CN107299481B - Washing machine - Google Patents
Washing machine Download PDFInfo
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- CN107299481B CN107299481B CN201710217656.2A CN201710217656A CN107299481B CN 107299481 B CN107299481 B CN 107299481B CN 201710217656 A CN201710217656 A CN 201710217656A CN 107299481 B CN107299481 B CN 107299481B
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- Prior art keywords
- flank
- stirring blade
- sink
- peripheral side
- circumferential
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
- D06F17/10—Impellers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The present invention provides a kind of reduction of the rigidity that can reduce stirring blade and does not excessively improve rotation speed and can increase the washing machine of quantity of circulating water.Stirring blade (3) has the multiple back side blades (33) extended radially and extension in the circumferential and interval configures radially peripheral side flank (35) and inner circumferential side flank (36 in the back side of stirring blade (3), 37), the height and position (Hm) for being located at the entrance (27) than circulation waterway (R) positioned at the front end (35a) of the peripheral side flank (35) of the peripheral side of stirring blade (3) more leans on the side bottom surface (22a1), inner circumferential side flank (36 positioned at side more inner than peripheral side flank (35), 37) front end (36a, 37a) it is located at the front end (35a) than peripheral side flank (35) further from the side of bottom surface (22a1).
Description
Technical field
The present invention relates to the washing machines for being provided with the circulation waterway that the water for making sink recycles.
Background technique
In the past, following technical solution is proposed in washing machine: the impeller (paddle in the bottom for being set to sink
Piece) back side the back side blade that radially extends is set, and circulation waterway is set in the side of sink, revolves impeller
Turn, so that the water of the bottom of sink be squeezed out to circulation waterway, and then recycles washing water.
In addition, it is expected that increasing quantity of circulating water, for example, proposing removal circumferential flank, and increasing to improve scourability
Import the technical solution (referring to patent document 1) of the water between the blade of the back side.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2014-230554 bulletin
However, in the case where eliminating circumferential flank, the rigidity of impeller reduces as described in Patent Document 1,
The deflection of impeller increases.Accordingly, it is considered to arrive the deflection, need to increase the gap being set between impeller and sink.If
Increase the gap, as long as not increasing the height dimension for determining the volume in sink then, just there is the project of bath raio reduction.
In addition, proposing the rotation speed for improving impeller as the other means for increasing quantity of circulating water, pass through its machinery
The technical solution of power increase quantity of circulating water.But in the case where improving the rotation speed of impeller, there are the clothes of washings
Friction is easy to produce the project of cloth damage.
Summary of the invention
The present invention solves above-mentioned previous project, and its purpose is to provide the rigidity drops that one kind can reduce stirring blade
It is low and do not improve rotation speed excessively to increase the washing machine of quantity of circulating water.
It is a feature of the present invention that having: sink;It is set to the stirring blade of the bottom of above-mentioned sink;And it will
The water in above-mentioned sink that above-mentioned stirring blade is extruded when rotating guides to the top of the sink and makes following for its circulation
Ring water route, above-mentioned stirring blade in the back side of above-mentioned stirring blade had the multiple radial flanks extended radially and in weeks
Upwardly extend and radially interval configuration multiple circumferential flanks, positioned at the above-mentioned of the peripheral side of above-mentioned stirring blade
The height and position that the front end of circumferential flank that is, peripheral side flank is located at the entrance than above-mentioned circulation waterway more leans on above-mentioned bottom
Side, positioned at the above-mentioned circumferential flank of side more inner than above-mentioned peripheral side flank that is, the front end of inner circumferential side flank is located at than upper
The front end of peripheral side flank is stated further from the side of above-mentioned bottom.
Effect of the invention is as follows.
In accordance with the invention it is possible to which the rigidity reduction of stirring blade can be reduced and not improve rotation speed excessively by providing one kind
To increase the washing machine of quantity of circulating water.
Detailed description of the invention
Fig. 1 is the schematic diagram for indicating the Inner Constitution of washing machine of present embodiment.
Fig. 2 is the longitudinal sectional view for indicating the Inner Constitution of sink of present embodiment.
Fig. 3 is the cross-sectional view for indicating to have removed the inside of sink of stirring blade.
Fig. 4 is the perspective view for indicating the back side of stirring blade.
Fig. 5 is the cross-sectional view for indicating the positional relationship of entrance and radial flank of circulation waterway.
Fig. 6 is the perspective view for indicating the back side of the stirring blade as comparative example.
Fig. 7 indicates the flowing of water caused by circumferential flank, and Fig. 7 (a) is present embodiment, and Fig. 7 (b) is comparative example.
Fig. 8 shows the image views of spray diffusion, and Fig. 8 (a) is present embodiment, and Fig. 8 (b) is comparative example.
In figure:
1-washing machine, 2-sinks, 3-stirring blades, 21-mainboards, 22-bottom plates, 22a-bottom (bottom),
22a1-bottom surface, 22b-side, 23-balance rings, the lower surface of 23-balance rings, 24,25-circulation stream components, 24b1-
Flange part, 27-entrances, 31-outlets, 33-back side blades (radial flank), 35-peripheral side flanks (circumferential flank),
35a-peripheral side flank front end, 36,37-inner circumferential side flanks (circumferential flank), the front end of the inner circumferential side 36a, 37a-flank,
D-radial direction, Hm-entrance height and position, R-circulation waterway, W-circumferential direction.
Specific embodiment
Hereinafter, suitably referring to attached drawing to mode for carrying out the present invention (hereinafter referred to as " embodiment ") in detail
It is illustrated.In addition, hereinafter, enumerating for the washing machine (so-called automatic washing machine) for being able to carry out washing, rinsing, dehydration
It is illustrated, but can also apply to washing machine (the so-called vertical type washing drying for being able to carry out washing, rinsing, dehydration, drying
Machine).
Fig. 1 is the schematic diagram for indicating the Inner Constitution of washing machine of present embodiment.
As shown in Figure 1, washing machine 1 be configured to have in the outline border (cabinet) 5 of the steel plate of substantially box-shaped sink 2,
The circulation waterway R for being set to the stirring blade 3 of the bottom of sink 2 and recycling washing water.
Sink 2 is configured to be in have bottom cylindrical shape, and have the bottom plate 22 of mainboard 21, the bottom for being set to the mainboard 21
And balance ring 23 on top for being set to mainboard 21 etc..
Stirring blade 3 (also referred to as pulsation fan disk, impeller) is shaped generally as bottom that is discoid, and being set to sink 2
Portion.In addition, stirring blade 3 in such a way that driving device 6 is rotated can be supported.
As a result, in washing, when rinsing, each washings 12 can be made in washing water and rotating stirring blade 3
Middle stirring.
Circulation waterway R is configured to be set to the wall surface of sink 2, and by the rotation of stirring blade 3 by washing water (water)
From the bottom of sink 2 to the top ejection of sink 2, washing water (water) is made to return to the inside of sink 2 to be recycled.Separately
Outside, circulation waterway R is set to many places of the wall surface of sink 2.
In addition, washing machine 1 has in the framework of outline border 5 by the outer groove 7 built in sink 2 on the same axis.The outer groove 7
By synthetic resin system and be formed as bottomed cylindrical, and utilize from the suspention support of the upper end of outline border 5 by helical spring, elasticity
The antihunting device 8 etc. that rubber is constituted carries out vibrationproof support of hanging down.In addition, outer groove 7 bottom outside be provided with drain valve 13 with
And scupper hose 11, the discharge outlet 7a for being set to the bottom of outer groove 7 are connect via drain valve 13 with scupper hose 11.
In addition, washing machine 1 have the control unit 19 as control mechanism, the electromagnetism feed water valve 16 as water supply mechanism,
Water level sensor 15 of the pressure sensitive of sensed water level etc..When carrying out washing procedure etc., according to the instruction of control unit 19, open
Electromagnetism feed water valve 16 supplies washing water into outer groove 7.If being detected by water level sensor 15 as scheduled water level, root
Electromagnetism feed water valve 16 is closed according to the instruction of control unit 19, stops supplying water.In addition, when carrying out dehydration procedure etc., according to control
The instruction unpack drain valve 13 of unit 19, the machine outlet of washing water in outer groove 7 from the other end of scupper hose 11 to washing machine 1
Out.
The top of outline border 5 is provided with plastic upper surface lid 9, the lower part of outline border 5 is provided with synthetic resin
The base component 10 of system.In addition, the central portion in upper surface lid 9 has the washings input port 9a for discrepancy such as washings 12,
And it is provided with the lid 9b for being opened and closed washings input port 9a.In addition, being provided with and tap at the rear portion of upper surface lid 9
The water supply hose connector 17 of connection.Water supply hose connector 17 is connect with electromagnetism feed water valve 16.
In addition, there are gaps between the inner circumferential of outer groove 7 and the periphery of sink 2, it should in order not to enter washings etc.
Gap, and ensure the whole rigidity of outer groove 7, the upper end of outer groove 7 is provided with the slot cover 18 of the upper surface of covering balance ring 23.
Driving device 6 is installed on the bottom outside of outer groove 7 via the installation pedestal 14 of steel plate.In addition, 6 structure of driving device
Stirring blade 3 is driven as via drive motor and deceleration mechanism.The driving device 6 is configured to selectivity and drives such as
Lower mode: the stirring mode for rotating stirring blade 3 in forward and reverse direction;And make to wash
Wash the dehydration mode that slot 2 and stirring blade 3 integrally rotate in the same direction.
Fig. 2 is the longitudinal sectional view for indicating the Inner Constitution of sink of present embodiment.In addition, being omitted de- in Fig. 2
The diagram of water hole 21a (referring to Fig.1).
It forms as shown in Fig. 2, stainless-steel sheet is formed as cylindrical shape by mainboard 21, is formed in peripheral wall for utilizing centrifugation
Multiple dewatering hole 21a that the washing water that power makes washings 12 be included is separated with washings 12 and is discharged (referring to Fig.1, are only illustrated
A part).
In addition, being equipped with the circulation stream component 24 for constituting circulation waterway R in mainboard 21.The circulation stream component 24 is constituted
To be formed by the generally plate like component such as synthetic resin, and vertically extended with scheduled width.
In addition, being equipped with the recycle stream for constituting circulation waterway R in the positions different from circulation stream component 24 of mainboard 21
Circuit unit 25.The velveteen catch parts 26 of loading and unloading type are installed in the circulation stream component 25.The velveteen catch parts 26 formation
There are multiple opening 26a, the region configured with opening 26a is provided with cotton linters filter (not shown).
Bottom plate 22 is the component of synthetic resin system and the disk shape of the lower part of blocking mainboard 21, and has and constitute sink 2
Bottom surface bottom 22a and extend and constitute the side 22b of side upwards from the outer peripheral edge of bottom 22a, be fixed on master
The lower end of plate 21.In addition, being formed with the through hole 22c that multiple bottoms with outer groove 7 are connected in bottom 22a.
Balance ring 23 is formed as cyclic annular by synthetic resin etc., is fixed on the upper end (rising wood) of mainboard 21.In addition, balance
Ring 23 is configured to more more prominent to radial inside than the inner wall of mainboard 21, and the internal diameter of balance ring 23 is configured to be less than mainboard 21
Internal diameter.In addition, balance ring 23 is internally enclosed the biggish fluid of specific gravity (salt water etc.) and constituted, there is the rotation in sink 2
When generating eccentric because of bias of washings etc., it is eccentric by the mobile elimination of fluid, maintain the function of the balance of rotation.
Stirring blade 3 is configured to the substantially disc-shape of the inside (the interior bottom of sink 2) in covering bottom plate 22, center
Portion is swelled to the top of axial rotary, and circumferentially undulation up and down.In addition, stirring blade 3 is formed as with peripheral part
The mode that erects upwards of a part be bent.In addition, the plurality of positions in stirring blade 3 is formed with perforation surface side and back side
Hole 3a, in the projecting strip part 3c that plurality of positions is formed with circular pcketing portion 3b, radially extends.
Fig. 3 is the cross-sectional view for indicating to have removed the inside of sink of stirring blade.In addition, Fig. 3 is to be observed from the front cotton
The cross-sectional view of suede catch parts 26.
As shown in figure 3, upper end 24a is extended near balance ring 23 for circulation stream component 24, lower end 24b prolongs
It extends into the position of the recess portion of bottom plate 22.In addition, the radially inner side in the upper end 24a of circulation stream component 24 is formed with by setting
The flange part 24a1 that rouge is integrally formed by bending.The front end of flange part 24a1 is set in more prominent to radially inner side unlike balance ring 23
Position out.In addition, circulation stream component 24 lower end 24b by radially inner side it is outstanding in a manner of be formed with by resin one
It is formed by bending and the flange part 24b1 chimeric with bottom plate 22.
In addition, the water guide road 24c being integrally formed by resin is formed at the back side of circulation stream component 24, in circulation stream
Circulation waterway R is formed between component 24 and the inner wall 21b of mainboard 21.That is, main with direction at the back side of circulation stream component 24
The mode outstanding of plate 21 is formed with a pair of ribs (illustration omitted) of (circumferential direction) configured separate in left-right direction, and is arranged useful
In the fixed part (illustration omitted) that circulation stream component 24 is fixed on to mainboard 21.The flank installation sealing element (not shown) and
The flank is set to be tightly attached to the inner wall of circulation stream component 24, and by the way that circulation stream component 24 to be fixed on via fixed part
Mainboard 21 so as to leak the washing water flowed into from entrance 27 in midway, and is circulated to the upper of circulation stream component 24
End.
It is integrally formed in addition, being formed at the back side for the circulation stream component 25 for being provided with velveteen catch parts 26 by resin
Water guide road (not shown), between circulation stream component 25 and the inner wall (not shown) of mainboard 21 formed circulation waterway (not
Diagram).In addition, the circulation stream component 25 of present embodiment does not form the circulation waterway R for making washing water be circulated to upper end, and make
Washing water sprinkles water to recycle into sink 2 from the opening 26a of velveteen catch parts 26.In addition, being not limited to above-mentioned structure
At circulation stream component 25, can also the top of the velveteen catch parts 26 of circulation stream component 25 be provided with discharge washing
The outlet of the slit-shaped of water.
It is provided in the bottom of the sink 2 of the lower section of the above-mentioned vertical direction positioned at circulation stream component 24 for inciting somebody to action
The entrance (introducing port) 27 of washing water importing circulation waterway R.The bottom plate 22 for being provided with entrance 27 is formed as from bottom 22a to side
There is portion 22b the mode of R shape to be bent.Thereby, it is possible to change to the direction of the flowing of washing water successfully along vertical direction
The circulation waterway R of extension.In addition, the height dimension H of entrance 27 is from the lower surface of flange part 24b1 to under vertical direction
The length that the straight line just declined is connect with bottom plate 22.In addition, the height and position Hm (referring to Fig. 5) of entrance 27 refers to flange part 24b1
Lower surface height, in other words as the height of the upper end of entrance 27.
In addition, the upper end of circulation waterway R be formed with towards vertical direction upper opening and the outlet 31 that is formed.It should
Outlet 31 is configured to opposed with the lower surface 23a of balance ring 23.The washing water and balance ring 23 being discharged as a result, from outlet 31
Lower surface 23a collision, so that washing water is from the gap 32 being formed between flange part 24a1 and lower surface 23a towards sink
(watering) is discharged in 2.
In addition, being formed in the bottom of the sink 2 of the lower section of the above-mentioned vertical direction positioned at circulation stream component 25
For washing water to be imported to the entrance (introducing port) 28 of circulation waterway (referring to Fig. 3).From the imported washing water of entrance 28 logical
Cross the water guide road (not shown) being formed between circulation stream component 25 and mainboard 21, import velveteen catch parts 26 in and by
After trapping velveteen, sprinkle water from opening 26a into sink 2.
Fig. 4 is the perspective view for indicating the back side of stirring blade.
As shown in figure 4, the back side (lower surface) of stirring blade 3 be formed with extend from rotating shaft center O to radial D it is more
A back side blade 33 (radial flank).In other words, back side blade 33 is formed as radial from rotating shaft center O.The back side blade
33 is in the shape, and the lower section (being top in Fig. 4) be formed as from the back side of stirring blade 3 towards vertical direction is prominent.Separately
Outside, back side blade 33 be configured to circumferentially W substantially angularly to configure.
In the present embodiment, it is formed at the back side in two regions swelled to the top of stirring blade 3 (referring to Fig. 2)
Back side blade group 33A, 33A.The water that thereby, it is possible to more ensure to import between back side blade 33.Each back side blade group
33A is made of five back side blades 33, is configured in about 90 degree of angular range.Back side blade group 33A not only there is importing to follow
The function of the washing water of ring also has and inhibits to put into washings 12 to sink 2 and add the conduct of 3 deflection deformation of stirring blade
The function of strong component.
Overleaf the region between blade group 33A and back side blade group 33A is formed with back side blade group 33B, 33B.The back
Face blade group 33B is formed in the back side to two regions of lower section (referring to Fig. 2) recess of stirring blade 3.In addition, back side blade
Group 33B is made of three back side blades, is configured in about 90 degree of angular range.Back side blade group 33B is mainly as inhibition
The strengthening part of 3 deflection deformation of stirring blade functions.
In addition, the back side of stirring blade 3 central side (region of the about half of radius) be formed with rotation in
Mandrel O is formed as the annulus flank 34,34,34 of concentric circles or substantially concentric circles.Thereby, it is possible to reinforce stirring blade 3
And the back side blade group 33A, 33A, 33B, 33B.
In addition, at the back side (lower surface) of stirring blade 3, radially D interval is formed with the periphery that circumferentially W extends
Side rib portion 35 and inner circumferential side flank 36,37.In addition, peripheral side flank 35 and inner circumferential side flank 36,37 be respectively formed as with
The curvature bending roughly the same with the curvature of stirring blade 3.
Peripheral side flank 35 is circumferential flank located on the outer side, from the back side of one end of the circumferential W of back side blade group 33A
Blade 33 extends to the back side blade 33 of the other end, is integrally formed by resin and whole back side blades 33.In addition, periphery side rib
Portion 35 is located at the front end side of each back side blade 33 of back side blade group 33A.In addition, the front end side of back side blade 33 means the back side
Near the end of the peripheral side of the end or back side blade 33 of the peripheral side of blade 33.
Inner circumferential side flank 36,37 is positioned at the circumferential flank than the more inner side of peripheral side flank 35, inner circumferential side flank 36
It is configured to be located at than 37 outer peripheral side of inner circumferential side flank.In addition, the length that inner circumferential side flank 36,37 is formed as up and down direction is short
In peripheral side flank 35.In addition, the length that inner circumferential side flank 36 is formed as up and down direction is longer than inner circumferential side flank 37.
Three back side blades in the center in five back side blades 33 of inner circumferential side flank 36,37 and back side blade group 33A
33 is integrally formed.
Fig. 5 is the cross-sectional view for indicating the positional relationship of entrance and radial flank of circulation waterway.In addition, Fig. 5 show with
The back side blade 33 in the center in five back side blades 33 of back side blade group 33A becomes section view when positive mode cutting
Figure.
As shown in figure 5, it is in the shape slightly swelled that the surface of stirring blade 3, which has central portion, and from annulus flank 34
Be positioned against peripheral side (radial outside) rising inclined surface 3d.Position shown in Fig. 5, the outer peripheral edge portion of stirring blade 3
It is closer to the top positioned at the upper end 22d than bottom plate 22.In addition, the outer peripheral edge portion in stirring blade 3 is formed with towards the extension of entrance 27
Vertical portion 3e.The front end (lower end) of vertical portion 3e is configured to the top positioned at entrance 27 (flange part 24b1), and with
Gap S is formed between the surface of circulation stream component 24.Gap S be dimensioned in the running stirring blade 3 not with
The smallest distance that circulation stream component 24 contacts.
The bottom 22a that peripheral side flank 35 and inner circumferential side flank 36,37 are respectively facing underlying bottom plate 22 extends,
And it is formed in parallel to each other.In addition, peripheral side flank 35 and inner circumferential side flank 36,37 are located at the radius than stirring blade 3
Half (half) outer peripheral side.
Front end (lower end) 35a of peripheral side flank 35 is located at the height and position Hm (flange part of the entrance 27 than circulation waterway R
The lower surface of 24b1) more by the side (bottom side) of bottom 22a.In other words, front end (lower end) 35a of peripheral side flank 35 is configured to
More on the lower positioned at the upper end (height and position Hm) than entrance 27, entrance 27 and 35 innings of peripheral side flank when from radial observation
Portion's overlapping.In addition, front end (lower end) 35a of peripheral side flank 35 is located at the height position of the half of the height dimension H than entrance 27
It sets closer to the top.The amount that thereby, it is possible to inhibit washing water to dissipate from gap S, and it is able to suppress the washing water for importing entrance 27
Flow reduce.
Front end (lower end) 36a, 37a of inner circumferential side flank 36,37 be located at than peripheral side flank 35 front end (lower end) 35a more
From the side that bottom 22a is separated.In other words, front end (lower end) 36a, 37a of inner circumferential side flank 36,37 are located at than peripheral side flank
35 front end (lower end) 35a is closer to the top.In addition, front end (lower end) 36a of inner circumferential side flank 36 is located at than inner circumferential side flank 37
Front end (lower end) 37a more lean on the bottom side 22a.
It is connect in addition, being provided in the rotating shaft center O of stirring blade 3 with the rotary shaft 6a of driving device 6 (referring to Fig.1)
Axle sleeve 3f.Axle sleeve 3f is prominent downward at the back side of stirring blade 3 and is formed.It is set by the front end (lower end) of axle sleeve 3f
In the case where for benchmark position Hs, if the height dimension of the front end 35a of peripheral side flank 35 is set as H1, by inner circumferential side flank 36
The height dimension of front end 36a be set as H2, the height dimension of the front end 37a of inner circumferential side flank 37 is set as H3, then becomes H1 <
The relationship of H2 < H3.
In addition, the length of the vertical direction at the back side away from stirring blade 3 of peripheral side flank 35 is set as being longer than from the back side
To the half (half) of the length of base position Hs.In addition, the back side away from stirring blade 3 of inner circumferential side flank 36,37
The length of vertical direction is set as the half (the one of two points) of the length of Hs from the back side to base position below.
In the washing machine 1 that above-mentioned circulation stream component 24 is set, it is configured to circulation waterway R and the inner circumferential by bottom plate 22
Side (the interior bottom of sink 2) and be set to stirring blade 3 the back side back side blade 33 formed pump chamber P (referring to Fig.1)
Connection.
In washing machine 1 as constructed as above, for example, powering on switch if washings 12 is put into sink 2, connect
Start to switch (not shown), then according to the instruction of control unit 19, controls electromagnetism feed water valve 16 and supply water to predetermined water level, move to and wash
Wash (laundry) process.In washing procedure, the control of the motor controlled unit 19 of driving device 6 for washing water flow accordingly with
Right rotation, pause, anticlockwise, pause mode rotate.As above the rotation of the motor of the driving device 6 controlled, which is passed to, stirs
Blade 3 is mixed, and rotates stirring blade 3 and back side blade 33, the washings 12 and washing water in agitator treating slot 2, in turn
Clean washings 12.In addition, the rotation speed of the motor of driving device 6 is for example set to 90~150 turns per minute.
On the other hand, the back side blade 33 that the washing water of the back side of stirring blade 3 drives by the rotation of stirring blade 3
Rotation be extruded outward with centrifugal force, by ejection in circulation waterway R, intermittently arranged upward from outlet 31
Out.The lower surface 23a of the washing water and balance ring 23 that are discharged from outlet 31 is collided, so that the direction of washing water changes to washing
The inside of slot 2 intermittently injects in sink 2.In addition, if by the back side blade 33 of stirring blade 3 by washing water to circulation
Water route R is squeezed out, then after, supplied from the through hole 22c (referring to Fig. 2) be connected to the outer groove 7 for the bottom 22a for being set to bottom plate 22
New washing water.
Fig. 6 is the perspective view for indicating the back side of the stirring blade as comparative example.In addition, with regard to the stirring blade of comparative example
100 with for the stirring blade 3 of present embodiment, and the shape of circumferential flank is different, the shape on the surface of other stirring blades 3
The shape of shape, back side blade 33 and annulus flank 34 is identical.In addition, in stirring blade 100, to identical as stirring blade 3
Composition mark identical appended drawing reference and the repetitive description thereof will be omitted.
As shown in fig. 6, stirring blade 100 has circumferential flank 101,102.Circumferential flank 101 is formed in and this embodiment party
The identical position of inner circumferential side flank 36 of formula, circumferential flank 102 is formed in identical with the inner circumferential side flank 37 of present embodiment
Position.In addition, the length that circumferential flank 101,102 is formed as up and down direction is longer than the inner circumferential side flank 36,37 of present embodiment.
In addition, front end 101a, 102a of circumferential flank 101,102 are configured to be located at the inner circumferential side flank 36,37 than present embodiment
Front end 36a, 37a are closer to the side of bottom 22a.
Fig. 7 indicates the flowing of the water based on circumferential flank, and Fig. 7 (a) is present embodiment, and Fig. 7 (b) is comparative example.In addition,
The size of hollow arrow shows the size in the flow of the circulation waterway R washing water flowed through.
Firstly, if the comparative example to Fig. 7 (b) is illustrated, before circumferential flank 101,102 is located at than back side blade 33
Hold more inner side.In addition, the front end 101a of circumferential flank 101 be located at than entrance 27 height dimension H half (two/
One) more on the lower.In addition, the front end 102a of circumferential flank 102 more depends on bottom 22a positioned at the front end 101a than circumferential flank 101
Side.
In the comparative example of Fig. 7 (b), washing water is held between adjacent back side blade 33, if making in this state
Stirring blade 100 rotates, then acts on washing water outside centrifugal force.At this point, annulus flank 34 on the outermost side and circumferential direction
The washing water of the lower part of space Q10 between flank 102 is as passed through circumferential flank 102 as hollow arrow Y10 expression
It is extruded between front end 102a and bottom 22 (bottom surface 22a1) towards peripheral side.In addition, being located in the washing on the top of space Q10
For water, the flowing of washing water to outer peripheral side is limited by circumferential flank 102.
In addition, the washing water of the lower part of the space Q11 between circumferential flank 101 and circumferential flank 102 is such as by hollow
Arrow Y11 expression as, by between the front end 101a and bottom 22a (bottom surface 22a1) of circumferential flank 101 to outer peripheral side by
It squeezes out.In addition, being located in for the washing water on the top of space Q11, the flowing of washing water to outer peripheral side is by circumferential flank 101
Limitation.
In addition, the washing water of the space Q12 between circumferential flank 101 and vertical portion 3e is such as by hollow arrow Y12 table
As showing, a part of washing water is extruded together with the washing water from space Q10, Q11 towards entrance 27.In addition, washing
Gap S of the remainder of water between stirring blade 100 and circulation stream component 24 is washed to be extruded into sink 2.
In the stirring blade 100 of above-mentioned shape, the bottom surface 22a1 close to bottom plate 22 is formed in by front end 101a, 102a
The flow of washing water that squeezes out to outer peripheral side of circumferential flank 101,102 of position reduce.In addition, being formed with towards radial outside
(side that washing water is extruded with centrifugal force) space Q12 opposed with gap S and 27 both sides of entrance, thus such as by hollow arrow
Head Y13 expression as from gap S dissipate washing water flow increase, as hollow arrow Y14 indicate as flow into
The flow of the washing water of mouth 27 is reduced.
In contrast, in the present embodiment shown in Fig. 7 (a), annulus flank 34 on the outermost side and inner circumferential side rib
The washing water of the lower part of space Q1 between portion's (circumferential flank) 37 is as passed through front end 37a as hollow arrow Y1 expression
It is extruded between the 22a of bottom towards peripheral side.In addition, the washing water on the top of space Q1 such as indicated by hollow arrow Y2 that
Sample becomes water flow obliquely because of inner circumferential side flank 37 and is extruded to outer peripheral side.
In addition, space Q2 between inner circumferential side flank (circumferential flank) 36 and inner circumferential side flank (circumferential flank) 37
The washing water of lower part as hollow arrow Y3 expression as, by being extruded to outer peripheral side between front end 36a and bottom 22a.
In addition, the washing water on the top of space Q2 because of inner circumferential side flank 36 as become obliquely as hollow arrow Y4 expression
Water flow and be extruded to outer peripheral side.
In addition, space Q3 between inner circumferential side flank (circumferential flank) 36 and peripheral side flank (circumferential flank) 35
The washing water of lower part towards peripheral side as being extruded as hollow arrow Y5 expression.In addition, the washing on the top of space Q3
Water is as become water flow obliquely and being extruded to outer peripheral side as hollow arrow Y6 expression.Moreover, having passed through peripheral side
Washing water between the front end 35a and bottom surface 22a1 of flank 35 is as as hollow arrow Y7 expression, and almost all amount is to entering
Mouth 27 is extruded.
In the washing machine 1 of present embodiment as constructed as above, front end 36a, 37a of inner circumferential side flank 36,37 are formed
In the front end 35a than peripheral side flank 35 more from bottom surface 22a1 separate position, therefore can by the washing water of space Q1, Q2 to
Peripheral side squeezes out, and can generate downward water flow, can be by the almost all amount of the washing water of space Q1, Q2 to outer peripheral side
Space Q3 squeeze out.As a result, in the present embodiment, the reduction that can reduce the rigidity of stirring blade 3, does not make stirring blade 3
Rotation speed excessively improve, and make quantity of circulating water increase compared with the past.
In addition, in the present embodiment, the front end 35a of peripheral side flank 35 is located at the height and position Hm (ginseng than entrance 27
According to Fig. 5) more on the lower (close to the position of the bottom surface side 22a1).Thereby, it is possible to guide washing water to the bottom side 22a, being easy will
The washing water crossed to outer peripheral side from peripheral side flank 35 imports entrance 27, can make the stream for importing the washing water of circulation waterway R
Amount increases.In addition, the front end 35a of peripheral side flank 35 be located at than entrance 27 height and position Hm (referring to Fig. 5) more on the lower, because
The washing water crossed to outer peripheral side from peripheral side flank 35 can be imported immediately entrance 27 by this, can be such as by hollow arrow Y8 table
As showing, reduced compared with making the case where flow from the gap S washing water dissipated is with Fig. 7 (b).
However, in the present embodiment, inner circumferential side flank (circumferential flank) is only arranged being not provided with peripheral side flank 35
36, in the case where 37, with (b) in Fig. 7 the case where compared with can increase flow in the circulation waterway R washing water flowed through, but
The amount that washing water is dissipated from gap S also increases.Therefore, in the present embodiment, as circumferential flank, inner circumferential side is not only set
Flank 36,37, also additional setting peripheral side flank 35, so as to make flow and Fig. 7 in the circulation waterway R washing water flowed through
(b) the case where, is compared to increase.
In addition, in the present embodiment, peripheral side flank 35 is located at the periphery end side (outer circumference end) of back side blade 33.By
This, can reduce the amount that washing water is dissipated from gap S, and be able to suppress the deflection deformation of back side blade 33, therefore can mention
The rigidity of high stirring blade 3.
In addition, in the present embodiment, front end 36a, 37a of inner circumferential side flank 36,37 are located at along with towards peripheral side
And close to the side of bottom 22a.As a result, along with washing water towards peripheral side, and it is easy downward to guide washing water, because
This is easy more washing waters importing entrance 27.
Fig. 8 shows the image views of spray diffusion, and Fig. 8 (a) is present embodiment, and Fig. 8 (b) is comparative example.In addition, Fig. 8
(a) and either one or two of Fig. 8 (b) omits the diagram of balance ring 23.
Sink 120 as comparative example shown in Fig. 8 (b) does not form the upper end such as recycle stream of circulation stream component 110
The outlet 31 open upwards like that of circuit unit 24, and have upper plate 110a towards the inside of sink 120.In the sink
In 120, in the composition of Fig. 7 (b), if discharge washing water, as by Fig. 8 (b) oblique line indicate region U10 represented by that
Washing water is discharged under the confined state of diffusion angle of washing water in sample.
In contrast, the sink 2 of present embodiment shown in Fig. 8 (a) passes through peripheral side flank 35 and inner circumferential side flank
36,37 increase the circular flow in the circulation waterway R sink 2 flowed through, so as to such as the oblique line expression by Fig. 8 (a)
As region U1 is represented, make the diffusion angle and Fig. 8 (b) of the washing water being discharged from the outlet 31 of circulation stream component 24
Compared to expansion.As a result, in washing procedure, rinsing process, washing water can be made to disperse to the entirety of washings.
In addition, in the present embodiment, having the outlet 31 that circulation waterway R is open upward, which matches
It is set to opposed with the lower surface 23a of balance ring 23 of sink 2 is set to.Thereby, it is possible to not need the circulation stream of Fig. 8 (b)
The upper plate 110a of component 110, therefore washing water can be made directly to abut with the lower surface 23a of balance ring 23, washing can be expanded
The diffusion angle of water.
In addition, in the present embodiment, quantity of circulating water can be increased, caught to also can be improved by velveteen catch parts 26
The capture rate of the foreign matter (velveteen) of collection.
In addition, the present invention is not limited to above-mentioned embodiment, can in the range of not changing the scope of the present invention into
The various changes of row.In the above-described embodiment, it is said in case where enumerating four circulation stream components 24,25 of setting
It is bright, but can also have one, two, three, five or more circulation stream component.
In addition, in the present embodiment, enumerate three circumferential flanks of setting (peripheral side flank 35, inner circumferential side flank 36,
37) be illustrated in case where, but be not limited to three, for example, can for two circumferential flanks (peripheral side flank 35,
Inner circumferential side flank), or four or more circumferential flanks (35, three inner circumferential side flanks of peripheral side flank), it can be not
It is suitably changed in the range of the rigidity of damage stirring blade 3.
In addition, in the present embodiment, enumerating the front end 36a of inner circumferential side flank 36 positioned at the front end than inner circumferential side flank 37
37a more on the lower in case where be illustrated, but may be the inner circumferential side rib of front end 36a, 37a length same to each other
Portion 36,37.
In addition, in the present embodiment, enumerate stirring blade 3 shape be circumferentially for sinuous shape into
It has gone explanation, but has been not limited to above-mentioned shape, can also apply to stirring blade circumferentially with constant shape.?
In this case, above-mentioned peripheral side flank 35 and inner circumferential side flank 36,37 can also be arranged, to obtain and this above-mentioned reality
Apply the identical effect of mode.
Claims (6)
1. a kind of washing machine, which is characterized in that have:
Sink;
It is set to the stirring blade of the bottom of the sink;And
The water in the sink being extruded when by stirring blade rotation guides to the top of the sink and follows it
The circulation waterway of ring,
The stirring blade in the back side of the stirring blade has the multiple radial flanks extended radially and in circumferential direction
Upper extension and radially multiple circumferential flanks of interval configuration,
Positioned at the circumferential flank of the peripheral side of the stirring blade that is, the front end of peripheral side flank is located at than the circulation
The height and position of the entrance in water route more leans on the side of the bottom,
Positioned at the circumferential flank of side more inner than the peripheral side flank that is, the front end of inner circumferential side flank is located at than institute
The front end of peripheral side flank is stated further from the side of the bottom.
2. washing machine according to claim 1, which is characterized in that
The peripheral side flank is located at the periphery end side of the radial flank.
3. washing machine according to claim 1 or 2, which is characterized in that
Have multiple inner circumferential side flanks,
The front end of the inner circumferential side flank is located at towards peripheral side and close to the side of the bottom.
4. washing machine according to claim 1 or 2, which is characterized in that
The circulation waterway has the outlet being open upward,
The outlet is configured to opposed with the lower surface for the balance ring for being set to the sink.
5. washing machine according to claim 3, which is characterized in that
The circulation waterway has the outlet being open upward,
The outlet is configured to opposed with the lower surface for the balance ring for being set to the sink.
6. a kind of washing machine, which is characterized in that have:
Sink;
It is set to the stirring blade of the bottom of the sink;And
The water in the sink being extruded when by stirring blade rotation guides to the top of the sink and follows it
The circulation waterway of ring,
The stirring blade has the radial flank extended radially in the back side of the stirring blade and prolongs in the circumferential
The circumferential flank stretched,
Positioned at the circumferential flank of the peripheral side of the stirring blade that is, the front end of peripheral side flank is located at than the circulation
The height and position of the entrance in water route more leans on the side of the bottom.
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JP2016082174A JP6521894B2 (en) | 2016-04-15 | 2016-04-15 | Washing machine |
JP2016-082174 | 2016-04-15 |
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CN107299481A CN107299481A (en) | 2017-10-27 |
CN107299481B true CN107299481B (en) | 2019-03-22 |
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JP6521894B2 (en) * | 2016-04-15 | 2019-05-29 | 日立グローバルライフソリューションズ株式会社 | Washing machine |
JP2023183501A (en) * | 2022-06-16 | 2023-12-28 | 日立グローバルライフソリューションズ株式会社 | Washing machine and rotary vane disk for washing machine |
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JPS60142897A (en) * | 1984-10-30 | 1985-07-29 | 三洋電機株式会社 | Dehydrating washing machine |
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Also Published As
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JP6521894B2 (en) | 2019-05-29 |
TWI676722B (en) | 2019-11-11 |
JP2017189514A (en) | 2017-10-19 |
CN107299481A (en) | 2017-10-27 |
TW201738428A (en) | 2017-11-01 |
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