CN201874885U - Multipolar axial flow fan with skewed-swept blades - Google Patents
Multipolar axial flow fan with skewed-swept blades Download PDFInfo
- Publication number
- CN201874885U CN201874885U CN2010206516548U CN201020651654U CN201874885U CN 201874885 U CN201874885 U CN 201874885U CN 2010206516548 U CN2010206516548 U CN 2010206516548U CN 201020651654 U CN201020651654 U CN 201020651654U CN 201874885 U CN201874885 U CN 201874885U
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- wheel hub
- blade
- hub
- flow blower
- flabellum
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Abstract
The utility model is an axial flow fan, in particular to a multipolar axial flow fan with skewed-swept blades. The structure of the axial flow fan is as follows: a wind drum support is fixedly connected on a shell of a motor; a wind drum is fixedly connected on the wind drum support; a hub outer disc is provided with an axle tube; a hub inner disc is sheathed on the axle tube; positioning holes are arranged at the centers of the hub outer disc and the hub inner disc; positioning screws connect the hub outer disc and the hub inner disc into a whole by a big gasket and the positioning holes to form a hub with an inner cavity; the hub is fixed on a rotating shaft of the motor by the axle tube; the periphery of the hub is provided with a plurality of symmetrical circular holes; clamping drums are arranged at the inner ends of the fan blades; the diameter and the length of the clamping drum are matched with the circular holes; the clamping drums are clamped in the circular holes, so that the fan blades are fixed at the periphery of the hub; and a plurality of fastening screws are arranged on the hub which clamps the fan blades without being loosened by tightening the fastening screws. The axial flow fan has the advantages of high efficiency, low noise, great air quantity, energy consumption, high temperature resistance and low production cost, and is easy to maintain and convenient to operate.
Description
Technical field
The utility model is a kind of axial-flow blower, and particularly a kind of efficient height, air quantity is big, noise is little, the resistant to elevated temperatures curved multipole axial-flow blower of blade (GKF) of plunderring.
Background technique
Axial-flow blower is the device that flabellum is housed on a kind of machine shaft because flabellum rotates the air-flow that the back produces, its wind direction and rotating shaft in the same way, so be axial-flow blower.Axial-flow blower comprises gas fan such as electric fan and induced draft fan such as range hood two big classes, and axial-flow blower is used in higher and the occasion that the pressure requirement is lower of traffic requirement usually.Flabellum on the axial-flow blower has important effect for improving throughput, reduction noise etc.More existing axial-flow blowers, because the unreasonable structure of flabellum, efficient is low, energy consumption is high, noise is big so exist, shortcoming such as damage easily under low voltage and hot environment.
Summary of the invention
The purpose of this utility model is in order to overcome the existing big defective of axial-flow blower efficient low energy consumption high noisy, to invent a kind of curved multipole axial-flow blower of blade of plunderring.
The purpose of this utility model realizes as follows: described bending plunderred the multipole axial-flow blower of blade, comprises that motor, air duct, flabellum, air duct support, wheel hub coil and the wheel hub inner disc outward; The air duct support is fixed on the housing of motor, and air duct is fixed on the air duct support; The outer dish of wheel hub is provided with central siphon, the wheel hub inner disc is socketed on the central siphon, the central authorities of outer dish of wheel hub and wheel hub inner disc are provided with positioning hole, positioning screwn coils wheel hub outward by big pad and positioning hole and the wheel hub inner disc is connected in one constitutes the wheel hub with inner chamber, and wheel hub is fixed in the rotating shaft of motor by central siphon; Have a plurality of circular holes of symmetry around the wheel hub, the inner of flabellum is provided with the clamping tube, the diameter of clamping tube and length and circular hole are complementary, the clamping tube is sandwiched in the circular hole, make flabellum be fixed on the periphery of wheel hub, wheel hub is provided with a plurality of fastening screw trip bolts, and wheel hub clamps flabellum not loosening by tightening fastening screw trip bolt.
Described flabellum is the curved blade of plunderring of aviation.
On the limit of circular hole, be provided with angle mark around the described wheel hub.
The gap that 0.5mm is arranged between outer dish of described wheel hub and the wheel hub inner disc.
Circular hole around the described wheel hub is four.
Described fastening screw trip bolt is 12.
The end of described clamping tube is provided with collar, and when the clamping tube was sandwiched in the circular hole, collar then was stuck in the inner chamber.
Described motor is the multipolar dynamo that adopts multipole winding coil.
Described flabellum adopts the aluminum alloy manufacturing.
Good effect of the present utility model is as follows: the utility model is plunderred blade technology and is applied in the design of axial fan system aviation is curved, can improve fan efficiency, reduces noise, increase air quantity; Multipolar dynamo can be realized the multiple output power of blower fan by the number of poles of conversion motor, makes maximizing efficiency; The utility model is simple to operate, and is energy-conservation high temperature resistant, easy-maintaining, and cost of production is low, can be in the medium-term and long-term operation of single-phase high low voltage.
Description of drawings
Fig. 1 is the utility model appearance assumption diagram
Fig. 2 is the wheel hub assembling assumption diagram
Fig. 3 is blade structure figure
Fig. 4 is hub side TV structure figure
Among the figure: 1 motor, 2 air ducts, 3 flabellums
The outer dish of 4 air duct supports, 5 wheel hubs 6 wheel hub inner discs
7 central siphons, 8 positioning holes, 9 positioning screwns
12 rotating shafts of 10 big pad 11 inner chambers
13 circular holes, 14 clamping tube v, 15 fastening screw trip bolts
16 angle marks, 17 collars
Embodiment
Shown in Figure 3 as Fig. 1 Fig. 2, describedly curved plunder the multipole axial-flow blower of blade, comprise that motor 1, air duct 2, flabellum 3, air duct support 4, wheel hub coil 5 and wheel hub inner disc 6 outward; Air duct support 4 is fixed on the housing of motor 1, and air duct 2 is fixed on the air duct support 4; The outer dish 5 of wheel hub is provided with central siphon 7, wheel hub inner disc 6 is socketed on the central siphon 7, the central authorities of outer dish 5 of wheel hub and wheel hub inner disc 6 are provided with positioning hole 8, positioning screwn 9 is connected in one the outer dish 5 of wheel hub and wheel hub inner disc 6 by big pad 10 and positioning hole 8 and constitutes the wheel hub with inner chamber 11, and wheel hub is fixed in the rotating shaft 12 of motor 1 by central siphon 7; Have a plurality of circular holes 13 of symmetry around the wheel hub, the inner of flabellum 3 is provided with clamping tube 14, the diameter of clamping tube 14 and length and circular hole 13 are complementary, clamping tube 14 is sandwiched in the circular hole 13, make flabellum 3 be fixed on the periphery of wheel hub, wheel hub is provided with a plurality of fastening screw trip bolts 15, and wheel hub clamps flabellum 3 not loosening by tightening fastening screw trip bolt 15.
Described flabellum 3 is plunderred blade for aviation is curved.Aviation is curved plunders the technological achievement that blade is an aviation field, and it is used for properller, plays an important role to improving airplane ascensional force, plunders blade and is used for axial-flow blower aviation is curved, can improve fan efficiency, reduces noise, increase air quantity.
As shown in Figure 4, on the limit of circular hole 13, be provided with angle mark 16 around the described wheel hub.Because flabellum 3 is to be sandwiched in the circular hole 13 of wheel hub periphery by clamping tube 14, so flabellum 3 has the revolution space of 360 degree, when unclamping fastening screw trip bolt 15, rotatable flabellum 3, make the number of degrees of determining on its alignment angle mark 16, tighten fastening screw trip bolt 15 again, make flabellum 3 keep the optimum deflection angle.
The gap that 0.5mm is arranged between outer dish 5 of described wheel hub and the wheel hub inner disc 6.This gap can guarantee that outer dish 5 of wheel hub and wheel hub inner disc better clamp flabellum 3.
Described fastening screw trip bolt 15 is 12.
The end of described clamping tube 14 is provided with collar 17, and when clamping tube 14 was sandwiched in the circular hole 13,17 of collars were stuck in 11 li of inner chambers.
Described motor 1 is the multipolar dynamo that adopts multipole winding coil.
Described flabellum 3 adopts the aluminum alloy manufacturing.
Flabellum of the present utility model adopts the curved blade of plunderring of aviation, make of aluminum alloy material, flabellum exchangeable angle, reasonable apolegamy by interior flow field simulation technology and wind wheel runner, fundamentally solve the problem that influences aerodynamic noise that exists in the existing structure, reduce noise to reach, increase air quantity and improve the purpose of performance; Compare with traditional axial-flow blower, this fan delivery is big, blast is low, efficient is high, and energy-efficient performance is good, and this fan delivery can be brought up to 10～20%m3/h, and efficient improves can reach 10%～15%, and 0.15KW/h per hour economizes on electricity; Motor adopts the electromagnetic scheme of multipole conversion to carry out speed change, substitute the pattern that original single-phase blower fan relies on the operation of frequency variator, by the conversion of throw over switch, blower fan can be with the rotation speed change operation of four utmost points, sextupole, the ends of the earth, realize the multiple output power of blower fan, make maximizing efficiency; This axial-flow blower cost of production is low, operating method simple, easy-maintaining, economic convenient; This axial-flow blower can start speed governing and long-time running in the scope of single-phase wide voltage (150V-290V), can satisfy rural subscribers at the speed change request that does not have under the three-phase electricity situation, can spend long-time running under high temperature+140 degree at low temperature-40.
Claims (9)
1. curved multipole axial-flow blower of blade of plunderring, comprise motor, air duct, flabellum and air duct support, the air duct support is fixed on the housing of motor, air duct is fixed on the air duct support, it is characterized in that: also comprise outer dish of wheel hub and wheel hub inner disc, the outer dish of wheel hub is provided with central siphon, the wheel hub inner disc is socketed on the central siphon, the central authorities of outer dish of wheel hub and wheel hub inner disc are provided with positioning hole, positioning screwn coils wheel hub outward by big pad and positioning hole and the wheel hub inner disc is connected in one constitutes the wheel hub with inner chamber, and wheel hub is fixed in the rotating shaft of motor by central siphon; Have a plurality of circular holes of symmetry around the wheel hub, the inner of flabellum is provided with the clamping tube, the diameter of clamping tube and length and circular hole are complementary, the clamping tube is sandwiched in the circular hole, make flabellum be fixed on the periphery of wheel hub, wheel hub is provided with a plurality of fastening screw trip bolts, and wheel hub clamps flabellum not loosening by tightening fastening screw trip bolt.
2. according to claim 1 bending plunderred the multipole axial-flow blower of blade, it is characterized in that: described flabellum is the curved blade of plunderring of aviation.
3. according to claim 1 bending plunderred the multipole axial-flow blower of blade, it is characterized in that: on the limit of circular hole, be provided with angle mark around the described wheel hub.
4. according to claim 1 bending plunderred the multipole axial-flow blower of blade, it is characterized in that: the gap that 0.5mm is arranged between outer dish of described wheel hub and the wheel hub inner disc.
5. according to claim 1 bending plunderred the multipole axial-flow blower of blade, it is characterized in that: the circular hole around the described wheel hub is four.
6. according to claim 1 bending plunderred the multipole axial-flow blower of blade, and it is characterized in that: described fastening screw trip bolt is 12.
7. according to claim 1 bending plunderred the multipole axial-flow blower of blade, and it is characterized in that: the end of described clamping tube is provided with collar, and when the clamping tube was sandwiched in the circular hole, collar then was stuck in the inner chamber.
8. according to claim 1 bending plunderred the multipole axial-flow blower of blade, it is characterized in that: described motor is the multipolar dynamo that adopts multipole winding coil.
9. according to claim 1 bending plunderred the multipole axial-flow blower of blade, it is characterized in that: described flabellum adopts the aluminum alloy manufacturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206516548U CN201874885U (en) | 2010-12-09 | 2010-12-09 | Multipolar axial flow fan with skewed-swept blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206516548U CN201874885U (en) | 2010-12-09 | 2010-12-09 | Multipolar axial flow fan with skewed-swept blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201874885U true CN201874885U (en) | 2011-06-22 |
Family
ID=44162803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206516548U Expired - Lifetime CN201874885U (en) | 2010-12-09 | 2010-12-09 | Multipolar axial flow fan with skewed-swept blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201874885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791301A (en) * | 2015-04-02 | 2015-07-22 | 佛山市南海九洲普惠风机有限公司 | Swept-curved aluminum alloy axial flow blade |
| CN109964042A (en) * | 2016-09-02 | 2019-07-02 | Usha国际有限公司 | Ceiling fan |
-
2010
- 2010-12-09 CN CN2010206516548U patent/CN201874885U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791301A (en) * | 2015-04-02 | 2015-07-22 | 佛山市南海九洲普惠风机有限公司 | Swept-curved aluminum alloy axial flow blade |
| CN104791301B (en) * | 2015-04-02 | 2017-12-15 | 佛山市南海九洲普惠风机有限公司 | One kind is curved to plunder aluminium alloy axial blade |
| CN109964042A (en) * | 2016-09-02 | 2019-07-02 | Usha国际有限公司 | Ceiling fan |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |