CN214009306U

CN214009306U - Fume exhaust fan

Info

Publication number: CN214009306U
Application number: CN202022046004.7U
Authority: CN
Inventors: 彭臣西
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-08-20
Anticipated expiration: 2030-09-17

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 the relative face board upset, 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 cigarette blocking plate is in the second position, the lower end of the cigarette blocking plate is turned forwards; when in the third position, the upper end of the smoke baffle plate is turned forwards; thereby realizing the bidirectional opening and closing of the smoke baffle. Compared with the prior art, the utility model has the advantages of: through making the cigarette board realize two-way opening and shutting, the lower extreme that the cigarette board started to make the cigarette board of keeping off from the closed condition overturns forward to the upper portion of air intake and is in the mode, keeps off the cigarette board and starts to make the upper end that keeps off the cigarette board overturn forward to the lower part of air intake and be in clean mode from the closed condition, keeps off the cigarette board this moment and can not shelter from user's sight again, convenient clean operation.

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.

As application number 201921493930.X discloses a range hood, including the casing and be located the panel of casing front side, the air intake has been seted up on the panel, range hood still includes the main cigarette board that keeps off that can the casing rotation in order to open or close the air intake relatively, respectively is provided with the side cigarette board that keeps off the cigarette board by main cigarette board drive in the left and right sides of casing, and when the main cigarette board that keeps off was closed, the side cigarette board was in the first position, and the side cigarette board was accomodate in the casing with folding this moment, and when the main cigarette board that keeps off was opened, the side cigarette board was in the second position, and the side cigarette board expandes the left and right sides at the main cigarette board that keeps off this moment.

The cigarette board that keeps off on present syllogic or two segmentations's panel structure can only realize one-way opening and shutting (the lower extreme that keeps off the cigarette board overturns forward promptly), when keeping off the inside etc. of the oil net or the casing of cigarette board open mode lower air intake department and clean the management, because the existence that keeps off the cigarette board has sheltered from user's sight, brings inconvenience for user's clean operation.

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 a keep off the cigarette board and can two-wayly open and shut to can not shelter from the range hood of user's sight when clean operation.

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 the relative panel upset, 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 cigarette blocking plate is in the second position, the lower end of the cigarette blocking plate is turned forwards; when in the third position, the upper end of the smoke baffle plate is turned forwards; thereby realizing the bidirectional opening and closing of the smoke baffle.

In order to drive the smoke baffle to act, the range hood further comprises a movement mechanism used for driving the smoke baffle to act, the movement mechanism comprises a first driving mechanism, a second driving mechanism, a first transmission mechanism and a second transmission mechanism, the first transmission mechanism transmits the output of the first driving mechanism to the smoke baffle, the second transmission mechanism transmits the output of the second driving mechanism to the smoke baffle, the first transmission mechanism is rotatably connected with the smoke baffle in a sliding manner, the second transmission mechanism is rotatably connected with the smoke baffle in a sliding manner, and when the smoke baffle is at a first position, the joint of the first transmission mechanism and the smoke baffle is lower than the joint of the second transmission mechanism and the smoke baffle.

In order to realize the overturning of the lower end of the smoke baffle, the first driving mechanism is a motor, the first transmission mechanism comprises a first connecting rod and a first sliding block, one end of the first connecting rod is connected with an output shaft of the first driving mechanism, the other end of the first connecting rod is connected with the first sliding block in a rotating mode, and when the smoke baffle is at a first position, the first sliding block is connected with the smoke baffle in a vertical sliding mode towards one side in the shell.

In order to realize the sliding connection between the first smoke baffle support and the first sliding block, the first transmission mechanism further comprises the first smoke baffle support, a first guide rail is arranged on the first smoke baffle support, and the first sliding block is sleeved on the first guide rail and is in sliding connection with the first guide rail.

In order to fix the first driving mechanism and connect the first driving mechanism with the first connecting rod, the movement mechanism further comprises a first mounting bracket arranged on one side of the panel facing the shell, the first driving mechanism is fixedly arranged on the first mounting bracket, the first driving mechanism comprises a first output shaft, the first output shaft penetrates through the first mounting bracket and is rotatably connected with the first mounting bracket, and the end part of the first connecting rod is sleeved on the periphery of the first output shaft and is fixedly connected with the first output shaft.

In order to realize the upset of keeping off cigarette board upper end, second actuating mechanism is the motor, second drive mechanism includes second connecting rod and second slider, the one end of second connecting rod and first actuating mechanism's output shaft, the other end rotate and are connected with the second slider, keep off the cigarette board when the first position, second slider and keep off cigarette board towards one side in the casing from top to bottom sliding connection.

In order to realize the sliding connection between the second smoke baffle support and the second sliding block, the second transmission mechanism further comprises a second smoke baffle support, a second guide rail is arranged on the second smoke baffle support, and the second sliding block is sleeved on the second guide rail and is in sliding connection with the second guide rail.

In order to fix the second driving mechanism and connect the second driving mechanism with the second connecting rod, the movement mechanism further comprises a second mounting bracket arranged on one side of the panel facing the shell, the second driving mechanism is fixedly arranged on the second mounting bracket, the second driving mechanism comprises a second output shaft, the second output shaft penetrates through the second mounting bracket and is rotatably connected with the second mounting bracket, and the end part of the second connecting rod is sleeved on the periphery of the second output shaft and is fixedly connected with the second output shaft.

Compared with the prior art, the utility model has the advantages of: compared with the prior art, the utility model has the advantages of: through making the cigarette board realize two-way opening and shutting, the lower extreme that the cigarette board began to make the cigarette board from the closed condition turns over forward to the upper portion of air intake and is in the mode, and the cigarette board begins to make the upper end that keeps off the cigarette board turn over forward to the lower part of air intake and be in clean mode from the closed condition, and when clean operations such as oil screen or the casing inboard that set up in air intake department this moment, the cigarette board can not shelter from user's sight again, makes things convenient for clean operations.

Drawings

Fig. 1 is a schematic view of a smoke barrier of a range hood according to an embodiment of the present invention at a first position;

fig. 2 is a cross-sectional view of a smoke barrier of a range hood according to an embodiment of the present invention at a first position;

fig. 3 is a schematic view of a smoke barrier of the range hood according to the embodiment of the present invention at a second position;

fig. 4 is a cross-sectional view of the smoke barrier of the range hood according to the embodiment of the present invention at the second position;

fig. 5 is a schematic view of a smoke barrier of the range hood according to the embodiment of the present invention at a third position;

fig. 6 is a cross-sectional view of the smoke barrier of the range hood according to the embodiment of the present invention at the third position;

fig. 7 is an installation schematic diagram of the moving mechanism 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, 3 and 5, a range hood includes a housing 1 and a panel 2 disposed at the front side of the housing 1, an air inlet 21 is disposed on the panel 2, and the panel 2 includes an upper panel 22 located above the air inlet 21 and a lower panel 23 located below the air inlet 21.

A smoke baffle 3 which can be turned over relative to the panel 2 is arranged at the air inlet 21. The smoke barrier 3 can be respectively in a first position, a second position and a third position. In the first position, the smoke barrier 3 closes the air inlet 21; when in the second position, the lower end of the smoke baffle plate 3 is turned forwards; when in the third position, the upper end of the smoke baffle plate 3 is turned forwards; thereby realizing the bidirectional opening and closing of the smoke baffle 3. When the smoke barrier 3 is in the first position, the smoke barrier 3 comprises a smoke barrier inner side 31 facing the inner side of the housing 1 and a smoke barrier outer side 32 far away from the inner side of the housing 1.

Referring to fig. 2, 4, 6 and 7, the range hood further includes a moving mechanism for driving the smoke baffle 3 to move. The movement mechanism includes a first drive mechanism 41, a second drive mechanism 42, a first transmission mechanism 43, and a second transmission mechanism 44.

The first transmission mechanism 43 transmits the output of the first drive mechanism 41 to the smoke barrier 3, and the second transmission mechanism 44 transmits the output of the second drive mechanism 42 to the smoke barrier 3. The first transmission mechanism 43 is rotatably and slidably connected with the smoke barrier 3, the second transmission mechanism 44 is rotatably and slidably connected with the smoke barrier 3, and when the smoke barrier 3 is at the first position, the connection position of the first transmission mechanism 43 and the smoke barrier 3 is lower than the connection position of the second transmission mechanism 44 and the smoke barrier 3.

In the present embodiment, the first driving mechanism 41 is preferably a motor, and the first transmission mechanism 43 includes a first link 431 and a first slider 432. One end of the first link 431 is connected to the output shaft of the first driving mechanism 41, and the other end is rotatably connected to a first slider 432, and the first slider 432 is vertically slidably connected to the smoke barrier inner side 31. First drive mechanism 43 still includes first cigarette board support 433 that is provided with first guide rail 434 on first cigarette board support 433, and first slider 432 overlaps and establish sliding connection on first guide rail 434. First cigarette board support 433 can be the L type of buckling, and part is fixed with the laminating of cigarette board 3, and the part is buckled to the direction in the casing 1 and is convenient for set up first guide rail 434. The movement mechanism further comprises a first mounting bracket 45 arranged on the side of the panel 2 facing the housing 1, the first drive mechanism 41 being fixedly arranged on the first mounting bracket 45. The first driving mechanism 41 includes a first output shaft 411, the first output shaft 411 passes through the first mounting bracket 45 and is rotatably connected to the first mounting bracket 45, and an end of the first connecting rod 431 is sleeved on an outer circumference of the first output shaft 411 and is fixedly connected thereto. The first mounting bracket 45 and the first driving mechanism 41 are provided on the side of the panel 2 facing the inside of the casing 1 and at an upper position of the intake port 21.

In this embodiment, the second driving mechanism 42 is preferably a motor, the second transmission mechanism 44 includes a second connecting rod 441 and a second sliding block 442, one end of the second connecting rod 441 is connected to the output shaft of the first driving mechanism 41, the other end is rotatably connected to the second sliding block 442, and the second sliding block 442 is slidably connected to the smoke barrier inner side 31 up and down. The second transmission mechanism 44 further includes a second cigarette blocking plate support 443, a second guide rail 444 is disposed on the second cigarette blocking plate support 443, and the second sliding block 442 is sleeved on the second guide rail 444 and slidably connected thereto. The second cigarette retaining plate support 443 may be a bent L-shaped support, and a portion of the second cigarette retaining plate support is attached to the cigarette retaining plate 3, and a portion of the second cigarette retaining plate support is bent toward the inside of the housing 1 to facilitate the installation of the first guide rail 444. The movement mechanism further comprises a second mounting bracket 46 arranged on a side of the panel 2 facing the housing 1, the second drive mechanism 42 being fixedly arranged on the second mounting bracket 46. The second driving mechanism 42 includes a second output shaft 421, the second output shaft 421 passes through the second mounting bracket 46 and is rotatably connected to the second mounting bracket 46, and an end of the second connecting rod 441 is sleeved on an outer circumference of the second output shaft 421 and is fixedly connected thereto. The second mounting bracket 46 and the second driving mechanism 42 are disposed at a lower position of the air inlet 21 on a side of the panel 2 facing the inside of the casing 1.

Referring to fig. 7, in the present embodiment, the moving mechanism has two, which are respectively provided on the right side of the panel 2 as the driving end and on the left side of the panel 2 as the driven end. When the motion mechanism is used as the driven end, only the first transmission mechanism 43, the second transmission mechanism 44, the first mounting bracket 45 and the second mounting bracket 46 are required. Wherein, the first cigarette blocking plate bracket 433 in the first transmission mechanism 43 and the second cigarette blocking plate bracket 443 in the second transmission mechanism 44 are an integral structure.

The range hood in this embodiment includes two modes, be operating mode and cleaning mode respectively.

When the working mode is carried out:

referring to fig. 3 to 4, the opening operation of the smoke barrier 3: the range hood is started first, the first driving mechanism 41 and the second driving mechanism 42 are started simultaneously, when the connecting end portion of the second connecting rod 441 and the second slider 442 extends out of the front side of the panel 2 by the driving of the second driving mechanism 42, the second driving mechanism 42 stops working, at this time, the first driving mechanism 41 continues to operate, until the connecting end portion of the first connecting rod 431 and the first slider 432 extends out of the front side of the panel 2 by the preset value B, the first driving mechanism 41 stops working, and the opening action of the smoke barrier 3 is finished. Preferably, the preset value A is 15mm, and the preset value B is 126 mm.

The closing action of the smoke baffle 3: firstly, the oil smoke exhaust ventilator is closed, the first driving mechanism 41 works first to drive the lower end of the smoke baffle plate 3 to turn backwards, when the smoke baffle plate 3 is parallel to the upper panel 22, the second driving mechanism 42 starts to operate, and the smoke baffle plate 3 is closed under the driving of the first driving mechanism 41 and the second driving mechanism 42.

While in the cleaning mode:

referring to fig. 5 to 6, the opening operation of the smoke barrier 3: the range hood is started first, the first driving mechanism 41 and the second driving mechanism 42 are started simultaneously, when the connecting end portion of the first connecting rod 431 and the first slider 432 extends out of the front side of the panel 2 by the driving of the first driving mechanism 41 by a preset value C, the first driving mechanism 41 stops working, at this time, the second driving mechanism 42 continues to operate, until the connecting end portion of the second connecting rod 441 and the second slider 442 extends out of the front side of the panel 2 by a preset value D, the second driving mechanism 42 stops working, and the opening action of the smoke barrier 3 is finished. At this time, when the oil screen or the inner side of the housing 1 and the like at the air inlet 21 are cleaned, the smoke baffle 3 does not shield the user, and the cleaning operation is convenient. Preferably, the preset value C is 33mm, and the preset value D is 90 mm.

The closing action of the smoke baffle 3: firstly, the oil smoke exhaust ventilator is closed, the second driving mechanism 42 works first to drive the upper end of the smoke baffle plate 3 to turn backwards, when the smoke baffle plate 3 is parallel to the upper panel 22, the first driving mechanism 41 starts to operate, and the smoke baffle plate 3 is closed under the driving of the first driving mechanism 41 and the second driving mechanism 42.

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 keep off cigarette board (3) that can overturn relative to panel (2), 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 in the second position, the lower end of the smoke baffle plate (3) is turned forwards; when in the third position, the upper end of the smoke baffle plate (3) is turned forwards; thereby realizing the bidirectional opening and closing of the smoke baffle plate (3).

2. The range hood of claim 1, wherein: the range hood also comprises a movement mechanism for driving the smoke baffle plate (3) to act, the movement mechanism comprises a first driving mechanism (41), a second driving mechanism (42), a first transmission mechanism (43) and a second transmission mechanism (44), the first transmission mechanism (43) transmits the output of the first driving mechanism (41) to the smoke baffle plate (3), the second transmission mechanism (44) transmits the output of the second driving mechanism (42) to the smoke baffle plate (3), the first transmission mechanism (43) is rotationally connected and slidably connected with the smoke baffle plate (3), the second transmission mechanism (44) is rotationally connected and slidably connected with the smoke baffle plate (3), when the smoke baffle plate (3) is at the first position, the joint of the first transmission mechanism (43) and the smoke baffle plate (3) is lower than the joint of the second transmission mechanism (44) and the smoke baffle plate (3).

3. The range hood of claim 2, wherein: first actuating mechanism (41) are the motor, first drive mechanism (43) include first connecting rod (431) and first slider (432), the one end of first connecting rod (431) is connected with the output shaft of first actuating mechanism (41), the other end rotates and is connected with first slider (432), keep off cigarette board (3) when first position, first slider (432) and keep off cigarette board (3) towards one side in casing (1) sliding connection from top to bottom.

4. The range hood of claim 3, wherein: first drive mechanism (43) still includes first cigarette board support (433) of keeping off, be provided with first guide rail (434) on first cigarette board support (433), first slider (432) cover is established on first guide rail (434) and sliding connection.

5. The range hood of claim 3, wherein: the movement mechanism further comprises a first mounting bracket (45) arranged on one side, facing the shell (1), of the panel (2), the first driving mechanism (41) is fixedly arranged on the first mounting bracket (45), the first driving mechanism (41) comprises a first output shaft (411), the first output shaft (411) penetrates through the first mounting bracket (45) to be rotatably connected with the first mounting bracket (45), and the end portion of the first connecting rod (431) is sleeved on the periphery of the first output shaft (411) to be fixedly connected.

6. The range hood of claim 2, wherein: the second driving mechanism (42) is a motor, the second transmission mechanism (44) comprises a second connecting rod (441) and a second sliding block (442), one end of the second connecting rod (441) is connected with an output shaft of the first driving mechanism (41), the other end of the second connecting rod is rotatably connected with the second sliding block (442), and when the smoke blocking plate (3) is at a first position, the second sliding block (442) and the smoke blocking plate (3) are connected in a vertical sliding mode towards one side in the shell (1).

7. The range hood of claim 6, wherein: the second transmission mechanism (44) further comprises a second smoke baffle support (443), a second guide rail (444) is arranged on the second smoke baffle support (443), and the second sliding block (442) is sleeved on the second guide rail (444) and is in sliding connection with the second guide rail.

8. The range hood of claim 6, wherein: the movement mechanism further comprises a second mounting bracket (46) arranged on one side, facing the shell (1), of the panel (2), the second driving mechanism (42) is fixedly arranged on the second mounting bracket (46), the second driving mechanism (42) comprises a second output shaft (421), the second output shaft (421) penetrates through the second mounting bracket (46) to be rotatably connected with the second mounting bracket (46), and the end portion of the second connecting rod (441) is sleeved on the periphery of the second output shaft (421) to be fixedly connected.