Rotary turntable type grill
By using the air intake channel and multi-layer heat insulation plate design of the rotary grill, the problem of overheating in non-working areas caused by high temperature of electric heating element is solved, extending the life of the equipment and improving the grilling effect, thus achieving more efficient food grilling.
Patent Information
- Application Number
- CN202521449843.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-11
- Publication Date
- 2026-07-24
- Estimated Expiration
- 2035-07-11
AI Technical Summary
The heating element of existing grills has a high temperature, which causes the non-working area to be too hot. This affects the aging of the shell and internal electronic components, reduces electrical performance, and results in poor system stability. It also leads to long baking time or poor baking quality.
It adopts a rotating turntable structure, combined with an air intake channel and a multi-layer heat insulation plate design. The fan cools down the food and isolates the heat, preventing heat from being transferred to non-working areas, thus improving the lifespan of electronic components and enhancing the temperature uniformity of the baking pan.
It effectively reduces the temperature in non-working areas, extends the equipment's lifespan, improves safety and baking results, and achieves food quality that is crispy on the outside and tender on the inside.
Smart Images

Figure CN224540015U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of food baking equipment, and in particular to a rotary grill. Background Technology
[0002] A griddle is a kitchen appliance that uses electrical energy to bake food by converting it into heat. It includes a casing with a control board that operates the appliance. A baking cavity is located in the center of the casing, containing a baking pan with heating elements on its top and bottom sides. During baking, the pizza dough is placed in the baking pan, and the heating elements are activated to heat the pan and bake the pizza. However, existing griddles typically...
[0003] 1. Because the electric heating element generates a high temperature during baking, and this high temperature is easily transferred to the non-working area of the equipment, the temperature of the non-working area becomes too high, which has an adverse effect on the casing and its internal parts, especially the computer board. If the temperature is too high, it can easily cause many problems such as accelerated aging of electronic components, deterioration of electrical performance, and deterioration of system stability, which will greatly affect the service life of the equipment.
[0004] 2. Since the electric heating element of existing grills is usually in direct contact with the shell, the temperature generated by the electric heating element may be insufficient due to the heat transfer through the shell, resulting in longer baking time or affecting the baking quality of the food. Utility Model Content
[0005] To address the shortcomings of the existing technology, this invention proposes a rotary grill that can cool electronic components and non-working areas, thereby extending the lifespan of the device.
[0006] The technical solution of this utility model is implemented as follows: A turntable-type grill includes: a housing, in which a computer board is fixedly installed, and a baking cavity is formed in the middle of the housing, with an upper heating tube and a lower heating tube respectively installed on the top and bottom surfaces of the baking cavity; a baking tray, which is detachably installed in the baking cavity and suspended in the air, the baking tray being located between the upper heating tube and the lower heating tube, and a baking end for placing food is formed at the upper end of the baking tray; and a rotating mechanism installed in the housing, the output end of the rotating mechanism extending into the baking cavity and used to drive the baking tray to rotate around its central axis.
[0007] In one embodiment, the turntable grill further includes an air inlet channel disposed within the housing, the computer board being located within the air inlet channel, and an air guide assembly for guiding external air into the non-working area of the baking cavity being installed within the air inlet channel.
[0008] In one embodiment, the air guiding assembly includes: a first heat insulation plate, fixedly installed on the housing and located at the top of the baking cavity, the first heat insulation plate being provided with an air inlet groove; a second heat insulation plate, fixedly installed on the housing and located below the first heat insulation plate, an air guiding channel being formed between the second heat insulation plate and the first heat insulation plate, and side air outlets being provided on both sides of the air guiding channel to discharge air away from the central axis of the housing; and a fan, installed in the air inlet channel, the air outlet of the fan extending into the air inlet groove and fitting against the inner wall of the air inlet groove.
[0009] In one embodiment, the shortest distance between the two side air vents is greater than or equal to the inner diameter of the baking pan, and the maximum distance between the two side air vents is greater than or equal to the outer diameter of the baking pan.
[0010] In one embodiment, a baffle plate is fixedly installed on the second heat insulation plate directly below the air inlet slot, and the edge of the baffle plate is bent upward to form a guide edge.
[0011] In one embodiment, a third heat insulation plate is fixedly installed on the bottom surface of the baking cavity below the lower heating tube, and an annular heat insulation plate is fixedly installed around the lower heating tube.
[0012] In one embodiment, a limiting seat is fixedly installed inside the housing, the upper end of the limiting seat passes through the baking cavity and is fixedly connected to a limiting ring, and a limiting post for insertion into the limiting ring to achieve detachable installation is fixedly connected to the lower surface of the baking tray.
[0013] In one embodiment, the bottom surface of the limiting post is provided with a square positioning groove, and the rotating mechanism includes: a motor, which is fixedly installed in the housing; a heat insulation frame, which is installed in the limiting seat and rotates with the limiting seat, wherein the center of the heat insulation frame protrudes upward to form a positioning protrusion for inserting into the positioning groove to achieve synchronous rotation of the heat insulation frame and the baking tray, and the lower surface of the heat insulation frame is provided with at least two annular protrusions; and a positioning frame, which is installed on the output end of the motor, and a protruding post for inserting into the annular protrusion is fixedly connected to the positioning frame.
[0014] In one embodiment, the positioning frame has a slot at its center for inserting the motor output end, and notches are symmetrically arranged on both sides of the slot. The output end of the motor has a through hole on its side, and a pin is inserted into the through hole. The two ends of the pin extend into the two notches respectively.
[0015] In one embodiment, both the positioning groove and the positioning protrusion are frustum-shaped, with the top being smaller than the bottom.
[0016] The beneficial effects of this utility model are:
[0017] 1. Air is drawn in from the bottom of the casing, passes through the air intake channel, and is blown out under the guidance of the air guide assembly. Because the air intake passes over the surface of the circuit board, it can reduce the internal temperature of the circuit board, thereby improving its service life. Furthermore, since the blown air enters the non-working area of the baking cavity, it can prevent the heat radiation from the upper heating element from radiating to the upper part of the casing, avoiding adverse effects on the casing and circuit board due to excessive temperature, thus improving safety and service life.
[0018] 2. By setting up a first heat insulation plate, a second heat insulation plate, a third heat insulation plate, and an annular heat insulation plate, double heat insulation plates are set up on both the top and bottom of the baking cavity to isolate heat. This separates the upper heating tube from direct contact with the shell, avoiding adverse effects on the electronic components inside the shell. At the same time, it allows more heat to be concentrated on the baking tray, so the baking tray can reach a higher temperature than ordinary products, which is conducive to making food that is crispy on the outside and tender on the inside. Attached Figure Description
[0019] Figure 1 This is a perspective view of the present utility model;
[0020] Figure 2 This is a cross-sectional view of the present invention;
[0021] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle.
[0022] In the figure, the components are: shell 1, baking cavity 11, computer board 12, air inlet channel 13, first heat insulation plate 21, second heat insulation plate 22, air guide channel 23, side air outlet 231, fan 24, wind baffle 25, upper heating tube 31, lower heating tube 32, baking tray 4, limiting post 41, positioning groove 411, third heat insulation plate 51, annular heat insulation plate 52, limiting seat 6, limiting ring 61, rotating mechanism 7, motor 71, through hole 711, heat insulation frame 72, positioning protrusion 721, annular protrusion 722, positioning frame 73, and protruding post 731. Detailed Implementation
[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0024] like Figure 1 and Figure 2As shown, a turntable-type grill includes: a housing 1, in which a computer board 12 is fixedly installed, and a baking cavity 11 is formed in the middle of the housing 1. An upper heating tube 31 and a lower heating tube 32 are respectively installed on the top and bottom surfaces of the baking cavity 11; a baking tray 4 is detachably installed in the baking cavity 11 and is suspended in the air. The baking tray 4 is located between the upper heating tube 31 and the lower heating tube 32, and a baking end for placing food is formed at the upper end of the baking tray 4; and a rotating mechanism 7 is installed in the housing 1. The output end of the rotating mechanism 7 extends into the baking cavity 11 and is used to drive the baking tray 4 to rotate around its central axis.
[0025] Preferably, the turntable grill further includes an air inlet channel 13 disposed within the housing 1, the computer board 12 is located within the air inlet channel 13, and an air guide assembly for introducing external air into the non-working area of the baking cavity 11 is installed within the air inlet channel 13.
[0026] It is understandable that the direction indicated by the arrow represents the direction of air movement. Air is drawn in from the bottom of the housing 1, passes through the air intake channel 13, and is blown out under the guidance of the air guide assembly. Since the incoming air passes over the surface of the computer board 12, it can lower the internal temperature of the computer board 12, thus extending its lifespan. Furthermore, because the blown air enters the non-working area of the baking cavity 11, it can prevent the heat radiation from the upper heating element 31 from radiating to the upper part of the housing 1, avoiding adverse effects from excessively high temperatures on the housing 1 and the computer board 12, thereby improving safety and lifespan.
[0027] Preferred, such as Figure 2 As shown, the air guiding assembly includes: a first heat insulation plate 21, which is fixedly installed on the housing 1 and located at the top of the baking cavity 11, and an air inlet groove is provided on the first heat insulation plate 21; a second heat insulation plate 22, which is fixedly installed on the housing 1 and located below the first heat insulation plate 21, and an air guiding channel 23 is formed between the second heat insulation plate 22 and the first heat insulation plate 21, and side air outlets 231 are provided on both sides of the air guiding channel 23 to discharge air away from the central axis of the housing 1; and a fan 24, which is installed in the air inlet channel 23, and the air outlet of the fan 24 extends into the air inlet groove and is in contact with the inner wall of the air inlet groove.
[0028] Understandably, the first heat insulation plate 21 and the second heat insulation plate 22 can separate the direct contact between the upper heating tube 31 and the housing 1, avoiding adverse effects on the electronic components inside the housing 1. At the same time, they can transfer more heat to the baking pan 4, so that the baking pan 4 of the device can reach a higher temperature than ordinary products, so as to make food that is crispy on the outside and tender on the inside.
[0029] Preferred, such as Figure 2As shown, the shortest distance between the two side air outlets 231 is greater than or equal to the inner diameter of the baking pan 4, and the maximum distance between the two side air outlets 231 is greater than or equal to the outer diameter of the baking pan 4, so as to ensure that the air coming out of the side air outlets 231 can blow onto the non-working area of the housing 1.
[0030] Preferred, such as Figure 2 As shown, the second heat insulation plate 22 is fixedly installed with a baffle plate 25 directly below the air inlet slot, and the edge of the baffle plate 25 is bent upward to form a guide edge.
[0031] Understandably, when the air blown in by the fan 24 passes through the baffle 25, it causes the air to move around along the guide edge and then move downwards more evenly, so as to isolate the heat radiation of the upper heating tube 31 from the upper part of the housing 1, avoid adverse effects on the housing 1 and the computer board 12 due to excessive temperature, and improve safety and service life.
[0032] Preferred, such as Figure 2 As shown, a third heat insulation plate 51 is fixedly installed on the bottom surface of the baking cavity 11 below the lower heating tube 32, and an annular heat insulation plate 52 is fixedly installed around the lower heating tube 32.
[0033] It is worth mentioning that there are two symmetrically arranged lower heating tubes 32, so there are also two symmetrically arranged annular heat insulation plates 52. Combined with the function of the third heat insulation plate 51, it can not only isolate the direct contact between the lower heating tubes 32 and the shell 1, avoiding adverse effects on the electronic components inside the shell 1, but also enable more heat to be transferred to the baking pan 4, so that the baking pan 4 of this device can reach a higher temperature than ordinary products, so as to make food that is crispy on the outside and tender on the inside.
[0034] Preferred, such as Figure 2 and Figure 3 As shown, a limiting seat 6 is fixedly installed inside the housing 1. The upper end of the limiting seat 6 passes through the baking cavity 11 and is fixedly connected to a limiting ring 61. A limiting post 41 for inserting into the limiting ring 61 to achieve detachable installation is fixedly connected to the lower surface of the baking tray 4.
[0035] It is understandable that after the limiting post 41 is inserted into the limiting ring 61, the limiting post 41 can rotate with the limiting ring 61, so as to facilitate the rotation of the baking pan 4 under the drive of the motor 71.
[0036] Preferred, such as Figure 2 and Figure 3As shown, the bottom surface of the limiting post 41 is provided with a square positioning groove 411. The rotating mechanism 7 includes: a motor 71, which is fixedly installed in the housing 1; a heat insulation frame 72, which is installed in the limiting seat 6 and rotates with the limiting seat 6, the center of the heat insulation frame 72 protrudes upward to form a positioning protrusion 721 for inserting into the positioning groove 411 to realize the synchronous rotation of the heat insulation frame 72 and the baking tray 4, and the lower surface of the heat insulation frame 72 is provided with at least two annular protrusions 722; and a positioning frame, which is installed on the output end of the motor 71, and the positioning frame 73 is fixedly connected with a protruding post 731 for inserting into the annular protrusion 722.
[0037] It is understood that both the positioning groove 411 and the positioning protrusion 721 are in the shape of a frustum with a smaller top and a larger bottom, preferably a hexagonal frustum, so that the limiting post 41 and the positioning protrusion 721 can be attached to each other and form multiple contact planes. Therefore, the limiting post 41 is inserted into the limiting ring 61 and engaged with the positioning groove 411, ensuring that the baking tray 4 and the output end of the motor 71 can move synchronously. In addition, the upper edge of the positioning protrusion 721 is rounded so that the limiting post 41 can be quickly engaged with the positioning protrusion 721.
[0038] Understandably, since the heat insulation frame 72 is located directly below the limiting post 41, it can block the heat transmitted by the limiting post 41, avoid excessive heat from adversely affecting the motor 71, and improve the service life of the motor 71.
[0039] It is worth mentioning that there are two annular protrusions 722 that are symmetrically distributed, and there are also two symmetrically arranged protrusions 731. Therefore, while ensuring the synchronous rotation of the positioning frame 73 and the heat insulation frame 72, the assembly difficulty can be reduced.
[0040] Preferred, such as Figure 3 As shown, the positioning frame 73 has a slot at its center for inserting the output end of the motor 71. The slot has symmetrical notches on both sides. The output end of the motor 71 has a through hole 711 on its side. A pin is inserted into the through hole 711, and the two ends of the pin extend into the two notches respectively.
[0041] Understandably, using the pin and notch to drive the positioning frame 73 to rotate not only enables the output end of the motor 71 to rotate synchronously with the positioning frame 73, but also facilitates the disassembly and assembly of the positioning frame 73, making assembly faster and more convenient.
[0042] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A rotating griddle grill, characterized in that, include: The housing has a computer board fixedly installed inside it, and a baking cavity is formed in the middle of the housing. An upper heating tube and a lower heating tube are respectively installed on the top and bottom surfaces of the baking cavity. A baking tray is detachably installed inside the baking cavity and is suspended in the air. The baking tray is located between the upper heating tube and the lower heating tube, and the upper end of the baking tray has a baking end for placing food. A rotating mechanism is installed inside the housing, and the output end of the rotating mechanism extends into the baking cavity and is used to drive the baking pan to rotate around its central axis.
2. The rotary grill according to claim 1, characterized in that, The rotary grill also includes an air inlet channel, which is located inside the housing. The computer board is located inside the air inlet channel, and an air guide component for guiding external air into the non-working area of the baking cavity is installed inside the air inlet channel.
3. The rotary grill according to claim 2, characterized in that, The air guide assembly includes: The first heat insulation plate is fixedly installed on the shell and located at the top of the baking cavity. An air inlet slot is provided on the first heat insulation plate. The second heat insulation plate is fixedly installed on the shell and located below the first heat insulation plate. An air guide channel is formed between the second heat insulation plate and the first heat insulation plate. Side air outlets are provided on both sides of the air guide channel to discharge air away from the central axis of the shell. A fan is installed inside the air inlet channel, and the air outlet of the fan extends into the air inlet slot and is in contact with the inner wall of the air inlet slot.
4. The rotary grill according to claim 3, characterized in that, The shortest distance between the two side air vents is greater than or equal to the inner diameter of the baking pan, and the maximum distance between the two side air vents is greater than or equal to the outer diameter of the baking pan.
5. The rotary grill according to claim 3, characterized in that, The second heat insulation plate is fixedly installed with a baffle plate directly below the air inlet slot, and the edge of the baffle plate is bent upward to form an air guide edge.
6. The rotary grill according to claim 1, characterized in that, A third heat insulation plate is fixedly installed on the bottom surface of the baking cavity below the lower heating tube, and an annular heat insulation plate is fixedly installed around the lower heating tube.
7. The rotary grill according to claim 1, characterized in that, A limiting seat is fixedly installed inside the housing. The upper end of the limiting seat passes through the baking cavity and is fixedly connected to a limiting ring. A limiting post for inserting into the limiting ring to achieve detachable installation is fixedly connected to the lower surface of the baking tray.
8. The rotary grill according to claim 7, characterized in that, The bottom surface of the limiting post is provided with a square positioning groove, and the rotating mechanism includes: The motor is fixedly installed inside the housing; A heat insulation rack is installed inside the limiting seat and rotates with the limiting seat. The center of the heat insulation rack has an upward protrusion for inserting into the positioning groove to achieve synchronous rotation of the heat insulation rack and the baking tray. The lower surface of the heat insulation rack is provided with at least two annular protrusions. A positioning frame is installed on the output end of the motor, and a protrusion for inserting into the annular protrusion is fixedly connected to the positioning frame.
9. The rotary grill according to claim 8, characterized in that, The positioning frame has a slot at its center for inserting the motor output end. The slot has symmetrical notches on both sides. The motor output end has a through hole on its side. A pin is inserted into the through hole, and the two ends of the pin extend into the two notches respectively.
10. The rotary grill according to claim 8, characterized in that, Both the positioning groove and the positioning protrusion are truncated pyramidal in shape, with the top being smaller than the bottom.