CN221005166U

CN221005166U - Switch inlet scoop subassembly and have its range hood

Info

Publication number: CN221005166U
Application number: CN202322488161.7U
Authority: CN
Inventors: 任勇; 冯君; 岑振宙
Original assignee: Guangdong Chengyi Technology Co ltd
Current assignee: Guangdong Chengyi Technology Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-05-24
Anticipated expiration: 2033-09-13

Abstract

The utility model discloses a switch air suction port assembly and a range hood with the same, wherein the switch air suction port assembly comprises a panel, an air collecting box, an air door plate and a driving device, the air collecting box is connected with an air suction port on the panel, and a guide rail is arranged in the air collecting box; the air door plate is in sliding connection with the guide rail, a shielding and blocking surface and an air guide opening are arranged on the air door plate, the air door plate is provided with a first position and a second position on the guide rail, and the shielding and blocking surface shields the air suction opening when in the first position; when the air guide opening is at the second position, the air guide opening corresponds to the air suction inlet; the driving device drives the air door plate to move between a first position and a second position; compared with the prior art, the switch air suction port assembly has the advantages that when the range hood is shut down, the air door plate closes the air suction port, so that external dust can be reduced from entering the air collecting box, dirt attached to the inner wall surface of the panel, the inner wall surface of the air collecting box and the shell of the smoke exhaust fan is reduced, and the range hood is easy to clean when the range hood is cleaned.

Description

Switch inlet scoop subassembly and have its range hood

Technical Field

The utility model relates to the technical field of range hoods, in particular to a switch air suction inlet assembly and a range hood with the same.

Background

The kitchen appliance can quickly suck the waste burnt by the kitchen range and the oil smoke generated in the cooking process and discharge the oil smoke outdoors, thereby reducing pollution and purifying air. When the range hood works, air flow formed by oil smoke flows to the air suction inlet on the panel of the range hood under the action of the smoke exhaust fan, enters the air collection box connected with the air suction inlet through the air suction inlet on the panel, and is finally exhausted from the smoke exhaust air duct under the action of the smoke exhaust fan in the air collection box. After the range hood works for a long time, the mixture of oil and water in the oil smoke can adhere and accumulate on the inner cavity wall surface of the air collecting box of the range hood, and when dust in the external air enters the air collecting box through the air suction inlet on the panel, the dust and the mixture of the oil and the water on the inner cavity wall surface of the air collecting box are mixed together to form dirt attached to the inner cavity wall surface of the air collecting box and the shell of the smoke exhaust fan. The dirt viscosity that oil, water and dust formed is great, adheres to on the inner chamber wall of collection bellows and exhaust fan on, hardly from the inner chamber wall of collection bellows and exhaust fan's casing whereabouts, when dirt accumulation volume is more, can influence the purifying effect of range hood, and the user need dismantle the range hood just can thoroughly clear away the dirt to these dirt also are difficult to clear up when wasing the range hood.

Disclosure of utility model

The utility model aims to provide a switch air suction port assembly and a range hood with the same, which are used for solving the technical problems.

A switch inlet scoop assembly for a range hood, comprising:

a panel on which an air suction port is provided;

the air collecting box is connected with the air suction inlet, a guide rail is arranged in the air collecting box, and the guide rail is arranged along the inner wall surface of the panel;

The air door plate is arranged in the air collecting box and is in sliding connection with the guide rail, a shielding and blocking surface and an air guide opening are arranged on the air door plate, the air door plate is provided with a first position and a second position on the guide rail, and the shielding and blocking surface shields the air suction opening in the first position; when in the second position, the air guide opening corresponds to the air suction opening and is used for sucking air;

And the driving device drives the air door plate to move between the first position and the second position.

According to one embodiment of the utility model, the shielding surface is provided with a bulge part protruding towards the direction of the air suction inlet, the bulge part is matched with the air suction inlet, and when the air door plate is at the first position, the bulge part stretches into the air suction inlet, and the top surface of the bulge part is flush with the outer side surface of the panel.

According to one embodiment of the utility model, the guide rail comprises a first straight section, a second straight section and an inclined section connecting the first straight section and the second straight section, wherein the second straight section is close to the inner wall surface of the panel, when the air door plate slides from the first straight Duan Jing inclined section to the second straight section, the air door plate enters the first position from the second position, and the bulge part extends out of the air suction opening.

According to one embodiment of the utility model, the side wall of the air suction port is provided with an inclined surface which is matched with the inclined section, and the side wall of the bulge part is provided with a deformable gasket; in the second position, a gap exists between the air door plate and the panel, the width of the gap is equal to the height of the bulge part, and in the first position, the air door plate is tightly attached to the panel.

According to one embodiment of the utility model, the bottom of the air collecting box is provided with a first bracket, the driving device is fixed on the first bracket, and the driving end of the driving device is fixedly connected to the lower end of the air door plate and drives the air door plate to slide along the guide rail.

According to one embodiment of the utility model, the air suction port is a narrow strip air suction port arranged along the horizontal direction, the guide rails are distributed on the left side and the right side of the air suction port, and the guide rails are arranged on the inner wall surface of the panel; bearings capable of sliding on the guide rails are arranged on two sides of the air door plate, and damping parts are sleeved on the bearings.

According to one embodiment of the utility model, a smoke exhaust fan is arranged in the air collection box, the driving device is electrically connected with the smoke exhaust fan, the driving device can receive the running state signal of the smoke exhaust fan, and when the smoke exhaust fan is started, the driving device drives the air door plate to slide to a second position, and the air suction inlet is opened; when the smoke exhaust fan is closed, the driving device drives the air door plate to slide to the first position, and the air suction opening is shielded by the shielding surface.

The utility model provides a range hood, adopt foretell switch inlet scoop subassembly, including the PM2.5 detection module that can real-time detection surrounding air quality and can show its detection data's display control device, be equipped with exhaust fan in the collection bellows, PM2.5 detection module, exhaust fan and drive arrangement all are connected with the display control device electricity, when PM2.5 detection module's detection numerical value reaches the scope of setting, display control device sends the start instruction for exhaust fan and drive arrangement, drive arrangement drives the wind door plant and slides to the second position, the inlet scoop is opened, exhaust fan gets into running state.

According to one embodiment of the utility model, the length of the air door plate is larger than that of the air suction inlet, the air guide opening is provided with an oil baffle plate which extends inwards and expands outwards gradually, two sides of the oil baffle plate are provided with guide grooves which can guide oil stains accumulated on the top to flow downwards, and the bottom of the air collection box is provided with an oil leakage hole and an oil cup which is connected with the oil stains which can be discharged from the oil leakage hole.

According to one embodiment of the utility model, the smoke collecting device further comprises side baffles connected to two sides of the panel, the panel and the side baffles jointly enclose a smoke collecting cavity, an air outlet is formed in the front end of the panel, an air curtain assembly capable of generating downward component exhaust air is arranged in the air collecting box, the downward component exhaust air is discharged from the air outlet to form air curtain air, and the air curtain air forms an air curtain to prevent smoke from escaping from the front end.

Compared with the prior art, the switch air suction port assembly has the following advantages:

When the range hood is shut down, the air door plate closes the air suction port, so that external dust can be reduced from entering the air collecting box, dirt attached to the inner wall surface of the panel, the inner wall surface of the air collecting box and the shell of the smoke exhaust fan can be reduced, and the range hood is easy to clean when the range hood is cleaned.

Drawings

Fig. 1 is a schematic structural view of a range hood having a switch air suction port assembly of the present utility model;

FIG. 2 is a schematic view of the position relationship and structure of a damper plate and a driving device of the switch inlet assembly of the present utility model;

Fig. 3 is a front view of a range hood having a switch air suction port assembly of the present utility model;

FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;

FIG. 5 is an enlarged view of part of B in FIG. 4;

In the figure: 1. panel 11, suction inlet 12, exhaust outlet 2, air collecting box 21, guide rail 211, first straight section 213, second straight section 213, inclined section 22, first bracket 23, oil leakage hole 24, oil cup 3, air door plate 31, bulge 311, gasket 32, air guiding opening 321, oil baffle plate 322, guiding groove 33, bearing 34, shock absorber 4, driving device 5, smoke exhaust fan 6, PM2.5 detection module 7, display control device 8, side baffle plate 9, air curtain component

The implementation and advantages of the functions of the present utility model will be further described with reference to the accompanying drawings.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the sake of simplicity of the drawing, some conventional structures and components are shown in the drawing in a simplified schematic form.

It should be noted that all directional indicators (such as up, down, left and right, front and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

For a further understanding of the nature, features, and efficacy of the present utility model, the following examples are set forth in order to provide a further understanding of the utility model, and are intended to be described in connection with the accompanying drawings:

The utility model discloses a switch air suction port assembly, referring to fig. 1 and 2, which is used for a range hood and comprises a panel 1, an air collecting box 2, an air door plate 3 and a driving device 4, wherein an air suction port 11 is arranged on the panel 1; the air collecting box 2 is connected with the air suction inlet 11, a guide rail 21 is arranged in the air collecting box 2, and the guide rail 21 is arranged along the inner wall surface of the panel 1; the air door plate 3 is arranged in the air collecting box 2 and is in sliding connection with the guide rail 21, the air door plate 3 is provided with a shielding surface and an air guide opening 32, the air door plate 3 is provided with a first position and a second position on the guide rail 21, and the shielding surface shields the air suction inlet 11 in the first position; in the second position, the air guiding opening 32 corresponds to the air suction opening 11 and is used for sucking air; and a driving device 4 for driving the damper plate 3 to move between the first position and the second position. The switch air suction opening component is used for the range hood, when the range hood is started, the driving device 4 drives the air door plate 3 to move on the guide rail 21, the air door plate 3 moves from a first position to a second position, the air guide opening 32 on the air door plate 3 corresponds to the air suction opening 11 on the panel, the shielding surface on the air door plate 3 moves from the air suction opening 11, the air suction opening 11 is opened, when the smoke exhaust fan of the range hood is started, external oil smoke can enter the air collection box 2 through the air suction opening 11 and the air guide opening 32, then is discharged from the air collection box 2 by the smoke exhaust fan of the range hood, when the smoke exhaust fan of the range hood is shut down, the driving device 4 is started, the driving device 4 drives the air door plate 3 to move on the guide rail 21, the air door plate 3 moves from the second position to the first position, the air guide opening 32 on the air door plate 3 is staggered with the air suction opening 11 on the panel, the shielding surface on the air door plate 3 shields the air suction opening 11, the air suction opening 11 is closed, the air in the environment cannot enter the air collecting box 2 through the air suction opening 11 when the range hood is shut down, dust in the air cannot be mixed with a mixture of oil and water attached to the inner wall surface of the panel 1, the inner wall surface of the air collecting box 2 and the shell of the smoke exhaust fan when the range hood is shut down, dirt formation is reduced, the mixture of oil and water attached to the inner wall surface of the panel 1, the inner wall surface of the air collecting box 2 and the shell of the smoke exhaust fan is relatively small due to the fact that the viscosity of the mixture is relatively small, after a certain amount is accumulated, the mixture can flow downwards along the inner wall surface of the panel 1, the inner wall surface of the air collecting box 2 and the shell of the smoke exhaust fan under the action of gravity of the air collecting box 2 and drop onto the bottom plate of the air collecting box 2, eventually, the oil leaks from the bottom plate of the air collection box 2 drop into the oil cup below the air collection box 2 and are collected. The switch air suction port assembly of the utility model can reduce the external dust from entering the air collecting box 2 when the range hood is shut down, reduce the generation of dirt attached to the inner wall surface of the panel 1, the inner wall surface of the air collecting box 2 and the shell of the smoke exhaust fan, reduce the cleaning times of the range hood, and enable the range hood to be easy to clean when the range hood is cleaned.

Because the air door plate 3 is arranged in the air collecting box 2, the panel 1 has thickness, when the air door plate 3 closes the air suction opening 11, even if the shielding surface of the air door plate 3 is tightly attached to the inner wall surface of the panel 1, the air suction opening 11 forms a groove in the thickness direction of the panel 1, so that the outer side surface of the panel 1 is not a complete plane, oil smoke is adhered to the inner wall surface of the air suction opening 11 after passing through the air suction opening 11, and dirt is easily generated in the groove formed after the shielding surface shields the air suction opening 11, thereby being inconvenient for a user to clean. In order to solve this problem, referring to fig. 2 to 5, in the switch air suction port assembly of the present utility model, the shielding surface is provided with a bulge portion 31 protruding toward the air suction port 11, the bulge portion 31 is adapted to the air suction port 11, and when the damper panel 3 is in the first position, the bulge portion 31 extends into the air suction port 11 and the top surface of the bulge portion 31 is flush with the outer side surface of the panel 1. After the switch air suction port assembly is used for a range hood, when the smoke exhaust fan is closed, the driving device 4 drives the air door plate 3 to move on the guide rail 21, so that the air door plate 3 moves from the first position to the second position, the air guide opening 32 on the air door plate 3 is staggered with the air suction port 11 on the panel, the bulge part 31 on the shielding surface on the air door plate 3 stretches into the air suction port 11 and shields the air suction port 11, the air suction port 11 is closed, after the bulge part 31 stretches into the air suction port 11, the top surface of the bulge part 31 is flush with the outer side surface of the panel 1, and the top surface of the bulge part 31 and the outer side surface of the panel 1 are positioned on the same plane, so that a user can clean the panel 1 of the range hood conveniently.

Referring to fig. 1, in the switch inlet assembly of the present utility model, the guide rail 21 includes a first straight section 211, a second straight section 212, and an inclined section 213 connecting the two sections, the second straight section 212 is close to the inner wall surface of the panel 1, when the damper panel 3 slides from the first straight section 211 to the second straight section 212 through the inclined section 213, it enters the first position from the second position, and the bulge 31 extends out of the inlet 11. After the inclined section 213 connects the first straight section 211 and the second straight section 212, the first straight section 211 and the second straight section 212 are made to be different in plane, when the second straight section 212 is close to the inner wall surface of the panel 1, a gap exists between the first straight section 211 and the inner wall surface of the panel 1, so that when the damper plate 3 is located at the first straight section 211, a gap also exists between the damper plate 3 and the inner wall surface of the panel 1, the shielding surface of the damper plate 3 is staggered with the air suction inlet 11, the bulge 31 on the shielding surface is located in the gap between the panel 1 and the damper plate 3, and when the damper plate 3 is moved from the first straight section 211 to the second straight section 212, the bulge 31 on the shielding surface enters the air suction inlet 11 and shields the air suction inlet because the second straight section 212 is close to the inner wall surface of the panel 1.

Referring to fig. 4 and 5, in the switch suction port assembly of the present utility model, an inclined surface corresponding to the inclined section 213 is provided on a sidewall of the suction port 11, and a deformable gasket 311 is provided on a sidewall of the bulge 31; in the second position, a gap is present between the damper plate 3 and the panel 1, the width of the gap being equal to the height of the bulge 31, and in the first position, the damper plate 3 is in close contact with the panel 1. Since the inclined section 213 connects the first flat section 211 and the second flat section 212, and different planes are formed between the first flat section 211 and the second flat section 212, a height difference exists between the first flat section 211 and the second flat section 212, when the first flat section 211 is positioned below the second flat section 212, the height of the second flat section 212 is Yu Diyi the height of the flat section 211, and when the driving device 4 drives the damper plate 3 to move, the damper plate 3 moves from the first flat section 211 to the second flat section 212, or when the second flat section 212 moves to the first flat section 211, the moving track of the damper plate 3 changes, when the damper plate 3 moves from the first flat section 211 with low position to the second flat section 212 with high position, the damper plate 3 presses the second flat section 212 under the action of the driving device 4, the deformable gasket 311 is arranged on the side wall of the bulge part 31, and when the damper plate 3 presses the second flat section 212, the gasket 311 deforms, so that the force of the height difference on the second flat section 212 is reduced, the damper plate 3 is prevented from excessively pressing the panel 1, and the panel 1 is deformed; when the first straight section 211 is positioned above the second straight section 212, the height of the second straight section 212 is lower than that of the first straight section 211, and when the driving device 4 drives the damper plate 3 to move, the damper plate 3 moves from the first straight section 211 to the second straight section 212, or when the second straight section 212 moves to the first straight section 211, the moving track of the damper plate 3 changes, when the second straight section 212 moves from the low position to the high position to the first straight section 211, the damper plate 3 presses the second straight section 212 under the action of the driving device 4, the deformable gasket 311 is arranged on the side wall of the bulge part 31, when the damper plate 3 presses the first flat section 211, the gasket 311 deforms, reducing the force of the height difference acting on the first flat section 211, preventing the damper plate 3 from excessively pressing the first flat section 211, and deforming the first flat section 211; in the illustrated embodiment, the first straight section 211 is located below the second straight section 212, and the second straight section 212 has a height that is lower than the height of the first straight section 211. When the damper plate 3 moves to the second straight section 212, the damper plate 3 enters the first position, the damper plate 3 is tightly attached to the panel 1, the bulge part 31 stretches into the air suction opening 11 and closes the air suction opening 11, and the top surface of the bulge part 31 is level with the outer side surface of the panel 1; when the damper plate 3 moves to the first straight section 211 and enters the second position, a gap exists between the damper plate 3 and the panel 1, the width of the gap is equal to the height of the bulge part 31, the bulge part 31 is accommodated in the gap between the damper plate 3 and the panel 1, the bulge part 31 cannot press the panel 1 outwards, and deformation of the panel 1 due to the extrusion of the bulge part 31 is avoided. In addition, when the bulge 31 extends into the suction port 11, the gasket 311 on the sidewall of the bulge 31 presses together with the inclined section 213 on the sidewall of the suction port 11 and seals the suction port 11, so that the bulge 31 seals the suction port 11 tightly.

Referring to fig. 1, in the switch air suction port assembly of the present utility model, a first bracket 22 is disposed at the bottom of an air collection box 2, a driving device 4 is fixed on the first bracket 22, and a driving end of the driving device 4 is fixedly connected to the lower end of a damper plate 3 and drives the damper plate 3 to slide along a guide rail 21. When the driving device 4 is activated, the driving device 4 drives the damper panel 3 to slide along the second straight section 212 through the inclined section 213 to the first straight section 211, or the driving device 4 causes the damper panel 3 to slide along the first straight section 211 through the inclined section 213 to the second straight section 212. Referring to fig. 1, in the illustrated embodiment, the first straight section 211 is located below the second straight section 212, the second straight section 212 is lower than the first straight section 211, when the driving device 4 pushes the air door panel 3 upward, the air door panel 3 slides along the first straight section 211 toward the second straight section 212 through the inclined section 213, the air door panel 3 enters the first position from the second position, the bulge 31 extends out of the air suction port 11, and the air suction port 11 is closed; when the driving device 4 pulls the air door plate 3 downwards, the air door plate 3 slides along the second straight section 212 to the first straight section 211 through the inclined section 213, the air door plate 3 enters the second position from the first position, and the air guide opening 32 corresponds to the air suction port 11 and is used for sucking air.

In some embodiments, the driving device 4 adopts a driving motor, an output end of the driving motor is connected with an output gear, the output gear is meshed with a rack, the rack is connected with the air door plate 3, when the driving motor is started, the output end of the driving motor drives the output gear to rotate, the output gear is meshed with the rack and drives the rack to move up and down, and then the air door plate 3 slides along the guide rail 21.

In still other embodiments, the driving device 4 adopts a driving motor, an output end of the driving motor is connected with a screw rod, a screw rod nut is sleeved on the screw rod, the screw rod nut is connected with the air door plate 3, and when the driving motor is started, the output end of the driving motor drives the screw rod to rotate, the screw rod nut slides up and down along the screw rod, and then the air door plate 3 slides along the guide rail 21.

Referring to fig. 1, in the illustrated embodiment, the driving device 4 employs an electric push rod, the driving end of the electric push rod is connected to the damper panel 3, and when the electric push rod is started, the electric push rod drives the damper panel 3 to slide along the guide rail 21.

Referring to fig. 2, in the switch air suction opening assembly of the present utility model, an air suction opening 11 is a narrow strip air suction opening arranged along a horizontal direction, guide rails 21 are distributed on the left and right sides of the air suction opening 11, and the guide rails 21 are arranged on the inner wall surface of a panel 1; bearings 33 capable of sliding on the guide rail 21 are arranged on both sides of the air door plate 3, and shock absorbing members 34 are sleeved on the bearings 33. When the driving device 4 is started, the driving device 4 drives the air door plate 3 to slide along the guide rail 21 and ascend or descend relative to the air suction port 11, when the air door plate 3 slides along the guide rail 21, the bearings 33 at two sides of the air door plate 3 slide along the guide rail 21, so that friction force between the air door plate 3 and the guide rail 21 can be reduced, and as the shock absorbing piece 34 is arranged on the bearings 33, in the process that the bearings 33 slide along the guide rail 21, vibration generated when the bearings 33 slide along the guide rail 21 can be reduced, so that the driving device 4 drives the air door plate 3 to slide along the guide rail 21 more stably.

Referring to fig. 4, in the switch air suction port assembly of the present utility model, a smoke exhaust fan 5 is disposed in an air collection box 2, a driving device 4 is electrically connected with the smoke exhaust fan 5, the driving device 4 can receive an operation state signal of the smoke exhaust fan 5, when the smoke exhaust fan 5 is turned on, the driving device 4 drives an air door plate 3 to slide to a second position, and an air suction port 11 is opened; when the smoke exhaust fan 5 is closed, the driving device 4 drives the air door plate 3 to slide to the first position, and the air suction opening 11 is shielded by the shielding surface. When the switch air suction port assembly is used on the range hood, when the range hood is started, the smoke exhaust fan 5 is started, the driving device 4 receives an operation state signal of the smoke exhaust fan 5 to start and drive the air door plate 3 to move, the driving device 4 pulls the air door plate 3 downwards, the air door plate 3 slides to the first straight section 211 along the second straight section 212 through the inclined section 213, the air door plate 3 enters the second position from the first position, the air guide opening 32 corresponds to the air suction port 11, and under the action of the smoke exhaust fan 5, external smoke enters the air collection box 2 through the air suction port 11 and the air guide opening 32 and then is discharged out of the air collection box 2 by the smoke exhaust fan 5; when the range hood is shut down, the smoke exhaust fan 5 is turned off, the driving device 4 receives an operation state signal of the smoke exhaust fan 5 to start and drive the air door plate 3 to move, the driving device 4 pushes the air door plate 3 upwards, the air door plate 3 slides to the second straight section 212 along the first straight section 211 through the inclined section 213, the air door plate 3 enters the first position from the second position, the bulge part 31 on the shielding surface extends out of the air suction port 11, and the air suction port 11 is closed.

The utility model also discloses a range hood, referring to fig. 1, 3 to 5, the range hood disclosed by the utility model adopts the switch air suction port assembly, the range hood disclosed by the utility model comprises a PM2.5 detection module 6 capable of detecting ambient air quality in real time and a display control device 7 capable of displaying detection data, a smoke exhaust fan 5 is arranged in the air collecting box 2, the PM2.5 detection module 6, the smoke exhaust fan 5 and the driving device 4 are electrically connected with the display control device 7, when the detection value of the PM2.5 detection module 6 reaches the set range, the display control device 7 sends a starting instruction to the smoke exhaust fan 5 and the driving device 4, the driving device 4 drives the air door plate 3 to slide to a second position, the air suction port 11 is opened, and the smoke exhaust fan 5 enters an operation state. When the range hood is in a shutdown state, the air door plate 3 is positioned at the second straight section 212 of the guide rail 21, the air door plate 3 is positioned at the first position, and the bulge part 31 on the shielding surface stretches into the air suction port 11 and shields the air suction port 11; after the range hood is started, the PM2.5 detection module 6 is started firstly, the PM2.5 detection module 6 detects the air quality of the working environment and sends detection data to the display control device 7, the display control device 7 displays the data detected by the PM2.5 detection module 6 and judges whether the detection value of the PM2.5 detection module 6 reaches a set range, when the detection value of the PM2.5 detection module 6 reaches the set range, the display control device 7 sends a starting instruction to the smoke exhaust fan 5 and the driving device 4, the driving device 4 starts and drives the air door plate 3 to slide along the guide rail 21 and slides to the first straight section 211 through the inclined section 213 by the second straight section 212 of the guide rail 21, after the air door plate 3 slides to the first straight section 211, the air door plate 3 enters the second position from the first position, the air guide opening 32 corresponds to the air suction opening 11, the air suction opening 11 is opened, the exhaust fan 5 enters an operating state, under the action of the exhaust fan 5, external oil smoke enters the air collecting box 2 through the air suction inlet 11 and the air guide opening 32, then the exhaust fan 5 discharges the air collecting box 2, when the exhaust fan 5 works, the PM2.5 detection module 6 detects ambient air quality in real time and sends detection data to the display control device 7, when the detection value of the PM2.5 detection module 6 reaches a minimum value lower than a set range, the display control device 7 sends a shutdown instruction to the exhaust fan 5 and the driving device 4, the exhaust fan 5 enters a shutdown state, the driving device 4 drives the air door plate 3 to slide along the guide rail 21, the first straight section 211 of the guide rail 21 slides to the second straight section 212 through the inclined section 213, and when the air door plate 3 slides to the second straight section 212, the first position is reached, the bulge 31 extends out of the air suction inlet 11 and shields the air suction inlet 11.

Referring to fig. 1 and 3, in the range hood of the present utility model, the length of the damper plate 3 is greater than the length of the air suction inlet 11, and the damper plate 3 is provided with a shielding surface and an air guiding opening 32, so that when the damper plate 3 is driven by the driving device 4 and moves between the first position and the second position, the damper plate 3 always has a portion corresponding to the air suction inlet 11, and only when the damper plate 3 is in the second position, the air guiding opening 32 and the air suction inlet 11 can be opened, and after the smoke exhaust fan 5 is started, external smoke can enter the air collection box 2 through the air suction inlet 11; after the air door plate 3 slides to the first position along the guide rail 21, the shielding surface of the air door plate 3 shields the air suction inlet 11 and covers the air suction inlet 11 completely, and the bulge part 31 on the shielding surface stretches into the air suction inlet 11 and the top surface of the bulge part 31 is flush with the outer side surface of the panel 1, so that the outer side surface of the panel 1 has complete appearance, a gap is avoided between the shielding surface and the air suction inlet 11, and generation and accumulation of dirt are reduced.

Referring to fig. 1, in the range hood of the present utility model, an oil baffle 321 extending inward and gradually expanding outward is disposed at an air guiding opening 32, guide grooves 322 capable of guiding oil dirt accumulated on the top to flow downward are disposed on two sides of the oil baffle 321, and an oil leakage hole 23 and an oil cup 24 connected to the oil dirt flowing out from the oil leakage hole 23 are disposed at the bottom of the air collecting box 2. When the smoke exhaust fan 5 is started, external oil smoke enters the air collecting box 2 through the air suction opening 11, then enters the shell of the smoke exhaust fan 5, finally, is discharged out of the air collecting box 2 through the smoke exhaust fan 5, after the oil smoke enters the air collecting box 2, the mixture of oil and water in the oil smoke can be attached to the inner wall surface of the panel 1, the inner wall surface of the air collecting box 2 and the shell of the smoke exhaust fan 5, after the mixture of oil and water is accumulated to a certain amount, the mixture of oil and water can flow downwards along the inner wall surface of the panel 1, the inner wall surface of the air collecting box 2 and the shell of the smoke exhaust fan 5, the mixture of oil and water at the part of the inner wall surface of the panel 1 above the air suction opening 11 flows to the air guide opening 32, can be received by the oil baffle 321, guided by the oil baffle 321 to the guide grooves 322 on two sides of the oil baffle 321, then flows downwards along the guide grooves 322 on two sides of the oil baffle 321, can prevent liquid drops formed by the mixture of oil and water from dripping to the outer side of the panel 1 through the air suction inlet 11, the inner wall surface of the air collecting box 2, the shell of the smoke exhaust fan 5 and the mixture of oil and water guided by the guide grooves 322 finally drip to the bottom of the air collecting box 2, then flows into the oil cup 24 through the oil leakage hole 23 on the bottom of the air collecting box 2, is received by the oil cup 24, and after a certain amount of oil stains in the oil cup 24 are accumulated, a user cleans the oil cup 24 to remove the oil stains in the oil cup 24.

Referring to fig. 1, the range hood of the present utility model further includes side baffles 8 connected to two sides of the panel 1, and the panel 1 and the side baffles 8 together enclose a smoke collecting cavity. After the range hood is started, when the detection value of the PM2.5 detection module 6 reaches the set range, the display control device 7 sends a starting instruction to the smoke exhaust fan 5 and the driving device 4, the driving device 4 drives the air door plate 3 to slide to the second position, the air suction inlet 11 is opened, the smoke exhaust fan 5 enters the running state, the smoke exhaust fan 5 forms negative pressure at the air suction inlet 11, the fume generated in the cooking process of a user starts to flow towards the air suction inlet 11, the user can move back and forth in the cooking process, the airflow generated in the moving process can influence the fume flowing towards the air suction inlet 11, the condition that the fume is outwards diffused and escaped occurs, the fume can flow into the working environment of the user and is inhaled by the user after escaping, the health of the user is influenced, the side baffles 8 are arranged on the left side and the right side of the panel, the panel 1 and the side baffles 8 enclose a fume collecting cavity together, the fume collecting cavity can generate a good collecting effect on the fume, the fume can be effectively prevented from outwards escaping, and the fume purifying effect of the range hood is better.

Referring to fig. 3 and 4, the front end of the panel 1 of the range hood of the present utility model is provided with an air outlet 12, and the air collecting box 2 is provided with an air curtain assembly 9 capable of generating downward component exhaust air, wherein the downward component exhaust air is exhausted from the air outlet 12 to form an air curtain, and the air curtain forms an air curtain to prevent the oil smoke from escaping from the front end. In the process of flowing the oil smoke to the air suction inlet 11, the polluted air on the air flow surface formed by the oil smoke can escape to the user side, and when the escaped polluted air enters the air suction range corresponding to the mouth and nose of the user, the polluted air can be sucked by the user, so that the health of the user is influenced. According to the range hood disclosed by the utility model, the air outlet 12 is arranged at the front end of the panel 1, the air curtain assembly 9 capable of generating downward component exhaust air is arranged in the air collecting box 2, when the smoke exhaust fan 5 is started and starts to suck external oil smoke, the air curtain assembly 9 is started, the air curtain assembly 9 is used for exhausting the oil smoke downward through the air outlet 12 and forms air curtain air, the air curtain is positioned between a user and the air suction inlet 11, and when the polluted air on the air flow surface formed by the oil smoke escapes to the user side, the air curtain can prevent the escaped polluted air from entering an air suction range corresponding to the nose and the mouth of the user, so that the user is prevented from sucking the polluted air. In practical application, the air curtain component 9 comprises an air curtain fan, an air inlet is formed in the top of the air collecting box 2, when the air curtain fan is started, air at the top of the air collecting box 2 enters through the air inlet and is then sucked by the air curtain fan, the air discharged by the air curtain fan through the air outlet 12 forms an air curtain, and oil smoke is prevented from escaping from the front end and entering into an air suction range corresponding to the nose and the mouth of a user.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims

1. A switch inlet scoop assembly for a range hood, comprising:

a panel (1) on which an air suction port (11) is provided;

A wind collecting box (2) connected with the wind suction inlet (11), wherein a guide rail (21) is arranged in the wind collecting box (2), and the guide rail (21) is arranged along the inner wall surface of the panel (1);

The air door plate (3) is arranged in the air collecting box (2) and is in sliding connection with the guide rail (21), a shielding surface and an air guide opening (32) are formed in the air door plate (3), the air door plate (3) is provided with a first position and a second position on the guide rail (21), and the shielding surface shields the air suction inlet (11) when in the first position; in the second position, the air guide opening (32) corresponds to the air suction opening (11) and is used for sucking air;

And a driving device (4) for driving the damper plate (3) to move between the first position and the second position.

2. The switch inlet scoop assembly according to claim 1, characterized in that the shielding surface is provided with a bulge (31) protruding towards the inlet scoop (11), the bulge (31) being adapted to the inlet scoop (11), and the damper plate (3) in the first position, the bulge (31) extending into the inlet scoop (11) and the top surface of the bulge (31) being flush with the outer side surface of the panel (1).

3. The switch suction opening assembly according to claim 2, characterized in that the guide rail (21) comprises a first straight section (211), a second straight section (212) and an inclined section (213) connecting the two, the second straight section (212) being close to the inner wall surface of the panel (1), the flap (3) moving from the second position into the first position when sliding from the first straight section (211) through the inclined section (213) to the second straight section (212), the bulge (31) protruding out of the suction opening (11).

4. A switch suction port assembly according to claim 3, characterized in that the side wall of the suction port (11) is provided with an inclined surface adapted to the inclined section (213), and the side wall of the bulge (31) is provided with a deformable gasket (311); in the second position, a gap exists between the air flap (3) and the panel (1), the width of the gap is equal to the height of the bulge (31), and in the first position, the air flap (3) is tightly attached to the panel (1).

5. The switch inlet scoop assembly according to claim 1, wherein a first bracket (22) is provided at the bottom of the air collection box (2), the driving device (4) is fixed on the first bracket (22), and the driving end of the driving device (4) is fixedly connected to the lower end of the air door plate (3) and drives the air door plate (3) to slide along the guide rail (21).

6. The switch air suction port assembly according to claim 1, wherein the air suction port (11) is a narrow strip air suction port arranged along the horizontal direction, the guide rails (21) are distributed on the left side and the right side of the air suction port (11), and the guide rails (21) are arranged on the inner wall surface of the panel (1); two sides of the air door plate (3) are provided with bearings (33) capable of sliding on the guide rail (21), and the bearings (33) are sleeved with damping pieces (34).

7. The switch air suction opening assembly according to claim 1, wherein a smoke exhaust fan (5) is arranged in the air collection box (2), the driving device (4) is electrically connected with the smoke exhaust fan (5), the driving device (4) can receive an operation state signal of the smoke exhaust fan (5), when the smoke exhaust fan (5) is started, the driving device (4) drives the air door plate (3) to slide to the second position, and the air suction opening (11) is opened; when the smoke exhaust fan (5) is closed, the driving device (4) drives the air door plate (3) to slide to the first position, and the air suction inlet (11) is closed by the shielding surface.

8. A range hood, adopts the switch inlet scoop subassembly of any one of claims 1 to 7, its characterized in that, including PM2.5 detection module (6) that can real-time detection surrounding air quality and can show its detection data's display control device (7), be equipped with in the collection bellows (2) and discharge fume fan (5), PM2.5 detection module (6) discharge fume fan (5) and drive arrangement (4) all with display control device (7) electricity is connected, when the detected value of PM2.5 detection module (6) reaches the scope of setting, display control device (7) give discharge fume fan (5) with drive arrangement (4) send the start instruction, drive arrangement (4) order about damper board (3) slides to the second position, inlet scoop (11) are opened, discharge fume fan (5) get into running state.

9. The range hood according to claim 8, wherein the length of the damper plate (3) is greater than the length of the air suction port (11), the air guide opening (32) is provided with an inwardly extending and gradually outwardly expanding oil baffle plate (321), two sides of the oil baffle plate (321) are provided with guide grooves (322) capable of guiding oil dirt accumulated at the top to flow downwards, and the bottom of the air collection box (2) is provided with oil leakage holes (23) and oil cups (24) connected with the oil dirt which can be received and flow out of the oil leakage holes (23).

10. The range hood according to claim 9, further comprising side baffles (8) connected to two sides of the panel (1), wherein the panel (1) and the side baffles (8) together enclose a smoke collecting cavity, an air outlet (12) is arranged at the front end of the panel (1), an air curtain component (9) capable of generating downward component exhaust air is arranged in the air collecting box (2), the downward component exhaust air is exhausted from the air outlet (12) to form an air curtain, and the air curtain forms an air curtain to prevent oil smoke from escaping from the front end.