JPH02103Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Technical Field of the Invention> The present invention relates to a heating cooker whose main body is composed of a hot plate heated by a heater and a guard that covers the bottom of the hot plate. In particular, the present invention relates to improvements in the mounting structure of the guard and the hot plate.

<Prior Art> As shown in FIG. 7, a conventional heating cooker of this type has a sheathed heater 2 on the bottom surface, a hot plate 1 on the top surface that allows direct cooking, and a heating plate 1 for safety. a guard 9 that covers the bottom of the hot plate 1;
The main body was constituted by handles 5 provided on both left and right sides for fixing the two. Note that 6 is a lid that is placed over the hot plate 1, 7 is a handle thereof, and 3 is a mounting foot provided protruding from the lower surface of the hot plate 1. In addition, the handle 5 is connected to the hot plate 1.
The guard 9 is installed on both sides of the handle 5, and is attached to the mounting foot 3 with screws 3A via a metal spacer tube 4 between the handle 5 and the hot plate 1, and then the guard 9 is engaged with the handle 5. was.

In a conventional heating cooker having such a structure, a hot plate 1 is fixed to a handle 5 made of a highly heat-resistant synthetic resin, and this handle 5 is combined with a guard 9. In this case, the temperature of the screw 3A that fixes the handle 5 to the hot plate 1 is approximately 150°C when the hot plate 1 is at 200°C.
It is ℃. Therefore, it is necessary to use an expensive synthetic resin with a heat resistance temperature of 150° C. or higher for the handle 5 and the guard 9, resulting in a problem of increasing the cost of the cooking device.

<Summary of the invention> In view of the above problems, the present invention improves this and
This was devised to provide an inexpensive, structurally superior, and easy-to-use heating cooker.

That is, the present invention provides a heating cooker in which a hot plate and a guard covering the bottom of the hot plate are freely attached and detached, and an insertion hole in which a heater terminal bar of the hot plate is exposed to a peripheral wall of the guard. The guard is provided with a guide hole through which the part is freely attached and detached and supported, and a lock member that is detachably engaged with the engagement part formed on the bottom of the hot plate is provided in a part of the guard opposite to the guide hole position. While being operable from the outside, the peripheral edge of the bottom wall of the hot plate at a portion opposite to the position of the insertion port is bulged outward to form an oil groove on the inner surface and a handhold portion on the outer surface. It is a heating cooker.

<Embodiment of the invention> Hereinafter, a heating cooker of the invention will be described based on an embodiment shown in FIGS. 1 to 6.

That is, in these figures, 11 is a hot plate made of aluminum die-casting, and a sheathed heater 12 is integrally cast on the lower surface. Reference numeral 13 denotes a mounting foot protruding from the lower surface of the hot plate 11, and is formed at the center of the lower surface. Reference numeral 14 denotes a heat shield plate, which is attached to the mounting leg 13 with screws 13A. Note that this heat shield plate 14 covers the heater 12 and has two support legs 15 attached to the bottom surface. Reference numeral 16 denotes an insertion port that covers the mouth of the heater 12, and is attached to the hot plate 11 with a screw (not shown) via a spacer 17 to protect the terminal bar 18 at the tip of the heater 12 from external force. A guard 19 covers the bottom of the hot plate 11. The hot plate 11 and the guard 19 are such that the guide hole 20 formed integrally with the guard 19 and the insertion opening 16 match, and the latch 21 as an engaging part attached to the hot plate 11 and The hot plate 11 is fixed to the guard 19 by being engaged with a lock button 22 as a locking member. Reference numeral 23 designates a box equipped with the lock button 22, which contains a compression spring 24 for constantly pressing the lock button 22, which is covered by a mounting plate 25 and attached to the guard 19 by screws 25A. In addition, the lock button 2
2 is the push part 26 that appears on the surface of the guard 19 and the guard 1
9 and an engaging portion 27 located between the hot plate 11. Reference numeral 28 denotes a push-up spring, which is press-fitted into a convex portion 29 formed on the guard 19 and fixed therein. The shape of the push-up spring 28 is such that the diameter increases upward, and the upper part 30 is shaped such that the spring end is bent linearly at the center of the end face, as shown in FIG. The upper part 30 of the push-up spring 28 presses against the bottom surface of the latch 21 attached to the hot plate 11. 31
1 is a bulge formed by bulging outward the peripheral edge of the bottom wall at a portion opposite to the position of the insertion port 16 of the hot plate 11, and an oil groove 31A is formed on the inner surface and a handhold portion 31B is formed on the outer surface. do.

Reference numeral 33 denotes a main body leg formed on the bottom surface of the guard 19, which is used for winding a cord. Note that a hole 35 is formed above the cord support piece 34 of the main body leg 33. 36 is a rubber foot press-fitted into the main body leg 33. 37 is guard 19
This is an air intake port formed on the bottom of the 38 is the lid,
39 is a handle, and 40 is a controller.

In the heating cooker having the above configuration, the controller 40 is inserted into the insertion port 16 and the sheathed heater 12 is heated.
There is no difference from the conventional method in that desired cooking can be performed on the hot plate 11 by energizing the controller 40 and setting the temperature scale of the controller 40 to a desired temperature.

Next, a method of separating the hot plate 11 and the guard 19 will be explained.

When the push part 26 of the lock button 22 is pressed, the engaging part 27 is released from the latch attached to the bottom surface of the hot plate 11, and the push-up spring 28 causes the hot plate
lift up. As shown in FIG. 4, the hot plate 11 is taken out and separated by placing a finger on the hand grip 31B on the back side of the oil groove 31A. This allows the hot plate 11 to be cleaned. Next time you combine, guard 1
When the insertion port 16 is inserted into the guide hole 20 formed in the hole 9 and the portion of the hot plate 11 on the opposite side of the insertion port 16 is pushed from above, the latch 21 is attached to the lock button 22.
engages and the combination is completed.

According to the heating cooker having such a configuration, the heating plate 1 is connected to the handle 5 as in the conventional heating cooker shown in FIG.
Instead of fixing the handle 5 to the guard 9, the guide hole 20 and the insertion hole formed in the guard 19 can be used without impairing the safety effect of the guard 19 that covers the hot plate 11. Since the lock button 22 and the latch 21 are engaged with each other at the other end of the part 16, the guard 19 is connected to the hot plate 1.
There are three places where heat is conducted from the heat shield 1: the guide hole 20 and the insertion port 16, the lock button 22 and the latch 21, and the support legs 15 and the guard 19 attached to the heat shield plate 14. In this case, the insertion part 16 that covers the mouth part of the heater 12 needs to be made of heat-resistant resin, but actual measurements for other parts show that when the hot plate temperature is 200°C,
℃ or less, allowing the use of inexpensive resins.
Furthermore, the temperature of the contact portion between the insertion port 16 and the guard 19 is low, and the guard 19 is not affected by heat.

Moreover, according to this configuration, the hot plate 11 and the guard 1
9, the latch 21 and lock button 22 are engaged by inserting the insertion opening 16 that covers the mouth of the heater 12 into the guide hole 20 formed in the guard 19 and pressing the opposite side of the hot plate 11. The heating plate 11 can be removed by pressing the lock button 22 when it is removed.
It has the advantage of being extremely easy to clean after cooking.

Furthermore, the peripheral wall of the bottom wall of the hot plate 11 at a portion opposite to the position of the insertion port 16 is bulged outward to form an oil groove 31A on the inner surface and a handle portion 31B on the outer surface. 11 and the guard 19, press the lock button 22 to release the engagement with the latch 21,
When trying to take out the hot plate 11, the hot plate 11 can be easily taken out by placing the hand on the hand grip 31B, and this hand grip 31B can also be used when moving or cleaning the hot plate 11 itself. It's convenient.

In this embodiment, the heat shield plate 14 is attached to the mounting foot 13 formed integrally with the heat plate 11 by screws 13A.
The heat shield plate 14 is provided with support legs 15 in a direction perpendicular to the insertion port 16.
The bottom of the support leg 15 is in contact with the inner bottom surface of the guard 19, and the heating plate 11 does not wobble, making it easy to cook. Further, when the hot plate 11 and the guard 19 are separated, the hot plate 11 does not directly touch the floor, so it is safe.

<Effects of the invention> As explained above, according to the invention, by improving the mounting structure of the hot plate and the guard, it is possible to eliminate the use of expensive synthetic resin with a high heat resistance temperature as the parts where the hot plate and the guard are attached. In addition, it is possible to easily attach and detach the hot plate and the guard, making it inexpensive and easy to use. Since an oil groove is formed on the inner surface and a handle part is formed on the outer surface, it is easy to use when separating the hot plate and guard, or when moving or cleaning the hot plate.
There is an advantage that these operations can be easily performed by placing the hand on this handhold portion.

[Brief explanation of the drawing]

Figures 1 to 6 are views showing one embodiment of the heating cooker of the present invention, in which Figure 1 is a sectional view taken along the line A-A in Figure 3, Figure 2 is an exploded perspective view, and Figure 3 is a plan view with the lid removed, Figure 4 is a longitudinal sectional view when the hot plate is taken out from the guard, Figure 5 is a sectional view taken along the line B-B in Figure 3,
FIG. 6 is an enlarged perspective view of a push-up spring and a convex portion, and FIG. 7 is a sectional view showing a conventional heating cooker. 11... Hot plate, 12... Heater, 16... Inlet part, 19... Guard, 20... Guide hole, 21...
...Latch, 22...Lock button, 31...Bulging part, 31A...Oil groove, 31B...Handhold part.

Claims (1)

[Scope of utility model registration request] In a heating cooker in which a hot plate and a guard that covers the bottom of the hot plate are detachably configured, an insertion opening portion through which a heater terminal rod of the hot plate is exposed freely passes through a peripheral wall of the guard. In addition to providing a guide hole to be supported, a locking member is provided in a portion of the guard opposite to the guide hole position to be detachably engaged with an engaging portion formed at the bottom of the hot plate so as to be operable from the outside of the guard. On the other hand, a heating device characterized in that a peripheral edge of the bottom wall of the heating plate at a portion opposite to the position of the insertion port is bulged outward to form an oil groove on the inner surface and a handhold portion on the outer surface. Cooking device.