CN212408775U - Range hood with adjustable air inlet angle - Google Patents

Abstract

The present disclosure relates to a range hood with an adjustable air inlet angle. This week lampblack absorber includes: the host comprises a host shell, a fan arranged in the host shell and an electric control box electrically connected with the fan; the upper machine body is arranged below the main machine, the bottom of the machine body of the upper machine body is provided with an upper air inlet, and a shutter structure is arranged in the upper air inlet; the lower machine body is arranged below the upper machine body, the upper machine body and the lower machine body are in an inverted L-shaped structure, and the interior of the lower machine body is communicated with the interior of the upper machine body; the lower machine body is provided with a lower air inlet, and one side of the lower air inlet, which deviates from the lower machine body, is provided with a rotatable main smoke baffle and foldable side smoke baffles positioned on two sides of the main smoke baffle. Through setting up the shutter structure, when the air inlet direction of adjustment air intake, only need control the blade rotation of shutter structure to make the air inlet direction of air intake satisfy user's demand.

Description

Range hood with adjustable air inlet angle

Technical Field

The utility model relates to the technical field of kitchen appliances, especially, relate to smoke ventilator with adjustable air intake angle.

Background

Smoke ventilator is when carrying out the purification of kitchen air, generally all inhales the oil smoke that produces when cooking through the air intake, for the air inlet direction of adjustment air intake, can install the guide plate in the air intake, when opening smoke ventilator, the guide plate can overturn to make the air inlet direction of air intake satisfy user's demand. But the guide plate upset back can make the holistic thickness of lampblack absorber increase to occupy user's operation platform, and the guide plate that the user was easily released when using is collided with the wound, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

To overcome the problems in the related art, the embodiment of the present disclosure provides a range hood with an adjustable air inlet angle. The technical scheme is as follows:

according to a first aspect of the embodiments of the present disclosure, there is provided a range hood with an adjustable air inlet angle, including:

the host comprises a host shell, a fan arranged in the host shell and an electric control box electrically connected with the fan;

the upper machine body is arranged below the main machine, the bottom of the machine body of the upper machine body is provided with an upper air inlet, and a shutter structure is arranged in the upper air inlet;

the lower machine body is arranged below the upper machine body, the upper machine body and the lower machine body are in an inverted L-shaped structure, and the interior of the lower machine body is communicated with the interior of the upper machine body; the lower machine body is provided with a lower air inlet, and one side of the lower air inlet, which deviates from the lower machine body, is provided with a rotatable main smoke baffle and foldable side smoke baffles positioned on two sides of the main smoke baffle.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the smoke ventilator with adjustable air intake angle in this disclosure includes: the host comprises a host shell, a fan arranged in the host shell and an electric control box electrically connected with the fan; the upper machine body is arranged below the main machine, the bottom of the machine body of the upper machine body is provided with an upper air inlet, and a shutter structure is arranged in the upper air inlet; the lower machine body is arranged below the upper machine body, the upper machine body and the lower machine body are in an inverted L-shaped structure, and the interior of the lower machine body is communicated with the interior of the upper machine body; the lower machine body is provided with a lower air inlet, and one side of the lower air inlet, which deviates from the lower machine body, is provided with a rotatable main smoke baffle and foldable side smoke baffles positioned on two sides of the main smoke baffle. Through setting up the shutter structure, when the air inlet direction of adjustment air intake, only need control the blade rotation of shutter structure to make the air inlet direction of air intake satisfy user's demand. And because the narrowness of each blade in the shutter structure, at the rotatory in-process of blade, can not make the holistic thickness of lampblack absorber increase to can not occupy user's operation platform, because the blade is narrower moreover, the user also can not have the potential safety hazard of being collided with the wound by the blade after the rotation when using, thereby has promoted user experience.

In one embodiment, the louver structure includes: a blade and a rotating structure;

the rotating structure is connected with the blades and is used for controlling the blades to rotate;

the electric control box is electrically connected with the rotating structure and used for controlling the rotating structure to rotate.

In one embodiment, the rotating structure includes: a gear;

the end part of each blade is fixed with the gear, and the gears corresponding to two adjacent blades are meshed with each other;

the electric control box is electrically connected with the gear and used for controlling the gear to rotate.

In one embodiment, further comprising: a gear controller;

the electric control box is electrically connected with the gear through the gear controller; and the electric control box sends an instruction to the gear controller to control the working state of the gear.

In one embodiment, the gear face of the gear is perpendicular to the face of the blade.

In one embodiment, the coverage area of the main smoke baffle is smaller than or equal to the area of the lower air inlet.

In one embodiment, further comprising: a push rod motor, a connecting rod and a rotary supporting structure,

the push rod motor is positioned in the host shell, the movement direction of a push rod in the push rod motor is the gravity direction, and the movable end of the push rod in the push rod motor is connected with one end of the connecting rod;

the other end of the connecting rod is connected with one side of the rotary supporting structure;

the other side of the rotary supporting structure is connected with the main smoke baffle plate;

the electric control box is electrically connected with the push rod motor and used for controlling the working state of the push rod motor.

In one embodiment, further comprising: a first support bar and a second support bar;

one end of the first supporting rod is connected with the lower machine body or the upper machine body, the other end of the first supporting rod is hinged to one end of the second supporting rod, and the side wall of the second supporting rod is connected with the main smoke baffle and used for supporting the main smoke baffle to be located at the current rotating position when the main smoke baffle rotates.

In one embodiment, the side smoke barrier comprises: the cigarette blocking device comprises a cigarette blocking fan surface, a plurality of shafts, a first fixing structure and a second fixing structure;

the smoke blocking fan surface is in a fan shape after being unfolded;

the plurality of shafts are arranged along the radial direction of the smoke blocking fan surface and are uniformly distributed in the smoke blocking fan surface;

the plate between the two shafts is folded towards one side close to the lower air inlet;

the first fixing structure and the second fixing structure are respectively arranged at two ends of the smoke blocking fan surface;

the first fixing structure is connected with the main smoke baffle plate;

the second fixing structure is connected with the lower machine body.

In one embodiment, further comprising: a rotating electric machine;

the rotary motor is connected with the main smoke baffle and is used for controlling the main smoke baffle to rotate;

the electric control box is electrically connected with the rotating motor and used for controlling the working state of the rotating motor.

In one embodiment, the rotation angle of the main smoke barrier is less than or equal to 45 degrees.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic structural view illustrating a range hood with an adjustable air inlet angle according to an exemplary embodiment.

Fig. 2 is a bottom view of the upper body shown in accordance with an exemplary embodiment.

Fig. 3 is a bottom view of the upper body shown in accordance with an exemplary embodiment.

Fig. 4 is a bottom view of the upper body shown in accordance with an exemplary embodiment.

Fig. 5 is a bottom view of the upper body shown in accordance with an exemplary embodiment.

FIG. 6 is an elevation view of the lower fuselage shown in accordance with an exemplary embodiment.

FIG. 7 is an elevation view of the lower fuselage shown in accordance with an exemplary embodiment.

FIG. 8 is an elevation view of the lower fuselage shown in accordance with an exemplary embodiment.

Fig. 9a is a bottom view of the upper body shown in accordance with an exemplary embodiment.

Fig. 9b is a bottom view of the upper body shown in accordance with an exemplary embodiment.

FIG. 10 is a side view of a blind structure shown according to an exemplary embodiment.

FIG. 11 is a schematic view of a single blade in a blind structure according to an exemplary embodiment.

FIG. 12 is a side view of a structure showing a single vane in a blind structure according to an exemplary embodiment.

Fig. 13 is a side view of a range hood with adjustable air intake angle shown according to an exemplary embodiment.

Fig. 14 is a side view of a range hood with adjustable air intake angle shown according to an exemplary embodiment.

Fig. 15 is a schematic structural view illustrating first and second support bars in a range hood with an adjustable air inlet angle according to an exemplary embodiment.

Fig. 16 is a schematic view illustrating a connection relationship between a first support bar and a second support bar and a main smoke barrier in a range hood with an adjustable air inlet angle according to an exemplary embodiment.

Fig. 17 is a side view of a range hood with adjustable air intake angle shown according to an exemplary embodiment.

Fig. 18 is a schematic structural view of a side baffle in a range hood with an adjustable air inlet angle according to an exemplary embodiment.

Fig. 19 is a schematic view of a folded smoke barrier of a range hood having an adjustable inlet angle according to an exemplary embodiment.

Fig. 20 is a side view of a range hood with adjustable air intake angle shown in accordance with an exemplary embodiment.

Fig. 21 is a bottom view of the lower body shown in accordance with an exemplary embodiment.

Fig. 22 is a side view of a range hood with adjustable air inlet angle shown according to an exemplary embodiment.

Fig. 23 is a bottom view of a range hood with adjustable air intake angle according to an exemplary embodiment.

Fig. 24 is a front view of a range hood with adjustable air intake angle shown in accordance with an exemplary embodiment.

Fig. 25 is a bottom view of a range hood with adjustable air intake angle according to an exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Fig. 1 is a schematic structural diagram of a range hood with an adjustable air inlet angle according to an exemplary embodiment, as shown in fig. 1, including:

the host 1 comprises a host shell 11, a fan 12 arranged in the host shell 11 and an electric control box 13 electrically connected with the fan 12;

the upper machine body 22 is arranged below the main machine 1, the bottom of the machine body of the upper machine body 2 is provided with an upper air inlet 21, and the upper air inlet 21 is internally provided with a shutter structure 22.

The position of the upper air inlet 21 arranged in the upper machine body 2 can be located at any position of the bottom of the machine body of the upper machine body 2, and the disclosure does not limit the position, and of course, the number of the upper air inlets 21 arranged in the upper machine body 2 is not limited by the disclosure, and can be 1, 2 or 3. Fig. 2 is a bottom view of the upper body 2 according to an exemplary embodiment, and as shown in fig. 2, 1 upper intake opening 21 may be provided at a central position of the bottom of the upper body; fig. 3 is a bottom view of the upper body according to an exemplary embodiment, and as shown in fig. 3, 2 upper intake ports 21 may be provided at the bottom of the upper body.

Fig. 4 is a bottom view of the upper body according to an exemplary embodiment, and as shown in fig. 4, 3 upper air inlets 21 may be provided at the bottom of the upper body 2, which are: a first main intake vent 211, a second sub-intake vent 212, and a third sub-intake vent 213;

the first main air inlet 211 is positioned in the middle of the upper machine body 2;

the second sub air inlet 212 is positioned at one end of the upper machine body 2 close to the lower machine body 3;

the third sub intake vent 213 is located at an end of the upper body 2 opposite to the second sub intake vent 212.

It should be noted that the louver structure 22 may be disposed in any combination of the upper air inlets 21, and taking fig. 4 as an example, the louver structure 22 may be disposed in the first main air inlet 211; or the louver structure 22 is arranged in the second sub air inlet 212; or the louver structure 22 is arranged in the third sub-air inlet 213; or the louver structures 22 are arranged in the first main air inlet 211 and the second sub air inlet 212; or the louver structures 22 are arranged in the second main air inlet 212 and the third sub air inlet 213; or the louver structures 22 are disposed in both the first main intake vent 211 and the third sub intake vent 213. The louver structures 22 may be disposed in all the upper intake ports 21, and in fig. 4, the louver structures 22 may be disposed in the first main intake vent 211, the second main intake vent 212, and the third sub-intake vent 213.

When a plurality of blind structures 22 are provided, each blind structure 22 may be controlled independently or simultaneously, and the present disclosure is not limited thereto.

In order to more clearly explain the positional relationship of the upper intake opening 21, fig. 2 to 4 just show the upper intake opening 21 and do not show the louver structure 22.

Through setting up shutter structure 22, when the air inlet direction of adjustment air intake, only need control shutter structure 22's blade 221 rotatory to make the air inlet direction of air intake satisfy user's demand. And because each blade 221 in shutter structure 22 is narrower, in the rotatory in-process of blade 221, can not make the holistic thickness of lampblack absorber increase to can not occupy user's operation platform, because blade 221 is narrower moreover, the user also can not have the potential safety hazard of being gouged by the blade 221 after the rotation when using, thereby has promoted user experience.

The lower machine body 3 is arranged below the upper machine body 2, the upper machine body 2 and the lower machine body 3 are in an inverted L-shaped structure, and the interior of the lower machine body 3 is communicated with the interior of the upper machine body 2; the lower machine body 3 is provided with a lower air inlet 31, one side of the lower air inlet 31, which is far away from the lower machine body 3, is provided with a rotatable main smoke baffle 32 and foldable side smoke baffles 33 positioned at two sides of the main smoke baffle 32; the lower air inlet 31 is located on a side of the lower body 3 facing the user.

When the range hood works, the electric control box 13 controls the fan 12 to operate, so that oil smoke is sucked through the lower air inlet 31 and/or the upper air inlet 21, and the purpose of smoke exhaust is achieved.

The position of the lower air inlet 31 disposed in the lower body 3 may be located at any position of one surface of the lower body 3 facing the user, which is not limited by the present disclosure, and of course, the number of the lower air inlets 31 disposed in the lower body 3 is not limited by the present disclosure, and may be 1, 2 or 3. Fig. 5 is a front view of the lower body according to an exemplary embodiment (the main smoke barrier 32 and the side smoke barrier 33 are not shown in fig. 5), and as shown in fig. 5, the lower intake vent 31 is located at a middle position of the lower body 3; fig. 6 is a front view of the lower body according to an exemplary embodiment (the main smoke barrier 32 and the side smoke barrier 33 are not shown in fig. 6), and as shown in fig. 6, the lower intake vent 31 is located at an upper position of the lower body 3, that is, at a position near the upper body 2 in the lower body 3.

For example, as the lower air inlet 31 of the range hood is closer to the cooking utensil, the oil smoke is easier to be sucked and exhausted, therefore, the lower air inlet 31 of the range hood is located at the lower position of the lower body 3 as much as possible, so that the lower air inlet 31 is close to the cooking utensil, and preferably, the lower air inlet 31 is located on the side of the whole lower body 3 facing the user.

Fig. 7 is a front view of the lower body according to an exemplary embodiment, and as shown in fig. 7, in order to improve the suction and exhaust effects of the hood, the coverage area of the main smoke barrier 32 is smaller than or equal to the area of the lower intake vent 31.

The area of air intake 31 is less than or equal to through the area of setting up the main area of keeping off cigarette board 32 to when having the small amount oil smoke, need not to open main area of keeping off cigarette board 32, main area of keeping off cigarette board 32 closure this moment, the oil smoke can be through the lower air intake 31 that exposes inside 3 fuselages down, thereby when having the small amount oil smoke, need not to open main area of keeping off cigarette board 32 also can effectual suction row.

In one implementation, the length of the second side or the third side of the main smoke baffle 32 may be set to be less than or equal to the length of the corresponding edge of the lower air inlet 31.

To illustrate the present disclosure more clearly, the length of the second or third side of the main smoke barrier 32 is referred to as the width of the main smoke barrier 32, and the length of the other two sides is referred to as the length of the main smoke barrier 32.

The width through setting up main cigarette board 32 is less than the width of air intake 31 down to when main cigarette board 32 closed, lower air intake 31 is not sheltered from completely, and at this moment, the oil smoke just can be followed the lower air intake 31 that exposes and inhaled fuselage 3 inside down, thereby when having the small amount oil smoke, need not to open main cigarette board 32 and also can effectual suction and exhaust.

Further, the shape of the lower air inlet 31 disposed in the lower body 3 may be adjusted according to actual requirements, and the present disclosure does not limit the shape of the lower air inlet 31, for example: may be shaped as shown in fig. 5 or fig. 6, or may be shaped as shown in fig. 8.

The shapes of the upper body 2 and the lower body 3 may also be referred to as "7" shapes.

The first side surface of the main smoke baffle 32 is arranged at the upper side of the lower air inlet 31 through a rotating shaft;

the second side and the third side of the main smoke baffle 32 are respectively provided with a side smoke baffle 33, the surface of the side smoke baffle 33 is of a foldable structure, and the second side and the third side are two opposite sides of the main smoke baffle 32; the main smoke barrier 32 can rotate around the rotation axis to fold and unfold the side smoke barriers 33.

The main cigarette board 32 and two side cigarette boards 33 have constituted and have held together the cigarette structure, when the main cigarette board 32 rotation was opened in order to drive with two side cigarette boards 33's face expandes, this structure can be gathered together the inside oil smoke of fuselage 3 down that gets into from air intake 31 down in the main cigarette board 32 and two side cigarette boards 33 enclosed gather together the structure, the oil smoke can not outwards loss to smoke ventilator's suction effect has been promoted.

In one implementation, to improve the blocking effect of the main smoke barrier 32 on the oil smoke, the rotation angle of the main smoke barrier 32 is less than or equal to 45 degrees. That is, the angle between the width direction of the main smoke barrier 32 and the gravity direction is less than or equal to 45 degrees.

In the related art, only one main smoke baffle 32 is provided, so that the oil smoke generated during cooking is blocked by the main smoke baffle 32 during the rising process, and is sucked into the lower body 3 through the lower air inlet 31 below the main smoke baffle 32, but during the sucking process, the oil smoke is outwards dissipated from the open structures at the two sides because the two sides of the main smoke baffle 32 are open structures, so that the smoke exhausting effect is poor, in the disclosure, the side smoke baffles 33 are respectively arranged at the two sides of the main smoke baffle 32, so that the two sides of the main smoke baffle 32 are changed into closed structures, and the oil smoke generated during cooking is blocked by the main smoke baffle 32 during the rising process, so that the lower body 3 is sucked into the lower body 3 through the lower air inlet 31 below the main smoke baffle 32, and during the sucking process, because the two sides of the main smoke baffle 32 are closed structures, the oil smoke is not outwards dissipated from the closed structures at the two sides, the smoke exhaust effect is improved, and the user experience is further improved.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the smoke ventilator with adjustable air intake angle in this disclosure includes: the host comprises a host shell, a fan arranged in the host shell and an electric control box electrically connected with the fan; the upper machine body is arranged below the main machine, the bottom of the machine body of the upper machine body is provided with an upper air inlet, and a shutter structure is arranged in the upper air inlet; the lower machine body is arranged below the upper machine body, the upper machine body and the lower machine body are in an inverted L-shaped structure, and the interior of the lower machine body is communicated with the interior of the upper machine body; the lower machine body is provided with a lower air inlet, and one side of the lower air inlet, which deviates from the lower machine body, is provided with a rotatable main smoke baffle and foldable side smoke baffles positioned on two sides of the main smoke baffle. Through setting up the shutter structure, when the air inlet direction of adjustment air intake, only need control the blade rotation of shutter structure to make the air inlet direction of air intake satisfy user's demand. And because the narrowness of each blade in the shutter structure, at the rotatory in-process of blade, can not make the holistic thickness of lampblack absorber increase to can not occupy user's operation platform, because the blade is narrower moreover, the user also can not have the potential safety hazard of being collided with the wound by the blade after the rotation when using, thereby has promoted user experience.

The present disclosure also provides another range hood, in which the lower air inlet 31 does not need to be provided with the main smoke baffle 32 and the side smoke baffle 33, at this time, the schematic diagram of the upper air inlet 21 in the upper body 2 is shown in fig. 4, the schematic diagram of the lower air inlet 31 in the lower body 3 is shown in fig. 7, the lower air inlet 31 is used as the main air inlet, and the air inlet area is the largest; the upper air inlet 21 in the middle of the upper machine body 2 is used as an auxiliary air inlet for assisting in absorbing oil smoke, and the air inlet area is smaller than that of the lower air inlet 31; the upper air inlets 21 arranged at the two sides in the upper machine body 2 have the smallest area and mainly function in forming an air curtain to assist in sucking and exhausting oil smoke; when a user cooks, especially fries quickly, a large amount of oil smoke can be generated, and a mode of sucking and exhausting oil smoke step by step can be adopted: firstly, when a large amount of oil smoke rises, most of the oil smoke is sucked and exhausted through the lower air inlet 31, a part of the oil smoke continues to rise due to the fact that no baffle plate is arranged on the upper edge of the lower air inlet 31, and at the moment, the upper air inlet 21 in the middle of the upper machine body 2 sucks and exhausts the part of the oil smoke; when the generated oil smoke is too large, part of the oil smoke cannot be sucked and exhausted by the upper air inlet 21 in the middle position of the upper machine body 2 due to reasons such as interference, and at this time, the part of the oil smoke can be completely sucked and exhausted due to the fact that the upper air inlets 21 arranged at the two sides of the upper machine body 2 form an air curtain; that is, during ordinary cooking, less oil smoke is generated at this time, and the oil smoke is sucked and exhausted mainly by the lower air inlet 31, so that the oil smoke can be exhausted completely. The oil smoke is sucked and exhausted by the three-step method, so that the air suction efficiency of the range hood can be improved, and the oil smoke is prevented from leaking to a kitchen space. The range hood can also have the function of removing kitchen odor, and when the range hood is used for removing the kitchen odor, the range hood is mainly used for sucking and exhausting through the lower air inlet 31 and the upper air inlet 21 in the middle of the machine body. In order to achieve a reliable suction and exhaust effect, the vertical distance between the upper edge of the lower air inlet 31 and the bottom of the upper machine body 2 may be 20-30 cm. In this embodiment, the areas and structures of the respective lower air intakes 31 and the respective upper air intakes 21 may be modified and adjusted according to actual demands and manufacturing equipment.

Fig. 9a is a bottom view of an upper body shown according to an exemplary embodiment, fig. 10 is a side view of a blind structure shown according to an exemplary embodiment, fig. 11 is a schematic structural view of a single blade in the blind structure shown according to an exemplary embodiment, and as shown in fig. 9a-11, the blind structure 22 includes: the blades 221 and the rotating structure 222;

the rotating structure 222 is connected with the blade 221 and is used for controlling the rotation of the blade 221;

the electrical control box 13 is electrically connected to the rotating structure 222 for controlling the rotating structure 222 to rotate.

Each blade 221 can be connected with the rotating structure 222, so that the purpose of controlling the rotation of the blade 221 through the rotating structure 222 is achieved, a transmission mechanism can be arranged between the blades 221, so that only the rotating structure 222 is connected with one of the blades 221, the blade 221 is driven by the rotating structure 222 to rotate, and the power provided by the rotating structure 222 is transmitted to the other blades 221 through the transmission mechanism, so that the other blades 221 can also achieve the purpose of rotating.

Through setting up rotating-structure 222, can control the rotation angle of blade 221, finally make the air inlet angle of going up air inlet 21 satisfy user's different demands, effectively promoted user experience.

In practical applications, the direction of the vane 221 is not limited to the direction shown in fig. 9a, but may be other directions, such as: the orientation shown in fig. 9 b.

The rotating structure 222 may be disposed at only one end of the blade 221, or may be disposed at both ends of the blade 221, which is not limited in this disclosure.

The rotating structure 222 may be disposed at only one end of the blade 221, or may be disposed at both ends of the blade 221, which is not limited in this disclosure.

FIG. 12 is a side view of a structure of a single blade in a blind structure according to an exemplary embodiment, as shown in FIG. 12, a rotation structure 222 includes: gear 2221;

the end of each blade 221 is fixed with a gear 2221, and the gears 2221 corresponding to two adjacent blades 221 are meshed with each other;

the electronic control box 13 is electrically connected to the gear 2221 and is used for controlling the gear 2221 to rotate.

Since the rotation of one of the gears 2221 in the gears 2221 engaged with each other will drive the rotation of the other gears 2221 to achieve the purpose of transmitting things and things, in the present disclosure, the gear 2221 is disposed at the end of each blade 221, and the gears 2221 corresponding to two adjacent blades 221 are engaged with each other; the electric control box 13 is electrically connected to the gears 2221, and is used for controlling the gears 2221 to rotate, when the electric control box 13 is connected to one of the gears 2221, the electric control box 13 controls one of the gears 2221 to rotate, and the gear 2221 drives the other gears 2221 to rotate, so that the purpose of controlling the rotation of the blade 221 is achieved.

In one embodiment, as shown in fig. 9a, further comprising: a gear controller 223;

the electric control box 13 is electrically connected with the gear 2221 through the gear controller 223; the electronic control box 13 sends instructions to the gear controller 223 to control the operating state of the gear 2221.

During operation, the electronic control box 13 sends a corresponding command to the gear controller 223 to make the gear controller 223 control the gear 2221 to rotate, for example: the electronic control box 13 sends a first instruction to the gear controller 223, the first instruction instructs the gear controller 223 to control the gear 2221 to rotate clockwise, and after the gear controller 223 receives the first instruction, the gear 2221 is controlled to rotate clockwise according to the first instruction; the electric control box 13 sends a second instruction to the gear controller 223, the second instruction instructs the gear controller 223 to control the gear 2221 to rotate counterclockwise, and after the gear controller 223 receives the first instruction, the gear 2221 is controlled to rotate counterclockwise according to the second instruction; the electronic control box 13 sends a third instruction to the gear controller 223, the third instruction instructs the gear controller 223 to control the gear 2221 to stop rotating, and when the gear controller 223 receives the third instruction, the gear 2221 is controlled to stop rotating according to the third instruction.

In the above embodiments, in order to achieve reliable rotation of the gear 2221, the face of the gear 2221 is perpendicular to the face of the blade 221.

In one embodiment, as shown in fig. 13, the range hood further includes: an oil cup 34;

an oil cup 34 is located in the lower body 3 at the end facing away from the upper body 2.

Range hood often can deposit the oil stain, consequently, can set up oil cup 34 bottom range hood, after range hood deposit oil stain, the oil stain can fall into in oil cup 34 under the effect of gravity to avoided the oil stain to drop on top of a kitchen range or gas-cooker, effectively promoted user experience.

In one embodiment, as shown in fig. 14, the method further includes: a push rod motor 4 and a connecting rod 5,

the push rod motor 4 is positioned in the host shell 11, the moving direction of a push rod in the push rod motor 4 is the gravity direction, and the movable end of the push rod in the push rod motor 4 is connected with one end of the connecting rod 5;

the other end of the connecting rod 5 is connected with the main smoke baffle 32;

the electric control box 13 is electrically connected with the push rod motor 4 and is used for controlling the working state of the push rod motor 4.

Set up the push rod in the push rod motor 4, push rod motor 4 can control the push rod to carry out flexible linear motion at the during operation, in this disclosure, drives the rotation that the owner kept off cigarette board 32 through setting up push rod motor 4 and connecting rod 5, and the expansion end of push rod is connected with the one end of connecting rod 5 in the push rod motor 4, and the other end of connecting rod 5 is connected on the owner keeps off cigarette board 32. When the range hood works, the push rod motor 4 works to control the push rod to extend downwards and move linearly, at the moment, the push rod can drive the connecting rod 5 to move forwards (namely, move towards a user), the connecting rod 5 can drive the main smoke baffle 32 to rotate in a direction back to the lower air inlet 31, so that the main smoke baffle 32 is opened, meanwhile, the main smoke baffle 32 drives the side smoke baffles 33 on the two sides to be opened, when the main smoke baffle 32 rotates to a preset angle, the push rod motor 4 stops working, and oil smoke enters the range hood through the lower air inlet 31 (cover suction) and is discharged out of the range hood through the fan 12; when the cigarette stopping device stops working, the push rod motor 4 controls the push rod to shorten and move linearly, the connecting rod 5 is driven to contract, the connecting rod 5 drives the main cigarette blocking plate 32 to rotate towards the direction close to the lower air inlet 31, and meanwhile, the side cigarette blocking plates 33 on the two sides of the main cigarette blocking plate 32 are folded until the main cigarette blocking plate 32 returns to the initial state.

When the area of the main smoke barrier 32 is large, the main smoke barrier 32 and the side smoke barrier 33 can be reliably rotated by arranging the push rod motor 4 and the connecting rod 5.

In one embodiment, as shown in fig. 14, in order to further enhance the reliable rotation of the main smoke barrier 32 and the side smoke barrier 33, the range hood further comprises: a rotating support structure 6;

one side of the rotary support structure 6 is connected with the main smoke barrier 32, and the other side of the rotary support structure 6 is connected with the other end of the connecting rod 5.

Through setting up rotatory bearing structure 6, can be more nimble reliable realization main cigarette board 32 and the opening and shutting and the support of side cigarette board 33.

Because the rotary supporting structure 6 is connected with the push rod in the push rod motor 4 through the connecting rod 5, when the rotary supporting structure is working, the push rod motor 4 works to control the push rod to extend downwards and move linearly, at the moment, the push rod can drive the connecting rod 5 to move forwards (namely, move towards a user), the connecting rod 5 can drive the rotary supporting structure 6 to move towards the user, and the rotary supporting structure 6 can drive the main smoke baffle 32 to rotate towards the direction away from the lower air inlet 31, so that the main smoke baffle 32 is opened, meanwhile, the main smoke baffle 32 drives the side smoke baffles 33 at two sides to be opened, when the main smoke baffle 32 rotates to a preset angle, the push rod motor 4 stops working, and oil smoke enters the range hood through the lower air inlet 31 (cover suction) and is discharged outdoors through the fan 12; when the cigarette stopping device stops working, the push rod motor 4 controls the push rod to shorten and move linearly, the connecting rod 5 is driven to contract, the connecting rod 5 drives the rotary supporting structure 6 to move in the direction away from a user, so that the main cigarette blocking plate 32 is driven to rotate in the direction close to the lower air inlet 31, and meanwhile, the side cigarette blocking plates 33 on the two sides of the main cigarette blocking plate 32 are folded until the main cigarette blocking plate 32 returns to the initial state.

Because the rotary supporting structure 6 can not only drive the main smoke baffle 32 to rotate, but also can support the main smoke baffle 32 in the rotating process of the main smoke baffle 32 and rotate to a preset position, the rotary supporting structure 6 can improve the reliability of the rotation of the main smoke baffle 32.

In one embodiment, as shown in fig. 14-16, further comprising: a first support bar 71 and a second support bar 72;

one end of the first supporting rod 71 is connected to the lower body 3 or the upper body 2, the other end of the first supporting rod 71 is hinged (e.g., hinged by a bolt) to one end of the second supporting rod 72, and a side wall of the second supporting rod 72 is connected to the main smoke barrier 32 (as shown in fig. 16) for supporting the main smoke barrier 32 in a current rotation position when the main smoke barrier 32 rotates.

The side wall of the second support bar 72 supports the main smoke baffle 32, and the area of the side wall of the second support bar 72 is larger, so that the support is more reliable.

In one embodiment, as shown in fig. 17-18, the side smoke barrier 33 comprises: a smoke blocking sector 331 and a plurality of shafts 332;

the smoke blocking fan surface 331 is fan-shaped after being unfolded;

the plurality of shafts 332 are arranged in the radial direction of the smoke blocking fan surface 331.

The smoke blocking fan surface 331 of the side smoke blocking plate 33 may be flexible or rigid, and the present disclosure is not limited thereto, and the structure thereof is similar to that of a folding fan used in our daily life, and can be folded (as shown in fig. 19) and unfolded.

This patent adopts the principle of folding fan or hinge, shelters from main cigarette board 32 both sides air inlet for the air inlet is only followed a direction air inlet in front. When the range hood is opened, the main smoke baffle 32 is opened, and the side smoke baffles 33 are also opened, so that the oil smoke generated during cooking only enters the range hood from one direction at the front side, and is discharged outdoors through the fan 12, and the smoking efficiency is improved.

In one embodiment, as shown in fig. 17-18, the plurality of shafts 332 are evenly distributed in the smoke blocking sector 331.

In one embodiment, as shown in fig. 17-18, the two ends of the smoke blocking fan surface 331 are respectively provided with a first fixing structure 333 and a second fixing structure 334;

the first attachment structure 333 is connected to the primary smoke barrier 32;

the second fixing structure 334 is connected to the lower body 3.

In order to reliably fix the side smoke baffle 33 and the range hood, a first fixing structure 333 and a second fixing structure 334 are respectively arranged at two ends of the smoke baffle sector 331, and the first fixing structure 333 is connected with the main smoke baffle 32; the second fixing structure 334 is connected to the lower body 3.

In one embodiment, in order to avoid the side smoke barrier 33 from affecting the overall aesthetic effect of the range hood after being folded, as shown in fig. 20 and 21, the panel between the two shafts 332 is folded toward the side close to the lower air inlet 31, so that when the main smoke barrier 32 is closed, the folded side smoke barrier 33 is located below the main smoke barrier 32 and is covered by the main smoke barrier 32, so that the side smoke barrier 33 is not exposed outside, the aesthetic effect of the range hood is effectively improved, and because the side smoke barrier 33 is received below the main smoke barrier 32, the problem that the exposed smoke barrier sector 331 of the side smoke barrier 33 is damaged can be avoided.

In one implementation, as shown in fig. 22-24, the above-mentioned rotation state of the main smoke barrier 32 can also be realized by a rotating motor 35, in which case the rotating motor is connected with the main smoke barrier 32; used for controlling the rotation of the main smoke baffle 32, and the electric control box 13 is electrically connected with the rotating motor and used for controlling the working state of the rotating motor.

The working principle of the rotating motor is similar to that in the related art, and the connection mode of the rotating motor and the main smoke baffle 32 is also similar to that in the related art, and the description is omitted here.

In one implementation, as shown in fig. 25, when the upper body 2 is provided with one upper air inlet 21, two louver structures 22, 22a and 22b respectively, may be provided, the sizes of the upper air inlets 21 corresponding to the two louver structures 22 are the same, and the two louver structures 22 are separately controlled and correspond to the cooking range of the gas stove placed below the range hood; when the upper body 2 is provided with two upper air inlets 21, a louver structure 22 may be respectively disposed in each upper air inlet 21, wherein one air inlet is 22a, and the other air inlet is 22 b.

The working process of the range hood of the present disclosure is described in detail by the embodiments below.

Air intake 31 under main cigarette board 32 shelters from completely, and the area of air intake 31 is less down, and smoke ventilator in this disclosure can set up three kinds of mode, is respectively: a common cooking mode, a quick frying mode and a ventilation mode, when the machine is started, the smoke exhaust ventilator is automatically in the common cooking mode, because the oil smoke generated by the common cooking is small in volume and slow in flow speed, the lower air inlet 31 has better oil smoke suction and exhaust effect and high exhaust efficiency, the oil smoke is sucked into the range hood through the lower air inlet 31 and is exhausted out of the room through the fan 12, in the ordinary cooking mode, the main smoke baffle 32 is controlled to open the lower air inlet 31 and the rotary shutter is controlled to close the upper air inlet 21, and specifically, after the ordinary cooking mode is selected, the push rod motor 4 works, the push rod extends and moves linearly to drive the connecting rod 5 to move forwards, the connecting rod 5 drives the rotary supporting structure 6 to rotate so as to drive the main smoke baffle 32 to rotate, meanwhile, the side smoke baffle 33 is opened, and when the main smoke baffle 32 rotates 45 degrees, the main smoke baffle stops, and oil smoke enters the range hood through the lower air inlet 31 and is discharged out of the room through the fan 12; after the user closes the range hood, the push rod motor 4 moves, the push rod is shortened and moves linearly to drive the connecting rod 5 to contract, the connecting rod 5 drives the rotary supporting structure 6 to rotate so as to drive the main smoke baffle 32 to start rotating, and meanwhile, the side smoke baffle 33 is folded until the main smoke baffle 32 returns to the initial state; or, after the ordinary cooking mode is selected, the rotating motor directly controls the main smoke baffle 32 to be opened, meanwhile, the side smoke baffle 33 is opened, when the main smoke baffle 32 rotates 45 degrees, the main smoke baffle stops rotating, and the oil smoke enters the range hood through the lower air inlet 31 and is discharged out of the room through the fan 12; after the user closes the range hood, the rotating motor directly controls the main smoke baffle 32 to close until the main smoke baffle 32 returns to the initial state; when a user selects a quick-frying mode, because the oil smoke generated during quick-frying is large in volume and high in flow speed, the oil smoke is sucked into the range hood through the upper air inlet 21 and is exhausted out of the room through the fan 12, the lower air inlet 31 is closed by controlling the main smoke blocking plate 32 and the upper air inlet 21 is opened by controlling the rotary shutter under the quick-frying mode, and the direction of the blades 221 can be adjusted based on the requirement of the user on the air inlet angle in the process of opening the shutter; specifically, after the stir-frying mode is selected, the blade 221 is controlled to rotate to open the upper air inlet 21, and the oil smoke enters the range hood through the upper air inlet 21 and is discharged out of the room through the fan 12; after the user closes the range hood, the blade 221 is controlled to rotate to close the upper air inlet 21; when a user selects a ventilation mode, the ventilation mode is mainly used for discharging peculiar smell in a kitchen, at this time, the opening efficiency of the upper air inlet 21 and the lower air inlet 31 is higher, air enters the inside of the range hood through the upper air inlet 21 and the lower air inlet 31 and is discharged to the outside through the fan 12, therefore, in the ventilation mode, the main smoke baffle 32 is controlled to open the lower air inlet 31, the rotary shutter is controlled to open the upper air inlet 21, in the process of opening the shutter, the direction of the blades 221 can be adjusted based on the requirement of the user on the air inlet angle, specifically, after the ventilation mode is selected, the push rod motor 4 works, the push rod extends and linearly moves to drive the connecting rod 5 to move forwards, the connecting rod 5 drives the rotary supporting structure 6 to rotate to drive the main smoke baffle 32 to rotate, and simultaneously, the side smoke baffle 33 is opened, or the rotary motor directly controls the main smoke baffle 32 to open and simultaneously, when the main smoke baffle 32 rotates 45 degrees, the smoke stops, enters the range hood through the lower air inlet 31 and is discharged out of the room through the fan 12; the blades 221 are controlled to rotate to open the upper air inlet 21, and the oil smoke enters the range hood through the upper air inlet 21 and is discharged out of the room through the fan 12; after the user closes the range hood, the push rod motor 4 moves, the push rod is shortened and moves linearly to drive the connecting rod 5 to contract, the connecting rod 5 drives the rotating support structure 6 to rotate so as to drive the main smoke baffle 32 to start rotating, and meanwhile, the side smoke baffle 33 is folded until the main smoke baffle 32 returns to the initial state, or the rotating motor directly controls the main smoke baffle 32 to close until the main smoke baffle 32 returns to the initial state; the control vane 221 rotates to close the upper intake port 21.

Different air inlet modes are designed according to different cooking working condition requirements of users, air suction efficiency of the range hood is greatly improved, and probability of oil smoke leakage outwards is reduced.

Air intake 31 under main cigarette board 32 does not shelter from completely, and when air intake 31's area is great down, smoke ventilator in this disclosure can set up three kinds of mode, is respectively: the range hood comprises a common cooking mode, a quick frying mode and a ventilation mode, wherein in the common cooking mode, a main smoke baffle 32 is closed, but a lower air inlet 31 is partially exposed outside the main smoke baffle 32, so that oil smoke mainly enters the interior of the range hood from the lower air inlet 31 (equivalent to a near suction mode) and is then discharged out of a room through a fan 12, and in the common cooking mode, a rotary shutter can be controlled to open an upper air inlet 21, in the process of opening the shutter, the direction of blades 221 can be adjusted according to the requirement of a user on an air inlet angle, at the moment, part of the oil smoke can enter the interior of the range hood through the upper air inlet 21 and is discharged out of the room through the fan 12, and specifically, the blades 221 are controlled to rotate to open the upper air inlet 21, so that the oil smoke enters the range hood through the upper air inlet 21 and is discharged out of the room through; after the user closes the hood, the control vane 221 rotates to close the upper intake port 21. In the stir-frying mode, the main smoke baffle 32 is opened, and the oil smoke mainly enters the interior of the range hood through the lower air inlet 31 (equivalent to a cover suction mode), specifically, the push rod motor 4 works, the push rod extends and moves linearly to drive the connecting rod 5 to move forwards, the connecting rod 5 drives the rotary supporting structure 6 to rotate so as to drive the main smoke baffle 32 to rotate, and meanwhile, the side smoke baffle 33 is opened, or the rotary motor directly controls the main smoke baffle 32 to be opened, and meanwhile, the side smoke baffle 33 is opened, and when the main smoke baffle 32 rotates 45 degrees, the rotary motor stops, and the oil smoke enters the range hood through the lower air inlet 31 and is exhausted outdoors through the fan 12; after the user closes the range hood, the push rod motor 4 moves, the push rod is shortened and moves linearly to drive the connecting rod 5 to contract, the connecting rod 5 drives the rotating support structure 6 to rotate so as to drive the main smoke baffle 32 to start rotating, and meanwhile, the side smoke baffle 33 is folded until the main smoke baffle 32 returns to the initial state, or the rotating motor directly controls the main smoke baffle 32 to close until the main smoke baffle 32 returns to the initial state; certainly, in the stir-fry mode, the rotary louver can be controlled to open the upper air inlet 21, the direction of the blades 221 can be adjusted based on the requirement of a user on the air inlet angle in the process of opening the louver, at this time, part of oil smoke can enter the range hood through the upper air inlet 21 and is exhausted outdoors through the fan 12, specifically, the blades 221 are controlled to rotate to open the upper air inlet 21, and the oil smoke enters the range hood through the upper air inlet 21 and is exhausted outdoors through the fan 12; after the user closes the range hood, the blade 221 is controlled to rotate to close the upper air inlet 21; in the ventilation mode, the main smoke barrier 32 is controlled to open the lower air inlet 31, and the rotary shutter is controlled to open the upper air inlet 21.

It should be noted that the main smoke barrier 32 in the present disclosure may be rotated to any angle and fixed at the angle, and the angle of the above-mentioned stir-fry mode may be 45 degrees, for example only, or 30 degrees, etc., and the angle may also be automatically selected according to the preference of the user, which is not limited by the present disclosure.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (11)

1. The utility model provides a smoke ventilator with adjustable air intake angle which characterized in that includes:

the host comprises a host shell, a fan arranged in the host shell and an electric control box electrically connected with the fan;

the upper machine body is arranged below the main machine, the bottom of the machine body of the upper machine body is provided with an upper air inlet, and a shutter structure is arranged in the upper air inlet;

the lower machine body is arranged below the upper machine body, the upper machine body and the lower machine body are in an inverted L-shaped structure, and the interior of the lower machine body is communicated with the interior of the upper machine body; the lower machine body is provided with a lower air inlet, and one side of the lower air inlet, which deviates from the lower machine body, is provided with a rotatable main smoke baffle and foldable side smoke baffles positioned on two sides of the main smoke baffle.

2. The range hood of claim 1, wherein the louver structure comprises: a blade and a rotating structure;

the rotating structure is connected with the blades and is used for controlling the blades to rotate;

the electric control box is electrically connected with the rotating structure and used for controlling the rotating structure to rotate.

3. The range hood of claim 2, wherein the swivel structure comprises: a gear;

the end part of each blade is fixed with the gear, and the gears corresponding to two adjacent blades are meshed with each other;

the electric control box is electrically connected with the gear and used for controlling the gear to rotate.

4. The range hood of claim 3, further comprising: a gear controller;

the electric control box is electrically connected with the gear through the gear controller; and the electric control box sends an instruction to the gear controller to control the working state of the gear.

5. The range hood of claim 3, wherein the gear face of the gear is perpendicular to the leaf face of the vane.

6. The range hood of claim 1, wherein the coverage area of the main smoke baffle is less than or equal to the area of the lower air inlet.

7. The range hood of claim 1, further comprising: a push rod motor, a connecting rod and a rotary supporting structure,

the push rod motor is positioned in the host shell, the movement direction of a push rod in the push rod motor is the gravity direction, and the movable end of the push rod in the push rod motor is connected with one end of the connecting rod;

the other end of the connecting rod is connected with one side of the rotary supporting structure;

the other side of the rotary supporting structure is connected with the main smoke baffle plate;

the electric control box is electrically connected with the push rod motor and used for controlling the working state of the push rod motor.

8. The range hood of claim 7, further comprising: a first support bar and a second support bar;

one end of the first supporting rod is connected with the lower machine body or the upper machine body, the other end of the first supporting rod is hinged to one end of the second supporting rod, and the side wall of the second supporting rod is connected with the main smoke baffle and used for supporting the main smoke baffle to be located at the current rotating position when the main smoke baffle rotates.

9. The range hood of claim 1, wherein the side smoke barrier comprises: the cigarette blocking device comprises a cigarette blocking fan surface, a plurality of shafts, a first fixing structure and a second fixing structure;

the smoke blocking fan surface is in a fan shape after being unfolded;

the plurality of shafts are arranged along the radial direction of the smoke blocking fan surface and are uniformly distributed in the smoke blocking fan surface;

the plate between the two shafts is folded towards one side close to the lower air inlet;

the first fixing structure and the second fixing structure are respectively arranged at two ends of the smoke blocking fan surface;

the first fixing structure is connected with the main smoke baffle plate;

the second fixing structure is connected with the lower machine body.

10. The range hood of claim 1, further comprising: a rotating electric machine;

the rotary motor is connected with the main smoke baffle and is used for controlling the main smoke baffle to rotate;

the electric control box is electrically connected with the rotating motor and used for controlling the working state of the rotating motor.

11. The range hood of any of claims 1-10, wherein the rotation angle of the primary smoke barrier is less than or equal to 45 degrees.

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