CN204299904U - A kind of blower fan - Google Patents
A kind of blower fan Download PDFInfo
- Publication number
- CN204299904U CN204299904U CN201420766878.1U CN201420766878U CN204299904U CN 204299904 U CN204299904 U CN 204299904U CN 201420766878 U CN201420766878 U CN 201420766878U CN 204299904 U CN204299904 U CN 204299904U
- Authority
- CN
- China
- Prior art keywords
- impeller
- dish
- blower fan
- travel axis
- lattice dish
- Prior art date
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Abstract
The utility model discloses a kind of blower fan, comprise travel axis, impeller and lattice dish, described travel axis is fixedly connected with impeller, described impeller is provided with more than a slice, described lattice dish is located at outside impeller, described travel axis rear and front end is provided with front-end bearing pedestal and rear bearing block, described front-end bearing pedestal is fixedly connected with rear bearing block dative dish, described lattice dish is provided with air intake casing, exhaust casing and connecting rod, described air intake casing and exhaust casing are located at the two ends of lattice dish, described air intake casing and exhaust casing surface are provided with seal ring, described connecting rod dative dish is fixedly connected with, base is provided with below described lattice dish, described base establishes more than one, described base is provided with mounting hole, the utility model compact structure, operate steadily safety, noise is low, ventilation efficiency is high.
Description
Technical field
The utility model relates to a kind of blower fan.
Background technique
Blower fan is mainly used in metallurgy, petrochemical industry, electric power, urban track traffic, weaving, the ventilation in all fields of national economies such as boats and ships and various place, except traditional application, fully utilizes at gangue, the technological transformation of new dry process grog, will there be larger development prospect in the fields, more than 20 market potential such as the energy-conservation and comprehensive utilization of resources of metallurgical industry, blower fan is that the custom of China to gas compression and gas conveying machinery is called for short, usually said blower fan comprises ventilator, blower, wind-driven generator, gas compression and gas conveying machinery are that the mechanical energy rotated is converted to gas pressure energy and kinetic energy, and the machinery that gas is transferred out, the main structural components of blower fan is impeller, casing, intake grill, support, motor, belt pulley, coupling, baffler, driving component (bearing) etc., when blower fan is just started working, the vibration of bearing portion is very little, but along with the lengthening of running time, what in blower fan, dust can be uneven is attached on impeller, destroy the dynamic balancing of blower fan gradually, bear vibration is strengthened gradually, the maximum value 11mm/s (maximum permissible value represented with vibration amplitude is as follows) of blower fan permission is reached once vibration, blower fan must be shut down repairing and (be removed dust accumulation, to reform dynamic balancing), Unpowered ventilation machine is the air thermoconvection utilizing natural wind and indoor and outdoor temperature difference to cause, promote turbine rotate thus utilize centrifugal force and underbalance effect to be discharged by stale for indoor hot air, blower fan is related to the transmission & distribution energy consumption of system, it is the very crucial part of building energy conservation, according to national air-conditioning equipment Quality Supervision and Inspection Center for many years aerator supervision show that a lot of blower fan all has problems under declared working condition, therefore need to require to produce and manufacture blower fan in strict accordance with product standard, blower fan comprises ventilator, turbo blower, Roots blower and turbocompressor, divide in detail and comprise centrifugal compressor, Axial Flow Compressor, centrifugal blower, Roots blower, centrifugal fan, the large class of axial fan and Jaeger blower etc. 7.
Existing blower fan operationally produces larger noise, has influence on normal production, runs with unstable.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of compact structure, and operate steadily safety, and noise is low, the blower fan that ventilation efficiency is high.
For solving the problem, the utility model adopts following technological scheme:
A kind of blower fan, comprise travel axis, impeller and lattice dish, described travel axis is fixedly connected with impeller, described impeller is provided with more than a slice, described lattice dish is located at outside impeller, impeller makes axial force be reduced to minimum level, efficient impeller, through quiet dynamic balance calibration, complete machine is operated steadily, described travel axis rear and front end is provided with front-end bearing pedestal and rear bearing block, the noise produced when using has been isolated in the setting of lattice dish greatly, without any mechanical friction, adopt reasonable blade-shaped line that sound is reduced to minimum, described front-end bearing pedestal is fixedly connected with rear bearing block dative dish, described lattice dish is provided with air intake casing, exhaust casing and connecting rod, described air intake casing and exhaust casing are located at the two ends of lattice dish, described air intake casing and exhaust casing surface are provided with seal ring, seal ring can prevent gas leakage, described connecting rod dative dish is fixedly connected with, base is provided with below described lattice dish, described base establishes more than one, described base is provided with mounting hole, convenient installation.
As preferably, be provided with U-type groove in described lattice dish, can not come in contact when vane rotary, decrease the generation of noise.
As preferably, described U-type groove side is provided with heat dissipating pipe, can play the effect of heat radiation, safety during maintenance work.
As preferably, described front-end bearing pedestal and travel axis are rotationally connected, and travel axis can be rotated fast.
As preferably, described rear bearing block and travel axis are rotationally connected, and travel axis can be rotated fast.
This technological scheme has compact structure, and operate steadily safety, and noise is low, the feature that ventilation efficiency is high
The beneficial effects of the utility model are: the impeller of setting makes axial force be reduced to minimum level, efficient impeller, through quiet dynamic balance calibration, complete machine is operated steadily, the noise produced when using has been isolated in the setting of lattice dish greatly, without any mechanical friction, adopt reasonable blade-shaped line that sound is reduced to minimum, seal ring can prevent gas leakage, heat dissipating pipe, the effect of heat radiation can be played, safety during maintenance work.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural drawing of a kind of blower fan of the present utility model.
Embodiment
Consult shown in Fig. 1, a kind of blower fan, comprise travel axis 1, impeller 2 and lattice dish 3, described travel axis 1 is fixedly connected with impeller 2, described impeller 2 is provided with more than a slice, described lattice dish 3 is located at outside impeller 2, in use, travel axis 1 is connected with motor, can impeller 2 rotate when travel axis 1 rotates, impeller 2 makes the air circulation in lattice dish 3, described travel axis 1 rear and front end is provided with front-end bearing pedestal 4 and rear bearing block 5, described front-end bearing pedestal 4 is fixedly connected with rear bearing block 5 dative dish, described lattice dish 3 is provided with air intake casing 6, exhaust casing 7 and connecting rod 8, described air intake casing 6 and exhaust casing 7 are located at the two ends of lattice dish 3, described air intake casing 6 and exhaust casing 7 surface are provided with seal ring 9, in use, gas can enter from air intake casing 6, discharge from exhaust casing 7, seal ring 9 can prevent the leakage of gas, described connecting rod 8 dative dish 3 is fixedly connected with, base 10 is provided with below described lattice dish 3, described base establishes more than one, described base 10 is provided with mounting hole 11.
Be provided with U-type groove 12 in described lattice dish 3, in use, type groove 12 makes impeller 2 rotate enough spaces.
Described U-type groove 12 side is provided with heat dissipating pipe 13, keeps blower fan temperature operationally normal.
Described front-end bearing pedestal and travel axis are rotationally connected, and frictional force when keeping impeller 2 to rotate is less.
Described rear bearing block and travel axis are rotationally connected, and frictional force when keeping impeller 2 to rotate is less.
In use, travel axis 1 is connected with motor, and can impeller 2 rotate when travel axis 1 rotates, impeller 2 makes the air circulation in lattice dish 3, and gas can enter from air intake casing 6, discharges from exhaust casing 7, and seal ring 9 can prevent the leakage of gas.
The beneficial effects of the utility model are: the impeller of setting makes axial force be reduced to minimum level, efficient impeller, through quiet dynamic balance calibration, complete machine is operated steadily, the noise produced when using has been isolated in the setting of lattice dish greatly, without any mechanical friction, adopt reasonable blade-shaped line that sound is reduced to minimum, seal ring can prevent gas leakage, heat dissipating pipe, the effect of heat radiation can be played, safety during maintenance work.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any change of expecting without creative work or replacement; all should be encompassed within protection domain of the present utility model; therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (5)
1. a blower fan, it is characterized in that: comprise travel axis, impeller and lattice dish, described travel axis is fixedly connected with impeller, described impeller is provided with more than a slice, described lattice dish is located at outside impeller, described travel axis rear and front end is provided with front-end bearing pedestal and rear bearing block, described front-end bearing pedestal is fixedly connected with rear bearing block dative dish, described lattice dish is provided with air intake casing, exhaust casing and connecting rod, described air intake casing and exhaust casing are located at the two ends of lattice dish, described air intake casing and exhaust casing surface are provided with seal ring, described connecting rod dative dish is fixedly connected with, base is provided with below described lattice dish, described base establishes more than one, described base is provided with mounting hole.
2. blower fan according to claim 1, is characterized in that: be provided with U-type groove in described lattice dish.
3. blower fan according to claim 2, is characterized in that: described U-type groove side is provided with heat dissipating pipe.
4. blower fan according to claim 1, is characterized in that: described front-end bearing pedestal and travel axis are rotationally connected.
5. blower fan according to claim 4, is characterized in that: described rear bearing block and travel axis are rotationally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766878.1U CN204299904U (en) | 2014-12-09 | 2014-12-09 | A kind of blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766878.1U CN204299904U (en) | 2014-12-09 | 2014-12-09 | A kind of blower fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204299904U true CN204299904U (en) | 2015-04-29 |
Family
ID=53105448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420766878.1U Expired - Fee Related CN204299904U (en) | 2014-12-09 | 2014-12-09 | A kind of blower fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204299904U (en) |
-
2014
- 2014-12-09 CN CN201420766878.1U patent/CN204299904U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150429 Termination date: 20161209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |