CN207660895U - A kind of axial fan - Google Patents
A kind of axial fan Download PDFInfo
- Publication number
- CN207660895U CN207660895U CN201721915068.8U CN201721915068U CN207660895U CN 207660895 U CN207660895 U CN 207660895U CN 201721915068 U CN201721915068 U CN 201721915068U CN 207660895 U CN207660895 U CN 207660895U
- Authority
- CN
- China
- Prior art keywords
- shaft part
- shaft
- wheel hub
- outer barrel
- inner cylinder
- 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
Links
Abstract
The utility model is related to a kind of axial fans, including：The periphery of blade, wheel hub, shaft, fair water cone, wheel hub is evenly equipped with multiple blades, and there is blade a default established angle, shaft to be connect with wheel hub, and fair water cone is located at wheel hub left end, it is characterised in that：Wheel hub includes outer barrel, inner cylinder, and outer barrel and blade integrated injection molding, shaft are threadedly coupled with inner cylinder.Inner cylinder includes First stage, second step section, and the periphery of inner cylinder is equipped with protrusion, and protrusion is the multiple isosceles trapezoid convex blocks being uniformly distributed along the circumference, and interior cylinder material is metal or alloy；The inner circumferential of outer barrel is equipped with uses injection molding with the matched trapezoidal groove of protrusion, outer barrel with inner cylinder.It can be convenient for installation, dismounting, the maintenance of impeller and axis, the vibratory output for being transmitted to shell and other mounting portions by shaft through bladed disk vibration be reduced, to reduce noise.
Description
Technical field
The present invention relates to ventilation, air-conditioning technical field more particularly to a kind of axis of axial fan/fan and hub/hole
Connection structure.
Background technology
Axial fan/fan is widely used in the fields such as factory, life, scientific research, and existing axial fan, which exists, to shake
It is dynamic big, be not easy to the problem of attaching/detaching.The axial fan of the present invention is reasonable in design, is easily installed/dismantles, and reduces
Vibration improves fan efficiency.
Invention content
The purpose of the present invention is overcoming the deficiencies in the prior art, a kind of axial fan is provided, it is intended to convenient for peace
Dress/dismounting reduces vibration.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of axial fan, including：The periphery of blade, wheel hub, shaft, fair water cone, wheel hub is evenly equipped with multiple blades, leaf
There is piece a default established angle, shaft to be connect with wheel hub, and fair water cone is located at wheel hub left end, it is characterised in that：Wheel hub include outer barrel,
Inner cylinder, outer barrel and blade integrated injection molding, shaft are threadedly coupled with inner cylinder.
Further, inner cylinder includes First stage, second step section, and the periphery of inner cylinder is equipped with protrusion, and protrusion is along circle
Multiple isosceles trapezoid convex blocks of Zhou Junbu, interior cylinder material are metal or alloy；The inner circumferential of outer barrel is equipped with and the matched ladder of protrusion
Connected in star, outer barrel use injection molding with inner cylinder.
Further, shaft include the first shaft part, the second shaft part, third shaft part, the 4th shaft part, concave part, the first shaft part,
Second shaft part, third shaft part, the 4th shaft section diameter become smaller successively.
Further, third shaft part, the 4th shaft part periphery are equipped with external screw thread, and the second shaft part is equipped with third shaft part junction
Concave part；Butterfly spring is equipped between the periphery of concave part, the inner circumferential of second step section, butterfly spring abuts first in the axial direction
Step section and the second shaft part.
Further, further include cushion blocking, cushion blocking includes plain cushion portion, trapezoidal portion, and trapezoidal portion is loop configuration, trapezoidal portion
Section is isosceles trapezoid protrusion, and isosceles trapezoid projects through push type and is inserted into the isosceles trapezoid groove that the right side of outer barrel is equipped with
In.
Further, vibration damping cushion material is flexible rubber, and cushion blocking is installed on the right side of outer barrel.
Further, the internal thread screw-thread fit of the external screw thread of third shaft part and First stage, the second shaft part and second
Step section coordinates.
Further, fair water cone is made of engineering plastics/resin, internal thread is equipped at endoporus, with the 4th shaft part
External screw thread coordinates.
Axial fan/fan of the present invention can be convenient for impeller by the design to wheel hub, shaft, vibration damping mat structure
With the installation, dismounting, maintenance of axis, the vibratory output for being transmitted to shell and other mounting portions by shaft through bladed disk vibration is reduced, from
And reduce noise.
Description of the drawings
Fig. 1 is blower fan structure figure of the present invention；
Fig. 2 is axis of the present invention and hub connection structure diagram；
Fig. 3 is butterfly spring of the present invention and enlarged drawing at concave part cooperation.
In figure：Blade 1, wheel hub 2, shaft 3, fair water cone 4, cushion blocking 5, butterfly spring 6, outer barrel 21, inner cylinder 22, First
Stage 23, second step section 24, protrusion 25, the first shaft part 31, the second shaft part 32, third shaft part 33, the 4th shaft part 34, concave part
35, tilting section 351, straightway 352, segmental arc 353, plain cushion portion 51, trapezoidal portion 52.
Specific implementation mode
The present invention provides a kind of axial fans, and invention is further described in detail below in conjunction with the accompanying drawings.
Referring to attached drawing 1-3：The axial fan includes blade 1, wheel hub 2, shaft 3, fair water cone 4, cushion blocking 5, butterfly bullet
Spring 6, outer barrel 21, inner cylinder 22, First stage 23, second step section 24, protrusion 25, the first shaft part 31, the second shaft part 32, third
Shaft part 33, the 4th shaft part 34, concave part 35, plain cushion portion 51, trapezoidal portion 52.
The periphery of wheel hub 2 is equipped with multiple uniformly distributed blades 1, and the established angle of blade 1 is 17-19 °.Wheel hub 2 include outer barrel 21,
Inner cylinder 22, outer barrel 21 and 1 integrated injection molding of blade, material are high-strength engineering plastic/resin.Shaft 3 connects with inner cylinder 22
It connects.
Inner cylinder 22 includes First stage 23, second step section 24, and the periphery of inner cylinder 22 is equipped with two circle protrusions 25, protrusion 25
For the multiple isosceles trapezoid convex blocks being uniformly distributed along the circumference, two circle protrusions 25 are located at the left and right end of inner cylinder 22, and 22 material of inner cylinder is
Metal or alloy.The inner circumferential of outer barrel 21 be equipped with raised 25 matched trapezoidal grooves, 22 material of inner cylinder is metal or alloy, outside
Cylinder 21 uses injection molding, the left side of outer barrel 21 to be equipped with chamfering with inner cylinder 22.23 inner circumferential of First stage is equipped with internal thread.
Shaft 3 includes the first shaft part 31, the second shaft part 32, third shaft part 33, the 4th shaft part 34, concave part 35, first axle
Section 31, the second shaft part 32, third shaft part 33,34 diameter of the 4th shaft part become smaller successively；Third shaft part 33,34 periphery of the 4th shaft part are set
There are external screw thread, the second shaft part 32 to be equipped with concave part 35 with 33 junction of third shaft part；The periphery of concave part 35, second step section 24
Inner circumferential between be equipped with butterfly spring 6, butterfly spring 6 abuts First stage 23 and the second shaft part 32 in the axial direction.Third axis
The internal thread screw-thread fit of the external screw thread and First stage 23 of section 33.3 material of shaft is metal/alloy, the second shaft part 32 with
Second step section 24 coordinates.Installation, dismounting, the maintenance of impeller and axis are convenient in the design of this structure.
Concave part 35 includes tilting section 351, straightway 352, segmental arc 353 successively, and the internal diameter of butterfly spring 6 is located at groove
In portion 35, play the role of alleviating axial stress impact, the case where shaft shoulder and the step compared to no butterfly spring 6 coordinate, it is bright
It is aobvious to alleviate axial stress impact, to protect screw thread and prevent from transmitting the retardation of torque.
Fair water cone 4 is made of engineering plastics/resin, is in water conservancy diversion taper, internal thread is equipped at endoporus, with the 4th axis
The external screw thread cooperation of section 34.
The right side of outer barrel 21 is equipped with isosceles trapezoid groove；Cushion blocking 5 includes plain cushion portion 51, trapezoidal portion 52, trapezoidal portion 52
For loop configuration, 52 section of trapezoidal portion is isosceles trapezoid protrusion, and isosceles trapezoid projects through push type and is inserted into isosceles trapezoid groove
In, 5 material of cushion blocking is flexible rubber, and cushion blocking 5 is installed on the right side of outer barrel 21, and 5 right end of cushion blocking abuts the first shaft part
31 left side, cushion blocking 5 are located at the periphery of the second shaft part 32.The design of this structure can be reduced through bladed disk vibration by turning
Axis is transmitted to the vibratory output of shell and other mounting portions.
Shaft 3 can be connect by transmission component with variable-frequency motor, and motor is electrically connected with controller, the controllable electricity of controller
Rotating speed, the start by set date/stopping of machine.It is additionally provided with failure detection sensor, can determine that when being less than preset value such as pressure and/or flow
To break down, controller can obtain fault data according to failure detection sensor and send out alarm signal.Shaft 3 or electricity
Owner's axis, impeller are directly installed on electric machine main shaft.
The axial fan of the present invention can be convenient for impeller and axis by the design to wheel hub, shaft, vibration damping mat structure
Installation, is safeguarded dismounting, the vibratory output for being transmitted to shell and other mounting portions by shaft through bladed disk vibration is reduced, to reduce
Noise.
The above embodiment is the description of the invention, is not limitation of the invention, any to simple transformation of the present invention
Structure afterwards all belongs to the scope of protection of the present invention.
Claims (8)
1. a kind of axial fan, including：The periphery of blade, wheel hub, shaft, fair water cone, wheel hub is evenly equipped with multiple blades, blade
With a default established angle, shaft is connect with wheel hub, and fair water cone is located at wheel hub left end, it is characterised in that：Wheel hub includes outer barrel, interior
Cylinder, outer barrel and blade integrated injection molding, shaft are threadedly coupled with inner cylinder.
2. a kind of axial fan as described in claim 1, it is characterised in that：Inner cylinder includes First stage, second step section,
The periphery of inner cylinder is equipped with protrusion, and protrusion is the multiple isosceles trapezoid convex blocks being uniformly distributed along the circumference, and interior cylinder material is metal or alloy；Outside
The inner circumferential of cylinder is equipped with uses injection molding with the matched trapezoidal groove of protrusion, outer barrel with inner cylinder.
3. a kind of axial fan as claimed in claim 2, it is characterised in that：Shaft includes the first shaft part, the second shaft part, third
Shaft part, the 4th shaft part, concave part, the first shaft part, the second shaft part, third shaft part, the 4th shaft section diameter become smaller successively.
4. a kind of axial fan as claimed in claim 3, it is characterised in that：Third shaft part, the 4th shaft part periphery are equipped with outer spiral shell
Line, the second shaft part are equipped with concave part with third shaft part junction；Butterfly is equipped between the periphery of concave part, the inner circumferential of second step section
Shape spring, butterfly spring abut First stage and the second shaft part in the axial direction.
5. a kind of axial fan as described in claim 1, it is characterised in that：Further include cushion blocking, cushion blocking includes plain cushion
Portion, trapezoidal portion, trapezoidal portion are loop configuration, and trapezoidal portion section is isosceles trapezoid protrusion, and isosceles trapezoid projects through push type and inserts
Enter in the isosceles trapezoid groove that the right side of outer barrel is equipped with.
6. a kind of axial fan as claimed in claim 5, it is characterised in that：Vibration damping cushion material is flexible rubber, cushion blocking peace
Right side loaded on outer barrel.
7. a kind of axial fan as claimed in claim 4, it is characterised in that：The external screw thread of third shaft part and First stage
Internal thread screw-thread fit, the second shaft part coordinate with second step section.
8. a kind of axial fan as claimed in claim 4, it is characterised in that：Fair water cone is made of engineering plastics/resin,
It is equipped with internal thread at endoporus, coordinates with the external screw thread of the 4th shaft part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721915068.8U CN207660895U (en) | 2017-12-31 | 2017-12-31 | A kind of axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721915068.8U CN207660895U (en) | 2017-12-31 | 2017-12-31 | A kind of axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207660895U true CN207660895U (en) | 2018-07-27 |
Family
ID=62944673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721915068.8U Expired - Fee Related CN207660895U (en) | 2017-12-31 | 2017-12-31 | A kind of axial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207660895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738692A (en) * | 2021-09-28 | 2021-12-03 | 山东省章丘鼓风机股份有限公司 | Slurry pump ceramic impeller with flexible locking structure |
-
2017
- 2017-12-31 CN CN201721915068.8U patent/CN207660895U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738692A (en) * | 2021-09-28 | 2021-12-03 | 山东省章丘鼓风机股份有限公司 | Slurry pump ceramic impeller with flexible locking structure |
| CN113738692B (en) * | 2021-09-28 | 2023-12-08 | 山东省章丘鼓风机股份有限公司 | Slurry pump ceramic impeller with flexible locking structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 Termination date: 20181231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |