JPH10156087A - Watering device for washing machine - Google Patents

Abstract

(57) [Summary] [PROBLEMS] In a water supply device of a washing machine for pouring rectified water into a washing tub at the time of washing or rinsing, regardless of the amount of water supply, the residual amount of the detergent put on the detergent inlet lid is removed. In addition, water can be injected over a wide range without impairing the aesthetics of the user regardless of the amount of water supply. SOLUTION: A detergent input lid 16 is provided so as to be openable and closable, and a water injection device 15 for injecting water into a washing and dewatering tub from an outflow port 17 is provided, and both wall surfaces of the outflow port 17 are formed by ribs 22 extending toward the washing and dewatering tub. It was done.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water supply device for a washing machine that pours rectified water into a washing tub during washing or rinsing.

[0002]

2. Description of the Related Art Conventionally, a washing machine generally has a structure as shown in FIGS. Hereinafter, the configuration will be described.

As shown in FIG. 6, a water receiving tub 1 includes a washing and dewatering tub (washing tub) 3 in which a pulsator 2 is rotatably disposed at the bottom, and is suspended on an outer frame 5 by a suspending rod 4. Has been lowered. The upper exterior body 6 is mounted on the upper part of the outer frame 5, and a cloth inlet 7 is formed substantially at the center of the upper exterior body 6, and the upper side is covered with the lid 8. An electromagnetic water supply valve 9 and a water injection device 10 are attached to the rear part of the upper exterior body 6, and are covered with a panel 11. Furthermore, the tip of the water supply hose 12 connected to the electromagnetic water supply valve 9 is connected to a water tap.

[0004] The water injection device 10 is for injecting water during washing and rinsing from the outflow port 13 into the washing and dewatering tub 3. As shown in FIG. The lid 14 is openable and closable, as indicated by a dashed line.

When the detergent input lid 14 is closed, water is poured into the washing and dewatering tub 3 from the lower end of the detergent input lid 14, and when the detergent input lid 14 is open, the detergent is poured onto the detergent input lid 14. Thus, the detergent is dissolved into the washing and dewatering tub 3 together with the washing water at the time of washing. When the water level reaches a predetermined level, the pulsator 2 is driven for washing. After the washing is completed and the high-concentration washing liquid is drained, in the rinsing step, water is accumulated in the water receiving tank 1 and the detergent component attached to the clothes is diffused in the rinsing water for dilution.

[0006]

In such a conventional structure, the detergent charging lid 14 is opened, a detergent is charged on the detergent charging lid 14, and the washing and dewatering tub is dissolved while the detergent is dissolved together with the washing water. When water is injected into the inside 3, the water may not be able to be injected over the entire surface of the detergent input lid 14 depending on the amount of water supply determined by the tap water pressure used.
There was a problem in that the detergent added above left undissolved residues, giving the user discomfort.

The present invention has been made to solve the above-mentioned problems, and eliminates the dissolution residue of the supplied detergent irrespective of the amount of water supply, and does not impair the aesthetics of the user regardless of the amount of water supply, over a wide range. It is intended to be able to inject water.

[0008]

In order to achieve the above-mentioned object, the present invention comprises a water injection device provided with a detergent input lid which can be opened and closed to inject water into a washing tub from an outlet, and a washing tub provided with both walls of the outlet. It is formed by a rib spreading toward.

[0009] Thus, regardless of the amount of water supply, it is possible to eliminate the remaining residue of the supplied detergent, and without impairing the aesthetics of the user regardless of the amount of water supply.
Water can be injected over a wide area.

[0010]

DETAILED DESCRIPTION OF THE INVENTION The invention according to claim 1 of the present invention is provided with a water injection device which is provided with a detergent charging lid so as to be openable and closable, and injects water into a washing tub from an outlet. It is formed by a rib which spreads toward the washing tub, and by spreading both wall surfaces of the outlet of the water injection device toward the washing tub, the water injection flow rectified from the water injection device and injected into the washing tub along the rib. It can be diffused, and when the detergent charging lid is opened, water can be poured through the entire surface of the detergent charging lid, so that the residual residue of the detergent charged on the detergent charging lid can be eliminated, Irrespective of the amount of water supply, water can be injected over a wide range without impairing the aesthetics of the user.

According to a second aspect of the present invention, in the first aspect of the present invention, the ribs formed on both wall surfaces of the outlet are inscribed in the inner wall surface of the detergent charging lid.
The gap between the outer surface of the rib and the inner surface of the detergent input lid can be eliminated, preventing water from overflowing between the outer surface of the rib and the inner surface of the detergent input lid even when the amount of water supply is large. In addition, noise caused by the vibration of the detergent input lid can be suppressed.

According to a third aspect of the present invention, in the first or second aspect of the present invention, a front wall for closely attaching the front surface of the water injection device is provided on the upper exterior body on which the water injection device is mounted, and both of the outlets are provided. The rib formed on the wall surface is higher than the lower end surface of the front wall, and water injected from the water injection device into the washing tub hits the front wall, suppresses the force of the water, and passes under the lower end surface of the front wall. Water is poured into the washing tub. At this time,
Because the ribs are higher than the lower end of the front wall, water does not exceed the ribs, preventing water leakage from the gap between the ribs and the inner wall surface of the detergent charging lid regardless of the amount of water supply. As a result, it is possible to eliminate dripping or stringing and obtain a water injection pattern that does not impair the aesthetic appearance.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

(Embodiment 1) As shown in FIGS. 1 to 3,
The water injection device 15 is provided with a detergent input lid 16 so as to be openable and closable, and injects water into the washing and dewatering tub (washing tub) 3 from an outlet 17, and has a storage box 18 with a front opening. Storage box 18
An inlet 19 is formed in the rear side wall, the bottom surface 20 of the storage box 18 is inclined forward, and the substantially concave portion 21 is formed in the bottom surface 2.
0 and are formed integrally. Both wall surfaces of the outlet 17 are formed by ribs 22 that radially extend toward the washing and dewatering tub 3.

The water injection device 15 is connected to the front wall 2 of the exterior body 23.
4 is attached to the exterior body 23 so as to be in close contact with the outer body 4. At this time, the front opening of the storage box 18 is
The outlet 17 is formed as a non-contact portion only below. The lower end surface of the front wall 24 has a substantially straight portion 25 in the center, and a curved portion 26 is formed substantially symmetrically on both sides of the substantially straight portion 25 to form an inverted convex shape. The water injection device 15 is configured to be located below the bottom surface portion 20.

The detergent input lid 16 is rotatable by fitting a C-shaped fitting portion 28 provided on the detergent input lid 16 to a substantially cylindrical convex portion 27 provided at the lower part of the front surface of the storage box 18. attachment,
A claw portion 29 that can be hooked on the front wall 24 is provided at an upper portion of the detergent input lid 16 on the opposite side of the rotation fulcrum so that the detergent input lid 16 can be opened and closed. The electromagnetic water valve 9 attached to the rear part of the exterior body 23 communicates with the inflow port 19 through an inflow hose 30.

In the above configuration, tap water flows into the electromagnetic water supply valve 9 through the water supply hose 12 at the time of washing and rinsing, and is rectified in the water injection device 15 through the inflow hose 30, and then is washed out and discharged from the outlet 17. Water is injected into the water tank 3.

Here, by forming both wall surfaces of the outlet 17 radially toward the washing and dewatering tub 3 by the ribs 22, the flow of water from the water injection device 15 into the washing and dewatering tub 3 is prevented. The detergent can be diffused along the ribs 22, and the detergent can be supplied with the detergent
When placed in the outlet 17 regardless of the level of tap water pressure
The water can be spread over the detergent input lid 16 having a width wider than the width of the above, and the detergent on the detergent input lid 16 can be poured into the washing and dewatering tub 3 while dissolving all of the detergent. In addition, when the detergent input lid 16 is closed, water can be injected over a wide range, and it is possible to prevent splashing and splashing of water from the clothing due to concentration of the water injection flow.

(Embodiment 2) As shown in FIGS. 4 and 5, the height H of the rib 22 forming both wall surfaces of the outlet 17 of the water injection device 15 is higher than the height h of the lower end surface of the front wall 24. The rib 22 is formed in a U shape so as to be inscribed in the inner wall surface 31 of the detergent input lid 16. The ribs 22 are projected at the same height so that the front end surface 32 abuts on the inner surface 33 of the detergent input lid 16 when the detergent input lid 16 is closed. Other configurations are the same as those in the first embodiment.

In the above configuration, the water injected from the water injection device 15 into the washing and dewatering tub 3 hits the front wall 24, suppresses the force of the water, passes under the lower end surface of the front wall 24, and enters the washing and dewatering tub 3. Water is injected. At this time, the height H of the rib 22 forming both wall surfaces of the outlet 17 of the water injection device 15 is changed to the front wall 2.
4 is higher than the height h of the lower end face of
2, water leakage from the gap between the rib 22 and the inner wall surface 31 of the detergent input lid 16 can be prevented regardless of the amount of water supply, and the dripping and stringing can be prevented. Thus, a water injection pattern that does not impair the aesthetic appearance can be obtained.

Further, since the rib 22 is inscribed in the inner wall surface 31 of the detergent charging lid 16, a gap between the outer surface of the rib 22 and the inner wall surface 31 of the detergent charging lid 16 can be eliminated. When the amount of water supply is large, it is possible to prevent water from overflowing from between the outer surface of the rib 22 and the inner wall surface 31 of the detergent charging lid 16. Further, in any state of opening and closing of the detergent input lid 16, the rib 22 of the water injection device 15 is inscribed in the inner wall surface 31 of the detergent input lid 16,
The contact surface with the detergent input lid 16 can be increased, and noise and noise from the detergent input lid 16 at the time of product vibration during a dehydration process or the like can be prevented.

Further, since the front end surface 32 of the rib 22 is brought into contact with the inner surface 33 of the detergent input lid 16 in the closed state of the detergent input lid 16, the detergent input lid 16 is closed and the water supply amount is large. The ribs 22 and the inner surface 33 of the detergent
It is possible to eliminate the dripping and stringing caused by the overflowing water flowing from between.

[0023]

As described above, according to the first aspect of the present invention, a detergent pouring lid is provided so as to be openable and closed, and a water pouring device for pouring water from the outlet into the washing tub is provided. Because the wall was formed by ribs that spread toward the washing tub,
Since the water flow rectified from the water injection device and injected into the washing tub can be diffused along the ribs, and when the detergent charging lid is opened, water can be injected through the entire surface of the detergent charging lid. In addition to dissolving the remaining residue of the detergent put on the detergent input lid, it is possible to spray water while diffusing into the washing tub regardless of the amount of water supply with the detergent input lid closed. Without compromising the beauty of
Water can be injected over a wide area.

According to the second aspect of the present invention, the ribs formed on both wall surfaces of the outlet are inscribed in the inner wall surface of the detergent charging lid. The gap between the wall and the wall can be eliminated, and even when the amount of water supply is large, water can be prevented from overflowing between the outer surface of the rib and the inner wall surface of the detergent charging lid. It is possible to determine the flow path of the water injection flow, eliminate the undissolved residue of the detergent placed on the detergent charging lid, and suppress noise due to the vibration of the detergent charging lid.

According to the third aspect of the present invention, a front wall having the front surface of the water injection device adhered to the upper exterior body on which the water injection device is mounted is provided, and the ribs formed on both wall surfaces of the outlet are provided with the ribs. Because it is higher than the lower end face of the front wall, water injected from the water injection device into the washing tub does not exceed the ribs, and water leakage from the gap between the ribs and the inner surface of the detergent input lid regardless of the amount of water supply. It is possible to prevent water dripping and stringing, and to obtain a water injection pattern that does not impair the aesthetic appearance.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a water supply device of a washing machine according to a first embodiment of the present invention.

FIG. 2 is a plan view showing an opened state of a detergent input lid of the water supply device of the washing machine.

FIG. 3 is a longitudinal sectional view of the washing machine provided with the water supply device of the washing machine.

FIG. 4 is a front view of a water supply device of a washing machine according to a second embodiment of the present invention in an opened state of a detergent input lid.

FIG. 5 is a perspective view of a main part of a water supply device of the washing machine.

FIG. 6 is a longitudinal sectional view of a washing machine provided with a conventional water supply device of the washing machine.

FIG. 7 is a partially cutaway sectional view of the water supply device of the washing machine.

[Explanation of symbols]

 3 Washing and dewatering tub (washing tub) 15 Water injection device 16 Detergent charging lid 17 Outflow port 22 Rib

Claims (3)

[Claims] 1. A water supply device for a washing machine, comprising a water injection device provided with a detergent input lid openably and closably injected into a washing tub from an outlet, and both wall surfaces of the outlet formed by ribs extending toward the washing tub. 2. The water supply device for a washing machine according to claim 1, wherein ribs formed on both wall surfaces of the outlet are inscribed in an inner wall surface of the detergent charging lid. 3. An upper exterior body on which the water injection device is mounted, a front wall for closely adhering the front surface of the water injection device, and ribs formed on both wall surfaces of the outlet are higher than a lower end surface of the front wall. 3. The water supply device for a washing machine according to 2.