CN110701072A - Air quantity adjusting device of axial flow fan - Google Patents
Air quantity adjusting device of axial flow fan Download PDFInfo
- Publication number
- CN110701072A CN110701072A CN201911065913.0A CN201911065913A CN110701072A CN 110701072 A CN110701072 A CN 110701072A CN 201911065913 A CN201911065913 A CN 201911065913A CN 110701072 A CN110701072 A CN 110701072A
- Authority
- CN
- China
- Prior art keywords
- fan blade
- fan
- axial flow
- adjusting device
- air quantity
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
Abstract
The invention discloses an air quantity adjusting device of an axial flow fan, which comprises an outer barrel and a connecting frame, wherein one end of the connecting frame is connected with the inner wall of the outer barrel, the other end of the connecting frame is connected with a sleeve, a fastening ring is arranged below the sleeve, an installation sleeve is arranged at the lower end of a protection cover, an adjuster is arranged at the upper end of the protection cover, a fan head is arranged at the right end of the protection cover and comprises a first fan blade and a second fan blade, the second fan blade is attached to the first fan blade, a fixing piece is arranged on the outer side of the second fan blade and connected with the adjusting piece, a second lug is arranged on the inner side of the upper left of the second fan blade, a first lug is arranged on the left side of. The invention has the function of air volume adjustment, and also has the functions of convenient assembly and disassembly, low noise and convenient use.
Description
Technical Field
The invention relates to the field of air quantity, in particular to an air quantity adjusting device of an axial flow fan.
Background
The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The air quantity of the axial flow fan is small, and the efficiency is not high.
For example, the chinese utility model patent that patent number is 201721002125.3 discloses an air-cooler that air output is big, including frame main part, flabellum motor and upper cover, the flabellum motor is located the inside center department of frame main part, the upper cover is fixed in frame main part upper end, upper cover center department is provided with the dryer of going out, the dryer of going out is both ends open-ended cavity tubular structure, and the lower port runs through the inside of upper cover intercommunication frame main part, the flabellum is installed to the main shaft department of flabellum motor, and the flabellum is located the lower port inside of the dryer of going out, the interior play dryer of having cup jointed in the inside of the dryer of going out, interior play dryer is one end open-ended cavity tubbiness structure, and the tip of sealing of interior play dryer is located the flabellum top on the fla.
Although the fan can meet the requirement of large air volume, the air volume required by people cannot be met, and the use is inconvenient.
Disclosure of Invention
The invention provides an air quantity adjusting device which can adjust fan blades when large air quantity is needed and increase the air outlet area.
The technical scheme for solving the technical problems is as follows: the air quantity regulating device of the axial flow fan comprises an outer barrel and a connecting frame, wherein one end of the connecting frame is connected with the inner wall of the outer barrel, the other end of the connecting frame is connected with a sleeve, a fastening ring is arranged below the sleeve, an installation sleeve is arranged at the lower end of a protection cover, a regulator is arranged at the upper end of the protection cover, and a fan head is arranged at the right end of the protection cover.
As a further scheme of the invention: the fan head comprises a first fan blade and a second fan blade, the second fan blade is attached to the first fan blade, a fixing piece is arranged on the outer side of the second fan blade and connected with an adjusting piece, a second convex block is arranged on the inner side of the upper left of the second fan blade, a first convex block is arranged on the left side of the first fan blade, and a groove is formed in the upper right side of the first fan blade.
According to a further scheme of the invention, an included angle formed by the second fan blade and the first fan blade is adjusted rightwards to be 75 degrees ~ 105 degrees, and the second fan blade is adjusted rightwards to be clamped with the first fan blade through a clamping groove.
As a further scheme of the invention: the outer cylinder is provided with a silencer, and the protective cover is provided with a heating device.
Due to the adoption of the structure, the fan blade is enlarged by rotating the regulator when large air quantity is needed, the use is convenient, and the heater is started when hot air is needed, so that the use is convenient.
Drawings
Fig. 1 is a schematic view of an air volume adjusting device of an axial flow fan according to the present invention.
Fig. 2 is a left side view of the fan blade.
Fig. 3 is an enlarged view of B in fig. 2.
Fig. 4 is an enlarged view of a in fig. 1.
In the figure: the structure comprises an outer barrel 1, a connecting frame 2, a fan head 3, a regulator 4, a protective cover 5, a heating device 6, a sleeve 7, a silencer 8, a first fan blade 9, a second fan blade 10, a clamping groove 11, a first bump 12, a fixing piece 13, a regulating piece 14, a groove 15, a second bump 16, a fastening ferrule 17 and an installation sleeve 18.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1, the axial flow fan of the present invention comprises an outer cylinder 1 and a connecting frame 2, wherein one end of the connecting frame 2 is connected with the inner wall of the outer cylinder 1, the other end of the connecting frame 2 is connected with a sleeve 7, as shown in fig. 4, a fastening ferrule 17 is arranged below the sleeve 7, a mounting sleeve 18 is arranged at the lower end of a protective cover 5, an adjuster 4 is arranged at the upper end of the protective cover 5, a fan head 3 is arranged at the right end of the protective cover 5, as shown in fig. 2, the fan head 3 comprises a first fan blade 9 and a second fan blade 10, the second fan blade 10 is attached to the first fan blade 9, a fixing member 13 is arranged on the outer side of the second fan blade 10, the fixing member 13 is connected with the adjuster 14, as shown in fig. 3, a small projection 16 is arranged on the upper left inner side of the second fan blade 10, a projection 12 is arranged on the left side of the first fan blade 9, a groove 15 is arranged on the upper right side of the first fan blade 9, the second fan blade 10 is adjusted rightward, an included.
Due to the adoption of the structure, when large air volume is needed, the regulator 4 regulates the second fan blade 10 to rotate rightwards, the second convex block on the second fan blade 10 is just in limit fit with the groove 15 arranged on the right upper side of the first fan blade 9, when the large air volume is regulated, the regulator 4 regulates the second fan blade 10 to rotate leftwards, and the second fan blade 10 is just blocked by the convex block 12 arranged on the left side of the first fan blade 9, so that the rotation angle of the second fan blade 10 can be limited, and the condition that the second fan blade 10 rotates in disorder is avoided; the fastening ferrule 17 and the mounting sleeve 18 are buckled with each other, the tissue disassembly is convenient, meanwhile, the sleeve 7 and the protective cover 5 form a seal for the whole day, the corrosion pollution of the motor caused by water vapor or other pollutants is prevented, and the service life of the motor is prolonged.
In addition, the outer cylinder 1 is provided with a silencer 8, and the protective cover 5 is provided with a heater 6.
Due to the adoption of the structure, when hot air is needed, the heating device 6 is started, and the air blown out from the fan head 3 is the hot air, so that the fan has the effect of being used in autumn and winter; the outer cylinder 1 is provided with the silencer 8, which can reduce the noise generated by the motor and has a quieter environment.
The description and applications of the present invention are illustrative, and are not intended to limit the scope of the invention to the embodiments recited above. Variations and modifications of the embodiments disclosed herein are possible, and practical alternatives to and equivalents of the various components of the embodiments are known to those of ordinary skill in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other elements, materials, and components, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the spirit or essential characteristics of the invention.
Claims (4)
1. The utility model provides an axial fan's air regulation device, includes urceolus (1), link (2), characterized by: link (2) one end and urceolus (1) inner wall connection, the link (2) other end is connected with sleeve pipe (7), sets up fastening lasso (17) under sleeve pipe (7), and safety cover (5) lower extreme sets up installation cover (18), and regulator (4) are equipped with to safety cover (5) upper end, and fan head (3) are equipped with to safety cover (5) right-hand member.
2. The air volume adjusting device of an axial flow fan according to claim 1, wherein: the fan head (3) comprises a first fan blade (9) and a second fan blade (10), the second fan blade (10) is attached to the first fan blade (9), a fixing piece (13) is arranged on the outer side of the second fan blade (10), the fixing piece (13) is connected with an adjusting piece (14), a second bump (16) is arranged on the inner side of the upper left side of the second fan blade (10), a first bump (12) is arranged on the left side of the first fan blade (9), and a groove (15) is arranged on the upper right side of the first fan blade (9).
3. The air quantity adjusting device of the axial flow fan as claimed in claim 2, characterized in that the included angle formed by the second fan blade (10) and the first fan blade (9) is adjusted rightwards to be 75 degrees ~ 105 degrees, and the second fan blade (10) is adjusted rightwards to be clamped with the first fan blade (9) through the clamping groove (11).
4. The air volume adjusting device of an axial flow fan according to claim 1, wherein: the outer cylinder (1) is provided with a silencing device (8), and the protective cover (5) is provided with a heating device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065913.0A CN110701072A (en) | 2019-11-04 | 2019-11-04 | Air quantity adjusting device of axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065913.0A CN110701072A (en) | 2019-11-04 | 2019-11-04 | Air quantity adjusting device of axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110701072A true CN110701072A (en) | 2020-01-17 |
Family
ID=69204261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911065913.0A Pending CN110701072A (en) | 2019-11-04 | 2019-11-04 | Air quantity adjusting device of axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110701072A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807212A (en) * | 2012-11-15 | 2014-05-21 | 北汽福田汽车股份有限公司 | Engine cooling fan, cooling fan assembly and vehicle with fan assembly |
| CN203670278U (en) * | 2013-09-22 | 2014-06-25 | 重庆双扬牌电器制造有限公司 | Fan with fan blade angle adjustable |
| CN207975000U (en) * | 2018-01-31 | 2018-10-16 | 来宾市恒丰厨房设备有限公司 | A kind of axial flow blower |
| EP3390839A2 (en) * | 2015-12-18 | 2018-10-24 | Renault S.A.S. | Impeller for a motor-driven fan unit of a vehilcle engine cooling system |
| CN209139435U (en) * | 2018-10-10 | 2019-07-23 | 福州特实科技有限公司 | A kind of adjustable vent cabinet of air quantity |
-
2019
- 2019-11-04 CN CN201911065913.0A patent/CN110701072A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807212A (en) * | 2012-11-15 | 2014-05-21 | 北汽福田汽车股份有限公司 | Engine cooling fan, cooling fan assembly and vehicle with fan assembly |
| CN203670278U (en) * | 2013-09-22 | 2014-06-25 | 重庆双扬牌电器制造有限公司 | Fan with fan blade angle adjustable |
| EP3390839A2 (en) * | 2015-12-18 | 2018-10-24 | Renault S.A.S. | Impeller for a motor-driven fan unit of a vehilcle engine cooling system |
| CN207975000U (en) * | 2018-01-31 | 2018-10-16 | 来宾市恒丰厨房设备有限公司 | A kind of axial flow blower |
| CN209139435U (en) * | 2018-10-10 | 2019-07-23 | 福州特实科技有限公司 | A kind of adjustable vent cabinet of air quantity |
Non-Patent Citations (1)
| Title |
|---|
| 续魁昌: "《风机手册》", 31 May 1999, 石油大学出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200117 |
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| RJ01 | Rejection of invention patent application after publication |