CN211155139U

CN211155139U - Cooking utensil

Info

Publication number: CN211155139U
Application number: CN201921986028.1U
Authority: CN
Inventors: 羊小亮; 刘化勇; 邝坚; 邢胜华; 黄韦铭; 罗飞龙; 瞿月红
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-08-04
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to a domestic appliance field specifically relates to a cooking utensil includes: the side wall of the inner pot comprises an inclined wall part connected with the bottom wall of the inner pot, and the inclined wall part extends downwards in an inclined mode towards the central axis of the inner pot and comprises a plurality of sections of inclined walls which are sequentially arranged in the axial direction; and the coil panel is used for heating the inner pot, and the coil panel is arranged to correspond to the outer contour of the inner pot. Through above-mentioned technical scheme, the lateral wall that will interior pot sets up to the multistage inclined wall that sets gradually along the central axis slope downwardly extending to make interior pot along the downward diameter of direction of height diminish gradually, can improve the degree of depth of rice water when the rice volume is less, guarantee the degree of consistency of rice heating, avoid the surface gelatinization that local intensification leads to at the excessive speed. Meanwhile, the coil panel is correspondingly modified aiming at the uneven distance between the coil panel and the inner pot, and the coil panel is set to have a shape corresponding to the outer contour of the inner pot, so that the problem of uneven heating of the inner pot is avoided.

Description

Cooking utensil

Technical Field

The utility model relates to a domestic appliance field specifically relates to a cooking utensil.

Background

As technology has evolved, more and more work has begun to be done by specialized tools, freeing people from heavy labor. In the field of cooking in life, various specialized tools are also produced, and the most typical cooking appliance is an electric cooker. The heating device comprises an inner pot and a coil panel for heating the inner pot, wherein a coil is arranged in the coil panel, and the inner pot is heated to heat food materials in the pot by generating a variable electromagnetic field through the coil. However, when the amount of rice placed in the inner pot is small, the existing cooking utensil is prone to the abnormal phenomenon of bottom burnt.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a problem of the phenomenon of sticking with paste appears easily in the culinary art when overcoming the millet volume that prior art exists, provide a cooking utensil, this cooking utensil can improve the culinary art effect of rice when the rice volume is less.

In order to achieve the above object, the present invention provides a cooking appliance comprising: the side wall of the inner pot comprises an inclined wall part connected with the bottom wall of the inner pot, and the inclined wall part extends downwards in an inclined mode towards the central axis of the inner pot and comprises a plurality of sections of inclined walls which are sequentially arranged in the axial direction; and the coil panel is used for heating the inner pot, and the coil panel is arranged to correspond to the outer contour of the inner pot.

Optionally, the coil panel is a bowl-shaped coil panel with an opening at the top end, and the coil panel is correspondingly covered on the outer sides of the inclined wall part and the bottom wall of the inner pot.

Optionally, the multistage inclined wall includes first inclined wall and the second inclined wall that sets gradually along the axial downwards, the bottom periphery of second inclined wall with the peripheral part of interior pot diapire links to each other.

Optionally, the inner pot side wall comprises a straight cylinder part, and the bottom end of the straight cylinder part is connected with the inclined wall part; and/or the first inclined wall and/or the second inclined wall are/is an arc-shaped wall or an inclined flat wall.

Optionally, the inner wall surface of the inner pot side wall is formed with a support portion protruding toward the pot cavity of the inner pot.

Optionally, the supporting portion is an annular boss extending along the circumferential direction of the inner pot side wall, and the supporting portion is located on the inclined wall portion.

Optionally, the support is disposed between the first and second inclined walls.

Optionally, the inner surface of the inclined wall part and the inner surface of the bottom wall of the inner pan are heating zones, and the area of the heating zones accounts for more than 30% of the area of the inner surface of the inner pan.

Optionally, the coil panel includes a coil panel base and a coil disposed on the coil panel base, the coil projects upward along the axial direction in the area on the inner pan is a coil projection area, and the coil projection area is located in the heating area.

Optionally, the area of the coil projection area occupies more than 50% of the area of the heating area.

To solve the abnormal phenomenon of bottom pasting when the amount of rice is small in rice cooking. Research finds that a small amount of rice is placed into the cooking inner pot without the arc wall part, the distance between the liquid level of the rice water and the bottom wall of the cooking inner pot is smaller, so that when the inner pot heating element operates, the whole temperature rise of the rice water is easy to be too fast, the gelatinization of the surface of the rice grains close to the bottom wall of the cooking inner pot is serious, and the rice grains close to the bottom wall of the cooking inner pot are easy to stick to the bottom, so that the eating taste is influenced. In view of this, improve interior pot structure, set up the lateral wall of interior pot into the multistage inclined wall that sets gradually along the central axis slope downwardly extending to make interior pot along the downward diameter of direction of height diminish gradually, through reducing the diameter of interior pot bottom wall portion, can promote the holding height of a small amount of rice water at interior pot bottom wall portion under the prerequisite of the overall height of not changing interior pot. Especially for the little rice volume, liquid level height promotes to be very obvious, like this, when interior pot heating operation, accessible water rice conducts the heat on the diapire of pot in the culinary art to keeping away from the lower aquatic of the temperature of diapire fast, can effectively avoid being close to the rice grain of the diapire of pot in the culinary art and appear the serious condition of surface gelatinization, is favorable to preventing that rice from pasting the end, and then promotes the edible taste of rice.

However, after the diameters of all parts of the inner pot are changed, the problem of local bottom pasting or partial undercooking of rice in the sectional cooking is caused, and researches show that after the diameter reducing design of the inner pot, the diameter of the bottom wall part of the inner pot is changed, and the distances between the inner pot and the coil panel are changed, so that the integral effect of the rice is influenced due to uneven heating of the inner pot, and risks such as local bottom pasting and sectional cooking of the rice are caused.

Through the technical scheme, the utility model discloses a diameter to interior pot co-altitude modifies, interior pot sets up to dwindling along the downward diameter of direction of height for the diameter of interior pot diapire is less than the diameter at interior pot edge, can improve the degree of depth of rice when rice volume is less, guarantees the degree of consistency of rice heating.

Simultaneously to coil panel and interior pot apart from uneven to coil panel carry out corresponding modification, set up to have at the coil panel with interior pot outline corresponds the shape, when interior pot was placed on the coil panel, the distance of pot to coil panel was unanimous in guaranteeing, had avoided interior pot uneven problem of generating heat.

Drawings

Fig. 1 is a cross-sectional view of the cooking appliance of the present invention;

fig. 2 is a front view of the inner pot of the cooking utensil of the present invention;

fig. 3 is a perspective view of the coil panel of the present invention.

Description of the reference numerals

10-inner pot 11-straight cylinder part

12-inclined wall portion 12 a-first inclined wall

12 b-second inclined wall 13-inner pot bottom wall

14-support 20-coil panel

21-depressed structure 30-coil

Detailed Description

In the present invention, unless otherwise specified, the use of directional words such as "upper, lower, left, and right" generally refers to the relationship "inside and outside" shown in fig. 1, which refers to the inside and outside relationship of the device itself.

The cooking utensil of the utility model comprises an inner pot 10, the side wall of the inner pot comprises an inclined wall part 12 connected with the bottom wall 13 of the inner pot, the inclined wall part 12 is arranged to extend downwards towards the central axis of the inner pot 10 in an inclined way and comprises a plurality of sections of inclined walls which are arranged in sequence along the axial direction; and a coil panel 20 for heating the inner pot, the coil panel 20 being disposed to correspond to an outer contour of the inner pot 10.

In a specific implementation, as shown in fig. 1 and 2, the inner pot 10 is preferably a metal-made revolving body structure, and a pot cavity of the inner pot 10 includes a certain space capable of accommodating food materials. The inner pot 10 is positioned above the coil panel 20, and the inner pot 10 can be taken out of the rice cooker to be separated from the coil panel 20. The cooking utensil further comprises an outer shell, wherein the inner pot 10 and the coil panel 20 are arranged in the outer shell, and the outer shell can seal the space inside the inner pot 10 to form a closed space.

In order to solve the bottom burnt phenomenon which is easy to happen when the rice is small, the utility model arranges the inclined wall part 12 of the inner pot 10 to extend downwards towards the central axis of the inner pot 10 in an inclined way and comprises a plurality of sections of inclined walls which are arranged in sequence along the axial direction; the diameter of the inner pot 10 is gradually reduced from top to bottom along the height direction of the inner pot 10, namely, the diameter is gradually reduced from the edge of the inner pot 10 to the bottom of the inner pot 10. Therefore, the depth of the food materials in the inner pot 10 can be increased when the rice quantity is small, the specific surface area of the food materials is reduced, and the heat is transferred by the food materials, so that the food materials are heated more uniformly. The situation that when the food materials are few, the food materials are flaky in an inner pot, the temperature is too fast due to too shallow depth, when part of the food materials are ripe and the other part of the food materials are still in a half-cooked state, if the food materials are continuously heated, the ripe part is ripe too early or even burnt, and if the heating is stopped, the food materials are half-cooked. The multi-section inclined walls are arranged, so that air can enter between the rice and the inner pot 10 by utilizing the bent parts between the inclined walls when the steamed rice is removed, and the rice can be conveniently taken out of the inner pot.

In use, it was found that, however, after the inner pot 10 was arranged such that the diameter of the inner pot 10 becomes gradually smaller from the top to the bottom in the height direction, there was a problem that the rice was partially cooked by zoned-cooking, partially burnt or partially undercooked. According to research, the diameter of the bottom wall 13 of the inner pot is changed, and the distance between the inner pot 10 and the coil panel 20 is changed, so that the inner pot 10 is heated unevenly, the overall effect of rice is affected, and risks such as local bottom pasting and rice zonal cooking are generated. Therefore, after the diameter of the side wall of the inner pot 10 is changed, the coil plate 20 is provided with a shape corresponding to the outer contour of the inner pot 10. The coil panel 20 is arranged in a shape corresponding to the outer contour of the inner pan 10, so as to avoid uneven heating of the inner pan caused by different distances between the inner pan 10 and the coil panel 20 after the inner pan 10 is arranged on the coil panel 20; the coil panel 20 is arranged to correspond to the outer contour of the inner pot 10 so that the distance between the coil panel and the inner pot is as consistent as possible; therefore, in the present invention, the shape of the coil panel 20 corresponding to the outer contour of the inner pan 10 is a shape that is consistent with the outer contour of the inner pan 10 or a shape that is enlarged by the equal interval of the outer contour of the inner pan 10, and this shape can keep the inner pan 10 always attached to the coil panel 20 or keep the equal interval of the distance between the coil panel 20. For example, if the inclined wall 12 of the inner pan 10 is formed with only one segment, the inner pan 10 is formed in a hollow truncated cone shape with one open side, and the coil disk 20 is formed in a truncated cone shape to correspond to the outer contour of the inner pan 10. Or if the number of segments of the inclined wall part 12 is sufficient and the area of the bottom wall 13 of the inner pan is sufficiently small, the shape of the inner pan 10 can be regarded as a hemisphere, and at this time, in order to ensure that the coil panel 20 corresponds to the outer contour of the inner pan, the coil panel is set to be a hemisphere with the radius of the inner pan 10, or to have a radius larger than that of the hemisphere of the inner pan 10.

To facilitate the placement of the inner pot 10 on the coil plate 20, this corresponding shape is preferably a recessed structure 21 formed on the coil plate 20, the recessed structure 21 being adapted to fit exactly to the bottom of the inner pot 10. Further preferably, the inner pot 10 is provided with a structure in which the radius gradually decreases from the top to the bottom, and the concave structure 21 engaged with the inner pot 10 is also configured to gradually decrease from the top to the bottom. The depth of the concave structure 21 is less than the height of the inner pot 10. A recess structure 21 corresponding to the bottom position of the inner pot 10 is formed on the coil plate 20, and the inner pot 10 can be maintained stable after the inner pot 10 is placed on the coil plate 20.

Through above setting, set up the skew wall portion 12 of interior pot 10 into the orientation the central axis slope downwardly extending of interior pot 10 and including the multistage skew wall that sets gradually along the axial for the diameter of interior pot diapire 13 is less than the diameter at interior pot 10 edge, can improve the degree of depth of rice water when the rice volume is less, optimizes the degree of consistency that rice was heated. Meanwhile, the coil panel 20 is correspondingly modified aiming at the uneven distance between the coil panel 20 and the inner pot 10, the shape corresponding to the outer shape of the bottom wall 13 of the inner pot is arranged on the coil panel 20, the distance from the inner pot 10 to the coil panel 20 is ensured to be consistent, and the problem that the inner pot 10 is heated unevenly is avoided.

According to this novel cooking utensil of use, for can make in pot 10 set up to reduce in proper order from direction of height diameter downwards, the pot 10 is got on coil panel 20 and is put in the while being convenient for. The recess structure 21 of the coil disk 20 is configured as a bowl structure having an opening at the top end, as shown in fig. 3. The inclined wall portion 12 and the inner pan bottom wall 13 of the inner pan can be placed in a depression in the bowl-like structure of the coil plate 20.

The multi-step inclined wall portion 12 includes a first inclined wall 12a and a second inclined wall 12b, and as shown in fig. 2, the second inclined wall 12b located below is connected to the peripheral edge portion of the inner pot bottom wall 13. Through the scheme, the diameter of the inner pot can be continuously reduced in the inner pot, and the whole smooth inner pot is kept without dead angles.

In the embodiment of fig. 1, the longitudinal section of the inclined wall portion 12 along the height direction is an arc-shaped wall, which is called an arc-shaped wall, the arc-shaped wall gradually approaches to the central axis of the inner pot 10 from top to bottom, and the approach trend towards the axial direction of the inner pot 10 gradually increases from top to bottom, so that the inclined wall portion 12 forms a shape which is convex outward relative to the central axis of the inner pot 10, and the volume of the inner pot 10 can be effectively increased. In another embodiment, the longitudinal section of the inclined wall portion 12 along the height direction may also be a straight line shape forming an angle with the central axis direction of the inner pan 10, and the section of the inclined wall portion is called as an inclined flat wall when the section is a straight line.

According to the utility model discloses an inner pot 10, the lateral wall includes multistage skew wall portion 12 and/or straight section of thick bamboo portion 11, and straight section of thick bamboo portion 11 is the straight line along the longitudinal section of direction of height, and straight section of thick bamboo portion 11 is the straight line of vertical direction along the longitudinal section of direction of height, and the diameter of straight section of thick bamboo portion 11 keeps unchangeable promptly. The inner pot 10 is provided with the inner pot bottom wall 13 and the side wall, and the side wall is divided into the straight cylinder part 11 and the inclined wall part 12, so that the inner pot 10 is specifically arranged. It is achieved that the diameter of the inner pot 10 can be gradually reduced for the inner pot 10 to go down in the height direction.

Preferably, the side wall of the inner pot 10 comprises a straight cylinder part 11 and an inclined wall part 12 which are arranged from top to bottom along the height direction of the side wall, namely, the straight cylinder part 11 is arranged above, and the inclined wall part 12 is arranged below; and after the inner pot 10 and the coil panel 20 are mutually matched, the inclined wall part 12 and the inner pot bottom wall 13 are positioned in the groove of the concave structure 21 of the coil panel 20. The recessed structure 21 on the coil panel 20 is shaped in conformity with the inclined wall portion 12 and the bottom wall 13 of the inner pan 10, so that the distance between the inner pan 10 and the coil panel 20 can be kept consistent when the inner pan 10 is placed in the recessed structure 21. The inclined wall portion 12 and the inner pot bottom wall 13 can be placed in the recess 21, which facilitates the taking and placing of the inner pot 10 on the coil plate 20 due to the decreasing radius of this portion from top to bottom.

In the present application, the inner pan 10 has a support portion 14 on a sidewall thereof protruding toward the pan cavity of the inner pan 10. The supporting portion 14 may be any shape of supporting structure fixedly installed on the inner wall of the inner pot 10, or may be a supporting structure formed by inward protrusions of the side walls of the inner pot 10, and the supporting portion 14 can be used for supporting objects such as a steaming grid.

Preferably, the support portion 14 is annular, and the support portion is an annular boss extending along the circumferential direction of the inner pot side wall. The support portion 14 is provided between the first inclined wall 12a and the second inclined wall 12 b.

In a specific embodiment, as shown in fig. 2, the inclined wall portion 12 includes a first inclined wall 12a and a second inclined wall 12b, the first inclined wall 12a smoothly transitions with the straight cylinder portion 11, and the second inclined wall 12b connects with the inner pot bottom wall 13. An annular structure perpendicular to the axis of the inner pot 10 is arranged between the first inclined wall 12a and the second inclined wall 12b, the first inclined wall 12a is connected with the outer edge of the annular structure, and the second inclined wall 12b is connected with the inner edge of the annular structure, so that the outer wall is ensured to be continuous, and a step structure capable of bearing objects is formed on the inner wall of the inner pot 10.

According to the utility model discloses a cooking utensil, the internal surface of the interior inclined wall portion 12 of interior pot 10 and the internal surface of interior pot diapire 13 are the zone of heating, and the zone of heating is exactly when interior pot 10 places back in the sunk structure 21 of coil panel 20, is located the part in sunk structure 21. The area of the heating zone accounts for more than 30% of the inner surface area of the inner pot 10. The larger the heating area is, the more uniform the heating is; the food materials are all in the heating area and are heated uniformly; however, the heating area of the inner pot cannot be infinitely increased, food materials are not added to the maximum amount every time when the inner pot is used, and if the area of the heating area is too large, the upper part of the inner pot is heated while not being in contact with the food materials, so that the temperature of the contact part of the water surface and the inner pot is too high. The preferred heating zone area is 40% -60% of the inner surface area of the inner pan. The part of the inner pot which is not contacted with the food materials can be overheated when the rice quantity is small by controlling the ratio of the area of the heating area to the inner surface area of the inner pot to be 40-60%. Meanwhile, when the rice quantity is large, the heat is conducted by the food material. Can obtain better heating effect in different rice quantity ranges.

As shown in fig. 1 and 3, the coil disk 20 includes a coil disk base and a coil 30 that is disk-mounted on the coil disk base. The coil 30 includes a bottom coil and a side coil, the bottom coil corresponding to the inner pot bottom wall 13 of the inner pot 10, and the side coil corresponding to the side wall of the inner pot 10.

When the inner pot 10 is placed on the coil panel 20 for normal use, the coil 30 projects from the coil panel 20 to the inner pot 10, and the area of the coil 30 projected on the inner pot 10 along the axial direction of the inner pot 10 is the projection area of the coil 30. The projection area is contained in the heating zone, and the projection area accounts for more than 50% of the area of the heating zone. The larger the area of the heating area occupied by the projection area is, the more uniform the heating effect is. Preferably, the projected area occupies 70% to 90% of the area of the heating zone.

Preferably, the coil is arranged in the concave structure 21 of the coil disc corresponding to the outer contour of the inner pan, and the contour of the coil 30 corresponds to the outer contour of the inner pan 10, so that the distance from the inner pan 10 to the coil 30 is kept equal after the inner pan 10 is placed in the concave structure 21 of the coil disc 20.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A cooking appliance, characterized in that it comprises:

the inner pot (10), the inner pot lateral wall includes the inclined wall portion (12) linking with inner pot bottom wall (13), the said inclined wall portion (12) is set up as the central axis towards the said inner pot (10) inclines and extends downward and includes the multiple-section inclined wall set up sequentially axially; and

a coil panel (20) for heating the inner pan, the coil panel (20) being arranged to correspond to an outer contour of the inner pan (10).

2. The cooking appliance according to claim 1, wherein the coil panel (20) is a bowl-shaped coil panel having an open top end, and the coil panel (20) is correspondingly covered on the outer sides of the inclined wall portion (12) and the inner pot bottom wall (13).

3. The cooking appliance according to claim 2, wherein the plurality of inclined walls includes a first inclined wall (12a) and a second inclined wall (12b) which are arranged in an axially downward sequence, and a bottom end periphery of the second inclined wall (12b) is connected with a peripheral portion of the inner pot bottom wall (13).

4. The cooking appliance according to claim 3, wherein the inner pot side wall comprises a straight tube portion (11), a bottom end of the straight tube portion (11) being connected to the inclined wall portion (12);

and/or the first inclined wall (12a) and/or the second inclined wall (12b) are curved walls or inclined flat walls.

5. The cooking appliance according to claim 3, wherein the inner wall surface of the inner pot side wall is formed with a support (14) protruding toward the pot cavity of the inner pot (10).

6. Cooking appliance according to claim 5, characterized in that the support (14) is an annular boss extending in the circumferential direction of the inner pot side wall, the support (14) being located on the inclined wall portion (12).

7. The cooking appliance according to claim 5, wherein the support (14) is arranged between the first inclined wall (12a) and the second inclined wall (12 b).

8. The cooking appliance according to any one of claims 2 to 7, wherein the inner surface of the inclined wall portion (12) and the inner surface of the inner pan bottom wall (13) are heating zones having an area occupying more than 30% of the area of the inner surface of the inner pan (10).

9. The cooking appliance according to claim 8, wherein the coil plate (20) comprises a coil plate base and a coil (30) arranged on the coil plate base, and the area of the coil (30) projected axially upwards on the inner pan (10) is a coil projection area, and the coil projection area is located in the heating area.

10. The cooking appliance of claim 9, wherein the area of the coil projection area occupies more than 50% of the area of the heating area.