JPS6035517Y2 - Clothes dryer heater mounting part - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a heater mounting portion of a dryer that supplies heated air from a heater into a rotating drum provided in an outer box to dry clothes.

As a heating element for a heater used in the above-mentioned dryer, one in which a positive temperature characteristic thermistor is sandwiched between upper and lower electrode plates is already known.

Conventionally, methods for installing and fixing such a heater in a dryer include attaching a metal coupling piece directly to the heater and screwing this coupling piece, or fixing the heater inside a case and fixing the case with screws. In any case, the heater was fixed directly or indirectly inside the outer box using screws.

The purpose of this invention is to provide a mounting part that allows the heater to be installed simply by pushing it in by hand, without using screws or screws, etc. This eliminates the need for screwing, reducing the number of parts and simplifying the process. It is something that does.

According to the present invention, the insulating base on which the heating element of the heater is fixed is placed on a base made of synthetic resin, elastic locking pieces are provided downward from the left and right ends of the base, and the A heater for a clothes dryer, characterized in that a leg-shaped mounting body having an opening formed in the center through which air taken in from a suction port flows is provided in an outer box, and the elastic locking piece is hooked to the mounting body. Distantly related to the attachment part.

Hereinafter, embodiments will be described in detail with reference to the drawings.

FIG. 1 is a longitudinal sectional side view showing the entire dryer using the mounting portion of the present invention.

First, the dryer as a whole will be described. Reference numeral 1 denotes an outer box of the dryer, and a door 3 is pivotally attached to the front of the outer box 1 for opening and closing the opening of a cylindrical portion 2 through which laundry is taken in and taken out.

4 in the figure is a drum for storing laundry rotatably supported between a drum receiver 5 and a spherical bearing 6 provided inside the outer box 1 and along the outer periphery of the cylindrical portion 2; It is rotated by a motor 8 connected by a transmission belt 7.

Note that 9 is an idler biased by a spring 10.

Reference numeral 11.11' denotes an inlet provided on the back side of the outer box 1, and the outside air taken in through the inlet 11.11' is heated by a heater 13 placed on a base 12 made of a frame. heated.

14, the hot air heated by the heater 13 is transferred to the drum 4;
It is an annular felt that maintains airtightness between the cylindrical part 2 and the drum 4 in order to guide everything inside.

A fan 15 is connected to the motor 8 by a fan belt 16, and the fan 15 discharges the hot air that has passed through the drum 4 to the outside through an exhaust pipe 17 and an exhaust port 18.

Note that 19 is a felt that prevents outside air from entering between the drum 4 and the exhaust case 17.

Next, the main parts of the present invention will be explained with reference to FIGS. 2 and 3.

The heater 13 is a PTC thermistor 20 as a heating element.
is sandwiched between the upper electrode plate 21 and the lower electrode plate 22, placed on the insulating base 23, and the left and right end extensions 21 of the upper electrode plate 21
Bend A at right angles and attach the locking protrusion 23A of the insulating base 23.
The whole is assembled by fitting the two.

The insulating base 23 of the heater 13 has a flange 1 around the top surface.
It is placed on a synthetic resin base frame 12 having a diameter of 2A.

The elastic locking pieces 24, 24' with large cross sections are attached to the base frame 12 downward from the outer peripheral flanges 12B on the lower surface of the left and right ends of the base frame 12.
It is integrally molded and installed protrudingly.

A leg-shaped mounting body 26 having an opening formed in the center through which air taken in from the air intake port flows is integrally formed and protruded on the synthetic resin bottom plate 25 of the outer box 1, and the elastic locking pieces 24, 24 are provided integrally with each other.
', and hook the end locking protrusions of the elastic locking pieces 24, 24' into the fitting holes 26A of the mounting body 26, so that the base frame 12 is elastically attached to the mounting body 26 of the bottom plate 25. Lock it in place.

Furthermore, a locking piece 27 having a large cross section and bent in an L shape is provided protruding downward from the center end of the base frame 12, and this locks the mounting body 2.
If the flange etc. of 6 are sandwiched, the base frame 12
can be fixed to the bottom plate 25 more reliably.

Further, it is also possible to use a part of the flange of the synthetic resin bottom plate 25 without providing the mounting body 26 specially.

As described above, in the heater mounting part of the clothes dryer of the present invention, the heater is placed on the base, and elastic locking pieces are provided downwardly protruding from the left and right ends of the base. Since it is hooked onto a mounting body provided inside the outer box, attachment/detachment does not require screws, etc., as in the case of conventional methods, and can be simply inserted by hand.No tools are required, simplifying the process and reducing the number of parts. It is possible to achieve a reduction in the number of

Moreover, since the mounting body is formed with an opening so as not to impede the flow of air, there is no risk of impairing the supply of air from the suction port to the heater.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional side view of a clothes dryer using the heater mounting part of the present invention, Fig. 2 is a partially cutaway side view showing the main parts of the embodiment, and Fig. 3 is a longitudinal sectional side view of the same. . 1... Outer box, 4... Rotating drum, 12
...Base frame, 12A, 12B...Flange, 13...Heater, 20...-P
TC thermistor, 21... Upper electrode plate, 21A
...Extension part, 22...Lower electrode plate, 2
3... Insulating base, 23A... Locking protrusion, 24.24' elastic locking piece, 25... Bottom,
26...Mounting body.

Claims (1)

[Scope of utility model registration request] In a dryer structured to supply heated air from a heater 13 to dry clothes, an insulating base 23 to which a heating element 20 of a heater 13 is fixed is placed in a rotating drum 4 provided in an outer box 1. The base 12 has an elastic locking piece 24, 24' projecting downward from the edge thereof, and the air suction port 11, 11.
The elastic locking piece 2 has a leg-shaped mounting body 26.26 having an opening formed in the center through which air taken in from the elastic locking piece 26 is formed.
4.24' is hooked onto the mounting body 26.26. A heater mounting portion for a clothes dryer.