CN208918877U - A kind of oblique flow pipeline fan for fresh air ventilating system - Google Patents
A kind of oblique flow pipeline fan for fresh air ventilating system Download PDFInfo
- Publication number
- CN208918877U CN208918877U CN201821522575.XU CN201821522575U CN208918877U CN 208918877 U CN208918877 U CN 208918877U CN 201821522575 U CN201821522575 U CN 201821522575U CN 208918877 U CN208918877 U CN 208918877U
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- China
- Prior art keywords
- shell
- air
- fuselage cover
- fan
- fixed strip
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Abstract
The utility model discloses a kind of oblique flow pipeline fans for fresh air ventilating system, including fuselage cover, air inlet shell, outlet air shell, ball bearing motor and fan blade, the both-side opening edge of fuselage cover is respectively arranged with the annular fixed strip to turn up, it is separately provided for buckling the annular retaining grooves into annular fixed strip on air inlet shell and outlet air shell, air inlet shell and outlet air shell are respectively arranged on the both ends of fuselage cover, and connect to forming an entirety with annular fixed strip buckle by annular retaining grooves；Shaft fixation hole is provided on fan blade, ball bearing motor passes through shaft fixation hole by shaft and mutually fixes with fan blade.The problem of there is spatial joint clearance after solving conventionally employed flanged joint long-time use in the utility model, causes air pressure in blower unstable, and Velocity Profiles are uneven and drafting efficiency reduces, it is not only compact-sized, at low cost, light-weight, and long service life, fan efficiency is high, and using effect is good.
Description
Technical field
The utility model relates to fresh air ventilating system technical field, especially a kind of oblique flow pipe for fresh air ventilating system
Road blower.
Background technique
As fresh air ventilating system is using more and more common, Mixed flow Fan in fresh air ventilating system is also at being in great demand
Equipment.Traditional Mixed flow Fan is mainly made of components such as impeller, casing, motor, and traditional Mixed flow Fan machine
Shell generally uses flange to couple, and flanged joint position is after prolonged use, it will usually occur between air flow clearance or space
Gap, so that the air pressure in blower is not able to maintain stabilization, to cause the air flow method disorder in blower, Velocity Profiles are uneven
And the problem of drafting efficiency reduction.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of oblique flow for fresh air ventilating system
There is spatial joint clearance after solving conventionally employed flanged joint long-time use in pipeline fan, causes air pressure in blower unstable, gas
The problem of flow velocity degree is unevenly distributed and drafting efficiency reduces, the utility model is using annular fixed strip and annular retaining grooves sealing
The mode of fastening, it is not only compact-sized, at low cost, light-weight, and long service life, fan efficiency is high, and using effect is good.
The purpose of this utility model is achieved through the following technical solutions:
A kind of oblique flow pipeline fan for fresh air ventilating system, including fuselage cover, air inlet shell, outlet air shell, rolling
Pearl bearing electric machine and two fan blades, fuselage cover are tubular structure, and the both-side opening edge of fuselage cover, which is respectively arranged with, to turn up
Annular fixed strip, enter the wind and be provided with air inlet on shell, air inlet is equipped with sound-absorbing web plate, and air outlet is equipped with deflector, outlet air
It is provided with air outlet on shell, enters the wind the ring-type for being separately provided for buckling on shell and outlet air shell into annular fixed strip and consolidates
Determine slot, enters the wind shell and outlet air shell is respectively arranged on the both ends of fuselage cover, and pass through annular retaining grooves and annular fixed strip card
Button connects to forming an entirety；Shaft fixation hole is provided on fan blade, ball bearing motor is set to fuselage cover center of inside, rolling
Pearl bearing electric machine passes through shaft fixation hole by shaft and mutually fixes with fan blade；It is provided with control box at the top of fuselage cover, controls box
It is inside provided with PCB control circuit board, PCB control circuit board is electrically connected by conducting wire with ball bearing motor.
Preferably, fuselage cover bottom is provided with rectangular base, is provided with multiple fixing threaded holes below rectangular base.
Preferably, it controls in box and is additionally provided with absorbent cotton, wet environment is avoided to make the PCB control circuit board in control box
At influence.
Preferably, fixed nut buckle is additionally provided on annular retaining grooves, it can be by annular retaining grooves and annular fixed strip
Locking.
The beneficial effects of the utility model are:
(1) in such a way that annular fixed strip and annular retaining grooves sealing fasten, not only compact-sized, at low cost, weight
Gently, and long service life, fan efficiency height, using effect are good；
(2) it is equipped with absorbent cotton in control box, wet environment is avoided to impact the PCB control circuit board in control box.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the perspective view of the utility model；
Fig. 3 is the structural schematic diagram of the utility model annular retaining grooves and annular fixed strip；
In figure, 10- air inlet shell, 11- fuselage cover, 12- outlet air shell, 13- annular fixed strip, 14- annular retaining grooves,
15- controls box, 16- rectangular base, 17- deflector, the fixed nut buckle of 18-.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that the case where not conflicting
Under, the feature in following embodiment and embodiment can be combined with each other.
It should be noted that diagram provided in following embodiment only illustrates the basic of the utility model in a schematic way
Conception, only shown in schema then with related component in the utility model rather than component count when according to actual implementation, shape
And size is drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout
Kenel may also be increasingly complex.
Embodiment:
A kind of oblique flow pipeline fan for fresh air ventilating system, please refers to shown in attached drawing 1- attached drawing 3, including fuselage cover
11, shell 10, outlet air shell 12, ball bearing motor and two fan blades are entered the wind, fuselage cover 11 is tubular structure, fuselage cover
11 both-side opening edge is respectively arranged with the annular fixed strip 13 to turn up, enters the wind and is provided with air inlet on shell 10, outside outlet air
Air outlet is provided on shell 12, air inlet is equipped with sound-absorbing web plate, and air outlet is equipped with deflector 17, enters the wind shell 10 and outlet air shell
It is separately provided for buckling the annular retaining grooves 14 into annular fixed strip 13 on 12, enters the wind shell 10 and outlet air shell 12 is distinguished
Connect to forming an entirety with the annular buckle of fixed strip 13 set on the both ends of fuselage cover 11, and by annular retaining grooves 14；Wind
Shaft fixation hole is provided on leaf, ball bearing motor is set to 11 center of inside of fuselage cover, and ball bearing motor passes through shaft
It is mutually fixed across shaft fixation hole with fan blade；It is provided with control box 15 at the top of fuselage cover 11, controls and is provided with PCB control in box 15
Circuit board processed, PCB control circuit board are electrically connected by conducting wire with ball bearing motor, and 11 bottom of fuselage cover is provided with rectangular base
Seat 16 is provided with multiple fixing threaded holes below rectangular base 16, controls and is additionally provided with absorbent cotton in box 15, on annular retaining grooves 14
It is additionally provided with fixed nut buckle 18.
Mixed flow Fan is mainly made of components such as impeller, casing, motor, and outlet import connects pipe network along air-flow,
So that having good air flow method, stable pressure characteristic, diagonal flow ventilator is compact-sized, light weight and cost is low has
The power of centrifugal fan, occupies little space, but the shell of existing Mixed flow Fan all uses flanged joint, so that shell is close
Seal the features such as effect is poor, and working efficiency is low.
The utility model uses three stage structure, is made of fuselage cover 11, air inlet shell 10 and outlet air shell 12, fuselage
It is formed between shell 11 and air inlet shell 10, outlet air shell 12 by annular fixed strip 13 and the buckle fixation of annular retaining grooves 14,
It avoids tradition to fix in link position using flange, there are have interstitial spaces between ring flange to cause poor sealing effect, wind
The feature of machine air inlet/outlet effect difference.Annular fixed strip 13 is embedded in annular retaining grooves 14 by the utility model, so that air inlet is outer
Spatial joint clearance is not present between shell 10, outlet air shell 12 and fuselage cover 11, the single-piece frame light weight and cost of formation is low, close
It is good to seal effect, has stable pressure characteristic.
The monolithic case outer diameter of the utility model is small, installation space is saved, using annular fixed strip 13 and annular retaining grooves
14 click-on designs, so that it is easy for assemble or unload between fuselage cover 11 and air inlet shell 10, outlet air shell 12, pacify convenient for the later period
Dress maintenance, inside use ball bearing motor, fan blade can be driven quickly to rotate, so that the air-flow flowing pole in body shell 11 again
To be uniform, round and smooth, eddy current loss is less.
Further, the utility model is also provided with absorbent cotton in control box 15, is avoided that control box 15 by moist ring
The influence in border, since oblique flow pipeline fan is used as ventilation equipment to use for a long time, the moisture carried in air-flow is easy to blower sheet
Body impacts, and controls in box 15 setting absorbent cotton again, then is avoided that the influence of wet environment so that blower working life and
Job security is higher.
Further, 11 bottom of fuselage cover is provided with rectangular base 16, can be mounted on certain bits by rectangular base 16
It sets, pipeline location can also be fixed on by rectangular base 16, structure is simple, easy to use.
The specific working mode of the utility model are as follows: control box 15 is connected by power supply line with alternating current, to be ball axis
Bearing motor provides electric energy, when ball bearing electric motor starting, drives the fan blade of two sides quickly to rotate, the fan blade positioned at air inlet position
It drives the air-flow of air inlet position quickly to flow, and is entered in blower by sound-absorbing web plate, air-flow passes through fan blade from axial flow
It gradually becomes oblique air-flow and enters runner, and through fan blade behind outlet out, then slowly become radial air flow, so that tiltedly
Flow losses inside flow fan are less, and oblique flow fan blade is made to maintain higher efficiency.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (4)
1. a kind of oblique flow pipeline fan for fresh air ventilating system, which is characterized in that including fuselage cover, air inlet shell, go out
Wind shell, ball bearing motor and two fan blades, fuselage cover are tubular structure, and the both-side opening edge of fuselage cover is set respectively
It is equipped with the annular fixed strip to turn up, enters the wind and is provided with air inlet on shell, air inlet is equipped with sound-absorbing web plate, and air outlet is equipped with water conservancy diversion
Plate is provided with air outlet on outlet air shell, enters the wind and is separately provided for buckling into annular fixed strip on shell and outlet air shell
Annular retaining grooves, enter the wind the both ends that shell and outlet air shell are respectively arranged on fuselage cover, and pass through annular retaining grooves and annular
Fixed strip buckle connects to forming an entirety；Shaft fixation hole is provided on fan blade, ball bearing motor is set in fuselage cover
Portion center, ball bearing motor pass through shaft fixation hole by shaft and mutually fix with fan blade；Control is provided at the top of fuselage cover
Box, controls and is provided with PCB control circuit board in box, and PCB control circuit board is electrically connected by conducting wire with ball bearing motor.
2. a kind of oblique flow pipeline fan for fresh air ventilating system according to claim 1, which is characterized in that fuselage cover
Bottom is provided with rectangular base, is provided with multiple fixing threaded holes below rectangular base.
3. a kind of oblique flow pipeline fan for fresh air ventilating system according to claim 1, which is characterized in that in control box
It is additionally provided with absorbent cotton.
4. a kind of oblique flow pipeline fan for fresh air ventilating system according to claim 1, which is characterized in that ring-type is fixed
Fixed nut buckle is additionally provided on slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821522575.XU CN208918877U (en) | 2018-09-18 | 2018-09-18 | A kind of oblique flow pipeline fan for fresh air ventilating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821522575.XU CN208918877U (en) | 2018-09-18 | 2018-09-18 | A kind of oblique flow pipeline fan for fresh air ventilating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208918877U true CN208918877U (en) | 2019-05-31 |
Family
ID=66705986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821522575.XU Expired - Fee Related CN208918877U (en) | 2018-09-18 | 2018-09-18 | A kind of oblique flow pipeline fan for fresh air ventilating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208918877U (en) |
-
2018
- 2018-09-18 CN CN201821522575.XU patent/CN208918877U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20190918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |