CN215808651U - Air duct structure and integrated stove - Google Patents

Abstract

The utility model provides an air duct structure and an integrated stove. The air channel structure comprises a smoke collection assembly, a smoke exhaust assembly and a foaming layer, wherein the smoke collection assembly is arranged in a surrounding manner to form a smoke collection cavity with a smoke collection cavity inlet, the smoke exhaust assembly is arranged below the smoke collection assembly in a surrounding manner to form a smoke exhaust cavity with a smoke exhaust cavity outlet, and the smoke exhaust cavity is communicated with the smoke collection cavity; the foaming layer is coated on the peripheries of the smoke collection assembly and the smoke exhaust assembly, a first opening is formed in the foaming layer corresponding to the smoke collection cavity inlet, and a second opening is formed in the foaming layer corresponding to the smoke exhaust cavity outlet. The whole foaming layer is arranged on the periphery of the smoke exhaust assembly and the smoke collection assembly, and gaps existing at the joint of the smoke collection assembly and the smoke exhaust assembly are plugged through the foaming layer, so that the sealing of an air duct system is completed, and the rigidity strength of an air duct structure is enhanced.

Description

Air duct structure and integrated stove

Technical Field

The utility model relates to the field of kitchen utensils, in particular to an air duct structure and an integrated stove.

Background

The integrated cooker is also called as an environment-friendly cooker or an integrated environment-friendly cooker, is a kitchen appliance integrating multiple functions of a range hood, a gas stove, a disinfection cabinet, a storage cabinet and the like, and has the advantages of space saving, good oil fume extraction effect, energy saving, low consumption, environment friendliness and the like. The oil absorption rate of a common integrated stove reaches 95%, the higher the oil smoke absorption rate is, and the better the quality is.

The air duct system of the integrated stove in the prior art has the following three modes: the first is to seal the air duct system by intensive spot welding or butt welding with sheet metal material; the second is welding and beating silicon copper glue to seal the air duct system; and the third method is to seal the air duct system by riveting and pressing the sheet metal part and the sheet metal part. The three schemes have the problems of air leakage deformation, large processing difficulty, high labor cost, unstable quality and the like due to more welding or incomplete sealing, and cannot be produced in large scale, so that the daily production capacity of the integrated cooker is low, the product cost is high, and the processing and mounting process of the air duct system is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air duct structure, wherein the outer peripheries of a smoke exhaust assembly and a smoke collection assembly of the air duct structure are provided with an integral foaming layer, and a gap existing at the joint of the smoke collection assembly and the smoke exhaust assembly is sealed by the foaming layer, so that the sealing of an air duct system is completed, and the rigidity strength of the air duct structure is enhanced.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

according to one aspect of the utility model, an air channel structure is provided, which comprises a smoke collection component, a smoke exhaust component and a foaming layer, wherein the smoke collection component is arranged to surround a smoke collection cavity with a smoke collection cavity inlet; the foaming layer is coated on the peripheries of the smoke collection assembly and the smoke exhaust assembly, a first opening is formed in the foaming layer corresponding to the smoke collection cavity inlet, and a second opening is formed in the foaming layer corresponding to the smoke exhaust cavity outlet.

According to an embodiment of the present invention, the smoke collection assembly includes a first side plate, a second side plate and a connecting plate, and the connecting plate connects the first side plate and the second side plate to form the smoke collection cavity.

According to an embodiment of the present invention, the smoke collection assembly further includes a fan and a first bracket for fixing the fan, the first bracket is disposed in the smoke collection cavity, one end of the first bracket is connected to the first side plate, and the other end of the first bracket is connected to the second side plate.

According to an embodiment of the present invention, the smoke collection assembly further includes a smoke collection cover plate disposed at the top of the smoke collection cavity, one side of the smoke collection cover plate is connected to the first side plate, and a gap is disposed between the other side of the smoke collection cover plate and the second side plate.

According to an embodiment of the utility model, the smoke collection assembly further comprises a second bracket for connecting the second side plate and the smoke collection cover plate.

According to an embodiment of the present invention, the connecting plate includes a third side plate, a smoke collection bottom plate and a fourth side plate integrally formed in sequence to connect the first side plate and the second side plate, and the smoke collection bottom plate is connected to the smoke evacuation assembly.

According to an embodiment of the present invention, the smoke collection bottom plate is provided with a smoke collection cavity outlet, so that smoke enters the smoke discharge cavity from the smoke collection cavity.

According to an embodiment of the utility model, the smoke exhaust assembly comprises a smoke exhaust top plate and a smoke exhaust surrounding plate, the cross section of the smoke exhaust surrounding plate is concave, the smoke exhaust surrounding plate is connected with the smoke exhaust top plate to surround the smoke exhaust cavity with smoke exhaust cavity outlets at two ends, and the smoke exhaust top plate is connected with the smoke collection assembly.

According to an embodiment of the present invention, a smoke exhaust cavity inlet is disposed on the smoke exhaust top plate, so that smoke enters the smoke exhaust cavity from the smoke collection cavity.

According to another aspect of the present invention, there is provided an integrated cooker. Integrated kitchen includes aforementioned wind channel structure and integrated kitchen main part, the upper portion of integrated kitchen main part is provided with the subassembly that induced drafts, induced draft the subassembly enclose establish form with the chamber that induced drafts of collection smoke chamber intercommunication, collection smoke subassembly the subassembly of discharging fume with the foaming layer all set up in the lower part of integrated kitchen main part, integrated kitchen exhaust port has been seted up to the lateral wall of integrated kitchen main part, so that the chamber of discharging fume passes integrated kitchen exhaust port and the pipe intercommunication of discharging fume.

One embodiment of the present invention has the following advantages or benefits:

according to the utility model, the foaming layer of the air channel structure is arranged on the peripheral surfaces of the smoke collection assembly and the smoke exhaust assembly in a surrounding manner, and the foaming layer is of an integral structure, so that the smoke collection assembly and the smoke exhaust assembly are not required to be sealed in a welding or gluing manner, the installation process is simplified compared with a dense welding or gluing manner, and the manual operation is reduced. On the other hand is because the foaming layer is made for expanded material, directly will gather the cigarette subassembly and discharge fume the subassembly and fix with the foaming layer respectively, guarantees the easy cleanability of foaming layer inside wall, can also reduce the function of fan noise simultaneously by a wide margin, promotes the core technical parameter noise index of product.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 is a perspective view of a wind tunnel structure shown according to an exemplary embodiment.

FIG. 2 is an exploded view of a smoke collection assembly of a duct structure according to an exemplary embodiment.

FIG. 3 is an exploded view of a smoke evacuation assembly of an air duct structure according to an exemplary embodiment.

FIG. 4 is a schematic view of a foam layer of a duct structure according to an exemplary embodiment.

FIG. 5 is a cross-sectional view of a duct structure taken along line A-A of FIG. 1, according to an exemplary embodiment.

Fig. 6 is a schematic view of an integrated cooker according to an exemplary embodiment.

Wherein the reference numerals are as follows:

1. a smoke collection assembly; 11. a smoke collection cavity; 111. an inlet of the smoke collection cavity; 12. a first side plate; 13. a second side plate; 14. a connecting plate; 141. a third side plate; 142. a smoke collection bottom plate; 1421. an outlet of the smoke collection cavity; 143. a fourth side plate; 15. a first bracket; 16. a smoke collection cover plate; 17. a second bracket; 18. a fan; 2. a smoke evacuation assembly; 21. a smoke exhaust cavity; 211. an outlet of the smoke exhaust cavity; 22. a smoke exhaust top plate; 221. an inlet of the smoke exhaust cavity; 23. a smoke exhaust coaming plate; 3. a foamed layer; 31. a first opening; 32. a second opening; 5. an integrated cooker main body; 51. an air suction assembly; 52. an integrated stove smoke vent.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1 to 3, fig. 1 is a perspective view illustrating an air duct structure according to the present invention. Fig. 2 shows an exploded view of the smoke collection assembly 1 of a duct structure provided by the present invention. Fig. 3 shows an exploded view of the smoke evacuation assembly 2 of an air duct structure provided by the present invention. Fig. 4 shows a schematic diagram of a foaming layer 3 of an air duct structure provided by the utility model. FIG. 5 is a cross-sectional view of an air duct structure provided by the present invention taken along line A-A of FIG. 1. Fig. 6 shows a schematic view of an integrated cooker provided by the present invention.

The air channel structure comprises a smoke collection assembly 1, a smoke exhaust assembly 2 and a foaming layer 3, wherein the smoke collection assembly 1 is surrounded to form a smoke collection cavity 11 with a smoke collection cavity inlet 111 at the top, the smoke exhaust assembly 2 is arranged below the smoke collection assembly 1 and is surrounded to form a smoke exhaust cavity 21 with smoke exhaust cavity outlets 211 at two ends, and the smoke exhaust cavity 21 is communicated with the smoke collection cavity 11; the foaming layer 3 is coated on the peripheries of the smoke collection component 1 and the smoke exhaust component 2, a first opening 31 corresponding to the smoke collection cavity inlet 111 is formed in the top of the foaming layer 3, and a second opening 32 corresponding to the smoke exhaust cavity outlet 211 is formed in the lower portion of the foaming layer 3.

The foaming layer 3 forms a cavity structure, the upper end of the foaming layer is provided with a first opening 31, the lower end of the foaming layer is provided with a second opening 32, the smoke exhaust component 2 is fixed in the foaming layer 3, gaps among the smoke exhaust components 2 are plugged by the foaming layer 3, and gaps between the smoke exhaust components 2 which leak air are completely and automatically filled, so that the aim of 100% air leakage prevention is fulfilled. The sealing performance of the smoke exhaust cavity 21 is improved, the smoke collection assembly 1 and the smoke exhaust assembly 2 are fixed, meanwhile, the smoke collection assembly 1 and the foaming layer 3 are fixed, gaps at the joints of the smoke collection assembly 1 are plugged by the foaming layer 3, gaps between the smoke collection assembly 1 and air leakage are filled automatically, and the purpose of 100% air leakage prevention is achieved. Increase the leakproofness of collection cigarette chamber 11, collection cigarette subassembly 1 and subassembly 2 of discharging fume need not to seal through intensive welding or the mode of beating to glue again. The smoke collection component 1 can be formed by putting foaming materials into a mold in advance to form a foaming layer 3, and then the smoke collection component 1 and the smoke exhaust component 2 are installed in the foaming layer 3 one by one, or the foaming layer 3 is directly made of the foaming materials on the surface after the smoke collection component 1 and the smoke exhaust component 2 are installed, so that the foaming layer can only block local gaps of the smoke collection component 1 and the smoke exhaust component 2.

Preferably, the foaming layer 3 is made of a foaming material, the foaming material is prepared by mixing and foaming food-grade polyethylene black material and white material with the fire-proof grade of V0, and the foaming material has the characteristics of fire resistance, high temperature resistance, cold resistance, food grade and the like.

In a preferred embodiment of the present invention, smoke collection assembly 1 comprises a first side plate 12, a second side plate 13 and a connecting plate 14, wherein the top of first side plate 12 and the top of second side plate 13 are spaced to form a smoke collection chamber inlet 111, and connecting plate 14 connects first side plate 12 and second side plate 13 to form smoke collection chamber 11.

As shown in fig. 1 and 2, the first side plate 12 and the second side plate 13 are arranged in parallel, so that the top edge of the first side plate 12 and the top edge of the second side plate 13 are separated by a certain distance, the connecting plate 14 is arranged between the first side plate 12 and the second side plate 13 and is used for connecting the first side plate 12 and the second side plate 13, one side edge of the connecting plate 14 extends along the left side edge, the bottom edge and the right side edge of the first side plate 12, and the other side edge of the connecting plate 14 extends along the left side edge, the bottom edge and the right side edge of the second side plate 13 to form two side walls and a bottom wall of the smoke collection cavity 11, thereby forming the smoke collection cavity 11 with an open upper end.

In a preferred embodiment of the present invention, the smoke collection assembly 1 further comprises a fan 18 and a first bracket 15 for fixing the fan 18, wherein the first bracket 15 is arranged in the smoke collection chamber 11, and has one end connected with the first side plate 12 and the other end connected with the second side plate 13.

As shown in fig. 1 and fig. 2, one end of the first bracket 15 is fixedly connected to the first side plate 12, and the other end is fixedly connected to the second side plate 13, for supporting the first side plate 12 and the second side plate 13, because the peripheral edges of the first side plate 12 and the second side plate 13 are fixedly connected through the connecting plate 14, the first bracket 15 is disposed in the smoke collection cavity 11, and the middle position of the first side plate 12 and the middle position of the second side plate 13 are fixedly connected for supporting, so as to reduce the deformation of the first side plate 12 and the second side plate 13, and at the same time, the fan 18 can be fixedly connected to the smoke collection cavity 11.

Preferably, the two first brackets 15 are respectively disposed at the left and right portions in the smoke collecting cavity 11, and support the left and right sides of the first side plate 12 and the second side plate 13 while fixing the fan 18.

In a preferred embodiment of the present invention, the smoke collection assembly 1 further comprises a smoke collection cover 16 disposed on top of the smoke collection chamber 11, one side of the smoke collection cover 16 is connected to the first side plate 12, and a gap is disposed between the other side and the second side plate 13 to form a smoke collection chamber inlet 111.

As shown in fig. 1 and 2, three sides of the smoke collection cover 16 are respectively connected to the first side plate 12, the third side plate 141 and the fourth side plate 143, and the other side forms a gap with the second side plate 13, which is the smoke collection cavity inlet 111, to ensure that the smoke in the maximum range enters the smoke collection cavity 11 through the negative pressure effect of the fan 18 in the smoke collection cavity 11.

In a preferred embodiment of the utility model, the smoke collection assembly 1 further comprises a second bracket 17 to connect the second side plate 13 and the smoke collection cover 16.

As shown in fig. 1 and 2, the second bracket 17 connects the second side plate 13 and the smoke collection cover plate 16, which increases the connection strength between the smoke collection cover plate 16 and the second side plate 13, and simultaneously ensures that smoke can enter the smoke collection cavity 11 through the smoke collection cavity inlet 111.

Preferably, the number of the second brackets 17 is two, and two second brackets 17 are arranged between the smoke collection cover plate 16 and the second side plate 13 at intervals.

In a preferred embodiment of the present invention, the connecting plate 14 includes a third side plate 141, a smoke collection bottom plate 142 and a fourth side plate 143 integrally formed in sequence to connect the first side plate 12 and the second side plate 13, the third side plate 141 is connected to a side wall of the foam layer 3, the fourth side plate 143 is connected to a side wall of the foam layer 3, and the smoke collection bottom plate 142 is connected to the smoke evacuation assembly 2.

As shown in fig. 1 and 2, the third side plate 141 is connected to the left side of the first side plate 12 and the left side of the second side plate 13, and the fourth side plate 143 is connected to the right side of the first side plate 12 and the right side of the second side plate 13, so that the first side plate 12, the third side plate 141, the second side plate 13, and the fourth side plate 143 are sequentially connected to form four side walls of the smoke collection chamber 11, and the four sides of the smoke collection bottom plate 142 are respectively connected to the bottom edge of the first side plate 12, the bottom edge of the third side plate 141, the bottom edge of the second side plate 13, and the bottom edge of the fourth side plate 143 to form the bottom wall of the smoke collection chamber 11, and meanwhile, the third side plate 141 and the fourth side plate 143 are both fixed to the foam layer 3, thereby increasing the strength of the air duct structure, and simultaneously, the gaps at the joints between the foam layer 3 plates are sealed, thereby increasing the sealing performance of the smoke collection chamber 11.

In a preferred embodiment of the present invention, a smoke collection chamber outlet 1421 is provided on the smoke collection base 142 to allow smoke to enter the smoke discharge chamber 21 from the smoke collection chamber 11.

As shown in fig. 2, the smoke collection bottom plate 142 is provided with the smoke collection cavity outlet 1421, which can fixedly connect the circumferential edge of the smoke collection bottom plate 142 with the smoke exhaust component 2, thereby increasing the connection strength and rigidity of the smoke collection component 1 and the smoke exhaust component 2.

In a preferred embodiment of the present invention, the smoke exhausting assembly 2 comprises a smoke exhausting top plate 22 and a smoke exhausting surrounding plate 23, the cross section of the smoke exhausting surrounding plate 23 is in a concave shape, the smoke exhausting surrounding plate 23 is connected with the smoke exhausting top plate 22 to surround and form a smoke exhausting cavity 21 with smoke exhausting cavity outlets 211 at two ends, and the smoke exhausting top plate 22 is connected with the smoke collecting assembly 1.

As shown in fig. 1 and 3, the cross section of the smoke exhausting surrounding plate 23 is concave, three sides with square cross section are provided, the smoke exhausting top plate 22 provides one side with square cross section, after the smoke exhausting surrounding plate 23 and the smoke exhausting top plate 22 are connected, a smoke exhausting cavity 21 with square cross section is formed in a surrounding mode, smoke exhausting cavity outlets 211 are arranged at two ends of the smoke exhausting cavity 21, and smoke exhausting can be carried out through one of the smoke exhausting cavity outlets 211 selectively by arranging the smoke guiding plate in the smoke exhausting cavity 21.

In a preferred embodiment of the present invention, the smoke evacuation ceiling 22 is provided with a smoke evacuation chamber inlet 221 for allowing smoke to enter the smoke evacuation chamber 21 from the smoke collection chamber 11.

As shown in fig. 1 and 3, the smoke exhaust cavity inlet 221 is disposed on the smoke exhaust ceiling 22, so that the peripheral edge of the smoke exhaust ceiling 22 is fixed to the smoke collection bottom plate 142 and the smoke exhaust surrounding plate 23, and the connection strength and rigidity are increased.

Preferably, the inlet 221 of the smoke exhaust cavity and the outlet 1421 of the smoke exhaust cavity are correspondingly arranged, the outlet 1421 of the smoke collection cavity is arranged on the smoke collection bottom plate 142, the inlet 221 of the smoke exhaust cavity is arranged on the smoke exhaust top plate 22, and after the smoke collection bottom plate 142 and the smoke exhaust top plate 22 are fixedly connected, the connection strength and rigidity of the smoke collection assembly 1 and the smoke exhaust assembly 2 are increased, and meanwhile, smoke can sequentially pass through the outlet 1421 of the smoke collection cavity and the inlet 221 of the smoke exhaust cavity from the smoke collection cavity 11 to enter the smoke exhaust cavity 21.

According to the utility model, the foaming layer 3 of the air channel structure is arranged on the peripheral surfaces of the smoke collection assembly 1 and the smoke exhaust assembly 2 in a surrounding manner, and the foaming layer 3 is of an integral structure, so that the smoke collection assembly 1 and the smoke exhaust assembly 2 are not required to be sealed in a welding or gluing manner, and the smoke collection assembly 1 and the smoke exhaust assembly 2 are directly fixed with the foaming layer 3, therefore, compared with the manner of intensive welding or gluing, the installation process is simplified, and the manual operation is reduced. On the other hand, because foaming layer 3 is made for expanded material, directly will gather cigarette subassembly 1 and discharge fume subassembly 2 and fix with foaming layer 3 respectively, guarantee the easy cleanability of foaming layer 3 inside wall, can also reduce the function of 18 noises of fan simultaneously by a wide margin, promote the core technical parameter noise index of product.

The integrated cooker comprises the air channel structure and an integrated cooker main body 5, wherein an air suction assembly 51 is arranged at the upper part of the integrated cooker main body 5, the air suction assembly 51 is surrounded to form an air suction cavity communicated with the smoke collection cavity 11, the smoke collection assembly 1, the smoke exhaust assembly 2 and the foaming layer 3 are all arranged at the lower part of the integrated cooker main body 5, and an integrated cooker smoke exhaust port 52 is formed in the side wall of the integrated cooker main body 5, so that the smoke exhaust cavity 21 penetrates through the integrated cooker smoke exhaust port 52 to be communicated with a smoke exhaust pipe.

As shown in fig. 5, an air suction assembly 51 is disposed on the upper portion of the integrated cooker main body 5, and is used for collecting the flue gas generated during cooking into the air suction cavity, sequentially entering the smoke collection cavity 11 and the smoke discharge cavity 21, and finally entering the smoke discharge pipe through the smoke discharge port 52 of the integrated cooker. Because smoke exhausting cavity 21 has two smoke exhausting cavity outlets 211, correspond integrated kitchen exhaust port 52 that is provided with respectively to the integrated kitchen main part 5 left and right sides, can select the flue gas to be discharged by the left side or the right side of integrated kitchen main part 5 through set up smoke guide plate in smoke exhausting cavity 21, increased the alternative of integrated kitchen main part 5.

The integrated cooker of the present invention includes an air duct structure and an integrated cooker body 5. The air channel structure is arranged in the inner cavity at the lower part of the integrated stove main body 5, the air suction cavity, the smoke collection cavity 11 and the smoke exhaust cavity 21 are communicated in sequence, when the suction assembly 51 sucks the smoke generated by cooking into the suction chamber, the smoke flows down along the air channel structure by the suction action of the fan 18 disposed inside the smoke collecting chamber 11, because the smoke has oil stain, the smoke collecting component 1 and the smoke discharging component 2 are arranged in the foaming layer 3, the oil stain can be prevented from being attached to the inner side wall of the foaming layer 3 to increase the cleaning difficulty, meanwhile, the smoke collecting component 1 and the smoke discharging component 2 can increase the strength and rigidity of the foaming layer 3, the foaming layer 3 seals the gap between the smoke collecting component 1 and the smoke discharging component 2, the smoke collecting component 1 and the smoke discharging component 2 are complementary, manual operation is reduced, the installation process is simplified, a quick and full-sealing structure is realized, meanwhile, the function of reducing the noise of the fan 18 can be greatly reduced, and the core technical parameter noise index of the product is improved.

In embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the appearances of the phrase "one embodiment," "a preferred embodiment," or the like, are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present embodiment by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims (10)

1. An air duct structure, comprising:

the smoke collection assembly (1), the smoke collection assembly (1) is arranged in a surrounding mode to form a smoke collection cavity (11) with a smoke collection cavity inlet (111);

the smoke exhaust assembly (2) is arranged below the smoke collection assembly (1) and is surrounded with a smoke exhaust cavity (21) with a smoke exhaust cavity outlet (211), and the smoke exhaust cavity (21) is communicated with the smoke collection cavity (11); and

the foaming layer (3) is wrapped on the peripheries of the smoke collection assembly (1) and the smoke exhaust assembly (2), a first opening (31) is formed in the foaming layer (3) corresponding to the smoke collection cavity inlet (111), and a second opening (32) is formed in the foaming layer (3) corresponding to the smoke exhaust cavity outlet (211).

2. The air duct structure according to claim 1, characterized in that the fume collecting assembly (1) comprises a first side plate (12), a second side plate (13) and a connecting plate (14), the connecting plate (14) connecting the first side plate (12) and the second side plate (13) to form the fume collecting chamber (11).

3. The air duct structure according to claim 2, characterized in that the smoke collection assembly (1) further comprises a fan (18) and a first bracket (15) for fixing the fan (18), the first bracket (15) is arranged in the smoke collection cavity (11), one end of the first bracket is connected with the first side plate (12), and the other end of the first bracket is connected with the second side plate (13).

4. The air duct structure according to claim 2, characterized in that the smoke collection assembly (1) further comprises a smoke collection cover plate (16) arranged at the top of the smoke collection cavity (11), one side of the smoke collection cover plate (16) is connected with the first side plate (12), and a gap is arranged between the other side and the second side plate (13).

5. The air duct structure according to claim 4, characterized in that the fume collecting assembly (1) further comprises a second bracket (17) to connect the second side plate (13) and the fume collecting cover plate (16).

6. The air duct structure according to claim 2, characterized in that the connecting plate (14) comprises a third side plate (141), a smoke collection bottom plate (142) and a fourth side plate (143) which are integrally formed in sequence to connect the first side plate (12) and the second side plate (13), the smoke collection bottom plate (142) being connected with the smoke evacuation assembly (2).

7. The air duct structure according to claim 6, characterized in that the smoke collection bottom plate (142) is provided with a smoke collection cavity outlet (1421) so that the smoke enters the smoke discharge cavity (21) from the smoke collection cavity (11).

8. The air duct structure according to claim 1, characterized in that the smoke exhausting assembly (2) comprises a smoke exhausting top plate (22) and a smoke exhausting surrounding plate (23), the cross section of the smoke exhausting surrounding plate (23) is concave, the smoke exhausting surrounding plate (23) is connected with the smoke exhausting top plate (22) to surround the smoke exhausting cavity (21) with the smoke exhausting cavity outlet (211) at two ends, and the smoke exhausting top plate (22) is connected with the smoke collecting assembly (1).

9. An air duct structure according to claim 8, characterized in that the smoke exhaust top plate (22) is provided with a smoke exhaust cavity inlet (221) so that smoke enters the smoke exhaust cavity (21) from the smoke collection cavity (11).

10. An integrated cooker, characterized by comprising:

the air duct structure of any one of the preceding claims; and

integrated kitchen main part (5), the upper portion of integrated kitchen main part (5) is provided with subassembly (51) that induced drafts, induced draft subassembly (51) enclose establish form with the chamber that induced drafts of collection smoke chamber (11) intercommunication, collection smoke subassembly (1) discharge fume subassembly (2) with foaming layer (3) all set up in the lower part of integrated kitchen main part (5), integrated kitchen exhaust port (52) have been seted up to the lateral wall of integrated kitchen main part (5), so that chamber (21) of discharging fume passes integrated kitchen exhaust port (52) and the pipe intercommunication of discharging fume.

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