CN213777827U

CN213777827U - Fume exhaust fan

Info

Publication number: CN213777827U
Application number: CN202022221006.5U
Authority: CN
Inventors: 陈玉龙; 施旭娜; 任树栋
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-23
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a range hood, including casing and the panel of setting in the casing front side, the air intake has been seted up on the panel, air intake department is provided with the cigarette board that keeps off that can open or close the air intake, its characterized in that: the smoke baffle plate can be respectively positioned at a first position, a second position and a third position, and when the smoke baffle plate is positioned at the first position, the smoke baffle plate closes the air inlet; when the smoke baffle plate is at the second position, the smoke baffle plate is positioned at the front side of the panel and is positioned above the air inlet; when the cigarette blocking plate is in the third position, the upper end of the cigarette blocking plate is turned forwards and is positioned below the second position. Compared with the prior art, the utility model has the advantages of: when the air inlet is cleaned or the oil stains of the parts located on the inner side of the air inlet are cleaned, the smoke baffle plate cannot shield the sight of a user, and the smoke baffle plate is convenient to clean towards one side of the inner side of the shell.

Description

Fume exhaust fan

Technical Field

The utility model relates to an oil smoke purifier, especially 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 No. 201720610367.4 discloses a novel four-bar linkage range hood, including the collection petticoat pipe, keep off the cigarette board subassembly, link mechanism divide into left link mechanism, right link mechanism, left side link mechanism, right link mechanism all includes initiative connecting rod and driven connecting rod, and the one end of initiative connecting rod and driven connecting rod respectively with keep off cigarette board subassembly rotatable coupling, the other end and the collection petticoat pipe rotatable coupling of driven connecting rod, connect in the pivot through rigid connection connected mode between the initiative connecting rod in the left link mechanism and the right link mechanism, and an at least initiative connecting rod and electric putter rotatable coupling, thereby realize keeping off the cigarette board subassembly and open and close.

This range hood keep off the cigarette board and can only remove towards the preceding top of collection petticoat pipe, when the greasy dirt of the inboard part of air intake department or clean position in needs clean air intake, keep off the cigarette board and can shelter from user's sight, cause clean inconvenient. And one side of the smoke baffle, which faces the inner side of the smoke collecting cover, is not easy to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art existence, provide one kind clean air intake department or when the clean greasy dirt that is located the inboard part of air intake, keep off the cigarette board and can not shelter from user's sight to be convenient for clean the range hood of keeping off the cigarette board towards one side of casing inboard.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes casing and the panel of setting in the casing front side, the air intake has been seted up on the panel, air intake department is provided with the cigarette board that keeps off that can open or close the air intake, its characterized in that: the smoke baffle plate can be respectively positioned at a first position, a second position and a third position, and when the smoke baffle plate is positioned at the first position, the smoke baffle plate closes the air inlet; when the smoke baffle plate is at the second position, the smoke baffle plate is positioned at the front side of the panel and is positioned above the air inlet; when the cigarette blocking plate is in the third position, the upper end of the cigarette blocking plate is turned forwards and is positioned below the second position.

In order to drive the smoke baffle to move, the range hood further comprises a connecting piece, one end of the connecting piece is directly or indirectly connected with the inner side of the shell in a rotating mode, the other end of the connecting piece is connected with one side, close to the inner side of the shell, of the smoke baffle in the first position in a rotating mode, and the rotating shaft of the connecting piece extends in the left-right direction.

In order to realize the action of the connecting piece and adjust the rotation angle between the smoke baffle and the connecting piece, the range hood also comprises a first movement mechanism for driving the connecting piece to rotate relative to the inner side of the shell and a second movement mechanism for driving the smoke baffle to rotate relative to the connecting piece.

In order to realize the action of the connecting piece, the first movement mechanism comprises a first motor, a first connecting rod and a second connecting rod which are arranged on the inner side of the shell, the first motor comprises a first output end, one end of the first connecting rod is fixedly connected with the first output end, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod, and one end, far away from the first connecting rod, of the second connecting rod is directly or indirectly rotatably connected with the connecting piece body of the connecting piece.

In order to adjust the turned angle between cigarette board and the connecting piece of keeping off, second motion is including setting up second motor, third connecting rod and the fourth connecting rod on the connecting piece, the second motor includes the second output, wherein one end of third connecting rod and second output fixed connection, the other end of third connecting rod and wherein one end of fourth connecting rod rotate to be connected, the one end that the third connecting rod was kept away from to the fourth connecting rod rotates with one side that is close to the casing inboard when the cigarette board is located the primary importance to be connected, when the cigarette board is located the primary importance, the fourth connecting rod is higher than the junction of connecting piece and cigarette board with the junction that keeps off the cigarette board.

In order to fix the connecting piece and the first motor, the range hood further comprises a mounting bracket arranged on the inner side of the shell, one end of the mounting bracket is connected with the top of the shell, the other end of the mounting bracket is connected with the rear side of the shell, the end part of the connecting piece far away from the smoke baffle is rotatably connected with the mounting bracket, the first motor of the first motion mechanism is arranged on one side of the left side and the right side of the mounting bracket, and the first output end of the first motor penetrates through the mounting bracket and then is fixedly connected with the end part of the first connecting rod far away from the second connecting rod.

In order to realize the rotation connection of the smoke baffle plate, the connecting piece and the fourth connecting rod, the range hood comprises a smoke baffle plate support arranged towards one side of the inner side of the shell when the smoke baffle plate is at the first position, the end part of the connecting piece close to the smoke baffle plate is rotationally connected with the smoke baffle plate support, and the end part of the fourth connecting rod far away from the third connecting rod is rotationally connected with the smoke baffle plate support.

Compared with the prior art, the utility model has the advantages of: the smoke baffle plate can be respectively positioned at a first position, a second position and a third position, and when the smoke baffle plate is positioned at the first position, the smoke baffle plate closes the air inlet and enters a closed state; when the smoke baffle plate is at the second position, the smoke baffle plate moves towards the front side and the upper part of the air inlet to enter a working mode; when the third position, the upper end that keeps off the cigarette board overturns forward and gets into clean mode, and when clean mode, clean air intake department or when the greasy dirt of the inboard part of clean position in air intake, keep off the cigarette board and can not shelter from user's sight to be convenient for clean keep off the cigarette board towards the inboard one side of casing.

Drawings

Fig. 1 is a schematic view of a range hood in a closed state according to an embodiment of the present invention;

fig. 2 is a sectional view (left view) of the range hood according to the embodiment of the present invention in a closed state;

fig. 3 is a sectional view (right view) of the range hood according to the embodiment of the present invention in a closed state;

fig. 4 is a sectional view of the range hood according to the embodiment of the present invention in an operating state;

fig. 5 is a sectional view of the range hood in the initial cleaning state according to the embodiment of the present invention;

fig. 6 is a sectional view (left view) of the final cleaning state of the range hood according to the embodiment of the present invention;

fig. 7 is a sectional view (right view) of the final cleaning state of the range hood according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center," "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 a generic and descriptive sense only and not for purposes of limitation, as the disclosed embodiments of the invention may be oriented in different directions and the directional terms are intended to be illustrative and should not be construed as limiting, such as "upper" and "lower" are not necessarily limited to directions 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 7, a range hood includes a housing 1 and a panel 2 disposed at a front side of the housing 1. An air inlet 21 is formed in the lower portion of the panel 2, and a smoke barrier 3 capable of opening or closing the air inlet 21 is arranged at the air inlet 21.

Referring to fig. 1 and fig. 4 to 5, the smoke barrier 3 can be respectively located at a first position, a second position and a third position, and in the first position, the smoke barrier 3 closes the air inlet 21, so that the range hood enters a closed state; when in the second position, the smoke baffle 3 moves to the front side and the upper part of the air inlet 21 and enters a working state; in the third position, the smoke barrier 3 moves downwards first, and then the upper end turns forwards to enter a cleaning state.

Referring to fig. 2 to 7, a mounting bracket 7 is disposed inside the housing 1, one end of the mounting bracket 7 is connected to the top of the housing 1, and the other end is connected to the rear side of the housing 1. The range hood further comprises a connecting piece 4, wherein one end of the connecting piece 4 is rotatably connected with the mounting bracket 7 of the shell 1, and the other end of the connecting piece 4 is rotatably connected with one side, close to the inner side of the shell 1, of the smoke baffle 3 at the first position. The link 4 in this embodiment is a rocker. The range hood also comprises a first movement mechanism 5 for driving the connecting piece 4 to rotate relative to the mounting bracket 7 and a second movement mechanism 6 for driving the smoke baffle 3 to rotate relative to the connecting piece 4.

The first movement mechanism 5 includes a first motor 51, a first link 52, and a second link 53 provided inside the housing 1. The first motor 51 may be fixedly disposed on the mounting bracket 7 at one of left and right sides of the mounting bracket 7. The first motor 51 includes a first output end 511, the first output end 511 passes through the mounting bracket 7 and is fixedly connected with one end of the first link 52, the other end of the first link 52 is rotatably connected with one end of the second link 53, and one end of the second link 53 far from the first link 52 is directly or indirectly rotatably connected with the connecting member 4.

The second movement mechanism 6 includes a second motor 61, a third link 62, and a fourth link 63 provided on the link 4. The second motor 61 includes a second output end 611, the second output end 611 passes through the connecting member 4 and then is fixedly connected to one end of the third connecting rod 62, the other end of the third connecting rod 62 is rotatably connected to one end of the fourth connecting rod 63, and one end of the fourth connecting rod 63, which is far away from the third connecting rod 62, is rotatably connected to one side of the smoke barrier 3, which is close to the inner side of the housing 1 when the smoke barrier 3 is located at the first position. When the smoke baffle 3 is located at the first position, the connection part of the fourth connecting rod 63 and the smoke baffle 3 is higher than the connection part of the connecting piece 4 and the smoke baffle 3. The end of the second link 53 remote from the first link 52 in this embodiment is rotatably connected to the link 4 by being rotatably connected to the second output 611.

The rotating shafts of the connecting rods and the connecting piece 4 extend in the left-right direction.

The range hood further comprises a smoke baffle support 8 which is arranged towards one side of the inner side of the shell 1 when the smoke baffle 3 is at the first position. The end part of the connecting piece 4 close to the smoke baffle 3 is rotationally connected with the smoke baffle bracket 8, and the end part of the fourth connecting rod 63 far away from the third connecting rod 62 is rotationally connected with the smoke baffle bracket 8.

In this embodiment, a dual-motor driving manner is adopted, the first motor 51 with large power is fixed on the mounting bracket 7, and the connecting member 4 is driven to rotate by driving the first connecting rod 52 and the second connecting rod 53. And a second motor 61 with smaller power is fixed on the connecting member 4, and functions to drive a third link 62 and a fourth link 63 to adjust the angle between the panel 2 and the connecting member 4.

Referring to fig. 1 to 4, when the range hood needs to enter a working state, the first motor 51 and the second motor 61 are simultaneously started, the first motor 51 drives the first connecting rod 52 to rotate in a reverse direction (facing to the left side of the housing 1), the first connecting rod 52 drives the joint of the connecting piece 4 and the smoke baffle bracket 8 to move upwards (to the upper position of the air inlet 21) towards the front side of the housing 1 through the second connecting rod 53, meanwhile, the second motor 61 drives the third connecting rod 62 to rotate in a clockwise direction (facing to the left side of the housing 1), the third connecting rod 62 drives the smoke baffle 3 to rotate to a proper angle through the fourth connecting rod 63 by using the joint of the connecting piece 4 and the smoke baffle bracket 8 as a rotation center, and the smoke baffle 3 moves to the front side of the housing 1 and a position corresponding to the upper portion of the panel 2.

Referring to fig. 1 to 3 and 5, when the range hood needs to enter a cleaning state, the first motor 51 and the second motor 61 are started simultaneously, the first motor 51 drives the first connecting rod 52 to rotate in a reverse direction (facing to the left side of the housing 1), and the first connecting rod 52 drives the joint of the connecting piece 4 and the smoke baffle plate support 8 to move towards the front side of the housing 1 by a certain angle through the second connecting rod 53 and then stop; referring to fig. 6 and 7, thereafter, the first motor 51 is stopped, the second motor 61 continues to move, the third connecting rod 62 is driven to rotate clockwise (facing to the left side of the housing 1), the third connecting rod 62 drives the smoke barrier 3 to rotate to a proper angle by taking the joint of the connecting piece 4 and the smoke barrier support 8 as a rotation center through the fourth connecting rod 63, so that when a user cleans an oil net at the air inlet 21 or a component located inside the air inlet 21, the smoke barrier 3 does not block the sight of the user, and meanwhile, the user is facilitated to clean the side of the smoke barrier 3 provided with the smoke barrier support 8.

Claims

1. The utility model provides a range hood, includes casing (1) and panel (2) of setting in casing (1) front side, air intake (21) have been seted up on panel (2), air intake (21) department is provided with can open or close cigarette board (3) of keeping off of air intake (21), its characterized in that: the smoke baffle plate (3) can be respectively positioned at a first position, a second position and a third position, and when the smoke baffle plate (3) is positioned at the first position, the smoke baffle plate closes the air inlet (21); when the smoke baffle plate is at the second position, the smoke baffle plate (3) is positioned on the front side of the panel (2) and is positioned above the air inlet (21); and when the third position is reached, the upper end of the smoke baffle plate (3) is turned forwards and is positioned below the second position.

2. The range hood of claim 1, wherein: the range hood further comprises a connecting piece (4), one end of the connecting piece (4) is directly or indirectly connected with the inner side of the shell (1) in a rotating mode, the other end of the connecting piece (4) is connected with one side, close to the inner side of the shell (1), of the smoke baffle plate (3) in the first position in a rotating mode, and a rotating shaft of the connecting piece (4) extends in the left-right direction.

3. The range hood of claim 2, wherein: the range hood also comprises a first movement mechanism (5) for driving the connecting piece (4) to rotate relative to the inner side of the shell (1) and a second movement mechanism (6) for driving the smoke baffle plate (3) to rotate relative to the connecting piece (4).

4. The range hood of claim 3, wherein: the first movement mechanism (5) comprises a first motor (51), a first connecting rod (52) and a second connecting rod (53) which are arranged on the inner side of the shell (1), the first motor (51) comprises a first output end (511), one end of the first connecting rod (52) is fixedly connected with the first output end (511), the other end of the first connecting rod (52) is rotatably connected with one end of the second connecting rod (53), and one end, far away from the first connecting rod (52), of the second connecting rod (53) is directly or indirectly rotatably connected with the connecting piece body (41) of the connecting piece (4).

5. The range hood of claim 3, wherein: the second movement mechanism (6) comprises a second motor (61), a third connecting rod (62) and a fourth connecting rod (63) which are arranged on the connecting piece (4), the second motor (61) comprises a second output end (611), one end of the third connecting rod (62) is fixedly connected with the second output end (611), the other end of the third connecting rod (62) is rotatably connected with one end of the fourth connecting rod (63), one end, far away from the third connecting rod (62), of the fourth connecting rod (63) is rotatably connected with one side, close to the inner side of the shell (1) when the smoke blocking plate (3) is located at the first position, and when the smoke blocking plate (3) is located at the first position, the connecting position of the fourth connecting rod (63) and the smoke blocking plate (3) is higher than the connecting position of the connecting piece (4) and the smoke blocking plate (3).

6. The range hood of claim 4, wherein: the range hood is characterized by further comprising a mounting bracket (7) arranged on the inner side of the shell (1), wherein one end of the mounting bracket (7) is connected with the top of the shell (1), the other end of the mounting bracket is connected with the rear side of the shell (1), the end part of the connecting piece (4) far away from the smoke baffle (3) is rotatably connected with the mounting bracket (7), a first motor (51) of the first moving mechanism (5) is arranged on one of the left side and the right side of the mounting bracket (7), and a first output end (511) of the first motor (51) penetrates through the mounting bracket (7) and then is fixedly connected with a first connecting rod (52) and the end part of the first connecting rod (53) far away from the second connecting rod.

7. The range hood of claim 5, wherein: the range hood comprises a smoke baffle plate support (8) arranged towards one side of the inner side of the shell (1) when the smoke baffle plate (3) is located at the first position, the end part, close to the smoke baffle plate (3), of the connecting piece (4) is rotatably connected with the smoke baffle plate support (8), and the end part, far away from the third connecting rod (62), of the fourth connecting rod (63) is rotatably connected with the smoke baffle plate support (8).