CN2453278Y - Filtering net of cooking fume remover - Google Patents
Filtering net of cooking fume remover Download PDFInfo
- Publication number
- CN2453278Y CN2453278Y CN 00259185 CN00259185U CN2453278Y CN 2453278 Y CN2453278 Y CN 2453278Y CN 00259185 CN00259185 CN 00259185 CN 00259185 U CN00259185 U CN 00259185U CN 2453278 Y CN2453278 Y CN 2453278Y
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- CN
- China
- Prior art keywords
- tongue piece
- screen pack
- range hood
- net
- net region
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Abstract
The utility model relates to a filtering net for a cooking fume remover. A filtering net for a cooking fume remover comprises a base board and a plurality of net holes, and the net holes are arranged on the base board. The base board is a metal thin board, the net holes are formed by gaps, and the gaps are composed of tongue pieces which are in parallel arrangement and are arranged at intervals and in a sloping mode. A plurality of tongue pieces are divided into strip-shaped tongue piece arrays by reinforcing ribs, and the strip-shaped tongue piece arrays are vertical to the arrangement directions of the tongue pieces. Net grid regions are composed of a plurality of tongue piece arrays which are arranged in order. The utility model is characterized in that the number of the net grid regions is at least two, and the net grid regions are distributed around the center of the base board in a crisscross mode and as a radial shape; the tongue pieces of the tongue piece arrays of each net grid region are respectively sloped to the same direction. When the utility model is used, the noise can be lowered while the air quantity of suction and air exhaust of the filtering net of a notch and the capturing rate of the grease component are guaranteed.
Description
The utility model relates to a kind of screen pack that is installed on the range hood for kitchen use.
As everyone knows, all be equipped with in order to absorb the screen pack of grease in oil smoke, the waste gas at culinary range hood peristome.Figure 1 shows that a kind of existing notch screen pack, Fig. 2 is the Z-Z longitudinal sectional view of Fig. 1.Among the figure, 100 for being installed on the sheet metal of range hood open front portion, the tongue piece 103 that many proper alignment are arranged on this sheet metal, they form uniform slit 101, the short transverse of these tongue piece 103 corresponding sheet metals 100 has bending slightly, and makes the slot-shaped ventilation mesh 104 (as shown in Figure 2) that forms between the tongue piece 103 to tilt from the top down.Some tongue pieces 103 and slit 101 thereof are divided into tongue piece by strengthening rib strip perpendicular bar shaped tongue piece row 102 are set, numerous tongue piece row 102 proper alignment form notch screen pack zone on sheet metal, tongue piece 103 in each tongue piece row 102 on the monoblock screen pack all tilts towards same direction, shown in arrow among the figure 200.
The notch screen pack of this structure, its ventilation mesh 104 becomes diagonal cut joint because of the inclination of tongue piece 103.Therefore, the air-flow that is come by fan running suction can not straight-line pass mesh 104, and can only weave throngh, thereby makes that screen pack is spread and sunk in to being contained in oil, the capture rate screen pack height more board-like than general common perforated metal of the grease in the waste gas etc.; And the form that tongue piece 103 tilts in sheet metal upper cut turnover makes its cleaning property better than common metal net etc. again, thereby can improve the oil smoke suction and pumping rate of range hood and prolong its operating period.
In addition, when range hood is worked, when the air communication of being aspirated by fan is crossed mesh, can produce a certain amount of wind and cut sound, it is one of factor that constitutes the range hood noise.Above-mentioned existing notch screen pack, its mesh 104 tilts in the same direction because of tongue piece 103, thereby cause specific region (left and right sides of sheet metal 100 and underside area as shown in fig. 1) in notch screen pack front, tongue piece is towards stopping the inflow direction inclination (arrow D11 in reference to figure 2) that is sucked the air-flow that comes, and the resistance when making air pass through mesh increases, thereby cause wind to cut sound influence expansion, promptly noise increases.
The purpose of this utility model is to provide a kind of not only aeration resistance little, grease capture rate height, and cleaning property is good, can reduce the notch screen pack of noise simultaneously.
The purpose of this utility model is achieved through the following technical solutions: a kind of used for range hood screen pack, comprise substrate and a plurality of mesh provided thereon, described substrate is a sheet metal, and the slit that the tongue piece that described mesh is arranged by spaced and parallel forms constitutes, and described tongue piece is inclined to set; Some tongue pieces are divided into tongue piece by reinforcement the perpendicular bar shaped tongue piece of direction row are set, some tongue piece row rearrange the net region, be characterized in: described net region is at least two, and they distribute radially around the central crisscross of substrate, and the tongue piece in each net region tongue piece row tilts respectively in the same direction.
In the above-mentioned used for range hood screen pack, described net region is good with four.
Used for range hood notch screen pack is on the sheet metal of definite shape, forming the slit by the tongue piece of numerous spaced and parallel settings is mesh, decide the incline direction of mesh by the bending degree of tongue piece, the utility model is because the tongue piece that will have on the full wafer sheet metal all bends inclination towards same direction, be improved to and be divided into some net regions, and these net regions distribute radially around the central crisscross of substrate, the tongue piece difference of tongue piece row tilts in the same direction in each zone, and mesh all is the inflow direction arrangement of aspirating the air-flow that comes along fan in each zone that formation is separated.Thereby make the utility model not reduce, aspirate under the prerequisite that the air quantity of exhaust do not reduce at the aperture area of mesh, utilize the incline direction of tongue piece in each net region to make each tongue piece be unlikely to barrier air with the corresponding to design of direction of aspirating the air communication screen pack that comes respectively, thereby reduce the resistance that air communication is crossed mesh, reach reduction wind and cut noise.Simultaneously, also kept the notch screen pack to the capture rate of lubricant component in oil smoke, the waste gas higher with cleaning property good advantage.
Below several preferred embodiments of the utility model used for range hood screen pack of providing by accompanying drawing the utility model is described in further detail:
Fig. 1 is the front elevation structural representation of existing used for range hood screen pack;
Fig. 2 is the Z-Z longitudinal sectional view of Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment 1, and (first) is front elevation, and (second) is the X-X profile, and (third) is the Y-Y profile.
Fig. 4 is the structural representation of the utility model embodiment 2;
Fig. 5 is the structural representation of the utility model embodiment 3;
Fig. 6 is the structural representation of the utility model embodiment 4;
Fig. 7 is the structural representation of the utility model embodiment 5;
Fig. 8 is the structural representation of the utility model embodiment 6;
Fig. 9 is the structural representation of the utility model embodiment 7;
Figure 10 is the structural representation of the utility model embodiment 8.
Shown in Fig. 3 (first), be the front elevation of 1 one kinds of used for range hood screen packs of the utility model embodiment A.This screen pack A is arranged at the peristome of range hood, and can load and unload easily; B is the rotation direction of the fan of setting in the range hood; C1～C4 represents to be aspirated by fan running the inflow direction of the air-flow that comes, and as shown in the figure, air-flow C1～C4 is that the direction vortex opposite with the rotation direction B of fan sucks.
Simultaneously referring to Figure 10, screen pack A is a notch screen pack, and the rectangular thin plate 1 that it is made by materials such as aluminium or stainless steels is provided with many tongue pieces 3 apart from one another by, proper alignment on this sheet metal, promptly form uniform slit between the tongue piece.Each tongue piece 3 is curved incline slightly, and forms oblique mesh 2 between tongue piece 3.The tongue piece 3 of certain length and width area and slit thereof are separated into one by the reinforcement of number mm wides again and with tongue piece the perpendicular bar shaped tongue piece row 30 of direction are set, and many tongue pieces row rearrange net region 20.Be to be divided into crisscross four net regions 20 spaced apart in the present embodiment, they distribute radially around the central authorities of substrate 1, and tongue piece 3 tilts respectively in the same direction in each net region.
As shown in Figure 3, each net region b1～b4 is a rectangle, and adjacent is and interlaces evenly distributedly in length and breadth, and the square closure 1a with sheet metal 1 central authorities surrounds from four direction.In each zone of b1～b4, being aspirated the air-flow that comes by fan is to flow along C1～C4 direction, and the tongue piece in each zone bends in the same direction, promptly all is to tilt along airflow direction.
Now the orientation of the tongue piece 3 in the net region of being made up of many rows tongue piece row 30 is elaborated: the regional b1 of corresponding right side epimere in conjunction with Fig. 3 (first), each tongue piece row 30 becomes row along the air-flow C1 horizontally-arranged that flows into from this right side, zone, and makes the tongue piece in each tongue piece row 30 roughly become vertical direction with the inflow air-flow; Equally, at the regional b2 of left side epimere, each tongue piece row 30 is along the vertical row of lining up of the air-flow C2 of side inflow from this zone; The regional b3 of left side hypomere, each tongue piece row 30 becomes row along the air-flow C3 horizontally-arranged that flows into from this left side, zone; The regional b4 of right side hypomere, each tongue piece row 30 is along the vertical row of lining up of the air-flow C4 of side inflow under this zone.Like this, in each zone of b1～b4, form each tongue piece 3 and roughly become vertical direction with the air-flow that flows into.
In conjunction with Fig. 3 (first) the bending incline direction that is divided into tongue piece 3 in four net regions of b1～b4 is described in detail again: at the regional b1 of right side epimere, air-flow flows into from the right side and sucks by the inboard of mesh 2 to sheet metal 1, it is arrow D1 indication among Fig. 3 (second), in this zone, each tongue piece 3 is complied with air-flow and, is from up to down tilted (arrow E 1 indication) towards downstream side (on the left of among the figure) by upstream side (promptly being the right side among the figure).Equally, at the regional b2 of left side epimere, tongue piece 3 is along the direction inclination of going up side inflow from b2 and crossing screen pack by the air communication that mesh sucks to the inboard of sheet metal 1; Also promptly, in this b2 zone, each tongue piece 3 is complied with air communication screen pack direction and is had a down dip towards downstream side (being downside among the figure) court by upstream side (being upside among the figure), as arrow E 2 indications.At the regional b3 of left side hypomere, be direction inclination, as arrow D2 indication among Fig. 3 (third) along the air-flow that flows into from the left side; Also promptly, in the b3 zone, each tongue piece 3 is downward-sloping towards downstream side (right side among the figure) by upstream side (left side among the figure) along air-flow, shown in arrow E 3; In like manner, at the regional b4 of right side hypomere, each tongue piece 3 favorable current upstream side (being downside among the figure) are downward-sloping towards downstream side (being upside among the figure), shown in arrow E 4.
Fig. 4-Figure 10 is respectively the schematic diagram of other embodiment of the utility model, and part identical with embodiment illustrated in fig. 31 among the figure is used identical symbolic representation in the drawings, and omits explanation, and only just different with embodiment 1 parts are illustrated.
Embodiment illustrated in fig. 42 is the version that a kind of periphery at sheet metal is provided with edge part 5, and the part that is surrounded by this edge part 5 then is divided into four net regions, and its form of cutting apart is identical with embodiment 1; The area of only drawing each the regional b1～b4 that is separated is smaller slightly.
Embodiment illustrated in fig. 53, be not keep closure 1a in sheet metal 1 central authorities, promptly be divided into tetrameric each regional b1～b4 front and be approximate square and arrange in length and breadth mutually, thereby each the regional area that is divided into is bigger than the foregoing description.
Embodiment illustrated in fig. 64, be based on division form shown in Figure 5 and leave closure 1a in sheet metal 1 central authorities.Specifically, be divided into positive approximate square of tetrameric each net region b1～b4 and arrangement in length and breadth mutually, and surround by regional b1～b4 at the quadrangle closure 1a that sheet metal 1 central authorities leave, by the flanging 6 synthetic closure 1a of each net region b1～b4 square corners.If the size of the sheet metal 1 of present embodiment is with shown in Figure 5 the same, owing to these sheet metal 1 central authorities leave closure 1a, thereby the size of each the regional b1～b4 that is divided into is smaller than shown in Figure 5.
Embodiment illustrated in fig. 75, below embodiment illustrated in fig. 31, add a horizontal rectangle net region b5.Sheet metal 1 among the figure ' epimere and the layout in stage casing and the differentiation homomorphosis of Fig. 3 (first) in front, b1～the b4 space is arranged in length and breadth, sheet metal 1 ' central square closure 1a is surrounded in four rectangular mesh zones.And sheet metal 1 ' the bottom be a horizontal rectangle net region b5, it is the same with lower right side zone b4, each tongue piece row 30 is along lining up file from the air-flow C5 of side inflow down.At this zone b5, it is downward-sloping towards downstream side (being upside among the figure) from upstream side (being downside the figure) that each tongue piece 3 is complied with air-flow, shown in arrow E 5.
In addition, also can be opposite with embodiment 5 shown in Figure 7, above embodiment illustrated in fig. 3, add horizontal rectangle net region (not shown).Perhaps, opposite with embodiment 6 shown in Figure 8, add vertical rectangle net region (not shown) in left side embodiment illustrated in fig. 3.
Shown in Figure 9 is each regional b1～b4 along the fan gyratory directions radial embodiment 7 that adjoins each other.The face portion of sheet metal 1 is become four triangular mesh zones by diagonal division among this embodiment, a plurality of tongue piece row 30 are along the inflow direction c1～c4 that is sucked the air-flow that comes, be divided into upper-side area b7, left field b8, underside area b9 and right side area b10 in regular turn, the tongue piece 3 in each net region is to tilt along the direction bending of air communication screen pack.
Embodiment shown in Figure 10 to shown in Figure 9 is similar, is sheet metal 1 is become four triangular mesh zones 20 along diagonal division, and central authorities also leave closure 1a; Tongue piece 3 in each net region tilts along the direction bending of air communication screen pack.
In sum, a kind of preceding notch screen pack of range hood fan that is arranged at of the utility model, when the air communication that is sucked by the fan rotation is crossed this screen pack, because screen pack is the layout that is divided into several net regions in the front of sheet metal 1, tongue piece 3 in each net region all tilts towards the same direction that is sucked air-flow, and the resistance of air-flow by mesh 2 time reduced, wind is cut sound and is reduced.Thereby can improve quietness (reduction noise) not reducing under the prerequisites such as suction exhaust air rate, grease capture rate, cleaning formedness.
Claims (9)
1. used for range hood screen pack, comprise substrate (1) and a plurality of mesh (2) provided thereon, described substrate (1) is a sheet metal, and the slit that the tongue piece (3) that described mesh (2) is arranged by spaced and parallel forms constitutes, and described tongue piece (3) is inclined to set; Some tongue pieces are divided into tongue piece by reinforcement the perpendicular bar shaped tongue piece of direction row (30) are set, some tongue piece row (30) rearrange net region (20), it is characterized in that: described net region (20) are at least two, they distribute radially around the central crisscross of substrate (1), and the tongue piece in each net region (20) tongue piece row (30) tilts respectively in the same direction.
2. used for range hood screen pack according to claim 1 is characterized in that: described net region (20) are four, and they evenly distribute radially around the center of substrate (1).
3. used for range hood screen pack according to claim 1 and 2 is characterized in that: the center of described substrate (1) has a closure (1a).
4. used for range hood screen pack according to claim 2 is characterized in that: described each net region (20) is approximate square.
5. used for range hood screen pack according to claim 2 is characterized in that: described each net region (20) is rectangle.
6. used for range hood screen pack according to claim 2 is characterized in that: described each net region (20) is triangle.
7. according to claim 2 or 4 or 5 or 6 described used for range hood screen packs, it is characterized in that: at described radial regional integrated bottom or top also horizontally set one net region (20).
8. used for range hood screen pack according to claim 5 is characterized in that: in the whole right side or left side, described radial zone one net region (20) is set vertically also.
9. used for range hood screen pack according to claim 1 and 2 is characterized in that: also be provided with an edge part (5) on the peripheral substrate (1) of described net region integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00259185 CN2453278Y (en) | 2000-11-16 | 2000-11-16 | Filtering net of cooking fume remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00259185 CN2453278Y (en) | 2000-11-16 | 2000-11-16 | Filtering net of cooking fume remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2453278Y true CN2453278Y (en) | 2001-10-10 |
Family
ID=33615252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00259185 Expired - Fee Related CN2453278Y (en) | 2000-11-16 | 2000-11-16 | Filtering net of cooking fume remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2453278Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359246C (en) * | 2003-07-15 | 2008-01-02 | 费博股份有限公司 | Labyrinth type oil removing filter for air extraction hood |
| CN100430653C (en) * | 2002-02-27 | 2008-11-05 | Bsh博施及西门子家用器具有限公司 | Filter system for a range hood |
-
2000
- 2000-11-16 CN CN 00259185 patent/CN2453278Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100430653C (en) * | 2002-02-27 | 2008-11-05 | Bsh博施及西门子家用器具有限公司 | Filter system for a range hood |
| CN100359246C (en) * | 2003-07-15 | 2008-01-02 | 费博股份有限公司 | Labyrinth type oil removing filter for air extraction hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |