CN210121059U - Cooking utensil - Google Patents

Abstract

The utility model provides a cooking utensil, include: the cooker body comprises an outer cooker and an inner cooker arranged in the outer cooker, and the inner cooker is provided with a cooking cavity; the temperature measuring component is contacted with the inner pot to measure the temperature of the inner pot; a heating device for heating the food in the cooking cavity; the first fool-proof structure is arranged between the temperature measuring component and the heating device or between the temperature measuring component and the outer pot, so that the temperature measuring component is installed according to the preset installation direction. Use the technical scheme of the utility model the problem that cooking utensil's assembly efficiency among the correlation technique is low can be solved effectively.

Description

Cooking utensil

Technical Field

The utility model relates to a small household electrical appliances field particularly, relates to a cooking utensil.

Background

When the temperature measuring element of the electric pressure cooker needs to be installed in a specific installation direction, an installer generally carries out manual installation according to personal experience, so that the assembly accuracy rate is low, and the assembly efficiency is low.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a cooking device to solve the problem of low assembly efficiency of the cooking device in the related art.

In order to achieve the above object, the present invention provides a cooking appliance, comprising: the cooker body comprises an outer cooker and an inner cooker arranged in the outer cooker, and the inner cooker is provided with a cooking cavity; the temperature measuring component is contacted with the inner pot to measure the temperature of the inner pot; a heating device for heating the food in the cooking cavity; the first fool-proof structure is arranged on the temperature measuring component and the heating device, or arranged on the heating device, or arranged between the temperature measuring component and the outer pot, so that the temperature measuring component is installed according to a preset installation direction.

Optionally, the temperature measuring component is in contact with a non-central part of the inner pot, and a contact surface of the temperature measuring component in contact with the inner pot is an arc surface or an inclined surface.

Optionally, the first fool-proof structure is disposed on the temperature measuring assembly and the heating device, the first fool-proof structure includes a first protrusion and a first recess that are matched with each other, one of the first protrusion and the first recess is disposed on the heating device, and the other of the first protrusion and the first recess is disposed on the temperature measuring assembly.

Optionally, the first protrusions are multiple, the first recesses are multiple corresponding to the first protrusions, and the multiple first protrusions are asymmetrically arranged, or the first protrusions are multiple, and at least one of the multiple first protrusions has a size different from any of the rest first protrusions.

Optionally, the side wall of the temperature measuring component is provided with a lug extending outwards, the lug is provided with a positioning hole, and the positioning hole forms a first concave part.

Optionally, the number of the lugs is three, two of the three lugs are positioned on two opposite sides of the temperature measuring component, and the other lug is positioned between the two lugs.

Optionally, the heating device includes a heating device body and a positioning column disposed at a lower portion of the heating device body and extending downward, and the positioning column forms a first protrusion.

Optionally, a pattern surrounded by the outer side wall of the temperature measurement component is a non-rotationally symmetric pattern, the first fool-proof structure includes a second concave portion arranged on the heating device, and the outer side wall of the temperature measurement component is matched with the inner side wall of the second concave portion.

Optionally, a limiting hole matched with the outer side wall of the temperature measuring component is formed in the heating device, and a second concave portion is formed in the limiting hole.

Optionally, the temperature measuring assembly includes a heat insulation main body, a temperature sensing piece and a temperature sensing device, the temperature sensing piece is in contact with the inner pot, the temperature sensing device is abutted against the temperature sensing piece to measure the temperature of the inner pot, and the upper surface of the temperature sensing piece is a contact surface in contact with the inner pot.

Optionally, a second fool-proof structure is arranged between the temperature sensing piece and the heat insulation main body, so that the temperature sensing piece is installed according to a preset installation direction.

Optionally, the second fool-proofing structure includes a second protrusion and a third recess, which are matched with each other, one of the second protrusion and the third recess is disposed on the temperature sensing sheet, and the other of the second protrusion and the third recess is disposed on the heat insulation main body.

Optionally, the second protrusions are three protrusions arranged at intervals along the temperature-sensing piece, and the distance between two adjacent second protrusions is different.

Optionally, the temperature measuring component contacts with a non-central part of the inner pan, a contact surface of the temperature measuring component contacting with the inner pan is an arc surface or an inclined surface, the first fool-proof structure is arranged on the temperature measuring component and the heating device, the first fool-proof structure comprises a first bulge and a first recess which are matched with each other, one of the first bulge and the first recess is arranged on the heating device, the other one of the first bulge and the first recess is arranged on the temperature measuring component, the first bulge is a plurality of bulges arranged around the temperature measuring component at intervals in the circumferential direction, the first recess is a plurality of bulges arranged corresponding to the first bulge, the plurality of first bulges are arranged asymmetrically, or the first bulge is a plurality of bulges, at least one first bulge in the plurality of bulges is different from any one of the other bulges in size, a lug extending outwards is arranged on a side wall of the temperature measuring component, a positioning hole is arranged on the lug, and the positioning hole forms the first recess, the temperature measuring device comprises three lugs, wherein two lugs are positioned on two opposite sides of the temperature measuring component, the other lug is positioned between the two lugs, the heating device comprises a heating device body and a positioning column which is arranged on the lower part of the heating device body and extends downwards, a first bulge is formed on the positioning column, or the figure formed by the outer side wall of the temperature measuring component is a non-rotational symmetrical figure, the first fool-proof structure comprises a second concave part arranged on the heating device, the outer side wall of the temperature measuring component is matched with the inner side wall of the second concave part, a limiting hole matched with the outer side wall of the temperature measuring component is arranged on the heating device, the limiting hole forms the second concave part, the temperature measuring component comprises a heat insulation main body, a temperature sensing piece and a temperature sensing device, the temperature sensing piece is contacted with the inner pot, the temperature sensing device is abutted against the temperature sensing piece to measure the temperature of the, be provided with the second between temperature sensing piece and the thermal-insulated main part and prevent slow-witted structure to make the temperature sensing piece install according to predetermined installation orientation, the second prevents slow-witted structure including the protruding and third concave part of second of mutually supporting, one in the protruding and third concave part of second sets up on the temperature sensing piece, another in the protruding and third concave part of second sets up on thermal-insulated main part, the protruding three for following the temperature sensing piece interval arrangement of second, the distance between two adjacent second archs is different.

Use the technical scheme of the utility model, cooking utensil is including setting up between temperature measuring component and heating device, perhaps sets up the first fool-proofing structure between temperature measuring component and outer pot. When installing the temperature measurement subassembly, installer can make the temperature measurement subassembly install according to predetermined installation orientation through first fool-proof structure to reduce the assembly degree of difficulty, improve the degree of accuracy of assembly, avoid doing over again, and then improved assembly efficiency.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic longitudinal section of a first exemplary embodiment of a cooking appliance according to the invention;

fig. 2 shows an enlarged schematic structural view at a of the cooking appliance of fig. 1;

fig. 3 shows an enlarged schematic structural view at B of the cooking appliance of fig. 1;

FIG. 4 shows a schematic front view of a temperature measurement assembly of the cooking appliance of FIG. 1;

FIG. 5 shows a schematic top view of the thermometric assembly of FIG. 4;

FIG. 6 shows a schematic perspective cross-sectional view of the thermometric assembly of FIG. 4;

FIG. 7 is an exploded view of an angle of the thermometric assembly of FIG. 4;

FIG. 8 is a schematic view of another angular exploded view of the thermometric assembly of FIG. 4;

FIG. 9 is a schematic perspective view of the thermometric assembly of FIG. 4 with the thermal sensing strip removed;

FIG. 10 shows a schematic bottom view of the thermometric assembly of FIG. 4;

FIG. 11 shows a schematic top view of the insulated body of the thermometric assembly of FIG. 4; and

FIG. 12 is a perspective view of the thermometer panel of the thermometric assembly of FIG. 4.

Wherein the figures include the following reference numerals:

1. a cooking cavity; 10. a pan body; 11. an outer pot; 111. a housing; 112. a heat-preserving cover; 12. an inner pot; 20. a first magnetic mechanism; 21. a drive motor; 22. a drive magnet; 30. a second magnetic mechanism; 31. a stirring assembly; 32. a mating magnet; 40. a temperature measuring component; 41. a thermally insulating body; 411. a limiting structure; 412. an avoidance groove; 413. a wire passing groove; 414. a lug; 415. positioning a groove; 417. a third recess; 418. positioning holes; 42. a temperature sensing tablet; 421. sinking a platform; 422. a temperature-sensitive sheet body; 424. a ground wire connecting sheet; 425. a contact surface; 427. a second protrusion; 428. limiting convex ribs; 43. a temperature sensing device; 435. an NTC temperature-sensing element; 436. a temperature fuse; 50. a heating device; 52. a limiting hole; 53. a heating device body; 54. a positioning column; 60. a fastener.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 4, a cooking appliance of the first embodiment includes: pot body 10, temperature measurement component 40, heating device 50 and first fool-proof structure. Wherein, pot body 10 includes outer pot 11 and sets up interior pot 12 in outer pot 11, and interior pot 12 has culinary art chamber 1. The temperature measuring assembly 40 is in contact with the inner pot 12 to measure the temperature of the inner pot 12. The heating device 50 is used to heat food in the cooking chamber 1. And are arranged on the temperature measuring component 40 and the heating device 50, so that the temperature measuring component 40 is installed according to a preset installation direction.

In the first embodiment, the cooking appliance includes a first fool-proof structure disposed on the temperature measuring assembly 40 and the heating device 50. When installing temperature measurement component 40, installer can make temperature measurement component 40 install according to predetermined installation orientation through first fool-proof structure to reduce the assembly degree of difficulty, improve the degree of accuracy of assembly, avoid doing over again, and then improved assembly efficiency.

As shown in fig. 1, in the first embodiment, the cooking appliance further includes a first magnetic mechanism 20 disposed on the outer pot 11 and a second magnetic mechanism 30 disposed in the inner pot 12, wherein the first magnetic mechanism 20 includes a driving magnet 22 and a driving motor 21. The second magnetic mechanism 30 comprises a stirring assembly 31 and a mating magnet 32, and the driving magnet 22 can be matched with the mating magnet 32 to drive the stirring assembly 31 to rotate around the axis of the inner pot 12. Above-mentioned structure makes cooking utensil can realize the stirring function simultaneously at the heating process for food is heated evenly, improves the taste of food. In order to further improve the stirring effect, the first magnetic means 20 is in contact with the central portion of the inner pot.

As shown in fig. 1 to 5, in the first embodiment, the temperature measuring component 40 contacts with a non-central portion of the inner pot 12, and a contact surface 425 of the temperature measuring component 40 contacting with the inner pot 12 is an arc surface or an inclined surface. The structure can avoid the first magnetic mechanism 20, and the contact area between the temperature measuring component 40 and the inner pot 12 is as large as possible, so that the temperature of the inner pot 12 can be reflected more truly. It should be noted that, in the first embodiment, in the radial direction of the inner pot 12, the contact surface 425 includes a first arc segment and a second arc segment which are oppositely arranged. When the temperature measuring assembly 40 is mounted to the correct position, the first arc should be close to the center of the inner pot 12, the second arc should be far from the center of the inner pot 12, and the first arc is lower than the second arc. However, when the temperature measuring assembly 40 is reversely mounted during installation, the first arc section is far away from the center of the inner pan 12, and the second arc section is near the center of the inner pan 12, so that the arc section near the center of the inner pan is higher than the arc section far away from the center of the inner pan, and at this time, the contact surface 425 cannot contact with the inner pan 12, and the installation needs to be disassembled again, thereby resulting in low assembly efficiency. Therefore, in order to improve the assembly efficiency, in the first embodiment, the first fool-proof structure is arranged to enable the temperature measuring component 40 to be installed according to the preset installation direction, so that the assembly efficiency is improved.

As shown in fig. 1 to 5, in the first embodiment, the first fool-proof structure is disposed on the temperature measuring component 40 and the heating device 50, the first fool-proof structure includes a first protrusion and a first recess that are mutually matched, one of the first protrusion and the first recess is disposed on the heating device 50, and the other one of the first protrusion and the first recess is disposed on the temperature measuring component 40. The structure is simple and easy to realize.

As shown in fig. 1 to 5, in the first embodiment, the first protrusions are plural, the first recesses are plural corresponding to the first protrusions, and the plural first protrusions are asymmetrically arranged, so that the temperature measuring assembly 40 can be installed in a predetermined installation direction. In other embodiments not shown in the drawings, the first protrusion may be provided in plurality, the first recess may be provided in plurality corresponding to the first protrusion, and at least one of the first protrusions has a different size from any of the remaining first protrusions.

As shown in fig. 1 to 11, in the first embodiment, a side wall of the temperature measuring assembly 40 is provided with a lug 414 extending outwards, the lug 414 is provided with a positioning hole 418, and the positioning hole 418 forms a first recess. The structure is simple and easy to process.

As shown in fig. 5 to 11, in the first embodiment, the number of the lugs 414 is three, two lugs 414 of the three are located at two opposite sides of the temperature measuring assembly 40, and the other lug 414 is located between the two lugs 414. When the temperature measuring component is installed, an installer can ensure that the installation direction of the temperature measuring component 40 is the preset direction by respectively matching the three first protrusions with the three positioning holes 418. Even if the installer does not install the temperature measuring assembly 40 in the predetermined direction, at least one of the first protrusions is not engaged with the positioning hole 418, the installer can quickly find the assembly direction error, so that the assembly direction error can be corrected in time.

As shown in fig. 3, in the first embodiment, the heating device 50 includes a heating device body 53 and a positioning pillar 54 disposed at a lower portion of the heating device body 53 and extending downward, and the positioning pillar 54 forms a first protrusion. The structure is simple and easy to process.

As shown in fig. 1 to 7, in the first embodiment, the temperature measuring unit 40 includes a heat insulating body 41, a temperature sensing piece 42, and a temperature sensing device 43, the temperature sensing piece 42 contacts with the inner pot 12, the temperature sensing device 43 contacts with the temperature sensing piece 42 to measure the temperature of the inner pot 12, and the upper surface of the temperature sensing piece 42 is a contact surface 425 contacting with the inner pot 12. The structure can reduce the influence of the interference of the heating device 50 on the temperature sensing sheet 42, so that the temperature measured by the temperature sensing device 43 is closer to the real temperature of the inner pot 12.

As shown in fig. 6 to 12, in the first embodiment, since the contact surface 425 of the temperature sensing piece 42 is an arc surface with the first arc section lower than the second arc section, the temperature sensing piece 42 should be installed on the heat insulation main body 41 according to a preset installation direction to ensure that each produced temperature measuring assembly 40 is the same, so as to ensure that each temperature measuring assembly 40 can be quickly assembled in place under the action of the first fool-proof structure. In order to enable the temperature sensing piece 42 to be installed on the heat insulation main body 41 according to the preset installation direction, in the first embodiment, a second fool-proof structure is provided between the temperature sensing piece 42 and the heat insulation main body 41, so that the temperature sensing piece 42 is installed according to the preset installation direction.

As shown in fig. 6 to 12, in the first embodiment, the second fool-proofing structure includes a second protrusion 427 and a third recess 417, which are mutually matched, one of the second protrusion 427 and the third recess 417 is disposed on the thermal sensing piece 42, and the other of the second protrusion 427 and the third recess 417 is disposed on the thermal insulation main body 41. The structure is simple and easy to assemble. The second protrusion 427 can be smoothly inserted into the third recess 417 only when the installer mounts the temperature-sensing chip 42 in a preset direction.

As shown in fig. 12, in the first embodiment, the second protrusions 427 are three protrusions arranged at intervals along the thermal chip 42, and the distance between two adjacent second protrusions 427 is different. The structure is simple and easy to realize.

As shown in fig. 6 to 8, in the first embodiment, the heat insulating body 41 and the temperature sensing sheet 42 are fixed together by the fastening member 60, the temperature sensing device 43 is interposed between the heat insulating body 41 and the temperature sensing sheet 42, and the temperature sensing device 43 is in close contact with the temperature sensing sheet 42. The structure is simple, and the assembly is convenient.

As shown in fig. 12, in the first embodiment, the second protrusion 427 is disposed on the lower surface of the temperature-sensing chip 42, the temperature-sensing chip is circular, and a plurality of second protrusions 427 are arranged at intervals along the edge of the temperature-sensing chip 42. A limiting rib 428 is arranged between two adjacent second protrusions 427, a limiting structure 411 is arranged on the heat insulation main body 41, and the bottom edge of the limiting rib 428 can be supported by the limiting structure 411, so that the upper surface of the temperature sensing piece 42 protrudes out of the heat insulation main body 41 in the installation direction of the temperature sensing piece 42. The above structure can ensure that the inner pot 12 can contact with the upper surface (i.e., the contact surface 425) of the temperature sensing piece 42 without being jacked up by the heat insulation main body 41.

As shown in fig. 8, 9 and 12, in the first embodiment, the thermal chip 42 includes a thermal chip body 422 and a ground connection piece 424, at least a portion of the ground connection piece 424 is inserted into the thermal insulation main body 41, and an avoidance groove 412 is provided at a position of the thermal insulation main body 41 corresponding to a ground connection position of the ground connection piece 424. The structure is simple, the grounding operation is convenient to carry out, and the safety of the cooking appliance is guaranteed. It should be noted that in the first embodiment, the ground wire connecting piece 424 can be riveted or fastened by a bolt and a nut to the ground wire ground ring for the ground safety protection process.

In this embodiment, the thermal sensing piece body 422, the second protrusion 427, the limiting rib 428 and the ground wire connecting piece 424 are integrally formed.

As shown in fig. 7 to 11, in the first embodiment, the temperature sensing device 43 includes an NTC temperature sensing element 435 and a temperature fuse 436 which are arranged at intervals. The structure is simple and the cost is low. In the first embodiment, the NTC temperature-sensing element 435 and the thermal fuse 436 each include a lead pin, and the lead pins are connected to the lead wires, and preferably, in the first embodiment, a plurality of wire passing grooves 413 are provided on the heat insulation body 41.

As shown in fig. 11, in the first embodiment, the heat insulation body 41 is provided with a positioning groove 415 for positioning the temperature sensing device 43.

As shown in fig. 5 to 7, in the first embodiment, the temperature-sensing piece 42 is provided with a sinking table 421 sinking toward the heat insulation main body 41, the fastening member 60 is connected to the heat insulation main body 41 after passing through the sinking table 421, and the head of the fastening member 60 sinks into the sinking table 421. The above structure can ensure that the inner pot 12 can contact with the upper surface (i.e., the contact surface 425) of the temperature sensing piece 42 and cannot be jacked up by the head of the fastening member 60. Specifically, in this embodiment, the heat insulation body 41 is made of a high temperature resistant heat insulation material such as bakelite, nylon and glass fiber, and is insulated from the heating device 50, so that the temperature sensing piece 42 only contacts the inner pot 12, and mainly senses the temperature of the inner pot 12.

Preferably, in the first embodiment, the thermometric assembly 40 is floatably disposed relative to the heating device 50. The structure enables the temperature measuring component 40 to be always propped against the inner pot 12, so that the temperature measurement is accurate. Further preferably, the periphery of the upper part of the heat insulation body 41 is rounded to facilitate the up-and-down movement of the temperature measurement component 40.

In the first embodiment, the temperature-sensing piece 42 is formed by bending a plate material. The structure is simple and the processing and forming are easy.

As shown in fig. 1, in the first embodiment, the cooking appliance is an electric pressure cooker, and the outer pot 11 includes a housing 111 and a heat-insulating cover 112 located between the housing 111 and the inner pot 12.

The cooking appliance of the second embodiment is different from the cooking appliance of the first embodiment in a specific structure of the first fool-proof structure, specifically, in the second embodiment, a pattern surrounded by outer sidewalls of the temperature measurement assembly (not shown in the figure) is a non-rotationally symmetric pattern, the first fool-proof structure includes a second recess disposed on the heating device, and the outer sidewalls of the temperature measurement assembly are adapted to inner sidewalls of the second recess. And the unique installation direction of the temperature measuring component is realized through the matching relation between the graphs. The structure is simple, and the assembly is convenient. In the second embodiment, the pattern surrounded by the outer side wall of the temperature measuring component can be a fan-shaped structure, a trapezoid structure, a triangle structure or other special-shaped structures.

In the second embodiment, the heating device is provided with a limiting hole 52 adapted to the outer side wall of the temperature measuring component, and the limiting hole 52 forms a second concave portion. The structure is simple and easy to process.

The cooking appliance of the third embodiment is different from the cooking appliance of the first embodiment in that the first fool-proof structure is disposed, and specifically, in the third embodiment, the first fool-proof structure (not shown) is disposed on the temperature measuring assembly and the outer pot. When installing the temperature measurement subassembly, installer can make the temperature measurement subassembly install according to predetermined installation orientation through first fool-proof structure to reduce the assembly degree of difficulty, improve the degree of accuracy of assembly, avoid doing over again, and then improved assembly efficiency.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (14)

1. A cooking appliance, comprising:

the cooking pot comprises a pot body (10) and a pot handle, wherein the pot body comprises an outer pot (11) and an inner pot (12) arranged in the outer pot (11), and the inner pot (12) is provided with a cooking cavity (1);

a temperature measuring assembly (40) in contact with the inner pot (12) to measure the temperature of the inner pot (12);

heating means (50) to heat the food inside the cooking chamber (1);

the first fool-proof structure is arranged on the temperature measuring component (40) and the heating device (50), or arranged on the temperature measuring component (40) and the outer pot (11), so that the temperature measuring component (40) is installed according to a preset installation direction.

2. The cooking appliance according to claim 1, wherein the temperature measuring component (40) is in contact with a non-central part of the inner pan (12), and a contact surface (425) of the temperature measuring component (40) in contact with the inner pan (12) is an arc surface or an inclined surface.

3. The cooking appliance according to claim 1, wherein the first fool-proofing structure is disposed on the temperature measuring assembly (40) and the heating device (50), the first fool-proofing structure comprises a first protrusion and a first recess which are mutually matched, one of the first protrusion and the first recess is disposed on the heating device (50), and the other one of the first protrusion and the first recess is disposed on the temperature measuring assembly (40).

4. The cooking appliance according to claim 3, wherein the first protrusions are a plurality of protrusions spaced circumferentially around the temperature measuring assembly (40), the first recesses are a plurality of protrusions corresponding to the first protrusions, the first protrusions are asymmetrically arranged, or the first protrusions are a plurality of protrusions, and at least one of the first protrusions is different from any of the remaining first protrusions in size.

5. The cooking appliance according to claim 3, wherein the side wall of the temperature measuring assembly (40) is provided with an outwardly extending lug (414), the lug (414) is provided with a positioning hole (418), and the positioning hole (418) forms the first recess.

6. The cooking appliance according to claim 5, wherein the lugs (414) are three, two of the three lugs (414) being located on opposite sides of the temperature measuring assembly (40), and the other lug (414) being located between the two lugs (414).

7. The cooking appliance according to claim 3, wherein the heating device (50) comprises a heating device body (53) and a positioning column (54) provided at a lower portion of the heating device body (53) and extending downward, the positioning column (54) forming the first protrusion.

8. The cooking appliance according to claim 1, wherein the pattern defined by the outer side walls of the temperature measuring assembly (40) is a non-rotationally symmetrical pattern, the first fool-proofing structure comprises a second recess provided on the heating device (50), and the outer side walls of the temperature measuring assembly (40) are fitted with the inner side walls of the second recess.

9. The cooking appliance according to claim 8, wherein the heating device (50) is provided with a limiting hole (52) matched with the outer side wall of the temperature measuring component (40), and the limiting hole (52) forms the second concave part.

10. The cooking utensil according to claim 1, characterized in that the temperature measuring assembly (40) comprises a heat insulating body (41), a temperature sensing piece (42) and a temperature sensing device (43), the temperature sensing piece (42) is in contact with the inner pot (12), the temperature sensing device (43) is abutted on the temperature sensing piece (42) to measure the temperature of the inner pot (12), and the upper surface of the temperature sensing piece (42) is a contact surface (425) in contact with the inner pot (12).

11. The cooking appliance according to claim 10, wherein a second fool-proof structure is provided between the temperature-sensing piece (42) and the heat insulation body (41) so that the temperature-sensing piece (42) is installed in a predetermined installation direction.

12. The cooking appliance according to claim 11, wherein the second fool-proofing structure comprises a second protrusion (427) and a third recess (417) which are mutually fitted, one of the second protrusion (427) and the third recess (417) is provided on the temperature-sensing piece (42), and the other of the second protrusion (427) and the third recess (417) is provided on the heat insulation body (41).

13. The cooking appliance according to claim 12, wherein the second protrusions (427) are three protrusions spaced along the thermo-sensitive strip (42), and the distance between two adjacent second protrusions (427) is different.

14. The cooking utensil according to claim 1, wherein the temperature measuring component (40) is in contact with a non-central portion of the inner pan (12), a contact surface (425) of the temperature measuring component (40) in contact with the inner pan (12) is an arc surface or an inclined surface, the first fool-proofing structure is arranged on the temperature measuring component (40) and the heating device (50), the first fool-proofing structure comprises a first protrusion and a first recess which are matched with each other, one of the first protrusion and the first recess is arranged on the heating device (50), the other of the first protrusion and the first recess is arranged on the temperature measuring component (40), the first protrusion is a plurality of protrusions arranged around the temperature measuring component (40) at intervals in the circumferential direction, the first recess is a plurality of protrusions arranged corresponding to the first protrusion, and the first protrusions are arranged asymmetrically, or the first bulge is multiple, at least one of the first bulges is different from any other first bulge in size, the side wall of the temperature measuring component (40) is provided with lugs (414) extending outwards, the lugs (414) are provided with positioning holes (418), the positioning holes (418) form the first concave parts, the number of the lugs (414) is three, two lugs (414) of the three are positioned at two opposite sides of the temperature measuring component (40), the other lug (414) is positioned between the two lugs (414), the heating device (50) comprises a heating device body (53) and positioning columns (54) arranged at the lower part of the heating device body (53) and extending downwards, the positioning columns (54) form the first bulges, or the pattern surrounded by the outer side walls of the temperature measuring component (40) is a non-rotational symmetrical pattern, the first fool-proof structure comprises a second concave portion arranged on the heating device (50), the outer side wall of the temperature measuring component (40) is matched with the inner side wall of the second concave portion, a limiting hole (52) matched with the outer side wall of the temperature measuring component (40) is arranged on the heating device (50), the limiting hole (52) forms the second concave portion, the temperature measuring component (40) comprises a heat insulation main body (41), a temperature sensing piece (42) and a temperature sensing device (43), the temperature sensing piece (42) is in contact with the inner pot (12), the temperature sensing device (43) is abutted against the temperature sensing piece (42) to measure the temperature of the inner pot (12), the upper surface of the temperature sensing piece (42) is a contact surface (425) in contact with the inner pot (12), and a second fool-proof structure is arranged between the temperature sensing piece (42) and the heat insulation main body (41), so that the temperature sensing piece (42) is installed according to a preset installation direction, the second fool-proofing structure comprises a second protrusion (427) and a third recess (417) which are matched with each other, one of the second protrusion (427) and the third recess (417) is arranged on the temperature sensing piece (42), the other one of the second protrusion (427) and the third recess (417) is arranged on the heat insulation main body (41), the second protrusion (427) is three protrusions which are arranged at intervals along the temperature sensing piece (42), and the distances between two adjacent second protrusions (427) are different.

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