JP2017029307A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a washing machine having a water supply device in which, even in the case where a sufficient water amount cannot be acquired due to a low water pressure, remaining of a detergent and the like in a detergent case hardly occurs.SOLUTION: A washing machine (1) includes a water supply device (9) which has: a water supply device body (50) having a case housing part (60) and a water supply cover part (30); and a detergent case (70). The water supply device (9) has a water supply chamber 44 formed between the water supply cover part (30) and the case housing part (60), and has water supply holes (61, 62) for communicating the water supply chamber (44) and the detergent case (70) in the case housing part (60). The inside of the water supply chamber (44) is partitioned into: a first water supply room (45) in which a small amount of water flows in the case where a small amount of water is supplied; and a second water supply room (46) in which, in the case where a large amount of water is supplied to the first water supply room (45), the water which has filled the first water supply room (45) and has overflowed from the first water supply room (45) flows.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a washing machine.

  2. Description of the Related Art Conventionally, some washing machines include a water supply device having a function of charging a detergent while dissolving it in water. The water supply device is also referred to as a water supply port, and has a detergent case that is housed in a drawer type with respect to the water supply device main body, supplying water from the top of the detergent case containing the detergent, and dissolving the detergent with water. It has a structure to drain.

  By the way, since the washing out of the detergent in the detergent case is insufficient, when the detergent remains in the detergent case, water containing the detergent is supplied in a rinsing process that requires fresh water. Rinsing with detergent-containing water is undesirable for clothing because the detergent adheres to the finished clothing.

  In many cases, tap water is used as water for the washing machine. In places where water pressure is low and sufficient water volume is not obtained (for example, highlands such as mountainous areas) compared to the water pressure of tap water such as near flat land and water supply facilities (hereinafter sometimes referred to as high water pressure) In particular, the detergent remains easily in the detergent case. Then, the structure of the water supply apparatus with which a detergent is hard to remain | survive in a detergent case also in the place where water pressure is low and sufficient water quantity cannot be obtained is examined (for example, refer patent document 1).

JP 11-319378 A

  The cleaning agent charging device of Patent Document 1 corresponds to the water supply device described above, and has a water supply portion having a plurality of holes disposed on the detergent case, and the inclined lower surface of the detergent case and the vicinity of the outlet And a flowing water plate disposed above the inclined lower surface. Here, the flowing water plate is inclined at a reverse gradient with respect to the lower surface.

  The cleaning agent input device of Patent Document 1 breaks down the mountain-shaped powder detergent and supplies the powder detergent to the high part of the powder detergent accumulated like a mountain by intensively supplying water from the water flow plate. Trying to dissolve in water. However, since the water flow plate is arranged on the upstream side of the water supply section (the water supply path side in Patent Document 1), when the water pressure is low and a sufficient amount of water cannot be obtained, the water supply is mainly in the upstream portion of the powder detergent. It is only done.

  That is, in the cleaning agent charging device of Patent Document 1, water supply is consumed on the upstream side of the water supply unit, and it is difficult to reach the downstream side of the water supply unit. Become. For this reason, the pouring of the mountain-shaped powder detergent at the downstream portion becomes insufficient, and the detergent remains in the detergent case.

  Therefore, the technical problem to be solved by the present invention is to provide a washing machine having a water supply device that hardly causes detergent to remain in the detergent case even when the water pressure is low and a sufficient amount of water cannot be obtained. is there.

  In order to solve the above technical problem, according to the present invention, the following washing machine is provided.

That is, the washing machine according to the present invention is
A washing machine comprising a water supply apparatus main body having a case storage section and a water supply cover section integrally attached on the case storage section, and a detergent case attached to the case storage section,
The water supply device has a water supply chamber formed between the water supply cover portion and the case housing portion, and has a water supply hole that communicates the water supply chamber and the detergent case attached to the case storage portion. In the case housing,
In the water supply chamber, when a small flow rate of water is supplied, a first water supply chamber into which the small flow rate of water flows and a large flow of water exceeding the small flow rate are supplied to the first water supply chamber. In this case, the first water supply room is partitioned and a second water supply room into which overflowing water flows from the first water supply room is partitioned.

  The second water supply room is preferably surrounded by the first water supply room in a plan view.

  The second water supply chamber is formed by a rectangular upper rib extending upward from the upper surface of the case housing portion and a U-shaped lower rib extending downward from the lower surface of the water supply cover portion, and the upper rib and the It is preferable that the lower rib overlaps with the upper and lower directions and that the upper rib is laterally separated from the lower rib.

  The case housing portion has a first vent hole communicating with the water supply chamber and the detergent case attached to the case housing portion on a downstream side of a portion corresponding to the first water supply chamber, It is preferable that a portion corresponding to the second water supply room has a second ventilation hole communicating with the detergent case mounted in the case housing portion.

The detergent case has a powder detergent container and a liquid detergent container,
It is preferable that the first ventilation hole is disposed on the liquid detergent storage chamber and the second ventilation hole is disposed on the powder detergent storage chamber.

  It is preferable that a bypass flow path connecting the water inlet provided in the water supply cover portion and the first vent hole is disposed in the first water supply chamber so as to be adjacent to the second water supply chamber.

  It is preferable that the bent portion on the downstream side of the introduction flow path in the first water supply chamber is divided into an internal flow path and an external flow path by a diversion rib.

  It is preferable that the diversion ribs extend downward from the lower surface of the water supply cover portion.

  It is preferable that the inner flow path is closed by a closed rib formed on the downstream side of the inner flow path and corresponding to the liquid detergent storage chamber of the detergent case.

  It is preferable that the number of the water supply holes in the outer flow path is larger than the number of the water supply holes in the inner flow path.

  It is preferable that a laterally long water supply long hole is formed as the water supply hole of the outer flow path, and a long hole rib extending upward from the upper surface of the case housing portion is formed around the water supply long hole. .

  It is preferable that the water supply elongated hole is disposed on the upstream side of the detergent case in the liquid detergent storage chamber.

  It is preferable that a flow regulating rib is formed on the downstream side of the water supply elongated hole and extends downward from the lower surface of the case housing portion.

  The water supply cover portion and the water supply panel portion covering the water supply cover portion have a concave arc shape in a cross-sectional view so that rotation of the rear end portion of the lid is not hindered when the substantially circular lid is opened and closed. It is preferable.

  In this invention, since the interior of the water supply chamber is partitioned into the first water supply chamber and the second water supply chamber, the first water supply chamber in the water supply chamber is more than the case where the water supply chamber is configured by only the first water supply chamber. The proportion occupied by is getting smaller. As a result, even if a small amount of water is supplied that has a low water pressure and a sufficient amount of water cannot be obtained, the first water supply room is easily filled with water, and appropriate water supply to the detergent in the detergent case is facilitated. Therefore, the remaining of the detergent in the detergent case can be suppressed. In addition, when a large amount of water is supplied that has a high water pressure and a sufficient amount of water is supplied, water that has overflowed from the first water supply room after filling the first water supply room is supplied to the second water supply room, It is used for dissolving the detergent in the detergent case.

1 is an external perspective view of a vertical washing machine according to an embodiment of the present invention. The fragmentary perspective view which shows the state which opened the lid | cover of the washing machine. The external appearance perspective view of a water supply apparatus. The disassembled perspective view of the water supply apparatus shown in FIG. The top view (top view) of the case accommodating part of the water supply apparatus main body which comprises a water supply apparatus. The figure which looked at the horizontal cross section of the case accommodating part of the water supply apparatus main body shown in FIG. 5 from the bottom face side. The front view of the case accommodating part of the water supply apparatus main body shown in FIG. The top view (top view) of the water supply cover part of the water supply apparatus main body which comprises a water supply apparatus. The bottom view (back view) of the water supply cover part shown in FIG. The rear view of the water supply cover part shown in FIG. The top view (top view) of the detergent case which comprises a water supply apparatus. The bottom view (bottom view) of the detergent case shown in FIG. The rear view of the detergent case shown in FIG. The top view (top view) of the water supply apparatus shown in FIG. XV-XV arrow directional cross-sectional view of the water supply apparatus shown in FIG. XVI-XVI arrow directional cross-sectional view of the water supply apparatus shown in FIG. The XVII-XVII arrow directional cross-sectional view of the water supply apparatus shown in FIG. XVIII-XVIII arrow directional cross-sectional view of the water supply apparatus shown in FIG. XIX-XIX arrow sectional drawing of the water supply apparatus shown in FIG. XX-XX arrow directional cross-sectional view of the water supply apparatus shown in FIG. XXI-XXI arrow directional cross-sectional view of the water supply apparatus shown in FIG. XXII-XXII arrow sectional drawing of the water supply apparatus shown in FIG. XXIII-XXIII sectional view taken on the line of the water supply apparatus shown in FIG. XXIV-XXIV arrow directional cross-sectional view of the water supply apparatus shown in FIG. XXV-XXV arrow directional cross-sectional view of the water supply apparatus shown in FIG. XXVI-XXVI arrow directional cross-sectional view of the water supply apparatus shown in FIG. Sectional drawing of the principal part of the washing machine back in the state which closed the lid | cover. Sectional drawing of the principal part of the washing machine back in the state which opened the cover half. Sectional drawing of the principal part of the washing machine back in the state which opened the lid | cover. The rear perspective view which shows the state which opened the lid | cover. The principal part enlarged view of the washing machine shown in FIG. The rear perspective view which shows the state which closed the lid | cover. The principal part enlarged view of the washing machine shown in FIG. The figure which shows the lower end part of the lid | cover in the state which opened the lid | cover, and its periphery. FIG. 35 is an essential part cross-sectional view of FIG. The perspective view which shows the folding support state of the front cover part of a lid | cover. The perspective view of the washing machine which shows the process in which the front cover part of a lid | cover closes. The perspective view of the washing machine which shows the process in which the front cover part of a lid | cover closes. The front perspective view which shows the final closed state of a lid | cover. The perspective view which shows the click mechanism in a shaft support part. The perspective view which shows the retaining part in a shaft support part.

(First embodiment)
Below, the whole structure of the vertical washing machine 1 which concerns on one Embodiment is demonstrated, referring FIG.1 and FIG.2. FIG. 1 is an external perspective view of a vertical washing machine 1 according to an embodiment of the present invention. FIG. 2 is a partial perspective view showing a state in which the lid 2 of the washing machine 1 is opened. Hereinafter, for convenience of explanation, in FIG. 1 and the like, the direction of the washing machine 1 is specified with reference to FIG. 39 when the side where the front lid portion 2B of the lid 2 is provided is the front side and the washing machine 1 is viewed from the front side. In addition, this embodiment is an example to the last, Comprising: It is not limited to the said embodiment.

(Whole structure of washing machine 1)
The washing machine 1 is a fully automatic vertical washing machine. The outer box 1A of the washing machine 1 has a substantially rectangular parallelepiped shape and is made of metal or synthetic resin. The upper surface and the bottom surface of the outer box 1A are open. An opening on the upper surface of the outer box 1 </ b> A is covered with the upper panel 5. On the front side of the upper panel 5, a display operation unit 6 that performs input operation and display related to the washing operation is provided. The rear panel 7 is provided on the rear side of the upper panel 5 so as to face the rear side of the outer box opening 12. The upper panel 5 and the rear panel 7 are made of synthetic resin, for example.

  An outer box opening 12 for putting laundry into the washing machine 1 is formed at the center of the upper panel 5. The lid 2 has a substantially circular shape in plan view. A hinge portion 25 provided on the rear portion 2C of the lid 2 is rotatably supported by a hinge receiving portion 26 provided on the upper surface portion of the water supply panel portion 8. The lid 2 covering the outer box opening 12 is opened and closed by rotating the lid 2 back and forth.

  Inside the outer box 1A, there are provided a washing tub 3 for storing laundry and washing and dehydrating, and a water tub 4 for storing the washing tub 3. The washing tub 3 can store water in which detergent is dissolved or water for rinsing (hereinafter collectively referred to as “washing water”). The water tub 4 and the washing tub 3 have a bottomed cylindrical shape with an open upper surface, and the water tub 4 is concentrically disposed on the outer side and the washing tub 3 is concentrically disposed on the inner side.

  The water tank 4 is suspended inside the outer box 1A by a suspension member (not shown). The suspension members are arranged at a total of four locations so as to connect the lower outer surface of the water tank 4 and the inner corners of the outer box 1A. The suspension member elastically supports the water tank 4 so that the water tank 4 can swing in the outer box 1A and absorbs vibration.

  The washing tub 3 has a peripheral wall extending upward in a tapered shape, and does not have an opening for allowing liquid to pass except for a plurality of dewatering holes (not shown) arranged in an annular shape at the uppermost portion of the peripheral wall. . That is, the washing tub 3 is of a so-called “no hole” type. An annular balancer (not shown) that suppresses vibration generated when the washing tub 3 is rotated at a high speed for dehydrating the laundry is attached to the edge of the upper opening of the washing tub 3. In addition, the washing tub 3 may not be a holeless type, but may be a holed type having a large number of holes on the peripheral wall.

  A pulsator (not shown), which is a stirring blade for stirring and flowing the washing water in the washing tub 3, is disposed on the inner bottom surface of the washing tub 3. A drive unit (not shown) is attached to the lower surface of the water tank 4. The drive unit has a motor and a clutch / brake mechanism. The clutch / brake mechanism is connected to the motor by a belt. Each of the dewatering shaft of the washing tub 3 and the pulsator shaft of the pulsator protrudes upward. The clutch / brake mechanism is operated by electromagnetic force, and selectively connects one of the dewatering shaft and the pulsator shaft to the motor. The clutch / brake mechanism brakes the rotation of the dehydrating shaft by electromagnetic force and releases the brake. The drive unit may be configured to selectively or simultaneously transmit the rotation of the motor to the washing tub 3 and the pulsator via the dehydrating shaft and the pulsator shaft.

  The dewatering shaft and the pulsator shaft have a double shaft structure. The dewatering shaft is arranged on the outside, and the pulsator shaft is arranged on the inside. The dewatering shaft passes through the water tub 4 and is connected to the washing tub 3 so as to rotatably support the washing tub 3. The pulsator shaft passes through the water tub 4 and the washing tub 3 and is connected to the pulsator so as to rotatably support the pulsator. Sealing members for preventing water leakage are disposed between the dewatering shaft and the water tank 4 and between the dewatering shaft and the pulsator shaft.

  The central portion of the bottom of the washing tub 3 is cut off from other parts including the water tub 4 and communicates with a drainage channel (not shown) provided in a watertight manner. The drainage channel communicates with a drainage hose that drains to the outside of the outer box 1A via a drainage valve. A drain port for draining water discharged through the dewatering hole at the time of dehydration is provided at the bottom of the water tank 4. The drain port and the drain hose part are in direct communication. Therefore, the water generated by the dehydration is discharged directly through the drain hose without passing through the drain valve.

(Structure of the main part of the washing machine 1)
Hereinafter, the structure of each main part in the washing machine 1 will be described with reference to FIGS. 2 to 41.

  FIG. 3 is an external perspective view of the water supply device 9. In FIG. 2, the water supply panel portion 8 located on the rear side of the upper panel 5 is provided with a water supply device 9 (water supply port) for supplying washing water. A water supply device 9 is incorporated in the front side of the water supply panel unit 8 and is covered with the water supply panel unit 8. As shown in FIG. 3, the water supply device 9 includes a detergent case 70 for containing a powder detergent, a liquid detergent, a softener or a bleaching agent (hereinafter collectively referred to as a detergent or the like, if necessary), and the detergent case. 70 has the water supply apparatus main body 50 with which it pulls out and is mounted | worn.

  FIG. 14 is a plan view (top view) of the water supply device 9 shown in FIG. FIG. 27 is a cross-sectional view of a main part behind the washing machine 1 with the lid 2 closed. FIG. 34 is a diagram showing a lower end portion of the lid 2 and its periphery in a state where the lid 2 is opened. As shown in FIG. 27, the water supply connection port 40 is provided on the rear side of the rear panel 7 of the outer box 1A. For example, in order to supply tap water, the water supply connection port 40 is connected to a hose via a water tap and a connector (not shown). 14 and 34, the water supply connection port 40 is connected to the detergent water inlet 34 and the softener water inlet 35 of the water supply device 9 via the detergent water supply valve 41 and the softener water supply valve 42. They communicate with each other. Moreover, another path for supplying bath water pumped up by the bath water pump can be connected to the water supply connection port 40 to supply the bath water to the water supply device 9.

  Tap water introduced through the water supply connection port 40 (hereinafter simply referred to as “water” as needed) is supplied to the water supply device 9. Hereinafter, the configuration of the water supply device 9 will be described in detail with reference to FIGS. 3 to 26.

(Configuration of water supply device 9)
As shown in FIG. 3, the water supply device 9 is provided so as to be detachable by sliding with respect to the water supply panel portion 8 by screwing, and being slidable with respect to the water supply device body 50 in a pull-out manner. A detergent case 70 is included.

(Configuration of water supply device main body 50)
4 is an exploded perspective view of the water supply device 9 shown in FIG. As shown in FIG. 4, the water supply device main body 50 includes a water supply cover portion 30 and a case housing portion 60 that are manufactured by molding a resin material, and has a watertight structure that is integrally attached by welding both. ing. The water supply apparatus main body 50 has a box shape with an open front side. The opening formed on the front side of the water supply apparatus main body 50 serves as a mounting opening 55 for detachably mounting the detergent case 70.

(Structure of case housing part 60)
As shown in FIGS. 4 to 7, the case housing portion 60 has a box shape with the front side opened. The top surface portion of the case housing portion 60 constitutes a water supply plate portion 51. As shown in FIG. 5, a welding rib 52 and a welding rib 53 are formed on the upper surface portion (surface portion) of the water supply plate portion 51. The lower part of the detergent water supply chamber 44 is defined by a welding rib 52, and the lower part of the softener water supply chamber 47 is defined by a welding rib 53. The welding rib 52 has a polygonal shape as a whole, but has a hexagonal shape in which the left rear side projects toward the softener water supply chamber 47. The welding rib 53 has a polygonal shape as a whole, but has a hexagonal shape with the right rear side retracted. The welding ribs 52 and 53 both extend upward.

  The detergent water supply chamber 44 is divided into a first water supply chamber 45 and a second water supply chamber 46. The proportion of the first water supply chamber 45 in the detergent water supply chamber 44 is smaller than that in the case where the detergent water supply chamber 44 is configured by only the first water supply chamber 45.

  The lower part of the second water supply chamber 46 is partitioned by a rectangular upper rib 56. The upper rib 56 extends upward from the upper surface portion of the water supply plate portion 51 of the case housing portion 60. The upper rib 56 includes an upper left rib portion 56A and an upper right rib portion 56B extending in the front-rear direction, and an upper front rib portion 56C and an upper rear rib portion 56D extending in the left-right direction.

  16 is a cross-sectional view taken along the line XVI-XVI of the water supply apparatus 9 shown in FIG. 14, and FIG. 17 is a cross-sectional view taken along the line XVII-XVII of the water supply apparatus 9 shown in FIG. As shown in the sectional views of FIGS. 16 and 17, the upper rib 56 protrudes upward from the welding ribs 52 and 53 as a whole. The upper rib 56 has a rising portion that gradually rises from the front side toward the rear side in a side view, and a plateau-shaped flat portion that has the highest rising height and maintains the height on the rear side. Accordingly, among the four rib portions 56A, 56B, 56C, and 56D constituting the upper rib 56, the rising height of the upper front rib portion 56C is the lowest, and the rising height of the upper rear rib portion 56D is the highest. Yes. Further, the upper left rib portion 56A and the upper right rib portion 56B serve as rising portions that gradually rise from the front side toward the rear side.

  16, 17, and 24 to 26, the upper rib 56 has an upper end that is sized and configured to have a gap with respect to the lower surface of the opposing cover curved portion 39. . When a large flow rate of water (hereinafter simply referred to as “large flow rate water”) that ensures a sufficient amount of water with a high water pressure is introduced, the gap between the upper end portion of the upper rib 56 and the lower surface of the cover curved portion 39. Water can be supplied to the second water supply chamber 46 through the gap provided in the first water supply chamber 46.

  As shown in FIG. 5, the second water supply chamber 46 is located behind the center of the detergent water supply chamber 44 and is surrounded by the first water supply chamber 45 in plan view. When a large amount of water is introduced into the first water supply room 45, the first water supply room 45 is filled and water overflows from the first water supply room 45. Then, the overflowing water flows into the second water supply room 46 outside the first water supply room 45 from all directions. As a result, the water supply to the second water supply room 46 surrounded by the first water supply room 45 is excellent.

  On the other hand, since the lower portion of the second water supply chamber 46 is surrounded by the upper rib 56, the water pressure is low, and a small amount of water (hereinafter simply referred to as “small amount of water”) at which a sufficient amount of water cannot be obtained. ) Is introduced into the first water supply chamber 45, a small flow rate of water is configured not to flow into the second water supply chamber 46. The standard flow rate water, which is an intermediate flow rate between the large flow rate and the small flow rate, can flow into the second water supply chamber 46 although the amount is not large. Here, the standard flow rate is a flow rate assuming a general home, for example, 10 liters / minute. The high flow rate water is, for example, 15 liters / minute or more, and the small flow rate water is, for example, 5 liters / minute or less.

  The substantially left half of the first water supply chamber 45 and the second water supply chamber 46 corresponds to the powder detergent storage chamber 78, and the approximately right half of the first water supply chamber 45 and the second water supply chamber 46 corresponds to the liquid detergent storage chamber 79. To do.

  FIG. 5 is a plan view of the case housing portion 60 of the water supply device main body 50 constituting the water supply device 9 (a top view when the case housing portion 60 is viewed from above). FIG. 8 is a plan view of the water supply cover portion 30 of the water supply device main body 50 constituting the water supply device 9 (a top view (surface view) when the water supply cover portion 30 is viewed from above). FIG. 9 is a bottom view of the water supply cover 30 shown in FIG. 8 (a bottom view (back view) of the water supply cover 30 viewed from below). 8 and 9 show the relationship between the front surface and the back surface, the left side of FIG. 8 is located on the right side of FIG. 9, and the right side of FIG. 8 is located on the left side of FIG. As shown schematically by arrows in FIGS. 5, 8, and 9, in the first water supply chamber 45, an introduction channel 45 </ b> A, an outer channel 45 </ b> B, an inner channel 45 </ b> C, and a bypass channel 45 </ b> D are formed. Yes. The arrows indicating the introduction channel 45A, the outer channel 45B, the inner channel 45C, and the bypass channel 45D are merely examples for helping understanding of the present invention, and do not limit the present invention.

  The introduction channel 45A is a channel from the detergent water guide port 34 to the outer channel 45B and the inner channel 45C. The bent portion on the downstream side of the introduction channel 45A is divided into the inner channel 45C and the outer channel 45B by the diversion ribs 37. The outer flow path 45 </ b> B extends from the left side to the right side on the front side of the first water supply chamber 45, that is, after extending over the powder detergent storage chamber 78 and the liquid detergent storage chamber 79, and then leads to the first vent hole 64. Thus, the flow path extends to the rear side. The outer channel 45B has a longer channel length than the inner channel 45C. The front portions of the inner channel 45C and the outer channel 45B extend so as to be bent substantially orthogonal to the introduction channel 45A.

  The inner flow path 45C is located on the rear side of the outer flow path 45B and extends from the left side to the right side, but is a dead end in front of the upper right rib portion 56B of the upper rib 56. The bypass flow path 45 </ b> D is disposed on the rear side of the first water supply chamber 45 so as to be adjacent to the second water supply chamber 46. The bypass channel 45D branches from the introduction channel 45A, extends from the left side to the right side along the rear side, and terminates at the first vent hole 64. The bypass channel 45 </ b> D is branched on the way to the first ventilation hole 64 and connected to the second water supply chamber 46. In the detergent water supply chamber 44 formed by welding the water supply plate part 51 and the water supply cover part 30, the introduction flow path 45A, the outer flow path 45B, the inner flow path 45C, and the bypass flow path as described above are provided. 45D is formed.

  A plurality of powder detergent water supply holes 61 are provided on the center front side of the water supply plate part 51 of the case housing part 60. The powder detergent water supply hole 61 is a circular hole that penetrates the water supply plate portion 51 and communicates the first water supply chamber 45 and the powder detergent storage chamber 78. The powder detergent water supply hole 61 functions as a water supply hole for supplying water in the first water supply chamber 45 immediately above the powder detergent storage chamber 78 to the powder detergent storage chamber 78. As shown in FIG. 5, for example, four, one, one, and four powder detergent water supply holes 61 are arranged in the front-rear direction. With the plurality of powder detergent water supply holes 61 arranged in this manner, water can be supplied substantially evenly to the front portion of the powder detergent storage chamber 78. The opening diameters of the plurality of powder detergent water supply holes 61 are larger than the opening diameters of the plurality of liquid detergent water supply holes 62 described later. According to this configuration, water can be supplied to the powder detergent storage chamber 78 at a larger flow rate. Further, the plurality of powder detergent water supply holes 61 do not have ribs such as the water supply hole ribs 62 </ b> A around them. This is because when the water supply to the detergent water supply chamber 44 is finished, the water remaining on the water supply plate portion 51 in the first water supply chamber 45 is caused to flow down through the plurality of powder detergent water supply holes 61, thereby This is to prevent 45 from generating residual water.

  A plurality of liquid detergent water supply holes 62 are provided on the right front side of the water supply plate part 51 of the case housing part 60. The liquid detergent water supply hole 62 is a circular hole that penetrates the water supply plate portion 51 and communicates the first water supply chamber 45 and the liquid detergent storage chamber 79. The liquid detergent water supply hole 62 serves as a water supply hole for supplying water in the first water supply chamber 45 immediately above the liquid detergent storage chamber 79 to the liquid detergent storage chamber 79. In FIG. 5, for example, three, three, four, and two liquid detergent water supply holes 62 are arranged in the front-rear direction. With the plurality of liquid detergent supply holes 62 arranged in this manner, water can be supplied substantially evenly to the front portion of the liquid detergent storage chamber 79. The opening diameter of the plurality of liquid detergent water supply holes 62 is smaller than the opening diameter of the plurality of powder detergent water supply holes 61 described above. According to the said structure, it can supply to the liquid detergent storage chamber 79 with a higher water pressure. A water supply hole rib 62 </ b> A surrounding each liquid detergent water supply hole 62 is formed on the upper surface portion of the water supply plate portion 51. The water supply hole rib 62 </ b> A has a function of preventing residual water after the completion of water supply from flowing into the liquid detergent storage chamber 79 through the liquid detergent supply hole 62 due to a large vibration generated during dehydration or the like. Therefore, in the rinsing process requiring fresh water, supply of water containing a detergent is prevented. In addition, the number and arrangement | positioning location of the powder detergent water supply hole 61 and the liquid detergent water supply hole 62 are illustrations, and do not limit this invention.

  In the water supply plate portion 51 of the case housing portion 60 shown in FIG. 5, the inner flow path 45C has two powder detergent water supply holes 61 and four liquid detergent water supply holes 62, and eight outer flow paths 45B. Water detergent water supply holes 61 and eight liquid detergent water supply holes 62. That is, the outer flow path 45B has more powder detergent water supply holes 61 and liquid detergent water supply holes 62 than the inner flow path 45C. The outer flow path 45B allows water to flow more easily than the inner flow path 45C, has a higher flow rate, and increases the flow rate. Therefore, by disposing more powder detergent water supply holes 61 and liquid detergent water supply holes 62 in the outer flow path 45B than in the inner flow path 45C, the powder detergent water supply holes 61 in the outer flow path 45B and the inner flow path 45C and The pressure of the water supplied from each of the liquid detergent water supply holes 62 can be made as equal as possible.

  As shown in FIG. 5, the first ventilation hole 64 is provided on the right rear side of the first water supply chamber 45 and is located immediately above the liquid detergent storage chamber 79. In other words, the first vent hole 64 is disposed downstream of the outer flow path 45B and downstream of the bypass flow path 45D.

  The first vent hole 64 is a hole having a rectangular shape extending in the front-rear direction and penetrating the water supply plate portion 51 to communicate the first water supply chamber 45 and the liquid detergent storage chamber 79. The first vent hole 64 is larger than the liquid detergent water supply hole 62. The first ventilation hole 64 functions as a ventilation hole that takes in air into the first water supply chamber 45 at the end of water supply and discharges the remaining water in the first water supply chamber 45. Residual water in the first water supply chamber 45 is discharged through the first vent hole 64, the powder detergent water supply hole 61, and the liquid detergent water supply hole 62. As a result, in the rinsing process that requires fresh water, the supply of water containing detergent due to the inflow of residual water into the liquid detergent storage chamber 79 is prevented.

  The first vent hole 64 has an opening area that is not blocked by the surface tension of the water supplied into the first water supply chamber 45. The first vent hole 64 has, for example, an opening area that is several times larger than that of the liquid detergent water supply hole 62, for example, has an opening area that is five times or more that of the liquid detergent water supply hole 62. In addition to functioning as a vent hole, the first vent hole 64 functions as a water supply hole that supplies water in the first water supply chamber 45 to the liquid detergent storage chamber 79. The first ventilation hole 64 does not include a rib such as a long-hole rib 66A described later around the first ventilation hole 64. This is because the flow of water is slow because the first vent hole 64 is located on the most downstream side of the outer flow path 45B, so there is no need to actively provide ribs that obstruct the flow of water. It is.

  A second vent hole 65 is provided at the left rear corner of the second water supply chamber 46 and is located immediately above the powder detergent storage chamber 78. The second vent hole 65 is a hole having a quadrangular shape extending in the left-right direction and penetrating the water supply plate portion 51 to communicate the second water supply chamber 46 and the powder detergent storage chamber 78. The second vent hole 65 is opened larger than the powder detergent water supply hole 61. The second ventilation hole 65 functions as a ventilation hole that takes in air into the second water supply chamber 46 at the end of water supply and discharges the remaining water in the second water supply chamber 46. Residual water in the second water supply chamber 46 is discharged through the second vent hole 65. As a result, in the rinsing process that requires fresh water, the supply of water containing detergent due to the inflow of residual water into the powder detergent storage chamber 78 is prevented.

  The second vent hole 65 has an opening area that is not blocked by the surface tension of the water supplied into the second water supply chamber 46. The second vent hole 65 has an opening area several times or more that of the powder detergent water supply hole 61, for example, five times or more that of the powder detergent water supply hole 61. The second vent hole 65 is provided in the second water supply chamber 46 from which water does not flow when a small flow rate of water is introduced into the first water supply chamber 45. Therefore, there is no influence on the water supply to the first water supply chamber 45 when a small flow rate of water is introduced into the first water supply chamber 45.

  The water supply long hole 66 is disposed on the front side of the liquid detergent water supply hole 62 located on the leftmost side. That is, the water supply long hole 66 is arranged on the upstream side of the liquid detergent storage chamber 79. By disposing the water supply elongated hole 66 on the upstream side of the liquid detergent storage chamber 79, it is possible to promote the dissolution of the liquid detergent by hitting the liquid detergent on the upstream side against the liquid detergent. The water supply long hole 66 is a water supply hole having a rectangular shape extending in the left-right direction, passing through the water supply plate portion 51 and communicating the first water supply chamber 45 and the liquid detergent storage chamber 79. That is, the water supply long hole 66 functions as one of the liquid detergent supply holes 62 for supplying water to the liquid detergent storage chamber 79. The water supply long hole 66 has an opening area larger than that of the liquid detergent water supply hole 62. The water supply long hole 66 has, for example, an opening area several times or more that of the liquid detergent water supply hole 62, and has, for example, an opening area that is three times or more that of the liquid detergent water supply hole 62.

  FIG. 6 is a view of the horizontal cross section of the case housing portion 60 of the water supply apparatus main body 50 shown in FIG. 5 as seen from the bottom surface side. As shown in FIG. 6, the flow regulating rib 69 is provided on the downstream side of the water supply long hole 66. The rectifying rib 69 extends downstream in the water supply long hole 66 (that is, on the right side in FIG. 6) and downward in the lower surface portion of the water supply plate portion 51, and extends in the front-rear direction. The rectifying rib 69 allows the water that has flowed in through the water supply long hole 66 to flow downward. As a result, positioning of the water supply point in the liquid detergent storage chamber 79 is ensured, and water can be struck against the liquid detergent to promote dissolution of the liquid detergent. A long hole rib 66 </ b> A surrounding the water supply long hole 66 is formed on the upper surface portion of the water supply plate part 51. The long rib 66A has a function of preventing residual water after the end of water supply from flowing into the liquid detergent storage chamber 79 through the water supply long hole 66 due to a large vibration generated during dehydration or the like. Therefore, in the rinsing process that requires fresh water, the supply of water containing the liquid detergent is prevented.

  A plurality of softener water supply holes 63 are provided on the left front side of the water supply plate portion 51 of the case housing portion 60. The softener water supply hole 63 is a circular hole that penetrates the water supply plate portion 51 and communicates the softener water supply chamber 47 and the softener storage chamber 80. In FIG. 5, for example, two, one, one, one and four softener water supply holes 63 are arranged in the front-rear direction. A plurality of softener water supply holes 63 are also provided on the left rear side of the water supply plate portion 51. As shown in FIG. 5, for example, on the left rear side of the water supply plate portion 51, the three softener water supply holes 63 are spaced apart in the front-rear direction. Water supply hole ribs 63 </ b> A surrounding each softener water supply hole 63 are formed on the upper surface portion of the water supply plate portion 51. The water supply hole rib 63 </ b> A has a function of preventing residual water after the completion of water supply from flowing into the softener accommodation chamber 80 through the softener water supply hole 63 due to a large vibration generated during dehydration or the like. In the softener water supply chamber 47, a softener flow path 47 </ b> A for supplying water introduced from the softener water inlet 35 to each of the softener water supply holes 63 is formed. The softener channel 47A is schematically indicated by an arrow in FIGS. The number and arrangement of the softener water supply holes 63 and the arrows indicating the softener flow paths 47A are merely examples for helping understanding of the present invention, and do not limit the present invention.

  As shown in FIG. 5, one softener drain hole 63 </ b> C is provided on the right rear side of the softener water supply chamber 47. The softener drainage hole 63 </ b> C is a circular hole that penetrates the water supply plate 51 and communicates the softener water supply chamber 47 with the outside of the softener storage chamber 80. FIG. 7 is a front view of the case housing portion 60 of the water supply apparatus main body 50 shown in FIG. As shown in FIGS. 6 and 7, a drain pipe 83 that extends downward is provided around the softener drain hole 63 </ b> C in the lower surface portion of the water supply plate portion 51. The drainage pipe 83 guides a part of the water in the softener water supply chamber 47 to the outside of the drainage recess 84 shown in FIG. 11, and passes the softener storage chamber 80 to the outside of the softener storage chamber 80. Has the function of discharging. FIG. 11 is a plan view (top view) of the detergent case 70 constituting the water supply device 9.

(Configuration of water supply cover 30)
As shown in FIGS. 4 and 8 to 10, the water supply cover 30 has a box shape with the lower side opened. The water supply cover part 30 includes a side wall part 31 and a cover bending part 39. The side wall portion 31 includes a left side wall portion 31A, a right side wall portion 31B, a front wall portion 31C, and a rear wall portion 31D.

  As shown in the cross-sectional views of FIGS. 15 to 21, the front flat portion 39A of the cover bending portion 39 extends in a planar shape from the front side to the rear side to substantially half. On the other hand, the rear curved concave portion 39B of the cover curved portion 39 is an arc-shaped curved concave surface that gradually rises from the substantially half to the rear side as it goes to the rear side.

  As shown in FIGS. 3, 4, 8 and 9, left and right stopper portions 43 are provided at the left end portion and the right end portion on the front side of the front flat portion 39 </ b> A, respectively. Each stopper part 43 extends downward after extending to the front side. The left and right stopper portions 43 engage with the rear wall 76 of the detergent case 70 that has been pulled out, and prevent the detergent case 70 from popping out accidentally.

  As shown in FIG. 9, the welding rib 32 and the welding rib 33 are formed on the upper surface portion of the water supply plate portion 51. The upper portion of the detergent water supply chamber 44 is partitioned by the welding rib 32, and the upper portion of the softener water supply chamber 47 is partitioned by the welding rib 33. The welding rib 32 has a polygonal shape as a whole so as to correspond to the welding rib 52, and has a hexagonal shape in which the left rear side protrudes toward the softener water supply chamber 47. The welding rib 33 also has a polygonal shape as a whole to correspond to the welding rib 53 and a hexagonal shape with the right rear side retracted. The welding ribs 32 and 33 extend downward.

  As shown in FIG. 9, the upper portion of the second water supply chamber 46 is partitioned by a U-shaped lower rib 36. The lower rib 36 is provided on the lower surface side of the water supply cover 30 in the vicinity corresponding to the upper rib 56 of the second water supply chamber 46. The lower rib 36 extends downward from the lower surface portion of the water supply cover 30. The lower rib 36 has a U shape with a rear side cut out, and includes a lower left rib portion 36A and a lower right rib portion 36B extending in the front-rear direction, and a lower front rib portion 36C extending in the left-right direction. .

  16, 17, and 24 to 26, each rib of the lower rib 36 surrounds each rib of the upper rib 56 from the outer periphery, and each rib of the lower rib 36 and the upper rib 56 Each rib is configured to partially overlap in the vertical direction. The lower rib 36 is separated from the upper rib 56 in the lateral direction (horizontal direction), and has a slight gap in the lateral direction (horizontal direction) between the lower rib 36 and the upper rib 56. Rib gaps are provided. According to this configuration, when a small amount of water is introduced into the first water supply chamber 45, the water introduced into the first water supply chamber 45 of the water supply apparatus body 50 through the detergent water inlet 34 gets over the lower rib 36. It is not possible to fill the first water supply room 45. On the other hand, when a large amount of water is supplied to the first water supply chamber 45, the water after filling the first water supply chamber 45 through the rib gap formed between the lower rib 36 and the upper rib 56. The second water supply room 46 is supplied.

  As described above, the rear curved concave portion 39B of the cover curved portion 39 is composed of a curved concave surface that rises with a steep slope from the front side to the rear side. At the same time, as shown in FIG. 18, which is a cross-sectional view taken along the line XVIII-XVIII of the water supply device 9 shown in FIG. 14, the lower side surface of the lower rib 36 and the lower side surfaces of the welding ribs 32, 33 are substantially It has become the same. Therefore, the falling of the lower rib 36 becomes larger toward the rear side. That is, the lower left rib portion 36A and the lower right rib portion 36B of the lower rib 36 have gradually rising heights from the front side to the rear side in a side view. Therefore, among the three ribs 36A, 36B, and 36C constituting the lower rib 36, the lower front rib portion 36C has the lowest falling height, and is located at the rearmost side of the lower left rib portion 36A and the lower right rib portion 36B. Falling height is the highest.

  As shown in the cross-sectional views of FIGS. 16 and 17, the rising height of the upper rear rib portion 56D of the upper rib 56 is the highest. However, as shown in FIG. 9, the lower rib 36 does not have a rear rib corresponding to the upper rear rib portion 56 </ b> D of the upper rib 56, so an opening is formed on the rear side of the second water supply chamber 46. Yes. Therefore, when a large amount of water is supplied to the first water supply chamber 45, after the inside of the first water supply chamber 45 is almost full, a part of the water flowing through the bypass flow path 45D is The upper rear rib portion 56D can be overcome. In other words, the second water supply chamber 46 can be smoothly supplied with water through the opening provided on the rear side of the second water supply chamber 46.

As shown in FIG. 9, the closing rib 38 extends forward from the lower front rib portion 36 </ b> C near the lower right rib portion 36 </ b> B of the lower rib 36. The closing rib 38 extends downward from the lower surface portion of the water supply cover 30. A gap is provided between the end surface of the closing rib 38 and the upper surface of the water supply plate portion 51. A diverting rib 37 extending from the right side to the left side from the front portion of the closing rib 38 is provided. The diversion rib 37 is a rib for branching the introduction channel 45A into an outer channel 45B and an inner channel 45C. The diversion ribs 37 extend downward from the lower surface portion of the water supply cover portion 30. A gap is provided between the end surface of the diversion rib 37 and the upper surface of the water supply plate portion 51. Since it is necessary to provide the water supply hole 61 for powder detergents and the water supply hole 62 for liquid detergents in the water supply plate part 51 of the case accommodating part 60, if the diversion rib 37 is provided in the water supply plate part 51, the structure of the water supply plate part 51 will be shown. It becomes very complicated. Therefore, by providing the diversion rib 37 in the water supply cover portion 30, it is possible to avoid the case housing 60 from becoming complicated. In the outer flow path 45B, water tends to flow vigorously and the flow rate tends to increase. By flowing also in the inner flow path 45C, water supply from the inner flow path 45C and the outer flow path 45B can be realized as uniformly as possible. it can.
In the present embodiment, a gap is provided between the end surface of the closing rib 38 and the upper surface of the water supply plate portion 51, but the end surface of the closing rib 38 and the upper surface of the water supply plate portion 51 (or a water supply hole). The rib 62A) may be brought into partial or total contact. Similarly, in the present embodiment, a gap is provided between the end surface of the diversion rib 37 and the upper surface of the water supply plate portion 51, but the end surface of the diversion rib 37 and the upper surface of the water supply plate portion 51 (or the water supply hole rib). 62A) may be partially or wholly contacted.

  The closing rib 38 is formed on the downstream side of the inner flow path 45 </ b> C and corresponding to the liquid detergent storage chamber 79. Due to the closing rib 38, the inner flow path 45C is a dead end. According to such a configuration, as compared with the case where the closed rib 38 does not exist, the water flowing through the inner flow path 45C is supplied to the powder detergent water supply hole 61 disposed in the inner flow path 45C and the liquid detergent. It flows down more reliably through the water supply hole 62. Therefore, water supply from the inner flow path 45C can be made more reliable.

  As shown in FIG. 9, the protruding end portion 37 </ b> A on the left side of the diversion rib 37 extends slightly longer to the left than the lower left rib portion 36 </ b> A of the lower rib 36. Although water tends to flow more easily in the outer flow path 45B than in the inner flow path 45C, providing the projecting end portion 37A makes it easier to guide water from the introduction flow path 45A to the inner flow path 45C. 22 and 23, the lower side surface of the closing rib 38 and the lower side surface of the flow dividing rib 37 are also substantially flush with the lower side surfaces of the welding ribs 32 and 33. 22 is a sectional view taken along line XXII-XXII of the water supply apparatus 9 shown in FIG. 14, and FIG. 23 is a sectional view taken along line XXIII-XXIII of the water supply apparatus 9 shown in FIG.

  As shown in FIG. 3 and FIG. 15 to FIG. 26, the weld ribs 54 and 53 of the water supply plate portion 51 and the weld ribs 32 and 33 of the water supply cover portion 30 are welded all around, thereby forming a weld portion 54. Is done. The welded portion 54 integrates the water supply cover portion 30 and the water supply plate portion 51 of the case housing portion 60 in a watertight manner. In addition, the water supply cover part 30 and the water supply board part 51 of the case accommodating part 60 can also be integrated watertightly using the well-known adhesion | attachment technique using an adhesive agent.

  As shown in FIG. 3, a detergent water inlet 34 and a softener water inlet 35 are provided on the left side of the rear wall portion of the water supply cover 30. The detergent water supply valve 41 is connected to the detergent water inlet 34, and the softener water supply valve 42 is connected to the softener water inlet 35.

(Configuration of detergent case 70)
FIG. 11 is a plan view (top view) of the detergent case 70 constituting the water supply device 9. FIG. 12 is a bottom view (bottom view) of the detergent case 70 shown in FIG. FIG. 13 is a rear view of the detergent case 70 shown in FIG. As shown in FIGS. 4 and 11 to 13, the detergent case 70 has a box shape with the upper side opened. The detergent case 70 is configured to be detachable from the mounting opening 55 of the water supply apparatus main body 50. The detergent case 70 has a right side wall 71, a right partition wall 72, a left partition wall 73, a left side wall 74, a front wall 75, a rear wall 76 and a bottom wall 77.

  As shown in FIGS. 4 and 11, the detergent case 70 is partitioned into a powder detergent storage chamber 78, a liquid detergent storage chamber 79, and a softener storage chamber 80. The powder detergent storage chamber 78 is defined by a right partition wall 72, a left partition wall 73, a front wall 75, a rear wall 76 and a bottom wall 77. The liquid detergent storage chamber 79 is defined by a right side wall 71, a right partition wall 72, a front wall 75, a rear wall 76 and a bottom wall 77. The softener storage chamber 80 is defined by a left partition wall 73, a left side wall 74, a front wall 75, a rear wall 76 and a bottom wall 77.

  As shown in FIGS. 3 and 4, names of objects to be accommodated in the accommodation chambers 78, 79, 80 are written on the front wall 75. For example, a liquid is indicated on the right side of the front wall 75, a powder is indicated at the center of the front wall 75, and a softener is indicated on the left side of the front wall 75. It is written. The front wall 75 is used as a handle when the detergent case 70 is pulled out.

  16 is a cross-sectional view taken along line XVI-XVI of the water supply device 9 shown in FIG. 17 is a cross-sectional view taken along line XVII-XVII of the water supply device 9 shown in FIG. 18 is a cross-sectional view taken along line XVIII-XVIII of the water supply device 9 shown in FIG. 19 is a cross-sectional view taken along arrow XIX-XIX of the water supply apparatus 9 shown in FIG. FIG. 20 is a cross-sectional view of the water supply device 9 shown in FIG. 14 taken along line XX-XX. FIG. 21 is a cross-sectional view taken along line XXI-XXI of water supply device 9 shown in FIG. The configuration of the bottom wall 77 will be described with reference to the cross-sectional views of FIGS. The front portion of the bottom wall 77 is inclined downwardly from the front side to the rear side. Each of the front side portions of the bottom wall 77 in the powder detergent storage chamber 78 and the liquid detergent storage chamber 79 has a steep slope. On the other hand, the front side portion of the bottom wall 77 in the softener storage chamber 80 is a slope with a gentle gradient. As shown in the cross-sectional views of FIGS. 16 and 19 to 21, each of the rear side portions of the bottom wall 77 in the liquid detergent storage chamber 79 and the softener storage chamber 80 is inclined slightly downward from the front side to the rear side. However, it is a flat surface that is nearly horizontal. As shown in the cross-sectional views of FIGS. 17 and 18, the rear portion of the bottom wall 77 in the powder detergent storage chamber 78 is inclined backward and downward with a relatively steep slope.

  Further, as shown in the cross-sectional views of FIGS. 16 to 21, an outflow path 49 is formed between the bottom wall 77 of the detergent case 70 and the bottom 67 of the case housing 60. An outflow port 68 is provided on the front side of the outflow passage 49. The outlet 68 is disposed at a position facing the inside of the washing tub 3. At the time of washing, water passes through the powder detergent storage chamber 78 and the liquid detergent storage chamber 79 of the detergent case 70 to create washing water containing the detergent. The washing water containing the detergent is washed through the outlet 68. It is supplied to the tank 3. Further, at the time of rinsing, the water passes through the softener storage chamber 80 of the detergent case 70, so that washing water or tap water containing the softening agent is created, and the washing water or tap water containing the softening agent is used in the washing tub. 3 is supplied.

  As shown in FIGS. 4 and 11, siphon portions 81 and 82 are provided in the liquid detergent storage chamber 79 and the softener storage chamber 80 for storing the liquid detergent and the softening agent, respectively, which are liquids. ing.

  The siphon part 81 includes an inner cylinder part 81A that rises vertically from the bottom wall 77 of the liquid detergent storage chamber 79, and a cap part 81B that covers the inner cylinder part 81A. An upper gap is formed between the inner cylinder portion 81A and the cap portion 81B for water containing liquid detergent to pass through. A vertical hole (not shown) extending in the vertical direction is formed in the inner cylinder portion 81A. As shown in FIG. 12, an outflow hole 81 </ b> C that communicates with the vertical hole and penetrates the bottom wall 77 is formed at the bottom of the inner cylinder portion 81 </ b> A. A lower gap is provided between the lower end of the cap portion 81B and the bottom wall 77, and the lower gap serves as an inlet for water containing liquid detergent. Further, a lateral gap is also provided between the inner wall portion of the cap portion 81B and the outer wall portion of the inner cylinder portion 81A, and the lateral gap becomes a passage for water containing the liquid detergent. In the liquid detergent storage chamber 79, when water is supplied to a level exceeding the upper gap above the vertical hole of the inner cylinder portion 81A, the liquid detergent is dissolved and siphon action occurs. In the liquid detergent storage chamber 79, the water containing the liquid detergent is sucked out by the siphon part 81, passes through the vertical hole of the inner cylinder part 81A, and then flows out from the outflow hole 81C.

  The siphon part 82 also includes an inner cylinder part 82A that rises vertically from the bottom wall 77 of the softener storage chamber 80, and a cap part 82B that covers the inner cylinder part 82A. An upper gap is formed between the inner cylinder portion 82A and the cap portion 82B for water containing softener to pass through. A vertical hole (not shown) extending in the vertical direction is formed inside the inner cylinder portion 82A. As shown in FIG. 12, an outflow hole 82 </ b> C that communicates with the vertical hole and penetrates the bottom wall 77 is formed at the bottom of the inner cylinder portion 82 </ b> A. A lower gap is provided between the lower end of the cap portion 82B and the bottom wall 77, and the lower gap serves as an inflow port for water containing a softening agent. Further, a lateral gap is also provided between the inner wall portion of the cap portion 82B and the outer wall portion of the inner cylinder portion 82A, and the lateral gap becomes a passage for water containing the softening agent. In the softener storage chamber 80, when water is supplied to a level exceeding the upper gap above the vertical hole of the inner cylinder portion 82A, the softener is dissolved and siphon action is generated. In the softener storage chamber 80, the water containing the softener is sucked out by the siphon part 82, passes through the vertical hole of the inner cylinder part 82A, and then flows out from the outflow hole 82C.

  As shown in FIG. 13, each portion of the rear wall 76 corresponding to the liquid detergent storage chamber 79 and the softener storage chamber 80 is connected to the bottom wall 77, so that a closed continuous wall is formed. In the portion corresponding to the powder detergent storage chamber 78 in the rear wall 76, only the upper portion exists, but the lower portion opens without being connected to the bottom wall 77, thereby constituting the powder detergent outlet 78 </ b> A. As shown in FIGS. 17 and 18, the rear portion of the bottom wall 77 in the powder detergent storage chamber 78 is inclined with a relatively steep slope so that the bottom wall 77 is like a slide. work. Further, the supplied water acts as lubricating water, and the powder detergent slides down along the bottom wall 77 together with the water supply. As a result, water containing the powder detergent in the powder detergent storage chamber 78 flows out through the powder detergent outlet 78A.

  When water is supplied to each of the powder detergent storage chamber 78, the liquid detergent storage chamber 79, and the softener storage chamber 80, water containing powder detergent, water containing liquid detergent, and water containing softener is created. Those water flows through the outflow passage 49 and then is supplied to the washing tub 3 through the outlet 68.

  Moreover, as shown in FIG. 11, in the rear wall 76 of the softening agent accommodation chamber 80, a drain recess 84 is formed by projecting a part of the rear wall 76 in a U shape to the front side. A drain pipe 83 extending downward from the lower surface portion of the water supply plate portion 51 is disposed on the outer side (rear side) of the drain recess 84. A part of the water in the softener supply chamber 47 flows outside (rear side) of the drainage recess 84 through the drain pipe 83, so that it is not supplied to the softener storage chamber 80 and outside the softener storage chamber 80. Supplied. Then, the water that has passed through the drain pipe 83 flows through the outflow passage 49, and then is supplied to the washing tub 3 through the outlet 68.

(Operation of water supply device 9)
Next, the effect | action of the water supply apparatus 9 mentioned above is demonstrated.

  The user stores the laundry in the washing tub 3 before performing the washing operation, pulls out the detergent case 70, and puts the powder detergent into the powder detergent storage chamber 78, or puts the liquid detergent into the liquid detergent storage chamber 79. . When a softening agent is used, a liquid softening agent is put into the softening agent storage chamber 80 of the detergent case 70.

  For example, the washing operation is performed in the order of a washing process, a rinsing process, and a dehydrating process. In the washing step, for example, laundry weight detection, water supply, and washing are performed. A control unit (not shown) determines the amount of water supplied to the water tub 4 based on the detected weight of the laundry, and starts water supply with the laundry tub 3 stopped. The control unit closes the drain valve and opens the detergent water supply valve 41. Thereby, a small flow rate water or a large flow rate water is supplied to the 1st water supply room 45 of the water supply apparatus main body 50 through the water guide port 34 for detergents.

  First, a case where a small flow rate of water is supplied to the first water supply chamber 45 will be described. Most of the small flow rate of water supplied to the first water supply chamber 45 flows from the rear side toward the front side along the introduction flow path 45A, and the rest flows along the bypass flow path 45D.

  The water flowing along the introduction flow path 45A flows into the outer flow path 45B and the inner flow path 45C at the protruding end portion 37A of the diversion rib 37. The water flowing through the inner flow path 45C flows down from the plurality of powder detergent water supply holes 61 and the plurality of liquid detergent water supply holes 62, and is supplied to the powder detergent storage chamber 78 and the liquid detergent storage chamber 79 of the detergent case 70, respectively. Is done. Since the inner flow path 45C is closed by the closing rib 38, the water flowing through the inner flow path 45C can flow at the same momentum as the water flowing through the outer flow path 45B.

  The water flowing through the outer flow path 45B flows from the left side to the right side of the front side portion of the first water supply chamber 45. In this process, the water flowing through the outer flow path 45B flows down from the plurality of powder detergent water supply holes 61 and is supplied to the powder detergent storage chamber 78 of the detergent case 70. The water that has passed through the powder detergent storage chamber 78 flows down from each of the water supply elongated holes 66 and the plurality of liquid detergent supply holes 62 and is supplied to the liquid detergent storage chamber 79 of the detergent case 70. The water that flows down from the water supply long hole 66 strikes the flow straightening rib 69 and vigorously flows right below. The water that hits the right wall portion 31B flows from the front side toward the rear side of the right side portion of the first water supply chamber 45. The water flowing from the front side toward the rear side of the right side portion of the first water supply chamber 45 in the outer flow path 45B flows down from the plurality of liquid detergent water supply holes 62 and the first vent holes 64, and the liquid detergent in the detergent case 70 It is supplied to the storage chamber 79.

  The remainder of the water supplied from the detergent water inlet 34 and flowing through the introduction flow path 45A flows from the left side to the right side along the bypass flow path 45D from the left side to the right side of the first water supply chamber 45. The liquid flows down from 64 and is supplied to the liquid detergent storage chamber 79 of the detergent case 70.

  Since the detergent water supply chamber 44 is partitioned into the first water supply chamber 45 and the second water supply chamber 46, the detergent water supply chamber is more than the case where the detergent water supply chamber 44 is composed of only the first water supply chamber 45. The proportion of the first water supply room 45 in 44 is small. As a result, even when a small amount of water is supplied to the first water supply room 45, the first water supply room 45 is filled with water, and appropriate water supply to the detergent or the like in the detergent case 70 is performed. Residue of the detergent or the like in the detergent case 70 can be suppressed.

  When a large amount of water is supplied to the first water supply chamber 45, the following behavior is obtained. That is, when a large amount of water is supplied to the first water supply chamber 45, the first water supply chamber 45 is filled, The water that fills the inside of the first water supply room 45 overflows from the first water supply room 45. The overflowing water filling the first water supply chamber 45 flows from the rib gap formed between the lower rib 36 and the upper rib 56, and then the upper left rib portion 56A and the upper right rib constituting the upper rib 56. The vehicle passes over the portion 56B, the upper front rib portion 56C, and the upper rear rib portion 56D, and flows into the second water supply chamber 46. Further, part of the water flowing through the bypass channel 45D passes over the upper rear rib portion 56D of the upper rib 56 and enters the second water supply chamber 46 through a large opening provided on the rear side of the second water supply chamber 46. Inflow. The water that has flowed into the second water supply chamber 46 flows down from the second vent hole 65 while filling the second water supply chamber 46, and is supplied to the powder detergent storage chamber 78 of the detergent case 70.

  The water supplied to the powder detergent storage chamber 78 through the plurality of powder detergent water supply holes 61 and the second vent holes 65 dissolves part of the powder detergent stored in the powder detergent storage chamber 78, and the powder detergent It acts as lubricating water when sliding down along the bottom wall 77. As a result, the powder detergent flows out of the powder detergent storage chamber 78 through the powder detergent outlet 78 </ b> A while sliding down along the bottom wall 77 together with the water supplied to the powder detergent storage chamber 78. The water containing the powder detergent flowing out from the powder detergent storage chamber 78 flows through the outflow passage 49 and then is supplied to the washing tub 3 through the outlet 68.

  The water supplied to the liquid detergent storage chamber 79 through the plurality of liquid detergent water supply holes 62, the second vent holes 65, and the water supply elongated holes 66 dissolves the liquid detergent stored in the liquid detergent storage chamber 79. When the water (water containing liquid detergent) supplied into the liquid detergent storage chamber 79 reaches a level exceeding the upper gap above the vertical hole of the inner cylinder portion 81A, the siphon principle is applied to the bottom of the siphon portion 81. The liquid flows out from the liquid detergent storage chamber 79 through the gap, the horizontal gap, the upper gap, the vertical hole, and the outflow hole 81C. The water containing the liquid detergent that has flowed out of the liquid detergent storage chamber 79 flows through the outflow path 49 and then is supplied to the washing tub 3 through the outlet 68.

  When the water containing the detergent accumulates in the washing tub 3 in a predetermined amount, the control unit closes the detergent water supply valve 41 and rotates the pulsator by the motor. Thereby, washing of the laundry accommodated in the washing tub 3 is performed.

  When the washing process is completed, a rinsing process is performed. In the rinsing process, for example, a plurality of rinses such as a shower rinse and a reservoir rinse are performed. When using a softening agent in a rinse process, a control part controls so that the water containing a softening agent may be supplied in the washing tub 3 with respect to the rinse performed at the end among several rinses. In addition, with respect to the rinse performed before the last rinse, a control part opens the detergent water supply valve 41, and controls it to supply water through the detergent water supply chamber 44. FIG.

  The control unit closes the drain valve and opens the softener water supply valve 42. Thereby, water is supplied to the softener water supply chamber 47 of the water supply apparatus main body 50 through the softener water guide port 35. Most of the water supplied to the softener water supply chamber 47 flows from the rear side toward the front side along the softener flow path 47A, and the remaining small amount of water flows into one softener discharge hole 63C. Flowing into.

  Most of the water supplied to the softener water supply chamber 47 is supplied to each of the plurality of softener water supply holes 63 through the softener channel 47A. The water flowing down from each of the plurality of softener water supply holes 63 is supplied to the softener storage chamber 80 of the detergent case 70.

  The water supplied to the softener storage chamber 80 through the plurality of softener water supply holes 63 dissolves the softener stored in the softener storage chamber 80. When the water (water containing the softening agent) supplied into the softening agent storage chamber 80 reaches a level exceeding the upper gap above the vertical hole of the inner cylindrical portion 82A, the siphon principle is applied to the bottom of the siphoning portion 82. After passing through the gap, the lateral gap, the upper gap, the vertical hole, and the outflow hole 82C, the liquid flows out from the softening agent storage chamber 80. The water containing the softening agent that has flowed out of the softening agent storage chamber 80 flows through the outflow passage 49 and then is supplied to the washing tub 3 through the outlet 68.

  Although the softener water supply chamber 47 is a sealed space by welding, it does not include a large opening such as the first ventilation hole 64. In such a configuration, the plurality of softener supply holes 63 are blocked by the surface tension of the water, and the water in the softener supply chamber 47 is prevented from flowing down. Therefore, water that has been supplied to the second water supply chamber 46 but has not been supplied to the softener storage chamber 80 through the plurality of softener supply holes 63 tends to remain in the softener supply chamber 47 as residual water. . As a countermeasure against remaining water, the water supply plate portion 51 corresponding to the softener water supply chamber 47 includes a softener discharge hole 63 </ b> C and a drain pipe 83. According to this configuration, the remaining water in the second water supply chamber 46 flows down the drainage recess 84 (rear side) through the softener discharge hole 63 </ b> C and the drainage pipe 83, so that the exterior of the softener storage chamber 80. To be supplied. Then, the remaining water flows through the outflow passage 49 and then is supplied to the washing tub 3 through the outlet 68. As a result, generation of residual water in the softener water supply chamber 47 is prevented.

  When the rinsing process is completed, the dehydrating process is performed. In the dehydration process, the control unit stops the rotation of the pulsator, opens the drain valve to perform drainage, and then performs centrifugal dehydration by rotating the washing tub 3 at a high speed with the drain valve opened. Washing water contained in the laundry is discharged from the dewatering hole, flows down to the bottom of the water tank 4 along the inner surface of the water tank 4, and is discharged out of the outer box 1A. By completing the dehydration process, a series of washing operations is completed.

(Second Embodiment)
Next, the relationship between the rotation of the lid 2 and the shape of the water supply cover 30 will be described with reference to FIGS. 1, 2, and 27 to 29 in relation to the water supply cover 30 of the water supply device 9.

  As shown in FIG. 1, the lid 2 has a substantially circular shape in plan view. Most conventional lids 2 have a shape in which a portion closer to the lower end than the hinge portion 25 is cut. On the other hand, the lid 2 in the present invention has a circular shape. The circular shape of the lid 2 is a novel design that has never been seen before, and gives a stylish impression to the viewer.

  As shown in FIG. 2, the lid 2 includes a lid body 2 </ b> A located on the rear side of the lid 2 and a front lid portion 2 </ b> B located on the front side of the lid 2. The lid 2 is configured such that the hinge portions 25 provided on the left and right of the lower end portion of the lid body 2A are rotatably supported by the left and right hinge receiving portions 26 provided on the upper surface portion of the water supply panel portion 8. . A crescent-shaped rear end portion 21A is provided in a portion closer to the lower end than the hinge portion 25 of the lid body 2A. As shown in FIGS. 27 to 29, the lid 2 rotates between a substantially upright position and a substantially horizontal position by opening and closing the lid 2. 27 shows a substantially horizontal position with the lid 2 closed, FIG. 28 shows an intermediate position with the lid 2 half-opened, and FIG. 29 shows a substantially upright position with the lid 2 opened. As the lid 2 rotates between the substantially upright position and the substantially horizontal position, the crescent-shaped rear end portion 21A is also located between the substantially upright position and the substantially horizontal position around the hinge receiving portion 26. Rotate.

  When the rear end 21A rotates between the substantially horizontal position and the substantially upright position, the rear end 21A is positioned below the substantially horizontal position. Even if the rear end portion 21A is positioned below the substantially horizontal position, the water supply panel portion 8 is provided with the rear end portion 21A so that the rear end portion 21A does not contact the water supply panel portion 8 or the like facing the rear end portion 21A. It is necessary to have a rotatable space that can rotate freely.

  That is, the water supply panel portion 8 includes the panel bending portion 11 formed in a concave shape so as not to overlap the rotatable space of the rear end portion 21A. The panel bending portion 11 is forwardly lowered from the rear side to the front side, and has a radius of curvature that is separated by a predetermined distance from the trajectory where the rear end portion 21A rotates, and is curved in a concave arc shape in sectional view. . The cover bending portion 39 of the water supply cover portion 30 located below the panel bending portion 11 of the water supply panel portion 8 is also curved similarly to the curved shape of the panel bending portion 11. In other words, the cover bending portion 39 is front-down from the rear side to the front side, has a radius of curvature that is separated from the curved surface of the panel bending portion 11 by a predetermined distance, and is curved in a concave arc shape in cross-sectional view. Yes.

  Thus, each of the panel bending part 11 of the water supply panel part 8 and the cover bending part 39 of the water supply cover part 30 has a concave arc shape in a sectional view. Therefore, when the substantially circular lid 2 is opened and closed, the rotation of the rear end portion 21A is performed smoothly without contacting the panel bending portion 11 of the water supply panel portion 8 and the cover bending portion 39 of the water supply cover portion 30. Is called.

(Third embodiment)
Next, the arrangement and configuration of the lid sensor 90 that detects the opening and closing of the lid 2 will be described with reference to FIGS. 30 to 33 in relation to the opening and closing of the lid 2. 30 to 33 show a state in which the rear panel 7 is removed from the outer case 1A in order to make the configuration of the lid sensor 90 and its peripheral portion easy to understand.

  A protective wall 95 is erected on the rear side of the outer box opening 12 so as to surround the outer box opening 12. A receding protective wall 96 set back to the rear side of the protective wall 95 is connected to the protective wall 95 at a location near the center of the protective wall 95. The receding protection wall 96 is bent in a substantially L shape in plan view, and includes a front protection portion 96A extending in the front-rear direction and a rear protection portion 96B extending in the left-right direction from the rear end portion of the front protection portion 96A. I have.

  The rear protection unit 96B is separated from the protective wall 95 to the rear side by a distance that is more than the safe distance that the finger or the like that has entered the gap between the lid 2 and the water supply panel unit 8 does not reach the lid sensor 90 and the detection lever 91. ing. The rear protection part 96B has a notch 98 extending substantially vertically from above to below. The width of the notch 98 is sized so that a finger or the like does not enter the notch 98. The rear surface side of the rear protection part 96B is supported by the reinforcing rib 97.

  As shown in FIGS. 32 and 33, the hinge front end portion 25 </ b> B is formed on the front end side of the hinge portion 25 provided in the rear portion 2 </ b> C of the lid 2. The hinge tip portion 25B is an arm that extends linearly in the front-rear direction. The width of the hinge tip 25B is smaller than the width of the notch 98 so that the hinge tip 25B can be inserted into the notch 98. The length of the hinge tip 25B is configured such that when the hinge 25 is rotated by opening and closing the lid 2, the hinge tip 25B can be projected and retracted rearward with respect to the notch 98 of the receding protection wall 96. Yes.

  That is, as shown in FIGS. 32 and 33, when the lid 2 is closed and the hinge tip 25B is in a substantially horizontal position, the hinge tip 25B enters the notch 98 and is further rearward than the rear protector 96B. Protruding state. Further, as shown in FIGS. 30 and 31, when the lid 2 is opened and the hinge tip 25B is substantially in the suspended position, the hinge tip 25B does not enter the notch 98 and is located in front of the rear protection part 96B. Retracted. Thus, when the lid 2 is closed, the hinge tip portion 25B protrudes rearward from the rear protection portion 96B and extends in a substantially horizontal direction, whereas when the lid 2 is opened, the hinge tip portion 25B is rearward. It is retracted by being positioned in front of the protection part 96B.

  The lid sensor 90 is a sensor that detects the open / closed state of the lid 2. The lid sensor 90 is, for example, a micro switch having a detection lever 91. The detection lever 91 has a lever tip portion 91B bent in an L shape at the tip, and is supported so as to be rotatable about a rotation shaft (not shown). The lid sensor 90 outputs an ON signal indicating the closed state of the lid 2 when the lever tip 91B is in a substantially horizontal upper position, and opens the lid 2 when the lever tip 91B is obliquely downward. An OFF signal indicating the state is output.

  The lid sensor 90 is disposed on the rear side in the vicinity of the outer box opening 12 and on the main body side of the washing machine 1 below the rear panel 7. Further, the lid sensor 90 is located on the left side of the notch 98 and is separated from the protective wall 95 at the rear side at least by the safe distance. Therefore, even if the user mistakenly inserts a finger or the like into the gap between the lid 2 and the water supply panel unit 8, the finger or the like does not reach the lid sensor 90 and the detection lever 91 directly, and is physically contacted. There is nothing.

  As shown in FIGS. 32 and 33, when the lid 2 is closed, the hinge tip portion 25B rotates and engages with the lever tip portion 91B, lifts the lever tip portion 91B, and makes the lever tip portion 91B substantially horizontal. Set to the upper position. At this time, the lid sensor 90 outputs an ON signal indicating the closed state of the lid 2. As shown in FIGS. 30 and 31, when the lid 2 is opened, the hinge tip portion 25B rotates so as not to be engaged with the lever tip portion 91B, and the lever tip portion 91B is attached with its own weight or with a built-in spring. Due to the power, it is in a downward position diagonally downward. At this time, the lid sensor 90 outputs an OFF signal indicating the open state of the lid 2. For example, when the user opens the lid 2 during dehydration, the lid sensor 90 detects this, and the control unit stops the rotation of the motor and interrupts the dehydration operation in order to prevent danger.

  According to the above configuration, even if the user accidentally inserts a finger or the like into the gap between the lid 2 and the water supply panel unit 8, the finger or the like may physically come into contact with the lid sensor 90 and the detection lever 91. Therefore, safety related to the lid sensor 90 can be enhanced.

  30 to 33 illustrate the case where a switch is used as the lid sensor 90, an optical sensor may be used as the lid sensor 90. That is, the optical sensor having the light emitting part and the light receiving part can be arranged on the rear side of the rear protection part 96B, and the hinge tip part 25B can be arranged between the light emitting part and the light receiving part.

  For example, when the lid 2 is closed, the light emitted from the light emitting portion of the photosensor is shielded by the hinge tip 25B, so that the photosensor outputs an ON signal indicating the closed state of the lid 2. When the lid 2 is opened, the light from the light emitting portion enters the light receiving portion without being blocked by the hinge tip 25B, so that the optical sensor outputs an OFF signal indicating the open state of the lid 2. Therefore, even when an optical sensor is used as the lid sensor 90, the lid sensor 90 can output an OFF signal and an ON signal according to the open / closed state of the lid 2, as in the case where a switch is used as the lid sensor 90. it can.

(Fourth embodiment)
The structure of the hinge part 25 and the hinge receiving part 26 is demonstrated referring FIG.34 and FIG.35. FIG. 34 shows the rear portion 2C of the lid 2 and its periphery in the state where the lid 2 is opened, and FIG. 35 is a sectional view of the main part of FIG.

  As shown in FIG. 34, the left and right hinge portions 25, 25 provided on the rear portion 2C of the lid 2 are rotatable by the left and right hinge receiving portions 26, 26 provided on the upper surface portion of the water supply panel portion 8, respectively. It is supported.

  Referring to FIG. 35, a left and right hinge structure including left and right hinge portions 25 and 25 and left and right hinge receiving portions 26 and 26 will be described.

  Left and right damper insertion portions 27 and 27 are respectively recessed in locations near the center of the left and right hinge portions 25 and 25. The left and right dampers 29, 29 are detachably inserted through the left and right damper insertion portions 27, 27. The left and right damper insertion portions 27 are closed by a rectangular plate-like damper lid 28. Each of the left and right damper insertion portions 27, 27 is an insertion hole extending in the left-right direction to the left and right hinge insertion holes 25A, 25A of the left and right hinge portions 25, 25. The left and right hinge receiving portions 26, 26 are formed with left and right engagement holes 26A, 26A, and the hinge insertion holes 25A, 25A communicate with the left and right engagement holes 26A, 26A, respectively.

  Each of the left and right dampers 29 and 29 is, for example, a rotary damper having main body cases 29A and 29A and shaft portions 29B and 29B. The left and right dampers 29 and 29 are, for example, rotary dampers that brake the rotation of the shaft portions 29B and 29B with a braking force generated by the viscous resistance of oil sealed in the main body cases 29A and 29A.

  The left and right shaft portions 29B and 29B have shaft engagement notches formed by partially notching the front end side. Shaft engaging protrusions for engaging the shaft engaging notches of the shaft portions 29B and 29B are formed in the engaging holes 26A and 26A of the left and right hinge receiving portions 26 and 26, respectively. The shaft engagement notches of the shaft portions 29B and 29B are configured to engage with the shaft engagement protrusions of the engagement holes 26A and 26A.

  Locking portions 29C and 29C are provided on the base end side of the main body case 29A, respectively. Each of the locking portions 29C and 29C is a main body engagement notch formed by partially notching. Engagement ends 28 </ b> A and 28 </ b> A for engaging with the locking portions 29 </ b> C and 29 </ b> C are provided on the tip ends of the damper lids 28 and 28, respectively. Each of the left and right dampers 29, 29 with respect to the left and right damper insertion portions 27, 27 so that the shaft engagement notches of the shaft portions 29B, 29B engage with the shaft engagement protrusions of the engagement holes 26A, 26A. Is installed. At the same time, the damper lid 28 is attached to the damper insertion portion 27 so that the locking portion 29C of the damper 29 engages with the engagement end 28A of the damper lid 28. Then, the left and right damper lids 28 and 28 are fixed to the rear portion 2C of the lid 2 with screws, so that the left and right dampers 29 and 29 are attached to the lid 2.

  In the above configuration, the shaft portions 29B and 29B of the left and right dampers 29 and 29 are engaged with the left and right hinge receiving portions 26 and 26, and the body cases 29A and 29A of the left and right dampers 29 and 29 are connected to the left and right damper lids. The engagement ends 28A and 28A of the 28 and 28 are engaged. The left and right damper lids 28 and 28 have a function of locking the left and right dampers 29 and 29 and covering the left and right dampers 29 and 29. When the lid 2 is closed, the lid 2 rotates about the left and right shaft portions 29B, 29B, but the braking force of the left and right dampers 29, 29 acts, so that the lid 2 can be closed slowly. When the window 23 is made of a material having a weight such as glass and inferior impact resistance, it is preferable that the hinge portion 25 and the hinge receiving portion 26 have a braking structure using the left and right dampers 29 and 29.

  As shown in FIG. 35, the left hinge receiving portion 26 has a rotation convex portion 26B, and the left hinge portion 25 has a rotation support hole 25C. That is, in the hinge part 25 and the hinge receiving part 26 on the left side, a shaft support structure is formed by the rotation convex part 26B and the rotation support hole 25C. Even when the shaft portion 29B of the left damper 29 is not mounted in the engagement hole 26A of the left hinge receiving portion 26, the rotating convex portion 26B functions as the left shaft. Accordingly, since the left hinge receiving portion 26 and the hinge receiving portion 26 are provided with a shaft support structure that is not related to the left damper 29, the lid 2 can be assembled and the left and right dampers 29, 29 can be easily mounted. . The right hinge portion 25 and the hinge receiving portion 26 do not have such a shaft support structure, and the shaft portion 29B of the right damper 29 functions as the right shaft.

(Fifth embodiment)
The folding rotation structure of the front lid portion 2B in the lid 2 will be described with reference to FIGS. 36 to 39 show a state where the front lid portion 2B of the lid 2 changes from the folded support state to the final closed state. 40 is a perspective view showing a click mechanism 87 of the shaft support 24, and FIG. 41 is a perspective view showing a retaining portion 89 of the shaft support 24. As shown in FIG.

  As shown in FIGS. 36 to 39, the lid 2 covering the outer box opening 12 includes a lid body 2A provided on the rear side of the lid 2 and a front lid portion 2B provided on the front side of the lid 2. . That is, as shown in FIG. 39, when the lid 2 is closed and the lid 2 is in a position extending in a substantially horizontal direction, a crescent-shaped front is formed by a dividing line extending in the left-right direction dividing the circular lid 2 in the front-rear direction. The lid 2B is divided into a lid main body 2A that is a remaining portion after the crescent-shaped front lid 2B is cut out. The lid body 2A has a string on the front side and an arc on the rear side. A window 23 is formed inside the frame body 21 of the lid main body 2 </ b> A, and a transparent material such as glass or resin is used for the window 23. The front lid portion 2B has an arc on the front side and a string on the rear side. A grip portion 22 is provided on the front lid portion 2B. As shown in FIG. 39, when the lid 2 is in the final closed state, the upper surface of the lid main body 2A and the upper surface of the front lid portion 2B form a flush state in which the upper surface extends substantially continuously. The lid 2 is formed.

  As described above, the lid 2 has a circular shape, and the size of the lid 2 is increased. Therefore, when the lid 2 is opened, the position of the front end of the lid 2 becomes high, and depending on the height of the user, there is a possibility that the opening / closing operation of the lid 2 is difficult. Therefore, as shown in FIG. 36, the lid main body 2A and the front lid portion 2B have their own weights such that the lower surfaces of the lid main body 2A and the front lid portion 2B face each other by the plurality of shaft support portions 24. It is connected so that it can be rotated and folded. The structure of the shaft support 24 will be described in detail later.

  The inclined side surface 22A formed on the side peripheral surface of the front lid portion 2B is inclined with a downward gradient from the inner side toward the outer end portion. The inclined side surface 22A is chamfered by, for example, a C surface. Conversely, the opening peripheral wall portion of the upper panel 5 on the outer periphery of the outer box opening 12 is inclined with an upward slope from the opening inner edge 13 toward the outer edge. Therefore, when the lid 2 is closed and the lid 2 closes the outer box opening 12, the inclined side surface 22 </ b> A engages with the opening peripheral wall portion of the upper panel 5. The outer box opening 12 is defined by the opening inner edge 13 of the upper panel 5.

  The shaft support portion 24 is configured so that the front lid portion 2B can freely rotate by its own weight. Therefore, when the lid 2 is tilted forward even a little, the front lid portion 2B rotates ahead of the lid main body 2A and faces the vertical direction, and the lid 2 is folded. And the lid | cover 2 is closed to the folding support state of the front lid part 2B shown in FIG. 36, maintaining the folded state in which the front lid part 2B faced the perpendicular direction. In the folded support state shown in FIG. 36, most of the lid body 2 </ b> A is in a closed state, but the folded front lid portion 2 </ b> B is in contact with and supported by the opening inner edge 13 of the outer box opening portion 12. . In the folded support state, the front lid portion 2B functions as a spacer, and a front lid gap is formed between the opening peripheral wall portion of the upper panel 5 and the front lid portion 2B.

  In FIG. 36, the folded front lid 2 </ b> B is supported at two locations with respect to the opening inner edge 13 of the outer box opening 12. That is, the inclined side surface 22 </ b> A of the front lid portion 2 </ b> B is in contact with and supported by the left and right opening inner edges 13 of the outer box opening 12. Therefore, the left and right sliding contact support portions 15 and 15 are formed between the inclined side surface 22A of the front lid portion 2B and the opening inner edge 13 of the outer box opening portion 12. The front lid portion 2B is supported by the left and right sliding contact support portions 15 and 15, and a front lid gap is formed between the front lid portion 2B and the outer box opening portion 12. Therefore, even if the lid 2 suddenly falls to the front side unintentionally, the front lid portion 2B is rotated and folded first by its own weight, and the front lid portion 2B that is folded forms a front lid gap. It is difficult for a finger to be pinched by the lid 2B.

  The folding support state of the front lid portion 2B shown in FIG. 36 is not the state in which the lid 2 is completely closed, so the lid sensor 90 described above outputs an OFF signal indicating the open state of the lid 2. Therefore, it is necessary to correct the front lid portion 2B in the folded support state to the final closed state shown in FIG.

  When the grip portion 22 is gripped by the user and the front lid portion 2B is slightly lifted, the inclined side surface 22A is slidably contacted and supported with respect to the opening inner edge 13 of the outer box opening portion 12, as shown in FIG. The front lid 2B rotates around the shaft support 24. At this time, the inclined side surface 22 </ b> A serves as a slide surface for the front lid portion 2 </ b> B to slide along the opening inner edge 13 of the outer box opening 12. Therefore, the user can easily close the lid 2 by sliding the front lid portion 2B along the opening inner edge 13 only by pulling up the front lid portion 2B with a slight force.

  As shown in FIGS. 36 to 39, when the front lid 2B changes from the folded support state to the final closed state, the left and right sliding contact support portions 15 and 15 move from the left and right outer positions to the position closer to the center. At the same time, it moves from the rear side to the front side. When the front lid 2B closes the outer box opening 12, the inclined side surface 22A of the front lid 2B engages with the opening peripheral wall of the upper panel 5, and the front lid 2B is finally closed. When the front lid 2B is finally closed, the entire lid 2 is also closed, and thus the lid sensor 90 described above outputs an ON signal indicating the closed state of the lid 2.

(Sixth embodiment)
Next, the structure of the shaft support 24 will be described with reference to FIGS. 40 and 41.

  As shown in FIG. 40, a bearing rib 85 having a bearing hole 85A is formed on the rear side of the lower surface of the front lid portion 2B. A support shaft rib 86 having a support shaft 86A is formed on the front side of the lower surface of the lid body 2A. The support shaft 86A of the lid body 2A is provided at a position corresponding to the bearing hole 85A of the front lid portion 2B, and the support shaft 86A is rotatably supported by the bearing hole 85A. Therefore, the shaft support portion 24 is configured by the support shaft 86 </ b> A of the support shaft rib 86 and the bearing hole 85 </ b> A of the bearing rib 85. Note that a plurality of such shaft support portions 24 are provided in the lid 2, for example, four as shown in FIG. 2.

  In the configuration in which the front lid part 2B rotates freely with its own weight, when the lid 2 is tilted slightly forward to close the lid 2, the front lid part 2B holds the folded state facing the vertical direction. 36, the folded support state as shown in FIG. Therefore, it is necessary to manually correct the front lid portion 2B in the folded support state to the final closed state. However, manual correction of the front lid 2B may cause the user to feel bothered.

  Therefore, as shown in FIG. 40, the shaft support portion 24 is in a locked state in which free rotation is temporarily restricted by temporary locking during the rotation of the front lid portion 2B, and holds the locked state. A click mechanism 87 can be provided. Specifically, the click mechanism 87 includes a projection 85B formed on the bearing rib 85 of the front lid portion 2B and a projection engagement portion 88A of the projection engagement rib 88. The projection engagement portion 88A is a projection. Hang on 85B to engage. The protrusion 85B is provided as a convex portion that rises like a mountain and has a top portion, a front hem portion, and a rear hem portion on the semicircular arc tip peripheral surface portion of the bearing rib 85 in a cross-sectional view. The protrusion engaging portion 88A extends in an L shape from the protrusion engaging rib 88 toward the protrusion 85B.

  The front lid 2B can rotate at an angle of about 180 degrees between the flush angle and the close folding angle with respect to the lid body 2A. At the same angle, the upper surface of the lid main body 2A and the upper surface of the front lid portion 2B form a substantially flush state, and at the close contact folding angle, the lower surfaces of the lid main body 2A and the front lid portion 2B are in close contact with each other. To form a completely folded state.

  The protrusion 85B is disposed at an engagement angle at which the front lid portion 2B is slightly rotated to the folding side and the protrusion engaging portion 88A is engaged with the top of the protrusion 85B rather than the same angle. At the front engagement angle before the protrusion engaging portion 88A engages with the top of the protrusion 85B, the protrusion engaging portion 88A comes into contact with the front hem portion of the protrusion 85B, and the front lid portion 2B is temporarily rotated during the rotation. The free rotation is temporarily restricted by proper locking. In the first half free rotation range from the flush angle to the front engagement angle, the front lid 2B can freely rotate by its own weight.

  Further, at the rear engagement angle after the protrusion engaging portion 88A is engaged with the top portion of the protrusion 85B, the protrusion engaging portion 88A is brought into contact with and engaged with the rear skirt portion of the protrusion 85B. In the second half free rotation range from the rear engagement angle to the close contact folding angle, the front lid portion 2B can freely rotate by its own weight.

  In the angle range from the front engagement angle to the engagement angle, a click force is generated when the protrusion engaging portion 88A gets over the top of the protrusion 85B. The click force is configured to be greater than the rotational force generated when the front lid portion 2B rotates with its own weight. At the front engagement angle, unless the user intentionally applies a force larger than the click force, the protrusion engaging portion 88A does not get over the top of the protrusion 85B, and the locking state of the front lid portion 2B is Retained.

  When the user applies a force larger than the click force, the projection engaging portion 88A gets over the top of the projection 85B, so that the front lid portion 2B enters the second half free rotation range and is in a folded state facing the vertical direction. Become. In the first half free rotation range and the second half free rotation range, the protrusion engaging portion 88A is in contact with the semicircular arc tip peripheral surface portion of the bearing rib 85, but a large engagement force such as a click force does not work, and the front lid portion 2B can rotate freely.

  For example, the click mechanism 87 can be configured so that the engagement angle is located at a position rotated approximately 60 degrees with respect to the flush angle. In this case, the front lid portion 2B can freely rotate in the first half free rotation range smaller than about 60 degrees, and the free rotation is temporarily restricted at about 60 degrees to be in a locked state. At this time, unless the user applies a force larger than the click force to the front lid portion 2B, the locked state is maintained. When the lid 2 is tilted to the front side with a light force, the lid 2 is lowered while falling to the front side while the front lid portion 2B is kept in the locked state.

  When the lid 2 is lowered, the front lid portion 2B contacts the opening inner edge 13 in the state shown in FIG. By the contact, the locked front lid portion 2B rotates from the front engagement angle toward a flush angle. The front lid portion 2B is finally closed while sequentially taking the states shown in FIGS. In this manner, the lid 2 can be automatically closed without manually correcting the front lid portion 2B. Therefore, the manual correction operation of the front lid portion 2B becomes unnecessary, and the user is not bothered.

  When the user applies a force larger than the click force to the locked front lid portion 2B, the projection engaging portion 88A gets over the top of the projection 85B, and the front lid portion 2B is in the second half free rotation range. The front lid portion 2B rotates by its own weight so as to face the vertical direction. Then, when the lid 2 is slightly lowered to the front side and the lid 2 is lowered, the front lid portion 2B is in a folded support state as shown in FIG. As described above, the front lid portion 2B in the folded support state is manually corrected so as to be in the final closed state.

  Further, the shaft support portion 24 can include a kickback mechanism (not shown) in which a spring biases the front lid portion 2B so that the upper surface of the lid main body 2A and the upper surface of the front lid portion 2B are flush with each other. . According to the kickback mechanism, the front lid 2B is automatically closed to the final closed state while the front lid 2B is kept flush with the lid body 2A.

  Furthermore, as shown in FIG. 41, a retaining portion 89 provided on the lid body 2A is disposed on the opposite side of the support shaft rib 86 with the bearing rib 85 interposed therebetween. The retaining portion 89 has an inclined guide surface 89A that is inclined upwardly toward the support shaft rib 86, and is supported so as to be elastically deformable with respect to the lid body 2A. The inclined guide surface 89A of the retaining portion 89 serves as a guide surface when the bearing rib 85 slides along the inclined guide surface 89A when the support shaft 86A is mounted in the bearing hole 85A. At that time, the support shaft 86A is mounted in the bearing hole 85A while the retaining portion 89 is elastically pushed down. After the support shaft 86A is mounted in the bearing hole 85A, the retaining portion 89 prevents the retaining portion 89 from returning to its original position by its own elastic force and preventing the bearing rib 85 from coming off the support shaft rib 86. Work as a retaining.

As described above, the washing machine 1 of the present invention is
A water supply device 9 having a water supply device main body 50 having a case storage portion 60 and a water supply cover portion 30 attached integrally on the case storage portion 60, and a detergent case 70 attached to the case storage portion 60. A washing machine 1 comprising:
The water supply device 9 includes a water supply chamber 44 formed between the water supply cover portion 30 and the case housing portion 60, and the detergent case 70 mounted on the water supply chamber 44 and the case housing portion 60. Water supply holes 61, 62 communicating with the case housing portion 60,
Inside the water supply chamber 44, when a small flow rate of water is supplied, a first water supply chamber 45 into which the small flow rate of water flows, and a large flow of water exceeding the small flow rate into the first water supply chamber 45. When supplied, it is partitioned into a second water supply chamber 46 that fills the first water supply chamber 45 and into which overflowing water flows from the first water supply chamber 45.

  According to the above configuration, the interior of the water supply chamber 44 is partitioned into the first water supply chamber 45 and the second water supply chamber 46, so that the water supply chamber 44 is configured only by the first water supply chamber 45. The proportion of the first water supply chamber 45 in the water supply chamber 44 is small. As a result, even when a small amount of water is supplied to the first water supply chamber 45, the first water supply chamber 45 is easily filled with water, and appropriate water supply to the detergent in the detergent case 70 is facilitated. The remaining of the detergent in the detergent case 70 can be suppressed. In the case where a large amount of water is supplied to the first water supply room 45, the water overflowing from the first water supply room 45 after filling the first water supply room 45 is supplied to the second water supply room 46, and detergent. This is used for dissolving the detergent in the case 70.

  The second water supply chamber 46 is preferably surrounded by the first water supply chamber 45 in plan view.

  According to the said structure, since the water after filling the 1st water supply room 45 flows in into the 2nd water supply room 46 from all directions, the water supply to the 2nd water supply room 46 is excellent.

  The second water supply chamber 46 is formed by a rectangular-shaped upper rib 56 extending upward from the upper surface of the case housing portion 60 and a U-shaped lower rib 36 extending downward from the lower surface of the water supply cover portion 30; It is preferable that the upper rib 56 and the lower rib 36 overlap with each other in the vertical direction, and that the upper rib 56 is spaced laterally with respect to the lower rib 36.

  According to the above configuration, when a large amount of water is supplied to the first water supply chamber 45, the first water supply chamber 45 is filled through the lateral gap formed between the lower rib 36 and the upper rib 56. The remaining water is also supplied to the second water supply chamber 46.

  The case housing portion 60 has a first vent hole 64 communicating with the water supply chamber 44 and the detergent case 70 attached to the case housing portion 60 on the downstream side of the portion corresponding to the first water supply chamber 45. In addition, it is preferable that a portion corresponding to the second water supply chamber 46 has a second ventilation hole 65 that communicates the water supply chamber 44 and the detergent case 70 attached to the case housing portion 60.

  According to the above configuration, the first ventilation hole 64 functions as a ventilation hole that takes in air and discharges the remaining water in the first water supply room 45, and the second ventilation hole 65 takes in air and supplies the second water supply room. It functions as a vent hole for discharging residual water in 46. Therefore, each of the remaining water in the 1st water supply room 45 and the remaining water in the 2nd water supply room 46 can be discharged | emitted smoothly.

The detergent case 70 has a powder detergent chamber 78 and a liquid detergent chamber 79,
It is preferable that the first vent hole 64 is disposed on the liquid detergent accommodating chamber 79 and the second vent hole 65 is disposed on the powder detergent accommodating chamber 78.

  According to the above configuration, the remaining water in the first water supply chamber 45 and the second water supply chamber 46 is discharged through the first vent hole 64 and the second vent hole 65, respectively. As a result, in the rinsing process that requires fresh water, the supply of water containing detergent due to the inflow of residual water into the liquid detergent storage chamber 79 and the powder detergent storage chamber 78 is prevented.

  A bypass passage 45D that connects the water inlet 34 provided in the water supply cover 30 and the first vent hole 64 is disposed in the first water supply chamber 45 so as to be adjacent to the second water supply chamber 46. Preferably it is.

  According to the said structure, it can supply to the 1st water supply room 45 and the 2nd water supply room 46 through the bypass flow path 45D, and smooth water supply can be implement | achieved.

  The bent portion on the downstream side of the introduction flow path 45A in the first water supply chamber 45 is preferably divided into an inner flow path 45C and an outer flow path 45B by the diversion rib 37.

  According to the above configuration, the water flowing through the introduction flow path 45A is divided into the inner flow path 45C and the outer flow path 45B. In the outer flow path 45B, the water flows vigorously, the flow rate is high, and the flow rate is increased. By flowing also into 45C, water supply by the inner flow path 45C and the outer flow path 45B can be realized as uniformly as possible.

  It is preferable that the diversion ribs 37 extend downward from the lower surface of the water supply cover 30.

  Since it is necessary to provide the water supply holes 61 and 62 in the case housing part 60, the structure of the case housing part 60 becomes very complicated when the flow dividing rib 37 is provided in the case housing part 60. According to the above configuration, by providing the diversion ribs 37 in the water supply cover portion 30, it is possible to avoid complication of the structure of the case housing portion 60.

  It is preferable that the inner flow path 45 </ b> C has a dead end by a closed rib 38 formed on the downstream side of the inner flow path 45 </ b> C and corresponding to the liquid detergent storage chamber 79 of the detergent case 70.

  According to the above configuration, the water that has flowed through the inner flow path 45C surely flows down through the water supply holes 61 and 62 provided in the inner flow path 45C, so that water supply from the inner flow path 45C is ensured. be able to.

  It is preferable that the number of the water supply holes 61 and 62 in the outer flow path 45B is larger than the number of the water supply holes 61 and 62 in the inner flow path 45C.

  In the outer flow path 45B, water flows more easily than the inner flow path 45C, the flow velocity is high, and the flow rate is increased. According to the above configuration, by disposing more water supply holes 61 and 62 in the outer flow path 45B than in the inner flow path 45C, the water supply holes 61 and 62 in the outer flow path 45B and the inner flow path 45C are supplied. The water pressure can be made as equal as possible.

  A laterally long water supply hole 66 is formed as the water supply hole of the outer flow path 45 </ b> B, and a long hole rib 66 </ b> A extending upward from the upper surface of the case housing portion 60 is formed around the water supply long hole 66. It is preferable.

  According to the above configuration, it is possible to prevent residual water after the end of water supply from flowing into the liquid detergent storage chamber 79 through the water supply elongated hole 66 due to a large vibration generated during dehydration or the like.

  It is preferable that the water supply elongated hole 66 is disposed on the upstream side of the detergent case 70 in the liquid detergent storage chamber 79.

  According to the above configuration, it is possible to accelerate the dissolution of the liquid detergent by hitting the liquid detergent with water on the upstream side,

  It is preferable that the rectifying rib 69 is formed on the downstream side of the water supply long hole 66 and extends downward from the lower surface of the case housing portion 60.

  According to the above configuration, the water that has flowed in through the water supply elongated hole 66 flows down directly, and the positioning of the water supply point in the liquid detergent storage chamber 79 is ensured, and the water is strongly struck against the liquid detergent. Dissolution can be promoted.

  The water supply cover portion 30 and the water supply panel portion 8 covering the water supply cover portion 30 are viewed in cross section so as not to prevent the rotation of the rear end 21A of the lid 2 when the substantially circular lid 2 is opened and closed. It is preferable to have a concave arc shape.

  When opening and closing the substantially circular lid 2, the rear end 21 </ b> A of the lid 2 rotates. According to the above configuration, the rotation of the rear end 21 </ b> A contacts the water supply panel unit 8 and the water supply cover unit 30. It is done smoothly.

  The lid 2 covering the outer box opening 12 includes a lid main body 2A provided on the rear side of the lid 2 and a front lid portion 2B provided on the front side of the lid 2, and the lid main body 2A and the front lid portion 2B is connected by a plurality of shaft support portions 24 so that the lower surfaces of the lid main body 2A and the front lid portion 2B face each other so as to be rotated and folded by the weight of the front lid portion 2B.

  According to the above configuration, even if the lid 2 suddenly falls to the front side unintentionally, the front lid portion 2B is rotated and folded first by its own weight, and a front lid gap is formed by the folded front lid portion 2B. Therefore, it is difficult for a finger to be pinched by the front lid 2B.

  The inclined side surface 22A formed on the side peripheral surface of the front lid portion 2B is inclined with a downward slope from the inner side toward the outer end portion, and the opening peripheral wall portion of the upper panel 5 on the outer periphery of the outer box opening portion 12 is The inclined side surface 22 </ b> A is configured to incline with an upward gradient from the opening inner edge 13 toward the outer edge so that the inclined side surface 22 </ b> A engages with the opening peripheral wall portion of the upper panel 5.

  According to the above configuration, the inclined side surface 22A serves as a sliding surface for the front lid portion 2B to slide along the opening inner edge 13 of the outer box opening portion 12, so that the user can use the front lid portion 2B with a slight force. The lid 2 can be easily closed by sliding the front lid portion 2B along the inner edge 13 of the opening.

  A hinge portion 25 provided on the rear portion 2C of the lid 2 is rotatably supported by a hinge receiving portion 26 provided on the upper surface portion of the water supply panel portion 8, and a damper 29 is attached to the hinge portion 25. ing.

  According to the above configuration, when the lid 2 is closed and the lid 2 rotates, the braking force of the damper 29 works, so that the lid 2 can be closed slowly. In particular, when the window 23 is made of a material having a weight such as glass and inferior impact resistance, it is preferable to have a braking structure that slowly closes the lid 2.

  In the one hinge portion 25 and the hinge receiving portion 26, a pivot support structure is formed by the rotation convex portion 26B and the rotation support hole 25C, and in the other hinge portion 25 and the hinge receiving portion 26, the other damper is provided. The 29 shaft portions 29B are configured to function as the other shaft.

  According to the said structure, the assembly | attachment of the lid | cover 2 and mounting | wearing of the damper 29 become easy.

  The shaft support 24 includes a click mechanism 87 that holds a locking state in which free rotation is temporarily restricted by temporary locking during the rotation of the front lid 2B, or the upper surface of the lid main body 2A and the A kickback mechanism that biases the front lid portion 2B with a spring is provided so that the upper surface of the front lid portion 2B is flush.

  According to the above configuration, the front lid portion 2B is automatically closed to the final closed state, so that manual correction operation of the front lid portion 2B becomes unnecessary, and the user is not bothered.

  Although the embodiment of the present invention has been specifically described, the present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the present invention.

  In order to explain the present invention, a vertical washing machine in which the washing tub 3 is arranged in the vertical direction of the washing machine 1 is illustrated, but the present invention is not limited to the washing machine 1. The present invention can also be applied to a horizontal drum type washing machine in which the washing tub 3 is arranged in the horizontal direction, or an oblique drum type washing machine in which the washing tub 3 is arranged to be inclined with respect to the horizontal direction. Further, the present invention is not limited to the fully automatic washing machine 1 and can be applied to a two-tank washing machine in which a washing tub and a dewatering tub are separately provided. Furthermore, these washing machines 1 may have a drying function or may not have a drying function. The drying function is provided by, for example, warm air generated by at least one of the sheathed heater and the heat pump.

  In the above embodiment, tap water with high cleanliness is used as the water supplied to the water supply device 9, but the bath water is supplied by connecting a bath water pump to the water supply connection port 40 via a hose. 9 can also be supplied.

DESCRIPTION OF SYMBOLS 1 Washing machine 1A Outer box 2 Lid 2A Lid main body 2B Front lid part 2C Rear part 3 Washing tub 4 Water tank 5 Upper panel 7 Rear panel 8 Water supply panel part 9 Water supply apparatus (water supply port)
DESCRIPTION OF SYMBOLS 11 Panel bending part 12 Outer box opening part 13 Opening inner edge 15 Sliding contact support part 21 Frame 21A Back end part 22 Grasping part 22A Inclined side surface 23 Window 24 Shaft support part 25 Hinge part 26 Hinge receiving part 27 Damper insertion part 28 Damper cover 29 Damper 30 Water supply cover 31 Side wall 32 Welding rib 33 Welding rib 34 Detergent water inlet (water inlet)
35 Water inlet for softener (water inlet)
36 Lower rib 37 Dividing rib 37A Protruding end portion 38 Closing rib 39 Cover curved portion 40 Water supply connection port 41 Water supply valve for detergent 42 Water supply valve for softener 43 Stopper portion 44 Water supply chamber for detergent (water supply chamber)
45 1st water supply room 45A Introduction flow path 45B Outer flow path 45C Inner flow path 45D Bypass flow path 46 2nd water supply room 47 Softener water supply room (water supply room)
47A Softener channel 49 Outflow channel 50 Water supply device main body 51 Water supply plate portion 52 Welding rib 53 Welding rib 54 Welding portion 55 Mounting opening 56 Upper rib 60 Case housing portion 61 Water supply hole for powder detergent (water supply hole)
62 Water supply hole for liquid detergent (water supply hole)
62A Water supply rib 63 Softener water supply hole (water supply hole)
63A Water supply hole rib 63C Softener drainage hole 64 First air hole 65 Second air hole 66 Water supply long hole (water supply hole)
66A Long hole rib 67 Bottom 68 Outlet 69 Rectification rib 70 Detergent case 71 Right side wall 72 Right partition wall 73 Left partition wall 74 Left side wall 75 Front wall 76 Rear wall 77 Bottom wall 78 Powder detergent storage chamber 78A Powder detergent outlet 79 Liquid Detergent storage chamber 80 Softener storage chamber 81 Siphon portion 82 Siphon portion 83 Drain pipe 84 Drain recess 85 Bearing rib 86 Support shaft rib 87 Click mechanism 88 Projection engagement rib 89 Retaining portion 90 Cover sensor 91 Detection lever 91B Lever tip 95 Protective wall 96 Retreating protective wall 97 Reinforcing rib 98 Notch

Claims (14)

A washing machine comprising a water supply apparatus main body having a case storage section and a water supply cover section integrally attached on the case storage section, and a detergent case attached to the case storage section,
The water supply device has a water supply chamber formed between the water supply cover portion and the case housing portion, and has a water supply hole that communicates the water supply chamber and the detergent case attached to the case storage portion. In the case housing,
In the water supply chamber, when a small flow rate of water is supplied, a first water supply chamber into which the small flow rate of water flows and a large flow of water exceeding the small flow rate are supplied to the first water supply chamber. In some cases, the washing machine is partitioned into a second water supply room that fills the first water supply room and into which overflowing water flows from the first water supply room. The washing machine according to claim 1,
The washing machine, wherein the second water supply room is surrounded by the first water supply room in a plan view. In the washing machine according to claim 1 or 2,
The second water supply chamber is formed by a rectangular upper rib extending upward from the upper surface of the case housing portion and a U-shaped lower rib extending downward from the lower surface of the water supply cover portion, and the upper rib and the A washing machine, wherein a lower rib overlaps in a vertical direction, and the upper rib is laterally separated from the lower rib. The washing machine according to any one of claims 1 to 3,
The case housing portion has a first vent hole communicating with the water supply chamber and the detergent case attached to the case housing portion on a downstream side of a portion corresponding to the first water supply chamber, A washing machine comprising: a second vent hole communicating with the detergent case mounted in the case housing portion in a portion corresponding to the second water supply room. The washing machine according to claim 4,
The detergent case has a powder detergent container and a liquid detergent container,
The washing machine according to claim 1, wherein the first ventilation hole is disposed on the liquid detergent storage chamber, and the second ventilation hole is disposed on the powder detergent storage chamber. In the washing machine according to claim 4 or 5,
A bypass flow path connecting the water inlet provided in the water supply cover portion and the first vent hole is disposed in the first water supply chamber so as to be adjacent to the second water supply chamber. Washing machine. The washing machine according to claim 1,
The washing machine, wherein a bent portion on the downstream side of the introduction channel in the first water supply chamber is divided into an inner channel and an outer channel by a diverting rib. The washing machine according to claim 7,
The washing machine according to claim 1, wherein the diversion rib extends downward from a lower surface of the water supply cover portion. The washing machine according to claim 7,
The washing machine according to claim 1, wherein the inner flow path is closed by a closed rib formed on a downstream side of the inner flow path and corresponding to the liquid detergent storage chamber of the detergent case. The washing machine according to any one of claims 7 to 9,
The number of water supply holes in the outer flow path is greater than the number of water supply holes in the inner flow path. The washing machine according to claim 7,
As the water supply hole of the outer flow path, a horizontally long water supply long hole is formed, and a long hole rib extending upward from the upper surface of the case housing portion is formed around the water supply long hole. And a washing machine. The washing machine according to claim 11,
The washing machine according to claim 1, wherein the water supply slot is arranged upstream of the detergent case in the liquid detergent storage chamber. The washing machine according to claim 11 or 12,
A washing machine, wherein a flow regulating rib is formed on a downstream side of the water supply elongated hole and extends downward from a lower surface of the case housing portion. The washing machine according to any one of claims 1 to 13,
The water supply cover portion and the water supply panel portion covering the water supply cover portion have a concave arc shape in a cross-sectional view so that rotation of the rear end portion of the lid is not hindered when the substantially circular lid is opened and closed. A washing machine characterized by

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