CN220870950U - Fume exhaust fan - Google Patents

Abstract

The utility model relates to the field of household appliances, in particular to a range hood, which comprises an outer shell, a smoke exhaust pipe group and a fan, wherein a smoke exhaust inner cavity is formed in the outer shell, a first air inlet group and a second air inlet group which are communicated with the smoke exhaust inner cavity are formed on the outer shell, and a switch piece for controlling the switch of the second air inlet group is arranged on the second air inlet group; a smoke exhaust cavity communicated with the smoke exhaust cavity is formed in the smoke exhaust pipe group; the fan is detachably connected in the smoke exhaust cavity; in a cooking mode with less oil smoke, the second air inlet group is in a closed state, and the switch piece is not started; under the condition of large oil smoke, the second air inlet group is opened to cooperate with the first air inlet group, so that the escaped oil smoke can be collected more quickly, and the pertinence is strong; the switch piece does not need to act in each cooking state, the failure rate is reduced, and the service life of the whole machine is prolonged.

Description

Fume exhaust fan

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a range hood.

Background

The range hood is a kitchen appliance for purifying the kitchen environment, is a necessary appliance for the kitchen nowadays, can improve the sanitation of the kitchen environment and is beneficial to the health of users.

The range hood is usually arranged above a kitchen range, waste generated in combustion of the range and oil smoke harmful to human bodies in a cooking process are rapidly pumped out of the room, oil smoke inhalation is reduced, most of the existing range hoods only have one air inlet, when the range hood is used, a panel on the air inlet needs to be repeatedly opened, the failure rate of the range hood is high, and the service life of the range hood is influenced;

Besides, in the cooking process, a large amount of oil smoke can not appear in a similar cooking mode, in the cooking process, the oil smoke is large, the spreading range is large, the traditional range hood only has one air inlet area, the smoking speed can be changed only by adjusting the rotating speed of a fan in different cooking modes, and the range of the range hood can not effectively smoke under the use conditions of high oil smoke diffusion speed and wide range of quick-frying and the like.

Disclosure of Invention

The utility model aims to provide a range hood, which aims to solve the problem that when the existing range hood works in the prior art, a panel needs to be repeatedly opened, so that the service life of the whole range hood is short; under different cooking modes, the oil fume absorption efficiency is low, the pertinence is poor, and the like.

In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme:

The utility model provides a range hood, which comprises:

the smoke exhaust device comprises an outer shell, wherein a smoke exhaust inner cavity is formed in the outer shell, a first air inlet group and a second air inlet group which are communicated with the smoke exhaust inner cavity are formed in the outer shell, and a switch piece for controlling the switch of the second air inlet group is arranged on the second air inlet group;

a smoke exhaust pipe group, wherein a smoke exhaust cavity communicated with the smoke exhaust cavity is formed in the smoke exhaust pipe group;

The fan is detachably connected in the smoke exhausting cavity.

In some embodiments of the present application, the first air intake group includes a plurality of first air inlets, and the second air intake group includes a plurality of second air inlets, the first air inlets being open and the second air inlets being configured to be closable by the switch member.

In some embodiments of the present application, a first air inlet surface and a second air inlet surface are formed on the front side of the outer casing, the first air inlet surface and the second air inlet surface are arranged at an angle, and the second air inlet surface is located above the first air inlet surface;

Each first air inlet array is arranged on the first air inlet surface, and each second air inlet array is arranged on the second air inlet surface.

In some embodiments of the present application, the switch member includes a driving member and a cover member, the driving member is connected to the outer housing, the cover member is rotatably connected above the second air inlet surface, and the driving member is used for controlling the cover member to open or close at an angle relative to the second air inlet surface.

In some embodiments of the present application, side baffles are formed at two ends of the cover plate, and a movable notch corresponding to the side baffle is formed on the second air inlet surface, and the side baffle moves out of or moves into the outer shell along the movable notch along with the opening and closing of the switch piece.

In some embodiments of the application, a receiving cavity is formed in the outer housing, the receiving cavity being separated from the smoking cavity, the side barrier being located within the receiving cavity.

In some embodiments of the application, the fan is detachably connected in the smoke exhausting cavity through a supporting component in an angle, and the fan comprises an air inlet end and an air exhaust end, and the air inlet end is communicated with an outlet of the smoke exhausting cavity.

In some embodiments of the present application, a middle partition plate is disposed in the smoke exhaust pipe group, a smoke exhaust port is formed on the middle partition plate, and the smoke exhaust port is communicated with the smoke exhaust port.

In some embodiments of the application, the support assembly includes a lower support for securing the bottom of the blower above the outer housing and an upper support for securing the top of the blower to the middle partition.

In some embodiments of the application, an oil collection box is detachably connected to the bottom of the outer shell, and the oil collection box is communicated with the smoking inner cavity.

Compared with the prior art, the utility model has the advantages and positive effects that:

The application relates to a range hood, wherein a first air inlet group and a second air inlet group are arranged on an outer shell of the range hood, a switch piece for controlling the switch of the second air inlet group is arranged on the second air inlet group, and the second air inlet group is in a closed state when cooking modes with less cooking fume such as cooking and the like are performed, and the switch piece is not started; under the condition of large oil smoke such as quick-frying, the second air inlet group is opened, so that the escaped oil smoke can be collected more quickly, the pertinence is strong, the switch piece does not need to act in each cooking state, the failure rate is reduced, and the service life is prolonged;

The two ends of the cover plate on the switch piece are respectively provided with a side baffle, and the side baffles separate the oil smoke in a cooking mode with large oil smoke such as quick-frying, so that the escape of the oil smoke from the side is reduced.

Other features and advantages of the present utility model will become apparent upon review of the detailed description of the utility model in conjunction with the drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and 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 an embodiment of a range hood with a switch member opened according to the present utility model;

Fig. 2 is a schematic structural view of an embodiment of the range hood with the switch member closed;

fig. 3 is a schematic diagram of a split structure of the range hood;

FIG. 4 is a schematic view of the outer housing structure;

Fig. 5 is a schematic view of the flow process of the oil fume in the range hood;

FIG. 6 is a schematic diagram of a fan installation;

FIG. 7 is a schematic diagram of a fan detached from an upper support;

in the drawing the view of the figure,

100. An outer housing;

110. A first air inlet surface; 111. a first air inlet; 112. a display panel;

120. a second air inlet surface; 121. a second air inlet;

130. A switch member; 131. a cover plate member; 132. a side barrier;

200. A smoke exhaust pipe group;

210. A front wall;

220. A middle partition plate; 221. a smoke outlet;

300. a blower;

310. An air inlet end;

320. an exhaust end;

410. an upper support; 411. a horizontal connecting plate; 412. connecting the outer edges;

420. A lower support;

500. and an oil collecting box.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be mechanically coupled, directly coupled, or indirectly coupled via an intermediate medium. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

Referring to fig. 1-3, the present application provides a range hood, which includes an outer housing 100, a smoke exhaust pipe set 200 and a fan 300, wherein the outer housing 100 is located above a cooking bench, the back side is in contact connection with a wall body, a smoke exhaust cavity is formed in the outer housing 100, a smoke exhaust cavity is formed in the smoke exhaust pipe set 200, and the fan 300 is installed in the smoke exhaust cavity.

The smoke exhausting cavity is communicated with the smoke exhausting cavity, the fan 300 is started, and the oil smoke is output along with the airflow through the smoke exhausting cavity and the smoke exhausting cavity.

The cooking modes of cooking with less cooking fume, such as cooking, and the cooking modes of stir-frying with more cooking fume, such as cooking, are different from each other in the amount of cooking fume formed in different cooking processes, and in order to make the range hood more targeted in different cooking states, a first air inlet group and a second air inlet group communicated with the smoke exhausting inner cavity are formed on the outer shell 100.

In the cooking mode with less cooking fume such as cooking, the second air inlet set is in a closed state, only the first air inlet set works, and a small amount of cooking fume is adsorbed into the fume exhausting cavity through the first air inlet set under the guiding action of the fan 300.

Specifically, the first air inlet group is formed on the first air inlet surface 110, the second air inlet group is formed on the second air inlet surface 120, the first air inlet surface 110 and the second air inlet surface 120 are both located at the front side of the outer casing 100, and the second air inlet surface 120 is located above the first air inlet surface 110 and is arranged at an angle with the first air inlet surface 110.

The first air inlet group comprises a plurality of first air inlets 111, the second air inlet group comprises a plurality of second air inlets 121, and the first air inlets 111 and the second air inlets 121 are all vertically arranged long-strip through hole structures.

Since the second air inlet group is mainly opened in the cooking mode with more oil smoke, and requires a larger adsorption force, the number of the second air inlets 121 is designed to be larger than that of the first air inlets 111, so that the oil smoke suction efficiency is improved.

In the cooking state with less cooking fume such as cooking, each second air inlet 121 on the second air inlet group is in a closed state, so that the cooking machine is energy-saving and environment-friendly, and the second air inlet group is provided with a switch piece 130 for controlling the switch of the second air inlet group.

Each of the first air inlets 111 is open, and each of the second air inlets 121 is configured to be closable by the switching member 130.

When the switch member 130 is in the closed state, the second air inlet 121 is in the closed state, and the oil smoke can only enter the smoke exhausting cavity from the first air inlet 111.

When the switch 130 is opened, the second air inlet 121 is opened, and the oil smoke can enter the smoke exhausting cavity from the first air inlet 111 or the second air inlet 121.

In some embodiments of the present application, the switch member 130 includes a driving member and a cover member 131, the driving member is connected to the outer housing 100, the cover member 131 is rotatably connected above the second air inlet surface 120, and the driving member is used to control the cover member 131 to open or close at an angle relative to the second air inlet surface 120.

In some embodiments, the driving member is a driving motor, and is fixed on the outer housing 100, the cover member 131 is rotatably connected above the second air inlet surface 120 through a rotation shaft, an output end of the driving member is connected with the rotation shaft, after the driving member is opened, the rotation shaft is turned upwards under the driving of the driving member, and the cover member 131 is turned outwards to form an angle to open the second air inlet 121.

The cover plate member 131 not only has the function of opening and closing the second air inlet 121, but also has the function of blocking oil smoke, and in the upward escape process of the oil smoke, the oil smoke is blocked by the cover plate member 131 which is opened in an angle, so that the oil smoke suction efficiency is improved, and the oil smoke escape is reduced.

In other embodiments, referring to fig. 4, in order to prevent the oil smoke from escaping from both sides of the cover plate 131, side barriers 132 are formed at both ends of the cover plate 131, and in the opened state of the cover plate 131, the side barriers 132 are opened to seal both ends of the cover plate 131 to a certain extent.

In the closed state of the cover plate member 131, the side barrier 132 is retracted into the outer housing 100, and no additional space is occupied.

In order to realize the moving in and out of the side baffle 132, the second air inlet surface 120 is provided with a movable notch corresponding to the side baffle 132, the side baffle 132 has a fan-shaped structure with a rotation shaft being circular, and the size of the movable notch is matched with the radius size of the side baffle 132.

That is, as the switching member 130 is switched, the side barrier 132 rotates out of or into the outer case 100 along the movable slot centering on the rotation axis.

Referring to fig. 5 and 6, in order to avoid the attachment of oil stains on the side barrier 132, a storage cavity is formed in the outer housing 100, the storage cavity is separated from the smoking cavity, and is located at two sides of the smoking cavity, and the side barrier 132 is located in the storage cavity and separated from the oil stains in the smoking cavity, so that the cleaning difficulty is reduced.

The fan 300 is a centrifugal fan, and is vertically arranged in the smoke exhaust cavity, so that the overall thickness of the range hood is reduced, and the miniaturization improvement is facilitated.

The air intake end 310 of the blower 300 is located at the side and the air exhaust end 320 is located at the top.

In order to prevent the air inlet end 310 of the blower 300 from being blocked by the side wall of the smoke discharging cavity, the blower 300 is detachably connected in the smoke discharging cavity through the supporting component in an angle, the front wall 210 is arranged on one side of the smoke discharging tube set 200 away from the wall, and the air inlet end 310 faces the front wall 210.

The smoke stack 200 is provided with a middle partition plate 220, a smoke outlet 221 is formed on the middle partition plate 220, and a smoke exhaust end 320 positioned at the top of the fan 300 is communicated with the smoke outlet 221.

In the mounted state, a certain distance is formed between the bottom of the blower 300 and the front wall 210, and the top of the blower 300 is inclined toward the front wall 210, so that the air inlet end 310 of the blower 300 and the front wall 210 form an air inlet gap.

An outlet of the smoke exhausting inner cavity is arranged above the outer shell 100, the outlet is communicated with the air inlet gap, and oil stain in the smoke exhausting inner cavity is output into the air inlet gap along with air flow from the outlet, enters the fan 300 from the air inlet end 310 of the fan 300, and is output to the downstream of the smoke exhausting cavity from the air outlet end.

The blower 300 is fixed in the smoke evacuation chamber by a support assembly including an upper support 410 and a lower support 420, the upper support 410 is used to fix the top of the blower 300 on the middle partition 220, and the lower support 420 is used to fix the bottom of the blower 300 above the outer case 100.

Referring to fig. 7, the upper support 410 specifically includes an annular horizontal connection plate 411 and a connection outer edge 412 formed on the horizontal connection plate 411 to extend downward, the connection outer edge 412 extends into the air outlet end of the blower 300, and is detachably connected to the blower 300 by a fastener, and the horizontal connection plate 411 is detachably connected to the middle partition 220.

The bottom of the outer shell 100 is detachably connected with an oil collecting box, and the oil collecting box is communicated with the smoke exhausting inner cavity and is used for collecting oil stains separated out from the smoke exhausting inner cavity.

The middle part of the first air inlet surface 110 is formed with a display panel 112, and a plurality of operation keys such as a switch member 130, a mode switching key, a light key, etc. are arranged on the display panel 112, so that the operation of a user is facilitated.

The modes of the range hood are at least divided into a low-suction mode and a high-suction mode, wherein the low-suction mode is suitable for cooking modes with less oil smoke such as cooking, and the high-suction mode is suitable for cooking modes with more oil smoke such as quick-frying.

The user opens the corresponding mode according to the actual cooking state, and in the low suction mode, the switch member 130 is in the closed state, the fan 300 operates at a low rotation speed, the oil smoke is output from the first air inlet 111, the switch member 130 does not need to perform switching action during each cooking, the failure rate is reduced, and the service life of the whole machine is prolonged.

In the high suction mode, the blower 300 operates at a higher rotational speed, the switch 130 is opened, the side barrier 132 is moved out of the movable slot, and the second air inlet 121 cooperates with the first air inlet 111.

The first air inlet 111 mainly absorbs the oil smoke near the range hood, and the second air inlet 121 mainly absorbs the escaped oil smoke.

The side baffles 132 collect the oil smoke, reduce the escape of the oil smoke and improve the pumping effect of the oil smoke.

The cover plate member is turned upwards to be turned over and opened, and the opening angle of the cover plate member 131 can be adjusted according to the requirement of the user, for example, a plurality of angle options of 15 degrees, 30 degrees, 45 degrees and the like of the upward turning angle of the cover plate member 131 can be set, the user can adjust through the display panel 112, and of course, the specific opening angle can be adjusted according to the actual use.

When the cover plate 131 is turned upwards by 15 degrees, the second air inlet group is small in relative opening, high in negative pressure, high in oil smoke gathering capacity and high in air quantity, and when the cover plate 131 is turned upwards by 45 degrees, the second air inlet group is large in relative opening, low in negative pressure and low in noise.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative embodiments of the present utility model, and the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be covered by the present utility model, and the scope of the present utility model shall be defined by the appended claims.

Claims (9)

1. A range hood, comprising:

the smoke exhaust device comprises an outer shell, wherein a smoke exhaust inner cavity is formed in the outer shell, a first air inlet group and a second air inlet group which are communicated with the smoke exhaust inner cavity are formed in the outer shell, and a switch piece for controlling the switch of the second air inlet group is arranged on the second air inlet group;

a smoke exhaust pipe group, wherein a smoke exhaust cavity communicated with the smoke exhaust cavity is formed in the smoke exhaust pipe group;

the fan is detachably connected in the smoke exhaust cavity;

The front side of the outer shell is provided with a second air inlet surface, the switch piece comprises a driving piece and a cover piece, two ends of the cover piece are provided with side baffle plates, the second air inlet surface is provided with a movable notch corresponding to the side baffle plates, and the side baffle plates move out of or move into the outer shell along the movable notch along with the switch of the switch piece.

2. The range hood of claim 1, wherein the range hood further comprises a hood body,

The first air inlet group comprises a plurality of first air inlets, the second air inlet group comprises a plurality of second air inlets, the first air inlets are open, and the second air inlets are configured to be closed by the switch piece.

3. The range hood according to claim 2, wherein,

The front side of the outer shell is also provided with a first air inlet surface, the first air inlet surface and the second air inlet surface are arranged at an angle, and the second air inlet surface is positioned above the first air inlet surface;

Each first air inlet array is arranged on the first air inlet surface, and each second air inlet array is arranged on the second air inlet surface.

4. The range hood according to claim 3, wherein,

The driving piece is connected to the outer shell, the cover plate piece is rotatably connected to the upper portion of the second air inlet face, and the driving piece is used for controlling the cover plate piece to open or close relative to the second air inlet face in an angle.

5. The range hood of claim 4, wherein the cooking fume remover comprises a plurality of cooking fume remover units,

The shell is internally provided with a storage cavity, the storage cavity is separated from the smoke exhausting cavity, and the side baffle is positioned in the storage cavity.

6. The range hood of claim 1, wherein the range hood further comprises a hood body,

The fan is in through supporting component angle detachable connection in the intracavity of discharging fume, the fan includes air inlet end and exhaust end, the air inlet end with the export intercommunication of the intracavity of discharging fume.

7. The range hood of claim 6, wherein the range hood further comprises a hood body,

The smoke exhaust pipe group is internally provided with a middle partition board, a smoke exhaust port is formed in the middle partition board, and the smoke exhaust end is communicated with the smoke exhaust port.

8. The range hood of claim 7, wherein the cooking fume remover comprises a fan,

The support assembly comprises an upper support and a lower support, wherein the upper support is used for fixing the top of the fan on the middle partition plate, and the lower support is used for fixing the bottom of the fan above the outer shell.

9. The range hood of claim 1, wherein the range hood further comprises a hood body,

The bottom of the outer shell is detachably connected with an oil collecting box, and the oil collecting box is communicated with the smoke exhausting inner cavity.