CN107299907A - High pressure difference blower device - Google Patents
High pressure difference blower device Download PDFInfo
- Publication number
- CN107299907A CN107299907A CN201710493739.4A CN201710493739A CN107299907A CN 107299907 A CN107299907 A CN 107299907A CN 201710493739 A CN201710493739 A CN 201710493739A CN 107299907 A CN107299907 A CN 107299907A
- Authority
- CN
- China
- Prior art keywords
- high pressure
- pressure difference
- support shaft
- bearing
- blowing plant
- 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.)
- Pending
Links
- 238000007664 blowing Methods 0.000 claims description 23
- 241000883990 Flabellum Species 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000026058 directional locomotion Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
- F04D29/054—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a high pressure difference blower device, comprising: a housing having an inlet and an outlet, the housing having an impeller assembly disposed therein for causing directional movement of an air flow within the housing; the impeller assembly comprises a supporting shaft and a fixing ring, fan blades are arranged between the supporting shaft and the fixing ring, and the impeller assembly is installed on the shell through matching of a bearing and the supporting shaft. According to the blower, the inner sleeve of the bearing and the support shaft are integrally designed, the arc-shaped contact surface is adopted, the gas leakage path is prolonged, the sectional area of the gas leakage surface is reduced, the support shaft is completely sealed, the problem that gas in the inner cavity of the blower leaks through the bearing is solved, conditions are created for improving the wind pressure, the structure is simple, the assembly is easy, and the wind pressure is improved.
Description
【Technical field】
The present invention relates to a kind of High Pressure Difference blowing plant.
【Background technology】
The most air blower of in the market, tightness is not high between bearing and air channel, and flabellum rigidity is not enough, causes import and export
Between leeway it is not enough.
So, what the present invention was based on the deficiency of the above and produced.
【The content of the invention】
Simple in construction the technical problem to be solved in the present invention is to provide a kind of High Pressure Difference blowing plant, assembling is easy, carries
High blast.
In order to solve the above technical problems, present invention employs following technical proposals：A kind of High Pressure Difference blowing plant, it is special
Levy and be, including：
The impeller sets that air-flow can be made to be moved in shell interior orientation are provided with shell with entrance and exit, the shell
Part；The impeller assembly includes support shaft and retainer plate, and flabellum, the impeller are provided between the support shaft and retainer plate
Component is arranged on shell by the cooperation of bearing and support shaft.
A kind of High Pressure Difference blowing plant as described above, it is characterised in that the surface of the support shaft is provided with annular
Cambered surface groove, the ball engagement of the bearing is arranged in the annular cambered surface groove.
A kind of High Pressure Difference blowing plant as described above, it is characterised in that what described impeller assembly was formed in one
Overall structure.
A kind of High Pressure Difference blowing plant as described above, it is characterised in that the shell includes upper casing and lower casing, described
Entrance and the outlet are arranged on the upper casing, and flabellum is located at the exit, and the bearing is arranged on the lower casing.
A kind of High Pressure Difference blowing plant as described above, it is characterised in that it is convex that the bottom of the bearing is provided with sealing
Rise.
A kind of High Pressure Difference blowing plant as described above, it is characterised in that the impeller assembly includes two and branch
The retainer plate that support axle is coaxially disposed and is distributed up and down, the flabellum is arranged between support shaft and retainer plate.
A kind of High Pressure Difference blowing plant as described above, it is characterised in that one end of the support shaft connection bearing is set
It is equipped with the coupling axle being coupled with the support shaft.
A kind of High Pressure Difference blowing plant as described above, it is characterised in that the lower casing bottom is provided with for fixing
The mounting bracket of air blower.
A kind of High Pressure Difference blowing plant as described above, it is characterised in that the flabellum is in the horizontal direction and vertical square
To projection be subtriangular.
Compared with prior art, a kind of High Pressure Difference blowing plant of the invention, has reached following effect：
The air blower of the present invention, by the inner sleeve of bearing and support shaft integrated design, and uses arc contact surface, extends
The leakage paths of gas, reduce the sectional area that gas leaks face, realize the hermetically sealed of support shaft, solve air blower inner chamber gas and lead to
The problem of crossing bearing leakage, creates conditions to improve blast, and simple in construction, assembling is easy, improves blast.
【Brief description of the drawings】
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is topology view of the invention；
Fig. 2 is exploded view of the invention；
Fig. 3 is longitudinal sectional view of the invention；
Fig. 4 is transverse sectional view of the invention；
Fig. 5 is the structure chart of another impeller assembly of the invention；
Brief description of the drawings：1st, shell；11st, upper casing；111st, entrance；112nd, export；12nd, lower casing；13rd, mounting bracket；2nd, impeller
Component；21st, support shaft；22nd, retainer plate；221st, annular cambered surface groove；23rd, flabellum；3rd, bearing；31st, ball；32nd, seal convexity；
4th, axle is coupled.
【Embodiment】
Embodiments of the present invention are elaborated below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, a kind of High Pressure Difference blowing plant, including：
Being provided with shell 1 with entrance 111 and outlet 112, the shell 1 can be such that air-flow is moved in the interior orientation of shell 1
Dynamic impeller assembly 2；The impeller assembly 2 includes support shaft 21 and retainer plate 22, the support shaft 21 and retainer plate 22 it
Between be provided with flabellum 23, the impeller assembly 2 is arranged on shell 1 by the cooperation of bearing 3 and support shaft 21.The inner sleeve of bearing
With support shaft integrated design, appropriate lubricant can be smeared between bearing and support shaft, the leakage road of gas is substantially prolongs
Footpath, reduces the sectional area that gas leaks face, realizes the hermetically sealed of axle, solve air blower inner chamber gas asking by bearing leakage
Topic, creates conditions to improve blast.
As shown in Figures 1 to 5, in the present embodiment, the surface of the support shaft 21 is provided with annular cambered surface groove 211,
The ball 31 of the bearing 3 is equipped with the annular cambered surface groove 211, and structure is novel, saves cost.
As shown in Figures 1 to 5, in the present embodiment, the overall structure that described impeller assembly 2 is formed in one, structure
It is stable simple.
As shown in Figures 1 to 5, in the present embodiment, the shell 1 includes upper casing 11 and lower casing 12, the He of entrance 111
The outlet 112 is arranged on the upper casing 11, and flabellum 23 is located at the outlet 112, the bearing 3 be arranged on it is described under
On shell 12.
As shown in Figures 1 to 5, in the present embodiment, the bottom of the bearing 3 is provided with seal convexity 32, with support shaft
Match, increase the sealing of device.
As shown in Figures 1 to 5, in the present embodiment, in order that the blast of delivery outlet is higher, impeller assembly 2 can also be
Include two retainer plates 22 for being coaxially disposed and being distributed up and down with support shaft 21, the flabellum 23 is arranged on support shaft 21 and solid
Surely between circle 22, the increase of flabellum effective area makes the blast of delivery outlet higher.
As shown in Figures 1 to 5, in the present embodiment, one end of the connection of support shaft 21 bearing 3 is provided with and the branch
The coupling axle 4 that support axle 21 is coupled, coupling axle can be connected with gearbox, rotated for blower fan and provided power.
As shown in Figures 1 to 5, in the present embodiment, the bottom of lower casing 12 is provided with the installation for fixing air blower
Support 13.
As shown in Figures 1 to 5, in the present embodiment, projection of the flabellum 23 in the horizontal direction with vertical direction be
It is subtriangular.Flabellum outer rim is in smoothing junction with circular framework, and flabellum inner edge is connected with streamline rectification rotating shaft, forms one
The Bezier aggregate of high rigidity.
Claims (9)
1. a kind of High Pressure Difference blowing plant, it is characterised in that including：
Air-flow can be made in shell (1) by being provided with shell (1) with entrance (111) and outlet (112), the shell (1)
The impeller assembly (2) of displacement；The impeller assembly (2) includes support shaft (21) and retainer plate (22), the support shaft
(21) it is provided with flabellum (23) between retainer plate (22), the impeller assembly (2) is matched somebody with somebody by bearing (3) and support shaft (21)
Close and be arranged on shell (1).
2. a kind of High Pressure Difference blowing plant according to claim 1, it is characterised in that the surface of the support shaft (21)
Annular cambered surface groove (211) is provided with, the ball (31) of the bearing (3) is equipped with the annular cambered surface groove (211)
It is interior.
3. a kind of High Pressure Difference blowing plant according to claim 1 or 2, it is characterised in that described impeller assembly (2)
The overall structure being formed in one.
4. a kind of High Pressure Difference blowing plant according to claim 1, it is characterised in that the shell (1) includes upper casing
(11) and lower casing (12), the entrance (111) and the outlet (112) are arranged on the upper casing (11), and flabellum (23) position
In described outlet (112) place, the bearing (3) is arranged on the lower casing (12).
5. a kind of High Pressure Difference blowing plant according to claim 4, it is characterised in that the bottom of the bearing (3) is set
It is equipped with seal convexity (32).
6. a kind of High Pressure Difference blowing plant according to claim 1, it is characterised in that the impeller assembly (2) includes
There are two retainer plates for being coaxially disposed and being distributed up and down with support shaft (21) (22), the flabellum (23) is arranged on support shaft (21)
Between retainer plate (22).
7. a kind of High Pressure Difference blowing plant according to claim 4, it is characterised in that support shaft (21) connecting shaft
The one end for holding (3) is provided with the coupling axle (4) being coupled with the support shaft (21).
8. a kind of High Pressure Difference blowing plant according to claim 4, it is characterised in that lower casing (12) bottom is set
There is the mounting bracket (13) for fixing drum blower fan.
9. a kind of High Pressure Difference blowing plant according to claim 4, it is characterised in that the flabellum (23) is in level side
It is subtriangular to the projection with vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493739.4A CN107299907A (en) | 2017-06-26 | 2017-06-26 | High pressure difference blower device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493739.4A CN107299907A (en) | 2017-06-26 | 2017-06-26 | High pressure difference blower device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107299907A true CN107299907A (en) | 2017-10-27 |
Family
ID=60135616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710493739.4A Pending CN107299907A (en) | 2017-06-26 | 2017-06-26 | High pressure difference blower device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107299907A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1402903A (en) * | 1972-02-29 | 1975-08-13 | Federal Mogul Corp | Shaft bearing assembly |
| WO2009156286A1 (en) * | 2008-06-27 | 2009-12-30 | Oerlikon Leybold Vacuum Gmbh | Shaft arrangement for fast-rotating shafts |
| CN201991936U (en) * | 2011-03-26 | 2011-09-28 | 芜湖人本轴承有限公司 | Sealed cylindrical roller bearing without inner ring |
| CN203822658U (en) * | 2014-04-03 | 2014-09-10 | 苏州中建净化设备有限公司 | Fan with inner rotor motor matched with outer rotor impeller |
| CN104675715A (en) * | 2013-12-02 | 2015-06-03 | 建准电机工业股份有限公司 | Gas Blower |
-
2017
- 2017-06-26 CN CN201710493739.4A patent/CN107299907A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1402903A (en) * | 1972-02-29 | 1975-08-13 | Federal Mogul Corp | Shaft bearing assembly |
| WO2009156286A1 (en) * | 2008-06-27 | 2009-12-30 | Oerlikon Leybold Vacuum Gmbh | Shaft arrangement for fast-rotating shafts |
| CN201991936U (en) * | 2011-03-26 | 2011-09-28 | 芜湖人本轴承有限公司 | Sealed cylindrical roller bearing without inner ring |
| CN104675715A (en) * | 2013-12-02 | 2015-06-03 | 建准电机工业股份有限公司 | Gas Blower |
| CN203822658U (en) * | 2014-04-03 | 2014-09-10 | 苏州中建净化设备有限公司 | Fan with inner rotor motor matched with outer rotor impeller |
Non-Patent Citations (1)
| Title |
|---|
| 徐家文等: "《航空发动机整体构件特种加工新技术》", 30 June 2011 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171027 |