JP2001232097A - Drum type clothes drying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance drying efficiency and to rapidly dry wash, such as long- sized sheets, by preventing the wash from being rolled like dumplings in a rotary drum when drying the wash. SOLUTION: The clothes drying machine having the rotary drum (26) of a cylindrical form rotated by a motor (36) and a blast fan (40) for sending hot air into this rotary drum is attachably and detachably mounted with plural supporting pieces (50) at the rear surface section of the rotary drum.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a drum type clothes dryer.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 1, a clothes dryer of a drum type stores clothes after washing in a rotating drum 3 housed in a dryer 1 and rotates the rotating drum to remove laundry. While stirring, the flow of air is improved, and hot air is blown into the rotary drum from the blower window 5 to perform drying.

[0003] When the clothes are dried by the above method, it is good when the amount is small, but the amount is large, and thick materials such as sheets, bath towels and denim pants have a large amount of moisture remaining in the fiber. heavy. Therefore, the laundry hardly spreads due to the centrifugal force of the rotating rotating drum and the weight of the laundry, and the laundry becomes idle with respect to the rotation of the rotating drum. In particular, long sheets and the like roll up in a dumpling shape and take time to dry. There was a disadvantage.

Therefore, it is necessary to repeat the process of temporarily stopping the rotation of the rotary drum 3 halfway and loosening and spreading a long sheet such as a dumpling-shaped sheet.
Drying was slow and inefficient.

As shown in FIG. 2, the inner circumference of the rotating drum 3 of the dryer 1 is improved as shown in FIG. In some cases, a plurality of scooping plates (baffles) 8 projecting in the center direction are provided at regular intervals.

[0006] Since the scooping plate 8 is provided on the inner peripheral surface of the rotating drum 3 of the dryer 1, the clothes rotated in the drum are scooped up by the scooping plate 8 at a lower position in the rotating drum 3. After being moved in the rotation direction, it is released from the centrifugal force and falls under its own weight. Hot air is injected into the gap formed when the clothes fall freely, thereby improving the drying efficiency while preventing the clothes from rolling into a dumpling shape.

[0007]

As described above, in the case of ordinary clothes, the scooping plate 8 is provided on the inner peripheral surface of the rotating drum 3 of the dryer 1 to relatively prevent the clothes from curling. be able to. However, in the case of long items such as sheets and futon covers, or thick clothing such as bath towels or denim pants (hereinafter referred to as laundry), the rotating drum 3
In the scooping plate 8 provided inside, even when scooped up, long sheets and the like in the laundry are heavy because they contain a lot of moisture, and furthermore, because the inner diameter of the rotating drum is small, when falling freely, The laundry does not spread and rolls like a dumpling. Therefore, it is difficult for hot air to enter between the laundry and it takes time to dry.

SUMMARY OF THE INVENTION It is an object of the present invention to dry laundry in a short time while preventing a long laundry from becoming a dumpling in a rotating drum, and increasing the drying efficiency. Things.

[0009]

As a means for solving the above-mentioned problems, the present invention relates to a clothes dryer having a rotating drum rotated by a motor and a blower fan for blowing hot air into the rotating drum. A plurality of support pieces are detachably attached to an inner wall of a rear surface of the rotary drum in parallel with a rotation axis of the rotary drum.

The support piece has a fitting portion such as a screw portion at the rear end of the main body formed in a columnar cross section, and the fitting portion is provided on the inner wall of the rear surface of the rotary drum with the same circumference. It is characterized in that it is detachably attached to fitting holes such as a plurality of screw holes provided at regular intervals on the upper or concentric circumference. further,
The support piece is provided with a fitting portion such as a screw portion at the rear end of the main body formed in a flat cross section, and the fitting portion is formed on the inner wall of the rear surface portion of the rotary drum on the same circumference or concentric circumference. Are detachably attached to fitting holes such as a plurality of screw holes provided at regular intervals. Still further, the support portion piece is provided with a fitting portion such as a screw portion at the rear end of the main body formed in a cross-shaped cross section, and the screw portion is provided on the inner wall of the rear surface portion of the rotary drum on the same circumference or concentric circle. It is characterized by being detachably attached to a plurality of screw holes provided at regular intervals on the circumference.

Therefore, after the laundry is hooked on the supporting piece, the hot air is blown into the rotating drum by the blowing fan while rotating the rotating drum, so that the laundry such as long sheets does not roll into a dumpling. It can be dried well in a short time.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The dryer 21 rotatably mounts a rotary drum 26 inside a base frame 22, and attaches an outer peripheral edge of an opening 27 provided on a front surface of the rotary drum to the base frame 22.
(Not shown) mounted on the entrance 23 in the front of the vehicle
It is supported through. The rear surface 28 of this rotating drum
Is rotatably supported via a bearing (not shown) to a blower 32 provided at the end of a duct 31 having one end attached to the back 24 of the base frame 22.

On the inner wall of the rear surface 28 of the rotating drum 26,
Fitting holes 29 composed of a plurality of screw holes or the like are provided at regular intervals on the same circumference or concentric circumference, and a support piece described later is positioned parallel to the rotation axis of the rotary drum, that is, in the horizontal direction. Attach. A hot air generator 35 having a plurality of air holes 33 is provided in a sending portion 32 formed at the center of the rear surface portion 28.
Is attached. That is, depending on the dryer, the hot air sending body is not circular, but may be annular, in which case,
The inner and outer portions of the annular portion are alternately staggered, and the supporting portion pieces are arranged on concentric circles. If the hot air blower is circular,
The support pieces are arranged on the same circumference at regular or arbitrary intervals. In either case, it is preferable to arrange them at the same interval.

The rotary drum 26 is driven to rotate by a drum belt 38 which is linked to a reduction pulley 37 attached to one shaft of a motor 36 located below the inside of the base frame 22. Reference numeral 40 denotes a blower fan,
The motor 36 is rotatably supported by the lower portion of the duct and is driven to rotate by a belt 42 that is linked to a pulley 41 attached to the other shaft of the motor 36.

Reference numeral 45 denotes an electric heater mounted inside the hot air generator 35, and blows hot air heated from the blower fan 40 into the rotary drum 26 through the blower holes 33. 47
Is an opening / closing door attached to an opening 23 provided at the center of the front surface of the base frame 22.

The dryer 21 is not limited to the above-described configuration, but may be any configuration having at least a rotary drum for drying clothes and a blower fan having a heating means for blowing hot air into the rotary drum. .

A first support piece 50 showing a first embodiment of a support piece is provided with a fitting portion 52 formed of a thread or the like at the rear end of a main body 51 formed in a columnar shape. Rotating drum 26
Is removably attached to a fitting hole 29 such as a screw hole provided in the above. In this case, since the supporting portion 50 is positioned parallel to the rotation axis of the rotary drum, that is, in the horizontal direction, the laundry does not slip down when the laundry is hooked on each supporting portion.

The first support piece 50 is used to hold the laundry 80 to the main body 5.
When the rotary drum 26 is rotated by being hooked on the rotary drum 1, it is desirable that the laundry is not easily detached from the main body 51, for example, about half to two-thirds of the depth width of the rotary drum 26. The length is not limited, and a necessary length may be used. Since it is provided detachably, replacement is easy.

A second supporting member 60 according to a second embodiment of the supporting member shown in FIGS. 8 and 9 has a main body 61 having a flat cross section.
Fitting holes 2 such as screw holes provided in the rotary drum 26 at the rear end
9 is provided with a fitting portion 62 including a screw portion or the like to be fitted into the fitting portion 9.

By forming the main body 61 of the second support piece 60 to be flat, a space X can be formed on the back surface of the folded portion 81 of the laundry 80 hooked on the main body, so that hot air is generated when the drum rotates. Street can be improved and laundry 8
0 drying efficiency can be improved.

Referring to FIGS. 10 and 11, a third supporting member 70, which is a third embodiment of the supporting member, comprises a screw hole provided in the rotary drum 26 at the rear end of a main body 71 formed in a cross-shaped cross section. A fitting portion 72 including a screw portion fitted into the fitting hole 29 is provided.

Since the main body 71 of the third support piece 70 is formed in a cross-shaped cross section, the laundry 80 hooked on the main body is formed.
By reducing the contact area between the folded portion 81 and the main body 71 and increasing the space Y, the flow of hot air during rotation can be improved, and the drying efficiency of the laundry 80 can be improved.

The lengths of the second and third support pieces 60 and 70 are substantially the same as the length of the first support piece 50.

In the following, the operation of the embodiment according to the present invention will be described. The dryer 21 turns on a power switch (not shown) while the clothes are stored in the rotating drum 26.
When the motor 36 and the electric heater 45 are energized to N, the rotating drum 26 and the blower fan 40 are rotated by the motor. On the other hand, the hot air heated by the electric heater 45 is blown into the rotating drum 26 from the blowing holes 33 of the hot air generator 35 to dry the clothes in the rotating drum 26 with the hot air.

Long objects 82 such as sheets and futon covers,
Thick laundry 80 such as bath towels and denim pants
In order to dry the laundry, the laundry 80 is hooked on the main body 51 of the first support piece 50 attached to the inner wall of the rear surface 28 of the rotary drum 26 as shown in FIG. In this case, the small laundry does not need to be hooked on the supporting piece.

In order to dry the laundry 80, it is preferable that the long sheets, the futon cover and the like be at least two at a time in view of the heat capacity of the dryer 21, and as shown in FIG. The laundry 8 is attached to the first support portion 50a located diagonally in the inside.
The inside of the folded portion 81 may be inserted and hooked, and the elongated portion 82 may be hooked to another adjacent first supporting portion piece 50b. Further, as shown in FIG. 7, any method of hooking, such as alternately hooking the support pieces located at distant locations, is available.

After the laundry 80 is hooked, the hot air is blown into the rotary drum 26 while rotating the rotary drum 26.
And the long portion 82 are hung, so that they do not idle and form a dumpling in the rotating drum, they are forcibly rotated together with the rotating drum, and a centrifugal force due to the rotation is applied. As a result, the laundry 80 is exposed to hot air in a spread state without being rolled up in a dumpling shape, so that the hot air can be efficiently applied to both the front and back surfaces of the laundry 80, and can be dried in a short time. Economic and economical.

As shown in FIG. 9, when the laundry 80 is dried using the second support piece 60, the main body 61 of the second support piece is formed in a flat cross section. When the folded portion 81 of the laundry 80 is inserted through the gap, a gap X can be formed on the back surface of the folded portion 81, and hot air can also flow through the gap X to improve the drying efficiency and dry in a short time. It saves electricity and is economical.

As shown in FIG. 11, when the laundry 80 is dried using the third support piece 70, the main body 71 is formed in a cross-shaped cross section. When the folded portion 81 of the laundry 80 is inserted through the first portion, a contact area between the main body 71 and the folded portion 81 is small, and a plurality of gaps Y can be formed on the back surface of the folded portion 81. Therefore, the hot air is also ventilated in the gap Y, and the drying efficiency can be improved and the drying can be performed in a short time, so that the electricity bill can be saved.

In the laundry 80, long items such as sheets are heavy because they contain moisture, and when they are rotated as they are, they tend to be rolled up in a dumpling shape by involving shirts and pants.
Therefore, a long sheet or the like is hooked on each of the support pieces 50, 60, and 70 so that the support piece 50 is rotated together with the rotation of the rotary drum 26 and is prevented from idling.

Thus, each of the support pieces 50, 60, 70
If a long sheet or the like is hooked on the drum and the rotating drum is rotated, hot air is blown between the laundry and the drying efficiency can be improved, so that the laundry can be dried in a short time.

When drying long items such as sheets and futon covers, and laundry such as shirts and pants, the long items 82 are hung on the support pieces, respectively. Rotate without tangling with objects. Therefore, the long objects can be efficiently dried without forming a dumpling shape.

In order to not only attach any one of the first, second, and third support pieces 50, 60, and 70 to the rotary drum 26 but also improve the drying efficiency, the inner peripheral surface of the rotary drum 26 is provided at arbitrary intervals. It goes without saying that a known scooping plate may be attached.

[0034]

As described above, according to the present invention, when laundry is hooked on a plurality of support pieces mounted in the rotating drum of the dryer and the rotating drum is rotated, the long laundry is kept in a spread state. Since the laundry rotates together with the hot air, the laundry can be efficiently blown with hot air, can be dried efficiently in a short time, and can save electricity bills, which is economical.

[Brief description of the drawings]

FIG. 1 is a partially broken front view showing a first embodiment of a conventional dryer.

FIG. 2 is a partially broken front view showing a second embodiment of the conventional dryer.

FIG. 3 is a longitudinal sectional view of a clothes dryer according to the present invention.

FIG. 4 is a perspective view of a first support piece.

FIG. 5 is an enlarged sectional view of a main part in a state where a first support piece is attached to an inner wall of a rear surface portion of the rotary drum.

FIG. 6 is a cross-sectional view showing an example in which laundry is hooked on a first support piece attached to the inner wall of the rear surface of the rotary drum.

FIG. 7 is an explanatory view showing another example in which laundry is hooked on a first support piece attached to the inner wall of the rear surface of the rotary drum.

FIG. 8 is a perspective view of a second support piece.

FIG. 9 is an enlarged cross-sectional view of a folded portion where laundry is hooked on a second support piece.

FIG. 10 is a perspective view of a third support piece.

FIG. 11 is an enlarged cross-sectional view of a folded portion where laundry is hooked on a third support piece.

[Explanation of symbols]

 Reference Signs List 22 Base frame 26 Rotary drum 28 Rear surface 29 Fitting hole 36 Motor 40 Blower fan 50 First support piece 51 Main body 52 Fitting section 60 Second support piece 61 Main body 62 Fitting hole 70 Second support piece 71 Main body 72 Fitting hole 80 Laundry

Claims (4)

[Claims] A rotating drum rotated by a motor;
In a clothes dryer having a blower fan for blowing hot air into the rotating drum, a plurality of support pieces are detachably attached to an inner wall of a rear surface portion of the rotating drum in parallel with a rotation axis of the rotating drum. Drum type clothes dryer characterized by the above-mentioned. 2. The supporting piece is provided with a fitting portion such as a screw portion at a rear end of a main body formed in a columnar cross section, and the fitting portion is provided on the inner wall of a rear surface portion of the rotary drum with the same circumference. 2. The drum-type clothes dryer according to claim 1, wherein the drum-type clothes dryer is detachably attached to fitting holes such as a plurality of screw holes provided at regular intervals on the top or on the concentric circle. 3. The supporting piece is provided with a fitting portion such as a screw portion at a rear end of a main body formed in a flat cross section, and the fitting portion is provided on the inner wall of a rear surface portion of the rotary drum with the same circumference. The drum-type clothes dryer according to claim 1, wherein the clothes dryer is detachably attached to fitting holes such as a plurality of screw holes provided at regular intervals on the upper or concentric circumference. 4. The support piece is provided with a fitting portion such as a screw portion at a rear end of a main body formed in a cross-shaped cross section, and the screw portion is provided on an inner wall of a rear surface portion of the rotary drum on the same circumference. 2. The drum-type clothes dryer according to claim 1, wherein each of the plurality of screw holes or the like is provided on a concentric circle at a predetermined interval so as to be detachably attached.