Cooking utensil

By setting a sealing structure at the installation location of the temperature sensing component and utilizing the cooperation of the sealing and elastic components, the problem of water accumulation in the temperature sensing component is solved, thus achieving the safety and stability of the cooking appliance and simplifying the assembly process.

CN224112473UActive Publication Date: 2026-04-14ZHEJIANG SUPOR ELECTRICAL APPLIANCES MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG SUPOR ELECTRICAL APPLIANCES MFG CO LTD
Filing Date
2025-03-10
Publication Date
2026-04-14

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Abstract

The utility model discloses a cooking utensil which comprises a base, a temperature sensing assembly, a pot body and a sealing piece, a matching hole is formed in the base, the temperature sensing assembly is arranged in the matching hole in a matched mode, and the temperature sensing assembly can move up and down relative to the base. The pot body can be arranged on the base and abut against the top end of the temperature sensing assembly, the upper end of the elastic piece abuts against the temperature sensing assembly so as to provide upward elastic force, the temperature sensing assembly is sleeved with the sealing piece, the sealing piece is located in the matching hole, and the sealing piece can move along with the temperature sensing assembly. According to the cooking utensil, the sealing structure at the installation position of the temperature sensing assembly is simple, and the cooking utensil is safe and reliable.
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Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, specifically to a cooking utensil. Background Technology

[0002] In related technologies, cooking appliances include a pot body, a base, a heating element, and a temperature sensing element. The heating element is used to heat the pot body to heat the food inside the pot, and the temperature sensing element is used to detect temperature changes in the pot body and adjust the temperature accordingly.

[0003] However, in related technologies, water can easily flow into the base at the installation location of the temperature sensing component, posing a safety risk. Utility Model Content

[0004] This invention aims to at least partially solve one of the technical problems in related technologies. To this end, embodiments of this invention provide a cooking appliance with a simple and reliable sealing structure at the installation location of the temperature sensing component.

[0005] The cooking appliance of this utility model embodiment includes:

[0006] The base has a mating hole;

[0007] A temperature sensing component, which is fitted into the mating hole and is movable up and down relative to the base;

[0008] The pot body can be placed on the base and abut against the top of the temperature sensing component;

[0009] An elastic element, the upper end of which abuts against the temperature sensing component to provide an upward elastic force;

[0010] A sealing element is fitted onto the temperature sensing component and located within the mating hole; the sealing element can move together with the temperature sensing component.

[0011] In this embodiment of the cooking appliance, a sealing element is disposed between the outer peripheral surface of the temperature sensing component and the inner wall surface of the mating hole, thereby achieving a waterproof seal between the temperature sensing component and the mating hole. This prevents water from flowing into the base through the gap between the mating hole and the temperature sensing component. Moreover, the sealing element can move together with the temperature sensing component. When the temperature sensing component moves downward under the gravity of the pot body, or when food is placed in the pot body and the pot body moves downward, or when it moves upward under the action of the elastic element, water is not easily allowed to flow into the base through the gap between the mating hole and the temperature sensing component, ensuring the sealing performance between the temperature sensing component and the mating hole and preventing water from flowing into the base. Furthermore, during the recovery process of the elastic element, water accumulated in the gap between the mating hole and the temperature sensing component can be carried out by the sealing element as the elastic element moves upward, further ensuring the sealing performance between the temperature sensing component and the mating hole and preventing water from flowing into the base. This ensures the safety of the components inside the base, and the assembly structure is simple.

[0012] Optionally, the outer peripheral surface of the seal has an annular rib, which abuts against the inner wall surface of the mating hole.

[0013] In this embodiment of the cooking appliance, the annular rib is compressed between the inner circumferential surface of the temperature sensing component and the mating hole to further seal the gap between the temperature sensing component and the mating hole, thus ensuring airtightness.

[0014] Optionally, there may be multiple annular ribs, which are arranged at axial intervals in the seal.

[0015] The cooking appliance of this utility model further forms a multi-layer seal by setting multiple annular ribs arranged at intervals along the axial direction of the sealing element. Even if water leaks down from the outer periphery of the uppermost annular rib, the remaining annular ribs in the lower layer will stop the water from leaking down further, thereby improving the sealing performance of the sealing element between the temperature sensing component and the mating hole and preventing water from seeping into the mounting base through the outer peripheral surface of the temperature sensing component or the inner peripheral surface of the mating hole.

[0016] Optionally, the inner circumferential surface of the seal is provided with a protrusion, and the outer circumferential surface of the temperature sensing component is provided with a recess, with the protrusion fitting into the recess.

[0017] In this embodiment of the cooking appliance, the protrusion fits into the recess to ensure that the sealing element is securely installed on the temperature sensing component, thereby guaranteeing the sealing performance between the temperature sensing component and the inner wall surface of the mating hole.

[0018] Optionally, the temperature sensing component includes a bracket and a thermostat, the thermostat is disposed on the bracket, and the upper end of the bracket and a portion of the thermostat can extend out of the base through the mating hole, and the seal is disposed around the bracket.

[0019] In this embodiment of the cooking appliance, the thermostat is mounted on a support. The support provides support and protection for the thermostat, ensuring its stable installation and structural stability on the base. Furthermore, the temperature sensing component has a simple structure and is easy to assemble.

[0020] Optionally, the bracket includes a support cylinder and a protrusion. The protrusion is located at the upper end of the support cylinder. The mating hole includes a first section and a second section connected sequentially from top to bottom. The cross-sectional area of ​​the first section is smaller than that of the second section. The support cylinder is fitted into the second section, and the protrusion is fitted into the first section and can extend from the upper end of the first section out of the base.

[0021] The cooking appliance of this utility model has a simple support structure, which saves manufacturing costs; the support cylinder fits in the second section, and the cross-sectional area of ​​the first section is smaller than that of the second section, so that the support cylinder is not easy to detach from the first section, ensuring that the protrusion is firmly installed in the first section.

[0022] Optionally, the sealing element includes a cylindrical member and an annular plate, the cylindrical member being arranged around the supporting cylinder, the annular plate being arranged around the protrusion, and the bottom surface of the annular plate being in contact with the top surface of the supporting cylinder.

[0023] The cooking appliance of this utility model has a cylindrical component wrapped around the outer circumferential surface of the support cylinder, and an annular plate covering the top surface of the support cylinder and arranged around the protrusion, which strengthens the seal between the support cylinder and the mating hole, so that water does not easily flow along the outer circumferential surface of the support cylinder into the base.

[0024] Optionally, the base has a retaining ring located below the mating hole. In a projection plane orthogonal to the vertical direction, the projection of the second segment is located inside the retaining ring, and the outer side of the retaining ring is used to place electronic components.

[0025] The cooking appliance of this utility model, by setting a baffle ring, ensures that even if water flows into the base through the gap between the thermostat and the mating hole, the water flows into the baffle ring and is collected by the baffle ring, preventing the water from affecting the electronic components on the outside of the baffle ring, thus further ensuring the safety of the cooking appliance.

[0026] Optionally, the top surface of the bracket is provided with a through hole, and the temperature controller further includes a temperature-sensing cap and a thermistor. The thermistor is disposed in the through hole, and the temperature-sensing cap is sleeved on the upper end of the bracket.

[0027] In this embodiment of the invention, the cooking appliance has a temperature-sensing cap fitted onto the upper end of the support. When the pot is placed on the base, it can come into contact with the temperature-sensing cap, so that the heat of the pot can be transferred to the heat-sensitive element through the temperature-sensing cap, thereby improving the sensitivity of the thermostat to the heat of the pot, ensuring the user's cooking experience and preventing burns.

[0028] Optionally, the cooking appliance further includes an abutment located below the temperature sensing component, and the elastic element abuts between the temperature sensing component and the abutment.

[0029] In this embodiment of the cooking appliance, the elastic element is disposed between the base and the abutment element, so that the elastic element is installed securely. Attached Figure Description

[0030] Figure 1 This is a cross-sectional view of the cooking appliance according to an embodiment of the present utility model.

[0031] Figure 2 yes Figure 1 Enlarged schematic diagram of the middle part of the structure.

[0032] Figure 3 This is a cross-sectional view showing the cooperation of the temperature sensing component, sealing component, and elastic component in an embodiment of this utility model.

[0033] Figure 4 This is a cross-sectional view of the bracket of the temperature sensing component according to an embodiment of the present invention.

[0034] Figure 5 This is a schematic diagram of the mating hole of the temperature sensing component according to an embodiment of the present invention.

[0035] Figure 6 This is an exploded view of the temperature-sensing component and elastic element according to an embodiment of the present invention.

[0036] Figure 7 This is a front view of the temperature sensing component and elastic element in accordance with an embodiment of the present invention.

[0037] Reference numerals: 1. Base; 11. Mating hole; 111. First section; 112. Second section; 2. Temperature sensing component; 21. Recess; 22. Bracket; 221. Through hole; 222. Support cylinder; 223. Protrusion; 23. Temperature controller; 231. Temperature sensing cap; 232. Thermistor; 3. Pot body; 4. Elastic element; 5. Sealing element; 51. Annular rib; 52. Protrusion; 53. Cylindrical part; 54. Annular plate; 61. Abutment part; 62. Extension cylinder; 63. Retaining ring; 64. Coil support. Detailed Implementation

[0038] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0039] like Figures 1-7As shown, the cooking appliance of this embodiment includes a base 1, a temperature-sensing component 2, a pot body 3, an elastic element 4, and a sealing element 5. The base 1 has a mating hole 11, which communicates with the interior of the base 1. The temperature-sensing component 2 is fitted within the mating hole 11 and is movable up and down relative to the base 1. The pot body 3 can be placed on the base 1 and contacts the top end of the temperature-sensing component 2, driving the temperature-sensing component 2 downwards. The upper end of the elastic element 4 abuts against the temperature-sensing component 2 to provide an upward elastic force. The sealing element 5 is sleeved on the temperature-sensing component 2 and located within the mating hole 11; the sealing element 5 is connected to the temperature-sensing component 2 and can move with it. Specifically, the top end of the temperature-sensing component 2 can extend upwards out of the base 1 through the mating hole 11.

[0040] In this embodiment of the cooking appliance, the sealing element 5 is disposed between the outer peripheral surface of the temperature sensing component 2 and the inner wall surface of the mating hole 11, so that the temperature sensing component 2 and the mating hole 11 are sealed and waterproof, preventing water from flowing into the base 1 through the gap between the mating hole 11 and the temperature sensing component 2. Moreover, the sealing element 5 can move up and down with the temperature sensing component 2, so that when the temperature sensing component 2 moves down under the gravity of the pot body 3, or moves down after food is placed in the pot body 3, or moves up under the action of the elastic element 4, water is not likely to flow into the base 1 through the gap between the mating hole 11 and the temperature sensing component 2. In addition, during the process of the elastic element 4 returning to its original position, the water accumulated in the gap between the mating hole 11 and the temperature sensing component 2 can be carried out by the sealing element 5 as the elastic element 4 moves upward, further ensuring the sealing between the temperature sensing component 2 and the mating hole 11, making it difficult for water to flow into the base 1, ensuring the safety of the internal components of the base 1, and the assembly structure is simple.

[0041] Specifically, when the pot body 3 is placed on the base 1, the pot body 3 drives the temperature sensing component 2 to move downwards. The elastic element 4 is compressed and generates elastic force, making the temperature sensing component 2 in close contact with the bottom surface of the pot body 3, which can more accurately sense the temperature of the pot body 3. When the pot body 3 is removed from the base 1, the temperature sensing component 2 quickly returns to its original position under the action of elastic force.

[0042] Specifically, the elastic element 4 can be a spring, which has a simple structure and low cost.

[0043] Optionally, such as Figure 3 and Figure 7 As shown, the outer peripheral surface of the seal 5 has an annular rib 51, which abuts against the inner wall surface of the mating hole 11.

[0044] Specifically, the material of the sealing element 5 is silicone, the sealing element 5 is a silicone sleeve, and the annular rib 51 is also made of silicone. Both the sealing element 5 and the annular rib 51 are elastic. The annular rib 51 is located on the outer peripheral surface of the sealing element 5 and is compressed between the inner peripheral surface of the temperature sensing component 2 and the mating hole 11, which can further seal the gap between the temperature sensing component 2 and the mating hole 11 and ensure the sealing performance.

[0045] Optionally, such as Figure 3 and Figure 7 As shown, there are multiple annular ribs 51, which are arranged axially at intervals in the sealing element 5 to further form a multi-layer seal. Even if water leaks down from the outer periphery of the uppermost annular rib 51, the remaining annular ribs 51 in the lower layer will stop the water from continuing to leak down, thereby improving the sealing performance of the sealing element 5 between the temperature sensing component 2 and the mating hole 11 and preventing water from seeping into the mounting base through the outer peripheral surface of the temperature sensing component 2 or the inner peripheral surface of the mating hole 11.

[0046] Optionally, such as Figure 3 and Figure 4 As shown, the inner circumferential surface of the sealing member 5 has a protrusion 52, and the outer circumferential surface of the temperature sensing component 2 has a recess 21. The protrusion 52 fits into the recess 21. Specifically, the protrusion 52 fits into the recess 21 to ensure that the sealing member 5 is securely installed on the temperature sensing component 2, thus guaranteeing the sealing performance between the sealing member 5 and the inner wall surface of the mating hole 11. In some embodiments, there are multiple protrusions 52, which are spaced apart along the inner circumferential surface of the sealing member 5. There are also multiple recesses 21, which are spaced apart along the outer circumferential surface of the temperature sensing component 2. Each recess corresponds to one protrusion 52.

[0047] Optionally, such as Figures 2-6 As shown, the temperature sensing component 2 includes a bracket 22 and a thermostat 23. The thermostat 23 is mounted on the bracket 22, and the upper end of the bracket 22 and a part of the thermostat 23 extend out of the base 1 through the mating hole 11. The sealing member 5 is arranged around the bracket 22.

[0048] Specifically, the upper end of the bracket 22 extends out of the top surface of the base 1 through the mating hole 11. The thermostat 23 is mounted on the bracket 22, which supports and protects the thermostat 23, ensuring the stability of the thermostat 23 on the base 1 and the stability of the structure. Moreover, the temperature sensing component 2 has a simple structure and is easy to assemble.

[0049] In some embodiments, such as Figure 2 and Figure 3As shown, the bottom surface of the base 1 has an extension tube 62. The upper end of the extension tube 62 is connected to the bottom surface of the base 1, and the lower end of the extension tube 62 extends downward and is connected to the abutment member 61. The extension tube 62 and the abutment member 61 are integrally formed with the base 1. The central axis of the extension tube 62 is collinear with the central axis of the mating hole 11. The upper end of the temperature sensing component 2 extends out through the mating hole 11, and the lower end of the temperature sensing component 2 is located inside the extension tube 62.

[0050] In some embodiments, the base 1 is provided with a coil support 64, which is fastened to the base 1 by screws, and the abutment 61 can be provided on the coil support 64.

[0051] Optionally, such as Figures 3-6 As shown, the bracket 22 includes a support cylinder 222 and a protrusion 223. The protrusion 223 is located at the upper end of the support cylinder 222. The bracket 22 has a simple structure and saves manufacturing costs.

[0052] Specifically, the protrusion 223 extends through the mating hole 11, and the support cylinder 222 is located inside the extension cylinder 62. The cross-sectional area of ​​the outer periphery of the support cylinder 222 is larger than the cross-sectional area of ​​the outer periphery of the protrusion 223, ensuring that the bracket 22 is not easily detached from the top surface of the base 1 through the mating hole 11 under the action of elastic force. The sealing element 5 is arranged around the outer periphery of the support cylinder 222, and the inner periphery of the sealing element 5 is in close contact with the outer periphery of the support cylinder 222, and the outer periphery of the sealing element 5 is in close contact with the inner periphery of the extension cylinder 62.

[0053] Optionally, such as Figure 5 As shown, the mating hole 11 includes a first section 111 and a second section 112 connected sequentially from top to bottom. The cross-sectional area of ​​the first section 111 is smaller than that of the second section 112. The support cylinder 222 is fitted inside the second section 112, and the protrusion 223 is fitted inside the first section 111 and can extend from the upper end of the first section 111 to the base 1.

[0054] Specifically, the support cylinder 222 is fitted into the second section 112. The cross-sectional area of ​​the first section 111 is smaller than that of the second section 112, making it difficult for the support cylinder 222 to detach from the first section 111 and ensuring that the protrusion 223 is securely installed in the first section 111.

[0055] Optionally, such as Figure 3 As shown, the sealing element 5 includes a cylindrical element 53 and an annular plate 54. The cylindrical element 53 is arranged around the supporting cylinder 222, and the annular plate 54 is arranged around the protrusion 223. The bottom surface of the annular plate 54 is in contact with the top surface of the supporting cylinder 222.

[0056] Specifically, the protrusion 52 is provided on the inner circumferential surface of the cylindrical member 53, and the recess 21 is provided on the support cylinder 222, so that the cylindrical member 53 is firmly wrapped on the outer circumferential surface of the support cylinder 222. The annular plate 54 covers the top surface of the support cylinder 222 and is arranged around the protrusion 223, which strengthens the seal between the support cylinder 222 and the mating hole 11, so that water is not easy to flow along the outer circumferential surface of the support cylinder 222 into the interior of the base 1.

[0057] Optionally, such as Figure 1 As shown, the base 1 has a retaining ring 63, which is located below the mating hole 11. In the projection plane orthogonal to the vertical direction, the projection of the second segment 112 is located inside the retaining ring 63, and the outer side of the retaining ring 63 is used to place electronic components.

[0058] Specifically, the central axis of the baffle ring 63 is collinear with the central axis of the second segment 112. The inner circumferential contour of the baffle ring 63 is larger than the largest inner circumferential contour of the second segment 112; that is, the inner circumferential contour of the baffle ring 63 is larger than the inner circumferential contour of the extension tube 62. By setting the baffle ring 63, even if water flows into the base 1 through the gap between the thermostat 23 and the mating hole 11, the water flows into the baffle ring 63 and is collected by the baffle ring 63, preventing the water from affecting the electronic components on the outside of the baffle ring 63, further ensuring the safety of using the cooking appliance.

[0059] Optionally, such as Figure 3 and Figure 4 As shown, the top surface of the bracket 22 is provided with a through hole 221, and the temperature controller 23 also includes a temperature-sensing cap 231 and a thermistor 232. The thermistor 232 is disposed in the through hole 221, and the temperature-sensing cap 231 is sleeved on the upper end of the bracket 22.

[0060] Specifically, the through hole 221 is located in the middle of the top surface of the bracket 22, and the central axis of the through hole 221 is collinear with the central axis of the mating hole 11. The temperature-sensing cap 231 is sleeved on the upper end of the bracket 22. When the pot body 3 is placed on the base 1, it can contact the temperature-sensing cap 231 to transfer the heat of the pot body 3 to the heat-sensitive element 232 through the temperature-sensing cap 231, thereby improving the sensitivity of the thermostat 23 to the heat of the pot body 3, ensuring the user's cooking experience and avoiding burns.

[0061] Specifically, the through hole 221 is located in the middle of the top surface of the protrusion 223.

[0062] Specifically, the temperature-sensing cap 231 is an aluminum temperature-sensing cap 231, which can better transfer the heat of the pot body 3 to the thermistor element 232.

[0063] Optionally, such as Figure 1 and Figure 2As shown, the cooking appliance also includes an abutment 61, which is located below the temperature sensing component 2. The elastic member 4 abuts between the temperature sensing component 2 and the abutment 61. The abutment 61 is disposed inside the base 1 and connected to the base 1. The lower end of the elastic member 4 abuts against the abutment 61, making the elastic member 4 securely installed.

[0064] Specifically, such as Figure 3 As shown, the lower end of the support cylinder 222 is open, and the elastic element 4 is located inside the support cylinder 222. One end of the elastic element 4 abuts against the inner top surface of the support cylinder 222, and the other end of the elastic element 4 abuts against the abutting member 61, so that the elastic element 4 is installed firmly and can also play a guiding role for the elastic element 4, ensuring structural stability when the elastic element 4 is compressed or reset.

[0065] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0066] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0067] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0068] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0069] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0070] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A cooking utensil, characterized in that, include: A base (1) is provided with a mating hole (11); Temperature sensing component (2), which fits in the mating hole (11) and is movable up and down relative to the base (1); The pot body (3) can be placed on the base (1) and abut against the top of the temperature sensing component (2); An elastic element (4) is attached at its upper end to the temperature sensing component (2) to provide an upward elastic force; A sealing element (5) is fitted onto the temperature sensing component (2) and located within the mating hole (11). The sealing element (5) can move together with the temperature sensing component (2).

2. The cooking utensil according to claim 1, characterized in that, The outer peripheral surface of the seal (5) has an annular rib (51), which abuts against the inner wall surface of the mating hole (11).

3. The cooking utensil according to claim 2, characterized in that, There are multiple annular ribs (51), and the multiple annular ribs (51) are arranged axially at intervals in the seal (5).

4. The cooking utensil according to claim 1, characterized in that, The inner circumferential surface of the sealing element (5) is provided with a protrusion (52), and the outer circumferential surface of the temperature sensing component (2) is provided with a recess (21), and the protrusion (52) fits into the recess (21).

5. The cooking utensil according to claim 1, characterized in that, The temperature sensing component (2) includes a bracket (22) and a thermostat (23). The thermostat (23) is located on the bracket (22), and the upper end of the bracket (22) and a part of the thermostat (23) can extend out of the base (1) through the mating hole (11). The sealing element (5) is arranged around the bracket (22).

6. The cooking utensil according to claim 5, characterized in that, The bracket (22) includes a support cylinder (222) and a protrusion (223). The protrusion (223) is located at the upper end of the support cylinder (222). The mating hole (11) includes a first section (111) and a second section (112) connected sequentially from top to bottom. The cross-sectional area of ​​the first section (111) is smaller than that of the second section (112). The support cylinder (222) is fitted inside the second section (112). The protrusion (223) is fitted inside the first section (111) and can extend from the upper end of the first section (111) to the base (1).

7. The cooking utensil according to claim 6, characterized in that, The sealing element (5) includes a cylindrical element (53) and an annular plate (54). The cylindrical element (53) is arranged around the supporting cylinder (222), and the annular plate (54) is arranged around the protrusion (223). The bottom surface of the annular plate (54) is in contact with the top surface of the supporting cylinder (222).

8. The cooking utensil according to claim 6, characterized in that, The base (1) has a retaining ring (63) located below the mating hole (11). In a projection plane orthogonal to the vertical direction, the projection of the second segment (112) is located inside the retaining ring (63). The outer side of the retaining ring (63) is used to place electronic components.

9. The cooking utensil according to claim 5, characterized in that, The top surface of the bracket (22) is provided with a through hole (221). The temperature controller (23) also includes a temperature-sensing cap (231) and a thermistor (232). The thermistor (232) is disposed in the through hole (221), and the temperature-sensing cap (231) is sleeved on the upper end of the bracket (22).

10. The cooking utensil according to any one of claims 1-9, characterized in that, It also includes an abutment (61) located below the temperature sensing component (2), and the elastic member (4) abuts between the temperature sensing component (2) and the abutment (61).