CN213810779U - Fume exhaust fan - Google Patents

Abstract

The utility model relates to a range hood, including casing and baffle, the casing encloses into the collection smoke chamber, be equipped with the spray arm in the collection smoke chamber, the casing is equipped with the oil smoke sunction inlet, the baffle sets up oil smoke sunction inlet department, the baffle for the casing is mobile, so that the oil smoke sunction inlet is opened or is closed. When the oil smoke is normally pumped at ordinary times, the baffle is in a state that the oil smoke suction inlet is opened relative to the shell, so that the external oil smoke can be sucked into the smoke collection cavity from the oil smoke suction inlet and then discharged outdoors. When the smoke collecting cavity needs to be cleaned, the baffle moves relative to the shell to shield the oil smoke suction inlet, and cleaned stains are prevented from falling out of the oil smoke suction inlet. The convenience of cleaning is improved.

Description

Fume exhaust fan

Technical Field

The utility model relates to a kitchen appliance technical field especially relates to lampblack absorber.

Background

The range hood can exhaust oil smoke in a kitchen to the outside, so that the indoor cleanness is kept. And the oil smoke can be partially attached to the oil smoke machine when passing through the oil smoke machine, and the oil smoke machine can cause serious dirt after being used for a long time. And the inner cavity of the range hood is difficult to view and touch outside, so that the inner cavity of the range hood is difficult to clean. In addition, a smoke suction inlet for sucking smoke is generally formed in the range hood, and if the internal cavity of the range hood is cleaned, stains during cleaning may fall on the table top of the cabinet from the smoke suction inlet, which brings inconvenience to the cleaning process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the not convenient enough problem of lampblack absorber inner chamber washing, provided a lampblack absorber, can improve abluent convenience.

The utility model provides a range hood, includes casing and baffle, the casing encloses into the collection smoke chamber, be equipped with the spray arm in the collection smoke chamber, the casing is equipped with the oil smoke sunction inlet, the baffle sets up oil smoke sunction inlet department, the baffle for the casing is mobile, so that the oil smoke sunction inlet is opened or is closed.

The above scheme provides a range hood, and when normally pumping oil smoke at ordinary times, the baffle is in for the casing is in the state that the oil smoke sunction inlet is opened for external oil smoke can be followed the oil smoke sunction inlet is inhaled in the collection smoke chamber, then discharge outdoor again. When the smoke collecting cavity needs to be cleaned, the baffle moves relative to the shell to shield the oil smoke suction inlet, and cleaned stains are prevented from falling out of the oil smoke suction inlet. The convenience of cleaning is improved.

In one embodiment, the baffle is arranged at the oil fume suction opening in an openable and closable manner.

In one embodiment, the baffle is hinged with the shell, the baffle is provided with a buckle, and when the baffle moves to shield the lampblack suction inlet, the buckle is buckled with the shell;

or the positioning limiting rod is hinged with the shell and connected with the baffle and the shell for limiting the opening and closing angle of the baffle relative to the shell.

In one embodiment, the surface of the spray arm provided with the spray holes faces the lampblack suction inlet.

In one embodiment, the housing includes a back plate, a top plate, a front plate and two side plates, the back plate, the top plate and the front plate are enclosed according to a triangular prism shape, the two side plates respectively close two ends of a triangular prism space enclosed by the back plate, the top plate and the front plate to enclose the smoke collection cavity, the spray arm is arranged on the back plate, the smoke suction port is formed on the side plates, and the spray arm is arranged opposite to the smoke suction port.

In one embodiment, the spraying device further comprises a conveying power piece, and a water outlet of the conveying power piece is communicated with the spraying arm.

In one embodiment, the device further comprises a water inlet pipe, the smoke collection cavity comprises a water storage area for storing liquid required by washing, and the water inlet pipe is communicated with the water inlet of the power transmission part and the water storage area.

In one embodiment, the water storage device further comprises an oil cup, an opening is formed in the connecting position of the back plate and the front plate, the oil cup is detachably arranged at the opening, the space in the oil cup is the water storage area, and the water inlet pipe extends into the oil cup.

In one embodiment, the device further comprises a fan assembly and an air duct, the top plate is provided with a smoke collection cavity outlet, the air duct is communicated with the smoke collection cavity outlet, the air duct is provided with a smoke outlet, the fan assembly is located between the smoke collection cavity outlet and the smoke outlet, and the conveying power piece is located in the air duct.

In one embodiment, a touch screen is arranged on the baffle and is electrically connected with the power transmission part.

In one embodiment, an oil net is arranged at the oil fume suction port.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

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

Fig. 1 is a front view of the range hood according to the embodiment;

FIG. 2 is an isometric view of the range hood of FIG. 1 with the baffle hidden;

FIG. 3 is a schematic structural view of the range hood shown in FIG. 1 when a baffle shields a lampblack suction inlet;

fig. 4 is a sectional view of the range hood shown in fig. 3;

FIG. 5 is a schematic structural view of the range hood shown in FIG. 1 when the lampblack suction inlet is opened;

FIG. 6 is a cross-sectional view of the range hood of FIG. 5;

FIG. 7 is a system diagram of a connection between a spray arm and a power transmission member in the range hood according to the embodiment;

FIG. 8 is an isometric view of the range hood in another embodiment;

fig. 9 is a schematic structural view of the range hood shown in fig. 8 after a baffle is hidden;

FIG. 10 is a cross-sectional view of the range hood of FIG. 8;

fig. 11 is a schematic structural view of the range hood of fig. 8 in another state;

FIG. 12 is a front view of the range hood after installation;

fig. 13 is an isometric view of the range hood of fig. 12 after installation.

Description of reference numerals:

10. a range hood; 11. a housing; 111. a smoke collection cavity; 1111. a water storage area; 1112. a water level sensor; 112. a lampblack suction inlet; 1121. an oil screen; 113. a back plate; 114. a top plate; 115. a front plate; 116. a side plate; 117. a water inlet interface; 1171. a water inlet switch valve; 1172. a water inlet pipe; 118. a water outlet interface; 1181. a water outlet switch valve; 1182. a drain pipe; 12. a spray arm; 13. a baffle plate; 131. positioning a limiting rod; 132. a touch screen; 14. conveying a power part; 141. a water outlet pipe; 142. a water inlet pipe; 15. an oil cup; 16. a shielding plate; 17. a fan assembly; 18. an air duct; 181. a smoke outlet; 20. a sewer pipe.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1 and 2, in one embodiment, a range hood 10 is provided, including a housing 11, the housing 11 enclosing a smoke collection chamber 111. The oil smoke sucked into the range hood 10 firstly enters the smoke collecting cavity 111 and then is further discharged out of the range hood 10 by the fan assembly 17 of the range hood 10.

As shown in fig. 2, the housing 11 is provided with a soot suction opening 112. During use, external oil smoke can be sucked into the smoke collection cavity 111 from the oil smoke suction port 112.

Further, as shown in fig. 2, in one embodiment, a spray arm 12 is disposed in the smoke collection chamber 111, and the spray arm 12 can spray a liquid for washing, such as water or detergent, into the smoke collection chamber 111, so that the inner wall of the smoke collection chamber 111, which is not normally reached, is cleaned.

Further, as shown in fig. 3 to 6, in an embodiment, the range hood 10 further includes a baffle 13, the baffle 13 is disposed at the oil smoke suction opening 112, and the baffle 13 is movable relative to the housing 11 to open or close the oil smoke suction opening 112. In other words, the baffle 13 has a first state and a second state relative to the housing 11, the first state is that the baffle 13 shields the soot suction port 112, and the second state is that a gap exists between the baffle 13 and the housing 11 to conduct the soot suction port 112.

When the oil smoke is normally extracted at ordinary times, as shown in fig. 5 and 6, the baffle 13 is in a state where the oil smoke suction opening 112 is opened with respect to the housing 11, so that the external oil smoke can be sucked into the smoke collection chamber 111 from the oil smoke suction opening 112 and then discharged to the outside. When the smoke collection cavity 111 needs to be cleaned, as shown in fig. 3 and 4, the baffle 13 moves relative to the housing 11 to shield the oil smoke suction port 112, so that cleaning stains or liquid sprayed by the spray arm 12 are prevented from falling out of the range hood 10 from the oil smoke suction port 112, and cleaning convenience is improved.

More specifically, in one embodiment, the baffle 13 is removably coupled to the housing 11. So that the baffle 13 is detached from the shell 11 when normal oil smoke is extracted; when the smoke collection chamber 111 needs to be cleaned, the baffle 13 is assembled to the housing 11 to shield the smoke suction opening 112.

Or, alternatively, in another embodiment, as shown in fig. 3 to 6, the baffle 13 is openably and closably disposed at the soot suction opening 112.

Specifically, the baffle 13 may be hinged to the housing 11, and the opening/closing state may be switched by rotation. Alternatively, the baffle 13 may be slidably disposed with the housing 11, and the open/close state switching is realized by a sliding manner. When the oil smoke is normally pumped out at ordinary times, the baffle 13 is closed at the oil smoke suction port 112; when the smoke collection cavity 111 needs to be cleaned, the baffle 13 is opened, a gap is formed between the baffle 13 and the shell 11, and external oil smoke is sucked into the smoke collection cavity 111 through the gap through the oil smoke suction port 112.

More specifically, in one embodiment, the baffle 13 is hinged to the housing 11, and the baffle 13 is provided with a buckle which is buckled with the housing 11 when the baffle 13 moves to cover the lampblack suction inlet 112. When the oil smoke needs to be extracted, the buckle and the shell 11 are disassembled, so that the baffle 13 rotates relative to the shell 11, and the oil smoke suction port 112 is opened and communicated.

In particular, one side of the flap 13 may be hinged to the housing 11, the catch being provided on the other opposite side.

Or in another embodiment, as shown in fig. 4 and 6, the range hood 10 further includes a positioning limiting rod 131, the baffle 13 is hinged to the housing 11, and the positioning limiting rod 131 connects the baffle 13 and the housing 11, and is used for limiting an opening and closing angle of the baffle 13 relative to the housing 11.

When the baffle 13 rotates to an angle shown in fig. 6 relative to the housing 11, the positioning limiting rod 131 moves to a limit position, and the baffle 13 cannot turn outwards relative to the housing 11 under the limiting action of the positioning limiting rod 131.

When the baffle 13 is closed to the soot suction opening 112, the baffle 13 may be fixed to the housing 11 by a snap-fit manner, or when the positioning limiting rod 131 is in the state shown in fig. 4, if no additional force is applied, the positioning limiting rod 131 is kept in this state, so that the baffle 13 is fixed to the housing 11. Specifically, the positioning limiting rod 131 may be disposed in a manner of rotating relative to the housing 11, and two positioning protrusions are further disposed on the housing 11. When the position-limiting rod 131 is rotated relative to the housing 11 until the shutter 13 is opened at an angle as shown in fig. 6, one of the position-limiting protrusions is pressed between the position-limiting rod 131 and the housing 11, so that the current relative position between the position-limiting rod 131 and the housing 11 can be maintained. When the position-restricting lever 131 is rotated relative to the housing 11 until the shutter 13 is closed at an angle as shown in fig. 4, another position-restricting projection is pressed between the position-restricting lever 131 and the housing 11, so that the current relative position between the position-restricting lever 131 and the housing 11 can be maintained.

Further, in one embodiment, as shown in fig. 2, 4 and 6, the surface of the spray arm 12 on which the spray holes are provided faces the soot suction opening 112. At this time, the oil smoke suction opening 112 needs to be shielded by the baffle 13 in the cleaning process, so as to prevent the washing liquid sprayed by the spray arm 12 from directly falling out of the range hood 10 from the oil smoke suction opening 112.

Further, in one embodiment, as shown in fig. 4 and fig. 6, an oil mesh 1121 is disposed at the oil smoke suction opening 112. The oil stain sucked into the smoke collection cavity 111 needs to pass through the oil net 1121, and after long-time use, more oil stain is deposited on the oil net 1121. The oil mesh 1121 shields the oil smoke suction port 112, so that a user cannot directly touch the oil smoke collection cavity 111, meanwhile, the inner side surface of the oil mesh 1121 is difficult to clean, and the arrangement of the spray arm 12 can effectively clean the inner wall of the oil smoke collection cavity 111 and the oil mesh 1121.

Particularly, when the surface of the spray arm 12 having the spray holes faces the soot suction opening 112, the cleaning liquid sprayed by the spray arm 12 can act on the oil mesh 1121 with force, thereby improving the cleaning effect of the oil mesh 1121.

More specifically, in one embodiment, as shown in fig. 1 to 6, the housing 11 includes a back plate 113, a top plate 114, a front plate 115, and two side plates 116, the back plate 113, the top plate 114, and the front plate 115 are enclosed according to a triangular prism shape, and the two side plates 116 respectively enclose the smoke collection chamber 111 by closing two openings of a triangular prism space enclosed by the back plate 113, the top plate 114, and the front plate 115.

Further, the spray arm 12 is disposed on the back plate 113, the soot suction opening 112 is formed on the side plate 116, and the spray arm 12 is disposed opposite to the soot suction opening 112. Generally speaking, the spray holes of the spray arm 12 are located on the surface of the spray arm 12 facing the front plate 115. At this time, the surface of the spray arm 12 on which the spray holes are provided just faces the soot suction opening 112.

Further, as shown in fig. 4, 6 and 7, in an embodiment, the range hood 10 further includes a conveying power member 14, and a water outlet of the conveying power member 14 is communicated with the spray arm 12, and is used for conveying a liquid required for washing to the spray arm 12.

Specifically, the conveying power member 14 may be a heating water pump. The heating water pump can provide heated washing liquid for the spray arm 12, and the cleaning effect is further improved.

Specifically, a water outlet pipe 141 may be further provided, and the water outlet pipe 141 communicates the water outlet of the conveying power member 14 with the spray arm 12.

Further, in one embodiment, as shown in fig. 1 to 6, the smoke collecting cavity 111 has a water storage section 1111 for storing liquid required for washing, and the water inlet of the power transmission member 14 is communicated with the water storage section 1111. When cleaning is needed, the conveying power part 14 sucks the liquid in the water storage region 1111 and conveys the liquid to the spray arm 12.

Further, as shown in fig. 7, the range hood 10 further includes a water inlet pipe 142. As shown in fig. 4, the water inlet pipe 142 communicates the water inlet of the conveying power member 14 with the water storage region 1111.

Specifically, as shown in fig. 1 to 6, the water storage region 1111 may be located at a corner where the back plate 113 is connected with the front plate 115; or a water storage box may be disposed in the smoke collection cavity 111 for specially containing liquid required for washing, and a space enclosed by the water storage box is the water storage region 1111.

And specifically, in one embodiment, as shown in fig. 1 and 6, the range hood further comprises an oil cup 15. An opening is formed in the joint of the back plate 113 and the front plate 115, the oil cup 15 is detachably arranged at the opening, the space in the oil cup 15 is the water storage area 1111, and the water inlet pipe 142 extends into the oil cup 15.

Specifically, as shown in fig. 1 to 6, the length of the opening at the connection between the back plate 113 and the front plate 115 is the same as the length of the front plate 115, and the length of the oil cup 15 is not less than the length of the front plate 115. The sewage in the smoke collecting chamber 111 can flow down into the oil cup 15 along the front plate 115 and the back plate 113 during cleaning.

When the smoke collection chamber 111 needs to be cleaned, the oil cup 15 can be detached from the housing 11, filled with liquid, and then assembled to the housing 11. Further, the conveying power member 14 can suck the liquid in the oil cup 15 at the time of cleaning. After the cleaning is finished, the oil cup 15 can be detached, and the sewage in the oil cup can be poured out.

Alternatively, in another embodiment, as shown in fig. 8 to 13, a water inlet 117 and a water outlet 118 are provided on the housing 11 and respectively communicated with the water storage region 1111. The range hood 10 further comprises a water inlet switch valve 1171 and a water outlet switch valve 1181, wherein the water inlet switch valve 1171 is used for controlling the opening and closing of the water inlet interface 117, and the water outlet switch valve 1181 is used for controlling the opening and closing of the water outlet interface 118.

When the liquid required for washing needs to be filled into the water storage section 1111, the water inlet switch valve 1171 is opened, and the liquid enters the water storage section 1111 from the water inlet port 117. When the level of the injected liquid reaches a certain level, the water inlet opening and closing valve 1171 is closed.

During cleaning, the liquid in the water storage region 1111 is sucked by the conveying power part 14 and then conveyed to the spray arm 12. The washing sewage may be collected to the water storage section 1111, and especially, when the water storage section 1111 is located at a corner where the back plate 113 is connected to the front plate 115, the washing sewage may be collected to the water storage section 1111 along the inner wall of the housing 11. When sewage needs to be discharged, the water outlet switch valve 1181 is opened, the water outlet port 118 is connected, and the sewage in the water storage region 1111 is discharged from the water outlet port 118. In the whole cleaning process, a user only needs to control the water inlet switch valve 1171 and the water outlet switch valve 1181 to be opened and closed, and the operation process is simple and quick.

Specifically, as shown in fig. 8 and 9, in one embodiment, the water inlet switch valve 1171 is disposed at the water inlet interface 117, and the water outlet switch valve 1181 is disposed at the water outlet interface 118.

Further, in one embodiment, as shown in fig. 12 and 13, the range hood 10 further includes a water inlet pipe 1172, the water inlet pipe 1172 communicates the water inlet port 117 with a tap water pipe, and when the water inlet switch valve 1171 is opened, water in the tap water pipe enters the water storage region 1111. The range hood 10 further includes a drain pipe 1182, the drain pipe 1182 is communicated with the water outlet port 118 and the sewer water pipe 20, and when the water outlet switch valve 1181 is opened, the sewage in the water storage area 1111 is discharged into the sewer water pipe 20 through the drain pipe 1182.

In another embodiment, the water inlet switch valve 1171 is disposed on the water inlet pipe 1172, and the water outlet switch valve 1181 is disposed on the water outlet pipe 1182.

Further, in one embodiment, as shown in fig. 12 and 13, the range hood 10 further includes a shielding plate 16, and the shielding plate 16 shields the outside of the water inlet pipe 1172 and the water outlet pipe 1182. When the range hood 10 is installed, the water inlet pipe 1172 and the water outlet pipe 1182 are shielded at one side of the shielding plate 16 facing the cabinet or the wall.

Further, as shown in fig. 10, in one embodiment, the water storage region 1111 is provided with a water level sensor 1112, and the water level sensor 1112 is electrically connected to the water inlet switch valve 1171.

The water inlet switch valve 1171 is opened to inject the liquid into the water storage section 1111. When the water level reaches a target value, the water level sensor 1112 sends a signal to close the water inlet switch valve 1171.

Further, in one embodiment, as shown in fig. 1 to 6, and 8 to 13, the range hood 10 further includes a fan assembly 17 and an air duct 18. The top plate 114 is provided with a smoke collection cavity outlet, the air duct 18 is communicated with the smoke collection cavity outlet, the air duct 18 is provided with a smoke outlet 181, and the fan assembly 17 is located between the smoke collection cavity outlet and the smoke outlet 181. The conveying power part 14 is positioned in the air duct 18, so that the overall appearance of the range hood 10 is simpler. The fan assembly 17 can also work after cleaning the smoke collection chamber 111, and discharges the water vapor in the smoke collection chamber 111 to maintain the dryness in the smoke collection chamber 111, and at this time, the baffle 13 is in an open state.

Further, in an embodiment, as shown in fig. 1 to 6 and fig. 8 to 13, a touch screen 132 is disposed on the baffle 13, and the touch screen 132 is electrically connected to the power transmission member 14.

The power transmission part 14 can be controlled to be started through the keys on the touch screen 132, and meanwhile, the accumulated working time of the range hood 10 can be displayed on the touch screen 132, so that when the accumulated working time reaches a preset value, a user is reminded to clean.

Further, in one embodiment, the touch screen 132 is electrically connected to both the water inlet switch valve 1171 and the water outlet switch valve 1181. When the cleaning mode is activated by the touch screen 132, the water inlet switch valve 1171 is opened to fill the water storage section 1111 with liquid. When the water level sensor 1112 detects that the water level reaches a target value, the water inlet switch valve 1171 is closed. The spray arm 12 sprays washing liquid into the smoke collection cavity 111, and after the washing is completed, the next stage of the washing film type is started, the water outlet switch valve 1181 is opened, and the sewage in the water storage area 1111 is discharged.

Further, in an embodiment, the opening and closing process of the barrier 13 may be controlled by a power member such as a motor, and the touch screen 132 may be further electrically connected to the power member such as the motor. After the cleaning film is started through the touch screen 132, the power parts such as the motor are controlled to start and stop, so that the oil smoke suction port 112 is shielded by the baffle 13 in the cleaning process, and after the cleaning is finished, the baffle 13 can move to open the oil smoke suction port 112. The whole cleaning process is automated, and the cleaning convenience is improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (11)

1. The utility model provides a range hood, its characterized in that, includes casing and baffle, the casing encloses into the collection smoke chamber, be equipped with the spray arm in the collection smoke chamber, the casing is equipped with the oil smoke sunction inlet, the baffle sets up oil smoke sunction inlet department, the baffle for the casing is mobile, so that the oil smoke sunction inlet is opened or is closed.

2. The range hood according to claim 1, wherein the baffle is provided at the fume suction port to be openable and closable.

3. The range hood according to claim 2, wherein the baffle is hinged to the housing and provided with a buckle, and when the baffle moves to shield the oil fume suction inlet, the buckle is buckled with the housing;

or the positioning limiting rod is hinged with the shell and connected with the baffle and the shell for limiting the opening and closing angle of the baffle relative to the shell.

4. The range hood according to claim 1, wherein a surface of the spray arm on which the spray holes are provided faces the oil smoke suction port.

5. A range hood as claimed in any one of claims 1 to 4, wherein the housing includes a back plate, a top plate, a front plate and two side plates, the back plate, the top plate and the front plate are enclosed according to a triangular prism shape, the two side plates respectively enclose two ends of a triangular prism space enclosed by the back plate, the top plate and the front plate to form the smoke collection chamber, the spray arm is disposed on the back plate, the oil smoke suction port is formed on the side plates, and the spray arm is disposed opposite to the oil smoke suction port.

6. The range hood of claim 5, further comprising a delivery power member, wherein a water outlet of the delivery power member is communicated with the spray arm.

7. A range hood as claimed in claim 6, further comprising a water inlet pipe, wherein the smoke collection chamber comprises a water storage area therein for storing liquid required for washing, and the water inlet pipe communicates the water inlet of the power transmission member with the water storage area.

8. The range hood according to claim 7, further comprising an oil cup, wherein an opening is formed in a connection position of the back plate and the front plate, the oil cup is detachably arranged at the opening, a space in the oil cup is the water storage area, and the water inlet pipe extends into the oil cup.

9. The range hood according to claim 6, further comprising a fan assembly and an air duct, wherein the top plate is provided with a smoke collection cavity outlet, the air duct is communicated with the smoke collection cavity outlet, the air duct is provided with a smoke exhaust port, the fan assembly is located between the smoke collection cavity outlet and the smoke exhaust port, and the power transmission member is located in the air duct.

10. The range hood according to claim 6, wherein a touch screen is arranged on the baffle plate, and the touch screen is electrically connected with the power transmission part.

11. A range hood as claimed in any of claims 1 to 4, characterized in that an oil screen is provided at the oil fume suction opening.

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