Novel upper and lower double-back blowing air fryer
By incorporating upper and lower heat dissipation and air guiding components and lighting components into the air fryer, the problem of inconvenient observation through the viewing window of existing air fryers has been solved, improving the ease of observation and sealing, and providing a better baking experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-04-14
AI Technical Summary
Existing air fryers with upper and lower cavities lack a lighting structure design that facilitates observation through the frying basket's viewing window, resulting in suboptimal lighting and viewing window design, which affects the convenience of assembly and production as well as sealing.
The air fryer is equipped with upper and lower heat dissipation and air guiding components, including metal centrifugal fan blades, plastic centrifugal fan blades and motor, combined with heating tubes and lighting components. The design of metal air guide cover and silicone sealing ring makes it easy to observe and check the food cooking process and improves the sealing performance.
This allows for easy observation and monitoring of the food cooking process inside the upper and lower cavities, improves the convenience of assembly and production, enhances the sealing of the viewing window structure, and provides a better baking experience.
Smart Images

Figure CN224112529U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to an air fryer, specifically a novel type of air fryer with top and bottom double-back air blowing. Background Technology
[0002] An air fryer is a new type of household appliance that uses high-speed air circulation technology to fry food. Compared to traditional electric fryers, it reduces the amount of oil in the food by 80%, is easy to clean in daily use, and is both safe and economical, making it very popular. To improve the efficiency of air fryers, some double-layered air fryers have fan blades at the rear of both the upper and lower layers, such as application number 202411085930.1 disclosed in Chinese patent literature, application publication date 2024.10.11, invention title "An Air Fryer"; and application number 202411348050.9 disclosed in Chinese patent literature, application publication date 2024.11.15, invention title "A Dual-Cavity Air Fryer". However, the hot air cavities in these products and similar products lack a lighting structure design that facilitates observation of the interior through the viewing window of the frying basket. Furthermore, the poor design of the lighting and viewing window structure leads to inconvenience in the assembly and production of corresponding components, and inadequate wiring connections and sealing. Summary of the Invention
[0003] To overcome the above-mentioned shortcomings, the purpose of this utility model is to provide a novel double-sided air fryer with top and bottom airflow, thereby solving the technical problem that existing similar air fryers lack a lighting structure design that facilitates observation of the interior through the viewing window of the frying basket, and that the poor design of the lighting and viewing window structure leads to inconvenience in the assembly and production of corresponding components. This objective is achieved through the following technical solution.
[0004] A novel double-backed air fryer includes a control panel assembly within its body. Two hot air chambers, each with an opening on one side, house an upper handle assembly with an upper pot body and a lower handle assembly with a lower pot body, respectively. An upper and lower heat dissipation and air guiding assembly are located within the back of the hot air chambers. The upper heat dissipation and air guiding assembly includes an upper metal centrifugal fan, an upper plastic centrifugal fan, and an upper motor. The motor shaft of the upper motor is connected to both the upper metal and plastic centrifugal fan blades. The upper plastic centrifugal fan blades are housed within an upper metal air guide shroud on the back of the upper hot air chamber, and the upper motor is fixedly mounted on the back of the upper metal air guide shroud. The lower heat dissipation and air guiding assembly includes a lower metal centrifugal fan, a lower plastic centrifugal fan blade, and an upper motor. The motor shaft of the lower motor is connected to both the lower metal and lower plastic centrifugal fan blades. The lower plastic centrifugal fan blades are located within an upper metal air guide shroud on the back of the upper hot air chamber. Inside the lower metal air guide shroud on the back of the lower hot air chamber, the lower motor is fixedly installed on the back of the lower metal air guide shroud. The lower metal centrifugal fan blade and the upper metal centrifugal fan blade are respectively provided with equidistantly distributed through holes on the metal lining on the back of the hot air chamber. The upper pot body and the lower pot body are respectively provided with honeycomb holes on one side of the back of the upper pot body and the lower pot body. The upper heating tube and the lower heating tube are respectively provided in the top metal air guide shroud of the metal lining above the pot opening of the upper pot body and the lower pot body. The front part of one end of the top metal air guide shroud is bent downward and aligned with one-sixth of the pot opening inside the upper pot body and the lower pot body. The top metal air guide shroud is provided with a cap edge on this end and the connected two sides. The rear opening of the other end of the top metal air guide shroud is narrowed and aligned with the edge of the metal lining above the through hole or the protruding channel hole on the edge. The upper heating tube, the lower heating tube, the upper motor and the lower motor are respectively connected to the control panel assembly through wires. The key structural design features an upper frying basket viewing window assembly and a lower frying basket viewing window assembly, respectively, located on the upper and lower handle assembly covers. The upper and lower pot bodies corresponding to these assemblies each have a viewing window. Each assembly includes a handle, a frying basket cover, a viewing channel, a frying basket liner, viewing glass, and a silicone sealing ring. The viewing glass is fixed to a viewing window on one side of the pot body via the frying basket liner, with a silicone sealing ring at the fixing point. A viewing channel is fixed to the frying basket liner in a groove on the other side, and the frying basket cover is located at the opening of this groove. The handle passes through the frying basket... The rectangular holes at the handle hole and viewing window of the basket cover are fixedly connected to the handle mounting point of the basket liner; the downward curved slope of the top metal air guide cover is provided with an upper lighting component and a lower lighting component, respectively. The upper lighting component and the lower lighting component include a metal protective cover, a silicone pad, a metal heat insulation cover, a lamp body, an illumination glass, and a metal fixing bracket. The metal protective cover is fixed to the illumination hole at the slope of the top metal air guide cover by the metal fixing bracket. At the same time, a metal heat insulation cover is provided inside the metal protective cover, and a lamp body is provided inside the heat insulation cover. An illumination glass is provided at the opening of the heat insulation cover. A silicone pad is provided at the wiring hole aligned with the metal protective cover, the metal fixing bracket, and the top metal air guide cover.Therefore, this air fryer adds a light and a frying basket viewing window to the existing double-pan design, providing consumers with a visual baking experience.
[0005] The frying basket liner has equidistant ventilation holes along its upper and lower inner edges in the groove. A raised glass groove is located in the center of the groove. Viewing windows in the upper and lower pots are respectively punched and protruded towards one side of the frying basket liner. The edges of the viewing windows are embedded in the glass groove of the frying basket liner. A silicone sealing ring is positioned at the corresponding viewing window of the pot. The above describes the specific installation method of the silicone sealing ring and the viewing window.
[0006] Above the opening in the glass groove of the frying basket liner, there is a handle mounting point located in the middle of the edge. The outer diameter of the viewing window corresponding to the handle mounting point has a groove for the handle to pass through. The above describes the specific installation method of the handle.
[0007] The viewing window channel is equipped with support columns at its end corners, and perforated lugs are provided between the support columns on both sides of the viewing window channel. The support columns and perforated lugs of the viewing window channel are respectively fixed to the corresponding screw posts in the grooves of the blasting basket lining by screws. The above describes the specific installation method of the viewing window channel.
[0008] The mounting holes are correspondingly located on one side of the hardware protective cover and the hardware fixing bracket. One side of the hardware heat insulation cover has an opening, and the hardware fixing bracket on the opposite side of the mounting hole has symmetrically raised mounting ears along its edge. These mounting ears are connected and fixed to the ear holes of the top hardware air guide cover. The above describes the specific installation method of the hardware fixing bracket.
[0009] The upper pot body and the lower pot body are respectively equipped with an upper grill rack and a lower grill rack.
[0010] The control panel component is located in the plane that is raised at the top corner of the opening side of the machine body.
[0011] The top metal air guide cover is equipped with a flow divider or flow divider plate.
[0012] This utility model has a simple and reasonable structural design, making it convenient to observe and view the cooking process of food in the upper and lower layers. The lighting and viewing window structures have good sealing and stability. It is suitable for use as a new type of double-backed air fryer and as a structural improvement of similar products. Attached Figure Description
[0013] Figure 1 This is a cross-sectional view of an embodiment of the present invention, shown in section AA.
[0014] Figure 2 yes Figure 1 A schematic diagram of the AA cross-sectional structure.
[0015] Figure 3yes Figure 1 A schematic diagram of the exploded structure of one of the upper or lower lighting components.
[0016] Figure 4 yes Figure 1 A schematic diagram of the exploded structure of the lower exploded basket window component.
[0017] Attached Figures and Their Names: 1. Upper Heating Element; 2. Upper Metal Centrifugal Fan Blade; 3. Upper Plastic Centrifugal Fan Blade; 4. Upper Motor; 5. Power Supply Board Assembly; 6. Lower Heating Element; 7. Lower Metal Centrifugal Fan Blade; 8. Lower Plastic Centrifugal Fan Blade; 9. Lower Motor; 10. Lower Grill Rack; 11. Lower Pot Body; 12. Lower Frying Basket Viewing Window Assembly; 13. Lower Handle Assembly; 14. Lower Lighting Assembly; 15. Lower Grill Rack; 16. Upper Pot Body; 17. Upper Frying Basket Viewing Window Assembly; 18. Upper Handle Components, 19. Upper lighting assembly, 20. Control panel assembly, 21. Hardware protective cover, 22. Silicone pad, 23. Hardware heat insulation cover, 24. Lamp body, 25. Illumination glass, 26. Hardware fixing bracket, 27. Top hardware air guide cover, 28. Handle, 29. Frying basket outer cover, 30. Viewing window passage, 3001. Support column, 3002. Hole edge ear, 31. Frying basket inner lining, 3101. Glass groove, 32. Viewing window glass, 33. Silicone sealing ring. Implementation
[0018] The structure and use of this utility model will now be further described with reference to the accompanying drawings. Figures 1-4As shown, the air fryer has a control panel assembly 20 inside its body. The upper and lower layers of the body have hot air chambers with openings on one side, each containing an upper handle assembly 18 with an upper pot body 16 and a lower handle assembly 13 with a lower pot body 11. The back of the hot air chambers has an upper heat dissipation and air guiding assembly and a lower heat dissipation and air guiding assembly. The upper heat dissipation and air guiding assembly includes an upper metal centrifugal fan blade 2, an upper plastic centrifugal fan blade 3, and an upper motor 4. The motor shaft of the upper motor is connected to both the upper metal centrifugal fan blade and the upper plastic centrifugal fan blade. The upper plastic centrifugal fan blade is located inside the upper metal air guide shroud on the back of the upper hot air chamber. The upper motor is fixedly located on the back of the upper metal air guide shroud. The lower heat dissipation and air guiding assembly includes a lower metal centrifugal fan blade 7, a lower plastic centrifugal fan blade 8, and an upper motor 9. The motor shaft of the lower motor is connected to both the lower metal centrifugal fan blade and the lower plastic centrifugal fan blade. The lower plastic centrifugal fan blade is located inside the upper metal air guide shroud on the back of the upper hot air chamber. Inside the lower metal air guide shroud on the back of the lower hot air chamber, the lower motor is fixedly installed on the back of the lower metal air guide shroud. The lower metal centrifugal fan and the upper metal centrifugal fan are respectively provided with equidistantly distributed through holes on the metal lining on the back of the hot air chamber. The upper pot body and the lower pot body are respectively provided with honeycomb holes on one side of the back of the corresponding through holes. The upper electric heating tube 1 and the lower electric heating tube 6 are respectively provided in the top metal air guide shroud 27 above the pot opening of the upper pot body and the lower pot body. The front part of one end of the top metal air guide shroud is bent downward and aligned with one-sixth of the pot opening inside the upper pot body and the lower pot body. The top metal air guide shroud is provided with a cap edge on this end and the connected two sides. The rear opening of the other end of the top metal air guide shroud is narrowed and aligned with the edge of the metal lining above the through hole or the protruding channel hole on the edge. The upper electric heating tube, the lower electric heating tube, the upper motor and the lower motor are respectively connected to the control panel assembly through wires.
[0019] Meanwhile, the upper handle assembly and the lower handle assembly cover are respectively provided with an upper frying basket viewing window assembly 17 and a lower frying basket viewing window assembly 12. The upper pot body 16 and the lower pot body 11 corresponding to the upper and lower frying basket viewing window assemblies are respectively provided with viewing window holes. The upper and lower frying basket viewing window assemblies each include a handle 28, a frying basket outer cover 29, a viewing window channel 30, a frying basket liner 31, a viewing window glass 32, and a silicone sealing ring 33. The viewing window glass is fixed to the viewing window hole on the corresponding pot body side through one side of the frying basket liner. A silicone sealing ring is provided at the fixing point of the viewing window hole. A viewing window channel is provided in the groove on the other side of the frying basket liner, and the frying basket outer cover is provided at the opening of the groove on that side of the frying basket liner. The handle passes through the frying basket. The rectangular holes at the handle hole and viewing window of the outer cover are fixedly connected to the handle mounting point of the inner lining of the frying basket; the downward curved slope of the top metal air guide cover is provided with an upper lighting component 19 and a lower lighting component 14, respectively. The upper lighting component and the lower lighting component include a metal protective cover 21, a silicone pad 22, a metal heat insulation cover 23, a lamp body 24, an illumination glass 25, and a metal fixing bracket 26. The metal protective cover is fixed to the lighting hole at the slope of the top metal air guide cover by the metal fixing bracket. At the same time, a metal heat insulation cover is provided inside the metal protective cover, and a lamp body is provided inside the metal heat insulation cover. An illumination glass is provided at the opening of the metal heat insulation cover. A silicone pad is provided at the wiring hole aligned with the metal protective cover, the metal fixing bracket, and the top metal air guide cover.
[0020] Furthermore, the inner edges of the groove in the frying basket liner are provided with equidistant ventilation holes. A raised glass groove 3101 is located in the center of the groove. The viewing windows of the upper and lower pots are respectively punched and protruded towards one side of the frying basket liner. The edge of the viewing window glass is embedded in the glass groove of the frying basket liner. A silicone sealing ring is provided at the corresponding viewing window of the pot. Simultaneously, a handle mounting point is located above the opening of the glass groove in the frying basket liner, with a grooved edge through which the handle passes on the outer diameter of the viewing window channel corresponding to the handle mounting point. Support posts 3001 are provided at the corners of the viewing window channel, and ear loops 3002 are provided between the two support posts on either side of the viewing window channel. The support posts and ear loops of the viewing window channel are respectively fixed to the corresponding screw posts in the groove of the frying basket liner by screws.
[0021] Furthermore, the aforementioned mounting holes are correspondingly located on one side of the metal protective cover and the metal fixing bracket. The metal heat insulation cover on one side of the mounting hole has an opening, and the metal fixing bracket on the opposite side of the mounting hole has symmetrically raised mounting ears along its edge. These mounting ears are connected and fixed to the ear holes of the top metal air guide cover. The upper pot body and the lower pot body are respectively provided with an upper baking rack 15 and a lower baking rack 10; the control panel assembly is located in the raised plane at the top corner of the opening side of the machine body; and the top metal air guide cover is respectively provided with a flow divider or a flow divider plate.
[0022] In use, the lower pot body is removed from the air fryer via the lower handle assembly, or the upper pot body is removed via the upper handle assembly. Food is placed on the lower rack inside the lower pot, and then the lower pot body is reinserted into the lower unit via the lower handle; similarly, food is placed on the upper rack inside the upper pot, and then the upper pot body is reinserted into the upper unit via the upper handle. Finally, pressing the corresponding cooking button on the control panel assembly will automatically process and cook the food in either the lower or upper pot. During the cooking process, the processing and cooking status of the food in the upper pot can be observed and monitored through the upper frying basket viewing window and upper light assembly on the upper handle assembly; similarly, the processing and cooking status of the food in the upper pot can be observed and monitored through the lower frying basket viewing window and lower light assembly on the lower handle assembly.
Claims
1. A novel double-backed air fryer, wherein the air fryer body is provided with a control panel assembly (20), and the upper and lower layers of the body with one side-opening hot air chambers are respectively provided with an upper handle assembly (18) with an upper pot body (16) and a lower handle assembly (13) with a lower pot body (11). The back of the hot air chamber is provided with an upper heat dissipation air guide assembly and a lower heat dissipation air guide assembly. The upper heat dissipation air guide assembly includes an upper metal centrifugal fan (2), an upper plastic centrifugal fan (3) and an upper motor (4). The motor shaft of the upper motor is connected to both the upper metal centrifugal fan and the upper plastic centrifugal fan. The upper plastic centrifugal fan is set in the upper metal air guide shroud on the back of the upper hot air chamber. The upper motor is fixedly set on the back of the upper metal air guide shroud. The lower heat dissipation air guide assembly includes a lower metal centrifugal fan (7), a lower plastic centrifugal fan (8) and a lower motor (9). The motor shaft of the lower motor is connected to both the lower metal centrifugal fan and the lower plastic centrifugal fan. The lower plastic centrifugal fan blade is installed inside the lower metal guide shroud on the back of the lower hot air chamber. The lower motor is fixedly installed on the back of the lower metal guide shroud. The lower metal centrifugal fan blade and the upper metal centrifugal fan blade are respectively provided with equally spaced through holes on the metal lining on the back of the hot air chamber. The upper pot body and the lower pot body are respectively provided with honeycomb holes on one side of the back of the corresponding through holes. The upper heating tube (1) and the lower heating tube (6) are respectively provided in the top metal guide shroud (27) above the pot opening of the upper pot body and the lower pot body. The front part of one end of the top metal guide shroud is bent downward and aligned with the pot opening on the inner side of the upper pot body and the lower pot body at one-sixth of the pot opening. The top metal guide shroud is provided with a cap edge on this end and the connected sides. The rear opening of the other end of the top metal guide shroud is narrowed and aligned with the edge of the metal lining above the through hole or the protruding channel hole on the edge. The upper heating tube, the lower heating tube, the upper motor and the lower motor are respectively connected to the control panel assembly through the circuit. The upper handle assembly (18) and the lower handle assembly (13) are respectively provided with an upper frying basket viewing window assembly (17) and a lower frying basket viewing window assembly (12) at their respective covers. The upper pot body (16) and the lower pot body (11) corresponding to the upper frying basket viewing window assembly and the lower frying basket viewing window assembly are respectively provided with open viewing windows. The upper frying basket viewing window assembly and the lower frying basket viewing window assembly respectively include a handle (28), a frying basket outer cover (29), a viewing window channel (30), a frying basket liner (31), a viewing window glass (32) and a silicone sealing ring (33). The viewing window glass is fixed to the viewing window on the corresponding pot body side through one side of the frying basket liner. The viewing window at the fixing point is provided with a silicone sealing ring. The groove on the other side of the frying basket liner is provided with a viewing window channel fixed to the frying basket liner. The groove on this side of the frying basket liner is provided with a frying basket outer cover. The handle passes through the frying basket outer cover. The rectangular hole at the handle hole and viewing window channel is fixedly connected to the handle installation point of the frying basket liner; the downward curved slope of the top metal air guide cover (27) above the upper pot body and the lower pot body is provided with an upper lighting assembly (19) and a lower lighting assembly (14), respectively. The upper lighting assembly and the lower lighting assembly include a metal protective cover (21), a silicone pad (22), a metal heat insulation cover (23), a lamp body (24), a lighting glass (25), and a metal fixing bracket (26). The metal protective cover is fixed to the lighting hole at the slope of the top metal air guide cover by the metal fixing bracket. At the same time, a metal heat insulation cover is provided inside the metal protective cover, a lamp body is provided inside the metal heat insulation cover, and a lighting glass is provided at the opening of the metal heat insulation cover. A silicone pad is provided at the mounting hole aligned with the metal protective cover, the metal fixing bracket, and the top metal air guide cover.
2. The novel double-backed air fryer according to claim 1, characterized in that... The frying basket liner (31) has equidistant ventilation holes on the upper and lower inner edges of the groove. The frying basket liner has a raised glass groove (3101) in the middle of the groove. The viewing windows of the upper pot body (16) and the lower pot body (11) are pressed and protruded towards one side of the frying basket liner. The edge of the viewing window glass (32) is embedded in the glass groove of the frying basket liner. The silicone sealing ring (33) is set at the viewing window of the corresponding pot body and protrudes.
3. The novel double-backed air fryer according to claim 2, characterized in that... The handle mounting point is provided in the middle of the upper edge of the opening at the glass groove (3101) of the inner lining (31) of the frying basket, and the outer diameter of the viewing window channel (30) corresponding to the handle mounting point is provided with a groove edge through which the handle (28) passes.
4. The novel double-backed air fryer according to claim 3, characterized in that... The viewing window channel (30) is provided with support columns (3001) at the corners of the viewing window channel and with ear-shaped holes (3002) between the support columns on both sides of the viewing window channel. The support columns and ear-shaped holes of the viewing window channel are respectively fixed to the corresponding screw columns in the groove of the frying basket liner (31) by screws.
5. The novel double-backed air fryer according to claim 1, characterized in that... The mounting holes are respectively set on one side of the hardware protective cover (21) and the hardware fixing bracket (26). The hardware heat insulation cover (23) on one side of the mounting hole is open. The hardware fixing bracket on the other side of the mounting hole is symmetrically provided with raised mounting ears. The mounting ears are connected and fixed to the ear holes of the top hardware air guide cover (27).
6. The novel double-backed air fryer according to claim 1, characterized in that... The upper pot body (16) and the lower pot body (11) are respectively provided with an upper grill rack (15) and a lower grill rack (10).
7. The novel double-backed air fryer according to claim 1, characterized in that... The control panel component (20) is located in the plane that is raised at the top corner of the opening side of the body.
8. The novel double-backed air fryer according to claim 1, characterized in that... The top metal air guide cover (27) is equipped with a flow divider or a flow divider plate.
Citation Information
Patent Citations
Air fryer
CN118749836A
Double-cavity air fryer
CN118948131A