CN215838479U

CN215838479U - Cooking appliance with circulating air duct

Info

Publication number: CN215838479U
Application number: CN202121316974.2U
Authority: CN
Inventors: 黄晓; 屈蒋军; 李德民
Original assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Oven and Electrical Appliance Manufacturing Co Ltd
Current assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Oven and Electrical Appliance Manufacturing Co Ltd
Priority date: 2021-06-12
Filing date: 2021-06-12
Publication date: 2022-02-18
Anticipated expiration: 2031-06-12

Abstract

A cooking appliance with a circulating air duct comprises a box body and an inner cavity arranged on the front side of the box body, wherein a convection cover assembly is arranged on one side of the inner cavity and comprises a hot air convection cover, a cold air convection cover and an exhaust pipe, the hot air convection cover is respectively communicated with the inner cavity and the cold air convection cover, the exhaust pipe is respectively communicated with the hot air convection cover and the cold air convection cover, a hot air blade is arranged in the hot air convection cover, a cold air blade is arranged in the cold air convection cover, the convection cover assembly further comprises a driving piece for driving the hot air blade and the cold air blade to synchronously rotate, when the driving piece drives the hot air blade and the cold air blade to rotate, one part of hot air in the inner cavity circularly flows through the hot air blade, the other part of hot air flows onto the exhaust pipe, and after external air is sucked into the cold air convection cover through the cold air blade, the temperature of an electrical element outside the cold air convection cover is reduced, and the air flows onto the exhaust pipe, so that the outside air and part of hot air are mixed and discharged out of the box body, and the hot air discharged by hot air circulation is reduced.

Description

Cooking appliance with circulating air duct

Technical Field

The utility model relates to a cooking appliance, in particular to a cooking appliance with a circulating air duct.

Background

The heat that produces after the cooking appliance circular telegram heats food, and the mode that cooking appliance produced heat includes microwave heating, heating tube barbecue heating and steam heating. Cooking appliance includes the box and the door body, be equipped with front side open-ended culinary art cavity in the box, door body lid fits the opening part of cavity, be provided with components and parts on the culinary art cavity, the box includes the shell, when heating food, shell and culinary art cavity lateral wall can be transmitted to the heat in the cavity, if install the control panel in the culinary art cavity, inside components and parts such as display screen, then can influence the performance and the life-span of these components and parts, current cooking appliance only has heated air circulation, on the one hand can not dispel the heat to components and parts and shells installed in cooking appliance betterly, on the other hand, when the higher hot-blast of air outlet exhaust temperature, cause the condition of scalding the user to take place easily, certain potential safety hazard has been brought for the user.

Chinese patent document No. CN206300225U discloses a drawer type microwave oven in 2016, 12 and 2, which specifically discloses a drawer type microwave oven including a housing, wherein an air inlet is provided at the lower part of the rear wall of the housing; the cooking device comprises a cooking cavity, a lower air outlet of an upper air outlet is arranged on the front wall of the cooking cavity, and an air outlet channel is defined between the outer wall surface of the cooking cavity and the inner wall surface of a shell; the vortex fan is arranged on the outer top wall surface of the cooking cavity and positioned in the air duct, and is provided with a first air supply outlet and a second air supply outlet; the electric device is arranged on the outer top wall surface of the cooking cavity and comprises a transformer and a magnetron, the transformer is arranged in the first air outlet channel, and the magnetron is arranged in the second air outlet channel; the hot air convection assembly is arranged on the outer rear wall surface of the cooking cavity and is positioned in the air channel. Although the structure can avoid the heat generated by hot air convection from accelerating the aging of the electric device, the structure is complex, the surface temperature of the shell cannot be reduced, the cooked food is heated unevenly, and the like.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the cooking appliance with the circulating air duct, which has the advantages of reasonable structural design, high safety and strong reliability, effectively reduces the working temperature of components and the surface temperature of a shell, prolongs the service life of the components and improves the use safety, neutralizes and reduces hot air discharged by hot air circulation, avoids the potential safety hazard of scalding a user due to overhigh temperature of the discharged hot air, ensures the safety performance of the cooking appliance, and overcomes the defects in the prior art.

The cooking appliance of a circulation wind channel who designs according to this purpose includes the box and sets up at the interior cavity of box front side open-ended, its characterized in that: interior cavity one side is provided with the convection current cover subassembly, the convection current cover subassembly includes hot-blast convection current cover, cold wind convection current cover and blast pipe, and hot-blast convection current cover communicates with interior cavity, cold wind convection current cover respectively, blast pipe respectively with hot-blast convection current cover, cold wind convection current cover intercommunication, be provided with hot-blast fan blade in the hot-blast convection current cover, be provided with the cold wind fan blade in the cold wind convection current cover, the convection current cover subassembly still includes the synchronous pivoted driving piece of drive hot-blast fan blade and cold wind fan blade, when driving piece drive hot-blast fan blade and cold wind fan blade rotate, interior cavity partly hot-blast through hot-blast fan blade circulation flow, on another part hot-blast inflow to the blast pipe, outside air passes through the cold wind fan blade and inhales behind the cold wind convection current cover, and the air inflow is to the blast pipe to make outside air and partial hot-blast mixing and discharge the box.

In the cooking appliance with the circulating air duct of the embodiment, after the cooking appliance is powered on, the heating pipe starts to heat, air in the inner cavity is heated by the heating pipe to form hot air, the driving piece drives the hot air fan blade and the cold air fan blade to synchronously rotate, the hot air in the inner cavity is continuously circulated under the action of the hot air fan blade, the temperature of each position in the inner cavity is uniform, so that the food is uniformly baked, the other part of the hot air flows to the exhaust pipe after passing through the second air outlet, and under the action of the cold air fan blade, the external air flows into the cold air convection cover through the first air inlet on the outer cover, the second air inlet on the bottom plate and the air inlet in the middle of the cold air convection cover, so that the temperature of the electric elements (the control panel, the display screen, the motor and the like) outside the cold air convection cover and the temperature of the outer cover in the electric oven are reduced effectively, the risk of scalding users can be reduced, the service life of an electrical element of the electric oven is prolonged, the stability and the safety of the electric oven during working are improved, cold air sucked into the electric oven flows into the exhaust pipe through the second air outlet, so that outside air and part of hot air are mixed and discharged out of the oven body, air and hot air are neutralized, hot air discharged by hot air circulation is reduced, the potential safety hazard that a user is scalded due to overhigh temperature of discharged hot air is avoided, and the safety performance of a cooking appliance is guaranteed.

At least, be provided with two heating tubes in the inner chamber, inner chamber one side is provided with the first air outlet with hot-blast convection current cover intercommunication, cold wind is provided with the second air outlet of being connected with the blast pipe cooperation to current cover circumference, hot-blast convection current cover circumference is provided with the exhaust vent with first air outlet, blast pipe intercommunication, and when the heating tube heating, hot-blast fan blade drives the heated air circulation of inner chamber body through first air outlet and flows, and partial hot-blast air flows in to the blast pipe through the exhaust vent on.

And when the cold air blade rotates, outside air enters the cold air convection cover through the air inlet, and the air flows into the exhaust pipe through the second air outlet.

The box body comprises an outer cover and a bottom plate, a first air inlet is formed in the side wall of the outer cover, a second air inlet is formed in the bottom plate, and the air inlet is communicated with the first air inlet and the second air inlet.

The driving piece comprises a motor, a rotating shaft is arranged on the motor, a positioning part for fixedly mounting the motor is arranged on the cold air convection cover, a shaft sleeve is arranged in the middle of the hot air convection cover, and the rotating shaft of the electricity stretches into the cold air convection cover and is sequentially fixedly connected with cold air, the shaft sleeve and the hot air fan blade.

A fastening fitting piece, or a magnetic suction fitting piece, or a buckle fitting piece is arranged between the cold air convection cover and the hot air convection cover, and the cold air convection cover and the hot air convection cover are connected in a mutually dismounting and matching mode through the fastening fitting piece, or the magnetic suction fitting piece, or the buckle fitting piece.

The heating tube is characterized in that a panel component is arranged on the box body and comprises a panel, and a temperature controller knob, a switch knob and a timer knob which are electrically connected with the heating tube are arranged on the panel.

The refrigerator body is also provided with a door body assembly capable of being opened or closed, the door body assembly comprises a door frame, door glass and a pressing plate, a positioning seat is arranged on the door frame, and a door handle is arranged on the positioning seat.

The cooking electric appliance is at least an electric oven, a steam box, a microwave oven or a steaming and baking integrated machine.

The utility model adopts the cooking appliance with a circulating air duct, one side of the inner cavity is provided with a convection hood assembly, the convection hood assembly comprises a hot air convection hood, a cold air convection hood, an exhaust pipe and a driving piece, when the driving piece drives the hot wind blade and the cold wind blade to rotate, one part of hot wind in the inner cavity flows circularly through the hot wind blade, the other part of hot wind flows into the exhaust pipe, outside air is sucked into the cold wind convection cover through the cold wind blade, thereby reducing the temperature of the electric elements (control panel, display screen, motor, etc.) outside the cold air convection cover, prolonging the service life of the elements, leading the air to flow into the exhaust pipe, so that the external air and part of hot air are mixed and discharged out of the box body to achieve the neutralization of the air and the hot air, the hot air discharged by the hot air circulation is reduced, the potential safety hazard that a user is scalded due to overhigh temperature of the discharged hot air is avoided, and the safety performance of the cooking appliance is ensured.

In general, the automobile safety protection device has the characteristics of reasonable structural design, high safety, high reliability and the like, and is high in practicability.

Drawings

Fig. 1 is an exploded view of a cooking appliance according to an embodiment of the utility model.

Fig. 2 is a schematic view of an overall structure of the cooking appliance according to an embodiment of the utility model.

Fig. 3 is a sectional view taken along a-a in fig. 2.

Fig. 4 is an enlarged schematic view of fig. 3 at B.

Wherein the arrows in fig. 3 indicate the flow direction of the hot air and the air stream;

the correspondence between reference numerals and component names in fig. 1 to 4 is:

the refrigerator comprises a box body, a B-convection cover component, a 1-inner cavity, a 1.1-first air outlet, a 2-hot air convection cover, a 2.1-air outlet, a 2.2-shaft sleeve, a 3-cold air convection cover, a 3.1-second air outlet, a 3.2-air inlet, a 3.3-positioning part, a 4-hot air fan blade, a 5-cold air fan blade, a 6-heating pipe, a 7-exhaust pipe, an 8-outer cover, an 8.1-first air inlet, a 9-bottom plate, a 9.1-second air inlet, a 10-motor, a 10.1-rotating shaft, an 11-panel, an 11.1-temperature controller knob, an 11.2-switch knob, an 11.3-timer knob, a 12-door frame, 13-door glass, a 14-pressing plate, a 15-positioning seat and a 15.1-door handle.

Detailed Description

The utility model is further described with reference to the following figures and examples.

Referring to fig. 1 to 4, in one embodiment, a cooking appliance with a circulating air duct is provided, which includes a box body a and an inner cavity 1 disposed at a front opening of the box body a, a convection hood assembly B is disposed at one side of the inner cavity 1, the convection hood assembly B includes a hot air convection hood 2, a cold air convection hood 3 and an exhaust pipe 7, the hot air convection hood 2 is respectively communicated with the inner cavity 1 and the cold air convection hood 3, the exhaust pipe 7 is respectively communicated with the hot air convection hood 2 and the cold air convection hood 3, a hot air blade 4 is disposed in the hot air convection hood 2, a cold air blade 5 is disposed in the cold air convection hood 3, the convection hood assembly B further includes a driving member for driving the hot air blade 4 and the cold air blade 5 to rotate synchronously, when the driving member drives the hot air blade 4 and the cold air blade 5 to rotate, a part of hot air in the inner cavity 1 flows circularly through the hot air blade 4, and another part of hot air flows into the exhaust pipe 7, after external air is sucked into the cold air convection cover 3 through the cold air fan blade 5, the air flows into the exhaust pipe 7, so that the external air and part of hot air are mixed and discharged out of the box body A.

It should be noted that the cooking appliance is not limited to an electric oven, a steam box, a microwave oven, or a steaming and baking all-in-one machine, and the like, and is not limited in particular. The electric oven is specifically described as an example.

Specifically, after the electric oven is powered on and the cooking appliance is powered on, the heating pipe 6 starts to heat, air in the inner cavity 1 is heated by the heating pipe 6 to form hot air, the driving piece drives the hot air fan blade 4 and the cold air fan blade 5 to synchronously rotate, the hot air in the inner cavity 1 continuously circulates under the action of the hot air fan blade 4 to enable the temperature of each position in the inner cavity 1 to be uniform, so that food is uniformly baked, the other part of the hot air flows onto the exhaust pipe through the second air outlet 3.1, and under the action of the cold air fan blade 5, outside air flows into the cold air convection cover 3 through the first air inlet 8.1 on the outer cover 8, the second air inlet 9.1 on the bottom plate 9 and the air inlet 3.2 in the middle of the cold air convection cover 3, so that the temperature of electric elements (a control panel, a display screen, a motor and the like) outside the cold air convection cover 3 and the outer cover 8 can be effectively reduced, the risk of scalding users can be reduced, the service life of the electric elements of the electric oven is prolonged, and the stability and the safety of the electric oven during working are improved, air sucked into the cold air convection cover 3 flows into the exhaust pipe 7 through the second air outlet 3.1, so that external air and partial hot air are mixed and discharged out of the box body A, the air and the hot air are neutralized, hot air discharged by hot air circulation is reduced, the potential safety hazard that the users are scalded due to overhigh temperature of the discharged hot air is avoided, and the safety performance of the electric oven is guaranteed.

Further, as shown by the arrow direction in fig. 3, at least two heating pipes 6 are arranged in the inner cavity 1, a first air outlet 1.1 communicated with the hot air convection hood 2 is arranged on one side of the inner cavity 1, a second air outlet 3.1 matched and connected with the exhaust pipe 7 is circumferentially arranged on the cold air convection hood 3, an air outlet 2.1 communicated with the first air outlet 1.1 and the exhaust pipe 7 is circumferentially arranged on the hot air convection hood 2, when the heating pipes 6 are heated, the hot air fan blades 4 drive the hot air of the inner cavity 1 to circularly flow through the first air outlet 1.1, and part of the hot air flows into the exhaust pipe 7 through the air outlet 2.1.

Specifically, when the heating tube 6 heats, the hot air fan blade 4 drives the heated air circulation of the inner cavity 1 to flow through the first air outlet 1.1, so that the temperature of each position in the inner cavity 1 is uniform, food color baking is uniform, partial hot air flows to the second air outlet 3.1 and then is discharged out of the box body A through the exhaust pipe 7, food water vapor is discharged, and cooking time is shortened.

Further, as shown by the arrow direction in fig. 3, an air inlet 3.2 is disposed on one side of the cold air convection cover 3, when the cold air blade 5 rotates, external air enters the cold air convection cover 3 through the air inlet 3.2, and the air flows into the exhaust pipe 7 through the second air outlet 3.1.

Specifically, referring to fig. 1, the box a includes an outer cover 8 and a bottom plate 9, a first air inlet 8.1 is disposed on a side wall of the outer cover 8, a second air inlet 9.1 is disposed on the bottom plate 9, and the air inlet 3.2 is communicated with the first air inlet 8.1 and the second air inlet 9.1.

Under the action of the cold air fan blade 5, air outside the electric oven is sucked into the cold air convection cover 3 through the first air inlet 8.1 on the outer cover 8, the second air inlet 9.1 on the bottom plate 9 and the air inlet 3.2 in the middle of the cold air convection cover 3, so that the temperature of electric elements (a control panel, a display screen, a motor and the like) outside the cold air convection cover 3 is reduced, the service life of components is prolonged, the air sucked into the cold air convection cover 3 flows into the exhaust pipe 7 through the second air outlet 3.1, so that the outside air and part of hot air are mixed and exhausted out of the box body A, the air and the hot air are neutralized, hot air exhausted by hot air circulation is reduced, the potential safety hazard that a user is scalded due to overhigh temperature of the exhausted hot air is avoided, and the safety performance of the electric oven is ensured.

Further, the driving piece comprises a motor 10, a rotating shaft 10.1 is arranged on the motor 10, a positioning portion 3.3 for fixedly mounting the motor 10 is arranged on the cold air convection cover 3, and a shaft sleeve 2.2 is arranged in the middle of the hot air convection cover 2, wherein the rotating shaft 10.1 of the motor 10 extends into the cold air convection cover 3, and the rotating shaft 10.1 is fixedly connected with the cold air fan blade 5, the shaft sleeve 2.2 and the hot air fan blade 4 in sequence.

Specifically, the motor 10 is adopted to drive the cold air blade 5 and the hot air blade 4 to rotate simultaneously, so that the rotating speeds of the cold air blade 5 and the hot air blade 4 are synchronous, and the cold air blade 5 and the hot air blade 4 are more stable and safer and more reliable in performance; the cold air fan blade 5, the hot air fan blade 4 and the rotating shaft 10.1 can be fixedly connected in an interference fit mode, and can also be fixedly connected in a fastener connection mode, a thread screwing mode, an integral forming mode and the like.

Referring to fig. 4, a fastening fitting, a magnetic fitting, or a snap fitting is disposed between the cool air convection cover 3 and the hot air convection cover 2, and the cool air convection cover 3 and the hot air convection cover 2 are connected by the fastening fitting, the magnetic fitting, or the snap fitting.

Preferably, the cold air convection hood 3 and the hot air convection hood 2 are detachably and cooperatively connected with each other through a fastening fitting piece, wherein the fastening fitting piece is a bolt.

Referring to fig. 1 and 2, a panel assembly is disposed on the box body a, the panel assembly includes a panel 11, and a temperature controller knob 11.1, a switch knob 11.2 and a timer knob 11.3 electrically connected to the heating tube 6 are disposed on the panel 11.

Specifically, the heating tube 6 is electrically connected with a temperature controller knob 11.1, a switch knob 11.2 and a timer knob 11.3 through leads, the heating tube 6 controls the temperature of the inner cavity 1 through the temperature controller knob 11.1, the heating tube 6 is controlled to heat through the switch knob 11.2 and the motor 10 is started, and the heating tube 6 adjusts the heating time through the timer knob 11.3.

Referring to fig. 1 and 2, a door assembly capable of being opened or closed is further disposed on the box body a, the door assembly includes a door frame 12, a door glass 13 and a pressing plate 14, a positioning seat 15 is disposed on the door frame 12, and a door handle 15.1 is disposed on the positioning seat 15.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be protected by the following claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cooking appliance in circulation wind channel, includes box (A) and sets up at interior cavity (1) of box (A) front side open-ended, its characterized in that: the convection cover assembly (B) comprises a hot air convection cover (2), a cold air convection cover (3) and an exhaust pipe (7), the hot air convection cover (2) is respectively communicated with the inner cavity (1) and the cold air convection cover (3), the exhaust pipe (7) is respectively communicated with the hot air convection cover (2) and the cold air convection cover (3), hot air blades (4) are arranged in the hot air convection cover (2), cold air blades (5) are arranged in the cold air convection cover (3), the convection cover assembly (B) further comprises a driving piece for driving the hot air blades (4) and the cold air blades (5) to synchronously rotate, when the driving piece drives the hot air blades (4) and the cold air blades (5) to rotate, one part of hot air in the inner cavity (1) circularly flows through the hot air blades (4), and the other part of hot air flows onto the exhaust pipe (7), after external air is sucked into the cold air convection cover (3) through the cold air fan blade (5), the air flows into the exhaust pipe (7) so that the external air and part of hot air are mixed and discharged out of the box body (A).

2. The cooking appliance of claim 1 wherein the circulating air duct comprises: at least two heating tubes (6) are arranged in the inner cavity (1), a first air outlet (1.1) communicated with the hot air convection cover (2) is arranged on one side of the inner cavity (1), a second air outlet (3.1) connected with the exhaust pipe (7) in a matched mode is arranged on the circumference of the cold air convection cover (3), an air outlet (2.1) communicated with the first air outlet (1.1) and the exhaust pipe (7) is arranged on the circumference of the hot air convection cover (2), when the heating tubes (6) are heated, the hot air fan blades (4) drive the inner cavity (1) to flow in a hot air circulation mode through the first air outlet (1.1), and partial hot air flows into the exhaust pipe (7) through the air outlet (2.1).

3. The cooking appliance of claim 2 wherein the circulating air duct comprises: an air inlet hole (3.2) is formed in one side of the cold air convection cover (3), when the cold air fan blade (5) rotates, outside air enters the cold air convection cover (3) through the air inlet hole (3.2), and the air flows into the exhaust pipe (7) through the second air outlet (3.1).

4. The cooking appliance of claim 3 wherein the circulating air duct comprises: the box body (A) comprises an outer cover (8) and a bottom plate (9), a first air inlet (8.1) is formed in the side wall of the outer cover (8), a second air inlet (9.1) is formed in the bottom plate (9), and the air inlet (3.2) is communicated with the first air inlet (8.1) and the second air inlet (9.1).

5. The cooking appliance of claim 4 wherein: the driving piece comprises a motor (10), a rotating shaft (10.1) is arranged on the motor (10), a positioning part (3.3) for fixedly mounting the motor (10) is arranged on the cold air convection cover (3), an axle sleeve (2.2) is arranged in the middle of the hot air convection cover (2), wherein the rotating shaft (10.1) of the motor (10) extends into the cold air convection cover (3) and the rotating shaft (10.1) is sequentially fixedly connected with a cold air fan blade (5), an axle sleeve (2.2) and a hot air fan blade (4).

6. The cooking appliance of claim 5 wherein: a fastening fitting piece, or a magnetic suction fitting piece, or a buckle fitting piece is arranged between the cold air convection cover (3) and the hot air convection cover (2), and the cold air convection cover (3) and the hot air convection cover (2) are connected in a matched mode through the fastening fitting piece, or the magnetic suction fitting piece, or the buckle fitting piece in a mutually dismounting and mounting mode.

7. The cooking appliance of claim 2 wherein the circulating air duct comprises: the heating box is characterized in that a panel component is arranged on the box body (A), the panel component comprises a panel (11), and a temperature controller knob (11.1), a switch knob (11.2) and a timer knob (11.3) which are electrically connected with the heating tube (6) are arranged on the panel (11).

8. The cooking appliance of claim 7 wherein: the refrigerator body (A) is further provided with a door body assembly capable of being opened or closed, the door body assembly comprises a door frame (12), door glass (13) and a pressing plate (14), a positioning seat (15) is arranged on the door frame (12), and a door handle (15.1) is arranged on the positioning seat (15).

9. Cooking appliance with a circulating air duct according to any of the claims 1-8, characterized in that: the cooking electric appliance is at least an electric oven, a steam box, a microwave oven or a steaming and baking integrated machine.