CN216868602U - Smoke collecting device and range hood - Google Patents

Abstract

The utility model provides a smoke collection device and a range hood, and relates to the technical field of kitchen appliances. The utility model provides a smoke collecting device, comprising: the smoke collection mechanism is movably connected with the fan mechanism and can extend out of or be accommodated in the fan mechanism along the vertical direction; the smoke collecting mechanism comprises an air guide pipe and a smoke collecting hood which are communicated with each other, wherein the smoke collecting hood is provided with a smoke inlet and can rotate relative to the air guide pipe so as to adjust the smoke collecting hood to be in a horizontal or vertical state. The smoke collection device and the range hood provided by the utility model solve the problem that the top of the smoke collection area can not form the smoke collection area.

Description

Smoke collecting device and range hood

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a smoke collecting device and a range hood.

Background

During cooking, the cooking utensil generates oil smoke, the heated oil smoke naturally rises and is sucked away from a smoke inlet of the range hood, the oil smoke which is not sucked away in time is diffused indoors, the phenomenon of smoke leakage is called, and the distance from the cooking utensil to the smoke inlet is called as an oil smoke path; the longer the oil smoke path is, the poorer the oil smoke absorbing effect of the range hood is, the smaller the oil smoke path is, and the better the oil smoke absorbing effect of the range hood is.

The existing range hood can not solve the problem that the interference between a large cooker and a smoke gathering area is avoided while the smoke gathering area is formed at the top of the cooker, and the smoke inlet of the range hood is difficult to be vertical to the speaking position, so that the smoking effect of the range hood is influenced; the traditional lifting type range hood adopts a turning plate to cut off an oil smoke path to suck oil smoke, but is difficult to match with cookers of various sizes, and the smoking effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a smoke collection device and a range hood so as to solve the problem that a smoke collection area cannot be formed at the top of a smoke generation area in the prior art.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

the smoke collecting device provided by the embodiment of the utility model comprises: the smoke collection mechanism is movably connected with the fan mechanism and can extend out of or be accommodated in the fan mechanism along the vertical direction;

the smoke collecting mechanism comprises an air guide pipe and a smoke collecting hood which are communicated with each other, wherein the smoke collecting hood is provided with a smoke inlet and can rotate relative to the air guide pipe so as to adjust the smoke collecting hood to be in a horizontal or vertical state.

As a further technical scheme, the smoke collecting mechanism further comprises a folding pipe, and two ends of the folding pipe are respectively communicated with the air guide pipe and the smoke collecting hood.

As a further technical scheme, the smoke collecting mechanism also comprises a driving component;

the driving component is in transmission connection with the smoke collecting cover and is used for driving the smoke collecting cover to rotate relative to the air guide pipe.

As a further technical scheme, the driving component is arranged inside the air guide pipe and comprises a driving piece and a transmission piece;

the driving piece is respectively connected with the inner wall of the air guide pipe and the driving piece, and the driving piece is connected with the inner wall of the smoke collecting hood.

As a further technical scheme, the transmission part comprises a first engaging component, a second engaging component and a rotating rod component;

the first meshing component is respectively connected with the second meshing component and the driving component in a transmission mode, the second meshing component is installed in the air guide pipe, and the rotating rod component is connected with the second meshing component and the inner wall of the smoke collecting cover in a rotating mode.

As a further technical solution, the first engaging member includes a rack, the second engaging member includes a gear, and the rotating rod assembly includes a first rotating rod and a second rotating rod;

one end of the second rotating rod is rotatably connected with the eccentric position of the gear, the other end of the second rotating rod is rotatably connected with the first rotating rod, and the first rotating rod is fixedly connected with the inner wall of the smoke collecting hood and is rotatably connected with a supporting piece arranged in the air guide pipe.

As a further technical scheme, a connecting point of the first rotating rod and the second rotating rod is positioned between a connecting point of the supporting piece and the gear and a connecting point of the first rotating rod and the inner wall of the smoke collecting cover.

As a further technical scheme, the supporting piece comprises a supporting seat and a supporting rod;

the supporting seat is arranged on the inner wall of the air guide pipe, and the gear is arranged on the supporting seat;

one end of the supporting rod is fixedly connected with the supporting seat, and the other end of the supporting rod is rotatably connected with the first rotating rod.

As a further technical solution, the transmission member includes a first guide member and a second guide member;

the first guide piece is fixedly arranged on the inner wall of the air guide pipe, the second guide piece is connected with the first guide piece in a sliding mode, and the rack is fixedly arranged on the second guide piece.

As a further technical scheme, the transmission piece also comprises a transmission block and a connecting block;

the connecting block is respectively connected with the transmission block and the driving piece in a transmission mode, and the transmission block is fixedly connected with the second guide piece.

As a further technical scheme, the driving part comprises a push rod motor;

and two ends of the push rod motor are respectively connected with the air guide pipe and the transmission piece.

As a further technical scheme, the smoke collecting device also comprises a fixed seat;

one end of the push rod motor is fixedly arranged on the inner wall of the air guide pipe through a fixing seat, and the other end of the push rod motor is in transmission connection with the transmission part.

As a further technical scheme, a lifting hole is formed at the bottom end of the fan mechanism;

the smoke collecting mechanism extends out of or retracts into the fan mechanism through the lifting hole.

As a further technical scheme, the fan mechanism comprises a shell, wherein the shell comprises a rear plate and a bottom plate;

the lifting hole is arranged at one end of the bottom plate close to the back plate.

As a further technical scheme, the smoke collecting device also comprises a sensor and a controller;

the sensor is arranged on the smoke collecting device, and the controller receives signals of the sensor and is used for controlling the lifting of the smoke collecting mechanism and the included angle between the air guide pipe and the smoke collecting hood.

As a further technical solution, the sensor includes an image sensor;

the image sensor is arranged on the smoke collecting device, and when the smoke collecting device works, the image sensor is positioned right above the smoke collecting area;

the image sensor collects gestures of a user and transmits the gestures to the controller, and the controller receives gesture signals and is used for controlling the smoke collecting mechanism to lift.

As a further technical solution, the sensor further comprises a distance sensor;

the distance sensor is arranged on the smoke collecting mechanism, and is positioned right above the smoke collecting area when the smoke collecting device works;

the distance sensor collects the distance between the cooking bench and the smoke inlet and transmits the distance to the controller, and the controller receives a distance signal and is used for controlling the included angle between the air guide pipe and the smoke collecting hood.

The range hood provided by the embodiment of the utility model comprises a smoke collection device.

Compared with the prior art, the smoke collecting device and the range hood provided by the utility model have the technical advantages that:

the smoke collecting device provided by the embodiment of the utility model comprises: the smoke collection mechanism is movably connected with the fan mechanism and can extend out of or be accommodated in the fan mechanism along the vertical direction; the smoke collecting mechanism comprises an air guide pipe and a smoke collecting hood which are communicated with each other, wherein the smoke collecting hood is provided with a smoke inlet and can rotate relative to the air guide pipe so as to adjust the smoke collecting hood to be in a horizontal or vertical state. When the cooker starts to work, the smoke collecting mechanism moves along the vertical direction relative to the fan mechanism and extends out of the fan mechanism, so that the smoke collecting hood rotates relative to the air guide pipe and rotates to the horizontal state, the smoke inlet on the smoke collecting hood is positioned right above the cooker, and generated smoke enters the smoke collecting mechanism through the smoke inlet and is discharged through the fan mechanism; after the oil smoke is got rid of and finishes, make and hold together the petticoat pipe and rotate for the guide duct, rotate the collection petticoat pipe to vertical state, collection cigarette mechanism moves along vertical direction for fan mechanism to return and contract in the fan mechanism, hold together the mouth of advancing on the petticoat pipe and be located inside fan mechanism this moment, avoid advancing the mouth of cigarette and expose, prevent the peculiar smell diffusion that the greasy dirt produced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a smoke collecting mechanism in a smoke collecting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a smoke collecting device provided in the embodiment of the present invention;

fig. 3 is a schematic structural view of a smoke collecting mechanism in the smoke collecting device according to the embodiment of the present invention in a non-operating state;

FIG. 4 is a cross-sectional view of an extended folded tube of a smoke collection device according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a folded tube of a smoke collection device according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of another arrangement of a smoke collecting mechanism in the smoke collecting device according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of an arrangement of an image sensor in the smoke collecting apparatus according to the embodiment of the present invention;

fig. 8 is a schematic structural diagram of an arrangement of a distance sensor in the smoke collecting device according to the embodiment of the present invention;

FIG. 9 is a schematic diagram of a distance sensor capturing a distance signal in a smoke collection device according to an embodiment of the present invention;

fig. 10 is a schematic diagram illustrating a gesture recognized by an image sensor in the smoke collecting device according to the embodiment of the present invention.

Icon: 100-a fan mechanism; 110-lifting holes; 120-a back plate; 130-a backplane;

200-a smoke collection mechanism; 210-a wind guide pipe; 220-folding the tube; 230-collecting the smoke cover; 240-a drive assembly;

300-a driver; 310-a push rod motor;

400-a transmission member; 410-a first engagement member; 420-a second engagement member; 430-a turn bar assembly; 431-a first turning lever; 432-a second rotating shaft; 440-a transmission block; 450-a first guide; 460-a second guide; 470-connecting block;

500-a support; 540-engaging member support seats; 550-support rods;

600-a sensor;

700-a first arc surface; 710-a second arc surface;

800-fixing seat.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The smoke collection device provided by the embodiment of the utility model comprises: the smoke collection mechanism 200 is movably connected with the fan mechanism 100 and can extend out of or be accommodated in the fan mechanism 100 along the vertical direction;

the smoke collecting mechanism 200 comprises an air guide pipe 210 and a smoke collecting hood 230 which are communicated with each other, wherein the smoke collecting hood 230 is provided with a smoke inlet and can rotate relative to the air guide pipe 210 so as to adjust the smoke collecting hood 230 to be in a horizontal or vertical state.

The smoke collection mechanism 200 and the fan mechanism 100 are movably connected relatively, the sliding connection can be a sliding connection, a first sliding piece is arranged on the outer wall of the air guide pipe 210, a second sliding piece is arranged at a position corresponding to the inner wall of the fan mechanism 100, and the first sliding piece is matched with the second sliding piece to realize the relative movement between the smoke collection mechanism 200 and the fan mechanism 100. The power assembly for driving the smoke collecting mechanism 200 to move relative to the fan mechanism 100 can adopt a push rod motor 310, an air cylinder, a mode that the motor is matched with a gear rack or a mode that the motor is matched with a belt transmission assembly and the like, and a proper connecting structure and the power assembly can be selected according to specific requirements; the air guide pipe 210 and the smoke collecting hood 230 are communicated with each other and can rotate relatively; the smoke-collecting hood 230 is provided with a smoke inlet, and in order to ensure that when the range hood is in an operating state, the smoke inlet is always perpendicular to the position of a cooker, the smoke inlet may be arranged on the side wall or the bottom wall of the smoke-collecting hood 230 shown in fig. 1, or both the side wall and the bottom wall of the smoke-collecting hood 230 may be provided with smoke inlets, and in this application, the smoke inlets are only arranged on the bottom wall of the smoke-collecting hood 230 shown in fig. 1. Specifically, as shown in fig. 1 to fig. 3, when the cooker starts to work, the smoke collecting mechanism 200 moves relative to the fan mechanism 100 and extends out of the fan mechanism 100, as shown in fig. 3, at the same time, the air guiding pipe 210 and the smoke collecting hood 230 rotate relatively, so that the air guiding pipe 210 and the smoke collecting hood 230 are perpendicular to each other, the smoke collecting hood 230 is in a horizontal state, at this time, a smoke inlet on the smoke collecting hood 230 is located right above the cooker, as shown in fig. 1, the generated smoke is discharged out of the room through the smoke inlet; after the oil smoke is removed, the air guide pipe 210 and the smoke collecting cover 230 rotate relatively until the air guide pipe 210 and the smoke collecting cover 230 are on the same plane, as shown in fig. 2, the smoke collecting mechanism 200 moves relative to the fan mechanism 100 and retracts into the fan mechanism 100, and at this time, the smoke inlet on the smoke collecting cover 230 is located inside the fan mechanism 100, so that the smoke inlet is prevented from being exposed, and the peculiar smell generated by oil stains is prevented from being diffused.

In another embodiment, as shown in fig. 6, a first arc surface 700 is disposed at one end of the duct 210 close to the smoke collecting hood 230, a second arc surface 710 in sliding fit with the first arc surface 700 is disposed at a position corresponding to the smoke collecting hood 230, sealing plates are disposed at both left and right sides of the duct 210, the cross section of each sealing plate is arc-shaped and is disposed coaxially with the first arc surface 700, a gap is disposed between the sealing plates on both side walls, the duct 210 is communicated with the smoke collecting hood 230 through the gap, a flexible sealing member is disposed at an edge of the smoke collecting hood 230, and the flexible sealing member abuts against the connecting member.

In another embodiment, the smoke collecting mechanism 200 further comprises a folding pipe 220, and two ends of the folding pipe 220 are respectively communicated with the air guide pipe 210 and the smoke collecting hood 230. As shown in fig. 1 to 5, the cross-sectional shape of the folding tube 220 may be set according to specific requirements, in this application, the cross-sectional shape of the folding tube 220 is rectangular, and is adapted to the wind guide tube 210 and the smoke collecting hood 230. When the air guide pipe 210 and the smoke collecting hood 230 are on the same plane, the folding pipe 220 is in a natural state, when the air guide pipe 210 and the smoke collecting hood 230 are perpendicular to each other, one surface of the folding pipe 220 is compressed, and the other surface of the folding pipe is unfolded, so that the air guide pipe 210 and the smoke collecting hood 230 are kept communicated with each other all the time while the relative positions of the air guide pipe 210 and the smoke collecting hood 230 are ensured; the air guide pipe 210 is communicated with the smoke collecting hood 230 through the folding pipe 220, and the structure is simple.

When the range hood works, the smoke collecting hood 230 can rotate relative to the air guide pipe 210 manually or by being driven by the installation of the driving component 240, and in the application, the smoke collecting mechanism 200 further comprises the driving component 240; the driving assembly 240 is in transmission connection with the smoke collecting hood 230, and the driving assembly 240 is used for driving the smoke collecting hood 230 to rotate relative to the air guide pipe 210.

The driving component 240 drives the smoke gathering cover 230 to rotate relative to the air guide pipe 210, driving force is provided for rotation of the smoke gathering cover 230, a smoke inlet on the side wall of the smoke gathering cover 230 is located right above a cooker, the position relation between the smoke gathering cover 230 and the air guide pipe 210 does not need to be adjusted manually, the adjusting process is more convenient and safer, and experience sense of a user during use is improved.

In an optional solution of this embodiment, the driving assembly 240 is disposed inside the air guiding duct 210, and the driving assembly 240 includes a driving element 300 and a transmission element 400; the driving member 300 is connected to the inner wall of the wind guide pipe 210 and the transmission member 400, and the transmission member 400 is connected to the inner wall of the smoke collecting hood 230.

Specifically, as shown in fig. 3 and 4, the driving element 300 is installed inside the air guiding duct 210, the transmission element 400 is disposed inside the air guiding duct 210 and connected to the inner wall of the smoke collecting hood 230 and the driving element 300, that is, the driving element 300 and the transmission element 400 are not exposed to the air guiding duct 210 or the smoke collecting hood 230, so as to provide power for the smoke collecting hood 230 to rotate relative to the air guiding duct 210, and meanwhile, since the driving element 300 and the transmission element 400 are both disposed inside, the spatial volumes of the air guiding duct 210 and the smoke collecting hood 230 are reduced, the interference between the driving assembly 240 and other components is avoided, and the aesthetic property of the range hood is improved.

In an alternative embodiment, the transmission member 400 includes a first engaging member 410, a second engaging member 420, and a rotating rod assembly 430; the first engaging component 410 is respectively connected with the second engaging component 420 and the driving component 300 in a transmission manner, the second engaging component 420 is arranged in the air guide pipe 210, and the rotating rod assembly 430 is rotatably connected with the second engaging component 420 and the inner wall of the smoke collecting cover 230.

The transmission piece 400 is used for driving the smoke collecting hood 230 to rotate relative to the air guide pipe 210 along with the extension and retraction of the push rod motor 310, so that the purpose that a smoke inlet on the smoke collecting hood 230 is positioned right above a cooker when the range hood works is achieved, the arrangement form of the transmission piece 400 is not limited to a single form, and the smoke collecting hood 230 can be driven to rotate relative to the air guide pipe 210 along with the extension and retraction of the push rod motor 310; for example, the transmission member 400 may be driven by a connecting rod or by a meshing transmission, and the specific form is set according to the requirement, and the transmission member 400 is driven by a meshing transmission in the present application. As shown in particular in connection with fig. 4 and 5; the first engaging component 410 is in transmission connection with the push rod motor 310 and is engaged with the second engaging component 420 at the same time, the second engaging component 420 is installed on the inner wall of the air guide pipe 210, and the rotating rod assembly 430 is in transmission connection with both the second engaging component 420 and the inner wall of the smoke collecting hood 230; the first engaging member 410 may be a gear or a rack, and the corresponding second engaging member 420 may be a rack or a gear. When the range hood starts to work, the push rod motor 310 is started, the push rod motor 310 extends to push the first engaging member 410 to move, and the purpose that the smoke collecting cover 230 rotates relative to the air guide pipe 210 is achieved along with the engagement of the first engaging member 410 and the second engaging member 420. When the range hood is finished, the push rod motor 310 retracts, and the movement process is consistent with the extension of the push rod motor 310, so that the smoke collecting hood 230 and the air guide pipe 210 are positioned on the same plane, the smoke collecting mechanism 200 is conveniently stored back to the fan mechanism 100, the space volume of the range hood is reduced, and the appearance sensitivity of a user and the attractiveness of the range hood are improved.

In an alternative embodiment, the first engaging member 410 includes a rack, the second engaging member 420 includes a gear, and the rotating rod assembly 430 includes a first rotating rod 431 and a second rotating rod 432; one end of the second rotating rod 432 is rotatably connected with the eccentric position of the gear, the other end is rotatably connected with the first rotating rod 431, one end of the first rotating rod 431 is fixedly connected with the inner wall of the smoke collecting hood 230, and the other end is rotatably connected with the supporting piece 500 arranged in the air guide pipe 210;

a connection point of the first rotation lever 431 and the second rotation lever 432 is located between a connection point of the support 500 and the gear and a connection point of the first rotation lever 431 and the inner wall of the smoke collecting cover 230.

Specifically, as shown in fig. 4 and fig. 5, in the present application, the first engaging member 410 is configured as a rack, the corresponding second engaging member 420 is configured as a gear, the rack is in transmission connection with the push rod motor 310, the gear is fixedly disposed opposite to the inner wall of the air guiding duct 210, the rack is engaged with the gear, two ends of the second rotating rod 432 are respectively rotatably connected with the eccentric position of the gear and the first rotating rod 431, one end of the first rotating rod 431 is fixedly connected with the inner wall of the smoke collecting hood 230, and the other end is rotatably connected with the supporting member 500; the connection point of the first rotating rod 431 and the second rotating rod 432 can have two arrangement modes, the first arrangement mode is that the connection point of the first rotating rod 431 and the second rotating rod 432 is positioned between the connection point of the supporting piece 500 and the gear and the connection point of the first rotating rod 431 and the inner wall of the smoke collecting hood 230, and the second arrangement mode is that the connection point of the supporting piece 500 and the gear is positioned between the connection point of the first rotating rod 431 and the second rotating rod 432 and the connection point of the first rotating rod 431 and the inner wall of the smoke collecting hood 230; the smoke collecting cover 230 can rotate relative to the air guide pipe 210; the first setting is adopted in the present application.

When the range hood starts to work, the push rod motor 310 is started, the push rod motor 310 extends, the rack moves downwards under the driving force, the relative position of the gear and the inner wall of the air guide pipe 210 is fixed, the gear is forced to rotate clockwise as shown in fig. 5 along with the meshing of the gear and the rack, the second rotating rod 432 is rotatably connected with the eccentric position of the gear, the moving direction transmitted to the second rotating rod 432 is changed, the second rotating rod 432 pushes the first rotating rod 431 to rotate, and the first rotating rod 431 is fixedly connected with the inner wall of the smoke collecting cover 230, and the first rotating rod 431 drives the smoke collecting cover 230 to rotate clockwise around the connection point of the first rotating rod 431 and the support piece 500 relative to the air guide pipe 210, so that the purpose that the smoke inlet on the smoke collecting cover 230 is positioned right above a cooker when the range hood works is achieved, as shown in fig. 5; when the range hood finishes working, the push rod motor 310 retracts, the rack moves upwards along with the push rod motor 310, the gear is stressed to rotate reversely, the first rotating rod 431 is driven to rotate, the smoke collecting hood 230 is driven to rotate relative to the air guide pipe 210 again, the smoke collecting hood 230 and the air guide pipe 210 are in the same plane, the smoke collecting mechanism 200 is conveniently stored in the fan returning mechanism 100, the space volume of the range hood is reduced, and the appearance of a user and the attractiveness of the range hood are improved.

In an alternative embodiment, the transmission member 400 includes a first guide 450 and a second guide 460; the first guide 450 is fixedly connected with the inner wall of the air duct 210 and slidably connected with the second guide 460, the second guide 460 is in transmission connection with the driving member 300, and the rack is fixedly mounted on the second guide 460.

As shown in fig. 4 and 5, the first guiding element 450 may be a sliding slot or a sliding rail, and the corresponding second guiding element 460 is a sliding rail or a sliding slot, and the sliding slot is slidably engaged with the sliding rail; the first guide part 450 is fixedly connected to the inner wall of the air guide pipe 210, the second guide part 460 is in transmission connection with the push rod motor 310, and the rack is fixedly arranged on one surface of the second guide part 460, which is not provided with a sliding rail or a sliding chute; fixed connection's mode can adopt joint, welding, threaded connection spare to connect etc. in this application, the connected mode between rack and the second guide 460 adopts the joint, and one sets up the buckle, and the setting draw-in groove that the other corresponds the setting. Because the first guiding element 450 is fixedly arranged on the inner wall of the air guide duct 210, the push rod motor 310 extends or contracts to drive the first guiding element 450 and the second guiding element 460 to slide relatively, so as to drive the rack to move, and the smoke collecting cover 230 rotates relative to the air guide duct 210. Because the rack is in transmission connection with the push rod motor 310 through the second guide part 460, and the first guide part 450 is in sliding connection with the second guide part 460, the energy consumption of the push rod motor 310 in the working process is reduced, and the smoothness of the smoke collecting hood 230 relative to the rotation of the air guide pipe 210 is ensured.

In an optional technical solution of this embodiment, the transmission member 400 further includes a transmission block 440 and a connection block 470; the connecting block 470 is respectively connected with the driving block 440 and the driving member 300 in a driving manner, and the driving block 440 is fixedly connected with the second guiding member 460.

Specifically, as shown in fig. 5, the connecting block 470 is fixedly connected to the driving block 440 and the driving end of the push rod motor 310, meanwhile, the driving block 440 is fixedly connected to the second guiding element 460, and the push rod motor 310 drives the second guiding element 460 to move through the connecting block 470 and the driving block 440, so as to drive the smoke collecting hood 230 to rotate relative to the air guiding pipe 210; because the push rod motor 310 is in transmission with the second guide piece 460 through the connecting block 470 and the transmission block 440, and the relative positions of the second guide piece 460, the connecting block 470 and the transmission block 440 are fixed, the push rod motor 310 and the second guide piece 460 are prevented from being scratched and rubbed in the process that the push rod motor 310 drives the smoke collecting hood 230 to rotate relative to the air guide pipe 210, the stability of the range hood in operation is ensured, the service life of the range hood is prolonged, and the user experience is improved.

In an optional technical solution of this embodiment, the supporting member 500 further includes an engaging member supporting seat 540 and a supporting rod 550;

one end of the engaging piece supporting seat 540 is arranged on the inner wall of the air guide pipe 210, and the gear is arranged on the engaging piece supporting seat 540;

one end of the supporting rod 550 is fixedly connected with the engaging member supporting seat 540, and the other end is rotatably connected with the first rotating rod 431, and a connection point of the supporting rod 550 and the second rotating rod 432 is located between a connection point of the supporting rod 550 and the first rotating rod 431 and a connection point of the supporting rod 550 and the inner wall of the smoke collecting cover 230.

Specifically, as shown in fig. 5, the gear is mounted on the engaging member supporting seat 540, the engaging member supporting seat 540 is fixedly mounted on the inner wall of the air guide duct 210, one end of the supporting rod 550 is rotatably connected to the first rotating rod 431, the other end of the supporting rod 550 is fixedly connected to the inner wall of the air guide duct 210, and may also be fixedly connected to the engaging member supporting seat 540, where the other end of the supporting rod 550 is fixedly connected to the engaging member supporting seat 540; the connecting point of the support rod 550 and the second rotating rod 432 has two connecting modes, the first setting mode is that the connecting point of the support rod 550 and the second rotating rod 432 is positioned between the connecting point of the support rod 550 and the first rotating rod 431 and the connecting point of the support rod 550 and the inner wall of the smoke collecting cover 230; in the second arrangement mode, the connection point of the support rod 550 and the first rotating rod 431 is positioned between the connection point of the support rod 550 and the second rotating rod 432 and the connection point of the support rod 550 and the inner wall of the smoke collecting cover 230; the first rotating rod 431 can rotate relative to the connecting point, so that the smoke collecting cover 230 rotates relative to the air guide pipe 210. The present application employs a first arrangement, as shown in fig. 5. The gear is fixedly arranged at a position opposite to the inner wall of the air guide pipe 210 through the meshing part supporting seat 540, so that the gear is prevented from being scratched and rubbed with the inner wall of the air guide pipe 210 when rotating under the action of driving force; the supporting rod 550 provides support for the first rotating rod 431, so that when the smoke collecting hood 230 rotates relative to the air guide pipe 210, the stability of the smoke collecting hood 230 and the air guide pipe 210 is guaranteed, and the safety and experience of the range hood in the use process are improved.

In an optional solution of this embodiment, the driving member 300 includes a push rod motor 310;

two ends of the push rod motor 310 are respectively connected with the air guide pipe 210 and the transmission member 400.

Specifically, as shown in fig. 4 and 5, one end of the push rod motor 310 is fixedly connected to the inner wall of the air guiding pipe 210, and the other end of the push rod motor 310 is in transmission connection with the transmission member 400, and the push rod motor 310 provides a driving force for the smoke collecting hood 230 through the transmission member 400 to drive the smoke collecting hood 230 to rotate relative to the air guiding pipe 210. When the range hood starts to work, the push rod motor 310 is started to drive the transmission piece 400 to rotate, so that the smoke collecting hood 230 rotates relative to the air guide pipe 210; after the range hood starts to work, the push rod motor 310 retracts, and the transmission member 400 moves along with the retraction of the push rod motor 310 again to drive the smoke collecting hood 230 to rotate relative to the air guide pipe 210, so that the smoke collecting hood 230 and the air guide pipe 210 are in the same plane, and the smoke collecting mechanism 200 is convenient to store in the fan mechanism 100.

In an optional technical solution of this embodiment, the smoke collecting device includes a fixing base 800;

one end of the push rod motor 310 is fixedly disposed on the inner wall of the air guiding pipe 210 through a fixing seat 800, and the other end is in transmission connection with the transmission member 400 through a connecting block 470.

Specifically, as shown in fig. 4 and 5, the fixing seat 800 is fixedly disposed on the inner wall of the air guiding pipe 210, and the push rod motor 310 is fixed to the inner wall of the air guiding pipe 210 through the fixing seat 800; the push rod motor 310 is fixedly arranged at a position opposite to the inner wall of the air guide pipe 210, so that the stability of the push rod motor 310 driving the smoke collecting hood 230 relative to the rotation process of the air guide pipe 210 is ensured, and the user experience is improved; the push rod motor 310 is fixedly connected with the inner wall of the air guide pipe 210 through the fixing seat 800, so that the push rod motor 310 is prevented from rubbing against the inner wall of the air guide pipe 210 in the process that the push rod motor 310 drives the smoke collecting hood 230 to rotate relative to the air guide pipe 210, and the service lives of the air guide pipe 210, the push rod motor 310 and the range hood are prolonged.

In an optional technical solution of this embodiment, a lifting hole 110 is disposed at the bottom end of the fan mechanism 100; the smoke collecting mechanism 200 extends out of or retracts into the fan mechanism 100 through the lifting hole 110.

Blower mechanism 100 includes a housing including a back plate 120 and a bottom plate 130; the lifting hole 110 is formed at an end of the base plate 130 adjacent to the rear plate 120.

The lifting hole 110 may be disposed at one end of the bottom plate 130 close to the back plate 120, at one end of the bottom plate 130 originally away from the back plate 120, or at the middle portion of the bottom plate 130, specifically disposed as required. In the present application, the lifting hole 110 is disposed at one end of the bottom plate 130 near the rear plate 120, as shown in fig. 1 to 5. The lifting hole 110 is located at one end of the bottom plate 130 close to the back plate 120, and the fan mechanism 100 is mounted on the wall through the back plate 120. When the range hood starts to work, the smoke collecting mechanism 200 extends out of the fan mechanism 100 through the lifting hole 110, the smoke collecting hood 230 rotates relative to the air guide pipe 210 in a direction away from the rear plate 120, a certain space exists between the smoke collecting hood 230 and the bottom plate 130, the space volume of the range hood is visually reduced, and the experience of a user when using the range hood is improved.

In an optional technical solution of this embodiment, the smoke collecting device further includes a sensor 600 and a controller; the sensor 600 is arranged on the smoke collecting device, and the controller receives signals of the sensor 600 and is used for controlling the lifting of the smoke collecting mechanism 200 and the included angle between the air guide pipe 210 and the smoke collecting cover 230.

Specifically, referring to fig. 7 and 8, when a user uses different cookers, the distance from the cooker to the smoke collecting device is different due to the different sizes of the cookers, and the distance that the smoke collecting mechanism 200 extends out of the fan mechanism 100 is adjusted according to the sizes of the cookers. When the range hood is started, the sensor 600 collects specific information and transmits the information to the controller, and the controller controls the distance of the smoke collection mechanism 200 extending out of the fan mechanism 100 and the relative rotation time of the air guide pipe 210 and the smoke collection cover 230 according to the specific information fed back by the sensor 600, so that the interference between the smoke collection device and a cooker is avoided, and the smoke removal effect of the range hood is ensured.

In an optional technical solution of this embodiment, the sensor 600 includes an image sensor; the image sensor is arranged on the smoke collecting device, and when the smoke collecting device works, the image sensor is positioned right above the smoke collecting area; the image sensor collects gestures of a user and transmits the gestures to the controller, and the controller receives gesture signals and is used for controlling the smoke collecting mechanism 200 to ascend and descend.

Specifically, as shown in fig. 7, the image sensor is disposed on the bottom plate 130 and configured to collect a user gesture, and then transmit the user gesture to the controller, and the controller receives a gesture signal to control the smoke collection mechanism 200 to extend out or be accommodated in the blower mechanism 100 at a proper time. When the range hood of the application is used for the first time, a gesture information base can be established, user gesture information is conveniently collected, and the timing when the smoke collection mechanism 200 extends out or is stored in the fan mechanism 100 is better controlled. Because in the culinary art process, most of the circumstances is that the palm deviates from fan mechanism 100 and is operating, in order to prevent to touch by mistake in the operation process, gather user's gesture information, can upwards regard the palm as the information point to go to gather, improve image sensor and gather the accuracy of gesture information, promote user experience.

In an optional technical solution of this embodiment, the sensor 600 further includes a distance sensor;

the distance sensor is arranged on the smoke collection mechanism 200, and when the smoke collection device works, the distance sensor is positioned right above the smoke collection area; the distance sensor collects the distance between the cooking bench and the smoke inlet and transmits the distance to the controller, and the controller receives a distance signal and is used for controlling the included angle between the air guide pipe 210 and the smoke collecting hood 230.

Specifically, as shown in fig. 8, the distance sensor is disposed on the smoke collecting cover 230 at a side where the smoke inlet is disposed, the distance sensor collects a distance between the cooker and the smoke inlet, and transmits distance information to the controller, and the controller receives the distance signal to control the length of the smoke collecting mechanism 200 extending out of the fan mechanism 100, that is, to control the distance between the smoke collecting mechanism 200 and the cooker, and to control a time when the smoke collecting cover 230 rotates and a rotating angle relative to the air guide duct 210. The height from the smoke inlet to the bottom of the cooker is kept at 400mm, meanwhile, the height between the smoke inlet and the top of the cooker is 200mm, oil smoke can be diffused due to too high height, the smoke removal effect cannot be guaranteed, and the smoke collecting hood 230 and the cooker can interfere with each other due to too low height, so that the operation of a user is influenced.

The distance measurement of the specific distance sensor is set as follows: detecting the distance by a distance sensor to form a cross-sectional line from a point a to a point e, calculating three key points b.h1.d according to the point a to the point e, wherein the point b and the point d are points captured after the distance sensor identifies that the distance to the left side and the right side has a large difference, the point h1 is a point which identifies the vertical distance by the fact that the distance between the point b and the point d is less than the point h1, calculating an angle X through the point b and the point d, and further calculating the value of h 1; subtracting h1 from the original default height C1 to obtain the height of the cooker height h3, and adaptively adjusting the height interval of the smoke collecting hood 230 according to the height h2 to achieve an adaptive optimal smoke control area; in the application, the default height C1 is set to be 400mm, the h2 height self-adaptively adjusts the height interval of the smoke collecting hood 230 to be 200mm through calculation, the known included angle X and two sides b and d of an isosceles triangle are used for solving the height of h1, and the height of 200mm is increased to be the self-adaptive optimal smoke control height after the default height 400mm subtracts h 1; the formula is c2 ═ c1- { b × cos (X/2) } + 200. Wherein; c2 is the adaptive smoke height, as shown in fig. 10, c1 is the original default height, as shown in fig. 9, b is the isosceles length, X is the isosceles included angle, and 200 is the optimal distance between the top of the cooker and the smoke collecting cavity.

The arrangement positions and the arrangement quantity of the distance sensors and the image sensors can be slightly adjusted according to different forms of leveling, so that the purposes of putting out signals and transmitting the signals to the controller can be achieved, and the self-adaptive function of the range hood is further realized.

The range hood provided by the utility model comprises a smoke collecting device. The distance sensor and the image sensor acquire information and transmit the information to the controller, and the controller controls the lifting of the smoke collecting mechanism 200 and the included angle between the air guide pipe 210 and the smoke collecting hood 230, so that the purposes of the range hood, the self-adaptive smoke collecting area and the smoke inlet being positioned right above the cooker are achieved, and the smoke removing effect of the range hood is ensured.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (18)

1. An extractor hood device, comprising: the smoke collection device comprises a fan mechanism (100) and a smoke collection mechanism (200), wherein the smoke collection mechanism (200) is movably connected with the fan mechanism (100) and can extend out of or be accommodated in the fan mechanism (100) along the vertical direction;

the smoke collecting mechanism (200) comprises an air guide pipe (210) and a smoke collecting hood (230) which are communicated with each other, wherein the smoke collecting hood (230) is provided with a smoke inlet and can rotate relative to the air guide pipe (210) so as to adjust the smoke collecting hood (230) to be in a horizontal or vertical state.

2. The fume collecting device according to claim 1, wherein the fume collecting mechanism (200) further comprises a folding pipe (220), and two ends of the folding pipe (220) are respectively communicated with the air guide pipe (210) and the fume collecting hood (230).

3. The fume collecting device according to claim 1 or 2, characterized in that said fume collecting mechanism (200) further comprises a drive assembly (240);

the driving assembly (240) is in transmission connection with the smoke collecting hood (230) and is used for driving the smoke collecting hood (230) to rotate relative to the air guide pipe (210).

4. A fume collecting device according to claim 3, characterized in that said driving assembly (240) is arranged inside said air duct (210) and comprises a driving member (300) and a transmission member (400);

the driving piece (300) is respectively connected with the inner wall of the air guide pipe (210) and the driving piece (400), and the driving piece (400) is connected with the inner wall of the smoke collecting hood (230).

5. A smoke collecting device according to claim 4, wherein said transmission member (400) comprises a first engagement member (410), a second engagement member (420) and a turning rod assembly (430);

the first meshing piece (410) is respectively in transmission connection with the second meshing piece (420) and the driving piece (300), the second meshing piece (420) is installed in the air guide pipe (210), and the rotating rod assembly (430) is connected with the second meshing piece (420) and the inner wall of the smoke collecting cover (230).

6. A smoke collecting device according to claim 5, wherein said first engaging member (410) comprises a rack, said second engaging member (420) comprises a gear, said turning rod assembly (430) comprises a first turning rod (431) and a second turning rod (432);

one end of the second rotating rod (432) is rotatably connected with the eccentric position of the gear, the other end of the second rotating rod is rotatably connected with the first rotating rod (431), and the first rotating rod (431) is fixedly connected with the inner wall of the smoke collecting hood (230) and is rotatably connected with a supporting piece (500) arranged in the air guide pipe (210).

7. A smoke collecting device according to claim 6, wherein a connection point of said first turning rod (431) and said second turning rod (432) is located between a connection point of said support member (500) and said gear and a connection point of said first turning rod (431) and an inner wall of said smoke collecting hood (230).

8. The fume extractor according to claim 6, wherein said support (500) further comprises a support base (540) and a support bar (550);

the supporting seat (540) is mounted on the inner wall of the air guide pipe (210), and the gear is mounted on the supporting seat (540);

one end of the supporting rod (550) is fixedly connected with the supporting seat (540), and the other end of the supporting rod is rotatably connected with the first rotating rod (431).

9. A fume collecting device according to claim 6, characterized in that said transmission member (400) comprises a first guide member (450) and a second guide member (460);

the first guide piece (450) is fixedly arranged on the inner wall of the air guide pipe (210), the second guide piece (460) is connected with the first guide piece (450) in a sliding mode and connected with the driving piece (300), and the rack is fixedly arranged on the second guide piece (460).

10. The fume extraction device according to claim 9, wherein said transmission member (400) further comprises a transmission block (440) and a connection block (470);

the connecting block (470) is respectively in transmission connection with the transmission block (440) and the driving piece (300), and the transmission block (440) is fixedly connected with the second guide piece (460).

11. The fume extraction device according to claim 6, wherein said drive member (300) comprises a push rod motor (310);

two ends of the push rod motor (310) are respectively connected with the air guide pipe (210) and the transmission piece (400).

12. The fume collector according to claim 11, characterized in that said fume collector further comprises a holder (800);

one end of the push rod motor (310) is fixedly arranged on the inner wall of the air guide pipe (210) through the fixing seat (800), and the other end of the push rod motor is in transmission connection with the transmission piece (400).

13. The fume collecting device according to claim 1, wherein the bottom end of said fan mechanism (100) is provided with a lifting hole (110);

the smoke collecting mechanism (200) extends out of or retracts into the fan mechanism (100) through the lifting hole (110).

14. The fume collecting device according to claim 13, characterized in that said fan mechanism (100) comprises a housing comprising a back plate (120) and a bottom plate (130);

the lifting hole (110) is arranged at one end of the bottom plate (130) close to the rear plate (120).

15. The fume collecting device according to claim 1, wherein the fume collecting device further comprises a sensor (600) and a controller;

the sensor (600) is arranged on the smoke collecting device, the controller receives signals of the sensor (600) and is used for controlling the lifting of the smoke collecting mechanism (200) and the included angle between the air guide pipe (210) and the smoke collecting hood (230).

16. The fume collecting device according to claim 15, characterized in that said sensor (600) comprises an image sensor;

the image sensor is arranged on the smoke collecting device, and when the smoke collecting device works, the image sensor is positioned right above the smoke collecting area;

the image sensor collects gestures of a user and transmits the gestures to the controller, and the controller receives gesture signals and is used for controlling the smoke collecting mechanism (200) to ascend and descend.

17. The fume collecting device according to claim 16, characterized in that said sensor (600) further comprises a distance sensor (600);

the distance sensor (600) is arranged on the smoke collection mechanism (200), and when the smoke collection device works, the distance sensor (600) is positioned right above the smoke collection area;

the distance sensor (600) collects the distance between the cooking bench and the smoke inlet and transmits the distance to the controller, and the controller receives a distance signal and is used for controlling the included angle between the air guide pipe (210) and the smoke collecting hood (230).

18. A range hood comprising the smoke collection device of any one of claims 1-17.

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