KR101307890B1 - cover packing for reinforcing pressure support and pressurized cooker with the same - Google Patents

Abstract

In order to improve durability and sealing performance under an inner pot environment of high temperature and high pressure, the present invention provides an inner pot for cooking food to be accommodated; A lid for opening and closing the inner pot but having an edge groove formed at a lower outer edge thereof; Cover packing extending downward from the body coupled to the rim groove, the outer side is in close contact with the inner wall of the inner pot is provided with a sealing portion to form a seal; An oven cover coupled to cover the lower surface of the lid; And an oven packing coupled to an edge of the oven cover to seal between the edge of the oven cover and the lower surface of the lid, wherein the pressure supporting reinforcement extension is extended outward so as to pressurize the inner side of the lid. Provided is a pressure cooker with a reinforced cover packing.

Description

Cover packing for reinforcing pressure support and pressurized cooker with the same}

The present invention relates to a pressure cooker, and more particularly, to a pressure cooker having a pressure-support reinforcement type cover packing having improved durability and sealing performance under high temperature and high pressure.

In general, a pressure cooker is a device used to cook food, and cooks food by making a state of high temperature and high pressure by heating an inner pot containing food. At this time, by blocking the heat inside the inner pot to be discharged to the outside to maintain the inside of the inner pot at a high temperature and high pressure to efficiently perform cooking, or to maintain a constant temperature inside the inner pot when warming the inner pot is in a closed state Must be maintained.

1 is a cross-sectional view of a conventional pressure cooker, Figures 2a and 2b is a cross-sectional view showing the main part of the cover packing applied to the conventional pressure cooker.

As shown in Figure 1 to 2b, the conventional pressure cooker includes a main body 10 is provided with an inner pot 11 is accommodated cooking objects, and a lid 20 for opening and closing the upper body.

Here, the cover packing 22 is coupled to the edge groove 21a formed at the bottom of the lid 20 to be in close contact with the inner wall of the inner pot 11 to seal the inner pot. At this time, the top of the lid 20 may be disposed as a metal material, the top plate manufactured by die casting or pressing, etc., the edge portion groove 21a may be formed on the outer edge of the top plate. In addition, an oven cover 21 of a separate metal may be detachably provided on a lower surface of the top plate.

Meanwhile, referring to FIGS. 2A and 2B, when the lid 20 is closed to the main body 10, the sealing part 23 extending downward from the body of the cover packing 22 has an upper end of the inner pot 11. It adheres to the inner wall surface. In addition, when the lid 20 is opened in the main body 10, the sealing portion 23 is restored to its original state by the rebound force.

However, with long-term use, the cover packing 22 made of silicone rubber or synthetic rubber material is hardened, deformed, and abraded due to constant exposure to high temperature and high pressure steam and friction with the inner pot during opening and closing of the lid. There was a problem of deterioration.

In this case, since the airtight portion 23 may not be completely adhered to the inner wall 11 of the inner pot 11 and thus the airtightness of the inner pot 11 may not be maintained, food may not be cooked normally and the taste of rice may be degraded, and also leakage into the outside of the steam may occur. Due to the continuous leakage of the rice due to the cleanliness and hygiene problems of the cooker and the surrounding environment and the safety problems that the user may be burned.

The present invention is to solve the above problems to provide a pressure-support reinforcement type cover packing with improved durability and sealing performance under high temperature and high pressure environment.

In order to solve the above problems, the present invention is an inner pot for cooking food is accommodated; A lid for opening and closing the inner pot but having an edge groove formed at a lower outer edge thereof; Cover packing extending downward from the body coupled to the rim groove, the outer side is in close contact with the inner wall of the inner pot is provided with a sealing portion to form a seal; An oven cover coupled to cover the lower surface of the lid; And an oven packing coupled to an edge of the oven cover to seal between the edge of the oven cover and the lower surface of the lid, wherein the pressure supporting reinforcement extension is extended outward so as to pressurize the inner side of the lid. Provided is a pressure cooker with a reinforced cover packing.

Here, the end portion of the pressure-supported reinforcement extension portion is extended to a position spaced apart by a distance equal to or less than the thickness of the cover packing from a position corresponding to the inner diameter profile of the inner wall of the inner pot, the contact with the inner surface of the sealing portion It is preferred that the portion is bent.

In addition, the pressure supporting reinforcement type extending portion is preferably provided with a pressure supporting reinforcement type cover packing, characterized in that the reinforcement supporting projections are further provided to be in contact with the lower surface of the cover packing body.

In addition, when the cover packing is coupled to the inner wall surface of the inner pot is preferably the end portion of the pressure-support reinforcement extension is in close contact with the sealing portion is formed in the hollow insulation portion is sealed inward air.

On the other hand, the present invention is an inner pot for cooking food is accommodated; A lid for opening and closing the inner pot but having an edge groove formed at a lower outer edge thereof; Cover packing extending downward from the body coupled to the rim groove, the outer side is in close contact with the inner wall of the inner pot is provided with a sealing portion to form a seal; Is coupled to cover the lower surface of the lid, when the cover packing is coupled to the inner wall inner pot is provided with a pressure supporting reinforcement cover packing comprising an oven cover edge portion is arranged to press the inner surface of the sealing portion Provide a pressure cooker.

Here, an end portion of the edge portion of the oven cover extends to a position spaced apart by a distance equal to or less than a thickness of the cover packing from a position corresponding to the inner diameter profile of the inner wall of the inner pot, and a portion in contact with the inner surface of the sealing portion is bent. Preferably formed.

When the cover packing is coupled to the inner wall of the inner pot, an edge portion of the oven cover is in close contact with the sealing part, and a hollow insulation part is formed in the space between the lower surface of the lid and the oven cover by the sealing part. This is preferred.

On the other hand, the present invention is a cover packing extending downward from the body coupled to the rim groove formed in the lid for opening and closing the inner pot of the pressure cooker is in close contact with the inner wall of the inner pot is sealed to form a seal; And coupled to the rim of the oven cover is provided to cover the lower surface of the lid to seal between the oven cover rim and the lower surface of the lid, the pressure-support reinforcement extension is provided to extend the outside to pressurize the inner side of the lid It provides a pressure-supported reinforcement cover packing comprising an oven packing.

Here, the end portion of the pressure-supported reinforcement extension portion is extended to a position spaced apart by a distance equal to or less than the thickness of the cover packing from a position corresponding to the inner diameter profile of the inner wall of the inner pot, the contact with the inner surface of the sealing portion It is preferred that the portion is bent.

When the cover packing is coupled to the inner wall of the inner pot, it is preferable that an end portion of the pressure supporting reinforcement extension part is in close contact with the sealing part and a hollow insulating part is formed in which air is sealed.

The above-mentioned solution of the present invention provides the following effects.

First, since the sealing part of the cover packing is pressurized by the pressure support reinforcing extension part of the oven packing or the oven cover edge, the adhesion to the inner wall of the sealing part and the pressure supporting performance are enhanced, so that the airtight performance is improved. Hygiene and safety problems caused by external leakage are prevented, and the cooking and warming performance is improved by blocking the inflow of external air on the boundary between the lid and the main body.

Second, since the hollow insulation is formed between the sealing portion and the inner pot inner space, by preventing direct exposure to the high temperature and high pressure steam in the sealing portion to minimize damage due to thermal deformation of the sealing portion to maintain the resilience of the cover The durability of the packing can be improved.

Third, as the inside of the inner pot is heated while cooking food, the temperature of the air filled inside the hollow insulation unit is increased, thereby expanding the volume of the filled air. As a result, the air inside the hollow insulation unit expands to push the seal to the outside, thereby further improving the adhesion and adhesion between the seal and the inner wall of the inner pot.

Fourth, since the hollow insulation portion forms an air insulation layer, energy efficiency can be improved by minimizing heat loss of high temperature heat inside the inner pot.

1 is a cross-sectional view of a conventional pressure cooker.
Figure 2a and Figure 2b is a cross-sectional view showing the main part of the cover packing applied to the conventional pressure cooker.
3 is a sectional view of a pressure cooker according to a preferred embodiment of the present invention.
Figures 4a and 4b is a cross-sectional view showing the main part of the cover packing applied to the pressure cooker according to an embodiment of the present invention.
Figure 5 is a cross-sectional view showing a modification of the cover packing applied to the pressure cooker according to an embodiment of the present invention.
Figure 6 is a cross-sectional view showing the main part of the cover packing applied to the pressure cooker according to another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the pressure-support reinforcing cover packing and the pressure cooker provided therein according to a preferred embodiment of the present invention.

3 is a cross-sectional view of a pressure cooker according to a preferred embodiment of the present invention, Figures 4a and 4b is a cross-sectional view showing the main portion of the pressure support reinforcement type cover packing applied to the pressure cooker according to an embodiment of the present invention.

As shown in Figure 3 to 4b, the pressure cooker according to the present invention comprises an inner pot 111, the lid 200, the cover packing 220, the oven cover 215, and the oven packing 216.

Here, the inner pot 111 is provided inside the main body 100 to accommodate the food to be cooked, and the lid 200 opens and closes the inner pot 111, and a border portion groove 210a is formed at a lower outer edge thereof. do. That is, the lower portion of the lid 200 is provided with a top plate 210 formed by die casting or pressing as a metal material, the edge portion groove 210a formed in the outer edge of the top plate 210 is provided. The body 221 of the cover packing 220 is coupled, the outer surface of the sealing portion 230 extending integrally downward from the body 221 is in close contact with the inner wall surface of the inner pot 111 to form a seal.

In addition, the oven cover 215 may be detachably provided at a lower side of the top plate provided on the lower surface of the lid 200. In this case, the oven cover 215 is disposed to cover the lower surface of the lid 200, so that the user can simply remove the oven cover 215 from the lower surface of the lid after the completion of the cooking process, wash the cover, and then recombine the lid. We can keep wealth hygiene clean.

On the other hand, the oven packing 216 is coupled to the rim of the oven cover 215 to seal between the rim of the oven cover 215 and the lower surface of the lid, the pressure to press the inner surface of the sealing portion 230 Support reinforcement extension 217 is provided to extend outward. Of course, the pressure supporting reinforcement extension 217 may be formed integrally with the oven packing 216, but may be made of a separate material to be coupled to the oven packing by insert injection or the like. As such, when the pressure supporting reinforcement extension part has a separate configuration, it is preferable that the pressure supporting reinforcement extension part is made of a synthetic resin material having excellent moldability, heat resistance, and wear resistance.

Here, the cover packing 220 and the oven packing 216 is made of a silicone rubber or heat-resistant synthetic rubber material, when the cover packing 220 is coupled to the inner wall surface of the inner pot 111, the pressure-supported reinforcement extension ( 217 may press the sealing portion 230 toward the inner wall of the inner pot 111 to reinforce the sealing force and the pressure supporting structure.

As such, the cover packing 220 may be reinforced with a pressure supporting structure by the pressure supporting reinforcing extension 217 of the oven packing 216 to form a pressure supporting reinforcing cover packing structure as a whole.

In detail, as shown in Figure 4a, when the lid (200 of FIG. 3) is opened, the sealing portion 230 is returned to its original state by the resilience of the resilient force and opened and the inner surface of the sealing portion 230 is The pressure supporting reinforcement extension 217 is spaced apart from the end 217a.

On the other hand, as shown in FIG. 4B, when the lid 200 is closed, the outer surface of the sealing portion 230 is softly elastically deformed to correspond to the profile of the inner wall of the inner pot 111. Furthermore, since the inner surface of the sealing portion 230 is pressed by the end of the pressure supporting reinforcement extension portion 217 toward the inner wall 111 and close to the inner wall 111, it is more stable even in a high pressure environment inside the inner pot 111. Pressure support structure can be achieved.

To this end, the end portion of the pressure supporting reinforcement extension 217 is spaced apart from the position corresponding to the inner diameter profile of the inner wall 111 of the inner pot 111 by a distance less than the thickness of the sealing portion 230 of the cover packing. Is extended. In addition, the end portion 217a of the pressure supporting reinforcement extension part is bent, and the shape of the part in contact with the inner surface of the sealing part at the end 217a may be formed corresponding to the profile of the inner wall surface of the inner pot.

On the other hand, when the cover packing 220 is coupled to the inner wall surface of the inner pot 111, the end of the pressure-support reinforcement type extension 217 is in close contact with the inner surface of the sealing portion 230 to seal the air in the inside Hollow insulation portion 250 is formed. Here, the hollow insulation unit 250 prevents the sealing portion 230 which is in close contact with the inner wall surface of the inner pot 111 to be directly exposed to steam at high temperature and high pressure, thereby minimizing damage due to thermal deformation, thereby maintaining resilience. By enabling the use for a long time to improve the durability of the closure 230.

On the other hand, the hollow insulation unit 250 may function as an air insulation layer to minimize the heat loss inside the inner pot to improve energy efficiency during cooking or warming.

In addition, as the inside of the inner pot 111 is heated when cooking food, the temperature of the air filled in the inside of the hollow insulation unit 250 is also increased, thereby expanding the volume of the filled air. As a result, the air inside the hollow insulation unit 250 expands the sealing unit 230 and the pressure supporting reinforcing extension part 217 in opposite directions, and thus, between the sealing unit 230 and the inner wall 111 of the inner pot 111. Adhesion can be further improved.

On the other hand, Figure 5 is a cross-sectional view showing a modification of the cover packing applied to the pressure cooker according to an embodiment of the present invention. In this modified example, except that the reinforcement support protrusion is formed in the pressure support reinforcement extension, the same basic configuration is the same as the above-described embodiment, and thus, the description of the same parts will be omitted.

As shown in FIG. 5, the end portion 317a of the pressure supporting reinforcement extension part 317 of the oven packing 316 according to the present modification is bent downward to press the sealing part 230 toward the inner wall 111 of the inner pot 111. do. In addition, the pressure support reinforcement extension part 317 may further include a reinforcement support protrusion 317b extending upward and supported in contact with the lower surface of the cover packing body 221 to form a 'T' shape as a whole. . Through this, the strength of the end portion 317a of the extension portion 317 for pressing the sealing portion 230 to press the sealing portion 230 may be reinforced. Of course, the extended angle of the extension end 317a may be modified within a range that does not affect the sealing function.

The space sealed by the sealing part 230 and the pressure supporting reinforcing extension part 317 is divided by the end part 317a and the reinforcing support protrusion 317b, thereby providing a double hollow insulation part 350a. Since 350b is formed, it is possible to provide a more improved thermal insulation effect.

On the other hand, Figure 6 is a cross-sectional view showing the main part of the cover packing applied to the pressure cooker according to another embodiment of the present invention. In the present embodiment, since the basic structure except for the fact that the oven packing is omitted and the oven cover structure is changed is the same as the above-described embodiment, a description of the same parts will be omitted.

As shown in FIG. 6, the sealing portion 230 of the cover packing according to the present embodiment is configured to be pressurized by an extended outer edge of the oven cover 315 to reinforce the pressure supporting structure. In detail, the oven cover 315 is coupled to cover the lower surface of the lid (200 of FIG. 3), the edge of the cover when the cover 220 is coupled to the inner wall 111 of the inner pot 111, the sealing portion 230 It is extended to press the inner surface of the. At this time, the oven cover 315 is preferably spaced apart from the lower surface of the lid 200.

To this end, the end portion 315a of the edge portion of the oven cover extends from a position corresponding to the inner diameter profile of the inner wall 111 of the inner pot 111 to a position spaced apart by a distance less than or equal to the thickness of the cover packing closure 230. . In addition, the end portion 315a of the edge portion of the oven cover which is in contact with the inner surface of the sealing portion 230 is bent, and the portion that is in contact with the inner surface of the sealing portion has a shape corresponding to the inner wall profile of the inner pot 111. It is preferably formed to be bent round.

In addition, when the cover packing 220 is coupled to the inner wall 111 of the inner pot 111, the edge of the edge of the oven cover is in close contact with the inner surface of the sealing portion 230, the space between the lower surface of the lid and the oven cover The hollow insulation portion 350 in which air is sealed by the closure portion is formed. Here, the hollow insulation unit 350 prevents the sealing unit 230 which is in close contact with the inner wall surface of the inner pot 111 to be directly exposed to steam at high temperature and high pressure, thereby minimizing damage due to thermal deformation, thereby maintaining resilience. By enabling the use for a long time to improve the durability of the closure 230.

In addition, the hollow insulation unit 350 functions as an air insulation layer to minimize heat loss inside the inner pot, thereby improving energy efficiency during cooking or warming.

As described above, the present invention is not limited to the above-described embodiments, and variations and modifications may be made by those skilled in the art without departing from the scope of the present invention. And such modifications are within the scope of the present invention.

10,100: main body 11,111: inner pot
20,200: lid 21,215: oven cover
216: oven packing 217: pressure reinforcement support extension
21a, 210a: Rim groove 22,220: Cover packing
230: sealing part 250, 350: hollow insulation part

Claims (10)

Inner pot for cooking food is accommodated;
A lid for opening and closing the inner pot but having an edge groove formed at a lower outer edge thereof;
Cover packing extending downward from the body coupled to the rim groove, the outer side is in close contact with the inner wall of the inner pot is provided with a sealing portion to form a seal;
An oven cover coupled to cover the lower surface of the lid; And
Pressure support reinforcement is coupled to the rim of the oven cover to seal between the oven cover rim and the lower surface of the lid, the pressure supporting reinforcement extension is formed by extending the pressure support reinforcement extension to the outside to press the inner side of the sealing portion Pressure cooker with type cover packing. The method of claim 1,
An end portion of the pressure supporting reinforcement extension part is disposed to extend in a position spaced apart by a distance equal to or less than a thickness of the cover packing from a position corresponding to the inner diameter profile of the inner wall surface of the inner pot, and a part contacting the inner surface of the sealing part Pressure cooker with pressure support reinforcement cover packing, characterized in that the bending formed. The method of claim 1,
The pressure support reinforcement type extension part is provided with a pressure support reinforcement type cover packing, characterized in that the reinforcement support protrusion is further extended to be supported in contact with the lower surface of the cover packing body. The method of claim 1,
When the cover packing is coupled to the inner wall of the inner pot, the pressure supporting reinforcement type cover packing is characterized in that the end portion of the pressure supporting reinforcement extension part is in close contact with the sealing part to form a hollow insulation for sealing the air inside thereof. Pressure cooker. Inner pot for cooking food is accommodated;
A lid for opening and closing the inner pot but having an edge groove formed at a lower outer edge thereof;
Cover packing extending downward from the body coupled to the rim groove, the outer side is in close contact with the inner wall of the inner pot is provided with a sealing portion to form a seal;
Is coupled to cover the lower surface of the lid, when the cover packing is coupled to the inner wall inner pot is provided with a pressure supporting reinforcement cover packing comprising an oven cover edge portion is arranged to press the inner surface of the sealing portion Pressure cooker. The method of claim 5, wherein
An end portion of the edge portion of the oven cover extends to a position spaced apart from the position corresponding to the inner diameter profile of the inner wall of the inner pot by a distance less than or equal to the thickness of the cover packing, and a portion contacting the inner surface of the sealing portion is bent. A pressure cooker having a pressure-supported reinforcement cover packing assembly. The method of claim 5, wherein
When the cover packing is coupled to the inner wall surface of the inner pot, the edge portion of the oven cover is in close contact with the sealing portion is formed in the space between the lower surface of the lid and the oven cover is formed in the hollow insulation portion is air-sealed by the sealing portion Pressure cooker with pressure support reinforcement type cover packing. A cover packing extending downward from the body coupled to the rim groove formed in the lid for opening and closing the inner pot of the pressure cooker, the cover part being provided in close contact with the inner wall of the inner pot to form a seal; And
An oven coupled to an edge of an oven cover provided to cover the bottom of the lid to seal between the oven cover edge and the bottom of the lid, the pressure supporting reinforcement extending extending outward to pressurize the inner side of the lid; Pressure-supported reinforcement cover packing including packing. The method of claim 8,
An end portion of the pressure supporting reinforcement extension part is disposed to extend in a position spaced apart by a distance equal to or less than a thickness of the cover packing from a position corresponding to the inner diameter profile of the inner wall surface of the inner pot, and a part contacting the inner surface of the sealing part Pressure-supported reinforcement cover packing, characterized in that the bending formed. The method of claim 8,
When the cover packing is coupled to the inner wall of the inner pot, the pressure supporting reinforcement type cover packing, characterized in that the end portion of the pressure supporting reinforcement extension part is in close contact with the sealing portion is formed in the air insulation sealed inside.

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