EP3103912B1 - Device and washing machine - Google Patents
Device and washing machine Download PDFInfo
- Publication number
- EP3103912B1 EP3103912B1 EP14881027.8A EP14881027A EP3103912B1 EP 3103912 B1 EP3103912 B1 EP 3103912B1 EP 14881027 A EP14881027 A EP 14881027A EP 3103912 B1 EP3103912 B1 EP 3103912B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust port
- washing tank
- water
- main body
- circumferential direction
- 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.)
- Not-in-force
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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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
- D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry
- D06F23/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a vertical axis
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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
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
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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
- D06F37/26—Casings; Tubs
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
Definitions
- the present disclosure relates to a device for use in a washing machine, and a washing machine having the device.
- a waterway constituting member as the device is mounted on the inner circumferential face of the washing tank.
- a circulation waterway is formed in the waterway constituting member. Water drawn in the circulation waterway is exhausted from an exhaust port which is formed in an upper end portion of the waterway constituting member, so as to be splashed onto the laundry inside the washing tank.
- the washing machine comprises a washing and dehydration tub storing washing which is rotatably enclosed in a water receiving tub, a cover forming a discharge section 13 for spraying water which is arranged between the upper portion of the water receiving tub and the upper portion of the washing and dehydration tub.
- the washing and dehydration tub is rotationally driven by a motor.
- a drainage pump is arranged in the downstream side of a connection between a drainage route from the bottom of the water receiving tub and an overflowing water route from the upper portion of the water receiving tub, and a check valve opening is attached on the downstream side of the overflowing water route.
- the rotation of the washing and dehydration tub makes washing water between the washing and dehydration tub and the water receiving tub rise and be sprayed into the washing and dehydration tub from the upper portion thereof.
- a state of water when being exhausted from the exhaust port of the device of patent documents 1-3 is largely effected by volume and level of water accumulated in the washing tank and the height of the exhaust port. For example, when the water volume is less, or the water level is lower than the exhaust port and a height difference between the water level and the exhaust port is large, water potential is weak when water being exhausted from the exhaust port, and a water exhaust range is narrower. Thus, it is difficult to splash all the water exhausted from the exhaust port onto laundry inside the washing tank.
- a portion of a guiding wall part surrounding the exhaust port is formed in a substantially arc shape bulged toward a curvature center of the inner circumferential face of the washing tank.
- a portion of a waterway constituting member surrounding the exhaust port is also formed in a substantially arc shape bulged toward a curvature center of the inner circumferential face of the washing tank.
- the present disclosure has been made in consideration of these circumstances, and therefore an object of the present disclosure to provide a device and a washing machine having the same, where the device is configured to draw water accumulated in a washing tank and splash the water onto laundry in the washing tank, and can lower difficulty in arranging a structure for splashing all the water onto the laundry.
- an object of the present disclosure to provide a device capable of splashing all the water onto laundry, and a washing machine having the device.
- the device is mounted on the inner circumferential face of the washing tank in a state that a plurality of devices are gathered together and arranged in the circumferential direction, and each of the devices includes a blocking member for blocking an end portion on a same side in the circumferential direction in the exhaust port, wherein the blocking member is in a shape of a block erected between the rib and the guiding member.
- the device for use in a vertical washing machine having a cylindrical washing tank with a bottom which is formed with a laundry access port at an upper end and is provided with a bottom wall at a lower end includes: a main body mounted on the inner circumferential face of the washing tank in a posture along the up-down direction.
- the device in the main body can introduce water in the washing tank from the intake port at a lower end portion, guide the water upward through the waterway, exhaust the water from the exhaust port of the surface of the upper end portion of the main body and splash the water onto laundry inside the washing tank from top.
- the exhaust port is relatively long in a circumferential direction of the inner circumferential face of the washing tank. It is difficult for the exhaust port which is relatively long in the circumferential direction to spread the water risen from the waterway to the exhaust port to the two ends in the circumferential direction.
- the top-to-bottom width of the exhaust port in the middle of the circumferential direction is narrower than that at both ends in the circumferential direction. In other words, the width of the exhaust port is increased from the central portion to the two ends in the circumferential direction.
- the exhaust port can also exhaust the water widely from the whole region in the circumferential direction.
- a guiding member which is arranged on the surface of the main body in such a way that the upper end of the exhaust port is bordered, guides the water exhausted from the exhaust port in an obliquely downward direction relative to the horizontal direction.
- the device in the case that the device is mounted on the inner circumferential face of the washing tank in a state that a plurality of devices are gathered together and arranged in the circumferential direction, in each of the devices, an end portion on a same side in the circumferential direction in the exhaust port is blocked by a blocking member. Consequently, by making the water exhausted from each of the exhaust ports of the plurality of devices not collide with each other to the greatest extent, water can be prevented from being scattered outside the access port after collision, and all the water can be especially splashed onto the laundry.
- Fig. 1 is a schematic front view in section showing part showing an internal structure in a washing machine 2 having a device 1 involved in an embodiment of the present disclosure.
- the washing machine 2 further includes a laundry dryer having a function of drying laundry S.
- the washing machine 2 includes a housing 3, a water tank 4, a washing tank 5 and a motor 6.
- the housing 3 is formed in a box shape.
- the housing 3 abuts against a floor 7 from the top via legs 3A provided at a lower end thereof, so as to be disposed on the floor 7.
- the water tank 4 is formed in a cylindrical shape with a bottom.
- the water tank 4 has: a circumferential wall 4A in a substantially cylindrical shape and having an opening part 4B at an upper end, and a bottom wall 4C in a circular plate shape for blocking a hollow portion of the circumferential wall 4B from the downward direction X2.
- the opening part 4A is opened and closed by a lid 8 connected to the circumferential wall 4B.
- Water such as tap water, bath water and a liquid dissolved with detergents and the like are accumulated in the water tank 4.
- the access port 5A is in communication with the opening part 4A from the downward direction X2, and the opening part 4A and the access port 5A are both opened and closed by the lid 8.
- a user of the washing machine 2 can feed/take laundry into/out of the washing tank 5 via the opened access port 5A.
- a through hole 5D is formed in the bottom wall 5C, and water in the water tank 4 can circulate between the water tank 4 and the washing tank 5 through the through hole 5D.
- An annular balancer 10 is mounted at an upper end portion of an inner circumferential face 5E of the circumferential wall 5B.
- the balancer 10 is a component for reducing vibration of the washing tank 5 during rotating, and a liquid for helping to reduce vibration is housed in a cavity 10A inside the balancer 10.
- the motor 6 is disposed at the downward direction X2 of the bottom wall 4C of the water tank 4 in the housing 3.
- An output shaft 6A of the motor 6 extends toward the upward direction X1, and sequentially passes through a circle center of the bottom wall 4C and a circle center of the bottom wall 5C of the washing tank 5.
- the output shaft 6A has a flange portion 6B protruding in shape of a collar between the bottom wall 4C and the bottom wall 5C, and is fixed to the bottom wall 5C and therefore is joined to the washing tank 5.
- the washing tank 5 rotates when driven by the motor 6.
- a rotary wing 11 is mounted on an upper end portion of the output shaft 6A, which the upper end portion protrudes toward the upward direction X1 further than the bottom wall 5C.
- the rotary wing 11 is a so-called impeller.
- the rotary wing 11 is formed in a disk shape, and the upper end portion of the output shaft 6A is mounted at a circle center thereof.
- An upper surface of the rotary wing 39 is provided with a plurality of stirring vanes 11A radially arranged, and a lower surface of the rotary wing 11 is provided with a plurality of pumping vanes 11B radially arranged.
- the rotary wing 11 rotates when driven by the motor 6, and laundry S in the washing tank 5 is stirred by the stirring vanes 11A.
- the inner circumferential face 5E of the washing tank 5 is mounted with the device 1.
- a circumferential direction of the inner circumferential face 5E is referred as a circumferential direction Y
- a radial direction of the inner circumferential face 5E is referred as a radial direction Z.
- a side toward the central axis 9 side is referred as a radial inner side Z1
- a side away from the central axis 9 is referred as a radial outer side Z2.
- the up-down direction X and the circumferential direction Y are orthogonal to each other when viewed from either of the radial inner side Z1 and the radial outer side Z2.
- the device 1 includes a main body 12 made of resin.
- the main body 12 is in shape of a relatively long lid in the up-down direction X and is erected between the balancer 10 and the bottom wall 5C of the washing tank 5 and is mounted on the inner circumferential face 5E of the washing tank 5 from the radial inner side Z1 in a posture along the up-down direction. Therefore, the main body 12 has a back face 12A which is opposite to the inner circumferential face 5E of the washing tank 5, and a surface 12B which is located on an opposite side of the back face 12A and faces a central axis 9 side.
- An intake port 13 is provided on the end portion 12C of the main body lower 12, and an exhaust port 14 is provided on the surface 12B of the upper end portion 12D of the main body upper 12.
- a waterway 15 extending in the up-down direction X is provided on the back face 12A of the main body 12. The waterway 15 is blocked by the inner circumferential face 5E of the washing tank 5 from the radial outer side Z2, is in communication with the intake port 13 at a lower end, and is in communication with the exhaust port 14 at an upper end.
- Fig. 2 is a longitudinal sectional front view showing a washing tank 5 in the washing machine 2.
- Two devices 1 are illustrated in Fig. 2 .
- one device 1 is illustrated in a front view as viewed from the radial inner side Z1
- the other device 1 is illustrated in a longitudinal sectional view.
- the exhaust port 14 in each of the devices 1 is a slit which is relatively long in the circumferential direction Y of the inner circumferential face 5E of the washing tank 5.
- directions are determined mainly by using the up-down direction X, the circumferential direction Y and the radial direction Z.
- Fig. 3 is a stereogram showing the device 1 as viewed from the front.
- a portion closer to the upward direction X1 than the lower end portion 12C extends in the circumferential direction Y with a substantially same width toward the upward direction X1, and the lower end portion 12C is slowly widened in the circumferential direction Y as toward the downward direction X2.
- the surface 12B of the main body 12 is exhibited to the maximum and illustrated.
- a face located behind the surface 12B is the back face 12A.
- the radial inner side Z1 is a near side of the main body 12 toward the surface 12B from the back face 12A
- the radial outer side Z2 is a far side of the main body 12 toward the back face 12A from the surface 12B.
- the surface 12B may be a flat face, a curved face, and may also be a face combined by the flat face and the curved face. As viewed from the radial inner side Z1, an outer peripheral portion of the surface 12B except substantially whole region of the lower end portion, constitutes a flange 16 bent from the surface 12B and extending toward the radial outer side Z2.
- Fig. 4 is a rear view showing the device 1.
- an overall shape of the flange 16 is formed in a substantially inverted U shape.
- an upper flange 16A located at an upper end of the main body 12 flatly extends in the circumferential direction Y.
- a central portion in circumferential direction Y constitutes a first engaging portion 17 in a block shape protruding toward the upward direction X1.
- a pair of second engaging portions 18 in a block shape protruding from a lower end thereof toward the downward direction X2 are formed at an interval in the circumferential direction Y.
- a pair of ribs 19 extending in the up-down direction X are integrally provided in a region on an inner side of the substantially U-shaped flange 16.
- Upper end portions 19A of the pair of ribs 19 are bent in a direction in which they approach each other, and are joined and extend in the circumferential direction Y as a whole. Therefore, an overall shape of the pair of ribs 19 is slightly smaller than an overall shape of the flange 16, and is formed in a substantially inverted U shape.
- a space sandwiched by the pair of ribs 19 is the waterway 15.
- the waterway 15 is a space relatively long in the up-down direction defined by the pair of ribs 19, the back face 12A of the main body 12, and the region of the inner circumferential face 5E of the washing tank 5 opposed to the back face 12A of the main body 12.
- Lower end portions 19B of the pair of ribs 19 extend obliquely in such a way that an interval therebetween in the circumferential direction Y slowly expands as toward the downward direction X2.
- the intake port 13 is a region sandwiched by lower end portions 19B of the pair of ribs 19, and is opened toward the downward direction X2.
- the exhaust port 14 is located at an upper end of the waterway 15, adjacent to upper end portions 19A of the pair of ribs 19 from downward direction X2, and penetrates through the main body 12 in the radial direction Z.
- Each of the pair of ribs 19 does not have to extend linearly in the up-down direction X, but can be bent in the middle.
- a width of the waterway 15 in the circumferential direction Y may also change in the middle in the up-down direction X.
- a tubular sleeve 20 protruding toward the radial outer side Z2 is integrally provided at a position away from the waterway 15.
- Number of sleeves 20 can be arbitrarily set, in this embodiment, every two of the sleeves 20 as a unit are arranged along a up-down direction in a substantially central portion of each of the pair of ribs 19 in the up-down direction X.
- a plug (not shown in figures) provided on the inner circumferential face 5E of the washing tank 5 is inserted into each of the sleeves 20, so that the device 1 is positioned in the washing tank 5.
- Fig. 5 is a front view showing the device 1.
- Fig. 6 is a sectional view taken along line VI-VI of Fig. 5 .
- Fig. 7 is a sectional view taken along line VII-VII of Fig. 5 .
- a width W1 in the circumferential direction Y is referred as width W1
- a width of two ends 14B in the circumferential direction is referred as width W2
- the width W1 is narrower than the width W2
- the width W is formed to be gradually narrower from the two ends 14B toward the central portion 14A. That is to say, the top-to-bottom width W of the exhaust port 14 in the central portion 14A is narrower than that at the two ends 14B.
- grooves 21 on the surface 12B of the upper end portion 12D of the main body 12 are arranged adjacently one by one on two outer sides of exhaust port 14 in the circumferential direction Y.
- each groove 21 is formed to be recessed toward a side of the back face 12A of the main body 12 and extends in the up-down direction X (also see Fig. 3 ). Consequently, in the main body 12, the surface 12B of the upper end portion 12D is pressed toward an inner side in the circumferential direction Y, and the exhaust port 14 is bordered into a substantially arc shape bulged toward the radial inner side Z1. Therefore, the exhaust port 14 faces the radial inner side Z1, and is opened at two ends 14B in a manner of facing the circumferential direction Y.
- water exhausted from the exhaust port 14 diffuses in a fan-shaped exhaust range P expanded from the exhaust port 14 toward the radial inner side Z1 in a plan view.
- the exhaust port 14 can be bordered into a substantially arc shape bulged toward a central axis 9 side of the washing tank 5, i.e. toward the radial inner side Z1. Consequently, even if there is a small amount of flow of water exhausted from the exhaust port 14, still not only widely expands toward the radial inner side Z1 but also toward the circumferential direction Y to the fan-shaped exhaust range P, and is completely splashed onto laundry S. Therefore, in the washing machine 2, difficulty in arranging an exhaust port 14 which is used as a structure for plashing all the water onto the laundry S and bordered into a substantially arc shape.
- the grooves 21 As for a sequence of arranging the grooves 21 on the main body 12, when the main body 12 is molded by injection molding or the like, male parts corresponding to the grooves 21 can be arranged in a mold in advance, so that the grooves 21 and the main body 12 are integrally formed. In addition, the grooves 21 can be arranged in the molded main body 12 by means of a subsequent cutting process or the like.
- the rib 22 and a guiding member 23 are arranged around the exhaust port 14 in the surface 12B of the main body 12.
- the rib 22 extends along the exhaust port 14 in the circumferential direction Y in such a way that a lower end of the exhaust port 14 is bordered, and protrudes toward the radial inner side Z1 to the horizontal direction H.
- the rib 22 may also slightly obliquely protrude toward the upward direction X1 with respect to the horizontal direction H.
- the guiding member 23 extends on the surface 12B of the main body 12 along the exhaust port 14 in the circumferential direction Y in such a way that an upper end of the exhaust port 14 is bordered, and protrudes toward the radial inner side Z1 and obliquely toward the downward direction X2 with respect to the horizontal direction H.
- a direction along which the guiding member 23 protrudes obliquely toward the downward direction X2 is referred as the obliquely downward direction X3.
- Water exhausted from the exhaust port 14 is guided by the ribs 22, so as not to be sprinkled along the surface 12B of the main body 12, and flow toward the radial inner side Z1.
- the guiding member 23 protrudes toward the radial inner side Z1 further than the rib 22. Therefore, the water exhausted from the exhaust port 14 and flowing toward the radial inner side Z1 is guided by the guiding member 23 toward the obliquely downward direction X3 with respect to the horizontal direction H.
- Fig. 8 is a front view showing a main part of the device 1 involved in a variant embodiment.
- the devices 1 involved in the variant embodiment are as described above, provided that a plurality of devices are gathered together.
- Each of the devices 1 is fully painted black as shown in Fig. 8 , and includes a blocking member 24 for blocking an end portion on a same side in the circumferential direction Y in the exhaust port 14.
- the blocking member 24 is in a shape of a block erected between the rib 22 and the guiding member 23, and may be integrally formed with the main body 12 and may also be installed on the main body 12 latter.
- the blocking member 24 is only provided at one end portion (the left end portion in Fig. 8 ) in the circumferential direction Y in the exhaust port 14 and blocks this one end portion. Consequently, in any of the devices 1, only one of the two ends 14B of the exhaust port 14 faces the circumferential direction Y, and the other end of the two ends 14B which is provided with the blocking member 24 does not face the circumferential direction Y.
- Fig. 9 is a schematic top view showing an interior of the washing tank 5 mounted with the device 1 involved in multiple variant embodiments.
- the main body 12 of the device 1 is in a lid shape, and the waterway 15 is a space defined by the back face 12A of the main body 12, the pair of ribs 19 in the back face 12A, and the inner circumferential face 5E of the washing tank 5.
- the main body 12 is a hollow body, and the waterway 15 is built into the main body 12 by making the hollow portion become the waterway 15.
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- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Description
- The present disclosure relates to a device for use in a washing machine, and a washing machine having the device.
- The washing machine disclosed in following patent documents 1-3 has a device, which is configured to draw water accumulated in a washing tank for accommodating laundry and then discharge the water to splash onto the laundry inside the washing tank from top.
- In
patent document 1, a cover member as the device is mounted on an inner circumferential face of the washing tank. A circulation waterway is defined between the cover member and the inner circumferential face of the washing tank. Water drawn in the circulation waterway is exhausted from an exhaust port which is formed an the upper end portion of the cover member, so as to be splashed onto the laundry inside the washing tank. - In
patent document 2, a guiding wall part as the device is mounted on the inner circumferential face of the washing tank. A circulation waterway is defined between the guiding wall part and the inner circumferential face of the washing tank. Water drawn in the circulation waterway is exhausted from an exhaust port which is formed in an upper end portion of the guiding wall part, so as to be splashed onto the laundry inside the washing tank. - In
patent document 3, a waterway constituting member as the device is mounted on the inner circumferential face of the washing tank. A circulation waterway is formed in the waterway constituting member. Water drawn in the circulation waterway is exhausted from an exhaust port which is formed in an upper end portion of the waterway constituting member, so as to be splashed onto the laundry inside the washing tank. -
- Patent document 1: Japanese Patent Laid-Open No.
2004-113277 - Patent document 2: Japanese Patent Laid-Open No.
Heisei 10-33883 - Patent document 3: Japanese Patent Laid-Open No.
Heisei 8-336696 - An example of prior art is described in
JP 2011229718 A JP 2003000994 A discharge section 13 for spraying water which is arranged between the upper portion of the water receiving tub and the upper portion of the washing and dehydration tub. The washing and dehydration tub is rotationally driven by a motor. A drainage pump is arranged in the downstream side of a connection between a drainage route from the bottom of the water receiving tub and an overflowing water route from the upper portion of the water receiving tub, and a check valve opening is attached on the downstream side of the overflowing water route. The rotation of the washing and dehydration tub makes washing water between the washing and dehydration tub and the water receiving tub rise and be sprayed into the washing and dehydration tub from the upper portion thereof. - A state of water when being exhausted from the exhaust port of the device of patent documents 1-3 is largely effected by volume and level of water accumulated in the washing tank and the height of the exhaust port. For example, when the water volume is less, or the water level is lower than the exhaust port and a height difference between the water level and the exhaust port is large, water potential is weak when water being exhausted from the exhaust port, and a water exhaust range is narrower. Thus, it is difficult to splash all the water exhausted from the exhaust port onto laundry inside the washing tank.
- In
patent document 1, since the exhaust port is bordered into a straight line such that it becomes flat in a direction tangential to an inner circumferential face of the washing tank, the water exhausted from the exhaust port would not diffuse in the circumferential direction of the inner circumferential face of the washing tank, but only be splashed onto the laundry on a side closer to a curvature center of the inner circumferential face of the washing tank. - In
patent document 2, a portion of a guiding wall part surrounding the exhaust port is formed in a substantially arc shape bulged toward a curvature center of the inner circumferential face of the washing tank. Similarly, inpatent document 3, a portion of a waterway constituting member surrounding the exhaust port is also formed in a substantially arc shape bulged toward a curvature center of the inner circumferential face of the washing tank. Consequently, since the exhaust port is bordered into a substantially arc shape bulged toward the curvature center of the inner circumferential face of the washing tank, the water exhausted from the exhaust port will not only diffuse toward the curvature center but also toward the circumferential direction of the inner circumferential face of the washing tank into a fan shape, and is completely splashed onto the laundry. - However, in the case of
patent documents - The present disclosure has been made in consideration of these circumstances, and therefore an object of the present disclosure to provide a device and a washing machine having the same, where the device is configured to draw water accumulated in a washing tank and splash the water onto laundry in the washing tank, and can lower difficulty in arranging a structure for splashing all the water onto the laundry.
- Furthermore, an object of the present disclosure to provide a device capable of splashing all the water onto laundry, and a washing machine having the device.
- The device of the present disclosure is used in a vertical washing machine, the vertical washing machine having a cylindrical washing tank with a bottom and is formed with an access port for laundry at an upper end and is provided with a bottom wall at a lower end; the device comprises: a main body, having a back face which is opposite to an inner circumferential face of the washing tank and a surface which is located on an opposite side of the back face and faces a central axis side of the washing tank; wherein the main body is mounted on the inner circumferential face of the washing tank in a posture along the up-down direction; an intake port, which is provided at a lower end portion of the main body for introducing water in the washing tank from a bottom wall side;a waterway, which is provided in the main body for guiding the water introduced by the intake port upwardly; and an exhaust port, which is provided on a surface of an upper end portion of the main body for exhausting the water guided by the waterway and splashing the water onto laundry in the washing tank,wherein the exhaust port is relatively long in a circumferential direction of the inner circumferential face of the washing tank,a top-to-bottom width of the exhaust port in the middle of the circumferential direction is narrower than that at both ends in the circumferential direction, and grooves on the surface of the main body are adjacently arranged on two outer sides of the exhaust port in the circumferential direction;each groove is formed to be recessed toward the back face of the body and extends in the up-down direction beyond the top-to-bottom width of the exhaust port at both ends in the circumferential direction, the surface of the upper end portion of the body is pressed toward an inner side in the circumferential direction, and the exhaust port is bordered into a substantially arc shape bulged toward the central axis side of the washing tank.
- Furthermore, the device is mounted on the inner circumferential face of the washing tank in a state that a plurality of devices are gathered together and are arranged in the circumferential direction, and each of the devices comprises a rib and a guiding member, which are arranged around the exhaust part on the surface of the main body in such a way that an upper end of the exhaust port is bordered, and guides the water exhausted from the exhaust port in an obliquely downward direction relative to the horizontal direction.
- Furthermore, the device is mounted on the inner circumferential face of the washing tank in a state that a plurality of devices are gathered together and arranged in the circumferential direction, and each of the devices includes a blocking member for blocking an end portion on a same side in the circumferential direction in the exhaust port, wherein the blocking member is in a shape of a block erected between the rib and the guiding member.
- In addition, the present disclosure relates to a washing machine, including the above device.
- According to the present disclosure, the device for use in a vertical washing machine having a cylindrical washing tank with a bottom which is formed with a laundry access port at an upper end and is provided with a bottom wall at a lower end includes: a main body mounted on the inner circumferential face of the washing tank in a posture along the up-down direction. The device in the main body can introduce water in the washing tank from the intake port at a lower end portion, guide the water upward through the waterway, exhaust the water from the exhaust port of the surface of the upper end portion of the main body and splash the water onto laundry inside the washing tank from top.
- The exhaust port is relatively long in a circumferential direction of the inner circumferential face of the washing tank. It is difficult for the exhaust port which is relatively long in the circumferential direction to spread the water risen from the waterway to the exhaust port to the two ends in the circumferential direction. However, the top-to-bottom width of the exhaust port in the middle of the circumferential direction is narrower than that at both ends in the circumferential direction. In other words, the width of the exhaust port is increased from the central portion to the two ends in the circumferential direction. Therefore, even if the potential of water from the waterway toward the exhaust port is weak, since the water risen to the exhaust port spreads over the whole region from the central portion to the two ends in the exhaust port, the exhaust port can also exhaust the water widely from the whole region in the circumferential direction.
- Further, a groove on the surface of the main body is adjacently arranged on two outer sides of the exhaust port in the circumferential direction. That is to say, there is only a need to arrange grooves on the two outer sides of the exhaust port on the surface of the main body, since the exhaust port is bordered into a substantially arc shape bulged toward the central axis side of the washing tank, the water exhausted from the exhaust port would not only diffuse toward the central axis side but also toward the circumferential direction of the inner circumferential face of the washing tank into a fan shape, and is completely splashed onto the laundry. Therefore, difficulty in arranging an exhaust port which is used as the structure for plashing all the water onto the laundry and bordered into a substantially arc shape can be reduced.
- Furthermore, according to the present disclosure, in the case that the device is mounted on the inner circumferential face of the washing tank in a state that a plurality of devices are gathered together and arranged in the circumferential direction, in each of the devices, a guiding member, which is arranged on the surface of the main body in such a way that the upper end of the exhaust port is bordered, guides the water exhausted from the exhaust port in an obliquely downward direction relative to the horizontal direction. Therefore, compared with the case that the water is exhausted from each exhaust port in the horizontal direction or in an obliquely upward direction relative to the horizontal direction and collides, even if the water exhausted from each of the exhaust ports of the plurality of devices collides with each other in the washing tank, a collision position of the water in the washing tank can be moved from the access port toward a lower bottom wall side. Therefore, water can be prevented from being scattered outside the access port after collision, and all the water can be splashed onto the laundry on the bottom wall side.
- Furthermore, according to the present disclosure, in the case that the device is mounted on the inner circumferential face of the washing tank in a state that a plurality of devices are gathered together and arranged in the circumferential direction, in each of the devices, an end portion on a same side in the circumferential direction in the exhaust port is blocked by a blocking member. Consequently, by making the water exhausted from each of the exhaust ports of the plurality of devices not collide with each other to the greatest extent, water can be prevented from being scattered outside the access port after collision, and all the water can be especially splashed onto the laundry.
- Furthermore, according to the present disclosure, in the washing machine including the above device, difficulty in arranging a structure for splashing all the water onto the laundry in the device can be lowered.
-
-
Fig. 1 is a schematic front view in section showing part showing an internal structure in awashing machine 2 having adevice 1 involved in an embodiment of the present disclosure. -
Fig. 2 is a longitudinal sectional front view showing awashing tank 5 in thewashing machine 2. -
Fig. 3 is a stereogram showing thedevice 1 as viewed from the front. -
Fig. 4 is a rear view showing thedevice 1. -
Fig. 5 is a front view showing thedevice 1. -
Fig. 6 is a sectional view taken along line VI-VI ofFig. 5 . -
Fig. 7 is a sectional view taken along line VII-VII ofFig. 5 . -
Fig. 8 is a front view showing a main part of thedevice 1 involved in a variant embodiment. -
Fig. 9 is a schematic top view showing an interior of thewashing tank 5 mounted with thedevice 1 involved in multiple variant embodiments. - Embodiments of the present disclosure will be specifically described below with reference to the accompanying drawings.
-
Fig. 1 is a schematic front view in section showing part showing an internal structure in awashing machine 2 having adevice 1 involved in an embodiment of the present disclosure. - First of all, overview of the washing machine before 2 is described by taking an up-down direction X in
Fig. 1 as a benchmark. In the up-down direction X, an upward direction is referred as an upward direction X1, and a downward direction is referred as a downward direction X2. Furthermore, thewashing machine 2 further includes a laundry dryer having a function of drying laundry S. - The
washing machine 2 includes ahousing 3, awater tank 4, awashing tank 5 and amotor 6. - The
housing 3 is formed in a box shape. Thehousing 3 abuts against a floor 7 from the top vialegs 3A provided at a lower end thereof, so as to be disposed on the floor 7. - The
water tank 4 is formed in a cylindrical shape with a bottom. Thewater tank 4 has: acircumferential wall 4A in a substantially cylindrical shape and having anopening part 4B at an upper end, and abottom wall 4C in a circular plate shape for blocking a hollow portion of thecircumferential wall 4B from the downward direction X2. Theopening part 4A is opened and closed by alid 8 connected to thecircumferential wall 4B. Water such as tap water, bath water and a liquid dissolved with detergents and the like are accumulated in thewater tank 4. - The
washing tank 5 is formed in a cylindrical shape with a bottom and is slightly smaller than thewater tank 4. Thewashing tank 5 has acircumferential wall 5B in a substantially cylindrical shape and having anaccess port 5A at an upper end, and abottom wall 4C in a circular plate shape for blocking a hollow portion of thecircumferential wall 5C from the downward direction X2. Therefore, in thewashing tank 5, theaccess port 5A is formed at the upper end, and thebottom wall 5C is provided at the lower end. Thewashing tank 5 is coaxially housed within thewater tank 4. Thewashing tank 5 housed within thewater tank 4 can rotate with acentral axis 9 as an axis, which thecentral axis 9 extends in the up-down direction X and is orthogonal to a horizontal direction H. Consequently, thewashing machine 2 is a vertical washing machine with a vertically arrangedwashing tank 5. - The
access port 5A is in communication with theopening part 4A from the downward direction X2, and theopening part 4A and theaccess port 5A are both opened and closed by thelid 8. A user of thewashing machine 2 can feed/take laundry into/out of thewashing tank 5 via the openedaccess port 5A. A throughhole 5D is formed in thebottom wall 5C, and water in thewater tank 4 can circulate between thewater tank 4 and thewashing tank 5 through the throughhole 5D. - An
annular balancer 10 is mounted at an upper end portion of an innercircumferential face 5E of thecircumferential wall 5B. Thebalancer 10 is a component for reducing vibration of thewashing tank 5 during rotating, and a liquid for helping to reduce vibration is housed in acavity 10A inside thebalancer 10. - The
motor 6 is disposed at the downward direction X2 of thebottom wall 4C of thewater tank 4 in thehousing 3. Anoutput shaft 6A of themotor 6 extends toward the upward direction X1, and sequentially passes through a circle center of thebottom wall 4C and a circle center of thebottom wall 5C of thewashing tank 5. Theoutput shaft 6A has aflange portion 6B protruding in shape of a collar between thebottom wall 4C and thebottom wall 5C, and is fixed to thebottom wall 5C and therefore is joined to thewashing tank 5. Thewashing tank 5 rotates when driven by themotor 6. - A
rotary wing 11 is mounted on an upper end portion of theoutput shaft 6A, which the upper end portion protrudes toward the upward direction X1 further than thebottom wall 5C. Therotary wing 11 is a so-called impeller. Therotary wing 11 is formed in a disk shape, and the upper end portion of theoutput shaft 6A is mounted at a circle center thereof. An upper surface of the rotary wing 39 is provided with a plurality of stirringvanes 11A radially arranged, and a lower surface of therotary wing 11 is provided with a plurality of pumpingvanes 11B radially arranged. Therotary wing 11 rotates when driven by themotor 6, and laundry S in thewashing tank 5 is stirred by the stirringvanes 11A. - The inner
circumferential face 5E of thewashing tank 5 is mounted with thedevice 1. Hereinafter, a circumferential direction of the innercircumferential face 5E is referred as a circumferential direction Y, and a radial direction of the innercircumferential face 5E is referred as a radial direction Z. In the radial direction Z, a side toward thecentral axis 9 side is referred as a radial inner side Z1, a side away from thecentral axis 9 is referred as a radial outer side Z2. The up-down direction X and the circumferential direction Y are orthogonal to each other when viewed from either of the radial inner side Z1 and the radial outer side Z2. - Number of
device 1 used in thewashing machine 2 may be arbitrarily set, i.e. may be either one or more than one. In this embodiment, thedevice 1 is mounted on the innercircumferential face 5E in a state that a plurality of devices with same size and shape are gathered together and arranged in the circumferential direction Y. Spacing ofadjacent devices 1 in the circumferential direction Y may be fixed betweenarbitrary devices 1, but may also vary depending on thedevices 1. - The
device 1 includes amain body 12 made of resin. Themain body 12 is in shape of a relatively long lid in the up-down direction X and is erected between thebalancer 10 and thebottom wall 5C of thewashing tank 5 and is mounted on the innercircumferential face 5E of thewashing tank 5 from the radial inner side Z1 in a posture along the up-down direction. Therefore, themain body 12 has aback face 12A which is opposite to the innercircumferential face 5E of thewashing tank 5, and asurface 12B which is located on an opposite side of theback face 12A and faces acentral axis 9 side. - An
intake port 13 is provided on theend portion 12C of the main body lower 12, and anexhaust port 14 is provided on thesurface 12B of theupper end portion 12D of the main body upper 12. Awaterway 15 extending in the up-down direction X is provided on theback face 12A of themain body 12. Thewaterway 15 is blocked by the innercircumferential face 5E of thewashing tank 5 from the radial outer side Z2, is in communication with theintake port 13 at a lower end, and is in communication with theexhaust port 14 at an upper end. - When the
rotary wing 11 rotates, water in thewashing tank 5 is pressed into theintake port 13 of eachdevice 1 by the pumpingvanes 11B of therotary wing 11, and is introduced into theintake port 13 from aside wall 5C side of thewashing tank 5. The water introduced by theintake port 13 is guided through thewaterway 15 to theexhaust port 14 at the upward direction X1, and then is exhausted from theexhaust port 14, as shown in arrows with bold dashed lines, and is splashed onto laundry S in thewashing tank 5 from the upward direction X1. Consequently, the water in thewashing tank 5 circulates via thewaterway 15 of thedevice 1 and is repeatedly used for washing, and therefore washing can be performed with a small amount of water. - Next, the
device 1 is described in detail. -
Fig. 2 is a longitudinal sectional front view showing awashing tank 5 in thewashing machine 2. - Two
devices 1 are illustrated inFig. 2 . Among the twodevices 1, onedevice 1 is illustrated in a front view as viewed from the radial inner side Z1, and theother device 1 is illustrated in a longitudinal sectional view. As shown in onedevice 1, theexhaust port 14 in each of thedevices 1 is a slit which is relatively long in the circumferential direction Y of the innercircumferential face 5E of thewashing tank 5. The following description will be made with reference to the gesture of thedevice 1 when being mounted on the innercircumferential face 5E of thewashing tank 5; in this case, directions are determined mainly by using the up-down direction X, the circumferential direction Y and the radial direction Z. -
Fig. 3 is a stereogram showing thedevice 1 as viewed from the front. - Referring to
Fig. 3 , in themain body 12 of thedevice 1, a portion closer to the upward direction X1 than thelower end portion 12C extends in the circumferential direction Y with a substantially same width toward the upward direction X1, and thelower end portion 12C is slowly widened in the circumferential direction Y as toward the downward direction X2. - In
Fig. 3 , thesurface 12B of themain body 12 is exhibited to the maximum and illustrated. In themain body 12 ofFig. 3 , a face located behind thesurface 12B is theback face 12A. The radial inner side Z1 is a near side of themain body 12 toward thesurface 12B from theback face 12A, and the radial outer side Z2 is a far side of themain body 12 toward theback face 12A from thesurface 12B. - The
surface 12B may be a flat face, a curved face, and may also be a face combined by the flat face and the curved face. As viewed from the radial inner side Z1, an outer peripheral portion of thesurface 12B except substantially whole region of the lower end portion, constitutes aflange 16 bent from thesurface 12B and extending toward the radial outer side Z2. -
Fig. 4 is a rear view showing thedevice 1. - As shown in
Fig. 4 , as viewed from a back face side of thedevice 1, i.e. the radial outer side Z2, an overall shape of theflange 16 is formed in a substantially inverted U shape. In theflange 16, anupper flange 16A located at an upper end of themain body 12 flatly extends in the circumferential direction Y. - In the
upper flange 16A, a central portion in circumferential direction Y constitutes a first engagingportion 17 in a block shape protruding toward the upward direction X1. In themain body 12, a pair of secondengaging portions 18 in a block shape protruding from a lower end thereof toward the downward direction X2 are formed at an interval in the circumferential direction Y. As described above, in a state that themain body 12 is erected between thebalancer 10 and thebottom wall 5C of thewashing tank 5, the first engagingportion 17 is engaged with thebalancer 10 from the downward direction X2, and the second engagingportion 18 is engaged with thebottom wall 5C from the upward direction X1, so that themain body 12 are located on thebalancer 10 and thebottom wall 5C, respectively. - On the
back face 12A of themain body 12, a pair ofribs 19 extending in the up-down direction X are integrally provided in a region on an inner side of the substantiallyU-shaped flange 16.Upper end portions 19A of the pair ofribs 19 are bent in a direction in which they approach each other, and are joined and extend in the circumferential direction Y as a whole. Therefore, an overall shape of the pair ofribs 19 is slightly smaller than an overall shape of theflange 16, and is formed in a substantially inverted U shape. A space sandwiched by the pair ofribs 19 is thewaterway 15. Strictly speaking, thewaterway 15 is a space relatively long in the up-down direction defined by the pair ofribs 19, theback face 12A of themain body 12, and the region of the innercircumferential face 5E of thewashing tank 5 opposed to theback face 12A of themain body 12. -
Lower end portions 19B of the pair ofribs 19 extend obliquely in such a way that an interval therebetween in the circumferential direction Y slowly expands as toward the downward direction X2. Theintake port 13 is a region sandwiched bylower end portions 19B of the pair ofribs 19, and is opened toward the downward direction X2. Theexhaust port 14 is located at an upper end of thewaterway 15, adjacent toupper end portions 19A of the pair ofribs 19 from downward direction X2, and penetrates through themain body 12 in the radial direction Z. - Each of the pair of
ribs 19 does not have to extend linearly in the up-down direction X, but can be bent in the middle. Depending on shapes of theribs 19, a width of thewaterway 15 in the circumferential direction Y may also change in the middle in the up-down direction X. - At the
back face 12A, atubular sleeve 20 protruding toward the radial outer side Z2 is integrally provided at a position away from thewaterway 15. Number ofsleeves 20 can be arbitrarily set, in this embodiment, every two of thesleeves 20 as a unit are arranged along a up-down direction in a substantially central portion of each of the pair ofribs 19 in the up-down direction X. A plug (not shown in figures) provided on the innercircumferential face 5E of thewashing tank 5 is inserted into each of thesleeves 20, so that thedevice 1 is positioned in thewashing tank 5. -
Fig. 5 is a front view showing thedevice 1.Fig. 6 is a sectional view taken along line VI-VI ofFig. 5 .Fig. 7 is a sectional view taken along line VII-VII ofFig. 5 . - Referring to
Fig. 5 , for a top-to-bottom width W of theexhaust port 14, when a width of thecentral portion 14A in the circumferential direction Y is referred as width W1, and a width of two ends 14B in the circumferential direction is referred as width W2, and the width W1 is narrower than the width W2, the width W is formed to be gradually narrower from the two ends 14B toward thecentral portion 14A. That is to say, the top-to-bottom width W of theexhaust port 14 in thecentral portion 14A is narrower than that at the two ends 14B. - In the
exhaust port 14 which is just relatively long in the circumferential direction Y, water risen from thewaterway 15 to theexhaust port 14 is difficult to spread over the two ends 14B in the circumferential direction Y. However, in thedevice 1 of this embodiment, since the top-to-bottom width W of theexhaust port 14 in thecentral portion 14A is narrower than that at the two ends 14B, theexhaust port 14 is widened from thecentral portion 14A toward the two ends 14B. Therefore, even if potential of water from thewaterway 15 toward theexhaust port 14 is weak, water at theexhaust port 14 can be widely exhausted from a whole region in the circumferential direction Y since the water risen to theexhaust port 14 spreads over a whole region from thecentral portion 14A to the two ends 14B in theexhaust port 14. - With reference to
Fig. 6 ,grooves 21 on thesurface 12B of theupper end portion 12D of themain body 12 are arranged adjacently one by one on two outer sides ofexhaust port 14 in the circumferential direction Y. In theupper end portion 12D of themain body 12, eachgroove 21 is formed to be recessed toward a side of theback face 12A of themain body 12 and extends in the up-down direction X (also seeFig. 3 ). Consequently, in themain body 12, thesurface 12B of theupper end portion 12D is pressed toward an inner side in the circumferential direction Y, and theexhaust port 14 is bordered into a substantially arc shape bulged toward the radial inner side Z1. Therefore, theexhaust port 14 faces the radial inner side Z1, and is opened at two ends 14B in a manner of facing the circumferential direction Y. - In this case, water exhausted from the
exhaust port 14, as shown in dashed lines inFig. 6 , diffuses in a fan-shaped exhaust range P expanded from theexhaust port 14 toward the radial inner side Z1 in a plan view. - In this embodiment, there is only a need to arrange the
grooves 21 on two outer sides of theexhaust port 14 on thesurface 12B of themain body 12, theexhaust port 14 can be bordered into a substantially arc shape bulged toward acentral axis 9 side of thewashing tank 5, i.e. toward the radial inner side Z1. Consequently, even if there is a small amount of flow of water exhausted from theexhaust port 14, still not only widely expands toward the radial inner side Z1 but also toward the circumferential direction Y to the fan-shaped exhaust range P, and is completely splashed onto laundry S. Therefore, in thewashing machine 2, difficulty in arranging anexhaust port 14 which is used as a structure for plashing all the water onto the laundry S and bordered into a substantially arc shape. - As for a sequence of arranging the
grooves 21 on themain body 12, when themain body 12 is molded by injection molding or the like, male parts corresponding to thegrooves 21 can be arranged in a mold in advance, so that thegrooves 21 and themain body 12 are integrally formed. In addition, thegrooves 21 can be arranged in the moldedmain body 12 by means of a subsequent cutting process or the like. - Referring to
Fig. 7 , therib 22 and a guidingmember 23 are arranged around theexhaust port 14 in thesurface 12B of themain body 12. Therib 22 extends along theexhaust port 14 in the circumferential direction Y in such a way that a lower end of theexhaust port 14 is bordered, and protrudes toward the radial inner side Z1 to the horizontal direction H. Therib 22 may also slightly obliquely protrude toward the upward direction X1 with respect to the horizontal direction H. The guidingmember 23 extends on thesurface 12B of themain body 12 along theexhaust port 14 in the circumferential direction Y in such a way that an upper end of theexhaust port 14 is bordered, and protrudes toward the radial inner side Z1 and obliquely toward the downward direction X2 with respect to the horizontal direction H. A direction along which the guidingmember 23 protrudes obliquely toward the downward direction X2 is referred as the obliquely downward direction X3. - The
rib 22 and the guidingmember 23 extend in parallel in the circumferential direction Y, and would not be connected at two end portions in the circumferential direction Y, and therefore the two ends 14B of theexhaust port 14 remain in a state of facing the circumferential direction Y (seeFigs. 5 and6 ). An interval between therib 22 and the guidingmember 23 in the up-down direction X is the width W of theexhaust port 14. - Water exhausted from the
exhaust port 14 is guided by theribs 22, so as not to be sprinkled along thesurface 12B of themain body 12, and flow toward the radial inner side Z1. The guidingmember 23 protrudes toward the radial inner side Z1 further than therib 22. Therefore, the water exhausted from theexhaust port 14 and flowing toward the radial inner side Z1 is guided by the guidingmember 23 toward the obliquely downward direction X3 with respect to the horizontal direction H. - Therefore, compared with a case that water is exhausted from each
exhaust port 14 in the horizontal direction H or in an obliquely upward direction relative to the horizontal direction H and collides, even if the water exhausted from each of theexhaust ports 14 of the plurality ofdevices 1 collides with each other in thewashing tank 5, a collision position of the water in thewashing tank 5 can be moved from theaccess port 5A toward alower bottom wall 5C side (see arrows with bold dashed lines ofFig. 2 ). Therefore, water can be prevented from being scattered outside theaccess port 5A after collision, and all the water can be splashed onto the laundry S on thebottom wall 5C side. -
Fig. 8 is a front view showing a main part of thedevice 1 involved in a variant embodiment. - The
devices 1 involved in the variant embodiment are as described above, provided that a plurality of devices are gathered together. Each of thedevices 1 is fully painted black as shown inFig. 8 , and includes a blockingmember 24 for blocking an end portion on a same side in the circumferential direction Y in theexhaust port 14. The blockingmember 24 is in a shape of a block erected between therib 22 and the guidingmember 23, and may be integrally formed with themain body 12 and may also be installed on themain body 12 latter. When eachdevice 1 is observed from the radial inner side Z1, in any of thedevices 1, the blockingmember 24 is only provided at one end portion (the left end portion inFig. 8 ) in the circumferential direction Y in theexhaust port 14 and blocks this one end portion. Consequently, in any of thedevices 1, only one of the two ends 14B of theexhaust port 14 faces the circumferential direction Y, and the other end of the two ends 14B which is provided with the blockingmember 24 does not face the circumferential direction Y. -
Fig. 9 is a schematic top view showing an interior of thewashing tank 5 mounted with thedevice 1 involved in multiple variant embodiments. - As shown in
Fig. 9 , when thedevice 1 involved in the variant embodiment is used, in each of thedevices 1, by comparing the exhaust range P of water exhausted from theexhaust port 14 in a plan view with the exhaust range when there is no blockingmember 24, only region Q with dashed shadow lines is narrowed. That is to say, the water exhausted from theexhaust port 14 is hindered by the blockingmember 24, and a exhaust direction is restricted such that the water will not diffuse to the region Q. Consequently, by making the water exhausted from each of theexhaust ports 14 of the plurality ofdevices 1 not collide with each other to the greatest extent, water can be prevented from being scattered outside theaccess port 5A after collision, and all the water can be especially splashed onto the laundry S. - The present disclosure is not restricted to the embodiments as described above, and various modifications can be made within the scope of the stated technical solution.
- For example, the
main body 12 of thedevice 1 is in a lid shape, and thewaterway 15 is a space defined by theback face 12A of themain body 12, the pair ofribs 19 in theback face 12A, and the innercircumferential face 5E of thewashing tank 5. Alternatively, it may be also provided that themain body 12 is a hollow body, and thewaterway 15 is built into themain body 12 by making the hollow portion become thewaterway 15. -
- 1
- Device;
- 2
- Washing machine;
- 5
- Washing tank;
- 5A
- Access port;
- 5C
- Bottom wall;
- 5E
- Inner circumferential face;
- 9
- Central axis;
- 12
- Main body;
- 12A
- Back face;
- 12B
- Surface;
- 12C
- Lower end portion;
- 12D
- Upper end portion;
- 13
- Intake port;
- 14
- Exhaust port;
- 14A
- Central portion;
- 14B
- Two ends;
- 15
- Waterway;
- 21
- Groove;
- 23
- Guiding member;
- 24
- Blocking member;
- H
- Horizontal direction;
- S
- Laundry;
- W
- Width;
- X1
- Upward direction;
- X3
- Obliquely downward direction;
- Y
- Circumferential direction.
Claims (4)
- A device for use in a vertical washing machine, the vertical washing machine having a cylindrical washing tank (5) with a bottom and is formed with an access port (5A) for laundry at an upper end and is provided with a bottom wall at a lower end; the device comprises:a main body (12), having a back face (12A) which is opposite to an inner circumferential face (5E) of the washing tank (5) and a surface (12B) which is located on an opposite side of the back face (12A) and faces a central axis side of the washing tank (5); wherein the main body (12) is mountable on the inner circumferential face (5E) of the washing tank (5) in a posture along the up-down direction;an intake port (13), which is provided at a lower end portion of the main body (12) for introducing water in the washing tank (5) from a bottom wall side;a waterway (15), which is provided in the main body (12) for guiding the water introduced by the intake port (13) upwardly; andan exhaust port (14), which is provided on a surface of an upper end portion of the main body (12) for exhausting the water guided by the waterway (15) and splashing the water onto laundry in the washing tank (5),wherein the exhaust port (14) is relatively long in a circumferential direction of the inner circumferential face (5E) of the washing tank (5),a top-to-bottom width of the exhaust port (14) in the middle of the circumferential direction is narrower than that at both ends in the circumferential direction, andgrooves (21) on the surface (12B) of the main body (12) are adjacently arranged on two outer sides of the exhaust port (14) in the circumferential direction; characterized in thateach groove (21) is formed to be recessed toward the back face of the body and extends in the up-down direction beyond the top-to-bottom width of the exhaust port at both ends in the circumferential direction, the surface (12B) of the upper end portion of the body (12) is pressed toward an inner side in the circumferential direction, and the exhaust port (14) is bordered into a substantially arc shape bulged toward the central axis side of the washing tank (5).
- The device according to claim 1, wherein
the device is mountable on the inner circumferential face (5E) of the washing tank (5) in a state that a plurality of devices are gathered together and are arranged in the circumferential direction, and
each of the devices comprises a rib (22) and a guiding member (23), which are arranged around the exhaust port (14) on the surface of the main body (12) in such a way that an upper end of the exhaust port (14) is bordered, and guides the water exhausted from the exhaust port (14) in an obliquely downward direction relative to the horizontal direction. - The device according to claim 2, wherein
each of the devices comprises a blocking member (24) for blocking an end portion on a same side in the circumferential direction in the exhaust port (14), wherein the blocking member (24) is in a shape of a block erected between the rib (22) and the guiding member (23). - A washing machine, comprising a device of any of claims 1-3.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2014014723A JP2015139600A (en) | 2014-01-29 | 2014-01-29 | Component and washing machine |
PCT/CN2014/095748 WO2015113449A1 (en) | 2014-01-29 | 2014-12-31 | Device and washing machine |
Publications (3)
Publication Number | Publication Date |
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EP3103912A1 EP3103912A1 (en) | 2016-12-14 |
EP3103912A4 EP3103912A4 (en) | 2017-08-30 |
EP3103912B1 true EP3103912B1 (en) | 2018-11-07 |
Family
ID=53756222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP14881027.8A Not-in-force EP3103912B1 (en) | 2014-01-29 | 2014-12-31 | Device and washing machine |
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US (1) | US20170051448A1 (en) |
EP (1) | EP3103912B1 (en) |
JP (1) | JP2015139600A (en) |
KR (1) | KR20160111527A (en) |
CN (1) | CN105765125B (en) |
WO (1) | WO2015113449A1 (en) |
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2014
- 2014-01-29 JP JP2014014723A patent/JP2015139600A/en active Pending
- 2014-12-31 WO PCT/CN2014/095748 patent/WO2015113449A1/en active Application Filing
- 2014-12-31 EP EP14881027.8A patent/EP3103912B1/en not_active Not-in-force
- 2014-12-31 CN CN201480062452.0A patent/CN105765125B/en active Active
- 2014-12-31 US US15/114,713 patent/US20170051448A1/en not_active Abandoned
- 2014-12-31 KR KR1020167023780A patent/KR20160111527A/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
EP3103912A4 (en) | 2017-08-30 |
US20170051448A1 (en) | 2017-02-23 |
EP3103912A1 (en) | 2016-12-14 |
JP2015139600A (en) | 2015-08-03 |
WO2015113449A1 (en) | 2015-08-06 |
CN105765125B (en) | 2017-09-26 |
KR20160111527A (en) | 2016-09-26 |
CN105765125A (en) | 2016-07-13 |
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