CN205505141U - Extractor hood absorbing -discharging structure using venturi principle to realize center -built negative pressure - Google Patents
Extractor hood absorbing -discharging structure using venturi principle to realize center -built negative pressure Download PDFInfo
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- CN205505141U CN205505141U CN201620322260.5U CN201620322260U CN205505141U CN 205505141 U CN205505141 U CN 205505141U CN 201620322260 U CN201620322260 U CN 201620322260U CN 205505141 U CN205505141 U CN 205505141U
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- negative pressure
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- venturi principle
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Abstract
The utility model discloses an extractor hood absorbing -discharging structure using venturi principle to realize center -built negative pressure, including oil net, characterized by the spired platform of oily net system structure, the lower bottom surface of toper platform be rectangle A'B'C'D', the last bottom surface of toper platform is trapezoidal ABCD, is the contained angle alpha between rectangle A'B'C'D' and the trapezoidal ABCD 13 17, two side AA'BB' of toper platform are the plane of symmetry with CC'DD', is beta 45 with rectangle A'B'C'D' face contained angle 55 are the leading flank BB'CC' and the bottom A'B'C'D' face contained angle of toper platform 60 for gamma 65 is toper platform trailing flank AA'DD' 27 with bottom A'B'C'D' face contained angle for epsilon 30, the utility model relates to an extractor hood absorbing -discharging structure using venturi principle to realize center -built negative pressure who has the negative pressure of providing center pressure.
Description
Technical field
This utility model relates to a kind of extractor hood structure, the suction structure of a kind of range hood utilizing venturi principle to realize center-built negative pressure.
Background technology
Today, most lampblack absorber uses the structure of evagination oil network, and this kind of oil network advantage is that its four sides air intake is effectively improved incoming air area, and shortcoming is: one, the oil network of evagination affects the overall appearance of lampblack absorber；Two, male type structure is unfavorable for that negative pressuren zone is effectively formed on four sides, reduces the oil absorbing effect of lampblack absorber.This type of oil network of oil network of another kind of employing opposite face symmetrical expression concave inward structure uses frustum structural top by hanging alopecia areata danger, and tetragonal symmetry formula mechanism is designed without being formed with the barometric gradient guiding air-flow convolution rising of effect at central negative nip simultaneously, reduces oil absorbing effect.
Utility model content
In order to solve the problems referred to above, this utility model provides the suction structure of a kind of range hood utilizing venturi principle to realize center-built negative pressure being provided with negative pressure center pressure.
In order to achieve the above object, the venturi principle that utilizes designed by this utility model realizes the suction structure of range hood of center-built negative pressure, including oil network, it is characterized in that described oil network composition taper platform structure, the bottom surface of taper platform is rectangle A'B'C'D', and the upper bottom surface of taper platform is trapezoidal ABCD, and the face angle α between rectangle A'B'C'D' and trapezoidal ABCD is 13 °-17 °, two side AA'BB' Yu CC'DD' of taper platform are the plane of symmetry, are 45 °-55 ° with rectangle A'B'C'D' face angle β；The leading flank BB'CC' of taper platform and A'B'C'D' face, bottom angle be γ be 60 °-65 °；Taper platform trailing flank AA'DD' and A'B'C'D' face, bottom angle be ε be 27 °-30 °.
Further scheme is, four sides of described taper platform structure are provided with oil network mesh, and the oil network mesh on four faces does clockwise or counterclockwise around trapezoidal ABCD.
The venturi principle that utilizes obtained by this utility model realizes the suction structure of range hood of center-built negative pressure, and feature is generally trapezoidal shape structure, and front and back air intake region area is different, and trapezoidal shape top is the trapezoidal faces of band gradient.The advantage of this design is be formed near oil network the negative pressuren zone of larger area when lampblack absorber works, and the pressure at negative pressuren zone center defines ladder pressure differential due to irregular oblique cone air intake surface air-flow, by ladder pressure differential direction vector being made to point to and the kitchen range top pot center control of the scalene cone of oil network, thus reach to increase the volume of effective negative pressuren zone, promote range hood oil absorbing effect.In sum, this utility model has the advantage that
1, the indent design of oil network advantageously forms the negative pressuren zone of larger area, improves the oil suction oil effect of lampblack absorber,
2 and before and after uniqueness the design of the asymmetric air intake in face district effectively utilize the feature of the suction gradient such as not to guide oil smoke to improve cage smoke performance for specific region, thus improve the oil absorbing effect of lampblack absorber；
3, the inclined ladder mesh generation at top solves the top surface extension oil problem of tradition indent oil network.
4, air intake mesh arrangement at an angle, easily forms whirlwind, increases negative pressuren zone, is conducive to holding together the effect of cigarette and smoke evacuation.
Accompanying drawing explanation
Fig. 1 is the trapezoidal shape structural front view of this utility model design.
Fig. 2 is the trapezoidal shape structure upward view of this utility model design.
Fig. 3 is the trapezoidal shape structure right view of this utility model design.
Detailed description of the invention
The utility model will be further described to combine accompanying drawing below by embodiment.
Embodiment
1
。
As Figure 1-3, what the present embodiment described utilizes venturi principle to realize the suction structure of range hood of center-built negative pressure, including oil network, described oil network composition taper platform 1 structure, the bottom surface of taper platform 1 is rectangle A'B'C'D', and the upper bottom surface of taper platform is trapezoidal ABCD, and the face angle α between rectangle A'B'C'D' and trapezoidal ABCD is 13 °-17 °, two side 2 AA'BB' Yu CC'DD' of taper platform 1 are the plane of symmetry, are 45 °-55 ° with rectangle A'B'C'D' face angle β；Leading flank 3 BB'CC' of taper platform and A'B'C'D' face, bottom angle be γ be 60 °-65 °；Taper platform trailing flank 4 AA'DD' and A'B'C'D' face, bottom angle be ε be 27 °-30 °.
Four sides of described taper platform structure are provided with oil network mesh 5, and the oil network mesh on four faces does clockwise or counterclockwise around trapezoidal ABCD.
Claims (2)
1. the suction structure of the range hood utilizing venturi principle to realize center-built negative pressure, including oil network, it is characterized in that described oil network composition taper platform structure, the bottom surface of taper platform is rectangle A'B'C'D', the upper bottom surface of taper platform is trapezoidal ABCD, face angle α between rectangle A'B'C'D' and trapezoidal ABCD is 13 °-17 °, and two side AA'BB' Yu CC'DD' of taper platform are the plane of symmetry, is 45 °-55 ° with rectangle A'B'C'D' face angle β；The leading flank BB'CC' of taper platform and A'B'C'D' face, bottom angle be γ be 60 °-65 °；Taper platform trailing flank AA'DD' and A'B'C'D' face, bottom angle be ε be 27 °-30 °.
The suction structure of the range hood utilizing venturi principle to realize center-built negative pressure the most according to claim 1, it is characterized in that four sides of described taper platform structure are provided with oil network mesh, the oil network mesh on four faces does clockwise or counterclockwise around trapezoidal ABCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620322260.5U CN205505141U (en) | 2016-04-18 | 2016-04-18 | Extractor hood absorbing -discharging structure using venturi principle to realize center -built negative pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620322260.5U CN205505141U (en) | 2016-04-18 | 2016-04-18 | Extractor hood absorbing -discharging structure using venturi principle to realize center -built negative pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205505141U true CN205505141U (en) | 2016-08-24 |
Family
ID=56715648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620322260.5U Expired - Fee Related CN205505141U (en) | 2016-04-18 | 2016-04-18 | Extractor hood absorbing -discharging structure using venturi principle to realize center -built negative pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205505141U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402970A (en) * | 2016-11-01 | 2017-02-15 | 青岛海高设计制造有限公司 | Range hood |
| CN106475343A (en) * | 2016-11-01 | 2017-03-08 | 青岛海高设计制造有限公司 | A kind of automatic cleaning apparatus of smoke exhaust ventilator and the smoke exhaust ventilator comprising which |
| CN110686299A (en) * | 2019-10-25 | 2020-01-14 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN111473386A (en) * | 2020-05-13 | 2020-07-31 | 杭州老板电器股份有限公司 | Smoke collecting hood and range hood |
-
2016
- 2016-04-18 CN CN201620322260.5U patent/CN205505141U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402970A (en) * | 2016-11-01 | 2017-02-15 | 青岛海高设计制造有限公司 | Range hood |
| CN106475343A (en) * | 2016-11-01 | 2017-03-08 | 青岛海高设计制造有限公司 | A kind of automatic cleaning apparatus of smoke exhaust ventilator and the smoke exhaust ventilator comprising which |
| CN110686299A (en) * | 2019-10-25 | 2020-01-14 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN111473386A (en) * | 2020-05-13 | 2020-07-31 | 杭州老板电器股份有限公司 | Smoke collecting hood and range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20190418 |