Range hood device

Abstract

The utility model belongs to the technical field of cooking appliances, and discloses a range hood device which is provided with a range hood main body which is provided with a built-in smoke exhaust channel, a first air outlet facing indoors, a second air outlet and a third air outlet, the second air outlet and the third air outlet both face outdoors, an included angle is formed between the second air outlet and the third air outlet, and a guide assembly is arranged in the smoke exhaust channel. Comprising a wind shielding piece movably connected to the range hood body and a guide plate detachably connected to the range hood body, the guide plate selectively shields the second exhaust outlet or the third exhaust outlet, and the wind shielding piece has a first working state of moving to close the first exhaust outlet and a second working state of moving to close the second exhaust outlet and the third exhaust outlet. In the first working state, the second air outlet communicates with the smoke exhaust channel or the third air outlet communicates with the smoke exhaust channel; and in the second working state, the first exhaust outlet communicates with the smoke exhaust channel. According to the range hood device, different exhaust outlets can be selectively communicated, energy is saved, the structure is simplified, and the reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cooking electric appliances, especially to a smoke machine device. BACKGROUND

[0002] The oil fume machine is a kind of kitchen appliance installed above kitchen stove, which can quickly extract the combustion waste of stove and oil fume generated in the cooking process to condense and collect, and can reduce the pollution in the kitchen. After condensation and filtration, the cleanliness of the remaining gas is greatly improved, and the temperature is still higher than room temperature. If it is directly discharged to the indoor, it is more energy-wasting in cold seasons such as autumn and winter. The existing part of the oil fume machine changes the exhaust mode of gas by adjusting the direction of the air outlet of the fan, so that it can be discharged to the indoor or outdoor. The structure of such fan is relatively complex, and a rotatable air deflector needs to be arranged on the volute, which affects the normal air outlet of the volute, reduces the air outlet efficiency, and the reliability of the fan is poor. In addition, due to the influence of kitchen decoration, the outdoor exhaust inlet of the exhaust duct is placed on the ceiling in some kitchens, and the outdoor exhaust inlet is arranged on the side wall in some kitchens, and it is difficult to consider the outdoor exhaust inlet of different positions only by adjusting the air outlet of the fan. SUMMARY

[0003] The utility model aims at providing a smoke machine device, which can solve the problems of complex fan structure, low air outlet efficiency and difficulty in considering the outdoor exhaust inlet of different positions when the existing oil fume machine selects indoor or outdoor discharge mode.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] A smoke machine device is provided, which includes a fan for sucking oil fume, the smoke machine device further includes a smoke machine body and a guide assembly, the smoke machine body has a built-in smoke exhaust channel, the smoke machine body is provided with a first air outlet, a second air outlet and a third air outlet, the first air outlet faces the indoor, the second air outlet and the third air outlet both face the outdoor, and the second air outlet and the third air outlet are arranged at an angle, the guide assembly is arranged in the smoke exhaust channel, the guide assembly includes a wind-blocking piece movably connected to the smoke machine body and a guide plate detachably connected to the smoke machine body, the guide plate is arranged to selectively shield the second air outlet or the third air outlet, the wind-blocking piece has a first working state of moving to close the first air outlet and a second working state of moving to close the second air outlet and the third air outlet, in the first working state, the second air outlet is communicated with the smoke exhaust channel or the third air outlet is communicated with the smoke exhaust channel; in the second working state, the first air outlet is communicated with the smoke exhaust channel.

[0006] In one of the embodiments, the wind blocking member is rotatably connected to the smoke machine body, and the rotation axis of the wind blocking member extends along the width direction of the smoke machine body.

[0007] In one of the embodiments, the rotation axis is arranged at the top of the smoke machine body, and the first air outlet is arranged at the front end of the smoke machine body. In the first working state, the wind blocking member is arranged vertically to close the first air outlet.

[0008] In one of the embodiments, the second air outlet is arranged at the top of the smoke machine body, and the third air outlet is arranged at the rear end of the smoke machine body. In the second working state, the wind blocking member is arranged obliquely, and one end of the wind blocking member away from the rotation axis abuts against the inner cavity wall of the smoke machine body to simultaneously block the second air outlet and the third air outlet.

[0009] In one of the embodiments, the smoke machine body comprises a blocking step arranged in the smoke exhaust channel. The blocking step has a step surface arranged vertically. In the first working state, the wind blocking member is attached to the step surface; and / or,

[0010] The guide assembly comprises a support frame arranged in the smoke exhaust channel. The support frame has a support surface arranged obliquely. The support frame is arranged to support the wind blocking member. In the second working state, the wind blocking member is attached to the support surface.

[0011] In one of the embodiments, the guide assembly further comprises a driving member connected to the smoke machine body and arranged in the smoke exhaust channel. The output end of the driving member is connected to the wind blocking member. The driving member is arranged to drive the wind blocking member to rotate around the rotation axis; and / or,

[0012] The guide assembly further comprises a rotation shaft fixedly connected to the wind blocking member. The rotation shaft is rotatably connected to the smoke machine body, and at least one end of the rotation shaft extends out of the smoke exhaust channel. The rotation shaft is arranged to drive the wind blocking member to rotate around the rotation axis.

[0013] In one of the embodiments, the guide plate comprises a blocking part and a through part connected to each other. The through part is provided with a through hole. The guide plate has a first through state and a second through state. In the first through state, the blocking part blocks the second air outlet, and the through hole communicates with the third air outlet. In the second through state, the blocking part blocks the third air outlet, and the through hole communicates with the second air outlet.

[0014] In one of the embodiments, the edge of the guide plate has a mounting portion, the range hood body includes a mating mounting portion, the mounting portion is provided with a first mounting hole, the mating mounting portion is provided with a second mounting hole, the first mounting hole and the second mounting hole are correspondingly communicated, and a fastener is connected in the first mounting hole and the second mounting hole to connect the range hood body and the guide plate.

[0015] In one of the embodiments, the range hood body is further provided with an extended smoke discharging channel, an inlet of the extended smoke discharging channel is communicated with the smoke discharging channel, and an outlet of the extended smoke discharging channel forms the first air outlet.

[0016] In one of the embodiments, the range hood body includes a main shell and an extended shell, the extended shell is arranged above the main shell, the smoke discharging channel is arranged in the main shell, and the second air outlet and the third air outlet are arranged on the main shell; the extended smoke discharging channel is arranged in the extended shell, and the first air outlet is arranged in the extended shell; and / or,

[0017] The guide assembly further includes a guide vane connected to the range hood body and arranged in the extended smoke discharging channel, the guide vane has a guide surface facing the extended smoke discharging channel, and the guide surface extends along the length direction of the extended smoke discharging channel; and / or,

[0018] The extended smoke discharging channel is provided with a filter screen arranged to filter the gas flowing through the extended smoke discharging channel.

[0019] The beneficial effects of the present application are as follows:

[0020] The smoke machine device provided by the utility model, the smoke machine main body is provided with a first air outlet, a second air outlet and a third air outlet, the first air outlet faces indoors, the second air outlet and the third air outlet both face outdoors, and the second air outlet and the third air outlet are arranged at an angle. The guide assembly is arranged in the smoke exhaust channel, and the guide assembly comprises a wind shielding piece movably connected to the smoke machine main body and a guide plate detachably connected to the smoke machine main body, and the guide plate is arranged to selectively shield the second air outlet or the third air outlet. The wind shielding piece has a first working state of moving to close the first air outlet and a second working state of moving to close the second air outlet and the third air outlet; wherein in the first working state, the second air outlet is communicated with the smoke exhaust channel or the third air outlet is communicated with the smoke exhaust channel, and the gas is directly exhausted outdoors; in the second working state, the first air outlet is communicated with the smoke exhaust channel, and the gas is exhausted indoors. In the cold autumn and winter season, the wind shielding piece can be selected to be in the second working state, the condensed and purified gas is exhausted indoors, a certain heat preservation effect is achieved, the indoor temperature is improved, and energy is saved. In the high-temperature weather of spring and summer, the wind shielding piece can be selected to be in the first working state, and the condensed and purified gas is exhausted outdoors. Moreover, by selecting the shielding position of the guide plate, the smoke exhaust channel can be communicated with the second air outlet or the third air outlet at different positions, and the second air outlet and the third air outlet are arranged at an angle to adapt to the different requirements of the position of the outdoor air inlet. The above-mentioned change of the gas exhaust mode and the structure of the exhaust outlet are relatively simple, do not affect the fan structure and the air outlet efficiency, and ensure the oil fume purification efficiency of the smoke machine device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structure schematic view of the smoke machine device provided by the utility model embodiment one when the guide plate is in the second conduction state;

[0022] Figure 2 is a structure schematic view of the smoke machine device provided by the utility model embodiment one when the guide plate is in the first conduction state;

[0023] Figure 3 is a structure disassembly schematic view of the smoke machine device provided by the utility model embodiment one;

[0024] Figure 4 is a structure sectional view of the smoke machine device provided by the utility model embodiment one when the wind shielding piece is in the first working state;

[0025] Figure 5 is a structure sectional view of the smoke machine device provided by the utility model embodiment one when the wind shielding piece is in the second working state;

[0026] Figure 6 is a structure schematic view of the smoke machine device provided by the utility model embodiment three;

[0027] Figure 7It is the structural disassembly schematic view of the smoke machine device provided in embodiment three of the utility model.

[0028] In the figure,

[0029] 1, smoke machine main body;11, smoke exhaust passage;12, first air outlet;13, second air outlet;14, third air outlet;15, shielding step;16, fit installation part;17, extension smoke exhaust passage;181, main casing;182, extension casing;2, guide assembly;21, wind blocking piece;22, guide plate;221, shielding part;222, lead-through part;2221, lead-through hole;223, installation part;23, support frame;24, air deflector;241, air deflector face;3, cover assembly;31, display screen;32, top plate;321, first discharge port;322, second discharge port;33, bottom plate;34, two side plates;35, back plate;351, third discharge port. DETAILED DESCRIPTION

[0030] The technical scheme of the utility model will be described below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and moreover, the first feature is "above", "above" and "above" of the second feature, which includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "below", "below" and "below" of the second feature, which includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0032] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0033] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout the drawings.The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0034] Embodiment one

[0035] As Figures 1 to 4 Indicated, the utility model provides a kind of range hood device first, range hood device includes fan (not shown in drawing) for sucking oil fume.Range hood device also includes range hood main body 1 and guide assembly 2, range hood main body 1 has built-in smoke exhaust passage 11, combustion exhaust of cooking range and oil fume in cooking process enter smoke exhaust passage 11 under the action of fan, after filtering, condensation by filter screen (not shown in drawing), and form relatively clean gas in smoke exhaust passage 11.

[0036] The smoke machine main body 1 is provided with a first exhaust port 12, a second exhaust port 13 and a third exhaust port 14, the first exhaust port 12 faces indoors, the second exhaust port 13 and the third exhaust port 14 both face outdoors, and the second exhaust port 13 and the third exhaust port 14 are arranged at an angle. The guide assembly 2 is arranged in the smoke exhaust channel 11, the guide assembly 2 comprises a wind blocking piece 21 movably connected to the smoke machine main body 1 and a guide plate 22 detachably connected to the smoke machine main body 1, and the guide plate 22 is arranged to selectively shield the second exhaust port 13 or the third exhaust port 14. The wind blocking piece 21 has a first working state of moving to close the first exhaust port 12 and a second working state of moving to close the second exhaust port 13 and the third exhaust port 14; wherein in the first working state, the second exhaust port 13 is communicated with the smoke exhaust channel 11 or the third exhaust port 14 is communicated with the smoke exhaust channel 11, and the gas is directly discharged to the outdoors; in the second working state, the first exhaust port 12 is communicated with the smoke exhaust channel 11, and the gas is discharged to the indoors. In the cold autumn and winter season, the wind blocking piece 21 can be selected to be in the second working state, and the condensed and purified gas is discharged to the indoors, so as to achieve a certain heat preservation effect, improve the indoor temperature, and save energy. In the hot spring and summer weather, the wind blocking piece 21 can be selected to be in the first working state, and the condensed and purified gas is discharged to the outdoors. Moreover, by selecting the shielding position of the guide plate 22, the smoke exhaust channel 11 can be communicated with the second exhaust port 13 or the third exhaust port 14 at different positions, and the second exhaust port 13 and the third exhaust port 14 are arranged at an angle to adapt to the different requirements of the position of the outdoor exhaust inlet. The above-mentioned structure of changing the gas discharge mode and the discharge outlet is simple, and does not affect the fan structure and the air outlet efficiency, so as to ensure the oil fume purification efficiency of the smoke machine device.

[0037] The wind blocking piece 21 is rotatably connected to the smoke machine main body 1, and the rotation axis of the wind blocking piece 21 extends along the width direction of the smoke machine main body 1. The working state conversion is realized by the rotation of the wind blocking piece 21, and the selection of different exhaust ports is relatively simple and easy to implement.

[0038] The rotation axis is arranged at the top of the smoke machine main body 1, and the first exhaust port 12 is arranged at the front end of the smoke machine main body 1. In the first working state, as shown in Figure 4 , the wind blocking piece 21 is vertically arranged to close the first exhaust port 12, and the stability of the wind blocking piece 21 in the first working state can be better maintained by using the self-weight of the wind blocking piece 21.

[0039] In order to further increase the stability of the wind blocking piece 21 in the first working state, the smoke machine main body 1 comprises a shielding step 15 arranged in the smoke exhaust channel 11, and the shielding step 15 has a vertically arranged step surface. In the first working state, the wind blocking piece 21 is attached to the step surface, so as to achieve good sealing performance and avoid leakage from the first exhaust port 12.

[0040] The second air outlet 13 is arranged at the top of the smoke machine body 1, and the third air outlet 14 is arranged at the rear end of the smoke machine body 1. The second air outlet 13 can meet the requirement that the outdoor air inlet is above the smoke machine device, and the third air outlet 14 can meet the requirement that the outdoor air inlet is at the rear side of the smoke machine device.

[0041] In the second working state, as shown in FIG. 2, the wind-blocking piece 21 is rotated to be arranged obliquely, and one end of the wind-blocking piece 21 away from the rotation axis abuts against the inner cavity wall of the smoke machine body 1 to simultaneously block the second air outlet 13 and the third air outlet 14. Figure 5

[0042] In order to increase the stability of the wind-blocking piece 21 in the second working state, the guide assembly 2 comprises a support frame 23 arranged in the smoke exhaust channel 11. The support frame 23 has an obliquely arranged support surface, and is arranged to support the wind-blocking piece 21. In the second working state, the wind-blocking piece 21 is attached to the support surface to avoid leakage from the second air outlet 13 and the third air outlet 14. In order to avoid the support frame 23 hindering the rotation of the wind-blocking piece 21, the support frame 23 is connected to the smoke machine body 1 in a lifting manner. During the rotation of the wind-blocking piece 21, the support frame 23 is lowered, and after the rotation of the wind-blocking piece 21 is completed, the support frame 23 is raised to the position of supporting the wind-blocking piece 21.

[0043] The guide assembly 2 further comprises a driving piece connected to the smoke machine body 1 and arranged in the smoke exhaust channel 11. The output end of the driving piece is connected to the wind-blocking piece 21, and the driving piece is arranged to drive the wind-blocking piece 21 to rotate around the rotation axis. The driving piece can adopt a push rod motor to drive the wind-blocking piece 21 to rotate around the rotation axis through the linear motion of the output end.

[0044] In order to adapt to the included angle arrangement of the second air outlet 13 and the third air outlet 14, the guide plate 22 comprises a shielding part 221 and a through part 222 connected to each other. The through part 222 is provided with a through hole 2221. The guide plate 22 has a first through state and a second through state. In the first through state, as shown in FIG. 3, the shielding part 221 shields the second air outlet 13, and the through hole 2221 communicates the third air outlet 14. In the second through state, as shown in FIG. 4, the shielding part 221 shields the third air outlet 14, and the through hole 2221 communicates the second air outlet 13. Figure 2 Figure 1

[0045] ​​​The edge of the guide plate 22 has a mounting portion 223, and the smoke machine body 1 comprises a matching mounting portion 16, the mounting portion 223 is provided with a first mounting hole, the matching mounting portion 16 is provided with a second mounting hole, the first mounting hole and the second mounting hole are correspondingly communicated, and a fastener is connected in the first mounting hole and the second mounting hole to connect the smoke machine body 1 and the guide plate 22. When the smoke machine device is installed, the installation position of the guide plate 22 is adjusted according to the position of the indoor exhaust inlet of the kitchen, and the first communication state or the second communication state is selected.

[0046] Since the cleanliness of the gas discharged to the indoor is required to be high, the smoke machine body 1 is further provided with an extended smoke exhaust channel 17, the inlet of the extended smoke exhaust channel 17 is communicated with the smoke exhaust channel 11, and the outlet of the extended smoke exhaust channel 17 forms the first exhaust port 12. The gas is condensed and purified again in the extended smoke exhaust channel 17, and the air baffle 21 blocks the first exhaust port 12 by closing the inlet of the extended smoke exhaust channel 17.

[0047] Specifically, the smoke machine body 1 comprises a main shell 181 and an extended shell 182, the extended shell 182 is arranged above the main shell 181, the smoke exhaust channel 11 is arranged in the main shell 181, and the second exhaust port 13 and the third exhaust port 14 are arranged on the main shell 181. The extended smoke exhaust channel 17 is arranged in the extended shell 182, and the first exhaust port 12 is arranged in the extended shell 182.

[0048] In order to accelerate the discharge speed, the guide assembly 2 further comprises an air deflector 24, the air deflector 24 is connected to the smoke machine body 1 and arranged in the extended smoke exhaust channel 17, the air deflector 24 has an air deflector surface 241 facing the extended smoke exhaust channel 17, and the air deflector surface 241 extends along the length direction of the extended smoke exhaust channel 17. The air deflector surface 241 can be arranged as at least partially arc-shaped, so as to reduce the discharge resistance of the gas.

[0049] In order to further improve the cleanliness of the gas discharged to the indoor, a filter screen is arranged in the extended smoke exhaust channel 17, and the filter screen can filter the gas flowing through the extended smoke exhaust channel 17.

[0050] Embodiment two

[0051] The embodiment two of the utility model provides a kind of smoke machine device, and the smoke machine device has and the same smoke machine body 1 and guide assembly 2 in embodiment one.The same structure in embodiment one is not described in this embodiment.

[0052] In the embodiment, the guide assembly 2 further comprises a rotating shaft fixedly connected to the wind shielding piece 21, the rotating shaft is rotatably connected to the range hood main body 1, and at least one end of the rotating shaft extends to outside of the smoke discharging channel 11, and the rotating shaft is arranged to drive the wind shielding piece 21 to rotate around the rotating shaft line. The range hood main body 1 is provided with an adjusting hole, and the rotating shaft is rotatably arranged in the adjusting hole and partially extends to outside of the range hood main body 1. The rotating shaft is rotated outside of the range hood main body 1, so that the rotating adjustment of the wind shielding piece 21 is achieved, and the step 15 and the supporting frame 23 can limit the wind shielding piece 21, so as to ensure the position stability of the wind shielding piece 21 in the first working state and the second working state. The user can adjust the wind shielding piece 21 at any time according to the indoor temperature change, and the use is more convenient.

[0053] Embodiment three

[0054] The range hood device provided in the embodiment three of the utility model comprises the range hood main body 1 and the guide assembly 2 in the above-mentioned embodiment one or embodiment two. The same structure in the embodiment one and the embodiment two is not described in the embodiment.

[0055] As shown in Figure 6 and Figure 7 In the embodiment, the range hood device further comprises a cover assembly 3, the cover assembly 3 comprises a display screen 31 and a top plate 32, a bottom plate 33, two side plates 34 and a back plate 35 surrounding the display screen 31, and the display screen 31, the top plate 32, the bottom plate 33, the two side plates 34 and the back plate 35 are connected to each other to form a stable frame structure. The top plate 32 is provided with a first discharge port 321 and a second discharge port 322, and the back plate 35 is provided with a third discharge port 351; the first discharge port 321 faces the indoor, and the second discharge port 322 and the third discharge port 351 are connected to the external flue. The cover assembly 3 has a containing cavity, the range hood main body 1 and the guide assembly 2 are arranged in the containing cavity, and the range hood main body 1 and the guide assembly 2 are detachably connected to the cover assembly 3. The first air outlet 12 of the range hood main body 1 faces the first discharge port 321, the second air outlet 13 faces the second discharge port 322, and the third air outlet 14 faces the third discharge port 351. When the range hood device selects to use the first air outlet 12, the smoke discharging channel 11 is connected to the first discharge port 321 through the first air outlet 12; when the range hood device selects to use the second air outlet 13 for discharging, the second air outlet 13 is connected to the corresponding second discharge port 322; and when the range hood device selects to use the third air outlet 14 for discharging, the third air outlet 14 is connected to the corresponding third discharge port 351.

[0056] The cover assembly 3 is further provided with a mounting opening, and the smoke exhaust channel 11 is communicated with the upper portion of the cooking appliance through the mounting opening, and the oil fume generated during cooking enters the smoke exhaust channel 11 through the mounting opening. The accommodation cavity can further accommodate other components of the range hood device, and the cover assembly 3 can provide better protection while increasing the aesthetics and consistency of the whole machine.

[0057] The display screen 31 has an interactive function and can provide operation buttons for a user to set the working parameters of the range hood device, including the fan speed, working time length, light switch and the like. In addition, the display screen 31 can also play videos to provide an entertainment function for the user. The structure and working principle of the display screen 31 can refer to the prior art, and will not be described here.

[0058] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, it is unnecessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A hood device comprising a fan for sucking up oil fumes, characterized in that, The smoke machine device further comprises a smoke machine body (1) and a guide assembly (2), the smoke machine body (1) has a built-in smoke exhaust channel (11), the smoke machine body (1) is provided with a first air outlet (12), a second air outlet (13) and a third air outlet (14), the first air outlet (12) faces indoors, the second air outlet (13) and the third air outlet (14) both face outdoors, and the second air outlet (13) and the third air outlet (14) are arranged at an angle, the guide assembly (2) is arranged in the smoke exhaust channel (11), the guide assembly (2) comprises a wind-blocking piece (21) movably connected to the smoke machine body (1) and a guide plate (22) detachably connected to the smoke machine body (1), the guide plate (22) is arranged to selectively shield the second air outlet (13) or the third air outlet (14), the wind-blocking piece (21) has a first working state of moving to close the first air outlet (12) and a second working state of moving to close the second air outlet (13) and the third air outlet (14), in the first working state, the second air outlet (13) is communicated with the smoke exhaust channel (11) or the third air outlet (14) is communicated with the smoke exhaust channel (11); in the second working state, the first air outlet (12) is communicated with the smoke exhaust channel (11).

2. The range hood device according to claim 1, characterized in that, The wind-blocking piece (21) is rotatably connected to the smoke machine body (1), and the rotation axis of the wind-blocking piece (21) extends along the width direction of the smoke machine body (1).

3. The range hood device of claim 2, wherein, The rotation axis is arranged at the top of the smoke machine body (1), and the first air outlet (12) is arranged at the front end of the smoke machine body (1), in the first working state, the wind-blocking piece (21) is vertically arranged to close the first air outlet (12).

4. The range hood device according to claim 3, wherein The second air outlet (13) is arranged at the top of the smoke machine body (1), and the third air outlet (14) is arranged at the rear end of the smoke machine body (1), in the second working state, the wind-blocking piece (21) is arranged obliquely, and one end of the wind-blocking piece (21) away from the rotation axis abuts against the inner cavity wall of the smoke machine body (1) to simultaneously shield the second air outlet (13) and the third air outlet (14).

5. The range hood device according to claim 4, wherein The smoke machine body (1) comprises a shielding step (15) arranged in the smoke exhaust channel (11), the shielding step (15) has a vertically arranged step surface, in the first working state, the wind-blocking piece (21) abuts against the step surface; and / or, The guide assembly (2) comprises a support frame (23) arranged in the smoke exhaust channel (11), the support frame (23) has an obliquely arranged support surface, and the support frame (23) is arranged to support the wind-blocking piece (21), in the second working state, the wind-blocking piece (21) abuts against the support surface.

6. The range hood device of claim 2, wherein, The guiding assembly (2) further comprises a driving member connected to the smoke machine body (1) and arranged in the smoke discharging passage (11), an output end of the driving member being connected to the wind blocking member (21), the driving member being arranged to drive the wind blocking member (21) to rotate around the rotation axis; and / or, The guiding assembly (2) further comprises a rotation shaft fixedly connected to the wind blocking member (21), the rotation shaft being rotatably connected to the smoke machine body (1) and at least one end of the rotation shaft extending out of the smoke machine body (1) to the outside of the smoke discharging passage (11), the rotation shaft being arranged to drive the wind blocking member (21) to rotate around the rotation axis.

7. The range hood device of claim 1, wherein The guiding plate (22) comprises a shielding part (221) and a guiding part (222) connected to each other, the guiding part (222) being provided with a guiding hole (2221), the guiding plate (22) having a first guiding state and a second guiding state, in the first guiding state, the shielding part (221) shields the second air outlet (13) and the guiding hole (2221) connects the third air outlet (14), in the second guiding state, the shielding part (221) shields the third air outlet (14) and the guiding hole (2221) connects the second air outlet (13).

8. The range hood device of claim 7, wherein, An edge of the guiding plate (22) is provided with a mounting part (223), the smoke machine body (1) comprises a matching mounting part (16), the mounting part (223) is provided with a first mounting hole, the matching mounting part (16) is provided with a second mounting hole, the first mounting hole and the second mounting hole are correspondingly connected, and a fastener is connected in the first mounting hole and the second mounting hole to connect the smoke machine body (1) and the guiding plate (22).

9. The range hood device of claim 1, wherein, The smoke machine body (1) is further provided with an extended smoke discharging passage (17), an inlet of the extended smoke discharging passage (17) being connected to the smoke discharging passage (11), and an outlet of the extended smoke discharging passage (17) forming the first air outlet (12).

10. The range hood device of claim 9, wherein, The smoke machine body (1) comprises a main shell (181) and an extended shell (182), the extended shell (182) being arranged above the main shell (181), the smoke discharging passage (11) being arranged in the main shell (181), and the second air outlet (13) and the third air outlet (14) being arranged on the main shell (181); the extended smoke discharging passage (17) being arranged in the extended shell (182), and the first air outlet (12) being arranged in the extended shell (182); and / or, The guiding assembly (2) further comprises a wind guiding plate (24) connected to the smoke machine body (1) and arranged in the extended smoke discharging passage (17), the wind guiding plate (24) having a wind guiding surface (241) facing the extended smoke discharging passage (17), the wind guiding surface (241) extending along the length direction of the extended smoke discharging passage (17); and / or, A filter screen is arranged in the extended smoke exhaust channel (17) and is arranged to filter the gas flowing through the extended smoke exhaust channel (17).

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