Convection type oven

Abstract

The utility model relates to a convection type oven which comprises an oven body, a cooking cavity arranged in the oven body, an oven door for closing or opening the cooking cavity, a side plate, a top plate, a bottom plate and a communication mechanism arranged outside the cooking cavity, the side plate, the top plate and the bottom plate are used for forming the cooking cavity, and a supporting part used for supporting a net rack is arranged on the cooking cavity. The communication mechanism comprises a channel, an air inlet and an air outlet, the air inlet and the air outlet are formed in the upper end and the lower end of the channel, the air inlet is located above the supporting part, the channel is communicated with the upper portion of the cooking cavity, the air outlet is located below the supporting part, and the channel is communicated with the lower portion of the cooking cavity so that air in the cooking cavity can flow. The utility model provides a convection type oven which is favorable for cooking food at the lower part of a cooking cavity, so that the food is heated more uniformly, the heating efficiency is improved, and the energy is saved.

Description

Technical Field

[0001] The utility model relates to the field of ovens, in particular to a convection oven. Background Art

[0002] The internal air of the current oven does not circulate, and the air rises when heated and gathers at the top of the cooking cavity, resulting in a large temperature difference inside the cooking cavity. Especially when only the upper heating tube is working, the temperature difference between the upper and lower parts of the cooking cavity is large, which affects the cooking of food. Utility Model Content

[0003] In order to solve the above problems, the present technical solution provides a convection oven.

[0004] To achieve the above purpose, the technical solution is as follows:

[0005] A convection oven comprises an oven body, a cooking cavity arranged in the oven body, an oven door for closing or opening the cooking cavity, a side plate, a top plate and a bottom plate for forming the cooking cavity, and a connecting mechanism arranged outside the cooking cavity, wherein the cooking cavity is provided with a supporting portion for supporting a grid, the connecting mechanism comprises a channel, an air inlet and an air outlet arranged at upper and lower ends of the channel, the air inlet is located above the supporting portion, and the channel is connected to the upper portion of the cooking cavity, the air outlet is located below the supporting portion, and the channel is connected to the lower portion of the cooking cavity, so as to allow air in the cooking cavity to flow.

[0006] In the convection oven as described above, the plurality of support parts are arranged vertically, the air inlet is located above the highest support part, and the air outlet is located below the lowest support part.

[0007] In the convection oven as described above, the top plate includes a main body portion forming the top of the cooking cavity, a bent portion connected to the main body portion and bent toward the side plate, and a connecting portion connected to the bent portion and extending into the cooking cavity.

[0008] In the convection oven as described above, the top plate further comprises a guide portion connected to the connecting portion and extending and bending toward the top of the cooking cavity.

[0009] In the convection oven as described above, the air outlet is arranged on the side plate, and the extending height of the guide portion is higher than the air outlet.

[0010] In the convection oven as described above, the side plate and the top plate are spaced apart to form the air inlet.

[0011] In the convection oven as described above, the side panel includes a top support portion whose top is bent toward the bending portion and extends to abut against the bending portion, and the air inlet is located on the top support portion.

[0012] In the convection oven as described above, the side plate and the bent portion are spaced apart to form the channel therebetween.

[0013] In the convection oven as described above, a diverter portion protruding toward the inside of the cooking cavity is provided at the center of the main body, and the diverter portion makes the two sides of the main body higher than the diverter portion.

[0014] A convection oven as described above further includes an exhaust fan, which is arranged in the channel to absorb air from the air inlet and discharge it from the air outlet; or the exhaust fan is arranged on the outer side of the lower part of the bending part to dissipate heat at the lower position of the bending part.

[0015] The beneficial effects of this application are:

[0016] The utility model provides a convection oven. When working, the air in the cooking cavity rises due to the heat, thereby forming an ascending airflow from the bottom to the top. There is a temperature difference between the cooking cavity and the channel. With the effect of the ascending airflow, an air pressure difference is formed between the cooking cavity and the channel. The gas enters the cooking cavity from the channel through the air outlet. At this time, an air pressure difference is formed between the upper and lower parts of the channel, and the hot air at the top is sucked in through the air inlet, thereby forming a circulation, which is beneficial to cooking the food in the lower part of the cooking cavity, making the heating more uniform, while increasing the heating efficiency and saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a half-section diagram of the utility model;

[0020] Figure 3 yes Figure 2 A magnified image of point A;

[0021] Figure 4 yes Figure 2 Enlarged view of point B. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] A convection oven comprises an oven body 1, a cooking cavity 2 arranged in the oven body 1, an oven door 3 for closing or opening the cooking cavity 2, a side panel 4, a top panel 5 and a bottom panel 6 for forming the cooking cavity 2, and a connecting mechanism 7 arranged outside the cooking cavity 2, wherein the cooking cavity 2 is provided with a supporting portion 21 for supporting a grid, the connecting mechanism 7 comprises a channel 71, an air inlet 72 and an air outlet 73 arranged at upper and lower ends of the channel 71, the air inlet 72 is located above the supporting portion 21, and the channel 71 is connected to the upper portion of the cooking cavity 2, the air outlet 73 is located below the supporting portion 21, and the channel 71 is connected to the lower portion of the cooking cavity 2 for air flow in the cooking cavity 2.

[0024] The utility model provides a convection oven. When working, the air in the cooking cavity rises due to the heat, thereby forming an ascending airflow from the bottom to the top. There is a temperature difference between the cooking cavity and the channel. With the effect of the ascending airflow, an air pressure difference is formed between the cooking cavity and the channel. The gas enters the cooking cavity from the channel through the air outlet. At this time, an air pressure difference is formed between the upper and lower parts of the channel, and the hot air at the top is sucked in through the air inlet, thereby forming a circulation, which is beneficial to cooking the food in the lower part of the cooking cavity, making the heating more uniform, while increasing the heating efficiency and saving energy.

[0025] Further, as a preferred embodiment of the present invention but not limiting, the plurality of support portions 21 are arranged vertically, the air inlet 72 is located above the highest support portion 21, and the air outlet 73 is located below the lowest support portion 21. Food is usually placed on the grid, and the air discharged from the air outlet can pass through the grid, thereby heating the bottom of the food.

[0026] Further, as a preferred embodiment of the present solution but not limiting, the top plate 5 includes a main body 51 forming the top of the cooking cavity 2, a bent portion 52 connected to the main body 51 and bent toward the side plate 4, and a connecting portion 53 connected to the bent portion 52 and extending into the cooking cavity 2. The top is formed by integral stamping, and the bent portion also serves as one side of the channel. Not only can the heat of the side plate be used to heat the air in the channel, but the bent portion can also block the heat to prevent heat loss.

[0027] Further, as a preferred embodiment of the present solution but not a limitation, the top plate 5 further includes a guide portion 54 connected to the connection portion 53 and extending and bending toward the top of the cooking cavity 2, for guiding the air discharged through the air outlet to go upward.

[0028] Further, as a preferred implementation of this solution but not limiting, the air outlet 73 is provided on the side plate 4, and the extension height of the guide portion 54 is higher than the air outlet 73. The air at the bottom of the cooking cavity is restricted from entering the channel.

[0029] Further, as a preferred implementation of this solution but not limiting, the side plate 4 and the top plate 5 are spaced apart to form the air inlet 72. This solution does not require additional drilling, and there is no need for welding between the side plate and the top plate.

[0030] Furthermore, as a preferred implementation of the present solution but not a limitation, the side panel 4 includes a top support portion 441 that is bent toward the bending portion 52 and extends to abut against the bending portion 52 , and the air inlet 72 is located on the top support portion 441 .

[0031] Further, as a preferred implementation of the present solution but not limiting, the side plate 4 and the bent portion 52 are spaced apart to form the channel 71 therebetween. The structure is simple and the cost is reduced.

[0032] Further, as a preferred embodiment of the present invention but not limiting, a diverter 55 protruding toward the inside of the cooking cavity 2 is provided at the center of the main body 51, and the diverter 55 makes both sides of the main body 51 higher than the diverter 55. After the air rises, it will be diverted to both sides under the action of the diverter, and then enter the air inlet.

[0033] Furthermore, as a preferred embodiment of the present invention but not limiting, an exhaust fan 8 is further included, and the exhaust fan 8 is arranged in the channel 71 to absorb air from the air inlet 72 and discharge air from the air outlet 73; or the exhaust fan 8 is arranged outside the lower part of the bending part 52 to dissipate heat at the lower part of the bending part 52. The exhaust fan is used to speed up the air flow and will not directly act on the food to prevent the surface of the food from being dried by air.

[0034] The above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application. Other principles and basic structures that are the same or similar to those of the present application are within the protection scope of the present application.

Claims

1. A convection oven, characterized in that: The invention comprises an oven body (1), a cooking cavity (2) arranged in the oven body (1), an oven door (3) for closing or opening the cooking cavity (2), a side plate (4), a top plate (5) and a bottom plate (6) for forming the cooking cavity (2), and a connecting mechanism (7) arranged outside the cooking cavity (2); the cooking cavity (2) is provided with a supporting portion (21) for supporting a grid; the connecting mechanism (7) comprises a channel (71), an air inlet (72) and an air outlet (73) arranged at upper and lower ends of the channel (71); the air inlet (72) is located above the supporting portion (21), and the channel (71) is connected to the upper part of the cooking cavity (2); the air outlet (73) is located below the supporting portion (21), and the channel (71) is connected to the lower part of the cooking cavity (2) so as to allow air in the cooking cavity (2) to flow.

2. A convection oven according to claim 1, characterized in that: The plurality of support portions (21) are arranged vertically, the air inlet (72) is located above the highest support portion (21), and the air outlet (73) is located below the lowest support portion (21).

3. A convection oven according to claim 1, characterized in that: The top plate (5) comprises a main body portion (51) forming the top of the cooking cavity (2), a bent portion (52) connected to the main body portion (51) and bent toward the side plate (4), and a connecting portion (53) connected to the bent portion (52) and extending into the cooking cavity (2).

4. A convection oven according to claim 3, characterized in that: The top plate (5) also includes a guide portion (54) connected to the connection portion (53) and extending and bending toward the top of the cooking cavity (2).

5. A convection oven according to claim 4, characterized in that: The air outlet (73) is arranged on the side plate (4), and the extension height of the guide portion (54) is higher than the air outlet (73).

6. A convection oven according to claim 3, characterized in that: The side plate (4) and the top plate (5) are spaced apart to form the air inlet (72).

7. A convection oven according to claim 3, characterized in that: The side plate (4) comprises a top support portion (441) whose top is bent towards the bending portion (52) and extends to abut against the bending portion (52), and the air inlet (72) is located on the top support portion (441).

8. The convection oven according to claim 3, characterized in that: The side plate (4) and the bent portion (52) are arranged at an interval to form the channel (71) therebetween.

9. The convection oven according to claim 3, characterized in that: A flow divider (55) protruding toward the interior of the cooking cavity (2) is provided at the center of the main body (51), and the flow divider (55) makes the two sides of the main body (51) higher than the flow divider (55).

10. The convection oven according to claim 3, characterized in that: It also includes an exhaust fan (8), wherein the exhaust fan (8) is arranged in the channel (71) to draw air from the air inlet (72) and discharge air from the air outlet (73); or the exhaust fan (8) is arranged on the outer side of the lower part of the bending part (52) to dissipate heat at the lower part of the bending part (52).

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