KR20110131466A - Axial fan which is easy to adjustable angle - Google Patents

Axial fan which is easy to adjustable angle Download PDF

Info

Publication number
KR20110131466A
KR20110131466A KR1020100050916A KR20100050916A KR20110131466A KR 20110131466 A KR20110131466 A KR 20110131466A KR 1020100050916 A KR1020100050916 A KR 1020100050916A KR 20100050916 A KR20100050916 A KR 20100050916A KR 20110131466 A KR20110131466 A KR 20110131466A
Authority
KR
South Korea
Prior art keywords
hub member
blade
hubs
easy
insertion groove
Prior art date
Application number
KR1020100050916A
Other languages
Korean (ko)
Inventor
서홍범
Original Assignee
서홍범
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 서홍범 filed Critical 서홍범
Priority to KR1020100050916A priority Critical patent/KR20110131466A/en
Publication of KR20110131466A publication Critical patent/KR20110131466A/en

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
    • A01K1/0052—Arrangement of fans or blowers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
    • 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
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/329—Details of the hub
    • 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
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • 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
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646—Mounting or removal of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention discloses an axial fan with an easy angle adjustment.
The present invention comprises a hub member assembled with the first and second hubs, and a plurality of blades provided along the circumference of the hub member, and the blades are fitted around the first and second hubs forming the hub member. And an insertion groove which is formed and protrudes and is formed in the insertion groove, wherein the blade includes: a coupling portion having a plurality of coupling grooves formed along a circumference thereof so as to be fitted into the insertion grooves of the first and second hubs; It includes a wing that extends from this engaging portion.

Description

Axial Fan which is easy to Adjustable Angle}

The present invention relates to an axial fan that is easy to adjust the angle, and more particularly to adjust the blade at a desired angle to be used conveniently.

In general, an axial flow fan used for a refrigerated warehouse or a tunnel is a device that sucks and blows gas from the axial direction, and comprises a hub member having a center of rotation and a plurality of blades arranged on the outer circumference of the hub member.

Conventional axial fan is composed of a single member of the hub member is cast or die casting, because a plurality of blades are coupled (key coupled) along the circumferential surface, if the blade or the like should be replaced due to an unexpected problem, Replacement work is cumbersome, and furthermore, it is difficult to evenly change the installation angle of the blade, there was a problem that can not adjust the amount of air according to the number of revolutions.

In other words, it is used for high pressure or low pressure. The blade angle is different depending on the conditions of use, so that the angle is reduced for high speed rotation (when the horizontal angle is set so that the angle erected from the hub member is small). Since it is necessary to use it largely (in case of horizontal reference, the angle erected from the hub member is large), the conventional axial fan is such a structure that it is difficult to easily change the angle of the blade or has a structure that can be changed in a limited manner.

Accordingly, the present invention is to solve the conventional problems as described above, the problem to be solved in the present invention is to easily adjust the blades at various angles, to improve the assemblability to facilitate the disassembly, assembly.

Means for solving the problem of the present invention is composed of a hub member assembled with the first and second hub, and a plurality of blades provided along the circumference of the hub member,

Peripherals of the first and second hubs constituting the hub member includes an insertion groove formed so that the blade can be fitted, and a protrusion projecting and formed inside the insertion groove,

The blade includes a coupling portion having a plurality of coupling grooves formed along a circumference thereof so as to be inserted into the insertion grooves of the first and second hubs, and a wing portion extending and formed from the coupling portion.

In addition, the outer side of the protrusion has a structure in which the fitting groove is further formed.

In addition, around the engaging portion of the blade, the fitting projection is formed to be fitted to the fitting groove is made.

In addition, when the blade is not coupled to the insertion groove formed around the hub member 10 has a structure to fit the stopper member.

As described above, the present invention is composed of a hub member and a blade while the hub member is composed of two separate hubs, and thus easy to assemble, so that the number of installation of the blade can be changed freely.

Moreover, the installation angle of the blade can be easily changed and installed as needed, and the length and number of blades can be adjusted and used, and the hub member is made of a material that can withstand low temperature, high temperature, salinity, chemical composition, etc. The effect can be used smoothly for a long time.

1 is a perspective view according to an embodiment of the present invention.
2 is an exploded perspective view according to an embodiment of the present invention.
3 is a perspective view of a state further provided with a blade in FIG.
4 is a front view of FIG. 3.
5 is a cross-sectional view taken along the line AA of FIG. 4.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view according to an embodiment of the present invention, Figure 2 is an exploded perspective view according to an embodiment of the present invention.

As shown in the figure, the axial flow fan 1 according to the present invention has a structure consisting of a hub member 10 and a plurality of blades 20 provided along the circumference of the hub member 10.

The hub member 10 is composed of two structures of the first hub 11 and the second hub 12 so as to be easily assembled and assembled together through a fastening member 10a such as a bolt.

Furthermore, a plurality of insertion grooves 11a and 12a are formed around the first and second hubs 11 and 12 constituting the hub member 10 so that the blades 20 can be fitted. A plurality of protrusions 11b and 12b protrude and form in the 11a and 12a.

In addition, fitting grooves 11c and 12c are formed in the outward direction of the projections 11b and 12b.

The blade 20 has an engaging portion 21 fitted into the insertion grooves 11a and 12a of the first and second hubs 11 and 12 and a wing portion 22 extending from the engaging portion 21. )

In addition, the coupling portion 21 has a plurality of coupling grooves 21a are formed along the circumference, and an annular fitting protrusion 21b is formed around the coupling portion 21 to form the fitting grooves 11c and 12c. ) Is a structure that is fitted to the hook to be made. Instead of the fitting protrusion 21b, a rubber ring may be inserted and fixed.

The hub member 10 is a high-strength material, made of engineering plastic (mixed nylon and glass fiber) that can withstand temperatures up to 210 degrees and low temperature -40 degrees, and is resistant to high and low temperatures, and does not rust. It is very safe to chemicals.

Coupling holes 11d and 12d are formed in the center of the first and second hubs 11 and 12 constituting the hub member 10, and a motor (not shown) is coupled to one coupling hole 11d. In the other coupling hole 12d, a through hole 12e communicating with the coupling hole 12d is formed, and the cover 13 is coupled.

More specifically, the cover 13 has one or more coupling pieces 13a bent and formed along a circumferential surface thereof into the through hole 12e formed around the coupling hole 12d of the second hub 12. Make sure it fits in and locks in place. As a result, the inside of the hub member 10 is not visible, thereby giving a neat appearance.

In addition, the boss member 11e is coupled to the coupling hole 11d of the first hub 11 to be coupled to the shaft of the motor.

Moreover, the blade 20 is coupled along the circumference of the hub member 10, as shown in FIG. 3, when designed to be able to combine up to eight blades 20, the circumference of the hub member 10 When combining less than eight blades 20, the insertion grooves 11a and 12a formed around the first and second hubs 11 and 12 constituting the hub member 10 are exposed. , The stopper member 14 can be fitted to finish.

The closing member 14 is formed to be in the shape of a groove when viewed from one direction while forming a circular shape basically to protrude when viewed from the opposite side so as to press the insertion groove (11a) (12a).

FIG. 5 is a cross-sectional view taken along the line AA of FIG. 4, although the cross-sectional view is shown based on FIG. 4, the axial fan shown in FIG. 1 may have the same structure, and thus the cross-sectional structure of FIG. 5 may be applied to FIG. 1. .

As shown in FIG. 5, the installation angle of the blade 20 coupled to the circumference of the hub member 10 can be easily changed and assembled, and the coupling groove 21a is formed around the coupling portion 21 of the blade 20. Is formed, and protrusions 11b and 12b protrude and form on the inner surface of the insertion grooves 11a and 12a of the first and second hubs 11 and 12 constituting the hub member 10. When the coupling groove 21a of the blade 20 and the protrusions 11b and 12b of the first and second hubs 11 and 12 are coupled, they are coupled at a desired angle, and then the first and second hubs 11 are formed. What is necessary is just to assemble 12 with the fastening member 10a.

The present invention can easily combine a plurality of blades 20 in the process of assembling two separate first and second hubs 11 and 12, and at the same time adjust the installation angle of the blades 20 to change the air volume or static pressure. Can be changed and assembled.

In addition, as shown in FIG. 1 and FIG. 3, if necessary, the number of installation of the blades 20 may be adjusted.

In addition, the inclination direction of the blade 20 can be installed clockwise or counterclockwise.

In addition, by cutting the length of the wing portion 22 constituting the blade 20 as needed, it is possible to simply change the overall size of the axial flow fan. In other words, it can be used by varying the length of the blade 20 according to the diameter of the hub member (10).

The present invention has been described for the purpose of convenience of the present invention with reference to the accompanying drawings, but not limited thereto, and various modifications and changes are possible within the scope of the technical idea of the present invention, and such variations and modifications are within the scope of the claims. Inclusion is obvious.

The present invention can be used as a fan for a tunnel, a unit cooler of a freezer warehouse, a livestock use for ammonia gas discharge from the livestock house. However, it is not limited to this use and can be used in various other fields.

1: axial flow fan
10: hub member
10a: Fastening member
11: first hub
11a, 12a: Insertion groove
11b, 12b: protrusion
11c, 12c: fitting groove
11d, 12d: Combined hole
11e: boss member
12: second hub
12e: through hole
13: cover
13a: combined piece
14: stopper member
20: blade
21: coupling part
21a: coupling groove
21b: Snapping
22: wing

Claims (4)

A hub member assembled with the first and second hubs, and blades provided in plural along the circumference of the hub member;
Peripherals of the first and second hubs constituting the hub member includes an insertion groove formed so that the blade can be fitted, and a protrusion projecting and formed inside the insertion groove,
The blade is easy to adjust the angle, characterized in that it comprises a coupling portion formed with a plurality of coupling grooves are formed along the circumference so as to be inserted into the insertion groove of the first and second hubs, extending from the coupling portion One axial flow fan.
The method according to claim 1,
Easy to adjust the angle of the axial fan, characterized in that the fitting groove is further formed in the outward direction of the projection.
The method according to claim 2,
Around the engaging portion of the blade, the axial pen easy to adjust the angle, characterized in that the fitting projection is formed to be fitted to the fitting groove is made.
The method according to claim 1,
Easy-to-adjust the axial flow fan, characterized in that the plug member is inserted into the insertion groove formed around the hub member, when the blade is not coupled.
KR1020100050916A 2010-05-31 2010-05-31 Axial fan which is easy to adjustable angle KR20110131466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100050916A KR20110131466A (en) 2010-05-31 2010-05-31 Axial fan which is easy to adjustable angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100050916A KR20110131466A (en) 2010-05-31 2010-05-31 Axial fan which is easy to adjustable angle

Publications (1)

Publication Number Publication Date
KR20110131466A true KR20110131466A (en) 2011-12-07

Family

ID=45499830

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100050916A KR20110131466A (en) 2010-05-31 2010-05-31 Axial fan which is easy to adjustable angle

Country Status (1)

Country Link
KR (1) KR20110131466A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102536887A (en) * 2012-01-09 2012-07-04 张家港施亿百机电设备有限公司 Impeller
KR101616007B1 (en) * 2015-06-11 2016-04-27 (주)삼원밀레니어 Hub assembly for wind power generator
US9651058B1 (en) 2013-07-05 2017-05-16 Litex Industries, Limited T-shaped fan blade arm attachment
KR20180013478A (en) * 2016-07-29 2018-02-07 한국항공우주연구원 Rotating blade
CN108561336A (en) * 2018-03-16 2018-09-21 沈阳创新华夏机械制造有限公司 A kind of fixed structure adjusted with blade radial size and rotational angle
CN111456968A (en) * 2020-03-24 2020-07-28 上海应达风机股份有限公司 Axial-flow fan with adjustable blades
CN112027069A (en) * 2020-08-26 2020-12-04 安徽晟东科技有限公司 Unmanned aerial vehicle rotor and rotor protective frame
KR102208972B1 (en) * 2020-10-20 2021-01-28 주식회사 남일 impeller structure
WO2021230553A1 (en) * 2020-05-11 2021-11-18 엘지전자 주식회사 Cooling tower and chiller system comprising same
CN114183396A (en) * 2021-11-26 2022-03-15 苏州睿昕汽车配件有限公司 Assembled fan and assembling method thereof
KR102506667B1 (en) * 2021-11-18 2023-03-07 주식회사 티에스에어테크 variable impeller for air volume control applied to ventilation fans
US11808282B1 (en) 2022-03-02 2023-11-07 Aaon, Inc. Propeller fan assembly with silencer seeds and concentric hub and method of use

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102536887A (en) * 2012-01-09 2012-07-04 张家港施亿百机电设备有限公司 Impeller
CN102536887B (en) * 2012-01-09 2013-05-08 张家港施亿百机电设备有限公司 Impeller
US9651058B1 (en) 2013-07-05 2017-05-16 Litex Industries, Limited T-shaped fan blade arm attachment
KR101616007B1 (en) * 2015-06-11 2016-04-27 (주)삼원밀레니어 Hub assembly for wind power generator
KR20180013478A (en) * 2016-07-29 2018-02-07 한국항공우주연구원 Rotating blade
CN108561336A (en) * 2018-03-16 2018-09-21 沈阳创新华夏机械制造有限公司 A kind of fixed structure adjusted with blade radial size and rotational angle
CN111456968A (en) * 2020-03-24 2020-07-28 上海应达风机股份有限公司 Axial-flow fan with adjustable blades
WO2021230553A1 (en) * 2020-05-11 2021-11-18 엘지전자 주식회사 Cooling tower and chiller system comprising same
CN112027069A (en) * 2020-08-26 2020-12-04 安徽晟东科技有限公司 Unmanned aerial vehicle rotor and rotor protective frame
KR102208972B1 (en) * 2020-10-20 2021-01-28 주식회사 남일 impeller structure
KR102506667B1 (en) * 2021-11-18 2023-03-07 주식회사 티에스에어테크 variable impeller for air volume control applied to ventilation fans
CN114183396A (en) * 2021-11-26 2022-03-15 苏州睿昕汽车配件有限公司 Assembled fan and assembling method thereof
CN114183396B (en) * 2021-11-26 2024-05-28 苏州睿昕汽车配件有限公司 Assembled fan and assembling method thereof
US11808282B1 (en) 2022-03-02 2023-11-07 Aaon, Inc. Propeller fan assembly with silencer seeds and concentric hub and method of use

Similar Documents

Publication Publication Date Title
KR20110131466A (en) Axial fan which is easy to adjustable angle
EP2508760A2 (en) Counter-rotating axial flow fan
WO2006116139A3 (en) Mixing systems and related mixers
CN105570165A (en) Head rocking mechanism of household appliance and household appliance
WO2016197719A3 (en) Pivot connection piece and wearable device
FR3013530B1 (en) VEHICLE ALTERNATOR
US9168541B2 (en) Shield assembly of low-flow sprinkler
US20120057973A1 (en) Assembly Structure for a Fan Case
US10012233B2 (en) Ventilation system
EP1703136A3 (en) Lateral channel compressor
US20140246894A1 (en) Bicycle hub assembly
CN107191502B (en) Coupling and shaft connection structure
CN108613358A (en) Air guide structure and air conditioner
KR102092079B1 (en) Neck band type fan
KR100772086B1 (en) Air exchanger
KR101146172B1 (en) Ventilating Fan
TW200741106A (en) Centrifugal fan
US20150129789A1 (en) Faucet control module
JP6602458B2 (en) Air conditioner
CN205858744U (en) Fan
CN108981127B (en) Transmission device and air conditioner
CN219236636U (en) Handicraft rotating mechanism
CN203453119U (en) Impeller of axial flow fan
CN209212641U (en) A kind of strong sealing oscillating column pump
US20170037868A1 (en) Connection Assembly For Fan Blades Of A Ceiling Fan

Legal Events

Date Code Title Description
A201 Request for examination
E601 Decision to refuse application