Air suction opening structure and range hood with same

Abstract

The utility model discloses an exhaust inlet structure and a range hood with the same, the exhaust inlet structure is used for the range hood, the exhaust inlet structure comprises an exhaust panel, the exhaust panel is provided with an exhaust inlet, and the edges of the two sides of the exhaust inlet are both provided with a first inserting structure and a first clamping structure; the first air suction opening decorating parts are arranged on the edges of the two sides of the air suction opening, each first air suction opening decorating part is provided with a second inserting structure and a second clamping structure, and the second inserting structures are inserted into the first clamping structures on the corresponding sides of the air suction opening; the first inserting structures are inserted into the second clamping structures of the first exhaust opening decorating parts on the corresponding sides. According to the air suction opening structure, rapid installation of the air suction panel and the first air suction opening decorating part can be achieved.

Description

Technical Field

[0001] This utility model relates to the field of range hood technology, specifically to an air intake structure and a range hood having the same. Background Technology

[0002] In existing technology, a stacked air guide and liquid guide component and a flange are installed at the air intake of the range hood. The air guide and liquid guide component are bonded to the flange at the air intake by adhesive. After the adhesive is applied, the connection between the flange and the air guide and liquid guide component needs to be clamped and fixed with clips. Many clips need to be arranged circumferentially at the air intake and clamped at corresponding parts of the flange and the air guide and liquid guide component to ensure the adhesion effect. This installation method makes fixing the air guide and liquid guide component to the air intake very cumbersome and time-consuming, as it takes a long time for the two to bond together. Utility Model Content

[0003] The purpose of this utility model is to provide an air intake structure and a range hood having the same, which is used to solve the above-mentioned technical problems.

[0004] This utility model provides an air intake structure for a range hood, comprising:

[0005] The suction panel has a suction port, and both sides of the suction port have a first plug-in structure and a first snap-fit ​​structure.

[0006] The first air intake decorative piece is located on both sides of the air intake. The first air intake decorative piece has a second insertion structure and a second snap-fit ​​structure. The second insertion structure is inserted into the first snap-fit ​​structure on the corresponding side of the air intake, and the first insertion structure is inserted into the second snap-fit ​​structure on the corresponding side of the first air intake decorative piece.

[0007] According to one embodiment of the present invention, both sides of the air intake have a first extension portion extending obliquely upward. The distance between the upper edges of the first extension portions on both sides is less than the width of the air intake. The upper edges of the first extension portions on both sides extend into a second extension portion in a direction away from the air intake. The second extension portion forms a first insertion structure, and the gap between the first extension portion and the second extension portion forms a first snap-fit ​​structure.

[0008] According to one embodiment of the present invention, the first air intake decorative component includes a body, a third extension portion extending from the upper edge of the side of the body near the air intake in the direction of the air intake, a fourth extension portion extending from the side of the body near the air intake in the direction of the air intake, the fourth extension portion being located below the third extension portion, the fourth extension portion forming a second insertion structure, and the gap between the third extension portion and the fourth extension portion forming a second snap-fit ​​structure.

[0009] According to one embodiment of the present invention, the distance by which the third extension extends toward the air intake is greater than the distance by which the fourth extension extends toward the air intake.

[0010] According to one embodiment of the present invention, the edge of the third extension extends downward to form an overlapping portion, and the gap between the overlapping portion and the fourth extension portion forms an opening for the first insertion structure to be inserted into the second snap-fit ​​structure, and the inner wall surface of the overlapping portion overlaps with the outer wall surface of the first insertion structure.

[0011] According to one embodiment of the present invention, the main body is provided with a first oil guide groove, and the wall surface of the main body away from the air intake is provided with an oil guide hole that communicates with the first oil guide groove.

[0012] According to one embodiment of the present invention, the wall surface of the main body away from the air inlet is a slope, and the slope is inclined downward from the side close to the air inlet to the side away from the air inlet.

[0013] According to one embodiment of the present invention, an air guide plate extends from the upper edge of the side of the main body away from the air inlet in a direction away from the air inlet, and the air guide plate is inclined upward from the side near the air inlet to the side away from the air inlet.

[0014] According to one embodiment of the present invention, the air intake is elongated, with both ends of the air intake being arc-shaped. The two ends of the arc shape are connected to the two side edges of the air intake. Each side of the air intake has a fifth extension extending from the arc edge to the other side. The fifth extension is inclined upward from the side that connects with the arc edge to a point away from the arc edge. The air intake also includes a second air intake decorative piece, which is connected to the fifth extension. The second air intake decorative piece is provided with a second oil guide groove. The wall surface of the second oil guide groove near the air intake is connected to the fifth extension. The second oil guide groove is connected to the first oil guide groove.

[0015] This utility model also provides a range hood with an air intake structure, including a range hood body, the range hood body having an air intake panel, and the air intake being connected to the smoke collection chamber of the range hood body.

[0016] Compared with the prior art, the air intake structure of this utility model has at least the following advantages:

[0017] The air intake structure of this utility model interlocks by inserting the second plug-in structure of the first air intake decorative piece into the first snap-fit ​​structure on the corresponding side of the air intake, and inserting its first plug-in structure into the second snap-fit ​​structure of the first air intake decorative piece on the corresponding side, thereby achieving quick installation between the first air intake decorative piece and the air intake panel, thus solving the problem of time-consuming adhesive bonding in the prior art. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the smoke hood of this utility model;

[0019] Figure 2 This is a cross-sectional view of the smoke hood of this utility model;

[0020] Figure 3 For the present utility model Figure 2 Enlarged view of part A in the image;

[0021] Figure 4 For the present utility model Figure 3 Enlarged view of part B in the image;

[0022] Figure 5 A schematic diagram of the structure of the suction panel of this utility model;

[0023] Figure 6 For the present utility model Figure 5 Enlarged view of part C in the image;

[0024] Figure 7 This is a schematic diagram of the air intake structure of an existing range hood.

[0025] In the diagram: 1. Suction panel; 11. Suction port; 111. First extension; 112. Second extension; 113. Fifth extension; 2. First suction port decorative piece; 21. Body; 211. Third extension; 212. Fourth extension; 213. Overlapping part; 214. Oil guide hole; 22. First oil guide groove; 23. Air guide plate; 3. Second suction port decorative piece; 31. Second oil guide groove; 4. Range hood body; 5. Air guide and liquid guide piece; 6. Flanged edge.

[0026] The implementation and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0027] The following drawings will disclose several embodiments of this utility model. For clarity, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these practical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0028] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0029] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0030] To further understand the content, features, and effects of this utility model, the following embodiments are provided, and detailed descriptions are given below in conjunction with the accompanying drawings:

[0031] First, please refer to Figure 7 In existing technology, a guide liquid component 5 and a flange 6, stacked vertically, are installed at the air intake 11 of the range hood. The guide liquid component 5 can guide the airflow entering the air intake 11 in an orderly manner, making the airflow regular and reducing noise at the air intake. During installation, the guide liquid component 5 and the flange 6 at the air intake 11 are bonded together with adhesive. After applying the adhesive, the connection between the flange 6 and the guide liquid component 5 needs to be clamped and fixed. Many clamps need to be arranged circumferentially at the air intake and clamped at the corresponding parts of the flange 6 and the guide liquid component 5 to ensure the bonding effect. This installation method makes fixing the guide liquid component 5 to the air intake 11 very troublesome, and waiting for the two to bond together takes a long time, which is labor-intensive.

[0032] To solve the above problems, this utility model discloses an air intake structure, as described below.

[0033] This utility model discloses an air intake structure for use in a range hood. Please refer to [link / reference]. Figures 1 to 6 ,include:

[0034] The suction panel 1 has a suction port 11, and the two sides of the suction port 11 are provided with a first plug-in structure and a first snap-fit ​​structure.

[0035] The first air intake decorative piece 2 is located on both sides of the air intake 11. The first air intake decorative piece 2 has a second insertion structure and a second snap-fit ​​structure. The second insertion structure is inserted into the first snap-fit ​​structure on the corresponding side of the air intake 11, and the first insertion structure is inserted into the second snap-fit ​​structure on the corresponding side of the first air intake decorative piece 2.

[0036] When installing the first air intake decorative piece 2 on both sides of the air intake 11 of the air intake panel 1, the second insertion structure of the first air intake decorative piece 2 is inserted into the first snap-fit ​​structure on the corresponding side of the air intake 11, and its first insertion structure is inserted into the second snap-fit ​​structure on the corresponding side of the first air intake decorative piece 2. The installation of the first air intake decorative piece 2 can be completed. At this time, the installation is completed when the insertion is in place, forming an interlocking structure. No glue is required, which solves the problem that in the prior art, the flange is glued to the air guide and liquid guide, which is very troublesome to fix and takes a long time to wait for the two to stick together, which is time-consuming.

[0037] The first air intake decorative piece 2 is installed on the upper side of the air intake panel 1. During cooking, the range hood is turned on and the fumes are drawn upward from the air intake 11.

[0038] For the air intake structure of this utility model, please refer to [link / reference]. Figures 2 to 4 The air intake 11 has a first extension 111 extending obliquely upward on both sides of its edge. The distance between the upper edges of the first extension 111 on both sides is less than the width of the air intake 11. The upper edges of the first extension 111 on both sides extend into a second extension 112 in a direction away from the air intake 11. The second extension 112 forms a first plug-in structure. The gap between the first extension 111 and the second extension 112 forms a first snap-fit ​​structure.

[0039] In this embodiment, the two first extensions 111 are arranged opposite to each other and are both inclined upwards. Their lower ends are fixedly connected to the suction panel 1, and their upper ends are close to each other. The inclination angle of the two first extensions 111 can be 110°, 115°, 120°, 125°, 130°, or 135°, etc. The two second extensions 112 extend in opposite directions and can be arranged parallel to the suction panel 1, or can be arranged at an acute angle relative to the suction panel 1 and form an acute angle with the corresponding first extension 111 to form a first snap-fit ​​structure.

[0040] When installing the first air intake decorative piece 2 on both sides of the air intake 11 of the air intake panel 1, the second insertion structure of the first air intake decorative piece 2 is inserted into the second extension 112 on the corresponding side of the air intake 11, that is, inserted into the angle between the first extension 111 and the corresponding second extension 112, and its second extension 112 is inserted into the second snap-fit ​​structure of the first air intake decorative piece 2 on the corresponding side. The installation of the first air intake decorative piece 2 can be completed. At this time, the installation is completed when the insertion is in place. No glue is required. This solves the problem that in the prior art, the flange is glued to the air guide and liquid guide, which is very troublesome to fix and takes a long time to wait for the two to stick together, which is time-consuming.

[0041] Based on the above embodiments, the angle between the two first extensions 111 and the corresponding second extensions 112 is formed with rounded corners to ensure the aesthetics of the air intake 11.

[0042] It should be noted that the first extension 111 is the flange 6 in the prior art, and the first air intake decorative part 2 is the air guide liquid guide part 5 in the prior art.

[0043] For the air intake structure of this utility model, please refer to [link / reference]. Figures 2 to 4 The first air intake decorative component 2 includes a body 21. The upper edge of the body 21 near the air intake 11 extends in the direction of the air intake 11 with a third extension 211. The side of the body 21 near the air intake 11 extends in the direction of the air intake 11 with a fourth extension 212. The fourth extension 212 is located below the third extension 211. The fourth extension 212 forms a second insertion structure. The gap between the third extension 211 and the fourth extension 212 forms a second snap-fit ​​structure.

[0044] In this embodiment, two third extension portions 211 extending from the body 21 extend toward each other, and two fourth extension portions 212 also extend toward each other. The two fourth extension portions 212 extend below the corresponding third extension portions 211, and the length of the corresponding fourth extension portion 212 is less than the length of the third extension portion 211.

[0045] When installing the first air intake decorative piece 2 on both sides of the air intake 11 of the air intake panel 1, the fourth extension 212 of the body 21 of the first air intake decorative piece 2 is inserted into the first snap-fit ​​structure on the corresponding side of the air intake 11, and its first insertion structure is inserted into the gap between the third extension 211 and the fourth extension 212 of the body 21 of the first air intake decorative piece 2 on the corresponding side. The installation of the first air intake decorative piece 2 can be completed. At this time, the installation is completed when the insertion is in place. No glue is required. This solves the problem that in the prior art, the flange is glued to the air guide and liquid guide, which is very troublesome to fix and takes a long time to wait for the two to stick together, which is time-consuming.

[0046] Specifically, based on the first extension 111 and the second extension 112, when the first air intake decorative piece 2 is installed on both sides of the air intake 11 of the air intake panel 1, the fourth extension 212 of the body 21 of the first air intake decorative piece 2 is inserted into the second extension 112 on the corresponding side of the air intake 11, that is, inserted into the angle between the first extension 111 and the corresponding second extension 112, and the second extension 112 is inserted into the gap between the third extension 211 and the fourth extension 212 of the body 21 of the first air intake decorative piece 2 on the corresponding side. The installation of the first air intake decorative piece 2 can be completed. At this time, the installation is completed when it is inserted into place, and no glue is required. This solves the problem that in the prior art, the flange is glued to the air guide and liquid guide, which is very troublesome to fix and takes a long time to wait for the two to stick together, which is time-consuming.

[0047] Based on the above embodiment, the lower edge of the body 21 abuts against the angle formed by the lower edge of the first extension 111 and the suction panel 1, and the upper side of the end of the second extension 112 abuts against the angle between the third extension 211 and the body 21, and at the same time abuts against the lower side of the third extension 211 facing the fourth extension 212, so that after the first suction port decorative piece 2 is installed on the suction panel 1, the two are installed firmly and there will be no problem of shaking or detachment.

[0048] For the air intake structure of this utility model, please refer to [link / reference]. Figures 2 to 4 The distance that the third extension 211 extends toward the air intake 11 is greater than the distance that the fourth extension 212 extends toward the air intake 11.

[0049] To ensure that during the insertion and installation process, when the second extension 112 is inserted into the gap between the third extension 211 and the fourth extension 212, the fourth extension 212 will not obstruct the insertion of the second extension 112 due to the angle between the first extension 111 and the second extension 112, thus ensuring the smooth insertion of the second extension 112. At the same time, the length of the third extension 211 is greater than that of the fourth extension 212, so that after the second extension 112 is inserted, the third extension 211 can form downward to cover the second extension 112 and prevent the second extension 112 from coming out.

[0050] For the air intake structure of this utility model, please refer to [link / reference]. Figures 2 to 4 The edge of the third extension 211 extends downward to form an overlapping portion 213. The gap between the overlapping portion 213 and the fourth extension 212 forms an opening for the first insertion structure to be inserted into the second snap-fit ​​structure. The inner wall of the overlapping portion 213 overlaps with the outer wall of the first insertion structure.

[0051] In this embodiment, the cross-section of the overlapping portion 213 is triangular, and its inner surface is inclined. When the first insertion structure, i.e., the second extension 112, is inserted into the gap between the third extension 211 and the fourth extension 212, the second extension 112 is inserted from the opening and overcomes the obstruction of the overlapping portion 213 until its end abuts against the angle between the third extension 211 and the fourth extension 212. When inserted into place, the inner wall surface of the overlapping portion 213 overlaps with the outer wall surface of the first insertion structure. At this time, the overlapping portion 213 forms an obstruction to the second extension 112 disengaging outward from the angle between the third extension 211 and the fourth extension 212, thereby ensuring that the first air intake decorative piece 2 is stably installed on the air intake panel 1.

[0052] Based on the above embodiment, the lower end of the overlapping portion 213 has a rounded corner structure so that when the second extension portion 112 is inserted into the opening, the second extension portion 112 contacts the rounded corner structure of the overlapping portion 213, ensuring that the second extension portion 112 can be smoothly inserted into the opening. After installation, the rounded corner structure of the overlapping portion 213 abuts downward against the outer circular structure formed by the first extension portion 111 and the second extension portion 112, forming a covering structure. The overlapping portion 213 covers the second extension portion 112 inward, preventing the first extension portion 111 and the second extension portion 112 from separating, ensuring a stable installation, and so that the two arc-shaped surface structures can guide each other during disassembly, facilitating disassembly.

[0053] For the air intake structure of this utility model, please refer to [link / reference]. Figures 2 to 6 The main body 21 is provided with a first oil guide groove 22, and the wall surface of the main body 21 away from the air intake 11 is provided with an oil guide hole 214 that communicates with the first oil guide groove 22.

[0054] Please see Figure 2 The suction panel 1 is usually tilted, with the side closer to the user tilted upward to create a larger operating space for the user. At the same time, it causes the oil remaining on the range hood to flow away from the user and eventually flow and concentrate in the oil cup.

[0055] In this embodiment, the first air intake decorative piece 2 is inclined and arranged in conjunction with the air intake panel 1, and the first oil guide groove 22 is circumferentially arranged on the body 21, with the oil guide hole 214 opened in the low-lying area of ​​the first oil guide groove 22. During or after cooking, when oil drips and accumulates at the first air intake decorative piece 2, it will accumulate on the first oil guide groove 22. At this time, under the inclination of the first air intake decorative piece 2, it will flow around the first oil guide groove 22 toward the low-lying area of ​​the inclined first oil guide groove 22, and finally be discharged and concentrated in the oil cup.

[0056] For the air intake structure of this utility model, please refer to [link / reference]. Figures 2 to 6The wall surface of the main body 21 away from the air inlet 11 is a slope, and the slope is set downward from the side close to the air inlet 11 to the side away from the air inlet 11.

[0057] In this embodiment, the inclined surface is inclined downward from the side near the air intake 11 to the side away from the air intake 11, so that it forms an acute angle structure with the lower side of the body 21, forming a constricted structure. When the oil drips and accumulates on the first oil guide groove 22, the inclined surface limits the oil to prevent it from flowing out of the first air intake decorative part 2 under the action of external force, ensuring that the oil can be concentrated in the oil cup through the oil guide hole 214.

[0058] For the air intake structure of this utility model, please refer to [link / reference]. Figures 2 to 6 A guide plate 23 extends from the upper edge of the body 21 on the side away from the air inlet 11 in a direction away from the air inlet 11. The guide plate 23 is inclined upward from the side near the air inlet 11 to the side away from the air inlet 11.

[0059] In this embodiment, the lower edge of the air guide plate 23 is fixedly connected to the upper edge of the wall of the corresponding body 21 away from the air intake 11. The air guide plate 23 has an overall flared structure to guide the dripping oil. The lower edge of the air guide plate 23 is located directly above the third extension 211, which is inclined downwards away from the air intake 11 to ensure that the oil dripping onto the air guide plate 23 can drip onto the third extension 211 and fall into the first oil guide groove 22 under the guidance of the third extension 211, thus completing the collection and preventing the oil from dripping from the air intake 11.

[0060] For the air intake structure of this utility model, please refer to [link / reference]. Figures 2 to 6 The air intake 11 is elongated, with arc-shaped ends. The two ends of the arc shape are connected to the two side edges of the air intake 11. Each side of the arc-shaped edge of the air intake 11 extends to the other side with a fifth extension 113. The fifth extension 113 is inclined upward from the side that connects with the arc-shaped edge to the side that is away from the arc-shaped edge. The air intake 11 also includes a second air intake decorative piece 3, which is connected to the fifth extension 113. The second air intake decorative piece 3 is provided with a second oil guide groove 31. The wall surface of the second oil guide groove 31 near the air intake 11 is connected to the fifth extension 113. The second oil guide groove 31 is connected to the first oil guide groove 22.

[0061] In this embodiment, two fifth extensions 113 are arranged opposite to each other and connected to two opposite first extensions 111 to form an annular oil-blocking structure. The two fifth extensions 113 are inclined upwards, which can guide the downward dripping oil to the second oil guide groove 31 and prevent the oil in the second oil guide groove 31 from flowing out of the air intake 11. The second oil guide groove 31 is connected to the first oil guide groove 22 to form an annular oil guide structure and is connected to the oil guide hole 214, thereby ensuring that the oil accumulated in the second oil guide groove 31 and the first oil guide groove 22 can flow away from the oil guide hole 214 and finally be collected in the oil cup.

[0062] This utility model also provides a range hood, please refer to [link / reference]. Figure 1 and Figure 2 The aforementioned air intake structure includes a range hood body 4, which has an air intake panel 1 and an air intake 11 connected to the smoke collection chamber of the range hood body 4.

[0063] In use, the range hood inside the main body 4 is activated by controlling the suction panel 1. The exhaust fan draws the cooking fumes generated during cooking through the suction port 11 into the smoke collection chamber of the main body 4 for further processing. During this process, dripping oil can be guided by the guide plate 23 and the third extension 211 into the first oil guide groove 22. At the same time, dripping oil can be guided by the fifth extension 113 into the second oil guide groove 31, and finally discharged from the oil guide hole 214 and collected by the oil cup.

[0064] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A suction port structure for a range hood, comprising: The utility model relates to an air inlet panel (1) is provided with air inlet (11) on the air inlet panel (1), and the both sides edges of air inlet (11) are equipped with first plug structure and first clamping structure respectively. First air inlet decorative piece (2) is arranged on both sides edges of air inlet (11), and first air inlet decorative piece (2) has second plug structure and second clamping structure, and second plug structure is inserted into first clamping structure on the corresponding side of air inlet (11), and first plug structure is inserted into second clamping structure of the corresponding first air inlet decorative piece (2). The both sides edges of air inlet (11) extend with first extension (111) obliquely upwards, and the distance between the upper edges of first extension (111) of both sides edges is less than the width of air inlet (11), and the upper edges of first extension (111) of both sides extend with second extension (112) in the direction away from air inlet (11), and second extension (112) forms first plug structure, and the gap between first extension (111) and second extension (112) forms first clamping structure.

2. The air intake structure according to claim 1, characterized by First air inlet decorative piece (2) includes body (21), and the upper edge of the side close to air inlet (11) of body (21) extends with third extension (211) in the direction of air inlet (11), and the side close to air inlet (11) of body (21) extends with fourth extension (212) in the direction of air inlet (11), and fourth extension (212) is located below third extension (211), and fourth extension (212) forms second plug structure, and the gap between third extension (211) and fourth extension (212) forms second clamping structure.

3. The air intake structure of claim 1, wherein The distance that third extension (211) extends to air inlet (11) is greater than the distance that fourth extension (212) extends to air inlet (11).

4. The air intake structure according to claim 3, characterized by The edge of third extension (211) extends with lap joint (213) downwards, and the gap between lap joint (213) and fourth extension (212) forms the opening that first plug structure is inserted into second clamping structure, and the inner side wall surface of lap joint (213) is overlapped with the outer side wall surface of first plug structure.

5. The air intake structure of claim 3, wherein Body (21) is equipped with first oil guide groove (22), and the wall surface away from air inlet (11) of body (21) is equipped with oil guide hole (214) in communication with first oil guide groove (22).

6. The air intake structure of claim 3, wherein The wall surface away from air inlet (11) of body (21) is inclined surface, and the inclined surface is arranged downwardly from the side close to air inlet (11) to the side away from air inlet (11).

7. The air intake structure of claim 3, wherein ​ 8. The air intake structure of claim 6, wherein The upper edge of the body (21) away from the side of the air inlet (11) extends in the direction away from the air inlet (11) with a wind deflector (23), the wind deflector (23) is arranged upwardly from the side close to the air inlet (11) to the side away from the air inlet (11).

9. The air intake structure of claim 6, wherein The air inlet (11) is long strip type, the two ends of the air inlet are arc-shaped, the two ends of the arc-shaped are connected to the two side edges of the air inlet (11), the arc-shaped edge of each side of the air inlet (11) extends to the other side with a fifth extension (113), the fifth extension (113) is arranged upwardly from the side connected to the arc-shaped edge to the side away from the arc-shaped edge; further comprising a second air inlet decoration (3), the second air inlet decoration (3) is connected with the fifth extension (113), the second air inlet decoration (3) is provided with a second oil guide groove (31), the wall surface close to the side of the air inlet (11) of the second oil guide groove (31) is connected with the fifth extension (113), the second oil guide groove (31) is communicated with the first oil guide groove (22).

10. A smoke machine using the air intake structure according to any one of claims 1 to 9, characterized by Including a range hood body (4), the range hood body (4) has the air inlet panel (1), the air inlet (11) is communicated with the smoke collecting cavity of the range hood body (4).

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