CN103249888A

CN103249888A - Washing machine

Info

Publication number: CN103249888A
Application number: CN2011800587388A
Authority: CN
Inventors: 田中拓马
Original assignee: Sharp Corp
Current assignee: Sharp Corp
Priority date: 2010-12-20
Filing date: 2011-11-16
Publication date: 2013-08-14
Anticipated expiration: 2031-11-16
Also published as: JP2012130422A; JP5253488B2; WO2012086343A1; CN103249888B

Abstract

Disclosed is a washing machine provided with a circulating water channel (70) which returns standing water inside a washing tub (2) into a rotating drum (3) by applying pressure on the standing water by a circulating pump (71), wherein a nozzle portion (8) which is provided on a circumferential upper portion of a front opening of the washing tub (2) is connected to the circulating pump (71) through a circulating water hose (72) and is provided with a first injection port (85) and a second injection port (86). The first injection port (85) opens toward the vicinity of an insertion port of the rotating drum (3), the second injection port (86) opens toward a bottom of the rotating drum (3), and circulating water injected by the first and second injection ports is supplied inside the rotating drum (3) in a state of being spread in the shaft length direction. In the washing machine, circulating water can be supplied inside the whole of the rotating drum (3) and a washing or rinsing effect by the action of circulating water can be enhanced by a simple configuration.

Description

Washing machine

Technical field

The present invention relates to a kind of washing machine, this washing machine has circulating water channel, recycles the storage of water in the sink in washing or rinsing running.

Background technology

In recent years the tumbling-box washing machine of extensively popularizing is that the sink that bottom tube-like is arranged is supported the peristome that makes the one side for towards laterally or the posture that is tilted to, and in the inside of this sink at the coaxial cylinder that is supported with bottom tube-like freely that rotates.Cylinder have with the peristome of the sink input port with side opening.Washings is put into the inside of cylinder through the input port, is immersed in the inner storage of water, utilizes the rotation of cylinder to make washings be lifted repeatedly and fall, and washs (washing and rinsing), through after dehydration and drying finish.

The washing machine major part of this drum-type has water channel, the water that provides washing or rinsing to use to the inside of sink, and have circulating water channel, recycle the storage of water (for example with reference to patent documentation 1,2,3) in the sink.This circulating water channel drainage channel midway along separate routes, and return in the sink through circulating pump, described drainage channel is connected with water discharge outlet at the bottom opening of sink.Circulating pump, driven in washing or rinsing running, the storage of water in the sink is recycled pump suction and pressurized, through being arranged on the nozzle of circulating water channel end, sprays in sink and cylinder.By having this circulating water channel, utilize circulated washing water or washings to soak washings, just can improve washing or wash effect.

The prior art document

Patent documentation

Patent documentation 1: Japan Patent open communique spy open 2010-94227 number

Patent documentation 2: Japan Patent open communique spy open 2009-297139 number

Patent documentation 3: Japan Patent open communique spy open 2010-36016 number

In having the washing machine of circulating water channel, for bringing into play described effect well, be necessary to make the recirculated water of nozzle ejection to travel through the interior Zone Full of cylinder well.In the washing machine of patent documentation 1 record, the discharge nozzle of recirculated water is installed on the top of the peristome circumferential edge of sink, the outlet of this discharge nozzle is provided with diffuser plate, makes recirculated water collide this diffuser plate and spreads, and supply with in cylinder.

According to described structure, can supply with recirculated water in the mode towards circumferential diffusion to cylinder inside.But, the washings in washing or the rinsing running, except be distributed in cylinder circumferentially, situation about extensively being distributed on the axial length direction is also arranged, recirculated water is difficult to touch washings all of such distribution, is difficult to obtain satisfied washing or wash effect.

In the washing machine of

patent documentation

2,3 records, drive the motor that the circulation pump motor is made as variable-ratio with being arranged on being used on the circulating water channel, for example according to the amount of the washings in the cylinder velocity of rotation of this motor is carried out speed control, increase and decrease quantity of circulating water and jet velocity are supplied with in cylinder.

According to described structure, velocity of rotation by the increase and decrease motor changes jet velocity, also can tackle washings and be distributed in the state of axial length direction in the inside of cylinder, but need control device to control above-mentioned motor, and have baroque problem, in addition, when carrying out SPEED CONTROL OF MOTOR repeatedly, because of the pressure oscillation of the discharge side of circulating pump, the aging of sealing that is arranged on the each several part of circulating water channel of circulating pump upstream side can accelerate, and might cause leaking.

Summary of the invention

In view of the above problems, the object of the present invention is to provide a kind of washing machine, utilize simple structure all to supply with recirculated water to the inside of cylinder, the effect by recirculated water improves washing or wash effect as much as possible.

Washing machine of the present invention comprises: sink, and being has round-ended cylinder shape, and described sink is supported to the peristome that makes a side towards laterally or be tilted to; Cylinder rotates in this sink; And circulating water channel, utilize circulating pump to the storage of water pressurization of described sink inside it to be returned in the described cylinder, described washing machine is characterised in that, has spray nozzle part, be arranged on the circumferential edge top of described peristome, in described cylinder, spray the recirculated water of supplying with from described circulating water channel, described spray nozzle part has the 1st jet and the 2nd jet, described the 1st jet is near the opening input port of described cylinder, described the 2nd jet is to the bottom surface opening of described cylinder, and the input port of described cylinder is at a side opening identical with described peristome.

In the present invention, the recirculated water that will circulate in circulating water channel sprays near the input port from the 1st jet that spray nozzle part has, spray to the cylinder bottom surface from the 2nd jet, not only to make progress in week, and the state of diffusion is in the axial direction supplied with recirculated water in cylinder, just can run into equably on the washings that in cylinder, is in suitable distribution, by effect raising washing or the wash effect of recirculated water.

In addition, washing machine of the present invention is characterised in that, described spray nozzle part is made of recess and lid, described recess inwardly prolongs the part of the end wall that the peristome of described sink is cut edge, on the position of upwards separating in week, be separated to form by wall, the open side of closed this recess of described lid, described the 1st jet be cut away described end wall extension a part and form, described the 2nd jet is between the extended end of described end wall and described cover plate the slit to be set and to form.

In the present invention, the part of the end wall of the sink that utilization arranges in the mode that a side opening portion is cut edge, integrally formed spray nozzle part with jet of the 1st, the 2nd only appends lid then, by such simple structure, just can realize the injection of the recirculated water of diffusion in the axial direction.

In the washing machine of the present invention, the the 1st, the 2nd jet that spray nozzle part has is with not only at the state of circumferentially but also in the axial direction diffusion jeting circulating water in the cylinder, therefore, just can need not control the increase and decrease of quantity of circulating water, equably recirculated water is sprayed onto on the washings in the cylinder, can improve washing or wash effect etc., make the present invention obtain outstanding effect.

Description of drawings

Fig. 1 is the stereoscopic figure of the washing machine of embodiment.

Fig. 2 is the profilograph of the internal structure of washing machine of expression embodiment.

Fig. 3 is near the expansion profile of spray nozzle part.

Fig. 4 A is the stereogram of the formation state of expression spray nozzle part.

Fig. 4 B is the stereogram of the formation state of expression spray nozzle part.

Description of reference numerals

2 sinks

3 cylinders

8 spray nozzle parts

70 circulating water pipes (circulating water channel)

71 circulating pumps

72 recirculated water flexible pipes (circulating water channel)

85 the 1st jets

86 the 2nd jets

The specific embodiment

Below, the present invention is described in detail based on the accompanying drawing of representing described embodiment.Fig. 1 is the stereoscopic figure of the washing machine of embodiment, and Fig. 2 is the profilograph of internal structure of the washing machine of expression embodiment.

The washing machine of embodiment as shown in Figure 2 has sink 2 and cylinder 3 in the inside of the outer container 1 that constitutes shell.Sink 2 is that the roughly all surfaces in a side has a peristome 20 large diameterly has a round-ended cylinder spare, as shown in the figure, utilize among a plurality of support foot 22(figure that uprightly are arranged on outer container 1 bottom surface and only represent one) so that the inclination attitude elastic bearing described sink 2 of peristome 20 for being tilted to.

Cylinder 3 be than sink 2 diameters slightly little round-ended cylinder spare arranged.The rotary drum electrical motor 4 that is used for head roll 3 is fixedly installed on the central portion in the outside, bottom surface of sink 2, cylinder 3 makes in the input port 30 of a side opening towards the inboard of the peristome 20 of sink 2, and be connected with the output shaft 40 of rotary drum electrical motor 4 and be supported, the bottom of described rotary drum electrical motor 4 is interior side-prominent to sink 2.The cylinder 3 that is supported like this is by the driving of rotary drum electrical motor 4, in sink 2 inside, in coaxial rotation.

Perisporium perforation at cylinder 3 is formed with a plurality of

limbers

32,32... that spread all over the minor diameter on whole surface.In addition, on the perisporium inner surface of cylinder 3, be provided with a plurality of baffle plates 33 that extend vertically along circumferentially uniformly-spaced giving prominence to.In addition, illustrate the part among a plurality of limberss 32, the 32... and be positioned at up and down two

baffle plates

33,33 among Fig. 2.

At the front surface (left surface of Fig. 2) of outer container 1, be provided with opening 12 towards the position of the peristome 20 of sink 2, can utilize protecgulum 11 to carry out switch.Be sealed to the no leakage body between the peristome 20 of air bag (bellows) 13 that utilization is made by the elastomeric material of rubber etc. with the opening 12 of outer container 1 and sink 2.

As shown in Figure 1, on the front surface of outer container 1, be provided with door open button 14 near the protecgulum 11.By the operation of clamshell doors button 14, centered by being arranged on the hinge on the lateral attitude, open wide protecgulum 11.In addition, under protecgulum 11 and state that the opening 12 of outer container 1 is aimed at, by press the opposite location of above-mentioned hinge from the outside, block above-mentioned peristome 12 and make its sealing.

Top at the front surface of outer container 1 is provided with guidance panel 15, and described guidance panel 15 has the operated key and the display part that is used for various demonstrations for various operations.This guidance panel 15 is connected with operation control section 16, and described operation control section 16 is positioned at the inboard of guidance panel 15 and is arranged on the inside of outer container 1.By the action of the operation control section 16 of carrying out according to the operation of guidance panel 15, following washing running, rinsing running are carried out as a series of runnings of independently turning round or be mutually related separately with the dehydration running.

In addition, washing machine comprises: water channel, before washing or rinsing running, will send into the inside of sink 2 from the water supply of watering; Circulating water channel makes the storage of water circulation of sink 2 inside in washing or rinsing running; Drainage channel, the storage of water with sink 2 inside after washing or rinsing running end is discharged to outside the washing machine.The invention is characterized in the structure of circulating water channel.

Water channel comprises water supply pipe 50, feed water valve 51 and tube connector 52.As shown in Figure 2, water supply pipe 50 is arranged on the inside of outer container 1 along the outer upper of sink 2, the internal communication of one end and sink 2, and the other end is connected with the outlet side of feed water valve 51.Tube connector 52 is set to the rear upper surface of outer container 1 outstanding, is connected with the entrance side of feed water valve 51 in the inboard of outer container 1.Tube connector 52 can be connected with watering (water pipe) by pressure hose, and described pressure hose is connected with the protuberance of giving prominence to outer container 1 outside.

Feed water valve 51 is in closed condition usually the time, it is the electromagnetic valve of when washing or rinsing running, opening according to the action command that gives from operation control section 16, when feed water valve 51 is opened, pass through the inside of tube connector 52, feed water valve 51 and water supply pipe 50 to the internal feed of sink 2 from the water supply of watering.As shown in Figure 2, this supplies water through described

limbers

32,32 ... also invade in the cylinder 3, accumulate in the bottom of sink 2 and cylinder 3 as storage of water W.

Drainage channel comprises drainpipe 60, filter for installation 61, draining valve 62 and scupper hose 63.Drainpipe 60 is connected with the water discharge outlet of offering at the foot of sink 2 and extends setting downwards, is connected with the entrance of filter for installation 61.Filter for installation 61 by the general expression of circular frame among Fig. 2 has known structure, and this structure is that cloth (lint) filter that catches Soft flocks is taken in the filter container that remains on tubular.Filter for installation 61 has two outlets, and an outlet is connected with scupper hose 63 via draining valve 62.Scupper hose 63 is laid along the bottom surface of outer container 1, extends outside washing machine.

Draining valve 62 is according to the action command electromagnetic valve closed that gives from operation control section 16 in washing or rinsing running.After washing or rinsing running finish, by opening draining valve 62, make sink 2 and storage of water W in the cylinder 3 pass drainpipe 60, filter for installation 61 and scupper hose 63 and outside washing machine, discharge.The Soft flocks that contain in 61 pairs of drainings of filter for installation catch, remove, thereby prevent that Soft flocks are outside draining is discharged to washing machine.

Circulating water channel comprises circulating water pipe 70, circulating pump 71 and recirculated water flexible pipe 72.Circulating water pipe 70 connects another outlet of filter for installation 61 and the suction inlet of circulating pump 71.One end of recirculated water flexible pipe 72 is connected with the jet of circulating pump 71, and the front portion of passing sink 2 extends upward, and the spray nozzle part 8 on the circumferential edge of the other end of recirculated water flexible pipe 72 and the peristome 20 that is arranged at sink 2 as described below is connected.

In washing or rinsing running, circulating pump 71 drives according to the action command that gives from operation control section 16.By this driving, storage of water W in the sink 2 is inhaled into circulating pump 71 through drainpipe 60, filter for installation 61 with circulating water pipe 70, pressurization in this circulating pump 71, the inside of flowing through recirculated water flexible pipe 72 arrives spray nozzle part 8, and spray from this spray nozzle part 8, be down into the washings in the cylinder 3.The storage of water W of the water that sprays in sink 2 is inhaled into circulating pump 71 through drainpipe 60, filter for installation 61 with circulating water pipe 70, repeatedly circulation.The Soft flocks that contain in 61 pairs of these recirculated waters of filter for installation catch, remove, and have to prevent that Soft flocks from turning back to the effect in sink 2 and the cylinder 3.

Fig. 3 is near the expansion profile of spray nozzle part 8, and Fig. 4 is the stereogram of the formation state of expression spray nozzle part.As shown in Figure 3, be provided with end wall 21 in the front portion of sink 2 in the mode that the circumferential edge of the peristome 20 of the same side is cut edge, be connected with hang plate 80 on the part in the interior week of this end wall 21, described hang plate 80 extends internally towards the inner inclination of sink 2.

Hang plate 80 continues suitable circumferential lengths and arranges.The both ends of this hang plate 80 are separated by the dividing plate 81 that vertically erects substantially, and forming with hang plate 80 is the recess at the end.As shown in Figure 3, the open side of this recess is closed by cover plate 82 and is liquid-tight state, and this recess forms the nozzle box in the appropriate location of the anterior perisporium of sink 2, and this nozzle box is communicated with integrally formed importing tube 83.Fig. 4 A has represented to install the state behind the cover plate 82, and Fig. 4 B represents to unload the state behind the lower cover 82.

As mentioned above, spray nozzle part 8 makes the nozzle box be communicated with formation via importing tube 83 with the outside of sink 2, described nozzle box surrounds the four directions by hang plate 80, dividing plate 81 with cover plate 82 and forms, and as shown in Figure 2, described recirculated water flexible pipe 72 is chimeric with the end that imports tube 83 in the outside of sink 2.

As shown in Figure 3, the leading section of hang plate 80 is connected with the guide plate 84 that has increased the angle of inclination, with the boundary portion of this guide plate 84 on, a part of cutting away hang plate 80 forms the 1st jet 85 at the incline direction of hang plate 80.In addition, as shown in Figure 3, be provided with suitable slit between the leading section of guide plate 84 and cover plate 82, be formed with the 2nd jet 86 by this slit at the incline direction of guide plate 84, described cover plate 82 closures are the recess at the end with hang plate 80.

In addition, as shown in Figure 4, the 1st jet 85 and the 2nd jet 86 can be made as between the both sides of hang plate 80 dividing plate 81 at the continuous slotted hole that makes progress in week, in addition, also can be made as in a plurality of holes arranged side by side that make progress in week.

The recirculated water that flows in described circulating water channel passes through the importing tube 83 that is connected with recirculated water flexible pipe 72, is directed to the spray nozzle part 8 of said structure.This recirculated water is run into hang plate 80 and is changed direction in spray nozzle part 8, the recirculated water of a part sprays from the 1st jet 85 at the front opening of hang plate 80.Remaining recirculated water is run into guide plate 84 and is changed direction again, sprays from the 2nd jet 86 at the front opening of guide plate 84.

Here, shown in the arrow of solid line among Fig. 3, unanimous on the whole from the direction of the injection direction of the recirculated water of the 1st jet 85 and hang plate 80, in addition, shown in the arrow of dotted line among Fig. 3, unanimous on the whole from the direction of the injection direction of the recirculated water of the 2nd jet 86 and guide plate 84.Above-mentioned injection direction also is to do same expression by the arrow of solid line and dotted line in Fig. 2, near the injection water of the 1st jet 85 position ejection downwards being set and spraying the entrance of cylinder 3 from spray nozzle part 8.Relative therewith, 8 the position that arranges to spray to the bottom surface of cylinder 3 along guide plate 84 from spray nozzle part from the injection water of the 2nd jet 86, the angle of inclination of described guide plate 84 is bigger than the angle of inclination of hang plate 80.

The recirculated water that sprays to both direction is in the axially diffusion of cylinder 3 like this, in addition, because the 1st, the 2nd jet 85, the 86th, at week long slotted hole upwards, thus also can be towards circumferential diffusion, and supply to Zone Full in the cylinder 3.

The washing machine of above-mentioned formation washs running as follows, open protecgulum 11 and drop into washings to the inside of cylinder 3, behind the sealing protecgulum 11, open feed water valve 51 to the internal feed washings of sink 2, and head roll motor 4, by with low velocity repeatedly rotary drum 3 move.Washings are the water that is dissolved with an amount of washing agent.Washing agent can drop into washings from the input port 30 of cylinder 3 front portions, and in addition, known oriented being configured in dropped into washing agent in water supply pipe 50 detergent box midway, be dissolved in the water supply of flowing through in the water supply pipe 52 and discharge.

The described washings that are supplied to accumulate in the inside of sink 2 and cylinder 3 as storage of water W, when cylinder 3 rotates under this state, washings utilizes the effect of baffle plate 33 to be lifted and falls, clean up (beating washing) by the interior perimeter surface of beating at cylinder 3, described baffle plate 33 outstanding being arranged on the interior perimeter surface of cylinder 3.

Circulating pump 71 is driven in above washing running, sucks storage of water W and pressurization in the sink 2, sends into spray nozzle part 8 through recirculated water flexible pipe 72.As mentioned above, spray nozzle part 8 is with the state towards circumferential and axial diffusion, from the 1st, the 2nd jet 85, the 86 internal spray washings to cylinder 3.The washings of described injection drop to the washings in the cylinder 3, and the effect that improves clean result is arranged.

Injection water from spray nozzle part 8 is not only making progress but also diffusion in the axial direction in week, sends into the Zone Full of cylinder 3 inside equably, sprays on the cylinder 3 inner washings that extensively distribute the performance clean result that energy is good reliably.

In addition, be provided with can to the 1st, the

2nd jet

85,86 each carry out the valve that aperture is regulated, by controlling the aperture of these valves, just can change to the supply conditions of cylinder 3 interior supply recirculated waters.For example, washings in cylinder 3 more after a little while, make from the injection water of the 2nd jet 86 more relatively, recirculated water is run on the washings that concentrates on cylinder 3 bottom surface sides reliably, in addition, when washings more for a long time, make from the injection water of the 1st jet 85 more relatively, it is first-class that recirculated water is run into the washings that is distributed in cylinder 3 front portions reliably, like this according to the described control of how much implementing of washings.

In addition, after finishing above-mentioned washing running, open draining valve 62, discharge after the washings in the sink 2, open feed water valve 51 and supply with the washings that do not contain washing agent, cylinder 3 is slowly run, implement the rinsing running of washing machine.Washings in the cylinder 3 are soaked by washings, are carried out rinsing by lifting repeatedly in cylinder 3 with falling.In addition, described rinsing is turned round common replaceable washings enforcement repeatedly.

Circulating pump 71 is also driven in above-mentioned rinsing running, sucks storage of water W and pressurization in the sink 2, sends into spray nozzle part 8 through recirculated water flexible pipe 72.Spray nozzle part 8 is to the internal spray washings of cylinder 3.The washings of described injection are fallen into the washings in the cylinder 3, and the effect that improves wash effect is arranged.Have the washings that the 1st, the

2nd jet

85,86 spray nozzle part 8 spray, towards circumferentially also being admitted in the cylinder 3 to the state of axial diffusion, soak the washings that extensively distributes in the inside of cylinder 3 reliably, raising wash effect that can be good with not only.

In addition, in the above-described embodiment, at the washing machine that sink 2 and cylinder 3 are supported to the posture that is inclined relative to horizontal, be that so-called oblique tumbling-box washing machine is illustrated, but the present invention is for sink 2 and cylinder 3 supportings are the washing machine of horizontal posture, be that so-called roll drum washing machine also can be suitable for, just can obtain same effect.

In addition, the tiltedly washing machine of drum-type and the washing machine of roll cartridge type generally constitute the laundry apparatus of the function that has dryer concurrently, and the present invention goes for this laundry apparatus certainly.

Claims

1. washing machine comprises:

Sink, being has round-ended cylinder shape, and described sink is supported to the peristome that makes a side towards laterally or be tilted to;

Cylinder rotates in this sink; And

Circulating water channel utilizes circulating pump to the storage of water pressurization of described sink inside it to be returned in the described cylinder,

Described washing machine is characterised in that,

Have spray nozzle part, be arranged on the circumferential edge top of described peristome, in described cylinder, spray the recirculated water of supplying with from described circulating water channel,

Described spray nozzle part has the 1st jet and the 2nd jet, and described the 1st jet is near the opening input port of described cylinder, and described the 2nd jet is to the bottom surface opening of described cylinder, and the input port of described cylinder is at a side opening identical with described peristome.

2. washing machine according to claim 1 is characterized in that,

Described spray nozzle part is made of recess and lid, described recess is that a part that makes the end wall that the peristome of described sink is cut edge inwardly prolongs, is separated to form by wall on the position of upwards separating in week, the open side of closed this recess of described lid, described the 1st jet be cut away described end wall extension a part and form, described the 2nd jet is between the extended end of described end wall and described cover plate the slit to be set and to form.