KR101495831B1 - Plate for Pressurizing Inner Volume of Rice Pot - Google Patents

Abstract

The present invention relates to a pressing plate for a rice cooker for improving preservation, and, specifically, to a pressing plate for a rice cooker for improving preservation, which is installed to move vertically within the inner space in order to reduce the pressure in a rice cooker, and enables improving the preservation of the contents in the rice cooker and reducing the electric consumption. The pressing plate for a rice cooker comprises a pressing body (11) consisting of an extended plate (111) having a first packing on the edge thereof, and a fixating part (112) formed on the extended plate (111); and a secondary plate (12) consisting of an auxiliary plate (121) combined to the fixating part (112), a surrounding wall (122) forming the edge of the auxiliary plate (121), a second packing (126) combined to the surrounding wall (122), and a drain hole (125a) formed to be able to open and close, wherein the pressing body (11) can move vertically in the state that the first packing is closely tightened to the inner side of the rice cooker, and the secondary plate (12) is installed to be able to open and close the fixating part (112).

Description

{Plate for Pressurizing Inner Volume of Rice Pot}

The present invention relates to a push plate for rice cooker for improving preservability, and is capable of moving upward and downward in an internal space in order to reduce the pressure inside the rice cooker, so that the preservation of rice cooker contents can be improved and power consumption can be reduced The present invention relates to a push plate for rice cooker for improving preservability.

In general, a rice cooker is used to cook rice, and various types of rice cookers are known in the art. For example, a rice cooker may be used as an electric rice cooker or a pressure cooker, and may be used for keeping or preserving rice to be cooked or cooked at a later time. When the outside air is inflow or outflowed in the process of keeping or preserving the rice, the taste of the rice may be changed and the power consumption may be increased due to the change of the internal temperature. As a prior art for solving such a problem, there is a utility model registration No. 20-0209055 'vacuum container lid structure'. The prior art has a container lid formed on an upper portion of a container body having a vacuum valve at one side thereof to seal the inside of the container. The container lid has a plurality of And the protruding / detachable contact grooves are extended and arranged at regular intervals from the center to the outer periphery.

As another prior art for solving the problems of the known rice cooker, there is a vacuum container lid of Utility Model No. 20-2010-0004832. The present invention relates to a vacuum container lid for opening and closing an inlet of a container body provided with a space for containing contents, which opens and closes an inlet portion of the container body, and an air inlet / A lid body formed with a packing mounting groove formed in the inside of the tactile display; A check valve coupled to the lid body to open / close the air inlet / outlet hole to shut off the entry of outside air through the air inlet / outlet hole and to discharge air inside the container body; At least one rib protruding along the periphery of the mounting portion to closely adhere and reinforce the mounting portion to the packing mounting groove; and at least one rib extending from the lower end of the mounting portion toward the inner surface of the inlet portion of the container body, And a packing having a tight contact portion which is extended to come into close contact with the inner surface of the inlet portion of the container main body.

As another prior art for solving the problem of the known rice cooker, there is a utility model registration No. 20-0448655 'a vacuum container lid which is easy to be hermetically sealed'. The prior art discloses a container lid comprising a lid body, a check valve and a packing with an intermediate seal.

The known prior art has a problem in that although the inflow and outflow of air is limited, it is difficult to substantially reduce the internal pressure and it is difficult to maintain the taste of the rice.

The present invention has been made to solve the problems of the prior art and has the following purpose.

An object of the present invention is to provide a rice cooker capable of reducing the internal pressure or forming a vacuum so as to be able to move up and down inside the rice cooker to improve the preservability of the contents, Thereby providing a pressing plate.

According to a preferred embodiment of the present invention, the push plate for rice cooker comprises: a pressing body consisting of an extension plate formed with a first packing on a rim and a fixing part formed on the extension plate; And an auxiliary plate including an auxiliary plate coupled to the fixed portion, a peripheral wall defining a rim of the auxiliary plate, a second packing coupled to the peripheral wall, and a discharge hole configured to be openable and closable, Is attached to the inner surface of the rice cooker and can move up and down, and the auxiliary plate is installed so that the stationary portion can be opened and closed.

According to another preferred embodiment of the present invention, the first packing or the second packing includes a first contact portion extending outwardly and a second contact portion located below the first contact portion and extending shorter than the first contact portion, Lt; / RTI >

According to another preferred embodiment of the present invention, at least a part of the extension plate is formed as a curved surface, and a packing fixing frame extending in a planar shape at an edge portion of the extension plate is formed.

The push plate according to the present invention is advantageous in that it can be applied to any rice cooker such as an electric rice cooker, a pressure cooker, or a heat insulating rice cooker so that the taste of the cooked rice can be maintained close to that of the first cooked state. In addition, the pressing plate according to the present invention has an advantage that the power consumption can be reduced in the warming process by preventing the temperature of the inside from being changed while blocking the inflow of air. Further, the pressing plate according to the present invention has an advantage that it is simple in structure and simple in operation, and can be applied to any type of rice cooker.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1A shows an embodiment of a pressure plate according to one embodiment of the present invention. FIG.
FIG. 1B shows a cross-sectional view of the embodiment of FIG. 1A.
1C shows a detailed view of a press plate according to one embodiment of the present invention.
2 shows another embodiment of a pressure plate according to one embodiment of the present invention.
Fig. 3 shows various packing structures that can be applied to pressboards according to one embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so that they will not be described repeatedly unless necessary for an understanding of the invention, and the known components will be briefly described or omitted. However, It should not be understood as being excluded from the embodiment of Fig.

FIG. 1A shows an embodiment of a press plate according to one embodiment of the invention, FIG. 1B shows a sectional view of the embodiment of FIG. 1A, and FIG. 1C shows a press plate according to one embodiment of the present invention. Fig.

1A, 1B, and 1C, a push plate for a rice cooker according to the present invention includes an extension plate 111 having a first packing 113 formed on its rim and a pressing portion 112 formed on the extension plate 111 A body 11; A peripheral wall 122 forming the rim of the auxiliary plate 121, a second packing 126 coupled to the peripheral wall 122, and a second packing 126 formed to be openable and closable The first packing 113 is attached to the inner surface of the cooker so that the first packing 113 can move up and down and the auxiliary plate 12 can be moved up and down. Is provided so as to be able to open and close the fixing part 112. [

The press plate according to the present invention can be applied to any rice cooker such as an electric rice cooker, a pressure cooker or a heat-insulating rice cooker, and can be used for preserving cooked rice, but is not limited thereto. For example, the press plate according to the present invention can be applied to a movable bobbin and the like. As such, the press plate according to the present invention can be applied to any container for preserving prepared rice and is not limited by the kind of container.

The pressing plate is coupled to the pressing body 11 and the pressing body 11 having a structure capable of moving up and down along the inner surface in order to vacuum the lower space inside the rice cooker P, And an auxiliary plate 12 having a function of an inner lid for temporarily removing or storing the rice at the same time.

The pressing body 11 may be composed of a disk-like extension plate 111 and a fixing part 112 forming an inlet to the extension plate 111. [ The extension plate 111 may be made of, for example, stainless steel or plastic material, but may preferably be made of any material known in the art as a material having sanitary and thermal insulation functions. The first packing 113 may be disposed along the rim or circumferential surface of the extension plate 111 to keep the internal space of the rice cooker P in a vacuum state. In this specification, the vacuum state does not mean that the air is removed and the pressure is low, but it means that the amount of air in the certain space inside the rice cooker P is reduced. Therefore, in the present specification, the vacuum state does not mean a vacuum state of a physical meaning but means a state in which the amount of air is reduced or the inflow and outflow of air into a certain space are limited.

The first packing 113 may be formed in various ways and may be made into a ring shape, for example, but not limited thereto, inserted into a groove formed along the circumferential surface of the extension plate 111. [ The first packing 113 may have a function of preventing the air from leaking while being movable or fixed at the same time while allowing the pressing body 11 to move up and down. The first packing 113 can be made of various materials having elasticity without being harmful to the human body, for example, it can be made of a material such as silicon or PDMS (polydimethylsiloxane).

The fixing portion 112 may be formed in a circular wall shape having a predetermined size with respect to the center of the extension plate 111 so as to form an inlet to the extension plate 111. [ Preserved rice or other food inside can be taken out or an external food can be put into the rice cooker P through an inlet formed by the fixing part 112 if necessary. Therefore, the fixing portion 112 can be made an appropriate size in consideration of such a function, and the present invention is not limited by the size of the fixing portion 112. The fastening portion 112 can be made in a variety of configurations and can be made, for example, of a peripheral wall structure extending upwardly from the upper surface of the extension plate 111. However, the fastening portion 112 can be made in various structures in which the auxiliary lid 12 can be coupled, and the present invention is not limited by the structure of the fastening portion 112.

The auxiliary plate 12 can be coupled to the fixing portion 112. [

The auxiliary plate 12 may have a function of closing the fixing part 112 and opening and closing the fixing part 112 at the same time. 1A, 1B, and 1C, the auxiliary plate 12 may have a function of discharging the air inside the rice cooker P to the outside.

The auxiliary plate 12 includes an auxiliary plate 121 extending in a disk shape, a peripheral wall 122 forming the rim of the auxiliary plate 121, a second packing 126 formed in the peripheral wall 122, And an exhaust hole 125a for exhausting air.

The auxiliary plate 121 can be made of materials such as, for example, sanitary plastic or silicone, but is not limited thereto. The auxiliary plate 121 may be curved or planar. The peripheral wall 122 may be formed to extend upward from the peripheral surface of the auxiliary plate 121. The peripheral wall 122 can be made into a structure in which it is inserted into the inner surface of the fixing portion 112 or the fixing portion 112 is inserted into the inner surface. The peripheral wall 122 may be made of any structure that can be releasably coupled to the fastening portion 112 and the present invention is not limited to the embodiments shown.

The second packing 126 formed along the rim of the peripheral wall 122 may be formed in the same or similar structure as the first packing 113. Specifically, the second packing 126 may be formed into a ring shape inserted into a groove formed along the circumferential wall 122 and made of a material such as silicon or PDMS.

The discharge hole 125a can be formed in any part of the auxiliary plate 121 and can be made into various structures that can be hermetically sealed by using auxiliary means. Although an embodiment in which the discharge hole 125a is formed in the central portion of the auxiliary plate 121 is shown in Figs. 1A, 1B, and 1C, the present invention is not limited by the formation position of the discharge hole 125a. The discharge hole 125a may be formed by, for example, a hole penetrating the auxiliary plate 121 and a peripheral wall protruding upward from the auxiliary plate 121. [ The pressing plate may include an opening / closing cap 124 for opening and closing the discharge hole 125a.

The opening and closing cap 124 may have various shapes for opening and closing the discharging hole 125a and may include an opening and closing protrusion 124a that can be removably inserted into the discharging hole 125a, And a fixing protrusion 124b for fixing the protrusion 124b. A fixing hole 125b for fixing the fixing protrusion 124b may be formed on the auxiliary plate 121 as necessary but is not necessarily required. On the other hand, the opening / closing cap 124 can be made only of the opening / closing protrusion 124a. The opening / closing cap 124 may have any structure capable of opening and closing the discharge hole 125a as necessary, and the present invention is not limited to the embodiment shown.

A sealing strip 123 having a circular strip shape may be formed at the upper end of the peripheral wall 122, but is not necessarily required. The sealing strip 123 can function as a handle at the same time while firmly sealing the inlet formed by the fastening portion 112. Specifically, the sealing strip 123 extends in the radial direction of the peripheral wall 122 at the upper end portion of the peripheral wall 122, and the outwardly extending portion has a sealing function and the inwardly extending portion functions as a handle As shown in Fig. A sealing strip 123 having various structures can be formed in the auxiliary plate 12 and the present invention is not limited to the embodiments shown.

Referring to FIG. 1B, the pressing plate may have a structure capable of moving up and down within the rice cooker P. As the pressing plate moves downward, the inner air can be discharged to the outside through the discharge hole 125a, and the discharge hole 125a can be closed using the opening and closing stopper 124 after moving it sufficiently downward. Generally, after the rice is cooked, the inside of the rice cooker becomes hot, which is the expanded state of the air, and the expanded air can be discharged as the push plate is moved downward. If the internal temperature is lowered during the warming process, the internal pressure is lowered when the air is shrunk again, but the lowered pressure can be maintained because the air can not flow from the outside. At the same time, the supply of oxygen is stopped and the taste can be maintained.

1C, the auxiliary plate 121 may have an upwardly convex lens shape and a packing groove 122a for fixing the second packing 126 may be formed below the peripheral wall 1122 . A second packing 126 having a variety of shapes or configurations may be coupled to the packing groove 122a, for example, the second packing 126 may be ring-shaped or, as shown in the enlarged view of Figure 1c, The second packing 126 may have a double ring shape. Specifically, the second packing 126 may have an insertion portion 126c inserted into the packing groove 122a at one side thereof, an insertion portion 126b extending from the insertion portion 126c to abut the inner wall of the fixing portion 112, And a second contact portion 126b formed below the first contact portion 126a and having a shorter extension length than the first contact portion 126a while being formed under the first contact portion 126a extending therefrom. The double contact structure has an advantage that the inflow or outflow of air can be completely blocked during the upward and downward movement of the push plate. As will be described below, the first packing 113 has the same or similar structure have.

On the other hand, the inwardly extending portion of the sealing strip 123 formed in the upper portion of the peripheral wall 122 can form the handle 127. However, the sealing strip 123 itself may have a handle function and the sealing strip 123 or the handle 127 may be formed in various ways.

Various packing structures can be applied to the pressing plate according to the present invention, and the present invention is not limited to the embodiments shown. The push plate can have various structures and is not limited to the illustrated embodiment. For example, an auxiliary plate may not be formed on the pressing plate.

2 shows another embodiment of a pressure plate according to one embodiment of the present invention.

Referring to FIG. 2, the pressing plate may include an elongated body 211 and a moving handle 22. The elongated body 211 may have a convex lens shape and may be an insulating coating or a sanitary coating on the inner surface if necessary. The sanitary coating refers to a coating using, for example, a coating agent to which a deodorizing component such as zeolite or phytoncide is added to polyurethane or polypropylene. Alternatively, such an additive may be added to the elongated body 21 itself by making it polyurethane or polypropylene. A discharge hole 125a and a fixing hole 125a may be formed in the elongated body 211 and a sealing lid may be coupled to the discharge hole 125a and the fixing hole 125a. However, the fixing hole 125a is not formed separately but only the discharge hole 125a is formed, and the discharge hole 125a can be closed to be opened and closed by the sealing member. The shift knob 22 may be formed at the middle portion of the elongated body 211. [ The shifting knob 22 may comprise a ceiling head 221 and a connecting leg 222 which is coupled to the ceiling head 221 at one end and to the elongated body 211 at the other end. If desired, the connecting legs 222 may be made in a concave structure at the intermediate portion, but are not necessarily required. Various types of shift knobs 22 can be coupled to the elongated body 211 and the present invention is not limited to the embodiments shown.

The first packing may be engaged along the rim or edge of the elongated body 211 as described above.

Fig. 3 shows various packing structures that can be applied to pressboards according to one embodiment of the present invention.

It should be understood that although the first packing is shown as an embodiment in the embodiment shown in FIG. 3, the second packing may have the same or similar structure.

3 (a), a fixing portion 112 is formed at an inner portion of the extension plate 111, and the extension plate 111 can have a generally convex lens shape, or at least a portion can have a convex lens structure have. A packing fixing frame 311 may be formed at an edge or an outer portion of the extension plate 111. The packing fixing rim 311 may extend in a planar shape from the end portion of the extension plate 111. The packing fixing frame 311 has an advantage that the pressing plate can be easily moved up and down while the sealing function can be maintained in the up and down movement process. The first packing 312 may be in the shape of a ring or a circular strip and may be inserted and fixed in the packing groove 311a formed along the edge of the packing fixing frame 311. [ Referring to FIG. 3 (b), a packing groove 311a may be formed in the packing fixing frame 311 and a coupling leg 312d may be formed in the second packing 312 to be coupled to the packing groove 311a . The coupling leg 312d may be in the form of a fork and may have a shape in which both portions of the packing groove 311a are inserted. Referring to FIGS. 3 (a) through 3 (e), the packing grooves 311a may not be formed, or the packing grooves 311a may be formed as one or two. The second packing 312 that is coupled to the packing groove 311a may have no packing legs or may have a forked packing leg 312d or a single groove shaped packing leg 312d.

On the other hand, the contact portion contacting the inner surface of the rice cooker may consist of a single contact portion 312c or may consist of a first contact portion 312a and a second contact portion 312b. In the case of the single contact portion 312c, the large portion to be contacted may be thicker or ball-shaped than the other portion. In the case of the two contact portions 312a and 312b, the first contact portion 312a formed on the upper side may have a structure elongated as compared with the second contact portion 312b formed on the lower side. In addition, the end portions of the first contact portion 312a or the second contact portion 312b may be ball-shaped.

The second packing 312 can be made of a resilient material and can be made of, for example, a material such as silicon or PDMS, but is not limited thereto. Such an airtight structure prevents leakage or outflow of air during up-and-down movement of the push plate, and improves sealing or keeping performance.

Packings having various structures can be applied to the pressing plate according to the present invention, and the present invention is not limited to the embodiments shown.

According to the push plate of the present invention, the movement of the air inside the rice cooker is blocked due to the movable sealing structure, so that the taste of rice can be maintained for a long period of time. For example, when the rice is cooked and moved in a hot state downward, the expanded air can be discharged to the outside. When the temperature is lowered, the air is compressed and the pressure inside the cooker is reduced. However, the outside air can not be brought into contact with the rice due to the pressing plate, so that the taste of rice can be preserved for a long time. In addition, since the outside air is blocked during the preservation of the rice, the temperature change inside the rice cooker is limited and the power consumption is reduced during the warming process. For example, when a pressure board according to the present invention is used, the power consumption during the insulation process can be reduced by 10 to 30%.

The press plate according to the present invention can be applied to a container such as, for example, a portable insulated passage. The pressure plate according to the present invention can be applied to various containers, and the present invention is not limited to the embodiments shown.

The push plate according to the present invention is advantageous in that it can be applied to any rice cooker such as an electric rice cooker, a pressure cooker, or a heat insulating rice cooker so that the taste of the cooked rice can be maintained close to that of the first cooked state. In addition, the pressing plate according to the present invention has an advantage that the power consumption can be reduced in the warming process by preventing the temperature of the inside from being changed while blocking the inflow of air. Further, the pressing plate according to the present invention has an advantage that it is simple in structure and simple in operation, and can be applied to any type of rice cooker.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention . The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

11: pressing body 12: auxiliary plate
22: shift knob
111: extension plate 112: fixed part
113: first packing 121: auxiliary plate
122: circumferential wall 122a: packing groove
123: sealing strip 124: sealing plug
124a: opening / closing projection 124b:
125a: Discharge hole 125b: Fixed hole
126: second packing 126a: first contact portion
126b: second contact portion 126c:
127: handle 211: elongated body
221: ceiling head 222: connecting leg
311: packing fixing frame 311a: packing groove
312a: first contact portion 312b: second contact portion
312c: single contact portion 312d: connecting leg

Claims (3)

In the push plate for rice cooker,
A pressing body 11 composed of an extension plate 111 formed with a first packing at a rim and a fixing part 112 formed at an extension plate 111; And
An auxiliary plate 121 coupled to the fixed portion 112, a peripheral wall 122 defining the rim of the auxiliary plate 121, a second packing 126 coupled to the peripheral wall 122, And an auxiliary plate (12) including an opening / closing cap (124) for opening and closing the hole (125a) and the discharge hole (125a)
The pressing body (11) can be moved up and down with the first packing being in close contact with the inner surface of the cooker, and the auxiliary plate (12) is provided to be able to open and close the fixing part (112) 2 packing comprises a first contact portion 312a extending outwardly and a second contact portion 312b located below the first contact portion 312a and extending shorter than the first contact portion 312a Features push plate for rice cooker. delete 2. The battery pack according to claim 1, wherein at least a part of the extension plate (111) is formed as a curved surface, a packing fixing frame (311) extending in a plane shape is formed at an edge portion of the extension plate (111) And a coupling leg (312d) formed on the second packing to be coupled to the packing groove (311a) is formed on the second packing.

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