JP2017158908A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To restrain residual water remaining in a water supply passage of a water injection lid body from dripping into a liquid finishing agent storage part after an operation.SOLUTION: A water injection lid body 30 forms a water amount control part 35 having a water amount control hole 36 communicating with the outside of a liquid finishing agent storage part 24 at a second water supply passage 31b in which a water injection port 33 for supplying water to the liquid finishing agent storage part 24 is formed, and the water amount control part 35 is arranged between a water supply valve 7 and the water injection port 33. The water amount control hole 36 is provided at a position lower than the height of the water injection port 33. The water amount control hole 36 of the water amount control part 35 includes an opening inclined obliquely with respect to a vertical direction, and is formed obliquely backward of a liquid finishing agent input passage 24a from which a liquid including a liquid finishing agent in the liquid finishing agent storage part 24 is discharged into a water tub 3 by the principle of a siphon.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a washing machine for washing, rinsing and dewatering laundry.

  Conventionally, this type of washing machine has been provided with a detergent storage container into which a plurality of detergents and liquid agents are charged, and a configuration in which detergents, finishes, etc. are previously charged in the detergent storage container before the start of operation has been proposed. (For example, refer to Patent Document 1).

  FIG. 7 is a longitudinal sectional view of a conventional washing machine, FIG. 8 is a perspective view for explaining a schematic structure of a detergent charging part of the conventional washing machine, and FIG. 9 is a plan view for explaining the structure of a water supply part. Sectional drawing and FIG. 10 are side surface sectional drawings for demonstrating schematic structure of a detergent storage container and a water supply part.

  7, 8, 9, and 10, the washing / drying machine 101 includes a casing 2 in which a water tank 3 is swingably supported by a suspension structure (not shown) so as to have a bottomed cylindrical shape in the water tank 3. A rotating drum 4 which is a formed washing and dewatering tub is disposed with its axial direction inclined downward from the front side toward the back side. The rotating drum 4 is rotationally driven in the forward and reverse directions around a rotating shaft that is inclined forward and upward by a motor 6 attached to the back side of the water tank 3.

  A detergent charging unit 120 is disposed on the top of the housing 2. The detergent charging unit 120 includes a detergent container 121 for storing detergent, a water supply channel 131 connected to the water supply valve 7 for supplying water to the detergent container 121, and a detergent charging unit frame formed in a substantially U shape in cross section. And a body 140. The detergent charging unit frame 140 fixes the water injection lid 130 on the upper surface, and stores the detergent storage container 121 in a space 140d formed between the water injection lid 130 so as to be freely drawn out.

  The detergent charging unit frame 140 has a detergent liquid supply path 141 formed at the bottom, and various detergent mixed liquids in which the water supplied from the water injection lid 130 is mixed with the detergent stored in the detergent container 121. Then, the liquid is fed into the water tank 3 via the detergent liquid supply path 141 and the water supply path 26 connected to the detergent liquid supply path 141.

  The detergent container 121 includes a powder detergent container 122 that contains a powdered synthetic detergent, a liquid detergent container 123 that contains a liquid detergent or a liquid bleach, and a liquid finish agent container 124 that contains a liquid finish. It is prepared for.

  The storage unit cover plate 125 covers the liquid detergent storage unit 123 and the liquid finish storage unit 124, and the storage unit cover plate 125 faces the liquid detergent storage unit 123 and the liquid finish storage unit 124. In addition, a liquid detergent receiving port 125a and a liquid finishing agent receiving port 125b are opened, respectively. At the bottom of the liquid detergent container 123 and the liquid finish agent container 124, tubular liquid detergent inlets 123b and liquid finish agent inlets 124b are erected upward. The container cover plate 125 has a pair of cylindrical shapes that respectively cover the liquid detergent inlet 123b and the liquid finishing agent inlet 124b from the outside, and have lower ends reaching the bottom surfaces of the liquid detergent container 123 and the liquid finishing agent container 124. A tubular projecting portion 125c is formed facing downward.

  On the lower surface of the water injection lid 130, a water injection port 134 for injecting water into the liquid detergent charging unit 123 and a water injection port 135 for injecting water into the liquid finishing agent storage unit 124 are formed through the water supply channel 131.

In the detergent charging unit 120 configured as described above, in the washing process, water is injected from the water injection port 134 into the liquid detergent container 123 via the liquid detergent receiving port 125a. The detergent liquid obtained by diluting and diffusing the liquid detergent in the liquid detergent container 123 passes through the gap formed between the tubular projecting portion 125c and the liquid detergent inlet 123b to the liquid detergent inlet 123b by the siphon principle. It is introduced and fed into the water tank 3 via a detergent liquid supply path 141 formed on the downstream side thereof. Further, in the rinsing step, the finishing liquid poured into the liquid finishing agent storage unit 124 from the water injection port 135 through the liquid finishing agent receiving port 125b and diluted with the liquid finishing agent in the liquid finishing agent storage unit 124 is similarly used. The liquid finish agent is introduced into the liquid finish agent inlet 124b via a gap formed between the tubular projecting portion 125c and the liquid finish agent inlet 124b, and passes through the detergent liquid supply path 141 formed on the downstream side thereof. Then, it is fed into the water tank 3.

JP 2008-99919 A

  However, in the conventional configuration, residual water remaining in the water supply channel of the water injection lid after the water injection is finished may flow to the water injection port due to vibration during dehydration, etc. In some cases, residual water in the channel dropped and retained. When a large amount of residual water is dripped and retained in the siphon liquid detergent container and liquid finish container, the user misunderstands that the liquid detergent and liquid finish are not properly put into the tank. In the next use of the washing machine, there is a problem that the liquid detergent and the liquid finish are introduced and at the same time the siphon phenomenon flows.

  The present invention solves the above-mentioned conventional problems, and can appropriately charge liquid detergent and liquid finish without dripping residual water into the liquid detergent container and liquid finish container after completion of water injection. The purpose is to provide a washing machine.

  In order to achieve the above object, a washing machine of the present invention includes a housing, a water tank that is supported in a vibration-proof manner in the housing, and a detergent container that can accommodate a detergent and a liquid agent disposed in the housing. A liquid finishing lid in which a water supply passage for supplying water to the detergent storage container is piped, a water supply valve connected to the water supply path, and a liquid finish provided in the detergent storage container And a liquid finishing agent charging path through which a liquid containing the liquid finishing agent in the liquid finishing agent storage part is discharged into the water tank by the principle of siphon, and the water filling lid contains the liquid finishing agent A water amount control unit having a water amount control hole communicating with the outside of the liquid finish storage unit is formed in a water supply passage in which a water injection port for supplying water to the unit is formed, and the water amount control unit includes the water supply valve, the water injection port, It is arranged between.

  As a result, at the end of water supply to the liquid finishing agent storage portion, the remaining water in the water supply channel of the water injection lid is discharged most outside the liquid finishing agent storage portion from the water amount control hole provided at the lowest position. At this time, since the water supply valve is closed and hermetically sealed, the water supply path of the water injection lid body has a negative pressure, and air flows in from the water injection port to release the negative pressure, toward the water amount control hole of the water amount control unit. Water flows. Therefore, the residual water remaining in the water supply channel of the water injection lid does not flow to the water injection port, and it is possible to suppress the residual water from dripping into the liquid finishing agent storage unit.

  In the washing machine of the present invention, the liquid detergent and the liquid finish can be appropriately charged without dripping the remaining water remaining in the water supply channel into the liquid finish containing the siphon system.

The longitudinal cross-sectional view of the drum type washing machine in embodiment of this invention Side sectional view of the detergent charging unit frame An exploded perspective view of the structure of the detergent charging unit frame part Detailed view of part A of FIG. 3 of the structure of the detergent charging unit frame part An enlarged cross-sectional view of the main part of the water finish control unit for the liquid finishing agent container Main part schematic sectional drawing for demonstrating the flow of the water flow of the liquid finishing agent accommodating part water amount control part Vertical section of a conventional drum-type washing machine The perspective view for demonstrating the schematic structure of the conventional detergent insertion part Plan sectional drawing for demonstrating the structure of the conventional water supply part Side surface sectional drawing for demonstrating schematic structure of the conventional detergent container and water supply part

  According to a first aspect of the present invention, there is provided a housing, a water tank that is supported in a vibration-proof manner in the housing, a detergent container that can store a detergent and a liquid disposed in the housing, and water supply to the detergent container. A water supply lid connected to the water supply channel, a water supply valve connected to the water supply channel, a liquid finish storage unit for supplying a liquid finish provided in the detergent container, and the liquid finish A liquid finishing agent charging path through which liquid containing the liquid finishing agent in the container is discharged into the water tank by the principle of siphon, and the water injection lid is formed with a water injection port for supplying water to the liquid finishing agent container. A water amount control unit having a water amount control hole communicating with the outside of the liquid finish agent storage unit is formed in the water supply channel, and the water amount control unit is disposed between the water supply valve and the water injection port. .

  As a result, at the end of water supply to the liquid finishing agent storage portion, the remaining water in the water supply channel of the water injection lid is discharged most outside the liquid finishing agent storage portion from the water amount control hole provided at the lowest position. At this time, since the water supply valve is closed and sealed, the water supply channel of the water injection lid body has a negative pressure, air flows in from the water injection port to release the negative pressure, and water flows toward the water amount control hole of the water amount control unit. Flowing. Therefore, the remaining water remaining in the water supply channel of the water injection lid body does not flow to the water injection port, and it is possible to prevent the residual water from dripping into the liquid finishing agent container.

  In a second aspect of the invention, in particular, the water amount control unit of the first invention includes a water amount control recess having the water amount control hole formed in a bottom portion, and the water amount control hole is provided at a position lower than a height of the water injection port. The height of the water amount control recess is set to be not less than twice the long side diameter of the water amount control recess.

  As a result, at the end of water supply to the liquid finishing agent storage portion, the remaining water in the water supply channel of the water injection lid is discharged most outside the liquid finishing agent storage portion from the water amount control hole provided at the lowest position. At this time, since the water supply valve is closed and sealed, the water supply channel of the water injection lid body has a negative pressure, air flows in from the water injection port to release the negative pressure, and water flows toward the water amount control hole of the water amount control unit. Flowing. Therefore, the remaining water remaining in the water supply channel of the water injection lid body does not flow to the water injection port, and it is possible to prevent the residual water from dripping into the liquid finishing agent container.

  In the third aspect of the invention, in particular, the water volume control recess of the second aspect of the invention is configured to have a substantially conical shape that narrows toward the tip, thereby discharging residual water from the water volume control hole of the water injection lid. Air intrusion from the tip of the water control hole will be prevented, there will be no release of negative pressure from the water control hole, air inflow from the water inlet will be smooth, and residual water will drip from the water inlet of the water inlet lid Can be prevented.

In the fourth aspect of the invention, in particular, the water amount control hole of the water amount control unit of the first to third aspects of the invention includes an opening inclined obliquely with respect to the vertical direction and includes the liquid finish agent of the liquid finish agent storage unit. The liquid finishing agent that flows through the liquid finishing agent charging path that is discharged into the water tank is formed by forming the liquid obliquely behind the liquid finishing agent charging path that is discharged into the water tank by the principle of siphon. The remaining water remaining in the water supply channel of the water injection lid body is smoothly discharged from the water amount control hole without being obstructed by the liquid, and the residual water can be prevented from dripping from the water injection port of the water injection lid body.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the same structure as a prior art example attaches | subjects the same code | symbol, and abbreviate | omits description. Further, the present invention is not limited by this embodiment.

(Embodiment 1)
FIG. 1 is a longitudinal sectional view of a drum type washing machine in an embodiment of the present invention.

  In FIG. 1, a detergent charging unit frame 40 having a substantially U-shaped box with a bottom and a cross section having an opening on the upper side is disposed at the top of the housing 2, and a water supply channel is disposed above the detergent charging unit frame 40. A water injection lid 30 provided with 31 is disposed.

  A detergent storage container 21 for storing detergent is provided in the detergent charging unit frame 40 so as to be freely drawn out from the front of the housing 2, and the water injection lid 30 is connected to the water supply valve 7 to store the detergent. Water is supplied to the container 21 from above.

  Further, a detergent liquid supply path 41 is integrally formed at the bottom of the detergent charging section frame 40, and a water supply path 26 that communicates with the water tank 3 is connected to the detergent liquid supply path 41.

  2 is a side cross-sectional view of the detergent charging unit frame part in the embodiment of the present invention, FIG. 3 is an exploded perspective view of the structure of the detergent charging unit frame part, and FIG. 4 is an enlarged view of part A in FIG. FIG. 5 is an enlarged cross-sectional view of the main part of the liquid finishing agent storage part water inlet, and FIG. 6 is a main part schematic cross-sectional view for explaining the flow of water in the liquid finishing agent storage part water amount control part.

  The exploded perspective view of FIG. 3 shows an exploded state in which the detergent container 21 is pulled out from the detergent charging unit frame 40 to a predetermined position or more and the water filling lid 30 is removed upward.

  2, 3, 4, 5, and 6, the detergent container 21 is retractably stored in the space 40 d surrounded by the detergent charging unit frame 40 and the water injection lid 30, In the lid body 30, a water passage space 37 serving as a water passage for water supplied to the detergent container 21, and a water inlet 33 are formed on the bottom surface of the water passage space 37.

  The water injection port 33 may be constituted by a plurality of small holes.

  The detergent charging unit frame 40 is integrally formed with a detergent liquid supply path 41 at the bottom, and is supplied from the water injection lid 30 to the detergent (powder synthetic detergent, liquid detergent, liquid finish, etc.) contained in the detergent container 21. Water supplied via 33 is dripped. Various detergent mixed liquids mixed with water are supplied into the water tank 3 through the detergent liquid supply path 41 and the water supply path 26 connected to the detergent liquid supply path 41.

  In addition, the water filling space 30 is formed by thermally welding two resin molding plates made of polypropylene resin or the like to the water filling lid 30, and the powder detergent container 22 is formed in the water flow space 37. And the 1st water supply path 31a which supplies water to the liquid detergent accommodating part 23, and the 2nd water supply path 31b which supplies water to the liquid finishing agent accommodating part 24 are formed.

The detergent container 21 is housed in the detergent charging unit frame 40 so as to be drawn out, and includes a powder detergent container 22 that contains a powdered synthetic detergent, a liquid detergent container 23 that contains a liquid detergent and a liquid bleach, and a liquid. A liquid finishing agent storage unit 24 for storing the finishing agent is also provided, and water is supplied from the first water supply path 31a of the water injection lid 30 to the powder detergent storage unit 22 and the liquid detergent storage unit 23 during washing, and when rinsed, the second Water is supplied to the liquid finishing agent container 24 from the water supply passage 31b.

  On the downstream side of the powder detergent container 22, a powder detergent charging path 22a is formed. A liquid detergent charging path 23 a is formed in the outer bottom portion on the downstream side of the liquid detergent container 23. On the downstream side of the outer bottom portion of the liquid finishing agent storage unit 24, a liquid finishing agent charging path 24a is formed. The powder detergent container 22, the liquid detergent container 23, and the liquid finish container 24 are all diluted with water supplied from the water supply valve 7 so that the detergent liquid flows from the space 40d to the detergent liquid supply path 41. It is configured.

  A container lid plate 25 covers the upper part of the liquid finish agent container 24, and a liquid finish agent receiver for supplying the liquid finish agent to the container lid plate 25 at a position facing the liquid finish agent container 24. The inlet 25b is opened. And at the bottom of the liquid finishing agent storage section 24, a tubular liquid finishing agent charging port 24b is erected with the lower end opened to the liquid finishing agent charging path 24a and facing upward, and the storage section A cylindrical tubular projecting portion 25 c that covers the liquid finishing agent inlet 24 b from the outside and whose lower end reaches the bottom surface of the liquid finishing agent storage portion 24 is formed downwardly on the lid plate 25.

  In addition, the water injection lid 30 is provided with a water amount control unit 35 for draining residual water in the second water supply path 31 b, and the water amount control unit 35 communicates with the outside of the liquid finishing agent storage unit 24.

  The water amount control unit 35 includes a water amount control recess 42 formed in a substantially conical shape that narrows toward the tip, and a water amount control hole 36 is formed at the bottom of the water amount control recess 42.

  The main openings from the second water supply path 31b are two locations, a water amount control unit 35 and a water injection port 33, and the water amount control unit 35 is disposed between the water supply valve 7 and the water injection port 33, and the water amount control. The water amount control hole 36 of the portion 35 is provided below the water injection port 33, and the height of the water amount control recess 42 is set to be twice or more the long side diameter of the water amount control recess 42.

  As shown in FIG. 5, the water amount control hole 36 of the water amount control unit 35 is inclined obliquely with respect to the vertical direction, and the water amount control hole 36 is formed in the liquid finish agent storage unit 24 as shown in FIG. 2. The liquid containing the liquid finishing agent opens toward the obliquely rear side of the liquid finishing agent introduction path 24a through which the liquid is discharged into the water tank 3 by the siphon principle.

  The operation and action of the drum type washing and drying machine configured as described above will be described below.

  In the rinsing step after the washing step is finished, the liquid finish is poured into the liquid finish storage unit 24 from the water injection port 33 through the liquid finish receiving port 25b, and previously charged in the liquid finish storage unit 24 before starting. The finishing liquid is diluted and diffused, and the finishing liquid is introduced into the liquid finishing agent inlet 24b by a siphon principle through a gap formed between the tubular protrusion 25c and the liquid finishing agent inlet 24b. It is fed into the water tank 3 via a detergent liquid supply path 41 formed on the downstream side.

  And the residual water which remained in the 2nd water supply path 31b of the water injection cover body 30 after completion | finish of the supply by a siphon principle from the liquid finishing agent accommodating part 24 from the water quantity control hole 36 of the water quantity control part 35 arrange | positioned in the lowest part. Is also discharged outside. At this time, the water supply channel of the water injection lid 30 is closed because the water supply valve 7 is closed, and thus becomes negative pressure, air flows from the water injection port 33 to release the negative pressure, and the water amount control unit 35 Water flows into the area. Therefore, the residual water remaining in the water supply channel of the water injection lid 30 does not flow to the water injection port 33, and it is possible to prevent the residual water from dripping into the liquid finish agent storage unit 24.

  When the remaining water is discharged from the water amount control unit 35 of the water injection lid 30, the water amount control unit 35 forms the water amount control hole 36 at the tip of the substantially conical shape that becomes thinner toward the tip of the water amount control recess 42. By preventing air from entering through the control hole 36, the negative pressure is not released from the water amount control hole 36, and the remaining water can be prevented from dripping.

  In addition, the water amount control hole 36 of the water amount control unit 35 includes an opening inclined obliquely with respect to the vertical direction, and the liquid containing the liquid finishing agent in the liquid finishing agent storage unit 24 is based on the principle of siphon. By adopting a configuration directed obliquely rearward of the liquid finish agent charging path 24a discharged into the water tank 3, the liquid containing the liquid finish agent flowing through the liquid finish agent charging path 24a discharged into the water tank 3 is obstructed. The remaining water remaining in the second water supply path 31b of the water injection lid 30 can be smoothly discharged from the water amount control hole 36, and the residual water can be prevented from dripping from the water injection port 33 of the water injection lid 30. .

  As described above, in the present embodiment, the water filling lid 30 is disposed outside the liquid finishing agent storage unit 24 in the second water supply path 31b in which the water injection port 33 for supplying water to the liquid finishing agent storage unit 24 is formed. A water amount control unit 35 having a water amount control hole 36 leading to the water amount is formed. The water amount control unit 35 is disposed between the water supply valve 7 and the water injection port 33, and the water amount control hole 36 is lower than the height of the water injection port 33. Provided in position. The water amount control unit 35 is provided with a water amount control concave portion 42 formed with a water amount control hole 36 at the bottom, and the height of the water amount control concave portion 42 is set to be not less than twice the long side diameter of the water amount control concave portion 42. It is possible to prevent the remaining water remaining in the water supply channel 31b from dripping into the liquid finishing agent storage unit 24.

  Further, the water amount control unit 35 is formed with a water amount control hole 36 at the bottom of the water amount control recess 42 formed in a substantially conical shape that narrows toward the tip, so that the remaining water amount from the water amount control hole 36 of the water injection lid 30 is increased. At the time of water discharge, air intrusion from the front end of the water amount control hole 36 is prevented, the negative pressure from the water amount control hole 36 is not released, air can be smoothly flowed in from the water injection port 33, and the water injection cover 30 is injected. It is possible to prevent residual water from dripping from the water port 33.

  The water amount control hole 36 of the water amount control unit 35 has an opening inclined obliquely with respect to the vertical direction, and the liquid containing the liquid finishing agent in the liquid finishing agent storage unit 24 is discharged into the water tank 3 by the principle of siphon. By adopting a configuration directed obliquely rearward of the liquid finish agent charging path 24a, the water injection lid 30 is not obstructed by the liquid containing the liquid finish agent flowing through the liquid finish agent charging path 24a discharged into the water tank 3. The remaining water remaining in the second water supply channel 31 b is smoothly discharged from the water amount control hole 36, and the remaining water can be prevented from dripping from the water injection port 33 of the water injection lid 30.

  In addition, although this Embodiment demonstrated based on the drum type washing machine, you may employ | adopt for a vertical washing machine.

  As described above, the washing machine according to the present invention can prevent the residual water remaining in the water supply channel from dripping into the detergent container using the siphon system due to vibration during dehydration or the like due to the structure of the water injection lid. Therefore, it can be applied not only to a drum type washing machine having a detergent container having a siphon type detergent container, but also to other washing machines such as a vertical washing machine.

DESCRIPTION OF SYMBOLS 2 Housing | casing 3 Water tank 4 Rotating drum 7 Water supply valve 21 Detergent storage container 24 Liquid finishing agent storage part 24a Liquid finishing agent injection | throwing-in path 30 Water injection cover body 31a 1st water supply path 31b 2nd water supply path 33 Water injection port 35 Water quantity control part 36 Water volume control hole 40 Detergent input frame 42 Water volume control recess

Claims (4)

A housing, a water tank that is swingably supported in the housing, a detergent container that can store a detergent or a liquid disposed in the housing, and a water supply channel for supplying water to the detergent container. A piped water injection lid, a water supply valve connected to the water supply channel, a liquid finishing agent storage part for introducing a liquid finishing agent provided in the detergent container, and a liquid finishing agent in the liquid finishing agent storage part A liquid finishing agent charging path through which the liquid containing the liquid is discharged into the water tank according to the principle of siphon, and the water injection lid is provided in the water supply path in which a water injection port for supplying water to the liquid finishing agent storage portion is formed. A washing machine that forms a water amount control unit having a water amount control hole that communicates with the outside of the liquid finish agent storage unit, and the water amount control unit is disposed between the water supply valve and the water inlet. The water amount control unit includes a water amount control recess in which the water amount control hole is formed in a bottom portion, the water amount control hole is provided at a position lower than a height of the water injection port, and the height of the water amount control recess is the water amount The washing machine according to claim 1, wherein the washing machine is set to be twice or more the long side diameter of the control recess. The washing machine according to claim 2, wherein the water amount control recess is formed in a substantially conical shape that narrows toward the tip. The water amount control hole of the water amount control unit has an opening inclined obliquely with respect to the vertical direction, and the liquid finish agent is charged into the water tank by the siphon principle so that the liquid containing the liquid finish agent in the liquid finish agent storage unit is discharged. The washing machine according to any one of claims 1 to 3, wherein the washing machine is formed obliquely rearward of the road.

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