CN219063553U - Fume exhaust fan - Google Patents

Abstract

The utility model relates to and discloses a range hood. Relates to the technical field of household appliances. The application specifically includes the lampblack absorber shell that is equipped with the collection cigarette chamber in, is used for the air intake with collection cigarette chamber and external intercommunication on the lampblack absorber shell for open or close air intake upper portion first fender cigarette board to and be used for carrying out the second fender cigarette board that shelters from to the air intake lower part, the second keeps off cigarette board and can dismantle the installation on the lampblack absorber shell. When the upper part of the air inlet is closed by the first smoke baffle plate, the second smoke baffle plate is arranged on the shell of the range hood to shield the lower part of the air inlet, so that accumulated oil on the first smoke baffle plate is guided by the second smoke baffle plate and collected at the bottom of the smoke collecting cavity, and further, the accumulated oil on the first smoke baffle plate is prevented from directly dripping on a kitchen range or other objects to cause inconvenient cleaning of a user, and the second smoke baffle plate is detachably arranged on the shell of the range hood, so that the user can conveniently clean the inner sides of the first smoke baffle plate and the second smoke baffle plate and the inner part of the smoke collecting cavity.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of household appliances, in particular to a range hood.

Background

The current lampblack absorber can set up the fender cigarette board that can open and shut on the lampblack absorber shell generally, when the lampblack absorber during operation, open the fender cigarette board, make the oil smoke under the effect of blockking of fender cigarette board, in the collection cigarette chamber of better entering lampblack absorber to make the lampblack absorber reach better extraction oil smoke's effect, when the lampblack absorber is at the closed state, the fender cigarette board closes collection cigarette chamber. However, if the smoke collecting cavity of the range hood is not cleaned for a long time, accumulated oil is easy to generate on the smoke baffle plate, the accumulated oil on the smoke baffle plate is directly dripped on a kitchen range or other objects, so that the cleaning of a user is inconvenient, and meanwhile, when the range hood is in a closed state, the smoke baffle plate also closes the smoke collecting cavity, so that the cleaning of the smoke collecting cavity of the range hood is inconvenient for the user.

The prior art discloses a driving mechanism of lampblack absorber smoke baffle, including being fixed in the inboard of lampblack absorber's panel and having the drive arrangement of output shaft to and be located the hinge of the inboard one end of smoke baffle, the panel inboard of lampblack absorber is equipped with first drive assembly and second drive assembly, first drive assembly connect the output shaft with the hinge, second drive assembly connect first drive assembly with the smoke baffle, second drive assembly with first drive assembly articulates each other through supplementary hinge, the output shaft warp first drive assembly drives the hinge removes, and simultaneously warp second drive assembly drives the smoke baffle rotates around the hinge, and then makes the smoke baffle opens or closes air intake on the panel. The smoke baffle driving mechanism enables the rotation of the smoke baffle not to cause abrasion, the movement track of the smoke baffle is irregular, the smoke baffle can be adjusted according to the installation position, and the driving mechanism is small in size and easy to install and produce. However, when the range hood using the driving mechanism is in a closed state, the smoke baffle plate also closes the smoke collecting cavity, so that inconvenience is brought to a user in cleaning the smoke collecting cavity of the range hood.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides the range hood, which not only can solve the problem of oil dripping caused by the smoke baffle plate of the range hood in the closed state, but also is convenient for a user to clean the smoke collecting cavity of the range hood.

The utility model provides a range hood, which comprises a range hood shell, wherein a smoke collecting cavity is arranged in the range hood shell, an air inlet is formed in the range hood shell and used for communicating the smoke collecting cavity with the outside, a first smoke baffle plate is used for opening or closing the upper part of the air inlet, and a second smoke baffle plate is used for shielding the lower part of the air inlet, and the second smoke baffle plate is detachably arranged on the range hood shell.

Further, a gap is arranged between the second smoke baffle plate arranged on the range hood shell and the air inlet.

Further, the width of the second smoke baffle is larger than that of the first smoke baffle, and the width of the first smoke baffle is larger than that of the air inlet.

Further, a clamping piece is arranged on the second smoke baffle, and a clamping groove for plugging or unplugging the clamping piece is arranged on the range hood shell.

Further, the range hood further comprises a push rod for pushing the first smoke baffle to open or close the upper part of the air inlet, and a driving mechanism for driving the push rod to move.

Further, the air inlet extends downwards obliquely at one side of the range hood shell, the first smoke baffle is used for opening or closing the upper part of the air inlet extending downwards obliquely at one side of the range hood shell, and the second smoke baffle is used for shielding the lower part of the air inlet extending upwards obliquely at one side of the range hood shell.

Further, the range hood further comprises an oil cup arranged at the bottom of the range hood shell, the air inlet extends to the bottom of the range hood shell from one side of the range hood shell towards the obliquely lower direction, and the oil cup is used for receiving accumulated oil in the smoke collecting cavity.

Further, the included angle between the back surface and the front end surface of the second smoke baffle plate is set to be an acute angle.

Further, chamfer angles are arranged on the left side and the right side of the front end of the first smoke baffle.

Further, the bottom of first fender cigarette board is equipped with leads the oil groove, it is equipped with the oil outlet to lead the oil groove bottom.

The range hood provided by the utility model has the following gain effects:

(1) When the upper part of the air inlet is closed by the first smoke baffle plate of the range hood, the second smoke baffle plate is arranged on the shell of the range hood to shield the lower part of the air inlet, so that accumulated oil on the first smoke baffle plate is guided by the second smoke baffle plate and collected at the bottom of the smoke collecting cavity, and the accumulated oil on the first smoke baffle plate is prevented from directly dripping on a kitchen range or other objects, so that the cleaning of a user is inconvenient;

(2) The second smoke baffle plate of the range hood is detachably arranged on the range hood shell, and when the second smoke baffle plate is detached from the range hood shell, the interior of the smoke collecting cavity shielded by the second smoke baffle plate is exposed, so that a user can conveniently clean the inner sides of the first smoke baffle plate and the second smoke baffle plate and the interior of the smoke collecting cavity;

(3) The gap is arranged between the second smoke baffle plate and the air inlet, so that when a user cooks with less smoke, the first smoke baffle plate is not required to be opened, and the smoke is sucked into the smoke collecting cavity through the gap, thereby reducing the influence on cooking operation of the user when the first smoke baffle plate is opened, and enabling the second smoke baffle plate to better receive accumulated oil dropping from the bottom of the first smoke baffle plate;

(4) The width of the second smoke baffle plate of the range hood is larger than that of the first smoke baffle plate, the width of the first smoke baffle plate is larger than that of the air inlet, the first smoke baffle plate can shield the upper part of the air inlet, the second smoke baffle plate can shield the lower part of the air inlet, and meanwhile, when the second smoke baffle plate drops along the width direction of the first smoke baffle plate, the second smoke baffle plate can guide the second smoke baffle plate and collect the second smoke baffle plate at the bottom of the smoke collecting cavity;

(5) The included angle between the back surface and the front end surface of the second smoke baffle plate of the range hood is set to be an acute angle, a gap is reserved between the second smoke baffle plate and one side of the range hood shell when the second smoke baffle plate is arranged on the range hood shell, and the acute angle of the front end of the second smoke baffle plate is set, so that a dislocation interval is generated between the second smoke baffle plate and the first smoke baffle plate, and the second smoke baffle plate avoids a rotary motion path of the first smoke baffle plate to prevent interference;

(6) The first smoke baffle bottom of this lampblack absorber sets up the oil guide groove of a bordure, makes the inboard oil accumulation of first smoke baffle, concentrates the whereabouts from the oil outlet of oil guide groove, is accepted by the second smoke baffle again and is directed to the oil cup of collection cigarette chamber bottom to effectively reduce the oil accumulation that drops in first smoke baffle lower edge department, alleviateed user's clean burden.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model. In the drawings, like reference numerals are used to identify like elements.

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

fig. 2 is a side view of a range hood according to an embodiment of the present utility model;

fig. 3 is a schematic view illustrating an installation of a second smoke baffle of a range hood on a housing of the range hood according to an embodiment of the present utility model;

fig. 4 is a schematic installation view of a first smoke baffle of a range hood on a housing of the range hood according to an embodiment of the present utility model.

In the figure: 1. a range hood housing; 11. an air inlet; 12. a clamping groove; 2. a first smoke baffle; 21. an oil guiding groove; 22. an oil outlet hole; 23. a push rod; 3. a second smoke baffle; 31. a clamping piece; 4. an oil cup.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any creative effort based on the embodiments of the present utility model are included in the protection scope of the present utility model.

The range hood comprises a range hood shell 1 with a smoke collecting cavity inside, an air inlet 11 on the range hood shell 1 for communicating the smoke collecting cavity with the outside, a first smoke baffle plate 2 for opening or closing the upper part of the air inlet 11, and a second smoke baffle plate 3 for shielding the lower part of the air inlet 11, wherein the second smoke baffle plate 3 is detachably arranged on the range hood shell 1, and the specific effect is shown in figure 1.

In this application, be equipped with the collection cigarette chamber in the lampblack absorber shell 1, and be equipped with the air intake 11 with collection cigarette chamber and external intercommunication on the lampblack absorber shell 1 to when the lampblack absorber starts, in sucking the collection cigarette chamber with the oil smoke through air intake 11, realize the absorption of lampblack absorber to the oil smoke in the kitchen. The smoke ventilator is characterized in that a first smoke baffle plate 2 is arranged on a smoke ventilator shell 1, the first smoke baffle plate 2 can open or close the upper part of an air inlet 11, when the smoke ventilator is required to be used for adsorbing the kitchen smoke, the upper part of the air inlet 11 is firstly opened through the first smoke baffle plate 2, and then the smoke ventilator is started, so that the kitchen smoke enters a smoke collecting cavity through the upper part of the air inlet 11 under the blocking of the first smoke baffle plate 2; after the range hood stops working, the upper part of the air inlet 11 is closed through the first smoke baffle plate 2, so that on one hand, the oil smoke in the smoke collecting cavity can be prevented from escaping, and on the other hand, the first smoke baffle plate 2 can shield the inner cavity structure of the range hood shell 1, so that the whole range hood is tidier in the sight range of a user.

The smoke exhaust ventilator is characterized in that the smoke exhaust ventilator shell 1 is further provided with the second smoke baffle 3, when the upper part of the air inlet 11 is closed by the first smoke baffle 2, the lower part of the air inlet 11 is shielded by the second smoke baffle 3 arranged on the smoke exhaust ventilator shell 1, so that accumulated oil on the first smoke baffle 2 is guided by the second smoke baffle 3 and collected at the bottom of the smoke collecting cavity, and the accumulated oil on the first smoke baffle 2 is prevented from directly dripping on a kitchen range or other objects, so that the cleaning of a user is inconvenient. The second smoke baffle 3 is detachably mounted on the range hood shell 1, and when the second smoke baffle 3 is detached from the range hood shell 1, the interior of the smoke collecting cavity shielded by the second smoke baffle 3 is exposed, so that a user can conveniently clean the inner sides of the first smoke baffle 2 and the second smoke baffle 3 and the interior of the smoke collecting cavity.

In this embodiment, a gap is arranged between the second smoke baffle 3 installed on the range hood housing 1 and the air inlet 11, and the specific effect is shown in fig. 1 and 2. When the second smoke baffle 3 is arranged on one side of the range hood shell 1, a certain distance is reserved between the inner side surface of the second smoke baffle 3 and the side surface of the range hood shell 1, so that a gap exposing the lower part of the air inlet 11 is reserved between the second smoke baffle 3 and the range hood shell 1, on one hand, when a user cooks with less smoke, the first smoke baffle 2 is not required to be opened, and the smoke is sucked into the smoke collecting cavity through the gap, so that the influence on cooking operation of the user when the first smoke baffle 2 is opened is reduced; on the other hand, when the upper part of the air inlet 11 is closed by the first smoke baffle 2, the first smoke baffle is attached to the side face of the range hood shell 1, and the second smoke baffle 3 is located below the first smoke baffle 2 and extends outwards on one side of the range hood shell 1, so that the second smoke baffle 3 can better receive accumulated oil dropped from the bottom of the first smoke baffle 2, and the accumulated oil on the first smoke baffle 2 is prevented from directly dropping on a kitchen range or other objects, so that the cleaning of a user is inconvenient.

In this embodiment, the width of the second smoke barrier 3 is larger than the width of the first smoke barrier 2, and the width of the first smoke barrier 2 is larger than the width of the air inlet 11. The width of the first smoke baffle plate 2 is set to be larger than the width of the air inlet 11, so that oil smoke can enter the smoke collecting cavity through the air inlet 11 better under the blocking of the first smoke baffle plate 2 when the upper part of the air inlet 11 is opened by the first smoke baffle plate 2, and the upper part of the air inlet 11 can be sealed by the first smoke baffle plate 2 when the upper part of the air inlet 11 is closed by the first smoke baffle plate 2, so that the smoke collecting cavity of the range hood shell 1 is shielded.

In this application, the width of second cigarette baffle 3 is greater than the width of first cigarette baffle 2, and the width of first cigarette baffle 2 is greater than the width of air intake 11, therefore the width of second cigarette baffle 3 is greater than the width of air intake 11 to make second cigarette baffle 3 shelter from the lower part of air intake 11, and then shelter from the collection cigarette chamber of lampblack absorber shell 1. The width of the second smoke baffle 3 is set to be larger than the width of the first smoke baffle 2, namely, the width range of the first smoke baffle 2 is within the width range of the second smoke baffle 3, so that accumulated oil on the first smoke baffle 2 can be collected at the bottom of a smoke collecting cavity through the guidance of the second smoke baffle 3 when the accumulated oil drops along the width direction of the first smoke baffle 2, and the accumulated oil on the first smoke baffle 2 can be prevented from directly dropping on a kitchen range or other objects better, so that the cleaning of a user is inconvenient.

In this embodiment, the second smoke baffle 3 is provided with a clamping piece 31, and the casing 1 of the range hood is provided with a clamping groove 12 for plugging or unplugging the clamping piece 31, as shown in fig. 3. The second smoke baffle 3 is provided with a clamping piece 31, the range hood shell 1 is provided with a clamping groove 12, and the second smoke baffle 3 is arranged on the range hood shell 1 by inserting the clamping piece 31 into the clamping groove 12. When the smoke collecting cavity in the range hood shell 1, and the inner sides of the first smoke baffle plate 2 and the second smoke baffle plate 3 are required to be cleaned, the clamping piece 31 is pulled out of the clamping groove 12, the second smoke baffle plate 3 can be detached from the range hood shell 1, the detached second smoke baffle plate 3 is convenient to clean, meanwhile, the lower part of the air inlet 11 shielded by the second smoke baffle plate 3 is exposed, the exposed air inlet 11 is used for cleaning the smoke collecting cavity, and the inner sides of the first smoke baffle plate 2 can be cleaned, so that the range hood is more convenient to clean.

It is envisioned that: in order to keep a certain distance between the inner side surface of the second smoke baffle plate 3 and the side surface of the range hood housing 1 when the second smoke baffle plate 3 is arranged on one side of the range hood housing 1, the length of the clamping piece 31 on the second smoke baffle plate 3 is slightly larger than the depth of the clamping groove 12 on the range hood housing 1. In the present application, the length of the engaging piece 31 is preferably longer than the depth of the engaging groove 12 by 5 to 10mm, and when the second smoke baffle 3 is mounted on the side of the range hood housing 1, a gap of 5 to 10mm is left between the inner side surface of the second smoke baffle 3 and the side surface of the range hood housing 1.

In this embodiment, the range hood further includes a push rod 23 for pushing the first smoke baffle 2 to open or close the upper portion of the air inlet 11, and a driving mechanism for driving the push rod 23 to move. The range hood further comprises a push rod 23 and a driving mechanism, wherein the push rod 23 is driven to move through the driving mechanism, so that the push rod 23 pushes the first smoke baffle plate 2 to open or close the upper part of the air inlet 11, and the automatic opening and closing of the first smoke baffle plate 2 are realized. For a specific embodiment of the driving mechanism driving the push rod 23 to push the first smoke baffle 2 to open or close the upper portion of the air inlet 11, refer to the chinese patent publication No. CN206160233U, entitled automatic opening and closing mechanism for smoke baffle of a smoke machine.

In this embodiment, the air inlet 11 extends obliquely downwards on one side of the range hood housing 1, and when the upper part of the air inlet 11 extending obliquely downwards on one side of the range hood housing 1 is opened by the first smoke baffle 2, the upper part of the air inlet 11 extending obliquely downwards can better suck the oil smoke in the lower frying pan into the smoke collecting cavity, so that the smoke collecting effect of the range hood is better. When the upper part of the air inlet 11 extending downwards obliquely at one side of the range hood shell 1 is closed by the first smoke baffle plate 2, the first smoke baffle plate 2 is attached to the upper part of the air inlet 11 extending downwards obliquely at one side of the range hood shell 1, the first smoke baffle plate 2 extends downwards obliquely at one side of the range hood shell 1, the second smoke baffle plate 3 is positioned below the first smoke baffle plate 2, the lower part of the air inlet 11 extending upwards obliquely at one side of the range hood shell 1 is shielded, the second smoke baffle plate 3 can receive accumulated oil dropping on the first smoke baffle plate 2 and guide the accumulated oil to the bottom of the smoke collecting cavity, so that the accumulated oil on the first smoke baffle plate 2 is prevented from directly dropping on a kitchen range or other objects, and the cleaning of a user is inconvenient.

In this embodiment, the oil cup 4 is further disposed at the bottom of the range hood housing 1, the air inlet 11 extends to the bottom of the range hood housing 1 obliquely downward at one side of the range hood housing 1, and the oil cup 4 is used for receiving accumulated oil in the smoke collecting cavity, and the specific effect is shown in fig. 1. The air inlet 11 extends to the bottom of the range hood shell 1 from one side of the range hood shell 1 towards the obliquely downward direction, and the bottom of the range hood shell 1 is provided with an oil cup 4, so that the oil cup 4 receives accumulated oil in a smoke collecting cavity. Because the first smoke baffle plate 2 is attached to the upper part of the air inlet 11 obliquely downwards when the upper part of the air inlet 11 is closed, the second smoke baffle plate 3 is positioned below the first smoke baffle plate 2 and extends outwards at one side of the range hood shell 1, so that the second smoke baffle plate 3 can receive accumulated oil dropped on the first smoke baffle plate 2 and guide the accumulated oil to the oil cup 4 at the bottom of the smoke collecting cavity.

It is envisioned that: the oil cup 4 is detachably arranged at the bottom of the range hood shell 1, after the oil cup 4 is fully filled with accumulated oil, the oil cup 4 can be detached from the range hood shell 1, the accumulated oil in the oil cup 4 is emptied and then is arranged on the range hood shell 1, so that the oil cup 4 is prevented from being continuously used after being fully filled with the accumulated oil, the accumulated oil in the oil cup 4 can overflow and drop on a kitchen range or other objects, and the cleaning of a user is inconvenient. Specific embodiments may be: the two side walls of the bottom of the range hood shell 1 are provided with sliding grooves, two sides of the oil cup 4 are provided with plug-in parts which are respectively plugged with the two sliding grooves, so that the oil cup 4 is installed at the bottom of the range hood shell 1 through the plug-in parts on two sides of the oil cup 4 and the sliding grooves on the range hood shell 1. The oil cup 4 can be detached from the range hood housing 1 by extracting the plug-in parts on both sides of the oil cup 4 from the sliding grooves on the range hood housing 1.

In this embodiment, the included angle between the back surface and the front end surface of the second smoke baffle 3 is set to be an acute angle, and the specific effect is shown in fig. 2. The back and the preceding terminal surface contained angle of conventional second cigarette baffle 3 are right angle, and this application is through reducing its contained angle into the acute angle, and when installing on lampblack absorber shell 1 through second cigarette baffle 3, leave the gap with lampblack absorber shell 1 one side between to and the setting of second cigarette baffle 3 front end acute angle makes second cigarette baffle 3 and first cigarette baffle 2 produce dislocation interval, thereby makes second cigarette baffle 3 avoid the rotary motion route of first cigarette baffle 2, prevents to interfere.

In this embodiment, the left and right sides of the front end of the first smoke baffle 2 are provided with chamfer angles, and the specific effect is shown in fig. 4. When the first smoke baffle 2 is opened to operate, a user is liable to collide with the edge of the first smoke baffle 2 without noticing. Since pressure = pressure/area, the smaller the contact area, the greater the pressure, when the pressure is the same. Therefore, when touching the right-angle edge of the first smoke baffle plate 2, the contact area between the first smoke baffle plate and the right-angle edge is small, the pressure is strong, the damage caused by the collision between the user and the first smoke baffle plate is large, and the use experience is influenced.

According to the method, the right-angle edge of the first smoke baffle plate 2 is subjected to beveling, the edge is replaced by a plane, two obtuse angles are added, when a user touches the plane, the contact area is increased, the pressure intensity is small, and the damage caused by collision of the user with the plane is reduced; when a user collides with two obtuse angles, the contact area of the obtuse angle is larger than that of the right angle, so that the acting force is smaller than that when the user collides with the right angle, and the damage is smaller.

In this embodiment, the bottom of the first smoke baffle 2 is provided with an oil guiding groove 21, and the bottom of the oil guiding groove 21 is provided with an oil outlet 22, and the specific effect is shown in fig. 4. The bottom of the first smoke baffle plate 2 is provided with the edge-wrapping type oil guide groove 21, so that accumulated oil on the inner side of the first smoke baffle plate 2 flows towards the middle along the path of the oil guide groove 21 to form a centralized dripping trend, the middle of the oil guide groove 21 is provided with the oil outlet 22, the accumulated oil in the oil guide groove 21 is enabled to drip concentratedly through the oil outlet 22 on the bottom, and then the accumulated oil is received by the second smoke baffle plate 3 and guided into the oil cup 4 on the bottom of the smoke collecting cavity, so that the accumulated oil dripping at the lower edge of the first smoke baffle plate 2 is effectively reduced, and the cleaning burden of a user is lightened.

In this application, the thickness of the oil guiding groove 21 can be set to be about 1.5mm, so that the oil guiding groove 21 can store a small amount of accumulated oil, the falling time of the accumulated oil in the oil guiding groove 21 can be delayed, and the cleaning frequency can be reduced. The oil outlet 22 may be in the form of a round hole or a racetrack hole, etc., and may be specifically determined according to actual production conditions. It is envisioned that: when the bottom of first cigarette baffle 2 is equipped with oil groove 21, the length of first cigarette baffle 2 shortens, again with first cigarette baffle 2 bottom edge embedding oil groove 21 in, make its total length keep unanimous rather than former length to can not make first cigarette baffle 2 overlength lead to the motion track to overlap with second cigarette baffle 3, also realized the oil groove 21 to the global cover of first cigarette baffle 2 bottom edge, make the oil collecting area of oil groove 21 wider.

The above description may be implemented alone or in various combinations and these modifications are within the scope of the present utility model.

Claims (10)

1. The utility model provides a lampblack absorber which characterized in that: including being equipped with lampblack absorber shell (1) of collection cigarette chamber in, be used for on lampblack absorber shell (1) with collection cigarette chamber and external intercommunication's air intake (11), be used for with first fender cigarette board (2) that air intake (11) upper portion was opened or was closed, and be used for right second fender cigarette board (3) that air intake (11) lower part sheltered from, second fender cigarette board (3) are in demountable installation on lampblack absorber shell (1).

2. A range hood as recited in claim 1, wherein: a gap is arranged between the second smoke baffle (3) arranged on the range hood shell (1) and the air inlet (11).

3. A range hood as recited in claim 1, wherein: the width of the second smoke baffle plate (3) is larger than that of the first smoke baffle plate (2), and the width of the first smoke baffle plate (2) is larger than that of the air inlet (11).

4. A range hood as recited in claim 1, wherein: the second smoke baffle plate (3) is provided with a clamping piece (31), and the range hood shell (1) is provided with a clamping groove (12) for plugging or unplugging the clamping piece (31).

5. A range hood as recited in claim 1, wherein: the range hood further comprises a push rod (23) used for pushing the first smoke baffle plate (2) to open or close the upper part of the air inlet (11), and a driving mechanism used for driving the push rod (23) to move.

6. A range hood as recited in claim 1, wherein: the air inlet (11) extends downwards obliquely on one side of the range hood shell (1), the first smoke baffle (2) is used for opening or closing the upper part of the air inlet (11) extending downwards obliquely on one side of the range hood shell (1), and the second smoke baffle (3) is used for shielding the lower part of the air inlet (11) extending upwards obliquely on one side of the range hood shell (1).

7. A range hood as recited in claim 6, wherein: the range hood further comprises an oil cup (4) arranged at the bottom of the range hood shell (1), the air inlet (11) extends to the bottom of the range hood shell (1) obliquely downwards at one side of the range hood shell (1), and the oil cup (4) is used for receiving accumulated oil in the smoke collecting cavity.

8. A range hood as recited in claim 1, wherein: the included angle between the back surface and the front end surface of the second smoke baffle plate (3) is set to be an acute angle.

9. A range hood as recited in claim 1, wherein: the left side and the right side of the front end of the first smoke baffle plate (2) are provided with chamfer angles.

10. A range hood as recited in claim 1, wherein: the bottom of first fender cigarette board (2) is equipped with oil groove (21), oil groove (21) bottom is equipped with oil outlet (22).

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