JPH08105631A - Heating cooker - Google Patents

Abstract

PURPOSE: To prevent broth, water, etc., from overflowing and dropping to enter functional parts of an operating panel during use of a heating cooker to improve safely. CONSTITUTION: An inclined operating panel 5 made of resin is provided on the front part of a box-like cooking top 1 on which a heating element 2 is mounted. A recessed part 14 is formed on an inclined face of the operating panel 5 and a rotatable operating knob 15 of a timer 7 is provided at the recessed part. A broth-entering preventing member 16 having a diameter close to the inner circumferential face of the recessed part 7 is provided on a bearing 15a of the operating knob 15 to prevent broth, water, etc., from entering functional parts from the circumference of the operating knob 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a cooker used in general households.

[0002]

2. Description of the Related Art In recent years, in pot cooking with a heating cooker, not only the heating efficiency, delicious cooking, and implementation by diversifying user's values, but also improvement in safety during operation is strongly demanded. It's coming.

An electric stove for a conventional heating cooker will be described below with reference to FIG. A disc-shaped heating plate 2 is set on a box-shaped top plate 1, and a sensing unit 3a of a thermostat 3 (not shown) for detecting temperature is installed in the center of the heating plate 2 so as to be vertically movable. . A heat shield plate 4 is provided below the heating plate 2. A front plate 5 and a rear plate 6, which are resin molded products also serving as legs, are fixedly connected to the front and rear portions of the top plate portion 1. Front plate 5
A timer 7 and a thermostat 3 are installed in the device, a plug receiver 8 is provided in the rear plate 6, and the body 9 and the cord 10 are connected by a magnet plug 11.

A recess 5a is provided in the front portion of the front plate 5, and the timer 7 and the thermostat 3 are attached to the recess 5a. A timer shaft 7a and a thermo shaft 3a penetrate through the hole formed in the center of the recess 5a to the outside of the body, and the operating knobs 12 are respectively provided on the shaft and the bearing portion 12a.
It is installed in. The diameter of the operation knob 12 is set to be close to the inner wall diameter of the recess 5a, and the operation knob 12 is rotatably installed in the recess 5a.

A roll pin 13 is attached to the timer shaft 7a, and a bearing portion 12a of the operating knob 12 is provided.
A notch is provided on the roll pin to lock the roll pin 1 by rotating the timer shaft 7a using the mainspring as a drive source.
The operation knob 12 is rotated by the function of 3.

With the above-mentioned configuration, for cooking, pots are set on the heating platen 2, the timer 7 and the thermostat 3 are set in desired states, and energization is started. The sensing part 3a of the thermostat 3 detects the temperature of the bottom surface of the pan in the contact state, and thereby widens the adjustment range from heat retention to boiling.

[0007]

However, in the above-mentioned conventional structure, when the broth is accidentally overflowed from the pans onto the bowl or the water is accidentally dropped onto the bowl during cooking, The fallen broth, water, etc. infiltrated between the outer periphery of the operation knob and the inner wall of the front plate recess. The infiltrated water entered the inside of functional parts such as timers and thermostats, causing the failure. Especially in the case of a timer, when the mainspring is used as the drive source, various gears are built in, so the infused juice and water may corrode parts, or the rotation drive of gears may be interrupted or stopped. I was in an unsafe condition by losing the timer function that caused an abnormal condition.

The present invention solves the above-mentioned conventional problems by using a cooker and spilling water from pots such as water,
An object of the present invention is to provide a safe cooking device by preventing internal infiltration into functional parts from falling on the body.

[0009]

In order to achieve this object, the first means of the present invention is to provide a heating element set on the top plate of the box and an upper surface of the box on the front of the box. And an operating plate inclined outward from the portion, a recess is provided in the inclined surface of the operating plate, and a timer in which an operating knob is rotatably mounted is provided in the recess, and the operating knob is provided. A broth intrusion prevention member having an outer diameter close to the inner peripheral wall surface of the recess is attached to the bearing part of the broth, and the broth infiltration prevention member is provided with a constant distance from the outer peripheral end of the operation knob in the timer axial direction. It has been installed.

In the second means, in addition to the first means, a flange portion is provided on the bearing portion of the operating knob, and a thin plate-shaped broth penetration preventing member is brought into contact with the flange portion and the bearing portion is CS.
It is fixed with a retaining ring.

In addition to the first means, a third means is provided with a collar portion on a bearing portion of the operating knob, and a simmering penetration preventing member of a rubber elastic body having a rhombic cross section is brought into contact with the collar portion. It is press-fitted and coupled to the bearing portion.

In addition to the first means, a fourth means is provided with a collar portion on the bearing portion of the operating knob, and the collar portion is brought into contact with the broth intrusion preventing member of the thin metal plate, and the broth infiltration is introduced. The prevention member is provided with a biasing notch on the periphery of the central hole,
It is formed into a cap shape by inclining from the central portion toward the outer peripheral portion in the direction of the concave portion of the operation plate, and the boiling water intrusion prevention member is press-fitted and coupled to the bearing portion by the cutout piece.

The fifth means is that, in addition to the first means, the operating knob and the broth infiltration preventing member are integrally formed by resin molding.

Further, a sixth means has a heating element set on a top plate portion of the box body, and an operation plate inclined outward from a top surface portion of the box body at a front portion of the box body, A recess is provided in the inclined surface portion of the operation plate, and a timer in which an operation knob is rotatably mounted is provided in the recess. The timer includes a switching spring for converting an electric circuit and a stopper pin on the timer shaft. An elastic packing having a diameter smaller than the length of the stopper pin is attached to the front end of the stopper pin by crimping to the timer shaft.

[0015]

[Operation] With this configuration, the broth and water are prevented from entering the timer of the functional parts from the gap between the operator and the operating knob when the broth and water fall on the operating plate, and the function of the timer is maintained to ensure safety. It is a guarantee.

[0016]

【Example】

(First Embodiment) A first embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1, 3 and 4,
A cast iron disc-shaped heating plate 2 in which a heating wire is embedded is provided in the center of a box-shaped enamel-processed steel plate top plate portion 1. A sensing portion 3a of a thermostat 3 (not shown) is attached to the center of the heating platen 2 so as to project from the upper surface of the heating platen 2, and the sensing part 3a is vertically movable. A heat shield plate 4 is provided below the heating plate 2. An operation plate 5, which is a resin molded product that also serves as a leg, and a rear plate 6 are fixedly connected to the front and rear portions of the top plate portion 1. The operation plate 5 is provided with the timer 7 and the thermostat 3, the rear plate 6 is provided with the plug receiver 8, and the body 9 and the cord 10 are electrically connected by the magnet plug 11. The bottom of the body 9 is the bottom plate 1
2, closed by the back plate 13, the thermostat 3 described above
Has a waterproof infiltration configuration.

The operation plate 5 is inclined downward from the upper surface of the box body, and a concave portion 14 is provided on this inclined surface to connect the timer 7 to the resin operation knob 15. It is rotatably mounted inside. A hole is provided in the center of the bottom surface of the recess 14, and the timer shaft 7a is penetrated toward the outside of the body 9. It should be noted that the drain hole 1 is provided below the bottom of the recess 14.
4a is provided.

The bearing portion 15a of the operation knob 15 and the timer shaft 7a are insert-coupled, and a broth infiltration preventing member 16 having an outer diameter close to the inner peripheral wall surface of the recess 14 is liquid-tight in the outer peripheral portion of the bearing portion 15a. Inserted in and fixed with adhesive. The boiled water intrusion prevention member 16 is made of a resin sheet such as acrylic or polyester, and is attached at a certain distance from the outer peripheral end of the operating knob 15 in the direction of the timer shaft 7a. The timer 7 is the timer shaft 7.
The roll pin 17 is attached to a, and the bearing 1
The operation knob 15 is rotated by the timer shaft 7a being rotated by using the mainspring spring as a drive source, which is locked to the cutout portion provided in 5a.

Further behind the roll pin 17, a timer 7 is provided.
A stopper pin 18 is provided at an appropriate position in the shaft portion in the main body direction, and is locked to a switching spring 19 of the main body of the timer 7 at the time of rotation so that the electric circuit is set and fixed at the continuous energization position. The above is the overall configuration, and the operation will be described below.

Cooking is started by placing pots on the heating platen 2, setting the timer 7 and the thermostat 3 as desired, and energizing them. The receiving part 3a of the thermostat 3 abuts on the bottom surface of the pan and plays a role of controlling a desired temperature.
Although cooking is to be ended together with the function, if the liquid is accidentally boiled, overflowed with water during cooking and dropped on the operation plate 5, the infusion of water and juice enters through the gap between the recess 14 and the outer periphery of the operation knob 15. However, since the boiled water intrusion prevention member 16 of the present invention is provided with a constant distance from the outer peripheral end of the operation knob 15 and the outer diameter is set in a state of being close to the inner wall surface of the recess 14, it serves as a prevention wall. As a result, the infused broth and water fall along the wall surface side of the broth infiltration prevention member 16 in the outer direction of the body,
Through the drain hole 14a provided in the lower portion of the recess 14 to the back plate 13
It is to prevent the timer 7 from penetrating into the body by passing through it to the floor surface.

(Embodiment 2) Next, referring to FIG. 5 and FIG.
This embodiment is an improvement of the first embodiment so that it can be mass-produced. A flange portion 15b is provided on the outer peripheral end of the operating knob 15 and the outer peripheral portion of the bearing portion 15a at a constant distance.
A thin plate-shaped broth intrusion prevention member 16 is provided on this flange portion, and is fixed by a metal CS retaining ring 20.

(Embodiment 3) Referring to FIGS. 7 and 8, a third embodiment will be described. The collar portion 15 provided on the bearing portion 15a of the broth infiltration preventing member 16 is made of a rubber elastic body having a rhombic cross section.
It is mounted between b and the roll pin 17 by press fitting to improve the assemblability.

(Embodiment 4) Referring to FIGS. 9 and 10, a fourth embodiment will be described. A broth infiltration preventing member 1 made of a thin metal plate.
6 is provided with a biasing notch piece 16a in the peripheral portion of the central hole portion for press-fitting and biasing coupling to the flange portion 15b of the bearing portion 15a, and the shape of the stew penetration preventing member 16 is directed from the central portion toward the outer peripheral portion. It is shaped like a shade toward the bottom of the concave portion 14 so that it is more effective even when a large amount of broth is infiltrated, and the cost is also improved.

(Embodiment 5) Referring to FIG. 11, a fifth embodiment will be described. The operating knob 15 and the broth infiltration preventing member 1
6 is integrated resin molding to further improve the cost.

(Sixth Embodiment) Sixth Embodiment in FIGS. 12 and 13
The elastic packing 20 is attached by pressure to the front portion of the stopper pin 18 of the timer shaft 7a, and an elastic member having a diameter smaller than the length of the stopper pin 18 is provided so as not to abut the switching spring 19 of the timer 7. The packing 21 is intended to prevent the infiltration of broth. This is to improve the ease of assembly of the body and the convenience of replacing parts services.

(Embodiment 7) Explaining a seventh embodiment with reference to FIG. 14, the gist is a combination of the first embodiment and the sixth embodiment. The effect of preventing liquid from entering the inside of the timer 7 is further improved.

[0027]

As described above, according to the present invention, as is apparent from the above description of the embodiment, the configuration in which the stew penetration preventing member is installed in the bearing portion of the operating knob installed in the concave portion of the inclined operating plate, and the bearing portion is further provided. A collar part is provided on the base, the boil-water intrusion prevention member is fixed with a CS type retaining ring, a diamond-shaped rubber elastic body boil-in fluid preventive member is pressed into the collar, and a biasing notch is provided in the central hole for operation. A thin metal broth penetration prevention member that is tilted in the direction of the plate recess and made into a hat shape is press-fitted, and the operation knob and the broth penetration prevention member are made of integral resin molding, and the front part of the stopper pin of the timer shaft is elastic. The body packing is crimped and attached to the timer shaft, and the boiled liquid intrusion prevention member is installed on the bearing part of the operating knob, and the elastic shaft packing is crimped and attached to the front part of the stopper pin of the timer shaft. And, the broth from the gap between the operation plate and the operation knob, water or the like is prevented from entering the internal timer, to maintain the function of the timer is to achieve a safe heating cooker.

[Brief description of drawings]

FIG. 1 is a sectional view of a heating cooker according to a first embodiment of the present invention.

FIG. 2 is a perspective view of the heating cooker.

FIG. 3 is an enlarged cross-sectional view of the main part of the heating cooker.

FIG. 4 is a perspective view of an operation knob of the heating cooker.

FIG. 5 is an enlarged sectional view of an essential part of a heating cooker according to a second embodiment of the present invention.

FIG. 6 is a perspective view showing a combined configuration of the heating cooker.

FIG. 7 is an enlarged sectional view of an essential part of a heating cooker according to a third embodiment of the present invention.

FIG. 8 is a perspective view showing a combined configuration of operation knobs of the heating cooker.

FIG. 9 is an enlarged sectional view of an essential part of a heating cooker according to a fourth embodiment of the present invention.

FIG. 10 is a perspective view showing a combined configuration of operation knobs of the heating cooker.

FIG. 11 is an enlarged sectional view of an essential part of a heating cooker according to a fifth embodiment of the present invention.

FIG. 12 is an enlarged cross-sectional view of a main part of a heating cooker according to a sixth embodiment of the present invention.

FIG. 13 is a front view showing a state in which the timer and packing of the heating cooker are attached.

FIG. 14 is an enlarged sectional view of an essential part of a heating cooker according to a seventh embodiment of the present invention.

FIG. 15 is a sectional view of a conventional cooking device.

[Explanation of symbols]

 1 Top plate part 2 Heat generating plate 3a Sensing part 4 Heat shield plate 5 Operation plate 6 Rear plate 7 Timer 7a Timer shaft 9 Instrument body 14 Recessed portion 15 Operation knob 15a Bearing part 15b Collar part 16 Boiled water intrusion prevention member 16a Energizing cutting Fragment 18 Stopper pin

Claims (6)

[Claims] 1. A heating element set on a top plate of a box,
An operation plate inclined outward from an upper surface of the box body is provided at a front portion of the box body, and a concave portion is provided in the inclined surface portion of the operation plate, and an operation knob is rotatably mounted in the concave portion. The operation knob is provided with a timer, and a broth intrusion prevention member having an outer diameter close to the inner peripheral wall surface of the recess is attached to the bearing portion of the operation knob, and the broth infiltration prevention member is an outer peripheral end of the operation knob. Heater cooker that is installed with a certain distance in the axial direction from the section. 2. A flange portion is provided on the bearing portion of the operating knob,
2. A thin plate-shaped broth infiltration preventing member is brought into contact with the collar portion, and the bearing portion is fixed by a CS type retaining ring.
The cooker described. 3. A flange portion is provided on the bearing portion of the operating knob,
The heating cooker according to claim 1, wherein a broth penetration preventing member having a rubber elastic body having a rhombic cross section is brought into contact with the flange portion and press-fitted to the bearing portion. 4. A flange portion is provided on a bearing portion of the operating knob,
A broth infiltration prevention member made of a thin metal plate is brought into contact with this collar portion, and the broth infiltration prevention member is provided with an urging notch at the peripheral portion of the central hole portion, and is operated from the central portion toward the outer peripheral portion. 2. The heating cooker according to claim 1, wherein the cooker is formed in a shaded shape by inclining in the direction of the plate recess, and the boil-water penetration preventing member is press-fitted to the bearing portion by the cutout piece. 5. The heating cooker according to claim 1, wherein the operating knob and the broth infiltration preventing member are integrally formed by resin molding. 6. A heating element set on the top plate of the box,
An operation plate inclined outward from an upper surface of the box body is provided at a front portion of the box body, and a concave portion is provided in the inclined surface portion of the operation plate, and an operation knob is rotatably mounted in the concave portion. The timer is equipped with a switching spring for electric circuit conversion and a stopper pin on the timer shaft, and an elastic packing having a diameter smaller than the length of the stopper pin is crimped to the timer shaft at the front part of the stopper pin. Cooker that becomes.