JP6603088B2 - Cooking pot - Google Patents

Description

  The present invention relates to a steam heating type cooking pot.

  In the field of food processing, steam-heated cooking pots are used to boil cooked ingredients. A conventional cooking pot has a semispherical bottom that swells downward, and the bottom has a double structure of an outer bottom and an inner bottom. A heating chamber is formed between the outer bottom and the inner bottom, and the cooking ingredients in the pot body are heated by supplying heating steam to the heating chamber. For example, Patent Document 1 shows a structure in which a plurality of fins are attached to the inner bottom of the bottom of the pot in the heating chamber in order to improve the heat exchange efficiency.

JP 2007-222272 A

  In the structure disclosed in Patent Document 1, a heating steam supply port is disposed on the side of the outer bottom, and a heating steam discharge port is disposed on the side opposite to the hook body. Therefore, when the heating steam is supplied from the supply port to the heating chamber, it passes through the outer peripheral side of the bottom surface and is discharged from the discharge port, and is difficult to reach the center of the bottom surface. Therefore, the outer peripheral side is more easily heated than the center of the pot body, only the surrounding cooking ingredients boil, the cooking ingredients in the center of the pot body do not flow, the whole cannot be cooked uniformly, May occur.

  This invention is made | formed in view of said point, The place made into the objective is to provide the heating cooking pot which can equalize | homogenize heating.

  The heating cooking pot of the present invention that solves the above problem is a heating cooking pot that receives supply of heating steam to a heating chamber between an inner bottom plate and an outer bottom plate of the pot body, and the heating chamber is a lower surface of the inner bottom plate. A central heating chamber having an upper surface in the central region, and the central heating chamber is provided with an opening that opens downward.

  According to the present invention, by supplying the heating steam to the central heating chamber, the heating steam can stay in the central heating chamber, and the thermal energy of the heating steam can be effectively transmitted to the cooking food at the center of the pot body. The heated steam whose temperature has been lowered by the transfer of thermal energy descends in the central heating chamber and flows out of the central heating chamber through an opening that opens downward. And it moves upward while spreading outside along the inner bottom plate in the outer heating chamber, and the remaining heat energy can be transmitted to the cooking ingredients around the pot body. Therefore, the center of the hook body can be sufficiently heated, and the whole can be heated uniformly.

The figure which shows one Example of the heating cooking pot of this invention in a cross section. Sectional drawing which shows the structural example of a heating chamber. The figure explaining the state which heated the hook center. The figure explaining the state which heated the pot periphery. The figure explaining the state which heated the whole hook. Sectional drawing which shows the other Example of a heating chamber.

Next, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a cross-sectional view showing an embodiment of a cooking pot according to the present invention. The heating cooking pot 1 has a pot body 2. The shuttle main body 2 is supported by a frame 3 so as to be swingable, and can be tilted to a predetermined inclination angle by rotating the handle 4.

  The shuttle main body 2 has a cylindrical barrel portion 11 and a hemispherical shuttle bottom 12 protruding downward from the barrel portion 11. The pot bottom 12 has a double structure of an outer bottom plate 21 and an inner bottom plate 31, and a heating chamber 41 is formed between the outer bottom plate 21 and the inner bottom plate 31.

  The heating chamber 41 is formed by covering the entire lower surface of the inner bottom plate 31 and the lower portion of the body portion 11 with the outer bottom plate 21. A liquid collecting portion 22 is provided at the lower center of the outer bottom plate 21. The liquid collection unit 22 has a bottomed cylindrical shape that protrudes downward from the lower surface of the outer bottom plate 21, and collects the dew condensation water condensed by the heating steam in the heating chamber 41.

  Shaft portions 5 and 6 for supporting the frame 3 are provided at both left and right ends of the outer bottom plate 21. One shaft portion 5 is provided with a supply passage 5a for supplying heating steam into the heating chamber 41, and the other shaft portion 6 is a discharge for discharging condensed water in the heating chamber 41. A passage 6a is provided.

  The heating chamber 41 is connected to a first pipe (first steam supply path) 51 and a second pipe (second steam supply path) 52 for supplying heated steam. The base end of the first pipe 51 (the other end of the first steam supply path) and the base end of the second pipe 52 (the other end of the second steam supply path) are connected to the supply passage 5 a of the shaft portion 5. Yes. The supply passage 5a of the shaft portion 5 is connected to a supply source of heating steam (not shown) so as to receive the supply of heating steam. Valves 53 and 54 are attached in the middle of the passage of the first pipe 51 and the second pipe 52, respectively, and can be opened and closed independently of each other. The front end of the first pipe 51 is fixed through the lower center of the outer bottom plate 21, and the second pipe 52 is fixed through the position where the front end is biased laterally from the center of the outer bottom plate 21. Yes. A drain pipe 55 is provided in the heating chamber 41. The drain pipe 55 has a distal end disposed in the liquid collection part 22 and a proximal end connected to the discharge passage 6 a of the shaft part 6.

FIG. 2 is a cross-sectional view illustrating a configuration example of the heating chamber.
The heating chamber 41 is divided into a central heating chamber 42 and an outer heating chamber 43 which is an outer portion thereof. The central heating chamber 42 forms a predetermined indoor space whose upper surface is the central region of the lower surface of the inner bottom plate 31, and has an opening 15 that opens downward. The outer heating chamber 43 forms an indoor space other than the central heating chamber 42 in the heating chamber 41 with the outer region outside the central region on the lower surface of the inner bottom plate 31 as the upper surface.

  The central heating chamber 42 protrudes downward from the inner bottom plate 31, and the vertical wall portion 13 that partitions the lower surface of the inner bottom plate 31 into a central region and a peripheral region, and the inner bottom plate 31 between the inner bottom plate 31 and the outer bottom plate 21. It has a bottom wall portion 14 that extends opposite the central region of the lower surface and partitions the space between the inner bottom plate 31 and the outer bottom plate 21 in the vertical direction. The opening 15 is provided in the bottom wall portion 14 and communicates between the central heating chamber 42 and the outer heating chamber 43.

  The vertical wall portion 13 has a short-axis cylindrical side partition plate 32, and the bottom wall portion 14 has a disk-shaped flat partition plate 23 having a smaller diameter than the side partition plate 32. The opening 15 is formed by a gap between the side partition plate 32 and the planar partition plate 23. The lower end of the side partition plate 32 protrudes to a position below the flat partition plate 23, but a gap is provided between the outer partition plate 21 and heating steam and condensed water can pass therethrough. ing.

  The flat partition plate 23 is fixed to the tip of the first pipe 51 that penetrates the liquid collecting portion 22 of the outer bottom plate 21 and protrudes into the heating chamber 41. An opening hole 24 is provided at the center position of the plane partition plate 23, and the tip of the first pipe 51 communicates. That is, the central heating chamber 42 communicates with the tip of the first pipe 51 (one end of the first steam supply path), so that the heating steam can be supplied from the first pipe 51 to the central heating chamber 42. The outer heating chamber 43 communicates with the tip of the second pipe 52 (one end of the second steam supply path). Therefore, the heating steam can be supplied from the second pipe 52 to the outer heating chamber 43.

  The heating steam supplied to the central heating chamber 42 or the outer heating chamber 43 transmits heat energy to the cooking food in the heating chamber 41, so that the temperature is lowered and dew is formed into condensed water. The condensed water condensed in the central heating chamber 42 flows downward from the opening 15 and is stored in the liquid collecting part 22. The condensed water condensed in the outer heating chamber 43 flows down through the outer bottom plate 21 and is stored in the liquid collecting part 22. And the dew condensation water stored in the liquid collection part 22 is guide | induced to the discharge passage 6a of the axial part 6 from the drain pipe 55 by the pressure difference of the heating chamber 41 and the exterior, and is discharged | emitted outside. In addition, the shape of the plane partition plate 23 is not limited to a completely flat surface. For example, the outer peripheral edge portion may have a dome shape positioned below the center portion, and the shape should be such. Thus, the dew condensation water condensed in the central heating chamber 42 can be positively guided to the outer heating chamber 43.

FIG. 3 is a diagram illustrating a state in which the center of the shuttle is heated, FIG. 4 is a diagram illustrating a state in which the periphery of the shuttle is heated, and FIG. 5 is a diagram illustrating a state in which the entire shuttle is heated.
For example, as shown in FIG. 3, when the valve 53 of the first pipe 51 is opened, the heating steam is supplied to the central heating chamber 42. Since the central heating chamber 42 has a predetermined indoor space whose upper surface is the central region of the lower surface of the inner bottom plate 31, the heating steam supplied from the first pipe 51 is retained and the thermal energy is transferred to the main body of the pot. 2 can be effectively transmitted to the center cooking food Fa, and the center of the pot body 2 can be sufficiently heated.

  The heated steam stays in the central heating chamber 42 and transfers thermal energy to the cooking food Fa, and when the temperature is lower than that at the time of inflow, the heating steam descends in the central heating chamber 42 and flows downward from the opening 15. The heating steam that flows downward from the central heating chamber 42 gets over the lower end of the side partition plate 32, moves inside the outer heating chamber 43 to the outside in the radial direction of the pot body 2, and the outer heating chamber 43 is driven by the remaining heat energy. Rise inside. And it moves so that it may spread to the radial direction outer side of the pot main body 2 along the outer side area | region of the lower surface of the inner bottom board 31, and the remaining thermal energy can be transmitted to the cooking foodstuff Fb around the pot main body 2. FIG. Therefore, the heat energy of the heating steam can be transmitted to the entire cooking food of the pot body 2 without waste, and the thermal efficiency can be dramatically improved. Therefore, the center of the pot body 2 can be sufficiently heated to uniformly heat the entire cooking ingredients of the pot body 2, and the occurrence of uneven cooking can be prevented.

  Further, according to the present embodiment, as shown in FIG. 4, only the valve 54 of the second pipe 52 can be opened to supply the heating steam only to the outer heating chamber 43. The heating steam supplied only to the outer heating chamber 43 transmits heat energy from the outer region on the lower surface of the inner bottom plate 31 to the cooking food Fb around the pot body 2 to heat it. Therefore, the cooking food Fb outside the pot body 2 can be actively heated and cooked.

  Further, according to this embodiment, as shown in FIG. 5, both the central heating chamber 42 and the outer heating chamber 43 are heated by opening both the valve 53 of the first pipe 51 and the valve 54 of the second pipe 52. Steam can be supplied. Heated steam supplied to both the central heating chamber 42 and the outer heating chamber 43 transmits heat energy from the central region and the outer region of the lower surface of the inner bottom plate 31 to the cooking ingredients Fa and Fb of the pot body 2 for heating. Therefore, the cooking ingredients Fa and Fb of the entire pot body 2 can be actively heated and cooked.

  In addition, this invention is not limited to the structure of the above-mentioned Example, A various change is possible in the range which does not deviate from the meaning of this invention. For example, FIG. 6 is a cross-sectional view showing another embodiment of the central heating chamber.

  In another embodiment shown in FIG. 6, the vertical wall portion 13 of the central heating chamber 42 has a short-axis cylindrical side partition plate 35, and the bottom wall portion 14 is a circle that closes the lower end of the side partition plate 35. It has a plate-shaped flat partition plate 25. The side partition plate 35 and the plane partition plate 25 are joined by welding. The planar partition plate 25 is provided with a plurality of opening holes 26 as the openings 15. The opening hole 26 opens downward. Therefore, both the heating steam supplied to the central heating chamber 42 and the condensed water condensed in the central heating chamber 42 can flow out downward from the opening hole 26.

  According to the present embodiment, the heating steam can be retained in the central heating chamber 42, and the thermal energy of the heating steam can be effectively transmitted to the cooking food at the center of the pot body. Then, the heated steam whose temperature has been lowered by the transmission of heat energy in the central heating chamber 42 is caused to flow downward from the opening hole 26 of the central heating chamber 42 and spread outward along the inner bottom plate 31 in the outer heating chamber 43. It can be moved upward and the remaining heat energy can be transmitted to the cooking ingredients around the pot body 2. Therefore, the center of the pot body 2 can be sufficiently heated, and the whole cooking ingredients of the pot body 2 can be heated uniformly, and the occurrence of uneven cooking can be prevented.

  In each of the above-described embodiments, the structure in which the front end of the first pipe 51 passes through the lower center of the outer bottom plate 21 and opens to the center of the flat partition plate 23 is described as an example. For example, the front end of the first pipe 51 is open to the side partition plate 32 through the position where the first pipe 51 is biased laterally from the center of the outer bottom plate 21, and the side of the central heating chamber 42 Alternatively, the steam may be supplied into the central heating chamber 42 from one side.

DESCRIPTION OF SYMBOLS 1 Heat cooking pot 2 Pot main body 13 Vertical wall part 14 Bottom wall part 15 Opening part 21 Outer bottom plate 23, 25 Planar partition plate 26 Open hole 31 Inner bottom plate 32, 35 Side partition plate 41 Heating chamber 42 Central heating chamber 43 Outer heating chamber 51 1st piping (1st steam supply path)
52 Second piping (second steam supply path)
53, 54 Valve

Claims (4)

A heating cooking kettle that receives heating steam supplied to a heating chamber between an inner bottom plate and an outer bottom plate of the pot body,
The heating chamber has a central heating chamber whose upper surface is a central region of the lower surface of the inner bottom plate, and the central heating chamber is provided with an opening that opens downward .
The central heating chamber protrudes downward from the inner bottom plate and divides the lower surface of the inner bottom plate into the central region and the peripheral region, and the inner heating plate between the inner bottom plate and the outer bottom plate. It has a bottom wall portion that extends opposite to the central region of the lower surface and partitions the space between the inner bottom plate and the outer bottom plate up and down,
The opening is provided in the bottom wall;
The vertical wall has a short-axis cylindrical side partition, and the bottom wall has a disc-shaped flat partition,
The lower end of the side partition plate is arranged at a position below the flat partition plate,
Outside heating formed in the heating chamber and on the outside of the central heating chamber, having a first steam supply passage that communicates with the central heating chamber at one end and connected to the heating steam supply source at the other end. A cooking pot having a second steam supply path in which one end communicates with the chamber and the other end communicates with the heating steam supply source . The planar partition plate is formed in a disk shape having a smaller diameter than the side partition plate,
The cooker according to claim 1 , wherein the opening is formed by a gap between the side partition plate and the planar partition plate. The flat partition plate is formed in a disc shape that closes a lower end of the side partition plate,
The cooker according to claim 1 , wherein the opening is formed in the flat partition plate. 2. The cooking pot according to claim 1 , wherein one end of the first steam supply path passes through the outer bottom plate and opens at a center position of the flat partition plate.

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