Two-way air outlet up-down heating food oven

Abstract

The utility model provides a two-way air outlet up-down heating food oven, which belongs to the field of oven equipment, and comprises an oven body, a placing frame for placing an object to be baked is fixedly arranged in the oven body, hot baking structures for blowing hot air to the placing frame are arranged above and below the placing frame of the oven body, and the hot baking structures are connected to a high-temperature air source. The hot baking structure heats and bakes the baked object on the placing frame from the lower portion and the upper portion at the same time, the temperature rising speed and the baking speed can be increased, and meanwhile the situation of uneven heating can be avoided; besides, an air curtain groove is formed in the taking and placing opening of the oven body, an air curtain is formed through the air curtain groove, heat loss caused by the fact that a large amount of heat leaks from the taking and placing opening can be prevented, and the aim of reducing the risk of scalding when the heat insulation door is opened in the baking process can be achieved.

Description

Technical Field

[0001] The utility model belongs to the field of oven equipment, in particular to a two-way air outlet oven for heating food up and down. Background Art

[0002] The oven that uses dry hot air for heating uses the power of the built-in fan to drive the hot air to blow towards the baking object in the oven, and uses the heat of the hot air to heat and bake the baking object. Whether it is baking bread or baking meat, it can be easily controlled. However, the hot air outlet position of the existing hot air oven is not designed reasonably, resulting in low temperatures in some areas, while other areas may be overheated, resulting in slow heating speed and uneven heating. This will not only affect the cooking quality of the food and greatly reduce the taste of the food, but may also prolong the cooking time and reduce cooking efficiency. Utility Model Content

[0003] Based on the above problems in the prior art, the utility model provides a top and bottom heating food oven with two-way air outlet, comprising a box body, in which a placement rack for placing baked objects is fixedly installed, and the box body is provided with a hot baking structure above and below the placement rack for blowing hot air to the placement rack, and the hot baking structure is connected to a high-temperature air source.

[0004] Among them, the hot baking structure is a trough box covered and matched with the shape of the placement rack, and a plurality of air holes are provided on the side of the trough box facing the placement rack. The trough boxes above and below the placement rack are connected to the same adapter trough, which is connected to the fan cover, which is connected to the high-temperature air source, and a fan motor is provided on one side of the fan cover, and the power output end of the fan motor extends into the fan cover and is fixedly installed with an impeller.

[0005] Among them, a thermal insulation layer is fixedly installed on the inner side of the box body, and a support frame is fixedly installed on the inner side of the thermal insulation layer of the box body. The support frame has a hierarchical structure arranged from top to bottom, and each layer is provided with a placement rack and a group of heating components including two trough boxes, a transfer trough, a fan cover, a fan motor and an impeller. All fan covers are connected to the same high-temperature air source.

[0006] Among them, the front end of the box body is provided with a take-and-place opening for taking and placing the baking objects, and an insulating door is installed at the take-and-place opening. The transfer slot, fan cover, fan motor and impeller are all installed behind the support frame, and the rear end of the support frame is provided with an insulating baffle that separates the fan cover, fan motor and impeller from the placement rack and the slot box; the box body is provided with thermal insulation layers on the right side, left side and top of the support frame.

[0007] Among them, the box body is provided with an air curtain groove spanning the entire access port above the access port, and the air curtain groove is connected to the air source through an air duct arranged in the box body, and normal temperature air or low temperature air is supplied through the air source to form an air curtain at the access port.

[0008] Among them, the thermal insulation door includes a door frame, an outer door panel and an inner door panel. The door frame is installed on the box body through a hinge. A sealing strip is arranged on the peripheral side of the door frame facing the box body. The outer door panel and the inner door panel are fixedly installed on the door frame, and the outer door panel is located on the outer side of the inner door panel. A vacuum insulation layer is arranged between the outer door panel and the inner door panel.

[0009] The utility model has the beneficial effects:

[0010] 1. A heat baking structure is provided below and above the placement rack. The heat baking structure heats and bakes the baking object on the placement rack from below and above at the same time, which can increase the heating speed and baking speed and avoid uneven heating.

[0011] 2. An air curtain groove is provided at the access opening, and an air curtain is formed by the air curtain groove, which can prevent a large amount of heat leakage from the access opening and cause heat loss. In addition, it can also achieve the purpose of reducing the risk of scalding when opening the heat-insulating door during the baking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural diagram of an upper and lower heating food oven with two-way air outlet.

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of a two-way air outlet upper and lower heating food oven from another angle, hiding the structure of one side of the cabinet.

[0014] Figure 3 The invention is a schematic structural diagram of the front and rear vertical sections of a two-way air outlet upper and lower heating food oven.

[0015] Figure 4 yes Figure 3 Enlarged view of point A.

[0016] Figure 5 It is a schematic diagram of the coordination between the support frame and the heating component.

[0017] Figure 6 It is a three-dimensional structural schematic diagram of the support frame.

[0018] Figure 7 It is a schematic diagram of the three-dimensional structure of the heating component.

[0019] Figure 8 It is a schematic diagram of the exploded structure of the heating component.

[0020] Fig. 9It is a schematic diagram of the cross-sectional structure of the trough box and the transfer trough.

[0021] Fig.10 It is a three-dimensional structural diagram of a food oven, with the insulated door hidden.

[0022] Fig.11 yes Fig.10 Enlarged view of point B. DETAILED DESCRIPTION

[0023] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] As attached Figure 1-11 The above-mentioned two-way air outlet upper and lower heating food oven comprises a box body 1, a take-out opening for taking out and putting in the baking object is arranged at the front end of the box body 1, an insulating door 2 is installed at the take-out opening, and the insulating door 2 comprises a door frame 3, an outer door panel 4 and an inner door panel 5, the door frame 3 is installed on the box body 1 through a hinge, a sealing strip 6 is arranged on the peripheral side of a side of the door frame 3 close to the box body 1, the outer door panel 4 and the inner door panel 5 are fixedly installed on the door frame 3, and the outer door panel 4 is located on the outer side of the inner door panel 5, and the outer door panel 4 is located on the outer side of the inner door panel 5. 4 and the inner door panel 5 are provided with a vacuum insulation layer 7; the right side, left side and upper side of the inner cavity of the box body 1 are provided with a heat preservation and heat insulation layer 8, and the box body 1 is fixedly installed with a support frame 9 on the inner side of the heat preservation and heat insulation layer 8, and the support frame 9 has a hierarchical structure arranged from top to bottom, with a total of four layers, and each layer is provided with a placement rack 10 for placing the roasted object, and a group of heating components 15 including two slot boxes 11, a transfer slot 12, a fan cover 13, a fan motor 14 and an impeller. The inner cavity of the box body 1 is a rectangular parallelepiped structure, and the placement rack 10 is a rectangular rack matching the inner cavity of the box body 1. The slot box 11 as a hot roasting structure is also a rectangular shape matching the rectangular shape of the placement rack 10, so that the slot box 11 can cover the placement rack 10.

[0025] The transfer slot 12, fan cover 13, fan motor 14 and impeller are all installed at the rear of the support frame 9. The rear end of the support frame 9 is provided with a heat insulation baffle 16 that separates the fan cover 13, fan motor 14 and impeller from the placement rack 10 and the slot box 11 to prevent hot air from directly blowing toward the fan motor 14 and affecting the fan motor 14. The two slot boxes 11 in each layer of the support frame 9 are respectively fixedly installed to the upper and lower parts of the corresponding layer, and the placement rack 10 is fixedly installed to the upper surface of the slot box 11 located at the lower part. The two slot boxes 11 are provided with a plurality of air holes 17 on the side facing the placement rack 10, and hot air is blown toward the placement rack 10 through the air holes 17. The placement rack 10 is a hollow design to avoid blocking the hot air from blowing toward the baking object. The slot boxes 11 above and below the placement rack 10 are connected to the same adapter slot 12, the adapter slot 12 is connected to the fan cover 13, the fan cover 13 is connected to the high-temperature air source through the hot air inlet 19, a fan motor 14 is provided on one side of the fan cover 13, the power output end of the fan motor 14 extends into the fan cover 13 and is fixedly installed with an impeller, the fan covers 13 of the four layers on the support frame 9 are all connected to the same high-temperature air source, and the high-temperature air source can adopt the electric heating structure of a conventional oven or the fuel combustion heating structure.

[0026] As a preferred embodiment, the box body 1 is provided with an air curtain groove 18 spanning the entire access port above the access port. The air curtain groove 18 is connected to an air source through an air duct provided in the box body 1. Normal temperature air or low temperature air is supplied through the air source to form an air curtain at the access port. The air curtain is used to prevent high temperature air from escaping to the outside, thereby reducing heat loss and the risk of burns when opening the insulation door 2.

[0027] When the food oven provided in the present embodiment is in use, the heat-insulating door 2 is first opened, and the object to be baked is placed on the placement rack 10 through the access opening, and then the heat-insulating door 2 is closed, the high-temperature air source is started to form high-temperature dry air, and then the high-temperature dry air is driven into the two slot boxes 11 through the adapter slot 12 by the cooperation of the fan motor 14, the impeller and the fan cover 13, and then the upper and lower slot boxes 11 blow hot air to the object to be baked from the top and the bottom at the same time, so that the baking space has a faster heating speed and the temperature is more uniform, thereby improving the baking effect and efficiency.

[0028] The above-mentioned embodiment only expresses one implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A two-way air outlet upper and lower heating food oven, comprising a box (1), wherein a placement rack (10) for placing a roasting object is fixedly installed in the box (1), characterized in that: The box body (1) is provided with a heat baking structure above and below the placement rack (10) for blowing hot air toward the placement rack (10), and the heat baking structure is connected to a high-temperature air source.

2. The two-way air outlet upper and lower heating food oven according to claim 1, characterized in that: The hot roasting structure is a slot box (11) that matches the shape of the placement rack (10), and a plurality of air holes (17) are arranged on a side of the slot box (11) that faces the placement rack (10). The slot boxes (11) above and below the placement rack (10) are connected to the same adapter slot (12), the adapter slot (12) is further connected to a fan cover (13), and the fan cover (13) is further connected to a high-temperature air source. A fan motor (14) is arranged on one side of the fan cover (13), and a power output end of the fan motor (14) extends into the fan cover (13) and is fixedly mounted with an impeller.

3. The two-way air outlet upper and lower heating food oven according to claim 2, characterized in that: A heat preservation and insulation layer (8) is fixedly installed on the inner side of the box body (1), and a support frame (9) is fixedly installed on the inner side of the heat preservation and insulation layer (8) of the box body (1). The support frame (9) has a hierarchical structure arranged from top to bottom, and each layer is provided with a placement frame (10) and a group of heating components (15) including two trough boxes (11), a transfer trough (12), a fan cover (13), a fan motor (14) and an impeller, and all the fan covers (13) are connected to the same high-temperature air source.

4. The two-way air outlet upper and lower heating food oven according to claim 3, characterized in that: The front end of the box body (1) is provided with a take-in and place-out opening for taking in and placing roasted objects, and a heat-insulating door (2) is installed at the take-in and place-out opening; the adapter slot (12), the fan cover (13), the fan motor (14) and the impeller are all installed behind the support frame (9); the rear end of the support frame (9) is provided with a heat-insulating baffle (16) for separating the fan cover (13), the fan motor (14) and the impeller from the placement frame (10) and the slot box (11); the box body (1) is provided with a heat-insulating layer (8) on the right side, the left side and the top of the support frame (9).

5. The two-way air outlet upper and lower heating food oven according to claim 4, characterized in that: The box body (1) is provided with an air curtain groove (18) spanning the entire access opening above the access opening. The air curtain groove (18) is connected to an air source via an air passage provided in the box body (1), and normal temperature air or low temperature air is supplied through the air source to form an air curtain at the access opening.

6. The two-way air outlet upper and lower heating food oven according to claim 5, characterized in that: The heat-insulating door (2) comprises a door frame (3), an outer door panel (4) and an inner door panel (5); the door frame (3) is mounted on the box body (1) via a hinge; a sealing strip (6) is provided on the peripheral side of a side of the door frame (3) facing the box body (1); the outer door panel (4) and the inner door panel (5) are fixedly mounted on the door frame (3); the outer door panel (4) is located on the outer side of the inner door panel (5); and a vacuum heat-insulating layer (7) is provided between the outer door panel (4) and the inner door panel (5).

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