CN206957998U - A kind of gas flow guiding cover - Google Patents
A kind of gas flow guiding cover Download PDFInfo
- Publication number
- CN206957998U CN206957998U CN201720445687.9U CN201720445687U CN206957998U CN 206957998 U CN206957998 U CN 206957998U CN 201720445687 U CN201720445687 U CN 201720445687U CN 206957998 U CN206957998 U CN 206957998U
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- CN
- China
- Prior art keywords
- gas flow
- flow guiding
- guiding cover
- drainage cylinder
- drainage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
It the utility model is related to a kind of gas flow guiding cover; the gas flow guiding is covered at the air outlet of electric fan; gas flow guiding cover is interlocked with the protective cover on rear side of electric fan; multiple drainage cylinders are installed on gas flow guiding cover body; the cross section of drainage cylinder everywhere is circle, and the cross-sectional area of drainage cylinder is gradually reduced along the airflow direction at electric fan air outlet.Gas flow guiding cover of the present utility model, easily it is made and material therefor cost is cheap, to gas generating units such as electric fan and induced-draught fans, wind speed can be effectively increased, improve air supplying distance, increase comfort level, while reduce energy consumption and use cost, is worthy to be popularized.
Description
Technical field
The utility model belongs to machinery equipment field, relates generally to a kind of gas flow guiding cover.
Background technology
Existing home appliance such as electric fan, or industrial equipment such as induced-draught fan etc., it is required to make gas flowing reach it
Application target.But in use, the problems such as wind speed is small, air supplying distance is short be present.How energy input is not being increased
On the basis of, increase wind speed, air supplying distance is improved, increase comfort level, be current urgent problem.
The content of the invention
The purpose of this utility model is solve gas generating unit of the prior art, wind speed in use be present
Small, the problem of air supplying distance is short, and then propose a kind of gas flow guiding cover.
A kind of gas flow guiding cover is the utility model is related to, the gas flow guiding is covered at the air outlet of electric fan, and gas is led
Stream cover is interlocked with the protective cover on rear side of electric fan, be provided with multiple drainage cylinders on gas flow guiding cover body, and drainage cylinder is everywhere
Cross section is circle, and the cross-sectional area of drainage cylinder is gradually reduced along the airflow direction at electric fan air outlet.
Further, multiple drainage cylinders are evenly distributed on gas flow guiding cover body.
Further, the height of drainage cylinder is gradually increased by center to the edge of gas flow guiding cover body.
Further, the diameter of drainage cylinder air inlet and air outlet ratio is (1.5~3): 1.
Further, the length ratio of the height of drainage cylinder and air inlet diameter is 1: (0.7~1).
Further, gas flow guiding cover is in spherical crown shape.
The utility model further relates to another gas flow guiding cover, gas flow guiding cover seal buckle the entering together in axial flow blower
At air port, multiple drainage cylinders are installed on the gas flow guiding cover, the cross section of drainage cylinder everywhere is circle, the horizontal stroke of drainage cylinder
Airflow direction of the sectional area along axial flow blower air inlet is gradually reduced.
Further, multiple drainage cylinders are evenly distributed on gas flow guiding cover body.
Further, the height of drainage cylinder is gradually increased by center to the edge of gas flow guiding cover body.
Further, the diameter of drainage cylinder air inlet and air outlet ratio is (1.5~3): 1, the height and air intake of drainage cylinder
The length ratio of mouth diameter is 1: (0.7~1).
Gas flow guiding cover of the present utility model, easily it is made and material therefor cost is cheap, to electric fan and induced-draught fan etc.
Gas generating unit, wind speed can be effectively increased, improve air supplying distance, increase comfort level, while reduce energy consumption and use cost,
It is worthy to be popularized.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the utility model gas flow guiding cover in embodiment 1.
Fig. 2 is the structural representation of the utility model gas flow guiding cover in embodiment 1.
Fig. 3 is second of the structural representation of the utility model gas flow guiding cover in embodiment 1.
Fig. 4 is the schematic perspective view of the utility model gas flow guiding cover in example 2.
Fig. 5 is the structural representation of the utility model gas flow guiding cover in example 2.
Fig. 6 is second of the structural representation of the utility model gas flow guiding cover in example 2.
Embodiment
The utility model is further described below in conjunction with accompanying drawing:
Refering to Fig. 1, a kind of gas flow guiding cover is the utility model is related to, it can be assembled together with gas generating unit, position
At the air inlet or air outlet of gas generating unit.Multiple drainage cylinders 11 are installed on gas flow guiding cover body 12, drained
11 cross section everywhere of cylinder is circle, and the cross-sectional area of drainage cylinder 11 is gradually reduced along airflow direction.Drainage cylinder 11 is in gas
Can be evenly distributed on water conservancy diversion cover body 12, or part is intensive according to actual needs, the loose arrangement in part.In addition, drainage cylinder 11
Height and internal diameter width can be set on demand, and the cross-sectional area difference at the both ends of drainage cylinder 11 is bigger, then wind speed is bigger.By setting
Wind speed direction can also be changed by putting drainage cylinder 11.
Preferably, the height of drainage cylinder 11 is gradually increased by center to the edge of gas flow guiding cover body 12, drainage cylinder 11
The diameter of air inlet and air outlet ratio is (1.5~3): 1, the height of drainage cylinder 11 is 1: (0.7 with the length ratio of air inlet diameter
~1).
Drainage cylinder 11 is integrally formed or is connected through a screw thread with gas flow guiding cover body 12, but connection method is not limited to
This.
Embodiment 1
Referring to Fig. 1 to 3, occupation mode of the gas flow guiding cover 1 on electric fan is specifically enumerated:
From the figure, it can be seen that gas flow guiding cover 1 is located at the air outlet of electric fan 2, gas flow guiding cover 1 and electric fan 2
The protective cover 21 of side is interlocked, and gas flow guiding cover 1 is in spherical crown shape.Multiple drainage cylinders are installed on gas flow guiding cover body 12
11, the cross-sectional area of drainage cylinder 11 is gradually reduced along the airflow direction at the air outlet of electric fan 2.Drainage cylinder 11 is in gas flow guiding cover
It is evenly distributed on body 12.The length of multiple drainage cylinders 11 is different, the drainage cylinder of the near center location of gas flow guiding cover body 12
To be less than the drainage cylinder of marginal position, this is set according to the air-out situation of electric fan, in order to reduces windage.
Preferably, the height of drainage cylinder 11 is gradually increased by center to the edge of gas flow guiding cover body 12, drainage cylinder 11
The diameter of air inlet and air outlet ratio is 1.5: 1, and the height of drainage cylinder 11 is 1: 0.7 with the length ratio of air inlet diameter.
In addition, protective cover 21 of the kuppe 1 only with the rear side of electric fan 2 is interlocked, the protective cover of the opposite side of electric fan 2
It can disassemble, kuppe serves the effect of protective cover simultaneously herein.
Embodiment 2
Referring to Fig. 4 to 6, occupation mode of the gas flow guiding cover 1 on induced-draught fan is specifically enumerated:
Gas flow guiding cover is sealed in the air inlet of induced-draught fan 3, and multiple drainage cylinders 11 are provided with gas flow guiding cover 1, are drawn
The cross section of flow cartridge 11 everywhere is circle, and the airflow direction of the cross-sectional area of drainage cylinder 11 along the air inlet of induced-draught fan 3 is gradual
Reduce.Drainage cylinder 11 is evenly distributed on gas flow guiding cover body 12, and the length of multiple drainage cylinders 11 is identical.Gas flow guiding cover sheet
The shape of body 12 and the shape of the air inlet of induced-draught fan 3 match, it is therefore an objective to are sealed against to use.
Preferably, the height of drainage cylinder 11 is gradually increased by center to the edge of gas flow guiding cover body 12, drainage cylinder 11
The diameter of air inlet and air outlet ratio is 3: 1, and the height of drainage cylinder 11 is 1: 1 with the length ratio of air inlet diameter.
Drainage cylinder 11 is integrally formed or is connected through a screw thread with gas flow guiding cover body 12.
Gas flow guiding cover of the present utility model, easily it is made and material therefor cost is cheap, to electric fan and induced-draught fan etc.
It gas generating unit, can effectively change its wind speed and direction, while reduce energy consumption and use cost, be worthy to be popularized.
The utility model is not limited to described above, in person of ordinary skill in the field's possessed knowledge,
It can also be made a variety of changes on the premise of the utility model aims are not departed from, person of ordinary skill in the field is from above-mentioned
Design set out, without performing creative labour, made a variety of conversion, all fall within the scope of protection of the utility model.
Claims (10)
1. a kind of gas flow guiding cover, the gas flow guiding are covered at the air outlet of electric fan (2), it is characterised in that gas flow guiding
Cover (1) is interlocked with the protective cover (21) on rear side of electric fan (2), and gas flow guiding cover body is provided with multiple drainage cylinders on (12)
(11), the cross section of drainage cylinder (11) everywhere is circle, and the cross-sectional area of drainage cylinder (11) is along at electric fan (2) air outlet
Airflow direction is gradually reduced.
2. gas flow guiding cover according to claim 1, it is characterised in that multiple drainage cylinders (11) are in gas flow guiding cover body
(12) it is evenly distributed on.
3. gas flow guiding cover according to claim 1, it is characterised in that the height of drainage cylinder (11) is by gas flow guiding cover sheet
Center to the edge of body (12) gradually increases.
4. gas flow guiding cover according to claim 1, it is characterised in that the diameter of drainage cylinder (11) air inlet and air outlet
Than for (1.5~3): 1.
5. gas flow guiding cover according to claim 1, it is characterised in that the height of drainage cylinder (11) and air inlet diameter
Length ratio is 1: (0.7~1).
6. gas flow guiding cover according to claim 1, it is characterised in that gas flow guiding cover (1) is in spherical crown shape.
7. a kind of gas flow guiding cover, together in the air inlet of axial flow blower (3), its feature exists the gas flow guiding cover seal buckle
In being provided with multiple drainage cylinders (11) on the gas flow guiding cover (1), the cross section of drainage cylinder (11) everywhere is circle, is drawn
Airflow direction of the cross-sectional area of flow cartridge (11) along axial flow blower (3) air inlet is gradually reduced.
8. gas flow guiding cover according to claim 7, it is characterised in that multiple drainage cylinders (11) are in gas flow guiding cover body
(12) it is evenly distributed on.
9. gas flow guiding cover according to claim 7, it is characterised in that the height of drainage cylinder (11) is by gas flow guiding cover sheet
Center to the edge of body (12) gradually increases.
10. gas flow guiding cover according to claim 7, it is characterised in that the air inlet of drainage cylinder (11) and air outlet
Diameter ratio is (1.5~3): 1, the height of drainage cylinder (11) is 1 with the length ratio of air inlet diameter: (0.7~1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720445687.9U CN206957998U (en) | 2017-04-26 | 2017-04-26 | A kind of gas flow guiding cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720445687.9U CN206957998U (en) | 2017-04-26 | 2017-04-26 | A kind of gas flow guiding cover |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206957998U true CN206957998U (en) | 2018-02-02 |
Family
ID=61374140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720445687.9U Expired - Fee Related CN206957998U (en) | 2017-04-26 | 2017-04-26 | A kind of gas flow guiding cover |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206957998U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109737575A (en) * | 2018-12-29 | 2019-05-10 | 佛山科学技术学院 | A kind of intelligent fan dry and wet adjusting method and device |
CN109748000A (en) * | 2019-03-13 | 2019-05-14 | 青岛海硕环保设备有限公司 | A kind of dustbin |
-
2017
- 2017-04-26 CN CN201720445687.9U patent/CN206957998U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109737575A (en) * | 2018-12-29 | 2019-05-10 | 佛山科学技术学院 | A kind of intelligent fan dry and wet adjusting method and device |
CN109748000A (en) * | 2019-03-13 | 2019-05-14 | 青岛海硕环保设备有限公司 | A kind of dustbin |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
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: 20180202 Termination date: 20200426 |