure will be described.

First, it is assumed that the detergent, especially the powdered detergent 46, is stored in the detergent storage case 10 (inner case 9) of the detergent supply device 7, and when the detergent is supplied, the water supply valve 24
Or 7u will be sent. Therefore, the water supply valve 24 is opened,
The water supplied through the water supply valve 24 passes through the water injector 23 and is supplied into the laundry tela from the 2I water port 26. Also, at the same time i and lr, water is also dropped onto the water guide 28 via the water port 27.

Subsequently, the motor 3 of the receiver drive unit 35
3 and the solenoid 34 are energized, the crank 36 is rotated and the link 32 is pulled up. Therefore,
The detergent receiver 29 is also tilted so that the lever part 31 is pulled up by the link 32 and the rear part is raised and the front part is tilted downward by approximately 45 degrees about the shaft part ]-30, as shown in FIG. Depending on the raised rear part, it engages with the engaging concave portion 37 or the engaging convex portion 38 of the small lid 21 from below to push it, and the small lid 2 ] is released. At this point, the portion of the engaging protrusion 38 that contacts the engaging recess 37 is oblique (not shown) to prevent the upward displacement of the rear part of the detergent receiver 29 in the opening direction of the small lid 2]. This changes the displacement to ensure that the opening is performed smoothly. In addition, when the two detergent receivers are tilted to the detergent supply position, the water passage guy +: 28 or its own weight or spring (
(not shown) moves backward due to the biasing force (downward to the right as shown)
The water that has fallen from the water inlet 27 as described above flows into the detergent receiver 2 as shown by arrows A, B, and C in FIG.
Flow into the inside. When the detergent receiver 29 reaches the detergent supply position, the crank 36 reaches the set upper limit position, and the switch 45 in the receiver drive unit 35 opens to cut off the power to the motor 33. However, the solenoid 34 remains energized, thereby holding the detergent receiver 29 in the detergent (J) dispensing position.

After a delay of about 2 to 3 seconds after this tilting to the detergent supply position, the motor 20 for driving the detergent feeder 141 member 16 is energized, and its rotational force is transmitted to the detergent feeder 114 member 16 via the transmission mechanism 19 to transmit it. Rotation, especially rotational drive in the spiral direction of the coil. Accordingly, based on this, the powdered detergent 46 in the detergent storage case 10 is advanced through the detergent feeding section 15, and is passed through the detergent feeding port 15a at the tip to the first rib 48 and the third rib of the detergent receiver 29. The detergent is dropped into the detergent flow path 5 between the ribs 50.

In this way, two detergent receptors 61. The detergent dropped into the side flow passageway 5 flows through the water flow guide 28 at 1110' and 28a.
From there, the water is washed away by the water flowing in the direction of arrows B and C in FIG. 2 and is supplied into the washing tub 1a. This place A? Since the two Ig agents are tilted, the flow of agents 6 to 5 in the detergent receiver 2 C1l is well controlled, and the Ig agents are smoothly supplied into the washing tub 1a.

Note that the detergent tray (* 29 is a detergent tray) in which a third rib 50 is formed between the first rib 48 and the second rib 40 forming both side walls of the detergent tray, and the first rib 48 and the third rib 50 are connected to each other. Since the space between the rib 50 and the detergent flow passage 51 is defined as the detergent flow passage 5]
The water that fell inside splashed and flew away from the third rib 50.
Even if the water is splashed, the splashed water will be received by the inside of the second rib 49 and will be concentrated in the wash tub 1a, thereby preventing the splashed water from splashing out. If this kind of effect is too bad, the third rib 50 can be omitted. The layer of water flowing through the detergent receptor 291 becomes thinner, and the force of the water that washes away the detergent becomes weaker, resulting in some detergent remaining and sticking to the detergent receiver 291.In this respect, in this embodiment, the detergent A third rib 50 is formed on the receiver 29 to form a detergent flow passage 51.
Because the width of the detergent receiver is narrow, a thick layer of water flows across the two detergent receptors, pushing the detergent and making it possible for the force of the flowing water to be strong enough to wash away any remaining detergent. This can simultaneously solve the problem of detergent left behind and the problem of splashing water.

On the other hand, if the set time has passed since the powder detergent 46 supply started, the solenoid 34 of the receiver drive unit 35
The motor 20 for driving the detergent feeder IJ' member 16 and the water supply valve 24 are each cut off - C1 As a result, the lj supply of the powdered detergent 46 is stopped, and the detergent receiver 29 is activated by the spring 52.
Return to the original supply stop position by the tensile force of i:. In this first supply stop position, the two faces of the detergent receiver come into contact with the lower end of the detergent slip prevention member 47 and push it, as shown in Figure 1. Swing the door 28 around the shaft 28a to the rear side (as shown in the figure).
) to block the flow of water to the detergent receiver 20 side. Then, this supply value [at the 1 position] is in a state where the detergent sliding contact member 47 is in contact with the top surface of the two detergent receivers, as if in a double series, so that the detergent is fed 111015 by vibration or the like.
Even if detergent spills from a onto the detergent receiver 29, the detergent slipping prevention part 1447 prevents the detergent from slipping into the washing machine. Now, when the detergent receiver 29 is returned to the (p4 supply stop position), the lower end of the detergent slip prevention part 47 is in "contact" with the detergent receiver 29, or is it in "contact"? However, the structure may be such that the detergent is placed close enough to prevent the detergent from falling off.Also, in the above embodiment, the detergent on the two detergent receivers is washed away with water, but it is possible to Raise the two detergent receivers at an angle so that the detergent can slide down.
You can get +1. In addition, in the two-layer embodiment, the detergent slip prevention member 47 was provided on the lower surface of the water passage guide 25.
It may also be configured to be provided at a location other than this.

In addition, the present invention is not limited to the embodiments shown in the drawings as described above, and is particularly applicable to the specific structure for tilting the detergent receiver 29, or to a dishwasher, etc. other than a washing machine. Applications and other aspects may be modified and implemented as appropriate without departing from the gist of the invention.

[Effects of the Invention] As is clear from the following description, the detergent supply device for washing machines, etc. of the present invention tilts the detergent receiver by a predetermined angle during the supply of detergent, and returns to the original supply after the supply is completed. When the detergent receiver is returned to the supply stop [- position], the detergent receiver is configured to be returned to the supply stop [- position], and the detergent receiver is arranged in an upper part of the detergent receiver to be close to or in contact with two surfaces of the detergent receiver when the detergent receiver returns to the supply stop [- position]. Since a detergent slip-off rainproof member is provided to prevent the detergent from sliding off the detergent receiver, it is possible to smoothly supply the detergent by tilting the detergent receiver while the detergent is being supplied, and also when the supply is finished. After that, the detergent slip prevention part can prevent the detergent from slipping off the detergent receiver, which is an excellent effect.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, and FIG. 1 shows the state when the supply of detergent is stopped. Figure 1 is a diagram equivalent to Figure 1 showing the state of 1, li, Figure 3 is a perspective view of the entire fully automatic washing machine, Figure 4 is a vertical folded view of the detergent supply device, and Figure 5 is a diagram of the same machine. A perspective view of the main parts, Fig. 6 shows the positional relationship between the detergent receiver and the water passage guide I. 1;.A side view, Fig. 7 is a block diagram showing the electrical configuration, and Fig. 8 shows the receiver drive. It is a circuit configuration diagram of the unit part. In the drawing, 7 is a detergent supply device, 1o is a detergent storage case,
'1.5 a is the detergent outlet, 16 is the detergent outlet, 20
is a motor, 23 is a water injector, 24 is a water supply valve, 28 is a water passage guide, 29 is a detergent receiver, 32 is a link, 33 is a motor,
35 is a receiver drive unit l-146 is a powder detergent (detergent),
47 is a detergent slip prevention part, 48 is a first rib, 49 is a second rib, 50 is a third rib, and 51 is a detergent flow path 1.

Claims (1)

[Claims] 1. A detergent receiver is provided below the detergent outlet of the detergent storage case, and the detergent dropped from the detergent outlet onto the detergent receiver is supplied by dropping from the detergent receiver to a predetermined supply location. In the detergent receiver, the detergent receiver is configured to be tilted by a predetermined angle while the detergent is being supplied, and returned to the original supply stop position after the detergent has been supplied, and the detergent receiver is provided with the detergent receiver at an upper portion thereof. A washing machine characterized by being provided with a detergent slip-off prevention member that comes close to or comes into contact with the upper surface of the detergent receiver to prevent the detergent from sliding off the detergent receiver when the detergent receiver returns to the supply stop position. Detergent supply device for machines etc.