JPH0355400Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The invention uses a small opening for steam escape and a large opening between the lid and the pot, depending on the amount of steam generated during cooking and the amount of bubbles in the pot. The present invention relates to a pot that can form an opening in two stages to prevent boiling over.

[Prior Art and Problems] Conventionally, boiling-over prevention pots are shown in Figs. 6 and 7.

That is, the lid receiving peripheral wall 2 of the pot body 1 is erected on the outer periphery,
Narrow steam blowing recesses 4 are horizontally recessed in several places along the circumference of the lid receiving surface 3, which has a roughly L-shaped cross section, and the outer diameter of the periphery 6 of the lid 5 is adjusted to match the lid of the pot body 1. Receiving wall 2
The setting is such that a gap a for steam escape exists between the inner peripheral surface of the pot body 1 and the steam outlet recess 4.
It is released into the atmosphere through the escape gap a.

When cooking with such a boil-over prevention pot, (1) During normal cooking, it is normally covered and steam is released from the plurality of escape gaps a.

(2) When cooking steamed food, shift the lid 5 to one side, bring the peripheral edge 6 of the lid 5 into contact with the inner peripheral surface of the lid receiving peripheral wall 2 of the pot body 1, and widen several escape gaps a on the other side. releases large amounts of steam.

However, since the steam blowing recess 4 is narrow (the width in the circumferential direction is narrow) and the steam blowing surface area is small, (a) Even with cooking in (1) above, in the case of abnormal boiling, the steam release rate is large and causes boiling over.

(b) In particular, when cooking foods that tend to produce bubbles, such as oden mixed with kelp, bubbles containing kelp are often released along with the released steam, often resulting in boiling over.

Therefore, if the above phenomena (a) and (b) occur,
Although chopsticks or the like may be inserted between the pot body 1 and the lid 5 to tilt the lid 5 to increase the steam release area, the work of inserting an object into the lid 5 where steam is generated is, so to speak, high-temperature work. Not only is this a difficult task, but it is also not easy to set and maintain a suitably large opening for the lid 5.

The object of the present invention is to provide a boil-over prevention pot that not only allows the surface area of the steam blowing portion to be adjusted, but also allows the lid to be easily held in an inclined state as required.

[Means for solving problems]

The present invention provides a lid receiving surface having a width that allows horizontal movement of the lid placed on the upper end of the pot body, a lid receiving peripheral wall that protrudes upward on the outside of the lid receiving surface, and the lid receiving surface described above. The above-mentioned blow-off recesses having a constant depth and wide circumferential direction are provided at positions facing each other along the ridge line of the inner surface of the side wall of the pot body, and the above-mentioned blow-off recesses are large enough to substantially close both steam blow-off recesses. When the lid is moved along the lid receiving surface, a steam escape opening is formed between the lid and the steam blowing recess, and when the lid is tilted and locked in the steam blowing recess. A large opening for preventing boiling over is formed between the lid and the pot body, and the opening is adjusted in two stages: the opening for steam escape and the opening for preventing boiling over. It is something.

〔Example〕

Embodiments of the present invention will be described with reference to the drawings.

Note that the same parts as in the conventional example are given the same reference numerals.

In FIGS. 1 and 2, the pot body 1 has a lid receiving peripheral wall 2 projecting upwardly on its upper end surface, the lid receiving peripheral wall 2 having an inner diameter considerably larger than the outer diameter of the lid 5. A horizontal lid receiving surface 7 is formed inside.

Steam blowing recesses 9 having a constant depth and wide width in the inner circumferential direction are provided at opposing positions along the ridge line where the lid receiving surface 7 and the side wall inner surface 8 of the pot body 1 intersect.

As shown in FIG. 1, the outer diameter of the lid 5 is set to a size that almost covers the pair of steam blowing recesses 9 in the normal covered state, and the depth and width of the steam blowing recesses 9 are is set constant in accordance with the outer diameter of the lid 5 in order to maintain the tilted state of the lid 5 as will be described later.

Reference numeral 10 is a knob of the lid 5.

To cook with the pot of this embodiment configured as described above, first, for cooking in which bubbles are not likely to be generated, cover the lid 5 in the normal state at first, and then close the lid 5 when the broth comes to a boil. Move horizontally and adjust the opening for steam escape with an opening degree S ₁ between the lid 5 and the steam blowing recess 9 over a wide range to adjust the amount of steam blowing out and prevent boiling over (see Figure 3). .

The lid receiving surface 7 has a wide enough area to allow horizontal movement adjustment of the lid 5, and the cook can easily adjust the opening to any desired opening degree by operating the knob 10.

In the case of cooking that tends to generate bubbles, such as oden, when the broth boils, the bubbles are released from the pot body 1 together with the blown steam, causing boiling over, so it is necessary to reduce the speed of steam blowing out.

Therefore, as shown in FIG. 4 and FIG.
When the other part is placed on the upper edge Q of the steam blowing recess 9, the lid 5 is locked at points P and Q of the steam blowing recess 9, and the lid 5 is tilted. An opening for preventing boiling over is formed between the lid and the pot body and has an opening degree S ₂ larger than the opening degree S ₁ .

Therefore, the generated steam blows out in the direction of arrow 11, and the generated bubbles are oriented toward the opposite side of the steam blowing path, as shown by arrow 12.
It circulates in the direction shown and stagnates, so no boiling occurs.

The reason why the bubbles are biased toward the opposite direction from the steam outlet side is not clear, but it was observed and confirmed through experiments.

This phenomenon is thought to be the same as the phenomenon in which water bubbles floating in a stream of water become stagnant in areas where the stream stagnates. As described above, the present invention not only makes it possible to finely adjust the opening degree of the steam blowing recess by horizontally moving the lid, but also allows the lid to be tilted to open the pair of steam blowing recesses when cooking where bubbles are likely to occur. Because it can be locked to
A small opening for steam escape and a large opening to prevent boiling over can be formed in two stages between the lid and the pot, which prevents boiling over even when the amount of steam or the amount of bubbling in the pot increases. In addition, there is no danger of the lid falling from the pot body, so you can safely cook in a pot.

〔effect〕

The present invention has the following advantages.

(a) By horizontally moving the lid, the steam escape opening formed between the lid and the steam blowing recess can be easily finely adjusted.

(b) When the amount of steam or the amount of bubbling in the pot increases, the lid is tilted and locked in the steam outlet recess to maintain a large steam outlet path between the pot body and the lid. It is possible to prevent boiling over.

(c) There is no need to provide special equipment to prevent boiling over, which is difficult to handle, on the pot body and lid, and the structure is extremely simple.

[Brief explanation of drawings]

1 to 5 show embodiments of the present invention.
The figure is a vertical cross-sectional view of the pot, Figure 2 is a plan view of the pot body with the lid removed, Figure 3 is a vertical cross-sectional view showing the state of use with the lid horizontally shifted, and Figure 4 is a vertical sectional view of the pot body with the lid removed. FIG. 5 is a plan view of the same as above, FIG. 6 is a perspective view of the conventional pot body, and FIG. 7 is a longitudinal sectional view of the conventional pot. 1... Pot body, 5... Lid, 7... Lid receiving surface, 8...
...Inner surface of side wall, 9...Steam blowing recess.

Claims (1)

[Scope of utility model registration request] A lid receiving surface having a width that allows horizontal movement of the lid placed on the upper end of the pot body, and a lid receiving peripheral wall protruding upward on the outside of the lid receiving surface, and a side wall of the lid receiving surface and the pot body. The above-mentioned blowout recesses having a constant depth and wide width in the circumferential direction are provided at opposing positions along the ridge line of the inner surface, and the above-mentioned lid having a size that can substantially close both the above-mentioned blowout recesses is provided on the lid receiving surface. A steam escape opening is formed between the lid and the steam blowing recess when the lid moves along the steam blowing recess, and when the lid is tilted and locked in the steam blowing recess, the lid and the pot body A boil-over prevention pot characterized in that a large boil-over prevention opening is formed between the boil-over boil prevention pot and the opening is adjusted in two stages: the boil-over prevention opening and the boil-over prevention opening.