CN212378041U

CN212378041U - Fume exhaust fan

Info

Publication number: CN212378041U
Application number: CN202020494986.3U
Authority: CN
Inventors: 梅梦磊
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-01-19
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a range hood, including fan frame and the first box that sets up in the rear side below of fan frame, be linked together with the fan frame, its characterized in that: still including setting up on first box, the second box of first box longitudinal movement relatively, the second box is linked together with first box, the air intake has been seted up to the front side of second box, it can open or close the cigarette board that keeps off of air intake to be provided with in air intake department, air intake department is provided with and can opens along with keeping off the cigarette board, keep off the cigarette board and close and fold the oil net in the second box, keep off the cigarette board and be in when the open mode, the oil net is from bottom to top and extends towards the preceding slope of air intake gradually. The utility model has the advantages that: not only can adjust the height of air intake according to the height of different pans, but also can make the air intake be closer to the smoke source.

Description

Fume exhaust fan

Technical Field

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

Background

Chinese cooking can produce a large amount of oil smoke, and in order to keep the kitchen environment clean and the health of human body, the range hood has become one of the indispensable equipment in modern family kitchen.

For example, the chinese patent application No. 201911169810.9 discloses an oil smoke purifying device, which comprises a housing, a fan, and a filter screen assembly, wherein the housing has a smoke suction port, a smoke discharge port, and an air duct, the air duct has an air inlet section connected to the smoke suction port and an air outlet section connected to the smoke discharge port, the fan is disposed in the air outlet section, the filter screen assembly is rotatably disposed in the air inlet section, and the filter screen assembly has a plurality of filter holes.

Because the cookware used during cooking is of various types and the heights of various cookware are different, the smoke suction port of the oil smoke purification device is fixed and can not be adapted to the heights of different cookware, and the smoke suction port is far away from the smoke source, so that the oil smoke suction effect of the range hood is reduced.

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 not only can be according to the height of different pans and adjust the height of air intake, but also can make the range hood that the smoking mouth is closer to the smoke source.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes fan frame and sets up the first box that is linked together in the rear side below of fan frame, with the fan frame, its characterized in that: still including setting up on the first box, the second box of first box longitudinal movement relatively, the second box is linked together with first box, the front side of second box is opened and is equipped with the air intake department is provided with the cigarette board that keeps off that can open or close the air intake, air intake department is provided with and can opens along with keeping off the cigarette board, keeps off the cigarette board and close and fold the oil net in the second box, when keeping off the cigarette board and being in the open mode, the oil net is from bottom to top and extends towards the preceding slope of air intake gradually.

In order to realize that first oil net and second oil net can expand along with opening of keeping off the cigarette board, fold along with closing of keeping off the cigarette board, the oil net includes first oil net and the second oil net of arranging side by side under the open mode of keeping off the cigarette board, first oil net and second oil net are including the first side that is close to each other and the second side of keeping away from each other respectively, be provided with between the first side of first oil net and second oil net and make first oil net and second oil net relative pivoted articulated elements, the second side of first oil net is connected with the tip rotation that keeps off the cigarette board and keep away from the air intake, the second side of second oil net is connected with the second box part rotation that is located the air intake lower part.

In order to realize the expansion and folding of first oil net and second oil net, the articulated elements is including setting up the first articulated elements of keeping away from the left and right sides of air intake one side at first oil net respectively and setting up second oil net and keeping away from air intake one side, with the second articulated elements of first articulated elements adaptation, first articulated elements is connected through the round pin axle with the second articulated elements.

In order to seal the gaps formed between the two sides of the oil screen and the smoke baffle and the air inlet, the left side and the right side of the oil screen are respectively provided with a baffle which can seal the openings between the oil screen and the smoke baffle and the air inlet, and the smoke baffle, the oil screen and the baffle form a smoke collecting cavity.

Preferably, for with folding oil net adaptation the baffle is including setting up respectively in the left and right sides of first oil net, fixing the first baffle on keeping off the cigarette board and fixing the second baffle at second oil net left and right ends respectively.

In order to realize that the second box body can longitudinally move relative to the first box body, the first box body is hollow, the second box body is arranged on the inner side of the first box body, the range hood further comprises a lifting mechanism which can enable the second box body to longitudinally move relative to the first box body, and the lifting mechanism comprises a first movement mechanism which can drive the second box body to longitudinally move.

In order to make first motion can drive second box longitudinal movement, first motion is the sharp drive module that sets up at the inside rear side of first box, the first drive arrangement of first motion and the slider as the output by the drive arrangement drive, be formed with the couple on the slider, be formed with the hanging hole that is used for with the couple joint on the second box.

In order to reduce the assembly volume of the first box body and the second box body, an abdicating groove which is sunken towards the inside and is used for abdicating the first motion mechanism is formed at the rear side of the second box body.

In order to realize opening and closing of the smoke baffle, at least one side is provided with the second motion that can drive the smoke baffle and open or close in the inside left and right sides of second box, second motion includes second drive arrangement and connecting piece, second drive arrangement is sharp drive module, second drive arrangement rotates with the second box to be connected, wherein one end of connecting piece with keep off one side fixed connection, the other end that the smoke baffle is close to the air intake and second drive arrangement's output and rotate and be connected, the middle part of connecting piece rotates with the part of the second box on air intake upper portion and is connected.

In order to realize the adaptation to the heights of different pans, and adjust the air inlet of the range hood to the optimal height, the range hood further comprises a sensor capable of measuring the height of the pan placed below the range hood and a control device capable of controlling the longitudinal moving distance of the second box body according to the measurement information of the sensor.

Compared with the prior art, the utility model has the advantages of: the second box body capable of longitudinally moving relative to the first box body is arranged, so that the air inlet on the second box body can be adjusted to the optimal height according to the heights of different cookers; through being provided with in air intake department and can opening along with keeping off the cigarette board and expand, along with keeping off closing of cigarette board and folding first oil net and second oil net to under range hood operating condition, the oil net is from bottom to top and extends towards the front side direction slope of air intake gradually, thereby makes the air intake can be close to the smoke source more, promotes range hood's oil absorption cigarette effect.

Drawings

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

fig. 2 is a cross-sectional view of the hidden fan frame in the shutdown state of the range hood according to the embodiment of the present invention;

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

FIG. 4 is an enlarged view of portion II of FIG. 2;

fig. 5 is a schematic view of the starting state of the range hood according to the embodiment of the present invention;

FIG. 6 is an enlarged view of portion III of FIG. 5;

fig. 7 is a schematic view of the range hood according to the embodiment of the present invention after the fan frame and the first box are hidden when the range hood is in the power-on state;

FIG. 8 is an enlarged view of a portion IV of FIG. 7;

fig. 9 is a schematic view of the range hood according to the embodiment of the present invention after the oil screen is hidden when the range hood is in the power-on state.

Detailed Description

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

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

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, a range hood includes a fan frame 1 and a first box 2 disposed below a rear side of the fan frame 1.

Referring to fig. 2, 4 to 6 and 9, the first box 2 is hollow with a lower opening, the second box 3 capable of moving longitudinally relative to the first box 2 is arranged inside the first box 2, both the first box 2 and the second box 3 are hollow, and an air duct formed therein is communicated with the inside of the fan frame 1.

An air inlet 31 is opened at the front side of the second box 3, and a smoke barrier 4 capable of opening or closing the air inlet 31 is arranged at the air inlet 31. The air inlet 31 is further provided with an oil screen 5 which can be unfolded along with the opening of the smoke baffle 4 and can be folded along with the closing of the smoke baffle 4. An oil cup 11 is arranged at the bottom of the second box body 3, and the second box body 3 and the oil cup 11 can be connected through a hook.

In the open state of the smoke barrier 4, the oil screen 5 includes a first oil screen 51 and a second oil screen 52 arranged side by side, the first oil screen 51 is located above the second oil screen 52, and the first oil screen 51 and the second oil screen 52 include a first side close to each other and a second side far away from each other. Between the first side of first oil net 51 and second oil net 52, one side of keeping away from air intake 31 is provided with and enables first oil net 51 and the relative pivoted articulated elements 7 of second oil net 52, articulated elements 7 including set up respectively on the first articulated elements 71 of the first oil net 51 left and right sides and set up second oil net 52, with the second articulated elements 72 of first articulated elements 71 adaptation, be connected through round pin axle 73 between first articulated elements 71 and the second articulated elements 72, round pin axle 73 extends along left and right sides direction. The second side of the first oil screen 51 is rotatably connected with the end of the smoke baffle 4 far away from the air inlet 31, the second side of the second oil screen 52 is rotatably connected with the part of the second box 3 positioned at the lower part of the air inlet 31, and the second oil screen 52 is positioned above the oil cup 11. The rotational axes of the first oil screen 51 and the second oil screen 52 each extend in the left-right direction.

When the smoke barrier 4 is in an open state, the oil screen 5 is unfolded into a flat plate shape as a whole, and gradually extends from bottom to top towards the front side of the air inlet 31 in an inclined manner. When the smoke barrier 4 is in the closed state, the hinge joint of the first oil screen 51 and the second oil screen 52 can be folded toward the air inlet 31, and then is received in the second box 3. In addition, the first oil screen 51 and the second oil screen 52 are separately detachable, facilitating cleaning.

Referring to fig. 5 to 6 and 9, in the opened state of the smoke barrier 4, the left and right sides of the oil screen 5 are respectively provided with a baffle 6 capable of closing the opening between the oil screen 5, the smoke barrier 4 and the air inlet 31, and the baffle 6 includes a first baffle 61 respectively arranged at the left and right ends of the first oil screen 51 and fixed on the smoke barrier 4, and a second baffle 62 respectively fixed at the left and right ends of the second oil screen 52. The smoke baffle 4, the oil screen 5 and the baffle 6 form a smoke collecting cavity, and the oil screen gradually extends towards the front side of the air inlet from bottom to top in an inclined mode, so that the smoke collecting cavity is closer to a smoke source in the horizontal direction, and the probability of oil smoke escape is reduced.

Referring to fig. 2 to 3 and fig. 7 to 8, the range hood further includes a lifting mechanism 8 capable of moving the second box 3 longitudinally relative to the first box 2, and the lifting mechanism 8 includes slide rails 81 respectively disposed on the left and right sides inside the first box 2, and slide bars 82 respectively disposed on the left and right sides outside the second box 3 and slidably engaged with the slide rails 81. The lifting mechanism 8 further includes a first moving mechanism 83 disposed at the rear side of the inside of the first box 2 and capable of driving the second box 3 to move longitudinally, and the first moving mechanism 83 is a linear driving module and includes a longitudinally disposed sliding slot 831 disposed toward the rear side of the outside of the second box 3, a screw 832 disposed longitudinally in the sliding slot 831 along the length direction of the sliding slot 831, and a slider 833 capable of sliding longitudinally relative to the screw 832. The slider 833 is connected to the second casing 3 as an output end of the first moving mechanism 83. One end of the sliding block 833 is positioned in the sliding groove 831 and is in threaded connection with the screw 832, the other end of the sliding block 833 is positioned outside the sliding groove 831 and is provided with a hook 8331 with an upward opening, and a hanging hole 32 for being clamped with the hook 8331 is formed at the rear side of the second box body 3, so that the second box body 3 is hung on the first moving mechanism 83. The screw 832 of the first moving mechanism 83 can be driven to rotate by a first driving device, preferably a motor (not shown), so that the sliding block 833 can slide on the sliding groove 831 along the extending direction of the screw 832. The rear side of the second casing 3 is formed with an abdicating groove 33 depressed inwardly for abdicating the first moving mechanism 83, thereby reducing the assembly volume between the first casing 2 and the second casing 3.

Referring to fig. 2 and 6, at least one of the left and right sides inside the second box 3 is provided with a second movement mechanism 9 capable of driving the smoke barrier 4 to open or close, the second movement mechanism 9 includes a second driving device 91 and a connecting member 92 driven by the second driving device 91 to rotate, and the connecting member 92 is connected with the smoke barrier 4 and can drive the smoke barrier 4 to turn. The second driving device 91 is also a linear driving module, in this embodiment, the second driving device 91 is an electric push rod, and is rotatably connected to the inner side wall of the second box 3, for example, a housing of the electric push rod is connected to the second box 3, one end of the connecting member 92 is fixedly connected to the side of the smoke barrier 4 close to the air inlet 31, the other end of the connecting member is rotatably connected to the output terminal 911 of the second driving device 91, and the middle of the connecting member 92 is also rotatably connected to the portion of the second box 3 above the air inlet 31. The rotational shaft of the second driving device 91 extends in the left-right direction.

Referring to fig. 1, 5 and 9, the range hood further includes a sensor 10 capable of measuring the height of the pot, and a control device for controlling the longitudinal movement distance of the second housing 3 according to the measurement information of the sensor 10. The sensor 10 is arranged at the bottom of the fan frame 1, and preferably, the sensor 10 is a distance sensor. When range hood starts, sensor 10 detects the height of pan earlier, and controlling means controls the distance of moving down of second box 2 according to the height information control of the pan that sensor 10 measured, keeps off the cigarette board 4 and opens afterwards, and range hood's fan system begins work. When the range hood receives the shutdown instruction, the fan system stops operating, the smoke baffle 4 is closed and drives the first oil net 51 and the second oil net 52 to be folded and stored in the second box 3, and then the second box 3 moves upwards to the inside of the first box 2.

Claims

1. The utility model provides a range hood, includes fan frame (1) and sets up in the rear side below of fan frame (1), first box (2) that are linked together with fan frame (1), its characterized in that: the novel oil filter is characterized by further comprising a second box body (3) which is arranged on the first box body (2) and can move longitudinally relative to the first box body (2), the second box body (3) is communicated with the first box body (2), an air inlet (31) is formed in the front side of the second box body (3), a smoke baffle plate (4) which can open or close the air inlet (31) is arranged at the air inlet (31), an oil screen (5) which can be unfolded along with the opening of the smoke baffle plate (4) and can be folded in the second box body (3) when the smoke baffle plate (4) is in an open state is arranged at the air inlet (31), and the oil screen (5) extends obliquely from bottom to top gradually towards the front side of the air inlet (31).

2. The range hood of claim 1, wherein: oil net (5) are including first oil net (51) and second oil net (52) of arranging side by side under the open mode of keeping off cigarette board (4), first oil net (51) and second oil net (52) are including the first side that is close to each other and the second side of keeping away from each other respectively, be provided with between the first side of first oil net (51) and second oil net (52) and enable first oil net (51) and second oil net (52) relative pivoted articulated elements (7), the end rotation that air intake (31) were kept away from to the second side of first oil net (51) and keep off cigarette board (4) is connected, the second side of second oil net (52) is connected with the second box (3) part rotation that is located air intake (31) lower part.

3. The range hood of claim 2, wherein: articulated elements (7) are including setting up respectively in first articulated elements (71) of first oil net (51) keeping away from the left and right sides of air intake (31) one side and setting up second oil net (52) keep away from air intake (31) one side, with second articulated elements (72) of first articulated elements (71) adaptation, first articulated elements (71) are connected through round pin axle (73) with second articulated elements (72).

4. The range hood of claim 2, wherein: the left and right sides of oil net (5) are provided with respectively and can carry out confined baffle (6) with the opening between oil net (5), keep off cigarette board (4) and air intake (31), keep off cigarette board (4), oil net (5) and baffle (6) and constitute and hold together the cigarette chamber.

5. The range hood of claim 4, wherein: the baffle (6) comprises a first baffle (61) and a second baffle (62), wherein the first baffle (61) is arranged at the left end and the right end of the first oil net (51), the first baffle (61) is fixed on the smoke baffle (4), and the second baffle (62) is fixed at the left end and the right end of the second oil net (52).

6. The range hood according to any one of claims 1 to 5, wherein: the range hood is characterized in that the first box body (2) is hollow, the second box body (3) is arranged on the inner side of the first box body (2), the range hood further comprises a lifting mechanism (8) capable of enabling the second box body (3) to longitudinally move relative to the first box body (2), and the lifting mechanism (8) comprises a first moving mechanism (83) capable of driving the second box body (3) to longitudinally move.

7. The range hood of claim 6, wherein: first motion (83) are the linear drive module of setting at the inside rear side of first box (2), first motion (83) include first drive arrangement and by slider (833) of the driven conduct output of first drive arrangement, be formed with couple (8331) on slider (833), be formed with on second box (3) and be used for hanging hole (32) with couple (8331) joint.

8. The range hood of claim 7, wherein: and an abdicating groove (33) which is sunken towards the inside and is used for abdicating the first movement mechanism (83) is formed at the rear side of the second box body (3).

9. The range hood according to any one of claims 1 to 5, wherein: at least one side is provided with in the inside left and right sides of second box (3) and drives second motion (9) that keep off cigarette board (4) and open or close, second motion (9) include second drive arrangement (91) and connecting piece (92), second drive arrangement (91) are the sharp drive module, second drive arrangement (91) rotate with second box (3) and are connected, wherein one side fixed connection, the other end that one end and keep off cigarette board (4) of connecting piece (92) are close to air intake (31) rotate with output (911) of second drive arrangement (91) and are connected, the middle part of connecting piece (92) rotates with the part of second box (3) on air intake (31) upper portion and is connected.

10. The range hood according to any one of claims 1 to 5, wherein: the range hood further comprises a sensor (10) capable of measuring the height of a pot placed below the range hood and a control device for controlling the longitudinal moving distance of the second box body (3) according to the measurement information of the sensor (10).