JP2014008357A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve a washing machine efficiently performing ventilation and promoting drying of clothes.SOLUTION: A washing machine includes: a water receiving tub 25 provided in the washing machine; a washing dewatering tub 26 disposed rotatably in the water receiving tub 25 and having a substantially circular opening part 35; an exterior cover 24 provided at the upper part of the washing dewatering tub 26; an opening part 23 for clothes input provided at the exterior cover 24 and from which clothes are put in; an outer lid 28 for opening closing the opening part 23 for clothes input; and a ventilation port 30 provided at the side of the outer lid 28. As the opening part 23 for clothes input covers a part of the opening part 35, and air in the washing dewatering tub 26 is ventilated via the ventilation port 30, ventilation inside the water receiving tank is performed efficiently, infiltration of water or dust into the washing dewatering tub from the ventilation port is prevented and a washing machine having a good appearance quality can be achieved.

Description

  The present invention relates to a washing machine having a function of ventilating air in a laundry dewatering tank.

  Conventionally, in a washing machine, the outer lid provided in the upper part of the washing and dewatering tank arranged inside the machine has a vent opening that opens upward, and the air outside the machine is washed and dehydrated through the vent. Ventilation was performed by taking it into the tank and exhausting the air inside the washing and dewatering tank to the outside of the machine. (For example, refer to Patent Document 1).

  FIG. 8 shows a conventional washing machine, and its configuration will be described below.

  A base 2 is provided at the lower portion of the main body 1, an outer frame 3 is assembled to the base 2, and an outer cover 5 having a clothing input opening 4 is provided at the upper portion of the outer frame 3.

  A water receiving tank 6 is provided inside the main body 1. The water receiving tank 6 is suspended from the outer frame, and a washing / dehydrating tank 7 is rotatably disposed therein. The laundry dewatering tub 7 has a rotary blade 8 for stirring clothes on the inner bottom.

  The clothing input opening 4 is located above the washing and dewatering tub 7, and further has an outer lid 9 on the upper portion thereof. The outer cover 5 supports the end of the outer lid 9. The user opens and closes the outer lid 9 and puts in and takes out the clothes through the opening 4 for putting in clothes. The washing machine operates in a state where the outer lid 9 is closed in order to ensure the safety of the user.

  A ventilation port 10 for ventilating the air inside the washing and dewatering tub 7 is provided on the upper surface of the outer lid 9. By ventilating through the ventilation port 10, drying of clothes is promoted and water is received. Prevents the humidity in the tank from becoming high. The effects as described above are enhanced by rotating the washing and dewatering tank 7 and the rotary blade 8 and stirring the air inside the water receiving tank 6.

JP 2009-89995 A

  However, in the conventional washing machine, the rotation of the washing / dehydrating tub causes the air in the washing / dehydrating tub to be agitated in the rotation direction around the central axis of the washing / dehydrating tub. Since it was arranged above the shaft, ventilation was not performed well, leading to a decrease in ventilation efficiency.

  In addition, since the ventilation opening is opened on the upper surface of the outer lid, that is, above the washing machine, water, dust, and the like may enter the washing / dehydrating tank from the ventilation opening. In addition, providing a ventilation port on the upper surface of the washing machine was not beautiful in appearance, and it was a design restriction, which deteriorated the appearance quality.

In order to achieve the above object, the washing machine of the present invention includes a water receiving tub provided inside the washing machine, and a laundry dewatering tub having a substantially circular opening that is rotatably disposed in the water receiving tub. An outer cover provided on the upper part of the washing and dewatering tub, a clothing input opening for inputting clothes provided on the outer cover, an outer lid for opening and closing the clothes input opening, and on the side of the outer lid Provided with a ventilation opening provided, and the opening for clothing input covers a part of the opening and ventilates air in the washing and dewatering tub through the ventilation opening.

  Thereby, the air in the washing and dewatering tank can be efficiently ventilated.

  In addition, since the ventilation opening is provided on the side of the outer lid, it is possible to prevent water, dust, and the like from entering the washing / dehydrating tub from the ventilation opening.

  In addition, since the design restriction on the upper surface of the outer lid is eliminated, the appearance quality is improved.

  INDUSTRIAL APPLICABILITY The present invention efficiently ventilates a water receiving tub, prevents water and dust from entering the washing and dewatering tub from the ventilation port, and can realize a washing machine with excellent appearance quality. .

  In addition, in a washing machine having a drying function, ventilation can be efficiently performed, so that drying of clothes can be promoted.

Side sectional view of the washing machine according to Embodiment 1 of the present invention. (A) perspective view of the washing machine, (b) enlarged view of the main part of the ventilation opening. Top view of the washing machine Sectional view of the ventilation opening of the washing machine Top view when the outer lid of the washing machine is opened Partial sectional view of the upper part of the washing machine Top view of a washing machine in Embodiment 2 of the present invention Side sectional view of a conventional washing machine

  A first aspect of the present invention is a water receiving tub provided inside a washing machine, a laundry dewatering tub having a substantially circular opening rotatably disposed in the water receiving tub, and an exterior cover provided on the upper portion of the laundry dewatering tub A garment input opening for inputting garment provided in the exterior cover, an outer lid for opening and closing the garment input opening, and a ventilation opening provided on a side of the outer cover, The opening covers a part of the opening and ventilates the air in the washing / dehydrating tub through the ventilation port, thereby efficiently ventilating the washing / dehydrating tub. It is possible to prevent a dust or the like from entering the washing / dehydrating tank and to realize a washing machine having excellent appearance quality.

  In the second invention, in particular, the ventilation port of the first invention ventilates the air in the washing / dehydrating tub with the rotation of the washing / dehydrating tub. It becomes possible to ventilate air efficiently.

  In the third aspect of the invention, in particular, the ventilation openings of the first or second aspect of the invention are provided on opposite side surfaces of the outer lid, so that ventilation can be performed more efficiently, and either side of the washing machine can be performed. Even if the wall of the installation site is adjacent, the reduction in ventilation efficiency can be prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. For convenience of explanation, the vertical and horizontal directions are shown along the drawings, but the present invention is not limited thereto. Further, the present invention is not limited by this embodiment.

(Embodiment 1)
1 is a side sectional view of a washing machine according to Embodiment 1 of the present invention, FIG. 2 (a) is a perspective view of the washing machine, FIG. 2 (b) is an enlarged view of a main part of a ventilation port, and FIG. This is an enlarged view of A in a). FIG. 3 is a top view showing the positional relationship between the laundry dewatering tub and the ventilation opening of the washing machine according to Embodiment 1 of the present invention. FIG. 4 is a cross-sectional view of the ventilation opening of the washing machine, showing a BB cross section of FIG. 3.

  Hereinafter, description will be given with reference to FIGS.

  A base 21 is provided in the lower part of the main body 20 of the washing machine, and an outer frame 22 is assembled to the base 21. On the upper part of the outer frame 22, an exterior cover 24 having an opening 23 for putting in clothes is provided.

  A water receiving tub 25 is elastically supported by the outer frame 22 inside the main body 20, and a washing / dehydrating tub 26 is rotatably arranged around the vertical direction inside the water receiving tub 25.

  Inside the washing / dehydrating tank 26, a rotating blade 27 for stirring clothes on the inner bottom is provided with the same rotating shaft as the washing / dehydrating tank 26, and the clothes are stirred in the washing process, the rinsing process and the drying process.

  The clothing input opening 23 is located above the opening 35 of the washing / dehydrating tub 26, and an outer lid 28 is provided above the clothing input opening 23. The opening 35 is substantially circular.

  In the exterior cover 24, the end portion of the outer lid 28 is pivotally supported so as to be rotatable. A transparent window 29 is provided on the upper surface of the outer lid 28 so that the user can check the state of clothing in the washing and dewatering tub 26. The material of the transparent window 29 is highly transparent, such as glass or plastic. Visibility improves by using things.

  The user puts and takes out clothes through the opening 23 for putting in clothes by opening the outer lid 28. In order to ensure the safety of the user, the washing machine operates when the outer lid 28 is closed, and the open / closed state of the outer lid 28 is determined by a lid open / close detection means (not shown).

  A ventilation port 30 is provided on the side of the outer lid 28. The ventilation port 30 has a ventilation hole 312 that opens to the side of the outer lid 28 and a lower ventilation hole 311 that opens to the lower side of the side end of the outer lid 28. As shown in FIG. The hole 311 and the ventilation hole 312 communicate with each other. Thereby, the ventilation port 30 has a function of ventilating the air inside the washing / dehydrating tub 26 and the outside of the main body 20 of the washing machine.

  A plurality of lower ventilation holes 311 and ventilation holes 312 are provided adjacent to the inside of the ventilation port 30. Further, the ventilation hole 312 opens toward the diagonally rear side of the main body 20. Specifically, the partition wall 36 provided between the adjacent ventilation holes 312 is inclined toward the rear side of the main body 20.

  By opening the ventilation hole 312 toward the diagonally rear side of the main body 20, the air in the washing / dehydrating tub 26 is exhausted toward the diagonally rear side of the main body 20. Since the user is usually located in front of the main body 20, exhausting from the side of the main body 20 and obliquely rearward prevents the user from feeling uncomfortable because the exhaust does not go to the user.

  Moreover, when the partition 36 provided between the ventilation holes 312 is inclined toward the rear of the main body 20, when the user visually recognizes the ventilation port 30 from the front of the main body 20, the partition 36 blocks the ventilation holes 312, Since the ventilation hole 312 cannot be directly visually recognized, the appearance quality in design is improved.

  Since there is no exhaust port on the upper surface of the outer lid 28, the degree of freedom in design on the upper surface of the outer lid 28 is increased, and the appearance quality is improved. In addition, a large transparent window 29 can be provided to improve visibility.

  Further, by providing the ventilation port 30 on the side of the outer lid 28, water, dust or the like does not enter the washing / dehydrating tub 26 through the ventilation port 30 from above the ventilation port 30.

  When viewed from above the main body 20, the ventilation port 30 is located not on the rotating shaft of the washing / dehydrating tub 26 but on the substantially outer periphery of the washing / dehydrating tub 26. It is possible to exhaust without obstructing the air flow generated by the action.

  The arrows shown in FIG. 4 represent intake and exhaust. Explaining the exhaust, when the washing / dehydrating tub 26 rotates, an outward air flow is generated by the centrifugal action, and the space 37 provided between the outer lid 28 and the outer cover 24, the lower ventilation hole 311, the ventilation. It exhausts through the hole 312 in order.

  Here, the action of exhaust and intake air at the ventilation port 30 will be described in detail.

  FIG. 5 is a top view showing the relationship between the washing and dewatering tub 26 and the clothes loading opening 23 when the outer lid 28 of the washing machine according to Embodiment 1 of the present invention is opened. FIG. 6 is a partial cross-sectional view of the upper portion of the washing machine, showing a CC cross section of FIG. 5. However, FIG. 6 is arranged so that the upper surface of the main body 20 faces upward for easy understanding.

  In FIG. 5, with respect to the washing / dehydrating tub 26 having the substantially circular opening 35, the clothes charging opening 23 provided in the exterior cover 24 has a substantially elliptical shape, and the clothes charging opening 23 is the opening 35. Specifically, the garment throwing opening 23 is arranged so as to cover two positions in the front-rear direction of the opening 35 with respect to the main body 20.

  The arrows shown in FIG. 5 indicate the rotation direction of the washing / dehydrating tub 26, and the air flow generated by the centrifugal action of the washing / dehydrating tub 26 also follows this direction.

  The flow of air will be described with reference to FIG. Here, the exhaust guide wall 38 indicates a surface forming the clothing input opening 23 that rises forward in the rotational direction of the washing / dehydrating tub 26, and the air intake guide wall 39 indicates the clothing input opening that rises backward in the rotational direction of the laundry / dehydrating tub 26. The surface which forms 23 is shown. Similarly, the exhaust port 301 indicates a part of the ventilation port 30 arranged on the front side in the rotation direction of the washing / dehydrating tub 26, and the intake port 302 is one of the ventilation ports 30 arranged on the rear side in the rotation direction of the washing / dehydrating tub 26. Shows the part.

  The flow of air generated along the rotation direction of the washing / dehydrating tank 26 collides with the exhaust guide wall 38 rising forward in the rotation direction of the washing / dehydrating tank 26, flows upward, and is exhausted to the outside through the exhaust port 301. The arrow indicating the flow of the exhaust gas in FIG.

  On the other hand, due to the flow of air generated along the rotation direction of the laundry dewatering tub 26, air is drawn from the intake guide wall 39 side that rises rearward in the rotation direction of the laundry dewatering tub 26. This air flow is taken into the inside of the main body 20 from the outside through the intake port 302, and an arrow indicating the flow of the intake air in FIG.

The flow of air generated along the direction of rotation of the washing / dehydrating tub 26 has the highest flow velocity on the outer periphery of the washing / dehydrating tub 26. Such exhaust and intake are performed efficiently. In particular, exhaust and intake are performed more efficiently during high-speed rotation movements such as during dehydration rotation.

  As described above, the air generated by the rotational movement of the washing / dehydrating tub and the rotor blades can be efficiently ventilated.

  Here, the clothes-filling opening 23 has been described as having an approximately elliptical shape, but the oval shape, the oval shape, the shape in which two straight lines of equal length are connected by an arc, or the shape of a rectangle, etc. The same effect can be obtained as long as it has a shape that covers a part of 35.

(Embodiment 2)
FIG. 7 is a top view of the washing machine according to the second embodiment of the present invention, in which ventilation ports 30 are provided on the left and right side surfaces of the outer lid 28, and the ventilation ports 30 are located on opposite side surfaces of the outer lid 28. To do.

  Since exhaust and intake are performed in the same manner as in the first embodiment, detailed description thereof is omitted.

  By doing in this way, the total area of the ventilation opening 30 becomes large, and it becomes possible to ventilate still more efficiently. In addition, when installing the washing machine, even if a wall is adjacent to one of the left and right sides of the washing machine, one of the ventilation ports 30 provided on the left and right sides of the outer lid 28 can ensure an opening. Can be prevented.

  As described above, the washing machine according to the present invention efficiently ventilates the water receiving tank, prevents water and dust from entering the washing and dewatering tank from the ventilation opening, and has excellent appearance quality. A washing machine can be realized.

  In addition, since the air generated by the rotational movement of the washing and dewatering tank can be efficiently ventilated, when drying clothes that have undergone washing, rinsing, and dehydration, the effect of promoting drying is increased, and in particular, the drying function Useful for washing machines.

  As described above, since the washing machine according to the present invention can efficiently ventilate the air in the washing and dewatering tub, it can be applied not only to home use but also to a business use washing machine and the like.

23 Opening for clothing input 24 Exterior cover 25 Water receiving tank 26 Washing and dewatering tank 28 Outer lid 30 Ventilation opening 35 Opening

Claims (3)

A water receiving tub provided inside the washing machine, a laundry dewatering tub rotatably disposed in the water receiving tub and having a substantially circular opening, an exterior cover provided on the upper portion of the laundry dewatering tub, and the outer cover A garment throwing opening for feeding the garment provided; an outer lid for opening and closing the garment throwing opening; and a ventilation opening provided on a side of the outer lid, wherein the garment throwing opening is the opening A washing machine that covers a part of the washing machine and ventilates the air in the washing and dewatering tub through the ventilation opening. The washing machine according to claim 1, wherein the ventilation port ventilates air in the washing / dehydrating tub as the washing / dehydrating tub rotates. The washing machine according to claim 1 or 2, wherein the ventilation port is provided on both side surfaces of the outer lid facing each other.