JP4197373B2 - Washing and drying machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a washing and drying machine that supplies warm air into a washing and dewatering tub in a drying process of a washing and drying operation to dry laundry.
[0002]
[Prior art]
For example, Japanese Patent Application No. 9-298867 previously proposed by the applicant has been proposed as a washing and drying machine for drying the laundry by contacting the laundry with warm air. FIG. 9 is a structural diagram of the washing and drying machine described in Japanese Patent Application No. 9-298867. In the figure, 1 is an outer box, 2 is an upper part of the outer box 1 and an opening for taking in and out laundry. The top cover 3 is provided, and the opening 3 can be opened and closed by the lid 4.
[0003]
Reference numeral 5 denotes a water tank for storing washing liquid and rinsing liquid in the outer box 1 and is supported by the outer box 1 so as to be swingable by a vibration isolator (not shown). Reference numeral 6 denotes a washing / dehydration tank that is rotatably disposed in the water tank 5 and has a plurality of dewatering holes 6a formed in the peripheral wall surface, and 7 is a rotary blade that is rotatably disposed on the bottom surface of the washing / dehydration tank 6; Is a driving device that is disposed on the outer bottom of the water tub 5 and provides a driving force for the rotation of the rotary blades 7 and the washing and dewatering tub 6, and a motor 9 that generates the driving force, and the driving force is decelerated and transmitted. The main shaft pulley 12 is connected to the motor pulley 10 and the belt 11, the gear device 13, and the clutch device 14 that switches the driving force to the gear device 13.
[0004]
Reference numeral 15 is attached to the periphery of the upper end of the washing / dehydrating tub 6 to reduce the vibration of the washing / dehydrating tub 6 in the dehydration process, and 16 is arranged so as to cover the upper part of the balancer 15 from the upper end of the water tub 5. And a ring-shaped water tank cover that suppresses splashes of water due to rotation of the washing and dewatering tank 6, 18 is a drain valve provided at the bottom of the water tank 5, 40 is a drain hose connected to the drain valve 18, and 39 is washing and demounting It is a baffle provided on the inner wall of the water tank 6.
[0005]
Reference numeral 19 denotes a hot air generator provided in a space formed between the top cover 2 covering the outer box 1 and the water tank cover 16, and the blower 20 and heater by the blower fan 20b driven by the motor 20a in the heater case 19a. The hot air exhaust port 35 formed at the lower end of the air duct 34 formed integrally with the heater case 19a is opposed to the hot air intake port 36 formed in the water tank cover 16 in a separated state.
[0006]
Further, a hot air exhaust port 37 from the water tank 5 side is provided above the gap space 41 between the washing and dewatering tank 6 and the water tank 5, and a hot air intake port 38 formed in the heater case 19a. And open in a separated state. In this case, the blower fan 20b is positioned above the intake port 38 in the heater case 19a, and the heater 21 is disposed downstream thereof.
[0007]
As a result, the hot air supplied from the hot air generator 19 is disposed in the outer box 1 at locations of the exhaust port 35 and the intake port 36, and the exhaust port 37 and the intake port 38 disposed to face the separated positions. Furthermore, it communicates with the atmosphere outside the machine through the bottom of the outer box 1 and the gap between the outer box 1 and the top cover 2.
[0008]
The gap space 41 between the washing / dehydrating tub 6 and the water tub 5 is used as a dehumidifying space, and a dehumidifying mechanism 45 is provided here. As an example, the dehumidifying mechanism 45 is provided with a supply portion 46 having a water injection hole as a cooling water supply portion in a stationary portion such as the top cover 2 at the top of the outer box 1, and at a position below the supply portion 46. The water tank cover 16 is provided with a water receiving portion 47 that is separated from the supply portion 46 and receives cooling water at a position facing the upper surface of the balancer 15 disposed on the upper edge portion of the water tank cover 16. In the figure, reference numeral 48 denotes a dripping hole formed in the water receiving portion 47.
[0009]
Next, the operation of the drying process set after the completion of the washing, rinsing, and dehydration processes will be described. When the blower fan 20b and the heater 21 are operated, the air in the heater case 19a is heated to generate hot air, and the hot air flows from the exhaust port 35 at the lower end of the blower duct 34 to the intake port on the water tank 5 side. The hot air is blown toward 36 and supplied to the inside of the washing and dewatering tub 6.
[0010]
The warm air blown into the washing / dehydrating tub 6 comes into direct contact with the moisture-containing laundry on the rotary blades 7 of the washing / dehydrating tub 6 after the dehydration process is completed, and evaporates the moisture. dry. The warm air that has become moist after removing moisture contained in the laundry passes through a vent or a dehydration hole 6a formed in the bottom of the washing and dewatering tank 6 and is a space between the water tank 5 and the washing and dewatering tank 6 It flows into 41.
[0011]
The gap space 41 is a dehumidifying space. For example, tap water supplied from a water tap to the supply unit 46 is supplied to the water receiving unit 47 and dropped into the gap space 41 from the dropping hole 48. Therefore, the cooling water contacts the warm air containing moisture in the gap space 41 to directly cool the hot air, or the side wall of the washing / dehydrating tub 6 and the side wall of the water tub 5 around the gap space 41 By cooling with cooling water, the warm air is indirectly cooled, and moisture contained in the warm air is condensed and collected.
[0012]
The dehumidified hot air is sucked into the hot air generator 19 from the exhaust port 37 via the intake port 38, and is heated again here, and then enters the washing and dewatering tub 6 via the exhaust port 35 and the intake port 36. Blown out. This circulation is repeated to dry the laundry in the washing and dewatering tub 6. At this time, a part of the circulating hot air is in the outer box 1 at the locations of the exhaust port 35 and the intake port 36 and the exhaust port 37 and the intake port 38 which are arranged to face the separated positions as described above. And is further discharged to the atmosphere outside the machine through the opening 1 a at the bottom of the outer box 1, the gap between the outer box 1 and the top cover 2, and the like.
[0013]
[Problems to be solved by the invention]
Part of the moist air containing moisture after drying leaks into the outer box 1 from the location of the exhaust port 37 and the intake air 38 and is further discharged from the opening 1a at the bottom of the outer box 1 to the outside of the aircraft. However, the opening 1a has a large opening area, heat exchange occurs between the humid air and the floor surface at the place where the washing and drying machine is installed, and condensation occurs on the floor surface to wet the floor surface. Moreover, a part of the hot air blown out from the hot air generator 19 leaks out from the exhaust port 35 and the intake port 36 and is discharged outside the outer box 1 without heat exchange with the laundry in the washing / dehydrating tub 6. Therefore, drying efficiency is not good.
[0014]
To eliminate this inconvenience, the gap between the hot air exhaust port of the hot air generator and the intake port of the dehumidifying space, and the hot air exhaust port from the dehumidifying space and the intake port of the hot air generator is eliminated. In some cases, the warm air generator has an intake port and an exhaust port that are opened in the washing and dewatering tub and the dehumidifying space to circulate the warm air. If the air is not exhausted, the temperature in the washing and dewatering tub and the gap space becomes high, and an excessive heat load is applied to plastic parts used in products such as the outer box and the water tank cover, which may cause deformation of the parts.
[0015]
Also, the humidity on the top side of the outer box becomes extremely high, and this humid air exchanges heat with the outside air via the outer box and lid, resulting in condensation on the outer box and lid, etc. Cause.
[0016]
The object of the present invention is to eliminate the inconvenience of the conventional example, and the temperature in the outer box such as the inside of the washing / dehydrating tub or the gap space between the washing / dehydrating tub and the water tub becomes high and used for the product. This prevents the plastic parts from being deformed by this heat, prevents condensation on the upper surface side of the outer box due to high humidity, and exhausts warm air exhausted from the outer box to the floor side. An object of the present invention is to provide a washing / drying machine capable of reducing the amount and preventing condensation on the floor surface.
[0017]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides, firstly, an outer box, a water tank disposed in the outer box, a washing / dehydrating tank rotatably disposed in the water tank, and the washing / dehydrating tank. In the washer / dryer having hot air supply means for supplying warm air into the hot air supply means and means for discharging a part of the air flowing through the hot air supply means to the outside of the machine body , the hot air supply means includes the air duct and the air duct. A blower provided at the end of the blower duct and a heater provided on the downstream side of the blower, the suction opening end of the blower duct is opposed to the blower outlet of the blower, By providing a gap for discharging a part of the circulating air to the outside of the fuselage, it can be prevented by exhausting the inside of the outer box to be hot and humid, and it can be used in products The component is overheated It is possible to prevent the parts deform, can be performed more exhaust without providing an exhaust port to the air duct.
[0020]
Second, the outlet of the air discharged to the outside of the machine body, by the flow of exhaust air is opened to accompany the body wall, for example, when installed the washing and drying machine in contact with the interior wall surface, the aircraft It is possible to prevent the exhaust air having high humidity from hitting the wall surface and thereby causing condensation on the wall surface.
[0025]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a longitudinal side view of a main part showing a first embodiment of a washing / drying machine of the present invention, and the same reference numerals are given to the same components as those of the conventional example shown in FIG. In the present invention, the upper part of the washing and dewatering tub 6 rotatably disposed in the water tank 5 disposed in the outer box 1 is covered with the top cover 2, and hot air supply means is provided on the top cover 2. A hot air generator 19 was provided.
[0026]
The hot air generator 19 includes a blower duct 34 that is a storage unit for hot air supply means, a blower 20 provided at the end of the blower duct 34, and a heater 21 provided on the downstream side of the blower 20. The blower 20 includes a motor 20 a attached to the outside of the air duct 34 and a blower fan 20 b attached to the inside of the air duct 34.
[0027]
The air duct 34 has an intake port 38 penetrating the top cover 2 and opens from the peripheral wall portion of the washing / dehydrating tub 6 and from the side wall of the outer box 1, and the exhaust port 35 is formed at the center of the washing / dehydrating tub 6. The blower 20 is located at the end of the air duct 34 on the intake port 38 side, and the heater 21 is located on the exhaust port 35 side. And the exhaust port 50 for discharging | emitting a part of air which distribute | circulates in this ventilation duct 34 out of the body was provided in the side wall surface of the ventilation duct 34 between the air blower 20 and the heater 21. As shown in FIG.
[0028]
In the figure, reference numeral 51 denotes an air exhaust port from the inside of the washing / dehydrating tub 6 to the outer box 1 and is formed by a gap formed between the top cover 2 and the washing / dehydrating tub 6 and the water tub 5. Reference numeral 52 denotes a water supply case disposed on the top cover 2.
[0029]
The air duct 34 constituting the warm air generating device 19 is disposed on the upper cover 49 as described above. The upper portion of the air duct 34 is a panel attached to the upper portion of the top cover 2. 53. In this state, a space 54 is formed between the upper part of the hot air generator 19 and the panel 53, and the hot air generator 19 is disposed in this space 54.
[0030]
The top surface of the panel 53 is provided with an exhaust port 55 for exhausting the air discharged from the exhaust port 50 provided in the air duct 34 to the outside of the machine body, in order to prevent water and dust from entering the exhaust port 55. The cap 60 was attached.
[0031]
In this case, the exhaust port 50 provided in the air duct 34 and the exhaust port 55 provided in the panel 53 are positioned so that the opening surfaces do not completely coincide. FIG. 2 shows a first example in which the opening directions of both the exhaust ports 50 and 55 are made different, and the exhaust port 55 on the panel 53 side is formed horizontally on the top surface of the panel, whereas the air duct. An exhaust port 50 on the 34 side was formed perpendicular to the side wall surface of the air duct 34.
[0032]
FIG. 3 shows a second example in which the opening directions of both the exhaust ports 50 and 55 are the same horizontal direction, but the opening position is shifted in the horizontal direction, and the air is blown to a position directly below the exhaust port 55 of the panel 53 located above. The exhaust port 50 on the duct 34 side is not positioned so as to overlap.
[0033]
FIG. 4 shows a third example. Even when the exhaust port 50 on the air duct 34 side is formed on the upper surface of the duct, the exhaust port 50 is formed in a cylindrical shape and the opening end thereof is horizontally oriented. It can also be directed. Thereby, the opening end of the exhaust port 50 does not face the opening of the exhaust port 55 of the panel 53.
[0034]
In the first embodiment described above, the exhaust port 50 is formed on the wall surface of the blower duct 34. As the second embodiment, as shown in FIGS. The opening end of the air intake port 38 is made to oppose in the vertical position, and a part of the air flowing between the air outlet 56 of the blower 20 and the opening end of the air intake port 38 of the blower duct 34 is discharged out of the airframe. A clearance is provided for this purpose, and this clearance is used as an exhaust port 57.
[0035]
In this case, the opening area of the air outlet 56 on the blower 20 side and the opening area of the air inlet 38 of the air duct 34 may be the same as shown in FIG. 5, but as shown in FIG. The opening area of the air outlet 56 on the side may be made larger, or on the contrary, the opening area of the air inlet 38 of the air duct 34 may be made larger as shown in FIG.
[0036]
The amount of air discharged from these exhaust ports 50 and 57 is set to about 30 to 60% of the amount of air passing through the hot air generator 19. This was set as what was experimentally obtained as an amount capable of preventing the temperature inside the machine from becoming too high while preventing the drying efficiency from decreasing and increasing the loss.
[0037]
As shown in FIG. 8, for example, when the air discharge port 58 discharged outside the machine body from the gap between the top cover 2 and the outer case 1 is formed on the rear surface of the outer case 1, A downward ridge 59 is provided in the tub so that the flow of the discharged air flows in the vertical direction below along the outer wall surface of the outer box 1.
[0038]
Next, the operation of the drying process set after the completion of the washing, rinsing and dehydration processes will be described. When the blower fan 20b and the heater 21 are operated, the air in the blower duct 34 is heated, and warm air is generated. The hot air enters the washing and dewatering tub 6 from the exhaust port 35 at the lower end in the blower duct 3. Blow out.
[0039]
The hot air is brought into direct contact with the moisture-containing laundry on the rotary blade 7 after the dehydration process is completed, and the moisture is evaporated and dried. Part of the warm air that has become moist after removing moisture contained in the laundry flows into the outer box 1 from the exhaust port 51 between the washing and dewatering tub 6 and the top cover 2, and the rest is washed. The air is sucked into the blower duct 34 by the blower fan 20b from the air inlet 38 opened at the upper part of the cum dewatering tank 6. At this time, cold air outside from the opening 1 a at the bottom of the outer box 1 passes through the gap between the outer box 1 and the water tank 5 and is sucked into the air duct 34 from the air inlet 38.
[0040]
The warm air in the washing and dewatering tub 6 sucked from the air inlet 38 is mixed with the cold air sucked from the outside of the machine body, and a part of the warm air is from the exhaust port 50 provided in the air duct 34 above the air duct 3. It is discharged into the space 54. The remaining air is heated again by the heater 21 and supplied into the washing and dewatering tub 6.
[0041]
The air discharged into the space 54 flows through the space 54 and is discharged out of the machine body through an exhaust port 55 provided in the upper panel 53. At this time, the air flowing in the space 54 is mixed with the cold outside air sucked from the opening 1a at the bottom of the outer box 1 as described above, and the temperature is somewhat lowered. The air is heated by the heater 21 by this air. The temperature in the space 54 heated by the heat radiation from the blower duct 34 that is high in temperature is lowered.
[0042]
Further, since the air discharged into the space 54 is a mixture of warm air with high humidity and outside air with low humidity, it is possible to prevent the occurrence of condensation on the lid 4 and the like covering the upper side of the outer box 1. Furthermore, by sucking in cold outside air from the opening 1a at the bottom of the outer box 1, the air temperature and humidity with the water tank 5 of the outer box 1 can also be reduced, and condensation at this part can also be prevented.
[0043]
Further, the exhaust port 55 on the panel 53 side and the exhaust port 50 on the air duct 34 side have different opening directions, or the opening surfaces are shifted even if the directions are the same. Therefore, the air discharged from the exhaust port 50 is exhausted. The air flows while turning in the space 54 until reaching the mouth 55, and can sufficiently exchange heat with the air in the space 54. Even if water enters the inside through the exhaust port 55, the water does not flow into the blower duct 34, and entry of dust is also prevented by the cap 60. Further, the exhaust port 55 is formed on the top surface of the panel 53, so that when the washing / drying machine is installed close to the wall surface, the exhaust gas can flow in a direction away from the wall surface, and condensation on the wall surface is prevented. Can be prevented.
[0044]
As in the second embodiment, a gap is provided between the air outlet 56 of the blower 20 and the open end of the air inlet 38 of the air duct 34 to discharge a part of the circulating air to the outside of the airframe. In the case where the gap is the exhaust port 57, a part of the warm air is discharged in all directions in the space 54 formed below the panel 53, so that the air is well supplied into the space 54. Heat exchange with the heat released from the heater 21 is performed satisfactorily.
[0045]
The air discharged from the washing / dehydrating tub 6 through the exhaust port 51 into the outer box 1 is discharged from the opening 1a at the bottom of the outer box toward the lower floor surface. As described above, a part of the air is forcibly discharged to the outside of the aircraft through the intake port 38, the exhaust port 51, and the exhaust port 55, so that the discharge amount from the opening 1a at the bottom is reduced.
[0046]
Further, the air exhausted from the exhaust port 58 on the back side of the outer box 1 is directed to flow downward along the outer wall of the outer box 1 by the flange 59 provided here. Therefore, even when the washing / drying machine is installed in the vicinity of the wall surface in the room, it is possible to prevent the moist air discharged from the discharge port 58 of the outer box 1 from directly hitting the wall surface and to prevent condensation on the wall surface.
[0047]
【The invention's effect】
As described above, the washing and drying machine of the present invention firstly has an outer box, a water tank disposed in the outer box, a washing and dewatering tank rotatably disposed in the water tank, and the washing machine. In the washing / drying machine having hot air supply means for supplying hot air into the cum dewatering tank and means for discharging part of the air flowing through the hot air supply means to the outside of the machine body , the hot air supply means It is composed of a duct, a blower provided at the end of the blower duct, and a heater provided on the downstream side of the blower. By providing a gap between the open end and a part of the air that circulates outside the machine, it is possible to prevent the inside of the outer box from becoming hot and humid, and to be used for products. Excessive heat load on plastic parts Can be prevented from selfish part deformation, it can be performed more exhaust without providing an exhaust port to the air duct.
[0050]
Second, the outlet of the air discharged to the outside of the machine body, by the flow of exhaust air is opened to accompany the body wall, for example, when installed the washing and drying machine in contact with the interior wall surface, the aircraft It is possible to prevent the exhaust air having high humidity from hitting the wall surface and thereby causing condensation on the wall surface.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional side view of a main part showing a first embodiment of a washing and drying machine of the present invention.
FIG. 2 is a longitudinal side view of a first example of an exhaust port portion which is a main part of the first embodiment of the washing / drying machine of the present invention.
FIG. 3 is a longitudinal sectional side view of a second example of an exhaust port portion which is a main part of the first embodiment of the washing and drying machine of the present invention.
FIG. 4 is a longitudinal side view of a second example of an exhaust port portion which is a main part of the first embodiment of the washing and drying machine of the present invention.
FIG. 5 is a longitudinal side view of a first example of an exhaust port portion which is a main part of a second embodiment of the washing and drying machine of the present invention.
FIG. 6 is a longitudinal sectional side view of a second example of an exhaust port portion which is a main part of a second embodiment of the washing / drying machine of the present invention.
FIG. 7 is a longitudinal sectional side view of a third example of an exhaust port portion which is a main part of a second embodiment of the washing and drying machine of the present invention.
FIG. 8 is a longitudinal side view of a discharge port portion of the washing and drying machine of the present invention to the outside of the machine body.
FIG. 9 is a longitudinal side view of a conventional washing and drying machine.
[Explanation of symbols]
1 ... Outer box, 1a ... Opening, 2 ... Top cover,
3 ... opening, 4 ... lid, 5 ... water tank,
6 ... Washing and dewatering tank, 6a ... Dewatering hole, 7 ... Rotor blade,
8 ... Drive device, 9 ... Motor, 10 ... Motor pulley,
11 ... Belt, 12 ... Spindle pulley, 13 ... Gear device,
14 ... Clutch device, 15 ... Balancer, 16 ... Water tank cover,
18 ... Drain valve, 19 ... Hot air generator,
19a ... heater case, 20 ... blower,
20a ... motor, 20b ... blower fan, 21 ... heater,
32 ... inner lid, 34 ... air duct,
35 ... Exhaust port, 36 ... Intake port, 37 ... Exhaust port,
38 ... Inlet, 39 ... Baffle, 40 ... Drain hose,
41 ... Gap space, 45 ... Dehumidifying mechanism, 46 ... Supply unit,
47 ... Receiving part, 48 ... Drip hole,
50 ... Exhaust port, 51 ... Exhaust port, 52 ... Water supply case,
53 ... Panel, 54 ... Space, 55 ... Exhaust port,
56 ... outlet, 57 ... exhaust port, 58 ... discharge port,
59 ... 鍔, 60 ... cap

Claims (2)

An outer box, a water tank disposed in the outer box, a washing and dewatering tank rotatably disposed in the water tank, and hot air supply means for supplying warm air into the washing and dewatering tank , In the washing and drying machine having means for discharging a part of the air flowing to the hot air supply means outside the machine body ,
The hot air supply means includes a blower duct, a blower provided at an end of the blower duct, and a heater provided on the downstream side of the blower, and causes the suction opening end of the blower duct to face the blower outlet of the blower. A washing and drying machine characterized in that a gap for discharging a part of the circulating air to the outside of the machine body is provided between the air outlet and the suction opening end of the air duct. The washing / drying machine according to claim 1, wherein the discharge port of the air discharged to the outside of the machine body is opened so that the flow of the discharge air follows the wall surface of the machine body.

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