Seam shielding structure and fan range hood

Abstract

The utility model provides a seam shielding structure and a fan range hood. The fan range hood comprises a fan body, a driving mechanism and an opening and closing panel, the fan body is provided with a movement gap for the driving mechanism to move, and the driving mechanism extends out of the fan body and is in transmission connection with the opening and closing panel. The seam shielding structure is provided with an avoiding hole for the driving mechanism to penetrate through, and the seam shielding structure is installed at the opening of the movement gap to shield the movement gap. The seam shielding structure can shield the movement gap at the driving mechanism, the overall appearance defect is avoided, the attractiveness of the fan range hood is improved, meanwhile, the seam shielding structure can also prevent insects, rats and the like from entering the fan body from the movement gap, the situation that the handle of a user stretches into the movement gap and is hurt by the driving mechanism can be prevented, and the user experience is improved. And the safety of the fan range hood is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a range hood field, in particular to a kind of cover seam structure and fan range hood. BACKGROUND

[0002] Fan range hood main body can be divided into fan part and range hood part two big parts.Range hood part main function is to suck oil fume, fan part main function is to carry out airflow circulation to kitchen indoor to reduce temperature.Fan part mainly blows out high-speed airflow to cooking personnel, to the head and upper limb of cooking personnel and reduces temperature.Fan part includes glass panel and the movement mechanism for controlling glass panel opening and closing.Movement gap exists at movement mechanism, and movement gap affects the overall appearance, and there is also safety risk simultaneously. SUMMARY

[0003] Therefore, it is necessary to provide a kind of cover seam structure and fan range hood for the movement gap of fan range hood main body in prior art affects the overall appearance, and there is also safety risk simultaneously.

[0004] Its technical scheme is as follows:

[0005] On the one hand, a kind of cover seam structure is provided, applied to fan range hood, the fan range hood includes fan body, driving mechanism and open-close panel, the fan body is equipped with the movement gap for the movement of the driving mechanism, the driving mechanism extends the fan body and is transmissionally connected with the open-close panel, the cover seam structure is equipped with the avoiding hole for the driving mechanism to pass through, and the cover seam structure is installed at the opening of the movement gap to shield the movement gap.

[0006] The technical scheme is further explained as follows:

[0007] In one embodiment, the cover seam structure includes annular body and elastic part, the annular body is installed at the opening of the movement gap, the number of each elastic part is at least one, each elastic part is arranged on the inner side wall of the annular body, so that the annular body and each elastic part form the avoiding hole.

[0008] In one embodiment, each elastic part is located on the opposite side of the annular body.

[0009] In one embodiment, the cover seam structure is arranged as elastic cover seam plate.

[0010] On the other hand, a kind of fan range hood is provided, including fan body, driving mechanism, open-close panel and the cover seam structure, the cover seam structure is installed on the fan body.

[0011] In one of the embodiments, the fan body comprises a housing, the opening of the movement gap is arranged on the housing, the housing is provided with a first positioning part, the seam covering structure is provided with a second positioning part, and the second positioning part is configured to be positioned and matched with the first positioning part when the seam covering structure covers the movement gap.

[0012] In one of the embodiments, the first positioning part is arranged as a positioning column, the second positioning part is arranged as a positioning hole, the number of the positioning columns and the number of the positioning holes are both at least one, each of the positioning holes is arranged at intervals on the edge of the seam covering structure and is arranged correspondingly with each of the positioning columns.

[0013] Or, the second positioning part is arranged as a positioning hole, the second positioning part is arranged as a positioning column, the number of the positioning columns and the number of the positioning holes are both at least one, each of the positioning columns is arranged at intervals on the edge of the seam covering structure and is arranged correspondingly with each of the positioning holes.

[0014] In one of the embodiments, the driving mechanism comprises a driving member and a transmission assembly in transmission connection with the driving member, the transmission assembly passes through the avoiding hole and is in transmission connection with the opening and closing panel, the fan body further comprises a mounting bracket for mounting the driving member, the mounting bracket and the seam covering structure are both located in the housing, and the mounting bracket is configured to press the seam covering structure tightly on the housing when the seam covering structure covers the movement gap.

[0015] In one of the embodiments, the housing comprises a front housing and a rear housing, the opening of the movement gap is arranged on the front housing, the seam covering structure is located in the front housing, and the rear housing is provided with a pressing part for pressing the seam covering structure tightly on the front housing.

[0016] In one of the embodiments, both left and right sides of the fan body are provided with movement gaps, the driving mechanism and the seam covering structure are both two, two seam covering structures are respectively mounted at the openings of two movement gaps to cover the two movement gaps correspondingly, and two driving mechanisms respectively pass through the avoiding holes of two seam covering structures and are both in transmission connection with the opening and closing panel.

[0017] The seam covering structure and the fan range hood in the above embodiments can cover the movement gap at the driving mechanism when in use, avoid the overall appearance defects, improve the aesthetics of the fan range hood, block the insects and rodents from entering the inside of the fan body through the movement gap, prevent the user from being hurt by the driving mechanism when the hand is put into the movement gap, and improve the safety of the fan range hood. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of this application illustrate the embodiments of the present application and, together with the description, serve to explain the principles of the application. It is to be understood that various other modifications can be made without departing from the scope of the present application.

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the accompanying drawings needed to be used in the embodiments description will be briefly introduced. Obviously, the accompanying drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 Structure schematic view of a fan range hood in an embodiment.

[0021] Figure 2 Structure schematic view of a fan module in Figure 1

[0022] Structure schematic view of a fan module in Figure 3 Figure 2 Partial exploded view of a fan module in

[0023] Figure 4 Structure schematic view of a seam cover in Figure 3

[0024] Structure schematic view of a front shell in Figure 5 Figure 3 Structure schematic view of a rear shell in

[0025] Figure 6 Figure 3

[0026] Legend of the drawings:

[0027] 1, fan range hood; 10, fan module; 100, seam cover; 110, avoiding hole; 120, annular body; 130, elastic part; 140, second positioning part; 141, positioning hole; 200, fan body; 210, movement gap; 220, shell; 221, front shell; 222, rear shell; 223, press-fit part; 230, first positioning part; 231, positioning column; 240, mounting bracket; 300, driving mechanism; 310, driving piece; 400, opening and closing panel; 20, range hood module. DETAILED DESCRIPTION

[0028] ​​​​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.

[0029] like Figure 1 As shown, in one embodiment, the fan-driven range hood 1 includes a fan module 10 and a range hood module 20. The fan module 10 is mounted on the range hood module 20, which is used to extract cooking fumes and exhaust them from a common flue. The fan module 10 draws air in from the top and exhausts air from the front, directing it towards the user to reduce temperature.

[0030] The fan module 10 can be configured as any existing fan structure used in range hoods to blow air onto users. The range hood module 20 can be configured as any existing range hood structure. The fan module 10 can be installed on the range hood module 20 by snap-fit, plug-in, screw-in, or other means.

[0031] Specifically in this embodiment, the fan module 10 is equipped with a high-speed rotating cross-flow impeller. The cross-flow impeller is controlled to convert the filtered kitchen air into a high-speed airflow, which is blown toward the user's head and upper limbs to reduce the user's perceived temperature.

[0032] like Figure 2 As shown, optionally, the fan module 10 includes a fan body 200, a drive mechanism 300, and an opening / closing panel 400. The fan body 200 has a movement gap 210 for the movement of the drive mechanism 300. The drive mechanism 300 extends out of the fan body 200 and is connected to the opening / closing panel 400. Thus, the fan module 10 is configured with an opening / closing mechanism. When the fan module 10 is turned on, the opening / closing panel 400 opens under the drive of the drive mechanism 300 to ensure smooth airflow from the fan body 200; when the fan module 10 is turned off, the opening / closing panel 400 closes under the drive of the drive mechanism 300, preventing oil fumes from entering the fan body 200 and improving the reliability of the fan module 10.

[0033] Specifically, in this embodiment, when the fan module 10 is turned on, the drive mechanism 300 drives the opening and closing panel 400 to move upward, exposing the front of the fan body 200. When the fan module 10 is turned off, the drive mechanism 300 drives the opening and closing panel 400 to move downward, covering the front of the fan body 200. In other embodiments, the drive mechanism 300 can also open or close by driving the opening and closing panel 400 to rotate relative to the fan body 200.

[0034] likeFigure 3 As shown in the drawings, in one embodiment, a seam covering structure 100 is provided for a fan range hood 1. The seam covering structure 100 is provided with an avoiding hole 110 for the driving mechanism 300 to pass through, and the seam covering structure 100 is installed at the opening of the movement gap 210 to cover the movement gap 210.

[0035] The seam covering structure 100 in the above embodiment can cover the movement gap 210 at the driving mechanism 300 when in use, avoiding the overall appearance defects, improving the aesthetics of the fan range hood 1, and the seam covering structure 100 can also block the entry of insects and rodents from the movement gap 210 into the fan body 200, prevent the user from reaching into the movement gap 210 and being injured by the driving mechanism 300, and improve the safety of the fan range hood 1.

[0036] As shown in the drawings, Figure 4 Further, the seam covering structure 100 includes a ring-shaped body 120 and an elastic part 130. The ring-shaped body 120 is installed at the opening of the movement gap 210. The number of the elastic part 130 is at least one. Each elastic part 130 is arranged on the inner side wall of the ring-shaped body 120, so that the ring-shaped body 120 and each elastic part 130 form the avoiding hole 110. In this way, the elastic part 130 can be elastically deformed to ensure that the seam covering structure 100 does not interfere with the movement of the driving mechanism 300, and the elastic part 130 can also reduce the size of the avoiding hole 110, so that the seam covering structure 100 can cover the movement gap 210 to a greater extent when the driving mechanism 300 passes through the avoiding hole 110, improving the reliability of the seam covering structure 100.

[0037] The shape of the ring-shaped body 120 can be flexibly adjusted according to actual needs. The number of the elastic part 130 can be flexibly adjusted according to actual needs. In this embodiment, the seam covering structure 100 is square. Each elastic part 130 is integrally formed with the ring-shaped body 120.

[0038] Optionally, the seam covering structure 100 is provided as an elastic seam covering plate. In this way, the seam covering structure 100 improves the convenience of processing and manufacturing. In other embodiments, the seam covering structure 100 can also be provided as an elastic pad or other elastic structure.

[0039] As shown in the drawings, Figure 4As shown, each elastic part 130 is located on the opposite side of the annular body 120. In this way, the plurality of elastic parts 130 divides the inner hole of the annular body 120 into multiple areas. When the driving mechanism 300 extends from the escape hole 110, the elastic part 130 in contact with the driving mechanism 300 elastically deforms to escape, while the elastic part 130 not in contact with the driving mechanism 300 remains in a shielding state, minimizes the size of the escape hole 110, and improves the reliability of the seam covering structure 100.

[0040] In the embodiment, each elastic part 130 is located on the opposite side of the annular body 120 and is symmetrically arranged.

[0041] As shown in Figure 3 , Figure 5 and Figure 6 , in one embodiment, the fan body 200 includes a housing 220, and the opening of the movement gap 210 is arranged on the housing 220. The housing 220 is provided with a first positioning part 230. The seam covering structure 100 is provided with a second positioning part 140. The second positioning part 140 is configured to be positioned and matched with the first positioning part 230 when the seam covering structure 100 shields the movement gap 210. In this way, by using the positioning and matching of the first positioning part 230 and the second positioning part 140, the seam covering structure 100 can be quickly and accurately installed at the opening of the movement gap 210, improving the convenience of installing the seam covering structure 100.

[0042] The first positioning part 230 can be arranged as a positioning column 231, a positioning protrusion, a positioning block or other positioning structure, and the second positioning part 140 can be correspondingly arranged as a positioning hole 141, a positioning groove, a positioning block or other positioning structure. The number of the first positioning part 230 and the second positioning part 140 can be flexibly adjusted according to actual needs.

[0043] As shown in Figure 5 and Figure 6 , optionally, the first positioning part 230 is arranged as a positioning column 231. The second positioning part 140 is arranged as a positioning hole 141. The number of the positioning column 231 and the number of the positioning hole 141 are both at least one. Each positioning hole 141 is arranged at the edge of the seam covering structure 100 and is correspondingly arranged with each positioning column 231. In this way, each positioning column 231 can limit the seam covering structure 100 through each positioning hole 141, avoiding the seam covering structure 100 from moving along the axis direction perpendicular to the positioning column 231 when it is installed at the opening of the movement gap 210, ensuring that the seam covering structure 100 can stably and reliably shield the movement gap 210, and improving the reliability of the fan range hood 1.

[0044] In the embodiment, the number of the positioning hole 141 is four, and the four positioning holes 141 are arranged at the four corners of the seam covering structure 100.

[0045] In other embodiments, the second positioning part 230 may also be configured as a positioning hole 141. The second positioning part 140 is correspondingly configured as a positioning post 231. The number of positioning posts 231 and the number of positioning holes 141 are both at least one, and each positioning post 231 is spaced apart at the edge of the gap-sealing structure 100 and is correspondingly configured with each positioning hole 141.

[0046] like Figure 3 As shown, in one embodiment, the drive mechanism 300 includes a drive member 310 and a transmission assembly that is driveably connected to the drive member 310. The transmission assembly passes through the clearance hole 110 and is driveably connected to the opening and closing panel 400. The fan body 200 also includes a mounting bracket 240 for mounting the drive member 310, and both the mounting bracket 240 and the slit structure 100 are located within the housing 220. The mounting bracket 240 is configured to press the slit structure 100 against the housing 220 when the slit structure 100 blocks the movement gap 210. In this way, the mounting bracket 240 can limit the slit structure 100, ensuring that after the slit structure 100 is installed at the opening of the movement gap 210, it will not move along the axial direction of the positioning post 231 due to friction with the transmission assembly, thus preventing the slit structure 100 from falling off the opening of the movement gap 210 and improving the reliability of the fan hood 1.

[0047] The mounting bracket 240 can be fixed inside the housing 220 by snap-fit, plug-in, screw-in or other means.

[0048] Specifically, in this embodiment, the movement gap 210 has an opening and a movement cavity. The opening is located on the front of the housing 220 and communicates with the front side of the movement cavity. The width of the opening is smaller than the width of the movement cavity. When the gap-sealing structure 100 is installed at the opening of the movement gap 210, the projection area of ​​the clearance hole 110 is located within the projection area of ​​the opening along the axial direction of the opening. The mounting bracket 240 is fixed inside the housing 220 and forms a movement cavity with the inner wall of the housing 220. Each positioning post 231 is located on the inner sidewall of the movement cavity near the opening.

[0049] In this specific embodiment, the driving component 310 is configured as a stepper motor with an output shaft. The stepper motor is mounted on the mounting bracket 240, and the output shaft extends into the motion cavity. The transmission component is configured as a linkage transmission structure, with one end of the linkage transmission structure being connected to the output end, and the other end passing through the clearance hole 110 and being connected to the opening and closing panel 400.

[0050] like Figure 3 , Figure 5 and Figure 6As shown, in one embodiment, the shell 220 comprises a front shell 221 and a rear shell 222. The opening of the movement gap 210 is arranged on the front shell 221, and the seam cover structure 100 is located in the front shell 221. The rear shell 222 is provided with a press-fit portion 223 for pressing the seam cover structure 100 on the front shell 221. In this way, the press-fit portion 223 can limit the seam cover structure 100, so that after the seam cover structure 100 is installed at the opening of the movement gap 210, it will not move along the axis direction of the positioning column 231 due to friction with the transmission assembly, avoiding the seam cover structure 100 from falling off the opening of the movement gap 210, and improving the reliability of the fan range hood 1.

[0051] Specifically, in the present embodiment, the front shell 221 and the rear shell 222 are connected as a whole, and when the seam cover structure 100 covers the movement gap 210, the press-fit portion 223 presses the seam cover structure 100 on the front shell 221.

[0052] Among them, the press-fit portion 223 can be arranged as a press-fit plate, a press-fit column or other press-fit structures. The number of press-fit portions 223 can be flexibly adjusted according to actual needs. The front shell 221 can be connected with the rear shell 222 as a whole by clamping, inserting, screwing or other detachable ways. Specifically, in the present embodiment, the press-fit portion 223 is integrally formed with the rear shell 222.

[0053] Specifically, in the present embodiment, along the axis direction of the positioning column 231, any two of the positioning column 231, the mounting bracket 240 and the press-fit portion 223 are arranged in a staggered manner to ensure that the three do not interfere with each other.

[0054] Specifically, in the present embodiment, the axis direction of the positioning column 231 is arranged as a front-rear direction. The movement gap 210 extends in an up-down direction. The two sides of the seam cover structure 100 along the left-right direction are respectively arranged as a first side and a second side. The front shell 221 and the rear shell 222 are connected as a whole, and when the seam cover structure 100 covers the movement gap 210, the mounting bracket 240 presses one of the first side and the second side on the front shell 221, and the press-fit portion 223 presses the other of the first side and the second side on the front shell 221. In this way, the seam cover structure 100 can be fixed by using the existing components of the fan module 10, without adding new parts and costs, improving the practicability of the fan range hood 1.

[0055] As Figure 2 and Figure 3As shown, in one embodiment, the fan body 200 is provided with a movement gap 210 on both left and right sides. The driving mechanism 300 and the seam cover structure 100 are both two. Two seam cover structures 100 are respectively installed at the openings of the two movement gaps 210 to correspond to cover the two movement gaps 210. Two driving mechanisms 300 respectively pass through the avoidance holes 110 of the two seam cover structures 100, and are both in driving connection with the opening and closing panel 400. In this way, the two driving mechanisms 300 can respectively exert driving force on the left and right ends of the opening and closing panel 400, and the stress on the opening and closing panel 400 is evenly distributed to ensure that the opening and closing panel 400 can be smoothly opened or closed, and the reliability of the fan range hood 1 is improved.

[0056] In the description of the present application, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0057] In addition, if these terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "multiple" appears, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0058] In the present application, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be broadly understood. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0059] In the present application, unless specifically defined otherwise, if there is a description of a first feature on or above or below a second feature, it can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be above or above or above the second feature, which can mean that the first feature is directly above or obliquely above the second feature, or only means that the first feature is horizontally higher than the second feature. The first feature can be below or below or below the second feature, which can mean that the first feature is directly below or obliquely below the second feature, or only means that the first feature is horizontally lower than the second feature.

[0060] It should be noted that if an element is referred to as being "fixed" or "set" on another element, it can be directly on the other element or there can be an intermediate element. If an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be an intermediate element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are for illustrative purposes only and do not represent the only implementation.

[0061] It should also be understood that when interpreting the connection relationship or position relationship of an element, although not explicitly described, the connection relationship and position relationship are interpreted to include an error range, which should be within an acceptable deviation range of a specific value determined by a person skilled in the art. For example, "about", "approximately" or "essentially" can mean within one or more standard deviations, without limitation.

[0062] The technical features of the above embodiments can be combined in any way. In order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, but as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application.

[0063] The above embodiments only express several implementation ways of the present application, which are described in detail and specifically, but should not be understood as a limitation on the patent scope of the application. It should be noted that for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A seam cover structure applied to a fan range hood (1), the fan range hood (1) comprising a fan body (200), a driving mechanism (300) and an opening and closing panel (400), the fan body (200) is provided with a movement gap (210) for movement of the driving mechanism (300), the driving mechanism (300) extends out of the fan body (200) and is in driving connection with the opening and closing panel (400), characterized in that, The seam covering structure (100) is provided with an avoiding hole (110) for the driving mechanism (300) to pass through, and the seam covering structure (100) is installed at the opening of the movement gap (210) to cover the movement gap (210).

2. The seam concealing structure of claim 1, wherein The seam covering structure (100) comprises a ring-shaped body (120) and elastic parts (130), the ring-shaped body (120) is installed at the opening of the movement gap (210), the number of the elastic parts (130) is at least one, and each elastic part (130) is arranged on the inner side wall of the ring-shaped body (120) in a spaced manner, so that the ring-shaped body (120) and each elastic part (130) form the avoiding hole (110).

3. The seam concealing structure of claim 2, wherein Each elastic part (130) is located on opposite sides of the ring-shaped body (120).

4. The seam concealing structure according to any one of claims 1 to 3, characterized in that, The seam covering structure (100) is provided as an elastic seam covering plate.

5. A range hood comprising: The fan body (200), the driving mechanism (300), the opening and closing panel (400), and the seam covering structure (100) according to any one of claims 1 to 4 are included, and the seam covering structure (100) is installed on the fan body (200).

6. The range hood according to claim 5, characterized in that, The fan body (200) comprises a housing (220), the opening of the movement gap (210) is arranged on the housing (220), the housing (220) is provided with a first positioning part (230), the seam covering structure (100) is provided with a second positioning part (140), and the second positioning part (140) is configured to be positioned and matched with the first positioning part (230) when the seam covering structure (100) covers the movement gap (210).

7. The range hood according to claim 6, characterized in that, The first positioning part (230) is provided as a positioning column (231), the second positioning part (140) is provided as a positioning hole (141), the number of the positioning columns (231) and the number of the positioning holes (141) are both at least one, each positioning hole (141) is arranged on the edge of the seam covering structure (100) in a spaced manner, and each positioning hole (141) is arranged correspondingly with each positioning column (231); Or, the first positioning part (230) is provided as a positioning hole (141), the second positioning part (140) is provided as a positioning column (231), the number of the positioning columns (231) and the number of the positioning holes (141) are both at least one, each positioning column (231) is arranged on the edge of the seam covering structure (100) in a spaced manner, and each positioning column (231) is arranged correspondingly with each positioning hole (141).

8. The range hood according to claim 6, characterized in that, The driving mechanism (300) comprises a driving member (310) and a transmission assembly in transmission connection with the driving member (310), the transmission assembly passes through the avoiding hole (110) and is in transmission connection with the opening and closing panel (400), the fan body (200) further comprises a mounting bracket (240) for mounting the driving member (310), the mounting bracket (240) and the seam covering structure (100) are both located in the shell (220), and the mounting bracket (240) is configured to press the seam covering structure (100) against the shell (220) when the seam covering structure (100) covers the movement gap (210).

9. The range hood according to claim 6, characterized in that, The shell (220) comprises a front shell (221) and a rear shell (222), the opening of the movement gap (210) is arranged on the front shell (221), and the seam covering structure (100) is located in the front shell (221); the rear shell (222) is provided with a pressing portion (223) for pressing the seam covering structure (100) against the front shell (221).

10. The range hood according to claim 6, characterized in that, Both sides of the fan body (200) are provided with movement gaps (210), the driving mechanism (300) and the seam covering structure (100) are both two, the two seam covering structures (100) are respectively arranged at the openings of the two movement gaps (210) to correspond to cover the two movement gaps (210), and the two driving mechanisms (300) respectively pass through the avoiding holes (110) of the two seam covering structures (100) and are both in transmission connection with the opening and closing panel (400).

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