CN218864275U

CN218864275U - Oil net assembly and range hood

Info

Publication number: CN218864275U
Application number: CN202222809147.8U
Authority: CN
Inventors: 马瑞敏; 安凯
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-04-14
Anticipated expiration: 2032-10-24

Abstract

An oil screen assembly comprising a filter plate having a plurality of filter holes, characterized in that: the filter plate is provided with a rotatable guide vane at least partial filter hole, and the rotation axis of each guide vane is basically parallel to the plate surface of the filter plate. The utility model discloses still relate to an use range hood that has aforementioned oil net subassembly.

Description

Oil net assembly and range hood

Technical Field

The utility model relates to an air purification equipment is used in the kitchen, concretely relates to is an oil net subassembly, still relates to an use range hood that has aforementioned oil net subassembly.

Background

The range hood is a common kitchen appliance. The range hood works by utilizing the fluid dynamics principle, a centrifugal fan arranged in the range hood generates negative pressure suction, oil smoke below the range hood is filtered by an oil screen arranged at an air inlet and then is sucked into the centrifugal fan, and the oil smoke is accelerated by the fan and then is guided to be discharged outdoors, so that the kitchen environment is purified.

For the existing Chinese kitchen, the range hood is usually a single air inlet, the kitchen range is usually provided with two furnace ends arranged side by side, one of the furnace ends is independently used or the two furnace ends are simultaneously used during cooking, no matter which using state is adopted, the oil smoke generating source corresponds to the positions of the two furnace ends, and the oil smoke concentration at the position corresponding to the middle of the range hood is relatively small. Most families can not use two furnace ends to stir-fry with big fire at the same time, use one furnace end to fry dish (the volume of producing oil smoke is very big) under the more circumstances, use another furnace end to cook (the volume of producing oil smoke is less), adopt current range hood, because the lampblack absorber air intake and the amount of wind that two furnace ends correspond are big or small not different, just exist the unilateral oil smoke and discharge in time inadequately easily, take place the problem that the oil smoke escapes.

In order to solve the above problems, the utility model patent No. ZL202120678159.4 (with the publication number of CN 215570673U) of china utility model discloses an air intake assembly, which comprises a panel, an air inlet is formed on the panel, a first oil net is arranged at the air inlet, two first oil nets are arranged on the panel, one ends of the two first oil nets are close to each other, the other ends of the two first oil nets are far away from each other, the air intake assembly further comprises a second oil net, each first oil net corresponds to one second oil net, the second oil net is detachably connected with the corresponding first oil net and can move relative to the first oil net, each second oil net can be respectively located at a first position and a second position, when the first position is adopted, the second oil net is matched with the first oil net and is wholly located in an air intake state that the air inlet is partially opened or closed, and when the second position is adopted, the second oil net is matched with the first oil net and is wholly located in an air intake state that the air inlet is partially opened or closed.

The air inlet assembly of the range hood moves relative to the fixed oil screen through the movable oil screen, so that the through holes on the double-layer oil screen are staggered, and the flow areas of the left side and the right side of the range hood are adjusted. However, the above range hood has insufficient guiding effect on the oil smoke, so that the oil smoke absorption effect of the range hood still needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that provides an oil net subassembly to foretell technical situation except can adjusting the through flow area of fluid, can also guide the air current of filtration pore department.

The utility model discloses the second technical problem that will solve provides a range hood that uses and has above-mentioned oil net subassembly to foretell technical situation.

The utility model provides a technical scheme that above-mentioned first technical problem adopted is: an oil screen assembly comprising a filter plate having a plurality of filter holes, characterized in that: the filter plate is provided with a rotatable guide vane at least partial filter hole, and the rotation axis of each guide vane is basically parallel to the plate surface of the filter plate.

The oil screen component is provided with a rotatable guide vane at least partial filter hole, and the rotation axis of each guide vane is basically parallel to the plate surface of the filter plate, so that each guide vane can adjust the included angle between the guide vane and the filter plate through overturning relative to the filter plate, thereby adjusting the opening of each filter hole, adjusting the flow cross section of each filter hole, and based on the wall attachment effect, each guide vane can guide the oil smoke corresponding to the filter hole to move along the guide vane, thereby enabling the guide effect of the oil screen component to be better.

In order to facilitate the linkage of at least partial guide vanes, a linkage mechanism is arranged on the filter plate and is used for driving at least partial guide vanes to be linked.

In order to make the transmission of the link gear more effective, all be equipped with on each guide vane with the filter plate rotates the pivot of being connected, the central axis of each pivot is the axis of rotation of the guide vane that corresponds, and wherein at least local pivot passes through the link gear connects.

In order to avoid that each pivot occupies the through-flow area of the corresponding filtration pore, each pivot all is located the filtration pore outside that corresponds.

In order to facilitate the layout of the linkage mechanism, all the guide vanes are positioned on the same surface of the filter plate.

In order to make the linkage mechanism structure simpler, note that all guide vanes that pass through the linkage mechanism link are the blading in blading, all guide vanes's pivot parallel arrangement basically, and its at least one end is equipped with connecting portion, the linkage mechanism include a plurality of basic perpendiculars the first transfer line of pivot, and all through one between the connecting portion of corresponding end on two adjacent pivots the first transfer line connect.

In order to facilitate the rotation of the guide wheel blades, in the blade group, two guide blades positioned at the edge are respectively a first guide blade and a second guide blade, the filter plate is further provided with a driving motor of which the output end is basically vertical to the rotating shaft and a second transmission rod connected with the output end of the driving motor, and the other end of the second transmission rod is connected with a corresponding connecting part on the first guide blade, or the other end of the second transmission rod is connected with a corresponding connecting part on the second guide blade.

In order to adjust the flow area of the fluid more quickly when the guide vanes are rotated, the axis of rotation of each guide vane is adjacent to one side edge thereof.

The filter plate is further designed to be in a strip shape, the filter holes are distributed at intervals along the length direction of the filter plate, and each filter hole extends along the width direction of the filter plate.

In order to reduce the rotation angle of each guide vane, the rotation axis of each guide vane is arranged along the length direction of the filter hole, so that each guide vane is not easy to interfere with the parts around the oil screen assembly when being turned over.

The utility model provides a technical scheme that above-mentioned second technical problem adopted is: the utility model provides a range hood, includes the collection petticoat pipe and locates air intake on the collection petticoat pipe, its characterized in that: at least two oil net components are arranged at the air inlet along the left and right directions.

Range hood is through setting up two at least aforementioned oil net subassemblies along left right direction in air intake department, can make the through flow area to the fluid of air intake department left and right sides adjust to distribute the flow of air intake left and right sides, can also guide the oil smoke to flow, and because the oil net subassembly is modular design, can conveniently install and remove the oil net subassembly, so that wash the oil net subassembly.

The outer part of the range hood is usually provided with a smoke baffle or a rectifying plate at the air inlet, and in order to avoid the guide vanes occupying the space of the outer part of the range hood at the air inlet, each guide vane is positioned in the smoke collecting hood.

In order to enable the air inlet to be closer to a kitchen range and enable a smoke collecting hood of the range hood to be difficult to bump the pot, the smoke collecting hood is provided with a bottom wall which is gradually inclined downwards from front to back, and the air inlet is arranged on the bottom wall of the smoke collecting hood.

Compared with the prior art, the utility model has the advantages of: the oil screen assembly is provided with a rotatable guide vane at least partial filter hole, and the rotation axis of each guide vane is basically parallel to the plate surface of the filter plate, so that each guide vane can adjust the included angle between the guide vane and the filter plate through overturning relative to the filter plate, thereby adjusting the opening of each filter hole, and adjusting the flow cross section of each filter hole; range hood is through setting up two at least aforementioned oil net subassemblies along left right direction in air intake department, can make the through flow area to the fluid of air intake department left and right sides adjust to distribute the flow of air intake left and right sides, can also guide the oil smoke to flow, and because the oil net subassembly is modular design, can conveniently install and remove the oil net subassembly, so that wash the oil net subassembly.

Drawings

Fig. 1 is a three-dimensional structure diagram (in the state that the filtering holes are opened) of the range hood in the embodiment of the present invention;

fig. 2 is a first three-dimensional structure diagram (with filter holes opened) of the oil screen assembly according to the embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a second three-dimensional structure diagram (in the state that the filtering holes are opened) of the oil screen assembly in the embodiment of the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is a perspective view of the rotating shaft according to the embodiment of the present invention;

fig. 7 is a three-dimensional structure view of the range hood according to the embodiment of the present invention (in a state that the filtering holes are closed);

fig. 8 is a three-dimensional structure diagram of the oil screen assembly in the embodiment of the present invention (in the state that the filtering holes are closed).

Detailed Description

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

Example 1

As shown in fig. 1 to 8, the preferred embodiment of the present invention is shown.

As shown in fig. 1 and 7, the range hood in this embodiment is a near-suction integrated range hood, and the range hood includes a smoke collecting hood 7, the smoke collecting hood 7 has a bottom wall 71 that is gradually inclined downward from front to back, and an air inlet 711 extending from left to right is disposed on the bottom wall 71 of the smoke collecting hood, so that the range hood can have the advantages of an european range hood and a near-suction range hood, and a head collision and a pot collision are not easy to occur, and the air inlet 711 can be closer to a kitchen range, thereby making the range hood have a better smoke suction effect. The left half part and the right half part of the air inlet 711 of the smoke collecting hood 7 are respectively provided with an oil screen assembly 100.

As shown in fig. 1, 2, 4 and 8, each oil screen assembly 100 includes a filter plate 1 extending left and right, a plurality of filter holes 11 are distributed at intervals along the length direction of each filter plate 1, and each filter hole 11 extends along the width direction of the filter plate 1. Each filter plate 1 is provided with a rotatable guide vane 2 at each filter hole 11, and the rotation axis of each guide vane 2 is substantially parallel to the plate surface of the corresponding filter plate 1, so that each guide vane 2 can adjust the included angle between the guide vane and the filter plate 1 by turning over the corresponding filter plate 1, thereby adjusting the opening of each filter hole 11, adjusting the flow cross-sectional area of each filter hole 11, further adjusting the flow area of the fluid at the left and right sides of the air inlet 711, thereby distributing the flow at the left and right sides of the air inlet 711, and based on the wall attachment effect, each guide vane 2 can guide the oil smoke at the corresponding filter hole 11 to move along the guide vane 2, thereby enabling the flow guide effect of the oil screen assembly 100 to be better. In addition, because the oil screen assembly 100 is in a modularized design, the oil screen assembly 100 can be conveniently assembled and disassembled, so that the oil screen assembly 100 can be conveniently cleaned. Each guide vane 2 is arranged on the reverse side of the corresponding filter plate 1, so that each guide vane 2 is positioned inside the fume collecting hood 7, and the guide vane 2 can be prevented from occupying the space outside the range hood at the air inlet 711.

As shown in fig. 2, each guide vane 2 is in a strip shape adapted to the corresponding filtering hole 11, one side of each guide vane 2 in the width direction is connected with a rotating shaft 3, each rotating shaft 3 is parallel to the length direction of the corresponding filtering hole 11, and each rotating shaft 3 is rotatably disposed on the filter plate 1 and located at one side of the outside of the corresponding filtering hole 11, so that the central axis of each rotating shaft 3 is the rotating axis of the corresponding guide vane 3, the rotating angle of each guide vane 2 can be reduced, and each guide vane 2 is not easily interfered with the components around the oil screen assembly 100 when rotating. Each filter plate 1 is provided with a linkage mechanism, and each linkage mechanism connects the rotating shafts 3 of all the guide vanes 2 on the corresponding filter plate 1 together, so that all the guide vanes 2 on the corresponding filter plate 1 can be driven to be linked.

As shown in fig. 3, 5, 6 and 8, in each oil screen assembly 100, the rotating shafts 3 of all the guide vanes 2 are arranged substantially in parallel, and both ends thereof are provided with connecting portions 31; each linkage mechanism comprises a plurality of first transmission rods 4 which are basically vertical to the rotating shafts 3, and the connecting parts 31 at the upper ends of two adjacent rotating shafts 3 are connected through one first transmission rod 4. Specifically, two through holes 311 are disposed on the connecting portion 31 at the upper end of each rotating shaft 3, first insertion portions 41 bent toward the extending direction of the rotating shaft 3 are disposed at both ends of each first transmission rod 4, and each first insertion portion 41 is alternatively inserted into two through holes 311 on the connecting portion 31 at the corresponding end. The two guide vanes 2 at the edge are respectively a first guide vane 2a and a second guide vane 2b, each filter plate 1 is further provided with a driving motor 5 whose output end is substantially perpendicular to the rotating shaft 3 and a second transmission rod 6 connected with the output end of the driving motor 5, the other end of the second transmission rod 6 is bent towards the extending direction of the rotating shaft 3 to form a second insertion part 61, and the second insertion part 61 is inserted into the through hole 311 of the corresponding connecting part 31 on the first guide vane 2 a.

Terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like, are used in the specification and claims of the present invention to describe various example structural parts and elements of the present invention, but these terms are used herein only for convenience of description and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. An oil screen assembly comprising a filter plate (1) having a plurality of filter holes (11), characterized in that: the filter plate (1) is provided with a rotatable guide vane (2) at least at a part of the filter holes (11), and the rotation axis of each guide vane (2) is basically parallel to the plate surface of the filter plate (1).

2. The oil screen assembly of claim 1, wherein: the filter plate (1) is provided with a linkage mechanism which is used for driving at least partial guide vanes (2) to be linked.

3. The oil screen assembly of claim 2, wherein: each guide vane (2) is provided with a rotating shaft (3) which is rotatably connected with the filter plate (1), the central axis of each rotating shaft (3) is the rotating axis of the corresponding guide vane (2), and at least partial rotating shaft (3) is connected through the linkage mechanism.

4. The oil screen assembly of claim 3, wherein: each rotating shaft (3) is positioned outside the corresponding filtering hole (11).

5. The oil screen assembly of claim 4, wherein: each guide vane (2) is positioned on the same surface of the filter plate (1).

6. The oil screen assembly of claim 5, wherein: all the guide vanes (2) linked by the linkage mechanism are taken as a vane set, in the vane set, rotating shafts (3) of all the guide vanes (2) are basically arranged in parallel, and at least one end of each rotating shaft is provided with a connecting part (31), the linkage mechanism comprises a plurality of first transmission rods (4) basically perpendicular to the rotating shafts (3), and the connecting parts (31) at the corresponding ends of two adjacent rotating shafts (3) are connected through one first transmission rod (4).

7. The oil screen assembly of claim 6, wherein: in the blade group, two guide vanes (2) at the edge are respectively a first guide vane (2 a) and a second guide vane (2 b), the filter plate (1) is further provided with a driving motor (5) of which the output end is basically vertical to the rotating shaft (3) and a second transmission rod (6) connected with the output end of the driving motor (5), and the other end of the second transmission rod (6) is connected with a corresponding connecting part (31) on the first guide vane (2 a), or the other end of the second transmission rod (6) is connected with a corresponding connecting part (31) on the second guide vane (2 b).

8. The oil screen assembly of any one of claims 1 to 7, wherein: the rotating axes of the guide vanes (2) are adjacent to one side edge.

9. The oil screen assembly of any one of claims 1-7, wherein: the filter plate (1) is strip-shaped, the filter holes (11) are distributed at intervals along the length direction of the filter plate, and each filter hole (11) extends along the width direction of the filter plate (1).

10. The oil screen assembly of claim 9, wherein: the rotating axis of each guide vane (2) is arranged along the length direction of the filter hole (11).

11. The utility model provides a range hood, includes collection petticoat pipe (7) and locates air intake (711) on collection petticoat pipe (7), its characterized in that: at the air inlet (711) along the left-right direction, there are at least two oil screen assemblies (100) according to any one of claims 1 to 10.

12. The range hood of claim 11, wherein: each guide vane (2) is positioned inside the fume collecting hood (7).

13. The range hood of claim 11, wherein: the exhaust fume collecting hood (7) is provided with a bottom wall (71) which is gradually inclined downwards from front to back, and the air inlet (711) is arranged on the bottom wall (71) of the exhaust fume collecting hood (7).