JP3482695B2 - Clothes dryer - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clothes dryer which blows warm air into a rotary drum having a plurality of baffles to dry clothes.

[0002]

2. Description of the Related Art Conventionally, this type of clothes dryer has been constructed as shown in FIG. The configuration will be described below.

As shown in the figure, the outer frame 1 is rotatably provided with a rotary drum 2 for accommodating, stirring and drying clothes, and the rotary drum 2 is provided with a baffle 2b for stirring clothes. The heater (heating means) 3 is housed in a heater cover 4, and the heater cover 4 has an opening at the drum front plate 5.
To the hole 5a. Double-wing fan (blower) 6
Has a function of sending heat to the cooling air 7 and the circulating air 8 and having a blowing function, and is rotatably housed in the fan case 9. The shaft 10 pivotally supports the rotary drum 2 and the double-blade fan 6. The circulation duct 11 circulates the circulation wind 8. The drainage port 12 drains condensed water. The motor 13 rotationally drives the rotary drum 2 and the double-sided fan 6. The back plate 14 covers the rear surface of the outer frame 1 and is provided with holes 14x for taking in the cooling air 7.

The fan case 9 is provided with a substantially ring recess for enclosing the double-blade fan 6 having a plurality of rings 6c having a comb-teeth-shaped cross section on the outer periphery thereof to form a seal for the circulating air 8 and to form the double-blade fan 6
A vortex chamber 9d is formed outside the ring 6c.

In the above structure, when the motor 13 rotates, the rotary drum 2 and the both-wing fan 6 rotate. When the double-blade fan 6 rotates, cooling air 7 and circulating air 8 are generated,
The circulating wind 8 reaches the heater 3 via the circulation duct 11,
Heated by the heater 3 and introduced into the rotary drum 2,
The clothes are dried by the baffle 2b while being stirred, and the flow is returned to the double-blade fan 6 again. On the other hand, the steam of the circulating air 8 that has exchanged heat with the clothes and has become hot and humid becomes condensed water, and is drained to the outside of the outer frame 1 through the drain port 12.

[0006]

As described above, in the conventional structure, the warm air is supplied to the hole 5a of the drum front plate 5 in front of the heater 3.
Since it is introduced into the rotary drum 2 more intensively, the clothing is concentrated and hits, which poses a problem that there is a risk of damage to the cloth, heat shrinkage, and the like.

The hot air is introduced into the rotary drum 2 in a concentrated manner from the hole 5a of the drum front plate 5 in front of the heater 3.
Since the drum front plate 5 is formed of a metal plate, the temperature of the drum front plate 5 is high, and when the door 16 is opened and a hand is put in the rotary drum 2 during the drying process, the drum front plate 5 is not heated. There was a risk of burns if touched.

The present invention solves the above problems by rotating
To make it easier to blow warm air into the drum
First , the warm air is blown to the entire clothing so that the clothing can be dried gently without damage to the clothing or heat shrinkage.
The purpose is.

Further, while achieving the first object, it is to prevent the foreign matter through the warm air inlet from the baffles from entering as a second object.

In addition to achieving the first or second object, a large amount of clothes is put into the rotating drum, and the warm air blowout port provided on the baffle toward substantially the center of rotation of the rotating drum is blocked by the clothes. The third purpose is to blow out warm air into the rotary drum even in the case of occurrence.

Further, in addition to achieving any one of the above first to third objects, even when the amount of clothes put in the rotary drum is small, the clothes can be surely stirred and the clothes can be stirred.
That the so that can reliably dry is a fourth object of.

In addition to achieving any one of the above-mentioned first to fourth objectives, it is possible to easily remove the thread waste and the like that have entered the baffle and to blow hot air into the rotary drum.
That the so that can be easily formed the air outlet is a fifth object of.

Further, while achieving the one of interest of the first 1-5, reducing the mounting steps of the baffle, and to ensure the strength and air tightness in the sixth object.

[0014]

SUMMARY OF THE INVENTION In order to achieve the first object of the present invention, a rotary drum having a plurality of baffles made of synthetic resin attached to the inner surface of its outer periphery is rotatably disposed in an outer frame. And an intake port provided in a substantially central portion of the rear surface of the rotary drum,
Rotation of the rotary drum at the outer periphery of the rear surface of the rotary drum
A plurality of warm air inlets provided from the center and the intake port
Preparative When intake the steamy air from the rotary drum through
Wherein a blowing means for blowing air through the warm air inlet is also provided with a heating means provided in the air blowing path for blowing the air through the stream of warm air inlet, before Symbol plurality of synthetic resin baffle,
While corresponding to the plurality of hot air inlets,
Has an air channel communicating with the warm air inlet to the inner portion, the
On the side opposite to the warm air inlet side, a warm air outlet for blowing warm air from the baffle toward the substantially rotation center of the rotating drum.
Is provided as a first problem solving means.

In addition, in order to achieve the second object, the baffle of the first means for solving the problems has a wind in its body .
The second problem solving means is to gradually increase the height forming the cave from the warm air inlet side to the opposite side .

In order to achieve the third object, the baffle of the above-mentioned first or second problem solving means has a body portion thereof.
The third problem solving means is to provide the hot air outlet on the side wall surface opposite to the rotating direction of the rotating drum.

Further, in order to achieve the fourth object, the baffle of any one of the above-mentioned first to third problem solving means is
And that is in the side wall surface of the rotation direction of the rotary drum <br/> central provided with a recess having a temperature air blowing port as the fourth means for solving problems in its barrel.

In order to achieve the fifth object, the baffle of any one of the above-mentioned first to fourth problem solving means is
A fifth problem solving means is to provide a removable window having a hot air outlet on the side wall surface of the body portion opposite to the rotating direction of the rotary drum.

In order to achieve the sixth object, the baffle of any one of the first to fifth problems solving means is
The baffle is formed in the hole provided on the outer peripheral wall of the rotating drum.
Insert the claw and slide the baffle
The locked to the rotating drum, and a sixth means for solving problems that it has to so that is fastened by screws to the rear surface of the rotary drum Ri.

[0020]

According to the first means for solving the above problems, the present invention provides:
The warm air heated by the heating means blows out from the hot air outlet of the baffle toward the approximate center of rotation of the rotating drum, hits the clothes evenly, and can be dried gently without damage to the cloth or heat shrinkage, and the hot air inlet rotates. Dora
Since it is installed near the center of rotation of the
Lower the peripheral speed at the hot air inlet when
And the warm air can easily flow into the baffle.
It is possible, and warm air is blown on the side opposite to the warm air inlet side of the baffle.
Since there is an outlet, warm air blown out from the hot air outlet
Can be made to flow before and after the rotating drum, and warm air can
You can hit the body .

Further, according to the second means for solving problems, when a foreign matter enters the baffle, the foreign matter moves to the side opposite to the warm air inlet by the rotation of the rotary drum and enters through the warm air inlet. In addition, it is possible to prevent an accident such as abnormal insulation or abnormal overheating due to contact of foreign matter with the heater (heating means).

Further, according to the third problem solving means, when a large amount of clothes thrown into the rotary drum is put into operation, the warm air blowout port provided on the baffle toward substantially the center of rotation of the rotary drum is made by the clothes. When it is blocked, hot air cannot be blown into the rotating drum, but even in this case,
Warm air can be blown into the rotary drum from a warm air outlet provided on the side wall surface of the baffle body opposite to the rotating direction of the rotary drum, and the clothes in the rotary drum can be dried.

According to the fourth problem solving means, when the amount of clothes thrown into the rotary drum is small, even if the clothes ride on the baffle, they drop immediately due to the recesses, so that the clothes ride on the baffle. state, it is possible to prevent the co-rotation with rotation of the rotary drum, if the garment is Ba
While riding on the ruffle, with the rotation of the rotating drum
Even if it turns together, the warm air blows from the hot air outlet provided in the recess.
The clothes on the baffle should also be dried in order to get them out.
You can

Further, according to the fifth means for solving the problems, when the lint and the like enter the baffle together with the warm air, the window can be removed to remove the lint, and the air volume of the warm air due to the lint entering. reduction can be prevented, also, the window since the side wall surface of the rotating direction opposite to the rotating drum of the barrel of the baffle, when the rotation of the rotary drum, rather greens be hooked clothing hit directly the garment , Provisionally large amount in the rotating drum
When driving with the clothes of
Depending on the clothing
Can be blocked by blowing hot air into the rotating drum
Even if it disappears, warm air is blown from the hot air outlet on the window.
Can be blown out, and this warm air outlet can be easily shaped
Can be made .

Further, according to the sixth means for solving problems, the baffle can be easily attached to the rotary drum, the number of attachment steps can be reduced, and the strength and airtightness can be secured.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The same components as those of the conventional example will be described with the same reference numerals.

As shown in the figure, the rotary drum 17 is provided with an intake port 18 at the substantially central portion of the rear surface and a plurality of warm air inlets 19 facing the heater (heating means) 3 at the outer peripheral portion. . The baffle 20 has a wind tunnel 21 that communicates with the warm air inlet 19, and a plurality of warm air outlets 22 are provided on the opposite side of the warm air inlet 19 toward substantially the center of rotation of the rotary drum 17, and the outer periphery of the rotary drum 17 is provided. Multiple pieces are attached to the inner surface.
At this time, the warm air inlet 19 is provided near the center of rotation of the rotary drum 17.

The circulation side fan case 23 is provided with an intake hole 23a at a substantially central portion and a blowout port 23b at a substantially outer peripheral portion. The cooling fan case 2 is formed by the flange 23c extending to the circulation fan case 23 and the back plate 24.
5 is formed. The heater 3 is the circulation side fan case 2
It is provided close to the blowout port 23b of No. 3. A substantially cylindrical inner seal 26 is provided on the outer circumference of the intake hole 23a of the circulation side fan case 23, and a substantially cylindrical outer seal 27 is provided on the outer circumference of the heater 3 to hermetically seal the intake hole 23a and the air outlet 23b. Separated.

In the above structure, when the motor 13 rotates, the rotary drum 17 and the double-blade fan 6 rotate. When the double-blade fan 6 rotates, the cooling air 7 and the circulating air 28 are generated, and the circulating air 28 reaches the circulation-side fan case 23 and is heated from the air outlet 23b of the circulation-side fan case 23 via the heater 3, Substantially rotation of the rotary drum 17 passes between the inner seal 26 and the outer seal 27, the hot air inlet 19 of the rotary drum 17, the wind tunnel 21 of the baffle 20, the hot air outlet 22 and the rotary drum 17 into the rotary drum 17. The clothes in the rotating drum 17 are blown out toward the center to dry the clothes. Then, a flow is formed from the intake port 18 of the rotary drum 17 through the intake hole 23a of the circulation side fan case 23 to the double-blade fan 6.

At this time, since the warm air inlet 19 is provided near the center of rotation of the rotary drum 17,
The peripheral speed at the hot air inlet 19 when the rotor is rotating can be lowered to allow the hot air to easily flow into the baffle 20, and the warm air outlet 22 of the baffle 20 can be connected to the hot air inlet. Since it is provided on the side opposite to 19 toward substantially the center of rotation of the rotary drum 17, the warm air blown from the warm air outlet 22 can be made to flow before and after the rotary drum 17, and the warm air can hit the entire clothing. . On the other hand, the circulating air 28 that has exchanged heat with the clothes and has become hot and humid becomes condensed water, and is drained to the outside of the outer frame 1 through the drain port 29.

As described above, according to this embodiment, the hot air circulating in the rotary drum 17 is the hot air outlet 22 of the baffle 20.
Blow out toward the approximate center of rotation of the rotating drum 17,
Evenly hits clothes and can be dried gently without damage or heat shrinkage.

Next, an embodiment of the baffle 20 will be described with reference to FIGS. 3 to 5.

As shown in FIGS. 3 (a) and 4, the baffle 20 gradually increases the height of the body portion 30 forming the cavity 21 toward the anti-warm air inlet 19 side. That is, as shown in FIG. 3A, the height B on the side of the anti-warm air inlet 19 is made higher than the height A on the side of the warm air inlet 19 side. With this configuration, when a foreign matter enters the baffle 20, the foreign matter moves to the side opposite to the warm air inlet 19 by the rotation of the rotary drum 17, does not enter through the warm air inlet 19, and the foreign matter does not enter the heater. It is possible to prevent accidents such as abnormal insulation and abnormal overheating due to contact with 3.

Further, as shown in FIG. 3A, the baffle 20 is provided with a warm air outlet 31 on the side wall surface of the body portion 30 opposite to the rotating direction of the rotary drum 17. With this configuration, when a large amount of clothes thrown into the rotating drum 17 is put into operation and the warm air outlet 22 provided in the baffle 20 toward the substantially rotation center of the rotating drum 17 is blocked by the clothes, Hot air cannot be blown into the rotary drum 17, but even in this case, the body portion 30 of the baffle 20
The warm air can be blown into the rotary drum 17 from the warm air outlet 31 provided on the side wall surface of the rotary drum 17 opposite to the rotation direction, and the clothes in the rotary drum 17 can be dried.

As shown in FIGS. 3B and 4, the baffle 20 is provided with a recess 32 at the center of the body 30 in the direction of rotation of the rotary drum 17. With this configuration, when the amount of clothes thrown into the rotating drum 17 is small, even if the clothes ride on the baffle 20, they are immediately dropped by the recess 32. It can be prevented from rotating together with the rotation of 17.

As shown in FIGS. 3B and 4, the baffle 20 is provided with a warm air outlet 33 in a recess 32 provided in the center of the body 30 in the rotating direction of the rotary drum 17. With this configuration, when the amount of clothes thrown into the rotary drum 17 is small, even if the clothes are riding on the baffle 20 and rotate together with the rotation of the rotary drum 17, the warm air outlet provided in the recess 32 is provided. Since warm air is blown from 33, the clothes on the baffle 20 can be dried.

The baffle 20 is shown in FIGS. 3 (a) and 3 (b).
Further, as shown in FIG. 4, a removable window 34 is provided on the side wall surface of the body portion 30 on the side opposite to the rotation direction of the rotary drum 17. With this configuration, when the lint and the like enter the baffle 20 together with the warm air, the window 34 can be removed to remove the lint, and it is possible to prevent a decrease in the amount of warm air due to the lint entering. The window 34 is the body 3 of the baffle 20.
Since it is provided on the side wall surface on the side opposite to the rotating direction of the rotating drum 17 of 0, when the rotating drum 17 is rotated, the clothes are not directly hit and caught.

Further, as shown in FIG. 3A, the baffle 20 has a window 34 that is detachably provided on a side wall surface of the body portion 30 opposite to the rotating direction of the rotating drum 17, and the warm air outlet 3
1 is provided. With this configuration, when a large amount of clothes thrown into the rotary drum 17 is put into operation, the warm air outlets 22 provided on the baffle 17 toward the substantially rotation center of the rotary drum 17 are blocked by the clothes and rotated. Even if the hot air cannot be blown into the drum 17, the window 34
The warm air can be blown out from the warm air outlet 31 provided in the above, and since this warm air outlet 31 can be formed simultaneously with the molding of the window 34, it can be easily formed.

Further, as shown in FIGS. 3A to 3C and FIG. 5, a flange 35 is provided at the lower end of the baffle 20,
A plurality of claws 36 are formed on the flange 35. An L-shaped square hole 38 is provided on the outer peripheral wall 37 of the rotating drum 17,
After inserting the pawl 36 into the square hole 38, slide the pawl 36 into the pawl 36.
The locking portion 39 of the rotary drum 17 is locked to the locking piece 40 of the rotary drum 17, and the boss 41 provided on the baffle 20 is screwed (not shown).
Are fastened to the side wall 42 of the rotary drum 17 by screwing. Nail 3
After inserting 6 and sliding it, the square hole 38 at the rear is the flange 3
Covered by 5.

With this configuration, the baffle 20 can be easily attached to the rotary drum 17, the number of attachment steps can be reduced, the attachment strength can be increased, and the airtightness is secured by the flange 35 provided at the lower end of the baffle 20. It is possible to prevent the hot air from leaking from the lower end of the baffle 20.

The baffle 20 is made of polypropylene,
It is made of thermoplastic resin such as polyamide, thermosetting resin such as phenol and melamine, and plywood, wood such as wood, which has a low thermal conductivity. With this configuration, even if the baffle 20 is inadvertently touched by putting a hand in the rotary drum 17 during the drying operation, it is possible to prevent the burn.

In the above embodiment, the circulating air 28 is circulated in the rotary drum 17 by using the double-blade fan 6, but the warm air heated by the heater 3 is blown into the rotary drum 17. Needless to say, it may be a clothes dryer of a type in which clothes are dried and then discharged.

[0043]

As described above, according to claim 1 of the present invention .
According to the invention, the warm air heated by the heating means blows out from the warm air outlet of the baffle toward the substantially rotation center of the rotating drum, uniformly hits the clothes, and can be gently dried without damage to the cloth or heat shrinkage . Hot air flow
The inlet is located near the center of rotation of the rotating drum to keep the baffle temperature
Since the hot air outlet is provided on the side opposite the air inlet side,
Reduce the peripheral speed at the hot air inlet when the ram is rotating.
The hot air can easily flow into the baffle.
The warm air blown from the hot air outlet
Can be made to flow before and after the rotating drum, and warm air can
You can hit the body .

According to the second aspect of the present invention, when foreign matter enters the baffle, the foreign matter moves to the side opposite to the warm air inlet by the rotation of the rotary drum and enters through the warm air inlet. It is possible to prevent accidents such as abnormal insulation and abnormal overheating due to foreign matter coming into contact with the heater.

According to the third aspect of the present invention, a large amount of clothes is put into the rotary drum, and the warm air blowout port provided on the baffle toward substantially the center of rotation of the rotary drum is blocked by the clothes. Also in the case, the warm air can be blown into the rotary drum, and the clothes in the rotary drum can be dried.

Further , according to the invention described in claim 4, when the amount of clothes thrown into the rotary drum is small, even if the clothes ride on the baffle, the clothes drop immediately due to the recesses, so the clothes are baffled. It is possible to prevent co-rotation with the rotation of the rotating drum in the riding state, so that the clothes can be surely agitated , and the clothes put in the rotating drum.
Clothes got on the baffle when the amount of food was low
In this state, even if it rotates together with the rotation of the rotary drum,
The warm air blows out from the hot air outlet on the baffle.
Ru can be clothes also ensure that drying was riding in.

According to the fifth aspect of the invention, when the lint and the like enter the baffle together with the warm air, the window can be removed to remove the lint, and the temperature due to the intrusion of the lint can be improved. It can prevent a decrease in the volume of the wind, and since the window is provided on the side wall surface of the baffle body opposite to the rotating direction of the rotating drum, when the rotating drum is rotated, it can hit the clothes directly and catch the clothes. Gana rather, a large amount in a rotating drum
When driving with the clothes of
Depending on the clothing
Can be blocked by blowing hot air into the rotating drum
Even if it disappears, warm air is blown from the hot air outlet on the window.
Can be blown out, and this warm air outlet can be easily shaped
Can be made .

According to the sixth aspect of the invention, the baffle can be easily attached to the rotary drum, the number of attachment steps can be reduced, and the strength and airtightness can be secured.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of a clothes dryer according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view in which a rotary drum of the clothes dryer is partially cut away.

FIG. 3 (a) is an enlarged vertical sectional view of a baffle of the clothes dryer. (B) An enlarged top view of the baffle of the clothes dryer (C) Enlarged side view of the baffle of the clothes dryer

FIG. 4 is an enlarged perspective view of a baffle of the clothes dryer.

FIG. 5 is an enlarged exploded perspective view showing how the baffle of the clothes dryer is attached to the rotating drum.

FIG. 6 is a vertical sectional view of a conventional clothes dryer.

[Explanation of symbols]

1 outer frame 3 heater (heating means) 6 two-bladed fan (air blower) 17 rotating drum 20 baffles

─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Tadashi Inuzuka 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Tetsuo Kawai 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. (72) Inventor Yasuhiko Ota 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor Shunji Imai 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. (56) References JP-A-5-15696 (JP, A) JP-A-63-252196 (JP, A) JP-A-6-71095 (JP, A) JP-A 52-99469 (JP, A) JP-A-1-175897 (JP, A) Actual development 57-128991 (JP, U) Actual development 3-111292 (JP, U) Actual development 5-48897 (JP, U) (58) Fields investigated (Int.Cl. ⁷⁾ , DB name) D06F 58/02

Claims (6)

(57) [Claims] 1. A rotary drum, which is rotatably disposed in an outer frame and has a plurality of synthetic resin baffles attached to an inner peripheral surface thereof.
An intake port provided at a substantially central portion of the rear surface of the rotary drum;
The center of rotation of the rotary drum at the outer peripheral portion of the rear surface of the rotary drum
As well as the intake and a plurality of warm air inlet provided more, the hot and humid wind from <br/> the rotary drum through the inlet port
And blowing means for blowing air through the hot air flow inlet, the temperature
And a heating means provided in the air blowing path for blowing the air through the air flow inlet, before Symbol plurality of synthetic resin baffle, it
With corresponding to the plurality of warm air inlet, respectively, it has an air channel communicating with the warm air inlet to the <br/> Internal, the warm air
On the side opposite to the inlet side, a warm air outlet for blowing warm air from the baffle toward the substantial rotation center of the rotating drum is provided.
Digit clothes dryer. 2. The baffle defines a wind tunnel in its body.
Clothes dryer of claim 1 Symbol placement was gradually increased toward the opposite side a height consist warm air inlet side. 3. The clothes dryer according to claim 1, wherein the baffle is provided with a warm air outlet on the side wall surface of the body portion opposite to the rotating direction of the rotating drum. 4. A baffle according to any one at the center of the side wall surface of the rotation direction of the claims 1-3 having a <br/> recess having a temperature air outlet of the rotary drum in its barrel portion Clothes dryer. 5. The baffle according to any one of claims 1 to 4, wherein a removable window having a hot air outlet is provided on a side wall surface of the body portion opposite to the rotating direction of the rotary drum . The clothes dryer according to item 1 . 6. The baffle is provided on the outer peripheral wall of the rotating drum.
Insert the claw formed on the baffle into the hole
Slide it to lock it to the rotary drum.
Is, clothes drying machine according to any one of claim 1 5 to so that is fastened by screws to the rear surface of the rotary drum.