CN203404932U - Grille and ventilating device - Google Patents
Grille and ventilating device Download PDFInfo
- Publication number
- CN203404932U CN203404932U CN201320484331.8U CN201320484331U CN203404932U CN 203404932 U CN203404932 U CN 203404932U CN 201320484331 U CN201320484331 U CN 201320484331U CN 203404932 U CN203404932 U CN 203404932U
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- rotation direction
- direction rib
- grid
- area
- rib
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Abstract
The utility model provides a grille. The grille comprises a grille frame and a plurality of grid bars arranged at intervals and further comprises a plurality of turning direction rib strips for being connected with the grid bars. The grid bars are annular and are sleeved with each other and connected through the turning direction rib strips to form a concentric multi-ring structure. The utility model further relates to a ventilating device with the grille. The grille and the ventilating device improve air volume and reduce air outlet noise and air volume loss.
Description
Technical field
The utility model relates to air conditioner ventilation field, relates in particular to a kind of grid and ventilation equipment.
Background technology
Existing commercial off-premises station cell structure major part is horizontal, vertical grid configuration or metal types grid, outward appearance aspect, and lines are single not attractive in appearance; Aspect of performance is noise, air quantity aspect for example, and grid rib is overstocked anyhow, keeps out the wind, and wind loss is larger, and air-out is without guiding, causes noise bigger than normal, and effect is undesirable.
Utility model content
The purpose of this utility model is to provide a kind of grid and ventilation equipment, and unit air quantity and noise are further optimized.For achieving the above object, the technical solution of the utility model is as follows:
, comprise grid framework and a plurality of spaced grizzly bar, also comprise a plurality of for connecting the rotation direction rib of described grizzly bar;
Described grizzly bar is shape ringwise, and a plurality of described grizzly bars are mutually sheathed, by described rotation direction rib, is connected to form concentric polycyclic structure.
More preferably, described grid is divided into the second area of all sides in central area, Zhou Ce first area, described central area and described first area;
Described rotation direction rib comprises the first rotation direction rib and the second rotation direction rib, and described the first rotation direction rib is arranged on described first area, and described the second rotation direction rib is arranged on described second area;
The tangential angle of described the first rotation direction rib is 28 °-38 °, and the tangential angle of described the second rotation direction rib is 13 °-23 °;
Described central area is entity.
More preferably, one end of described the first rotation direction rib connects described central area, and the other end connects the described grizzly bar of described first area and described second area intersection;
One end of described the second rotation direction rib connects the described grizzly bar of described first area and described second area intersection, and the other end connects described grid framework;
The quantity of described the first rotation direction rib is a plurality of, and a plurality of described the first rotation direction ribs are evenly distributed on all sides of described central area;
The quantity of described the second rotation direction rib is a plurality of, and a plurality of described the second rotation direction ribs are evenly distributed on all sides of the described grizzly bar of described first area and described second area intersection.
More preferably, the quantity of described the first rotation direction rib is 7-11;
The quantity of described the second rotation direction rib is 16-20.
More preferably, described rotation direction rib also comprises the 3rd rotation direction rib, and one end of described the 3rd rotation direction rib connects the 8th grizzly bar of all sides in described central area, and the other end connects described grid framework;
The tangential angle of described the 3rd rotation direction rib is 17 °-27 °;
The quantity of described the 3rd rotation direction rib is a plurality of, and described the 3rd rotation direction rib and described the second rotation direction rib interval arrange, and a plurality of described the 3rd rotation direction ribs are evenly distributed on all sides of described the 8th grizzly bar.
More preferably, the quantity of described the 3rd rotation direction rib is 16-20.
More preferably, the spacing between adjacent described grizzly bar is identical, and described spacing is 8mm-12mm.
More preferably, in windward side, to lee face direction, described rotation direction rib is shape small in ends broad in the middle.
More preferably, in windward side, to lee face direction, the Yi Ce longitudinal section, windward side of described rotation direction rib is tapered, and the longitudinal section of lee face one side is outer lug arc surfaced tip.
More preferably, the diameter of described central area is 122mm-132mm.
Also relate to a kind of ventilation equipment, comprise the grid of above-mentioned arbitrary technical characterictic.
The beneficial effects of the utility model are:
Grid of the present utility model and ventilation equipment, adopt helical structure form, longitudinally with whole circumference, equidistantly arranges, and is laterally divided into interior grid and outer grid segmentation dislocation mode spiral is arranged, and inside spin spacing equates, external spiral spacing also equates, good looking appearance; Not only guarantee grid part strength, by finger tip safety test, unit noise and air quantity aspect are also further optimized simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view of grid one embodiment of the present utility model;
Fig. 2 is grid side sectional view shown in Fig. 1;
Fig. 3 is the rearview of grid shown in Fig. 1;
Fig. 4 is the partial enlarged drawing of I part in Fig. 2;
Fig. 5 is the tangential angle schematic diagram of the first rotation direction rib shown in Fig. 1;
Wherein,
1 grid framework; 2 grizzly bars; 3 first rotation direction ribs; 4 second rotation direction ribs;
5 the 3rd rotation direction ribs; 6 central areas.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, grid of the present utility model and ventilation equipment are further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 4, grid one embodiment of the present utility model comprises grid framework 1 and a plurality of spaced grizzly bar 2, also comprises a plurality of for connecting the rotation direction rib (3,4,5) of grizzly bar 2;
Grizzly bar 2 is shape ringwise, and a plurality of grizzly bars 2 are mutually sheathed, by rotation direction rib (3,4,5), is connected to form concentric polycyclic structure, and the spacing between adjacent grill 2 is identical, and described spacing is safe distance, preferably 8mm-12mm.Preferably, as shown in Figure 2 and Figure 4, wherein, the left side of grid is windward side, and right side is lee face, and in windward side, to lee face direction, rotation direction rib (3,4,5) is shape small in ends broad in the middle, and the shape of grizzly bar 2 is also shape small in ends broad in the middle.Preferably, grizzly bar 2 is one-body molded with rotation direction rib (3,4,5), and in windward side, to lee face direction, the Yi Ce longitudinal section, windward side of rotation direction rib (3,4,5) is tapered, and the longitudinal section of lee face one side is outer lug arc surfaced tip.Windward side one side is tapered, is conducive to whole air quantity and arranges, and lee face one side is wedge angle trend, is conducive to air quantity diffusion, reduces complete machine noise.
Grid is divided into the second area of all sides in first area and described first area of central area 6, the 6 weeks sides in central area.Preferably, the diameter of central area 6 is 122mm-132mm.According to analysis result, determine that the diameter of grid central area 6 gets 127mm the best, diameter meeting bigger than normal causes grid central area 6 air quantity decay around serious, affects air quantity, and diameter meeting less than normal weakens grid bulk strength;
Described rotation direction rib comprises that the first rotation direction rib 3 and the second rotation direction rib 4, the first rotation direction ribs 3 are arranged on described first area, and the second rotation direction rib 4 is arranged on described second area;
The tangential angle scope of the first rotation direction rib 3 is 28 °-38 °, and preferably 33 °, the tangential angle scope of the second rotation direction rib 4 is 13 °-23 °, preferably 18 °; The tangential angle of above-mentioned the first rotation direction rib 3 and the second rotation direction rib 4, is convenient to process grid, increases the bonding strength between grizzly bar 2, and make unit noise and air quantity optimization; Central area 6 is entity.Wherein, " tangential angle " is defined as: summit is on circumference, tangent with circle on one side, another side is tangent with the string through this summit, these two formed angles of tangent line are referred to as the angle of contingence, as shown in Figure 5, central area 6 is circular, the intersection point of the first rotation direction rib 3 and central area 6 is 6 circumference in central area, the tangent line at this intersection point place of process of the tangent line at this intersection point place of the process of central area 6 and the first rotation direction rib 3 forms angle α, and angle α is the tangential angle of the first rotation direction rib 3.
The connection central area, one end 6 of the first rotation direction rib 3, the other end connects the grizzly bar 2 of described first area and described second area intersection; The 5th grizzly bar of the 6 weeks sides in preferred center region (grizzly bar is outwards arranged according to ascending order from central area) is the grizzly bar 2 of described first area and described second area intersection; One end of the second rotation direction rib 4 connects grizzly bar 2(the 5th grizzly bar of described first area and described second area intersection), the other end connects grid framework 1;
The quantity of the first rotation direction rib 3 is a plurality of, and a plurality of the first rotation direction ribs 3 are evenly distributed on all sides of central area 6; The quantity of the second rotation direction rib 4 is a plurality of, and a plurality of the second rotation direction ribs 4 are evenly distributed on grizzly bar 2(the 5th grizzly bar of described first area and described second area intersection) all sides.
The quantity of the first rotation direction rib 3 is 7-11, and preferably 9, under equal conditions, air channel sunykatuib analysis is determined when the quantity of the first rotation direction rib 3 is 9, air quantity and noise result the best.
The quantity of the second rotation direction rib 4 is 16-20, and preferably 18, under equal conditions, air channel sunykatuib analysis is determined when the quantity of the second rotation direction rib 4 is 18, air quantity and noise result the best.
More preferably, as a kind of embodiment, described rotation direction rib also comprises the 8th grizzly bar of the 6 weeks sides in connection central area, one end of the 3rd rotation direction rib 5, the three rotation direction ribs 5, and the other end connects grid framework 1, the tangential angle of the 3rd rotation direction rib 5 is 17 °-27 °, preferably 22 °, the above-mentioned tangential angle of the 3rd rotation direction rib 5, increases the contact area of the 3rd rotation direction rib 5 and grizzly bar 2, increase grid intensity, and make unit noise and air quantity the best; The quantity of the 3rd rotation direction rib 5 is a plurality of, and the 3rd rotation direction rib 5 and the second rotation direction rib 4 intervals arrange, and a plurality of the 3rd rotation direction ribs 5 are evenly distributed on all sides of described the 8th grizzly bar.The quantity of the 3rd rotation direction rib 5 is 16-20, preferably 18, air channel sunykatuib analysis is determined when the quantity of the 3rd rotation direction rib 5 is 18, grid intensity, air quantity and noise result are best, according to the scheme that sunykatuib analysis is definite, carry out experimental verification, experiment results conforms to sunykatuib analysis result, the spacing of grizzly bar, quantity rationally arrange and spacing, rationally the arranging of quantity of rotation direction rib are not only guaranteed grid intensity, by finger tip safety test, unit noise and air quantity aspect are also further optimized simultaneously.
The grid of above-described embodiment is applied in ventilation equipment, and such as air-conditioner, electric fan etc., because ventilation equipment are prior art except grid, repeats herein no longer one by one.
According to the scheme that sunykatuib analysis is definite, carry out experimental verification, experiment results conforms to sunykatuib analysis result, grid in above embodiment is not only guaranteed grid part strength, by finger tip safety test, unit noise and air quantity aspect are also further optimized simultaneously, with respect to traditional grid air quantity, increase by 17%, reducing noise 3dB-5dB.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (11)
1. a grid, comprises grid framework and a plurality of spaced grizzly bar, it is characterized in that:
Also comprise a plurality of for connecting the rotation direction rib of described grizzly bar;
Described grizzly bar is shape ringwise, and a plurality of described grizzly bars are mutually sheathed, by described rotation direction rib, is connected to form concentric polycyclic structure.
2. grid according to claim 1, is characterized in that:
Described grid is divided into the second area of all sides in central area, Zhou Ce first area, described central area and described first area;
Described rotation direction rib comprises the first rotation direction rib and the second rotation direction rib, and described the first rotation direction rib is arranged on described first area, and described the second rotation direction rib is arranged on described second area;
The tangential angle of described the first rotation direction rib is 28 °-38 °, and the tangential angle of described the second rotation direction rib is 13 °-23 °;
Described central area is entity.
3. grid according to claim 2, is characterized in that:
One end of described the first rotation direction rib connects described central area, and the other end connects the described grizzly bar of described first area and described second area intersection;
One end of described the second rotation direction rib connects the described grizzly bar of described first area and described second area intersection, and the other end connects described grid framework;
The quantity of described the first rotation direction rib is a plurality of, and a plurality of described the first rotation direction ribs are evenly distributed on all sides of described central area;
The quantity of described the second rotation direction rib is a plurality of, and a plurality of described the second rotation direction ribs are evenly distributed on all sides of the described grizzly bar of described first area and described second area intersection.
4. grid according to claim 3, is characterized in that:
The quantity of described the first rotation direction rib is 7-11;
The quantity of described the second rotation direction rib is 16-20.
5. grid according to claim 3, is characterized in that:
Described rotation direction rib also comprises the 3rd rotation direction rib, and one end of described the 3rd rotation direction rib connects the 8th grizzly bar of all sides in described central area, and the other end connects described grid framework;
The tangential angle of described the 3rd rotation direction rib is 17 °-27 °;
The quantity of described the 3rd rotation direction rib is a plurality of, and described the 3rd rotation direction rib and described the second rotation direction rib interval arrange, and a plurality of described the 3rd rotation direction ribs are evenly distributed on all sides of described the 8th grizzly bar.
6. grid according to claim 5, is characterized in that:
The quantity of described the 3rd rotation direction rib is 16-20.
7. according to the grid described in claim 1-6 any one, it is characterized in that:
Spacing between adjacent described grizzly bar is identical, and described spacing is 8mm-12mm.
8. grid according to claim 7, is characterized in that:
In windward side, to lee face direction, described rotation direction rib is shape small in ends broad in the middle.
9. grid according to claim 7, is characterized in that:
In windward side, to lee face direction, the Yi Ce longitudinal section, windward side of described rotation direction rib is tapered, and the longitudinal section of lee face one side is outer lug arc surfaced tip.
10. according to the grid described in claim 2-6 any one, it is characterized in that:
The diameter of described central area is 122mm-132mm.
11. 1 kinds of ventilation equipment, is characterized in that:
Comprise the grid described in claim 1-10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484331.8U CN203404932U (en) | 2013-08-08 | 2013-08-08 | Grille and ventilating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484331.8U CN203404932U (en) | 2013-08-08 | 2013-08-08 | Grille and ventilating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203404932U true CN203404932U (en) | 2014-01-22 |
Family
ID=49940864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320484331.8U Expired - Lifetime CN203404932U (en) | 2013-08-08 | 2013-08-08 | Grille and ventilating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203404932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184146A (en) * | 2017-06-26 | 2017-09-22 | 美的集团股份有限公司 | Dust catcher |
| CN112032853A (en) * | 2020-08-28 | 2020-12-04 | 珠海格力电器股份有限公司 | Air conditioner fan grille, outer casing body, system and configuration method of system |
-
2013
- 2013-08-08 CN CN201320484331.8U patent/CN203404932U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184146A (en) * | 2017-06-26 | 2017-09-22 | 美的集团股份有限公司 | Dust catcher |
| CN112032853A (en) * | 2020-08-28 | 2020-12-04 | 珠海格力电器股份有限公司 | Air conditioner fan grille, outer casing body, system and configuration method of system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |
|
| CX01 | Expiry of patent term |