CN108221260A - Washing machine - Google Patents

Abstract

The washing machine of embodiments of the present invention has：Sink accommodates washings and is washed；And roller, the inside wall portion of the sink is rotatably freely set in the state of using axis direction as upper and lower directions, for by rotating the movement to promote washings；The roller is cylindrical, and is configured to its outer diameter and changes on upper-lower position.

Description

Washing machine

The application requires to be somebody's turn to do based on the Japanese patent application 2016-241193 that on December 13rd, 2016 submits The priority of application, and all the contents of the application are by quoting and comprising herein.

Technical field

Embodiments of the present invention are related to washing machine.

Background technology

In so-called longitudinal axis type washing machine, it is contemplated that be set to the upper surface part of the impeller of washing trench bottom can revolve The mode turned sets roller.In this case, two or three rollings are set in a manner of extending in impeller upper edge radial direction Column by these rollers, can be such that washings is rotated well on impeller.

It is being provided in the washing machine of roller on impeller as described above, by the mobile effect for the washings that roller generates Only a part of region on covering impeller, in the case that the laundry amounts of the washings in sink are more, it is difficult to be improved The effect of the clothing rotation of washings.Therefore, although setting roller in sink so that clothing rotates well, but it is desirable to Roller is set in a manner of further improving washing effect.

Invention content

The washing machine of present embodiment has：Sink accommodates washings and is washed；And roller, with axis side The inside wall portion of the sink is rotatably freely set in the state of for upper and lower directions, for promoting to wash by rotating Wash the movement of object；The roller is cylindrical, and is configured to its outer diameter and changes on upper-lower position.

Description of the drawings

Fig. 1 is the longitudinal cross-sectional side view for the structure for diagrammatically showing the washing machine involved by first embodiment.

Fig. 2 is the vertical profile section view for the structure that the sink involved by first embodiment is shown with the section different from Fig. 1 Figure.

Fig. 3 A are the front views of the first cover member involved by first embodiment.

Fig. 3 B are the rearviews of the first cover member involved by first embodiment.

Fig. 4 A are the longitudinal cross-sectional side views of the line A-A along Fig. 3 A of the first cover member involved by first embodiment.

Fig. 4 B are the cross-sectional plan views of the line B-B along Fig. 3 A of the first cover member involved by first embodiment.

Fig. 5 be show roller means installed relative to the first cover member involved by first embodiment before feelings The stereogram of shape.

Fig. 6 is during showing that roller means are dismounted relative to the first cover member involved by first embodiment Situation stereogram.

Fig. 7 A are the exploded perspective views of the slave back side observation of the roller means involved by first embodiment.

Fig. 7 B are the stereograms of the slave back side observation of the roller means involved by first embodiment.

Fig. 8 A are the front views of the holding member involved by first embodiment.

Fig. 8 B are the rearviews of the holding member involved by first embodiment.

Fig. 8 C are the longitudinal cross-sectional side views of the holding member involved by first embodiment.

Fig. 9 is the exploded perspective view of the roller involved by first embodiment.

Figure 10 A are the vertical profile sectional views of the roller principal part involved by first embodiment.

Figure 10 B are the vertical views of the roller principal part involved by first embodiment.

Figure 10 C are the bottom views of the roller principal part involved by first embodiment.

Figure 11 A are the stereograms of the cap involved by first embodiment.

Figure 11 B are the front views of the cap involved by first embodiment.

Figure 11 C are the longitudinal cross-sectional side views of the cap involved by first embodiment.

Figure 12 A are the rearviews on the top of the supporting structure for the axis for showing the roller involved by first embodiment.

Figure 12 B are the rearviews of the lower part of the supporting structure for the axis for showing the roller involved by first embodiment.

Figure 13 is the cross-sectional plan view for showing roller and side bulge part involved by first embodiment.

Figure 14 is the vertical profile sectional view for illustrating the situation in the roller involved by washings intrusion first embodiment.

Figure 15 is the rolling shown in the state of the roller shape involved by exaggeration expression first embodiment in sink The figure of the configuration of column.

Figure 16 is the rolling shown in the state of the roller shape involved by exaggeration expression second embodiment in sink The figure of the configuration of column.

Figure 17 is the rolling shown in the state of the roller shape involved by exaggeration expression third embodiment in sink The figure of the configuration of column.

Figure 18 is the rolling shown in the state of the roller shape involved by exaggeration the 4th embodiment of expression in sink The figure of the configuration of column.

Figure 19 is the rolling shown in the state of the roller shape involved by exaggeration the 5th embodiment of expression in sink The figure of the configuration of column.

Figure 20 is the rolling shown in the state of the roller shape involved by exaggeration expression sixth embodiment in sink The figure of the configuration of column.

Specific embodiment

In the following, with reference to attached drawing, to being applied to multiple embodiments of so-called longitudinal axis type washing machine (automatic washing machine) It illustrates.In addition, for part essentially common between multiple embodiments, using common reference numeral, and omit New diagram and repeated explanation.

(first embodiment)

Referring to figs. 1 to Figure 15, first embodiment is illustrated.First, with reference to Fig. 1, to involved by present embodiment The overall structure of washing machine 1 illustrate.Washing machine 1 is in the outer container 2 for being for example configured to rectangular box-like on the whole by steel plate Top, have overhead guard 3 made of plastics.The sink 4 of washings can be stored by being provided in the outer container 2, and sink 4 passes through public affairs Know that the resilient hanger mechanism (not shown) of structure is flexibly hung and supported.In addition, although it is not shown, still in sink 4 Bottom be formed with discharge outlet, the drainage path for having drain valve is connected in the discharge outlet.

In the sink 4, it is provided with the sink (rotation for the longitudinal axis type for being also used as being dehydrated slot in a rotatable way Slot) 5.As shown in Fig. 2, sink 5 is formed with multiple dewatering holes 17 on the whole in bottomed cylindrical in its peripheral wall portion.It is washing The upper end of slot 5 is equipped with the spin balancer 6 of such as liquid sealing type.In addition, the interior bottom in sink 5 is equipped with impeller 7.Receiving washings (not shown), carries out washing including the strokes such as the washing, rinsing, dehydration of clothing in the sink 5 Wash operation.It will be described hereinafter about the detailed construction inside sink 5.

The driving mechanism 8 of known features is equipped in the outer bottom of the sink 4.Although diagram in detail is omitted and says It is bright, but the driving mechanism 8 has the motor for washer 9 being for example made of the DC three-phase brushless motor of outer-rotor type.In addition, Driving mechanism 8 has hollow fluted shaft 10, through the agitating shaft 11 of the fluted shaft 10 and clutch etc., and the clutch will The rotary driving force of the motor for washer selectively passes to these axis 10,11.It is linked in the upper end of the fluted shaft 10 The swivelling chute 5.The impeller 7 is linked in the upper end of the agitating shaft 11.

The clutch for example using solenoid as driving source, and the control device by being formed based on computer into Row control.Here, in the stroke rinsed in washing and water storage, in a state that sink 5 fixes (stopping), clutch will The driving force of motor for washer 9 passes to impeller 7, and directly carry out forward and reverse rotation driving to impeller 7 via agitating shaft 11.Separately Outside, in the stroke of dehydration, in a state that fluted shaft 10 and agitating shaft 11 link, clutch is by the driving of motor for washer 9 Power passes to sink 5, and sink 5 (and impeller 7) is directly rotated with high speed to a direction via fluted shaft 10 Driving.

The overhead guard 3 is open in lower surface and its upper surface declines the inclined hollow box-like of thin type towards front.It is pushing up The central portion of cover 3 is formed with the entrance of generally circular washings positioned at the top of the sink 5.In the upper table of overhead guard 3 Face is provided with lid 12, the lid 12 rectangular panel shape on the whole, for being opened and closed the entrance.In addition, though it does not carry out in detail Thin diagram, but the preceding edge in the upper surface of overhead guard 3 is provided with the operation panel of horizontally long shape.Rear portion in overhead guard 3 is set It is equipped with the water supply mechanism to supply water into sink 4 (sink 5).

Here, with reference to Fig. 2, the sink 5 is illustrated.Specifically, sink 5 is configured to, in cylindrical shape Main part 15 lower end connection trench bottom 16, and link the spin balancer 6 in the upper end of main part 15.It is described Main part 15 is configured to the cylindrical shape of upper and lower surface opening by metal plate such as stainless steel plate.It is discussed below in removing for main part 15 Water route formation part (installation section of cover member) other than position, be formed with the dewatering holes 17 of multiple dehydrations.It is described Trench bottom 16 is made of plastics, and is formed as bulge shape, and passes through riveting and screw clamp is connected to the main part 15 Lower part.

Pump chamber 20 is formed between the border circular areas of interior bottom (upper surface) and the impeller 7 of the trench bottom 16. In addition, in the peripheral part of trench bottom 16, it is spaced in a circumferential direction at three positions of 120 degree of angles and is formed with outflux 21. The impeller 7 is disk-shaped in the protrusion in positive (upper surface) with flow generation, at its back side, in pump chamber 20 Position be provided integrally with along radial direction extend in laminal multiple pump blades 22.Thus centrifugal pump is formed, is passed through The rotation of impeller 7, cleaning solution (water and the water dissolved with detergent) in sink 5 is towards the peripheral direction (three of pump chamber 20 Outflux 21) it is discharged.

Moreover, the side of sidewall portion in the sink 5 is provided with water route (path of drawing water) 23, the water route (path of drawing water) 23 For the cleaning solution out of each outflux 21 of the pump chamber 20 suction sink 5, and cleaning solution is arranged from the top of sink 5 Go out and (spread water).Here, multiple such as three water routes 23 are spaced 120 degree of angles along the vertical direction on the circumferencial direction of sink 5 It is extended.In this case, cover portion is installed by the trench bottom 16 (21 part of outflux) in sink 5 to main part 15 Part forms each water route 23.

At this point, it in the present embodiment, when forming three water routes 23, is provided at two positions in sink 5 First cover member 24.It is provided at a remaining position and constructs second cover member 25 different from the first cover member 24.Its In, roller (roller means) is installed in the first cover member 24.About first cover member 24 and roller (roller means) Structure will be described hereinafter.

Second cover member 25 is made of the formed products of plastics, as shown in Figure 1 and Figure 2, longer in upper and lower directions on the whole It is generally plate like.Moreover, the second cover member 25 has principal part 25a of the configuration in the inner peripheral surface side of the main part 15.Also, one Having to body a downside linking part 25b and extension 25c, the downside linking part 25b is arranged on the lower part of principal part 25a, and with The outflux 21 of trench bottom 16 links, and the extension 25c is from the top of principal part 25a to 6 part of spin balancer along upper Square inner circumferential side is extended.The cross section of the principal part 25a is in the circle of the opposite lateral bend of curved surface formed to main part 15 Arcuation.

As shown in Figure 1, the rectangular aperture portion 25d of lengthwise is formed on the principal part 25a of the second cover member 25.It is somebody's turn to do with blocking The mode of rectangular aperture portion 25d has been removably installed filter element 26.Although not illustrated in detail, it is well known that, The filter element 26 is configured to, on the whole rectangular plate, has the limbers of multiple horizontally long slit-shapeds in its plate face, And the netted filter of capture velveteen is installed in its water flowing bore portion.

In addition, in the extension 25c of the second cover member 25, positioned at the lower section of the spin balancer 6, it is provided with and is washing The detergent input port 29 of the inner wall part opening of slot 5.Although not illustrated in detail, the second cover member 25 configured as described above Such as sink 5 is installed on by the engaging between engagement pawl and embedded hole.Although it at this point, is not illustrated, in cover The back side of component 25 is provided with sealing element along the edge of the left and right in Fig. 1.Pass through the sealing element, the back side of cover member 25 By water-stop between the internal face of sink 5, so as to form water route 23.

User can put into the desired amount of wash from the detergent input port 29 of cover member 25 in advance when starting washing operation Wash agent.Then, when washing operation starts, the impeller 7 rotates, following recycle is carried out：That is, make the washings in sink 5 Rise from the outflux 21 of pump chamber 20 along water route 23, and be supplied in sink 5 from the limbers of filter element 26.At this point, it throws The detergent entered is dissolved in water and is transported in sink 5.In addition, the velveteen (the end of a thread) contained in washings is by filter element 26 filter capture.By the way that filter element 26 is removed from the second cover member 25, it can easily be filtered the clear of device Reason.

Next, with reference to Fig. 3 A to Fig. 6, first cover member 24 is illustrated.First cover member 24 by plastics into Shape product are formed, and shape is roughly the same with above-mentioned second cover member 25.That is, the first cover member 24 is longer in upper and lower directions on the whole It is generally plate like, and have configuration main part 15 inner peripheral surface side principal part 24a.Link moreover, being provided integrally with downside Portion 24b and extension 24c, the downside linking part 24b are arranged on the lower part of principal part 24a, and with the outflux of trench bottom 16 21 connections, the extension 24c are extended from the top of principal part 24a to 6 part of spin balancer along top inner circumferential side.

As shown in Fig. 3 A, Fig. 3 B, extension 24c is configured to front surface and is open with reverse trapezoid shape, and thinning towards inboard Concavity, pass through the back side (water route 23) of communication port 30 and the principal part 24a that lower sidewall is formed in extension 24a Upper end be connected.In addition, as shown in figure 5, the front openings portion of extension 24c is equipped with discharge mask 32, discharge mask 32 Block the front openings portion of extension 24c.On the discharge mask 32, horizontally long slit-shaped is formed with positioned at the position by top Outlet 32a.

As shown in Figure 4 B, the principal part 24a is integrally formed as, the transversal curved surface formed towards main part 15 it is opposite The arc-shaped of lateral bend.In the rectangular-shaped region of lengthwise of the front surface part of principal part 24a, concave mounting portion 31 is provided with, The roller means that will be described hereinafter are installed on the mounting portion 31 in a manner of disassembly ease.The mounting portion 31 is in have a left side The rectangular-shaped box body shape of right side wall and the lengthwise of back wall and front surface opening.Lengthwise is formed in the back wall portion of mounting portion 31 Opening portion 31a, the opening portion 31a is towards for being configured the backside openings of the part of roller that will be described hereinafter. The roller that will be described hereinafter is set in a manner of being detached with water route 23.

In this case, as shown in figure 13, in principal part 24a, the left and right portion in the front openings portion of the mounting portion 31 Position is configured as the cover lateral curved wall 39,39 of curved wall, and when viewed from above, the cover lateral curved wall 39,39 is from left and right two End is gradually expanded towards central part to inner circumferential side.As will be described in detail later, these cover lateral curved walls 39,39 with The curved wall (holding member lateral curved wall) of holding member forms side bulge together.

Although not illustrated in detail, first cover member 24 is also by the card between such as engagement pawl and embedded hole Conjunction is installed on sink 5.At this point, as shown in Figure 3B, outer seal is provided integrally in the back side of the first cover member 24 Retention groove 24d and inboard seal retention groove 24e.Wherein, outer seal retention groove 24d is in the principal part of the first cover member 24 The side portion of the left and right of 24a and lower part linking part 24b ranges extends upward.Also, outer seal retention groove 24d is formed For the form of inverted " u " shape being connected on the tight top of communication port 30.In addition, inboard seal retention groove 24e is formed as surrounding The lengthwise of the outer periphery of above-mentioned mounting portion 31 (opening portion 31a) is rectangular box-like.

Outer seal 33 is kept in outer side seal retention groove 24d, the outer seal 33 is band-like to there is end.By This, along the outside in water route 23, by water-stop between the back side of the first cover member 24 and the internal face of main part 15.Separately Outside, the inboard seal 34 of frame-shaped is kept in inboard seal retention groove 24e.As a result, along the week in the outside of opening portion 31a Part is enclosed, by water-stop between the back side of the first cover member 24 and the internal face of main part 15.

In this way, between the internal perisporium of the first cover member 24 and sink 5 (main part 15), formed to make washings The water route 23 risen.In this case, as shown in Figure 3B, water route 23 is such as shown by arrow a, extends upward from outflux 21 To the lower part of mounting portion 31.Further, water route 23 is divided into Liang Ge branches from there, in the left and right of mounting portion 31 (opening portion 31a) Extend upward, one is merged into again on the top of mounting portion 31, and reach the communication port 30.Flow through washing for communication port 30 It washs water to reach in extension 24a (front-surface side), and is discharged in sink 5 from the outlet 32a of discharge mask 32.This In the case of, water route 23 is set to the position of the both sides for the roller that will be described hereinafter.

Moreover, it as shown in Figure 4 A, in the mounting portion 31 of the first cover member 24, is provided with positioned at its lower edge engaged Portion 35, the engaging portion 35 are used for the locking piece of the locking roller means that will be described hereinafter.Also, in the installation The upper edge in portion 31 is provided with embedded hole 36, and the fitting projection for the roller means that embedded hole 36 Gong will be described hereinafter is embedding It closes.Further, on mounting portion 31, positioned at it is described opening 30a top and lower part be provided with top maintaining part 37 and under Portion's maintaining part 38, the top maintaining part 37 and lower part maintaining part 38 are used for the upper end of the axis of roller and end portion It is not maintained at anti-dropout state.These top maintaining parts 37 and lower part maintaining part 38 are configured to, in horizontal stroke prominent forwards The front end face central portion in the piece portion of long plate shape has the recess portion 37a and 38a of " U " shape.

Shown in waiting as shown in Figure 1, Figure 2, in the inner wall part of above-mentioned sink 5, the state using axis direction as upper and lower directions rotates certainly Such as be provided with for by rotate promote washings movement cylindric roller 41.In the present embodiment, as schemed As being greatly exaggerated to show in 15, roller 41 is not diameter dimension impartial cylindrical shape on the whole in above-below direction, roller 41 Peripheral surface is in conical surface shape.That is, the outer diameter of roller 41 is by maximum in upper end and more downward more in a manner of being gradually reduced It changes.For example, the outer diameter of the upper end of roller 41 is 40mm, in contrast, the outer diameter of lower end is than upper end Outer diameter decimal mm or so, such as small 3mm are 37mm.

As shown in Fig. 5, Fig. 6 etc., in the present embodiment, roller 41 is kept component 42 and keeps, and is configured to roller list Member 43.In the state of roller means 43 are arranged to, roller 41 detachable (disassembly ease) it is installed on each first cover portion The mounting portion 31 of part 24.In the following, with reference to Fig. 7 A to Figure 15, roller 41 and roller means 43 are described in detail.

First, roller 41 is illustrated.As shown in Fig. 9 etc., roller 41 is configured to roller principal part 44, cap 45th, axis 46 made of metal and upper and lower bushing 47,47.Wherein, as shown in Figure 10 A to Figure 10 C, roller principal part 44 is by plastics Formed products are formed, in the hollow cylindrical of the lengthwise of upper surface open (lower face has bottom wall).Also, roller principal part 44 and its Bottom surface (lower end) continuously, is provided integrally with canister portion 48, and axis 46 is inserted and is held in cartridge 48.Canister portion 48 is in pipe Shape, and it is arranged to make the axis center portion of roller principal part 44 to extend to adjacent upper part towards axial (upper direction).

At this point, as illustrated in figure 10 c, in the bottom surface of roller principal part 44, there are three openings 49 for formation.These openings 49 are in an axial direction During observation with the configuration of 120 degree of angle intervals on the position for deviateing canister portion 48, and with the inner space (canister portion 48 of roller principal part 44 Peripheral side space) connection.In addition, as shown in Figure 10 B, in the inner peripheral surface of roller principal part 44, with outer with cartridge 48 The mode that circumference is connected is integrally formed with three ribs 44a with 120 degree of angle intervals.Further, in roller principal part 44 The top of inner peripheral surface is integrally provided three groups of cards for being useful for linking with cap 45 with 120 degree of angle intervals in a circumferential direction Dowel pin 44b and hook 44c.

Relative to the roller principal part 44, cap 45 is also made of formed products, and in cylinder lid.Such as Figure 11 A Shown in Figure 11 C, cap 45 is provided integrally with cylindrical wall 50, and the cylindrical wall 50 is from the circle for the upper surface for forming roller 41 Extend downwards below plate portion, and the inner peripheral surface of the embedded roller principal part 44.In the axis center portion of cap 45 one Ground is provided with canister portion 51, and cartridge 51 is extended downwards in a manner of penetrating through in the up-down direction, and the axis 46 is inserted into institute State cartridge 51.

In addition, as shown in Figure 11 A, Figure 11 B, the cylindrical wall 50 is provided with cam part 50a, the cam part 50a Be formed as obliquely cutting off the form of the top end part of cylindrical wall 50 in three positions of circumferencial direction, the roller principal part 44 Engagement pin 44b abuts the cam part 50a so as to relatively be guided.Also, in the end of cam part 50a, in upward It is provided with engaging recessed part 50b in concave shape.Be fixed engagement pin 44b in engaging recessed part 50b.Further, in cylindrical wall 50 There are three locking hole portion 50c for upper formation, and three locking hole portion 50c are with the hook 44c of the locking roller principal part 44 of anti-dropout state.

In this way, it is described to be embedded in cap 45 in a manner of being abutted by the cam part 50a of cylindrical wall 50 with engagement pin 44b After the upper end of roller principal part 44, it is rotated clockwise cap 45.Engagement pin 44b is fastened on engaging recessed part as a result, 50b, and thus hook 44c is installed on roller principal part 44 engaging in locking hole portion 50c.

Moreover, as shown in Figure 11 C, in the upper surface of upper surface, that is, cap 45 of roller 41, being provided integrally with prevents from pressing from both sides The firmly rib 52 of clothing.As illustrated in fig. 12, which is arranged to positioned at the peripheral side of axis 46, and in the ring-type holded up upward (a lower height of cylindrical shape).As will be described hereinafter, rib 52 blocks its rectangular aperture with holding member 42 Gap between the top of portion 53a, so as to prevent as washings clothing clip in the gap.It in addition, also such as will later As illustrating, the rib 52 be also used as mistake assembling prevent component, the mistake assemble prevent component enable roller 41 with Correctly direction is held in holding member 42, and cannot be held in holding member 42 with opposite direction.

As described above, by installing cap 45, and axis 46 is made to be inserted into canister portion 48 and canister portion 51 in roller principal part 44 Inside, and using upper and lower bushing 47,47 come fixing axle 46, so as to assemble roller 41.In this way, as shown in Figure 7 A, roller 41 It is configured to, axis 46 is made to penetrate through its axis center portion, and the upper and lower ends for making the axis 46 from roller 41 are lower prominent fraction of upwardly Length.

Relative to the roller 41 of above structure, holding member 42 is formed as follows.That is, such as Fig. 7 A, Fig. 7 B, Fig. 8 A extremely Shown in Fig. 8 C, holding member 42 is made of formed products, on the whole in the mounting portion 31 for blocking first cover member 24 Lengthwise is rectangular-shaped, and is configured to back side side opening and the relatively thin box body shape of front-rear direction.The front surface center of holding member 42 Portion is arranged to bulge 53, and when from upper surface, the bulge 53 is heaves towards front in arc-shaped (half cone-shaped) Shape.Also, be formed on the bulge 53 for make roller 41 peripheral surface in a part (insufficient whole half Area) expose rectangular aperture portion 53a.The length dimension of rectangular aperture portion 53a and roller 41 correspondingly, be formed as The chimeric upper and lower directions length of roller 41.

At this point, as shown in Fig. 8 A and Figure 13 etc., in the front surface part of the bulge 53 of holding member 42, positioned at opening The part of the left and right of portion 53a is configured as the holding member lateral curved wall 61,61 of curved wall.Such as it will be described hereinafter As, these holding member lateral curved walls 61,61 are continuous with cover lateral curved wall 39,39, with cover lateral curved wall 39,39 together structure Into side bulge 62,62.Side bulge 62,62 is set to the position of the both sides of roller 41, relative to the roller 41 Exposing periphery wall surface be connected in a manner of showing smooth curve, play the work(that washings is swimmingly guided to the roller 41 Energy.In addition, in the present embodiment, holding member lateral curved wall 61,61 is configured to, and curvature viewed from above is in institute State the shape more changed near roller 41 along the mode of the peripheral surface of roller 41.

Further, as shown in Figure 8 C, in the front surface part of the bulge 53 of holding member 42, positioned at opening portion 53a's The part on top is arranged to top bulge 63.Also, it is located at opening portion 53a lower parts in the front surface part of bulge 53 Part is arranged to lower part bulge 64.Top bulge 63 is located at the top of roller 41, with relative to the upper end of the roller 41 The smooth connected mode in portion is set.Similarly, lower part bulge 64 is located at the lower part of roller 41, with relative under the roller 41 The mode that smooth end is connected is set.

As shown in Fig. 7 A, Fig. 8 B, Figure 12 A, Figure 12 B, in the back side of holding member 42 (inner face) side, positioned at rectangular aperture portion The upper end of 53a is provided integrally with top wall portion 54.In addition, in the back side of holding member 42, positioned at rectangular aperture portion 53a Lower end be provided integrally with lower part wall portion 55.At this point, in top wall portion 54, width is formed in a manner of rearwardly side opening Degree wider upper notch portion 54a, upper notch portion 54a can be configured and (pass through) rib 52 of the roller 41.Under described Portion's wall portion 55 is formed with the down gap portion 55a of narrower width in a manner of rearwardly side opening, the down gap portion 55a energy Enough pass through the axis 46 of the roller 41.

As shown in Fig. 7 A, Fig. 7 B, Fig. 8 A to Fig. 8 C, in the back side of holding member 42 (inner face) side, positioned at top wall portion 54 position slightly above is provided integrally with upper axis bearing portion 56, and the upper axis bearing portion 56 is used for the axis 46 to roller 41 Upper end rotatably freely carry out pivot suspension.Also, it is integrally set in the position of the slightly lower section positioned at lower part wall portion 55 Lower bearing portion 57 is equipped with, the lower bearing portion 57 is used to rotatably freely carry out pivot to the lower end of the axis 46 of roller 41 Bearing.These upper axis bearing portion 56 and lower bearing portion 57 are respectively provided with the notch section 56a of " U " shape of overleaf side opening And 57a.The axis 46 of roller 41 is inserted into notch section 56a and 57a from back side, thus upper axis bearing portion 56 and lower bearing Portion 57 rotatably freely carries out pivot suspension to roller 41.

Further, it in the holding member 42, is provided with to pacify 43 disassembly ease of roller means as follows The structure of mounting portion 31 loaded on first cover member 24.That is, as shown in Fig. 7 A, Fig. 7 B, Fig. 8 A to Fig. 8 C, in holding member 42 lower end is provided integrally with the locking piece 58 of horizontally long shape prominent downwards.The locking piece 58 is inserted from above into institute The inside of the engaging portion 35 of mounting portion 31 is stated, thus the lower end of holding member 42 is engaged into the shape for preventing from coming off forwards State.

On the other hand, as shown in Fig. 8 A to Fig. 8 C, grip 59 is provided integrally in the upper end of holding member 42.It should Grip 59 have up and down the upper sheet portion 59a extended forwards from the wall portion of the upper end back side of holding member 42 and under Piece portion of portion 59b, these upper sheet portion 59a and lower plate portion 59b being capable of flexible deformations in the up-down direction.At this point, such as Fig. 6 institutes Show, in the downside of lower plate portion 59b, the recess portion 59c that user is inserted into finger is provided with the concavity in front surface opening.On Piece portion of portion 59a is located at the upper end of holding member 42, as shown in figure 5, being provided in the upper surface of upper sheet portion 59a relative to described The fitting projection 60 that the embedded hole 36 of mounting portion 31 is fitted into a manner of removable.In this way, user grasps in the up-down direction Hand 59 can reduce the interval of upper sheet portion 59a and lower plate portion 59b, so as to make upper sheet portion 59a (Fig. 8 C downwards Arrow b directions) flexible deformation.In this state, fitting projection 60 can be dismounted relative to embedded hole 36.

As shown in Figure 7 A, in the roller means of above structure 43, roller 41 is received relative to holding member 42 from back side Hold and be maintained in bulge 53.Specifically, the upper end of the axis 46 of roller 41 is inserted into the notch section of upper axis bearing portion 56 56a, so as to rotatably freely by pivot suspension.At this point, the rib 42 of the upper end face of roller 41 is configured at the width of top wall portion 54 In the wider upper notch portion 54a of degree.Also, the lower end of axis 46 is inserted into the notch section 57a in lower bearing portion 57, so as to revolve Turn freely by pivot suspension.At this point, in axis 46, the tight low portion of the lower face of roller 41 is configured in lower part wall portion 55 In the down gap portion 55a of narrower width.

In this way, as shown in Fig. 7 B etc., roller 41 is kept in a manner of being rotated freely relative to holding member 42, roller 41 The part (part of slightly narrow range than half cycle) of toe lateral be configured in rectangular aperture portion 53a, and expose forwards.Separately Outside, as illustrated in fig. 12, under the hold mode, the rib 52 of the upper surface of roller 41 is configured in the upper end surface side with roller 41 Gap portion between rectangular aperture portion 53 plays the function of preventing from clamping clothing.At this point, by Figure 12 A, Figure 12 B it is found that due to There are rib 52, therefore even if roller 41 is installed on holding member 42 upside down, rib 52 can also be stuck in lower part wall portion 55.Being formed as a result, can not be held in roller 41 upside down the construction of holding member 42.

Moreover, the mounting portion 31 of the first cover member 24 relative to the inner wall part of sink 5, is pacified in a manner of disassembly ease It loads onto and states roller means 43.When installing roller means 43 to mounting portion 31, first, by the locking piece of the lower end of holding member 42 58 are inserted into the inside of the engaging portion 35 of the lower edge of mounting portion 31 from oblique upper, so as to the card of the lower end of locking holding member 42 Stator 58 (with reference to Fig. 6).Next, grasping grip 59, making upper sheet portion 59a on one side, (arrow b directions) elasticity becomes downwards The top of roller means 43 is embedded in mounting portion 31 by shape on one side.Make fitting projection 60 chimeric relative to embedded hole 36 as a result,.This Outside, the installation of roller means 43 is carried out respectively to the first cover member 24 at two.

Roller means 43 are installed in a manner of being embedded in mounting portion 31 as a result,.At this point, as shown in Figure 1, in roller means 43 Back side is provided with top maintaining part 37 and lower part maintaining part 38 in the first cover member 24.As a result, in the axis 46 of roller 41 Upper end, the tight lower part of upper axis bearing portion 56 by top maintaining part 37 prevent rearward (back side) fall off.Separately Outside, in the lower end of axis 46, rearward (back side) hair is prevented by lower part maintaining part 38 on the tight top in lower bearing portion 57 Life comes off.

Under the installation condition being mounted in the roller means 43, as shown in Figure 1 and Figure 2, roller 41 is using axis direction as upper and lower To and be rotatably freely configured inner wall part in sink 5.It is rotated by roller 41 itself, promotes washings along sink 5 Inner wall move in a circumferential direction.At this point, as shown in figure 15, in two positions of the circumferencial direction of the inner wall part of sink 5 Place, two rollers 41 are configured in the upper and lower directions middle portion of sink 5.Here, roller 41 is configured in the upper and lower of sink 5 Direction middle portion refers to that certain part of the upper and lower directions of roller 41 is located at the shape of the medium line M of the short transverse of sink 5 State.

As shown in Figure 13 etc., roller 41 (central shaft) is positioned at the position of the more inner side of inner wall part than sink 5.It is washing The inner wall part of slot 5 is washed, the both sides of roller 41 are provided with side bulge 62,62, the side bulge 62,62 is opposite It is connected in a manner of showing smooth curve in the exposing periphery wall surface of roller 41, for swimmingly guiding washing to the roller 41 Object.In the present embodiment, side bulge 62 is configured to, and makes to be set to the holding member lateral curved wall 61 of holding member 42 With being set to the cover lateral curved wall 39 of the first cover member 24 continuously.As shown in figure 13, in holding member lateral curved wall 39, from upper The curvature just observed by near roller 41 along the peripheral surface of roller 41 in a manner of change.Further, positioned at roller 41 Top be provided with the smooth connected top bulge 63 in upper end relative to the roller 41.Also, under roller 41 Portion is provided with the smooth connected lower part bulge 64 in lower end relative to the roller 41.

In addition, as shown in figure 14, under the installation condition being mounted in the roller means 43, the opening of the lower surface of roller 41 49 in the gap at multiple positions on holding member 42 and sink 5 by connecting.Therefore, in the row of washing and water storage rinsing Cheng Zhong, the washings in sink 5 are flowed to the direction opposite with arrow c, inside 49 intrusion rollers 41 of opening.But from During 5 internal drainage of sink, the direction flowing shown in the washings to arrow c in roller 41 is arranged by opening 49 out of roller 41 Go out.

When dismantling roller means 43 from mounting portion 31, in contrast to the above, user grasps grip 59, makes upper sheet portion 59a (arrow b directions) flexible deformations downwards.In this state, fitting projection 60 will be extracted downwards from embedded hole 36, and To the top for nearby pulling out holding member 42 (with reference to Fig. 6).Next, pulling locking piece 58 obliquely upward, locking piece 58 is released Locking between engaging portion 35, thus, it is possible to dismantle roller means 43.In addition, for being torn open from sink 5 (mounting portion 31) For roller means 43 after lower, can roller 41 easily be removed from holding member 42, and can also be easily installed.

Next, the effect and effect to the washing machine 1 of above structure illustrate.In said structure, due to washing The inner wall part for washing slot 5 is rotatably freely provided with roller 41, therefore the movement of washings that will promote in sink 5, Neng Gouti High washing effect.In this case, roller 41 is configured to the state using axis direction as upper and lower directions, therefore, in sink 5 Inside wall portion, be not limited only to a part of region on impeller 7, in bigger range, the rotation of the clothing of washings is good, This is highly effective.Here, in the case that the laundry amounts of the washings especially in sink 5 are more, washings is difficult to rotate, It is uneven to be likely to cause decontamination.However, so-called clothing rotation can be carried out well by roller 41, can eliminate this Decontamination is uneven.

Moreover, because roller 41 is cylindrical, and its outer diameter changes on upper-lower position, is configured to herein The outer diameter on top is bigger than lower part, therefore the washings contacted with roller 41 can not only be made to move in the horizontal, but also can Pass through the power relative to face (conical surface) application inclined vertically downwards.Therefore, washings can not only be made in rotation (circle Week) it rotates well on direction, but also washings can be promoted to replace up and down in sink 5, so as to improve cleaning performance. As a result, according to the present embodiment, setting roller 41, can be such that clothing rotates well in sink 5, can obtain into One step improves excellent effect as washing effect.

At this point, in the present embodiment, roller 41 is arranged on the position of the upper and lower directions middle portion in sink 5 It puts.Thereby, it is possible to apply downward power to the washings for being located at the middle portion position in sink 5 by the rotation of roller 41, Washings upper and lower directions can be promoted to replace on the whole.

In addition, in the present embodiment, additionally it is possible to obtain following effect and effect.That is, roller 41 is configured to opposite It is detachable in sink 5.Even if as a result, there is easily dirt is adhered near the mounting portion of roller 41 the phenomenon that, Yong Huye Roller 41 can easily be removed to be cleared up, spatter property can be improved.It is provided with to rotate freely on holding member 42 Ground keeps the bearing portion 56,57 of roller 41.It is therefore not necessary to by with easy attachment spot, in other words spot answering of being difficult to remove The part of miscellaneous shape is set to 5 side of sink, can further improve spatter property.

The grip 59 of finger is placed when being provided on holding member 42 for dismounting roller means 43, therefore, is led to The dismounting operation of roller means 43 can simply be carried out using grip 59 by crossing.It is provided on holding member 42 to roller 41 The axis 46 at both ends carries out the bearing portion 56,57 of pivot suspension.Thereby, it is possible to rolling is rotatably freely kept by bearing portion 56,57 Column 41, without setting bearing function in 5 side of sink.

In addition, in the end face of roller 41, positioned at the peripheral side of axis 46, to block its rectangular aperture portion with holding member 42 The mode in the gap between 53a is provided with the rib 52 for preventing from clamping clothing.Thereby, it is possible to the clothing of washings is prevented by rib 52 Object is clipped in the gap between the upper edge of roller 41 and rectangular aperture portion 53a, this is more effective technique feature.In this feelings Under condition, sometimes since the dead weight of roller 41 can cause the upper end side of roller 41 to be easier between holding member 42 than lower end side Generate gap.End face by the upside that rib 52 is arranged on to roller 41 can more efficiently prevent from clamping clothing.

Moreover, being configured to be also used as mistake assembling by rib 52 prevents component, which, which assembles, prevents component from enabling roller 41 It is enough that holding member 42 is held in correct direction, and prevent roller 41 from being held in holding member 42 with opposite direction.By This, can prevent the mistake that roller 41 is assembled in holding member 42 with opposite direction from assembling.Since rib 52 is also used as mistake Assembling prevents component, therefore compared with mistake assembling is separately set to prevent the situation of component independently of rib 52, can simplify structure.

The roller 41 includes roller principal part 44 and is installed on the cap 45 of the one end of the roller principal part 44, by that will cover Portion 45 is installed its rotation after being embedded in roller principal part 44.Thereby, it is possible to simply be installed relative to roller principal part 44 Cap 45 can easily carry out the assembling operation of roller 41.More specifically, it sets and engages in the inner peripheral surface of roller principal part 44 44b is sold, and on cap 45 engaging recessed part 50b is set and relatively guides that engagement pin 44b's is convex towards engaging recessed part 50b Wheel portion 50a.Thereby, it is possible to realize to hold easy-to-assemble roller 41 by comparing simple structure.

In the mounting portion 31 of first cover member 14, it is provided with and cooperates with holding member 42 by the axis of roller 41 46 are maintained at the top maintaining part 37 of anti-dropout state and lower part maintaining part 38.It is individually kept with holding member 42 as a result, The situation of axis 46 is different, can simplify the construction of the bearing portion 56,57 of holding member 42.Also easily from roller means 43 during dismounting In remove roller 41.

In the present embodiment, roller 41 is configured to hollow form, and be configured in its lower face setting opening 49.By This, even if in cleaning solution intrusion roller 41, also easily can discharge the cleaning solution from opening 49, can prevent cleaning solution from storing In roller 41.Certainly also roller 41 can be manufactured with lighter weight and with cheap price.At this point, when observing in an axial direction, The opening 49 of roller 41 is configured at the position of canister portion 48 deviateed and kept to axis 46.Therefore, it is formed with formed products During roller 41 (roller principal part 44), opening 49 is easily formed.

In addition to this, further, in the present embodiment, in the both sides of the roller 41 of sink 5, it is provided with opposite In the side bulge 62,62 that the exposing periphery wall surface of roller 41 is connected in a manner of showing smooth curve.Washings as a result, By roller 41 swimmingly morning dew go out peripheral wall surfaces guiding.In this case, washings will not get lodged in or be stuck in roller 41 Point, washings can be made swimmingly to move.

At this point, side bulge 62 is arranged on made of plastics in 42 and first cover member 24 of holding member.As a result, It can be realized with cheap price, also, side bulge 62 can be easy to set up shape is more complicated.Roller 41 (roller means 43) are also easily carried out relative to disassembling operations of sink 5 etc..In the present embodiment, 62 quilt of side bulge It is arranged to the 39 continuous form of cover lateral curved wall of 61 and first cover member 24 of holding member lateral curved wall of holding member 42.This Sample can set side bulge 62 in a manner of showing more smooth curve in wide range.

Especially in the present embodiment, in holding member lateral curved wall 61, it is configured to curvature viewed from above It changes near roller 41.It, can be smooth to roller 41 as a result, by showing the side bulge 62 of smooth curve Ground guides washings.Also, near roller 41, the shape for being more suitable for preventing clothing from blocking and blocking can be formed.Due to The position on the top of roller 41 is being provided with top bulge 63, therefore clothing can be also prevented in the upper part of roller 41 Object is blocked and is blocked.Due to being provided with lower part bulge 64 in the position of the lower part of roller 41, in the lower part portion of roller 41 Dividing can also prevent clothing from blocking and blocking.

Moreover, in the present embodiment, the first cover member 24 in the inside wall portion of sink 5 plays installation rolling Column 41 and formation the two functions of water route 23, can correspondingly simplify structure, save space.At this point, to divide with the water route 23 From mode the roller 41 is set, therefore, by the design in water route 23, be easily adjusted the water in (setting) water route 23 flow direction and Drain position, flow etc..Situation about being located at from roller 41 in water route 23 is different, and velveteen is difficult to hang over or get lodged on roller 41, It can be ensured that the good flow in water route.

In the present embodiment, in the first cover member 24, the back side of roller 41 is provided with opening portion 31a.It is logical Cross opening portion 31a, it can be ensured that the gap between the inner peripheral surface of roller 41 and sink 5 can make the configuration space of roller 41 In the radially smaller of sink 5.Between first cover member 24 and sink 5, the outside of opening portion 31a is being surrounded Inboard seal 34 is provided on position.Water route 23 is arranged on the outside of opening portion 31a as a result, and is surrounded opening portion 31a's Inboard seal 34 seals, therefore can prevent the washings at the 31a of opening portion from leaking out.Water route 23 in first cover member 24 is set It puts positioned at the position of the both sides of roller 41, therefore water route 23 and roller 41 can be configured compactly, and can The sectional area (flow of water) in water route 23 is ensured larger.

(second embodiment)

Figure 16 is the figure for showing second embodiment.The difference of the second embodiment and above-mentioned first embodiment It is the configuration of roller 41.That is, in this second embodiment, employ with first embodiment it is same, be configured to it is outer The roller 41 that diameter size changes and (tapers into) from upper end to lower end.Moreover, two rollers 41 are arranged on and are located at The position by top in sink 5.Here, referring to by top, roller 41 is located at more closer to the top than the medium line M of sink 5 Position.

According to the second embodiment, setting roller 41, can be such that clothing rotates well in sink 5, and will rolling The outer diameter that column 41 is configured to top is bigger than lower part.Thereby, it is possible to apply power downward to washings, can further improve Washing effect.At this point, due to the position by top roller 41 being arranged in sink 5, can pass through roller 41 rotation applies downward power to the washings for being located at the epimere portion in sink 5.It as a result, can be on the whole into one Step promotes the transposition of washings upper and lower directions.

(third embodiment)

Figure 17 is the figure for showing third embodiment.The difference of the third embodiment and above-mentioned first embodiment It is the structure of roller 71.The roller 71 is with above-mentioned roller 41 on the contrary, outer diameter is in upper end minimum and more downward Bigger mode changes, that is to say, that is configured to the conical surface for having the outer diameter of lower part bigger than top.The roller 71 is in sink The upper and lower directions middle portion of sink 5 is configured at two positions of the circumferencial direction of 5 inner wall part.

According to the third embodiment, the washings contacted with roller 71 can be made to carry out clothing well in a circumferential direction Object rotates.Also, the outer diameter of the lower part of roller 71 is bigger than top, and thus, it is possible to apply upward power to washings.As a result, Washing effect can be further improved.It in addition, can be by the rotation of roller 71 to being located at the washing of the middle portion in sink 5 Object applies upward power, and washings upper and lower directions can be promoted to replace on the whole.

(the 4th embodiment)

Figure 18 is the figure for showing the 4th embodiment.The difference of 4th embodiment and above-mentioned third embodiment It is, the configuration of roller 71 formed in a manner that outer diameter changes and (becomes larger) from upper end to lower end.That is, In the 4th embodiment, two rollers 71 are arranged on the position by lower part in sink 5.Here, by lower part Refer to, position of the roller 71 positioned at the medium line M than sink 5 more on the lower.Thereby, it is possible to be washed by roller 71 to being located at The washings in the hypomere portion in slot 5 applies upward power, and washings upper and lower directions can further be promoted to replace on the whole.

(the 5th embodiment)

Figure 19 is the figure for showing the 5th embodiment.5th embodiment it is different from above-mentioned first embodiment etc. it It is in following aspect.That is, in the inner wall part of sink 5, the position different in a circumferential direction as roller is provided with first 72 and second roller 73 of roller, the outer diameter that first roller 72 is configured to top is bigger than lower part, 73 quilt of the second roller The outer diameter for being configured to lower part is bigger than top.First roller 72 is in the same manner as the roller 41 of above-mentioned first embodiment etc., peripheral surface It is arranged to the conical surface.For second roller 73 in the same manner as the roller 71 of above-mentioned third embodiment etc., peripheral surface is arranged to the conical surface. In addition, upper and lower directions middle portion of these rollers 72,73 configuration in sink 5.

According to the 5th embodiment, washings is contacted with the first roller 72, is thus applied in downward power, washings with Second roller 73 contacts, and is thus forced upwards.Make above and below washings therefore, it is possible to the different location in sink 5 It is mobile, washings upper and lower directions can be promoted to replace on the whole.

(sixth embodiment)

Figure 20 is the figure for showing sixth embodiment.The difference of the sixth embodiment and above-mentioned 5th embodiment It is the configuration of the first roller 72 and the second roller 73.That is, the first roller 72 is arranged on leans on top in sink 5 Position, the second roller 73 is arranged on the position by lower part in sink 5.Thereby, it is possible to further promote to wash Object upper and lower directions replaces.

(other embodiment)

In addition, it in the respective embodiments described above, although being configured to set two rollers in sink, can also set Put a roller or the roller of setting three or more.Although not shown, still in the feelings for the roller for setting three or more Under condition, can also be arranged to by roller be arranged respectively at sink by the position on top, middle portion, by position of lower part etc. State the combination of multiple embodiments.In addition, the shape and structure of roller also contemplate for various modifications example.For example, it may be by upper The part in lower direction be set as the shape of the constant straight tube of diameter or in above-below direction middle part have shrink (or Person expands) shape etc..

It also is able to use and is not provided with axis in roller and structure of axle portion etc. is integrally provided in end face portion.Further, it protects Holding the structure of the holding member of roller can also make various changes.In addition, in the above-described first embodiment, it has been arranged to It forms in the holding member of roller means and keeps the structure of roller in a rotatable way, but can also be arranged in sink (cover member) side sets pivotal bearing part, thus the rotatably freely structure of supporting roller.As a result, with the situation phase of blocking Than that number of components can be inhibited less, realize simple and cheap structure.The shape and construction of side bulge Various modifications example is also contemplated for, such as can be arranged to be positioned only on holding member or be positioned only at cover by side bulge Structure on component.

The above embodiment proposes as an example, it is not intended that limits the protection domain of invention.These novel realities The mode of applying can be implemented with various other ways, in the range of without departing substantially from invention objective, can carry out it is various omit, replace, Change.This embodiment and its variation is included in protection domain and the objective of invention, also, included in claims institute In the invention of record and its equivalent range.

Claims (9)

1. a kind of washing machine, has：

Sink (5) accommodates washings and is washed；And

Roller (41,71,72,73), is rotatably freely set to the sink in the state of using axis direction as upper and lower directions (5) inside wall portion, for by rotating the movement to promote washings；

The roller (41,71,72,73) is cylindrical, and is configured to its outer diameter and changes on upper-lower position.

2. washing machine according to claim 1, wherein,

The outer diameter that the roller (41,72) is configured to top is bigger than lower part.

3. washing machine according to claim 2, wherein,

The roller (41,72) is arranged on the position of the upper and lower directions middle portion in the sink (5).

4. washing machine according to claim 2, wherein,

The roller (41,72) is arranged on the position by top in the sink (5).

5. washing machine according to claim 1, wherein,

The outer diameter that the roller (71,73) is configured to lower part is bigger than top.

6. washing machine according to claim 5, wherein,

The roller (71,73) is arranged on the position of the upper and lower directions middle portion in the sink (5).

7. washing machine according to claim 5, wherein,

The roller (71,73) is arranged on the position by lower part in the sink (5).

8. washing machine according to claim 1, wherein,

The roller (72,73) includes the first roller (72) and the second roller (73), and first roller (72) is configured to The outer diameter in portion is bigger than lower part, and the outer diameter that second roller (73) is configured to lower part is bigger than top；

First roller (72) and the second roller (73) are arranged at different positions on the circumferencial direction of the sink (5) It puts.

9. washing machine according to claim 8, wherein,

First roller (72) is arranged on the position by top in the sink (5)；Second roller (73) it is arranged on the position by lower part in the sink (5).