CN205663637U - Stable in structure's centrifugal fan - Google Patents
Stable in structure's centrifugal fan Download PDFInfo
- Publication number
- CN205663637U CN205663637U CN201620413326.1U CN201620413326U CN205663637U CN 205663637 U CN205663637 U CN 205663637U CN 201620413326 U CN201620413326 U CN 201620413326U CN 205663637 U CN205663637 U CN 205663637U
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- China
- Prior art keywords
- spiral case
- centrifugal blower
- plate
- shaft motor
- extension shaft
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Abstract
The utility model provides a stable in structure's centrifugal fan, includes mounting plate, spiral case, two -extending -shaft motor and wind wheel, mounting plate includes bottom plate body, spiral case installation department and motor mounting section, the spiral case is installed in the spiral case installation department, and two -extending -shaft motor installs in motor mounting section, the wind wheel is fixed in in two -extending -shaft motor's two pivots to be located the inside of spiral case, the bottom of spiral case is equipped with the air exit, and its lateral wall is equipped with the air inlet, the spiral case installation department includes four limiting plates, and outer wall and four limiting plates of the air exit of spiral case are closely laminated to be fixed in the limiting plate with the outer wall of the air exit of spiral case through the mounting, the end of limiting plate is provided with the angle of chamfer. The utility model discloses according to above -mentioned content, provide a stable in structure's centrifugal fan, its stable in structure, job stabilization nature is high.
Description
Technical field
This utility model relates to blower fan field, particularly relates to a kind of constitutionally stable centrifugal blower.
Background technology
Centrifugal blower is dependent on the mechanical energy of input, improves gas pressure and supplies gas side by side the machinery of body, and it is a kind of driven
Fluid machinery.Centrifugal blower is the principle being converted to potential energy according to kinetic energy, utilizes the impeller of high speed rotating to be accelerated by gas, so
Rear deceleration, change flow to, and make kinetic energy be converted into potential energy.In one-stage centrifugal blower fan, gas is from axially into impeller, and gas flows through
It is radially redirected during impeller, subsequently into diffuser.But, existing centrifugal fan structure is unstable, in use holds
Easily break down.
Utility model content
The purpose of this utility model is to propose a kind of constitutionally stable centrifugal blower, its Stability Analysis of Structures, job stability
High.
For reaching this purpose, this utility model by the following technical solutions:
A kind of constitutionally stable centrifugal blower, including mounting base, spiral case, double extension shaft motor and wind wheel,
Described mounting base includes base plate body, spiral case installation portion and motor mounting part；
Described spiral case is installed on described spiral case installation portion, and described double extension shaft motor is installed on described motor mounting part；
Described wind wheel is fixed in two rotating shafts of described double extension shaft motor, and is positioned at the inside of described spiral case；
The bottom of described spiral case is provided with exhaust outlet, and its sidewall is provided with air inlet；
Described spiral case installation portion includes that four pieces of limiting plates, the outer wall of the exhaust outlet of described spiral case and four pieces of described limiting plates are tight
Closely connected conjunction, and by fixture, the outer wall of the exhaust outlet of described spiral case is fixed on described limiting plate, the end of described limiting plate
It is provided with angle of chamfer.
Further, the air inlet of described spiral case is provided with current collector, and described current collector is screwed.
Further, described current collector includes outer arc portion and inner arc portion, and described outer arc portion is loop configuration, inside it gradually to
Described rotating shaft is reduced and extends, and forms the transition structure of arc, its transition structure the most described inner arc portion.
Further, being additionally provided with control box, described control box integration is provided with control box plate；The four of described control box plate
Individual angle is fillet, by bolt, control box plate is fixed on described double extension shaft motor, and the side of described control box is also positioned at spiral shell
Bolt position is provided with avoiding hollow groove.
Further, described spiral case installation position is in the both sides of described motor mounting part, and is separated by with described motor mounting part
Certain distance.
Further, described motor mounting part includes connecting plate and epirelief installing plate, and described connecting plate is located at described epirelief peace
The both sides of dress plate；
It is additionally provided with bolt and pad, by bolt and the cooperation of pad, described connecting plate is fixed on described base plate body,
Described double extension shaft motor is installed on described epirelief installing plate.
Further, also including square collets and insulation sleeve, described collets are located at described epirelief installing plate and institute
State between double extension shaft motor, and by bolt, described insulation sleeve, double extension shaft motor, collets and epirelief installing plate are fixed on one
Rise.
Further, described wind wheel includes two single-wheels；
Described single-wheel includes that blade, the first connection ring and second connect ring, and it is same that described first connection ring and second connects ring
The heart is oppositely arranged, and described blade is connected to the first connection ring and second equally spacedly and connects between ring；
Described the second of two described single-wheels connects ring and contacts, and is fixed by axle sleeve.
Further, described blade is arc shaped blade, and the quantity of the blade of described single-wheel is 90-100 sheet.
Further, through the central point C of described blade tip, make the vertical straight line L with described mounting base, with central point
C makees the setting angle D that the angle of the tangent line H of described blade, tangent line H and straight line L is just described blade, and its setting angle D is positioned at
Between 25 ° to-30 °.
Of the present utility model according to foregoing, a kind of constitutionally stable centrifugal blower, its Stability Analysis of Structures are proposed, work is steady
Qualitative height.
Accompanying drawing explanation
Fig. 1 is the structural representation of one of them embodiment of this utility model.
Fig. 2 is the elevational schematic view of one of them embodiment of this utility model.
Fig. 3 is the partial enlarged drawing at Figure 1A.
Fig. 4 is the partial enlarged drawing at Figure 1B.
Fig. 5 is the structural representation of the current collector of one of them embodiment of this utility model.
Fig. 6 is the structural representation of the wind wheel of one of them embodiment of this utility model.
Fig. 7 is the schematic diagram of this utility model one of them examples measure setting angle D.
Fig. 8 is the partial enlarged drawing at Fig. 1 E.
Wherein: mounting base 1, base plate body 11, spiral case installation portion 12, limiting plate 121, motor mounting part 13, connecting plate
131, epirelief installing plate 132, spiral case 2, current collector 23, outer arc portion 231, inner arc portion 232, exhaust outlet 21, air inlet 22, double extension shaft
Motor 3, rotating shaft 31, control box 32, control box plate 321, wind wheel 4, single-wheel 41, blade 411, first connect ring 412, second even
T-Ring 413, collets 71, insulation sleeve 72.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by detailed description of the invention.
As shown in Figures 1 to 8, a kind of constitutionally stable centrifugal blower, including mounting base 1, spiral case 2, double extension shaft motor 3
With wind wheel 4,
Described mounting base 1 includes base plate body 11, spiral case installation portion 12 and motor mounting part 13；
Described spiral case 2 is installed on described spiral case installation portion 12, and described double extension shaft motor 3 is installed on described motor mounting part
13；
Described wind wheel 4 is fixed in two rotating shafts 31 of described double extension shaft motor 3, and is positioned at the inside of described spiral case 2；
The bottom of described spiral case 2 is provided with exhaust outlet 21, and its sidewall is provided with air inlet 22；
Described spiral case installation portion 12 includes four pieces of limiting plates 121, described in the outer wall of the exhaust outlet 21 of described spiral case 2 and four pieces
Limiting plate 121 fits tightly, and by fixture, the outer wall of the exhaust outlet 21 of described spiral case 2 is fixed on described limiting plate 121,
The end of described limiting plate 121 is provided with angle of chamfer.
Described one constitutionally stable centrifugal blower work time, described double extension shaft motor 3 rotates, and drive be fixed on its two
The described wind wheel 4 of rotating shaft 31 rotates, and gas enters into the inside of described spiral case 2 by described air inlet 22, at described spiral case 2
In, the direction of gas changes along with the rotation of described wind wheel 4, and gas is finally discharged at described air vent 21.
Even if described wind wheel 4 high-speed rotation output high pressure draught, described spiral case 2 also can be stably fixed to described limiting plate
In 121, improving the stability of its structure and work, the end of described limiting plate 121 is provided with angle of chamfer, on the one hand saves described
The materials of limiting plate 121, on the other hand also function to protective effect, it is to avoid be fixed on by the outer wall of the exhaust outlet 21 of described spiral case 2
During described limiting plate 121, hurt staff.
Further, the air inlet 22 of described spiral case 2 is provided with current collector 23, and described current collector 23 is screwed.
Described current collector 23 makes air-flow can be full of air inlet 22 equably, and when air-flow passes through described current collector 23, resistance
Power can be slowed down, and reduces eddy current crack.
Further, described current collector 23 includes outer arc portion 231 and inner arc portion 232, and described outer arc portion 231 is loop configuration,
Gradually reduce to described rotating shaft 31 and extend inside it, forming the transition structure of arc, its transition structure the most described inner arc portion
232。
Air-flow can be effectively reduced and pass through disturbance produced by air inlet 22, improve the constitutionally stable centrifugal wind of described one
The job stability of machine.
Further, being additionally provided with control box 32, the integration of described control box 32 is provided with control box plate 321；Described control box
Four angles of base plate 321 are fillet, by bolt, control box plate 321 are fixed on described double extension shaft motor 3, described control box
The side of 32 is also positioned at bolt position and is provided with avoiding hollow groove 322.
Four limits of described control box 32 are provided with avoiding hollow groove 322, on the one hand save the manufacturing cost of described control box 32, subtract
The speed volume of described control box 32, on the other hand, is also convenient for bolt and control box plate 321 is fixed on described double extension shaft motor
3；And the fastening effect of bolt is strong, it is possible to described control box plate 321 is fitted tightly with described double extension shaft motor 3, and, make
Fix dismounting and the maintenance being also convenient for described control box plate 321 with bolt, four angles controlling box plate 321 are fillet, rise
To protective effect, it is to avoid staff comes to harm when dismounting and keeping in repair described control box 32.
Further, described spiral case installation portion 12 is positioned at the both sides of described motor mounting part 13, and with described motor mounting part
13 is separated by a distance.
Described spiral case installation portion 12 is positioned at the both sides of described motor mounting part 13, and described double extension shaft motor 3 of being more convenient for drives
The wind wheel 4 of the inside of described spiral case 2 works；Motor mounting part 13 described in described spiral case installation portion is separated by a distance, it is ensured that institute
State and have certain reserved location between spiral case 2 and described double extension shaft motor 3, facilitate described spiral case 2 and described double extension shaft motor 3
Dismounting, it also avoid and lean on to obtain the tightest occurred interfering with each other between described spiral case 2 and described double extension shaft motor 3.
Further, described motor mounting part 13 includes that connecting plate 131 and epirelief installing plate 132, described connecting plate 131 are located at
The both sides of described epirelief installing plate 132；
It is additionally provided with bolt and pad, by bolt and the cooperation of pad, described connecting plate 131 is fixed on described base plate originally
Body 11, described double extension shaft motor 3 is installed on described epirelief installing plate 132.
By bolt and the cooperation of pad, described epirelief installing plate 132 is made more to be stably mounted at described base plate body
11, also allow for dismounting and the maintenance of described epirelief installing plate 132；Described epirelief installing plate 132 makes described double extension shaft motor 3 and institute
State base plate body 11 to separate, reduce the vibrations occurred between itself and described base plate body 11 when double extension shaft motor 3 works, carry
The job stability of high described double extension shaft motor 3.
Further, also including square collets 71 and insulation sleeve 72, described epirelief installing plate is located at by described collets 7
Between 132 and described double extension shaft motor 3, and by bolt by described insulation sleeve 72, double extension shaft motor 3, collets 71 and epirelief
Installing plate 132 is fixed together.
By described collets 71 and the cooperation of insulation sleeve 72, play two grades of leakage protections, effectively prevent described double
Stretch spindle motor 3 to leak electricity, and square collets 7 also reduce the volume of described insulation fast 7, save its cost of manufacture.
Further, described wind wheel 4 includes two single-wheels 41；
Described single-wheel 41 includes that blade 411, first connects ring 412 and second and connects ring 413, and described first connects ring 412
Connecting ring 413 with second to be oppositely arranged with one heart, described blade 411 is connected to the first connection ring 412 and second equally spacedly and connects
Between ring 413；
Described the second of two described single-wheels 41 connects ring 413 and contacts, and is fixed by axle sleeve 414.
Described wind wheel 4 includes two single-wheels 41, it is simple to the dismounting of described wind wheel 4 and maintenance, and described first connects ring 412 He
Second connects ring 413 is oppositely arranged with one heart, makes described blade 411 more be stably installed, and described blade 411 connects equally spacedly
Connect ring 412 and second in first and connect between ring 413, resistance when described single-wheel 41 of slowing down rotates, solid by axle sleeve 414
Fixed, make two single-wheels 41 more be stably installed together.
Further, described blade 411 is arc shaped blade, and the quantity of the blade 411 of described single-wheel 41 is 90-100 sheet.
Make centrifugal blower performance more superior, effectively reduce the volume of centrifugal blower, have bigger blast simultaneously.
Further, through the central point C of described blade 411 end, make the vertical straight line L with described mounting base 1, with in
The angle of tangent line H, tangent line H and straight line L that heart point C makees described blade 411 is just the setting angle D of described blade 411, and it is installed
Angle D is between 25 ° to-30 °.
The efficiency of centrifugal blower can be increased, play the effect improving air-flow.
Know-why of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
By novel principle, and the restriction to this utility model protection domain can not be construed to by any way.Based on explanation herein,
Those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present utility model,
Within these modes fall within protection domain of the present utility model.
Claims (10)
1. a constitutionally stable centrifugal blower, including mounting base, spiral case, double extension shaft motor and wind wheel, it is characterised in that:
Described mounting base includes base plate body, spiral case installation portion and motor mounting part；
Described spiral case is installed on described spiral case installation portion, and described double extension shaft motor is installed on described motor mounting part；
Described wind wheel is fixed in two rotating shafts of described double extension shaft motor, and is positioned at the inside of described spiral case；
The bottom of described spiral case is provided with exhaust outlet, and its sidewall is provided with air inlet；
Described spiral case installation portion includes that four pieces of limiting plates, the outer wall of the exhaust outlet of described spiral case and four pieces of described limiting plates closely paste
Closing, and by fixture, the outer wall of the exhaust outlet of described spiral case is fixed on described limiting plate, the end of described limiting plate is arranged
There is angle of chamfer.
The constitutionally stable centrifugal blower of one the most according to claim 1, it is characterised in that: the air inlet of described spiral case sets
Current collector, described current collector is had to be screwed.
The constitutionally stable centrifugal blower of one the most according to claim 2, it is characterised in that: described current collector includes outer arc
Portion and inner arc portion, described outer arc portion is loop configuration, gradually reduces to described rotating shaft and extend inside it, forms the transition of arc
Structure, its transition structure the most described inner arc portion.
The constitutionally stable centrifugal blower of one the most according to claim 1, it is characterised in that: it is additionally provided with control box, described
Control box integration and be provided with control box plate；Four angles of described control box plate are fillet, will control box plate by bolt
Being fixed on described double extension shaft motor, the side of described control box is also positioned at bolt position and is provided with avoiding hollow groove.
The constitutionally stable centrifugal blower of one the most according to claim 1, it is characterised in that: described spiral case installation position in
The both sides of described motor mounting part, and separated by a distance with described motor mounting part.
The constitutionally stable centrifugal blower of one the most according to claim 1, it is characterised in that: described motor mounting part includes
Connecting plate and epirelief installing plate, described connecting plate is located at the both sides of described epirelief installing plate；
It is additionally provided with bolt and pad, by bolt and the cooperation of pad, described connecting plate is fixed on described base plate body, institute
State double extension shaft motor and be installed on described epirelief installing plate.
A kind of constitutionally stable centrifugal blower, it is characterised in that: also include square collets
And insulation sleeve, described collets are located between described epirelief installing plate and described double extension shaft motor, and by bolt by described absolutely
Edge set, double extension shaft motor, collets and epirelief installing plate are fixed together.
The constitutionally stable centrifugal blower of one the most according to claim 1, it is characterised in that: described wind wheel includes two lists
Wheel；
Described single-wheel includes that blade, the first connection ring and second connect ring, and described first connects ring and second connects the concentric phase of ring
To setting, described blade is connected to the first connection ring and second equally spacedly and connects between ring；
Described the second of two described single-wheels connects ring and contacts, and is fixed by axle sleeve.
The constitutionally stable centrifugal blower of one the most according to claim 8, it is characterised in that: described blade is arc-shaped leaf
Sheet, the quantity of the blade of described single-wheel is 90-100 sheet.
The constitutionally stable centrifugal blower of one the most according to claim 8, it is characterised in that: through described blade tip
Central point C, make the vertical straight line L with described mounting base, make the tangent line H of described blade, tangent line H and straight line L with central point C
Angle be just the setting angle D of described blade, its setting angle D is between 25 ° to-30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413326.1U CN205663637U (en) | 2016-05-06 | 2016-05-06 | Stable in structure's centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413326.1U CN205663637U (en) | 2016-05-06 | 2016-05-06 | Stable in structure's centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205663637U true CN205663637U (en) | 2016-10-26 |
Family
ID=57160424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620413326.1U Active CN205663637U (en) | 2016-05-06 | 2016-05-06 | Stable in structure's centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205663637U (en) |
-
2016
- 2016-05-06 CN CN201620413326.1U patent/CN205663637U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |