Guide plate assembly and range hood

Abstract

The utility model relates to the technical field of kitchen appliances, and discloses a guide plate assembly and a range hood, the guide plate assembly comprises a guide plate, the guide plate is provided with two end parts and two side parts, the two end parts are oppositely arranged in a first direction, and the two side parts are positioned between the two end parts; the two side parts are respectively provided with a first edge and a second edge which extend along the first direction, the first edges of the two side parts are propped against each other, and the second edges of the two side parts are spaced, so that an included angle is formed between the two side parts. The distance between the two end parts in the first direction is adjustable, and / or the included angle formed by the two side parts is adjustable. And the distance between the two end parts is adjustable, so that the guide plate assembly can be suitable for host shells with different sizes, the guide plate assembly can be prevented from interfering with the host shells on an installation path, and the installation is convenient. And the included angle formed by the two side parts can be adjusted, so that the flow guide plate assembly can adapt to different flue gas flows to adjust the opening degree, and the flue gas exhaust effect can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a guide plate assembly and a range hood. Background Art

[0002] V-shaped deflectors are commonly used in the air intake area of range hood main units. They can improve the impact of airflow on the duct volute, reduce energy loss, and improve the air performance of the range hood. During installation, the V-shaped deflector often contacts the main unit housing. However, the main unit housing has a concave or convex die structure during design and processing. This makes the V-shaped deflector easily interfere with the main unit housing during installation, making installation inconvenient. Furthermore, different main unit housing sizes require different V-shaped deflector lengths, requiring different production lines, which increases production costs.

[0003] Therefore, there is an urgent need for a guide plate assembly and a range hood to solve the above problems. Utility Model Content

[0004] One purpose of the present invention is to provide a deflector assembly that can be adapted to different host housings, is easy to install, and can also improve the smoke exhaust effect.

[0005] As conceived above, the technical solution adopted by the utility model is:

[0006] A deflector assembly is provided, comprising a deflector, the deflector having two ends and two side portions, the two ends being arranged opposite to each other in a first direction, the two side portions being located between the two ends, the two side portions each having a first edge and a second edge extending along the first direction, the first edges of the two side portions being in contact with each other, and the second edges of the two side portions being spaced apart so that the two side portions form an angle;

[0007] The distance between the two end portions in the first direction is adjustable, and / or the angle formed by the two side portions is adjustable.

[0008] Optionally, the guide plate includes a first plate group and a second plate group arranged opposite to each other in the first direction, and the first plate group and the second plate group partially overlap and slide abut against each other in the first direction.

[0009] Optionally, the first plate group has a first end and two first sides, the second plate group has a second end and two second sides, and the first side is in sliding contact with the second side so that the first end and the second end can approach or move away from each other in the first direction.

[0010] Optionally, the guide plate includes a first plate and a second plate, the first plate and the second plate are arranged opposite to each other in the second direction and the angle between them is adjustable to form the first plate group;

[0011] The guide plate further includes a third plate and a fourth plate, which are arranged opposite to each other in a second direction with an adjustable angle to form the second plate group, and the second direction is arranged at an angle to the first direction.

[0012] Optionally, the first plate, the second plate, the third plate and the fourth plate each include a first side plate and a second side plate arranged at an angle;

[0013] The first side plate of the first plate and the first side plate of the second plate at least partially overlap to form the first end portion, and the second side plate of the first plate and the second side plate of the second plate respectively form two first side portions;

[0014] The first side plate of the third plate and the first side plate of the fourth plate at least partially overlap to form the second end portion, and the second side plate of the third plate and the second side plate of the fourth plate respectively form two second side portions.

[0015] Optionally, the deflector assembly also includes a first fixed rod, a first connecting member and a second connecting member, the first fixed rod extends along the first direction and both ends pass through the two end portions; one end of the first connecting member is rotatably connected to the first fixed rod, and the other end is rotatably connected to the first side portion, and the length of the first connecting member is adjustable; one end of the second connecting member is rotatably connected to the first fixed rod, and the other end is rotatably connected to the second side portion, and the length of the second connecting member is adjustable.

[0016] Optionally, a first arc groove is provided on the first side plates of the first plate and the second plate, and the two first arc grooves at least partially overlap to form a first limiting arc groove; a second arc groove is provided on the first side plates of the third plate and the fourth plate, and the two second arc grooves at least partially overlap to form a second limiting arc groove; the first fixing rod slides through the first limiting arc groove and the second limiting arc groove.

[0017] Optionally, the deflector assembly further includes a second fixing rod, which extends along the first direction and has two ends passing through the two end portions, and the first side portion and the second side portion are both movably connected to the second fixing rod.

[0018] Optionally, a fixing portion is provided on the second side plates of the first plate, the second plate, the third plate and the fourth plate, and a fixing groove is provided on the fixing portion, the fixing groove extends along the first direction and is through-through at both ends, and the second fixing rod is passed through the fixing groove of the first plate, the second plate, the third plate and the fourth plate.

[0019] Optionally, the two first side portions form a first angle a, the two second side portions form a second angle b, and a>b; a first flange is provided on an edge of the first plate group, the first flange and the first side portion form a first limiting sliding groove extending along the first direction, the second side portion is inserted into the first limiting sliding groove, and the first limiting sliding groove is used to limit the second side portion to only slide relative to the first side portion along the first direction; or,

[0020] The two first side portions form a first angle a, and the two second side portions form a second angle b, where b>a; a second flange is provided on the edge of the second plate group, and the second flange and the second side portion form a second limiting groove extending along the first direction, and the first side portion is inserted into the second limiting groove, and the second limiting groove is used to limit the first side portion to only be able to slide relative to the second side portion along the first direction.

[0021] Another object of the present invention is to provide a range hood, the internal guide plate assembly of which can be adapted to different main body shells, is easy to install, and can also improve the smoke exhaust effect.

[0022] As conceived above, the technical solution adopted by the utility model is:

[0023] Provided is a range hood comprising a main housing, a fan and the above-mentioned deflector assembly, wherein the deflector assembly is arranged in the main housing and is signal-connected to the fan.

[0024] The beneficial effects of the utility model are:

[0025] The deflector assembly proposed by the present invention includes a deflector having two ends and two side portions, the two ends being arranged opposite to each other in a first direction, the two side portions being located between the two ends, the two side portions each having a first edge and a second edge extending along the first direction, the first edges of the two side portions being in contact with each other, and the second edges of the two side portions being spaced apart so that the two side portions form an angle. In addition, the spacing between the two ends in the first direction is adjustable, and / or the angle formed by the two side portions is adjustable. The deflector assembly can be installed in a main housing of a range hood, and after installation, the two ends of the deflector need to be in contact with two inner walls opposite to each other of the main housing. The spacing between the two ends of the deflector assembly is adjustable, which enables the deflector assembly to be suitable for main housings of different sizes. In the case where the main unit housing has a die or punch structure during design and processing, in order to avoid positional interference between the deflector assembly and the main unit housing during installation, the distance between the two ends can be reduced to allow the deflector assembly to pass through the die or punch structure first. Once the deflector assembly is in the installation position, the distance between the two ends can be increased to allow the two ends to abut against the inner wall of the main unit housing, facilitating installation. In addition, because the angle formed by the two side portions of the deflector assembly is adjustable, the angle between the two side portions can be adjusted to accommodate different range hood air inlets when the smoke flow rate of the range hood changes, thereby reducing smoke flow energy loss and improving smoke exhaust efficiency.

[0026] The range hood disclosed herein includes a main unit housing, a fan, and the aforementioned deflector assembly. The deflector assembly is disposed within the main unit housing and is signal-connected to the fan. The spacing between the two ends of the deflector assembly in a first direction is adjustable, allowing the deflector assembly to fit various main unit housings and facilitating installation. The angle formed by the two side portions of the deflector assembly is also adjustable, allowing the deflector assembly to adjust its opening according to the actual operating power of the fan and varying flue gas flow rates, thereby enhancing exhaust efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural diagram of a guide plate assembly provided by an embodiment of the present utility model;

[0028] Figure 2 This is a schematic structural diagram of the first plate assembly provided by an embodiment of the present utility model;

[0029] Figure 3 It is a structural schematic diagram of the second plate group provided by an embodiment of the present utility model;

[0030] Figure 4 This is a schematic structural diagram of the first plate provided in an embodiment of the present utility model;

[0031] Figure 5 yes Figure 4 Enlarged view of point A in the middle;

[0032] Figure 6 This is a schematic structural diagram of the second plate provided in an embodiment of the present utility model;

[0033] Figure 7 This is a schematic structural diagram of the third plate provided in an embodiment of the present utility model;

[0034] Figure 8 This is a schematic structural diagram of the fourth plate provided in an embodiment of the present utility model;

[0035] Figure 9 This is an assembly diagram of the deflector assembly and the host housing provided by an embodiment of the utility model.

[0036] In the picture:

[0037] 10. Guide plate; 101. First end portion; 1011. First limiting arc groove; 102. Second end portion; 1021. Second limiting arc groove; 103. First side portion; 104. Second side portion;

[0038] 1. First plate assembly; 11. First plate; 111. First side plate; 1111. First arc-shaped groove; 112. Second side plate; 1121. Fixing portion; 11211. Fixing groove; 113. First flange; 1131. First limiting sliding groove; 12. Second plate;

[0039] 2. Second plate group; 21. Third plate; 211. Second arc groove; 22. Fourth plate;

[0040] 20. First fixing rod; 30. Second fixing rod; 40. First connecting member; 50. Second connecting member;

[0041] 100. Deflector assembly; 200. Host housing. DETAILED DESCRIPTION

[0042] To make the technical problems solved, the technical solutions adopted, and the technical effects achieved by the present invention more clearly understood, the technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments. It should be understood that the specific embodiments described herein are merely intended to explain the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of it.

[0043] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0044] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0045] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0046] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0047] like Figures 1 to 9As shown, the present embodiment provides a deflector assembly 100, including a deflector 10, the deflector 10 having two ends and two side portions, the two ends being arranged opposite to each other in a first direction, the two side portions being located between the two ends, the two side portions each having a first edge and a second edge extending along the first direction, the first edges of the two side portions being in contact with each other, and the second edges of the two side portions being spaced apart so that the two side portions form an angle. In addition, the spacing between the two ends in the first direction is adjustable, and / or the angle formed by the two side portions is adjustable. In specific implementation, the deflector assembly 100 can be installed in the main housing 200 of the range hood, and after installation, the two ends of the deflector 10 need to be in contact with two opposite inner walls of the main housing 200. The spacing between the two ends of the deflector assembly 100 is adjustable, so that the deflector assembly 100 can be applied to main housings 200 of different sizes. In view of the fact that the main housing 200 has a die or a punch structure during design and processing, in order to avoid positional interference between the deflector assembly 100 and the main housing 200 during installation, the distance between the two ends can be reduced so that the deflector assembly 100 can first pass through the die or the punch structure. When the deflector assembly 100 is in the installation position, the distance between the two ends can be increased so that the two ends abut against the inner wall of the main housing 200, making installation easier. In addition, the angle formed by the two side portions of the deflector assembly 100 is adjustable. If the smoke flow rate of the range hood changes, the angle between the two sides can be adjusted to adapt to the air inlet conditions of different range hoods, reducing smoke flow energy loss and improving smoke exhaust efficiency.

[0048] In this embodiment, the guide plate 10 is a V-shaped structure, and the two side portions of the guide plate 10 are arranged opposite to each other in the second direction, and the second direction is perpendicular to the first direction. Figure 1 The ab direction in the second direction is Figure 1 cd direction in .

[0049] Optionally, the guide plate 10 includes a first plate group 1 and a second plate group 2 arranged opposite to each other in the first direction, and the first plate group 1 and the second plate group 2 partially overlap and slide abut against each other in the first direction, thereby forming two ends of the guide plate 10 with adjustable spacing in the first direction, and when the spacing between the two ends is reduced, that is, the overlapping area of the first plate group 1 and the second plate group 2 increases, the length of the two side portions in the first direction is also reduced accordingly.

[0050] Alternatively, as Figure 2 and Figure 3As shown, the first plate group 1 has a first end 101 and two first side portions 103, and the second plate group 2 has a second end 102 and two second side portions 104. By arranging the first and second plate groups 101 and 2 relative to each other in a first direction, and with the first side portions 103 and second side portions 104 slidingly abutting against each other, one first side portion 103 of the first plate group 1 and one second side portion 104 of the second plate group 2 can form one side portion of the guide plate 10, while the other first side portion 103 of the first plate group 1 and the other second side portion 104 of the second plate group 2 form the other side portion of the guide plate 10, with the first end 101 and the second end 102 respectively forming the two ends of the guide plate 10. When the first side portion 103 slides relative to the second side portion 104, the spacing between the first end 101 and the second end 102 in the first direction can be changed, that is, the first end 101 and the second end 102 can be moved closer to or further away from each other. In this embodiment, both the first and second plate groups 1 and 2 have a V-shaped structure.

[0051] Alternatively, as Figures 4 to 8 As shown, the guide plate 10 includes a first plate 11 and a second plate 12, which are arranged relative to each other in the second direction and at an adjustable angle to form a first plate group 1. The guide plate 10 also includes a third plate 21 and a fourth plate 22, which are arranged relative to each other in the second direction and at an adjustable angle to form a second plate group 2, with the second direction being arranged at an angle to the first direction. That is, in this embodiment, to adjust the angle formed by the two first side portions 103 of the first plate group 1, the relative positions of the first plate 11 and the second plate 12 in the second direction can be adjusted. Similarly, to adjust the angle formed by the two second side portions 104 of the second plate group 2, the relative positions of the third plate 21 and the fourth plate 22 in the second direction can be adjusted.

[0052] Optionally, the first plate 11, the second plate 12, the third plate 21, and the fourth plate 22 each include a first side plate 111 and a second side plate 112 arranged at an angle. When forming the first plate group 1, the first plate 11 and the second plate 12 can be arranged relative to each other in the second direction, so that the first side plate 111 of the first plate 11 and the first side plate 111 of the second plate 12 at least partially overlap in the first direction to form a first end 101, and the second side plate 112 of the first plate 11 and the second side plate 112 of the second plate 12 respectively form two first side portions 103. In this embodiment, the first plate 11 and the second plate 12 are both L-shaped structures, and the first plate group 1 is a V-shaped structure. When the first plate 11 and the second plate 12 are rotated so that the ends of the two first side portions 103 that are not in contact, i.e., the second edges, approach each other, the first angle a formed by the two first side portions 103 of the first plate group 1 will become smaller. When the first plate 11 and the second plate 12 are rotated to move the non-contacting ends of the two first side portions 103 , ie, the second edges, away from each other, the first angle a formed by the two first side portions 103 of the first plate assembly 1 will increase.

[0053] When forming the second plate assembly 2, the third plate 21 and the fourth plate 22 can be positioned relative to each other in the second direction, such that the first side plate 111 of the third plate 21 and the first side plate 111 of the fourth plate 22 at least partially overlap in the first direction to form a second end portion 102, while the second side plate 112 of the third plate 21 and the second side plate 112 of the fourth plate 22 respectively form two second side portions 104. In this embodiment, the third plate 21 and the fourth plate 22 are both L-shaped, and the second plate assembly 2 is V-shaped. When the third plate 21 and the fourth plate 22 are rotated so that the non-contacting ends of the two second side portions 104, i.e., the second edges, approach each other, the second angle b formed by the two second side portions 104 of the second plate assembly 2 decreases. When the third plate 21 and the fourth plate 22 are rotated so that the non-contacting ends of the two second side portions 104, i.e., the second edges, move away from each other, the second angle b formed by the two second side portions 104 of the second plate assembly 2 increases. The first side portion 103 and the second side portion 104 are in sliding contact, that is, the angle difference between the first angle a and the second angle b is small, so that the first side portion 103 of the first plate group 1 can be located outside the second plate group 2 and contact the second plate group 2, or the second side portion 104 of the second plate group 2 can be located outside the first plate group 1 and contact the first plate group 1.

[0054] In other embodiments, the first plate group 1 may also include three plates, namely, a first plate, a second plate, and a third plate, wherein the first plate and the second plate are arranged relative to each other in the second direction, and the third plate is located at the ends of the first and second plates in the first direction, that is, the first plate and the second plate serve as two first side portions 103, and the third plate serves as the first end portion 101. When the relative position of the first and second plates in the second direction changes, the position at which the ends of the first and second plates abut against the third plate changes. Similarly, the second plate group 2 also includes three plates, namely, a fourth plate, a fifth plate, and a sixth plate, wherein the fourth and fifth plates are arranged relative to each other in the second direction, and the sixth plate is located at the ends of the fourth and fifth plates in the first direction, that is, the fourth and fifth plates serve as two second side portions 104, and the sixth plate serves as the second end portion 102. When the relative position of the fourth and fifth plates in the second direction changes, the position at which the ends of the fourth and fifth plates abut against the sixth plate changes.

[0055] Optionally, the deflector assembly 100 further includes a first fixing rod 20 extending in a first direction, with both ends of the first fixing rod 20 passing through the two end portions. When the deflector assembly 100 is installed within the main housing 200 of the range hood, the ends of the first fixing rod 20 are respectively connected to two inner walls of the main housing 200, which are opposite each other in the first direction. The deflector assembly 100 further includes a first connecting member 40 and a second connecting member 50. One end of the first connecting member 40 is rotatably connected to the first fixing rod 20, and the other end is rotatably connected to the first side portion 103. The length of the first connecting member 40 is adjustable. When the length of the first connecting member 40 is increased, the first angle a formed by the two first side portions 103 of the first plate assembly 1 increases. One end of the second connecting member 50 is rotatably connected to the first fixing rod 20, and the other end is rotatably connected to the second side portion 104. The length of the second connecting member 50 is adjustable. When the length of the second connecting member 50 is extended, the second angle b formed by the two second side portions 104 of the second plate group 2 increases.

[0056] In this embodiment, both the first connector 40 and the second connector 50 are push rod motors that convert the rotational motion of an electric motor into linear reciprocating motion of a push rod. In practice, both the push rod motor and the fan can be connected to the range hood controller's signal signal, allowing the controller to automatically adjust the lengths of the first and second connectors 40 and 50 based on the flue gas flow rate at the range hood's air inlet.

[0057] Optionally, first arcuate grooves 1111 are provided on the first side panels 111 of the first and second panels 111, and when the first side panels 111 of the first and second panels 111 partially overlap to form the first end 101, the two first arcuate grooves 1111 at least partially overlap in the first direction to form the first limiting arcuate groove 1011. Second arcuate grooves 211 are provided on the first side panels 111 of the third and fourth panels 21, and when the first side panels 111 of the third and fourth panels 21, 22 partially overlap to form the second end 102, the two second arcuate grooves 211 at least partially overlap in the first direction to form the second limiting arcuate groove 1021. The first fixing rod 20 slides through the first and second limiting arcuate grooves 1011 and 1021, so that the deflector 10 can be connected to the main housing 200 via the first fixing rod 20. As the first plate 11 and the second plate 12 rotate, the non-contacting ends of the two first side portions 103 approach each other, and the third plate 21 and the fourth plate 22 rotate, the non-contacting ends of the two second side portions 104 approach each other, the first and second limiting arcuate grooves 1011 and 1021 not only change in size but also change in position relative to the first fixing rod 20. Since the first fixing rod 20 and the main body housing 200 are fixedly connected, the deflector plate 10 rotates relative to the main body housing 200 to adjust the angle between the two side portions of the deflector plate 10.

[0058] Optionally, the deflector assembly 100 further includes a second fixing rod 30 extending in the first direction, with both ends of the second fixing rod 30 passing through the two end portions. When the deflector assembly 100 is installed within the main housing 200 of the range hood, the two ends of the first fixing rod 20 are respectively connected to two opposing inner walls of the main housing 200 of the range hood. The first side portion 103 and the second side portion 104 are both rotatably sleeved onto the second fixing rod 30, ensuring that the abutting ends of the first side portion 103 and the second side portion 104 of the deflector 10 remain in contact during rotation.

[0059] Specifically, if Figures 4 to 8As shown, a fixing portion 1121 is provided on the second side plate 112 of the first plate 11, the second plate 12, the third plate 21 and the fourth plate 22, and a fixing groove 11211 is provided on the fixing portion 1121. The fixing groove 11211 extends along the first direction and is through-connected at both ends. The second fixing rod 30 is passed through the fixing groove 11211 of the first plate 11, the second plate 12, the third plate 21 and the fourth plate 22. Since the fixing grooves 11211 on the first plate 11, the second plate 12, the third plate 21 and the fourth plate 22 all extend in the first direction, in order to avoid positional interference between the fixing parts 1121, the fixing parts 1121 of the first plate 11, the fixing parts 1121 of the second plate 12, the fixing parts 1121 of the third plate 21 and the fixing parts 1121 of the fourth plate 22 are staggered, and the fixing parts 1121 of the first plate group 1 and the fixing parts 1121 of the second plate group 2 have a distance to avoid interference when the first plate group 1 and the second plate group 2 move relative to each other in the first direction.

[0060] Furthermore, a first flange 113 is provided on the edge of the first plate assembly 1. The first flange 113 and the first side portion 103 form a first limiting groove 1131 extending along the first direction. The second side portion 104 is inserted into the first limiting groove 1131. That is, the two first side portions 103 form a first angle a, and the two second side portions 104 form a second angle b, where a>b. In addition, when the second side portion 104 is inserted into the first limiting groove 1131, the first limiting groove 1131 will restrict the second side portion 104 from sliding only in the first direction. That is, if the first side portion 103 or the second side portion 104 moves in a direction other than the first direction, the second side portion 104 and the first side portion 103 will move synchronously.

[0061] On this basis, in this embodiment, one first connecting member 40 and one second connecting member 50 can be provided, thereby simplifying the structure of the guide plate assembly 100. Figure 1 As shown, the first plate 11 and the third plate 21 are arranged relative to each other in the first direction, and the second plate 12 and the fourth plate 22 are arranged relative to each other in the first direction. A first flange 113 is provided on each of the first plate 11 and the second plate 12. A first limiting groove 1131 is formed on each of the first plate 11 and the second plate 12. The first plate 11 and the third plate 21 are connected by the first limiting groove 1131, and the second plate 12 and the fourth plate 22 are connected by the first limiting groove 1131. The two ends of the first connecting member 40 are respectively connected to the second plate 12 and the first fixing rod 20. When the first connecting member 40 is extended, the second plate 12 moves relative to the first fixing rod 20 and drives the fourth plate 22 to move synchronously. The two ends of the second connecting member 50 are respectively connected to the third plate 21 and the first fixing rod 20. When the second connecting member 50 is extended, the third plate 21 moves relative to the first fixing rod 20 and drives the first plate 11 to rotate synchronously.

[0062] In other embodiments, two first connectors 40 may be provided, i.e., one first connector 40 connecting the first plate 11 and the first fixing rod 20, and another first connector 40 connecting the second plate 12 and the first fixing rod 20. Two second connectors 50 may be provided, i.e., one second connector 50 connecting the third plate 21 and the first fixing rod 20, and another second connector 50 connecting the fourth plate 22 and the first fixing rod 20.

[0063] Optionally, the two first side portions 103 form a first angle a, and the two second side portions 104 form a second angle b, where b>a. A second flange is provided on the edge of the second plate group 2. The second flange and the second side portion 104 form a second limiting groove extending in the first direction. The first side portion 103 is inserted into the second limiting groove, and the second limiting groove is used to restrict the first side portion 103 from sliding only in the first direction. Specifically, in a specific implementation, if a second flange is provided on both the third plate 21 and the fourth plate 22, then a second limiting groove is formed on both the third plate 21 and the fourth plate 22. The first plate 11 and the third plate 21 are connected by the second limiting groove, and the second plate 12 and the fourth plate 22 are connected by the second limiting groove. In a specific implementation, whether the first plate group 1 is inserted into the second limiting groove of the second plate group 2 or the second plate group 2 is inserted into the first limiting groove 1131 of the first plate group 1, synchronous movement of the first plate group 1 and the second plate group 2 in a non-first direction is ensured.

[0064] like Figure 9 As shown, this embodiment provides a range hood comprising a main housing 200, a fan, and the aforementioned deflector assembly 100. The deflector assembly 100 is disposed within the main housing 200 and is signal-connected to the fan. The spacing between the two ends of the deflector assembly 100 in a first direction is adjustable, allowing the deflector assembly 100 to adapt to different main housings 200, facilitating installation. The angle formed by the two side portions of the deflector assembly 100 is adjustable, allowing the deflector assembly 100 to adjust its opening according to the actual operating power of the fan and to adapt to different flue gas flow rates, thereby improving the smoke exhaust effect.

[0065] The above embodiments merely illustrate the basic principles and features of the present invention. The present invention is not limited to the above embodiments. Various changes and modifications are possible without departing from the spirit and scope of the present invention. Such changes and modifications are within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A guide plate assembly, characterized in that: The guide plate (10) comprises two end portions and two side portions, the two end portions are arranged opposite to each other in a first direction, the two side portions are located between the two end portions, the two side portions each have a first edge and a second edge extending along the first direction, the first edges of the two side portions abut against each other, and the second edges of the two side portions are spaced apart so that the two side portions form an angle; The distance between the two end portions in the first direction is adjustable, and / or the angle formed by the two side portions is adjustable.

2. The deflector assembly according to claim 1, characterized in that: The guide plate (10) comprises a first plate group (1) and a second plate group (2) arranged opposite to each other in the first direction; the first plate group (1) and the second plate group (2) partially overlap and slide in contact with each other in the first direction.

3. The deflector assembly according to claim 2, characterized in that: The first plate group (1) has a first end (101) and two first side portions (103), and the second plate group (2) has a second end (102) and two second side portions (104), and the first side portion (103) and the second side portion (104) are in sliding contact with each other so that the first end portion (101) and the second end portion (102) can approach or move away from each other in the first direction.

4. The deflector assembly according to claim 3, characterized in that: The guide plate (10) comprises a first plate (11) and a second plate (12), wherein the first plate (11) and the second plate (12) are arranged relative to each other in a second direction and the angle between them is adjustable, so as to form the first plate group (1); The guide plate (10) further comprises a third plate (21) and a fourth plate (22), wherein the third plate (21) and the fourth plate (22) are arranged relative to each other in a second direction and the angle between the third plate and the fourth plate (22) is adjustable to form the second plate group (2), wherein the second direction is arranged at an angle to the first direction.

5. The deflector assembly according to claim 4, characterized in that: The first plate (11), the second plate (12), the third plate (21) and the fourth plate (22) all include a first side plate (111) and a second side plate (112) arranged at an angle; The first side plate (111) of the first plate (11) and the first side plate (111) of the second plate (12) at least partially overlap to form the first end portion (101), and the second side plate (112) of the first plate (11) and the second side plate (112) of the second plate (12) respectively form two first side portions (103); The first side plate (111) of the third plate (21) and the first side plate (111) of the fourth plate (22) at least partially overlap to form the second end portion (102), and the second side plate (112) of the third plate (21) and the second side plate (112) of the fourth plate (22) respectively form two second side portions (104).

6. The deflector assembly according to claim 4, characterized in that: The deflector assembly (100) further comprises a first fixing rod (20), a first connecting member (40) and a second connecting member (50), wherein the first fixing rod (20) extends along the first direction and has two ends passing through the two end portions; one end of the first connecting member (40) is rotatably connected to the first fixing rod (20), and the other end is rotatably connected to the first side portion (103), and the length of the first connecting member (40) is adjustable; one end of the second connecting member (50) is rotatably connected to the first fixing rod (20), and the other end is rotatably connected to the second side portion (104), and the length of the second connecting member (50) is adjustable.

7. The deflector assembly according to claim 6, characterized in that: A first arc groove (1111) is provided on the first side plate (111) of the first plate (11) and the second plate (12), and the two first arc grooves (1111) at least partially overlap to form a first limiting arc groove (1011); a second arc groove (211) is provided on the first side plate (111) of the third plate (21) and the fourth plate (22), and the two second arc grooves (211) at least partially overlap to form a second limiting arc groove (1021); the first fixing rod (20) is slidably inserted into the first limiting arc groove (1011) and the second limiting arc groove (1021).

8. The deflector assembly according to claim 4, characterized in that: The deflector assembly (100) further includes a second fixing rod (30), the second fixing rod (30) extending along the first direction and having both ends passing through the two end portions, and the first side portion (103) and the second side portion (104) are both movably connected to the second fixing rod (30).

9. The deflector assembly according to claim 8, characterized in that: A fixing portion (1121) is provided on the second side plates (112) of the first plate (11), the second plate (12), the third plate (21) and the fourth plate (22), and a fixing groove (11211) is provided on the fixing portion (1121), the fixing groove (11211) extends along the first direction and is through-connected at both ends, and the second fixing rod (30) is passed through the fixing groove (11211) of the first plate (11), the second plate (12), the third plate (21) and the fourth plate (22).

10. The deflector assembly according to any one of claims 3 to 9, characterized in that: The two first side portions (103) form a first angle a, and the two second side portions (104) form a second angle b, where a>b; a first flange (113) is provided on the edge of the first plate group (1), the first flange (113) and the first side portion (103) form a first limiting sliding groove (1131) extending along the first direction, the second side portion (104) is inserted into the first limiting sliding groove (1131), and the first limiting sliding groove (1131) is used to limit the second side portion (104) to only be able to slide relative to the first side portion (103) along the first direction; or, The two first side portions (103) form a first angle a, and the two second side portions (104) form a second angle b, where b>a; a second flange is provided on the edge of the second plate group (2), and the second flange and the second side portion (104) form a second limiting sliding groove extending along the first direction, and the first side portion (103) is inserted into the second limiting sliding groove, and the second limiting sliding groove is used to limit the first side portion (103) to only be able to slide relative to the second side portion (104) along the first direction.

11. A range hood, characterized in that: The invention comprises a main engine housing (200), a fan and a deflector assembly (100) according to any one of claims 1 to 10, wherein the deflector assembly (100) is arranged in the main engine housing (200) and is connected to the fan signal.

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