KR20110021601A - Cover assembly for cooker - Google Patents

Abstract

PURPOSE: A cover assembly for a cooking device is provided to enable an inner-pot packing to be accurately inserted by minimizing the repulsive force due to the deformation of the inner-pot packing. CONSTITUTION: A cover assembly(200) for a cooking device comprises a lid(230), an inner-pot lid(250) and an inner-pot packing(270). The lid covers the upper part of a body. The inner-pot lid covers the upper part of the inner pot of the body. The outermost end of the coupled part(255) of the inner-pot lid is extended downward to be inward rounded. The inner-pot packing is coupled to the coupled part of the inner pot to close the inner pot. For the inner-pot packing to be inserted into the coupled part by a sliding operation, the inner surface of the inner-pot packing makes tight contact with one side of the coupled part. For the outer upper part of the inner-pot packing to maintain a space from the outermost part, the inner-pot packing is inclined inward and upward.

Description

Cover assembly for cooker

The present invention relates to a cover assembly for a cooker, and more particularly to a cover assembly for a cooker to improve the productivity and ease of use of the product.

In general, a cooking apparatus refers to a utensil used to cook food, and a representative cooking apparatus of Korea, which uses rice as a staple, is an electric pressure cooker. The electric pressure cooker is composed of a main body and a lid covering the upper portion of the main body is built-in food is accommodated.

In addition, the electric pressure cooker to cook the food by making a state of high temperature and high pressure by heating the inner pot containing the food. At this time, the sealing of the inner pot prevents heat from being discharged inside the inner pot, so that the high temperature is maintained, thereby efficiently performing cooking and keeping the temperature constant even when warming. To this end, a cover assembly for a cooking appliance covering an upper portion of the main body is provided.

Hereinafter, a cover assembly for a conventional cooking appliance will be described with reference to the accompanying drawings.

1 is a cross-sectional view schematically showing an electric pressure cooker, Figure 2 is a cross-sectional view showing a cover assembly for a conventional cooking appliance. 3 is a view showing another conventional cover assembly for a cooking appliance.

As shown in FIG. 1, the cover assembly 1 for a cooking appliance includes a lid 3 made of a synthetic resin material that opens and closes an upper portion of the main body 2, and a metal covering an upper portion of the inner pot 4 at a lower portion of the lid 3. The inner pot lid 5 and the inner pot lid 5 when the inner pot lid 5 is closed so as to maintain the temperature and pressure according to the heating of the inner pot 4 at the lower edge of the inner pot lid 5. It consists of an inner pot packing (7) for sealing the gap of the inner pot (4).

By the way, the cover assembly for a conventional cooking appliance can be divided into a fixed type and a detachable type according to whether the inner pot cover is separated by the development of a separate inner pot lid for easy cleaning of the inner pot lid.

Referring to FIG. 2, the conventional fixed inner pot lid 15 is manufactured by casting using thick aluminum, etc., as fixed to the lid 13, and then cuts the outer part to couple the inner pot packing 17 to the inner pot packing. Each of 17 has a projection-like structure at the lower end of the inner circumference opposite to be fixed by the engagement by the interference fit.

Referring to FIG. 3, the conventional detachable inner pot lid 25 has a lid 25 (a) of which is extrapolated to the protrusion 23a of the lid 23, and the holder 29 is coupled to and fixed to the protrusion 23a. 23) is separable.

However, the detachable inner pot lid 25 is manufactured by pressing as it is replaced with a thin, lightweight stainless steel from the thick aluminum used for the fixed inner pot lid 15 for convenience of use and manufacturing, which causes the inner pot packing 27 The process of fixing the projection shape and the size management is difficult to have a structure to fix using the screw 30 and the coupling member 31, there was a problem that the replacement of the inner pot packing 27 is not easy.

Thus, despite the advantage that the removable inner pot lid 25 is easy to clean, due to the assembly complexity of the inner pot packing 27, productivity is reduced and the inner pot packing 27 is a consumable part, but the user cannot easily replace it. There was a problem that causes inconvenience in use.

Moreover, since the inner pot packing 17 is coupled to the fixed inner pot lid 15 by the interference fit of the protrusions on both sides, the inner pot packing 17 of the circular frame shape is quickly and accurately coupled to the cutting process of the groove structure. There was a problem that could not be done.

In order to solve the above problems, the present invention is easy to remove the inner pot packing of the separable inner pot lid to be pressed by a sliding method, the cooking apparatus for improving the cleanability as well as manufacturing assembly and ease of use significantly improved. It is an object to provide a cover assembly.

In order to solve the above problems, the present invention is a lid for covering the top of the cooker body; An inner pot lid provided at a lower portion of the lid to cover an upper portion of the inner pot accommodated in the inner side of the main body, and having a coupling part stepped to a predetermined width and having an outermost portion downwardly rounded inwardly; And the inner pot is coupled to the coupling part of the inner pot lid to seal the inner pot, and the inner surface is guided to be in close contact with one surface of the coupling part to be slidably coupled to the coupling part, and an outer side upper portion is provided with the outermost part and the free space. It provides a cover assembly for a cooking appliance having an inner pot packing inclined upwardly to have a coupling.

Here, the inner pot packing is formed with a locking groove that is engaged with the coupling portion on the outer surface, the upper edge of the locking groove is preferably formed to be inclined to correspond to the end of the outermost portion. In addition, the inner pot packing, the central portion of the inner surface is formed to be rounded to the inside, it is preferable that the contact protrusions are formed to protrude each of the upper end and the lower end of the inner surface to increase the adhesion. Further, the coupling portion is bent upwards from the inner pot lid, the friction portion formed into a flat surface, the connection portion is bent outwardly with a predetermined width from the friction portion, and the end is bent inwardly downward from the connection portion It is preferable to include a latched portion. In addition, it is preferable that at least one vapor discharge part is formed on the outer circumferential upper portion of the inner pot packing to be spaced apart from the end of the outermost part so as to leak the high pressure due to the sealing of the free space to the outside. In addition, the inner pot packing is wrapped around the end of the inner pot, and includes a sealing portion extended downwardly to a predetermined thickness to be in close contact with the inner circumferential surface of the inner pot, and a seating portion extended upwardly inclined inward to be seated on the flange of the inner pot on the outside. It is preferable to make it.

As described above, the cover assembly for a cooking appliance according to the present invention provides the following effects.

First, the present invention by fitting the inner pot packing in a sliding manner to the removable inner pot lid of relatively thin thickness manufactured by press processing, the inner pot packing is easily removable without the use of tools, as well as the ease of cleaning and the convenience of replacement in use This can significantly improve the productivity and ease of use in manufacturing.

Second, the inner pot packing is provided with an inclined portion for the upper and lower light structure on the outer periphery so that the sliding coupling, so that the minimum portion of the inner pot packing is contracted and deformed and caught in the catching part to minimize the repulsive force due to deformation during insertion of the inner pot packing to facilitate insertion. Therefore, it can be quickly and accurately fitted.

Third, the outer periphery of the inner pot packing is formed by the steam discharge portion for leaking the high-pressure air of the outer free space formed by the combination with the inner pot lid to the outside, thereby preventing the fall and fall of the inner pot packing due to the pressure of the free space. The disadvantages of adopting the sliding coupling structure can be compensated for to maintain a firm coupling. Accordingly, the sudden steam leakage due to the fall and fall of the inner pot packing can prevent the consumer from being burned or unexpectedly surprised.

Fourth, the inner pot packing is closely coupled to the friction part of the coupling portion, and then the engaging groove is coupled to the coupling portion in such a manner that the locking groove is fixed to feel the grip at the end of the locking portion, thereby ensuring fast and accurate coupling of the consumer's use of the product. Reliability can be improved.

Hereinafter, a cover assembly for a cooker according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 4 is a cross-sectional view showing a cover assembly for a cooking appliance according to an embodiment of the present invention, Figure 5 is a cross-sectional view of the coupling portion and the inner pot packing of the inner pot lid according to an embodiment of the present invention, Figure 5 (a) is The inner pot is a coupling portion, Figure 5 (b) shows the inner pot packing.

4 and 5, the cover assembly 200 for a cooking appliance according to an embodiment of the present invention includes a lid 230, an inner pot lid 250, and an inner pot packing 270.

Here, in the cooking apparatus of the present invention, except for the cover assembly 200 for the cooking apparatus, the basic configuration is the same as the cooking apparatus shown in FIG. 1, and the detailed description thereof will be omitted.

In detail, the lid 230 covers the upper portion of the cooker body (2). Here, the cooking apparatus refers to an electric pressure cooker, etc., the main body 2 is the inner pot 4 is accommodated therein is provided with a component for heating the inner pot (4). The lid 230 is made of a synthetic resin material, and together with the main body 2 forms an appearance of a cooking appliance.

On the other hand, the inner pot lid 250 is provided at the lower portion of the lid 230, the inner pot lid 250 covers the upper portion of the inner pot 4 accommodated inside the main body 2, the inner pot lid It is press-processed so that the coupling part 255 which has a predetermined | prescribed width | variety stepped from 250 and the outermost part extends downward so that it may be rounded inward is provided.

Here, the inner pot lid 250 is preferably removable for ease of cleaning in a circular plate shape corresponding to the opening of the inner pot (4). To this end, the inner pot lid 250 is provided with a material having strength that is not easily bent at a lightweight such as stainless steel. In addition, the coupling portion 255 of the inner pot lid 250 is press-processed in a ring shape so that the coupling groove 255a for receiving the upper portion of the inner pot packing 270 is formed therein. Accordingly, the coupling portion 255 has a predetermined width and protrudes upward and is provided in the shape of a groove having a lower side opened. In addition, detachment of the inner pot lid 250 to the lid 230 may be made by various methods known in the art. For example, as shown, the inner pot lid 250 has its hollow portion 250a extrapolated to the protrusion 230a of the lid 230 and the holder 290 is fixed to the protrusion 230a and separated in the reverse order. will be.

In addition, the coupling portion 255 is bent round the corner portion by the press processing, the bending portion is formed upwards from the inner pot lid 250 is a friction portion made of a flat surface to minimize the frictional force due to the close contact of the contact portion 271 251, a connecting portion 252 having a predetermined width capable of receiving an upper portion of the inner pot packing 270 from the friction portion 251, and an end portion of the connecting portion 252 downwardly. It is preferable to include a locking portion 253 bent inclined inward to serve as a group.

On the other hand, the inner pot packing 270 is coupled to the coupling portion 255 of the inner pot lid 250, the inner pot packing 270 seals the inner pot 4, The inner surface is guided to be in close contact with one surface of the coupling portion 255 so as to slide into the coupling portion 255 and the upper side of the outer surface is inclined upward inward to have the outermost portion and the free space 255b. Lose.

Here, the inner pot packing 270 is preferably made of a circular frame shape corresponding to the coupling portion 255, a soft material such as rubber, silicon can be used without limitation. The inner pot packing 270 is the outer circumference of the sealing portion 276 is in close contact with the inner circumference of the upper end of the inner pot 4 to seal the gap between the inner pot 4 and the inner pot lid 250. At this time, since the lower surface of the seating portion 275 is in close contact with the upper surface of the flange of the inner pot 4, the inner pot 4 is disposed between the sealing portion 276 and the seating portion 275 is sealed stably. To this end, the inner pot packing 270 and the sealing portion extended downwardly to a predetermined thickness to be in close contact with the inner circumferential surface of the inner pot 4 to surround the end of the inner pot 4, on the flange of the inner pot 4 on the outside A seating portion 275 extending upwardly inclined inwardly to be seated is formed, and the seating portion 275 preferably forms the same inclined surface as the inclined portion 273. Of course, the configuration in which the seating portion 275 is omitted is also possible.

In addition, the inclined portion 273 inclined upwardly to have the outermost portion and the free space 255b of the coupling portion 255 is an opening of the coupling groove 255a limited by the end of the locking portion 253. The inner pot packing 270 makes the upper and lower structures of the inner pot packing 270 in the upper and lower light structure to facilitate insertion and separation of the inner pot packing 270. Accordingly, the width of the upper end of the inner pot packing 270 is provided below the width of the opening of the coupling groove 255a, the inner pot packing 270 so that the end portion of the locking portion 253 is caught in the locking groove 274. The width of the engaging groove 274 of the expansion and contraction is provided more than the width of the opening of the coupling groove 255a to be sealed.

Through this, since the inner pot packing 270 is coupled by sliding, the minimum portion is contacted and contracted and deformed so as to be caught by the catching part 253, thereby minimizing the repulsive force due to deformation when the inner pot packing 270 is inserted into the inner pot packing 270. Since it is easy to be inserted into the coupling groove 255a can be quickly and accurately fitted.

In addition, the inner pot packing 270 is formed on the outer side of the engaging groove 274 is engaged with the coupling portion 255, the upper edge of the locking groove 274 is formed to be inclined to correspond to the end of the outermost portion. This is preferred. That is, when the inner pot packing 270 is inserted into or separated from the coupling part 255, the locking groove 274 ends of the locking part 253 to minimize scratches at the end of the locking part 253. The locking inclination portion 274a inclined to correspond to is formed.

In addition, the inner pot packing 270 is formed so that the central portion of the inner surface is rounded to the inside thereof, and protrudes to the upper and lower portions of the inner surface, so that the close contact portion 271 that is in close contact with the friction portion 251 is not easily separated. It is preferable that the adhesion protrusion 272 is provided to increase the adhesion by not engaging the role. Since the depression 278 formed on one side of the upper surface of the inner pot packing 270 becomes a sealed space according to the combination of the inner pot packing 270 and the coupling part 255, the expansion pressure due to high temperature and high pressure is generated by heat energy according to cooking. The contact portion 271 may be formed to press the friction portion 251 toward the friction portion 251. In addition, the depression 278 functions as a free space for shrinkage to facilitate the contraction of the inner pot packing 270 when the inner pot packing 270 is detached, and for this purpose, the depression 278 of the inner pot packing 270 is used. It is preferably formed having a predetermined width and depth from the upper surface.

On the other hand, Figure 6 is a cutaway perspective view of the coupling section of the inner pot lid and inner pot packing according to an embodiment of the present invention and the cut-out of the main portion of the inner pot packing, Figure 6 (a) of the inner pot lid coupling portion and 6 is a cross-sectional view of the coupling, Figure 6 (b) is a cutaway perspective view of the main portion of the inner pot packing.

As shown in FIG. 6, at least one vapor discharge part spaced apart from an end of the outermost part so that the high pressure due to the sealing of the free space 255b is leaked to the outside on the outer circumference of the inner pot packing 270 ( 277) is preferably formed.

That is, the steam discharge unit 277 has a free space 255b on the outer side of the inner pot lid 250 in the coupling groove 255a of the inner pot lid 250 while the inner pot lid 250 and the inner pot packing 270 are coupled to each other. ) Is formed. At this time, the inside of the free space (255b) is usually filled with air at the same temperature as the atmosphere, but when cooking food and the like is changed to air of high temperature and high pressure by the heat energy generated from the main body 2 and the lid 230. Accordingly, the inner volume of the free space 255b is expanded to push the inner pot packing 270 out of the coupling part 255 so that the inner pot packing 270 may be pushed out of the inner pot lid 250 and dropped. In order to prevent this, the steam discharge unit 277 is provided to discharge the steam at a high temperature and high pressure state inside the clearance space 255b.

Here, the high pressure of the free space (255b) is discharged in the direction of the arrow shown, which is to be substantially leaked through the minute gap generated by the contact of the edge of the steam outlet (277) and the end of the catching portion (253). Is done.

To this end, the vapor discharge part 277 is reduced to the contact portion at the end of the locking portion 253 in order to be a passage that is discharged from the free space 255b to the high pressure formed in the free space (255b) The upper one side of the inner pot packing 270 is formed to be easily recessed so as to be easily discharged, and is inclined upwardly from the upper center of the inner pot packing 270 to the bottom edge of the locking groove 274. The dotted line shown in FIG. 6 represents the vapor discharge part 277.

Through this, the steam discharge part 277 is prevented from falling and falling of the inner pot packing 270 due to the pressure of the free space (255b) to compensate for the disadvantages of the sliding coupling structure of the present invention coupling portion 255 And inner pot packing 270 can maintain a firm coupling. In addition, the sudden leakage of steam due to the falling and falling of the inner pot packing 270 may prevent the consumer from being burned or unexpectedly surprised.

Hereinafter, with reference to the accompanying drawings will be described in detail the process and effect of the inner pot packing 270 of the present invention is coupled to the coupling portion of the inner pot lid 250.

As shown in FIGS. 5 and 6, the inner pot packing 270 is coupled in such a manner that its upper portion is slidably inserted into the coupling groove 255a through the lower opening of the coupling portion 255. First, a user or a manufacturer places the inner pot packing 270 in a circular frame coupling groove 255a. Thereafter, pressing the inner circumferential side of the inner pot packing 270 to insert the close contact portion 271 is in close contact with the friction portion 251 in the plane. Then, pressing the outer circumferential side of the inner pot packing 270, the inner pot packing 270 is sliding while the inclined portion 273 is in contact with the end of the catching portion 253 and slightly compressed after reaching the catching groove 274 is relaxed and locked It is fixed while being caught by the groove 274. At this time, the inner pot packing 270 is coupled to the outermost portion of the coupling portion 255, that is, the engaging portion 253 and the mutual free space 255b, so that the repulsive force against the fitting is minimized and can be easily inserted. In addition, the end of the locking portion 253 is smoothly moved to the locking groove 274 side through the locking inclined portion 274a of the inner pot packing 270. Accordingly, the user or the manufacturer is caught as the end of the locking portion 253 is moved along the surface slightly projected by the connecting structure to the inclined portion 273 and the locking groove 274 is seated in the locking groove 274 You can feel the jam, so you do not need to check the correct combination.

The inner pot packing 270 is separated in the reverse order of the assembling procedure. At this time, the locking inclined portion 274a minimizes the damage such as scratching from the end of the locking portion 253 when the inner pot packing 270 is compressed for separation.

Therefore, the combination of the inner pot packing 270 and the inner pot lid 250 of the present invention is fitted in a sliding manner. Through this, the combination of the inner pot packing 270 and the inner pot lid 250 ensures fast and accurate coupling can be improved consumer confidence in the use of the product.

As described above, the present invention improves the complex assembly structure of the inner pot packing, which is a disadvantage of the separable inner pot lid because the inner pot packing 270 is easily detached without the use of tools, as well as the ease of cleaning and the replacement convenience in use. Productivity and convenience can be significantly improved.

As described above, the present invention is not limited to the above-described specific preferred embodiments, and modifications apparent by those skilled in the art to which the present invention pertains without departing from the technical spirit of the present invention claimed in the claims. Implementations are possible and such modifications are within the scope of the present invention.

1 is a cross-sectional view schematically showing an electric pressure cooker.

Figure 2 is a cross-sectional view showing a cover assembly for a conventional cooking appliance.

Figure 3 is a cross-sectional view showing another conventional cooking appliance cover assembly.

Figure 4 is a cross-sectional view showing a cover assembly for a cooking appliance according to an embodiment of the present invention.

Figure 5 is a cross-sectional view of the inner pot and the coupling portion of the inner pot lid according to an embodiment of the present invention.

Figure 6 is a cutaway perspective view of the coupling section and the inner portion of the inner pot packing coupling section of the inner pot lid in accordance with an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

200: cover assembly for the cooking appliance 230: lid

250: inner pot lid 251: friction part

252: connecting portion 253: locking portion

255: coupling portion 255a: coupling groove

270: inner pot packing 271: close contact

272: contact protrusion 273: inclined portion

274: locking groove 274a: locking slope

275: seating portion 276: sealing

277: steam outlet

Claims (6)

A lid covering an upper portion of the cooker main body; An inner pot lid provided at a lower portion of the lid to cover an upper portion of the inner pot accommodated in the inner side of the main body, and having an engaging portion extending downward from the outermost portion to the inner edge thereof; And The inner pot is coupled to the coupling part of the inner pot lid to seal the inner pot, and the inner surface is guided to be in close contact with one side of the coupling part so as to slide into the coupling part, and an outer side upper portion has a free space with the outermost part. Cover assembly for a cooking appliance comprising an inner pot packing inclined upwardly to be coupled. The method of claim 1, The inner pot packing is formed on the outer surface of the engaging groove which is engaged with the engaging portion is formed, the upper edge of the engaging groove cover assembly for a cooking appliance, characterized in that formed to be inclined to correspond to the end of the outermost portion of the engaging portion. The method of claim 1, The inner pot packing, The central portion of the inner surface is formed rounded to the inside, the cover assembly for a cooking appliance, characterized in that the contact protrusions protruding to each of the upper end and the lower end of the inner surface to increase the adhesion. The method of claim 1, The coupling portion, the friction portion is bent upward from the inner pot lid formed in a flat surface, the connecting portion having a predetermined width from the friction portion is bent outwards, and the locking portion bent inclined inwardly downward from the connecting portion Cover assembly for a cooking appliance comprising a. The method of claim 1, The cover assembly for a cooking appliance, characterized in that formed on the outer circumferential upper portion of the inner pot packing is separated from the end of the outermost portion so as to leak the high pressure due to the sealing of the free space to the outside. The method of claim 1, The inner pot packing is wrapped around the end of the inner pot, made of a sealing portion extended downwardly to a predetermined thickness to be in close contact with the inner circumferential surface of the inner pot; Cover assembly for a cooking appliance, characterized in that.

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