JP3674968B2 - Clothes dryer - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a clothes dryer that drives a rotating drum containing an object to be heated by a motor and dries the object to be dried in the rotating drum by a heating device.
[0002]
[Prior art]
Conventionally, this type of clothes dryer is configured as shown in FIG. Hereinafter, the configuration will be described.
[0003]
As shown, the body 101, so also forms an outer shell of the dryer main body, provided with a rotary drum 102 for accommodating clothes (material to be dried) therein rotatably driving the rotary drum 102 by the motor 103 To do. The lid 104 has a body 106 made of an opaque material, and an inner lid 107 made of an incombustible material such as an iron plate is fixed by screws or the like via the inner lid 1-5.
[0004]
[Problems to be solved by the invention]
However, since there is nothing that protects the opening of the body 101 from the inside of the rotating drum 102, the packing 106 that seals and closes the opening of the body 101 is exposed in the rotating drum 102 and wears due to friction of the object to be dried. There was a fear.
[0005]
SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and to prevent wear due to sliding friction of an object to be dried of a packing that keeps an opening of a body airtight, and to improve durability.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention includes a rotating drum that accommodates an object to be dried and is rotatably supported on the rear surface thereof, and an outer peripheral flange portion that slides and supports the rotating drum on the front surface of the rotating drum. An annular rotating drum bearing, a motor for driving the rotating drum, a heating device for heating an object to be heated in the rotating drum, a body that covers the rotating drum and has an opening on the front surface, and the body A lid that closes the opening of the lid, a first packing that maintains hermeticity when the lid is closed, an inner lid on which the first packing is mounted, and the body and the bearing portion of the rotary drum. and a second packing holding,臨接surface to said first packing of said rotary drum is in contact with the corner portion of the opening portion of the body, and is provided integrally with the inner lid the Rotating drum Are the SUMMARY that material to be dried in the rotating the drum covered by the said convex annular rib inwardly second packing in the peripheral portion is not exposed so as not to contact.
[0007]
[Action]
According to the present invention, since the problem-solving means described above, the contact surface of the first packing into the rotating drum is covered with the annular rib provided on the inner lid and the inner peripheral portion of the second packing. It is not exposed in the drum, the wear of the first packing due to the sliding friction of the material to be dried can be prevented, and the durability can be improved.
[0008]
【Example】
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.
[0009]
As shown in FIG. 1, the body 1 is rotatably provided with a rotating drum 2 having a lifter for stirring clothes. The rotating drum 2 is rotatably supported on the rear surface of the body 1 and is circular on the front surface. Dry air that is slidably supported by an outer peripheral flange portion of an annular rotating drum support plate (bearing portion) 3, driven by a motor 4 and a drum belt 5, and flows into the rotating drum 2 by a PTC heater (heating device) 6. Heat. An opening 7 through which clothing is placed is provided on the front surface of the body 1, and a lid 8 that opens and closes the opening 7 is rotatably locked to the body 1.
[0010]
As shown in FIG. 2, the lid 8 has an outer lid 11 in which a concave portion 9 and a window portion 10 which is a hole in the concave portion 9 are integrally formed at a substantially central portion, and the concave portion 9 is fitted and held by a claw or the like. A window cover 12 made of transparent resin, and a window glass 14 made of heat-resistant glass whose outer peripheral end is held by a holding rib (rib) 13 provided in the vicinity of the window 10 on the back surface side of the outer lid 11, There is a substantially equivalent through hole 15 at a position corresponding to this window glass 14, an inner lid 16 made of a non-combustible material such as an iron plate and the like, and having an opening 7 on the outer periphery is hermetically maintained. It comprises a transparent resin inner lid 18 fitted with a first packing 17, and is provided with a triple viewing window 19 consisting of a window cover 12, window glass 14, and inner lid 18 from the outside. The inner lid 18 sandwiches the inner lid 16 with a boss provided on the outer lid 11 and is fixed by screws or the like to press the window glass 14.
[0011]
Explaining the operation in the above configuration, the lid 8 that closes the opening 7 of the rotary drum 2 that stores and dries the object to be dried includes a window cover 12 made of transparent resin, a window glass 14 made of heat resistant glass, and made of transparent resin. Since the observation window 19 having a triple structure formed from the inner lid 18 is provided, the dried state of the object to be dried in the rotary drum 2 can be visualized and the usability can be improved.
[0012]
The lid 8 holds a transparent resin window cover 12 fitted and held in the recess 9 in the substantially central portion of the outer lid 11 with a nail or the like, and a holding rib (rib) 13 on the back side of the outer lid 11. The window glass 14 made of heat-resistant glass, the inner lid 16 made of non-combustible material, and the inner lid 18 made of transparent resin are sequentially laminated, so that assembly and disassembly workability is extremely good, and the assembly man-hour is reduced. Reduction, automation of assembly, and improvement of serviceability can be achieved.
[0013]
Further, since the window glass 14 is pressed and held by the resin outer lid 11 and the inner lid 18, stress can be reduced with respect to holding metal or the like, and cracking or chipping of the window glass 14 can be prevented. .
[0014]
In addition, since the inner lid 18 forms the viewing window 19 with a transparent resin, a complicated sealing configuration for maintaining the hermeticity of the window portion, which is generally considered, becomes unnecessary, and the number of parts and assembly man-hours can be eliminated. In addition, the airtight reliability of the lid 8 can be ensured.
[0015]
Further, when the object to be dried in the rotary drum 2 is ignited at a low temperature, the middle plate 16 made of non-combustible material having the same size as the opening 7 of the body 1 and the window glass 14 made of heat-resistant glass covering the through-hole 15 are used. In addition, ignition from the opening 7 can be prevented, and soaking can be prevented.
[0016]
Next, a second embodiment of the present invention will be described with reference to FIG. In addition, the thing of the same structure as the said 1st Example attaches | subjects the same code | symbol, and abbreviate | omits description.
[0017]
As shown in the figure, the second packing 20 maintains the airtightness between the body 1 and the rotating drum support plate (bearing portion) 3. The contact surface 21 of the first packing 17 into the rotary drum 2 is covered with an inner peripheral portion 22 of the second packing 20 and an annular rib 23 provided integrally with the resin inner lid 18, and rotates. The drum 2 is not exposed in a visible state to the extent that an object to be dried such as clothing does not come into contact with the drum 2.
[0018]
Explaining the operation in the above configuration, the contact surface 21 of the first packing 17 into the rotary drum 2 is covered by the annular rib 23 provided on the inner lid 18 and the inner peripheral portion 22 of the second packing 20. Therefore, the first packing 17 is not exposed to the rotating drum 2 and the contact between the first packing 17 and the object to be dried can be prevented, and the wear of the first packing 17 due to the sliding friction of the object to be dried can be prevented. Can be improved.
[0019]
Further, since the wear of the first packing 17 due to the sliding friction of the material to be dried can be prevented, it is needless to say that a low-cost material with low wear resistance can be used for the first packing 17.
[0020]
【The invention's effect】
As described above, the present invention is an annular rotation having a rotating drum that accommodates an object to be dried and is rotatably supported on the rear surface, and an outer peripheral flange portion that slides and supports the rotating drum on the front surface of the rotating drum. A drum bearing, a motor for driving the rotating drum, a heating device for heating an object to be heated in the rotating drum, a body that covers the rotating drum and has an opening on the front surface, and an opening of the body A lid for closing, a first packing for maintaining airtightness when the lid is closed, an inner lid for mounting the first packing, and a second for maintaining airtightness between the body and the bearing portion of the rotary drum. A first surface of the first packing that comes into contact with the corner of the opening of the body and is provided integrally with the inner lid . ring of convex towards Since the material to be dried in the covered and the rib and the second packing in the peripheral portion in the rotary drum is not exposed to the extent that no contact can be prevented the first packing wear due to sliding friction of the material to be dried , Durability can be improved.
[Brief description of the drawings]
1 is a longitudinal sectional view of a clothes dryer according to a first embodiment of the present invention. FIG. 2 is an exploded perspective view of a lid of the clothes dryer. FIG. 3 is an enlarged sectional view of a main part of the clothes dryer. 4] Cross-sectional view of the essential parts of a clothes dryer according to a second embodiment of the present invention. [FIG. 5] A longitudinal sectional view of a conventional clothes dryer.
1 body 2 rotating drum 4 motor 6 PTC heater (heating device)
7 Opening 8 Lid 12 Window Cover 13 Retaining Rib
14 Window Glass 15 Through-hole 16 Inner Lid 18 Inner Lid 19 Viewing Window

Claims (1)

A rotating drum that accommodates an object to be dried and is rotatably supported on the rear surface thereof, a bearing portion of an annular rotating drum having an outer peripheral flange portion that slideably supports the rotating drum on the front surface of the rotating drum, and the rotation A motor for driving the drum; a heating device for heating an object to be heated in the rotating drum; a body that covers the rotating drum and has an opening on the front surface; a lid that closes the opening of the body; A first packing for maintaining airtightness when closed, an inner lid on which the first packing is mounted, and a second packing for maintaining airtightness between the body and a bearing portion of the rotary drum, The adjacent surface of the packing 1 into the rotating drum is in contact with the corner portion of the opening of the body, and is provided integrally with the inner lid and protrudes inwardly from the rotating drum. Second pack Clothes dryer material to be dried in the rotating the drum covered by the ring inner peripheral portion is not exposed so as not to contact.

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