CN216090151U - Top cover plate, air duct assembly and cooking appliance - Google Patents

Abstract

The utility model relates to the technical field of household appliances, in particular to a top cover plate, an air duct assembly and a cooking appliance, which comprise a cover plate shell, a first cavity and a second cavity, wherein the cover plate shell is provided with a first cavity; the cover plate shell is provided with a first inlet and a first outlet which are communicated with the first cavity; the flow guide assembly is arranged at the first outlet, is obliquely arranged relative to the first outlet and is used for changing the direction of the airflow outlet of the first outlet. In the technical scheme, the diversion assembly can divert and guide hot air, so that the hot air is scattered when entering the inner cavity of the oven, and the flowing direction of the hot air can be changed through the diversion assembly. Moreover, the top cover plate is matched with the back cover plate for use, the back cover plate outputs hot air, the hot air enters the cavity after passing through the top cover plate, the hot air can pass through a curved flow track and is not directly blown, the air flow can be changed into an unordered and disordered track from an orderly fixed track, and the hot air uniformity in the cavity is improved.

Description

Top cover plate, air duct assembly and cooking appliance

Technical Field

The utility model relates to the technical field of household appliances, in particular to a top cover plate, an air duct assembly and a cooking appliance.

Background

Kitchen cooking appliances mainly rely on the high temperature environment of its cavity to cook food, and this kind of high temperature generally comes from the heat of heating tube, and brings the cavity into with the heat is even, reaches outstanding culinary art effect, and the core technology is exactly to rely on hot air system. At present, the function of air frying is more and more widely used on an oven, the working principle of the air frying is a high-speed air circulation technology, hot air is generated through a heating pipe inside the oven to provide heat, then the hot air is blown into the oven by a fan to circulate in a closed space, so that food is heated, and the food is fried by using the grease of the food, so that the food is dehydrated, the surface of the food becomes golden and crisp, and the frying effect is achieved.

However, in most of the existing ovens, a fan is arranged on a rear plate of a hot air system to directly blow heat into a cavity of the oven, the cooking performance of the scheme is more suitable for slow-fire food, and for meat and the like which need fast-fire fast-baking, fast edge sealing, intermittent fast-baking and back-and-forth continuous roasting, the cooking performance can not meet the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a top cover plate, an air duct assembly and a cooking appliance, and aims to solve the technical problem that the cooking function of an oven in the prior art cannot meet the requirement of a user.

The present invention provides a top cover plate of a cooking appliance, comprising:

a shroud shell having a first cavity; the cover plate shell is provided with a first inlet and a first outlet which are communicated with the first cavity;

and the flow guide assembly is arranged at the first outlet, is obliquely arranged relative to the first outlet and is used for changing the direction of the airflow outlet of the first outlet.

Further, the flow guide assembly comprises:

a frame disposed at the first outlet;

and the blades are arranged on the inner ring of the frame and are obliquely arranged relative to the frame.

Furthermore, the frame is a rectangular frame, the blades are rectangular blades, and the rectangular blades are uniformly arranged on the inner ring of the rectangular frame and have the same inclination angle relative to the rectangular frame.

Further, the method also comprises the following steps:

the blade is rotatably arranged on the inner ring of the frame, and the driving assembly is in driving connection with the blade and is used for adjusting the inclination angle of the blade relative to the frame.

Further, the driving assembly includes:

a worm in driving connection with a plurality of said vanes;

the worm wheel is in driving connection with the worm;

and the motor is in driving connection with the turbine.

Further, the driving assembly further includes:

and the motor support is used for being arranged on the cooking utensil, and the motor is arranged on the motor support.

Further, the first inlet is positioned at the side edge of the cover plate shell, and the first outlet is positioned at the bottom surface of the cover plate shell; and/or the opening area of the first outlet accounts for at least 75% of the area of the bottom surface of the cover plate shell.

Further, the method also comprises the following steps:

a heating element disposed within the first cavity.

The application also provides an air duct assembly, including:

the roof panel;

a back cover plate having a second cavity; and a second inlet and a second outlet which are communicated with the second cavity are formed in the back cover plate, and the second outlet is communicated with the first inlet.

The present application further provides a cooking appliance comprising the air duct assembly.

In the technical scheme, the diversion component can form diversion and guidance for hot air, so that the hot air is scattered when entering the inner cavity of the oven, and the flowing direction of the hot air can be changed through the diversion component, so that the air flow is changed from an orderly fixed track to an unordered disordered track, and the uniformity of hot air in the cavity is improved. Moreover, this top shroud plate also can cooperate the back shroud plate to use when using, and back shroud plate output is hot-blast, and is hot-blast to need to enter into the cavity behind the top shroud plate again, and this compares with directly providing steam to the oven inner chamber at the back alone, and steam can be through curved flow path, and is no longer directly blowing, also can make the air current become unordered disorderly turbulent orbit from orderly fixed orbit, has improved the hot-blast homogeneity in the cavity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of a roof panel provided in accordance with one embodiment of the present invention;

FIG. 2 is a front view of the top cover panel shown in FIG. 1;

FIG. 3 is a left side view of the top cover panel shown in FIG. 1;

FIG. 4 is a right side view of the top cover panel shown in FIG. 1;

FIG. 5 is a bottom view of the top cover plate shown in FIG. 1;

FIG. 6 is a perspective view of a deflector assembly provided in accordance with one embodiment of the present invention;

FIG. 7 is a front view of the airflow directing assembly shown in FIG. 6;

FIG. 8 is a side view of the deflector assembly shown in FIG. 6;

FIG. 9 is a bottom view of the deflector assembly of FIG. 6;

FIG. 10 is a perspective view of a deflector assembly according to another embodiment of the present invention;

FIG. 11 is a front view of the deflector assembly shown in FIG. 10;

FIG. 12 is a side view of the deflector assembly shown in FIG. 10;

FIG. 13 is a bottom view of the deflector assembly shown in FIG. 10;

FIG. 14 is a perspective view of a deflector assembly provided in accordance with yet another embodiment of the utility model;

FIG. 15 is a front view of the deflector assembly shown in FIG. 14;

FIG. 16 is a side view of the deflector assembly of FIG. 14;

FIG. 17 is a bottom view of the deflector assembly of FIG. 14;

FIG. 18 is a front view of an air chute assembly provided in accordance with one embodiment of the present invention;

FIG. 19 is a side view of the air chute assembly shown in FIG. 18;

FIG. 20 is a bottom view of the air chute assembly shown in FIG. 18;

fig. 21 is a front view of a cooking appliance provided in an embodiment of the present invention;

fig. 22 is a top view of a cooking appliance according to an embodiment of the present invention.

Reference numerals:

001. a cooking appliance;

100. a shroud shell; 200. a flow guide assembly;

300. a drive assembly; 400. a back cover plate;

110. a first inlet; 120. a first outlet;

210. a frame; 220. a blade;

310. a motor; 320. a motor bracket;

410. a second inlet; 420. a second outlet.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

After studying cooking utensil 001 such as oven among the prior art discovers, no matter be cooking utensil 001's hot air system install at rear portion or top, or install at other positions, hot-blast one side that all can follow the oven is directly blown towards the direction of inner chamber, can't change amount of wind and wind direction, because the fixed of wind direction, can lead to the hot-blast orbit basic certainty in the cavity, hot-blast from just getting into the hottest in the cavity, to the low temperature of final discharge cavity, this temperature difference that just leads to the temperature in the cavity to certainly exists, whole oven inner chamber's thermal uniformity is not high, can't toast food such as cookies. In order to solve the above technical problems, the present application provides the following technical solutions.

As shown in fig. 1 to 5, the top cover plate of a cooking appliance 001 according to the present embodiment includes a cover plate shell 100 having a first cavity; the cover plate shell 100 is provided with a first inlet 110 and a first outlet 120 which are communicated with the first cavity; the top cover plate further comprises a flow guide assembly 200, wherein the flow guide assembly 200 is arranged at the first outlet 120 and is obliquely arranged relative to the first outlet 120, and is used for changing the airflow outlet direction of the first outlet 120.

In fact, this top cover plate is mainly used for cooperating the use of back cover plate 400 when using, wherein, in the aspect of assembly structure, the top cover plate needs to assemble at the top position of cooking utensil 001, and back cover plate 400 needs to assemble at the back position of cooking utensil 001, behind the mutual collocation of top cover plate and back cover plate 400, can utilize back cover plate 400 as the wind regime, be about to fan and corresponding heating structure install in back cover plate 400, export hot-blast through back cover plate 400, hot-blast need pass through the top cover plate and then get into in the cavity, this with directly providing steam to the inner chamber of oven at the back alone, hot-blast can pass through curved flow path of oven, no longer directly blow, and then become unordered orbit from orderly fixed orbit, hot-blast homogeneity in the cavity has been improved, the culinary property to food such as cookies has been improved.

For the top cover plate, the top cover plate is provided with the flow guide assembly 200, and the flow guide assembly 200 has the function of shunting and guiding hot air exhausted by the top cover plate, so when the hot air enters the top cover plate from the back cover plate 400 and is then exhausted into the cavity of the oven from the top cover plate, the hot air firstly passes through the flow guide assembly 200 to form a shunting wire effect. If the hot air in the top cover plate directly enters the oven cavity without being shunted, the hot air is relatively complete when flowing into the oven cavity from the stage that the hot air flows from the top cover plate 400 to the oven cavity, the flowing track of the hot air mainly faces the oven cavity, and the hot air is in a direct-blowing state with a fixed track.

And set up behind the water conservancy diversion subassembly 200, because water conservancy diversion subassembly 200 can form reposition of redundant personnel and direction to steam, so steam is broken up when entering into oven inner chamber, and steam can change its flow direction through water conservancy diversion subassembly 200 in addition, for example, steam in fact can the slope get into oven inner chamber, directly hits the inner wall to the oven to make the air current more violent or disorderly after the collision, this kind of disorder in fact can make the air current flow range in oven inner chamber wider.

Further, as for the structure of the flow guide assembly 200, referring to fig. 6 to 17, the flow guide assembly 200 includes a frame 210, and the frame 210 is disposed at the first outlet 120; the guide assembly 200 further includes a vane 220 disposed at an inner circumference of the frame 210 and disposed to be inclined with respect to the frame 210. At this time, the vane 220 may perform a function of guiding flow, and the frame 210 may perform a supporting function on the vane 220, the frame 210 may form the flow guiding assembly 200 integrally with the vane 220, and the frame 210 is configured to be installed opposite to the top cover plate, thereby indirectly installing the vane 220 on the top cover plate, which may facilitate the integral installation and removal of the flow guiding assembly 200. The inclination angle of the vane 220 may be fixed or unfixed, and when the vane 220 is fixed, the flow guiding angle of the flow guiding assembly 200 formed by the vane 220 and the frame 210 is also fixed, so that a user can select different specifications and different flow guiding angles of the flow guiding assembly 200 to replace according to requirements, so as to meet the baking requirements, and the flow guiding assembly 200 integrally formed by the frame 210 and the vane 220 is also convenient for the replacement.

Further, for specific structures of the frame 210 and the vane 220, the frame 210 may be specifically disposed according to the shape of the first outlet 120 to facilitate relative assembly with the first outlet 120, and the vane 220 may have any structural shape as required, for example, the vane 220 may be circular, square, triangular, etc., as long as the vane 220 can provide a good flow guiding effect, which is not limited herein. In one embodiment, the frame 210 is a rectangular frame 210, the vanes 220 are rectangular vanes 220, and a plurality of the rectangular vanes 220 are uniformly arranged at an inner ring of the rectangular frame 210 and have the same inclination angle with respect to the rectangular frame 210. At this time, the plurality of rectangular blades 220 may form a louver structure, and the rectangular frame 210 may also be relatively assembled in a shape matching the rectangular blades 220, at this time, the first outlet 120 may also be set to be rectangular, and since the first outlet 120 is an outlet for applying hot air to the oven cavity, the area of the first outlet 120 may also be set to be larger according to needs in order to uniformly supply air over a large area, for example, the opening area of the first outlet 120 occupies at least 75% of the area of the bottom surface of the cover plate case 100, or the size of the first outlet 120 may also be set according to other proportions, once the first outlet 120 is larger, hot air may be supplied to the oven cavity over a large area, and is not placed to concentrate the hot air together, which may cause a heat supply blind area after the hot air in the oven is too concentrated.

Besides, when the blade 220 of the flow guide assembly 200 is not fixed, the flow guide direction of the flow guide assembly 200 can be adjusted by rotating the angle of the blade 220 by a user, especially when the angle of the blade 220 is adjusted in the operation process of the oven, the hot air can enter the inner cavity of the oven along with the hot air, the entering direction of the hot air is changed at any time, the entering direction of the hot air can be changed, the hot air entering the inner cavity of the oven can be stirred by the rotation of the blade 220 according to a preset plan, and the disorder effect of the hot air is improved in the process of dynamically changing the entering direction of the hot air.

Further, for the structure that the vane 220 is not fixed, in addition to changing the angle of the vane 220 manually, the angle of the vane 220 may also be changed in an automatic control manner, and in this case, in cooperation with the airflow guiding assembly 200, the structure further includes a driving assembly 300, wherein the vane 220 is rotatably disposed at an inner ring of the frame 210, and the driving assembly 300 is in driving connection with the vane 220 and is used for adjusting the inclination angle of the vane 220 relative to the frame 210. Therefore, when the driving assembly 300 drives the blades 220 to rotate, the angle of the blades 220 can be changed according to requirements, so as to adjust the direction of the guide assembly 200 to the hot gas.

Further, the driving assembly 300 may adopt various structures, and when being assembled with the airflow guiding assembly 200, the structure may be changed correspondingly to adapt to the assembly between the driving assembly 300 and the airflow guiding assembly 200, for example, the driving assembly 300 may adopt a corresponding driving structure such as a slider assembly, a worm and gear assembly, etc., as long as the driving assembly 300 and the airflow guiding assembly 200 can realize driving rotation of the vanes 220 when being assembled, for example, the driving assembly 300 includes a worm, and the worm is in driving connection with the vanes 220; the driving assembly 300 further comprises a worm wheel which is in driving connection with the worm; the drive assembly 300 further comprises a motor 310, the motor 310 being in driving connection with the turbine. At this moment, the motor 310 can drive the turbine to rotate, then the turbine indirectly drives the worm to rotate, the worm is utilized to drive the plurality of blades 220 to rotate, the angle of the blades 220 can be adjusted, and in addition, the rotation in a timing and reciprocating mode can be realized by the automatic control of the rotation of the blades 220, so that the flow direction of hot gas can be changed by the blades 220, the continuous swing of the blades 220 can be utilized to stir the hot gas, and the hot gas turbulence effect is improved.

Further, for the installation of the driving assembly 300, the motor 310 may be installed at any position on the oven, as long as the output end of the motor 310 can form a driving assembly with the worm gear and the worm, in order to make the structure compact, the motor 310 may be actually directly installed on the top cover plate, i.e. the cover plate shell 100, at this time, in cooperation with the motor 310, the driving assembly 300 further includes a motor bracket 320 for being disposed on the cooking appliance 001, the motor 310 is disposed on the motor bracket 320, and the motor 310 may utilize the motor bracket 320 as a supporting structure at this time, which is more convenient for the installation of the motor 310.

Further, the first inlet 110 is located at a side of the shroud shell 100, and the first outlet 120 is located at a bottom of the shroud shell 100; and/or the presence of a gas in the gas,

further, for the top cover plate, the top cover plate can be used for carrying out secondary heating on hot air besides being used as a hot air guide structure of the back cover plate 400, and also can be used for heating the hot air, so that the top cover plate further comprises a heating element, and the heating element is arranged in the first cavity. After the back cover plate 400 conveys hot gas to the top cover plate, if the top cover plate is not provided with a heating element, the hot gas can only take the top cover plate as a hot gas guide structure, the hot gas enters the inner cavity of the oven after the flow direction of the hot gas is changed by the top cover plate, the guide function formed after the top cover plate is connected with the back cover plate 400 is utilized, the baking effect is improved by changing the flow track of the hot gas, however, because the top cover plate is not provided with the heating element, the hot gas can form certain heat loss through the top cover plate, but if the heating element is added on the top cover plate, the hot gas comes out of the back cover plate 400, secondary heating can be carried out when the hot gas passes through the top cover plate, the hot gas can be ensured to have enough heat, the heat degree of the hot gas entering the inner cavity of the oven is kept, and the baking effect is improved from the heat loss angle.

As shown in fig. 18-20, the present application further provides an air duct assembly including the roof panel; the duct assembly further includes a back plate 400 having a second cavity; the back cover plate 400 is provided with a second inlet 410 and a second outlet 420 communicating with the second cavity, and the second outlet 420 is communicated with the first inlet 110. At this time, the back cover plate 400 and the top cover plate are installed to each other at an angle, which may be set according to the actual structure of the oven, for example, the back cover plate 400 and the top cover plate are assembled to be perpendicular to each other. When back shroud 400 and top shroud install respectively at cooking utensil 001, like the top and the back of oven, back shroud 400 can be at its second cavity internal air heating, thereby form steam, this steam can get into first import 110 through second export 420, enter into first cavity through first import 110, the inner chamber that enters into the oven through first export 120 again, this directly compares to the oven inner chamber at the back with alone, steam can pass through curved flow path, and then become unordered disorder orbit from orderly fixed orbit, hot-blast homogeneity in the cavity has been improved, the culinary art performance of food such as cookies has been improved. Since the detailed structure, functional principle and technical effect of the roof plate are described in detail in the foregoing, detailed description is omitted here. Reference is made to the above description for any technical details relating to the roof plate.

As shown in fig. 21 and 22, the present application also provides a cooking appliance 001 including the air duct assembly. Since the specific structure, functional principle and technical effect of the top cover plate and the air duct assembly are all detailed in the foregoing, detailed description is omitted here. The cooking appliance 001 may include a household appliance having baking and heating functions, such as an oven and a microwave oven, and the specific product of the cooking appliance 001 is not limited herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A top cover plate for a cooking appliance, comprising:

a shroud shell having a first cavity; the cover plate shell is provided with a first inlet and a first outlet which are communicated with the first cavity;

and the flow guide assembly is arranged at the first outlet, is obliquely arranged relative to the first outlet and is used for changing the direction of the airflow outlet of the first outlet.

2. The dome plate of claim 1, wherein the flow guide assembly comprises:

a frame disposed at the first outlet;

and the blades are arranged on the inner ring of the frame and are obliquely arranged relative to the frame.

3. The tip shroud plate of claim 2, wherein said frame is a rectangular frame, said blades are rectangular blades, and a plurality of said rectangular blades are uniformly arranged at an inner periphery of said rectangular frame at the same inclination angle with respect to said rectangular frame.

4. The canopy plate of claim 2, further comprising:

the blade is rotatably arranged on the inner ring of the frame, and the driving assembly is in driving connection with the blade and is used for adjusting the inclination angle of the blade relative to the frame.

5. The roof panel of claim 4, wherein the drive assembly comprises:

a worm in driving connection with a plurality of said vanes;

the worm wheel is in driving connection with the worm;

and the motor is in driving connection with the turbine.

6. The roof panel of claim 5, wherein the drive assembly further comprises:

and the motor support is used for being arranged on the cooking utensil, and the motor is arranged on the motor support.

7. The tip shroud plate of any one of claims 1-6, wherein the first inlet is located at a side edge of the shroud shell and the first outlet is located at a bottom surface of the shroud shell; and/or the opening area of the first outlet accounts for at least 75% of the area of the bottom surface of the cover plate shell.

8. The canopy plate of any of claims 1-6, further comprising:

a heating element disposed within the first cavity.

9. An air duct assembly, comprising:

the top cover panel of any one of claims 1-8;

a back cover plate having a second cavity; and a second inlet and a second outlet which are communicated with the second cavity are formed in the back cover plate, and the second outlet is communicated with the first inlet.

10. A cooking appliance comprising the air duct assembly of claim 9.

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