JP2009285103A - Container for heating - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a container for heating which does not impose a large negative pressure on a cover body after it is cooled down and negative pressure is generated inside the container, allows the cover to easily open after cooking, has a simple valve structure, and is easy to wash after cooking. <P>SOLUTION: An inner wall surface 2b of a container body 2 is provided with: a first insertion groove 2d which continues to an insertion part 2c of the container body 2 and is inserted in a diameter expanded part 3b of the cover body 3; a second insertion groove 2e which has an inner diameter corresponding to an outer diameter of the diameter expanded part 3d of the cover body 3 and is inserted in the diameter expanded part 3b; and an air flow groove 2f linked in the axial direction of the container body 2 from the second insertion groove 2e through the first insertion groove 2d to an upper part opening part 2a of the container body 2. When the container is heated and pressured in the state that the diameter expanded part 3b of the cover body 3 is inserted in the second insertion groove 2e of the container body 2, the diameter-expanded part 3b of the cover body 3 moves into the first insertion groove 2d of the container body 2 by inner pressure, is inserted in the insertion part 2c, the air flow groove 2f is opened and exhausted, whereas when cooled down and negative pressure occurs, the air is sucked through the opening air flow groove 2f. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a heating container having an upper-opening container body and a lid that can close the upper opening of the container body.

  Conventionally, as a microwave heating container, for example, as described in Japanese Patent Application Laid-Open No. 2000-316716 (Patent Document 1), when the vapor pressure in the container body closed with a lid reaches a predetermined high pressure, There has been proposed a valve mechanism for exhausting steam.

JP 2000-316716 A

  However, in the technique of the above-mentioned Patent Document 1, when the inside of the container is cooled to a negative pressure after heating, the valve mechanism is closed again, a large negative pressure acts on the lid body, and the lid after cooking is opened. It could be difficult. Moreover, since the valve mechanism is complicated, there is a problem that washing after cooking is difficult and unsanitary.

  The present invention solves the above-mentioned problems, and the object of the present invention is that a large negative pressure does not act on the lid even if it is cooled after heating and the inside of the container becomes a negative pressure. It is intended to provide a heating container that can be easily opened, has a simple valve structure, and can be easily washed with water after cooking.

  The first configuration of the heating container according to the present invention for achieving the above object is that the first container and the second container are fitted, and at least one of the first container or the second container is flexible. A heating container having a property, wherein either one of the first container and the second container is provided with a protrusion, and the other of the first container and the second container provided with the protrusion is A locking part that can be fitted and locked to a part of the protruding part, a first fitting groove that is continuous with the locking part and can be fitted to a part of the protruding part, and the first A second fitting groove that is formed continuously with the fitting groove and can be fitted to a part of the protruding portion, and extends from the second fitting groove to the opening of the container through the first fitting groove. A vent groove communicated in the axial direction of the container, and heated and pressurized in a state where a part of the protrusion is fitted in the second fitting groove. And a part of the projecting portion is moved into the first fitting groove by the internal pressure and is locked by the locking portion, and the ventilation groove is opened and exhausted, while being cooled to a negative pressure. In this case, the air is sucked from the opened ventilation groove.

  In addition, a second configuration of the heating container according to the present invention includes an upper opening type container main body and a lid that can close the upper opening of the container main body, and the container main body or the lid At least one is a flexible heating container, and the lid body has a protrusion that can be fitted into the upper opening of the container body, and the inner wall surface of the upper opening of the container body has A locking portion that is provided on the upper opening side of the container body and that can be fitted and locked with a part of the protruding portion of the lid; and the protruding portion of the lid that is continuous with the locking portion A first insertion groove into which a part of the protrusion can be inserted, an inner diameter corresponding to the outer diameter of a part of the protrusion of the lid, and formed below the first insertion groove. A second insertion groove into which a part of the container can be inserted, and an upper opening of the container body from the second insertion groove through the first insertion groove And a vent groove communicating with the container body in the axial direction is provided, and is heated and pressurized in a state in which a part of the protruding portion of the lid is fitted in the second fitting groove of the container body. Then, a part of the protruding portion of the lid body is moved into the first insertion groove of the container main body by the internal pressure, and is locked by the locking portion, and the ventilation groove is opened and exhausted. Then, when the air is cooled to a negative pressure, the air is sucked from the opened ventilation groove.

  The third configuration of the heating container according to the present invention is characterized in that, in the first and second configurations, the ventilation groove is provided on the circumference of the inner wall surface of the opening of the container. .

  According to the first configuration of the heating container according to the present invention, in a state where a part of the protrusion provided on either the first container or the second container is fitted in the second fitting groove of the other container. When heated and pressurized, a part of the projecting part moves into the first insertion groove by the internal pressure and is locked by the locking part, and the ventilation groove is opened and exhausted. The two containers do not come apart. Further, when the inside of the container is cooled to a negative pressure after being heated, a large negative pressure does not act on the container since it is sucked from the opened ventilation groove, and the container can be easily opened after cooking.

  According to the 2nd structure of the container for a heating which concerns on this invention, if it heats and pressurizes in the state which inserted a part of protrusion part of the cover body in the 2nd insertion groove | channel of the container main body, it will be of the cover body by internal pressure. A part of the protruding portion moves into the first fitting groove of the container body and is locked by the locking portion, and the ventilation groove is opened and exhausted, so that the lid body does not come off from the container body due to pressurization. Further, when the inside of the container is cooled to a negative pressure after being heated, air is sucked from the opened ventilation groove, so that a large negative pressure does not act on the lid body, and the lid after cooking is easily opened.

  In addition, since the valve structure is simple, the lid and the container body after cooking can be easily washed with water, which is hygienic. Moreover, the cooking process can be confirmed by visually recognizing that a part of the protruding portion of the lid body has moved from the second insertion groove into the first insertion groove by changing the height of the lid body.

  Moreover, according to the 3rd structure of the container for a heating which concerns on this invention, by providing the ventilation groove | channel on the circumference | surroundings of the inner wall surface of the opening part of a container, the container at the time of a heating and after a heating through this ventilation groove Ventilation between the inside and outside air can be made uniform, and deformation of the container can be prevented.

  An embodiment of a heating container according to the present invention will be specifically described with reference to the drawings. FIG. 1 is a perspective explanatory view showing the configuration of a heating container according to the present invention, and FIG. 2 is a cross-sectional explanation showing a state where a diameter-enlarged portion that is a part of a protruding portion of a lid is inserted into a second insertion groove of a container body. FIGS. 3 and 3 are cross-sectional explanatory views showing a state in which the enlarged diameter portion, which is a part of the protruding portion of the lid, is moved into the first insertion groove of the container body by the internal pressure and is locked to the locking portion.

  In FIG. 1 to FIG. 3, reference numeral 1 includes an upper opening type container main body 2 serving as a first container, and a lid 3 serving as a second container capable of closing the upper opening 2 a of the container main body 2, The container body 2 and the lid 3 are heating containers having flexibility. Note that either the container body 2 or the lid 3 may be flexible. The container body 2 and the lid body 3 can be configured to be transparent or translucent, and the material of the container body 2 and the lid body 3 of the present embodiment is a thermoplastic plastic having heat resistance.

  The lid 3 has a protruding portion 3a that can be fitted into the upper opening 2a of the container body 2, and has a larger diameter portion 3b having an outer diameter larger than the outer diameter of the protruding portion 3a body at the lower end portion of the protruding portion 3a. The inner wall surface 2b of the upper opening 2a of the container body 2 is provided on the upper opening 2a side of the container body 2 and can be fitted and locked with the enlarged diameter portion 3b of the lid 3 A stop portion 2c, a first insertion groove 2d which is continuous with the locking portion 2c and can be fitted with the enlarged diameter portion 3b of the lid 3, and is formed continuously below the first insertion groove 2d and A second fitting groove 2e having an inner diameter smaller than the inner diameter of the first fitting groove 2d and corresponding to the outer diameter of the enlarged diameter portion 3b of the lid 3, and capable of fitting the enlarged diameter portion 3b; and the second fitting groove 2e passes through the first insertion groove 2d and the upper opening 2a of the container body 2 in the axial direction of the container body 2 (vertical direction in FIGS. 2 and 3). A ventilation groove 2f that are communicated is provided.

  A plurality of ventilation grooves 2f are preferably provided on the circumference of the inner wall surface 2b of the upper opening 2a of the container body 2. In this embodiment, the ventilation grooves 2f face each other on the circumference of the inner wall surface 2b of the upper opening 2a of the container body 2. Although two ventilation grooves 2f are provided, a plurality of other ventilation grooves 2f such as one, three, four, or the like are arranged on the circumference of the inner wall surface 2b of the upper opening 2a of the container body 2 at a predetermined pitch. Can be provided.

  Further, handle portions 2g and 3c are provided at positions facing each other on the circumference of the outer wall surface of the upper opening 2a of the container body 2 and the circumference of the outer wall surface of the lower opening of the lid body 3, respectively. Further, an abutting portion 2h is provided continuously to the second insertion groove 2e of the container body 2, and the enlarged diameter portion 3b of the lid 3 is replaced with the second insertion groove 2e of the container body 2 as shown in FIG. The lower end surface 3a1 of the projecting portion 3a of the lid body 3 abuts against the corresponding contact portion 2h.

  In the above configuration, as shown in FIG. 2, when the inside of the container 1 is pressurized by heating in the microwave oven with the diameter-enlarged portion 3 b of the lid 3 fitted in the second fitting groove 2 e of the container body 2, As shown in FIG. 3, the diameter-enlarged portion 3b of the lid 3 is moved into the first fitting groove 2d of the container body 2 by the internal pressure and is locked by the locking portion 2c, and the ventilation groove 2f is opened and exhausted. Therefore, the lid 3 is not detached from the container main body 2 by pressurization.

  When the container 1 is naturally cooled after cooking and the inside of the container 1 has a negative pressure, outside air is sucked from the open ventilation groove 2f, so that a large negative pressure does not act on the lid 3, and the lid 3 after cooking is opened. Easy.

  Moreover, since the valve structure is simple, the lid 3 and the container main body 2 after cooking can be easily washed with water, which is hygienic. Moreover, the process of cooking can be confirmed by visually recognizing that the diameter-enlarged portion 3b of the lid 3 has moved from the second insertion groove 2e into the first insertion groove 2d by changing the height of the lid 3. .

  In addition, although the said embodiment demonstrated an example at the time of providing the 1st, 2nd insertion grooves 2d and 2e from which the internal diameter from which the enlarged diameter part 3b of the cover body 3 is inserted differs, the expanded diameter part of the cover body 3 The number of the insertion grooves into which 3b is inserted is not limited to two, but three or more insertion grooves whose inner diameters are sequentially increased toward the upper opening 2a side are provided, and the uppermost insertion grooves are sequentially arranged from the bottom insertion groove. A ventilation groove 2f that communicates in the axial direction of the container body 2 (vertical direction in FIGS. 2 and 3) through the fitting groove and across the upper opening 2a of the container body 2 can also be provided.

  In addition, although the said container 1 for heating is suitable as the container 1 for microwave ovens, when hot water is put in a normal pan and the said container 1 for heating is used as an inner pot for cooking inside However, the present invention can also be applied, and can be applied even when the container body 2 is made of aluminum and the container body 2 is directly lit.

  2 and 3, the container body 2 and the lid 3 may be the heating container 1 upside down, and the first container and the second container are fitted to each other. At least one of the second containers is a heating container 1 having flexibility, and either one of the first container and the second container is provided with a protruding portion (expanded diameter portion 3b), and the protruding portion (expanded diameter) The other part of the first container or the second container provided with the part 3b) is a locking part (locking part 2c) that can be fitted and locked to a part of the protruding part (the enlarged diameter part 3b), A first fitting groove (first fitting groove 2d) that is continuous with the locking portion (locking portion 2c) and can be fitted into a part of the protruding portion (the enlarged diameter portion 3b), and the first fitting groove A second fitting groove (second fitting groove 2e) that is formed continuously with (first fitting groove 2d) and can be fitted to a part of the protruding portion (expanded diameter portion 3b), and the second fitting Groove (second insertion groove e) through the first fitting groove (first fitting groove 2d) to the opening of the container 1, the ventilation groove (venting groove 2f) communicated in the axial direction of the container 1 is provided. When a part of the enlarged diameter part 3b) is heated and pressurized in a state of being fitted in the second fitting groove (second fitting groove 2e), a part of the protruding part (the enlarged diameter part 3b) is It moves into one fitting groove (first fitting groove 2d) and is locked by a locking part (locking part 2c), and the ventilation groove (venting groove 2f) is opened and exhausted, while being cooled. When the negative pressure is reached, the air can be sucked from the opened ventilation groove (venting groove 2f).

  As an application example of the present invention, the present invention can be applied to a heating container having an upper opening type container main body and a lid that can close the upper opening of the container main body.

It is a perspective explanatory view showing the composition of the container for heating concerning the present invention. It is sectional explanatory drawing which shows the state which inserted the enlarged diameter part used as a part of protrusion part of a cover body in the 2nd insertion groove | channel of a container main body. It is sectional explanatory drawing which shows the state to which the enlarged diameter part which becomes a part of protrusion part of a cover body by the internal pressure moved in the 1st insertion groove | channel of a container main body, and was latched by the latching | locking part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Heating container 2 ... Container main body 2a ... Upper opening part 2b ... Inner wall surface 2c ... Locking part 2d ... 1st insertion groove 2e ... 2nd insertion groove 2f ... Ventilation groove 2g ... Handle part 2h ... Contact part 3 ... Lid 3a ... Projection
3a1 ... lower end surface 3b ... expanded diameter part 3c ... handle part

Claims (3)

A first container and a second container are fitted, and at least one of the first container or the second container is a heating container having flexibility,
A protrusion is provided on either the first container or the second container,
In the other of the first container or the second container provided with the protrusion,
A locking portion that can be fitted and locked to a part of the protruding portion;
A first fitting groove that is continuous with the locking portion and can be fitted into a part of the protruding portion;
A second fitting groove formed continuously to the first fitting groove and fitted into a part of the protruding portion;
A ventilation groove communicated in the axial direction of the container from the second fitting groove through the first fitting groove to the opening of the container;
Is provided,
When heated and pressurized in a state where a part of the protruding part is fitted in the second fitting groove, a part of the protruding part is moved into the first fitting groove by internal pressure and the locking is performed. A heating container, wherein the ventilation groove is opened and exhausted while the ventilation groove is opened, and the air is sucked from the opening ventilation groove when cooled to a negative pressure. An upper-opening container body and a lid that can close the upper opening of the container body, and at least one of the container body or the lid is a heating container having flexibility, The lid has a protrusion that can be fitted into the upper opening of the container main body, and is provided on the inner wall surface of the upper opening of the container main body on the upper opening side of the container main body. A locking portion that can be fitted and locked with a part of the protruding portion, a first fitting groove that is continuous with the locking portion and can be fitted with a portion of the protruding portion of the lid, and the first A second insertion groove that is formed continuously below the insertion groove and has an inner diameter corresponding to the outer diameter of a part of the protrusion of the lid, and is capable of inserting a part of the protrusion; A passage communicated in the axial direction of the container main body from the two insertion grooves through the first insertion groove to the upper opening of the container main body. A groove is provided, and when a part of the protrusion of the lid is heated and pressurized in a state of being fitted into the second insertion groove of the container body, one of the protrusions of the lid is caused by internal pressure. The portion moves into the first insertion groove of the container body and is locked by the locking portion, and the ventilation groove is opened and exhausted, while the ventilation is opened when cooled to a negative pressure. A heating container which is sucked from a groove. The heating container according to claim 1 or 2, wherein the ventilation groove is provided on a circumference of an inner wall surface of the opening of the container.

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