CN205677883U - A kind of axial fan - Google Patents
A kind of axial fan Download PDFInfo
- Publication number
- CN205677883U CN205677883U CN201620473654.0U CN201620473654U CN205677883U CN 205677883 U CN205677883 U CN 205677883U CN 201620473654 U CN201620473654 U CN 201620473654U CN 205677883 U CN205677883 U CN 205677883U
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- CN
- China
- Prior art keywords
- blower fan
- urceolus
- inner core
- fan
- water conservancy
- 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.)
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Abstract
The utility model discloses a kind of axial fan, including between the blower fan inner core that is coaxially disposed of blower fan urceolus and blower fan urceolus and connecting fan urceolus and blower fan inner core and circumferentially disposed some water conservancy diversion fan blades, bolt a is each passed through blower fan inner core, blower fan urceolus is connected by nut thread with water conservancy diversion fan blade.The utility model has the following advantages and effect: this programme utilizes new frame for movement, between water conservancy diversion fan blade with blower fan urceolus and blower fan inner core all by way of bolts and nuts are joined and are connected, and the workload that reduces a staff, extend the service life of blower fan.
Description
Technical field
The utility model relates to a kind of field of ventilation equipment, particularly to a kind of axial fan.
Background technology
Axial fan, purposes is widely, it is simply that equidirectional air-flow, such as electric fan, outdoor machine of air-conditioner with the axle of fan blade
Fan is exactly that axial flow mode runs blower fan.It why is referred to as " axial-flow type ", be because that gas is parallel to fan shaft flowing.Axial-flow type
Blower fan is generally used for the occasion that traffic requirement is higher and pressure requirements is relatively low.Axial fan fixed position simultaneously makes air move.
Axial flow blower is mainly made up of draught fan impeller and casing, but simple in construction data demand is very high.
Notification number is that the Chinese patent of CN2324323 discloses a kind of meridian accelerating fire-fighting smoke ejecting fan, and it includes three-phase
Alternating current generator electric machine support is fixed in blower fan inner core, and blower fan urceolus is welded and fixed with tunable wind-guiding blade and inner core, side
Blast pipe and side discharge pipe are welded and fixed with blower fan urceolus and blower fan inner core, and draught fan impeller uses meridian impeller, meridian impeller
Air inlet and air outlet cross section than F1/F2=1.1 1.4, impeller hub semi-cone angle=10 20 °, impeller welding on wheel hub,
Wheel hub is fixed on motor shaft.The tunable wind-guiding blade of this blower fan is arranged between blower fan inner core and blower fan urceolus, and by weldering
What the mode connecing realized between tunable wind-guiding blade with blower fan inner core and blower fan urceolus fixing is connected.
This patent is disadvantageous in that: owing to blower fan urceolus and blower fan inner core are the tubular article of closing, and adjustable leads
Air blade installation in circumference to be realized on blower fan；Staff is when realizing the welding to tunable wind-guiding blade, due to wind
Machine inner core and blower fan urceolus, for the stop of both sides, welding position, cause the hand of staff when putting in welding position, difficult
There to be the space freely stretched, add the workload of welding, improve artificial use cost；When the urceolus of blower fan is being subject to
During outside active force, owing to the structural strength of junction is often most fragile, just easily lead to tunable wind-guiding blade
There is fracture in junction, affects the service life of blower fan.
Utility model content
The purpose of this utility model is to provide one and all passes through spiral shell between water conservancy diversion fan blade and blower fan urceolus and blower fan inner core
Bolt joins the mode being connected, the workload reducing a staff with nut, extends the service life of blower fan.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of axial fan,
Including between the blower fan inner core that is coaxially disposed of blower fan urceolus and blower fan urceolus and connecting fan urceolus and blower fan inner core and circumference
The some water conservancy diversion fan blades arranging, bolt a is each passed through blower fan inner core, blower fan urceolus is connected by nut thread with water conservancy diversion fan blade.
By using technique scheme, when water conservancy diversion fan blade is installed, passed through blower fan urceolus by bolt a and lead
Stream fan blade, can be achieved with pre-fixing between water conservancy diversion fan blade and blower fan urceolus；By way of bolt a is connected with nut thread,
Staff realizes fixing blower fan urceolus inner screw nut, by rotating the bolt a being positioned at the outer drum outer wall of blower fan, can be achieved with
Fixing between water conservancy diversion fan blade and blower fan urceolus；Make to be stopped by blower housing when activity for the hand of personnel, make peace
Fill convenient, decrease workload during installation；Realized to the company between blower fan inner core and guide vane by same way
Connect；The fixed form that bolt a connects, goes to bear blower fan urceolus by the structural strength of bolt a material itself and is transmitted to water conservancy diversion wind
Active force on leaf, makes water conservancy diversion fan blade can bear more active force, extends the service life of blower fan.
The utility model is further arranged to: described water conservancy diversion fan blade near the both sides of blower fan inner core and blower fan urceolus all towards
Blower fan inner core circumferentially extending has and prolongs limit, and described bolt a passes through Yan Bian and is connected with nut thread.
By using technique scheme, that prolongs limit arranges the contact area increasing nut conflict water conservancy diversion fan blade, makes bolt a
And between nut, clamping force preferably acts on water conservancy diversion fan blade, it is achieved preferably fix water conservancy diversion fan blade；And by prolonging limit
The contact surface increasing between water conservancy diversion fan blade and blower fan urceolus and blower fan inner core, the conduction surface of increasing action power are set, reach
Homodisperse stress conduction, makes water conservancy diversion fan blade by higher fixing force, can extend the service life of blower fan.
The utility model is further arranged to: described prolonging is arranged with elastic washer between limit and nut.
By using technique scheme, blower fan is during running, due to the windage being formed between fan blade and air
The vibration producing in rotation process with motor, can cause blower fan integrally to produce bigger vibration；And by be arranged on nut with
Prolong the active force that elastic washer between limit produces, make nut and prolonging realize between limit preferably fixing, prevent nut in vibration
In get loose；And elastic washer owing to material itself exists certain elastic telescopic space, certain damping and buffering can be played
Effect.
The utility model is further arranged to: described prolonging is arranged with plain washer between limit and nut.
By using technique scheme, the contact area arranging between increase nut and extension of plain washer, make nut
The clamping force producing can be carried out the evenly transmission of power by the contact surface between plain washer and extension, reduces water conservancy diversion fan blade
On there is the concentration packing phenomenon of power, extend the service life of water conservancy diversion fan blade.
The utility model is further arranged to: the described limit outer surface that prolongs all is outward extended with extension, described blower fan inner core
Be equipped with on blower fan urceolus for extension be embedded and limit its circumference movement draw-in groove.
By using technique scheme, the mode being embedded the elongated end on water conservancy diversion fan blade on draw-in groove, it is achieved water conservancy diversion
Pre-fixing between fan blade and blower fan urceolus and blower fan inner core, makes bolt a not need work through blower fan urceolus with when prolonging limit
Personnel apply fixing active force with hand to water conservancy diversion fan blade, make bolt a more easily pass through blower fan urceolus and prolong limit, make blower fan
Installation become more convenient, the workload reducing a staff.
The utility model is further arranged to: the bottom of described draw-in groove be positioned at the side of draw-in groove respectively with blower fan inner core and wind
The outer surface of machine urceolus is connected by inclined plane transition.
By using technique scheme, the extension on water conservancy diversion fan blade, when being embedded in draw-in groove, needs to water conservancy diversion wind
Foliar spray adds bigger deforming force, adds difficulty and workload during installation of installation；Connected by the transition of inclined plane,
Reduce because the bigger stop area of difference in height formation, reduce the degree that water conservancy diversion fan blade deforms upon, make extension be easier to card
Enter groove, facilitate the installation to water conservancy diversion fan blade.
The utility model is further arranged to: include impeller, and described water conservancy diversion fan blade is provided with leaf near one end of impeller
The segmental arc of wheel rotation direction bending.
By using technique scheme, air is want by water conservancy diversion fan blade away from one end of segmental arc, through segmental arc
Arc transition change the flow direction of air-flow；The active force making air-flow produce will not directly act on impeller, reduces
Air acts directly on the noise and vibration producing on impeller；Air-flow is made first to realize the pre-of air-flow towards the rotation direction of impeller
Rotate, reach the effect of transition, extend the service life of impeller.
The utility model is further arranged to: include motor, and described blower fan inner core level is provided with placement plate, described placement plate
Being provided with the groove that power supply machine is embedded, described blower fan is connected by bolt b between plate with placing.
By using technique scheme, place arranging of plate upper groove and realize that the motor to being placed on placement plate plays
Pre-fixing effect, making the installation of motor become convenient, reduce a staff workload when installing；Connected by bolt b
Mode, parts in addition to motor for the blower fan can be made can to play circulation the effect occurring damaged motor play replacing
The effect utilizing.
The utility model is further arranged to: described placement plate relative between the another side of groove and blower fan inner core along footpath
To being connected with reinforcing plate.
By using technique scheme, the Heavy Weight of motor itself, add that the vibration force that motor produces is easy to the company of making
Meet place and fatigue occurs, make junction be easy to rupture；By the conduction orientation arranging increase power and the conducting surface of reinforcing plate
Long-pending, make power reach the effect of dispersion and uniform conductive, increase structural strength and the service life of blower fan.
The utility model is further arranged to: the two ends of described blower fan urceolus are all peripherally and outwardly extended with flange, described turns over
It is connected with some reinforcements circumferentially disposed at blower fan urceolus axle center, the side connecting fan of described reinforcement between limit
Outer drum outer wall.
By using technique scheme, the structural strength that increase blower fan urceolus is set of reinforcement, make to act on blower fan
When active force blower fan to be made urceolus on urceolus deforms upon, make active force be transmitted on reinforcement, play the effect of tension；Subtract
The deformation degree of few blower fan urceolus, plays protection and the effect increasing the service life.
In sum, the utility model has the advantages that by realizing between extension and draw-in groove to water conservancy diversion wind
Pre-fixing between leaf and blower fan urceolus, bolt a passes through blower fan urceolus and prolongs limit, it is achieved fix blower fan inner core side,
Blower fan urceolus realizes that rotating bolt a can be achieved with fixing between blower fan urceolus and water conservancy diversion fan blade, goes to hold by the material of bolt a
The conduction of stress, the use extending blower fan is awaited your instructions.
Brief description
Fig. 1 is the front view of smoke exhaust fan；
Fig. 2 is the rearview of smoke exhaust fan；
Fig. 3 is the stereogram of water conservancy diversion fan blade in smoke exhaust fan.
In figure: the 1st, blower fan urceolus；2nd, blower fan inner core；3rd, water conservancy diversion fan blade；4th, bolt a；5th, nut；6th, limit is prolonged；7th, cushion
Circle；8th, plain washer；9th, extension；10th, draw-in groove；11st, inclined plane；12nd, impeller；13rd, segmental arc；14th, motor；15th, plate is placed；
16th, groove；17th, bolt b；18th, reinforcing plate；19th, flange；20th, reinforcement.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
With reference to Fig. 2, a kind of axial fan, including blower fan inner core 2, axially in parallel along blower fan inner core 2 is provided with placement plate
15；Place and be provided with, towards the axle center one side of blower fan inner core 2, the groove 16 that power supply machine 14 is embedded on plate 15, motor 14 and groove 16 it
Between connected by bolt b17；Place plate 15 and be radially provided with reinforcing plate 18 away from the one side of blower fan along blower fan inner core 2；Motor 14
Rotating shaft be provided with impeller 12.
Referring to figs. 2 and 3 the outer coaxial sleeve of blower fan inner core 2 is provided with blower fan urceolus 1, and the two ends of blower fan urceolus 1 outwards circumference is prolonged
Stretching has flange 19, is connected with around the reinforcement 20 circumferentially distributed with blower fan urceolus 1 axle center between flange 19；Blower fan urceolus 1 with
Having water conservancy diversion fan blade 3 around circumferentially distributed with the axle center of blower fan inner core 2 between blower fan inner core 2, water conservancy diversion fan blade 3 is near blower fan inner core 2
With the both sides of blower fan urceolus 1 all around at axle center circumferentially extending have prolong limit 6, bolt a4 pass through blower fan urceolus the 1st, blower fan inner core 2 with
Prolong limit 6 threaded by nut 5；Nut 5 and prolonging is arranged with plain washer 8 and elastic washer 7 between limit 6, water conservancy diversion fan blade 3 is close
It is provided with the segmental arc 13 of the rotation direction bending of impeller 12 on one end of impeller 12；Prolong on limit 6 towards blower fan urceolus 1 and wind
Machine inner core 2 is extended with extension 9, and blower fan urceolus 1 and blower fan inner core 2 are equipped with the draw-in groove 10 being embedded for elongated end 9, draw-in groove
The side of 10 is connected by inclined plane 11 transition with the outer surface of blower fan urceolus 1 and blower fan inner core 2.
With reference to Fig. 1, Fig. 2 and Fig. 3, the position that extension on water conservancy diversion fan blade 39 is connected with inclined plane 11 transition by draw-in groove 10
Put the active force applying deformation, make extension 9 be embedded in draw-in groove 10, it is achieved water conservancy diversion fan blade 3 and blower fan urceolus 1 and blower fan inner core
Pre-fixing between 2；Bolt a4 passes through blower fan urceolus 1 and prolongs limit 6 and prolonging sheathed plain washer 8 and elastic washer 7 on limit 6, will
Nut 5 is set on bolt a4；The fixing nut being positioned at blower fan inner core 2, rotates the bolt a4 on blower fan urceolus 1, it is achieved wind
Fixing between machine urceolus 1 with water conservancy diversion fan blade 3 is connected；By way of same, fix the nut 5 on blower fan inner core 2 outer wall, turn
Bolt a4 on dynamic blower fan inner core 2 inwall, it is achieved fixing between water conservancy diversion fan blade 3 and blower fan inner core 2；Motor 14 is embedded and is putting
Put in the groove 16 on plate 15, realize pre-fixing to motor 14, by way of bolt b17 rotates, realize motor 14 and place plate
Fixing between 15；Impeller 12 is arranged on the side near segmental arc 13 for the motor 14；Impeller 12 rotates, and air-flow passes through water conservancy diversion wind
The flow direction of the radian change air-flow through segmental arc 13 for the leaf 3, makes air-flow realize pre-rotation；Reduce air-flow and act directly on leaf
The phenomenon taken turns the active force on 12 and noise or vibrations occur；By elastic washer 7 and reinforcing plate 18, the equal of lifting force is set
Even conduction, reaches the effect of reducing vibration.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
The present embodiment can be made after reading this specification by field technique personnel as required does not has the modification of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (10)
1. an axial fan, including the blower fan inner core (2) that is coaxially disposed of blower fan urceolus (1) and blower fan urceolus (1) and even
Give a dinner for a visitor from afar between machine urceolus (1) and blower fan inner core (2) and circumferentially disposed some water conservancy diversion fan blades (3), it is characterised in that: bolt a (4)
Be each passed through blower fan inner core (2), blower fan urceolus (1) is threadeded by nut (5) with water conservancy diversion fan blade (3).
2. a kind of axial fan according to claim 1, it is characterised in that: described water conservancy diversion fan blade (3) is in blower fan
The both sides of cylinder (2) and blower fan urceolus (1) all have towards blower fan inner core (2) circumferentially extending prolongs limit (6), and described bolt a (4) wears
Cross and prolong limit (6) and threaded with nut (5).
3. a kind of axial fan according to claim 2, it is characterised in that: described prolonging is overlapped between limit (6) and nut (5)
It is provided with elastic washer (7).
4. a kind of axial fan according to claim 2, it is characterised in that: described prolonging is overlapped between limit (6) and nut (5)
It is provided with plain washer (8).
5. a kind of axial fan according to claim 2, it is characterised in that: described limit (6) outer surface that prolongs is all to extension
Stretching has extension (9), described blower fan inner core (2) and blower fan urceolus (1) is equipped with and is embedded and limits its circumference for extension (9)
The draw-in groove (10) of movement.
6. a kind of axial fan according to claim 5, it is characterised in that: the bottom of described draw-in groove (10) is positioned at draw-in groove
(10) side is connected by inclined plane (11) transition with the outer surface of blower fan inner core (2) and blower fan urceolus (1) respectively.
7. a kind of axial fan according to claim 1, it is characterised in that: include impeller (12), described water conservancy diversion fan blade
(3) one end near impeller (12) is provided with the segmental arc (13) of impeller (12) rotation direction bending.
8. a kind of axial fan according to claim 1, it is characterised in that: include motor (14), described blower fan inner core
(2) level is provided with placement plate (15), and described placement plate (15) is provided with the groove (16) that power supply machine (14) is embedded, described motor
(14) it is connected by bolt b (17) between plate (15) with placing.
9. a kind of axial fan according to claim 8, it is characterised in that: described placement plate (15) is relative to groove
(16) it is radially connected with reinforcing plate (18) between another side and blower fan inner core (2).
10. a kind of axial fan according to claim 1, it is characterised in that: the two ends of described blower fan urceolus (1) are all
It to being outward extended with flange (19), is connected with at blower fan urceolus (1) axle center circumferentially disposed between described flange (19)
Some reinforcements (20), side connecting fan urceolus (1) outer wall of described reinforcement (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620473654.0U CN205677883U (en) | 2016-05-21 | 2016-05-21 | A kind of axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620473654.0U CN205677883U (en) | 2016-05-21 | 2016-05-21 | A kind of axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205677883U true CN205677883U (en) | 2016-11-09 |
Family
ID=57435892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620473654.0U Expired - Fee Related CN205677883U (en) | 2016-05-21 | 2016-05-21 | A kind of axial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205677883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837830A (en) * | 2017-01-10 | 2017-06-13 | 开平市永强风机实业有限公司 | A kind of blower fan with mounting cylinder |
-
2016
- 2016-05-21 CN CN201620473654.0U patent/CN205677883U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837830A (en) * | 2017-01-10 | 2017-06-13 | 开平市永强风机实业有限公司 | A kind of blower fan with mounting cylinder |
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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: 20161109 Termination date: 20190521 |