KR200255258Y1 - vessel structure for electric pressure rice cooker - Google Patents

Abstract

The present invention relates to a structure of a cooking vessel for an ultra-high frequency heating pressure cooker, a rice cooker-shaped body (11) formed by injection molding with a thermoplastic heat-resistant resin material, and a plurality of fastening protrusions (12-1) inserted into the upper end of the body It is provided with a body reinforcing iron core 12 is formed, and a plurality of fastening protrusions (13) to be fitted and fixed to the pressure lid endothelial 50, the pressure lid endothelial (50) to be combined, separated from the fastening protrusions (13) In the cooking vessel for the ultra-high frequency heating pressure cooker is formed by injection molding into a thermoplastic heat-resistant resin material while the iron core 51 is inserted into the end, the protrusion 15 is raised in a semi-circular cross-section inward to the bottom center of the body (11). ) Is formed.

Therefore, by forming the center portion of the bottom of the cooking vessel convexly protruded as described above, it can sufficiently withstand the internal pressure generated in the cooking vessel during cooking, so that the bottom portion generated by failing to withstand the internal pressure does not protrude outward. As a result, interference with components installed on the bottom does not occur, and thus no trouble occurs.

Description

Vessel structure for electric pressure rice cooker

The present invention relates to a cooking vessel for an ultra-high frequency heating pressure cooker, the injection molding body of the body with a high-pressure plastic resin in the state in which the iron core is placed in the upper end of the cooking vessel as in the prior art, the pressure lid of the pressure lid assembled with the cooking vessel In addition, after inserting the iron core at the end of the injection molding with a high-pressure plastic resin, the bottom center of the cooking vessel to protrude inwards direction of the ultra-high-frequency heating pressure cooker for cooking enough to withstand the internal pressure acting on the cooking vessel during cooking. It's about structure.

In general, the conventional electric pressure cooker 100, as shown in Figure 4, to cook cooking objects, that is, rice, grains, brown rice and the like in a cooking vessel, the cooking plate 200, the hot plate 300 on the bottom surface Is installed, and the cooking vessel 200 is heated by the hot plate to cook a cooking object.

That is, the cooking vessel 200 is cooked by receiving heat generated from the hot plate while interviewing the hot plate 300 in the inner container 110, and is mostly made of a material such as aluminum that can withstand high pressure with good thermal conductivity. It is used, the inner skin is usually coated to be easy to clean because it can prevent the cooking object to be stuck.

By the way, the container made of metal such as aluminum or stainless steel is easy to manufacture and can be used very easily for cooking food, but the heating temperature contains metal components that are harmful to the human body. Mitch had a downside.

In addition, as the inner surface of the cooking vessel is coated, the parts processing cost is increased, as well as the temperature of the heating element and the coating part are peeled off or scratched during the process of cleaning for a long time.

In order to solve the above disadvantages, a pressure cooker applied by a high frequency scanning heating method by a magnetron, which is a method applied to a conventional microwave oven, has been introduced. This pressure cooker is known to have a thermal efficiency of more than 200% compared to conductive heating cookers such as electric wires and hot plates. Here, the structure of the container of the electric pressure cooker is a rice cooker-shaped body 11 formed by injection molding with a thermoplastic heat-resistant resin material, and an iron core for body reinforcement having a plurality of fastening protrusions 12-1 inserted into an upper end of the body. 12 and a plurality of fastening protrusions 13 inserted into and fixed to the pressure lid inner shell 50, and the pressure lid inner shell 50 to be coupled to and separated from the fastening protrusions 13 has an iron core 51 at an end thereof. ) Is also injection molded into a thermoplastic heat-resistant resin material.

However, the cooking container 10 is pushed to the outside of the bottom center due to the high pressure during cooking, thereby causing interference with a high frequency generator, which is a component located under the bottom of the cooking container 10, and frequently causes trouble. There was a problem that occurred.

The present invention was devised to solve the above problems, injection molding the body with a high-pressure plastic resin in the state of putting the iron core in the upper end of the cooking vessel as conventional, of the pressure lid assembled with the cooking vessel The pressure lid inner shell is also injected into the high-pressure plastic resin after the iron core is placed at the end, and the innermost protrusion formed in a circular shape is formed at the center of the bottom to sufficiently endure the maximum internal pressure of the cooking vessel generated during cooking. Its purpose is to provide a structure of a cooking vessel for a pressure cooker.

1 is an exploded perspective view of a cooking vessel according to the present invention,

Figure 2 is a cross-sectional view of a cooking vessel and a high frequency generator coupled state according to the present invention,

3 is a cross-sectional view of the cooking vessel and the pressure lid is cooked according to the present invention,

4 is a separate perspective view of the prior art corresponding to FIG. 1.

* Description of the symbols for the main parts of the drawings *

1 --- microwave heating pressure cooker, 2 --- control unit,

3 --- housing, 10 --- cooking vessel,

11 --- body, 12,51 --- iron core,

13 --- fastening protrusions, 14 --- high frequency barrier,

15 --- protrusion, 30 --- pressure lid,

40 --- high frequency generator, 50 --- pressure cover

52 --- high frequency barrier, 60 --- pressure packing.

The present invention for achieving the above object is a rice cooker-shaped body which is injection-molded with a thermoplastic heat-resistant resin material, the body reinforcing iron core is inserted into the upper end of the body formed with a plurality of fastening protrusions, and is fitted in the pressure lid inner shell In the cooking vessel for the ultra-high frequency heating pressure cooker having a plurality of fastening protrusions to be fixed, and the pressure lid inner shell which is coupled to and separated from the fastening protrusions is inserted into an end of the core and is injection molded with a thermoplastic heat-resistant resin material, wherein the body The bottom portion of the projection is characterized in that the protrusion is formed in a semi-circular cross-section inwardly.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view of a cooking vessel according to the present invention, Figure 2 is a cross-sectional view of a state combined with the cooking vessel and the high frequency generator according to the present invention, Figure 3 is a cooking vessel and the pressure lid cooked state according to the present invention It is a cross section of. As shown, the cooking vessel 10 of the present invention is, as in the prior art, a rice cooker-shaped body 11 made of a high-pressure injection molding, the body reinforcing iron core 12 is inserted and molded at the upper end of the body, It is provided with a fastening protrusion 15 which is fitted to the pressure lid endothelial 50 is fixed. At this time, the body 11 is made of a thermoplastic heat-resistant resin, such as PES (poly ether sulphone), P.P for microwave oven, which is a material that can sufficiently withstand the high pressure generated in the cooking vessel. On the other hand, a high frequency generator 40 for generating a high frequency is installed below the bottom of the body 11.

Here, the cooking vessel 10 of the present invention has a protrusion 15 which is raised in a semicircular cross section inwardly at the bottom center of the body 11. Accordingly, the bottom part, which is relatively weak in internal pressure, is reinforced to sufficiently endure the maximum internal pressure of the cooking vessel during cooking, thereby preventing the bottom part from convexly expanding outward without being able to withstand the internal pressure frequently generated in the past. Therefore, the interference with the components installed under the floor is not possible, it is possible to sufficiently reduce the balance of the product.

On the other hand, the cooking vessel 10 is made of a plastic resin material that can pass the high frequency. Therefore, the cooking container 10 may be applied to a structure capable of cooking food by a high frequency generator that directly heats and heats moisture contained in a cooking object by scanning a high frequency wave.

And the left and right sides and the bottom of the cooking vessel 10, the high-frequency blocking wall 14 is installed, the high-frequency blocking wall 52 is also installed in the upper end of the cooking vessel 10, the high frequency injected into the cooking vessel is cooking vessel It will not leak out.

Reference numeral 2 is a control unit for the user to operate by selecting the cooking time, cooking conditions of the ultra-high frequency heating pressure cooker (1).

Hereinafter, the operation of the cooking vessel according to the present invention will be described.

First, the cooking vessel 10 is injection molded into a thermoplastic resin material such as PES (poly ether sulphone), microwave PP, while the iron core 12 is inserted into the upper end of the body 11 as in the prior art, the iron core 12 The iron core 51 is also inserted into the end portion of the pressure cover endothelial 50 which is fastened to the inserted portion), and is also injection molded into a thermoplastic resin material such as poly ether sulphone (PES) and microwave oven PP. That is, the cooking vessel 10 and the pressure lid 50 is formed of a plastic resin material through which high frequency can pass, and the fastening portion is inserted into the iron cores 12 and 51 so that it occurs in the body 11 when cooking food. It is formed to withstand high pressure.

Here, the cooking vessel 10 is formed to form a protrusion 15 which is raised in a semi-circular cross section inwardly at the bottom center of the body 11. Therefore, as the internal pressure acting on the bottom of the cooking vessel 10 shown in FIG. 2 can be sufficiently tolerated by the raised protrusions 15, the bottom of the cooking vessel can be prevented from protruding outwardly. will be.

On the other hand, a high frequency generator 40 is provided under the bottom of the body 11. Therefore, the high frequency generated by the high frequency generator 40 is scanned into the body 11 while passing through the bottom of the cooking vessel 10 made of a non-conductive material, thereby heating and cooking food.

In addition, when the lid is closed, the fastening protrusion 13 is inserted into the pressure lid endothelium 50 of the pressure lid 30, while being fixed while the pressure packing 60 of the pressure lid 30 of the cooking vessel 10 The upper end of the body 11 is in close contact with each other, whereby the pressure generated in the cooking vessel 10 can be maintained without loss.

Of course, the pressure lid endothelium 50 is formed to be rotatable from side to side to be able to fasten or detach the fastening protrusion 15 in the pressure lid 30.

According to the present invention described in detail as described above, the cooking vessel can withstand the internal pressure generated in the cooking vessel during cooking by molding so that the center of the bottom is convexly protruded in the inward direction, the bottom generated by not withstanding the internal pressure The phenomenon that the part protrudes outward does not occur, and this does not cause interference with the parts installed in the bottom part, and there is an effect that no trouble occurs.

Claims (1)

A rice cooker-shaped body 11 formed by injection molding with a thermoplastic heat-resistant resin material, a body reinforcing iron core 12 inserted into an upper end of the body and having a plurality of fastening protrusions 12-1, and a pressure lid inner shell 50 It is equipped with a plurality of fastening protrusions (13) inserted and fixed to the), and the pressure lid endothelial (50) to be coupled and separated with the fastening protrusions (13) while the iron core 51 is inserted into the end of the thermoplastic heat-resistant resin material In the cooking vessel for the ultra-high frequency heating pressure cooker is injection-molded, characterized in that the projection 15 is formed in a semi-circular cross-section in the bottom center of the body 11 is formed in the ultra-high frequency heating pressure cooker. rescue.