Air cabinet structure of range hood

Abstract

The air cabinet structure comprises a back plate, a middle shell and a front plate, the bottom of the back plate is bent forwards to form a bottom plate part, the bottom end of the front plate is fixedly connected with the front side of the bottom plate part, the front side and the rear side of the middle shell are provided with openings, the front side end and the rear side end of the middle shell are provided with turned edges, and the turned edge of the rear side of the middle shell is fixedly welded with the back plate. The front side flanging of the middle shell is welded and fixed to the front plate, a wind wheel cavity with an opening in the upper end is defined by the middle shell, the back plate and the front plate, and an air inlet communicated with the wind wheel cavity is formed in the back plate. The volute structure is integrated in the air cabinet structure, the wind wheel cavity is defined by the back plate, the middle shell and the front plate, the material use cost of the volute is greatly reduced, and the overall weight of the air cabinet structure is further reduced. The device has the advantages of low manufacturing cost, compact structure, reasonable structural design and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to a range hood field, especially a range hood's wind cabinet structure. BACKGROUND

[0002] Range hood is common kitchen electric appliance, its work can suck away the oil fume that cooking food produces, avoids the oil fume to diffuse and pollutes kitchen air. Range hood passes through inside wind wheel rotation, makes range hood inside produce negative pressure and thus sucks away oil fume, and in order to let the suction of wind be more concentrated, wind force is bigger, a volute will be set in the wind cabinet, and the wind wheel is set to rotate in the volute, and the wind cabinet shell and volute are two independent parts at present stage, the volute is directly fixed in the wind cabinet shell, although this has the advantage of easy assembly, but there is the shortcoming that the cost is obviously improved.

[0003] Therefore, it is necessary to make further improvement. INVENTION CONTENTS

[0004] The utility model discloses a range hood's wind cabinet structure, volute structure is integrated, forms the wind wheel cavity, and the cost is low and the structure design is reasonable.

[0005] In order to realize above-mentioned purpose, the utility model provides a range hood's wind cabinet structure, it includes backboard, middle shell and front plate, the bottom of backboard is bent to form bottom plate part to the front, the bottom end of front plate is connected with the front side fixed of bottom plate part, the front and back two sides of middle shell are open to set, and the front and back two sides of middle shell are equipped with the flanging, the rear side flanging of middle shell is welded with backboard fixed, and the front side flanging of middle shell is welded with front plate fixed, and middle shell and backboard, front plate enclose the wind wheel cavity of open upper end, be equipped with the air inlet that communicates with wind wheel cavity on backboard.

[0006] In one or more embodiments, the front plate corresponds to the installation opening of wind wheel cavity, and a motor bottom shell is arranged on the installation opening.

[0007] In one or more embodiments, the bottom plate part is provided with an oil discharge opening, and the periphery of the bottom plate part is inclined to the oil discharge opening.

[0008] In one or more embodiments, the bottom of the middle shell is provided with an oil passing opening corresponding to the bottom plate part.

[0009] In one or more embodiments, the front side of the bottom plate part is bent upward to form a connecting part attached to the outer side of the front plate, and the connecting part is connected and fixed to the bottom of the front plate by screws.

[0010] In one or more embodiments, the top of the front plate is bent forward to form a first plate body, the front side of the first plate body is bent upward to form a second plate body, a power supply maintenance opening is formed on the second plate body, a power supply box is arranged on the rear side of the second plate body corresponding to the position of the power supply maintenance opening, a pull-out plate is arranged on the power supply maintenance opening, and the pull-out plate is connected with the power supply box.

[0011] In one or more embodiments, a handle part is arranged on the pull-out plate, and the pull-out plate is connected and fixed with the second plate body through screws.

[0012] In one or more embodiments, the top of the back plate is bent to form a third plate body, and a smoke pipe joint is connected with the upper end opening of the wind wheel cavity, and the front and rear sides of the smoke pipe joint are connected and fixed with the first plate body and the third plate body through screws, respectively.

[0013] Compared with the background art, the effect of the wind cabinet structure is that the volute structure is integrated in the inside of the wind cabinet structure, the wind wheel cavity is surrounded by the back plate, the middle shell and the front plate, the material use cost of the volute is greatly reduced, and the overall weight of the wind cabinet structure is also reduced. The wind cabinet structure has the advantages of low cost, compact structure and reasonable structure design. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a structural schematic view of the wind cabinet of the present application;

[0015] Figure 2 Fig. 2 is an exploded view of the wind cabinet of the present application;

[0016] Figure 3 Fig. 3 is a structural schematic view of the wind cabinet of the present application from another angle; Figure 2 Fig. 4 is a structural schematic view of the wind cabinet of the present application from another angle. DETAILED DESCRIPTION

[0017] In order to deepen the understanding of the present application, the present application will be further described in combination with embodiments and drawings, and the embodiments are only used to explain the present application and do not constitute a limitation on the protection scope of the present application.

[0018] Please refer to Figures 1-3The utility model provides a kind of wind cabinet structure of range hood, it includes backplate 1, middle shell 2 and front plate 3, the bottom of backplate is bent forward to form bottom plate portion 4, the bottom end of front plate is connected and fixed with the front side of bottom plate portion, the front and rear sides of middle shell 2 are open, middle shell has the appearance of volute by sheet bending, the front and rear sides of middle shell are equipped with flanging 5, the rear flanging of middle shell is welded and fixed with backplate 1, the front flanging of middle shell 2 is welded and fixed with front plate 3, specifically can adopt impact welding fixed, middle shell 2 and backplate 1, front plate 3 form the wind wheel cavity of open upper end, the backplate 1 is equipped with the air inlet 6 that communicates with wind wheel cavity, air inlet is equipped with filter screen, wind cabinet uses this structure, its inside integrated volute structure, wind wheel cavity is enclosed using backplate, middle shell and front plate, greatly reduce the material use cost of volute, also reduce the overall weight of wind cabinet structure.

[0019] The front plate 3 is provided with a mounting hole 7 corresponding to the wind wheel cavity, and a motor bottom shell 8 is arranged on the mounting hole.

[0020] The bottom plate portion 4 is provided with an oil discharge hole 9, and the periphery of the bottom plate portion is inclined towards the oil discharge hole, so as to collect the oil dripping from the middle shell and the front plate and the backplate, and finally discharge the oil through the oil discharge hole. The oil discharge hole can be connected with an oil cup provided on the range hood, or connected with an oil discharge pipe.

[0021] The bottom of the middle shell 2 is provided with an oil passing hole 10 corresponding to the bottom plate portion. When the wind wheel works, the oil will be thrown onto the middle shell, the front plate and the backplate. Under the action of gravity, the oil will be collected at the bottom of the middle shell, and then dropped onto the bottom plate portion through the oil passing hole.

[0022] The front side of the bottom plate portion 4 is bent upwards to form a connecting portion 11 abutting against the outer side of the front plate. The connecting portion is connected and fixed with the bottom of the front plate by screws. This structure can connect the bottom plate portion and the front shell, and ensure that the oil dripping from the front shell falls onto the bottom plate portion.

[0023] The top of the front plate 3 is bent forward to form a first plate body 12, and the front side of the first plate body is bent upwards to form a second plate body 13. The second plate body is provided with a power supply maintenance hole, and a power supply box 14 is arranged at the position corresponding to the power supply maintenance hole at the rear side of the second plate body. A pull-out plate 15 is arranged on the power supply maintenance hole, and the pull-out plate is connected with the power supply box. When the power supply needs to be repaired, the power supply can be pulled out through the pull-out plate for repair or replacement, which facilitates the later maintenance of the range hood. Preferably, a handle portion 16 is arranged on the pull-out plate, and the pull-out plate is connected and fixed with the second plate body 13 by screws. When the power supply needs to be repaired, the screws can be removed, and then the power supply can be pulled out through the handle portion.

[0024] The top of the back plate 1 is bent to form a third plate body 17, and the upper end opening of the wind wheel cavity is connected with a smoke pipe joint 18. The front and back sides of the smoke pipe joint are respectively connected and fixed with the first plate body 12 and the third plate body 17 through screws. By adopting the structure, the smoke pipe joint is installed in the wind cabinet in a mostly sunken mode, and only a small part of the interface is exposed for the connection of the smoke pipe, so that the appearance is better.

[0025] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any equivalent modification or change made by those skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.

Claims

1. A structure of a wind chamber of a range hood, characterized by: It includes back plate (1), middle shell (2) and front plate (3), the bottom of back plate is bent to form bottom plate part (4), the bottom end of front plate is connected and fixed with the front side of bottom plate part, the front and rear sides of middle shell (2) are provided with opening, the front and rear side ends of middle shell are provided with flanging (5), the rear side flanging of middle shell is welded and fixed with back plate (1), the front side flanging of middle shell (2) is welded and fixed with front plate (3), middle shell (2) and back plate (1), front plate (3) form wind wheel cavity with open upper end, the back plate (1) is provided with air inlet (6) communicated with wind wheel cavity.

2. The structure of the air cabinet of the extractor hood according to claim 1, characterized in that: The front plate (3) is provided with mounting port (7) corresponding to wind wheel cavity, and motor bottom shell (8) is arranged on the mounting port.

3. The structure of the air cabinet of the extractor hood according to claim 1, characterized in that: The bottom plate part (4) is provided with oil discharge port (9), and the periphery of bottom plate part is inclined to the direction of oil discharge port.

4. The structure of the air cabinet of the extractor hood according to claim 3, characterized in that: The bottom of middle shell (2) is provided with oil passing port (10), and the oil passing port corresponds to bottom plate part.

5. The structure of the hood of the extractor hood according to claim 1, characterized in that: The front side of bottom plate part (4) is bent upwards to form connecting part (11) adhered to the outer side of front plate, and the connecting part is connected and fixed with the bottom of front plate by screw.

6. The structure of the air cabinet of the extractor hood according to any of the claims 1 - 5, characterized in that The top of front plate (3) is bent forwards to form first plate body (12), the front side of first plate body is bent upwards to form second plate body (13), the second plate body is provided with power maintenance opening, the rear side of second plate body is provided with power box (14) corresponding to the position of power maintenance opening, the power maintenance opening is provided with pull-out plate (15), and the pull-out plate is connected with power box.

7. The structure of the air cabinet of the extractor hood according to claim 6, characterized in that: The pull-out plate is provided with handle part (16), and the pull-out plate is connected and fixed with second plate body (13) by screw.

8. The structure of the air cabinet of the extractor hood according to claim 6, characterized in that: The top of back plate (1) is bent to form third plate body (17), the upper end opening of wind wheel cavity is connected with smoke pipe joint (18), and the front and rear sides of smoke pipe joint are connected and fixed with first plate body (12) and third plate body (17) by screw respectively.

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