CN111442316A

CN111442316A - Fume exhaust fan

Info

Publication number: CN111442316A
Application number: CN202010427751.7A
Authority: CN
Inventors: 任富佳; 吕立丰; 钟平; 吕春明; 余国成
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-07-24

Abstract

The invention provides a range hood, which relates to the technical field of kitchen appliances and comprises a smoke collecting hood assembly and a mesh enclosure assembly arranged in an air inlet area of the smoke collecting hood assembly, wherein the mesh enclosure assembly comprises a first mesh enclosure and a second mesh enclosure; the range hood also comprises a first baffle correspondingly arranged on the first mesh enclosure and a second baffle correspondingly arranged on the second mesh enclosure, the first baffle and the first mesh enclosure are at least partially separated to form a first air inlet cavity, and a first air inlet communicated with the first air inlet cavity is formed at the edge of the first baffle; the second baffle and the second mesh enclosure are at least partially separated to form a second air inlet cavity, and a second air inlet communicated with the second air inlet cavity is formed at the edge of the second baffle; the first air inlet cavity and the second air inlet cavity are communicated with the flue of the range hood, and the technical problem that the existing range hood is poor in oil smoke suction effect is effectively solved.

Description

Fume exhaust fan

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a range hood.

Background

The range hood, also known as a range hood or a range hood, is a kitchen appliance for purifying the kitchen environment, is installed above a kitchen range, and can exhaust wastes burned by the range and oil smoke harmful to human bodies generated in the cooking process, discharge the wastes and the oil smoke to the outside, reduce pollution and purify air.

At present, some range hoods on the market adopt a whole guide plate to be installed at an air inlet of a smoke collecting cover so as to increase the smoking effect. However, the whole guide plate can make the smoke flow around the guide plate and enter the smoke collecting hood and the fan, which is not beneficial to the suction of the smoke, so that the smoke can easily escape to cause the smoke to be filled in the kitchen, and the user can feel poor experience.

Referring to fig. 1, in the prior art, a whole guide plate 010 is disposed in an air inlet area of a smoke collection cover, and a gap is formed between the periphery of the guide plate 010 and the smoke collection cover 020, so that oil smoke can enter a flue from the gap around the guide plate 010 and be discharged through the flue. However, the negative pressure area generated by the range hood is only around the guide plate 010, that is, the oil smoke can only enter the flue from the side part of the smoke collecting hood 020, the suction range of the oil smoke is virtually limited, the flow distance of the oil smoke in the middle area of the smoke collecting hood 020 is prolonged, and the suction of the oil smoke is not facilitated, so that when the range hood of the form is in operation, as the negative pressure space is small, and the flow distance of part of the oil smoke is long, part of the oil smoke escapes, the oil smoke is filled in a kitchen, and the experience and physical and mental health of a user are reduced.

Disclosure of Invention

The invention aims to provide a range hood, which at least relieves the technical problems of poor oil fume suction effect and easy escape of oil fume of the existing range hood.

The invention provides a range hood which comprises a smoke collecting hood assembly and a mesh enclosure assembly arranged in an air inlet area of the smoke collecting hood assembly, wherein the mesh enclosure assembly comprises a first mesh enclosure and a second mesh enclosure;

the range hood further comprises a first baffle correspondingly arranged on the first mesh enclosure and a second baffle correspondingly arranged on the second mesh enclosure, the first baffle and the first mesh enclosure are at least partially separated to form a first air inlet cavity, and a first air inlet communicated with the first air inlet cavity is formed at the edge of the first baffle;

the second baffle and the second mesh enclosure are at least partially separated to form a second air inlet cavity, and a second air inlet communicated with the second air inlet cavity is formed at the edge of the second baffle;

the first air inlet cavity and the second air inlet cavity are communicated with a flue of the range hood.

Further, the range hood comprises a connecting plate which is suitable for connecting the smoke collecting hood assembly and a shell assembly of the range hood;

a third air inlet cavity is formed between the first mesh enclosure and the connecting plate at intervals, and the third air inlet cavity is communicated with the first air inlet cavity through meshes of the first mesh enclosure;

a fourth air inlet cavity is formed between the second mesh enclosure and the connecting plate at intervals, and the fourth air inlet cavity is communicated with the second air inlet cavity through meshes of the second mesh enclosure;

the third air inlet cavity and the fourth air inlet cavity are communicated with the flue.

Further, the first baffle plate is obliquely arranged relative to the first mesh enclosure, a first air inlet cavity with a first included angle is formed between the first baffle plate and the first mesh enclosure, the large end of the first air inlet cavity faces the left side of the fume collecting hood assembly, and the small end of the first air inlet cavity faces the middle of the fume collecting hood assembly;

the second baffle is relative to the slope of second screen panel sets up, and forms between the two and have the second contained angle the second air inlet chamber, the main aspects in second air inlet chamber move towards the right side of collection petticoat pipe subassembly, the tip moves towards the middle part of collection petticoat pipe subassembly.

Further, the first mesh enclosure is obliquely arranged relative to the connecting plate, a third air inlet cavity with a third included angle is formed between the first mesh enclosure and the connecting plate, and the open end of the third air inlet cavity faces the middle of the smoke collecting hood assembly;

the second mesh enclosure is arranged obliquely relative to the connecting plate, a fourth air inlet cavity with a fourth included angle is formed between the second mesh enclosure and the connecting plate, and the open end of the fourth air inlet cavity faces towards the middle of the smoke collecting hood assembly.

Furthermore, the first baffle, the first mesh enclosure and the connecting plate are distributed in a Z shape;

and/or the second baffle, the second mesh enclosure and the connecting plate are distributed in a Z shape.

Further, the preceding tip of first baffle with between the front side inner wall of collection petticoat pipe subassembly the rear end of first baffle with between the rear side inner wall of collection petticoat pipe subassembly the preceding tip of second baffle with between the front side inner wall of collection petticoat pipe subassembly, and the rear end of second baffle with at least one formation contained angle between the rear side inner wall of collection petticoat pipe subassembly, the opening orientation of contained angle the left side and/or the right side of collection petticoat pipe subassembly.

Further, a first cooker is arranged below the first baffle plate, and the distance between the end part, close to the left side of the fume collecting hood assembly, of the first baffle plate and the first cooker is larger than the distance between the end part, close to the middle of the fume collecting hood assembly, of the first baffle plate and the first cooker;

and/or, the below of second baffle is provided with second cooking utensils, being close to of second baffle the end on collection petticoat pipe subassembly right side with distance between the second cooking utensils is greater than being close to of second baffle the end in collection petticoat pipe subassembly middle part with distance between the second cooking utensils.

Furthermore, the first baffle is a quadrilateral plate, and gaps are reserved between four edges of the first baffle and the first mesh enclosure respectively to form four first air inlets;

and/or the second baffle is a quadrilateral plate, and gaps are reserved between four edges of the second baffle and the second mesh enclosure respectively to form four second air inlets.

Further, the range hood further comprises a fixing mechanism for installing the first baffle or the second baffle;

the fixing mechanism comprises a first fixing piece and a second fixing piece, one end of the first fixing piece is connected to the area, far away from the middle part of the smoke collecting hood assembly, of the first baffle plate or the second baffle plate, and the other end of the first fixing piece is connected to the connecting plate and/or the mesh enclosure assembly; one end of the second fixing piece is connected to the first baffle plate or the second baffle plate in the area close to the middle of the smoke collecting hood assembly, and the other end of the second fixing piece is connected to the connecting plate and/or the mesh enclosure assembly.

Furthermore, the first fixing part comprises a first fixing part and a second fixing part, one end of the first fixing part is fixedly connected to the middle part of the first baffle or the second baffle, the other end of the first fixing part penetrates through the connecting plate and/or the mesh enclosure assembly, is inserted into the second fixing part and is fastened through a fastener arranged on the second fixing part, and the second fixing part is connected to the connecting plate and/or the mesh enclosure assembly;

and/or, the second mounting includes the third fixed part, the one end fixed connection of third fixed part in first baffle or the second baffle be close to the edge in collection petticoat pipe subassembly middle part, the other end of third fixed part pass and hook joint in the connecting plate and/or the screen panel subassembly.

The range hood provided by the invention has the following technical effects:

the invention provides a range hood, which comprises a smoke collecting hood component and a mesh enclosure component arranged in an air inlet area of the smoke collecting hood component, wherein the mesh enclosure component comprises a first mesh enclosure and a second mesh enclosure which are respectively positioned at the two sides of the fume collecting hood component, a first baffle is arranged at the position corresponding to the first mesh enclosure, at least part of the first baffle and the first mesh enclosure are arranged at intervals, therefore, a first air inlet cavity is formed in the space between the first baffle plate and the first mesh enclosure, a first air inlet is formed between the edge of the first baffle plate and the first mesh enclosure, the first air inlet surrounds the edge of the first baffle, and is communicated with the first air inlet cavity, the first air inlet cavity is communicated with a flue of the range hood, so that a partial air inlet channel is formed on one side of the fume collecting hood assembly through the first air inlet and the first air inlet cavity, so as to suck the oil smoke in the area near the first air inlet into the range hood and discharge the oil smoke to the outside under the driving action of the fan assembly.

Similarly, a second baffle is arranged at a position corresponding to the second mesh enclosure, at least part of the second baffle and the second mesh enclosure are arranged at intervals, therefore, a second air inlet cavity is formed in the space between the second baffle and the first mesh enclosure, a second air inlet is formed between the edge of the second baffle and the first mesh enclosure, the second air inlet surrounds the edge of the second baffle, the second air inlet is communicated with the second air inlet cavity, the second air inlet cavity is communicated with a flue of the range hood, therefore, a part of air inlet channels are formed at the other side of the smoke collecting hood assembly through the second air inlet and the second air inlet cavity, and the range hood is convenient to suck and discharge the oil smoke in the area near the second air inlet under the driving action of the fan assembly.

To sum up, the lampblack absorber that this application provided has two screen panels and two baffles that correspond the setting respectively with the screen panel to cooperate respectively through two screen panels and two baffles and form two air inlet chambeies, thereby can carry the flue through two air inlet chambeies with the oil smoke simultaneously at lampblack absorber during operation, and then improved the transport efficiency of oil smoke.

Meanwhile, the first air inlet surrounding the first baffle is formed at the edge of the first baffle, so that a surrounding negative pressure area can be formed around the first baffle, oil smoke can be sucked into the first air inlet from all directions around the first baffle, the negative pressure space around the first baffle is greatly improved, the efficiency of the oil smoke entering the first air inlet is improved, and the escape rate of the oil smoke is reduced; in a similar way, a surrounding negative pressure area is formed around the second baffle plate, so that the oil smoke can be sucked into the second air inlet from all directions around the second baffle plate, the negative pressure space around the second baffle plate is greatly improved, the efficiency of the oil smoke entering the second air inlet is improved, and the escape rate of the oil smoke is reduced. And based on the arrangement form of the first air inlet and the second air inlet, the oil smoke in the middle area of the smoke collecting hood assembly can be simultaneously positioned in the negative pressure area near the first air inlet and the negative pressure area near the second air inlet, and especially the oil smoke suction efficiency of the middle area of the smoke collecting hood assembly is improved.

Consequently, compare the lampblack absorber that adopts the monoblock guide plate among the prior art, the lampblack absorber that has two baffles, two air inlet chambers and diversified suction oil smoke that this application provided has higher oil absorption cigarette, oil extraction cigarette efficiency, and lower oil smoke escape rate has better smoking effect.

Drawings

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

FIG. 1 is a schematic view of a prior art range hood employing a single baffle;

fig. 2 is a first schematic view of a range hood employing a double baffle provided in an embodiment of the present application;

fig. 3 is a second schematic view of a range hood employing a double baffle provided in an embodiment of the present application;

fig. 4 is a third schematic view of a range hood employing a double baffle provided in an embodiment of the present application;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a fourth schematic view of a range hood employing a double baffle provided in an embodiment of the present application;

fig. 7 is a schematic structural diagram of a first fixing portion according to an embodiment of the present disclosure;

fig. 8 is a schematic structural view of a second fixing portion according to an embodiment of the present disclosure;

fig. 9 is a schematic structural view of a third fixing portion according to an embodiment of the present application;

fig. 10 is a first schematic view of lampblack flowing along a range hood provided by an embodiment of the application;

fig. 11 is a second schematic view of lampblack flowing along a range hood provided by the embodiment of the application;

fig. 12 is a third schematic view of lampblack flowing along a range hood provided by the embodiment of the application;

fig. 13 is a schematic view of oil smoke provided by the embodiment of the application flowing from a kitchen range to a range hood.

Icon:

010-a baffle; 020-smoke collecting hood;

100-a fume collecting hood assembly;

200-a mesh enclosure assembly; 210-a first mesh enclosure; 220-a second mesh enclosure;

310-a first baffle; 320-a second baffle;

400-a connecting plate;

510-a first hob; 520-a second hob;

610-a first fixture; 611-a first fixed part; 6111-card connector; 6112-a clamping groove; 612-a second fixation section; 6121-a clamping hole; 6122-mounting holes; 613-fasteners; 620-a second fixture; 621-a third fixing portion; 6211-hook;

710-an oil cup; 720-oil cup holder;

800-a fan assembly;

900-a housing assembly;

a-a first air inlet cavity; b-a first air inlet; c-a second air inlet cavity; d-a second air inlet; e-a third air intake chamber; f-a fourth air inlet cavity; g-flue;

α -first angle, β -second angle, gamma-third angle, fourth angle, fifth angle, zeta-sixth angle.

Detailed Description

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

In order to solve the technical problem, the application provides a lampblack absorber that can high-efficient oil absorption cigarette, oil extraction cigarette, specifically as follows:

referring to fig. 2 to 13, the present embodiment provides a range hood, which includes a fan assembly 800, a housing assembly 900, a smoke collecting hood assembly 100, a mesh enclosure assembly 200 and an oil cup assembly, wherein the fan assembly 800 is fixed inside the housing assembly 900 by screws for providing power for sucking and exhausting smoke when the range hood is in operation, the housing assembly 900 is disposed above the smoke collecting hood assembly 100 and can be connected by a connecting plate 400 (it should be noted here that, the connecting plate 400 connects the housing assembly 900 and the smoke collecting hood assembly 100, and the related contents thereof can refer to the prior art, and will not be described in detail here), the smoke collected by the smoke collecting hood assembly 100 can flow into the housing assembly 900 and be exhausted through the fan assembly 800, the oil cup assembly includes an oil cup 710, and the oil cup 710 is fixed on the smoke collecting hood assembly 100 by an oil cup bracket 720, wherein the oil cup bracket 720 is fixed on the smoke collecting hood assembly 100 by rivets, from this, the waste oil of adhesion on the lampblack absorber then finally flows in oil cup 710 through a series of oil ducts and collects, in order to prevent oil drip and influence the kitchen health, screen panel subassembly 200 is installed in the air inlet region of collection petticoat pipe subassembly 100, so that make the oil smoke at first through screen panel subassembly 200 after inside entering flue g, oil drip granule to in the oil smoke plays certain filtration separation effect, so that follow-up waste oil of collecting, can effectively block simultaneously that external debris get into inside flue g and the fan and influence the normal use of lampblack absorber.

Further, the mesh enclosure assembly 200 in the present embodiment includes a first mesh enclosure 210 and a second mesh enclosure 220, specifically, the first mesh enclosure 210 is disposed on the left side of the fume collecting hood assembly 100, the second mesh enclosure 220 is disposed on the right side of the fume collecting hood assembly 100, and a first baffle 310 is disposed at a position corresponding to the first mesh enclosure 210, a second baffle 320 is disposed at a position corresponding to the second mesh enclosure 220, and the first baffle 310 and the first mesh enclosure 210 at least partially form a first air inlet chamber a. It should be noted here that when the first baffle 310 and the first mesh enclosure 210 are connected to each other at a position near the middle of the smoke collecting hood assembly 100, and the connection is provided with an opening, that is, when the first baffle 310 and the first mesh enclosure 210 are intermittently connected at a position near the middle of the smoke collecting hood assembly 100, a gap is formed between the first baffle 310 and the first mesh enclosure 210; when the first baffle 310 and the first mesh cover 210 are spaced apart from each other at a position close to the fume collecting hood assembly 100 and fixed therebetween by some fixing members, the first baffle 310 and the first mesh cover 210 are completely spaced apart from each other. Thus, the first baffle 310 and the first mesh cover 210 are at least partially spaced at a position near the middle of the fume collecting hood assembly 100, and of course, the connecting area of the connecting position is continuously removed on the basis of the partial spacing until the connecting area is zero, that is, the complete spacing is realized, so that the partial spacing is subordinate to the complete spacing in consideration of the dimension of removing the area from the connecting position.

In this embodiment, the first baffles 310 are disposed below the first mesh enclosure 210 at intervals, and the second baffles 320 are disposed below the second mesh enclosure 220 at intervals, which are specifically as follows:

referring mainly to fig. 2 and 10, in the present embodiment, the first mesh enclosure 210 and the first baffle 310 are spaced apart from each other to form a first air inlet chamber a therebetween, and a first air inlet b is formed between the edge of the first barrier 310 and the first mesh cover 210, the first air inlet b is communicated with the first air inlet chamber a, and the first air inlet b is arranged around the edge of the first baffle 310, therefore, when the fan assembly 800 works, a negative pressure area is generated near the first air inlet b, that is, a circle of negative pressure region is formed at the edge of the first baffle 310, so that the negative pressure space at the left side of the hood assembly 100 is greatly increased, the fume suction efficiency at the left side is improved, and the fume sucked through the first air inlet b enters the first air inlet chamber a, enters the flue g through the first air inlet cavity a and is finally discharged to the outside through the flue g under the driving action of the fan assembly 800.

Similarly, the second mesh enclosure 220 and the second mesh enclosure 320 are arranged at an interval, a second air inlet cavity c is formed between the second mesh enclosure 220 and the second mesh enclosure 320, a second air inlet d is formed between the edge of the first mesh enclosure 310 and the first mesh enclosure 210, the second air inlet d is communicated with the second air inlet cavity c, and the second air inlet d is arranged along the edge of the second mesh enclosure 320 in a surrounding manner, so that a negative pressure region is generated near the second air inlet d when the fan assembly 800 works, that is, a circle of negative pressure region is formed at the edge of the second mesh enclosure 320, thereby greatly increasing the negative pressure space at the right side of the smoke collecting hood assembly 100, improving the smoke suction efficiency at the right side, and the oil smoke sucked through the second air inlet d enters the second air inlet cavity c and enters the flue g through the second air inlet cavity c, and is finally discharged to the outside through the flue g under the driving action of the fan assembly 800.

To sum up, the lampblack absorber that this embodiment provided has two screen panels and two baffles that correspond the setting respectively with the screen panel to cooperate respectively through two screen panels and two baffles and form two air inlet chambeies, thereby can carry flue g through two air inlet chambeies with the oil smoke simultaneously at the lampblack absorber during operation, and then improved the transport efficiency of oil smoke.

Meanwhile, the first air inlet b surrounding the first baffle 310 is formed at the edge of the first baffle 310, so that a surrounding negative pressure area can be formed around the first baffle 310, oil smoke can be sucked into the first air inlet b from various directions around the first baffle 310, the negative pressure space around the first baffle 310 is greatly improved, the efficiency of the oil smoke entering the first air inlet b is improved, and the escape rate of the oil smoke is reduced; similarly, a surrounding negative pressure region is formed around the second baffle 320, so that the oil smoke can be sucked into the second air inlet d from all directions around the second baffle 320, the negative pressure space around the second baffle 320 is greatly improved, the efficiency of the oil smoke entering the second air inlet d is improved, and the escape rate of the oil smoke is reduced. Moreover, based on the arrangement form of the first air inlet b and the second air inlet d, the oil smoke in the middle area of the smoke collection cover assembly 100 can be simultaneously located in the negative pressure area near the first air inlet b and the negative pressure area near the second air inlet d, especially, the suction efficiency of the oil smoke in the middle area of the smoke collection cover assembly 100 is improved, the flowing distance of part of the oil smoke is shortened, and the problem of oil smoke escape is effectively relieved.

In addition, based on the coanda effect, when part of the oil smoke collides with the first baffle 310 and/or the second baffle 320 (specifically, the first baffle 310, the second baffle 320, or the first baffle 310 and the second baffle 320), friction is generated between the oil smoke and the surface of the first baffle 310 and/or the surface of the second baffle 320, so that the flow speed of the oil smoke is reduced, the oil smoke leaves the original flow direction and flows along the surface of the first baffle 310 and/or the surface of the second baffle 320, and finally the oil smoke is firmly adsorbed by the negative pressure at the edge of the first baffle 310 and/or the edge of the second baffle 320, so that the oil smoke is prevented from escaping outwards.

As a preferred embodiment, the range hood provided by the present embodiment further includes a connecting plate 400, specifically referring to fig. 2 and 10, the smoke collecting hood assembly 100 is fixedly connected to the housing assembly 900 through the connecting plate 400, and based on the first mesh enclosure 210 and the second mesh enclosure 220 being respectively installed at left and right sides of an air inlet area of the smoke collecting hood assembly 100, a certain space is formed between the first mesh enclosure 210 and a left side of the connecting plate 400, that is, a third air inlet chamber e is formed between the first mesh enclosure 210 and the left side of the connecting plate 400, and similarly, a certain space is formed between the second mesh enclosure 220 and a right side of the connecting plate 400, that is, a fourth air inlet chamber f is formed between the second mesh enclosure 220 and the right side of the connecting plate 400. Further, the third air inlet cavity e is located above the first mesh enclosure 210, the first air inlet cavity a is located below the first mesh enclosure 210, and meshes are distributed on the first mesh enclosure 210, so that the first air inlet cavity a and the third air inlet cavity e are communicated through the meshes, similarly, the fourth air inlet cavity f is located above the second mesh enclosure 220, the second air inlet cavity c is located below the second mesh enclosure 220, and the meshes are distributed on the second mesh enclosure 220, so that the second air inlet cavity c and the fourth air inlet cavity f are communicated through the meshes; and the third air inlet chamber e and the fourth air inlet chamber f are all communicated with a flue g of the range hood, so that in the left region of the fume collecting hood assembly 100, the first air inlet b, the first air inlet chamber a and the third air inlet chamber e form a left channel for sucking and conveying oil smoke, and in the right region of the fume collecting hood assembly 100, the second air inlet d, the second air inlet chamber c and the fourth air inlet chamber f form a right channel for sucking and conveying oil smoke, and the left channel and the right channel are all communicated with the flue g, and further, under the driving action of the fan assembly 800, the oil smoke flows into the flue g through the left channel and the right channel of the fume collecting hood assembly 100 respectively and is discharged to the outside through the flue g.

From this, compare the lampblack absorber that adopts monoblock guide plate among the prior art, the lampblack absorber that this embodiment provided has two side passageways, the absorption of oil smoke has been improved greatly, conveying efficiency, and, the oil smoke flows in two side passageways, the flow path of oil smoke has been prolonged to a certain extent, thereby the oil that is convenient for in the oil smoke drips and the flue gas separation, the inside waste oil recovery of lampblack absorber is convenient for inhale, the content of oil in the exhaust gas has been reduced simultaneously, certain positive effect has been played to the environmental protection.

As a further preferred embodiment, with continued reference to fig. 2 and 10, the first baffle 310 is disposed obliquely relative to the first mesh enclosure 210 (which may be understood as being not parallel to the first mesh enclosure 210) and forms an angle therebetween, and the second baffle 320 is disposed obliquely relative to the second mesh enclosure 220 and forms an angle therebetween. specifically, in view of how to more favorably exhaust the soot, in the present embodiment, when the first baffle 310 is disposed, the first baffle 310 and the first mesh enclosure 210 are disposed to form a first air intake chamber a having a first included angle α, and a large end (opening with a larger first included angle α) of the first air intake chamber a faces the left side of the soot collection assembly 100. similarly, the second baffle 320 and the second mesh enclosure 220 are disposed to form a second air intake chamber c having a second included angle β, and a large end (opening with a larger second angle β) of the second air intake chamber c faces the right side of the soot collection chamber assembly 100, that is, and the left end of the first air intake chamber a is closer to the right side of the soot collection chamber assembly 100, that is closer to the left side of the second air intake chamber, and the left end of the second air intake chamber c is closer to the second air intake area of the second air intake chamber 100, so that the left side of the second air intake chamber is closer to the soot collection area of the second air intake assembly, and the left side of the second air intake area of the second air intake chamber 100, that the second air intake area of the second air intake chamber c is closer to the second air intake area of the second air intake chamber 100, that the second air intake area of the second air intake chamber 100, and the second air intake area of the second area of the range of.

It should be noted here that the angles of the first included angle α and the second included angle β may be equal or unequal, the angle of the first included angle α may range from 10 ° to 70 °, specifically from 10 °, 30 °, 50 °, 70 °, and the like, and the angle of the second included angle β may range from 10 ° to 70 °, specifically from 10 °, 30 °, 50 °, 70 °, and the like, and of course, the range is not limited to the above range as long as the actual requirements can be met.

As a further preferred solution, please refer to fig. 2 and fig. 10, the first mesh cover 210 is disposed obliquely (it can be understood that they are not parallel) with respect to the left portion of the connection board 400, and forms a certain angle therebetween, and the same second mesh cover 220 is disposed obliquely with respect to the right portion of the connection board 400, and forms a certain angle therebetween. Specifically, in consideration of how to make the air intake smoother, in the present embodiment, when the first mesh cover 210 is disposed, a third air intake chamber e having a third included angle γ is disposed between the first mesh cover 210 and the left side portion of the connecting plate 400, and an open end (an opening of the third included angle γ) of the third air intake chamber e faces the middle portion of the smoke collecting hood assembly 100; similarly, a fourth air inlet chamber f having a fourth included angle is formed between the second mesh enclosure 220 and the right portion of the connection plate 400, and the open end (the opening of the fourth angle) of the fourth air intake chamber f faces the middle of the hood assembly 100, that is, the opening of the third air intake chamber e formed between the first net cover 210 and the left side portion of the connecting plate 400, opposite to the opening of the fourth air intake chamber f formed between the second mesh enclosure 220 and the right side portion of the connection plate 400, and both openings are disposed toward the flue g of the range hood, therefore, the oil smoke in the first air inlet cavity a enters the third air inlet cavity e through the first mesh cover 210 and then enters the flue g along the third air inlet cavity e, and the oil smoke in the second air inlet cavity c enters the fourth air inlet cavity f through the second mesh enclosure 220 and then enters the flue g along the fourth air inlet cavity f, further, the oil smoke sucked and conveyed from the both side ducts can be collected in the flue g and discharged through the flue g. Therefore, through the arrangement of the third air inlet cavity e and the fourth air inlet cavity f, the oil smoke in the third air inlet cavity e and the fourth air inlet cavity f can flow into the flue g more easily, and air inlet is smoother.

It should be noted here that the angles of the third included angle γ and the fourth included angle γ may be equal or unequal, and the angle range of the third included angle γ needs to be matched with the angle range of the first included angle α, and the angle range of the fourth included angle needs to be matched with the angle range of the second included angle β, therefore, considering how to improve the grease separation degree (grease separation capability in the oil fume), the angle difference among the first baffle 310, the first mesh cover 210 and the left side of the connecting plate 400, and the angle difference among the second baffle 320, the second mesh cover 220 and the right side of the connecting plate 400 are designed, so that the first baffle 310, the first mesh cover 210 and the left side of the connecting plate 400 form a layout similar to a Z shape, and the second baffle 320, the second mesh cover 220 and the right side of the connecting plate 400 form a layout similar to a Z shape, therefore, by the layout similar to a layout form similar to a Z shape, the oil fume flows in the first air inlet cavity a and the third air inlet cavity c and the fourth air inlet cavity f, and the flow rate of the oil fume is greatly increased, and the flow rate of the grease is greatly increased.

It should be noted that the specific angles of the first angle α and the third angle γ are not limited, as long as the first baffle 310, the first mesh cover 210 and the connecting plate 400 are arranged in a similar Z-shape, and the second baffle 320, the second mesh cover 220 and the connecting plate 400 are arranged in a similar Z-shape.

As a preferred embodiment, please refer to fig. 6 mainly, an included angle may be formed between the front end portion of the first baffle 310 and the front inner wall of the smoke collecting hood assembly 100, an included angle may be formed between the rear end portion of the first baffle 310 and the rear inner wall of the smoke collecting hood assembly 100, an included angle may be formed between the front end portion of the second baffle 320 and the front inner wall of the smoke collecting hood assembly 100, and an included angle may be formed between the rear end portion of the second baffle 320 and the rear side wall of the smoke collecting hood assembly 100, that is, at least one included angle is formed. In consideration of the reasonable degree of the oil smoke distribution, it is preferable in this embodiment that the above four forms (without being limited thereto, only one included angle is formed) are satisfied at the same time, and the openings of the four included angles are respectively directed to the outside of the smoke collecting hood assembly 100, that is, the openings of the included angles formed by the front and rear end portions of the first baffle 310 and the front and rear inner walls of the smoke collecting hood assembly 100 are respectively directed to the left side, and the openings of the included angles formed by the front and rear end portions of the second baffle 320 and the front and rear inner walls of the smoke collecting hood assembly 100 are respectively directed to the right side, so that negative pressure regions gradually decreasing from the left side of the smoke collecting hood assembly 100 to the middle portion are respectively formed at the front end portion and the rear end portion of the first baffle 310, and negative pressure regions at the front and rear end portions of the second baffle 320 are respectively formed to be more reasonably distributed, therefore, the oil smoke can be distributed more reasonably.

Further preferably, the included angle between the front end of the first baffle 310 and the front inner wall of the smoke collecting hood assembly 100 is equal to the included angle between the front end of the second baffle 320 and the front inner wall of the smoke collecting hood assembly 100 and is a fifth included angle, and the included angle between the rear end of the first baffle 310 and the rear inner wall of the smoke collecting hood assembly 100 is equal to the included angle between the rear end of the second baffle 320 and the rear inner wall of the smoke collecting hood assembly 100 and is a sixth included angle ζ, so that the oil smoke absorption efficiency of the front side and the rear side of the smoke collecting hood assembly 100 can design the angles of the fifth included angle and the sixth included angle ζ according to specific working conditions, and of course, the two can also be equal or unequal.

As a preferred embodiment, please refer to fig. 13 mainly, a first stove 510 is disposed below the first baffle 310, and a distance between one end of the first baffle 310 near the left side of the first fume collecting hood assembly 100 and the first stove 510 is greater than a distance between the other end of the first baffle 310 near the middle of the first fume collecting hood assembly 100 and the first stove 510, that is, when the first cookers 510 are used as the same horizontal reference, the left end of the first baffle 310 is higher than the right end, as such, when the soot hits the lower surface of the first baffle 310, the soot gradually flows to the left and right sides along the lower surface of the first baffle 310, the soot flowing to the left side is guided to the negative pressure region at the left end of the first baffle 310, the soot flowing to the right side is guided to the negative pressure region at the right end of the first baffle 310, therefore, the arrangement of the first baffle 310 can play a certain guiding role on the oil smoke, so that the oil smoke is conveniently sucked; moreover, oil drops adsorbed on the first baffle 310 can flow from the left side to the right side, so that the oil drops are convenient to recover, and the influence on the sanitation of the cooking bench caused by the oil drops dropping on the cooking bench is effectively relieved. Similarly, second baffle 320 below sets up second cooking utensils 520, the distance that second baffle 320 is close to between one end on collection petticoat pipe subassembly 100 right side and the second cooking utensils 520 is greater than the distance that second baffle 320 is close to between the other end in collection petticoat pipe subassembly 100 middle part and the second cooking utensils 520, that is, the right-hand member of second baffle 320 is higher than the left end, thereby can play certain guide effect to the oil smoke, the oil smoke of being convenient for is inhaled, and be convenient for the recovery of oil drip, alleviate oil drip and influence the sanitary problem of top of a kitchen range.

It should be noted here that, in consideration of the bilateral symmetry of the cooker and the bilateral symmetry of the range hood, in this embodiment, preferably, the left end of the first baffle 310 is higher than the right end, and the right end of the second baffle 320 is higher than the left end, that is, the first baffle 310 and the second baffle 320 have bilateral symmetry, so as to make the distribution of the negative pressure region more reasonable and to facilitate reasonable collection of oil droplets; meanwhile, the first air inlet b and the second air inlet d which are positioned in the middle area of the smoke collecting cover assembly 100 are closer to the cooker, so that the negative pressure is closer to the cooker, and the oil smoke absorption effect of the range hood is greatly improved.

As a preferred embodiment, at least one of the first barrier 310 and the second barrier 320 in this embodiment is designed as a quadrangular plate, and thus includes the following ways:

when first baffle 310 is the quadrilateral plate, owing to first baffle 310 and first screen panel 210 interval setting this moment for all there is the clearance between four edges of first baffle 310 and the first screen panel 210, these clearances form four first air intakes b promptly, thereby, the oil smoke can be followed four directions all around of first baffle 310 respectively and get into corresponding first air intake b, compare in prior art's lampblack absorber, increased the negative pressure region, promoted oil absorption cigarette efficiency.

When second baffle 320 is the quadrilateral plate, this moment because second baffle 320 and second screen panel 220 interval set up for all there is the clearance between four edges of second baffle 320 and the second screen panel 220, these clearances form four second air intakes d promptly, thereby, the oil smoke can be followed second baffle 320 all around four directions respectively and get into the second air intake d that corresponds, compare in prior art's lampblack absorber, increased the negative pressure region, promoted oil absorption cigarette efficiency.

When the first baffle 310 and the second baffle 320 are both quadrilateral plates, the first baffle 310 and the first mesh enclosure 210 are arranged at intervals, so that gaps exist between the four edges of the first baffle 310 and the first mesh enclosure 210, and the gaps form four first air inlets b, so that oil smoke can enter the corresponding first air inlets b from the front, back, left and right directions of the first baffle 310 respectively; because the second baffle 320 and the second mesh enclosure 220 are arranged at intervals, gaps exist between the four edges of the second baffle 320 and the second mesh enclosure 220, and the gaps form four second air inlets d, so that the oil smoke can enter the corresponding second air inlets d from the second baffle 320 in four directions, namely front, back, left and right. Therefore, in this embodiment, the baffle through two sets of quadrangles and the cooperation of corresponding two sets of screen panels that set up are used, have formed eight air inlet faces, promptly, this lampblack absorber can follow the octahedral air inlet, compares the lampblack absorber that adopts the monoblock guide plate among the prior art, has both increased the negative pressure space, has shortened the flow distance of oil smoke again, has improved oil absorption cigarette efficiency greatly, and has effectively alleviated the problem that the oil smoke escapes.

It should be noted that, in this embodiment, an octahedral air inlet scheme is preferably adopted to improve the oil smoke absorption efficiency, but the invention is not limited thereto. Further, the first baffle 310 and the second baffle 320 having a quadrangular shape are preferably trapezoidal plates, and the upper bottom of the trapezoidal plates is located at the left side or the right side of the fume collecting hood assembly 100, and the lower bottom is located at the middle part of the fume collecting hood assembly 100, so that the aforementioned included angle (fifth included angle, sixth included angle ζ) can be formed between the front and rear end parts of the first baffle 310 and the inner wall of the front and rear sides of the fume collecting hood assembly 100, and the aforementioned included angle (fifth included angle, sixth included angle ζ) can be formed between the front and rear end parts of the second baffle 320 and the inner wall of the front and rear sides of the fume collecting hood assembly 100, of course, the shapes of the first baffle 310 and the second baffle 320 are not limited thereto, and the first baffle 310 and the second baffle 320 can also form the aforementioned included angle without using the quadrangular.

As a preferred embodiment, referring to fig. 4, 5 and 7 to 9, the first baffle 310 and the second baffle 320 are fixed by the same fixing mechanism, which is as follows: the fixing mechanism comprises a first fixing piece 610 and a second fixing piece 620, and the first fixing piece 610 and the second fixing piece 620 are matched to be used for fixing the first baffle plate 310 or the second baffle plate 320; in consideration of the stability of the fixing of the first barrier 310 or the second barrier 320, the first fixing member 610 and the second fixing member 620 are spaced apart by a certain distance in this embodiment, i.e., fix different positions of the first barrier 310 or the second barrier 320. The fixing manner of the first baffle 310 will be described in detail below as an example, and the fixing manner of the second baffle 320 is the same as that described above, and is not described herein again.

Specifically, the first fixing element 610 includes a first fixing portion 611 and a second fixing portion 612, one end of the first fixing portion 611 has a fixing plate, the fixing plate is fixedly mounted on the first baffle 310, preferably, at a position close to the middle of the first baffle 310, while the other end is provided with a clamping head 6111, at least one side of the clamping head 6111 is provided with a clamping groove 6112, the second fixing portion 612 is preferably a fixing base, which is fixed on the connecting plate 400 and/or the mesh enclosure assembly 200 (it should be noted here that the second fixing portion 612 can be fixed on the connecting plate 400, also can be fixed on the mesh enclosure assembly 200, and can be fixed on the connecting plate 400 and the mesh enclosure assembly 200 at the same time; in addition, since this involves fixing of the first baffle 310, the mesh enclosure assembly 200 at this position can be understood as the first mesh enclosure 210), and the fixing base is provided with a clamping hole 6121, and a mounting hole 6122 for mounting the fastener 613 is provided on a side wall of, in this way, when the clamping head 6111 of the first fixing portion 611 passes through the connecting plate 400 and/or the mesh enclosure assembly 200 and is inserted into the limiting hole, the fastening piece 613 is screwed into the mounting hole 6122, and the front end portion of the fastening piece 613 is pressed into the clamping groove 6112, so that the first fixing portion 611 and the second fixing portion 612 are installed in a matched manner, that is, the middle region of the first baffle plate 310 is fixedly installed. Of course, when the first retaining portion 611 can be detached from the second retaining portion 612, the first retaining plate 310 can be detached by unscrewing the fastening element 613 to disengage the front end portion from the retaining groove 6112.

Further, the second fixing part 620 includes a third fixing part 621, one end of the third fixing part 621 also has a fixing plate, so that the fixing plate is fixedly connected to the right end of the first baffle plate 310, the other end of the third fixing part 621 has a hook 6211, when the third fixing part 621 is installed, only the hook 6211 needs to pass through a hole on the connecting plate 400 and/or the mesh enclosure component 200, and then the edge of the hole is hooked through the hook 6211, so that the fixed installation of the right end region of the first baffle plate 310 is realized. Of course, removal is required by simply disengaging the hooks 6211 from the apertures.

The specific installation process of the first baffle 310 is as follows: firstly, the hook 6211 penetrates through the hole on the connecting plate 400 and/or the mesh enclosure assembly 200, the hook 6211 is hooked at the edge of the hole, then the clamping head 6111 is inserted into the clamping hole 6121, and then the fastener 613 is screwed into the mounting hole 6122, so that the front end of the fastener 613 abuts against the clamping groove 6112, and the fixed mounting of the first baffle plate 310 is realized.

The specific disassembly process of the first baffle 310 is as follows: firstly, the fastener 613 is unscrewed to separate the front end part from the clamping groove 6112, then the clamping head 6111 is taken out from the clamping hole 6121, and finally the hook 6211 is separated from hooking at the edge of the hole, thereby realizing the disassembly of the first baffle plate 310.

From this, through the use of first mounting 610, second mounting 620 and third mounting, can reduce the loading and unloading degree of difficulty of first baffle 310, improve handling efficiency, be favorable to the maintenance of later stage lampblack absorber.

In conclusion, the range hood that this embodiment provided has two baffles, two air inlet chambers and many air intakes, has improved oil absorption cigarette efficiency greatly, has effectively alleviated the problem that the oil smoke escapes, has brought better experience for the user and has felt.

It should be further noted that, the left and right in this embodiment are the left and right in fig. 2, the up and down are the up and down in fig. 2, the front is vertically inward in fig. 2, and the back is vertically outward in fig. 2; the oil smoke mentioned in this embodiment is not limited to the smoke with oil vapor or oil droplets generated by cooking, and may include combustion exhaust gas and the like.

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

Claims

1. A range hood is characterized by comprising a smoke collecting hood assembly (100) and a mesh enclosure assembly (200) arranged in an air inlet area of the smoke collecting hood assembly (100), wherein the mesh enclosure assembly (200) comprises a first mesh enclosure (210) and a second mesh enclosure (220);

the range hood further comprises a first baffle plate (310) correspondingly arranged on the first mesh enclosure (210) and a second baffle plate (320) correspondingly arranged on the second mesh enclosure (220), wherein the first baffle plate (310) and at least part of the first mesh enclosure (210) are separated to form a first air inlet cavity (a), and a first air inlet (b) communicated with the first air inlet cavity (a) is formed at the edge of the first baffle plate (310);

the second baffle (320) and the second mesh enclosure (220) are at least partially separated to form a second air inlet cavity (c), and a second air inlet (d) communicated with the second air inlet cavity (c) is formed at the edge of the second baffle (320);

the first air inlet cavity (a) and the second air inlet cavity (c) are communicated with a flue (g) of the range hood.

2. A range hood according to claim 1, characterized in that it comprises a connecting plate (400) adapted to connect said fume collecting hood assembly (100) with a housing assembly (900) of the range hood;

a third air inlet cavity (e) is formed between the first mesh enclosure (210) and the connecting plate (400) at intervals, and the third air inlet cavity (e) is communicated with the first air inlet cavity (a) through meshes of the first mesh enclosure (210);

a fourth air inlet cavity (f) is formed between the second mesh enclosure (220) and the connecting plate (400) at intervals, and the fourth air inlet cavity (f) is communicated with the second air inlet cavity (c) through meshes of the second mesh enclosure (220);

and the third air inlet cavity (e) and the fourth air inlet cavity (f) are communicated with the flue (g).

3. A range hood as claimed in claim 2, characterized in that the first baffle (310) is obliquely arranged relative to the first mesh enclosure (210) and forms the first air inlet chamber (a) with a first included angle (α) therebetween, the large end of the first air inlet chamber (a) faces to the left side of the fume collecting hood assembly (100), and the small end faces to the middle of the fume collecting hood assembly (100);

the second baffle (320) is relative to the second screen panel (220) slope sets up, and forms between the two and have second contained angle (β) second air inlet chamber (c), the main aspects of second air inlet chamber (c) are towards the right side of collection petticoat pipe subassembly (100), and the tip is towards the middle part of collection petticoat pipe subassembly (100).

4. A range hood according to claim 3, characterized in that the first net cover (210) is obliquely arranged relative to the connecting plate (400) and forms the third air inlet chamber (e) with a third included angle (γ) therebetween, and the open end of the third air inlet chamber (e) faces to the middle of the fume collecting hood assembly (100);

the second mesh enclosure (220) is obliquely arranged relative to the connecting plate (400), a fourth air inlet cavity (f) with a fourth included angle () is formed between the second mesh enclosure and the connecting plate, and the open end of the fourth air inlet cavity (f) faces the middle of the smoke collecting hood assembly (100).

5. The range hood according to claim 4, wherein the first baffle (310), the first mesh enclosure (210) and the connecting plate (400) are distributed in a Z shape;

and/or the second baffle (320), the second mesh enclosure (220) and the connecting plate (400) are distributed in a Z shape.

6. A range hood according to any of claims 1-5 characterized in that at least one of the front end of the first baffle plate (310) and the front inner wall of the fume collecting hood assembly (100), the rear end of the first baffle plate (310) and the rear inner wall of the fume collecting hood assembly (100), the front end of the second baffle plate (320) and the front inner wall of the fume collecting hood assembly (100) and the rear end of the second baffle plate (320) and the rear inner wall of the fume collecting hood assembly (100) forms an included angle, the included angle opening towards the left side and/or the right side of the fume collecting hood assembly (100).

7. A range hood according to any of claims 1-6, characterized in that a first cooker (510) is arranged under the first baffle (310), the distance between the end of the first baffle (310) near the left side of the fume collecting hood assembly (100) and the first cooker (510) is larger than the distance between the end of the first baffle (310) near the middle of the fume collecting hood assembly (100) and the first cooker (510);

and/or, a second cooker (520) is arranged below the second baffle (320), the distance between the end part of the second baffle (320) close to the right side of the smoke collecting hood assembly (100) and the second cooker (520) is larger than the distance between the end part of the second baffle (320) close to the middle part of the smoke collecting hood assembly (100) and the second cooker (520).

8. The range hood according to any one of claims 1 to 7, wherein the first baffle (310) is a quadrilateral plate, and gaps are respectively reserved between four edges of the first baffle (310) and the first mesh cover (210) to form four first air inlets (b);

and/or the second baffle (320) is a quadrilateral plate, and gaps are reserved between the four edges of the second baffle (320) and the second mesh enclosure (220) respectively to form four second air inlets (d).

9. A range hood according to any of claims 2-5, characterized in that it further comprises a fixing mechanism for mounting the first baffle plate (310) or the second baffle plate (320);

the fixing mechanism comprises a first fixing piece (610) and a second fixing piece (620), one end of the first fixing piece (610) is connected to the area, away from the middle of the fume collecting hood assembly (100), of the first baffle plate (310) or the second baffle plate (320), and the other end of the first fixing piece is connected to the connecting plate (400) and/or the mesh enclosure assembly (200); one end of the second fixing piece (620) is connected to a region of the first baffle plate (310) or the second baffle plate (320) near the middle of the fume collecting hood assembly (100), and the other end is connected to the connecting plate (400) and/or the mesh enclosure assembly (200).

10. A range hood as claimed in claim 9, wherein the first fixing part (610) comprises a first fixing part (611) and a second fixing part (612), one end of the first fixing part (611) is fixedly connected to the middle of the first baffle plate (310) or the second baffle plate (320), the other end of the first fixing part (611) passes through the connecting plate (400) and/or the mesh enclosure assembly (200), is inserted into the second fixing part (612), and is fastened by a fastening member (613) provided on the second fixing part (620), and the second fixing part (612) is connected to the connecting plate (400) and/or the mesh enclosure assembly (200);

and/or, the second fixing piece (620) comprises a third fixing portion (621), one end of the third fixing portion (621) is fixedly connected to the edge of the first baffle plate (310) or the second baffle plate (320) close to the middle of the smoke collecting hood assembly (100), and the other end of the third fixing portion (621) passes through and is hooked on the connecting plate (400) and/or the mesh enclosure assembly (200).