CN215523446U

CN215523446U - Fume exhaust fan

Info

Publication number: CN215523446U
Application number: CN202121489707.5U
Authority: CN
Inventors: 杨伟刚
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-14
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a range hood, which comprises a shell and a panel arranged on the front side of the shell, wherein a first air inlet communicated with fluid on the inner side of the shell is formed in the panel, and the range hood is characterized in that: the range hood further comprises a smoke guide plate arranged on the front side of the first air inlet at intervals, a second air inlet communicated with fluid on the inner side of the shell is formed in the shell and above the smoke guide plate, and a third air inlet communicated with the fluid of the first air inlet is formed in the bottom of the smoke guide plate. Compared with the prior art, the utility model has the advantages that: the problem of user's head collision can be solved, the grease separation degree is good, the energy can be saved and noise can be avoided spreading to people's ear directly.

Description

Fume exhaust fan

Technical Field

The utility model relates to an oil fume purification device, in particular to a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The side-draft range hood absorbs most of oil smoke close to a cooking bench in an arc form by using a vortex air pressure principle, so that adverse effects on human health can be reduced, and the suction effect of a power source is basically not reduced because the power source is close to the cooking bench.

Chinese utility model patent of application number 202022050820.5 discloses a range hood, including casing, front panel and glass panels, the front panel is fixed in the front end department of casing, and the back department of front panel still is equipped with the panel connecting plate, is connected through the articulated seat of panel between panel connecting plate and the glass panels, is equipped with the cylinder that is the slant setting in the casing, and the front surface of front panel is equipped with the opening, and the panel connecting plate is equipped with the promotion arc spare, and the one end that promotes the arc spare is articulated mutually with the one end of cylinder.

The range hood is a side-draft range hood, and has the following defects: firstly, a user can easily touch the head of the smoke baffle plate (glass panel) in a working state; secondly, the oil screen mesh of the range hood of the turnover smoke baffle is often large, the oil separation degree is poor, and the oil smoke which is not fully filtered and separated is directly discharged into a flue, so that the environment is polluted; thirdly, a negative pressure area generated by opening the smoke baffle plate is right opposite to the two combustors, and the current trend of large air volume necessarily causes waste of natural gas energy and influences the heat efficiency of the cooker; fourthly, keep off the cigarette board and open the back, the fan is the main noise source, and the noise directly propagates to people's ear, influences experience and feels.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a range hood aiming at the defects of the prior art, which can solve the problem of head collision of a user, has good oil separation degree, saves energy and can prevent noise from being directly transmitted to human ears.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a range hood, includes the casing and sets up the panel in the casing front side, set up the first air intake with casing inside fluid intercommunication on the panel, its characterized in that: the range hood further comprises a smoke guide plate arranged on the front side of the first air inlet at intervals, a second air inlet communicated with fluid on the inner side of the shell is formed in the shell and above the smoke guide plate, and a third air inlet communicated with the fluid of the first air inlet is formed in the bottom of the smoke guide plate.

In order to facilitate cleaning, the smoke guide plate can be turned over relative to the panel.

In order to realize the turnover, the upper part of the smoke guide plate is rotatably connected with the panel, and the lower part of the smoke guide plate is detachably connected with the panel.

In order to realize the rotation between the upper portion of smoke guide plate and the panel, the range hood further comprises a rotating assembly, the upper portion of the smoke guide plate is connected with the panel through the rotating assembly, the rotating assembly comprises a first rotating piece and a second rotating piece which can rotate mutually, the first rotating piece is connected with one side of the panel facing the smoke guide plate, and the second rotating piece is connected with one side of the smoke guide plate facing the panel.

The lower part of leading the cigarette board is connected with dismantling of panel for being convenient for, be connected through buckle subassembly between the lower part of leading the cigarette board and the panel, buckle subassembly is including can joint complex cassette and joint, the cassette is connected towards one side of leading the cigarette board with the panel, the joint connects and leads the cigarette board and be connected towards one side of panel.

In order to increase the distribution range of the inlet air speed and the negative pressure and ensure that the smoke guide plate does not leak smoke all around, the range hood further comprises a fan system, the fan system comprises two fans which are arranged side by side left and right, the number of the first air inlets is consistent with that of the fans, and each first air inlet is arranged corresponding to the corresponding fan.

Preferably, in order to be adapted to the oil smoke rising path and better suck oil smoke, the housing is in a shape protruding forwards at the second air inlet, and the second air inlet is formed downwards.

Compared with the prior art, the utility model has the advantages that: through setting up smoke deflector, first air intake and second air intake to guarantee that the air inlet flow field distributes around smoke deflector, avoided the air intake wind speed to face the combustor directly, the energy can be saved leads the smoke deflector and has still changed the propagation path of the fan system noise source, prevents that the noise source from directly propagating the people ear, promotes to experience and feels, and smoke deflector can improve the grease separation degree, reduces the clean number of times of fan system.

Drawings

Fig. 1 is a schematic view of a range hood according to an embodiment of the present invention when a smoke deflector is not opened;

fig. 2 is a schematic view of the range hood according to the embodiment of the present invention when the smoke guide plate is opened;

fig. 3 is a sectional view of the range hood according to the embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and that the directional terms are used for purposes of illustration and are not to be construed as limiting, for example, because the disclosed embodiments of the present invention may be oriented in different directions, "lower" is not necessarily limited to a direction opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 to 3, a range hood is a side-draft range hood, and includes a housing 1, a panel 2 disposed on a front side of the housing 1, and a fan system disposed on an inner side of the housing 1.

The panel 2 is inclined from top to bottom and extends backward. The panel 2 is provided with a first air inlet 21 communicated with the fluid of the fan system at the inner side of the shell 1, and the range hood further comprises a smoke guide plate 3 arranged at the front side of the first air inlet 21 at intervals. When the range hood works, part of the oil smoke enters the first air inlet 21 from the periphery of the smoke guide plate 3, and the effect of sucking is achieved. A second air inlet 11 communicated with a fan system inside the casing 1 is arranged at the position of the casing 1 above the panel 2 and above the smoke guide plate 3, and a third air inlet 31 communicated with the first air inlet 21 is arranged at the bottom of the smoke guide plate 3. Preferably, the housing 1 is in a shape of a protrusion protruding forward at the second air inlet 11, and the second air inlet 11 is opened downward.

Referring to fig. 2, the smoke guide 3 can be turned over with respect to the panel 2. The upper part of the smoke guide plate 3 is rotatably connected with the panel 2, and the lower part of the smoke guide plate 3 is detachably connected with the panel 2. The range hood further comprises a rotating assembly 4 and a buckle assembly 5, the upper portion of the smoke guide plate 3 is rotatably connected with the panel 2 through the rotating assembly 4, and the lower portion of the smoke guide plate 3 is detachably connected with the panel 2 through the buckle assembly. The rotating assembly 4 comprises a first rotating member 41 and a second rotating member 42 which can rotate mutually, the first rotating member 41 is connected with one side of the panel 2 facing the smoke guide plate 3, and the second rotating member 42 is connected with one side of the smoke guide plate 3 facing the panel 2. The buckle assembly 5 comprises a clamping seat 51 and a clamping head 52 which can be clamped and matched, the clamping seat 51 is connected with one side of the panel 2 facing the smoke guide plate 3, and the clamping head 52 is connected with one side of the smoke guide plate 3 facing the panel 2. The overturning design of the smoke guide plate 3 is convenient for cleaning the inner sides of the panel 2 and the smoke guide plate 3.

Referring to fig. 2 to 3, the fan system includes two fans 6 arranged side by side left and right, the number of the first air inlets 21 is the same as that of the fans 6, and each first air inlet 21 is arranged corresponding to a corresponding fan 6. Through setting up two parallelly connected fans 6 to increased import wind speed and negative pressure distribution range, guaranteed that the cigarette does not run around leading cigarette board 3. The air inlet of each fan 6 corresponds to the first air inlet 21.

By arranging the smoke guide plate 3, the second air inlet 11 and the third air inlet 31, a sucking and side sucking type oil smoke sucking mode is formed, so that an air inlet flow field is distributed around the smoke guide plate, the air speed of the air inlet is prevented from directly facing a combustor, and energy is saved. The smoke guide plate 3 also changes the propagation path of the noise source of the fan system, prevents the noise source from directly propagating to human ears, and improves the experience feeling. And the smoke guide plate 3 can improve the oil separation degree and reduce the cleaning times of the fan system.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Claims

1. The utility model provides a range hood, includes casing (1) and sets up panel (2) in casing (1) front side, set up first air intake (21) with the inboard fluid intercommunication of casing (1) on panel (2), its characterized in that: the range hood further comprises a smoke guide plate (3) arranged on the front side of the first air inlet (21) at intervals, a second air inlet (11) communicated with the fluid on the inner side of the shell (1) is formed in the shell (1) and above the smoke guide plate (3), and a third air inlet (31) communicated with the fluid of the first air inlet (21) is formed in the bottom of the smoke guide plate (3).

2. The range hood of claim 1, wherein: the smoke guide plate (3) can be turned over relative to the panel (2).

3. The range hood of claim 2, wherein: the upper portion of smoke guide plate (3) is connected with panel (2) in a rotating mode, and the lower portion of smoke guide plate (3) is connected with panel (2) in a detachable mode.

4. The range hood of claim 3, wherein: the range hood still includes runner assembly (4), be connected through runner assembly (4) between the upper portion of leading cigarette board (3) and panel (2), runner assembly (4) rotate piece (42) including first rotation piece (41) and the second that can rotate each other, first rotation piece (41) are connected towards one side of leading cigarette board (3) with panel (2), the second rotates piece (42) and is connected towards one side of panel (2) with leading cigarette board (3).

5. The range hood of claim 3, wherein: lead and be connected through buckle subassembly (5) between the lower part of cigarette board (3) and panel (2), buckle subassembly (5) are including can joint complex cassette (51) and joint (52), cassette (51) are connected towards one side of leading cigarette board (3) with panel (2), joint (52) are connected towards one side of panel (2) with leading cigarette board (3).

6. The range hood according to any one of claims 1 to 5, wherein: the range hood further comprises a fan system, the fan system comprises two fans (6) which are arranged side by side from left to right, the number of the first air inlets (21) is consistent with that of the fans (6), and each first air inlet (21) is arranged corresponding to the corresponding fan (6).

7. The range hood according to any one of claims 1 to 5, wherein: the shell (1) is in a shape protruding forwards at the second air inlet (11), and the second air inlet (11) is formed downwards.