CN213713169U

CN213713169U - Fume exhaust fan

Info

Publication number: CN213713169U
Application number: CN202021921803.8U
Authority: CN
Inventors: 王登强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-07-16
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a range hood, which comprises a housin, the front side of casing is formed with the opening, range hood is still including setting up the panel components at the opening part, the panel components includes the panel support of being connected with the casing and sets up the panel of keeping away from opening one side at the panel support, the air intake has been seted up on the panel components the rotation of air intake department is provided with the fender cigarette board that is used for opening or closing the air intake, the panel is including the lower panel that is located the air intake below, its characterized in that: the panel includes panel and the top panel that is located the air intake top down, panel and cigarette board close or open the air intake jointly down, when the air intake was closed, lower panel part is located the air intake below and at least extends to air intake department at the upper end, when the air intake was opened, lower panel is located the air intake below. Compared with the prior art, the utility model has the advantages of: the area of the air inlet can be increased without changing the size of the smoke baffle.

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 of application number 201921493930.X discloses a range hood, panel including the casing and being located the 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 relative casing rotation is in order to open or close the air intake, respectively be provided with the side cigarette board that keeps off the cigarette board and drive by the main in the left and right sides of casing, when the main cigarette board that keeps off closes, the side cigarette board is in the first position, the side cigarette board is accomodate in the casing foldingly this moment, when the main cigarette board that keeps off is opened, the side cigarette board is in the second position, the side cigarette board expandes the left and right sides at the main cigarette board that keeps off this moment.

As shown in the above patent, the air intake area is invariable, and does not flow backward for the oil smoke, keeps off the cigarette board width and equals the air intake width, if enlarge the air intake area for improving oil smoke absorption ability, corresponding fender cigarette board size also need increase, but because the air intake of side-draft range hood is closer to the characteristic of smoke source, keeps off the too big two shortcomings that have of cigarette board: firstly, the risk of beating the pot can be caused in the turning process. Secondly, the too big cigarette board of keeping off can block user's sight. The width of the smoke barrier limits the area of the air inlet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a do not change and keep off the range hood that the cigarette board size just can increase the air intake area is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes the casing, the front side of casing is formed with the opening, range hood is still including setting up the panel components at the opening part, the panel components includes the panel support of being connected with the casing and sets up the panel of keeping away from opening one side at the panel support, the air intake has been seted up on the panel components air intake department rotates and is provided with the cigarette board that keeps off that is used for opening or closes the air intake, its characterized in that: the panel includes panel and the top panel that is located the air intake top down, panel and cigarette board close or open the air intake jointly down, when the air intake was closed, lower panel part is located the air intake below and at least extends to air intake department at the upper end, when the air intake was opened, lower panel is located the air intake below.

In order to facilitate the movement of the lower panel, the range hood also comprises a linkage device which enables the lower panel to move downwards along the panel bracket along with the opening of the smoke baffle and move upwards along the panel bracket along with the closing of the smoke baffle.

In order to realize the linkage of the smoke baffle and the lower panel, the linkage device comprises a sliding mechanism arranged between the lower panel and the panel bracket, and the linkage device also comprises a transmission mechanism arranged between the smoke baffle and the lower panel.

In order to realize the connection of the sliding mechanism and the lower panel, the sliding mechanism comprises a sliding rail which is arranged on the panel bracket in a longitudinally extending mode and a sliding block which is arranged on the sliding rail and can move along the extending direction of the sliding rail, and the sliding block is connected with one side, close to the panel bracket, of the lower panel.

In order to improve the connection stability of the sliding mechanism and the lower panel, the sliding mechanism is provided with two sliding mechanisms which are respectively arranged at the left side and the right side of the panel bracket.

In order to realize the connection of the transmission mechanism and the lower panel, the transmission mechanism comprises a first rotating part, a connecting rod and a connecting support, the first rotating part is respectively connected with one end of the smoke baffle plate and one end of the connecting rod, one end of the connecting support is connected with one side, close to the panel support, of the lower panel, the other end of the connecting support is connected with one end, far away from the first rotating part, of the connecting rod, and the connecting support is arranged on the panel support in a sliding mode.

In order to control the downward movement of the lower panel and avoid the interference between the lower panel and the wall body, a sliding groove which is formed along the extending direction of the connecting rod is formed at one end of the connecting rod, which is far away from the first rotating part.

In order to allow the connecting bracket to slide, the panel bracket is provided with a sliding hole which is longitudinally arranged and allows the connecting bracket to slide.

In order to facilitate the first transmission member to act along with the smoke baffle, the transmission mechanism further comprises a first smoke baffle support, one end of the first transmission member is rotatably connected with one end of the connecting rod, the other end of the first transmission member is rotatably connected with the shell, the middle of the first transmission member is further rotatably connected with one end of the first smoke baffle support, and the other end of the first smoke baffle support is fixedly connected with the smoke baffle.

In order to drive the rotation of keeping off the cigarette board, range hood is still including being used for the drive to keep off the drive arrangement that the cigarette board was opened and was closed, drive arrangement includes electric putter, the second that is connected with electric putter rotates the piece and keeps off the cigarette board support with the second that keeps off the cigarette board and be connected, electric putter includes the output, electric putter sets up the inboard at the casing, wherein one end and the casing of second rotation piece rotate and be connected, the other end rotates with electric putter's output and is connected, the centre that the second rotated the piece still rotates with the one end of second cigarette board support and is connected, the other end that the second kept off the cigarette board support is connected fixedly with keeping off the cigarette board.

Compared with the prior art, the utility model has the advantages of: by arranging the movable lower panel, when the smoke baffle is opened, the lower panel is moved downwards, so that the area of the air inlet is increased, the smoking capacity is improved, and the flow speed of the air inlet is correspondingly slowed down due to the increase of the unit section of the area of the air inlet, so that the noise reduction effect is achieved; the smoke baffle plate is linked with the lower panel through the linkage device, so that the use of a driving motor can be reduced, the cost is saved, and the control logic is simplified; when the smoke baffle is closed, the lower panel is moved upwards to the initial position, so that the phenomena of pan beating and user sight shielding in the turning process caused by the size of the smoke baffle are avoided; the sliding groove is formed in the end part, far away from the first rotating part, of the connecting rod, so that the connecting rod has a section of idle stroke in the moving process, the downward moving amount of the lower panel is controlled, and the lower panel is prevented from interfering with a wall body.

Drawings

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

fig. 2 is a cross-sectional view of the range hood according to the embodiment of the present invention when the smoke barrier is closed;

FIG. 3 is an enlarged view of portion I of FIG. 2;

fig. 4 is an exploded view of the range hood according to the embodiment of the present invention when the smoke barrier is closed;

fig. 5 is a schematic view of the range hood according to the embodiment of the present invention when the smoke barrier is in an open state;

fig. 6 is a sectional view of the range hood according to the embodiment of the present invention when the smoke barrier is opened;

FIG. 7 is an enlarged view of portion II of FIG. 6;

fig. 8 is an exploded view of the range hood according to the embodiment of the present invention when the smoke barrier is opened;

fig. 9 is a sectional view of the range hood according to the embodiment of the present invention when the smoke barrier is opened;

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 2 and 5 to 6, a range hood, which is a side-draft range hood, includes a hollow housing 1, and an opening 11 is formed at the front side of the housing 1. A panel assembly 2 is disposed at the opening 11, and the panel assembly 2 includes a panel bracket 21 connected to the housing 1 and a panel 22 disposed at a side of the panel bracket 21 away from the opening 11. The panel assembly 2, as in this embodiment, has an air inlet 23 formed in the middle of the panel assembly 2, and the smoke barrier 3 for opening or closing the air inlet 23 is rotatably disposed at the air inlet 23. The panel 22 includes an upper panel 222 located above the intake vent 23 and a lower panel 221 located partially below the intake vent 23. When the smoke barrier 3 closes the air inlet 23, the upper panel 222, the smoke barrier 3 and the lower panel 221 are flush, where flush means that the front surfaces of the panel 22 and the smoke barrier 3 are on the same plane or close to the same plane. And in the closed state of the smoke barrier 3, the lower panel 221 extends at least at the upper end to the air inlet 23. The width (the size in the vertical direction) of the smoke barrier 3 is smaller than that of the air inlet 23, and the width difference between the smoke barrier 3 and the air inlet 23 is the width of the lower panel 221 extending into the air inlet 23.

Referring to fig. 2 to 8, the range hood further includes a link device 4 that allows the lower panel 221 to move downward along the panel bracket 21 when the smoke barrier 3 is opened and to move upward along the panel bracket 21 when the smoke barrier 3 is closed.

Referring to fig. 4 and 8, the linkage 4 includes a slide mechanism 41 provided between the lower panel 221 and the panel bracket 21. The sliding mechanism 41 includes a sliding rail 411 disposed on the panel bracket 21 and extending longitudinally, and a slider 412 disposed on the sliding rail 411 and capable of moving along the extending direction of the sliding rail 411, wherein the sliding rail 411 can be fixed on the panel bracket 21 by a screw, and the slider 412 is connected to one side of the lower panel 221 close to the panel bracket 21. The slide mechanisms 41 in this embodiment have two, respectively disposed on the left and right sides of the panel holder 21.

Referring to fig. 2-3 and 6-7, the linkage 4 further includes a transmission mechanism 42 disposed between the smoke barrier 3 and the lower panel 221. The transmission mechanism 42 is located on the left side of the panel assembly 2. The transmission mechanism 42 includes a first rotating member 421, a connecting rod 422, and a connecting bracket 423. The first rotating member 421 is rotatably connected to the casing 1 (the rotating shaft of the first rotating member 421 extends along the left-right direction of the air inlet 23), for example, it can be connected to the side plate of the corresponding side of the casing 1. One end of the first rotating member 421 is rotatably connected to one end of the connecting rod 422, the other end of the first rotating member 421 is rotatably connected to the housing 1, one end of the first smoke barrier bracket 424 is rotatably connected to the middle of the first rotating member 421, and the other end of the first smoke barrier bracket 424 is fixedly connected to the smoke barrier 3. One end of the connecting bracket 423 is connected to one side of the lower panel 221 close to the panel bracket 21, and the other end is connected to one end of the connecting rod 422 far away from the first rotating member 421, and the connecting bracket 423 is slidably disposed on the panel bracket 21. A sliding groove 4221 formed along the extending direction of the connecting rod 422 is formed at one end of the connecting rod 422 far away from the first rotating member 421, and one end of the connecting bracket 423 far away from the lower panel 221 is connected with the sliding groove 4221 in a sliding manner. The panel bracket 21 is provided with a sliding hole 211 which is longitudinally arranged and is used for the connecting bracket 423 to slide.

When the link 422 moves downward, the end of the chute 4221 close to the first rotating member 421 abuts against the connecting bracket 423, so that the connecting bracket 423 (the lower panel 221) can be driven to move downward; when the link 422 moves upward, the end of the link 4221 away from the first rotation member 421 abuts against the connection bracket 423, and the connection bracket 423 (the lower panel 221) can be moved upward.

Referring to fig. 9, the range hood further includes a driving device 5 for driving the smoke barrier 3 to open and close, and the driving device 5 is disposed at the right side of the panel assembly 2. The driving device 5 comprises an electric push rod 51 and a second rotating part 52 connected with the electric push rod 51 and used for driving the smoke baffle 3 to rotate. The electric push rod 51 includes an output end 511, the electric push rod 51 is disposed inside the housing 1, and the second rotating member 52 is rotatably connected to the housing 1 (the rotating shaft of the second rotating member 52 extends in the left-right direction of the air inlet 23), such as being connected to a side plate of the corresponding side of the housing 1. One end of the second rotating piece 52 is rotatably connected with the output end of the electric push rod 51, the other end of the second rotating piece 52 is rotatably connected with the shell 1, the middle of the second rotating piece 52 is also rotatably connected with one end of a second smoke baffle bracket 53, and the other end of the second smoke baffle bracket 53 is fixedly connected with the smoke baffle 3.

The second rotating member 52 is driven to rotate by the movement of the output end 511 of the electric push rod 51, so as to control the opening and closing of the smoke barrier 3, and the first rotating member 421 connected to the smoke barrier 3 is connected to the connecting rod 422, so as to drive the connecting rod 422 to move, and finally drive the connecting support 423 to move, so as to realize the sliding of the lower panel 221 on the sliding mechanism 41. The end of the connecting rod 422 far from the first rotating member 421 is provided with a sliding slot 4221, so that the connecting rod 422 has a section of idle stroke in the moving process, and the downward movement of the lower panel 221 is controlled, thereby avoiding the interference between the lower panel 221 and the wall.

When the electric push rod 51 pushes the smoke baffle 3 to be opened, the lower panel 221 is moved downwards at the same time, so that the air inlet 23 is completely opened, the area of the air inlet 23 is increased, the smoking capacity is improved, and the flow speed of the air inlet area is correspondingly slowed down due to the increase of the unit section of the air inlet area, so that the noise reduction effect is achieved.

When the electric push rod 51 pushes the smoke barrier 3 to close, and simultaneously the lower panel 221 moves upwards to the initial position, and when the closed state is maintained, the width of the air inlet 23 is consistent with the width of the smoke barrier.

Claims

1. The utility model provides a range hood, includes casing (1), the front side of casing (1) is formed with opening (11), range hood is still including setting up panel components (2) in opening (11) department, panel components (2) include panel support (21) be connected with casing (1) and set up panel (22) keeping away from opening (11) one side in panel support (21), air intake (23) have been seted up on panel components (2) air intake (23) department rotates and is provided with cigarette board (3) that are used for opening or close air intake (23), its characterized in that: the panel (22) comprises a lower panel (221) and an upper panel (222) located above the air inlet (23), the lower panel (221) and the smoke baffle (3) close or open the air inlet (23) together, when the air inlet (23) is closed, the lower panel (221) is partially located below the air inlet (23) and at least extends to the air inlet (23) at the upper end, and when the air inlet (23) is opened, the lower panel (221) is located below the air inlet (23).

2. The range hood of claim 1, wherein: the range hood also comprises a linkage device (4) which enables the lower panel (221) to move downwards along the panel bracket (21) along with the opening of the smoke baffle plate (3) and to move upwards along the panel bracket (21) along with the closing of the smoke baffle plate (3).

3. The range hood of claim 2, wherein: the linkage device (4) comprises a sliding mechanism (41) arranged between a lower panel (221) and a panel bracket (21), and the linkage device (4) further comprises a transmission mechanism (42) arranged between the smoke baffle (3) and the lower panel (221).

4. The range hood of claim 3, wherein: the sliding mechanism (41) comprises a sliding rail (411) arranged on the panel bracket (21) in a longitudinally extending mode and a sliding block (412) arranged on the sliding rail (411) and capable of moving along the extending direction of the sliding rail (411), and the sliding block (412) is connected with one side, close to the panel bracket (21), of the lower panel (221).

5. The range hood of claim 4, wherein: the two sliding mechanisms (41) are respectively arranged at the left side and the right side of the panel bracket (21).

6. The range hood of claim 3, wherein: the transmission mechanism (42) comprises a first rotating piece (421), a connecting rod (422) and a connecting support (423), wherein the first rotating piece (421) is connected with one end of the smoke baffle (3) and one end of the connecting rod (422) respectively, one end of the connecting support (423) is connected with one side, close to the panel support (21), of the lower panel (221), the other end of the connecting support is connected with one end, far away from the first rotating piece (421), of the connecting rod (422), and the connecting support (423) is arranged on the panel support (21) in a sliding mode.

7. The range hood of claim 6, wherein: one end of the connecting rod (422) far away from the first rotating piece (421) is provided with a sliding groove (4221) which is arranged along the extending direction of the connecting rod (422).

8. The range hood of claim 6, wherein: the panel bracket (21) is provided with a sliding hole (211) which is longitudinally arranged and used for the connecting bracket (423) to slide.

9. The range hood of claim 6, wherein: drive mechanism (42) still includes first cigarette board support (424) that keeps off, the one end of first rotation piece (421) rotates with the one end of connecting rod (422) to be connected, the other end rotates with casing (1) to be connected, the centre of first rotation piece (421) still rotates the one end of connecting first cigarette board support (424), the other end and the cigarette board (3) fixed connection that keep off of first cigarette board support (424).

10. The range hood according to any one of claims 1 to 9, wherein: range hood still including being used for driving drive arrangement (5) that keep off cigarette board (3) and open and close, drive arrangement (5) include electric putter (51), rotate second (52) and keep off second cigarette board support (53) that cigarette board (3) are connected with electric putter (51) being connected, electric putter (51) include output (511), electric putter (51) set up the inboard in casing (1), wherein one end that second rotated piece (52) rotates output (511) of being connected, the other end and electric putter (51) rotate and be connected, the centre that second rotated piece (52) still rotates with the one end of second cigarette board support (53) and is connected, the other end and the cigarette board (3) of second cigarette board support (53) are connected fixedly.