JP2002239296A - Clothing drying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize hermetic holding between a door port and a drum supporting body and preventing a burn from occurring. SOLUTION: Inner and outer ribs 20-2 and 20-3 are arranged on the end part of a door port 20 in such a way that the inside and the outside of the inner peripheral wall 17-2 of the drum supporting body 17 made of a steel are covered with them to form a U-shaped section and a hermeticity holding member 21 is placed between the outer peripheral face of the inner peripheral wall 17-2 and the inner peripheral face of the outer rib 20-2 and the inside of the inner peripheral wall 17-2 is covered with the inner rib 20-3 to prevent the burn caused by coming in contact with the inner peripheral wall 17-2 from occurring.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a clothes dryer.

[0002]

2. Description of the Related Art Clothes dryers maintain the airtightness between a steel plate drum support for holding the front side of a drum for storing clothes and a door that opens and closes, and are used while the inside of the drum is hot during operation. A resin door port is provided to cover the support and the outer frame front plate so that when the user opens the door and takes out the clothes, the user touches the high-temperature drum support and the outer frame front plate to prevent burns. The door port has a configuration in which the end of the door port is inserted inside the inner peripheral wall of the drum support for the purpose of covering the inner circumference of the drum support to prevent burns. It is dressed to maintain airtightness by packing pasted on. However, the door port needs to be made of resin for the purpose of preventing burns, and as the drying operation is repeated, the diameter gradually changes so as to reduce the diameter, and the gap between the door port and the drum support increases. , The function of maintaining airtightness is reduced. Furthermore, since the packing also comes loose, high humidity air in the drum leaks from the gap into the outer frame, and particularly when the outside air temperature is low, dew condensation occurs on the inner wall surface of the outer frame, which may cause dripping. is there.

[0003]

SUMMARY OF THE INVENTION One object of the present invention is to suppress the generation of a gap between a door port and a drum support in such a clothes dryer, thereby maintaining the air-tightness maintaining function in the portion. It is to provide a clothes dryer with good reliability.

A further object is to prevent the drum support from being exposed at the clothing slot and causing a burn.

[0005]

The present invention comprises a drum support made of a steel plate for holding a drum on the front side, and a resin door port for keeping the airtightness between the drum support and a door that opens and closes. In the clothes dryer for drying the clothes by supplying warm air to a rotating drum that stores and rotates the end of the door port so as to cover the inside and outside of the inner peripheral wall of the drum support, It is characterized by being formed in a shape.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

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

Inside the outer frame 1, there is a drum 3 which rotates while stirring the clothes by storing and rotating the clothes, and a front side of the outer frame 1 of the outer frame 1 on the front side. Slidably abuts on a drum support 17 attached to the drum support 17 and rotatably supports the rear end of the drum support 17 on a drum shaft 9-1 fixed to a drum / fan support plate 9 mounted behind the outer frame 1. It is installed by being rotatably supported via a drum bearing 3-2. Inside the drum 3, a baffle 3-3 for efficiently stirring the clothes is projected.

The drum 3 is driven to rotate by rotating the drum belt 15 around the outer periphery of the drum 3 and around the drum driving pulley 4-2 to apply tension by the tension applying pulley 13.
In this configuration, the motor is driven by a motor 4 attached to the outer frame 1 via a motor base 4-1.

Reference numeral 2 denotes a door which opens and closes when clothes are taken in and out of the drum 3. The outer frame front plate 1-
1 support. When the door 2 is closed, the door port 20 is installed so as to keep the space between the drum support 17 and the door 2 airtight. And this door port 2
0, the clothes input port 20-1 is formed on the inside thereof, and even when the drum support 17 made of steel plate and the outer frame front plate 1-1 are at a high temperature, the user can put his hand on the clothes input port 20-1. The drum support 17 and the outer frame front plate 1-
1 is made of a resin having a low heat conduction rate so as not to be burned by touching the edges of the drum support 17 or the edge of the inside of the drum support 17 and the outer frame front plate 1-1 (clothes input port side) from the inside. Installed to cover.

A fan casing 8 and a fan 6 housed in the fan casing 8 are provided behind the drum exhaust port 3-1 of the drum 3. The fan casing 8 is fixed to the drum / fan support plate 9, and the fan 6 is rotatably supported by a fan shaft 9-2 fixed to the drum / fan support plate 9. The fan 6 is rotationally driven by the motor 4 via a fan drive pulley (not shown) attached to the motor 4 and a fan belt 10. Here, fan 6
The fan casing 8 is partitioned by a partition plate 7 and divided into a circulation side A and a cooling side B by the front and back sides, the air in the drum 3 is circulated to the circulation side A, and the outer frame body is provided to the cooling side B. Back plate intake port 14 provided on back plate 14 covering
This is a so-called heat exchange type of a front and rear two-wing type in which outside air is sucked in and exhausted through an exhaust port -1 and a back plate exhaust port 14-2.

Reference numeral 5 denotes a heating element for supplying warm air, which is installed immediately before a drum suction port 17-1 located below the drum support 17.

Reference numeral 16 denotes a lint collecting device for collecting dust such as lint generated from clothes in the drum 3, and a collecting net installed immediately before the drum exhaust port 3-1 of the drum 3. It is detachably attached to the filter support base 19 having 19-1.

The casing discharge port 8 of the fan casing 8
-1 and the drum intake 17-1
Rear circulation duct 11 and front circulation duct 12 provided with
Are connected while maintaining airtightness. Thus, the air in the drum 3 is discharged from the drum 3 → the lint collecting device 16 → the drum exhaust port 3-1 → the fan casing 8 (circulation side A) → the casing discharge port 8-1 → the rear circulation duct 11 → the front circulation. 12 in front of the duct → Heating element 5 → Drum inlet (hot air outlet)
17-1 → Circulation air path to circulate in order of drum 3

Reference numeral 18 denotes a control device for controlling the operation of the motor 4, the heating element 5 and the like, and is attached to the outer frame front plate 1-1 via the panel 18-1.

The portion of the partition plate 7 will be described in more detail.
A so-called labyrinth seal is formed by making the ribs having a comb-shaped cross-section integrally provided on the outer periphery of the fan 6 and the ribs having the same comb-shaped cross-section provided on the partition plate 7 face each other so as to be fitted and recessed in a non-contact state. Is composed.

Thus, when the clothes dryer constructed as described above is operated and the motor 4 and the heating element 5 are energized, the motor 4 rotates and the drum 3 and the fan 6 are rotated.
Are respectively rotated to generate circulating air in the circulating air path, the heating element 5 generates heat, the circulating air is heated, warm air is supplied into the drum 3, and the clothes stored in the drum 3 are stirred. To evaporate the water.

The moisture containing the moisture evaporated from the clothes becomes circulating wind, passes through the lint collecting device 16, and flows into the circulation side A of the fan casing 8 through the drum exhaust port 3-1. Also, outside air flows into the cooling side B of the fan casing 8 from the back plate intake port 14-1 of the back plate 14, and the back plate exhaust port 14
-2. In the outer peripheral portion of the fan 6, the circulating air and the cooling air are separated by a labyrinth seal portion with the partition plate 7 without entering and exiting. Here, the circulation side A and the cooling side B of the fan casing 8 on the front and back of the fan 6. As a result, the heat contained in the circulating air is condensed into water and flows down from the casing discharge port 8-1 of the fan casing 8 to the circulating duct 11. Then, it is discharged out of the machine from the drain port 11-1. Thus, a series of drying operations of the clothes dryer are continued.

In this series of drying operations, dust such as lint generated from clothes in the drum 3 is collected by the lint collecting device 16 and removed from the circulating wind.

When such a drying operation is repeated, each component repeatedly undergoes thermal expansion and thermal contraction. In particular, the diameter of an annular component such as the door port 20 is gradually reduced. At this time, the door port 20 plays a role of maintaining the airtightness between the drum support 17 and the door 2, but in this embodiment, as shown in FIG. Inner peripheral wall 1 at edge of support 17
The airtight holding member 21 provided between the outer surface of the outer rib 7-2 and the inner surface of the outer rib 20-2 at the end of the U-shaped cross section of the door port 20 is configured to maintain airtightness. Therefore, the contraction of the door port 20 occurs in a direction in which the gap is reduced and the airtight holding member 21 is compressed, so that the airtightness between the drum support 17 and the door port 20 can be ensured. The inner peripheral surface of the inner peripheral wall 17-2 at the edge of the drum support 17 is provided with an inner rib 20- at the end of the door port 20 having a U-shaped cross section which extends so as to expand inside.
3, it is possible to prevent a hand inserted into the clothing inlet 20-1 from touching the edge of the drum support 17 and causing burns.

Further, as shown in an enlarged scale in FIG.
The airtight holding member 22 having a U-shape is inserted between the inner and outer ribs 20-2 and 20-3 at the end of the door port 20 having the U-shaped cross section so as to sandwich the inner peripheral wall 17-2 of the drum support 17. If this is the case, the airtight range can be expanded, and the airtightness can be further ensured.

As shown in an enlarged view in FIG. 4, the inner rib 20-3 at the end of the door port 20 having a U-shaped cross section is formed straight, and the outer rib 20-2 is formed so as to expand outward. Then, the clothing inlet 20-1 can be enlarged, and the operability is improved.

The airtight holding members 21 and 22 are preferably heat-resistant elastic members such as heat-resistant rubber.

[0024]

According to the present invention, the door port and the drum support can be kept airtight and can prevent burns.

[Brief description of the 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 enlarged longitudinal side view showing a door port portion of the clothes dryer shown in FIG.

FIG. 3 is a longitudinal sectional side view showing a modification of a door port portion of the clothes dryer shown in FIG. 1 in an enlarged manner.

FIG. 4 is a longitudinal sectional side view showing a further modification of the door port portion of the clothes dryer shown in FIG. 1 in an enlarged manner.

[Explanation of symbols]

2 door, 3 drum, 17 drum support, 17-2
... inner peripheral wall, 20 ... door port, 20-1 ... clothing inlet,
20-2: Outer rib, 20-3: Inner rib, 21, 22
… Airtight members.

Claims (4)

[Claims] A drum support for holding a drum at a front side; a resin-made door port for maintaining airtightness between the drum support and a door that opens and closes; In a clothes dryer that supplies warm air to dry the clothes, an end of the door port is formed in a U-shaped cross section so as to cover the inside and outside of an inner peripheral wall of the drum support. Clothes dryer. 2. The airtightness holding member according to claim 1, wherein an airtight holding member is interposed between an outer peripheral wall of the drum support and an inner outer wall of a U-shaped end of the door port. Clothes dryer. 3. An airtight holding member having a U-shaped cross section so as to sandwich an inner peripheral wall of the drum support, according to claim 1,
A clothes dryer, wherein an end of the door port having a U-shaped cross section is configured to cover the security member. 4. The clothes dryer according to claim 1, wherein the end portion having a U-shaped cross section is formed by expanding outwardly from an inner peripheral wall of the door port.