CN203548267U - Outer rotor axial flow fan - Google Patents
Outer rotor axial flow fan Download PDFInfo
- Publication number
- CN203548267U CN203548267U CN201320670962.9U CN201320670962U CN203548267U CN 203548267 U CN203548267 U CN 203548267U CN 201320670962 U CN201320670962 U CN 201320670962U CN 203548267 U CN203548267 U CN 203548267U
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- motor
- panel
- flow fan
- rotor axial
- bone
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Abstract
The utility model provides an outer rotor axial flow fan, and belongs to the technical field of air fan equipment. The outer rotor axial flow fan solves the problems that the connection position between a fixing plate and a motor of an existing outer rotor axial flow fan is prone to damage, and noise is high. The outer rotor axial flow fan comprises a square panel, a circular hole is formed in the panel, a motor is fixedly arranged inside the circular hole, a rotor of the motor is fixedly connected with a plurality of blades, the panel is fixedly connected with a circular support shielding the circular hole, the motor is fixed on the circular support, the edge of the circular hole extends in the axial direction to form a check ring through which an axial air flue is formed, the panel and the check ring are of an integrated structure, and the blades are located in the check ring. The outer rotor axial flow fan is simple in structure, large in air volume, low in noise and long in service life.
Description
Technical field
The utility model belongs to Fan Equipment technical field, relates to a kind of external rotor axial-flow fan.
Background technique
Axial-flow blower is exactly to be the blower fan that axial flow mode is moved with the equidirectional air-flow of axle of fan blade, as electric fan, air-conditioning outer machine fan; Axial flow is that axial fan is used in traffic requirement conventionally compared with occasion high and that pressure requirement is lower because gas is parallel to fan shaft to flow.Plain edition axial-flow blower can be used for the ventilation in the places such as general factory, warehouse, office, house, also can be for the forced ventilation of air cooler, vaporizer etc.
The working principle of axial-flow blower: when vane rotary, gas axially enters impeller from intake grill, is subject to pushing of impeller upper blade and the energy of gas is raise, and then flows into stator.Stator becomes axial flow by deflection air-flow, gas is imported to diffuser pipe simultaneously, further gas kinetic energy is converted to pressure energy, finally introduces working line.
Axial-flow blower on existing market, as China Patent No. is: a kind of axial-flow blower as described in " 201320089799.7 ", this axial-flow blower comprises motor, fan blade, fixed tray, this motor is arranged on fixed tray, fan blade is also installed on fixed tray, this motor, fixed tray, fan blade fixedly mount in the enclosure, on the outer surface of shell, are connected with electric wire box; The shape of this shell is tubular structure substantially.In above-mentioned structure, this motor is fixed on fixed tray, and this fixed tray is that mechanical strength is comparatively even, and motor is when running up, and the joint of this fixed tray and motor is easily damaged, and working life is shorter; Also have stressed more even due to fixed tray, motor is when running up, and the joint noise of this fixed tray and motor is larger.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, proposed a kind of simple in structure, the external rotor axial-flow fan that noise is less.
The purpose of this utility model can realize by following technical proposal: a kind of external rotor axial-flow fan, comprise the panel being square, on panel, offer circular port, in circular port, be installed with motor, on described rotor, be fixed with several blades, it is characterized in that, on described panel, be fixed with the circular support blocking in above-mentioned circular port, above-mentioned motor is fixed on circular support, the edge of described circular port extends axially the back-up ring that forms axial ducts and be structure as a whole with panel, and above-mentioned blade is arranged in described back-up ring.
The utility model is mainly on panel, to be fixed with the circular support blocking in above-mentioned circular port, motor is fixed on circular support, motor is connected on circular support, structure is comparatively stable, the edge of circular port extends axially the back-up ring that forms axial ducts and be structure as a whole with panel, blade is arranged in back-up ring, and air output is larger, and air-supply steadily.
In above-mentioned a kind of external rotor axial-flow fan, the outer ring mouth of described back-up ring is an enlarging.The object arranging is like this to increase, and the entry of air quantity, is conducive to increase air output.
In above-mentioned a kind of external rotor axial-flow fan, described circular support comprises four bone poles that radially arrange, two adjacent bone poles are mutually vertical, between two adjacent bone poles, be radially provided with secondary pole, on bone pole, secondary pole, concentric is fixed with several rings, above-mentioned motor is connected in the intersection of bone pole the inner, is also fixed with the terminal box of controlling for motor circuit on bone pole.When actual design, the mechanical strength that the mechanical strength of this bone pole is greater than secondary pole is greater than the mechanical strength of ring, and intersection's linkage structure that motor is fixed on bone pole the inner is stable, even if motor can not make circular support damage under running at a high speed yet.
In above-mentioned a kind of external rotor axial-flow fan, between described motor and bone pole, be provided with yielding rubber pad, described yielding rubber pad is connected in the end, rear end of motor.The object that increases yielding rubber pad is that motor reduces the noise sending with circular support touching when High Rotation Speed.
In above-mentioned a kind of external rotor axial-flow fan, on panel, offer four attachment holes corresponding with end, above-mentioned bone pole outer end, the outer end end convolution that this circular support passes every bone pole by bolt is connected in circular support on above-mentioned panel in above-mentioned attachment hole.
In above-mentioned a kind of external rotor axial-flow fan, the edge of described panel offers respectively the mounting hole for connecting.
In above-mentioned a kind of external rotor axial-flow fan, the edge of described panel has flange, and the direction of described flange is identical with the direction of back-up ring.
Compared with prior art, in this external rotor axial-flow fan, on panel, be fixed with the circular support blocking in circular port, motor is fixed on circular support, circular support comprises four bone poles that radially arrange, two adjacent bone poles are mutually vertical, between two adjacent bone poles, be radially provided with secondary pole, bone pole, the upper concentric of secondary pole is fixed with several rings, motor is connected in the intersection of bone pole the inner, linkage structure is stable, even if motor can not make circular support damage under running at a high speed yet, between motor and bone pole, be provided with yielding rubber pad, noise is less, the utility model is simple in structure, air output is large, noise is less, working life is longer.
Accompanying drawing explanation
Fig. 1 is the perspective view of this external rotor axial-flow fan.
In figure, 1, panel; 2, motor; 3, blade; 4, back-up ring; 5, bone pole; 6, secondary pole; 7, ring; 8, terminal box; 9, yielding rubber pad; 10, bolt; 11, mounting hole; 12, flange.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this external rotor axial-flow fan is mainly comprised of the panel 1 being square, on panel 1, offer circular port, in circular port, be installed with motor 2, on motor 2 rotors, be fixed with several blades 3, on panel 1, be fixed with the circular support blocking in above-mentioned circular port, motor 2 is fixed on circular support, the edge of circular port extends axially the back-up ring 4 that forms axial ducts and be structure as a whole with panel 1, blade 3 is arranged in described back-up ring 4, when Practical manufacturing, the outer ring mouth of this back-up ring 4 is an enlarging, the object arranging is like this to increase, the entry of air quantity, be conducive to increase air output.For the installation needs of panel 1, the edge of panel 1 offers respectively the mounting hole 11 for connecting, and the edge of panel 1 has flange 12, and the direction of flange 12 is identical with the direction of back-up ring 4.
When actual design, this circular support is mainly comprised of four bone poles 5 that radially arrange, adjacent two bone poles 5 are mutually vertical, between two adjacent bone poles 5, be radially provided with secondary pole 6, on bone pole 5, secondary pole 6, concentric is fixed with several rings 7, when actual design, the mechanical strength that the mechanical strength of this bone pole 5 is greater than secondary pole 6 is greater than the mechanical strength of ring 7, motor 2 is connected in the intersection of bone pole 5 the inners, and intersection's linkage structure that motor 2 is fixed on bone pole 5 the inners is stable; For motor 2 reduces the noise sending with circular support touching when the High Rotation Speed, between motor 2 and bone pole 5, be provided with yielding rubber pad 9, yielding rubber pad 9 is connected in the end, rear end of motor 2.On bone pole 5, be also fixed with the terminal box 8 of controlling for motor 2 circuits.This circular support with the concrete linkage structure of panel 1 is: on panel 1, offer four attachment holes corresponding with bone pole 5 ends, outer end, by bolt 10, the outer end end convolution through every bone pole 5 is connected in circular support on above-mentioned panel 1 this circular support in above-mentioned attachment hole.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used herein: panel 1; Motor 2; Blade 3; Back-up ring 4; Bone pole 5; Secondary pole 6; Ring 7; Terminal box 8; Yielding rubber pad 9; Bolt 10; Mounting hole 11; Flange 12 terms such as grade, but do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (7)
1. an external rotor axial-flow fan, comprise the panel (1) being square, on panel (1), offer circular port, in circular port, be installed with motor (2), on described motor (2) rotor, be fixed with several blades (3), it is characterized in that, described panel is fixed with the circular support blocking in above-mentioned circular port on (1), above-mentioned motor (2) is fixed on circular support, the edge of described circular port extends axially the back-up ring (4) that forms axial ducts and be structure as a whole with panel (1), above-mentioned blade (3) is arranged in described back-up ring (4).
2. a kind of external rotor axial-flow fan according to claim 1, is characterized in that, the outer ring mouth of described back-up ring (4) is an enlarging.
3. a kind of external rotor axial-flow fan according to claim 1, it is characterized in that, described circular support comprises four bone poles (5) that radially arrange, adjacent two bone poles (5) are mutually vertical, between adjacent two bone poles (5), be radially provided with secondary pole (6), at bone pole (5), the upper concentric of secondary pole (6), be fixed with several rings (7), above-mentioned motor (2) is connected in the intersection that bone pole (5) is inner, is also fixed with the terminal box (8) of controlling for motor (2) circuit on bone pole (5).
4. a kind of external rotor axial-flow fan according to claim 3, is characterized in that, between described motor (2) and bone pole (5), is provided with yielding rubber pad (9), and described yielding rubber pad (9) is connected in the end, rear end of motor (2).
5. a kind of external rotor axial-flow fan according to claim 4, it is characterized in that, on panel (1), offer four attachment holes corresponding with above-mentioned bone pole (5) end, outer end, by bolt (10), the outer end end convolution through every bone pole (5) is connected in circular support on above-mentioned panel (1) this circular support in above-mentioned attachment hole.
6. a kind of external rotor axial-flow fan according to claim 5, is characterized in that, the edge of described panel (1) offers respectively the mounting hole (11) for connecting.
7. a kind of external rotor axial-flow fan according to claim 6, is characterized in that, the edge of described panel (1) has flange (12), and the direction of described flange (12) is identical with the direction of back-up ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670962.9U CN203548267U (en) | 2013-10-29 | 2013-10-29 | Outer rotor axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670962.9U CN203548267U (en) | 2013-10-29 | 2013-10-29 | Outer rotor axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548267U true CN203548267U (en) | 2014-04-16 |
Family
ID=50466391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320670962.9U Expired - Fee Related CN203548267U (en) | 2013-10-29 | 2013-10-29 | Outer rotor axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203548267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604967A (en) * | 2016-01-19 | 2016-05-25 | 湖州迈隆机械有限公司 | Draught fan for heat dissipation |
-
2013
- 2013-10-29 CN CN201320670962.9U patent/CN203548267U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604967A (en) * | 2016-01-19 | 2016-05-25 | 湖州迈隆机械有限公司 | Draught fan for heat dissipation |
| CN105604967B (en) * | 2016-01-19 | 2019-02-12 | 佛山市朗然通风设备有限公司 | A kind of heat transmission blower |
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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: 20140416 Termination date: 20211029 |