CN203548278U - Centrifugal fan - Google Patents
Centrifugal fan Download PDFInfo
- Publication number
- CN203548278U CN203548278U CN201320743130.5U CN201320743130U CN203548278U CN 203548278 U CN203548278 U CN 203548278U CN 201320743130 U CN201320743130 U CN 201320743130U CN 203548278 U CN203548278 U CN 203548278U
- Authority
- CN
- China
- Prior art keywords
- motor
- housing
- wind
- conducting tube
- air conducting
- 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
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 abstract description 7
- 230000006698 induction Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a centrifugal fan. The centrifugal fan comprises a shell and a motor. A wind turbine is arranged in the shell. The motor comprises a rotating shaft which penetrates through the right wall of the shell to be connected with the wind turbine. An air inlet is formed in the left end of the shell. The wind turbine comprises a left installation plate, a right installation plate, an installation hole and clack pieces. An air collection device is arranged at the air inlet and comprises an air induction piece. The installation hole is formed in the middle of the right installation plate. A tapered air guide barrel is arranged at the edge of the instillation hole and comprises a large-opening end with a larger opening and a small-opening end with a smaller opening. The large-opening end of the air guide barrel is fixed to the right installation plate. The air induction piece extends into the small-opening end of the air guide barrel. A ventilation channel is formed by the outer surface of the air guide barrel and the clack pieces. A cooling wheel is arranged on the portion, between the shell and the motor, of the rotating shaft and is sleeved with a fixed frame. One end of the fixed frame is fixed to the shell, and the other end of the fixed frame is fixed to the motor. The centrifugal fan can guide air, increases airflow velocity and is high in work efficiency.
Description
Technical field
The utility model relates to mechanical engineering field, especially relates to a kind of centrifugal blower.
Background technique
Existing centrifugal blower comprises wind wheel, motor, intake grill exhaust outlet and is located at the wind-drive device at intake grill place; The wind direction of the wind entering from intake grill is indefinite, can not all from exhaust outlet, discharge, inefficiency, part is also easy and inner walls generation noise of wind partially, though existing wind-drive device has certain collection wind effect, but it cannot meet the demand of Wind Volume blower fan to air quantity, and do not possess the effect that guides wind direction; Existing motor temperature raises fast, and motor temperature raises and easily causes machine shaft rotating speed slack-off, reduces the working efficiency of blower fan.
Model utility content
The utility model, in order to overcome the deficiencies in the prior art, provides one can guide wind direction, increases the centrifugal blower of air quantity.
To achieve these goals, the utility model by the following technical solutions: a kind of centrifugal blower, comprise housing and motor, in described housing, be provided with wind wheel, described motor comprises the rotating shaft being connected with described wind wheel through the right wall of housing; The left end of housing is provided with intake grill, and the top of housing is provided with exhaust outlet, and described wind wheel comprises left mounting plate, right mounting plate, mounting hole and limb, and described intake grill place is provided with wind-drive device, and wind-drive device comprises induced-draft plate; Described mounting hole is located at the centre of right mounting plate, and the edge of this mounting hole is provided with the air conducting tube of taper, and this air conducting tube comprises big opening end and the less osculum end of opening that opening is larger; The big opening end of air conducting tube is fixed on right mounting plate, and described induced-draft plate stretches into the osculum end of air conducting tube, and the outer surface of air conducting tube and limb form ventilation flue; Described rotating shaft is provided with cooling wheel between housing and motor, the outside sheathed row fixing frame of this cooling wheel, and one end and the housing of this fixing frame are fixed, and the other end and the motor of fixing frame are fixed.
As preferably, the big opening end edge of described air conducting tube is provided with installing ring, and described right mounting plate and installing ring corresponding part are provided with fixed hole, and installing ring is fixedly connected with right mounting plate by screw.
As preferably, described wind-drive device comprises retaining ring, and the outward edge of this retaining ring is fixed by screw and intake grill edge, and the inward flange of retaining ring is provided with projection, and described induced-draft plate is fixing by screw and projection.
In sum, the utlity model has following advantage: blower unit collection wind effect traitor is set, air conducting tube is set, and induced-draft plate is stretched into the osculum end of air conducting tube, be conducive to wind to lead, wind is introduced to exhaust outlet from ventilation flue, accelerated the flowing velocity of gas simultaneously, increase air quantity, improved the working efficiency of blower fan; This cooling wheel is set, has reduced the temperature of motor, improved the working efficiency of motor; Can mount and dismount air conducting tube, be conducive to air conducting tube to be cleared up, improve the working efficiency of blower fan.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is carried out to clear, complete description.
As shown in Figure 1, a kind of centrifugal blower, comprises housing 2 and motor 4, in described housing 2, is provided with wind wheel 6, and described motor 4 comprises the rotating shaft being connected with described wind wheel 6 through the right wall of housing 2; The left end of housing 2 is provided with intake grill, and the top of housing 2 is provided with exhaust outlet, and described wind wheel 6 comprises left mounting plate 61, right mounting plate 62, mounting hole and limb 63, and described intake grill place is provided with wind-drive device 21, and wind-drive device 21 comprises induced-draft plate 211; Described mounting hole is located at the centre of right mounting plate 62, and the edge of this mounting hole is provided with the air conducting tube 64 of taper, and this air conducting tube 64 comprises big opening end and the less osculum end of opening that opening is larger; The big opening end of air conducting tube 64 is fixed on right mounting plate 62, and described induced-draft plate 211 stretches into the osculum end of air conducting tube 64, and the outer surface of air conducting tube 64 and limb 63 form ventilation flue 65; Blower unit collection wind is set effective, air conducting tube is set, induced-draft plate is stretched into the osculum end of air conducting tube, strengthened the air quantity of introducing blower fan, can lead to wind, wind is introduced to ventilation flue, and discharge from exhaust outlet, avoid wind to impact housing, produce noise, accelerate the flowing velocity of gas simultaneously, improved the working efficiency of blower fan.
Concrete, described rotating shaft is provided with cooling wheel 5 between housing 2 and motor 3, and described rotating shaft is positioned at cooling wheel 5 places and is provided with and prevents cooling wheel 5 locating studs that move, and this cooling is taken turns 5 outer cover and is provided with fixing frame 8, one end of this fixing frame 8 and housing 2 are fixing, and the other end of fixing frame 8 and motor 3 are fixing; This cooling wheel is set, has reduced the temperature of motor, improved the working efficiency of motor.
Further, the big opening end edge of described air conducting tube 64 is provided with installing ring, described right mounting plate 62 is provided with fixed hole with installing ring corresponding part, installing ring is fixedly connected with right mounting plate 62 by screw, can mount and dismount air conducting tube, be conducive to air conducting tube to be cleared up, improved working efficiency.
Described wind-drive device 21 comprises retaining ring 22, the outward edge of this retaining ring 22 is fixed by screw and intake grill edge, the inward flange of retaining ring 22 is provided with projection, described induced-draft plate is fixing by screw and projection, the wind-drive device easy installation and removal of this setting, be conducive to wind-drive device to be cleared up, avoid the dust and other impurities on wind-drive device to enter blower fan, affect the working efficiency of blower fan.
Obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all should belong to the scope of the utility model protection.
Claims (3)
1. a centrifugal blower, comprise housing (2) and motor (4), in described housing (2), be provided with wind wheel (6), described motor (4) comprises the rotating shaft being connected with described wind wheel (6) through the right wall of housing (2); The left end of housing (2) is provided with intake grill, the top of housing (2) is provided with exhaust outlet, described wind wheel (6) comprises left mounting plate (61), right mounting plate (62), mounting hole and limb (63), it is characterized in that: described intake grill place is provided with wind-drive device (21), wind-drive device (21) comprises induced-draft plate (211); Described mounting hole is located at the centre of right mounting plate (62), and the edge of this mounting hole is provided with the air conducting tube of taper (64), and this air conducting tube (64) comprises big opening end and the less osculum end of opening that opening is larger; The big opening end of air conducting tube (64) is fixed on right mounting plate (62), described induced-draft plate (211) stretches into the osculum end of air conducting tube (64), and the outer surface of air conducting tube (64) and limb (63) form ventilation flue (65); Described rotating shaft is positioned at and between housing (2) and motor (3), is provided with cooling wheel (5), this cooling wheel (5) outer cover is provided with fixing frame (8), one end of this fixing frame (8) and housing (2) are fixing, and the other end of fixing frame (8) and motor (3) are fixing.
2. centrifugal blower according to claim 1, it is characterized in that: the big opening end edge of described air conducting tube (64) is provided with installing ring, described right mounting plate (62) is provided with fixed hole with installing ring corresponding part, and installing ring is fixedly connected with right mounting plate (62) by screw.
3. centrifugal blower according to claim 2, it is characterized in that: described wind-drive device (21) comprises retaining ring (22), the outward edge of this retaining ring (22) is fixed by screw and intake grill edge, the inward flange of retaining ring (22) is provided with projection, and described induced-draft plate (211) is fixing by screw and projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743130.5U CN203548278U (en) | 2013-11-14 | 2013-11-14 | Centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743130.5U CN203548278U (en) | 2013-11-14 | 2013-11-14 | Centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548278U true CN203548278U (en) | 2014-04-16 |
Family
ID=50466402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320743130.5U Expired - Fee Related CN203548278U (en) | 2013-11-14 | 2013-11-14 | Centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203548278U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841597A (en) * | 2015-06-12 | 2015-08-19 | 梁展辉 | Environment-friendly energy-saving fog gun |
| CN106351857A (en) * | 2016-10-17 | 2017-01-25 | 西安科技大学 | Novel dust removing centrifugal fan |
-
2013
- 2013-11-14 CN CN201320743130.5U patent/CN203548278U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841597A (en) * | 2015-06-12 | 2015-08-19 | 梁展辉 | Environment-friendly energy-saving fog gun |
| CN104841597B (en) * | 2015-06-12 | 2018-06-19 | 广东科华环境设备有限公司 | Environment-friendly and energy-efficient fog gun |
| CN106351857A (en) * | 2016-10-17 | 2017-01-25 | 西安科技大学 | Novel dust removing centrifugal fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103629128B (en) | A kind of Silent fan | |
| CN202374120U (en) | Cooler for enclosed motor | |
| CN206207687U (en) | A kind of induced draft structure of cabinet air-conditioner | |
| CN203548278U (en) | Centrifugal fan | |
| CN105276650A (en) | Range hood with auxiliary air inlet function | |
| CN202083051U (en) | Outdoor unit of air conditioner | |
| CN204074193U (en) | A kind of shredder worked long hours | |
| CN203560120U (en) | Fan with large air volume | |
| CN102840170B (en) | A kind of large centrifugal fan intake grill flow guide device | |
| CN205316611U (en) | Be applied to air duct device of clarifier | |
| CN104534494B (en) | Mixed flow fan type integrated dust remover | |
| CN202821197U (en) | Axial flow guide impeller of vacuum cleaner | |
| CN204258517U (en) | A kind of low noise hollow cooler | |
| CN212959185U (en) | Mounting structure of fan and dust catcher of using thereof | |
| CN203548359U (en) | Efficient blower fan | |
| CN205019853U (en) | Wall -mounted type air purifier | |
| CN204800466U (en) | Tooth case drive mechanism of angle mill | |
| CN201964545U (en) | Novel air outlet mesh enclosure of outdoor air-conditioner | |
| CN202840823U (en) | Ventilation device for open frequency conversion motor | |
| CN202485116U (en) | Low-static-pressure air-duct-type air conditioner indoor unit | |
| CN203560118U (en) | Centrifugal fan | |
| CN206054337U (en) | A kind of low-resistance Centrafugal roof fan | |
| CN208890537U (en) | A kind of dust-proof increasing wind turbine fan housing | |
| CN205190353U (en) | Take axial fan of guide plate | |
| CN203362643U (en) | Muting wind channel of air purifier |
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 |
Granted publication date: 20140416 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |