CN104562541B - Washing machine - Google Patents

Abstract

The present invention provides a kind of tumbling-box washing machine, and it can make the circular flow of washings increase, and will not produce trouble in water level detecting.This tumbling-box washing machine possesses: accumulate the water jacket (2) of washings in inside；The cylinder (3) being rotatably supported in water jacket (2)；Draw the washings in water jacket (2) and in cylinder (3), carry out the circulating pump (24) sprinkled water；It is arranged at the choke box (2e) of the water level detecting of the foot of the rear portion end face (2u) of water jacket (2)；The corrugated flexible hose (22) that bottom (2s) towards water jacket (2) extends from circulating pump (24)；And connect the bottom (2s) of water jacket (2) and the drainage joint (21a) of above-mentioned corrugated flexible hose (22), the configured in one piece of drainage joint (21a) in being located further forward the position of side than the bottom surface of cylinder (3), and drainage joint (21a) is connected with corrugated flexible hose (22) in the side residing for circulating pump (24).

Description

Washing machine

Technical field

The present invention relates to the tumbling-box washing machine possessing the circulating pump making washings circulate.

Background technology

For tumbling-box washing machine, propose there is following scheme, when washing procedure, circulating pump draw water jacket from bottom Interior washings are also poured onto on medicated clothing, make washings be impregnated with medicated clothing (for example, referring to patent documentation 1) completely.This drum type washing Even if clothing machine uses the water more less than upright type washing machine to also ensure that cleaning performance such that it is able to water saving.

Prior art literature

Patent documentation

Patent documentation 1: Japanese Unexamined Patent Publication 2012-170697 publication

Summary of the invention

, it is known that following situation, owing to making washings more effectively be impregnated with by increasing the circular flow of washings Washings, therefore, it is possible to improve cleaning performance, shorten wash time.It addition, in tumbling-box washing machine, be provided with and water jacket The choke box (airtrapping portion) that bottom links, detects the water in water jacket typically by the pressure detecting this choke box Position.But, in the tumbling-box washing machine that patent documentation 1 is described, if configure discharge outlet in the underface of choke box, then exist Following problem, when the circular flow making washings increases, is involved in the air in choke box and makes washings immerse in choke box, Produce water level survey by mistake, can not the trouble of sensed water level.

It is an object of the invention to provide a kind of tumbling-box washing machine, it can make the circular flow of washings increase, and And trouble will not be produced in water level detecting.

The tumbling-box washing machine of the present invention is characterised by possessing: accumulate the water jacket of washings in inside；Rotatably It is supported in the cylinder in above-mentioned water jacket；Draw the washings in above-mentioned water jacket and in above-mentioned cylinder, carry out the circulating pump sprinkled water； It is arranged at the airtrapping portion of the water level detecting of the foot of above-mentioned water jacket；From above-mentioned circulating pump towards the bottom of above-mentioned water jacket The flexible pipe extended；And connect the bottom of above-mentioned water jacket and above-mentioned hose connection joint, the configured in one piece of above-mentioned joint in than The bottom surface of above-mentioned cylinder is located further forward the position of side, and above-mentioned joint is hose connection with above-mentioned in the side residing for above-mentioned circulating pump.

The present invention has the effect that.

In accordance with the invention it is possible to provide a kind of tumbling-box washing machine, it can make the circular flow of washings increase, and Trouble will not be produced in water level detecting.

Accompanying drawing explanation

Fig. 1 is the stereoscopic figure of the tumbling-box washing machine representing embodiments of the present invention.

Fig. 2 is roughly to represent the in-built side view of tumbling-box washing machine.

Fig. 3 is the sectional view of the direction of arrow observation of the line A-A along Fig. 2.

Fig. 4 is the axonometric chart when forward observation circulating pump and circulatory flow.

Fig. 5 is the axonometric chart representing the circulatory flow inside water jacket cover.

Top view when Fig. 6 is circulating pump viewed from above.

Fig. 7 is the axonometric chart during bottom observing water jacket from rear.

Fig. 8 (a) be the line B-B along Fig. 7 the direction of arrow observe sectional view, Fig. 8 (b) be represent as comparative example with A sectional view that () is corresponding.

Fig. 9 (a) is to represent from the bottom of water jacket the top view towards the runner of circulating pump, and Fig. 9 (b) is to be denoted as comparing Example from the bottom of water jacket towards the top view of the runner of circulating pump.

In figure:

1 cabinet, 2 water jackets, 2e choke box (airtrapping portion), bottom 2s, 2u rear portion end face, 3 cylinders, 3c bottom surface, 21a drainage joint (joint), 22 corrugated flexible hoses (flexible pipe), 24 circulating pumps, S tumbling-box washing machine.

Detailed description of the invention

It follows that the tumbling-box washing machine of embodiments of the present invention is described in detail with reference to suitable accompanying drawing.

First, with reference to Fig. 1 and Fig. 2 tumbling-box washing machine is monolithically fabricated and illustrates.Fig. 1 represents the present invention The stereoscopic figure of the tumbling-box washing machine of embodiment, Fig. 2 is the roughly expression in-built side-looking of tumbling-box washing machine Figure.Before and after in following description up and down, to observe the tumbling-box washing machine shown in Fig. 1 from front before and after time up and down Direction on the basis of.

As it is shown in figure 1, tumbling-box washing machine (described briefly below for washing machine) S possesses the composition cabinet 1 of outline, operating surface Plate 6, detergent torr box 7 and door 9.

Cabinet 1 is arranged on base 1h, and includes the side cover 1a of left and right, 1b, radiator grille 1c, back side cover 1d (reference Fig. 2), upper face shield 1e and bottom radiator grille 1f.It addition, for cabinet 1, side cover 1a, 1b and the "U" font of left and right Upper girth member 36 (with reference to Fig. 2), front girth member 37 (with reference to Fig. 2) and post-reinforcing part (not shown) combine and include base 1h and It is configured to box like.

Guidance panel 6 is arranged on the center upper portion of cabinet 1, possesses on and off switch 39, operation button 12,13 and display 14.It addition, guidance panel 6 electrically connects with the control device 38 (with reference to Fig. 2) being arranged at cabinet 1 bottom.

Detergent torr box 7 is arranged on the upper left-hand in cabinet 1, and can draw relative to cabinet 1 forwards (side, front) Go out.

As in figure 2 it is shown, detergent torr box 7 can be assemblied on the detergent container 19 being arranged on the left of cabinet 1 internal upper part. In the case of putting into detergent etc, as shown in double dot dash line in Fig. 1, pull out detergent torr box 7.Detergent container 19 is solid Upper girth member 36 due to cabinet 1.It addition, be formed with outlet 19a in the side after a while of the left surface of detergent container 19.Separately Outward, the bottom surface of detergent container 19 is formed as the mortar shape that the position of outlet 19a becomes minimum.

The input port being used for picking and placeing medicated clothing being arranged at the substantial middle of radiator grille 1c 9 is sealed by door, and before being arranged at The hinge 9c of girth member 37 can be opened and closed to support.Lock is made by pressing the door open button 9d (with reference to Fig. 1) being arranged near door 9 Determine mechanism (not shown) to release and open, and lock by door 9 face shield 1c forward is pushed and close.Front girth member 37 with under The peristome of the water jacket 2 stated has the circular peristome for picking and placeing medicated clothing (washings) with one heart.

Rear side at detergent container 19 is provided with water-suppling electromagnetic valve 16 (with reference to Fig. 1), bathing pool water pulsating pump 17 and water Feedwater associated member such as level sensor 34 grade.It addition, be provided with to water unit 15 on the upper opening of detergent container 19.Upper Water hose connector 16a (with reference to Fig. 1), the suction remaining warm water of bathing pool being connected with water tap it is provided with on face shield 1e Water tube hose connector 17a (with reference to Fig. 1).

It addition, washing machine S is configured to include the water jacket 2 of bottomed cylindrical, the cylinder 3 of bottomed cylindrical, drainage joint 21a (joint), corrugated flexible hose 22 (flexible pipe), circulating pump 24 and choke box 2e (airtrapping portion).

Water jacket 2 is provided with motor 4 built with cylinder 3 and front openings, the outside central authorities at rear portion end face 2u on coaxial. The through water jacket of rotary shaft 2 of motor 4 is also combined with cylinder 3.It is provided with to water jacket 2 on peristome before water jacket 2 The water jacket cover 2d of interior water-retention.

It addition, downside is fixed on the amortisseur 5 of base 1h in cabinet 1 and is arranged at the not shown of upside by water jacket 2 Spring vibrationproof support.It addition, be provided with the Wavelet piece 10 of rubber on peristome before water jacket 2, by closing door 9 Carry out external groove 2 and carry out water seal.

It addition, be provided with in water jacket 2 at the rear portion, side of water jacket 2 for feedwater or the admission port 2a of detergent class.Feedwater Mouth 2a is connected by the corrugated flexible hose 20 of rubber with the outlet 19a of detergent container 19.

It addition, be provided with the bottom side inner circumferential with water jacket 2 at the bottom 2s of water jacket 2 in the axially extended mode along water jacket 2 Face continuous print concave depressed part 2f.The bottom surface of this depressed part 2f is provided with discharge outlet 21.Arrange in the front side of depressed part 2f There is the inflow entrance 18 of bottom cycle water.

Cylinder 3 has the function of washing and dewatering groove, has for water flowing and ventilation at its periphery wall and diapire Multiple through hole 3s (with reference to Fig. 8 (a)).It addition, the anterior end surface at cylinder 3 is provided with the peristome 3a for picking and placeing medicated clothing. It is provided with in the periphery of peristome 3a and the fluid balancer 3b of cylinder 3 one.It addition, the center of rotation axle of cylinder 3 is level Or tilt in the way of peristome side uprises.

Drainage joint 21a is installed on discharge outlet 21, so that washings will not be from drainage joint by O (not shown) 21a spills with the coupling part of outlet 21.

The washings lodging in water jacket 2 are guided by corrugated flexible hose 22 to circulating pump 24, (the upstream, one end of corrugated flexible hose 22 End) it is connected with drainage joint 21a, the other end is connected with circulating pump 24.

Circulating pump 24 draws the washings of the bottom of water jacket 2 and sprinkles water in cylinder 3, and it is arranged at the lower section of water jacket 2.Separately Outward, the water outlet mouthpiece 23b (with reference to Fig. 6) at circulating pump 24 connects the end side of scupper hose 26.It addition, at scupper hose 26 The extension in machine way in be provided with drain valve 25.

Choke box 2e is arranged at the foot of the rear portion end face 2u of water jacket 2.It addition, be provided with in the bottom of choke box 2e with The hole 2e1 of water jacket 2 connection.It addition, be connected with level sensor 34 by tubular body 35 on the top of choke box 2e.Level sensor Device 34 detects the water level in water jacket 2 by the air pressure in detection choke box 2e.

It addition, washing machine S is also equipped with filter head housings 23, row while possessing circulating pump 24 between water jacket 2 and base 1h Water valve 25, possesses drying duct 29 inside the back side of cabinet 1.

Filter head housings 23 is the cylindrical shape in front side with peristome, has removable filter (not scheme in mounted inside Show), collect the foreign material in washings or the end of a thread.It addition, filter head housings 23 is by opening the lid 1g being arranged at bottom radiator grille 1f And rotating handles 23d and can easily mounting or dismounting filter (not shown).This filter head housings 23 tilts in the way of front side uprises. Additionally, the blood circulation for the washings centered by circulating pump 24 illustrates in detail below.

Drying duct 29 passes through corrugated flexible hose 29a and the air entry at the rear portion being arranged on water jacket 2 (not shown) of rubber Connect.Water-cooled desiccant body (not shown) it is built-in with in drying duct 29.Additionally, when dry operation, by not shown Heater, Air Blast fan etc. are blown into warm braw in cylinder 3, make moisture evaporate from medicated clothing.The air becoming high temperature and humidity is inhaled into Drying duct 29, becomes Cryogenic air by the cooled dehumidifying of above-mentioned water-cooled desiccant body, is heated by not shown heater It is blown in backward cylinder 3.In addition it is also possible to use heat pump to replace heater, water-cooled desiccant body.

Fig. 3 is the sectional view of the direction of arrow observation of the line A-A along Fig. 2.

As it is shown on figure 3, on the top of depressed part 2f with cover depressed part 2f width approximately half of mode be formed from The inner peripheral surface 2t continuous print next door W of water jacket 2.This next door W along the outer peripheral face 3t of cylinder 3 to relative to the rotation during dehydration of cylinder 3 The direction turning relative for direction R extends.Discharge outlet 21 and inflow entrance 18 be formed at the center of the width from depressed part 2f to The position that direction of rotation R of cylinder 3 staggers, so that next door W is configured at discharge outlet 21 and the top of inflow entrance 18.

The centrifugal force that depressed part 2f produces in the rotation by cylinder when being dehydrated 3 makes the water through hole 3s (reference from cylinder 3 Fig. 8 (a)) when the inner peripheral surface side of water jacket 2 throws away, stop the water to the flowing of the same direction with direction of rotation R of cylinder 3, and will It guides to discharge outlet 21.Next door W plays the work of the interception preventing the water entering into depressed part 2f from will not again return in water jacket 2 Use effect.

It addition, form depressed part 2f significantly by width in the circumference of water jacket 2, it is possible to compared to conventional drum-type Washing machine makes the moisture storage capacity of water jacket 2 increase.By so expanding depressed part 2f, it is possible to increase the circulating pump motor 47 of circulating pump 24 The rotary speed of (with reference to Fig. 4), thus the washings of big flow are sucked circulating pump motor 47.It is as a result, it is possible to increase washing The circular flow of water, the detersive efficiency of medicated clothing improves the most further.

Fig. 4 is the axonometric chart when forward observation circulating pump and circulatory flow, and Fig. 5 is to observe from the inner side of water jacket cover to follow Axonometric chart during circulation road, top view when Fig. 6 is circulating pump viewed from above.

As shown in Figure 4, circulating pump 24 possesses the housing 42 and circulating pump motor 47 formed with filter head housings 23.? Be formed on housing 42 inhalation interface 43 (with reference to Fig. 6), discharge interface 44,45, water inlet interface 23a and water outlet mouthpiece 23b (ginseng According to Fig. 6).

Discharge interface 44 to be connected with the circulatory flow 27 of the inner side perisporium being arranged on water jacket cover 2d by corrugated flexible hose 41.

Discharge interface 45 to be connected with joint 18a by corrugated flexible hose 40.It is recessed that this joint 18a is arranged at towards water jacket 2 Fall into the inflow entrance 18 that the mode of portion 2f is formed.

As it is shown in figure 5, circulatory flow 27 is formed as arch from bottom towards top along the peristome before water jacket cover 2d, In leading section (upper end), there is the nozzle 27a for spraying washings in cylinder 3.

Additionally, the cross sectional shape of circulatory flow 27 is not particularly limited, it is possible to do circular, oval, polygon etc.. The circle of more than diameter 25mm is equivalent to after conglobate area it addition, the area of section of circulatory flow 27 preferably converts.

As shown in Figure 6, inhalation interface 43 be link filter head housings 23 and the circular of housing 42 through hole and with follow The impeller 46 of ring pump 24 is formed coaxially.

Additionally, corrugated flexible hose 41 (with reference to Fig. 4) and circulatory flow 27 (with reference to Fig. 5) and corrugated flexible hose 22 (with reference to Fig. 4) Together constitute with bottom 2s from water jacket 2 (with reference to Fig. 2) to the circulation road on the top of water jacket 2.

If making the circulating pump motor 47 of circulating pump 24 rotate forward, then in water jacket 2 to close the state of drain valve 25 (with reference to Fig. 2) Washings from discharge outlet 21 (with reference to Fig. 3) through drainage joint 21a (with reference to Fig. 3), corrugated flexible hose 22 (with reference to Fig. 3), by mistake Filter (omitting diagram) in filter shell 23 removes foreign material.Afterwards, washings enter housing 42 (with reference to figure from inhalation interface 43 The arrow F of 6) and discharge from discharging interface 44, be admitted to circulatory flow 27 (with reference to Fig. 5), from nozzle 27a (with reference to Fig. 5) spill to In cylinder 3 (with reference to Fig. 2).

If it addition, with close drain valve 25 (with reference to Fig. 2) state make the circulating pump motor 47 of circulating pump 24 invert, then outside Washings in groove 2 from discharge outlet 21 (with reference to Fig. 3) through corrugated flexible hose 22 (with reference to Fig. 3), by the filtration in filter head housings 23 Device (omitting diagram) removes foreign material.Afterwards, washings enter housing 42 from inhalation interface 43 and discharge from discharging interface 45, pass through Corrugated flexible hose 40 (with reference to Fig. 4) and joint 18a (with reference to Fig. 4) return in water jacket 2.

If it addition, drain valve 25 (with reference to Fig. 2) is opened, then the mistake in filter head housings 23 of the washings in water jacket 2 Filter (omits diagram), discharges to machine from scupper hose 26 (with reference to Fig. 2).

Additionally, in the present embodiment, in order to ensure circular flow, the rotary speed of circulating pump motor 47 is preferably made to exist More than 2600rpm below 3500rpm.This rotary speed controlled device 38 (with reference to Fig. 2) controls.In other words, it is preferable that by following The circular flow of washings produced by ring pump 24 more than 36 liters/min less than 53 liters/min.

When the rotary speed of circulating pump 24 is less than 2600rpm, because cleaning than (cleaning performance) than conventional drum-type Washing machine is the lowest and the most preferred.Even if it addition, making the rotary speed of circulating pump 24 be more than 3500rpm, also because cleaning the upper of ratio Rise small but consume electric power increase and the most preferred.Additionally, it is so-called clean than the wash degree and the standard that are finger to finger test washing machine The ratio of the wash degree of washing machine, is advised by Japanese industries standard " the performance measurement method (JISC9811) of home electric washing machine " Fixed.That is, clean higher than the highest cleaning performance.

It addition, the corrugated flexible hose 22 in present embodiment constitutes a part for circulatory flow, it is set as that more than 35mm is preferred It is set as 37～about 50mm.It addition, the internal diameter of this corrugated flexible hose 22 is advised by the footpath, peak (internal diameter of the narrow part of ripple) of ripple Fixed.

It addition, the length of corrugated flexible hose 22 is set as below 400mm, it is preferably set to about 150mm～300mm.It addition, The length of corrugated flexible hose 22 is by extension between the entrance from the water inlet interface 23a exporting to circulating pump 24 of drainage joint 21a The length legislations of corrugated flexible hose 22.

So, in the present embodiment, because the corrugated flexible hose 22 outlet relative to drainage joint 21a is in circulating pump 24 side Connect, it is possible to shorten the length of the entrance of the water inlet interface 23a of 24 from drainage joint 21a to circulating pump, so that runner Resistance diminishes.It addition, because make the internal diameter being positioned at the corrugated flexible hose 22 of the upstream side of circulating pump 24 generally want at more than 35mm ratio Slightly, so being the most also related to the minimizing of flow passage resistance force of waterproof.Therefore, uprised by the rotary speed making circulating pump 24, energy Enough suck the washings of big flow, so that it circulates in cylinder 3.

Fig. 7 is the axonometric chart during bottom observing water jacket from rear.

As it is shown in fig. 7, be provided integrally with choke box 2e at the rear portion end face 2u of water jacket 2 with water jacket 2.That is, choke box 2e It is shaped generally as semi-circular cylindrical, and prominent from rear portion end face 2u (back side) of water jacket 2.It addition, arrange in the upper end of choke box 2e There is the connector 2e2 being connected with tubular body 35 (with reference to Fig. 2).

It addition, choke box 2e offsets ground with more keeping right side (left side in Fig. 7) than the center of rotation O of cylinder 3 (with reference to Fig. 2) Arrange.This is because be correspondingly provided with discharge outlet 21 (with reference to Fig. 3) with next door W (with reference to Fig. 3).

It is provided with for preventing water jacket 2 carrying accessory 50 of vibration when carrying washing machine S at the depressed part 2f of water jacket 2. This carrying accessory 50 be metal sheet material is bent to substantially U-shaped and formed, it has what horizontal direction to the left and right extended The rising portions 52,52 that horizontal part 51 and the two ends, left and right from horizontal part 51 extend upward.The upper end of each rising portions 52 is with L word Shape bends laterally, and is fixed on the depressed part 2f of water jacket 2 by bolt (not shown).

Fig. 8 (a) be the line B-B along Fig. 7 the direction of arrow observe sectional view, Fig. 8 (b) be represent as comparative example with The sectional view that Fig. 8 (a) is corresponding.

As shown in Fig. 8 (a), the bottom surface of depressed part 2f has inclined plane 2f1 that the center of rotation with cylinder 3 extends parallel to The horizontal plane 2f2 that (fore-and-aft direction) extends parallel in the horizontal direction.Inclined plane 2f1 is formed as from the front end of depressed part 2f It is down to be located further forward the position of the amortisseur 5 of side than the bottom surface 3c of cylinder 3.Horizontal plane 2f2 is formed to resistance from the rear end of inclined plane 2f1 The position of gas box 2e.

It addition, discharge outlet 21 is formed at the rear end of inclined plane 2f1 on depressed part 2f, in discharge outlet 21, draining is installed and connects Head 21a.Thus, discharge outlet 21 is positioned at the foot of water jacket 2.

Drainage joint 21a is configured to have: the substantially cylindrical shape prominent to the direction orthogonal relative to inclined plane 2f1 Recess 21a1；And the pipe portion 21a2 extended from the side (side face) to side (left side side) of this recess 21a1.It addition, just include For the drainage joint 21a of discharge outlet 21, it is integrally located at the position being located further forward side than the bottom surface 3c of cylinder 3.

It addition, drainage joint 21a is positioned at the position being located further forward side than carrying accessory 50.Additionally, before and after carrying accessory 50 The position in direction is consistent with center of gravity G of the assembly including water jacket 2 and cylinder 3.

Difference D of bottom H1 and detection faces H2 that choke box 2e is configured to cylinder 3 becomes the detection of level sensor 34 by mistake More than difference (such as 20mm).It addition, horizontal plane 2f2 extends in the cylinder of choke box 2e in the way of becoming the same face.

, as comparing shown in such as Fig. 8 (b), the laundry of discharge outlet 121 it is provided with in the underface of choke box 122e In machine, if making the circular flow of washings increase, then produce problem shown below.That is, if the circular flow making washings increases Greatly, then the flow velocity of the washings flowing through the bottom of the hole 122e1 of choke box 122e uprises, and is involved in the air in choke box 122e, Washings are immersed in choke box 122e.Thus, water level detecting face H11 changes, and exists and can not be correctly detected water level Problem.

Therefore, in the present embodiment, as shown in Fig. 8 (a), by drainage joint 21a is configured at the bottom surface than cylinder 3 The position that 3c is closer to the front, washings will not be by the underface of choke box 2e.Accordingly, because be prevented from being involved in choke box 2e In air and make washings immerse in choke box 2e, it is possible to the water level being correctly detected in water jacket 2.

Fig. 9 (a) is to represent from the bottom of water jacket the top view towards the runner of circulating pump, and Fig. 9 (b) is to be denoted as comparing Example from the bottom of water jacket towards the top view of the runner of circulating pump.

, in the comparative example shown in Fig. 9 (b), the drainage joint 121a of discharge outlet 121 is configured to and carrying accessory 150 (with reference to Fig. 8 (b)) above-below direction is overlapping, and drainage joint 121a is handled upside down below accessory 150 encirclement and the side of left and right. It is thus impossible to link corrugated flexible hose 122 towards circulating pump 124 side, need the most rearward to pull out corrugated flexible hose 122 to make it enclose It is connected with circulating pump 124 around carrying accessory 150.Its result, corrugated flexible hose 122 elongated (such as 460mm), the runner of washings Resistance increases, and when the circular flow of washings increases, the constricted flow of washings, thus exists because circulating pump 124 is involved in air And the hidden danger of vent plug.

Therefore as shown in Fig. 9 (a), in the present embodiment, the drainage joint 21a by being connected with discharge outlet 21 configures In being located further forward the position of side than carrying accessory 50 (with reference to Fig. 8 (a)), carrying accessory 50 (rising portions 52) is made not to be positioned to be configured with and follow The side of ring pump 24.Thereby, it is possible to connect corrugated flexible hose 22 in circulating pump 24 side (on the left of diagram) such that it is able to make corrugated flexible hose 22 shorten.In such manner, it is possible to make corrugated flexible hose 22 shorten, thus reduce the flow passage resistance force of waterproof of washings, even if making the circulation of washings Flow increase also is able to prevent circulating pump 24 vent plug.

It addition, in the comparative example of Fig. 9 (b), the water inlet interface 123a of filter head housings 123 is relative to this filter head housings 123 Central axial outside (on the left of diagram) configure with staggering.To this, in the present embodiment shown in Fig. 9 (a), by filtering The top configuration water inlet interface 23a of device shell 23 shortens the length of corrugated flexible hose 22.Ripple is passed through thereby, it is possible to reduce further The flow passage resistance force of waterproof of the washings of flexible pipe 22.

It follows that the operation operation of washing machine S is illustrated.In the following description, have selected standardization program (to clean ～secondary rinsing～dehydration) operation operation illustrate.

First, selecting operation program after switching on power, if selecting to run start button, then weight based on medicated clothing etc. are aobvious Show and on device 14, show detergent amount and operation time.Then, user puts into detergent class in detergent torr box 7.

Then, by controlling water-suppling electromagnetic valve 16, washings (water+detergent) are via corrugated flexible hose 20, the feedwater of water jacket 2 Mouth 2a is supplied to the depressed part 2f of water jacket 2.Then, by controlling circulating pump 24, make via corrugated flexible hose 22 from discharge outlet 21 The washings sucked are discharged from the inflow entrance 18 of depressed part 2f via corrugated flexible hose 40.The washing current discharged from inflow entrance 18 Through depressed part 2f and towards discharge outlet 21 and be circulated.Therefore, water and detergent in washings are stirred, and make detergent molten Yu Shui.

Then, it is transferred to matting, by controlling water-suppling electromagnetic valve 16, makes on the water level of the rinse water in water jacket 2 Rise, and make cylinder 3 rotate in forward and reverse direction with the rotary speed (such as 40rpm) of regulation by controlling motor 4, carry out clothing The transposition of thing.It addition, control circulating pump 24 in the way of becoming the rotary speed (such as 2600rpm) of regulation, make from discharge outlet The higher rinse water (washings) of detergent concentrations that 21 suck by corrugated flexible hose 22,41, circulatory flow 27.Then, pass through Discharged to the inside of cylinder 3 by the nozzle 27a of the peristome being arranged at water jacket 2, make rinse water be impregnated with the medicated clothing within cylinder 3 (rotating feedwater operation).

Then, in the way of becoming the rotary speed (such as 3200rpm) of regulation, control circulating pump 24, make from discharge outlet 21 The rinse water (washings) sucked via corrugated flexible hose 22,41, circulatory flow 27 is from the nozzle of the peristome being arranged at water jacket 2 27a discharges to the inside of cylinder 3.It addition, control motor 4, cylinder 3 is made to revolve with the rotary speed (such as 100rpm) of regulation Turn, make the medicated clothing within cylinder 3 be attached to periphery wall inner face from there through centrifugal force, it is possible to prevent from being applied in the top from cylinder 3 Produced mechanical force (prewashing agitating procedure) when falling.

Then, in the way of becoming the flow (such as 3200rpm) of regulation, control circulating pump 24, make to suck from discharge outlet 21 Rinse water (washings) via corrugated flexible hose 22,41, circulatory flow 27 from be arranged at water jacket 2 peristome nozzle 27a to The inside of cylinder 3 is discharged.It addition, control motor 4, cylinder 3 is made to rotate with the rotary speed (such as 40rpm) of regulation, by Medicated clothing within cylinder 3 is beaten washing by this.

Then, it is transferred to the rinsing process after drainage procedure and dehydration procedure, makes cylinder 3 to reversely revolving with middling speed Turn (such as 260rpm), and open drain valve 25, control water-suppling electromagnetic valve 16, thus make water intersperse among medicated clothing.It addition, to become Mode for the flow (such as 3200rpm) of regulation controls circulating pump 24, makes the rinse water (washings) sucked from discharge outlet 21 Via corrugated flexible hose 22,41, circulatory flow 27 discharges to the inside of cylinder 3 from the nozzle 27a of the peristome being arranged at water jacket 2. When have passed through the time of regulation, circulating pump 24 stops, and opens drain valve 25 and discharges the washings in water jacket 2.

Then, controlling water-suppling electromagnetic valve 16, in water jacket 2, supply comprises the washings of softener, and makes cylinder 3 to just Anti-two directions rotate, and make supply to the washings in water jacket 2 and softener mixing.Then, water-suppling electromagnetic valve 16 is controlled, to water jacket 2 supplies are to the water level specified.It addition, control motor 4, cylinder 3 is made to rotate, to become the flow (such as 2600rpm) of regulation Mode controls circulating pump 24, make from discharge outlet 21 suck washings (washings) via corrugated flexible hose 22,41 from being arranged at The nozzle 27a of the peristome of groove 2 discharges to the inside of cylinder 3, makes softener be impregnated with medicated clothing.

Then, control motor 4 and make cylinder 3 rotate, control to follow in the way of becoming the flow (such as 3200rpm) of regulation Ring pump 24, make the washings (washings) sucked from discharge outlet 21 via corrugated flexible hose 22,41, circulatory flow 27 is from being arranged at The nozzle 27a of the peristome of groove 2 discharges to the inside of cylinder 3, thus rinses medicated clothing.Then, when process specifies After between, terminate agitating procedure, be transferred to last dehydration procedure.

As described above, in the washing machine S of present embodiment, drainage joint 21a is integrally provided in than cylinder 3 Bottom surface 3c is located further forward the position of side, and drainage joint 21a is connected with corrugated flexible hose 22 in the side residing for circulating pump 24.Thus, logical Cross drainage joint 21a and be integrally provided in the position (with reference to Fig. 8 (a)) being located further forward side than the bottom surface 3c of cylinder 3, even if making washings Circular flow increase, it is also possible to prevent washings from entering in choke box 2e, it is possible to the water being correctly detected in water jacket 2 Position.Further, because drainage joint 21a is connected with corrugated flexible hose 22 in the side residing for circulating pump 24, connect it is possible to shorten Drainage joint 21a and the length of the corrugated flexible hose 22 of circulating pump 24, reduce flow passage resistance force of waterproof, it is possible to make circulating pump 24 not produce vent plug Make the washings of big flow circulate.

It addition, in the present embodiment, choke box 2e and drainage joint 21a is provided independently from this drainage joint 21a's Rear.Immerse in choke box 2e thereby, it is possible to be reliably prevented washings.

It addition, in the present embodiment, choke box 2e is integrally formed with water jacket 2.Thus, the shape of choke box 2e will not become For the shape (with reference to Fig. 7) protruded significantly from water jacket 2, it is possible to save space.

It addition, in the present embodiment, preferably the internal diameter of flexible pipe is at more than 35mm.Thereby, it is possible to make the runner of washings Drag reduction, it is possible to make the circular flow of washings increase.

It addition, in the present embodiment, preferably make circular flow produced by circulating pump 24 more than 36 liters/min.Thus, Compared to can improve cleaning performance fully in the past.

Additionally, the present invention is not limited to above-mentioned embodiment, it is possible in the range of without departing from the purport of the present invention Carry out various change.Such as, in the present embodiment, use does not have the tumbling-box washing machine of functions/drying too.

It addition, in the present embodiment, it is configured to (intake towards circulating pump 24 from drainage joint 21a at corrugated flexible hose 22 Interface 23a) time corrugated flexible hose 22 become the state being on the way bent substantially at a right angle but it also may make into water interface 23a with The connector that corrugated flexible hose 22 connects is towards drainage joint 21a side.Thus, corrugated flexible hose 22 does not bend to the part at right angle, It additionally is able to shorten further the length of corrugated flexible hose 22, it is possible to reduce flow passage resistance force of waterproof further.

Claims (5)

1. a tumbling-box washing machine, it is characterised in that possess:

The water jacket of washings is accumulated in inside；

Rotatably it is supported in the cylinder in above-mentioned water jacket；

Draw the washings in above-mentioned water jacket and in above-mentioned cylinder, carry out the circulating pump sprinkled water；

It is arranged at the airtrapping portion of the water level detecting of the foot of above-mentioned water jacket；

The flexible pipe extended towards the bottom of above-mentioned water jacket from above-mentioned circulating pump；And

Connect the bottom of above-mentioned water jacket and the drainage joint of above-mentioned flexible pipe,

The configured in one piece of above-mentioned drainage joint in being located further forward the position of side than the bottom surface of above-mentioned cylinder, and above-mentioned drainage joint is above-mentioned Side residing for circulating pump is hose connection with above-mentioned.

Tumbling-box washing machine the most according to claim 1, it is characterised in that

Above-mentioned airtrapping portion and above-mentioned drainage joint are provided independently from the rear in this drainage joint.

Tumbling-box washing machine the most according to claim 1 and 2, it is characterised in that

Above-mentioned airtrapping portion is integrally formed with above-mentioned water jacket.

Tumbling-box washing machine the most according to claim 1 and 2, it is characterised in that

The internal diameter of above-mentioned flexible pipe is more than 35mm.

Tumbling-box washing machine the most according to claim 1 and 2, it is characterised in that

Circular flow produced by above-mentioned circulating pump is more than 36 liters/min.