Baking tray device with good waterproof performance

Abstract

The utility model belongs to the field of electric appliances, and particularly relates to a baking tray device with good waterproof performance, which comprises an upper shell, a lower shell and a circuit module, a baking tray component capable of heating is fixedly arranged on the upper shell, the upper shell and the lower shell are detachably connected, a mounting cavity is formed between the upper shell and the lower shell, the circuit module is arranged in the mounting cavity, and the circuit module is arranged in the mounting cavity. The circuit module is electrically connected with the baking tray assembly; the upper shell is provided with a first upper shell waterproof structure, the first upper shell waterproof structure surrounds the mounting cavity, the lower shell is provided with a first lower shell waterproof structure, the first lower shell waterproof structure surrounds the mounting cavity, and the first lower shell waterproof structure is engaged with the first upper shell waterproof structure. According to the baking tray, the upper shell and the lower shell are meshed through the first lower shell waterproof structure and the first upper shell waterproof structure, so that the waterproof performance of the joint of the upper shell and the lower shell is higher, water can be prevented from entering the baking tray when the baking tray is directly cleaned, and the baking tray is higher in reliability, longer in service life and safer.

Description

Technical Field

[0001] The utility model belongs to the field of electrical appliances, and in particular relates to a baking tray device. Background Art

[0002] An electric grill pan is an electrical appliance that uses electricity to cook, making it easy to fry and grill ingredients, providing users with a more convenient cooking method. For example, a grill pan disclosed in a prior patent (application number CN202320206498.1) includes a grill pan comprising a first grill pan and a first handle, wherein the first grill pan has an inwardly concave surface in the middle, a support sheet is provided on the outside of one side of the first grill pan, and a second anti-slip tooth is provided on the top of the support sheet, which is at a right angle to the edge of the first grill pan. A first handle is provided on the opposite side of the support sheet on the first grill pan, and the first grill pan and the first handle are detachably connected. The two grilling modes, external charcoal grilling and external charcoal grilling, can be freely combined according to actual needs, which is convenient and practical. In the baking tray disclosed in the prior patent, both the first baking tray and the second baking tray have circuit structures inside. In order to meet the installation requirements of the circuit structures, the first baking tray and the second baking tray must be configured as a structure composed of an upper and lower shell. However, this structural design makes it very easy for water to enter the interior when cleaning the ingredients after frying or baking, affecting the reliability and service life of the baking tray, and may even cause electric shock injuries and deaths. Utility Model Content

[0003] In order to solve the above problems, the purpose of the present invention is to provide a baking tray device with good waterproof performance. The device has good waterproof performance and can prevent water from entering the interior when the device is directly cleaned, making the baking tray more reliable, longer in service life, and safer.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present utility model is as follows.

[0005] A baking tray device with good waterproof performance, the device includes an upper shell, a lower shell, and a circuit module, a heated baking tray assembly is fixedly provided on the upper shell, the upper shell and the lower shell are detachably connected, an installation cavity is formed between the upper shell and the lower shell, the circuit module is arranged in the installation cavity, and the circuit module is electrically connected to the baking tray assembly; it is characterized in that the upper shell is provided with a first upper shell waterproof structure, the first upper shell waterproof structure surrounds the installation cavity, the lower shell is provided with a first lower shell waterproof structure, the first lower shell waterproof structure surrounds the installation cavity, and the first lower shell waterproof structure is engaged with the first upper shell waterproof structure.

[0006] In this baking tray device, the heating of the baking tray assembly is controlled by a circuit module to achieve the frying and baking functions of the baking tray. Compared with the prior art, the waterproof performance of the connection between the upper shell and the lower shell is higher due to the engagement of the first lower shell waterproof structure and the first upper shell waterproof structure. When directly cleaning the device, internal water ingress can be avoided, making the baking tray more reliable, having a longer service life, and being safer.

[0007] Further, the first lower shell waterproof structure includes a first lower shell protrusion, and the first upper shell waterproof structure includes a first upper shell groove. By inserting the first lower shell protrusion into the first upper shell groove, the first lower shell waterproof structure and the first upper shell waterproof structure are engaged.

[0008] Alternatively, the first lower shell waterproof structure includes a lower heat insulation groove, and the first upper shell waterproof structure includes a first upper shell protrusion. By inserting the first upper shell protrusion into the first lower shell groove, the first lower shell waterproof structure and the first upper shell waterproof structure are engaged.

[0009] Alternatively, the first lower shell waterproof structure includes a first lower shell protrusion and a first lower shell groove, and the first upper shell waterproof structure includes a first upper shell protrusion and a first upper shell groove. By inserting the first upper shell protrusion into the first lower shell groove and the first lower shell protrusion into the first upper shell groove, the first lower shell waterproof structure and the first upper shell waterproof structure are engaged.

[0010] Further, an upper shell handle channel penetrating the upper shell is provided at the upper shell, and a lower shell handle channel penetrating the lower shell is provided at the lower shell. The upper shell handle channel and the lower shell handle channel are connected to form a handle position. The setting of this handle position makes the carrying of this baking tray device more convenient.

[0011] Further, the upper shell is provided with a second upper shell waterproof structure that surrounds the upper shell handle channel, the lower shell is provided with a second lower shell waterproof structure that surrounds the lower shell handle channel, and the second lower shell waterproof structure and the second upper shell waterproof structure are engaged. By the engagement of the second lower shell waterproof structure and the second upper shell waterproof structure, the waterproof performance at the handle position can be improved.

[0012] Further, the second lower shell waterproof structure includes a second lower shell protrusion, and the second upper shell waterproof structure includes a second upper shell groove. By inserting the second lower shell protrusion into the second upper shell groove, the second lower shell waterproof structure and the second upper shell waterproof structure are engaged.

[0013] Alternatively, the second lower housing waterproof structure includes a second lower housing groove, and the second upper housing waterproof structure includes a second upper housing protrusion. The second upper housing protrusion extends into the second lower housing groove to engage the second lower housing waterproof structure with the second upper housing waterproof structure;

[0014] Alternatively, the second lower housing waterproof structure includes a second lower housing protrusion and a second lower housing groove, and the second upper housing waterproof structure includes a second upper housing protrusion and a second upper housing groove; the second upper housing protrusion extends into the second lower housing groove, and the second lower housing protrusion extends into the second upper housing groove to engage the second lower housing waterproof structure with the second upper housing waterproof structure.

[0015] Further, an installation opening communicating with the installation cavity is provided on the upper housing. The baking tray assembly includes a baking tray main body and a baking tray connecting portion. A baking tray groove for placing food is provided on the upper side of the baking tray main body. The baking tray connecting portion is wound around the outside of the baking tray main body. The baking tray connecting portion is disposed outside the installation opening, and the lower side of the baking tray main body extends into the installation cavity through the installation opening.

[0016] Further, the baking tray connecting portion is provided with a baking tray waterproof structure, and a third upper housing waterproof structure is further provided on the upper side of the upper housing. The third upper housing waterproof structure is wound around the installation opening, and the third upper housing waterproof structure is sleeved with the baking tray waterproof structure. By sleeving the third upper housing waterproof structure with the baking tray waterproof structure, the waterproof performance at the connection between the baking tray assembly and the upper housing can be improved; in other implementation manners, the baking tray assembly and the upper housing can also be integrally formed by injection molding or other fixing methods to ensure the waterproof performance at the connection between the baking tray assembly and the upper housing.

[0017] Further, the baking tray waterproof structure includes a baking tray waterproof protrusion, and the third upper housing waterproof structure includes a third upper housing protrusion. The baking tray waterproof protrusion is sleeved outside the third upper housing protrusion.

[0018] Further, a waterproof rubber ring is further provided on the upper side of the upper housing;

[0019] The waterproof rubber ring is sleeved inside the third upper housing protrusion, and the lower side of the baking tray connecting portion abuts against the waterproof rubber ring; or, the waterproof rubber ring is sleeved outside the third upper housing protrusion, and then the baking tray waterproof protrusion is sleeved outside the waterproof rubber ring, and the lower side of the baking tray connecting portion abuts against the waterproof rubber ring. Specifically, the above-mentioned waterproof rubber ring is made of an existing high-temperature resistant rubber material.

[0020] Further, the baking tray connecting portion is formed by bending downward from the outside of the baking tray main body.

[0021] Further, an upper shell heat insulation wall surrounding the installation opening is provided at the lower side of the upper shell corresponding to the installation opening, a lower shell heat insulation wall is provided at the upper side of the lower shell corresponding to the installation opening, the upper shell heat insulation wall abuts against the lower shell heat insulation wall, the upper shell heat insulation wall and the lower shell heat insulation wall surround the lower side of the baking tray main body extending into the installation cavity, and an avoidance opening is provided at the upper shell heat insulation wall or / and the lower shell heat insulation wall, and the circuit module is electrically connected to the baking tray main body through the avoidance opening. The " / " symbol above means "or".

[0022] Further, the lower shell heat insulation wall is provided with a lower heat insulation structure, the upper shell heat insulation wall is provided with an upper heat insulation structure, and the lower heat insulation structure is engaged with the upper heat insulation structure.

[0023] Further, the lower heat insulation structure includes a lower heat insulation groove, the upper heat insulation structure includes an upper heat insulation protrusion, and the lower heat insulation groove extends into the upper heat insulation protrusion so that the lower heat insulation structure and the upper heat insulation structure are engaged inside;

[0024] Or, the lower heat insulation structure includes a lower heat insulation groove, the upper heat insulation structure includes an upper heat insulation protrusion, and the upper heat insulation protrusion extends into the lower heat insulation groove so that the lower heat insulation structure and the upper heat insulation structure are engaged inside;

[0025] Or, the lower heat insulation structure includes a lower heat insulation groove and a lower heat insulation groove, the upper heat insulation structure includes an upper heat insulation protrusion and an upper heat insulation protrusion; the upper heat insulation protrusion extends into the lower heat insulation groove, and the lower heat insulation groove extends into the upper heat insulation protrusion so that the lower heat insulation structure and the upper heat insulation structure are engaged inside.

[0026] Further, heat dissipation holes are provided on the upper shell or the lower shell, and a breathable waterproof film is provided at the heat dissipation holes. The heat dissipation holes are used to dissipate heat from the baking tray device, and the breathable waterproof film can ensure waterproofness while dissipating heat.

[0027] Further, the baking tray main body is made of metal, and a heating structure is provided at the lower side of the baking tray main body, and the heating structure is electrically connected to the circuit module.

[0028] The beneficial effect of the present utility model is that in the baking tray device, the heating of the baking tray assembly is controlled by the circuit module to realize the frying and baking functions of the baking tray; compared with the prior art, the waterproof performance of the connection between the upper shell and the lower shell is higher due to the engagement of the first lower shell waterproof structure and the first upper shell waterproof structure. When directly cleaning the device, internal water ingress can be avoided, making the baking tray more reliable, having a longer service life, and being safer. Description of the Drawings

[0029] Figure 1 is a schematic structural diagram of the present utility model.

[0030] Figure 2 is a sectional view of the present utility model.

[0031] Figure 3 is Figure 2 a partially enlarged view of portion A of

[0032] Figure 4 is Figure 2 a partially enlarged view of portion B of

[0033] Figure 5 is an exploded view of the upper shell and the lower shell.

[0034] 1. Upper shell; 11. First upper shell waterproof structure; 111. First upper shell groove; 12. Upper mounting groove; 13. Upper shell handle passage; 14. Second upper shell waterproof structure; 141. Second upper shell groove; 15. Mounting opening; 16. Third upper shell waterproof structure; 161. Third upper shell protrusion; 162. Waterproof rubber ring; 17. Upper shell heat insulation wall; 171. Upper heat insulation protrusion; 172. Avoidance opening; 18. Pressing area; 19. Display area;

[0035] 2. Lower shell; 21. First lower shell waterproof structure; 211. First lower shell protrusion; 22. Lower mounting groove; 23. Lower shell handle passage; 24. Second lower shell waterproof structure; 241. Second lower shell protrusion; 25. Lower shell heat insulation wall; 251. Lower heat insulation groove; 26. Heat dissipation hole;

[0036] 3. Baking tray assembly; 31. Baking tray main body; 311. Baking tray groove; 32. Baking tray connecting part; 33. Baking tray waterproof structure; 331. Baking tray waterproof protrusion;

[0037] 4. Handle position. Detailed implementation manners

[0038] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0039] See Figures 1-5, this embodiment provides a baking tray device with good waterproof performance. The device includes an upper shell 1, a lower shell 2, and a circuit module. A baking tray assembly 3 that can be heated to grill food is fixedly arranged on the upper shell 1. The upper shell 1 and the lower shell 2 are detachably connected. An installation cavity is formed between the upper shell 1 and the lower shell 2. The circuit module is arranged in the installation cavity and is electrically connected to the baking tray assembly 3. A first upper shell waterproof structure 11 is arranged on the lower side of the upper shell 1. The first upper shell waterproof structure 11 surrounds the installation cavity. A first lower shell waterproof structure 21 is arranged on the upper side of the lower shell 2. The first lower shell waterproof structure 21 surrounds the installation cavity. The first lower shell waterproof structure 21 engages with the first upper shell waterproof structure 11.

[0040] Specifically, an upper installation groove 12 is arranged on the lower side of the upper shell 1. The first upper shell waterproof structure 11 surrounds the upper installation groove 12. A lower installation groove 22 is arranged on the upper side of the lower shell 2. The first lower shell waterproof structure 21 surrounds the lower installation groove 22. When the upper shell 1 and the lower shell 2 are assembled, first align the upper installation groove 12 with the lower installation groove 22. At this time, the first waterproof structure is aligned with the second waterproof structure. Then close the upper shell 1 and the lower shell 2. At this time, the upper installation groove 12 and the lower installation groove 22 enclose to form an installation cavity. At this time, the first lower shell waterproof structure 21 engages with the first upper shell waterproof structure 11.

[0041] In this embodiment, the first lower shell waterproof structure 21 includes a first lower shell protrusion 211. The first upper shell waterproof structure 11 includes a first upper shell groove 111. The first lower shell protrusion 211 extends into the first upper shell groove 111 to enable the first lower shell waterproof structure 21 to engage with the first upper shell waterproof structure 11. Specifically, waterproof glue can also be first applied in the first upper shell groove 111, and then the upper shell 1 and the lower shell 2 are combined so that there is waterproof glue between the first lower shell protrusion 211 and the first upper shell groove 111, further improving the waterproof performance.

[0042] In this embodiment, an upper shell handle channel 13 that penetrates the upper shell 1 is arranged at the upper shell 1. A lower shell handle channel 23 that penetrates the lower shell 2 is arranged at the lower shell 2. The upper shell handle channel 13 and the lower shell handle channel 23 are connected to form a handle position 4.

[0043] In this embodiment, a second upper shell waterproof structure 14 is arranged on the lower side of the upper shell 1. The second upper shell waterproof structure 14 surrounds the upper shell handle channel 13. A second lower shell waterproof structure 24 is arranged on the upper side of the lower shell 2. The second lower shell waterproof structure 24 surrounds the lower shell handle channel 23. The second lower shell waterproof structure 24 engages with the second upper shell waterproof structure 14.

[0044] In this embodiment, the second lower shell waterproof structure 24 includes a second lower shell protrusion 241, and the second upper shell waterproof structure 14 includes an upper shell second groove 141. The second lower shell protrusion 241 extends into the upper shell second groove 141 so that the second lower shell waterproof structure 24 engages with the second upper shell waterproof structure 14. Specifically, waterproof glue can also be applied to the first upper shell groove 111 and the upper shell second groove first, and then the upper shell 1 and the lower shell 2 are combined, so that there is waterproof glue between the first lower shell protrusion 211 and the first upper shell groove 111, and between the first lower shell protrusion 211 and the first upper shell groove 111, further improving the waterproof performance.

[0045] In this embodiment, an installation opening 15 communicating with the installation cavity is provided on the upper shell 1. The baking tray assembly 3 includes a baking tray main body 31 and a baking tray connecting portion 32. A baking tray groove 311 for placing food ingredients is provided on the upper side of the baking tray main body 31. The baking tray connecting portion 32 is wound around the outside of the baking tray main body 31. The baking tray connecting portion 32 is arranged outside the installation opening 15, and the lower side of the baking tray main body 31 extends into the installation cavity through the installation opening 15.

[0046] In this embodiment, a baking tray waterproof structure 33 is provided at the lower side of the baking tray connecting portion 32, and a third upper shell waterproof structure 16 is further provided on the upper side of the upper shell 1. The third upper shell waterproof structure 16 is wound around the installation opening 15, and the third upper shell waterproof structure 16 is sleeved with the baking tray waterproof structure 33.

[0047] In this embodiment, the baking tray waterproof structure 33 includes a baking tray waterproof protrusion 331, and the third upper shell waterproof structure 16 includes a third upper shell protrusion 161. The baking tray waterproof protrusion 331 is sleeved outside the third upper shell protrusion 161. The third upper shell protrusion 161 is in a frame shape, which is located on the upper side of the upper shell 1 and surrounds the installation opening 15. The third upper shell protrusion 161 is in a frame shape and is arranged at the lower side of the baking tray connecting portion 32. After the baking tray waterproof protrusion 331 is sleeved outside the third upper shell protrusion 161, the connection between the two has good waterproof performance. Specifically, the fixation between the baking tray assembly 3 and the upper shell 1 is a prior art, such as can be achieved by screws. That is, the screws sequentially pass through the upper shell and the baking tray waterproof protrusion 331 to fix the baking tray assembly 3 and the upper shell 1. After the screws are installed, waterproof glue can also be provided at the screw hole positions for waterproofing.

[0048] In this embodiment, a waterproof rubber ring 162 is further provided on the upper side of the upper shell 1. The waterproof rubber ring 162 can be sleeved inside the third upper shell protrusion 161, and the lower side of the baking tray connecting portion 32 abuts against the waterproof rubber ring 162. Or, in other embodiments, the waterproof rubber ring 162 can also be sleeved outside the third upper shell protrusion 161, and then the baking tray waterproof protrusion 331 is sleeved outside the waterproof rubber ring 162, and at the same time the lower side of the baking tray connecting portion 32 abuts against the waterproof rubber ring 162.

[0049] In this embodiment, the baking tray connecting portion 32 is formed by bending downward from the outside of the baking tray main body 31.

[0050] In this embodiment, an upper shell heat insulation wall 17 surrounding the mounting opening 15 is provided at the lower side of the upper shell 1 corresponding to the mounting opening 15, and a lower shell heat insulation wall 25 is provided at the upper side of the lower shell 2 corresponding to the mounting opening 15. The upper shell heat insulation wall 17 abuts against the lower shell heat insulation wall 25. The upper shell heat insulation wall 17 and the lower shell heat insulation wall 25 surround the lower side of the baking tray main body 31 extending into the mounting cavity, and an avoidance opening 172 is provided at the upper shell heat insulation wall 17. The circuit module is electrically connected to the baking tray main body 31 through the avoidance opening.

[0051] In this embodiment, the lower shell heat insulation wall 25 is provided with a lower heat insulation structure, and the upper shell heat insulation wall 17 is provided with an upper heat insulation structure. The lower heat insulation structure is engaged with the upper heat insulation structure.

[0052] In this embodiment, the lower heat insulation structure includes a lower heat insulation groove 251, and the upper heat insulation structure includes an upper heat insulation protrusion 171. The lower heat insulation structure is engaged with the upper heat insulation structure by inserting the lower heat insulation groove 251 into the upper heat insulation protrusion 171.

[0053] In this embodiment, two heat dissipation holes 26 are provided at the lower shell 2, and air-permeable waterproof membranes are provided at the heat dissipation holes 26. The air-permeable waterproof membrane is an existing air-permeable waterproof membrane.

[0054] In this embodiment, the baking tray main body 31 is made of metal, and a heating structure is provided at the lower side of the baking tray main body 31. The heating structure is electrically connected to the circuit module. Specifically, a heat insulation layer corresponding to the lower side of the baking tray main body 31 is further provided at the lower shell heat insulation wall 25, and the heating structure is covered by the heat insulation layer. The heating structure can be an existing heating wire or heating sheet, or a heating film coated on the lower side of the baking tray main body 31.

[0055] In this embodiment, the circuit module is a prior art and is a structure including a circuit board. The circuit board is electrically connected to the heating structure through the avoidance opening to control the heating of the heating structure; a key is further provided on the circuit board, and a pressing area 18 for pressing the key is provided on the upper shell 1. The pressing area 18 is located at the thinner wall of the upper shell 1, and the key can be pressed by pressing down; the circuit module may further include a screen electrically connected to the circuit board, and a display area 19 for display is provided on the upper shell 1. The display area 19 is a thinner wall and can transmit light to display the content displayed on the screen.

[0056] In this embodiment, the circuit module further includes a waterproof socket. The waterproof socket is fixed to the lower shell 2 and exposed outside, and the waterproof socket is electrically connected to the circuit board to supply power for the operation of the baking tray device.

[0057] In this embodiment, the upper shell 1 and the lower shell 2 can be fixed by screws, and waterproof glue can be applied at the screw installation positions for waterproofing; the upper shell 1 and the baking tray assembly 3 can also be fixed by screws, and waterproof glue can be applied at the screw installation positions for waterproofing; the method of waterproofing at the above screw installation positions with waterproof glue is a prior art.

[0058] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A baking tray device with good waterproof performance, the device includes an upper shell, a lower shell, and a circuit module. A baking tray assembly capable of heating is fixedly arranged on the upper shell. The upper shell and the lower shell are detachably connected. An installation cavity is formed between the upper shell and the lower shell. The circuit module is arranged in the installation cavity and is electrically connected to the baking tray assembly; characterized in that, The upper shell is provided with a first upper-shell waterproof structure which surrounds the installation cavity. The lower shell is provided with a first lower-shell waterproof structure which surrounds the installation cavity, and the first lower-shell waterproof structure engages with the first upper-shell waterproof structure.

2. The baking tray device with good waterproof performance according to claim 1, characterized in that, The first lower-shell waterproof structure includes a first lower-shell protrusion, and the first upper-shell waterproof structure includes a first upper-shell groove. The first lower-shell waterproof structure engages with the first upper-shell waterproof structure by the first lower-shell protrusion extending into the first upper-shell groove. Alternatively, the first lower-shell waterproof structure includes a lower heat-insulating groove, and the first upper-shell waterproof structure includes a first upper-shell protrusion. The first lower-shell waterproof structure engages with the first upper-shell waterproof structure by the first upper-shell protrusion extending into the first lower-shell groove. Alternatively, the first lower-shell waterproof structure includes a first lower-shell protrusion and a first lower-shell groove, and the first upper-shell waterproof structure includes a first upper-shell protrusion and a first upper-shell groove. The first lower-shell waterproof structure engages with the first upper-shell waterproof structure by the first upper-shell protrusion extending into the first lower-shell groove and the first lower-shell protrusion extending into the first upper-shell groove.

3. The baking tray device with good waterproof performance according to claim 1, characterized in that, A handle passage penetrating the upper shell is provided at the upper shell, and a handle passage penetrating the lower shell is provided at the lower shell. The handle passage of the upper shell and the handle passage of the lower shell are connected to form a handle position.

4. A baking tray device with good waterproof performance according to claim 3, characterized in that, The upper shell is provided with a second upper-shell waterproof structure which surrounds the handle passage of the upper shell. The lower shell is provided with a second lower-shell waterproof structure which surrounds the handle passage of the lower shell, and the second lower-shell waterproof structure engages with the second upper-shell waterproof structure.

5. A baking tray device with good waterproof performance according to claim 1, characterized in that, An installation opening communicating with the installation cavity is provided at the upper shell. The baking pan assembly includes a baking pan main body and a baking pan connecting portion. A baking pan groove for placing food materials is provided on the upper side of the baking pan main body. The baking pan connecting portion is wound around the outer side of the baking pan main body. The baking pan connecting portion is disposed outside the installation opening, and the lower side of the baking pan main body extends into the installation cavity through the installation opening.

6. The baking tray device with good waterproof performance according to claim 5, wherein The baking pan connecting portion is provided with a baking pan waterproof structure. A third upper-shell waterproof structure is further provided on the upper side of the upper shell. The third upper-shell waterproof structure is wound around the installation opening, and the third upper-shell waterproof structure is sleeved with the baking pan waterproof structure.

7. A baking tray device with good waterproof performance according to claim 1, characterized in that, An upper-shell heat-insulating wall surrounding the installation opening is provided on the lower side of the upper shell corresponding to the installation opening. A lower-shell heat-insulating wall is provided on the upper side of the lower shell corresponding to the installation opening. The upper-shell heat-insulating wall abuts against the lower-shell heat-insulating wall. The upper-shell heat-insulating wall and the lower-shell heat-insulating wall surround the lower side of the baking pan main body extending into the installation cavity, and an avoidance opening is provided at the upper-shell heat-insulating wall and / or the lower-shell heat-insulating wall. The circuit module is electrically connected to the baking pan main body through the avoidance opening.

8. A baking tray device with good waterproof performance according to claim 7, characterized in that, The lower-shell heat-insulating wall is provided with a lower heat-insulating structure, and the upper-shell heat-insulating wall is provided with an upper heat-insulating structure. The lower heat-insulating structure engages with the upper heat-insulating structure.

9. The baking tray device with good waterproof performance according to claim 1, characterized in that, The baking pan main body is made of metal, and a heating structure is provided on the lower side of the baking pan main body. The heating structure is electrically connected to the circuit module.

10. A baking tray device with good waterproof performance according to any one of claims 1-9, characterized in that, The upper shell or the lower shell is provided with heat dissipation holes, and a breathable and waterproof film is provided at the heat dissipation holes.

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