Range hood

Abstract

The present application relates to the technical field of kitchen appliances, and specifically to a range hood. The range hood comprises: a housing, comprising a front side wall and a rear side wall arranged opposite to each other along a first direction, and forming a accommodating chamber; a smoke hood connected to one end of the housing, the smoke hood forming a smoke collecting chamber connected to the accommodating chamber, and a smoke inlet connected to the smoke collecting chamber formed on the side away from the housing; a partition provided in the smoke hood, at least for dividing the smoke collecting chamber into a first sub-chamber and a second sub-chamber arranged along the first direction, and the first sub-chamber is provided close to the rear side wall; a fan assembly provided in the accommodating chamber, and the air inlet of the fan assembly is provided towards the rear side wall, at least for driving the airflow from the area of ​​the smoke inlet close to the rear side wall directly into the first sub-chamber, and from the first sub-chamber into the accommodating chamber. The embodiment of the present application drives the airflow from the area of ​​the smoke inlet close to the rear side wall into the first sub-chamber and the accommodating chamber in sequence through the fan assembly, which can improve or avoid problems such as the airflow rushing towards the user.

Description

Technical Field

[0001] The present application relates to the technical field of kitchen appliances, and in particular to a range hood. Background Art

[0002] Due to the limitations of the structural design of existing range hoods, during operation, the airflow can easily escape the control of the negative pressure formed by the fan assembly and escape to the user side, causing the airflow to rush towards the user, resulting in a poor user experience. Summary of the Invention

[0003] In view of the above problems, the present application provides a range hood that can improve or avoid problems such as airflow rushing towards the user, thereby improving the user experience.

[0004] In order to solve the above technical problems, the technical solution adopted in this application is as follows:

[0005] The present application provides a range hood, the range hood comprising: a box body, comprising a front side wall and a rear side wall arranged opposite to each other along a first direction, and forming a accommodating chamber; a smoke collection hood connected to one end of the box body, the smoke collection hood forming a smoke collection chamber connected to the accommodating chamber, and a smoke inlet connected to the smoke collection chamber is formed on the side away from the box body; a partition plate is arranged in the smoke collection hood, at least for dividing the smoke collection chamber into a first sub-chamber and a second sub-chamber arranged along the first direction, and the first sub-chamber is arranged near the rear side wall; a fan assembly is arranged in the accommodating chamber, and the air inlet of the fan assembly is arranged toward the rear side wall, at least for driving the airflow to flow directly from the area of ​​the smoke inlet close to the rear side wall into the first sub-chamber, and then flow from the first sub-chamber into the accommodating chamber.

[0006] In some embodiments, one end of the partition is rotatably mounted on the fan assembly or the housing, and the other end of the partition extends toward the smoke inlet for adjusting the volumes of the first sub-cavity and the second sub-cavity.

[0007] In some embodiments, the box body also includes a first side wall and a second side wall arranged opposite to each other along the second direction, and the first side wall and the second side wall are respectively connected to the front side wall and the rear side wall to form a accommodating chamber; the range hood also includes a rotating shaft, which is extended along the third direction, and the rotating shaft is connected to the side of the partition close to the first side wall or the second side wall, wherein the rotating shaft is used to drive the partition to rotate clockwise or counterclockwise to reduce or increase the volume of the first sub-chamber, and the first direction, the second direction and the third direction are perpendicular to each other.

[0008] In some embodiments, the range hood further includes a rotating shaft extending along a second direction; wherein the rotating shaft is used to drive the partition to swing along a first direction to reduce or increase the volume of the first sub-chamber, and the second direction is perpendicular to the first direction.

[0009] In some embodiments, the range hood further includes: a filter assembly, disposed in the smoke collecting chamber, the projection of the filter assembly along the third direction back to the fan assembly covers at least a portion of the smoke inlet, and is inclined relative to the first direction, the angle between the extension line of the rear side wall toward the smoke collecting hood and the side of the filter assembly back to the box body is an acute angle, and the third direction is perpendicular to the first direction; an oil cup assembly, disposed in the smoke collecting chamber and connected to the side of the smoke collecting hood close to the front side wall, at least a portion of the filter assembly extends to the side of the oil cup assembly close to the box body.

[0010] In some embodiments, the oil cup assembly includes: a connecting portion connected to the smoke hood; a bottom portion connected to one end of the connecting portion facing away from the box body; a first guide portion connected to one end of the bottom portion facing away from the connecting portion to form an oil collecting trough, the first guide portion extends toward the filter assembly and is inclined in a direction away from the connecting portion, and the first guide portion is used to guide the airflow to the filter assembly.

[0011] In some embodiments, the oil cup assembly further includes a support, which is disposed on a side of the first drainage portion facing away from the connecting portion.

[0012] In some embodiments, an angle between a side of the first guide portion facing away from the connecting portion and the filter assembly is greater than or equal to 145° and less than 180°.

[0013] In some embodiments, the filter assembly includes a first filter screen and a second filter screen, the first filter screen and the second filter screen are opposite to each other and spaced apart, and the second filter screen is arranged relative to the first filter screen and close to the fan assembly.

[0014] In some embodiments, the range hood further includes a smoke exhaust assembly, which is disposed on a side of the housing away from the smoke hood and close to the front side wall. The smoke exhaust assembly is connected to the exhaust port of the ventilator assembly and the external environment.

[0015] Different from the prior art, the beneficial effects of the embodiments of the present application are as follows: the present application provides a range hood, the range hood including a box body, a smoke hood, a partition and a fan assembly, the box body including a front side wall and a rear side wall arranged opposite to each other along a first direction, and forming a accommodating cavity; the smoke hood is connected to one end of the box body, the smoke hood forms a smoke collecting cavity connected to the accommodating cavity, and a smoke inlet connected to the smoke collecting cavity is formed on the side away from the box body; the partition is arranged in the smoke hood, at least for dividing the smoke collecting cavity into a first sub-cavity and a second sub-cavity arranged along the first direction, and the first sub-cavity is arranged close to the rear side wall; the fan assembly is arranged in the accommodating cavity, and the air inlet of the fan assembly is arranged toward the rear side wall, at least for driving the airflow to flow directly from the area of ​​the smoke inlet close to the rear side wall into the first sub-cavity, and flow from the first sub-cavity into the accommodating cavity. By arranging a partition in the smoke collecting hood so that the partition divides the smoke collecting chamber into a first sub-chamber and a second sub-chamber arranged along a first direction, and the first sub-chamber is arranged close to the rear side wall, and the fan assembly is arranged in the accommodating chamber, and the air inlet of the fan assembly is arranged toward the rear side wall, the negative pressure area formed by the suction force of the fan assembly is closer to the rear side wall of the box body, so that the fan assembly can drive the airflow to flow directly from the area of ​​the smoke inlet close to the rear side wall into the first sub-chamber, and from the first sub-chamber into the accommodating chamber; and, by arranging the partition, the negative pressure in the second sub-chamber can be weakened, and the airflow in the second sub-chamber can be blocked from flowing toward the first sub-chamber, thereby reducing the air intake volume of the second sub-chamber, so that the airflow flows more directly into the first sub-chamber with stronger negative pressure, thereby reducing or avoiding the airflow escaping toward the user side, and then improving or avoiding problems such as the airflow rushing toward the user, which helps to enhance the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive work, among which:

[0017] Figure 1 This is a structural diagram of an embodiment of the range hood provided by the present application;

[0018] Figure 2 is a cross-sectional view of the range hood provided in this application from one perspective;

[0019] Figure 3 is a cross-sectional view of the range hood provided by the present application from another perspective;

[0020] Figure 4 This is a schematic diagram of an airflow isosurface simulation of a range hood provided in the present application and provided with a partition;

[0021] Figure 5This is a schematic diagram of the flow simulation of the airflow of the range hood provided by the present application with a partition;

[0022] Figure 6 This is a schematic diagram of the simulation of the airflow isosurface after the partition of the range hood is removed provided by the present application;

[0023] Figure 7 This is a schematic diagram of the airflow simulation after the partition of the range hood provided by the present application is removed;

[0024] Figure 8 is a bottom view of the range hood provided in this application;

[0025] Figure 9 This is a schematic structural diagram of the oil cup assembly of the range hood provided in this application;

[0026] Figure 10 It is a structural schematic diagram of another embodiment of the range hood provided in this application. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It will be understood that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some, rather than all, structures related to the present application are shown in the drawings. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying 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 specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0029] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, electrical connections, or mutual communication; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0030] In this application, 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.

[0031] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0032] Due to the limitations of the structural design of existing range hoods, during operation, the airflow can easily escape the control of the negative pressure formed by the fan assembly and escape to the user side, causing the airflow to rush towards the user, resulting in a poor user experience.

[0033] In order to solve the above problems, the present application provides a range hood 100. The range hood 100 can be a wall-mounted range hood, a side-suction range hood, or a built-in range hood, but is not limited thereto. Figures 1 to 3 , Figure 1 This is a structural diagram of an embodiment of the range hood provided by the present application; Figure 2 is a cross-sectional view of the range hood provided in this application from one perspective; Figure 3It is a cross-sectional view of the range hood provided in the present application from another perspective. The range hood 100 includes a housing 10, a smoke hood 20, a partition 30 and a fan assembly 40. The housing 10 includes a front side wall 11 and a rear side wall 12 arranged opposite to each other along a first direction XX, and forming a accommodating cavity 10a. The smoke hood 20 is connected to one end of the housing 10, and the smoke hood 20 forms a smoke collecting cavity 21 connected to the accommodating cavity 10a, and a smoke inlet 22 connected to the smoke collecting cavity 21 is formed on the side away from the housing 10. The partition 30 is arranged in the smoke hood 20, at least for dividing the smoke collecting cavity 21 into a first sub-cavity 211 and a second sub-cavity 212 arranged along the first direction XX, and the first sub-cavity 211 is arranged close to the rear side wall 12. The fan assembly 40 is arranged in the accommodating chamber 10a, and the air inlet 40a of the fan assembly 40 is arranged toward the rear side wall 12, at least for driving the airflow from the smoke inlet 22 close to the rear side wall 12 area directly into the first sub-chamber 211, and from the first sub-chamber 211 into the accommodating chamber 10a.

[0034] The front sidewall 11 and the rear sidewall 12 are located on opposite sides of the accommodating cavity 10a along the first direction XX. The front sidewall 11 is located on the side of the range hood 100 intended to be closer to the user, while the rear sidewall 12 is located on the side of the range hood 100 intended to be farther from the user. The rear sidewall 12 allows the range hood 100 to be installed in a pre-installation area, which can be located on a wall or on the back wall of a cabinet. The rear sidewall 12 can be attached to the pre-installation area using, but is not limited to, bolts, anchor bolts, a bracket, magnetic attachment, or a suction cup.

[0035] The smoke hood 20 can be connected to the end of the housing 10 near the cooking utensils. The smoke hood 20 defines a smoke collection chamber 21 and a smoke inlet 22 connected thereto. The smoke collection chamber 21 is connected to the accommodating chamber 10a of the housing 10, and the smoke inlet 22 is located at the end of the smoke collection chamber 21 away from the accommodating chamber 10a. The range hood 100 is designed to absorb cooking fumes, steam, hot air, and gas combustion products generated during cooking, but is not limited thereto. In this embodiment of the present application, fumes, steam, hot air, and gas combustion products are collectively referred to as airflow.

[0036] In some embodiments, the fume hood 20 and the housing 10 may be fixedly connected. The fixed connection methods include, but are not limited to, welding, bolting, snap-fitting, or magnetic connection. A seal (not shown) may be provided between the fume hood 20 and the housing 10 to enhance the connection strength and sealing between the fume hood 20 and the housing 10 and reduce or prevent airflow from escaping between the seal and the housing 10.

[0037] In some embodiments, the smoke hood 20 and the housing 10 may also be an integrally formed structure, which can improve the connection strength and sealing between the smoke hood 20 and the housing 10 .

[0038] A partition 30 is disposed within the smoke hood 20 and is a flat, plate-like structure. The plane on which the partition 30 lies can be perpendicular to the first direction XX, or intersect with the first direction XX, thereby dividing the smoke collection chamber 21 into a first sub-chamber 211 and a second sub-chamber 212 arranged along the first direction XX. The first sub-chamber 211 is positioned relative to the second sub-chamber 212, closer to the rear sidewall 12. The second sub-chamber 212 is positioned relative to the first sub-chamber 211, closer to the front sidewall 11. The fan assembly 40 is disposed within the accommodating chamber 10a, that is, on the side of the partition 30 facing away from the smoke inlet 22, with the air inlet 40a of the fan assembly 40 facing the rear sidewall 12.

[0039] See also Figures 4 to 7 , Figure 4 This is a schematic diagram of an airflow isosurface simulation of a range hood provided in the present application and provided with a partition; Figure 5 This is a schematic diagram of the flow simulation of the airflow of the range hood provided by the present application with a partition; Figure 6 This is a schematic diagram of the simulation of the airflow isosurface after the partition of the range hood is removed provided by the present application; Figure 7 This is a schematic diagram of the flow simulation of the airflow after the partition of the range hood provided by the present application is removed. Compared with the case where no partition 30 is provided between the second sub-cavity 212 and the first sub-cavity 211, a partition 30 is provided between the second sub-cavity 212 and the first sub-cavity 211. The partition 30 can weaken the suction of the fan assembly 40 on the second sub-cavity 212, blocking the airflow in the second sub-cavity 212 from flowing toward the first sub-cavity 211, so that the negative pressure in the second sub-cavity 212 is weakened, thereby reducing the air intake of the second sub-cavity 212, allowing more airflow to flow directly into the first sub-cavity 211 with a stronger negative pressure, so that the airflow is pulled back and sucked into the first sub-cavity 211, thereby reducing or preventing the airflow from escaping toward the user side, thereby reducing the impact of the airflow on the user. It can be seen that the provision of a partition 30 in the smoke collection chamber 21 can reduce or prevent the airflow from escaping toward the user side compared to not providing a partition 30.

[0040] By arranging the partition 30 in the smoke collecting hood 20, so that the partition 30 divides the smoke collecting chamber 21 into a first sub-chamber 211 and a second sub-chamber 212 arranged along the first direction XX, and the first sub-chamber 211 is arranged close to the rear side wall 12, and the fan assembly 40 is arranged in the accommodating chamber 10a, and the air inlet 40a of the fan assembly 40 is arranged toward the rear side wall 12, the negative pressure area formed by the suction force of the fan assembly 40 is closer to the rear side wall 12 of the box body 10, so that the fan assembly 40 can drive the airflow from the smoke inlet 22 close to the area of ​​the rear side wall 12 It flows directly into the first sub-cavity 211 and flows from the first sub-cavity 211 into the accommodating cavity 10a; and, by setting the partition 30, the negative pressure in the second sub-cavity 212 can be weakened, and the airflow in the second sub-cavity 212 can be blocked from flowing toward the first sub-cavity 211, thereby reducing the air intake of the second sub-cavity 212, so that the airflow flows more directly into the first sub-cavity 211 with a stronger negative pressure, thereby reducing or avoiding the airflow from escaping toward the user side, thereby improving the problem of the airflow rushing towards the user, and helping to enhance the user experience.

[0041] In some embodiments, please refer to Figure 2 The range hood 100 is formed with a main flow channel 100a and a secondary flow channel 100b. The path of the main flow channel 100a includes the area of ​​the smoke inlet 22 near the rear side wall 12, the first sub-cavity 211, and the area of ​​the accommodating chamber 10a near the rear side wall 12, which are sequentially arranged along the flow direction of the airflow. In some embodiments, the first sub-cavity 211 is connected to the accommodating chamber 10a, and the first sub-cavity 211 is isolated from the second sub-cavity 212. The path of the secondary flow channel 100b includes the area of ​​the smoke inlet 22 near the front side wall 11, the second sub-cavity 212, and the area of ​​the accommodating chamber 10a near the front side wall 11, which are sequentially arranged along the flow direction of the airflow. In particular, the airflow flowing into the area of ​​the accommodating chamber 10a near the front side wall 11 through the area of ​​the smoke inlet 22 near the front side wall 11 and the second sub-cavity 212 will flow toward the area of ​​the accommodating chamber 10a near the rear side wall 12 to merge into the main flow channel 100a. In other embodiments, the first sub-cavity 211 is not connected to the accommodating cavity 10a, and a gap may be formed between the partition 30 and the inner wall of the smoke hood 20 so that the first sub-cavity 211 is connected to the second sub-cavity 212. The path of the auxiliary flow channel 100b includes the area of ​​the smoke inlet 22 close to the front side wall 11 and the second sub-cavity 212 arranged in sequence along the flow direction of the airflow, wherein the airflow flowing into the second sub-cavity 212 through the area of ​​the smoke inlet 22 close to the front side wall 11 will flow toward the first sub-cavity 211 to merge into the main flow channel 100a.

[0042] During the operation of the range hood 100, driven by the fan assembly 40, most of the airflow flows along the main channel 100a, and a small part of the airflow flows along the auxiliary channel 100b. On the one hand, since the air inlet 40a of the fan assembly 40 is arranged toward the rear side wall 12, the flow path of the main channel 100a is shorter than that of the auxiliary channel 100b, and is more affected by the negative pressure formed by the fan assembly 40, so that most of the airflow is restricted to flow in the main channel 100a, which can reduce the airflow flow rate in the area of ​​the smoke inlet 22 close to the front side wall 11, not only can it reduce or avoid the risk of airflow escaping from the user side, but it can also improve the suction utilization rate of the fan assembly 40, reduce energy consumption, and reduce the flow resistance of the airflow, which helps to improve the smoking efficiency of the range hood 100; on the other hand, by forming the auxiliary channel 100b, the pressure of the main channel 100a can be relieved when the airflow is large, reducing the risk of airflow leakage.

[0043] In some embodiments, please refer to Figures 2 to 3 One end of the partition 30 is rotatably disposed on the fan assembly 40 or the box body 10, and the other end of the partition 30 extends toward the smoke inlet 22 for adjusting the volume of the first sub-cavity 211 and the second sub-cavity 212.

[0044] The partition 30 is rotatable relative to the fan assembly 40 or the housing 10 to simultaneously increase or decrease the volume of the first sub-chamber 211 and the second sub-chamber 212. Specifically, when the partition 30 increases the volume of the first sub-chamber 211, the volume of the second sub-chamber 212 decreases; when the partition 30 decreases the volume of the first sub-chamber 211, the volume of the second sub-chamber 212 increases.

[0045] In some embodiments, the partition 30 can be adjusted based on the amount of airflow on the side of the smoke hood 20 facing away from the housing 10 to adjust the volume of the first sub-chamber 211. When the amount of airflow on the side of the smoke hood 20 facing away from the housing 10 is large, the volume of the first sub-chamber 211 can be reduced by the partition 30. This can increase the flow rate of the airflow within the first sub-chamber 211, forming a low-pressure area within the first sub-chamber 211, and attracting more airflow to flow rapidly into the first sub-chamber 211 through the area near the rear sidewall 12 of the smoke inlet 22, thereby suppressing the airflow from escaping toward the user side or other areas. When the amount of airflow on the side of the smoke hood 20 facing away from the housing 10 is small, the volume of the first sub-chamber 211 can be increased by the partition 30 to slow the flow rate of the airflow within the first sub-chamber 211, thereby reducing the impact of the airflow on components such as the fan assembly 40 and the rear sidewall 12. This not only suppresses noise but also reduces the risk of damage to components such as the fan assembly 40 and the rear sidewall 12.

[0046] In some embodiments, the housing 10 further includes a first sidewall 13 and a second sidewall 14 disposed opposite each other along a second direction YY. The first sidewall 13 and the second sidewall 14 are respectively connected to the front sidewall 11 and the rear sidewall 12 to form a receiving chamber 10a. The range hood 100 further includes a rotation shaft (not shown) extending along a third direction ZZ and connected to a side of the partition 30 proximal to the first sidewall 13 or the second sidewall 14. The rotation shaft is configured to drive the partition 30 to rotate clockwise or counterclockwise to reduce or increase the volume of the first sub-chamber 211. The first direction XX, the second direction YY, and the third direction ZZ are mutually perpendicular.

[0047] The rotating shaft can drive the partition 30 to rotate counterclockwise or clockwise, thereby causing the partition 30 to rotate toward or away from the rear sidewall 12. For example, when the rotating shaft drives the partition 30 counterclockwise, the partition 30 rotates toward the rear sidewall 12; when the rotating shaft drives the partition 30 clockwise, the partition 30 rotates away from the rear sidewall 12. When the rotating shaft drives the partition 30 toward the rear sidewall 12, the volume of the first sub-cavity 211 decreases, while the volume of the second sub-cavity 212 increases; when the rotating shaft drives the partition 30 away from the rear sidewall 12, the volume of the first sub-cavity 211 increases, while the volume of the second sub-cavity 212 decreases.

[0048] The rotation direction of the partition 30 can be adjusted according to the amount of airflow. For example, when the airflow on the side of the smoke hood 20 away from the box body 10 is large, the partition 30 can be driven by the rotating shaft to rotate toward the rear side wall 12 to reduce the volume of the first sub-chamber 211, which can increase the flow rate of the airflow in the first sub-chamber 211, thereby achieving efficient absorption of the airflow and reducing the load of the fan assembly 40; when the airflow on the side of the smoke hood 20 away from the box body 10 is small, the partition 30 can be driven by the rotating shaft to rotate toward the direction away from the rear side wall 12 to slow down the flow rate of the airflow in the first sub-chamber 211, thereby alleviating the impact of the airflow on the fan assembly 40, the rear side wall 12 and other components.

[0049] In some embodiments, the rotating shaft is connected to a side of the partition 30 near one of the first sidewall 13 and the second sidewall 14. A first slide groove (not shown) is formed on a side of the housing 10 or the fan assembly 40 near the other of the first sidewall 13 and the second sidewall 14. The first slide groove can be arc-shaped. A first sliding member (not shown) is provided on the side of the partition 30 near the other of the first sidewall 13 and the second sidewall 14. The first sliding member is slidably disposed within the first slide groove. When the rotating shaft drives the partition 30 to rotate clockwise or counterclockwise, the first sliding member slides along the first slide groove. The first slide groove not only serves to secure the side of the partition 30 away from the rotating shaft, reducing the risk of the partition 30 falling off, but also serves to guide and limit the sliding of the first sliding member, thereby making the process of adjusting the volume of the first sub-cavity 211 and the second sub-cavity 212 more labor-saving and smooth.

[0050] In some embodiments, the range hood 100 further includes a rotating shaft extending along a second direction YY, wherein the rotating shaft is configured to drive the partition 30 to swing along the first direction XX to reduce or increase the volume of the first sub-chamber 211, and the second direction YY is perpendicular to the first direction XX.

[0051] The rotating shaft can be connected to one end of the partition 30 near the fan assembly 40. When the rotating shaft drives the partition 30 to swing along the first direction XX toward the rear sidewall 12, the volume of the first sub-chamber 211 decreases and the volume of the second sub-chamber 212 increases. When the rotating shaft drives the partition 30 to rotate along the first direction XX toward the rear sidewall 12, the volume of the first sub-chamber 211 increases and the volume of the second sub-chamber 212 decreases.

[0052] In some embodiments, the range hood 100 further includes a drive assembly (not shown) connected to the rotating shaft. The drive assembly is configured to drive the rotating shaft to rotate, thereby driving the partition 30 to rotate clockwise or counterclockwise, or to swing the partition 30 in the first direction XX, thereby rotating the partition 30 toward or away from the rear sidewall 12. The provision of the drive assembly can enhance the automation level of the range hood 100, thereby improving the user experience.

[0053] In some embodiments, a sliding assembly is provided on the side of the fan assembly 40 facing the fume hood 20. The sliding assembly is formed with a second sliding groove (not shown); the second sliding groove is formed directly on the side of the fan assembly 40 facing the fume hood 20. The second sliding groove extends along the first direction XX. A second sliding member (not shown) is provided at one end of the partition 30. The second sliding member is embedded in the second sliding groove and can slide along the second sliding groove. By sliding the second sliding member along the second sliding groove, the volume of the first sub-cavity 211 and the second sub-cavity 212 can be adjusted. Specifically, when the second sliding member slides along the first direction XX toward the rear side wall 12, the volume of the first sub-cavity 211 decreases and the volume of the second sub-cavity 212 increases. When the second sliding member slides along the first direction XX away from the rear side wall 12, the volume of the first sub-cavity 211 increases and the volume of the second sub-cavity 212 decreases. The second sliding member can be connected to a drive assembly so that it can slide along the second sliding groove under the action of the drive assembly. The cooperation between the second slide groove and the second sliding member not only serves to fix the partition 30, but also the second slide groove is used to guide and limit the sliding of the second sliding member, so that the process of adjusting the volume of the first sub-cavity 211 and the second sub-cavity 212 is more labor-saving and smooth.

[0054] Please continue reading Figures 2 to 3 , see also Figure 8 , Figure 8 It is a bottom view of the range hood provided in the present application. In some embodiments, the range hood 100 further includes a filter assembly 50, which is arranged in the smoke collecting chamber 21, and the projection of the filter assembly 50 along the second direction YY facing away from the fan assembly 40 covers at least a portion of the smoke inlet 22. The filter assembly 50 is used to filter the airflow flowing into the smoke collecting chamber 21, intercepting impurities such as liquids, grease, and tiny particles in the airflow, but is not limited thereto. The airflow after filtering does not contain impurities or has reduced impurities, which can reduce the deposition of impurities on components such as the fan assembly 40, the inner wall of the smoke hood 20, and the inner wall of the box 10. It can not only reduce or avoid the risk of friction loss or overheating of the fan assembly 40 caused by impurities deposited on the fan assembly 40, thereby extending the service life of the fan assembly 40, but also reduce or avoid the risk of the flow channel inside the smoke hood 20 and the box 10 being blocked by impurities, thereby improving the stability and reliability of the range hood 100.

[0055] The filter assembly 50 is tilted relative to the first direction XX, and the angle between the extension of the rear side wall 12 toward the smoke hood 20 and the side of the filter assembly 50 facing away from the housing 10 is acute. This arrangement ensures that the side of the smoke hood 20 near the front side wall 11 is lower than the side of the smoke hood 20 near the rear side wall 12. This allows the side of the smoke hood 20 near the front side wall 11 to block airflow from escaping toward the user, thereby further improving the user experience.

[0056] In some embodiments, the filter assembly 50 includes a first filter 51 and a second filter 52. The first filter 51 and the second filter 52 are spaced apart from each other, and the second filter 52 is positioned relative to the first filter 51 and closer to the fan assembly 40. The first filter 51 and the second filter 52 provide secondary filtration of the airflow, thereby improving the filtering effect of the filter assembly.

[0057] In some embodiments, the first filter 51 can be a coarse filter, and the second filter 52 can be a fine filter. The mesh of the second filter 52 is smaller than the mesh of the first filter 51. The first filter 51 is used to filter large particles of impurities, and the second filter 52 is used to filter tiny particles, thereby realizing layered filtration according to the size of the impurities, which can improve the filtration efficiency and filtration effect of the filter component 50.

[0058] In some embodiments, the first filter 51 may be a metal filter, and the second filter 52 may be an activated carbon filter. The metal filter can intercept visible impurities such as grease and dust in the fluid, while the activated carbon in the activated carbon filter has a porous structure that can absorb harmful gases and odors in cooking fumes. This allows the filter assembly 50 to filter out both visible impurities and invisible substances in cooking fumes, effectively improving the filtering effect of the filter assembly 50 and thereby further improving the kitchen environment. In other embodiments, the first filter 51 may be an electrostatic dust removal filter, and the second filter 52 may be an activated carbon filter. The electrostatic dust removal filter can absorb impurities such as grease and dust from the fluid through electrostatic adsorption. In combination with the activated carbon filter, the filtering effect of the filter assembly 50 can be improved.

[0059] In some embodiments, please refer to Figure 8 The filter assembly 50 further includes a frame 53, which is fixedly connected to the smoke hood 20. The frame 53 is formed with an installation opening 53a for installing the first filter 51 and the second filter 52. The frame 53 includes a second air guide 54, which is located in an area of ​​the frame 53 on the side facing away from the fan assembly 40, except for the side near the front side wall 11. For example, the second air guide 54 is located in an area on the side of the frame 53 facing away from the fan assembly 40 and on the same side as the rear side wall 12, the first side wall 13, and / or the second side wall 14.

[0060] The second guide portion 54 extends away from the smoke collection hood 20 and is inclined toward the first filter 51. The second guide portion 54 is used to guide airflow toward the first filter 51. The provision of the second guide portion 54 redirects airflow, forcing airflow that might otherwise escape toward the outer periphery of the frame 53 away from the first filter 51 to flow toward the first filter 51. This allows more airflow to be drawn into the smoke collection chamber 21, thereby improving the smoke collection effect of the range hood 100.

[0061] In some embodiments, a flow guiding space 50a is formed between the first filter 51 and the second filter 52. The range hood 100 further includes an air curtain mechanism 90 disposed within the smoke collection chamber 21 and located at one end of the smoke collection hood 20 near the front sidewall 11. An air outlet 91 of the air curtain mechanism 90 communicates with the flow guiding space 50a.

[0062] When the airflow is high or the air intake of the range hood 100 is low, airflow that is not promptly drawn away may escape toward the user, causing the airflow to directly hit the user, or directly rise to the area near the front side wall 11 of the accommodating chamber 10a, where it is less likely to be captured by the fan assembly 40 and leak into the room, causing air pollution. The embodiment of the present application utilizes the air curtain airflow formed by the wind blown by the air curtain mechanism 90 to promptly carry the airflow that rises or escapes toward the user side from the guide space 50a to the area near the rear side wall 12 of the smoke collection chamber 21.

[0063] Moreover, since the air outlet 91 of the wind curtain mechanism 90 is connected to the guide space 50a, the wind blown out from the air outlet 91 of the wind curtain mechanism 90 blows in the guide space 50a along the end of the smoke hood 20 close to the front side wall 11 toward the end of the smoke hood 20 close to the rear side wall 12, which can guide the airflow located at the end of the smoke hood 20 close to the front side wall 11 to gather toward the end of the smoke hood 20 close to the rear side wall 12, thereby reducing or avoiding the airflow escaping toward the user side, thereby improving or avoiding problems such as the airflow rushing towards the user, and helping to enhance the user experience.

[0064] In addition, the air outlet 91 of the air curtain mechanism 90 is arranged between the first filter 51 and the second filter 52. The air curtain airflow formed by the wind blown out by the air curtain mechanism 90 can condense the oil stains, and then intercept the oil stains on the first filter 51 and the second filter 52, thereby reducing the pollution of the oil stains to the inside of the range hood 100, and preventing the oil stains from dripping into the pot or the stove top.

[0065] Please also refer to Figure 9 , Figure 9 Schematic diagram of the oil cup assembly of the range hood provided herein. In some embodiments, the range hood 100 further includes an oil cup assembly 60. The oil cup assembly 60 is disposed within the smoke collection chamber 21 and is connected to the side of the smoke hood 20 near the front sidewall 11. At least a portion of the filter assembly 50 extends to the side of the oil cup assembly 60 near the housing 10.

[0066] By connecting the oil cup assembly 60 to the side of the fume hood 20 near the front side wall 11, the oil cup assembly 60 is easily installed and removed, thereby improving the installation and removal efficiency of the oil cup assembly 60. Furthermore, since the side of the fume hood 20 near the front side wall 11 is lower than the side of the fume hood 20 near the rear side wall 12, by connecting the oil cup assembly 60 to the side of the fume hood 20 near the front side wall 11 and extending at least a portion of the filter assembly 50 to the side of the oil cup assembly 60 near the housing 10, the liquid, grease, and other impurities intercepted by the filter assembly 50 can slide along the filter assembly 50 toward the side of the oil cup assembly 60 and drip into the oil cup assembly 60 under the action of gravity, so that the oil cup assembly 60 can collect more impurities, thereby improving or avoiding the problem of impurities dripping onto the stovetop, thereby improving the user experience.

[0067] In addition, by arranging the second guide portion 54 in other areas of the side of the frame 53 facing away from the fan assembly 40 except for the side close to the front side wall 11, the second guide portion 54 can be prevented from guiding liquid, grease and other impurities back to the first filter 51, thereby improving the collection effect and reliability of the oil cup assembly 60.

[0068] In some embodiments, the oil cup assembly 60 includes a connecting portion 61, a bottom portion 62, and a first guide portion 63. The connecting portion 61 is connected to the fume hood 20. The bottom portion 62 is connected to the end of the connecting portion 61 facing away from the housing 10. The first guide portion 63 is connected to the end of the bottom portion 62 facing away from the connecting portion 61 to form an oil collecting trough 60a. The first guide portion 63 extends toward the filter assembly 50 and is tilted away from the connecting portion 61. The first guide portion 63 is used to guide airflow to the filter assembly 50.

[0069] The first guide portion 63 is correspondingly disposed with the connecting portion 61 to form an oil collecting trough 60a therebetween. The oil collecting trough 60a is used to collect impurities such as liquids and grease. The connecting portion 61 can be detachably connected to the fume hood 20. The detachable connection between the connecting portion 61 and the fume hood 20 can be, but is not limited to, a slide connection, a bolt connection, a snap connection, a magnetic connection, a suction cup connection, a Velcro connection, or an adhesive connection.

[0070] By extending the first guide portion 63 toward the filter assembly 50 and tilting it away from the connecting portion 61, the first guide portion 63 can change the direction of the airflow, forcing the airflow that might originally escape toward the side close to the front side wall 11 to turn toward the filter assembly 50, thereby improving the smoke control effect of the range hood 100.

[0071] In some embodiments, the oil cup assembly 60 further includes a support 64 , which is disposed on a side of the first guide portion 63 facing away from the connecting portion 61 .

[0072] The support 64 may be an independent structure and may be fixedly connected to the first air guide portion 63 on a side facing away from the connecting portion 61. The support 64 may be fixedly connected to the first air guide portion 63 by, but is not limited to, bolt connection, snap connection, magnetic connection, suction cup connection, Velcro connection, or adhesive connection. Of course, the support 64 may also be integrally formed on the first air guide portion 63.

[0073] By arranging the support 64 on the side of the first guide portion 63 facing away from the connecting portion 61, when the oil cup assembly 60 is disassembled and placed on a certain supporting surface, the oil cup assembly 60 will not tip toward the side of the first guide portion 63, thereby preventing impurities loaded in the oil collecting tank 60a from tipping over, and improving the loading effect of the oil cup assembly 60.

[0074] In some embodiments, the angle between the side of the first guide portion 63 facing away from the connecting portion 61 and the filter assembly 50 is greater than or equal to 145° and less than 180°.

[0075] Among them, the angle between the side of the first guide portion 63 facing away from the connecting portion 61 and the filter assembly 50 can be 145°, 146.5°, 147°, 148.2°, 149.5°, 150°, 152°, 154.5°, 155°, 157.8°, 158.5°, 159.2°, 160°, 162.5°, 164°, 165°, 166.8°, 168°, 170°, 175°, etc., but is not limited to this and can be selected according to actual conditions.

[0076] Please also refer to Figure 10 , Figure 10 It is a structural schematic diagram of another embodiment of the range hood provided in the present application. In some embodiments, the fume hood 20 has a receiving groove 20a. The range hood 100 also includes a connecting assembly 80, at least a portion of which is disposed in the receiving groove 20a, and the connecting assembly 80 includes an elastic lock 81. The oil cup assembly 60 is connected to the connecting assembly 80 via the elastic lock 81. The elastic lock 81 is configured so that when the oil cup assembly 60 is assembled in the receiving groove 20a, the oil cup assembly 60 is locked to the connecting assembly 80 via the elastic lock 81, and the side of the oil cup assembly 60 close to the opening of the receiving groove 20a is flush with the end face of the front end of the fume hood 20. The elastic lock 81 is also configured to release the lock between the oil cup assembly 60 and the connecting assembly 80 when the oil cup assembly 60 is in a pressed state.

[0077] The oil cup assembly 60 is detachably arranged in the accommodating groove 20a through the connecting assembly 80. On the one hand, when the oil cup assembly 60 is assembled on the smoke hood 20, the side of the oil cup assembly 60 close to the opening of the accommodating groove 20a is flush with the end face of the smoke hood 20 away from the box body 10, so that the oil cup assembly 60 can be hidden and the impact of the oil cup assembly 60 on the aesthetics of the range hood 100 can be reduced; on the other hand, the setting of the elastic lock 81 can realize the simple assembly and extraction of the oil cup assembly 60. When it is necessary to pour out the impurities in the oil collecting tank 60a of the oil cup assembly 60 or clean the oil collecting tank 60a, the oil cup assembly 60 can be popped out by the elastic lock 81, which is convenient for the user to extract the oil cup assembly 60.

[0078] In some embodiments, the range hood 100 further includes a fixing block (not shown) disposed within the receiving groove 20a. One end of the elastic lock 81 is movably connected to the fixing block, and the other end of the elastic lock 81 abuts against the oil cup assembly 60 when the oil cup assembly 60 is pressed, providing a force for the oil cup assembly 60 to eject.

[0079] The elastic lock buckle 81 can be elastically retractable.

[0080] The fixed block is formed with a movable groove (not shown). When the oil cup assembly 60 is assembled in the accommodating groove 20a, the elastic lock 81 is compressed, and the elastic lock 81 is at least partially locked in the movable groove of the fixed block, and the end of the elastic lock 81 away from the movable groove abuts against the oil cup assembly 60.

[0081] When the oil cup assembly 60 is in a pressed state, the elastic lock buckle 81 will also be subjected to a pressing force transmitted through the oil cup assembly 60. The elastic lock buckle 81 recovers under the action of the pressing force, and at least part of the elastic lock buckle 81 pops outward from the movable groove of the fixed block to provide a force to the oil cup assembly 60 in the opposite direction of the pressing force, so that the lock between the oil cup assembly 60 and the connecting assembly 80 is released.

[0082] In some embodiments, the smoke hood 20 may include a front panel, a back panel, and side panels, one end of the side panel is connected to the front panel, and the other end of the side panel is connected to the back panel. The front panel, back panel, and side panels are arranged to form a smoke collection chamber 21. The entire range hood 100 can be hidden inside a cabinet, that is, the front panel, side panel, and back panel of the range hood 100 are all located and hidden inside the cabinet, and only the oil cup assembly 60 is retained on the outside to facilitate the user to remove the oil cup assembly 60 to pour out the waste oil. Optionally, the oil cup assembly 60 can also be made into a liftable type, and the entire range hood 100 (including the oil cup assembly 60) can be completely embedded in the cabinet. When the oil cup assembly 60 needs to be maintained, the oil cup assembly 60 can be lowered to improve the cleanliness of the kitchen.

[0083] In some embodiments, the fan assembly 40 includes a fan body 41 and a volute 42. The volute 42 extends along a first direction XX, with one end of the volute 42 connected to the front sidewall 11 and the other end spaced apart from the rear sidewall 12. The volute 42 can be a hollow cylindrical structure, and the fan body 41 is disposed within the volute 42. The fan body 41 includes a motor 411 and blades 412. The blades 412 are disposed on the side of the motor 411 facing the rear sidewall 12, so that the fan body 41 can drive airflow from the area of ​​the smoke inlet 22 near the rear sidewall 12 directly into the first sub-chamber 211, and from the first sub-chamber 211 into the accommodating chamber 10a.

[0084] In some embodiments, the exhaust port 40b of the fan assembly 40 is disposed on the top wall 15 of the housing 10, near the front sidewall 11. The range hood 100 further includes a smoke exhaust assembly 70. The smoke exhaust assembly 70 is disposed on a side of the housing 10 away from the fume hood 20, near the front sidewall 11. The smoke exhaust assembly 70 connects the exhaust port 40b of the fan assembly 40 to the external environment. The smoke exhaust assembly 70 is used to discharge the airflow drawn in by the fan assembly 40 to the external environment. The external environment may be outdoors.

[0085] The smoke exhaust assembly 70 includes a check valve 71 and a duct (not shown). One end of the duct is connected to the exhaust port 40b of the fan assembly 40, and the other end is connected to the external environment. The check valve 71 is located between the exhaust port 40b and the duct. When the fan assembly 40 stops operating, the check valve 71 closes the exhaust port 40b, preventing air from flowing back into the duct.

[0086] The above description is only an implementation method of the present application and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of this application, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A range hood, characterized in that: The range hood comprises: The box body includes a front side wall and a rear side wall arranged opposite to each other along a first direction and forming a receiving cavity; a smoke collecting hood connected to one end of the box body, the smoke collecting hood forming a smoke collecting cavity connected to the accommodating cavity, and a smoke inlet connected to the smoke collecting cavity formed on a side away from the box body; a partition disposed in the smoke collecting hood, at least for dividing the smoke collecting chamber into a first sub-chamber and a second sub-chamber arranged along the first direction, wherein the first sub-chamber is disposed close to the rear side wall; a fan assembly disposed in the accommodating chamber, with an air inlet of the fan assembly disposed toward the rear sidewall, and at least configured to drive airflow from an area of ​​the smoke inlet near the rear sidewall directly into the first sub-chamber, and from the first sub-chamber into the accommodating chamber, wherein the partition is configured to weaken the negative pressure in the second sub-chamber and to block airflow in the second sub-chamber from flowing toward the first sub-chamber, thereby reducing the amount of air intake into the second sub-chamber and allowing more airflow to flow directly into the first sub-chamber relative to the second sub-chamber; a filter assembly disposed in the smoke collecting chamber, wherein a projection of the filter assembly along a third direction facing away from the fan assembly covers at least a portion of the smoke inlet and is arranged obliquely relative to the first direction; an angle between an extension line of the rear side wall toward the smoke collecting hood and a side of the filter assembly facing away from the box body is formed at an acute angle, and the third direction is perpendicular to the first direction; The oil cup assembly is arranged in the smoke collecting chamber and connected to a side of the smoke collecting hood close to the front side wall. At least a portion of the filter assembly extends to a side of the oil cup assembly close to the box body.

2. The range hood according to claim 1, characterized in that: One end of the partition is rotatably provided on the fan assembly or the box body, and the other end of the partition extends toward the smoke inlet for adjusting the volume of the first sub-cavity and the second sub-cavity.

3. The range hood according to claim 2, characterized in that: The box body further includes a first side wall and a second side wall arranged opposite to each other along a second direction, wherein the first side wall and the second side wall are respectively connected to the front side wall and the rear side wall to form the accommodating cavity; The range hood also includes a rotating shaft, which extends along a third direction and is connected to a side of the partition close to the first side wall or the second side wall, wherein the rotating shaft is used to drive the partition to rotate clockwise or counterclockwise to reduce or increase the volume of the first sub-chamber, and the first direction, the second direction and the third direction are perpendicular to each other.

4. The range hood according to claim 2, characterized in that: The range hood further includes a rotating shaft, and the rotating shaft is extended along the second direction; The rotating shaft is used to drive the partition to swing along the first direction to reduce or increase the volume of the first sub-cavity, and the second direction is perpendicular to the first direction.

5. The range hood according to claim 1, characterized in that: The oil cup assembly includes: A connecting portion connected to the smoke collecting hood; a bottom portion connected to an end of the connecting portion facing away from the box body; A first guide portion is connected to one end of the bottom away from the connecting portion to form an oil collecting trough. The first guide portion extends toward the filter assembly and is inclined in a direction away from the connecting portion. The first guide portion is used to guide the airflow to the filter assembly.

6. The range hood according to claim 5, characterized in that: The oil cup assembly further includes a support, which is arranged on a side of the first guide portion facing away from the connecting portion.

7. The range hood according to claim 6, characterized in that: An included angle between the side of the first guide portion facing away from the connecting portion and the filter assembly is greater than or equal to 145° and less than 180°.

8. The range hood according to claim 1, characterized in that: The filter assembly includes a first filter screen and a second filter screen. The first filter screen and the second filter screen are opposite to each other and spaced apart. The second filter screen is arranged relative to the first filter screen and close to the fan assembly.

9. The range hood according to claim 1, characterized in that: The range hood further comprises a smoke exhaust assembly, which is arranged on a side of the box body away from the smoke collecting hood and close to the front side wall. The smoke exhaust assembly is connected to the exhaust port of the fan assembly and the external environment.

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