JP3508299B2 - Watering device for washing machine - Google Patents

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 in which water is supplied from three water supply devices by two electromagnetic water supply valves.

[0002]

2. Description of the Related Art Conventionally, for example, a washing machine equipped with a finishing agent feeding device has finished a washing step, rinses a plurality of times in the next step, and feeds a finishing agent at the time of water injection in the final rinse. Hereinafter, the configuration of the finishing agent feeding device will be described with reference to FIG.

As shown in the figure, the water injection device 1 supplies water from a first electromagnetic water supply valve 2a through a detergent case 3 to a washing tub (not shown) through a water injection port 4. If it does, it also serves as a detergent dosing device. The finishing agent feeding device 5 sets a finishing agent such as a bleaching agent, a softening agent, an antistatic agent, a wrinkle removing agent in advance, and water is supplied from the second electromagnetic water supply valve 2b. When a predetermined amount of water is supplied, the siphon is supplied. In principle, the finishing agent is put into the washing tub.

[0004]

However, in such a conventional structure, in addition to the normal water supply and the water supply for the addition of the finishing agent, the water supply means is provided for improving the cleaning performance or the rinsing performance. There is a problem that if one more path is added, a three-way electromagnetic water supply valve that can independently control three paths is required, and if it is used, a larger storage space is needed and the cost becomes higher.

The present invention solves the above-mentioned problems, and allows two electromagnetic water supply valves to independently supply water to the water supply passages of three paths and to easily supply water to the first water supply device.
The first purpose is to be able to do so.

A second object of the present invention is to improve the washing performance and the rinsing performance by allowing water to be sprayed in addition to the normal water supply and the water supply for adding the finishing agent.

Further, while achieving the above first or second object, it has to be a configuration that physically controls the opening and closing of the valve that controls the water supply to the third water supply device as a third object of.

A fourth object of the present invention is to achieve the above third object and to facilitate cleaning and maintenance of water stains, iron rust, etc. clogged inside the water supply control unit for the third water supply device. There is.

A fifth object of the present invention is to achieve the above first to fourth objects, and to use the water pressure of one of the electromagnetic water supply valves to shut off the water supply to the third water supply apparatus. There is.

A sixth object is to achieve the above first to fifth objects, and to surely supply water to the third water supply apparatus without leaking to the outside .

[0011]

In order to achieve the above first object, the present invention provides water supply by opening a first electromagnetic water supply valve.
The first water supply device for supplying water to to the washing and dewatering tank, feeding the washing and dewatering tank watered by opening the second solenoid supply valve
A second water supply device for water, feed from the first solenoid supply valve
The third which is supplied through the water hole to the washing and dehydrating tub
Water supply device and a valve that controls opening and closing of the water supply hole, and when the first electromagnetic water supply valve is opened, the first water supply
The valve is closed by water pressure in the device, and the third water supply device
Shut off the water supply to the valve and open the first electromagnetic water supply valve.
When the second electromagnetic water supply valve is opened when
The valve is opened by the water pressure in the second water supply device,
The third water supply from the electromagnetic water supply valve 1 through the water supply hole
The first problem solving means is configured to supply water to the device .

In order to achieve the second object, the first water supply device, the second water supply device and the third water supply device of the first problem solving means are a water injection device, a water spray device and a finisher. The second problem solving means is that one of the charging devices is used.

[0013] In order to achieve the third object, in addition to the first or second problem solving means comprises a piston for opening and closing the valve, when open the second solenoid water valve, the
The third problem solving means is configured such that the piston is driven by the water pressure in the water supply device 2 to open the valve.

Further, in order to achieve the fourth object, in the third problem solving means, the valve and the piston for controlling the water supply to the third water supply device are integrally made detachable. Is used as a means for solving the problem.

In order to achieve the fifth object, in the means for solving the problems according to any one of the first to fourth aspects, the valve is constituted by a spherical object capable of closing the water supply hole. It is used as a means for solving problems.

In order to achieve the sixth object, in any one of the means for solving problems according to any one of the first to fifth aspects, the provision of a substantially cylindrical water supply passage in the water supply hole solves the sixth problem. As a means .

[0017]

According to the first means for solving the above problems, the present invention provides:
When the first electromagnetic water supply valve is opened, the third water supply device (finish
A valve for controlling the water supply to the supply agent is provided as the first water supply device.
Closed by the water pressure in the storage (water injection device) to the third water supply device
When shutting off the water supply to the third water supply device,
With the electromagnetic water supply valve 1 opened, open the second electromagnetic water supply valve.
Opening and supplying water from the second water supply device (sprinkler)
First, the valve is opened by the water pressure in the second water supply device,
From the third water supply device through the water supply hole from the electromagnetic water supply valve of
Since water can be supplied, water can be supplied to the three water supply paths by two electromagnetic water supply valves, and a large storage space is not required, and the cost can be reduced.

Further, by the second means for solving the problems, water is supplied to the water injection device for normal water supply, water is supplied to the water spray device for water spray at the time of rinsing, and water is supplied for supplying the finishing agent. It is possible to improve washing performance and rinsing performance.

Further, according to the third means for solving the problems, when the first electromagnetic water supply valve is opened, the valve for controlling the water supply to the third water supply device (finishing agent feeding device) is the first water supply device (note
Close the pressure of the water system) in blocking the water supply to the third water supply apparatus, when supplying water to the third water supply device, a first conductive
With the magnetic water supply valve opened , the second electromagnetic water supply valve is opened to supply water from the second water supply device (sprinkler) ,
The valve can be physically opened by projecting the piston by the water pressure in the second water supply device, and water can be supplied from the third water supply device via the water supply hole from the first electromagnetic water supply valve.

Further, according to the means for solving the fourth problem, the third
By integrating the valve that controls the water supply to the water supply device and the piston so that it can be detached, the integrated one can be easily removed, and cleaning and maintenance such as water stains and iron rust stuck inside can be done. can do.

According to the fifth means for solving the problems, the spherical object is used as a valve for controlling the water supply to the third water supply device (finishing agent feeding device), so that the spherical object is made into a soft water supply hole by water pressure. When pressed, the flexible water supply holes are crushed and the water-stop performance can be improved.

According to the sixth means for solving the problems, the water supply hole for supplying water to the third water supply device (finishing agent introducing device) is provided with a substantially cylindrical water supply passage, so that the water discharged from the water supply hole is externally supplied. It is possible to reliably supply water to the third water supply device without leaking to the third water supply device. Further, even when the water pressure is low and the flow rate is low, the water can be reliably guided and supplied to the third water supply device by the substantially cylindrical water supply passage .

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
Will be described with reference to. The same components as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the water injection device (first water supply device) 1 controls the water supply by the first electromagnetic water supply valve 2a and injects water into the washing and dehydrating tub 6. Sprinkler (second water supply device)
7, the water supply is controlled by the second electromagnetic water supply valve 2b so that water can be poured into the washing / dehydrating tank 6 and also water can be sprayed for multiple purposes. , Finishing agent feeding device (third water supply device)
A finishing agent such as a bleaching agent, a softening agent, an antistatic agent, a wrinkle removing agent is set in advance in 5, and when water is supplied to the finishing agent feeding device 5, the finishing agent is fed to the washing / dehydrating tank 6. It is configured to.

The water injection device 1 is provided with a piston 8 and a water supply hole 9, and the water supply hole 9 is a hole for supplying water to the finisher injection device 5 provided together with the water injection device 1, and this water supply port 9
A valve 10 is provided opposite to.

In the above structure, the first electromagnetic water supply valve 2a
When opened, the water is supplied to the water injection device 1, and at the same time, the valve 10 is closed by the water pressure in the water injection device 1, so that the finishing agent feeding device 5
Shut off water supply to. In that state, the second electromagnetic water supply valve 2b
When opened, water is supplied to the sprinkler 7, and the water pressure in the water injection device 1 causes the piston 8 to project to open the valve 10 as shown in FIG. Will be supplied with water.

In this way, the first electromagnetic water supply valve 2a and the second electromagnetic water supply valve 2a
Only when both of the electromagnetic water supply valves 2b of 1 are opened, water is supplied to the finish agent introducing device 5, and when only the second electromagnetic water supply valve 2b is opened, water is supplied to the sprinkler device 7 and, at the same time, the piston 8 is supplied by the water pressure. Is opened and the valve 10 is opened,
Since the water injection device 1 is not supplied with water, the finishing agent feeding device 5 is not supplied with water.

Although the second electromagnetic water supply valve 2b is used as the water supply means for the water sprinkler 7 in this embodiment, it can be used as a multipurpose water supply means. Further, the first water supply device is the water injection device, the second water supply device is the water sprinkler device, and the water supply device of the stage 3 is the finish agent feeding device, but the combination thereof is not limited to this.

Next, a second embodiment of the present invention will be described with reference to FIGS. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, a spherical object 12 is movably provided in the water injection device 1, a soft rubber packing 13 is provided in the water supply hole 9, and the spherical object 12 constitutes a valve 14.

In the above structure, when water is supplied to the water injection device 1, the spherical object 12 is rubber-packed by the water pressure.
The rubber packing 13 is squeezed to stop the water and stop the water supply to the finishing agent feeding device 5. Second in that state
When the electromagnetic water supply valve 2b is opened, water is supplied to the water sprinkler 7, and the piston 8 is projected by the water pressure through the pipe 11 to remove the spherical object 12 from the rubber packing 13, as shown in FIG. The water inside is supplied to the finishing agent feeding device 5.

In this embodiment, the rubber packing 13 is used.
Is soft, but even if the spherical object 12 is soft,
The same water blocking effect can be obtained.

Next, a third embodiment of the present invention will be described with reference to FIGS. 6 to 8. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 6, the water inlet 9 of the water injection device 1
A substantially cylindrical water supply passage 15 is provided in the above, and the water supply passage 15 is formed above the finishing agent feeding device 5, and the finishing agent feeding device 5
When water is supplied to the finisher, the water discharged from the water supply hole 9 does not leak to the outside and can be reliably supplied to the finishing agent feeding device 5 via the water supply passage 15. Further, even when the water pressure is low and the flow rate is low, the water can be reliably guided and supplied to the finishing agent introducing device 5 by the water supply passage 15.

As shown in FIG. 7, the valve 14 and the piston 8 for controlling the water supply to the finishing agent feeding device 5 are integrated so as to be detachable. This makes it possible to easily remove the integrated product,
Cleaning and maintenance such as iron rust can be performed.

Next, when the first electromagnetic water supply valve 2a is opened, water is poured into the washing / dehydrating tank 6 via the detergent case 2 of the water injection device 1. At this time, in order to prevent the water in the detergent case 2 from crossing over the wall 16 between the water injection device 1 and the finishing agent feeding device 5 and infiltrating into the finishing agent feeding device 5, overflow water ditch on the detergent case 2 side. 17 is provided, and the water is made to flow downward from the overflow water groove 17 before getting over the wall 16.

Further, as shown in FIG. 8, the finishing agent feeding device 5 is provided with a pipe 18 penetrating therethrough, and a finishing agent feeding device lid 20 provided with a pipe 19 so as to surround the pipe 18. Place the pipe 18 and pipe 19
A gap is formed between them so that the liquid laundry finishing agent in the finishing agent feeding device 5 can be fed through the pipe 18.

With this construction, first, the liquid laundry finishing agent is set up to the line A of the finishing agent feeding device 5, and when the liquid laundry finishing agent is fed at any step of the entire washing process, the finishing agent feeding is performed. When water is supplied to the device 5 up to the B line, the liquid type laundry finishing agent comes out from the pipe 18, and the liquid type laundry finishing agent in the finishing agent feeding device 5 can be sucked up and fed by the siphon principle.

Further, by providing plate-like turbulent flow plates (rectifying means) 21 under the water injection device 1 and the finisher injection device 5, respectively, at the time of water injection, water is a layer in which the plate-like turbulence plate 21 is formed Since the water is poured through the turbulent flow plate 21, it is turbulently flowed by the plate-like turbulence plate 21, and the liquid-based laundry finishing agent discharged from the pipe 18 is dropped into the turbulent water flow, mixed and diluted with water, and the liquid-based laundry finishing agent Can be input.

Next, a fourth embodiment of the present invention will be described with reference to FIG. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the piston 22 is provided with a plurality of holes 23, and the holes 25 of the piston 22 are provided with a plurality of holes 24 in the cylinder 25. When the piston 22 is operated by the water pressure, the holes 23 and 24 are communicated with each other, and the water is supplied to the finishing agent feeding device 5 through the holes 23 and 24.

With this configuration, the water stop performance at the time of shutting off the water supply to the finishing agent feeding device 5 can be further improved.

In each of the above embodiments, the first water supply device, the second water supply device, and the third water supply device are the water injection device, the water spray device, and the finishing agent injection device, respectively, but this combination is limited. Not something.

In each of the above embodiments, the washing machine has been described, but it goes without saying that the present invention can be applied to equipment such as a dishwasher that supplies water.

[0045]

As described above, according to the present invention, the first water supply device for supplying water by opening the first electromagnetic water supply valve to supply water to the washing / dehydrating tank, and the second water supply valve for opening water before supplying water are provided.
A second water supply device for supplying water to the washing and dehydrating tub, and the first water supply device
Water is supplied through a more water supply hole of the solenoid water valve the washing and dewatering
Open and close the third water supply device that supplies water to the water tank and the water supply hole.
And a valve that controls the opening of the first electromagnetic water supply valve.
When the water pressure in the first water supply device causes the valve to close,
The water supply to the third water supply device is shut off, and
The second electromagnetic water supply valve with the electromagnetic water supply valve being opened.
When the valve is opened, the water pressure in the second water supply device causes the valve to
Through the water supply hole from the first electromagnetic water supply valve.
Since it is configured to supply water to the third water supply device ,
By two electromagnetic supply valve can be water in the water supply passage of the third path, without taking a large storage space and it can be inexpensively DOO
Reliably control the water supply and shutoff to the third water supply device
You can do it .

Further, since the first water supply device, the second water supply device and the third water supply device are any of the water injection device, the water sprinkler device and the finishing agent injection device, water is supplied to the water injection device for normal water supply. It is possible to supply water to the sprinkler for sprinkling at the time of rinsing and to supply the finishing agent,
Washing performance and rinsing performance can be improved.

Further, a piston for opening and closing the valve is provided, and the second
When the solenoid water valve to open, because by the water pressure in the second water supply device to drive the piston and configured to open the valve, opening of the valve that controls the water supply to the third water supply device and It is possible to ensure the interruption.

Further, since the valve for controlling the water supply to the third water supply device and the piston are integrated and detachable, the integrated product can be easily removed, and the scales and iron rust clogged inside. It can be cleaned and maintained.

Further, since the valve is constituted by a spherical body capable of closing the water supply hole, the spherical body of the valve for controlling the water supply to the third water supply device is brought into pressure contact with the soft water supply hole by water pressure,
The soft water supply hole is crushed and the water stopping performance can be improved.

Further, since the water supply hole is provided with a substantially cylindrical water supply passage, the water discharged from the water supply hole does not leak to the outside and the water can be reliably supplied to the third water supply device.
Further, even when the water pressure is low and the flow rate is low, the water can be reliably guided and supplied to the third water supply device by the substantially cylindrical water supply passage .

[Brief description of drawings]

FIG. 1 (a) is a partially cutaway top view of a water supply device for a washing machine or the like according to a first embodiment of the present invention (b) is a cross-sectional view of the water supply device for the same washing machine, etc. Side sectional view of water supply device

FIG. 2 is a sectional view of a washing machine including a water supply device such as the washing machine.

FIG. 3 is an enlarged cross-sectional view of a main part of a water supply device for the same washing machine.

FIG. 4 (a) is a partially cutaway top view of a water supply device for a washing machine or the like according to a second embodiment of the present invention (b) is a cross-sectional view of the water supply device for the same washing machine, etc. (c) Side sectional view of water supply device

FIG. 5 is an enlarged cross-sectional view of main parts of a water supply device for the washing machine and the like

FIG. 6 (a) is a partially cutaway top view of a water supply device for a washing machine or the like according to a third embodiment of the present invention (b) is a cross-sectional view of the water supply device for the same washing machine, etc. (c) Side sectional view of water supply device

FIG. 7 (a) is an enlarged sectional view of an essential part of a water supply device of the same washing machine and the like (b) is an enlarged side sectional view of an essential part of the water supply device of the same washing machine

FIG. 8 is an enlarged cross-sectional view of main parts of the water supply device for the washing machine and the like

FIG. 9 (a) is an enlarged sectional view of an essential part of a water supply device for a washing machine and the like according to a fourth embodiment of the present invention.

FIG. 10 (a) is a top view of a conventional water supply device such as a washing machine. (B) Cross-sectional view of the water supply device such as the washing machine (C) Side sectional view of the water supply device of the washing machine

[Explanation of symbols]

1 Water injection device (first water supply device) 2a First electromagnetic water supply valve 2b Second electromagnetic water supply valve 5 Finishing agent charging device (third water supply device) 7 Sprinkler (second water supply device)

─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Mikio Nakano 7-6 Tonoshima-cho, Kadoma-shi, Osaka Prefecture Excel Techno Co., Ltd. (56) References JP-A-54-147659 (JP, A) JP-A-3- 153981 (JP, A) (58) Fields surveyed (Int.Cl. ⁷ , DB name) D06F 39/08 D06F 39/02

Claims (6)

(57) [Claims] 1. Water is supplied by opening the first electromagnetic water supply valve.
A first water supply device for supplying water to the washing / dehydrating tub, a second water supply device for supplying water to the washing / dehydrating tub by opening a second electromagnetic water supply valve, and the first electromagnetic device Water supply hole from water supply valve
A third water supply device for supplying water to the washing / dehydrating tank via a water supply device and a valve for controlling opening / closing of the water supply hole ,
When the first electromagnetic water supply valve is opened, inside the first water supply device
To close the valve by the water pressure of the
Water was shut off and the first electromagnetic water supply valve was opened.
In this state, when the second electromagnetic water supply valve is opened,
The valve is opened by the water pressure in the water supply device of No. 2, and the first electric power is supplied.
From the magnetic water supply valve to the third water supply device through the water supply hole
A water supply device for a washing machine configured to supply water. 2. A first water supply device, a second water supply device, and a third water supply device.
2. The water supply device for a washing machine according to claim 1, wherein the water supply device is any one of a water injection device, a water sprinkler device, and a finishing agent injection device. 3. A comprising a piston for opening and closing the valve, when open the second solenoid water valve, configured to cause the second of said valve by driving the piston by the water pressure in the water supply device opening
Forming the washing machine water supply apparatus according to claim 1 or 2. 4. A valve for controlling water supply to a third water supply device,
The washing according to claim 3, wherein the piston is integrated and detachable.
Water supply device for rinsing machine. 5. A valve, washer water supply apparatus according to any one of claims 1 to 4, the water supply hole is constituted by closable spheres thereof. 6. The washing machine water supply apparatus according to any one of claims 1-5 having a substantially cylindrical water supply passage to the water supply hole.