Inner container assembly and oven

By setting up a dislocated hot air fan installation slot in the oven inner liner assembly, the problem of difficult to control the temperature field uniformity in the existing oven is solved, and a more uniform heating effect and a more convenient cleaning process is achieved.

CN120078280APending Publication Date: 2025-06-03NINGBO FOTILE KITCHEN WARE CO LTD
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Patent Information

Application Number
CN202510395768.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2025-06-03

AI Technical Summary

Technical Problem

The uniformity of the medium temperature field of the existing oven is difficult to control, resulting in uneven heating and difficulty in cleaning.

Method used

An inner liner assembly is designed, by setting up upper and lower dislocation installation grooves on the left and right sides of the inner liner body, and installing a hot air fan in each slot. The air outlet and return air holes of the hot air are connected to the air outlet and return air holes of the cavity respectively to ensure that the hot air covers sufficiently and avoid the temperature field cold zone and uneven phenomena.

Benefits of technology

The temperature field uniformity in the inner liner body is achieved, the cooking efficiency and heating effect are improved, and the cleaning process is facilitated.

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Abstract

The inner container assembly comprises an inner container body and a pair of hot-air blowers, the inner container body is provided with a containing cavity and a pair of mounting grooves which are located in the left side and the right side of the containing cavity respectively and arranged in an up-down staggered mode, the two hot-air blowers are installed in the two mounting grooves respectively, and each hot-air blower is provided with an air outlet hole and an air return hole which communicate with the containing cavity. The two mounting grooves are staggered up and down, so that the hot air influence range of the two hot-air blowers can fully cover the whole liner body, a temperature field cold area is avoided, and meanwhile, the problem of non-uniform temperature field in the whole liner body caused by mutual blowing of the two hot-air blowers is avoided.
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Description

Technical Field

[0001] The present invention relates to the technical field of ovens, and particularly to an inner container assembly and an oven. Background Art

[0002] Currently, an oven usually has a hot air blower provided at the back of the cavity to achieve air circulation inside the oven. To improve the heating effect, a heating tube is usually additionally installed at the top of the inner container, and even another heating tube is additionally installed at the bottom of the cavity. Although this improves the cooking efficiency to a certain extent, it also affects the volume of the cavity. When multiple heating tubes work simultaneously, they affect each other, and it is not necessarily possible to ensure the temperature uniformity of the entire cavity. Moreover, installing heating tubes at the top and back of the cavity affects the volume of the cavity, and at the same time, it makes the cavity difficult to clean after cooking, and it is difficult to control the temperature field uniformity of the entire cavity. Summary of the Invention

[0003] Based on the problem that the temperature field uniformity in the existing oven is difficult to control, it is necessary to provide an inner container assembly and an oven.

[0004] An inner container assembly includes:

[0005] An inner container body having a receiving cavity and a pair of mounting grooves respectively located on the left and right sides of the receiving cavity and arranged vertically offset; and

[0006] A pair of hot air blowers respectively installed in the two mounting grooves, the hot air blower having an air outlet hole and a return air hole respectively communicating with the receiving cavity.

[0007] With such a setting, by arranging the two mounting grooves vertically offset, not only can the hot air influence ranges of the two hot air blowers fully cover the entire inner container body, avoiding the occurrence of temperature field cold zones, but also the problem of uneven temperature field in the entire inner container body caused by the two hot air blowers blowing against each other is avoided.

[0008] In one embodiment, the air outlet hole is arranged to surround the return air hole.

[0009] With such a setting, it is beneficial to expand the coverage range of the hot air and reduce the temperature field cold zones in the inner container body.

[0010] In one embodiment, the two hot air blowers are arranged at intervals in the vertical direction.

[0011] With such a setting, the phenomenon of the two hot air blowers blowing against each other is further avoided, and the temperature field uniformity in the inner container body is improved.

[0012] In one embodiment, the hot air blower includes a baffle plate providing the air outlet hole and the air return hole, a blower body installed in the installation groove, and a heating pipe installed in the installation groove. The baffle plate is detachably covered on the installation groove.

[0013] With such a setting, it is convenient to remove the baffle plate, facilitating the user to clean.

[0014] In one embodiment, the baffle plate includes an installation portion attached to the inner tank body and a convex platform protruding from the central area of the installation portion toward the opposite side wall. The air return hole is located on the top side of the convex platform, and the air outlet hole is located on the periphery of the convex platform.

[0015] With such a setting, the air return path and the air outlet path do not interfere with each other at the baffle plate, ensuring the stability of the air flow path.

[0016] In one embodiment, the convex platform is in the shape of a frustum of a cone.

[0017] With such a setting, the air outlet direction of the air outlet hole is inclined, making it easier for the air flow in the inner tank body to form a circulation path, which is beneficial to improving the uniformity of the temperature field.

[0018] In one embodiment, the inner tank assembly further includes a pair of side brackets respectively installed on the left side wall and the right side wall of the inner tank body of the inner tank assembly, and a baking tray placed on the side brackets to divide the accommodating cavity into an upper space and a lower space. Two supporting ends of the baking tray are respectively arranged at intervals from the side wall of the inner tank body to form a left channel and a right channel communicating the upper space and the lower space.

[0019] With such a setting, the formation of the left channel and the right channel also ensures that the air flow path can always cover the baking tray, improving the uniformity of the temperature field.

[0020] In one embodiment, the side bracket has a first support position, a second support position, and a third support position arranged in sequence from bottom to top in the vertical direction. The number of the air outlet holes is at least four;

[0021] When the baking tray is located at the second support position, the two air return holes are respectively communicated with the lower space and the upper space, at least two of the air outlet holes respectively located on the left and right sides of the inner tank body are communicated with the upper space, and at least two of the air outlet holes respectively located on the left and right sides of the inner tank body are communicated with the lower space.

[0022] With such a setting, the upper space and the lower space can respectively form a centrally symmetric air flow path, and the air flow path wraps the baking tray, ensuring that the heat of the hot air blower can be fully absorbed by the food and improving the heating efficiency.

[0023] In one embodiment, when the baking tray is in the first support position or the third support position, at least one of the air outlet holes is located below the first support position, and at least one of the air outlet holes is located above the third support position.

[0024] With such an arrangement, when the baking tray is at a lower or higher position, the air flow path can also wrap around the baking tray, ensuring the heating effect of the hot air and improving the hot air heating efficiency.

[0025] The present application also provides an oven, comprising:

[0026] The inner container assembly as described above; and

[0027] A door assembly, which is installed on the inner container assembly and covers the inner container body of the inner container assembly.

[0028] With such an arrangement, based on the structure of the misaligned arrangement of the hot air blower in the inner container assembly and the position arrangement of the air outlet holes, the return air holes and the baking tray, the air flow path in the inner container body wraps around the baking tray, ensuring uniform heating of the baking tray and the food placed in the baking tray. Description of the Drawings

[0029] Figure 1 It is a schematic structural diagram of an inner container assembly provided by the present application;

[0030] Figure 2 is Figure 1 The front view of the inner container assembly shown;

[0031] Figure 3 is Figure 1 The schematic structural diagram of the inner container body in the inner container body shown;

[0032] Figure 4 is Figure 1 The schematic structural diagram of the hot air blower in the inner container assembly shown;

[0033] Figure 5 is Figure 4 The schematic structural diagram of the baffle in the hot air blower shown;

[0034] Figure 6 It is the schematic diagram of the air flow field when the baking tray is in the first support position;

[0035] Figure 7 It is the schematic diagram of the air flow field when the baking tray is in the third support position.

[0036] Reference Signs:

[0037] 10. Inner container body; 101. Accommodating cavity; 1011. Upper space; 1012. Lower space; 102. Installation groove; 20. Hot air blower; 201. Air outlet hole; 2011. Upper hole; 2012. Lower hole; 2013. Front hole; 2014. Rear hole; 202. Return air hole; 21. Baffle; 211. Installation part; 212. Boss; 22. Blower body; 23. Heating pipe; 30. Side bracket; 31. First support position; 32. Second support position; 33. Third support position; 40. Baking tray; 401. Communication hole. Detailed implementation manners

[0038] To make the above objects, features, and advantages of the present invention more apparent and understandable, the following detailed description of the specific implementation manners of the present invention will be given in conjunction with the accompanying drawings. Many specific details are set forth in the following description to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein. Those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0039] In the description of the present invention, 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. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0040] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0041] In the present invention, unless otherwise clearly defined and limited, the terms "installed", "connected", "joined", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In the present invention, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0043] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a middle element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation.

[0044] Current ovens usually have a hot air blower provided and cooperated at the back of the cavity to achieve air circulation inside the oven. To improve the heating effect, usually a heating tube is additionally installed at the top of the inner container, and even a heating tube is additionally installed at the bottom of the cavity. Although this improves the cooking efficiency to a certain extent, it also affects the volume of the cavity. When multiple heating tubes work simultaneously, they affect each other, and it is not necessarily possible to ensure the temperature uniformity of the entire cavity. Moreover, installing heating tubes at the top and back of the cavity affects the volume of the cavity and also makes it difficult to clean the cavity after cooking, and it is difficult to control the temperature field uniformity of the entire cavity.

[0045] Based on this, it is necessary to provide an inner container assembly and an oven with a controllable temperature field uniformity.

[0046] Please refer to Figures 1 to 4 , Figure 1 which is a schematic structural diagram of an inner container assembly provided by this application, Figure 2 and Figure 1 is a front view of the inner container assembly shown.Figure 3 As Figure 1 shown in the structural schematic diagram of the inner container body 10 in the inner container body 10 Figure 4 As Figure 1 shown in the structural schematic diagram of the hot air blower 20 in the inner container assembly. In an embodiment provided by the present application, the inner container assembly includes an inner container body 10 and a pair of hot air blowers 20. The inner container body 10 has a receiving cavity 101 and a pair of mounting grooves 102 located on the left and right sides of the receiving cavity 101 and arranged vertically offset. The two hot air blowers 20 are respectively mounted in the two mounting grooves 102. The hot air blower 20 has an air outlet hole 201 and a return air hole 202 respectively communicating with the receiving cavity 101. By arranging the two mounting grooves 102 vertically offset, the hot air influence ranges of the two hot air blowers 20 can fully cover the entire inner container body 10, avoiding the occurrence of temperature field cold zones, and at the same time avoiding the problem of uneven temperature field in the entire inner container body 10 caused by the two hot air blowers 20 blowing against each other. If the two hot air blowers 20 are arranged at the same height, the turbulent flow occurs after the airflows flowing in opposite directions are mixed in the inner container body 10, resulting in a decrease in the flow rate of the hot air, thereby reducing the heating efficiency. The generation of the turbulent flow also causes the phenomenon of chaotic temperature field in the inner container body 10, resulting in an unsatisfactory cooking effect. Preferably, the two hot air blowers are arranged at intervals in the vertical direction to further expand the coverage range of the hot air, fully cover the space in the inner container, reduce the temperature field cold zones in the inner container body, and at the same time can further reduce the problem of airflow disorder caused by the blowing against each other of the air outlets.

[0047] As Figure 4 and Figure 5 shown Figure 5 As Figure 4 shown in the structural schematic diagram of the baffle 21 in

[0048] As Figure 4As shown, for the convenience of assembly, the hot air blower 20 includes a baffle 21 providing an air outlet hole 201 and an air return hole 202, a blower body 22 installed in the installation groove 102, and a heating pipe 23 installed in the installation groove 102. The baffle 21 is detachably covered on the installation groove 102. In this way, it is convenient to remove the baffle 21 and convenient for the user to clean. In order to simplify production and reduce the interference between the air return path and the air outlet path at the baffle 21, in this embodiment, the baffle 21 includes an installation portion 211 attached to the inner tank body 10 and a convex platform 212 protruding from the central area of the installation portion 211 toward the opposite side wall. The air return hole 202 is located on the top side of the convex platform 212, and the air outlet hole 201 is located on the periphery of the convex platform 212. It can be understood that the baffle 21 is an integrally stamped part, and the stamped convex platform 212 structure also expands the installation space for accommodating the blower body 22 and the heating pipe 23. In order to further accelerate the diffusion of hot air, the convex platform 212 is set to a frustum shape. In this way, the air outlet direction of the air outlet hole 201 is inclined, making the air flow in the inner tank body 10 easier to form a circulation path, which is beneficial to improving the uniformity of the temperature field.

[0049] As Figure 2 and Figure 6 , Figure 7 shown, Figure 6 is a schematic diagram of the air flow field when the baking tray 40 is in the first support position 31, Figure 7 is a schematic diagram of the air flow field when the baking tray 40 is in the third support position 33. In an embodiment provided by the present application, the inner tank assembly further includes a pair of side brackets 30 respectively installed on the left side wall and the right side wall of the inner tank body 10 of the inner tank assembly and a baking tray 40 placed on the side brackets 30 to divide the accommodating cavity 101 into an upper space 1011 and a lower space 1012. The two support ends of the baking tray 40 are respectively arranged at intervals from the side wall of the inner tank body 10 to form a left channel and a right channel communicating the upper space 1011 and the lower space 1012. The formation of the left channel and the right channel also ensures that the air flow path can always cover the baking tray 40, improving the uniformity of the temperature field. Optionally, in this embodiment provided by the present application, the side bracket 30 has a first support position 31, a second support position 32, and a third support position 33 arranged in sequence from bottom to top in the vertical direction. The three support positions correspond to three arrangement modes of the baking tray 40 and also correspond to three heating modes of the oven, which can meet different heating requirements of users.

[0050] As Figure 2 and Figure 5As shown, optionally, in an embodiment provided by the present application, the number of air outlet holes 201 is at least four. When the baking tray 40 is located at the second support position 32, the two air return holes 202 are respectively communicated with the lower space 1012 and the upper space 1011. At least two air outlet holes 201 respectively located on the left and right sides of the inner container body 10 are communicated with the upper space 1011, and at least two air outlet holes 201 respectively located on the left and right sides of the inner container body 10 are communicated with the lower space 1012. In this way, the second part of the hot air is respectively ejected to the left from the upper hole 2011, the front hole 2013 and the rear hole 2014 of the hot air blower 20 on the right side, and the first part of the hot air is ejected to the right from the upper hole 2011 of the hot air blower 20 on the left side. The two parts of hot air are mixed on the left side of the upper space 1011 and then flow to the right to the air return hole 202. During the process of flowing to the right, the food in the baking tray 40 will be heated. In this way, the formed air flow path is clear, fully covering the entire upper space 1011, ensuring that the heat of the hot air blower 20 can be fully absorbed by the food. The same applies to the lower space 1012.

[0051] As Figure 5 , Figure 6 and Figure 7 As shown, when the baking tray 40 is located at the first support position 31 or the third support position 33, at least one air outlet hole 201 is located below the first support position 31, and at least one air outlet hole 201 is located above the third support position 33. In this way, it is beneficial to ensure that the baking tray 40 is fully covered by the air flow path. Specifically, taking the baking tray 40 located at the first support position 31 as an example, the first part of the hot air flowing out from the lower hole 2012 of the hot air blower 20 on the left side will flow to the right and heat the bottom of the baking tray 40. After the first part of the hot air reaches the right side, it will enter the upper space 1011 from the right channel, and the second part of the hot air flowing out from the lower hole 2012 of the hot air blower 20 on the right side will first be mixed with the first part of the hot air and then flow to the left to the air return hole 202 of the hot air blower 20 on the left side. During the flowing process, the food in the baking tray 40 will be heated. In this way, the air flow path fully wraps the baking tray 40, ensuring the uniformity of food heating. The same applies when the baking tray 40 is located at the third support position 33; the hot air flowing out from the front hole 2013 and the rear hole 2014 on the hot air blower 20 on the left side will flow to the right to the right side wall and then be mixed with the gas flowing out from the lower hole 2012 on the hot air blower 20 on the right side and the gas entering the upper space 1011 from the lower space 1012, and finally flow back to the air return hole 202 of the hot air blower 20 on the left side. The hot air flowing out from the upper hole 2011 on the hot air blower 20 on the left side will be mixed with the hot air flowing out from the upper hole 2011, the front hole 2013 and the rear hole 2014 on the right side, and finally flow back to the air return hole 202 of the hot air blower 20 on the right side. The air flow path in the entire inner container body 10 is clear, comprehensively covered, at least wrapping the entire baking tray 40, improving the hot air heating efficiency.

[0052] It can be understood that in the above three cases, the hot air flow path in the inner container assembly can wrap the baking tray, and the flow path is distributed in layers. When multiple baking trays 40 are used simultaneously, it is beneficial to improve the uniformity of heat reception of each layer of baking tray.

[0053] As Figure 1 shown, further, in order to facilitate the interaction of air flow in the upper space 1011 and the lower space 1012, communication holes 401 are also provided on both sides of the baking tray 40 in abutting cooperation with the side brackets 30. Taking the baking tray 40 in the first support position 31 as an example, the hot air flowing to the right in the lower space 1012 will enter the upper space 1011 from the communication hole 401 after reaching the right side, so as to be mixed with the hot air flowing out of the lower hole 2012 of the right hot air blower 20.

[0054] In addition, the present application also provides an oven, including an inner container assembly and a door assembly. The door assembly is installed on the inner container assembly and covers the inner container body 10 of the inner container assembly. Based on the structure in which the hot air blowers 20 in the inner container assembly are arranged in a staggered manner and the arrangement of the air outlet holes 201 and the air return holes 202 corresponding to the positions of the baking trays 40, the air flow path in the inner container body 10 wraps the baking trays 40, ensuring the uniform heat reception of the baking trays 40 and the uniform heat reception of the food placed in the baking trays 40.

[0055] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0056] The above embodiments only represent several implementation manners of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the invention patent should be subject to the appended claims.

Claims

1. An inner liner assembly, characterized in that: include: The liner body (10) comprises a receiving cavity (101) and a pair of mounting grooves (102) respectively located on the left and right sides of the receiving cavity (101) and arranged in an up-down staggered manner; and A pair of hot air blowers (20) are respectively installed in the two installation grooves (102), and the hot air blowers (20) have an air outlet (201) and an air return hole (202) respectively connected to the accommodating cavity (101).

2. The liner assembly according to claim 1, characterized in that: The air outlet holes (201) are arranged around the air return holes (202).

3. The liner assembly according to claim 1, characterized in that: The two hot air blowers (20) are arranged at intervals in the up-down direction.

4. The liner assembly according to claim 1, characterized in that: The hot air blower (20) comprises a baffle (21) providing the air outlet (201) and the air return hole (202), a blower body (22) installed in the installation groove (102), and a heating tube (23) installed in the installation groove (102); the baffle (21) is detachably covered on the installation groove (102).

5. The liner assembly according to claim 4, characterized in that: The baffle (21) comprises a mounting portion (211) attached to the inner tank body (10) and a boss (212) protruding from a central area of ​​the mounting portion (211) toward another opposite side wall, the return air hole (202) is located on the top side of the boss (212), and the outlet air hole (201) is located on the peripheral side of the boss (212).

6. The liner assembly according to claim 5, characterized in that: The boss (212) is in the shape of a frustum.

7. The liner assembly according to any one of claims 1 to 6, characterized in that: The liner assembly further comprises a pair of side brackets (30) respectively mounted on the left and right walls of the liner body (10) in the liner assembly and a baking tray (40) placed on the side brackets (30) to divide the accommodating cavity (101) into an upper space (1011) and a lower space (1012); two supporting ends of the baking tray (40) are respectively spaced apart from the side walls of the liner body (10) to form a left channel and a right channel connecting the upper space (1011) and the lower space (1012).

8. The liner assembly according to claim 7, characterized in that: The side bracket (30) has a first support position (31), a second support position (32) and a third support position (33) arranged vertically from bottom to top, and the number of the air outlet holes (201) is at least four; When the baking tray (40) is located at the second supporting position (32), the two return air holes (202) are respectively connected to the lower space (1012) and the upper space (1011), at least two of the air outlet holes (201) respectively located on the left and right sides of the inner pot body (10) are connected to the upper space (1011), and at least two of the air outlet holes (201) respectively located on the left and right sides of the inner pot body (10) are connected to the lower space (1012).

9. The liner assembly according to claim 8, characterized in that: When the baking tray (40) is located at the first supporting position (31) or the third supporting position (33), at least one of the air outlet holes (201) is located below the first supporting position (31), and at least one of the air outlet holes (201) is located above the third supporting position (33).

10. An oven, characterized in that: include: The liner assembly according to any one of claims 1 to 9; and A door assembly is installed on the inner liner assembly and covers the inner liner body (10) of the inner liner assembly.