Cooking utensil

Abstract

The utility model relates to the technical field of cooking equipment, in particular to a cooking utensil which comprises a shell, a heating element and a heating element, the baking tray is arranged in the shell and covers the mounting area, and a heating cavity is defined by the baking tray and the mounting area; the temperature sensor is arranged in the shell and located outside the heating cavity, the temperature sensor is provided with a temperature sensing part used for detecting the temperature, and the temperature sensing part abuts against the baking tray. And the temperature sensor is arranged outside the heating cavity, so that the whole temperature sensor is prevented from being in a high-temperature environment in the heating cavity for a long time, the influence of high temperature in the heating cavity on the temperature sensor is reduced, the environment temperature of the temperature sensor is reduced, and the service life of the temperature sensor is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of cooking equipment, in particular to a cooking utensil. Background Art

[0002] Currently, pizza oven temperature sensors are typically placed directly below the baking tray. This allows for a clearance of approximately 5mm between the sensor and the baking tray. This arrangement results in a significant discrepancy between the sensor's measured temperature and the actual baking tray temperature, leading to inaccurate temperature control. The temperature sensor is located below the baking tray, within the heating element mounting area between the baking tray and the base. The high temperature of the heating element significantly affects the sensor's detection of the baking tray temperature, increasing errors in the baking tray temperature data collection. Furthermore, the baking tray and the heating element mounting area form a relatively enclosed, high-temperature chamber exceeding 500°C. Placing the temperature sensor below the baking tray makes it susceptible to aging and failure due to prolonged exposure to high temperatures, shortening its service life. Utility Model Content

[0003] The purpose of this utility model is to at least solve the problem of poor data acquisition accuracy and short service life of temperature sensors due to the influence of heating tubes. This purpose is achieved by the following means:

[0004] The utility model proposes a cooking utensil, which comprises: a shell, wherein a mounting area for accommodating a heating element is provided in the shell; a baking tray is provided in the shell and covers the mounting area, wherein the baking tray and the mounting area define a heating cavity; and a temperature sensor is provided in the shell and located outside the heating cavity, wherein the temperature sensor has a temperature sensing portion for detecting temperature, wherein the temperature sensing portion abuts against the baking tray.

[0005] The cooking appliance of the present invention utilizes a temperature sensor whose temperature-sensing portion directly contacts the baking tray to accurately detect the temperature of the baking tray, thereby improving the temperature control accuracy of the cooking appliance. Furthermore, the temperature sensor is located outside the heating chamber, preventing the entire temperature sensor from being exposed to the high temperature environment within the heating chamber for a long period of time. This reduces the impact of the high temperature within the heating chamber on the temperature sensor, lowers the ambient temperature of the temperature sensor, and thus increases the service life of the temperature sensor.

[0006] In addition, the cooking appliance according to the present invention may also have the following additional technical features:

[0007] In some embodiments of the present invention, a cooking cavity is defined within the shell, the cooking cavity includes side walls and a bottom wall, the installation area is arranged on the bottom wall, the installation area is recessed toward the side away from the baking tray and defines the heating cavity with the baking tray, the temperature sensor is arranged on the side wall, and the temperature sensing portion is against the circumferential edge of the baking tray.

[0008] In some embodiments of the present invention, the cooking utensil further includes a guide member and an elastic member, wherein the guide member is provided on the side wall, and the guide member is provided with a guide structure extending along a first direction, and the temperature sensor is slidably connected to the guide structure, one end of the elastic member is connected to the side wall, and the other end of the elastic member is connected to the temperature sensor, and applies an elastic force to the temperature sensor to move toward the baking tray, and the first direction is parallel to or at an angle to the bearing surface of the baking tray.

[0009] In some embodiments of the present invention, the side wall is provided with a limiting boss, and along the first direction, the limiting boss is arranged opposite to the circumferential edge of the baking tray, and the limiting boss and the temperature sensor are respectively located on opposite sides of the baking tray.

[0010] In some embodiments of the present invention, along the first direction, when the elastic member is in a naturally extended state, the distance between the temperature sensing portion and the side wall is L0; when the elastic member is in a compressed state, the distance between the temperature sensing portion and the side wall is L1; and the distance between the limiting boss and the circumferential edge of the baking tray is L2, where L2 is less than L0-L1.

[0011] In some embodiments of the present invention, the limiting boss includes a connected side surface and a limiting end surface, the limiting end surface is arranged opposite to the circumferential edge of the baking tray, the side surface is arranged as an inclined surface inclined relative to the side wall, and the side surface is smoothly connected to the side wall.

[0012] In some embodiments of the present invention, the guide structure is configured as a sliding hole that passes through the guide member along the first direction, the temperature sensor includes a columnar main body portion, the main body portion can be slidably inserted into the sliding hole, and the temperature sensing portion is provided at one end of the main body portion facing the baking tray.

[0013] In some embodiments of the present invention, a protrusion is provided on the outer peripheral surface of the main body, and the protrusion is located between the baking tray and the guide member. The elastic member is sleeved outside the main body, and the two ends of the elastic member are respectively against the protrusion and the guide member.

[0014] In some embodiments of the present invention, the cooking utensil further includes a fixing nut, the side wall is provided with a mounting hole, the outer peripheral surface of the guide member is provided with an external thread that cooperates with the fixing nut, the guide member is passed through the mounting hole and is detachably mounted on the side wall through the fixing nut.

[0015] In some embodiments of the present invention, the bottom wall is further provided with a supporting boss, the supporting boss is annular and arranged outside the installation area, and the baking tray is arranged on the supporting boss. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiments below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present invention. Throughout the accompanying drawings, the same reference numerals are used to denote the same components.

[0017] Figure 1 This is a schematic cross-sectional view of a cooking utensil in which the elastic member according to one embodiment of the present invention is in a compressed state;

[0018] Figure 2 for Figure 1 A partial enlarged schematic diagram of part A;

[0019] Figure 3 for Figure 1 A partial enlarged schematic diagram of part B;

[0020] Figure 4 The figure is a schematic cross-sectional view of a cooking utensil in which the elastic member according to one embodiment of the present invention is in a naturally stretched state.

[0021] The reference numerals in the accompanying drawings represent the following:

[0022] 100. Cooking utensils;

[0023] 10. Housing; 11. Side wall; 111. Position-limiting boss; 1111. Side surface; 1112. Position-limiting end surface; 112. Mounting hole; 12. Bottom wall; 121. Mounting area; 122. Supporting boss; 13. Cooking chamber; 14. Heating chamber;

[0024] 20. Baking tray;

[0025] 30. Temperature sensor; 31. Main body; 32. Temperature sensing portion; 33. Raised portion;

[0026] 40. Guide member; 41. Main body; 42. Stopper; 401. Guide structure;

[0027] 50. Fixing nut;

[0028] 60. Elastic parts;

[0029] X - first direction. DETAILED DESCRIPTION

[0030] The following describes exemplary embodiments of the present invention in more detail with reference to the accompanying drawings. Although the accompanying drawings illustrate exemplary embodiments of the present invention, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. Rather, these embodiments are provided to facilitate a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0031] It should be understood that the terms used herein are for the purpose of describing specific example embodiments only and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "comprise", "include", "contain" and "have" are inclusive and therefore specify the presence of stated features, steps, operations, elements and / or parts, but do not exclude the presence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring them to be performed in the specific order described or illustrated, unless the order of execution is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0032] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates otherwise, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teachings of the exemplary embodiments.

[0033] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; mechanical connections, electrical connections, or communication between them; direct connections or indirect connections through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0034] For ease of description, spatially relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figures, such as "inside," "outside," "inside," "outside," "below," "beneath," "above," and the like. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is rotated, an element described as "below" or "beneath" another element or feature would subsequently be oriented "above" or "above" the other element or feature. Thus, the example term "below" can encompass both above and below orientations.

[0035] According to the embodiment of the present utility model, Figure 1 and Figure 2 As shown, a cooking appliance 100 is provided. The cooking appliance in this embodiment is an appliance for frying or grilling food. The cooking appliance 100 includes, but is not limited to, a pizza oven. The cooking appliance 100 includes a housing 10 , a baking tray 20 , and a temperature sensor 30 .

[0036] Specifically, the housing 10 is provided with an installation area 121, which is an area for mounting a heating element, including a heating tube. A grill pan 20 is provided in the housing 10 and covers the installation area 121. A heating chamber 14 is defined between the grill pan 20 and the housing 10 in the installation area 121. The heating tube can heat the grill pan 20, thereby using the grill pan 20 to fry or grill food, such as pizza. A temperature sensor 30 is provided in the housing 10 and is located outside the heating chamber 14. The temperature sensing portion 32 of the temperature sensor 30 abuts against the grill pan 20. The temperature sensing portion 32 of the temperature sensor 30 directly abuts against the grill pan 20 to accurately detect the temperature of the grill pan 20, thereby improving the temperature control accuracy of the cooking appliance 100. Furthermore, the temperature sensor 30 is positioned outside the heating chamber 14 to prevent the entire temperature sensor 30 from being exposed to the high temperature environment within the heating chamber 14 for a long period of time. This reduces the impact of the high temperature within the heating chamber 14 on the temperature sensor 30, lowers the ambient temperature of the temperature sensor 30, and helps to increase the service life of the temperature sensor 30. Furthermore, by placing the temperature sensor 30 on the back, the influence of the temperature of the heating tube itself on the temperature sensor 30 is reduced, thereby further improving the accuracy of the temperature sensor 30 in collecting the temperature of the baking tray 20.

[0037] The temperature sensor 30 is a contact temperature sensor 30. The temperature sensing portion 32 of the temperature sensor 30 is in good contact with the baking pan 20, achieving thermal equilibrium through heat conduction. This allows the thermometer's reading to directly represent the temperature of the baking pan 20, resulting in high measurement accuracy. Examples of temperature sensor 30 include, but are not limited to, bimetallic thermometers, pressure thermometers, resistance thermometers, and thermistors. For example, a resistance thermometer has a temperature sensing portion 32, which is a metal wire resistor. The metal wire resistor is in direct contact with the baking pan 20, and the two reach thermal equilibrium through heat conduction. The temperature-dependent resistance of the metal wire resistor allows for accurate measurement of the temperature of the baking pan 20.

[0038] Specifically, the housing 10 includes a bottom wall 12 and side walls 11, defining a cooking cavity 13. A mounting area 121 is provided on the bottom wall 12, recessed toward the side facing away from the grilling tray 20. The grilling tray 20 can be placed on the bottom wall 12, covering the mounting area 121. A heating cavity 14 is defined between the grilling tray 20 and the recessed area. A temperature sensor 30 is mounted on the side wall 11, with its temperature-sensing portion 32 abutting against the circumferential edge of the grilling tray 20. This arrangement reduces the likelihood of interference between the grilling tray 20 and the temperature sensor 30 when the grilling tray 20 is placed into the cooking cavity 13 and positioned above the mounting area 121, or when removed from the cooking cavity 13. This facilitates placement and removal of the grilling tray 20, facilitating operations such as cleaning the grilling tray 20.

[0039] In some embodiments, as Figure 1 and Figure 2As shown, the cooking appliance 100 further includes a guide member 40 and an elastic member. The guide member 40 is disposed on the side wall 11 and includes a guide structure 401 extending in a first direction. The temperature sensor 30 is slidably connected to the guide structure 401, enabling the temperature sensor 30 to move relative to the baking tray 20 in the first direction. As the position of the baking tray 20 changes within the cooking cavity 13, the temperature sensor 30 can slide on the guide structure 401 to ensure that the temperature sensing portion 32 of the temperature sensor 30 always abuts against the baking tray 20, thereby ensuring accurate temperature detection. One end of the elastic member is connected to the side wall 11, and the other end is connected to the temperature sensor 30. The elastic member applies an elastic force toward the baking tray 20 to the temperature sensor 30. The elastic member is used to provide a driving force toward the baking tray 20. As the position of the baking tray 20 changes within the cooking cavity 13, the temperature sensor 30 is driven toward the baking tray 20, ensuring that the temperature sensing portion 32 of the temperature sensor 30 always abuts against the baking tray 20, thereby ensuring accurate temperature detection. The first direction is parallel to or at an angle to the supporting surface of the baking tray 20, which is also the cooking surface of the baking tray 20 for cooking food. In this embodiment, the baking tray 20 is a circular plate-like structure, with the supporting surface of the baking tray 20 facing upward, and the plane of the baking tray 20 facing downward is parallel to the supporting surface and abuts against the bottom wall 12 of the housing 10. Figure 1 and Figure 4 The direction indicated by X.

[0040] It should also be noted that when the temperature sensing portion 32 is in contact with the baking tray 20 , the elastic member is in a compressed state, and the elastic member presses the temperature sensing portion 32 against the circumferential edge of the baking tray 20 to maintain good contact between the temperature sensing portion 32 and the baking tray 20 .

[0041] The guide structure 401 can be configured in a variety of structural forms. In some embodiments, the guide structure 401 can be configured as a slide rail, with the temperature sensor 30 provided as a slider slidably connected to the slide rail. Alternatively, in other embodiments, the guide structure 401 can be configured as a chute, with the temperature sensor 30 slidably disposed within the chute. The guide structure 401 can also be configured in other structural forms, which are not listed here.

[0042] In this embodiment, Figure 1 and Figure 2As shown, the side wall 11 is provided with a mounting hole 112, which communicates with the cooking cavity 13. The guide member 40 includes a tubular main body 41 and a stopper 42 disposed around the outer circumference of the main body 41. The main body 41 is inserted into the mounting hole 112, and the stopper 42 abuts against the outer wall of the housing 10. One end of the main body 41 extends into the cooking cavity 13 through the mounting hole 112. The outer circumference of the main body 41 located within the mounting hole 112 and the cooking cavity 13 is further provided with external threads. The cooking appliance 100 also includes a fixing nut 50 having an internal thread that mates with the external thread on the main body 41. The fixing nut 50 is disposed within the cooking cavity 13 and sleeved over the main body 41. The fixing nut 50 pre-tightens the guide member 40 to the side wall 11. Furthermore, the guide structure 401 is configured as a sliding hole that passes through the main body 41 along the first direction. The temperature sensor 30 includes a columnar main body 31, which can be slidably inserted into the sliding hole. The end of the main body 31 facing the baking tray 20 is provided with a temperature sensing portion 32 and is located in the cooking cavity 13. The end of the main body 31 facing away from the baking tray 20 is located outside the cooking cavity 13. A protrusion 33 is provided on the outer peripheral surface of the main body 31, and the protrusion 33 is located between the baking tray 20 and the guide member 40. The elastic member is sleeved outside the main body 31 and the two ends of the elastic member are respectively against the protrusion 33 and the guide member 40.

[0043] In this embodiment, the elastic member is a coil spring, and the maximum outer diameter of the temperature sensor 30 and the elastic member is smaller than the inner diameter of the fixing nut 50 and the mounting hole. After the fixing nut 50 is removed from the guide member 40, the temperature sensor 30, the elastic member and the guide member 40 can be removed from the cooking cavity 13 through the mounting hole, making the disassembly and assembly of the temperature sensor 30, the guide member 40 and other components more convenient and quick, thereby facilitating operations such as maintenance and replacement of the temperature sensor 30.

[0044] In this embodiment, please combine Figure 1 、 Figure 3 and Figure 4 As shown, the side wall 11 is provided with a limiting boss 111. Along the first direction, the limiting boss 111 is arranged opposite to the circumferential edge of the baking tray 20, and the limiting boss 111 and the temperature sensor 30 are respectively located on opposite sides of the baking tray 20. The baking tray 20 is clamped between the limiting boss 111 and the temperature sensor 30. By setting the limiting boss 111 to limit the position of the baking tray 20 on the bottom wall 12, it is ensured that the temperature sensing part 32 of the temperature sensor 30 can be against the baking tray 20.

[0045] Specifically, along the first direction, when the elastic member is naturally extended, the distance between the temperature sensing portion 32 and the side wall 11 is L0. When the elastic member is compressed, the distance between the temperature sensing portion 32 and the side wall 11 is L1. The distance between the limiting boss 111 and the circumferential edge of the baking tray 20 is L2, where L2 < L0 - L1. This ensures that the temperature sensing portion 32 of the temperature sensor 30 is always in close contact with the baking tray 20, accurately capturing the temperature data of the baking tray 20. In this embodiment, regardless of the position of the baking tray 20 within the cavity, the temperature sensing portion 32 of the temperature sensor 30 remains in close contact with the baking tray 20, thereby accurately capturing the temperature of the baking tray 20.

[0046] In some embodiments, the baking tray 20 is a disc-shaped structure with a diameter R. When the elastic member is naturally extended, the distance between the temperature sensing portion 32 and the limiting boss 111 is D1. When the elastic member is at its maximum compression, the distance between the temperature sensing portion 32 and the limiting boss 111 is D2, where D1 < R < D2. This arrangement ensures that the temperature sensing portion 32 of the temperature sensor 30 is always in close contact with the baking tray 20, accurately collecting temperature data from the baking tray 20.

[0047] In some embodiments, please combine Figure 1 、 Figure 3 and Figure 4 As shown, the limiting boss 111 protrudes from the wall surface of the side wall 11 toward the baking tray 20 along the first direction, and the limiting boss 111 includes a connected side surface 1111 and a limiting end surface 1112. The limiting end surface 1112 is arranged opposite to the circumferential edge of the baking tray 20, and the side surface 1111 is connected to the wall surface of the side wall 11 of the shell 10. The side surface 1111 is set as an inclined surface inclined relative to the side wall 11, and the side surface 1111 is smoothly connected to the side wall 11. With such arrangement, during the process of placing the baking tray 20 in the cooking cavity 13, the side surface 1111 of the limiting boss 111 has a guiding function during the downward movement of the edge of the baking tray 20, so that the baking tray 20 can be smoothly placed on the bottom wall 12 of the shell 10 from top to bottom, avoiding the interference between the limiting boss 111 and the baking tray 20, which may cause the baking tray 20 to be unable to be placed on the bottom wall 12. Moreover, under the guiding action of the side surface 1111 of the limiting boss 111, the baking tray 20 as a whole moves toward the side close to the temperature sensor 30, so that the circumferential edge of the baking tray 20 can be against the temperature sensing part 32 of the temperature sensor 30.

[0048] In some embodiments, please combine Figure 1 and Figure 4As shown, bottom wall 12 is further provided with a supporting boss 122. Supporting boss 122 is annular and disposed outside mounting area 121. Grill pan 20 is disposed on supporting boss 122, and supporting boss 122 encloses mounting area 121 within the interior of supporting boss 122. This effectively prevents liquids such as water and oil from dripping from the edge of grill pan 20 from flowing into mounting area 121, thereby reducing the risk of water, oil, and other liquids from contaminating electrical components such as heating elements disposed within mounting area 121 and improving the safety of cooking appliance 100. Furthermore, by providing supporting boss 122, liquids such as water and oil that drip from the edge of grill pan 20 are collected in the area between supporting boss 122 and side wall 11, facilitating centralized cleaning of liquids such as water and oil, thereby facilitating cleaning operations.

[0049] In this embodiment, baking tray 20 is a pizza stone. Compared to ordinary stone slabs, pizza stone has excellent thermal stability, a loose structure, and a low thermal expansion coefficient. It can be easily manufactured into a porous, thin-walled plate. The porous nature of this plate absorbs moisture from the bottom of the ingredients, facilitating a uniform and stable heat supply to the ingredients. Furthermore, it can effectively alleviate thermal stress during the cooking process when the temperature fluctuates rapidly. Of course, in this application, baking tray 20 can also be made of other plates with heat storage capabilities, such as metal plates with a high heat storage coefficient.

[0050] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A cooking utensil, characterized in that: The cooking appliance comprises: A housing, wherein a mounting area for accommodating a heating element is provided in the housing; a baking tray, disposed in the housing and covering the mounting area, wherein the baking tray and the mounting area define a heating chamber; A temperature sensor is provided in the housing and outside the heating chamber. The temperature sensor comprises a temperature sensing portion for detecting temperature, and the temperature sensing portion abuts against the baking tray.

2. The cooking appliance according to claim 1, wherein A cooking cavity is defined within the shell, and the cooking cavity includes side walls and a bottom wall. The installation area is provided on the bottom wall, and the installation area is recessed toward a side away from the baking tray and defines the heating cavity with the baking tray. The temperature sensor is provided on the side wall, and the temperature sensing portion abuts against the circumferential edge of the baking tray.

3. The cooking appliance according to claim 2, wherein: The cooking utensil further includes a guide member and an elastic member, wherein the guide member is provided on the side wall, and the guide member is provided with a guide structure extending along a first direction, and the temperature sensor is slidably connected to the guide structure, one end of the elastic member is connected to the side wall, and the other end of the elastic member is connected to the temperature sensor, and applies an elastic force to the temperature sensor to move toward the baking tray, and the first direction is parallel to or at an angle to the bearing surface of the baking tray.

4. The cooking appliance according to claim 3, wherein: The side wall is provided with a limiting boss, and along the first direction, the limiting boss is arranged opposite to the circumferential edge of the baking tray, and the limiting boss and the temperature sensor are respectively located on opposite sides of the baking tray.

5. The cooking appliance according to claim 4, characterized in that Along the first direction, when the elastic member is in a naturally extended state, the distance between the temperature sensing portion and the side wall is L0; when the elastic member is in a compressed state, the distance between the temperature sensing portion and the side wall is L1; and the distance between the limiting boss and the circumferential edge of the baking tray is L2, where L2 is less than L0-L1.

6. The cooking appliance according to claim 4, wherein: The limiting boss includes a connected side surface and a limiting end surface, the limiting end surface is arranged opposite to the circumferential edge of the baking tray, the side surface is arranged as an inclined surface inclined relative to the side wall, and the side surface is smoothly connected to the side wall.

7. The cooking appliance according to claim 3, wherein The guide structure is configured as a sliding hole that passes through the guide member along the first direction. The temperature sensor includes a columnar main body portion that is slidably disposed in the sliding hole. The temperature sensing portion is disposed at one end of the main body portion facing the baking tray.

8. The cooking appliance according to claim 7, wherein: A raised portion is provided on the outer peripheral surface of the main body, and the raised portion is located between the baking tray and the guide member. The elastic member is sleeved outside the main body, and two ends of the elastic member are respectively against the raised portion and the guide member.

9. The cooking appliance according to claim 3, wherein The cooking utensil further includes a fixing nut, the side wall is provided with a mounting hole, the outer peripheral surface of the guide member is provided with an external thread that cooperates with the fixing nut, the guide member is passed through the mounting hole and is detachably mounted on the side wall through the fixing nut.

10. The cooking appliance according to any one of claims 2 to 9, characterized in that The bottom wall is further provided with a supporting boss, which is annular and arranged outside the installation area, and the baking tray is arranged on the supporting boss.

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