Range hood

Abstract

The utility model relates to a range hood, which comprises a fan frame, the exhaust fume collecting hood is positioned at the bottom of the fan frame; the connecting coaming is connected between the bottom of the fan frame and the top of the exhaust fume collecting hood, the area of an upper port of the connecting coaming is larger than that of a lower port of the connecting coaming, the upper port of the connecting coaming is connected with a bottom port of the fan frame, and the lower port of the connecting coaming is connected with a top port of the exhaust fume collecting hood; the fan outer cover covers the front side, the left side and the right side of a combined body formed by connecting the fan frame and the connecting surrounding plate, and the front side wall of the fan outer cover is flush with the front side wall of the exhaust fume collecting hood. The range hood has the advantages that the reliability of connection between the fan frame and the exhaust fume collecting hood can be ensured on the basis of improving the appearance delicacy of the body of the range hood.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen appliance technical field especially, relates to a kind of range hood. BACKGROUND

[0002] Range hood is a kind of kitchen appliance that purifies kitchen environment.The machine body of range hood usually includes fan frame and fume collecting hood connected at the bottom of fan frame, in order to ensure the connecting strength between the two, fan frame and fume collecting hood usually have large step difference in front-back direction, that is, the front side wall of fan frame is designed backward relative to the front side wall (usually operating panel) of fume collecting hood, but from side, the machine body with the above step difference structure design affects the appearance delicacy of product, such as the application number CN202220194979.0 (authorized announcement number: CN217004603U) China utility model patent application discloses such range hood structure.Therefore, how to improve the appearance delicacy of machine body of range hood on the basis of ensuring the reliability of connection between fan frame and fume collecting hood becomes the technical problem that the technical personnel in the prior art urgently solve. SUMMARY

[0003] The utility model solves the technical problem that the utility model wants to solve is according to the present situation of prior art, provide a kind of range hood, which can improve the appearance delicacy of machine body of range hood on the basis of ensuring the reliability of connection between fan frame and fume collecting hood.

[0004] The technical scheme that the utility model solves above-mentioned technical problem is as follows: a kind of range hood, comprising:

[0005] Fan frame;

[0006] Fume collecting hood, located at the bottom of the fan frame;

[0007] It is characterized in that further comprising:

[0008] Connecting fence, connected between the bottom of the fan frame and the top of fume collecting hood, the area of the upper port of the connecting fence is greater than the area of the lower port, the upper port of the connecting fence is connected with the bottom port of the fan frame, and the lower port is connected with the top port of the fume collecting hood;

[0009] Fan cover, cover is set in the front side and left and right sides of the combination formed by the fan frame and connecting fence connection, wherein, the front side wall of the fan cover is flush with the front side wall of the fume collecting hood.

[0010] The "flush" in the "flush" of the front side wall of fan cover and the front side wall of fume collecting hood should be understood as that the front side wall of fan cover and the front side wall of fume collecting hood have no obvious step difference or misplacement in front-back direction, and the spacing between the two in front-back direction is generally not more than 5mm.

[0011] In order to construct the connecting fence structure and avoid the interference problem of the installation of the panel assembly of the smoke hood, the rear side plate of the connecting fence vertically extends, the front side plate of the connecting fence comprises an upper plate, an intermediate plate and a lower plate connected in sequence from top to bottom, the upper plate and the lower plate vertically extend, and the lower plate is located behind the upper plate, and the intermediate plate extends from front to back and is connected between the bottom of the upper plate and the top of the lower plate.

[0012] In order to ensure the connection between the connecting fence and the smoke hood, the top of the smoke hood is provided with a mounting port, and the outer periphery of the lower end of the connecting fence is inserted into the mounting port and connected to the outer periphery of the mounting port by welding or fasteners.

[0013] In order to facilitate the connection between the connecting fence and the smoke hood, the outer periphery of the mounting port of the smoke hood is provided with a downward or upward turned flange, and the outer periphery of the lower end of the connecting fence is connected to the flange by fasteners.

[0014] In order to facilitate the wall installation of the body of the range hood, ensure the stability of the installation, and further improve the overall appearance of the range hood, the rear side plate of the connecting fence is flush with the rear side wall of the fan frame and the rear side wall of the smoke hood.

[0015] As an improvement, in order to facilitate the processing of the connecting fence, the connecting fence comprises a fence body which is U-shaped as a whole and has an open front side, and a front cover plate connected to the open front side of the fence body, the rear side wall of the fence body constitutes the rear side plate of the connecting fence, and the front cover plate constitutes the front side plate of the connecting fence.

[0016] As an improvement, the front side of the main body of the smoke hood is provided with a panel assembly, and the panel assembly comprises a panel body and a panel support provided on the back of the panel body for connecting with the main body of the smoke hood. Wherein, the front side wall of the fan cover is flush with the front side wall of the panel assembly of the smoke hood.

[0017] In order to realize detachable connection of the fan cover, such as flexible disassembly of the whole range hood in the hanging machine state, the fan cover is in a whole U shape, comprising left and right opposite first side plates, second side plates and a third side plate connected between the front side of the first side plate and the front side of the second side plate, the rear side of the first side plate is provided with a first folding edge bent to the side where the second side plate is located, the top of the first folding edge is provided with a first limiting buckle, and the bottom is provided with a second limiting buckle, the top of the fan frame is provided with a first limiting groove for limiting the first limiting buckle in the position corresponding to the first limiting buckle, the outer side wall of the connecting surrounding plate is provided with a first positioning seat capable of limiting the second limiting buckle in the position corresponding to the second limiting buckle, the rear side of the second side plate is provided with a second folding edge bent to the side where the first side plate is located, the top of the second folding edge is provided with a third limiting buckle, and the bottom is provided with a fourth limiting buckle, the top of the fan frame is provided with a second limiting groove for limiting the third limiting buckle in the position corresponding to the third limiting buckle, and the outer side wall of the connecting surrounding plate is provided with a second positioning seat capable of limiting the fourth limiting buckle in the position corresponding to the fourth limiting buckle.

[0018] In order to ensure the stability of the fan cover after installation, avoid shaking or tilting, the bottom of the inner side wall of the first side plate, the second side plate and the third side plate is provided with a limiting plate extending towards the fan cover, and the top of the smoke collecting cover is provided with a supporting plate for supporting each limiting plate in the area corresponding to the front side of the connecting surrounding plate.

[0019] In order to further improve the stability of the fan cover, the supporting plate is provided with an upward extending limiting protruding buckle, and the limiting plate is provided with a limiting buckle through which the limiting protruding buckle passes.

[0020] Compared with the prior art, the advantages of the utility model are: the main body of the fan frame and the smoke collecting cover are connected through the connecting surrounding plate, the upper port of the connecting surrounding plate is connected with the bottom port of the fan frame, the lower port is connected with the top port of the smoke collecting cover, and the area of the upper port of the connecting surrounding plate is larger than that of the lower port, so that the fan frame, the connecting surrounding plate and the smoke collecting cover form a stable rigid structure after connection, the fan cover is arranged on the front side and the left and right sides of the combination formed by the connection of the fan frame and the connecting surrounding plate, and the front side wall of the fan cover is flush with the front side wall of the smoke collecting cover after installation, thereby ensuring the overall appearance and product delicacy of the range hood. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic diagram of the range hood of the utility model embodiment;

[0022] Figure 2A right view of the range hood according to an embodiment of the present application;

[0023] Figure 3 A vertical sectional view of the range hood according to an embodiment of the present application along the front-rear direction;

[0024] Figure 4 A rear view of the range hood according to an embodiment of the present application;

[0025] Figure 5 A perspective structural schematic view of the range hood according to an embodiment of the present application without the fan cover;

[0026] Figure 6 An exploded view of the range hood according to an embodiment of the present application;

[0027] Figure 7 An exploded view of the connecting coaming according to an embodiment of the present application;

[0028] Figure 8 A perspective structural schematic view of the fan cover according to an embodiment of the present application. DETAILED DESCRIPTION

[0029] The present application will be further described in detail below with reference to the accompanying drawings.

[0030] In the description of the present application and in the claims, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present application, but these terms are used herein only for the purpose of convenient description and are determined based on the example orientation shown in the drawings. Since the embodiments disclosed in the present application can be arranged in different directions, these terms indicating directions should only be used as description and should not be considered as limitation, for example, "upper" and "lower" are not necessarily limited to the direction opposite or consistent with the direction of gravity.

[0031] Figures 1-8A preferred embodiment of the range hood is shown. The range hood comprises a casing and a centrifugal fan 14 arranged in the casing. The casing generally comprises a fan frame 11 and a smoke collecting hood 12 arranged at the bottom of the fan frame 11. The inner cavity of the fan frame 11 is in communication with the inner cavity of the smoke collecting hood 12. The front side wall of the smoke collecting hood 12 is provided with an air inlet. External smoke gas can enter the smoke collecting hood 12 through the air inlet. The centrifugal fan 14 is arranged in the fan frame 11. When the centrifugal fan 14 operates, negative pressure is generated. External oil fume can be sucked into the smoke collecting hood 12 through the air inlet. An oil screen is arranged at the air inlet of the smoke collecting hood 12 for filtering oil fume. An oil cup 15 is arranged at the bottom of the smoke collecting hood 12. The oil cup 15 is a long strip extending leftward and rightward for receiving oil stains flowing down from the smoke collecting hood 12. A smoke baffle capable of deflecting forward and backward relative to the smoke collecting hood 12 is arranged at the front of the smoke collecting hood 12. The smoke baffle is connected to the main body of the smoke collecting hood 12 through a hinge movement mechanism. Specifically, the smoke baffle can deflect forward to open the air inlet and deflect backward to block the air inlet. The hinge movement mechanism for driving the smoke baffle to deflect can adopt a conventional hinge movement mechanism in the prior art, which will not be described herein.

[0032] The main body of the fan frame 11 and the smoke collecting hood 12 are connected through a connecting coaming 20. The connecting coaming 20 has an upper port and a lower port. Both the upper port and the lower port are substantially square openings. The opening area of the upper port is larger than that of the lower port. The upper port of the connecting coaming 20 is substantially identical in shape and size to the bottom port of the main body of the fan frame 11. Specifically, the lower port of the main body of the fan frame 11 can be inserted into the upper port of the connecting coaming 20 and connected through fasteners such as screws. Figure 6 As shown in FIG. 4, the rear side edge of the mounting port 120 is defined by the rear side wall of the smoke collecting hood 12. The outer peripheral edge (except the rear side edge) of the mounting port 120 of the smoke collecting hood 12 has a downwardly (or upwardly) folded flange 121. After the lower port of the connecting coaming 20 is inserted into the mounting port 120 of the smoke collecting hood 12, the flange 121 (and the rear side wall) of the smoke collecting hood 12 and the lower port of the connecting coaming 20 are connected together through fasteners such as screws (or can be connected through riveting or welding in alternative embodiments).

[0033] The connecting enclosure 20 comprises an enclosure body 21 which is U-shaped as a whole and has an open front side, and a front cover plate 22 connected at the open front side of the enclosure body 21. The rear side wall of the enclosure body 21 (i.e. constituting the rear side plate of the connecting enclosure 20) is substantially flush with the rear side wall of the main body of the fan frame 11 and the rear side wall of the smoke collecting hood 12 (i.e. without obvious step difference in the vertical direction), thereby facilitating wall mounting of the main body of the range hood and ensuring the stability of the installation. The front cover plate 22 of the connecting enclosure 20 comprises an upper plate 221, an intermediate plate 222 and a lower plate 223 connected in sequence from top to bottom. The upper plate 221 and the lower plate 223 are vertically extended, and the lower plate 223 is located behind the upper plate 221. The intermediate plate 222 extends from front to back and is connected between the bottom of the upper plate 221 and the top of the lower plate 223, i.e. the front cover plate 22 as a whole has a Z-shaped structure, thereby forming a necked structure at the bottom of the connecting enclosure 20. The front side of the necked structure has a certain space for avoiding interference with the installation of the panel assembly 13 of the smoke collecting hood 12.

[0034] The fan cover 30 is U-shaped as a whole and covers the front side and the left and right sides of the combination of the fan frame 11 and the connecting enclosure 20. The front side wall of the fan cover 30 is flush with the front side wall of the smoke collecting hood 12. The "flush" between the front side wall of the fan cover 30 and the front side wall of the smoke collecting hood 12 should be understood as that there is no obvious step difference or misalignment between the front side wall of the fan cover 30 and the front side wall of the smoke collecting hood 12 in the front-rear direction, and the spacing between them in the front-rear direction is generally not more than 5 mm. Specifically, the fan cover 30 is U-shaped as a whole and comprises first and second side plates 31 and 32 opposite to each other, and a third side plate 33 connected between the front side edges of the first and second side plates 31 and 32. The front side of the main body of the smoke collecting hood 12 is provided with a panel assembly 13 comprising a panel body 131 and a panel bracket 132 provided on the back of the panel body 131 for connecting with the main body of the smoke collecting hood 12. The panel bracket 132 is further provided with a control box 133 for realizing touch control adjustment. After the fan cover 30 is installed in place, the third side wall is flush with the front side wall of the panel body 131 of the smoke collecting hood 12.

[0035] The fan housing 30 is detachably connected to the fan frame 11 and the connecting panel 20. The rear side of the first side panel 31 of the fan housing 30 has a first folded edge 310 that bends towards the side where the second side panel 32 is located. The first folded edge 310 has a first limiting buckle 311 at its top and a second limiting buckle 312 at its bottom; both the first and second limiting buckles 311 and 312 are C-shaped buckles. Similarly, the rear side of the second side panel 32 has a second folded edge 320 that bends towards the side where the first side panel 31 is located. The second folded edge 320 has a third limiting buckle 321 at its top and a fourth limiting buckle 322 at its bottom; both the third and fourth limiting buckles 321 and 322 are also C-shaped buckles. The top left side of the fan frame 11 has a first limiting groove 111 corresponding to the first limiting buckle 311, allowing the first limiting buckle 311 to be positioned within it. On the outer wall of the left side panel of the connecting panel 20, at a position corresponding to the second limiting buckle 312, a first positioning seat 211 is provided, which can limit the second limiting buckle 312. Specifically, see Figure 4 The first positioning seat 211 can be a pin structure extending outward from the left side wall of the main body 21 of the enclosure plate, and a first limiting flange extending radially outward is provided at the end of the pin. The top right side of the fan frame 11 has a second limiting groove 112 at a position corresponding to the third limiting buckle 321, where the third limiting buckle 321 is positioned. The outer wall of the right side plate of the connecting enclosure plate 20 has a second positioning seat 212 at a position corresponding to the fourth limiting buckle 322, which can limit the fourth limiting buckle 322. The second positioning seat 212 can be a pin structure extending outward from the right side wall of the main body 21 of the enclosure plate, and a second limiting flange extending radially outward is provided at the end of the pin. During the installation of the fan cover 30, the first limiting buckle 311 and the third limiting buckle 321 at the top of the fan cover 30 are aligned with the first limiting groove 111 and the second limiting groove 112 at the top of the fan frame 11, and the first positioning seats 211 and the second positioning seats 212 on the left and right sides of the connecting plate 20 are aligned with the second limiting buckle 312 and the fourth limiting buckle 322 at the bottom of the fan cover 30. Then, the fan cover 30 is moved downward. After it is moved into place, the first limiting buckle 311 and the third limiting buckle 321 of the fan cover 30 are engaged in the corresponding first limiting groove 111 and the second limiting groove 112 on the fan frame 11 to achieve top-level positioning. The first positioning seats 211 and the second positioning seats 212 on the left and right sides of the connecting plate 20 are also engaged in the corresponding second limiting buckle 312 and the fourth limiting buckle 322 of the fan cover 30 to achieve bottom-level positioning of the fan cover 30.

[0036] In a further preferred embodiment, the bottom of the inner sidewalls of the first side plate 31, the second side plate 32, and the third side plate 33 of the fan cover 30 are all provided with limiting plates 34 extending toward the inside of the fan cover 30. The top of the smoke hood 12 has a support plate 16 in the area corresponding to the front of the constriction of the connecting enclosure 20, on which each limiting plate 34 rests. The support plate 16 has an upwardly extending limiting protrusion 161, and the limiting plate 34 has a limiting slot 340 for the limiting protrusion 161 to pass through. After the fan cover 30 is installed downwards, the upper limiting protrusion 161 of the support plate 16 passes through the limiting slot 340, limiting it in the horizontal direction. At the same time, the limiting plates 34 of the fan cover 30 rest on the main body of the support plate 16, thereby ensuring the stability of the fan cover 30 after it is installed and avoiding shaking or tilting.

[0037] The main body of the fan frame 11 is connected to the smoke hood 12 via a connecting plate 20. The upper port of the connecting plate 20 is connected to the bottom port of the fan frame 11, and the lower port is connected to the top port of the smoke hood 12. The area of ​​the upper port of the connecting plate 20 is larger than the area of ​​the lower port. Thus, the connection between the fan frame 11, the connecting plate 20, and the smoke hood 12 forms a stable rigid structure. The fan cover 30 is installed on the front and left and right sides of the assembly formed by the connection between the fan frame 11 and the connecting plate 20. After the fan cover 30 is installed, the front side wall of the fan cover 30 is flush with the front side wall of the smoke hood 12, ensuring the overall aesthetics and product refinement of the range hood.

Claims

1. A range hood, comprising: a fan frame (11); a hood (12) located at the bottom of the fan frame (11); characterized in that it further comprises: a connecting enclosure (20) connected between the bottom of the fan frame (11) and the top of the hood (12), the upper port of the connecting enclosure (20) being connected with the bottom port of the fan frame (11), and the lower port being connected with the top port of the hood (12), the area of the upper port being larger than that of the lower port; a fan cover (30) covering the front side and the left and right sides of the combination of the fan frame (11) and the connecting enclosure (20), wherein the front side wall of the fan cover (30) is flush with the front side wall of the hood (12).

2. The hood according to claim 1, characterized in that: The rear side plate of the connecting enclosure (20) extends vertically, the front side plate of the connecting enclosure (20) comprises an upper plate (221), an intermediate plate (222) and a lower plate (223) connected in sequence from top to bottom, the upper plate (221) and the lower plate (223) both extend vertically, and the lower plate (223) is located behind the upper plate (221), the intermediate plate (222) extends from front to back and is connected between the bottom of the upper plate (221) and the top of the lower plate (223).

3. The hood according to claim 2, characterized in that: The top of the hood (12) is provided with a mounting port (120), the outer periphery of the lower port of the connecting enclosure (20) is inserted into the mounting port (120), and the outer periphery of the mounting port (120) is connected with the outer periphery of the lower port of the connecting enclosure (20) by welding or fasteners.

4. The hood according to claim 3, characterized in that: The outer periphery of the mounting port (120) of the hood (12) is provided with a turned-down or turned-up flange (121), and the outer periphery of the lower port of the connecting enclosure (20) is connected with the flange (121) by fasteners.

5. The hood according to claim 2, characterized in that: The rear side plate of the connecting enclosure (20) is flush with the rear side wall of the fan frame (11) and the rear side wall of the hood (12).

6. The hood according to claim 2, characterized in that: The connecting enclosure (20) comprises a U-shaped enclosure body (21) with an open front side and a front cover plate (22) connected to the open front side of the enclosure body (21), the rear side wall of the enclosure body (21) constitutes the rear side plate of the connecting enclosure (20), and the front cover plate (22) constitutes the front side plate of the connecting enclosure (20).

7. The hood according to claim 4, characterized in that: A panel assembly (13) is mounted on the front side of the main body of the hood (12), the panel assembly (13) comprises a panel body (131) and a panel bracket (132) provided on the back of the panel body (131) for connecting with the main body of the hood (12).

8. The hood according to any one of claims 1-7, characterized in that: The fan cover (30) is in U shape as a whole, which comprises left and right opposite first side plate (31), second side plate (32) and third side plate (33) connected between the front side of first side plate (31) and the front side of second side plate (32), the rear side of first side plate (31) is provided with first folding edge (310) bent to the side where second side plate (32) is located, the top of first folding edge (310) is provided with first limiting buckle (311), and the bottom is provided with second limiting buckle (312), the top of fan frame (11) is provided with first limiting groove (111) for limiting first limiting buckle (311) in the position corresponding to first limiting buckle (311), the outer side wall of connecting fence (20) is provided with first positioning seat (211) corresponding to second limiting buckle (312) in the position corresponding to second limiting buckle (312), the rear side of second side plate (32) is provided with second folding edge (320) bent to the side where first side plate (31) is located, the top of second folding edge (320) is provided with third limiting buckle (321), and the bottom is provided with fourth limiting buckle (322), the top of fan frame (11) is provided with second limiting groove (112) for limiting third limiting buckle (321) in the position corresponding to third limiting buckle (321), and the outer side wall of connecting fence (20) is provided with second positioning seat (212) corresponding to fourth limiting buckle (322) in the position corresponding to fourth limiting buckle (322).

9. The hood according to claim 8, characterized in that: The bottom of the inner side wall of first side plate (31), second side plate (32) and third side plate (33) is provided with limiting plate (34) extending towards the inside of fan cover (30), and the top of smoke collecting cover (12) is provided with supporting plate (16) corresponding to the front side of connecting fence (20) for supporting limiting plate (34).

10. The hood according to claim 9, characterized in that: The supporting plate (16) is provided with limiting protruding buckle (161) extending upwards, and the limiting plate (34) is provided with limiting buckle (340) for limiting protruding buckle (161) to pass through.

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