CN218954989U - Fume exhauster - Google Patents

Abstract

The utility model discloses a range hood, which comprises: a main housing having a flue; a smoke collecting cover which is provided with a smoke collecting cavity inside; the volute of the fan is provided with an air suction port, an air outlet and an air blowing port; the oil net is arranged on the smoke collecting cover; the exhaust device is characterized in that a cavity is arranged in a shell of the exhaust device, an air inlet and a plurality of exhaust outlets are formed in the shell of the exhaust device, and the air inlet and the exhaust outlets are respectively communicated with the cavity; the air inlet is communicated with the air blowing opening of the volute, one part of the air outlet faces the front face of the oil screen, and the other part of the air outlet faces the back face of the oil screen. According to the range hood, the air in the cavity of the air exhaust device is blown to the front surface and the back surface of the oil screen from the air exhaust opening, so that the oil stain on the oil screen flows downwards, the oil screen is automatically cleaned, the range hood is simple and convenient, the cleaning effect is good, the technical problem that the oil stain on the oil screen is difficult to clean in the prior art is solved, and the use experience of a user is improved.

Description

Fume exhauster

Technical Field

The utility model belongs to the technical field of kitchen appliances, and particularly relates to a range hood.

Background

A range hood is a common kitchen appliance, and whether it can be cleaned conveniently is a general concern.

Long-term oil smoke accumulation on the oil screen easily causes poor smoking effect and increases power consumption. Therefore, the filter screen needs to be cleaned frequently to ensure the normal operation of the range hood.

At present, the oil stain cleaning mode of the oil net is generally to spray cleaning liquid on the oil net for manual cleaning, so that time and labor are wasted, the oil stains are difficult to clean, the cleaning effect is poor, and the use experience of a user is affected.

Disclosure of Invention

The utility model provides a range hood, which solves the technical problem that oil stains on an oil net are difficult to clean in the prior art.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

a range hood, comprising:

a main housing having a flue;

a fume collecting hood positioned below the main box body; the inside of the box body is provided with a smoke collecting cavity;

the volute of the fan is provided with an air suction port, an air outlet and an air blowing port; the air suction inlet is communicated with the smoke collecting cavity, and the air outlet is communicated with the flue;

the oil net is arranged on the smoke collecting cover;

the exhaust device is characterized in that a cavity is arranged in a shell of the exhaust device, an air inlet and a plurality of exhaust outlets are formed in the shell of the exhaust device, and the air inlet and the exhaust outlets are respectively communicated with the cavity; the air inlet is communicated with the air blowing opening of the volute, one part of the air outlet faces the front face of the oil screen, and the other part of the air outlet faces the back face of the oil screen.

In some embodiments of the present application, the casing of the exhaust device is a square casing, the length of the casing is greater than or equal to the length of the oil net, the top end surface of the casing has the air inlet, and the bottom end surface of the casing has the plurality of air outlets.

In some embodiments of the present application, the plurality of air outlets of the housing are arranged in a plurality of rows and a plurality of columns, wherein the plurality of rows of air outlets face the front face of the oil screen, and the rest rows of air outlets face the back face of the oil screen.

In some embodiments of the present application, the surface of the oil screen has a non-stick coating.

In some embodiments of the present application, the top end of the oil screen abuts against the bottom end surface of the housing of the exhaust device.

In some embodiments of the present application, the top end of the oil screen has a first fold extending into the cavity from the bottom end surface of the housing and extending out of the cavity from the top end surface of the housing; the top end of the first folded edge is bent backwards and extends to form a second folded edge parallel to the top end face of the shell; the rear end of the second folded edge is bent downwards and extends to form a third folded edge parallel to the rear end face of the shell, and the third folded edge is abutted with the rear end face of the shell.

In some embodiments of the present application, a plurality of rows of air outlets are located in front of the first folded edge, and the remaining rows of air outlets are located behind the first folded edge.

In some embodiments of the present application, the range hood further includes a first connection plate; the bottom end of the first connecting plate is provided with a first lower hem, the first lower hem extends into the cavity from the top end surface of the shell, the bottom end of the first lower hem is bent and extends forwards to form a second lower hem parallel to the top end surface of the shell, and the second lower hem extends out from the front end surface of the shell;

the left end of the first connecting plate is provided with a left folded edge, and the left folded edge is connected with a left side plate of the fume collecting hood; the right end of the first connecting plate is provided with a right folded edge, and the right folded edge is connected with a right side plate of the fume collecting hood.

In some embodiments of the present application, the range hood further includes a second connection plate; the bottom end of the second connecting plate is provided with a mounting folded edge, the mounting folded edge extends into the cavity from the top end surface of the shell and is positioned behind the first lower folded edge of the first connecting plate, and the mounting folded edge is abutted against and connected with the first lower folded edge;

the top end of the second connecting plate is provided with an upper folded edge, and the upper folded edge is connected with a top plate of the fume collecting hood.

In some embodiments of the present application, the installation hem of the second connecting plate and the first lower hem of the first connecting plate are respectively provided with a mounting hole, and the fastener penetrates through the mounting hole of the installation hem and the mounting hole of the first lower hem to connect the installation hem and the first lower hem together.

Compared with the prior art, the utility model has the advantages and positive effects that: the range hood of the utility model is provided with an air suction port, an air outlet and an air blowing port by designing a fan volute; the shell of the exhaust device is internally provided with a cavity, the shell is provided with an air inlet and a plurality of air outlets, and the air inlet and the air outlets are respectively communicated with the cavity; the air inlet is communicated with the air blowing opening of the volute, one part of the air outlet faces the front face of the oil screen, and the other part of the air outlet faces the back face of the oil screen; part of gas in the spiral case gets into exhaust device's cavity through the mouth of blowing, and the gas in exhaust device's the cavity blows to the front and the back of oil net from the air exit for the greasy dirt on the oil net flows down, realizes automatic clear oil net, and is simple and convenient, and the cleaning effect is good, has solved the technical problem that the oil net greasy dirt is difficult to the clearance among the prior art, has improved user's use experience.

Other features and advantages of the present utility model will become more apparent from the following detailed description of embodiments of the present utility model, which is to be read in connection with the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a range hood according to the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;

FIG. 3 is a schematic illustration of the connection of the oil screen of FIG. 1 to an exhaust device;

FIG. 4 is an exploded view of the oil screen and exhaust device of FIG. 3;

FIG. 5 is a cross-sectional view of the oil screen and exhaust device of FIG. 3;

FIG. 6 is a schematic illustration of the connection of the first and second connection plates to the oil network of FIG. 1;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a schematic diagram illustrating the connection of the first connection board and the second connection board in FIG. 6;

fig. 9 is a schematic structural view of an air intake of the blower of fig. 3.

Fig. 10 is a schematic view of a structure of a blowing port of the blower of fig. 3.

Reference numerals:

100. a main case;

200. a fume collecting hood; 210. a left side plate; 220. a right side plate; 230. a top plate; 240. a back plate; 250. a front panel;

300. a blower; 310. a volute; 311. an air suction port; 312. an air outlet; 313. blowing an air port; 320. an impeller; 330. a hose;

400. an oil screen; 410. a first hem; 420. a second flanging; 430. a third flanging; 440. a left side edge; 450. a right side;

500. an exhaust device; 510. a housing; 511. an air inlet; 512. an air outlet;

600. a first connection plate; 610. a first lower hem; 611. a mounting hole; 620. a second lower hem; 630. a left edge folding; 640. right flanging;

700. a second connecting plate; 710. installing a folded edge; 711. a mounting hole; 720. an upper flanging;

800. a fastener.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and examples.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

The range hood of the present embodiment mainly includes a main casing 100, a fume collecting hood 200, a blower 300, an oil screen 400, an exhaust device 500, and the like, as shown in fig. 1 to 10.

A main housing 100 having a flue.

A fume collecting hood 200 located below the main housing 100; the inside of the box body is provided with a smoke collecting cavity; the fume collecting hood 200 comprises a left side plate 210, a right side plate 220, a top plate 230, a back plate 240, a front panel 250 and the like, wherein the left side plate 210, the right side plate 220, the top plate 230, the back plate 240 and the front panel 250 jointly enclose a fume collecting cavity; the top plate 230 is provided with an ejection air port which is communicated with the flue; the front panel 250 has a smoke exhaust port thereon, and the oil screen 400 is installed at the smoke exhaust port of the front panel 250. Indoor oil smoke passes through the oil screen 400 and enters the smoke collecting cavity.

A blower 300 including a volute 310 and an impeller 320; the volute 310 has an air intake 311, an air outlet 312, and an air blowing 313, as shown in fig. 9 and 10; the volute 310 of the fan 300 is fixed on the main box body 100 or the fume collecting hood 200, the air suction inlet 311 of the volute 310 is communicated with the fume collecting cavity, and the air outlet 312 of the volute 310 is communicated with the flue of the main box body 100. The impeller 320 is installed in the volute 310 near the air outlet 312; the air blowing port 313 is adjacent to the air outlet port 312. The impeller 320 rotates, and the wind enters the volute 310 from the air suction inlet 311 and is blown out from the air outlet 312 and the air blowing inlet 313 under the driving of the impeller 320.

The air blowing port 313 is disposed near the air outlet 312 because a large portion of the oil is left in the volute impeller by centrifugal force, and thus the oil smoke at the air outlet 312 is relatively clean. Also, the diameter of the air outlet 313 is much smaller than the air outlet 312.

An oil screen 400 disposed on the fume collection hood 200. Specifically, the oil screen 400 has a left side 440 and a right side 450, the oil screen 400 is installed at the fume suction port of the front panel 250, the left side 440 of the oil screen 400 is connected with the left side plate 210 of the fume collecting hood 200, and the right side 450 of the oil screen 400 is connected with the right side plate 220 of the fume collecting hood 200.

And an exhaust device 500 provided on the hood 200. The air exhaust device 500 comprises a shell 510, a cavity is arranged in the shell 510 of the air exhaust device 500, an air inlet 511 and a plurality of air outlets 512 are arranged on the shell 510, and the air inlet 511 and the air outlets 512 are respectively communicated with the cavity; the air inlet 511 communicates with the air outlet 313 of the scroll case 310, wherein a part of the air outlet 512 faces the front surface of the oil screen 400, and the other part of the air outlet 512 faces the back surface of the oil screen 400. In this embodiment, the air inlet 511 is connected to the air outlet 313 of the scroll case 310 through a hose 330.

The housing 510 of the exhaust device 500 is hollow inside and has a cavity, and uses the flow of wind to facilitate the flow of wind energy to each exhaust port 512.

The impeller 320 of the blower 300 rotates, the gas in the smoke collecting cavity enters the volute 310 through the air suction inlet 311, one part of the gas in the volute 310 enters the flue of the main box 100 from the air outlet 312, the other part of the gas enters the hose 330 from the air blowing inlet 313, the gas enters the cavity of the air exhaust device 500 through the hose 330 and the air inlet 511, and the gas in the cavity of the air exhaust device 500 blows to the oil screen 400 from the air exhaust outlet 512.

Since one part of the air outlet 512 faces the front surface of the oil screen 400, the other part of the air outlet 512 faces the back surface of the oil screen 400; therefore, a part of the air in the cavity of the air exhaust device 500 is blown to the front surface of the oil screen 400, and the other part is blown to the back surface of the oil screen 400, and under the action of the air flow, the greasy dirt on the front and back surfaces of the oil screen flows down along the oil screen and finally flows into the oil cup, so that the aim of cleaning the oil screen 400 is fulfilled; moreover, the cleaning effect is good, and oil dirt does not remain on the oil screen 400.

The range hood of the embodiment is provided with a blower volute 310 provided with a suction port 311, an air outlet 312 and a blowing port 313; the shell 510 of the exhaust device 500 is provided with a cavity, the shell 510 is provided with an air inlet 511 and a plurality of exhaust outlets 512, and the air inlet 511 and the exhaust outlets 512 are respectively communicated with the cavity; the air inlet 511 is communicated with the air outlet 313 of the volute 310, wherein one part of the air outlet 512 faces the front surface of the oil screen 400, and the other part of the air outlet 512 faces the back surface of the oil screen 400; part of gas in the spiral case 310 enters the cavity of the exhaust device 500 through the air blowing opening 313, and the gas in the cavity of the exhaust device 500 is blown to the front and the back of the oil screen 400 from the air blowing opening 512, so that the oil stains on the oil screen flow downwards, the oil screen 400 is automatically cleaned, the cleaning is simple and convenient, the cleaning effect is good, the technical problem that the oil stains on the oil screen are difficult to clean in the prior art is solved, and the user experience is improved.

In some embodiments of the present application, in order to further improve the cleaning effect of the oil screen 400, the surface of the oil screen 400 has a non-oil-sticky coating, and under the action of the air flow blown by the air exhaust device 500, the oil stain cannot adhere to the surface of the oil screen 400, but flows down into the oil cup along the oil screen, so that the cleaning difficulty of the oil screen is reduced.

By adopting the oil screen 400 with the oil-free coating, oil stains are not adhered on the surface of the coating under the power of wind by utilizing the air exhaust function of the air exhaust device 500 and flow into the oil cup along the oil screen, thereby achieving the aim of cleaning the oil screen and realizing the effective cleaning of the oil screen 400.

In some embodiments of the present application, in order to further improve the cleaning effect of the oil screen 400, the housing 510 of the air exhaust device 500 is a square housing, and the length of the housing 510 is greater than or equal to the length of the oil screen 400, so that the blown air flow can cover the whole oil screen 400; the top surface of the housing 510 has an air inlet 511, and the bottom surface of the housing 510 has a plurality of air outlets 512, so that the air flow entering the air exhaust device 500 from above can be directly blown to the oil screen 400 from below, and the force of blowing the air flow to the oil screen 400 is improved.

Because the oil screen 400 is provided with the air outlets 512 at the front and the rear, the cleaning of the greasy dirt on the oil screen is facilitated.

In some embodiments of the present application, in order to improve uniformity of cleaning of the oil screen, the plurality of air outlets 512 of the housing 510 are arranged in a plurality of rows and columns, as shown in fig. 4, wherein the air outlets 512 of a plurality of rows face the front surface of the oil screen 400, and the air outlets 512 of the remaining rows face the back surface of the oil screen 400.

Specifically, the plurality of air outlets 512 are uniformly arranged in a plurality of rows and columns on the bottom surface of the housing 510.

For example, three rows of air outlets 512 are uniformly arranged on the bottom surface of the housing 510, and the opening design facilitates the air outlet to blow to the front and back surfaces of the oil screen 400, so that the front and back surfaces of the oil screen 400 are not stained with oil. One row of air outlets 512 blows toward the front of the oil screen 400, and the other two rows of air outlets 512 blow toward the back of the oil screen 400.

In some embodiments of the present application, in order to further improve the cleaning effect of the oil net, the top end of the oil net 400 is abutted with the bottom end surface of the shell 510 of the air exhaust device 500, so that the air exhaust port 512 on the bottom end surface of the shell 510 can blow to the top end of the oil net 400, thereby facilitating the cleaning of the greasy dirt on the top end of the oil net 400 and ensuring the cleaning effect of the top end of the oil net.

In still other embodiments of the present application, to ensure the connection stability of the oil screen 400 and the air exhaust device 500, and ensure the stability of the air flow blown by the air exhaust device 500 to the oil screen 400, the top end of the oil screen 400 has a first folded edge 410, and the first folded edge 410 extends into the cavity from the bottom end surface of the housing 510 and extends out of the cavity from the top end surface of the housing 510; the top end of the first folded edge 410 is folded back and extended to form a second folded edge 420 parallel to the top end surface of the housing 510; the rear end of the second flange 420 is bent downward and extends to form a third flange 430 parallel to the rear end face of the housing 510, and the third flange 430 abuts against the rear end face of the housing 510, as shown in fig. 5.

The first folded edge 410, the second folded edge 420 and the third folded edge 430 of the oil screen 400 limit the relative positions of the oil screen 400 and the air exhaust device 500, so that the relative positions of the oil screen 400 and the air exhaust device 500 are stable, the air outlet effect of the air exhaust device 500 is ensured, and the cleaning effect of the oil screen is further ensured.

In some embodiments of the present application, a plurality of rows of air outlets are located in front of the first folding edge 410, and the remaining rows of air outlets are located behind the first folding edge 410, so as to ensure that a part of the air outlets face the front face of the oil screen 400, and another part of the air outlets face the back face of the oil screen 400, and further ensure that the air outlet of the air exhaust device 500 blows to the front face and the back face of the oil screen 400.

In some embodiments of the present application, the range hood further includes a first connection plate 600, see fig. 6 and 7; the bottom end of the first connection plate 600 has a first lower flange 610, the first lower flange 610 extends into the cavity from the top end surface of the housing 510, the bottom end of the first lower flange 610 is bent and extended forward to form a second lower flange 620 parallel to the top end surface of the housing 510, and the second lower flange 620 extends from the front end surface of the housing 510.

The left end of the first connecting plate 600 has a left folded edge 630, and the left folded edge 630 is connected with the left side plate 210 of the fume collecting hood 200; the right end of the first connecting plate 600 has a right flap 640, and the right flap 640 is connected with the right side plate 220 of the hood 200.

By designing the first lower hem 610 and the second lower hem 620 of the first connecting plate 600, the housing 510 of the exhaust device 500 is stopped from falling down; the left edge folding 630 and the right edge folding 640 of the first connecting plate 600 are designed to be connected with the left side plate 210 and the right side plate 220 of the fume collecting hood 200; therefore, by designing the first connection plate 600, stable and reliable connection of the exhaust device 500 and the hood 200 is achieved, preventing the exhaust device 500 from falling off.

In some embodiments of the present application, in order to further improve the connection reliability between the housing 510 of the exhaust device 500 and the fume collecting hood 200, the range hood further includes a second connection plate 700, as shown in fig. 7 and 8; the bottom end of the second connecting plate 700 has a mounting flange 710, and the mounting flange 710 extends into the cavity from the top end surface of the housing 510, and is located behind the first lower flange 610 of the first connecting plate 600, and abuts against and is connected with the first lower flange 610.

The top end of the second connecting plate 700 has an upper hem 720, and the upper hem 720 is connected with the top plate 230 of the hood 200.

By designing the mounting flange 710 of the second connection plate 700 for connection with the first lower flange 610 of the first connection plate 600; by designing the upper hem 720 of the second connection plate 700 for connection with the hood 200; therefore, by designing the second connection plate 700, the exhaust device 500 is stably and reliably connected with the first connection plate 600 and the fume collecting hood 200, and the exhaust device 500 is prevented from falling off.

In some embodiments of the present application, the top end surface of the housing 510 of the air exhaust device 500 has an elongated slit, and the first lower edge 610 of the first connecting plate 600 and the mounting edge 710 of the second connecting plate 700 penetrate through the elongated slit and enter the cavity of the housing 510.

The mounting flange 710 has a mounting hole 711 and the first lower flange 610 has a mounting hole 611, and the fastener 800 passes through the mounting hole 711 of the mounting flange 710 and the mounting hole 611 of the first lower flange 610 to connect the mounting flange 710 and the first lower flange 610 together. Of course, the length of fastener 800 is greater than the width of the elongated slot.

The stable and reliable connection of the installation flange 710 and the first lower flange 610 is achieved by the fastener 800, and the disassembly and assembly are facilitated. Moreover, due to the design of the fastener 800, the mounting flange 710, the first lower flange 610 are prevented from falling out of the cavity of the housing 510.

It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that other variations, modifications, additions and substitutions are possible, without departing from the scope of the utility model as disclosed in the accompanying claims.

Claims (10)

1. A range hood, characterized in that: comprising the following steps:

a main housing having a flue;

a fume collecting hood positioned below the main box body; the inside of the box body is provided with a smoke collecting cavity;

the volute of the fan is provided with an air suction port, an air outlet and an air blowing port; the air suction inlet is communicated with the smoke collecting cavity, and the air outlet is communicated with the flue;

the oil net is arranged on the smoke collecting cover;

the exhaust device is characterized in that a cavity is arranged in a shell of the exhaust device, an air inlet and a plurality of exhaust outlets are formed in the shell of the exhaust device, and the air inlet and the exhaust outlets are respectively communicated with the cavity; the air inlet is communicated with the air blowing opening of the volute, one part of the air outlet faces the front face of the oil screen, and the other part of the air outlet faces the back face of the oil screen.

2. The range hood of claim 1, wherein: the shell of the exhaust device is a square shell, the length of the shell is greater than or equal to that of the oil net, the top end face of the shell is provided with the air inlet, and the bottom end face of the shell is provided with the plurality of air outlets.

3. The range hood of claim 2, wherein: the multiple air outlets of the shell are arranged in multiple rows and multiple columns, wherein a plurality of rows of air outlets face the front face of the oil screen, and the other rows of air outlets face the back face of the oil screen.

4. The range hood of claim 1, wherein: the surface of the oil net is provided with an oil-free coating.

5. The range hood of claim 2, wherein: the top end of the oil net is abutted with the bottom end surface of the shell of the exhaust device.

6. The range hood of claim 2, wherein: the top end of the oil screen is provided with a first folded edge, and the first folded edge extends into the cavity from the bottom end surface of the shell and extends out of the cavity from the top end surface of the shell; the top end of the first folded edge is bent backwards and extends to form a second folded edge parallel to the top end face of the shell; the rear end of the second folded edge is bent downwards and extends to form a third folded edge parallel to the rear end face of the shell, and the third folded edge is abutted with the rear end face of the shell.

7. The range hood of claim 6, wherein: wherein a plurality of rows of air outlets are positioned in front of the first folded edge, and the rest rows of air outlets are positioned behind the first folded edge.

8. The range hood of claim 2, wherein: the range hood further comprises a first connecting plate; the bottom end of the first connecting plate is provided with a first lower hem, the first lower hem extends into the cavity from the top end surface of the shell, the bottom end of the first lower hem is bent and extends forwards to form a second lower hem parallel to the top end surface of the shell, and the second lower hem extends out from the front end surface of the shell;

the left end of the first connecting plate is provided with a left folded edge, and the left folded edge is connected with a left side plate of the fume collecting hood; the right end of the first connecting plate is provided with a right folded edge, and the right folded edge is connected with a right side plate of the fume collecting hood.

9. The range hood of claim 8, wherein: the range hood further comprises a second connecting plate; the bottom end of the second connecting plate is provided with a mounting folded edge, the mounting folded edge extends into the cavity from the top end surface of the shell and is positioned behind the first lower folded edge of the first connecting plate, and the mounting folded edge is abutted against and connected with the first lower folded edge;

the top end of the second connecting plate is provided with an upper folded edge, and the upper folded edge is connected with a top plate of the fume collecting hood.

10. The range hood of claim 9, wherein: the installation hem of the second connecting plate and the first lower hem of the first connecting plate are respectively provided with an installation hole, and the fastener penetrates through the installation holes of the installation hem and the installation holes of the first lower hem to connect the installation hem and the first lower hem together.

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