JPS6066797A - Clothing dryer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Technical Field) The present invention relates to a rotating drum type clothes dryer.

(Prior Art) Conventionally, in this type of clothes dryer, as shown in FIG. An air intake part 3 is formed respectively, and an air discharge part 4 consisting of a large number of small holes is formed in the center of the rear end surface of the drum, and hot air is circulated from the air intake part 3 toward the air discharge part 4 within the one-rotation drum l. As a result, clothes, etc. are dried by bringing the hot air into contact with the dried clothes.

However, in the past, the air exhaust part 4 was formed at the center of the rear end surface of the rotating drum l, whose position does not change with rotation.
A portion of the hot air flowing toward the air discharge section 4 passes through the rotary drum 1 without contacting the dried material and is discharged as is, resulting in large heat loss and poor drying efficiency. .

(Purpose) The present invention has been made in view of the above points, and includes forming a circular opening in the end face of a one-rotation drum, fixing an end plate that closes this opening to the outer casing side, and attaching the end plate to the end plate. On the other hand, by installing a rotary drum so that it can rotate freely and providing an air discharge part in the lower part of the end plate, all of the hot air comes into contact with the dry items such as clothes, minimizing heat loss and significantly improving drying efficiency. This is what I did.

(Example) The example of the present invention shown in FIGS. 2 and 3 will be described in detail below.

Reference numeral 11 denotes an outer casing, which has a clothing input opening 12 on the front and a door 13 for opening and closing the opening. Reference numeral 14 denotes a rotary drum having a clothing input opening 16 at the front end surface of the cylindrical body, that is, the center of the front plate 15, and an air intake section 17 consisting of a large number of small holes formed on the outer periphery of the opening 16. It has a circular lateral opening 18 whose center coincides with the center of rotation of the rotating drum 14, and a plurality of baffles 19 extending in the axial direction are formed on the inner surface of the cylindrical body. , 20 is an annular front cover fixed to the inner front surface of the outer casing 11, which has a cross-sectional opening shape, and has a bearing material 21 attached to the inner circumferential surface of the inner circumferential flange and a sealing material 22 attached to the outer circumferential flange. do. Reference numeral 23 denotes a disk-shaped end plate fixed to the inner back side of the outer housing 11 with an angle 24, and a bearing material 25 is attached to the outer periphery of the end plate. The rotary drum 14 is rotatably supported by fitting the clothing input opening 16 inside the bearing material 21 and fitting the circular opening 1B to the outside of the bearing material 25, respectively. is substantially horizontal, and the circular opening 18 is closed by the end plate 23.

Reference numeral 26 denotes an air discharge section consisting of a large number of small holes provided in the lower part of the end plate 23, and is set at a position particularly on the outer periphery and offset in the direction of rotation of the rotary drum 14 (in the direction of the arrow). During operation, dry matter such as clothes tends to collect at a position offset from the bottom of the rotary drum 14 in the direction of the arrow due to the rotation of the rotary drum 14 and the action of the baffle 19, and air is discharged based on this position. The position of the portion 26 is determined.

27 is a filter provided inside the air exhaust part 26; 28
is an exhaust duct provided on the end plate 23 and projects outward from the outer casing 11.

Reference numeral 29 denotes an intake port provided at the lower front surface of the outer casing 11, and a filter 30 is attached to the front surface thereof. 31 is the intake port 2 on the suction side
A fan case provided in the outer casing 11 in accordance with 9,
The discharge side communicates with the inside of the front cover 20 via an intake duct 33 with a built-in heater 32. Reference numeral 34 denotes a two-wheeled motor installed at the inner bottom of the outer housing 11. A fan 35 is attached to the front end of the shaft in the fan case 31, and a pulley 36 is attached to the rear end of the shaft. A belt 37 is stretched between the cylindrical body of the rotary drum 14 and the cylindrical body of the rotary drum 14.

In the above configuration, when the heater 32 and the motor 34 are energized to start operation, the drum 14 rotates once and loosens dry items such as clothes by the action of the baffle 19.
Hot air generated by the fan 35 and the heater 32 enters the rotating drum 14 from the air intake section 17, flows inside the rotating drum 14 toward the air exhaust section 26, comes into contact with the dried material, contributes to drying, and then is discharged. Clothes, etc. are dried by exiting from the section 26 to the outside through an exhaust duct 28.

The flow of hot air during such operation is directed toward the air discharge section 26 located at the lower part of the end plate 23, that is, the lower rear end surface of the rotating drum 14, so that all of the hot air comes into contact with the drying material and is effective for drying. It acts on

Figure 4 is an exhaust temperature curve diagram comparing the present invention and the conventional one.As can be seen from this figure, the present invention (solid line
), the exhaust temperature is t'c lower than the conventional one (dotted line ◎), and the time required for drying is also T time shorter. In other words, the product of the present invention has low heat loss and high drying efficiency.

(Other Examples) 1) A porous member is provided over the circular opening 18 of the rotating drum 14, and this member prevents dry items such as clothing from coming into direct contact with the end plate 23.

In this way, the dried material will not rub against the fixed end plate 23 as the rotating drum 14 rotates, and damage to the fabric can be prevented.

2) An air exhaust part is provided on the front end surface of the rotary drum 14, that is, the lower part of the front plate 15, and it is fixed to the outer casing 11 side of the front plate 15, so that the rotary drum 14 can be rotated with six hinges with respect to the front plate 15. It may be provided. Of course, in this case, the air intake portion is formed on the rear end surface of the rotating drum.

Other 1 The present invention is not limited to the above-mentioned embodiments, but can be implemented in, for example, a dehumidifying type clothes dryer, and can be implemented with appropriate modifications within the scope of the gist.

(Effects) As described above, according to the present invention, all of the hot air circulating in the one-rotation drum can be brought into contact with the drying material and can be effectively used to dry the material, thereby reducing heat loss and increasing drying efficiency. Significant improvements can be extremely beneficial.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional view of a rotating drum in a conventional clothes dryer, and FIG. 2 is a side cross-section of the clothes dryer of the present invention: outer casing,
141 rotating drum, 17: air intake, 18: circular opening, 23: end plate, 26: air exhaust. Agent Patent attorney Aihiko Fuku (and 2 others) Figure 4

Claims (1)

[Claims] 1. A rotating drum having a rotation center in a substantially horizontal direction;
In a device that dries clothes, etc. by circulating hot air within this rotating drum. The rotating drum has an air intake portion formed on one end surface of the inner cylindrical body, and a circular opening whose center coincides with the rotation center on the other end surface, and an end plate that closes this circular opening. What is claimed is: 1. A clothes dryer, comprising: fixed to an outer casing side, a rotary drum rotatably provided to the end plate, and an air discharge section provided at a lower portion of the end plate. 2. The clothes dryer according to claim 1, wherein the air discharge portion is provided at a lower portion of the end plate and is offset in the rotational direction of the rotary drum.