CN217274376U

CN217274376U - Fume exhaust fan

Info

Publication number: CN217274376U
Application number: CN202220590316.0U
Authority: CN
Inventors: 孔志平; 张静; 贺峰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-08-23
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a range hood, including the collection petticoat pipe, the front side of collection petticoat pipe is opened and is equipped with the air intake, range hood still opens or closes the fender cigarette board of air intake and is used for the drive to keep off the motion mechanism subassembly of cigarette board action including can overturning, the motion mechanism subassembly includes first motion, first motion includes actuating mechanism, first connecting rod, second connecting rod and transmission shaft, extend ground and set up in the collection petticoat pipe about the transmission shaft, actuating mechanism is used for the drive transmission shaft to rotate around self axis, the one end of first connecting rod is fixed and the other end is connected with keeping off the cigarette board with the transmission shaft, the one end of second connecting rod sets up in the collection petticoat pipe with rotating and the other end is connected with keeping off the cigarette board. Compared with the prior art, the utility model has the advantages of: the rotation center of keeping off the cigarette board can move at certain extent to realize that the cigarette board can make the combined motion of rotation + translation, thereby increased user's operating space, promote user experience.

Description

Fume exhaust fan

Technical Field

The utility model relates to an oil smoke purifier, especially a range hood.

Background

The fume exhauster is a kitchen appliance for purifying kitchen environment, and can quickly exhaust the waste burned by the stove and the fume generated in the cooking process to the outside, reduce pollution, purify air and the like. In order to better absorb and remove oil smoke and avoid oil smoke from escaping, a smoke baffle plate capable of deflecting is usually arranged at the position of an air inlet panel of the existing range hood, the smoke baffle plate can completely shield the air inlet of the air inlet panel in a closed state, and a triangular smoke gathering area is formed between the lower part of the smoke baffle plate and the air inlet panel in a state that the smoke baffle plate is opened at a certain angle. The range hood during operation keeps off the outside angle that overturns of cigarette board, can make the oil smoke that rises to keep off cigarette board department slow down and stop in the region of keeping off cigarette board department below then in time discharged by range hood, reduces the escape of oil smoke, increases and keeps off the oil smoke performance that the cigarette board can improve the suction lampblack absorber to a great extent.

Chinese utility model patent of application number 202122250421.8 discloses a turn over board formula range hood, including turning over board and pivot subassembly, the pivot subassembly includes rotatory piece and light source, is equipped with the cavity that is used for holding the light source in the first terminal surface of rotatory piece, turns over the board and is connected with rotatory second terminal surface, and first terminal surface is the contained angle setting with the second terminal surface, and rotatory piece configuration is for the drive to turn over the board and be circular motion around rotatory piece.

The existing low-suction range hood panel usually adopts a sectional type, an upper panel is fixed, a lower panel (smoke baffle) is opened in a fixed-axis rotation mode, the operation space of a user is small, and the user experience is poor.

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 range hood, open the back at the fender cigarette board, can increase user's operating space.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes collection petticoat pipe and sets up the fan frame on collection petticoat pipe, the front side of collection petticoat pipe is opened and is equipped with the air intake, range hood still opens or closes the cigarette board that keeps off of air intake and is used for the drive to keep off the motion mechanism subassembly of cigarette board action, its characterized in that with can overturning: the moving mechanism assembly comprises a first moving mechanism, the first moving mechanism comprises a driving mechanism, a first connecting rod, a second connecting rod and a transmission shaft, the transmission shaft is arranged in the smoke collecting hood in a left-right extending mode, the driving mechanism is used for driving the transmission shaft to rotate around the axis of the driving mechanism, one end of the first connecting rod is fixed to the transmission shaft, the other end of the first connecting rod is connected with the smoke blocking plate, one end of the second connecting rod is rotatably arranged in the smoke collecting hood, the other end of the second connecting rod is connected with the smoke blocking plate, and therefore the smoke blocking plate can rotate and translate in a combined mode, the upper end of the smoke blocking plate is upwards rotated backwards when the smoke blocking plate is opened, and the lower end of the smoke blocking plate is upwards rotated forwards.

In order to support the transmission shaft and provide an interface of the first connecting rod and the second connecting rod, the first movement mechanism further comprises a first support fixedly arranged in the smoke collecting hood, the transmission shaft is rotatably supported on the first support, and the second connecting rod is rotatably connected with the first support.

In order to facilitate the rotation of the driving transmission shaft, the first motion mechanism further comprises a crank, the driving mechanism is an electric push rod and comprises an output end, the output end is rotatably connected with one end of the crank, far away from the output end, is fixedly connected with the transmission shaft, and when the smoke baffle is in a closed state, one end, far away from the transmission shaft, of the first connecting rod is located above one end, far away from the first support, of the second connecting rod.

For making the left and right sides that keeps off the cigarette board move steadily, the motion mechanism subassembly still includes the second motion as the driven end, interval arrangement about first motion and the second motion, the second motion includes third connecting rod and fourth connecting rod, third connecting rod and fourth connecting rod are one end and set up in the collection petticoat pipe with rotating and the other end is connected with the cigarette board that keeps off.

Simultaneously for third connecting rod and fourth connecting rod provide the interface, the second motion still includes the fixed second support that sets up in the collection petticoat pipe, third connecting rod and fourth connecting rod all rotate with the second support and are connected during the closed condition of keeping off the cigarette board, the one end that the second support was kept away from to the third connecting rod is located the top that the one end of second support was kept away from to the fourth connecting rod.

For supporting the transmission shaft, the transmission shaft extends to the second bracket and is rotatably connected with the second bracket, and the third connecting rod is fixed with the transmission shaft.

In order to realize the connection of the first movement mechanism and the smoke baffle, the range hood further comprises a first smoke baffle bracket and a first connecting rod bracket which are arranged on one side of the smoke baffle facing the air inlet, one end of the first connecting rod, which is far away from the transmission shaft, and one end of the second connecting rod, which is far away from the first bracket, are rotatably connected with the first connecting rod bracket, and the first connecting rod bracket is fixedly connected with the first smoke baffle bracket.

In order to limit the angle of the first link rotating towards the front side, a first limiting part used for limiting the angle of the first link rotating towards the front side is further arranged on the first bracket.

In order to realize the connection between the second movement mechanism and the smoke baffle, the range hood further comprises a second smoke baffle bracket and a second connecting rod bracket which are arranged on one side of the smoke baffle, which faces the air inlet, wherein one end of the third connecting rod, which is far away from the second bracket, and one end of the fourth connecting rod, which is far away from the second bracket, are rotatably connected with the second connecting rod bracket, and the second connecting rod bracket is fixedly connected with the second smoke baffle bracket.

In order to limit the angle of the third link rod rotating towards the front side, a second limiting piece used for limiting the angle of the third link rod rotating towards the front side is further arranged on the second support.

Compared with the prior art, the utility model has the advantages of: the rotation center of keeping off the cigarette board can move at certain extent to realize that the cigarette board can make the combined movement of rotation + translation, its upper end upwards backward rotates when opening, and the lower extreme then upwards forward rotates, thereby increased user's operating space, promoted user experience.

Drawings

Fig. 1 is a schematic view of a smoke barrier 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 the smoke barrier is opened;

fig. 3 is a cross-sectional view of the range hood according to the embodiment of the present invention when the smoke barrier is opened;

fig. 4 is a schematic view of the moving mechanism assembly when the smoke baffle of the range hood according to the embodiment of the present invention is opened;

fig. 5 is a sectional view of the first movement mechanism when the smoke barrier of the range hood according to the embodiment of the present invention is opened;

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

fig. 7 is a schematic view of the moving mechanism assembly when the smoke barrier of the range hood according to the embodiment of the present invention is closed;

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 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, a range hood includes a fume collecting hood 1 and a fan frame 2 disposed on the fume collecting hood 1. The upper portion of the front side of the smoke collecting cover 1 is provided with a panel 8, the lower portion of the front side of the smoke collecting cover 1 is provided with an air inlet 11, and the range hood further comprises a smoke baffle 3 capable of turning over to open or close the air inlet 11. The smoke collecting hood 1 is a cuboid box structure, and the thickness in the front-back direction is smaller than that of the fan frame 2.

Referring to fig. 3, the range hood further includes a movement mechanism assembly for driving the smoke barrier 3 to move. The motion mechanism assembly includes a first motion mechanism 41 as a driving end and a second motion mechanism 42 as a driven end. In the present embodiment, the first movement mechanism 41 is located on the right side of the inside of the smoke collecting hood 1, and the second movement mechanism 42 is located on the left side of the inside of the smoke collecting hood 1.

Referring to fig. 4 to 7, the first movement mechanism 41 includes a first bracket 411, a driving mechanism 412, a crank 413, a first link 414, and a second link 415. The first bracket 411 and the drive mechanism 412 are both provided inside the smoke collecting cover 1. The driving mechanism 412 includes an output end 4121, the output end 4121 is rotatably connected to one end of a crank 413, one end of a first connecting rod 414 is fixedly connected to the transmission shaft 416, the first connecting rod 414 is rotatably connected to the first bracket 411 through the transmission shaft 416, one end of the crank 413 away from the output end 4121 is fixedly connected to the transmission shaft 416, one end of the first connecting rod 414 away from the transmission shaft 416 is rotatably connected to one side of the smoke barrier 3 facing the air inlet 11, one end of a second connecting rod 415 is rotatably connected to the first bracket 411, and one end of the second connecting rod 415 away from the first bracket 411 is rotatably connected to one side of the smoke barrier 3 facing the air inlet 11. In the closed state of the smoke barrier 3, the end of the first link 414 away from the transmission shaft 416 is located above the end of the second link 415 away from the first bracket 411. The driving mechanism 412 in this embodiment is an electric push rod.

The first bracket 411, the first link 414, the second link 415, and the smoke barrier 3 constitute a four-bar linkage.

The range hood also comprises a first smoke baffle plate bracket 4 and a first connecting rod bracket 5 which are arranged on one side of the smoke baffle plate 3 facing the air inlet 11. One end of the first link 414 away from the transmission shaft 416 and one end of the second link 415 away from the first bracket 411 are rotatably connected to the first link bracket 5, and the first link bracket 5 is fixedly connected to the first smoke barrier bracket 4.

The first bracket 411 is further provided with a first stopper 417 for limiting a rotation angle of the first link 414 toward the front side.

Referring to fig. 4 to 7, the second movement mechanism 42 includes a second bracket 421, a third link 422, and a fourth link 423. The second support 421 is arranged inside the smoke collecting cover 1, one end of the third connecting rod 422 is rotatably connected with the second support 421, one end of the third connecting rod 422, which is far away from the second support 421, is rotatably connected with one side of the smoke baffle 3, which faces the air inlet 11, the one end of the fourth connecting rod 423 is rotatably connected with the second support 421, and one end of the fourth connecting rod 423, which is far away from the second support 421, is rotatably connected with one side of the smoke baffle 3, which faces the air inlet 11. In the closed state of the smoke barrier 3, one end of the third link 422 away from the second support 421 is located above one end of the fourth link 423 away from the second support 421.

The transmission shaft 416 serves as a synchronizing shaft, so that the first motion mechanism 41 and the second motion mechanism 42 realize synchronous motion through the transmission shaft 416. The transmission shaft 416 extends in the left-right direction, and is driven by the drive mechanism 412 to be rotatable about its axis. The end of the transmission shaft 416 far away from the crank 413 extends to the second support 421, the transmission shaft 416 is rotatably connected with the second support 421, one end of the third connecting rod 422 far away from the smoke baffle 3 is fixedly connected with the transmission shaft 416, and the third connecting rod 422 is rotatably connected with the second support 421 through the transmission shaft 416.

The second holder 421, the third link 422, the fourth link 423, and the smoke barrier 3 also constitute a four-link mechanism. The rotation axis of each link of the first movement mechanism 41 and the second movement mechanism 42 extends in the left-right direction.

The range hood also comprises a second smoke baffle plate bracket 6 and a second connecting rod bracket 7 which are arranged on one side of the smoke baffle plate 3 facing the air inlet 11. One end of the third connecting rod 422, which is far away from the second support 421, and one end of the fourth connecting rod 423, which is far away from the second support 421, are both rotatably connected with the second connecting rod support 7, and the second connecting rod support 7 is fixedly connected with the second smoke baffle support 6.

The second bracket 421 is further provided with a second limiting member 424 for limiting the angle of the third link 422 rotating towards the front side.

The rotation center of keeping off cigarette board 3 in this embodiment can move in certain extent to realize keeping off cigarette board 3 and making the combined motion of rotation + translation, its upper end upwards rotates backward when opening, and the lower extreme then upwards rotates forward, thereby has increased user's operating space, promotes user experience.

Claims

1. The utility model provides a range hood, includes collection petticoat pipe (1) and sets up fan frame (2) on collection petticoat pipe (1), the front side of collection petticoat pipe (1) is opened and is equipped with air intake (11), range hood still opens or closes cigarette board (3) of keeping off of air intake (11) and is used for the drive to keep off the motion mechanism subassembly of cigarette board (3) action, its characterized in that with can overturning: the movement mechanism assembly comprises a first movement mechanism (41), the first movement mechanism (41) comprises a driving mechanism (412), a first connecting rod (414), a second connecting rod (415) and a transmission shaft (416), the transmission shaft (416) is arranged in the smoke collecting hood (1) in a left-right extending mode, the driving mechanism (412) is used for driving the transmission shaft (416) to rotate around the axis of the driving mechanism, one end of the first connecting rod (414) is fixed with the transmission shaft (416) while the other end of the first connecting rod is connected with the smoke baffle plate (3), one end of the second connecting rod (415) is rotatably arranged in the smoke collecting hood (1) while the other end of the second connecting rod is connected with the smoke baffle plate (3), and therefore the smoke baffle plate (3) performs a combined movement of rotation and translation, when the smoke baffle plate (3) is opened, the upper end rotates upwards and backwards, and the lower end rotates upwards and forwards.

2. The range hood of claim 1, wherein: the first movement mechanism (41) further comprises a first support (411) fixedly arranged in the fume collecting hood (1), the transmission shaft (416) is rotatably supported on the first support (411), and the second connecting rod (415) is rotatably connected with the first support (411).

3. The range hood of claim 1, wherein: the first movement mechanism (41) further comprises a crank (413), the driving mechanism (412) is an electric push rod and comprises an output end (4121), the output end (4121) is rotatably connected with one end of the crank (413), one end, far away from the output end (4121), of the crank (413) is fixedly connected with the transmission shaft (416), and when the smoke baffle plate (3) is in a closed state, one end, far away from the transmission shaft (416), of the first connecting rod (414) is located above one end, far away from the first support (411), of the second connecting rod (415).

4. The range hood of claim 1, wherein: the moving mechanism assembly further comprises a second moving mechanism (42) serving as a driven end, the first moving mechanism (41) and the second moving mechanism (42) are arranged at left and right intervals, the second moving mechanism (42) comprises a third connecting rod (422) and a fourth connecting rod (423), one end of each of the third connecting rod (422) and the fourth connecting rod (423) is rotatably arranged in the smoke collecting cover (1), and the other end of each of the third connecting rod (422) and the fourth connecting rod (423) is connected with the smoke blocking plate (3).

5. The range hood of claim 4, wherein: the second movement mechanism (42) further comprises a second support (421) fixedly arranged in the smoke collecting cover (1), the third connecting rod (422) and the fourth connecting rod (423) are both in rotating connection with the second support (421) in the closing state of the smoke blocking plate (3), and one end, far away from the second support (421), of the third connecting rod (422) is located above one end, far away from the second support (421), of the fourth connecting rod (423).

6. The range hood of claim 5, wherein: the transmission shaft (416) extends to the second bracket (421) and is rotatably connected with the second bracket (421), and the third connecting rod (422) is fixed with the transmission shaft (416).

7. The range hood of claim 1, wherein: the range hood is still including setting up in keeping off cigarette board (3) towards first cigarette board support (4) and first connecting rod support (5) of one side of air intake (11), the one end that transmission shaft (416) were kept away from in first connecting rod (414) and second connecting rod (415) keep away from one end of first support (411) all rotate with first connecting rod support (5) and be connected, first connecting rod support (5) and first cigarette board support (4) fixed connection.

8. The range hood of claim 2, wherein: the first bracket (411) is further provided with a first limiting piece (417) for limiting the angle of the first connecting rod (414) rotating towards the front side.

9. The range hood of claim 4, wherein: the range hood is characterized by further comprising a second smoke baffle support (6) and a second connecting rod support (7) which are arranged on one side, facing the air inlet (11), of the smoke baffle (3), one end, away from the second support (421), of the third connecting rod (422) and one end, away from the second support (421), of the fourth connecting rod (423) are rotatably connected with the second connecting rod support (7), and the second connecting rod support (7) is fixedly connected with the second smoke baffle support (6).

10. The range hood of claim 5, wherein: the second support (421) is further provided with a second limiting piece (424) for limiting the angle of the third connecting rod (422) rotating towards the front side.