JP5516298B2 - Drum washing machine - Google Patents

Description

  The present invention relates to a drum-type washing machine for washing, rinsing, dehydrating and drying laundry in a rotating drum arranged to be rotatable about a substantially horizontal or inclined rotation axis.

  Conventionally, this type of drum-type washing machine has a detergent case in which a detergent is introduced, and a configuration has been adopted in which a detergent, a finishing agent, or the like is previously introduced into the detergent case prior to the start of operation (for example, Patent Document 1).

  4 is a longitudinal sectional view of a conventional drum-type washing machine described in the cited document 1, FIG. 5 is a perspective view of a detergent charging portion (detergent container) of the drum-type washing machine, and FIG. It is sectional drawing of the detergent insertion part (detergent storage container) of a type washing machine.

  As shown in FIG. 4, the drum-type washing machine 101 has a rotating tub 103 formed in a bottomed cylindrical shape in the water tub 103, in which the water tub 103 is suspended in a washing machine housing 102 by a suspension structure (not shown). A drum 104 is provided. The rotating drum 104 is rotationally driven in the forward and reverse directions by a motor 106 attached to the back side of the water tank 103.

  In the upper part of the washing machine housing 102, a detergent container 121 for storing detergent, a water supply channel 131 connected to a water supply pipe and supplying water to the detergent container 121, and a substantially U-shaped cross section are formed on the upper surface. In addition to fixing the water injection lid 130, a detergent injection unit 120 including a detergent injection unit frame 140 that accommodates the detergent storage container 121 in a space formed between the water injection lid 130 and that can be pulled out is disposed. The detergent charging unit frame 140 is piped through the water supply path 126 to the water tank 103 through the detergent supply path 141 on the lower surface.

  In the perspective view of FIG. 5 and the cross-sectional view of FIG. 6, the detergent container 121 is provided on the back side and is adjacent to the powder detergent container 122 for storing the powdered detergent and the front side of the powder detergent container 122. A liquid detergent container 123 for accommodating a liquid detergent and a liquid bleaching agent, and a liquid finishing agent container 124 for accommodating a liquid finishing agent arranged in a position side by side with the liquid detergent container 123. It is configured with.

  A detergent fall prevention plate 150 having a slit 150a that is an opening is provided in the back of the powder detergent container 122 in order to house and hold the charged powder detergent and allow it to flow out as a detergent liquid with water supply.

  A powder detergent charging path 122a is formed downstream of the powder detergent container 122, and a liquid detergent charging path 123a and liquid are respectively formed downstream of the liquid detergent container 123 and the liquid finishing agent container 124. A finishing agent charging path 124a is formed.

  The detergent charging unit 120 configured as described above includes a powder detergent container 122 and a liquid detergent from a water injection port (not shown) which is a plurality of through holes formed in the lower surface of the water injection lid 130 in the washing process. Water is poured into the storage portion 123, and in the rinsing process, water is poured into the liquid finish storage portion 124 from the water injection port.

  In the washing process, the detergent liquid obtained by diluting and diffusing the synthetic powder detergent in the powder detergent container 122 passes through the detergent supply path 122a from the slit 150a, passes through the detergent liquid supply path 141 and the water supply path 126, and enters the water tank 103. To be sent to. Alternatively, the detergent liquid obtained by diluting and diffusing the liquid detergent in the liquid detergent container 123 is fed to the water tank 103 through the detergent liquid supply path 141 and the water supply path 126 via the liquid detergent charging path 123a according to the siphon principle. . Further, in the rinsing process, the finishing liquid obtained by diluting and diffusing the liquid finishing agent in the liquid finishing agent storage unit 124 is similarly supplied by the siphon principle through the liquid finishing agent introduction path 124a and the detergent liquid supply path 141 and the water supply path. The water is supplied to the water tank 103 through 126.

JP 2008-99920 A

  However, in the conventional configuration, in the detergent container 121, the liquid detergent container 123 and the liquid finish container 124 are arranged side by side on the front side of the powder detergent container 122. A liquid detergent charging path 123a and a liquid finishing agent charging path 124a having substantially the same shape are formed on the downstream side of the section. For this reason, there was a problem of high cost due to space saving and complexity of the mold structure.

  The present invention solves the above-mentioned conventional problems, and realizes space saving and cost reduction by introducing diluted liquid detergent liquid and liquid finish liquid into a water tank via the same input channel. It is an object.

  In order to achieve the above object, the drum type washing machine of the present invention includes a rotating drum having a rotation center axis in a substantially horizontal direction or an inclined direction, a water tank containing the rotating drum, and a detergent, and the front and rear are longitudinal A detergent container, a powder detergent container provided at the rearmost part of the detergent container, a liquid detergent container provided at the front of the powder detergent container, and a front part of the detergent container Liquid finishing agent storage unit, a water injection lid for injecting water into the detergent storage container, a detergent charging unit frame that constitutes a space for retractably storing the detergent storage container, and the detergent charging unit frame And the water tank water supply path that communicates with the water tank, and the liquid agent accommodated in the liquid finish agent accommodating portion passes through the liquid finish agent introduction path provided on the downstream side of the liquid finish agent accommodating portion. Into the liquid and the liquid The liquid agent accommodated in the detergent container is transferred from the liquid detergent outlet formed at the rear corner of the liquid detergent container via the liquid finish agent introduction path provided below the liquid detergent outlet. It is designed to flow into the water tank.

  Thereby, cost reduction by the space saving of a detergent container and simplification of a metal mold | die structure is realizable.

  The drum type washing machine provided with the detergent container of the present invention can realize space saving and cost reduction of the detergent container.

The longitudinal cross-sectional view of the drum type washing machine in embodiment of this invention The perspective view of the detergent container part of the drum type washing machine Sectional drawing of the detergent container part of the drum type washing machine Vertical section of a conventional drum-type washing machine The perspective view of the detergent container part of the drum type washing machine Sectional drawing of the detergent container part of the drum type washing machine

  According to a first aspect of the present invention, there is provided a rotating drum having a central axis of rotation in a substantially horizontal direction or an inclined direction, a water tank containing the rotating drum, a detergent storage container having a longitudinal direction in the front and rear, and a detergent container. A powder detergent container provided at the rearmost part, a liquid detergent container provided at the front part of the powder detergent container, a liquid finish agent container provided at the front part of the detergent container, and A water injection lid that injects water into the detergent container, a detergent charging part frame that forms a space part in which the detergent container can be pulled out, and a water tank water supply path that communicates the detergent charging part frame and the water tank. The liquid agent accommodated in the liquid finish agent accommodating portion flows into the water tank via the liquid finish agent charging path provided on the downstream side of the liquid finish agent accommodating portion, and contains the liquid detergent. The liquid agent contained in the part By flowing into the water tank from the liquid detergent outlet formed at the rear corner of the body detergent container, via the liquid finish agent introduction path provided below the liquid detergent outlet, Diluted and diffused liquid finish liquid and liquid detergent liquid flow to the water tank via the same liquid finish agent input path, thus realizing cost savings by saving space for the detergent container and simplifying the mold structure. be able to.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a longitudinal sectional view showing a schematic configuration of a drum type washing machine according to an embodiment of the present invention, FIG. 2 is a perspective view of a detergent container portion of the drum type washing machine, and FIG. 2 is a cross-sectional view taken along line A-A and viewed in the direction of the arrow.

  In FIG. 1, the rotating drum 41 is formed in a bottomed cylindrical shape, and a large number of water passage holes 42 are provided on the entire outer periphery, and the rotating drum 41 is rotatable in a water tank 44 that is swingably supported in a housing 43. It is arranged.

  A rotation axis (rotation center axis) 45 is provided at the rotation center of the rotary drum 41 in the inclination direction, and the axial center direction of the rotation drum 41 is inclined downward from the front side toward the back side. A motor 49 attached to the vicinity of the back side of the water tank 44 is connected to the rotating shaft 45 via a large pulley 46, a belt 47, and a small pulley 48, and the rotating drum 41 is rotated in the forward and reverse directions. The inclination angle of the rotary drum 41 is, for example, 10 degrees.

  Further, a plurality of projection plates 50 for stirring clothes are provided on the inner wall surface of the rotary drum 41. By rotating the rotary drum 41 at a low speed, the clothes are hooked by the projection plates and lifted upward. By applying a stirring operation (tumbling operation) such as dropping at a high height, clothes are stirred and washed, and a drying operation is performed.

  The above-described rotating drum 41, water tank 44, motor 49, etc. constitute a vibration water tank unit 51.

  An opening provided in the upward inclined surface of the housing 43 on the front side of the water tank 44 is covered with a door body 52 so as to be freely opened and closed. By opening the door body 52, the laundry is taken in and out of the rotary drum 41 through the clothing entrance 53. I can do it.

  Further, the water tank unit 51 is supported in a vibration-proof manner by a vibration isolating member 54 below the housing 43 and an upper spring body (not shown), and one end of a drainage path 56 is connected to the lower part of the water tank 44. The other end of the drainage path 56 is connected to a drainage valve (drainage means) 57 to drain the washing water in the water tank 44 to the outside.

  In addition, a top plate 62 that covers the housing 43 is disposed on the top of the housing 43, and a control device 63 is disposed on the inside thereof. When the operation start is set by the input setting means (not shown) in the operation panel unit 59, the control device 63 inputs data from a water level detection means (not shown) or the like that detects the water level in the water tank 44. Then, the operations of the motor 49, the drain valve 57, the water supply valve 58 and the like are controlled to control each process such as washing, rinsing, dehydration, and drying processes.

  In the upper left portion of the housing 43 as viewed from the front, a detergent insertion portion 60 having a longitudinal direction is disposed, and is connected to a detergent storage container 64 for storing the detergent and a water supply valve 58, and the detergent storage container A water injection lid 66 piped in a water supply path 65 for supplying water to 64, a detergent charging unit frame 67 in which a detergent storage container 64 is stored, and the like.

  The detergent charging unit frame 67 is a box-shaped box with a bottom having an opening on the upper side, and is disposed below the water injection lid 66, and between the water injection lid 66. The detergent container 64 is housed in the formed space 68 and can be pulled out from the front of the housing 43.

  The water injection lid 66 has a water passage space (not shown) that serves as a water passage for water supplied to the detergent container 64, and a water inlet (not shown) in which a large number of small holes are formed on the bottom surface. The water supplied to the detergent container 64 through the water inlet is mixed with the detergent or the like (powder synthetic detergent, liquid detergent, liquid finish, etc.) housed in the detergent container 64. The water is supplied into the water tank 44 through the water tank water supply path 69 from the detergent liquid supply path 70 formed at the bottom of the detergent charging unit frame 67.

  In the perspective view of FIG. 2, the detergent container 64 includes a container body 71, a handle frame 72, a handle cover 73, a container lid 74, and the like.

  The container main body 71 has a powder detergent container 75 for pouring powder detergent on the last side in the longitudinal direction, a liquid detergent container (first container) 76 for pouring liquid detergent on the front side, and the forefront. A liquid finish agent storage portion (second storage portion) 77 for supplying the liquid finish agent to the liquid finish agent is formed, and the liquid finish agent receiving portion for supplying the liquid finish agent is disposed at a position facing the liquid finish agent storage portion 77. The accommodating portion lid body 74 having the inlet 78 opened covers the upper portion of the liquid finishing agent accommodating portion 77.

  At the bottom of the liquid finishing agent storage unit 77, a cylindrical liquid finishing agent charging port 79 is erected upward, and the liquid finishing agent charging port 79 is provided on the storage unit lid 74 from the outside. A cylindrical tubular projecting portion 80 that covers and has a lower end reaching the bottom of the liquid finishing agent containing portion 77 is erected downward.

  A liquid detergent outlet (outlet) 81 from which the liquid detergent flows out is formed at the rear corner of the liquid detergent container 76, and the bottom surface of the liquid detergent container 76 is connected to the liquid detergent outlet 81. It is inclined towards. The partition wall 85 between the liquid detergent container 76 and the liquid finish container 77 is a planar shape seen from above and is inclined toward the liquid detergent outlet 81, and is formed on the bottom surface of the liquid detergent container 76. Along with the inclination, the liquid agent easily flows into the liquid detergent outlet 81.

  The powder detergent container 75 is provided with a detergent fall prevention plate 82 between the powder detergent passage 83 so that the powder detergent is not spilled when the powder detergent is thrown in, and the powder detergent falls into the detergent dispenser frame 67. In addition to water supplied from the water pouring cover 66, water is supplied to the powder detergent input path 83 from the outflow groove 84 formed between the detergent drop prevention plate 82 and the powder detergent container 75 as a detergent liquid. 1 flows out to the detergent liquid supply path 70 of the detergent charging part frame 67 shown in FIG. 1 and is supplied into the water tank 44 via the water tank water supply path 69.

  Further, the handle cover 73 is fitted to the handle frame body 72 with the upper surface portion as a shaft portion, and the lower surface portion can be opened and closed with the upper surface portion as an axis, and the handle cover 73 is pushed open to the back side, The detergent container 64 can be inserted and removed by inserting a hand.

  In the cross-sectional view of FIG. 3, the liquid finishing agent introduced into the liquid finishing agent storage unit 77 is, together with water supplied from the water injection lid 66 during the rinsing process, the cylindrical projecting portion 80, the liquid finishing agent introduction port 79. , And due to the siphon phenomenon generated by the configuration of the liquid detergent water inlet 86 cut out in a substantially U shape at the lower end of the cylindrical protrusion 80, the liquid finish agent is provided downstream through the liquid inlet 79. It flows into the liquid finishing agent charging path (charging path) 87, flows into the detergent liquid supply path 70 of the detergent charging section frame 67 shown in FIG. 1, and is supplied into the water tank 44 via the water tank water supply path 69.

  The liquid detergent put into the liquid detergent container 76 passes through the liquid detergent outlet 81 from the liquid detergent outlet 81 and the liquid detergent outlet together with the water supplied from the water injection lid 66 when supplying water in the washing process. Formed below the bottom surface portion 88 and flows down to the liquid finishing agent charging path 87 through which the liquid finishing agent flows as described above, and thereafter the same path as the liquid finishing agent, that is, the detergent charging shown in FIG. It flows into the detergent liquid supply path 70 of the part frame 67 and is supplied into the water tank 44 via the water tank water supply path 69.

  It should be noted that the positions of the liquid detergent container 76 and the liquid finish agent container 77 may be changed back and forth, and the timing of water injection from the water injection lid 66 may be changed.

  Due to the configuration of the detergent container 64 as described above, the diluted liquid detergent liquid and the liquid finish agent liquid are passed through the same liquid finish agent introduction path 87, the detergent liquid supply path 70, the water tank of the detergent introduction unit frame 67. Since it can be poured into the water tank through the water supply path 69, the cost can be reduced by saving the space of the detergent container 64 and simplifying the mold structure.

  As described above, the drum-type washing machine according to the present invention is configured such that the liquid detergent liquid and the liquid finisher liquid in the detergent container (detergent case) flow to the water tank via the same liquid finisher introduction path. Therefore, it is possible to realize cost reduction by saving the space of the detergent container and simplifying the mold structure, and therefore, it can be applied to other uses of a washing machine having a detergent case.

DESCRIPTION OF SYMBOLS 41 Rotating drum 44 Water tank 64 Detergent container 66 Water injection cover 67 Detergent input part frame body 68 Space part 69 Water tank water supply path 75 Powder detergent accommodating part 76 Liquid detergent accommodating part (1st accommodating part)
77 Liquid finish storage part (second storage part)
81 Liquid detergent outlet (outlet)
87 Liquid finishing agent input path (input path)

Claims (1)

Water injection lid performing a rotary drum, a water tub for containing the rotary drum, and the detergent container having the longitudinal direction before and after housing the detergent, the water injection before Symbol detergent container having a central axis of rotation in a substantially horizontal or inclined direction A body, a detergent charging part frame that constitutes a space part in which the detergent container is retractably stored, and a water tank water supply path that connects the detergent charging part frame and the water tank,
The liquid container includes a powder detergent container for supplying a powder detergent at the last part in the longitudinal direction, a liquid detergent container for supplying a liquid detergent in front of the container, and a liquid finish container for charging a liquid finish at the front part. And
The liquid finish agent receiving portion is provided with a cylindrical liquid finish agent inlet at the bottom, and a cylindrical shape that opens the liquid finish agent inlet and covers the liquid finish agent inlet from the outside. The upper part of the cylindrical projection is covered with a housing lid that is erected downward,
In the detergent container, a charging path is formed under the side part to flow in with the water supplied with the liquid finishing agent from the liquid finishing agent charging port,
In the liquid detergent container, an outlet for flowing the liquid detergent into the charging path is formed at a rear corner, a bottom surface portion is inclined toward the outlet, and a partition wall with the liquid finish agent container Is configured to incline toward the outflow port in a planar shape viewed from above,
The water, the liquid detergent and the liquid finish that have flowed into the charging path are supplied into the water tank from the detergent liquid supply path formed at the bottom of the liquid charging unit frame via the water tank water supply path. to the drum-type washing machine.

Images