JP2005180914A - Electric heater - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable the replacement of a front reflector in a short time even in the case of contamination or deformation thereof in an electric heater. <P>SOLUTION: The front reflector 13 is supported by a plurality of protruding parts 14a of side reflectors 14 provided on the left and right sides. An old front reflector can be removed only by being pulled out toward the front, and the new front reflector 13 can be mounted only by being putting on the protruding parts 14a of the left and right side reflectors 14. Accordingly, the replacement can be performed in a short time. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a configuration of a main body of an electric stove.

  In the conventional electric stove of this type, the reflector on the back surface of the heater is fixed to the side reflector.

  FIG. 5 shows a configuration of a conventional method for fixing a reflector of an electric stove. A front reflector 2 is arranged on the back side of the heater 1 and a plurality of claws provided at the end of the front reflector 2 are shown. The part 3 is inserted into the holes 5 of the left and right side reflectors 4, and the claw part 3 of the front reflector 2 is bent and fixed. Further, as shown in FIG. 6, the left and right side reflectors 4 are fixed to a body 6 having a substantially U-shaped cross section by screws 7 from the front side, and the left and right side plates 8 are fitted from the side and screws 9 from below. It was configured to be fixed.

  In some cases, the front reflector is fixed by a cut and raised portion provided on the side reflector. Or there exist some which provided the contact body in the heat generating body, and fixed a front reflector with the holding part and contact body which were provided in the side part of the front reflector.

  However, in the conventional electric stove, when the front reflector 2 is soiled or deformed and replaced, the front reflector 2 and the side reflector 4 fold and fix the claw portions 3 of the front reflector 2. Therefore, when replacing the front reflector 2, all the claws 3 of the old front reflector 2 are folded back horizontally, removed from the holes 5 of the left and right side reflectors 4, and the claws 3 of the new front reflector 2 are left and right. Since it had to be inserted again into the hole 5 of the side reflector 4 and bent, there was a problem that it took a long time to replace it.

  Further, since the front reflector 2 is disposed on the back side of the heater 1, the front reflector 2 is at a high temperature, and the end of the front reflector 2 and the side surfaces of the left and right side reflectors 4 are in contact with each other. 4 had a problem of high temperature.

  Further, since the side reflector 4 is fixed to the body 6 with screws 7 from the front side, the screws can be seen from the front and the appearance is unsightly, and when the side reflector 4 is fastened to the body 6 with screws 7, the tip of the driver is For example, the surface of the side reflecting plate 4 is damaged because the screw 7 does not fit well.

  Further, since the left and right side plates 8 are in contact with the left and right side reflectors 4 that are hot, the side plate 8 is hot and a material having high heat resistance must be used.

  On the other hand, in the configuration described in Patent Document 1, it is necessary to fasten the front reflector together with the side reflector using screws (screws), and for positioning the arc-shaped back part of the front reflector. It is necessary to insert a nail into the front reflector, and there is a problem that assembly work and replacement work of the front reflector are not easy.

  Furthermore, in the configuration described in Patent Document 2, it is not necessary to insert the screws into the claws or tighten the screws during the assembly or replacement of the front reflector. Since it was fixed, it had the subject that a heat generating body had to be removed at the time of replacement | exchange.

  In order to solve the above-mentioned conventional problems, the electric stove of the present invention supports the back surface of the front reflector with a plurality of convex portions of the side reflector.

  According to the above invention, the old front reflector can be removed simply by pulling it forward, and the new front reflector can be attached by simply placing it on the right and left side reflectors. can do.

  The electric stove of the present invention can be removed by simply pulling the old front reflector in the forward direction, and can be installed by simply mounting the new front reflector on the multiple convex parts of the left and right side reflectors. can do.

  1st invention is equipped with the substantially box-shaped body which opened the front surface, the heater provided in the inside of the body, the front reflector provided in the back surface of the heater, and the side reflector provided in the right and left of the front reflector. The front reflector is curved in a substantially parabolic shape, the left and right side reflectors are provided with a plurality of convex portions on the parabola, and the front reflector is only brought into contact with the convex portions of the side reflector. By supporting it, the old front reflector can be removed by moving it forward, and the new front reflector can be attached simply by placing it on the plurality of convex portions of the left and right side reflectors.

  In the second invention, in particular, the plurality of convex portions of the side reflector of the first invention are cut and raised toward the front reflector, and the production of the convex portions becomes easy.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the present embodiment.

(Embodiment 1)
1 is an exploded perspective view of an electric heater according to a first embodiment of the present invention. FIG. 2 is a sectional view of the electric heater.

  In the figure, a heater 12 is provided behind a front body 11 having an open front surface, and a front reflector 13 having a substantially parabolic cross section is provided on the back surface of the heater 12. The back surface of the front reflector 13 is supported by a plurality of convex portions 14a projecting to the front reflector 13 side of the side reflectors 14 disposed on the left and right. Then, the hole 15a of the heater mounting member 15 disposed in front of the side reflector 14 and the hole 14b of the side reflector 14 are disposed rearward of the protrusions provided on the upper and lower parts of the body 16. It inserts into the convex part 16a, and is inserted | pinched and fixed by the recessed part 11a provided in the upper part and the lower part of the front body 11. FIG. Further, the bottom of the side reflector 14 is fitted in a groove 16 b provided in the rear body 16. An upper body 17 is sandwiched between the front body 11 and the rear body 16 and fixed above the front body 11 and the rear body 16. Connected to the heater 12 are a power cord 18, a changeover switch 19 for switching the capacity, and an overturn switch 20 for stopping energization when the main body falls over. In addition, the some convex part 14a which protruded to the front reflector 13 side of the side reflector 14 may be a cut and raised protruding to the front reflector 13 side.

  Next, the operation will be described. Since the front reflector 13 is supported by a plurality of convex portions 14a protruding to the front reflector 13 side of the side reflector 14, and sandwiched between the concave portions 11a of the front body 11 and the convex portions 16a of the rear body 16, it is fixed. When the front reflector 13 is soiled or deformed and replaced, the front body 11 and the rear body 16 can be removed, and the old front reflector 13 can be removed simply by pulling it forward. Since it can be attached only by placing it on an appropriate number of convex portions 14a of the reflector 14, it can be replaced in a short time.

  Further, since the holes 14b of the side reflector 14 are inserted into the appropriate number of protrusions 16a of the rear body 16 and are sandwiched and fixed by the appropriate number of recesses 11a of the front body 11, it is fixed to the front surface. Can be fixed without using screws.

(Embodiment 2)
FIG. 3 is an exploded perspective view of an essential part of the electric heater according to the second embodiment of the present invention. In addition, the thing of the same code | symbol as Example 1 has the same structure, and abbreviate | omits description.

  The difference from the first embodiment is that a gap 21 is formed between the end portion of the front reflector 13 and the side surfaces of the left and right side reflectors 14 that are at a high temperature.

  Next, the operation will be described. Since the gap 21 is provided between the front reflector 13 and the left and right side reflectors 14 that are at a high temperature, heat conduction from the front reflector 13 to the left and right side reflectors 14 is reduced, and the temperature of the left and right side reflectors 14 is reduced. Can be reduced.

(Embodiment 3)
4 (a) and 4 (b) are perspective views of essential parts of an electric heater according to Embodiment 3 of the present invention. In addition, the thing of the same code | symbol as Example 1 has the same structure, and abbreviate | omits description.

  The difference from the first embodiment is that a gap 22 is formed between the front surfaces of the left and right heater mounting brackets 15 that become high temperature, and the front surface of the front reflector 13 and the end portion 11b of the front body 11.

  Next, the operation will be described. Since the gap 22 is provided between the front reflector 11 and the left and right heater mounting brackets 15 and the front body 11 that are heated to high temperatures, heat conduction from the front reflector 13 and the left and right heater mounting brackets 15 to the front body 11 is improved. Since the temperature is reduced, the temperature of the front body 11 can be lowered, and the structure can be configured without using a material having high heat resistance.

  As described above, the electric stove according to the present invention makes it easy to attach and replace the reflector.

1 is an exploded perspective view of an electric heater according to Embodiment 1 of the present invention. Cross section of the electric heater The principal part disassembled perspective view of the electric heater in Embodiment 2 of this invention (A) Perspective view of main part of electric stove in embodiment 3 of the present invention (b) Cross-sectional view of the main part of the electric stove The main part exploded perspective view of the conventional electric stove External view of a conventional electric heater

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Heater 11 Front body 13 Front reflector 14 Side reflector 14a Convex part of side reflector 15 Heater mounting bracket 16 Rear body

Claims (2)

A front box having a substantially box-shaped body, a heater provided inside the body, a front reflector provided on the back of the heater, and side reflectors provided on the left and right of the front reflector; The reflector is curved in a substantially parabolic shape, the left and right side reflectors are provided with a plurality of convex portions on the parabola, and the front reflector is only brought into contact with the convex portions of the side reflector. Electric stove that supports the board. The electric stove according to claim 1, wherein the plurality of convex portions of the side reflector are cut and raised toward the front reflector.

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