JP7174004B2 - washing machine - Google Patents

Description

The present invention relates to a washing machine for washing laundry.

In a vertical washing machine, in order to prevent windage loss due to dust accumulation in the air passage, water is sprayed from the cleaning means provided in the dehumidification duct toward the bellows tube that communicates the dehumidification duct and the air blowing means. There is one that effectively washes away the dust remaining in the air passage and suppresses the deterioration of the drying performance (see Patent Document 1).

JP 2015-58237 A

However, a stagnation part of the air duct is formed near the joint between the air duct and the bellows, and dust tends to accumulate there.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a washing machine capable of sufficiently cleaning the dust in the dust collecting portion.

The washing machine of the present invention, which solves the above problems, comprises an outer tub, an inner tub into which the laundry is put, an air blowing section for blowing air onto the laundry, an air passage connected to the air blowing section, and the inside of the air passage. and a dust collector for collecting a part of the washing water flowing for washing and flowing it to the air blowing path.

ADVANTAGE OF THE INVENTION According to this invention, the washing machine which can fully wash|clean the dust of the retention part where dust accumulates can be provided.

It is a figure explaining the structure of the washing machine which concerns on embodiment of this invention. It is the figure which showed the arrangement|positioning relationship of an outer tank, a dust collector, a duct cover, and a suction bellows. It is a figure which shows the perspective view of a dust collector. It is front sectional drawing in the attachment state of an outer tank, a dust collector, a duct cover, and a suction bellows.

Next, embodiments of the present invention will be described in detail with reference to the drawings as appropriate.

A washing machine according to an embodiment of the present invention is equipped with a dust collector and a water channel for supplying water to the dust collector, which will be described later. The dust collector and the water channel for supplying water to the dust collector will be described in detail.

<Washer/dryer>
FIG. 1 is a configuration explanatory diagram of a washing machine (washing/drying machine) according to an embodiment of the present invention.

As shown in FIG. 1, the washing/drying machine 1 is a vertical type washing machine (vertical type washing/drying machine) in which the rotation axis of a washing/drying tub 8 (inner tub) into which laundry is put is substantially vertical. A top cover 3 is provided on the upper part of the housing 2 of the washer/dryer 1 , and the top cover 3 is provided with an outer lid 4 . By opening the outer lid 4 to the rear side, the opening part 5 is opened, and clothes, etc. (laundry) can be taken in and out of the washing and dehydrating tub 8. - 特許庁

On the back side (rear side) of the top cover 3, there are provided a water supply hose connection port 6 from a water faucet and a water suction hose connection port (not shown) for sucking remaining bath water.

The washing/drying machine 1 includes a washing/dehydrating tub 8, an outer tub 9, a driving device 10, a detergent/finishing agent charging device 11, a water supply unit 7, a drying duct 12, and the like.

The washing and dewatering tub 8 has a cylindrical shape with a bottom, and has a body plate 8a made of a stainless steel plate or the like. A large number of through holes 8a1 (only some of which are shown) are formed in the body plate 8a for water flow and ventilation. The washing and dehydrating tub 8 has rotary blades 8b on its inner bottom surface.

The outer tub 9 has a cylindrical shape with a bottom, coaxially encloses the washing and dehydrating tub 8, and has an outer tub cover 9a on the top. A user of the washer/dryer 1 can put laundry in and out of the washing/drying tub 8 through the opening 5 by opening the outer lid 4 and the lid member 9b of the outer tub cover 9a.

The driving device 10 is arranged at the center of the outside of the bottom surface of the outer tub 9 . This driving device 10 has a motor 10a and a clutch mechanism 10b, and is configured such that a rotating shaft 10c of the driving device 10 penetrates the outer tub 9 and is coupled to the washing and dehydrating tub 8 and the rotary blades 8b. . The clutch mechanism 10b has a function of transmitting the rotational power of the motor 10a to at least one of the washing and dehydrating tub 8 and the rotary blades 8b.

The water supply unit 7 is provided on the back side of the top cover 3 . The water supply unit 7 supplies tap water from the water supply hose connection port 6 to the supply device 11 and the water cooling dehumidification mechanism (not shown). Further, the water supply unit 7 can inject tap water or bath water from the water supply hose connection port 6 into the outer tub 9 from between the outer tub 9 and the washing and dehydrating tub 8 via the water injection hose 13 . . The water supply unit 7 can also supply tap water from the water supply hose connection port 6 to the upper part of the washing and dewatering tub 8 via the washing hose 14 .

A depressed portion 15 provided on the bottom surface of the outer tub 9 communicates with a lower communicating pipe 16 . The lower communication pipe 16 is connected through a drain valve 17 so as to communicate with the washing water drain channel 18 .

A drain hose (not shown) is connected to the washing water drain path 18 for discharging the drain water to the outside of the machine.

Incidentally, by closing the drain valve 17, it becomes possible to store washing water and rinsing water in the outer tub 9. Also, by opening the drain valve 17 , the water (washing water, rinsing water) in the outer tub 9 can be drained out of the washer/dryer 1 through the washing water drain path 18 .

A drying duct 12, which is an air passage, is integrally installed on the back surface of the outer tub 9. As shown in FIG. A water cooling dehumidification mechanism (not shown) is built in the drying duct 12, and the water supply unit 7 supplies cooling water (tap water) to this water cooling dehumidification mechanism. The cooling water flows down along the wall surface (metal plate made of stainless steel or the like) of the drying duct 12, enters the depressed portion 15, passes through the lower communication pipe 16 and the washing water drainage channel 18, and is discharged out of the machine.

The outlet of the drying duct 12 is connected to the intake port of the fan 20 which is the air blower, and the outlet of the fan 20 is connected to the heater 21 . An outlet of the heater 21 is connected to a blowout nozzle 24 via a fan duct 22 and a rubber bellows tube 23 . That is, the fan 20, which is an air blower, blows air from the blow nozzle 24 onto the laundry put into the inner tub.

That is, when the fan 20 is driven, the air inside the outer tub 9 flows into the drying duct 12 . The air that has been water-cooled and dehumidified in the drying duct 12 is discharged from a fan 20, heated by a heater 21, and then turned into high-temperature, low-humidity air and blown out from a blowing nozzle 24 into the washing and dehydrating tub 8. be.

Although not shown, there is a temperature sensor between the lower communicating pipe 16 and the drain valve 17 for detecting the temperature of the washing water and the temperature of the air discharged from the washing water drain passage 18 during the drying operation. A sensor is provided.

The washing and dewatering tub 8 has a balance ring (also called a fluid balancer) 8c made of synthetic resin or the like on the upper edge of the body plate 8a. The balance ring 8c is configured by enclosing a fluid with a large specific gravity inside, and when the washing and spin-drying tub 8 rotates, the fluid moves within the balance ring 8c when eccentricity occurs due to the bias of the laundry. has a function of canceling eccentricity and maintaining rotational balance.

The outer tank cover 9 a has a substantially semicircular inlet and is attached to the upper edge of the outer tank 9 . A lid member 9b is attached to the inlet so that it can be opened and closed. Further, although not shown, a connection port to which the bellows tube 23 is connected and a connection port to which a cleaning hose 14 for cleaning the bath described later is connected are provided on the back side (rear side) of the outer tank cover 9a. .

A sprinkler device 25 is fixed to the lower surface of the outer tub cover 9a via a plurality of screws. The sprinkler device 25 is formed in a substantially annular shape, and is arranged so as to circulate along the peripheral edge of the outer tub cover 9a.

Also, the washer/dryer 1 collects part of the washing water flowing to clean the inside of the drying duct 12, which is an air passage, near the connection between the drying duct 12 and the suction bellows 28, and flows it into the air passage. A dust collector 26 is provided for washing the collected dust. Although the dust collector 26 in this embodiment is made of resin, it is not limited to this and may be made of other materials such as metal as long as predetermined mechanical strength and workability can be obtained. can.

FIG. 2 shows the arrangement of the outer tub 9, the dust collector 26, the duct cover 27 and the suction bellows 28. As shown in FIG. The dust collector 26 is attached so as to be sandwiched between the outer tank 9 and the duct cover 27 . Also, the dust collector 26 is provided in a partial area where the fan 20, which is an air blower, and the drying duct 12, which is an air passage, are connected.

FIG. 3 is a perspective view of the dust collector 26. FIG. The dust collector 26 has a slope 26a, which is a water collecting portion for collecting part of the washing water, and a hole for pouring a part of the collected washing water into a nozzle 26c, which is a dust collecting portion for collecting dust. 26b. The nozzle 26c is provided with a plurality of nozzles, and each nozzle has a structure in which the cross-sectional area becomes narrower toward the bottom, and has a comb-like shape.

This is because the wind circulating in the drying duct 12 flows from the bottom to the top in the figure, and the dust contained in the wind at that time stays in the nozzle 26c , which is the dust collection part (dust retention in FIG. 4). Part S). By daringly providing the nozzle 26c, dust is collected, and part of the washing water that has flowed to the slope 26a , which is the water collecting portion, is caused to flow through the hole 26b onto the surface of the nozzle 26c. , the dust retention portion S can be sufficiently cleaned.

FIG. 4 is a front cross-sectional view of the outer tub 9, the dust collector 26, the duct cover 27, and the suction bellows 28 attached. Further, W represents washing water, and S represents a dust retention portion. The cleaning water W flowing on the back side of the suction bellows 28 falls on the slope 26a of the dust collector 26 and is carried above the dust retention portion S. After that, the washing water W is poured into the dust retention portion S through the holes 26b formed in the dust collector 26. As shown in FIG. As a result, the dust retention portion S can be sufficiently cleaned. The cleaning water W is water for cleaning the air duct, not cooling water used during the drying operation.

1 washing and drying machine 2 housing 3 top cover 4 outer lid 5 opening 6 water supply hose connection port 7 water supply unit 8 washing and dewatering tub 9 outer tub 10 driving device 11 detergent input device 12 drying duct 13 water injection hose 14 washing hose 15 drop Part 16 Lower communication part 17 Drain valve 18 Washing water drainage channel 19 Corrugated pipe 20 Fan 21 Heater 22 Air duct 23 Corrugated pipe 24 Blow nozzle 25 Sprinkler 26 Dust collector 26a Slope 26b Hole 26c Nozzle 27 Duct cover 28 Suction bellows

Claims (1)

an outer tank;
an inner tub into which the laundry is put;
a blower for blowing air onto the laundry;
The air blowerair intake ofan air duct connected to
Provided in a partial area in the horizontal cross section of the portion where the air blower and the air passage are connected, a dust collector that collects part of the cleaning water flowing to clean the inside of the air passage and flows it into the air passage;
havedeath,
The dust collector isSaida water collection section for collecting a portion of the wash water;a dust collection unit that collects dust contained in the air flowing upward from below in the air passage;The water collected by the water collection unitSurface of dust collectorflush toholeWhen,ofYesdeath,
The dust collection part has a plurality of comb-like shapes with a cross-sectional area that narrows downward. ,washing machine.

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