CN216306341U

CN216306341U - Fume exhaust fan

Info

Publication number: CN216306341U
Application number: CN202122404873.7U
Authority: CN
Inventors: 项章特; 刘杰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-15
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a range hood, which comprises a main shell and a fan frame arranged above the main shell, wherein a main air inlet is formed in one side, facing a smoke source, of the main shell; when the first shell is in the first state, the first auxiliary air inlet is at least partially positioned outside the left side of the main shell, and when the first shell is in the second state, the first auxiliary air inlet is positioned inside the main shell; when the second shell is in the third state, the second auxiliary air inlet is at least partially positioned outside the right side of the main shell, and when the second shell is in the fourth state, the second auxiliary air inlet is positioned inside the main shell.

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 is used as an indispensable kitchen appliance for each family.

The utility model discloses a range hood as application number 202023103154.3's chinese utility model patent discloses, including smoking mechanism and actuating mechanism, smoking mechanism includes the smoke absorption cover, and actuating mechanism includes the safety cover, and the smoke absorption cover is one side open-ended cuboid box structure with the safety cover, and range hood is still including being used for supplying the fume to get into the ventilating board of smoking intracavity.

The range hood has larger volume and large occupied space if a larger range of oil smoke absorption is ensured; in addition, when the air passage is closed, if the resistance of the air passage is large, odor is likely to be tainted from the ventilation plate (oil net).

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a range hood, which can ensure a large range of range hood and occupy a small space.

The second technical problem to be solved by the present invention is to provide a range hood, which can prevent smell tainting when the range hood is turned off, in order to overcome the defects of the prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: the utility model provides a range hood, includes the main casing body and sets up the fan frame in main casing body top, the inboard fluid intercommunication of the inboard of the main casing body and fan frame, main air intake, its characterized in that have been seted up towards one side of smoke source on the main casing body: the range hood further comprises a first shell arranged on the left side of the main shell and a second shell arranged on the right side of the main shell, wherein the inner sides of the first shell and the second shell are both communicated with the inner side of the main shell in a fluid manner, the first shell and the second shell can transversely move left and right relative to the main shell, a first auxiliary air inlet is formed in the first shell, and a second auxiliary air inlet is formed in the second shell;

the first shell can be in a first state and a second state, when the first shell is in the first state, the first auxiliary air inlet is at least partially positioned outside the left side of the main shell, and when the first shell is in the second state, the first auxiliary air inlet is positioned inside the main shell;

the second shell can be in a third state and a fourth state, when the second shell is in the third state, the second auxiliary air inlet is at least partially positioned outside the right side of the main shell, and when the second shell is in the fourth state, the second auxiliary air inlet is positioned inside the main shell.

In order to drive the first shell and the second shell to move, the range hood further comprises a movement mechanism for driving the first shell and the second shell to be linked.

In order to drive the first shell and the second shell to move, the movement mechanism comprises a motor, a rotating disc, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the center of the rotating disc is connected with an output shaft of the motor, one end of the first connecting rod is rotatably connected with the left side of the rotating disc, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod, far away from the first connecting rod, is fixedly connected with the inner side of the first shell, one end of the third connecting rod is rotatably connected with the right side of the rotating disc, the other end of the third connecting rod is rotatably connected with one end of the fourth connecting rod, and one end of the fourth connecting rod, far away from the third connecting rod, is fixedly connected with the inner side of the second shell.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: when the first shell is in the second state and the second shell is in the fourth state, the part of the first shell and the second shell, which are positioned in the main shell, closes the main oil net.

In order to open and seal the main air inlet conveniently, main air inlet department is provided with the main oil net that is used for filtering the oil smoke, the first auxiliary air inlet department of first casing is provided with the first oil net that is used for filtering the oil smoke, the second auxiliary air inlet department of second casing is provided with the second oil net that is used for filtering the oil smoke, first oil net and second oil net all with the inboard fluid intercommunication of the main casing body, first oil net and second oil net can seal main oil net.

Preferably, in order to facilitate the closing of the oil net, the main oil net includes first oil net holes arranged at intervals in the left-right direction of the main casing and a first connecting portion connected between two adjacent first oil net holes, the first oil screen comprises second oil screen holes arranged at intervals along the left-right direction of the first shell and a second connecting part connected between two adjacent second oil screen holes, the second oil net comprises third oil net holes arranged at intervals along the left-right direction of the second shell and a third connecting part connected between every two adjacent third oil net holes, the second oil net holes and the third oil net holes are both arranged corresponding to the first oil net holes, when the first shell is in the second state and the second shell is in the fourth state, the second connecting portion and the third connecting portion are sealed at the corresponding first oil mesh holes, and the first connecting portion is sealed at the corresponding second oil mesh holes and the corresponding third oil mesh holes.

Compared with the prior art, the utility model has the advantages that: by arranging the first shell and the second shell, the cigarette gathering area can be enlarged, and the occupied space is small; when the first shell is in the second state and the second shell is in the fourth state, the parts of the first shell and the second shell, which are positioned in the main shell, can seal the main oil screen, so that the phenomenon of smell mixing caused by large smoke guide resistance when the range hood is shut down is prevented; when the first shell is in the second state and the second shell is in the fourth state, the second connecting portion and the third connecting portion are sealed at the corresponding first oil mesh holes, the first connecting portion is sealed at the corresponding second connecting portion and the corresponding third connecting portion, and when the range hood is closed, the oil mesh holes arranged in a staggered mode can play a role in preventing oil smoke from tainting odor.

Drawings

FIG. 1 is a schematic view of a range hood according to an embodiment of the present invention when closed;

FIG. 2 is a schematic view of the range hood according to the embodiment of the present invention when it is turned on;

FIG. 3 is a front cross-sectional view of a range hood in accordance with an embodiment of the present invention;

fig. 4 is a top 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.

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 includes a main housing 1 and a fan frame 2 disposed above the main housing 1, wherein an inner side of the main housing 1 is in fluid communication with an inner side of the fan frame 2.

The main housing 1 is provided with a main air inlet 13, and in this embodiment, the main air inlet 13 is provided with a main oil screen for filtering oil smoke, in order to be provided at the bottom of the main housing 1 on the side facing the smoke source. The main oil net includes first oil net holes 11 arranged at intervals in the left-right direction of the main casing 1 and first connection portions 12 connected between adjacent two first oil net holes 11.

The range hood further comprises a first housing 3 arranged on the left side of the main housing 1 and a second housing 4 arranged on the right side of the main housing 1. The insides of the first and

second housings

3 and 4 are both in fluid communication with the inside of the main housing 1, and the first and

second housings

3 and 4 are both laterally movable left and right relative to the main housing 1. The first casing 3 can be in a first state of being at least partially located on the left side of the main casing 1 as a left-side expanded portion of the main casing 1 and a second state of being hidden inside the main casing 1. The second casing 4 can be in a third state of being at least partially located on the right side of the main casing 1 as a right-side expanded portion of the main casing 1 and a fourth state of being hidden inside the main casing 1.

Referring to fig. 1 to 4, a first auxiliary air inlet 33 is formed in the first housing 3, a first oil screen for filtering oil smoke is disposed at the first auxiliary air inlet 33, and the first oil screen includes second oil screen holes 31 spaced apart from each other in the left-right direction of the first housing 3 and a second connection portion 32 connected between two adjacent second oil screen holes 31. The second casing 4 is provided with a second auxiliary air inlet 43, the second auxiliary air inlet 43 is provided with a second oil net for filtering oil smoke, and the second oil net comprises third oil net holes 41 arranged at intervals along the left-right direction of the second casing 4 and a third connecting part 42 connected between two adjacent third oil net holes 41. Both the second oil mesh hole 31 and the third oil mesh hole 41 are in fluid communication with the inside of the main casing 1. When the first housing 3 is in the first state and the second housing 4 is in the third state, the first auxiliary air inlet 33 and the second auxiliary air inlet 43 are both at least partially located outside the main housing 1, and when the first housing 3 is in the second state and the second housing 4 is in the fourth state, the first auxiliary air inlet 33 and the second auxiliary air inlet 43 are located inside the main housing 1. The hidden casing in this embodiment refers to the complete hiding of the auxiliary air inlet, which allows a part of the first casing 3 and the second casing 4 to be located outside the main casing 1.

The first oil net and the second oil net are both arranged corresponding to the main oil net, when the first housing 3 is in the second state and the second housing 4 is in the fourth state, the second connecting portion 32 and the third connecting portion 42 are closed at the corresponding first oil net holes 11, and the first connecting portion 12 is closed at the corresponding second oil net holes 31 and the corresponding third oil net holes 41. When the range hood is closed, the staggered oil mesh holes can play a role in preventing oil smoke from tainting odor.

Referring to fig. 3, the range hood further includes a moving mechanism 5 for driving the first housing 3 and the second housing 4 to move. The first housing 1 and the second housing 4 may be driven independently or may be linked as in the present application, and the moving mechanism 5 includes a motor 51, a rotating disk 52, a first link 53, a second link 54, a third link 55, and a fourth link 56. The center of the rotating disc 52 is connected with the output shaft of the motor 51, one end of the first connecting rod 53 is rotatably connected with the left side of the rotating disc 52, the other end of the first connecting rod 53 is rotatably connected with one end of the second connecting rod 54, one end of the second connecting rod 54 far away from the first connecting rod 53 is fixedly connected with the inner side of the first shell 3, one end of the third connecting rod 55 is rotatably connected with the right side of the rotating disc 52, the other end of the third connecting rod 55 is rotatably connected with one end of the fourth connecting rod 56, and one end of the fourth connecting rod 56 far away from the third connecting rod 55 is fixedly connected with the inner side of the second shell 4.

When the range hood is started, the first connecting rod 53 and the third connecting rod 55 on the two sides are rotated by the motor 51, so that the first shell 3 and the second shell 4 are pushed to be unfolded towards the left end and the right end respectively, and the smoke collecting area is enlarged; when the range hood is closed, the motor 51 rotates in the opposite direction to pull the first housing 3 and the second housing 4 to close.

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 main casing body (1) and sets up fan frame (2) in main casing body (1) top, the inboard fluid intercommunication of the inboard of main casing body (1) and fan frame (2), main air intake (13), its characterized in that have been seted up to one side towards the smoke source on main casing body (1): the range hood further comprises a first shell (3) arranged on the left side of the main shell (1) and a second shell (4) arranged on the right side of the main shell (1), wherein the inner sides of the first shell (3) and the second shell (4) are both communicated with the inner side of the main shell (1) in a fluid mode, the first shell (3) and the second shell (4) can transversely move left and right relative to the main shell (1), a first auxiliary air inlet (33) is formed in the first shell (3), and a second auxiliary air inlet (43) is formed in the second shell (4);

the first shell (3) can be in a first state and a second state, when the first shell (3) is in the first state, the first auxiliary air inlet (33) is at least partially positioned outside the left side of the main shell (1), and when the first shell (3) is in the second state, the first auxiliary air inlet (33) is positioned inside the main shell (1);

the second shell (4) can be in a third state and a fourth state, when the second shell (4) is in the third state, the second auxiliary air inlet (43) is at least partially positioned outside the right side of the main shell (1), and when the second shell (4) is in the fourth state, the second auxiliary air inlet (43) is positioned inside the main shell (1).

2. The range hood of claim 1, wherein: the range hood also comprises a movement mechanism (5) for driving the first shell (3) and the second shell (4) to be linked.

3. The range hood of claim 2, wherein: the movement mechanism (5) comprises a motor (51), a rotating disc (52), a first connecting rod (53), a second connecting rod (54), a third connecting rod (55) and a fourth connecting rod (56), the center of the rotating disc (52) is connected with an output shaft of a motor (51), one end of the first connecting rod (53) is rotationally connected with the left side of the rotating disc (52), the other end of the first connecting rod (53) is rotationally connected with one end of the second connecting rod (54), one end of the second connecting rod (54) far away from the first connecting rod (53) is fixedly connected with the inner side of the first shell (3), one end of the third connecting rod (55) is rotationally connected with the right side of the rotating disc (52), the other end of the third connecting rod (55) is rotationally connected with one end of the fourth connecting rod (56), one end of the fourth connecting rod (56) far away from the third connecting rod (55) is fixedly connected with the inner side of the second shell (4).

4. The range hood according to any one of claims 1 to 3, wherein: when the first shell (3) is in the second state and the second shell (4) is in the fourth state, the part, located in the main shell (1), of the first shell (3) and the second shell (4) closes the main air inlet (13).

5. The range hood of claim 4, wherein: the utility model discloses a lampblack filter, including main air intake (13), first supplementary air intake (33) of first casing (3) are located to be provided with the main oil net that is used for filtering the lampblack, the supplementary air intake (43) of second casing (4) are located to be provided with the second oil net that is used for filtering the lampblack, first oil net and second oil net all with the inboard fluid intercommunication of main casing body (1), main oil net can be sealed to first oil net and second oil net.

6. The range hood of claim 5, wherein: the main oil net comprises first oil net holes (11) arranged at intervals in the left-right direction of the main shell body (1) and first connecting parts (12) connected between two adjacent first oil net holes (11), the first oil net comprises second oil net holes (31) arranged at intervals in the left-right direction of the first shell body (3) and second connecting parts (32) connected between two adjacent second oil net holes (31), the second oil net comprises third oil net holes (41) arranged at intervals in the left-right direction of the second shell body (4) and third connecting parts (42) connected between two adjacent third oil net holes (41), the second oil net holes (31) and the third oil net holes (41) are both arranged corresponding to the first oil net holes (11), and when the first shell body (3) is in the second state and the second shell body (4) is in the fourth state, the second connecting part (32) and the third connecting part (42) are closed at the corresponding first oil mesh holes (11), and the first connecting part (12) is closed at the corresponding second oil mesh holes (31) and the third oil mesh holes (41).