CN201724288U - Oil screen device for range hood - Google Patents
Oil screen device for range hood Download PDFInfo
- Publication number
- CN201724288U CN201724288U CN2010202027716U CN201020202771U CN201724288U CN 201724288 U CN201724288 U CN 201724288U CN 2010202027716 U CN2010202027716 U CN 2010202027716U CN 201020202771 U CN201020202771 U CN 201020202771U CN 201724288 U CN201724288 U CN 201724288U
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- net
- range hood
- air vent
- flange
- oil
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Abstract
The utility model discloses an oil screen device a range hood. A first oil screen and a second oil screen are respectively provided from the outside to the inside of the range hood. A third oil screen is provided. The first oil screen, the second oil screen and the third oil screen are respectively provided with a first elongated ventilation hole, a second elongated ventilation hole and a third elongated ventilation hole which run along an inclined surface of the oil screen. The circumference of the first ventilation hole is provided with a first flange which faces to the inside of the range hood and is of a closed annular shape. The second ventilation hole is provided with a n-shaped second flange with an opening at a relatively low end. The second flange faces the inside of the range hood. The third ventilation hole is provided with third flanges which face the outside of the range hood respectively on a side along the length direction and an upper side with higher relative position. The first ventilation hole and the second ventilation hole are staggered from each other along the width direction. The third ventilation hole is provided right above one selected from the first ventilation hole and the second ventilation hole. The third ventilation hole totally covers the one selected from the first ventilation hole and the second ventilation hole, which is provided correspondingly at the lower part. The oil screen device for range hood has the following advantages: wind loss reduction, wind suction efficiency increase, noise reduction, and oil dripping prevention.
Description
Technical field
The utility model relates to a kind of range hood, particularly a kind of used for range hood oil net arrangement.
Background technology
At present, the oily net arrangement that is used for range hood mainly contains following several:
First kind: the outer oil guidance column that adopts, internal layer adopts fine and close screen pack form, and this kind oil-net structure causes fine and close screen pack to stop up easily, and causes oily net oil dripping easily under the not enough situation in oil net angle of inclination;
Second kind: double-deck tile type structure (as shown in Figure 1), this kind oil-net structure air intake resistance is very big, cause the range hood air quantity to be difficult to promote, and noise is very big;
The third: bilayer is " U " shape oil-net structure (as shown in Figure 2) in the same way, and this kind oil-net structure is semicircle thin-slab structure, when air-flow through out-of-date, can produce a large amount of eddy current at the back side of " U " shape, cause range hood air draught decrease in efficiency, and noise rises;
The oily net of range hood also is the mouth of dispersing of range hood interior noise as the air inlet of range hood simultaneously, and above oil-net structure does not all have the sound-deadening and noise-reducing function, causes range hood complete machine noise to reduce.
Summary of the invention
In order to remedy above deficiency, the utility model provides a kind of used for range hood oil net arrangement, and this oil net arrangement filtering oil smoke is effective, air draught efficient height, and noise is low.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of used for range hood oil net arrangement, comprise at least three layers of oily net, to use direction to be benchmark (being the outside) away from range hood inside one side, be respectively the first oily net and the second oily net to the inboard by the range hood outside, also be provided with the 3rd oily net, the first oily net, the second oily net and the 3rd oil are respectively equipped with on the net along the strip first on oil net inclined plane, two, three air vents, the first air vent periphery is provided with first flange that is closed circular towards range hood inside, second air vent is provided with " n " shape second flange of the low relatively end opening in position, described second flange is towards range hood inside, the 3rd air vent is along the 3rd flange that is equipped with on the higher limit, upper end of the side of its length direction and relative position towards the range hood outside, first air vent and second air vent are that mutual dislocation is arranged along its width, the 3rd air vent be positioned at one of first air vent and second air vent directly over, described the 3rd air vent covers one of the first corresponding air vent of its below and second air vent fully, during use, oil smoke is from first of dislocation, two, when passing through in three air vents, oil in the oil smoke is adsorbed on oil on the net by a large amount of, improved the filter effect of oil smoke, also avoided simultaneously the oil droplet in the lampblack absorber directly to drop on the kitchen range top, the 3rd flange of first flange of second flange of the second oil net or the first oil net and the 3rd oil net cooperatively interacts, closed the space that oily net " U " the shape back side forms eddy current, can not produce eddy current when air-flow is through the oil net like this, reduced windage loss, improve air draught efficient, reduced noise.
As further improvement of the utility model, also be provided with the 4th oily net, the 4th oily net is positioned at first, a top of top no third oil net in the two oil nets, the 4th oil is provided with the 4th air vent on the net, the 4th air vent is provided with the 4th flange towards the range hood outside along the side of its length direction and the higher limit, upper end of relative position, the 4th air vent covers one of the first corresponding with it air vent of its below and second air vent fully, not having above in the first oily net and the second oil net increases by the 4th oily net in the 3rd oil net, " U " shape back side of having closed the first oily net and the second oil net so fully forms the space of eddy current, air-flow is through first like this, two, three, all can not produce eddy current during four oil nets, further reduced windage loss, improve air draught efficient, greatly reduced noise; When the 3rd air vent be positioned at first air vent directly over, the 3rd air vent covers the first corresponding air vent of its below fully, the 4th oily net is located in directly over the second oil net, the 4th air vent covers the second corresponding with it air vent of its below fully; When the 3rd air vent be positioned at second air vent directly over, the 3rd air vent covers the second corresponding air vent of its below fully, the 4th oily net is located in directly over the first oil net, the 4th air vent covers the first corresponding with it air vent of its below fully.
As further improvement of the utility model, the 3rd oily net is provided with the noise reduction aperture that several diameters are 0.5mm～5mm on the 3rd wooden partition between the adjacent two air vent flange, can further reduce noise like this.
As further improvement of the utility model, the 4th oily net is provided with the noise reduction aperture that several diameters are 0.5mm～5mm on the 4th wooden partition between the flange that adjacent two air vents are parallel to each other, two-layer noise reduction aperture further reduces noise, make range hood in use quieter, use more comfortable.
As further improvement of the utility model, be coated with antidrumming compound on one of them layer in described first, second, third and fourth oil net, can make the noise of lampblack absorber inside reach the effect of further playing sound-deadening and noise-reducing when oil is netted.
As further improvement of the utility model, described first, second, third and fourth oily net is the truncation rectangular pyramid shape that mate mutually at the angle of inclination, and described first, second, third and fourth air vent is positioned on the sloped sidewall of truncation rectangular pyramid.
As further improvement of the utility model, described first, second, third and fourth oily net be the angle of inclination mate mutually plate shaped.
As further improvement of the utility model, the 4th wooden partition between the 4th flange that is parallel to each other of the 3rd wooden partition between the 3rd flange that is parallel to each other of second wooden partition between second flange that is parallel to each other of adjacent two second air vents of first wooden partition between first flange that is parallel to each other of adjacent two first air vents of the described first oil net, the described second oil net, adjacent two the 3rd air vents of described the 3rd oil net and adjacent two the 4th air vents of described the 4th oil net is all a kind of in arcwall face and the plane.
As further improvement of the utility model, described first, second, third and fourth flange split shed direction is 1mm～20mm for the gap between the oil net in the same way; First, second, third and fourth flange split shed direction is that the gap between reverse adjacent two oil are netted is 0mm～10mm.
As further improvement of the utility model, first, second, third and fourth air vent width of described first, second, third and fourth oil net is 2mm～30mm.
Useful technique effect of the present utility model is: the utility model is by mating mutually between the oil net, the 3rd flange of second flange of the second oil net and the 3rd oil net cooperatively interacts, thereby closed the space that oily net " U " the shape back side forms eddy current, thereby can not produce eddy current when making air-flow through the oil net, reduced windage loss, improved air draught efficient, reduced noise, again owing to be provided with the noise reduction aperture on the net at the 3rd oily net and the 4th oil, and first, two, three, be coated with antidrumming compound on one of them layer in the four oil nets, make the noise of lampblack absorber inside reach the effect of further playing sound-deadening and noise-reducing when oil is netted, at least three layers of oily net are used and make lampblack absorber filter efficiency height, also can prevent oil dripping, in this oil net arrangement first, the ventilating opening of two oil nets is arranged for dislocation, make the oil in the oil smoke be adsorbed on oil on the net, thereby improved the filter effect of oil smoke, also can avoid the oil droplet in the lampblack absorber directly to drop on the kitchen range top simultaneously by a large amount of.
Description of drawings
Fig. 1 is existing double-deck tile type oil-net structure sectional view;
Fig. 2 is for having bilayer " U " shape oil-net structure sectional view in the same way now;
Fig. 3 is the utility model gas flow and noise-reducing structure schematic cross-section;
Fig. 4 is the three-dimensional exploded perspective views of three layers of oil-net structure embodiment of the utility model;
Fig. 5 is the three-dimensional exploded perspective views of four layers of oil-net structure embodiment of the utility model;
Fig. 6 is first kind of schematic cross-section of three layers of oil-net structure embodiment of the utility model;
Fig. 7 is second kind of schematic cross-section of three layers of oil-net structure embodiment of the utility model;
Fig. 8 is three layers of the third schematic cross-section of oil-net structure embodiment of the utility model;
Fig. 9 is first kind of schematic cross-section of four layers of oil-net structure embodiment of the utility model;
Figure 10 is second kind of schematic cross-section of four layers of oil-net structure embodiment of the utility model.
The specific embodiment
Embodiment: a kind of used for range hood oil net arrangement, comprise at least three layers of oily net, to use direction to be benchmark (being the outside) away from range hood inside one side, be respectively the first oily net 1 and the second oily net 2 to the inboard by the range hood outside, also be provided with the 3rd oily net 3, the first oily net 1, be respectively equipped with on the second oily net 2 and the 3rd oily net 3 along the strip first on oil net inclined plane, two, three air vents 11,21,31, first air vent, 11 peripheries are provided with first flange 12 that is closed circular towards range hood inside, second air vent 21 is provided with " n " shape second flange 22 of the low relatively end opening in position, described second flange 22 is towards range hood inside, the 3rd air vent 31 is along the 3rd flange 32 that is equipped with on the higher limit, upper end of the side of its length direction and relative position towards the range hood outside, first air vent 11 and second air vent 21 are that mutual dislocation is arranged along its width, the 3rd air vent 31 be positioned at one of first air vent 11 and second air vent 21 directly over, described the 3rd air vent 31 covers one of the first corresponding air vent 11 of its below and second air vent 21 fully, during use, oil smoke is from first of dislocation, two, three air vents 11,21, when passing through in 31, oil in the oil smoke is adsorbed on oil on the net by a large amount of, improved the filter effect of oil smoke, also avoided simultaneously the oil droplet in the lampblack absorber directly to drop on the kitchen range top, the 3rd flange 32 of second flange 22 of the second oily net 2 or first flange 12 of the first oily net 1 and the 3rd oily net 3 cooperatively interacts, closed the space that oily net " U " the shape back side forms eddy current, can not produce eddy current when air-flow is through the oil net like this, reduced windage loss, improve air draught efficient, reduced noise.
Also be provided with the 4th oily net 4, the 4th oily net is positioned at first, a top of top no third oil net 3 in the two oil nets, the 4th oily net 4 is provided with the 4th air vent, the 4th air vent 41 is provided with the 4th flange 42 towards the range hood outside along the side of its length direction and the higher limit, upper end of relative position, the 4th air vent 41 covers one of the first corresponding with it air vent 11 of its below and second air vent 21 fully, there is not to increase in the 3rd oily net 3 the 4th oily net 4 above in the first oily net 1 and the second oily net 2, " U " shape back side of having closed the first oily net 1 and the second oily net 2 so fully forms the space of eddy current, air-flow is through first like this, two, three, four oily nets 1,2,3, all can not produce eddy current at 4 o'clock, further reduced windage loss, improve air draught efficient, greatly reduced noise; When the 3rd air vent 31 be positioned at first air vent 11 directly over, the 3rd air vent 31 covers the first corresponding air vent 11 of its below fully, the 4th oily net 4 is located in directly over the second oily net 2, and the 4th air vent 41 covers the second corresponding with it air vent 21 of its below fully; When the 3rd air vent 31 be positioned at second air vent 21 directly over, the 3rd air vent 31 covers the second corresponding air vent 21 of its below fully, the 4th oily net 4 is located in directly over the first oily net 1, and the 4th air vent 41 covers the first corresponding with it air vent 11 of its below fully.
The described the 3rd oily net 3 is provided with the noise reduction aperture 34 that several diameters are 0.5mm～5mm on the 3rd wooden partition 33 between adjacent two air vents, 31 flange, can further reduce noise like this.
The described the 4th oily net 4 is provided with the noise reduction aperture 34 that several diameters are 0.5mm～5mm on the 4th wooden partition 43 between the flange that adjacent two air vents 41 are parallel to each other, two-layer noise reduction aperture 34 further reduces noise, make range hood in use quieter, use more comfortable.
Be coated with antidrumming compound on one of them layer in described first, second, third and fourth oily net 1,2,3,4, can make the noise of lampblack absorber inside reach the effect of further playing sound-deadening and noise-reducing when oil is netted.
The truncation rectangular pyramid shape that described first, second, third and fourth oily net 1,2,3,4 mates mutually for the angle of inclination, described first, second, third and fourth air vent 11,21,31,41 is positioned on the sloped sidewall of truncation rectangular pyramid.
It is plate shaped that described first, second, third and fourth oily net 1,2,3,4 mates mutually for the angle of inclination.
First wooden partition 13 between first flange 12 that is parallel to each other of adjacent two first air vents 11 of the described first oily net 1, second wooden partition 23 between second flange 22 that is parallel to each other of adjacent two second air vents 21 of the described second oily net 2, the 4th wooden partition 43 between the 4th flange 42 that is parallel to each other of the 3rd wooden partition 33 between the 3rd flange 32 that is parallel to each other of adjacent two the 3rd air vents 31 of the described the 3rd oily net 3 and adjacent two the 4th air vents 41 of the described the 4th oily net 4 is all a kind of in arcwall face and the plane.
Described first, second, third and fourth flange 12,22,32,42 split shed directions are 1mm～20mm for the gap between the oil net in the same way; First, second, third and fourth flange 12,22,32,42 split shed directions are that the gap between reverse adjacent two oil are netted is 0mm～10mm.
First, second, third and fourth air vent 11,21,31,41 width of described first, second, third and fourth oily net 1,2,3,4 are 2mm～30mm.
Claims (10)
1. used for range hood oil net arrangement, it is characterized by: comprise at least three layers of oily net, to use direction to be benchmark, be respectively the first oily net (1) and the second oily net (2) to the inboard by the range hood outside, also be provided with the 3rd oily net (3), the first oily net (1), be respectively equipped with on the second oily net (2) and the 3rd oily net (3) along the strip first on oil net inclined plane, two, three air vents (11,21,31), first air vent (11) periphery is provided with first flange (12) that is closed circular towards range hood inside, second air vent (21) is provided with " n " shape second flange (22) of the low relatively end opening in position, described second flange (22) is towards range hood inside, the 3rd air vent (31) is along the 3rd flange (32) that is equipped with on the higher limit, upper end of the side of its length direction and relative position towards the range hood outside, first air vent (11) and second air vent (21) are that mutual dislocation is arranged along its width, the 3rd air vent (31) be positioned at one of first air vent (11) and second air vent (21) directly over, described the 3rd air vent (31) covers one of corresponding first air vent (11) in its below and second air vent (21) fully.
2. a kind of used for range hood oil net arrangement according to claim 1, it is characterized by: also be provided with the 4th oily net (4), the 4th oily net is arranged in a top of first and second oil net top no third oil net (3), the 4th oily net (4) is provided with the 4th air vent, the 4th air vent (41) is provided with the 4th flange (42) towards the range hood outside along the side of its length direction and the higher limit, upper end of relative position, the 4th air vent (41) covers one of corresponding with it first air vent (11) in its below and second air vent (21) fully.
3. a kind of used for range hood oil net arrangement according to claim 1 and 2, it is characterized by: the 3rd wooden partition (33) that the 3rd oily net (3) is positioned between adjacent two air vents (31) flange is provided with the noise reduction aperture (34) that several diameters are 0.5mm～5mm.
4. a kind of used for range hood oil net arrangement according to claim 3 is characterized by: the 4th wooden partition (43) that the 4th oily net (4) is positioned between the flange that adjacent two air vents (41) are parallel to each other is provided with the noise reduction aperture (34) that several diameters are 0.5mm～5mm.
5. a kind of used for range hood oil net arrangement according to claim 2 is characterized by: be coated with antidrumming compound on one of them layer in described first, second, third and fourth oily net (1,2,3,4).
6. a kind of used for range hood oil net arrangement according to claim 2, it is characterized by: the truncation rectangular pyramid shape that described first, second, third and fourth oily net (1,2,3,4) mates mutually for the angle of inclination, described first, second, third and fourth air vent (11,21,31,41) is positioned on the sloped sidewall of truncation rectangular pyramid.
7. a kind of used for range hood oil net arrangement according to claim 2, it is characterized by: it is plate shaped that described first, second, third and fourth oily net (1,2,3,4) mates mutually for the angle of inclination.
8. a kind of used for range hood oil net arrangement according to claim 2 is characterized by: first wooden partition (13) between first flange (12) that is parallel to each other of adjacent two first air vents (11) of the described first oily net (1), second wooden partition (23) between second flange (22) that is parallel to each other of adjacent two second air vents (21) of the described second oily net (2), the 4th wooden partition (43) between the 4th flange (42) that is parallel to each other of the 3rd wooden partition (33) between the 3rd flange (32) that is parallel to each other of adjacent two the 3rd air vents (31) of the described the 3rd oily net (3) and adjacent two the 4th air vents (41) of the described the 4th oily net (4) is all a kind of in arcwall face and the plane.
9. a kind of used for range hood oil net arrangement according to claim 2, it is characterized by: described first, second, third and fourth flange (12,22,32,42) split shed direction is 1mm～20mm for the gap between the oil net in the same way; First, second, third and fourth flange (12,22,32,42) split shed direction is that the gap between reverse adjacent two oil are netted is 0mm～10mm.
10. a kind of used for range hood oil net arrangement according to claim 1 and 2, it is characterized by: first, second, third and fourth air vent (11,21,31,41) width of described first, second, third and fourth oily net (1,2,3,4) is 2mm～30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202027716U CN201724288U (en) | 2010-05-25 | 2010-05-25 | Oil screen device for range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202027716U CN201724288U (en) | 2010-05-25 | 2010-05-25 | Oil screen device for range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201724288U true CN201724288U (en) | 2011-01-26 |
Family
ID=43492624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202027716U Expired - Lifetime CN201724288U (en) | 2010-05-25 | 2010-05-25 | Oil screen device for range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201724288U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261686A (en) * | 2010-05-25 | 2011-11-30 | 樱花卫厨（中国）股份有限公司 | Oil filter device for range hood |
| CN103127785A (en) * | 2011-11-28 | 2013-06-05 | 博西华电器（江苏）有限公司 | Lampblack filter device and kitchen ventilator |
| CN104075360A (en) * | 2014-07-28 | 2014-10-01 | 朱德金 | Range hood convenient to clean |
| CN104676699A (en) * | 2015-03-26 | 2015-06-03 | 山东小鸭集团小家电有限公司 | T-shaped range hood with multiple layers of oil fume separation meshes |
-
2010
- 2010-05-25 CN CN2010202027716U patent/CN201724288U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261686A (en) * | 2010-05-25 | 2011-11-30 | 樱花卫厨（中国）股份有限公司 | Oil filter device for range hood |
| CN103127785A (en) * | 2011-11-28 | 2013-06-05 | 博西华电器（江苏）有限公司 | Lampblack filter device and kitchen ventilator |
| CN103127785B (en) * | 2011-11-28 | 2016-05-11 | 博西华电器（江苏）有限公司 | Lampblack filter and smoke exhaust ventilator |
| CN104075360A (en) * | 2014-07-28 | 2014-10-01 | 朱德金 | Range hood convenient to clean |
| CN104676699A (en) * | 2015-03-26 | 2015-06-03 | 山东小鸭集团小家电有限公司 | T-shaped range hood with multiple layers of oil fume separation meshes |
| CN104676699B (en) * | 2015-03-26 | 2017-01-11 | 山东小鸭集团小家电有限公司 | T-shaped range hood with multiple layers of oil fume separation meshes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110126 Effective date of abandoning: 20130731 |
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| RGAV | Abandon patent right to avoid regrant |