CN117366641A

CN117366641A - Fume exhaust fan

Info

Publication number: CN117366641A
Application number: CN202311342584.6A
Authority: CN
Inventors: 胡承杰; 董永森; 任树栋; 胡鹏; 戚仕航; 孔志平
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-12-29
Filing date: 2023-10-16
Publication date: 2024-01-09
Also published as: CN221279522U; CN221279523U; CN221724392U; CN220958612U; CN221301414U; CN117366643A; CN221724391U; CN117366640A; CN221403155U

Abstract

The invention relates to the technical field of smoke exhaust ventilators, in particular to a smoke exhaust ventilator. The smoke exhaust ventilator comprises a protective shell, an air draft module and an oil collecting module which moves relative to the air draft module along a first direction; the protective shell comprises a first protective shell and a second protective shell; an exhaust module is arranged in the first protective shell; an oil collecting module is arranged in the second protective shell; the second protective housing includes a first protective member; the length direction of the first protection piece is parallel to the width direction of the second protection shell; the distance between the first protection piece and the first side surface of the accommodating cavity is smaller than the distance between the hinge of the cabinet body and the blocking piece on the opposite side of the hinge in the cabinet body; the first side surface is a side surface positioned at the opposite side of the first protection piece in the accommodating cavity; the smoke exhaust ventilator is arranged in the accommodating cavity. The smoke exhaust ventilator provided by the application has the characteristic of good smoking effect.

Description

Fume exhaust fan

Technical Field

The invention relates to the technical field of smoke exhaust ventilators, in particular to a smoke exhaust ventilator.

Background

Generally, the mounted position of smoke ventilator is fixed, and this makes if the interval of smoke ventilator's air intake and oil smoke emergence region is great, and the suction path of oil smoke is longer, and the suction time increases for the easy oily fume escape phenomenon that produces in the culinary art process, if reduce smoke ventilator's mounting height, although be favorable to promoting the oil smoke effect, can cause cooking space too little, the cooking person's head carelessly bumps oily fume collection structure easily to, after the mounting height reduces, also influence the whole outward appearance of sight and kitchen. In addition, as people demand kitchen space neatness and large space, smoke exhaust ventilator can be integrated in the cabinet above the gas stove, however, since the cabinet may be prefabricated, conventional smoke exhaust ventilator cannot be embedded therein, and the door of the cabinet may need to be changed, increasing user installation cost and time.

Disclosure of Invention

In order to solve the technical problems, the application discloses a range hood, which comprises a protection shell, an air draft module and an oil collecting module which moves relative to the air draft module along a first direction;

the protective shell comprises a first protective shell and a second protective shell; an exhaust module is arranged in the first protective shell; an oil collecting module is arranged in the second protective shell;

the second protective housing includes a first protective member;

the length direction of the first protection piece is parallel to the width direction of the second protection shell;

the distance between the first protection piece and the first side surface of the accommodating cavity is smaller than the distance between the hinge of the cabinet body and the blocking piece on the opposite side of the hinge in the cabinet body; the first side surface is a side surface positioned at the opposite side of the first protection piece in the accommodating cavity; the smoke exhaust ventilator is arranged in the accommodating cavity.

Further, the cabinet body comprises a containing structure and a door body, and the containing structure is connected with the door body through a hinge; the blocking piece is used for forming an accommodating cavity with the door body and the accommodating structure;

the second protective housing further comprises a second protective member;

the second protection piece is positioned at the opposite side of the first protection piece;

the distance between the first and second protection members is smaller than the distance between the hinge and the opposite side blocking member of the hinge in the accommodating structure.

Further, the second protective housing further comprises a third protective member and a fourth protective member opposite to each other;

the first protection piece, the third protection piece, the second protection piece and the fourth protection piece are sequentially connected to form a second protection shell;

the distance between the first protective piece and the second protective piece is larger than the length of the first protective shell;

the distance between the third protection piece and the fourth protection piece is smaller than or equal to the width of the first protection shell.

Further, the device also comprises a driving module;

the oil collecting module comprises an assembly frame and an oil smoke collecting structure which are connected;

the driving module is connected with the assembly frame and is used for driving the assembly frame to do lifting motion relative to the air draft module, so as to drive the oil smoke collecting structure connected with the assembly frame to do lifting motion relative to the air draft module; the oil collecting module comprises an oil smoke inlet;

the exhaust module is used for sucking the oil smoke into the exhaust module from the oil smoke inlet and then discharging the oil smoke.

Further, the device also comprises a surrounding frame structure;

the height of the surrounding frame structure is smaller than the distance between the hinge and the bottom surface of the door body;

the width of the surrounding frame structure is larger than that of the second protective shell;

the mounting bracket comprises a first end; a fan module and a lampblack collecting structure, wherein the first end part of the fan module is close to the exhaust module;

the first end part is provided with an avoidance structure; the avoidance structure is used for avoiding the surrounding frame structure.

Further, the smoke baffle plate and the rotating piece are also included;

the smoke baffle comprises a first end and a second end which are opposite;

the bottom of the second protective shell is rotationally connected with the first end of the smoke baffle, and the second end of the smoke baffle is a free end;

one end of the rotating piece is connected with the smoke baffle, and the other end of the rotating piece is connected with the bottom of the protection shell.

Further, in the process that the driving module drives the oil smoke collecting structure to move along the first direction, the free end of the smoke baffle plate connected with the oil smoke collecting structure can be driven to move along the second direction so as to expose the oil smoke inlet; the second direction intersects the first direction;

in the process that the driving module drives the oil smoke collecting structure to move along the reverse direction of the first direction, the free end of the smoke baffle plate connected with the oil smoke collecting structure can be driven to move along the reverse direction of the second direction so as to close the oil smoke inlet.

Further, the smoke baffle plate is connected with the bottom of the surrounding frame structure through a hinge piece;

the oil fume collecting structure comprises a first plate body, a second plate body and a third plate body which are sequentially connected;

the second plate body is provided with an oil smoke inlet;

the second plate body and the bottom surface of the oil smoke collecting structure have a preset inclination angle so that the oil smoke inlet is close to the gas stove;

the joint of the second plate body and the first plate body as well as the third plate body is provided with a concave structure;

the concave structure is used for avoiding the hinge member.

Further, the air draft module comprises a fan shell and a fan module positioned in the fan shell;

the fan module is in airflow communication with the oil smoke inlet.

Further, the assembly frame is of a cylindrical structure;

one end of the fan shell is positioned in the assembly frame, or one end of the assembly frame extends into the fan shell.

The range hood comprises a protection shell, an air draft module and an oil collecting module which moves relative to the air draft module along a first direction; the protective shell comprises a first protective shell and a second protective shell; an exhaust module is arranged in the first protective shell; an oil collecting module is arranged in the second protective shell; the second protective housing includes a first protective member; the length direction of the first protection piece is parallel to the width direction of the second protection shell, and the distance between the first protection piece and the first side surface of the accommodating cavity is smaller than the distance between the hinge of the cabinet body and the opposite-side blocking piece of the hinge in the cabinet body; the first side surface is a side surface positioned at the opposite side of the first protection piece in the accommodating cavity; the smoke exhaust ventilator is arranged in the accommodating cavity. The subsequent user can be through the position of adjustment collection cigarette device, when satisfying the smoking effect, improves kitchen space's clean and tidy degree, and this smoke ventilator installs in the top cabinet body moreover, through the structural design to the lampblack absorber, makes it can be under the condition of not changing cabinet body structure, installs in the cabinet body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a range hood according to a first view angle provided in an embodiment of the present application;

fig. 2 is a schematic structural view of a second view angle of the range hood according to the embodiment of the present application;

fig. 3 is a schematic structural diagram of a cabinet provided in an embodiment of the present application;

fig. 4 is a schematic structural view of a third view angle of the range hood according to the embodiment of the present application;

fig. 5 is a schematic structural view of another range hood according to an embodiment of the present disclosure at a first view angle;

fig. 6 is a schematic structural view of another range hood according to an embodiment of the present disclosure;

fig. 7 is a rear view of a range hood provided in an embodiment of the present application;

FIG. 8 is a schematic structural view of an exhaust module provided in the present application;

FIG. 9 is a schematic diagram of an oil collection module according to the present disclosure;

fig. 10 is a side view of a range hood provided in an embodiment of the present application.

The following supplementary explanation is given to the accompanying drawings:

1-an air draft module; 101-a fan housing; 102-a fan module; 2-an oil collecting module; 201-a lampblack inlet; 202-an assembly frame; 2021-avoidance structure; 203-a fume collection structure; 2031-a first plate; 2032-a second plate; 2033-a third plate; 2034-concave structure; 2035-oil screen; 2036-fourth plate; 204-an oil collection structure; 3-a driving module; 4-a protective housing; 401-a first protective housing; 4011-a cover plate; 402-a second protective housing; 4021—a first guard; 4022—a second protector; 4023—a third protector; 4024-a fourth protector; 5-a smoke baffle; 6-rotating piece; 7-a receiving structure; 701-left side plate; 702-right side plate; 8-door body; 9-enclosing frame structure; 10-a guide rail; 11-a slider; 12-wall body.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it should be understood that the terms "upper," "lower," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

Example 1

Referring to fig. 1-4, an embodiment of the present application provides a range hood, including a protection housing 4, an air extraction module 1, and an oil collection module 2 moving relative to the air extraction module 1 along a first direction; the protective case 4 includes a first protective case 401 and a second protective case 402; an exhaust module 1 is arranged in the first protective shell 401; the second protective casing 402 is internally provided with an oil collecting module 2; the second guard housing 402 includes a first guard 4021; the length direction of the first guard 4021 is parallel to the width direction of the second guard housing 402; the first guard 4021 is less than the distance between the hinge of the cabinet and the opposite side barrier of the hinge in the cabinet from the first side of the receiving cavity; the first side is a side of the accommodating cavity on the opposite side of the first protector 4021; the smoke exhaust ventilator is arranged in the accommodating cavity. Alternatively, the first protective housing 401 may be formed by bending a plate body, or may be a cylindrical structure formed by connecting a plurality of plate bodies, and similarly, the second protective housing 402 may be formed by bending a plate body, or may be formed by connecting a plurality of plate bodies. Alternatively, the first and second protective housings 401 and 402 may be integrally formed. Optionally, the cabinet body comprises a containing structure 7 and a door body 8, and the containing structure 7 is connected with the door body 8 through a hinge; the blocking member is used to form a receiving cavity with the door body 8 and the receiving structure 7.

In this embodiment, the cabinet body specifically includes two door bodies 8, a left side plate 701 and a right side plate 702, a preset distance exists between the left side plate 701 and the right side plate 702, and both are fixed with the wall 12, the left side plate 701 is connected with one door body 8 through a hinge, and the right side plate 702 is connected with the other door body 8 through a hinge, so that the left side plate 701, the right side plate 702, the door body 8 and the wall 12 form the accommodating cavity, and generally, the larger the size of the range hood is, the better oil fume absorbing effect can be provided, but due to the hinge, the traditional range hood cannot be put into or fully utilized. And this application is through the design to smoke ventilator structure and size for it not only can realize better oil smoke absorbing effect, can also be under the condition of not changing cabinet body structure, with it embedding. Optionally, the cabinet body may further have a door body 8, where one side of the door body 8 is hinged to the left side plate 701 or the right side plate 702, and the other side of the door body 8 is a free end, that is, belongs to a single-door cabinet body. Optionally, the cabinet may further include a rear plate for connecting the left side plate 701 and the right side plate 702 to form a groove structure. Alternatively, in the case shown in fig. 3, the blocking member may refer to another hinge. When the cabinet includes only one hinge, the blocking member may also refer to one side plate.

In this embodiment, referring to fig. 4 and 5, the second protecting housing 402 further includes a second protecting member 4022; the second protector 4022 is located opposite to the first protector 4021; the distance between the first 4021 and second 4022 protectors is less than the distance between the hinge and the hinge-opposite side barrier in the receiving structure 7. Alternatively, for the case shown in fig. 3, the blocking member may be referred to as a hinge, i.e., the distance between the second guard 4022 and the first guard 4021 is smaller than the distance between the two hinges. For a single door cabinet, the blocking member refers to a side plate of the accommodating structure 7 opposite to the hinge, for example, the left side plate 701 is connected to the accommodating structure 7 by the hinge, and the distance between the second protecting member 4022 and the first protecting member 4021 is smaller than the distance between the hinge and the right side plate 702. The range hood can fully utilize the space of the accommodating cavity in width.

In this embodiment, the second protective housing 402 further includes opposing third and fourth protective members 4023 and 4024; the first protector 4021, the third protector 4023, the second protector 4022 and the fourth protector 4024 are sequentially connected to form a second protective housing 402; the distance between the first protector 4021 and the second protector 4022 is greater than the length of the first protective housing 401; the distance between the third protector 4023 and the fourth protector 4024 is equal to the width of the first protective housing 401 (refer to fig. 1). In another alternative embodiment, referring to fig. 6, the distance between the third protective member 4023 and the fourth protective member 4024 is smaller than the width of the first protective housing 401, so that the first protective housing 401 can accommodate a larger-sized air extraction module 1, and the oil smoke absorbing effect is improved. Optionally, the first protection housing 401 includes a cover plate 4011, the cover plate 4011 protrudes from the first protection member 4021 of the second protection housing 402, and a placement area is provided in a middle portion of the first protection member 4021, so that the air extraction module 1 can protrude from the first protection member 4021 through the placement area.

In this embodiment, the range hood further comprises a driving module 3; the driving module 3 is connected with the oil collecting module 2, and the driving module 3 is used for driving the oil collecting module 2 to do lifting motion relative to the air draft module 1; the oil collecting module 2 comprises an oil fume inlet 201; the exhaust module 1 is used for sucking the oil smoke from the oil smoke inlet 201 into the exhaust module 1 and then discharging the oil smoke. Thus, the kitchen ventilator can be matched with the cabinet body subsequently, after the kitchen ventilator is installed, under the condition that the kitchen ventilator is not used, the bottom of the kitchen ventilator provided by the application can be flush with the bottom of the cabinet body, so that the kitchen ventilator is hidden, in particular to the oil net 2035 and other structures at the lower part of the kitchen ventilator, the kitchen is tidier, the space is enlarged, in addition, the descending height of the oil collecting module 2 can be adjusted according to the needs of the kitchen ventilator, so as to meet the requirements of different cooking scenes, for example, when cooking materials with big oil smoke such as stir-frying, the kitchen ventilator with more omnibearing suction is needed, the oil collecting module 2 can be lowered to a low position at this moment, when some food materials are fried, only a certain range of suction is needed, and the oil collecting module 2 can be lowered to a middle position at this moment, and the low position is closer to the gas stove than the middle position.

In a possible embodiment, referring to fig. 7, when the range hood is in the range hood mode, the driving module 3 is configured to drive the oil collecting module 2 to operate in a first direction, so that the bottom of the oil collecting module 2 protrudes out of the protection housing 4; the first direction is the direction from the range hood to the gas stove. Referring to fig. 2, when the range hood is in the oil extraction mode, the driving module 3 is configured to drive the oil collecting module 2 to move in a direction opposite to the first direction, so that the bottom of the oil collecting module 2 is retracted into the protective housing 4.

In a possible embodiment, referring to fig. 2, the range hood further comprises a smoke barrier 5 and a rotating member 6, the smoke barrier 5 comprising opposite first and second ends; the bottom of the protection shell 4 is rotationally connected with the first end of the smoke baffle 5, and the second end of the smoke baffle 5 is a free end; one end of the rotating piece 6 is connected with the smoke baffle 5, and the other end of the rotating piece 6 is connected with the bottom of the oil collecting module 2. Optionally, the smoke barrier 5 comprises opposite first and second faces; when the range hood is in the smoke-sucking-off mode, the first surface is an exposed surface facing the gas range, the second surface faces the interior of the range hood, and the rotating member 6 is connected with the second surface. Optionally, in order to improve the stability of movement of the smoke barrier 5 during opening and closing, at least two rotating members 6 may be provided, and one rotating member 6 is provided on each side of the smoke barrier 5. Optionally, for each rotating member 6, the rotating member 6 may be fixedly connected to the smoke baffle 5 and rotatably connected to the bottom of the oil collecting module 2; the rotating piece 6 is rotatably connected with the smoke baffle 5 and is fixedly connected with the bottom of the oil collecting module 2; the rotating piece 6 can also be rotationally connected with the smoke baffle 5 and rotationally connected with the bottom of the oil collecting module 2. Optionally, the smoke baffle 5 may be made of glass, so that cleaning is facilitated.

In a possible embodiment, referring to fig. 7, during the process that the driving module 3 drives the oil collecting module 2 to move along the first direction, the free end of the smoke baffle 5 connected to the oil collecting module 2 can be driven to move along the second direction so as to expose the oil smoke inlet 201; the second direction intersects the first direction. Alternatively, the second direction may be an arc direction. In the process that the driving module 3 drives the oil collecting module 2 to move along the reverse direction of the first direction, the free end of the smoke baffle plate 5 connected with the oil collecting module 2 can be driven to move along the reverse direction of the second direction so as to shield the oil smoke inlet 201. This kind of liftable collection oil module 2 and fender smoke board 5 linkage structure that this application provided, fender smoke board 5 open along with collection oil module 2's decline, can enlarge and draw in the cigarette region, and fender smoke board 5 is closed along with collection oil module 2's rising for smoke ventilator form is succinct more.

In one possible embodiment, the smoke barrier 5 is flipped over to a position flush with the bottom of the protective housing 4 in the fully raised state of the oil collection module 2. At this time, the smoke baffle 5 is flush with the bottom of the cabinet body, so that not only the whole range hood can be hidden, but also the oil net and other structures at the range hood inlet 201 can be hidden. In the state in which the oil collecting module 2 is completely lowered, the smoke barrier 5 is completely opened, and the opening angle of the smoke barrier 5 with respect to the bottom of the second protective case 402 is an obtuse angle, such as 100 degrees.

In one possible embodiment, referring to fig. 8, the air extraction module 1 includes a blower housing 101 and a blower module 102 located within the blower housing 101; the fan module 102 is in airflow communication with the fume inlet 201. When the smoke exhaust ventilator is in the smoke exhaust mode, the fan module 102 can provide suction to suck the smoke from the smoke exhaust inlet 201, the oil collecting module 2 descends at the moment, the negative pressure area moves downwards, and the smoke exhaust effect is guaranteed.

In one possible embodiment, referring to fig. 9, the oil collection module 2 includes a mounting frame 202 and an oil smoke collecting structure 203 connected; the driving module 3 is connected with the assembly frame 202; under the driving force of the driving module 3, the assembly frame 202 can perform lifting movement relative to the fan housing 101, so as to drive the oil smoke collecting structure 203 to perform lifting movement relative to the fan housing 101. Alternatively, when the driving module 3 drives the oil collecting module 2 to move along the first direction, the smoke baffle 5 is driven to open, at this time, the oil smoke collecting structure 203 extends out of the second protective housing 402 (see fig. 6), and when the driving module 3 drives the oil collecting module 2 to move along the opposite direction of the first direction until the smoke baffle 5 is completely closed, at this time, the oil smoke collecting structure 203 is wholly retracted in the second protective housing 402.

In one possible embodiment, referring to fig. 6, the oil collecting module 2 further includes an oil collecting structure 204; the oil collecting structure 204 is arranged at the bottom of the oil fume collecting structure 203, and the oil collecting structure 204 is hidden in the protective shell 4 in the state that the oil collecting module 2 is completely lifted. Optionally, as shown in fig. 9, the fume collecting structure 203 further includes a first plate 2031, a second plate 2032, a third plate 2033, a fourth plate 2036, and a fifth plate; the first plate 2031 and the third plate 2033 are opposite to each other and are arranged on the same side of the fourth plate 2036, two ends of the second plate 2032 are respectively connected with the first plate 2031 and the third plate 2033, the second plate 2032 is provided with a lampblack inlet 201, and the lampblack inlet 201 is provided with an oil screen 2035; opposite ends of the fifth plate body are respectively connected with the first plate body 2031 and the third plate body 2033, the first plate body 2031, the second plate body 2032, the third plate body 2033, the fourth plate body 2036 and the fifth plate body are connected to form a groove-like structure with an opening facing the first direction, and a through hole communicated with the assembly rack 202 is formed in the middle of the fourth plate body 2036. Optionally, an oil collecting structure 204 is disposed at an opening of the oil fume collecting structure 203, and the second plate 2032 is inclined toward the oil collecting structure 204. Optionally, an included angle between the second plate 2032 and the fourth plate 2036 is an acute angle, for example, 60 degrees, so that the oil smoke inlet 201 faces the gas stove, and the oil smoke absorbing effect is improved.

In a possible embodiment, referring to fig. 4, a surrounding frame structure 9 is disposed at the bottom periphery of the second protective housing 402, so that not only the cleanliness of the whole range hood can be improved, but also a control panel and the like can be disposed in the surrounding frame structure 9, and the first end of the smoke baffle 5 is rotationally connected with the bottom of the surrounding frame structure 9. The height of the surrounding frame structure 9 is smaller than the distance between the hinge and the bottom surface of the door body 8; the width of the enclosure structure 9 is greater than the width of the second protective housing 402. Optionally, referring to fig. 9, the mounting bracket 202 includes a first end; a fan module 102 and a fume collecting structure 203 with a first end close to the air extraction module 1; the first end is provided with a relief structure 2021; the avoidance structure 2021 is used to avoid the surrounding frame structure 9. Alternatively, the relief structure 2021 may be a concave structure that is concave toward the fan module 102. In order to further facilitate the oil flowing from the inner wall of the mounting frame 202 into the oil collecting structure 204 below the oil fume collecting structure 203 as much as possible, the avoiding structure 2021 may be configured as a slope structure, for example, the side plate of the first end is a slope plate facing the second protective housing 402. The oblique angle of the swash plate with respect to the first direction may be 8 degrees or more, such as 9 degrees, 10 degrees, 11 degrees, 12 degrees, 13 degrees, or the like. Optionally, referring to fig. 6, the second protective casing 402 and the enclosure frame 9 may be an integrally formed structure.

In this embodiment, the assembly frame 202 is a tubular structure, and one end of the fan housing 101 is located in the assembly frame 202, so that the assembly frame 202 can wrap the fan housing 101, and thus oil drops flowing out of the interior of the fan housing 101 can enter the assembly frame 202, and flow into the oil smoke collecting structure 203 and then enter the oil collecting structure 204, so that the situation that the oil drops fall off a cooking bench is avoided, and the air leakage problem is also avoided. Alternatively, the assembly frame 202 is slidably connected to the fan housing 101, specifically, a guide rail 10 is disposed on the fan housing 101, and a slider 11 slidably connected to the guide rail 10 is disposed on an inner wall of the assembly frame 202. Alternatively, the guide rail 10 may be arranged in the first direction, so that the mounting bracket 202 may perform a lifting movement in the first direction along the guide rail 10 based on the slider 11. Optionally, the outer wall of the side plate of the fan housing 101 far away from the fan module 102 may be provided with the guide rail 10, and the number of the guide rails 10 may be 1 or 2, so as to improve stability of lifting motion, and the two adjacent side plates of the side plate of the fan housing 101 far away from the fan module 102 may be further provided with the guide rail 10. Alternatively, the guide rail 10 may be provided on a side plate of the fan housing 101 opposite to a side plate of the fan module 102, and the slider 11 engaged with the guide rail 10 may be provided on the corresponding mounting frame 202 according to the position where the guide rail 10 is provided. Optionally, the driving module 3 is disposed on the fan housing 101, specifically, may be disposed between two guide rails 10, or disposed between a plurality of guide rails 10, so that the distance between the driving module 3 and each guide rail 10 in the plurality of guide rails 10 is relatively similar. Optionally, the driving module 3 may specifically include a driving motor and a telescopic rod that are connected, where the telescopic rod is connected to the assembly frame 202, so that when the driving motor drives the telescopic rod to perform telescopic motion along the first direction, the assembly frame 202 connected to the telescopic rod may be driven to perform telescopic motion along the first direction.

Example 2

In order to simplify the description, the following will mainly describe differences from embodiment 1 with respect to the present embodiment. The same points are shown in embodiment 1, and will not be described in detail here. In this embodiment, the assembly frame 202 is a tubular structure, and one end of the fan housing 101 is located in the assembly frame 202, so that the assembly frame 202 can wrap the fan housing 101, and thus oil drops flowing out of the interior of the fan housing 101 can enter the assembly frame 202, and flow into the oil smoke collecting structure 203 and then enter the oil collecting structure 204, so that the situation that the oil drops fall off a cooking bench is avoided, and the air leakage problem is also avoided. Alternatively, the mounting frame 202 is slidably connected to the first protective housing 401, specifically, the first protective housing 401 may be provided with a guide rail 10, and the outer wall of the mounting frame 202 is provided with a slider 11 slidably connected to the guide rail 10. Alternatively, the guide rail 10 may be arranged in the first direction, so that the mounting bracket 202 may perform a lifting movement in the first direction along the guide rail 10 based on the slider 11. Optionally, the outer wall of the side plate, far away from the fan module 102, of the first protection housing 401 may be provided with the guide rails 10, and the number of the guide rails 10 may be 1 or 2, so as to improve stability of lifting motion, and the guide rails 10 may also be provided on two adjacent side plates of the side plate, far away from the fan module 102, of the first protection housing 401. Alternatively, the guide rail 10 may be provided on a side plate of the fan housing 101 opposite to a side plate of the fan module 102, and the slider 11 engaged with the guide rail 10 may be provided on the corresponding mounting frame 202 according to the position where the guide rail 10 is provided. Alternatively, the driving module 3 is disposed on the first protective housing 401, specifically, may be disposed between two guide rails 10, or disposed between a plurality of guide rails 10, so that the distance between the driving module 3 and each guide rail 10 in the plurality of guide rails 10 is relatively similar. Optionally, the driving module 3 may specifically include a driving motor and a telescopic rod that are connected, where the telescopic rod is connected to the assembly frame 202, so that when the driving motor drives the telescopic rod to perform telescopic motion along the first direction, the assembly frame 202 connected to the telescopic rod may be driven to perform telescopic motion along the first direction.

In this embodiment, referring to fig. 10, the smoke baffle 5 is connected to the bottom of the second protective casing 402 by a hinge; the junction of second plate 2032 and first plate 2031, the junction of second plate 2032 and third plate 2033 all is equipped with concave structure 2034, and concave structure 2034 is used for dodging the articulated elements to make this smoke ventilator have better oil smoke sucking effect under the condition, can also realize the smooth and easy elevating movement of collection oily module 2.

Example 3

In this embodiment, the mounting frame 202 has a cylindrical structure, and one end of the mounting frame 202 extends into the fan housing 101. Alternatively, the assembly frame 202 is slidably connected to the fan housing 101, specifically, a guide rail 10 is disposed on an inner wall of the fan housing 101, and a slider 11 slidably connected to the guide rail 10 is disposed on an outer wall of the assembly frame 202. Alternatively, the guide rail 10 may be arranged in the first direction, so that the mounting bracket 202 may perform a lifting movement in the first direction along the guide rail 10 based on the slider 11. Optionally, the inner wall of the side plate of the fan housing 101 far away from the fan module 102 may be provided with the guide rail 10, and the number of the guide rails 10 may be 1 or 2, so as to improve stability of lifting motion, and the two adjacent side plates of the side plate of the fan housing 101 far away from the fan module 102 may be further provided with the guide rail 10. Alternatively, the guide rail 10 may be provided on a side plate of the fan housing 101 opposite to a side plate of the fan module 102, and the slider 11 engaged with the guide rail 10 may be provided on the corresponding mounting frame 202 according to the position where the guide rail 10 is provided. Optionally, the driving module 3 is disposed on the fan housing 101, specifically, may be disposed between two guide rails 10, or disposed between a plurality of guide rails 10, so that the distance between the driving module 3 and each guide rail 10 in the plurality of guide rails 10 is relatively similar. Optionally, the driving module 3 may specifically include a driving motor and a telescopic rod that are connected, where the telescopic rod is connected to the assembly frame 202, so that when the driving motor drives the telescopic rod to perform telescopic motion along the first direction, the assembly frame 202 connected to the telescopic rod may be driven to perform telescopic motion along the first direction.

It will be appreciated that in the above embodiment 1, embodiment 2 and embodiment 3, the guide rail 10 may be provided on the mount 202, and the slider 11 may be provided on the blower housing 101 or the first protection case 401. Alternatively, in order to reduce the weight of the mounting frame 202, when the guide rail 10 or the slider 11 is disposed only on one side or a partial area of the mounting frame 202, the plate body of the area where the guide rail 10 or the slider 11 is not disposed and the bearing weight may be cut off, for example, when the guide rail 10 is disposed on the back plate of the mounting frame 202, the upper areas of the other three side plates of the peripheral surface of the mounting frame 202 are removed, the plate bodies of the lower parts of the three side surfaces remain for providing the supporting force for the oil smoke collecting structure 203, and the mounting frame 202 may wrap the fan housing 101, so that the oil of the inner wall of the fan housing 101 may drop into the mounting frame 202 and then flow into the oil collecting structure 204 from the oil smoke collecting structure 203. The alternative embodiments listed in the above embodiments 1, 2 and 3 can be freely combined to constitute new embodiments.

The foregoing description of the preferred embodiments is provided for the purpose of illustration only and is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. The smoke exhaust ventilator is characterized by comprising a protection shell (4), an air exhausting module (1) and an oil collecting module (2) which moves relative to the air exhausting module (1) along a first direction;

the protective housing (4) comprises a first protective shell (401) and a second protective shell (402); the first protective shell (401) is internally provided with the air draft module (1); the second protective shell (402) is internally provided with the oil collecting module (2);

the second protective housing (402) includes a first guard (4021);

the length direction of the first protector (4021) is parallel to the width direction of the second protective housing (402);

the distance between the first protection piece (4021) and the first side surface of the accommodating cavity is smaller than the distance between the hinge of the cabinet body and the blocking piece on the opposite side of the hinge in the cabinet body; the first side is a side of the accommodating cavity located opposite to the first protector (4021); the smoke exhaust ventilator is arranged in the accommodating cavity.

2. -range hood according to claim 1, characterised in that the cabinet comprises a receiving structure (7) and a door (8), the receiving structure (7) and the door (8) being connected by means of the hinge; the blocking piece is used for forming the accommodating cavity with the door body (8) and the accommodating structure (7);

the second guard housing (402) further comprises a second guard (4022);

the second protector (4022) is located opposite the first protector (4021);

the distance between the first guard (4021) and the second guard (4022) is less than the distance between the hinge and the hinge-opposite side barrier in the receiving structure.

3. The range hood according to claim 2, wherein the second protective housing (402) further comprises opposing third (4023) and fourth (4024) protections;

the first protection piece (4021), the third protection piece (4023), the second protection piece (4022) and the fourth protection piece (4024) are sequentially connected to form the second protection shell (402);

the distance between the first guard (4021) and the second guard (4022) is greater than the length of the first guard housing (401);

the distance between the third protector (4023) and the fourth protector (4024) is less than or equal to the width of the first protective housing (401).

4. A range hood according to claim 1, further comprising a drive module (3);

the oil collecting module (2) comprises an assembly frame (202) and an oil smoke collecting structure (203) which are connected;

the driving module (3) is connected with the assembly frame (202), and the driving module (3) is used for driving the assembly frame (202) to do lifting motion relative to the air draft module (1) so as to drive the oil smoke collecting structure (203) connected with the assembly frame (202) to do lifting motion relative to the air draft module (1); the oil collecting module (2) comprises an oil fume inlet (201);

the exhaust module (1) is used for sucking the oil smoke from the oil smoke inlet (201) into the exhaust module (1) and then discharging the oil smoke.

5. -range hood according to claim 4, characterised in that it also comprises a surrounding frame structure (9);

the height of the surrounding frame structure (9) is smaller than the distance between the hinge and the bottom surface of the door body (8);

the width of the surrounding frame structure (9) is larger than that of the second protective shell (402);

the mounting bracket (202) includes a first end; a fan module (102) and the oil fume collecting structure (203) of which the first end parts are close to the air exhausting module (1);

the first end is provided with a relief structure (2021); the avoidance structure (2021) is used for avoiding the surrounding frame structure (9).

6. The range hood according to claim 5, further comprising a smoke baffle (5) and a rotating member (6);

the smoke barrier (5) comprises a first end and a second end which are opposite;

the bottom of the second protective shell (402) is rotationally connected with the first end of the smoke baffle (5), and the second end of the smoke baffle (5) is a free end;

one end of the rotating piece (6) is connected with the smoke baffle (5), and the other end of the rotating piece (6) is connected with the bottom of the protection shell (4).

7. A range hood according to claim 6, characterized in that during the movement of the fume collecting structure (203) in the first direction driven by the driving module (3), the free end of the fume baffle (5) connected to the fume collecting structure (203) is moved in a second direction to expose the fume inlet (201); the second direction intersects the first direction;

in the process that the driving module (3) drives the oil fume collecting structure (203) to move along the reverse direction of the first direction, the free end of the smoke baffle plate (5) connected with the oil fume collecting structure (203) can be driven to move along the reverse direction of the second direction so as to close the oil fume inlet (201).

8. -range hood according to claim 6, characterised in that the smoke barrier (5) is connected to the bottom of the surrounding frame structure (9) by means of a hinge;

the oil smoke collecting structure (203) comprises a first plate body (2031), a second plate body (2032) and a third plate body (2033) which are connected in sequence;

the second plate body (2032) is provided with the oil smoke inlet (201);

a preset inclination angle exists between the second plate body (2032) and the bottom surface of the oil smoke collecting structure (203) so that the oil smoke inlet (201) is close to a gas stove;

a concave structure (2034) is arranged at the joint of the second plate body (2032) and the first plate body (2031) and the third plate body (2033);

the concave structure (2034) is for avoiding the hinge.

9. -range hood according to any one of claims 4 to 8, characterised in that the extraction module (1) comprises a fan housing (101) and a fan module (102) located inside the fan housing (101);

the fan module (102) is in airflow communication with the fume inlet (201).

10. The range hood according to claim 9, characterized in that the mounting frame (202) is a cylindrical structure;

one end of the fan housing (101) is located in the assembly frame (202), or one end of the assembly frame (202) extends into the fan housing (101).