Air inlet structure and range hood

Abstract

The application relates to an air inlet structure and a range hood. The air inlet structure comprises: an air inlet body having an air inlet channel and an air inlet opening in communication with the air inlet channel; a baffle located in the air inlet channel, the baffle being provided with a second edge at one end in a first direction and extending towards a first edge and a second baffle wall at the other end, and a first gap being formed between the end of the baffle away from the second edge and the second baffle wall; an oil cup provided on the air inlet body along the second edge, the oil cup having an oil receiving groove, and an opening of the oil receiving groove facing the first gap; and an oil guide member, an oil outlet of the oil guide member being in communication with the oil receiving groove. This is conducive to reducing peculiar smell of the range hood and improving user experience. In addition, when the range hood is used, all grease marks are located inside the air inlet structure, so that the user cannot see or can only see a small amount of grease marks, which is conducive to improving the user's visual perception and further improving the user's experience.

Description

Technical Field

[0001] This application relates to the field of range hood technology, and in particular to an air intake structure and a range hood. Background Technology

[0002] In current top-side dual-suction range hoods, the main smoke inlet is located at the bottom of the hood and is in an open state. The grease inside the hood flows through the panel at the main smoke inlet and into the grease cup. Although the grease can be collected through the grease cup, grease residue is left on the surface of the panel as it flows through. The exposed grease may volatilize carcinogenic substances such as tar, and the odor produced by the volatilization of grease can also irritate users and affect the user experience. Utility Model Content

[0003] Therefore, it is necessary to provide an air intake structure and range hood to address the issue that exposed oil residue can affect user experience.

[0004] An air intake structure, comprising:

[0005] An air inlet body has an air inlet channel and an air inlet connected to the air inlet channel. The air inlet channel has a first air guide wall and a second air guide wall spaced apart along the first direction. The air inlet has a first edge and a second edge spaced apart along a second direction intersecting the first direction.

[0006] An air guide plate is located inside the air inlet channel. One end of the air guide plate is disposed along the second edge in a first direction, and the other end extends toward the first edge and the second air guide wall. A first gap is formed between the end of the air guide plate away from the second edge and the second air guide wall.

[0007] An oil cup is disposed on the air inlet body along the second edge. The oil cup has a third longitudinally elongated oil receiving groove that intersects both the first and second directions. The opening of the oil receiving groove faces the first gap.

[0008] An oil guide is disposed on the first air guide wall along the first edge. The oil guide has an oil guide groove, the opening of which is located on the side of the oil guide away from the air inlet. At least one end of the oil guide in the third direction is provided with an oil guide outlet that communicates with the oil guide groove. The oil guide outlet is connected to the oil receiving groove.

[0009] In one embodiment, the air inlet body further comprises two main body components spaced apart along the third direction. The first air guide wall, the second air guide wall, and the two main body components enclose an air inlet channel and an air inlet. At least one of the main body components has a side cavity formed inside. The oil outlet is connected to the side cavity. The main body component also includes an oil outlet hole, which connects the side cavity and the oil receiving groove.

[0010] In one embodiment, at least one of the main body components has an oil guide hole on one side surface facing the air inlet channel, the oil guide hole is connected to the side cavity, and the oil outlet is connected to the oil guide hole.

[0011] In one embodiment, the oil guide includes a first oil guide portion and a second oil guide portion that are both longitudinally elongated along the third direction, and the surfaces of the first oil guide portion and the second oil guide portion are set at an angle.

[0012] In one embodiment, the air intake structure further includes two protruding brackets, which are spaced apart on the air intake body along the third direction. Each protruding bracket includes two support portions arranged at an angle. The protruding bracket is disposed on the two protruding brackets and located between the two support portions.

[0013] In one embodiment, the air guide plate is made of an opaque material.

[0014] In one embodiment, the air inlet structure further includes a support member that connects the air guide plate and the air inlet body, and the support member is located on the side of the air guide plate away from the air inlet.

[0015] In one embodiment, the air inlet body further includes a base plate, which is disposed along the second edge. The oil cup is located on the side of the base plate away from the air inlet, and the base plate has an oil leakage hole extending through the second direction.

[0016] In one embodiment, the oil leakage holes include a plurality of holes, all of which are spaced apart along the third direction.

[0017] A range hood includes an air intake structure as described in any of the preceding claims.

[0018] The aforementioned air intake structure, by tilting the air guide plate within the air intake channel, not only allows airflow to be smoothly guided into the channel, but also provides some shielding for the second air guide wall, preventing grease residue from falling onto it. Furthermore, since grease on the first air guide plate passes through the oil guide and falls into the oil collection groove from both sides of the air intake structure, grease from the first air guide wall is prevented from falling onto the air guide plate.

[0019] In this way, grease residue on the first and second air guide walls will not be exposed to the external environment, or only a small portion will be exposed, thus reducing the amount of grease evaporating into the range hood and consequently reducing odors, improving the user experience. Furthermore, since the grease residue is located inside the air intake structure, users will not see it or will only see a small amount, improving the visual appeal and further enhancing the user experience. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the range hood in some embodiments of this application.

[0021] Figure 2 for Figure 1 A cross-sectional view of the range hood in the embodiment.

[0022] Figure 3 for Figure 1 A schematic diagram of the internal structure of the range hood in the embodiment.

[0023] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0024] Figure 5 for Figure 3 A schematic diagram of the structure of the central oil guide hole and the protruding bracket.

[0025] Figure 6 for Figure 3 A schematic diagram of the range hood in the embodiment from another perspective.

[0026] Figure 7 for Figure 1 A schematic diagram of the hidden oil cup in the embodiment.

[0027] Explanation of reference numerals in the attached figures:

[0028] Air inlet body 10; first baffle 11; second baffle 12; air inlet channel 13; air inlet 14; first air guide wall 15; second air guide wall 16; first edge 17; second edge 18;

[0029] Main body component 20; side cavity 21; oil outlet 22; oil guide hole 23; bottom plate component 24; oil leakage hole 25;

[0030] Air guide plate 30; support component 31; first gap 32;

[0031] Oil cup 40; oil receiving tray 41;

[0032] Oil guide component 50; oil guide groove 51; oil guide outlet 52; first oil guide part 53; second oil guide part 54; protruding bracket 55; support part 56;

[0033] First direction X; second direction Y; third direction Z. Detailed Implementation

[0034] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0035] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0036] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0037] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0038] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0039] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0040] See Figure 1 and Figure 2 An embodiment of this application provides a range hood that includes an air inlet structure and a fan impeller located at the top of the air inlet structure. When the fan impeller rotates, it draws in cooking fumes through the air inlet structure and discharges them from the exhaust port at the top of the range hood.

[0041] The air intake structure includes an air intake body 10, an air guide plate 30, an oil cup 40, and an oil guide component 50. The air intake structure includes a first baffle 11 and a second baffle 12, which are spaced apart along a first direction X to form an air intake channel 13. Furthermore, in a second direction Y intersecting the first direction X, the bottom of the first baffle 11 is higher than the bottom of the second baffle 12, allowing the bottom of the first baffle 11 to form an air inlet 14 communicating with the air intake channel 13. The air intake channel 13 has a first air guide wall 15 and a second air guide wall 16 spaced apart along the first direction X. The first air guide wall 15 is the surface of the first baffle 11 facing the second baffle 12, and the second air guide wall 16 is the surface of the second baffle 12 facing the first baffle 11.

[0042] The air inlet 14 is located below the first air guide wall 15, and the air inlet 14 has a first edge 17 and a second edge 18 spaced apart along a second direction Y intersecting the first direction X. In actual use, one end of the air intake channel 13 is connected to the air inlet 14, and the other end is connected to the fan impeller. The fan impeller draws in the fumes through the air inlet 14, and the fumes are discharged from the range hood after passing through the air intake channel 13 and the fan impeller.

[0043] When the fumes pass through the fan impeller, the liquid and gas in the fumes are separated due to the centrifugal force of the fan impeller. The liquid in the fumes is mainly grease. After the grease is separated from the fumes, it continues to be thrown onto the first guide wall 15 and the second guide wall 16 under the centrifugal force of the fan impeller. Under the action of gravity, the grease will flow along the first guide wall 15 and the second guide wall 16.

[0044] To reduce the amount of grease exposed on the surfaces of the first air guide wall 15 and the second air guide wall 16, the air inlet 14 has a first edge 17 and a second edge 18 spaced apart along the second direction Y. An air guide plate 30 is located within the air inlet channel 13. One end of the air guide plate 30 is positioned along the second edge 18 in the first direction X, and the other end extends toward the first edge 17 and the second air guide wall 16. A first gap 32 is formed between the end of the air guide plate 30 away from the second edge 18 and the second air guide wall 16. An oil cup 40 is disposed on the air inlet body 10 along the second edge 18. The oil cup 40 has an oil receiving groove 41 extending longitudinally in the third direction Z, intersecting both the first direction X and the second direction Y. The opening of the oil receiving groove 41 faces the first gap 32.

[0045] In actual use, the first direction X is horizontal, the second direction Y is vertical, and the oil cup 40 is located at the bottom of the air inlet body 10, so that the grease on the first air guide wall 15 and the second air guide wall 16 flows along the surfaces of the first air guide wall 15 and the second air guide wall 16 under the action of gravity. Among them, the grease flowing on the second air guide wall 16 will flow into the oil receiving groove 41 through the first gap 32, thereby collecting the grease on the surface of the second air guide wall 16.

[0046] To collect the grease on the first air guide wall 15, see [reference needed]. Figure 3 and Figure 4 An oil guide 50 is disposed on the first air guide wall 15 along the first edge 17. The oil guide 50 has an oil guide groove 51. The opening of the oil guide groove 51 is located on the side of the oil guide 50 away from the air inlet 14. At least one end of the oil guide 50 in the third direction Z is provided with an oil guide outlet 52 that communicates with the oil guide groove 51. The oil guide outlet 52 is connected to the oil receiving groove 41 so that the grease in the oil guide groove 51 can fall into the oil cup 40 through the oil guide outlet 52.

[0047] In actual use, the oil guide 50 is located above the air inlet 14, and the oil outlet 52 is located above the oil receiving groove 41. Grease on the first air guide wall 15 flows downward along the surface of the first air guide wall 15, and finally flows into the oil guide groove 51 of the oil guide 50. As the amount of grease in the oil guide groove 51 increases, the grease flows along the surface of the oil guide groove 51, and finally flows out from the oil outlets 52 at both ends of the oil guide groove 51, and finally flows into the oil receiving groove 41, so that the grease on the first air guide wall 15 can be collected by the oil cup 40.

[0048] It should be noted that the connection between the oil outlet 52 and the oil receiving tank 41 means that the grease in the oil outlet 52 can fall into the oil receiving tank 41. The way the grease falls into the oil receiving tank 41 includes, but is not limited to, dripping directly from the oil outlet 52 into the oil receiving tank 41 by gravity, or flowing into the oil receiving tank 41 by passing through the main body 20 described below. Therefore, the connection method between the oil outlet 52 and the oil receiving tank 41 is not limited here. It is only necessary that the grease in the oil outlet 52 can fall into the oil receiving tank 41.

[0049] By tilting the air guide plate 30 within the air inlet channel 13, not only can the airflow flow more smoothly into the air inlet channel 13 under the action of the air guide plate 30, but the air guide plate 30 can also provide some shielding for the second air guide wall 16, thus blocking grease marks on the second air guide plate 30. Furthermore, since the grease on the first air guide plate 30 passes through the oil guide component 50 and falls into the oil receiving groove 41 from both sides of the air inlet structure, it can prevent grease on the first air guide wall 15 from falling onto the air guide plate 30.

[0050] In this way, grease residue on the first and second air guide walls 15 will not be exposed to the external environment, or only a small portion will be exposed, thus reducing the amount of grease evaporating into the range hood and consequently reducing odors, improving the user experience. Furthermore, since the grease residue is located inside the air intake structure, users cannot see it or can only see a small amount, improving the visual appeal and further enhancing the user experience.

[0051] In some embodiments of this application, see [reference] Figure 3 The air intake body 10 also has two main components 20 spaced apart along a third direction Z. The first air guide wall 15, the second air guide wall 16, and the two main components 20 enclose an air intake channel 13 and an air inlet 14. In this way, a closed air intake channel 13 is formed by the first baffle 11, the second baffle 12, and the two main components 20, so that the suction force of the fan impeller can be concentrated at the air inlet 14, thereby improving the suction power of the range hood.

[0052] The oil guide 50 is located between the two main body parts 20. In order to enable the oil guide 50 to collect as much grease as possible from the first air guide wall 15, the oil guide 50 abuts against the two main body parts 20 at both ends in the third direction Z, so that the length of the oil guide groove 51 in the third direction Z is close to the length of the first air guide wall 15 in the third direction Z, and the grease on the first air guide wall 15 can fall into the oil guide groove 51 as much as possible.

[0053] The outer walls of the two main components 20, together with the first air guide wall 15 and the second air guide wall 16, form an air inlet channel 13 and an air inlet 14. Each main component 20 has an internal side cavity 21, with an oil outlet connected to the side cavity 21. The main component 20 also includes an oil outlet 22 located at the bottom of the main component 20 and above the oil receiving groove 41, thus connecting the side cavity 21 and the oil receiving groove 41. Therefore, when grease on the first air guide wall 15 falls into the oil guiding groove 51 of the oil guide component 50, it flows along the oil guiding groove 51 towards the two oil outlets 22, and finally flows from the oil outlets 22 into the two side cavities 21. The grease entering the two side chambers 21 will flow along the inner wall of the side chambers 21 and finally flow into the oil outlet 22 at the bottom of the side chambers 21, and then flow into the oil receiving tank 41 through the oil outlet 22, so as to collect the grease on the first air guide wall 15.

[0054] In some embodiments, see Figure 4 and Figure 5Each main component 20 has an oil guide hole 23 on one side surface facing the air inlet channel 13. The oil guide hole 23 is connected to the side cavity 21. The oil guide outlet 52 of the oil guide component 50 is connected to the oil guide hole 23, so that the oil guide outlet 52 can be connected to the side cavity 21, thereby allowing the grease in the oil guide groove 51 to fall into the side cavity 21.

[0055] It should be noted that, in actual use, depending on the layout of the range hood, an oil outlet 52 may be provided at only one end of the oil guide component 50, and a side cavity 21, an oil guide hole 23, and an oil outlet hole 22 may be provided on one of the main components 20.

[0056] In some embodiments of this application, see [reference] Figure 4 The oil guide 50 includes a first oil guide portion 53 and a second oil guide portion 54 that are both longitudinally elongated along the third direction Z. The surfaces of the first oil guide portion 53 and the second oil guide portion 54 are set at an angle, so that the cross section of the oil guide 50 is V-shaped. An oil guide groove 51 can be formed in the middle of the V-shape, that is, between the first oil guide portion 53 and the second oil guide portion 54. Two oil guide outlets 52 can be formed at the two ends of the first oil guide portion 53 and the second oil guide portion 54 in the third direction Z.

[0057] Furthermore, to support the oil guide 50, the oil guide 50 includes an oil guide body and two protruding brackets 55. The two protruding brackets 55 are spaced apart along the third direction Z on the air inlet body 10. Each protruding bracket 55 includes two support portions 56 arranged at an angle. The protruding bracket 55 is located on the two protruding brackets 55 and between the two support portions 56. Thus, the protruding brackets 55 are also V-shaped. By supporting the V-shaped oil guide 50 with the V-shaped protruding brackets 55, the support effect of the oil guide 50 can be improved. Moreover, when it is necessary to disassemble the oil guide 50, the oil guide 50 can be lifted upwards, so that the oil guide 50 can be separated from the two protruding brackets 55, so that the oil guide 50 can be removed from the air inlet body 10 for cleaning.

[0058] Two protruding brackets 55 are disposed on the two main body members 20, and the two protruding brackets 55 are respectively located below the oil guide holes 23 on the two main body members 20. When the oil guide member 50 overlaps the two protruding brackets 55, the oil guide outlet 52 of the oil guide member 50 is aligned with the oil guide hole 23. At this time, the protruding brackets 55 can prevent grease from leaking from the gap between the oil guide outlet 52 and the oil guide hole 23, thereby making the oil guide outlet 52 connected to the oil guide hole 23. It is understood that in other embodiments, the oil guide member 50 can also be overlapped on the protruding brackets 55, and the end of the oil guide member 50 with the oil guide outlet 52 can be inserted into the oil guide hole 23, so that the oil guide outlet 52 is connected to the oil guide hole 23.

[0059] In some embodiments of this application, see [reference] Figure 6 The air guide plate 30 is located between the two main body components 20. The air guide plate 30 can directly abut or connect with the two main body components 20 to reduce the gap between the two air guide plates 30 and the main body components 20. This reduces the evaporation of grease on the second air guide wall 16 through the gap between the air guide plate 30 and the main body components 20. It also prevents users from seeing grease marks on the second air guide wall 16 through the gap between the air guide plate 30 and the main body components 20, thus improving the user experience.

[0060] Furthermore, the air guide plate 30 is made of an opaque material, and the distance between the end of the air guide plate 30 near the second air guide wall 16 and the oil cup 40 in the second direction Y is greater than the distance between the first edge 17 and the oil cup 40 in the second direction Y. In other words, the height of the end of the air guide plate 30 near the second air guide wall 16 is higher than the first edge 17. Thus, the user cannot see the second air guide wall 16 through the air guide plate 30, and when looking into the range hood from the air inlet 14, only the air guide plate 30 is visible. Therefore, there are no traces of grease on the visible surfaces of the range hood, effectively improving the user experience.

[0061] In some embodiments, the air inlet structure further includes a support member 31, which connects the air guide plate 30 and the air inlet body 10. The support member 31 is located on the side of the air guide plate 30 away from the air inlet 14, thereby hiding the support member 31 in the space on the side of the air guide plate 30 away from the air inlet 14. This helps to ensure the flatness of the surface of the air guide plate 30 facing the air inlet 14, and thus ensures the air guiding effect.

[0062] In some embodiments of this application, see [reference] Figure 2 and Figure 7 The air inlet body 10 also includes a base plate 24, which is located between the two main body parts 20 and is set along the second edge 18 of the air inlet 14. The base plate 24 is used to connect the bottoms of the two main body parts 20 to form a whole, thereby improving the overall structural strength of the air inlet body. An oil cup 40 is located on the side of the base plate 24 away from the air inlet 14. The oil cup 40 can be fixed to the base plate 24, or both ends of the oil cup 40 can be fixed to the two main body parts 20.

[0063] In actual use, the base plate 24 may cover part or all of the opening of the oil receiving groove 41, thus affecting the grease from falling into the oil receiving groove 41. To address this, the base plate 24 is provided with an oil drain hole 25 that extends through the second direction Y. When the grease on the second air guide wall 16 falls onto the base plate 24, it will fall into the oil receiving groove 41 through the oil drain hole 25, thus allowing the grease to fall into the oil receiving groove 41 normally.

[0064] The base plate 24 is located in the space on the side of the air guide plate 30 facing the second air guide wall 16, and the projection of the air guide plate 30 in the second direction Y covers the base plate 24, so that the user cannot directly see the base plate 24 from the air inlet 14. Therefore, even if there are some oil stains on the base plate 24, they will not be exposed to the outside. Furthermore, there are multiple oil drain holes 25, all of which are arranged at intervals along the third direction Z, so that the grease on the second air guide wall 16 can flow into the oil cup 40 through the multiple oil drain holes 25, avoiding the accumulation of grease on the base plate 24.

[0065] The above-mentioned air intake structure has at least the following advantages:

[0066] By tilting the air guide plate 30 within the air inlet channel 13, the airflow can be more smoothly guided into the air inlet channel 13 under the action of the air guide plate 30. Furthermore, the air guide plate 30 can also provide some shielding for the second air guide wall 16, thus blocking grease residue on the second air guide plate 30. And since the grease on the first air guide plate 30 will fall into the oil collecting groove 41 through the oil guide component 50, grease from the first air guide wall 15 can be prevented from falling onto the air guide plate 30.

[0067] In this way, grease residue on the first and second air guide walls 15 will not be exposed to the external environment, or only a small portion will be exposed, thus reducing the amount of grease evaporating into the range hood and consequently reducing odors, improving the user experience. Furthermore, since the grease residue is located inside the air intake structure, users cannot see it or can only see a small amount, improving the visual appeal and further enhancing the user experience.

[0068] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0069] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An air intake structure, characterized in that, The air intake structure includes: The air inlet body (10) has an air inlet channel (13) and an air inlet (14) connected to the air inlet channel (13). The air inlet channel (13) has a first air guide wall (15) and a second air guide wall (16) spaced apart along a first direction (X). The air inlet (14) has a first edge (17) and a second edge (18) spaced apart along a second direction (Y) intersecting the first direction (X). An air guide plate (30) is located inside the air inlet channel (13). One end of the air guide plate (30) is arranged along the second edge (18) in the first direction (X), and the other end extends toward the first edge (17) and the second air guide wall (16). A first gap (32) is formed between the end of the air guide plate (30) away from the second edge (18) and the second air guide wall (16). An oil cup (40) is disposed on the air inlet body (10) along the second edge (18). The oil cup (40) has an oil receiving groove (41) that is longitudinally elongated along a third direction (Z) that intersects both the first direction (X) and the second direction (Y). The opening of the oil receiving groove (41) faces the first gap (32). An oil guide (50) is disposed on the first air guide wall (15) along the first edge (17). The oil guide (50) has an oil guide groove (51). The opening of the oil guide groove (51) is located on the side of the oil guide (50) away from the air inlet (14). At least one end of the oil guide (50) in the third direction (Z) is provided with an oil guide outlet (52) that communicates with the oil guide groove (51). The oil guide outlet (52) is connected to the oil receiving groove (41).

2. The air inlet structure according to claim 1, characterized in that, The air intake body (10) also has two main body components (20) spaced apart along the third direction (Z). The first air guide wall (15), the second air guide wall (16) and the two main body components (20) surround and form an air intake channel (13) and an air inlet (14). At least one of the main body components (20) has a side cavity (21) inside. The oil outlet (52) is connected to the side cavity (21). The main body component (20) also includes an oil outlet hole (22). The oil outlet hole (22) connects the side cavity (21) and the oil receiving groove (41).

3. The air inlet structure according to claim 2, characterized in that, At least one of the main body components (20) has an oil guide hole (23) on one side surface facing the air inlet channel (13), the oil guide hole (23) is connected to the side cavity (21), and the oil guide outlet (52) is connected to the oil guide hole (23).

4. The air inlet structure according to claim 1, characterized in that, The oil guide (50) includes a first oil guide portion (53) and a second oil guide portion (54) that are both longitudinally elongated along the third direction (Z), and the surfaces of the first oil guide portion (53) and the second oil guide portion (54) are set at an angle.

5. The air inlet structure according to claim 1, characterized in that, The air intake structure also includes two extension brackets (55), which are spaced apart on the air intake body (10) along the third direction (Z). Each extension bracket (55) includes two support parts (56) arranged at an angle. The extension bracket (55) is located on the two extension brackets (55) and between the two support parts (56).

6. The air inlet structure according to claim 1, characterized in that, The air guide plate (30) is made of opaque material.

7. The air inlet structure according to claim 1, characterized in that, The air intake structure also includes a support member (31), which connects the air guide plate (30) and the air intake body (10), and the support member (31) is located on the side of the air guide plate (30) away from the air inlet (14).

8. The air inlet structure according to claim 1, characterized in that, The air inlet body (10) also includes a base plate (24), which is arranged along the second edge (18). The oil cup (40) is located on the side of the base plate (24) away from the air inlet (14). The base plate (24) has an oil leakage hole (25) that runs through the second direction (Y).

9. The air inlet structure according to claim 8, characterized in that, The oil leakage holes (25) include multiple holes, and all the oil leakage holes (25) are arranged at intervals along the third direction (Z).

10. A range hood, characterized in that, Including the air intake structure as described in any one of claims 1-9.

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