JPH085087A - Heating cooker pan - Google Patents

Abstract

PURPOSE:To inexpensively provide a pan with legs which has excellent convenience and satisfactory external appearance by holding a leg end with a calling formed on an upper end of the pan, and positioning the leg end with use of uneven fitment, and further freely setting the leg to an accomodation state and a use state thereof by making use of rotation of a side wall surface around the center of the uneven fitment. CONSTITUTION:A pan is constructed such that a leg and is held with a spiral carling 2 formed on an upper end of a pan side wall 1a, and the leg end is positioned with use of the uneven fitment, and further the leg is freely set to an accomodation state and a use state by making ues of rotation on a side wall 1a surface around the uneven fitment 3a, 1b. That is, a metal wire material is folded such that opposite ends of the wire material become one end of the leg 3, and a rotational protrusion or a rotational recess is formed on the heat resistant resin leg end where the opposite ends are subjected to insert molding, and further a rotational recess or a rotational protrusion 1c is formed on the side wall of the pan. Hereby, there is ensured the pan where it is subjected to the uneven fitment.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tray for placing food used in heating cookers such as ovens and microwave ovens, and more particularly to cost reduction and improvement of rotatable legs.

[0002]

2. Description of the Related Art A saucer of this kind used as an accessory to a microwave oven generally has a structure disclosed in Japanese Patent Publication No. 61-14422 as shown in FIGS. Three foldable legs 21 are provided on the back of the saucer 20, and when used for oven cooking, the legs 21 can be erected and placed on a turntable for two-stage cooking, and after use, the legs 21 can be folded to form a microwave oven. It has been designed so that it can be stored in the accessory storage section provided on the.

Reference numeral 23 is an insulating material such as ceramic or insulator coated on the bent portion of the upper end of the leg 21, and 24 is the leg 21.
It is a resin geta attached to the tip of the.

[0004]

The conventional mounting structure of the leg 21 provided on the tray 20 described above is spot-welded to the support 22 on the outer bottom surface, and the leg 21 is fitted into the pivot hole provided on the support 22. Since it has a structure that pivotally supports the end,
In the case where the tray is made of stainless steel plate and is not subjected to surface treatment such as enameling, the bottom surface of the tray has a spot mark, which is not preferable in appearance, and the cost of the support 22 made of stainless steel plate and the outer bottom surface There was a problem that the fixing work cost increased.

Further, since the legs 21 are folded on the outer bottom surface of the receiving tray 20, the height of the folded state of the receiving tray 20 is high.
The problem is that the height is about twice the height of the storage space and the storage capacity increases (in the case of a net rack, the problem can be solved by using the rotatable legs disclosed in FIGS. 4 and 5 of Japanese Utility Model Laid-Open No. 56-164403). In addition to the problems that have been solved), since the end faces of the legs 21 and the support 22 are exposed, there is a risk of injury during handling.
Furthermore, in order to be able to use even during high frequency heating, it is necessary to insulate the metal parts so as not to generate sparks at the contact parts, which is a factor of high cost.

[0006] On the other hand, in order to take out the saucer after heating and cooking, it is necessary to use mittens (insulating gloves), which is not convenient. On the other hand, if the legs are made of wire rod, there is a problem that it is difficult to distinguish from the cooking net having the wire rod legs by the optical sensor type accessory detection means provided in the heating cooker.

[0007]

According to a first aspect of the present invention, the leg ends are sandwiched by the curling 2 formed at the upper end of the tray 1 and positioned by concave and convex fitting, and concave and convex fitting 3a, 1
By rotating the side wall 1a around b, the leg is set freely in the stored state and the used state. Claim 2
In the invention, as a specific structure, a metal wire rod is bent and formed so that both ends of the wire become one end of the leg 3, and the both ends are turned to a leg end 4 made of heat-resistant resin insert-molded. By forming the moving convex portion or the turning concave portion 4a and forming the turning concave portion or the turning convex portion 1c on the side wall of the dish, the receiving tray is formed by fitting the concave and convex portions.

According to the third aspect of the present invention, the leg 5 is entirely made of heat-resistant resin, and one end of the leg 5 has a turning convex portion or a turning concave portion 4a.
Forming a rotary concave portion or a rotary convex portion 1 on the side wall of the tray.
By forming d, a saucer is formed by fitting concave and convex.

According to a fourth aspect of the invention, the handle 4 for moving the tray is provided.
e or 6 is used as a saucer integrally formed with the heat-resistant resin leg end 4 or leg 5. The shape of the handle 6 may be one in which the outer shape of the leg is easily gripped or one in which unevenness is provided on the surface, and is not limited to the embodiment.

According to a fifth aspect of the present invention, the optical sensor type accessory detecting means 15 and 16 provided in the heating cooker are used to detect that the saucer with the legs set in use is being used. The receiving part is a pan integrally formed on the free end side of the leg 5 made of heat-resistant resin. The detected portion may be variously configured depending on the number and size of the holes, and needless to say, may not have the holes.

[0011]

According to the first aspect of the present invention, the leg ends are clamped by the curling 2 of the tray and positioned by the concave and convex fitting, and the leg 3 is directly attached to the outer surface of the side wall 1a of the tray 1.

According to the second aspect of the present invention, both ends of the metal wire rod forming the leg 3 are covered with the leg end portions 4 made of heat-resistant resin, so that the risk of injury is reduced.

According to the third aspect of the present invention, since the entire leg 5 is made of heat-resistant resin, there is no fear of sparking, and the number of manufacturing steps of the leg 5 is reduced.

According to the fourth aspect of the present invention, since the handle 6 made of resin having a low heat conductivity is provided, the saucer after heating and cooking can be carried with bare hands.

According to the fifth aspect of the present invention, the accessory detection means 1 for detecting the accessory 14 such as a cooking net or a defrosting net having a low height.
It can be accurately detected by the shape of the detected portion that the saucer set in the used state by using 5, 16 is used.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the tray according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a side view of the tray with the legs set to the storage state, and FIG. 2 is a perspective view of the tray when the legs are set to the use state as seen from the bottom.

Reference numeral 1 denotes a food tray used for cooking in an oven, which is formed by drawing a stainless steel plate into a dish shape. 1 is a spiral curling formed on the upper end of the saucer side wall 1a, and 3 is a leg made of a metal wire rotatably attached to the saucer side wall 1a.
As shown by the arrow in the figure, it is possible to set a parallel state (stored state) indicated by a solid line and a perpendicular state (used state) indicated by a broken line with respect to the bottom surface. Further, the legs 3 are curved in an arc shape so as to extend along the tray side wall 1a in a parallel state.

A structure for rotatably mounting the leg 3 on the side wall 1a is shown in FIG.
A description will be given based on a sectional view taken along the arrow. The leg 3 formed by bending the wire into a U-shape has a circular concave portion 3a formed in a concave-convex shape, which forms a rotating structure, on one end of the wire, and the other end of the leg 3 has a U-shape.
A straight portion 3b is formed by bending toward the circular recess 3a so as to close the opening of the letter, and in addition to having a function of supporting the saucer by engaging with the curling 2 in a used state, both wire ends are The shape is not exposed to the outside. Then, the convex portion 1 that is fitted in the concave portion 3a
b is formed by squeezing outward from the side wall 1a, and the convex portion 1b and the concave portion 3a are fitted in the concave and convex portions to form a rotating structure. This rotating structure is held by the curling 2 sandwiching the wire rod forming the recess 3a.
The leg 3 has an appropriate rotation resistance due to the clamping force of the curling 2, but the convex portion 1 prevents the leg 3 from easily rotating in the use state.
c is formed by squeezing outward from the side wall 1a and held by a snap action.

FIG. 5 is an enlarged view of an essential part showing a modified example of a leg made of a metal wire rod. The recess 3c is formed by flattening one wire end of the leg 3 by header processing and punching a flat hole. It is a thing.

Next, another embodiment will be described with reference to the enlarged side view of the main part shown in FIG. 6 and the sectional view taken along the line BB shown in FIG. Both ends of the leg 3 formed by bending the wire into a U-shape are insert-molded with a heat-resistant resin such as PPS (polyphenylene sulphite ... trade name Toray Ryton R4, R10) into a resin leg end 4, A concave-convex fitting concave portion 4a that constitutes the turning structure is formed, and two concave portions 4b for providing a snap action to the turning operation of the leg 3 in the stored state and the used state are provided. Then, the convex portion 1d and the concave portions 4b, 4b which are fitted into the concave portion 4a by concave and convex are provided.
The convex portions 1e and 1e which are fitted in the concave and convex portions are formed by squeezing outward from the side wall 1a, and the convex portion 1d and the concave portion 4a are fitted in the concave and convex portions to form a rotating structure. Cause the snap action due to the uneven fitting. The turning structure is held by the thin portions 4c formed at the leg ends being sandwiched by the curling 2. Further, a groove 4d that engages with the curling 2 for firmly holding the leg 3 in use is provided at the center upper end portion of the leg end portion 4, and further protrudes outward to move the L-shaped tray. A handle 4e is provided.

As yet another embodiment, it is conceivable to mold the entire leg with a heat-resistant resin to prevent the metal parts from contacting each other in order to use the pan at the time of high-frequency heating. By molding the entire leg with resin, the conventional technology of Japanese Patent Publication No.
It is not necessary to cover the insulating material disclosed in No. 2 or attach resin geta to the tip of the leg.

Further, as shown in the side view of the main part of the tray in FIG. 8, a handle 6 for moving the tray is integrally formed on the resin leg 5. The handle 6 is formed by making a hole from a position 1 cm to 2 cm lower than the bottom surface of the tray 1 to a position 2 cm to 3 cm higher than the lower end of the leg. The fingertip is inserted into the hole and the leg 5 is gripped to hold the tray 1 Care is taken not to touch the bottom of the hot pan with your fingertips when moving the. On the other hand, the upper end portion of the leg 5 has a curling 2 for firmly holding the leg 5 in use.
A groove for engaging with. The lower part of the hole is a part to be detected for detecting that the saucer with the leg set to the use state is used by the optical sensor type accessory detection means provided in the heating cooker described later. Used.

FIG. 9 is a schematic view of an optical sensor type accessory detecting means provided in the heating cooker disclosed in Japanese Utility Model Laid-Open No. 63-60805, and 11 is a heating box, 1
2 is a turntable provided at the bottom of the heating box, 13 is a turntable motor for rotating the turntable 12,
14 is an accessory placed on the turntable 12, 15 and 1
Reference numeral 6 denotes a light emitting element and a light receiving element which constitute the optical sensor type accessory detecting means, and the legs 14a of the accessory 12 are arranged so as to block light rays when the accessory 14 rotates on the turntable 12. As shown in FIG. 10A, the light receiving element 16 is connected in series with the current limiting resistor 17 and the power source, and is turned on when the light from the light emitting element 15 is incident.
The output terminal, which is a connection point with the, becomes "L" level.

As shown in the output waveform diagram of FIG. 10, the cooking net and the defrosting net, which are accessories, have a wire net made of thin leg width (wire diameter) and a resin made thaw net having a leg width. It can be distinguished because it is thick in molding, but when setting the legs of the saucer in use and placing it on the turntable 12 for two-step cooking, it is said that the legs are made of wire and cooking is made of wire. Indistinguishable from the net. Therefore, conventionally, the light emitting element 18 and the light receiving element 19 are arranged also at the height position of the tray main body shown by the two-dot chain line in FIG.
It was determined whether the saucer was placed so that it could be cooked.

In the leg 6 of the saucer according to the present invention, since the hole for the handle 6 is provided up to the lower end portion of the leg, the output of the light emitting element 15 and the light receiving element 16 arranged in the vicinity of the turntable 12 provides the cooking net. It is possible to identify the defrosting net and the two-stage cooking saucer. Therefore, it is possible to reduce the cost by eliminating the light emitting element 18 and the light receiving element 19 which are conventionally required.
Note that FIG. 10B shows the output waveforms of the cooking net, the defrosting net, and the two-step cooking pan from the top.

[0027]

According to the first aspect of the present invention, since the legs are directly attached to the side wall of the tray, the number of parts is small and the number of assembling steps is also small, so that the cost can be reduced. Further, the form is simple, and when the mittens are used as a handle for moving the saucer, there is an advantage that the legs are located on the outer circumference of the saucer and thus easy to grip.

According to the second aspect of the present invention, since both ends of the metallic wire forming the leg are covered with resin, the appearance is good and the injury due to the end face can be prevented. In addition, a snap action of the turning operation can be easily attached.

According to the third aspect of the present invention, since the entire leg is formed by molding the heat-resistant resin, it is possible to inexpensively provide a saucer that can be used during high frequency heating.

According to the fourth aspect of the present invention, since the handle for moving the tray is integrally formed with the leg made of resin, it is possible to carry it with bare hands without mittens even after heating, which improves usability.

In the invention of claim 5, it is possible to detect the use of the two-step cooking tray by using the accessory detection means for detecting the accessory having a low height, and therefore, the height required conventionally can be detected. It is possible to eliminate costly accessory detection means and reduce costs.

[Brief description of drawings]

FIG. 1 is a side view of a tray in which the legs according to the present invention are set in a retracted state.

FIG. 2 is a perspective view of the tray according to the present invention viewed from the bottom surface of the tray with the leg set to the use state.

FIG. 3 is an enlarged side view of an essential part showing an embodiment of a tray according to the present invention.

4 is a cross-sectional view taken along the line AA shown in FIG.

FIG. 5 is a side view showing a modified example of an embodiment of the tray according to the present invention.

FIG. 6 is an enlarged side view of essential parts showing another embodiment of the tray according to the present invention.

7 is a cross-sectional view taken along the line BB shown in FIG.

FIG. 8 is a side view of a main part and a cross-sectional view taken along the line C-C, showing still another embodiment of the tray according to the present invention.

FIG. 9 is a schematic view of accessory detection means provided in the heating cooker.

FIG. 10 is a diagram showing an output circuit and an output waveform for accessory detection.

FIG. 11 is a perspective view of a conventional tray viewed from the bottom.

FIG. 12 is an explanatory view showing a state in which the legs of the conventional tray are folded.

[Explanation of symbols]

 1 saucer 1a side wall 1b, 1d convex portion 2 curling 3,5 leg 3a, 3c concave portion 4 resin leg end portion 4a concave portion 4e, 6 handle 15, 16 accessory detecting light emitting element, light receiving element

Claims (5)

[Claims] 1. A saucer for a heating cooker on which an object to be heated is placed, wherein the leg ends are sandwiched by curling formed on the upper end of the dish, and positioning is performed by concavo-convex fitting. A saucer for a heating cooker, characterized in that the legs can be freely set in a stored state and a used state by rotating the side wall surface. 2. A rotation convex portion or a rotation concave portion formed by bending a metal wire rod so that both ends of the wire rod become one end portion of the leg, and the both ends of the leg end portion made of insert-molded heat-resistant resin. The saucer for a cooking device according to claim 1, wherein the saucer is formed by forming a rotating concave portion or a rotating convex portion on the side wall of the dish, and the concave and convex portions are fitted together. 3. A concavo-convex pattern formed by forming the entire leg with a heat-resistant resin, forming a turning convex portion or a turning concave portion at one end, and forming a turning concave portion or a turning convex portion on a side wall of the dish. The saucer for a heating cooker according to claim 1, which is fitted. 4. The saucer for a cooking device according to claim 2, wherein a handle for moving the saucer is formed integrally with the leg. 5. The free end of the leg is a detected part for detecting that the saucer with the leg set to the use state is used by the optical sensor type accessory detection means provided in the heating cooker. The saucepan for a cooking device according to claim 3, which is integrally formed on the side.