EP2843097B1 - Machine à laver à chargement frontal - Google Patents
Machine à laver à chargement frontal Download PDFInfo
- Publication number
- EP2843097B1 EP2843097B1 EP14172244.7A EP14172244A EP2843097B1 EP 2843097 B1 EP2843097 B1 EP 2843097B1 EP 14172244 A EP14172244 A EP 14172244A EP 2843097 B1 EP2843097 B1 EP 2843097B1
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- EP
- European Patent Office
- Prior art keywords
- vibration isolating
- washing machine
- water tub
- isolating damper
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
Definitions
- the present invention relates to a front-loading-type washing machine which performs each process of washing, rinsing and spin-drying by rotating a rotary drum accommodated in a water tub.
- a vibration isolating damper is disposed in a bottom portion of a water tub in order to control vibrations, and the vibrations of a water tub unit are suppressed by utilizing dampening thereof (for example, refer to Japanese Patent Unexamined Publication No. 2012-170678 ).
- Fig. 7 illustrates a configuration of the front-loading-type washing machine in the related art.
- rotary drum 101 which accommodates and rotates laundry is rotatably arranged inside water tub 103.
- Drum driving motor 105 for rotatably driving rotary drum 101 is disposed in the bottom portion of water tub 103.
- Lid body 108 is disposed in an opening of rotary drum 101 so as to be openable and closeable.
- a posture of water tub 103 is held by spring member 110 disposed between washing machine housing 109 and water tub 103.
- Water tub 103 is supported and isolated from vibrations by support damper 111 and vibration isolating damper 112 so that the vibrations during spin-drying are not transmitted to washing machine housing 109.
- seal packing 107 for closing a gap is disposed between a laundry loading port on a front surface of water tub 103 and washing machine housing 109.
- Vibration detection device 106 using an acceleration sensor is arranged in water tub 103.
- control unit 113 controls an operation of drum driving motor 105 and controls the vibrations of water tub 103.
- a front-loading-type washing machine with the features of the preamble of claim 1 is known from EP 1 881 099 A1 .
- the present invention provides a front-loading-type washing machine which enables dampening of vibrations in multiple directions.
- a front-loading-type washing machine includes a washing machine housing, a water tub formed in a bottomed cylindrical shape, and a rotary drum whose front surface side is open, and which is arranged inside the water tub and has a bottomed cylindrical shape.
- the front-loading-type washing machine includes a rotary shaft which is fixed to a center on a bottom surface of the rotary drum and pivotally supported by a bearing fixed to the bottom surface of the water tub.
- the front-loading-type washing machine includes a drum driving motor which rotatably drives the rotary drum via the rotary shaft, and a water tub unit which includes the water tub, the rotary drum, the bearing, the rotary shaft, and the drum driving motor.
- the front-loading-type washing machine includes multiple suspensions whose lower end is connected to an upper portion of the water tub unit, whose upper end is connected to an upper portion of the washing machine housing, and which elastically supports the water tub unit inside the washing machine housing.
- the front-loading-type washing machine includes multiple vibration isolating dampers whose respective upper ends are connected to a water tub connecting portion disposed in a lower portion of the water tub via a first cushioning member, whose respective lower ends are connected to a housing connecting portion in a lower portion of the washing machine housing via a second cushioning member, and which suppress vibrations of the water tub unit.
- the water tub unit is arranged inside the washing machine housing so that the rotary shaft of the rotary drum is tilted downward or substantially horizontal from a front surface side to a rear surface side.
- Multiple vibration isolating dampers have at least a first vibration isolating damper which is disposed in a direction in which a rotary drum is rotated during a spin-drying process and is arranged at a position close to a front surface side from a center of gravity of a water tub unit.
- the multiple vibration isolating dampers have at least a second vibration isolating damper which is disposed in the direction in which the rotary drum is rotated during the spin-drying process and is arranged at a position close to a rear surface side from the center of gravity of the water tub unit.
- the multiple vibration isolating dampers have at least a third vibration isolating damper which is arranged on an opposite side to the direction in which the rotary drum is rotated during the spin-drying process.
- the respective housing connecting portions to which the first vibration isolating damper and the second vibration isolating damper are connected are attached to the washing machine housing via a third cushioning member.
- the first vibration isolating damper, the second vibration isolating damper and the respective third cushioning members in the attachment portion of the washing machine housing can dampen the vibrations of the water tub unit which are generated due to unevenly distributed laundry in longitudinal and lateral directions.
- the front-loading-type washing machine of the present invention it is possible to realize the front-loading-type washing machine which enables dampening of vibrations in the other direction.
- Fig. 1 is a longitudinal cross-sectional view of a front-loading-type washing machine according to the embodiment of the present invention.
- Fig. 2 is an internal front view of the front-loading-type washing machine.
- Fig. 3 is a view when an interior of the front-loading-type washing machine is viewed from an upper surface.
- Fig. 4 is a longitudinal cross-sectional view of a vibration isolating damper and a housing connecting portion of the front-loading-type washing machine.
- Fig. 5 is a longitudinal cross-sectional view illustrating another configuration of the vibration isolating damper and the housing connecting portion of the front-loading-type washing machine.
- rotary drum 17 is formed in a bottomed cylindrical shape, and is rotatably arranged inside water tub 19 via bearing 16 inside bearing case 15 attached to a bottom portion of water tub 19.
- Multiple water passing holes 18 are disposed on an entire surface of an outer peripheral portion of rotary drum 17.
- Water tub 19 is formed in a bottomed cylindrical shape.
- Rotary shaft 20 is disposed in a rotation center of rotary drum 17. An axial direction of rotary drum 17 is tilted downward from a front surface side to a rear surface side.
- Rotary shaft 20 is fixed to a bottom surface center of rotary drum 17, and is pivotally supported by bearing 16 fixed to the bottom surface of water tub 19.
- Drum pulley 28 is connected to the rear surface of water tub 19.
- Rotary drum 17 is rotatably driven in a forward direction and a rearward direction by drum driving motor 21 connected by belt 29 and drum pulley 28.
- Several projection plates 22 for agitating laundry are disposed on an inner wall surface of rotary drum 17.
- Water tub unit 37 is configured to have bearing case 15, bearing 16, rotary drum 17, water tub 19, rotary shaft 20, drum driving motor 21, and drum pulley 28.
- Water tub unit 37 is elastically supported inside washing machine housing 23 in such a manner that a lower end thereof is connected to a lower portion of washing machine housing 23, and an upper end thereof is connected to an upper portion of washing machine housing 23 by multiple suspensions 31. Furthermore, vibration isolating dampers 25, 26, and 27 are configured so that respective upper ends thereof are connected to water tub connecting portions 43a, 43b, and 43c disposed in a lower portion of water tub 19 via first cushioning member 44, and respective lower ends thereof are connected to housing connection portions 34d, 34e, and 34f via second cushioning member 45.
- first cushioning member 44 and second cushioning member 45 a thermoplastic elastomer (TPE) is used, for example.
- Water tub connecting portions 43a, 43b, and 43c are disposed in a lower portion of water tub 19. Housing connecting portions 34d, 34e, and 34f are disposed in base bottom 24 of a lower portion of washing machine housing 23. In this manner, the vibrations of water tub unit 37 are suppressed by multiple vibration isolating dampers 25, 26, and 27 arranged in an oblique direction.
- water tub connecting portion 43a to which first vibration isolating damper 25 is connected is positioned above water tub connecting portion 43c to which third vibration isolating damper 27 is connected.
- Water tub connecting portion 43b to which second vibration isolating damper 26 is connected is positioned below water tub connecting portion 43c to which third vibration isolating damper 27 is connected.
- Housing connecting portion 34d to which first vibration isolating damper 25 is connected is positioned above housing connecting portion 34f to which third vibration isolating damper 27 is connected.
- Housing connecting portion 34e to which second vibration isolating damper 26 is connected is positioned below housing connecting portion 34f to which third vibration isolating damper 27 is connected.
- Vibration isolating dampers 25, 26, and 27 are arranged as illustrated in Figs. 2 and 3 .
- First vibration isolating damper 25 and second vibration isolating damper 26 are arranged in a rotating direction (in a case of rightward rotation when viewed from a front surface (clockwise, arrow A in Fig. 2 ), the right side when viewed from the front surface) of rotary drum 17 during a spin-drying process.
- Third vibration isolating damper 27 is arranged in a direction opposite to the rotating direction (in a case of rightward rotation when viewed from the front surface (clockwise, arrow A) , the left side when viewed from the front surface) of rotary drum 17 during the spin-drying process.
- First vibration isolating damper 25 is arranged in front of center of gravity G of water tub unit 37.
- Second vibration isolating damper 26 is arranged behind center of gravity G of water tub unit 37.
- respective vibration isolating dampers 25 and 26 support water tub unit 37 with good balance and dampen the vibrations during the spin-drying process.
- an arrangement position of vibration isolating dampers 25, 26, and 27 may be a position laterally opposite to an arrangement position of the vibration isolating damper when the above-described rotating direction of rotary drum 17 is a rightward rotating direction (clockwise) when viewed from the front surface.
- the angle of second vibration isolating damper 26 is caused to be closer to a horizontal direction when viewed from the front surface than the angle of third vibration isolating damper 27 (refer to Fig. 2 ). This can suppress the lateral swinging movement.
- first vibration isolating damper 25 and the vertical direction is set to be ⁇
- the angle formed between second vibration isolating damper 26 and the vertical direction is set to be ⁇
- the angle formed between third vibration isolating damper 27 and the vertical direction is set to be ⁇
- first vibration isolating damper 25, second vibration isolating damper 26, and third vibration isolating damper 27 are arranged.
- first vibration isolating damper 25 shows a vibration dampening effect, particularly for the vibrations in the vertical direction (vertical direction in Fig. 2 )
- second vibration isolating damper 26 shows the vibration dampening effect, particularly for the vibrations in the horizontal direction (lateral direction in Fig. 2 ), thereby performing efficient vibration isolation.
- the dampening force of first vibration isolating damper 25 and second vibration isolating damper 26 is set to be weaker than the dampening force of third vibration isolating damper 27 in order to keep a lateral balance.
- the dampening force of first vibration isolating damper 25 is set to be stronger than the dampening force of second vibration isolating damper 26.
- first vibration isolating damper 25, second vibration isolating damper 26, and third vibration isolating damper 27 is set as weak as possible within a range which can sufficiently suppress the vibrations of water tub unit 37 in the above-described range.
- first vibration isolating damper 25 is attached to housing connecting portion 34d via second cushioning member 45.
- Fixing member 35 is attached to base bottom 24 of washing machine housing 23.
- Third cushioning member A 38 is arranged between housing connecting portion 34d and fixing member 35.
- third cushioning member B 39 is arranged between washer 36 and fixing member 35.
- housing connecting portion 34d and washer 36 are fastened by stepped bolt 40 and nut 41.
- first vibration isolating damper 25 when vibrated around fixing member 35 in the lateral direction when viewed from the front surface, housing connecting portion 34d and washer 36 are also vibrated. However, third cushioning member A 38 and third cushioning member B 39 are compressed to cause the dampening, thereby reducing the vibrations of water tub unit 37.
- the attachment method of second vibration isolating damper 26 is the same as the attachment method of first vibration isolating damper 25.
- Fig. 5 is a longitudinal cross-sectional view illustrating another configuration of vibration isolating damper 25 and housing connecting portion 34d of the front-loading-type washing machine according to the present embodiment.
- first vibration isolating damper 25 is attached to housing connecting portion 34d via second cushioning member 45.
- Fixing member 35 is attached to base bottom 24 of washing machine housing 23.
- Third cushioning member A 38 is arranged between housing connecting portion 34d and fixing member 35.
- third cushioning member B 39 is arranged between washer 36 and fixing member 35, and housing connecting portion 34d and washer 36 are fastened by stepped bolt 40 and nut 41.
- first vibration isolating damper 25 when vibrated around fixing member 35 in the lateral direction when viewed from the front surface, housing connecting portion 34d and washer 36 are also vibrated. However, third cushioning member A 38 and third cushioning member B 39 are compressed to cause the dampening, thereby reducing the vibrations of water tub unit 37.
- the attachment method of second vibration isolating damper 26 is the same as the attachment method of first vibration isolating damper 25.
- housing connecting portion 34d is bent in a U-shape from a surface in contact with third cushioning member A 38.
- Bolt 46 passes through second side surface 34b from bent first side surface 34a, and nut 47 and bolt 46 are fastened together.
- first vibration isolating damper 25 and second vibration isolating damper 26 are respectively fixed to base bottom 24.
- convex portion 38a having substantially the same shape as the shape of the bottom portion of housing connecting portions 34d and 34e is disposed on the outer periphery of housing connecting portions 34d and 34e.
- Convex portion 38a surrounds the periphery of housing connecting portions 34d and 34e.
- first vibration isolating damper 25 and second vibration isolating damper 26 start to be rotated around the axis of stepped bolt 40 under the influence of the vibrations of water tub unit 37
- housing connecting portions 34d and 34e also start to be rotated.
- respective housing connecting portions 34d and 34e come into contact with convex portion 38a of third cushioning member A 38, thereby regulating the rotation of housing connecting portions 34d and 34e.
- the vibrations of water tub unit 37 are further reduced by disposing convex portion 38a.
- groove 38b having substantially the same height as that of the bottom surface to which housing connecting portions 34d and 34e are attached is disposed in two lateral positions. Therefore, water such as dew condensation accumulated inside convex portion 38a is discharged outward from groove 38b. If water gathers inside convex portion 38a, third cushioning member A 38 or housing connecting portions 34d and 34e may be corroded. In addition, a contact portion between third cushioning member A 38 and housing connecting portions 34d and 34e is slippery due to water, and the slipperiness makes a sliding sound, in some cases. In order to prevent this case, groove 38b is disposed in convex portion 38a of third cushioning member A 38. In this manner, it is possible to suppress the corrosion of the above-described components or the occurrence of abnormal noises by discharging the water such as the dew condensation accumulated inside convex portion 38a outward.
- Fig. 6 is a view when housing connecting portions 34d and 34e of the front-loading-type washing machine according to the present embodiment are viewed from above.
- Housing connecting portions 34d and 34e bent in a U-shape are disposed so as to interpose stepped bolt 40 therebetween.
- Convex portion 38a of third cushioning member A 38 is disposed so as to surround the periphery of housing connecting portions 34d and 34e.
- Groove 38b is disposed in the lateral direction at a position of a gap in convex portion 38a when housing connecting portions 34d and 34e are viewed from above. The water accumulated inside convex portion 38a is discharged outward from groove 38b.
- lid body 30 is opened, laundry is loaded into rotary drum 17, and the operation is started.
- Rotary drum 17 is rotatably driven at a low speed by drum driving motor 21.
- the laundry inside rotary drum 17 is lifted and then dropped onto the water surface. In this manner, the washing process proceeds.
- the washing water inside water tub 19 is drained.
- Intermediate spin-drying is performed, and then a rinsing process is performed. Even in the rinsing process, an operation similar to that of the washing process is performed.
- rotary drum 17 is rotatably driven at a high speed, and the laundry is centrifugally spin-dried.
- water tub unit 37 When the laundry loaded inside rotary drum 17 is unevenly distributed in the spin-drying process, water tub unit 37 is pivotally supported in a vibration isolating manner so as to perform spin-drying rotations by absorbing the biasing, thereby preventing the vibrations from being transmitted to washing machine housing 23.
- the biasing is abnormally severe, water tub unit 37 is abnormally vibrated, and loud noises may be generated from the washing machine.
- first vibration isolating damper 25 is arranged in front of center of gravity G of water tub unit 37 in the rotating direction of rotary drum 17, and second vibration isolating damper 26 is arranged behind center of gravity G.
- Third vibration isolating damper 27 is arranged in a direction opposite to the rotating direction of rotary drum 17.
- third vibration isolating damper 27 is disposed near center of gravity G of water tub unit 37. The first, second, and third vibration dampers dampen the vibrations with good balance.
- first vibration isolating damper 25 is arranged more vertically, and second vibration isolating damper 26 is arranged more horizontally. Accordingly, it is possible to reduce the vibrations in the vertical direction and the horizontal direction.
- each lower portion of first vibration isolating damper 25 and second vibration isolating damper 26 is attached to washing machine housing 23 via the cushioning member. Accordingly, without being limited to each stroke direction of first vibration isolating damper 25 and second vibration isolating damper 26, it is also possible to allow the dampening in the longitudinal direction and the lateral direction. Therefore, the vibrations of water tub unit 37 are efficiently reduced.
- the cushioning member in each fastening portion of first vibration isolating damper 25 and second vibration isolating damper 26, the cushioning member is disposed on housing connecting portions 34d and 34e side of base bottom 24 in the lower portion of washing machine housing 23.
- the cushioning member is disposed on water tub connecting portions 43a and 43b side, the same effect can be obtained.
- Convex portion 38a having substantially the same shape as that of housing connecting portions 34d and 34e arranged on the outer periphery is disposed in third cushioning member A 38, thereby regulating the rotation of housing connecting portions 34d and 34e. In this manner, it is possible to regulate the rotation of first vibration isolating damper 25 and second vibration isolating damper 26. Therefore, it is possible to reduce the occurrence of abnormal noises caused by the rotation or the load on the vibration isolating damper. In addition, housing connecting portions 34d and 34e can be guided when mounted on third cushioning member A 38. Therefore, it is possible to improve the assembly efficiency.
- the axial direction of rotary drum 17 is tilted downward from the front surface side to the rear surface side.
- the same effect can be obtained.
- the front-loading-type washing machine includes washing machine housing 23, water tub 19 formed in a bottomed cylindrical shape, and rotary drum 17 whose front surface side is open, which is arranged inside water tub 19, and which has a bottomed cylindrical shape.
- the front-loading-type washing machine includes rotary shaft 20 which is fixed to the center on the bottom surface of rotary drum 17 and is pivotally supported by bearing 16 fixed to the bottom surface of water tub 19.
- the front-loading-type washing machine includes drum driving motor 21 which rotatably drives rotary drum 17 via rotary shaft 20, and water tub unit 37 including water tub 19, rotary drum 17, bearing 16, rotary shaft 20, and drum driving motor 21.
- the front-loading-type washing machine includes multiple suspensions 31 whose lower end is connected to the upper portion of water tub unit 37, whose upper end is connected to the upper portion of washing machine housing 23, and which elastically support water tub unit 37 inside washing machine housing 23.
- the front-loading-type washing machine includes multiple vibration isolating dampers 25, 26, and 27 whose respective upper ends are connected to water tub connecting portions 43a, 43b, and 43c disposed in the lower portion of water tub via first cushioning member 44, whose respective lower ends are connected to housing connecting portions 34d, 34e, and 34f in the lower portion of washing machine housing 23, and which suppress the vibrations of water tub unit 37 via second cushioning member 45.
- Water tub unit 37 is arranged inside washing machine housing 23 so that rotary shaft 20 of rotary drum 17 is tilted downward from the front surface side to the rear surface side or substantially horizontally.
- Multiple vibration isolating dampers 25, 26, and 27 includes at least first vibration isolating damper 25 which is disposed in the direction in which rotary drum 17 is rotated during the spin-drying process, and which is arranged at the position close to the front surface side from a center of gravity of water tub unit 37.
- multiple vibration isolating dampers 25, 26, and 27 includes at least second vibration isolating damper 26 which is disposed in the direction in which rotary drum 17 is rotated during the spin-drying process, and which is arranged at the position close to the rear surface side from the center of gravity of water tub unit 37.
- multiple vibration isolating dampers 25, 26, and 27 includes at least third vibration isolating damper 27 which is arranged on the side opposite to the direction in which rotary drum 17 is rotated during the spin-drying process.
- Respective housing connecting portions 34d and 34e to which first vibration isolating damper 25 and second vibration isolating damper 26 are connected are attached to washing machine housing 23 via third cushioning members 38 and 39. This configuration reduces the vibrations of water tub unit 37.
- respective housing connecting portions 34d and 34e to which first vibration isolating damper 25 and second vibration isolating damper 26 are connected are fastened to fixing member 35 attached to the base bottom of washing machine housing 23 by bolt 40, nut 41 and washer 36.
- Third cushioning members 38 and 39 are formed of third cushioning member A 38 disposed between housing connecting portions 34d and 34e and fixing member 35, and third cushioning member B 39 disposed between fixing member 35 and washer 36.
- Bolt 40 passes through housing connecting portions 34d and 34e, third cushioning member A 38, fixing member 35, third cushioning member B 39, and washer 36, and is clamped by nut 41. This configuration reduces the vibrations of water tub unit 37.
- respective water tub connecting portions 43a and 43b to which first vibration isolating damper 25 and second vibration isolating damper 26 are connected are attached to water tub 19 via fourth cushioning members.
- a material of the fourth cushioning member a chlorinated butyl rubber is used, for example. This configuration reduces the vibrations of water tub unit 37.
- third vibration isolating damper 27 is disposed near the center of gravity of water tub unit 37. This configuration dampens the vibrations of water tub unit 37 with good balance.
- the angle of first vibration isolating damper 25 is arranged to be closer to the vertical direction than the angle of third vibration isolating damper 27.
- the angle of second vibration isolating damper 26 is arranged to be closer to the horizontal direction than the angle of third vibration isolating damper 27. This configuration can suppress the vertical vibrations and the lateral swinging movement of water tub unit 37.
- water tub connecting portion 43a to which first vibration isolating damper 25 is connected is positioned above water tub connecting portion 43c to which third vibration isolating damper 27 is connected.
- Water tub connecting portion 43b to which second vibration isolating damper 26 is connected is positioned below water tub connecting portion 43c to which third vibration isolating damper 27 is connected. This configuration suppresses the vibrations of water tub unit 37.
- housing connecting portion 34d to which first vibration isolating damper 25 is connected is positioned above housing connecting portion 34f to which third vibration isolating damper 27 is connected.
- Housing connecting portion 34e to which second vibration isolating damper 26 is connected is positioned below housing connecting portion 34f to which third vibration isolating damper 27 is connected. This configuration suppresses the vibrations of water tub unit 37.
- housing connecting portions 34d and 34e are attached to fixing member 35 attached to the base bottom of washing machine housing 23 by bolt 40, nut 41, and washer 36.
- Third cushioning members 38 and 39 are formed of third cushioning member A 38 disposed between housing connecting portions 34d and 34e and fixing member 35, and third cushioning member B 39 disposed between fixing member 35 and washer 36.
- Bolt 40 passes through housing connecting portions 34d and 34e, third cushioning member A 38, fixing member 35, third cushioning member B 39, and washer 36, and is clamped by nut 41.
- Convex portion 38a having substantially the same shape as the shape of the bottom portion of housing connecting portions 34d and 34e is disposed on the outer peripheral portion of third cushioning member A 38. This configuration allows housing connecting portions 34d and 34e to come into contact with convex portion 38a of third cushioning member A 38, thereby regulating the rotation of first vibration isolating damper 25 and second vibration isolating damper 26.
- At least one groove 38b having substantially the same height as that of the bottom surface to which housing connecting portions 34d and 34e are attached is disposed in convex portion 38a of third cushioning member A 38.
- This configuration allows the water such as the dew condensation accumulated inside convex portion 38a to be discharged outward, and thus, it is possible to suppress the corrosion of the components or the occurrence of abnormal noises.
- the front-loading-type washing machine according to the present invention dampens the vibrations of the water tub unit which are generated due to the unevenly distributed laundry in the longitudinal direction and the lateral direction by using the third cushioning member of the attachment portion between the respective first vibration isolating damper and second vibration isolating damper and the washing machine housing. Therefore, the front-loading-type washing machine according to the present invention is advantageously used in a washing machine which demonstrates low vibration and low noise.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Vibration Prevention Devices (AREA)
Claims (8)
- Machine à laver à chargement frontal comprenant :un bâti de machine à laver (23) ;une cuve à eau (19) de forme cylindrique à fond ;un tambour rotatif (17) dont le côté de surface avant est ouvert, et qui est agencé à l'intérieur de la cuve à eau (19) en présentant une forme cylindrique à fond ;un arbre rotatif (20) qui est fixé au centre d'une surface de fond du tambour rotatif (17) et supporté pivotant par un palier (16) fixé à la surface de fond de la cuve à eau (19) ;un moteur d'entraînement de tambour (21) qui fait tourner le tambour rotatif (17) par le biais de l'arbre rotatif (20) ;une unité de cuve à eau (37) qui comporte la cuve à eau (19), le tambour rotatif (17), le palier (16), l'arbre rotatif (17) et le moteur d'entraînement de tambour (21);de multiples suspensions (31) dont l'extrémité inférieure est reliée à une partie supérieure de l'unité de cuve à eau (37) et dont l'extrémité supérieure est reliée à une partie supérieure du bâti de machine à laver (23), les multiples suspensions (31) étant configurées pour supporter de manière élastique l'unité de cuve à eau (37) à l'intérieur du bâti de machine à laver (23) ; et
de multiples amortisseurs de vibrations (25, 26, 27) dont les extrémités supérieures respectives sont reliées à une partie de liaison à la cuve à eau (43a, 43b, 43c) disposée dans une partie inférieure de la cuve à eau (19) par le biais d'un premier élément amortisseur (44), dont les extrémités inférieures respectives sont reliées à une partie de liaison au bâti (34d, 34e, 34f) dans une partie inférieure du bâti de machine à laver (23) par le biais d'un deuxième élément amortisseur (45), les multiples amortisseurs de vibrations (25, 26, 27) étant configurés pour supprimer les vibrations de l'unité de cuve à eau (37),
dans laquelle l'unité de cuve à eau (37) est agencée à l'intérieur du bâti de machine à laver (23) de manière que l'arbre rotatif (20) du tambour rotatif (17) soit penché vers l'arrière ou soit sensiblement à l'horizontale entre un côté de surface avant et un côté de surface arrière,
caractérisée en ce que
les multiples amortisseurs de vibrations (25, 26, 27) comprennent au moins un premier isolateur de vibrations (25) agencé en une position située entre une surface avant du bâti de machine à laver (23) et le centre de gravité (G) de l'unité de cuve à eau (37), un deuxième isolateur de vibrations (26) agencé en une position située entre une surface arrière du bâti de machine à laver (23) et le centre de gravité (G), et un troisième isolateur de vibrations (27) agencé à proximité du centre de gravité,
lorsque le tambour rotatif (17) tourne dans le sens des aiguilles d'une montre, les premier et deuxième amortisseurs de vibrations (25, 26) sont agencé sur un côté droit du tambour rotatif (17), vu depuis la surface avant,
lorsque le tambour rotatif (17) tourne dans le sens contraire des aiguilles d'une montre, les premier et deuxième amortisseurs de vibrations (25, 26) sont agencés sur un côté gauche du tambour rotatif (17), vu depuis la surface avant,
le troisième isolateur de vibrations (27) est agencé sur un côté opposé du tambour rotatif (17), par rapport aux premier et deuxième amortisseurs de vibrations, vu depuis la surface avant, et
les parties de liaison au bâti (34d, 34e) respectives auxquelles le premier isolateur de vibrations (25) et le deuxième isolateur de vibrations (26) sont reliés sont rattachées à un élément de fixation (35) qui est rattaché à un fond de base (24) du bâti de machine à laver (23) par le biais de troisièmes éléments amortisseurs (38, 39). - Machine à laver à chargement frontal selon la revendication 1,
dans laquelle les parties de liaison au bâti (34d, 34e) respectives auxquels le premier isolateur de vibrations (25) et le deuxième isolateur de vibrations (26) sont reliés sont fixées à un élément de fixation (35) rattaché à un fond de base (24) du bâti de machine à laver (23) par un boulon (40), un écrou (41) et une rondelle (36),
le troisième élément amortisseur étant constitué par un troisième élément amortisseur (A38) disposé entre la partie de liaison au bâti (34d, 34e) et l'élément de fixation (35), et un troisième élément amortisseur (B39) disposé entre l'élément de fixation (35) et la rondelle (36), et
le boulon (40) traversant la partie de liaison au bâti, le troisième élément amortisseur (A38), l'élément de fixation (35), le troisième élément amortisseur (B39) et la rondelle (36), et étant maintenu par l'écrou (41). - Machine à laver à chargement frontal selon la revendication 1,
dans laquelle les parties de liaison à la cuve à eau (43a, 43b) respectives auxquelles le premier isolateur de vibrations (25) et le deuxième isolateur de vibrations (26) sont reliés sont rattachées à la cuve à eau (19) par le biais de quatrièmes éléments amortisseurs. - Machine à laver à chargement frontal selon la revendication 1,
dans laquelle l'angle du premier isolateur de vibrations (25) est agencé de manière à être plus approchant d'un sens vertical que l'angle du troisième isolateur de vibrations (27), et l'angle du deuxième isolateur de vibrations (26) est agencé de manière à être plus approchant d'un sens horizontal que l'angle du troisième isolateur de vibrations (27). - Machine à laver à chargement frontal selon la revendication 4,
dans laquelle la partie de liaison à la cuve à eau (43a) à laquelle le premier isolateur de vibrations (25) est relié est disposée au-dessus de la partie de liaison à la cuve à eau (43c) à laquelle le troisième isolateur de vibrations (27) est relié, et la partie de liaison à la cuve à eau (43b) à laquelle le deuxième isolateur de vibrations (26) est relié est disposée au-dessous de la partie de liaison à la cuve à eau (43c) à laquelle le troisième isolateur de vibrations (27) est relié. - Machine à laver à chargement frontal selon la revendication 4 ou 5,
dans laquelle la partie de liaison au bâti (34d) à laquelle le premier isolateur de vibrations (25) est relié est disposée au-dessus de la partie de liaison au bâti (34f) à laquelle le troisième isolateur de vibrations (27) est relié, et la partie de liaison au bâti (34e) à laquelle le deuxième isolateur de vibrations (26) est relié est disposée au-dessous de la partie de liaison au bâti (34f) à laquelle le troisième isolateur de vibrations (27) est relié. - Machine à laver à chargement frontal selon la revendication 1,
dans laquelle la partie de liaison au bâti (34d, 34e) est rattachée à un élément de fixation (35) rattaché au fond de base (24) du bâti de machine à laver (23) par un boulon (40), un écrou (41) et une rondelle (36),
le troisième élément amortisseur étant constitué par un troisième élément amortisseur (A38) disposé entre la partie de liaison au bâti (34d, 34e) et l'élément de fixation (35), et un troisième élément amortisseur (B39) disposé entre l'élément de fixation (35) et la rondelle (36),
le boulon (40) traversant la partie de liaison au bâti, le troisième élément amortisseur (A38), l'élément de fixation (35), le troisième élément amortisseur (B39) et la rondelle (36), et étant maintenu par l'écrou (41), et
dans laquelle une partie convexe (38a) présentant sensiblement la même forme que la partie de fond de la partie de liaison au bâti (34d, 34e) est disposée sur une partie périphérique extérieure du troisième élément amortisseur (A38). - Machine à laver à chargement frontal selon la revendication 7,
dans laquelle au moins une rainure (38b), présentant sensiblement la même hauteur que la surface de fond à laquelle la partie de liaison au bâti (34d, 34e) est rattachée, est disposée dans la partie convexe du troisième élément amortisseur (A38).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013175297A JP6111426B2 (ja) | 2013-08-27 | 2013-08-27 | ドラム式洗濯機 |
JP2013175305A JP6010769B2 (ja) | 2013-08-27 | 2013-08-27 | ドラム式洗濯機 |
JP2013186906A JP2015053947A (ja) | 2013-09-10 | 2013-09-10 | ドラム式洗濯機 |
Publications (2)
Publication Number | Publication Date |
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EP2843097A1 EP2843097A1 (fr) | 2015-03-04 |
EP2843097B1 true EP2843097B1 (fr) | 2016-12-28 |
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Application Number | Title | Priority Date | Filing Date |
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EP14172244.7A Active EP2843097B1 (fr) | 2013-08-27 | 2014-06-13 | Machine à laver à chargement frontal |
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EP (1) | EP2843097B1 (fr) |
CN (2) | CN104420116B (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104278484B (zh) * | 2013-07-10 | 2016-10-12 | 东芝生活电器株式会社 | 洗衣机 |
CN105603683A (zh) * | 2015-12-29 | 2016-05-25 | 常熟市久昇电器有限公司 | 一种低震动洗衣机 |
JP6976037B2 (ja) * | 2016-02-17 | 2021-12-01 | 日立グローバルライフソリューションズ株式会社 | 洗濯機 |
DE102016214821A1 (de) * | 2016-08-10 | 2018-02-15 | BSH Hausgeräte GmbH | Wäschebehandlungsgerät |
CN106436200A (zh) * | 2016-10-08 | 2017-02-22 | 珠海格力电器股份有限公司 | 洗衣机 |
CN106319857B (zh) * | 2016-10-26 | 2020-10-13 | 珠海格力电器股份有限公司 | 滚筒洗衣机 |
CN109837700A (zh) * | 2017-11-27 | 2019-06-04 | 南京丹浦尔机电科技有限公司 | 一种具有隔振性能的减振器塑料连接装置 |
JP6997004B2 (ja) * | 2018-02-26 | 2022-01-17 | 日立グローバルライフソリューションズ株式会社 | ドラム式洗濯機 |
CN112204189A (zh) * | 2018-06-06 | 2021-01-08 | 夏普株式会社 | 洗衣机 |
JP7174607B2 (ja) * | 2018-12-03 | 2022-11-17 | 日立グローバルライフソリューションズ株式会社 | ドラム式洗濯機 |
Family Cites Families (11)
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US3509742A (en) * | 1966-10-05 | 1970-05-05 | Fritz Bauer | Supporting structure for a washing machine |
JPS5066974A (fr) * | 1973-10-19 | 1975-06-05 | ||
JPS60171281U (ja) * | 1984-04-20 | 1985-11-13 | 三洋電機株式会社 | ドラム式脱水洗濯機 |
JPH03248112A (ja) * | 1990-02-27 | 1991-11-06 | Canon Inc | ズームレンズ鏡筒 |
KR100640880B1 (ko) * | 2003-02-17 | 2006-11-02 | 엘지전자 주식회사 | 드럼 세탁기 |
JP4368662B2 (ja) * | 2003-11-07 | 2009-11-18 | パナソニック株式会社 | ドラム式洗濯機 |
JP3949145B2 (ja) * | 2005-05-13 | 2007-07-25 | シャープ株式会社 | ドラム式洗濯機 |
JP4555755B2 (ja) * | 2005-09-08 | 2010-10-06 | パナソニック株式会社 | ドラム式洗濯機 |
US20110023554A1 (en) * | 2009-07-31 | 2011-02-03 | Bsh Home Appliances Corporation | Damping system for a household appliance |
JP5768209B2 (ja) | 2011-02-23 | 2015-08-26 | パナソニックIpマネジメント株式会社 | ドラム式洗濯機 |
EP2557217B1 (fr) * | 2011-02-23 | 2014-06-11 | Panasonic Corporation | Machine à laver à tambour |
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2014
- 2014-06-13 EP EP14172244.7A patent/EP2843097B1/fr active Active
- 2014-08-25 CN CN201410422330.XA patent/CN104420116B/zh active Active
- 2014-08-25 CN CN201610382401.7A patent/CN105887417B/zh active Active
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Also Published As
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CN104420116B (zh) | 2017-05-24 |
EP2843097A1 (fr) | 2015-03-04 |
CN105887417A (zh) | 2016-08-24 |
CN105887417B (zh) | 2018-04-06 |
CN104420116A (zh) | 2015-03-18 |
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