CN211230924U - Square-disc-drum axial-flow fan - Google Patents
Square-disc-drum axial-flow fan Download PDFInfo
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- CN211230924U CN211230924U CN201922389128.2U CN201922389128U CN211230924U CN 211230924 U CN211230924 U CN 211230924U CN 201922389128 U CN201922389128 U CN 201922389128U CN 211230924 U CN211230924 U CN 211230924U
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- air duct
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Abstract
The utility model provides a square disc cylinder type axial flow fan, which comprises a square disc, wherein the square disc is connected with a bolt at the edge of an inlet end of an air cylinder, and the edge of an outlet end of the air cylinder is connected with a bolt of a protective net; the fan is characterized in that a motor is arranged in the air duct, the motor is arranged in a motor flange, the motor flange is fixedly connected with the air duct through a support frame and a full screw rod, a rotating shaft of the motor is fixedly connected with an impeller, and the middle part of the impeller is connected with a fairing through a bolt; and the outer wall of the air duct is connected with a junction box through bolts. The utility model discloses a dryer and square plate bolted connection have effectively avoided the dryer and the square plate deformation that the welding brought, and have guaranteed the intensity after the ventilation blower installation, have simple structure, move stably, environmental protection and be convenient for maintain's characteristics. The impeller main part is high strength aluminum alloy integrated casting shaping, has guaranteed that the intensity of impeller can satisfy the vibration impact requirement.
Description
Technical Field
The utility model relates to a square disc cylinder axial-flow fan belongs to the fluid machinery field.
Background
At present, many ventilators matched with refrigeration equipment and air conditioning equipment require to be provided with square disc structures, original air ducts and square discs are of welded structures, operation is not simple and convenient, working hours are long, gaps can be generated after the air ducts and the square discs are welded, and manufacturability is not strong. According to the use requirement, the ventilator has beautiful appearance, and the impeller needs to be conveniently detached and maintained; the ventilator has high integral strength requirement, reduces environmental pollution according to the national environmental protection requirement, and the welding structure of the air duct and the square disc does not meet the requirement and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, an object of the present invention is to provide a square-disk cylinder type axial-flow fan, for realizing the above object, the utility model discloses the technical scheme who takes is:
a square disc cylinder type axial flow fan comprises a square disc, wherein the square disc is in bolted connection with the edge of the inlet end of an air cylinder, and the edge of the outlet end of the air cylinder is in bolted connection with a protective net; the fan is characterized in that a motor is arranged in the air duct, the motor is arranged in a motor flange, the motor flange is fixedly connected with the air duct through a support frame and a full screw rod, a rotating shaft of the motor is fixedly connected with an impeller, and the middle part of the impeller is connected with a fairing through a bolt; and the outer wall of the air duct is connected with a junction box through bolts.
Preferably, the entrance point of dryer is the loudspeaker form, and its edge is equipped with the dryer flange, the four sides of dryer flange correspond with the four sides of square plate, flange hole quantity on the dryer flange is 16, is located 8 that are close to dryer flange four sides border evenly distributed respectively and is located 8 of the edge of dryer entrance point, and 8 that wherein are located the edge of dryer entrance point are two liang of a set of evenly distributed, the flange hole on the square plate should set up with the flange pore on the dryer flange, the flange pore that corresponds on 8 flange pores on the dryer entrance edge and the square plate passes through bolt fixed connection.
Furthermore, the air duct is integrally formed by spinning a steel plate.
Preferably, the impeller comprises a blade, a hub and a shaft sleeve, the blade and the hub are of an aluminum alloy integral casting structure, and the shaft sleeve is fixedly installed in the middle of the hub.
Further, the blades and the hub are in the original color of the cast aluminum alloy.
Furthermore, the fairing is an aluminum plate integrated profiling mold, the surface of the fairing is stainless steel primary color, and the fairing is connected with the hub through bolts.
Preferably, the shell of the motor is formed by casting aluminum alloy.
Preferably, the motor is a three-phase asynchronous motor, and the rotating speed is 1450 r/min.
Preferably, the edge of the outlet end of the air duct is provided with a flange hole, and the protective net is connected with the flange hole on the edge of the outlet end of the air duct through a bolt.
Preferably, the unilateral clearance between the air duct and the impeller is 1.5-3 mm.
The utility model discloses a dryer and square plate bolted connection have effectively avoided the dryer and the square plate deformation that the welding brought, and have guaranteed the intensity after the ventilation blower installation, have simple structure, move stably, environmental protection and be convenient for maintain's characteristics. The impeller main part is high strength aluminum alloy integrated casting shaping, has guaranteed that the intensity of impeller can satisfy the vibration impact requirement.
Drawings
Fig. 1 is a schematic structural view of a square disc drum type axial flow fan of the present invention.
Fig. 2 is an exploded view of a square-disk barrel type axial-flow fan according to the present invention.
Fig. 3 is a schematic structural diagram of the impeller of the present invention.
In the figure: 1. a square plate; 2. an air duct; 3. a protective net; 4. a motor; 5. a support frame; 6. a full-lead screw; 7. an impeller; 701. a blade; 702. a hub; 703. a shaft sleeve; 8. a cowling; 9. a junction box; 10. a wind barrel flange; 11. and (4) flange holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a square disc barrel type axial flow fan comprises a square disc 1, wherein the square disc 1 is connected with an edge of an inlet end of an air duct 2 through a bolt, and an edge of an outlet end of the air duct 2 is connected with a protective net 3 made of stainless steel through a bolt; the fan drum is characterized in that a motor 4 is arranged in the fan drum 2, the motor 4 is installed in a motor flange, the motor flange is fixedly connected with the fan drum 2 through a support frame 5 and a full screw rod 6, the support frame 5 is connected with the motor flange through a bolt, the support frame 5 is connected with the fan drum 2 through a bolt, a thread of the full screw rod 6 is screwed into a threaded hole of the motor flange, and the other end of the full screw rod is fixed with the fan drum 2 through a nut and a gasket; a rotating shaft of the motor 4 is fixedly connected with an impeller 7, and the middle part of the impeller 7 is connected with a fairing 8 through a bolt; and the outer wall of the air duct 2 is connected with a junction box 9 through bolts. The square plate 1 is of a double-layer structure formed by bending and blanking as a whole, and the strength of the square plate 1 is increased. The unilateral clearance between the air duct 2 and the impeller 7 is 1.5-3mm, and the air flow passes through the air duct uniformly, so that the performance of the ventilator is improved, and the noise is reduced.
The entrance point of dryer 2 is the loudspeaker form, ensures that the air inlet condition is good, reduces the air resistance, and increase air inlet area improves the air inlet condition, and its edge is equipped with dryer flange 10, the four sides of dryer flange 10 correspond with the four sides of square plate 1, flange hole quantity on the dryer flange 10 is 16, is located 8 that are close to dryer flange 10 four sides border evenly distributed respectively and is located 8 of the edge of dryer 2 entrance point, wherein is located 8 of the edge of dryer 2 entrance point and is two liang of a set of evenly distributed, the flange hole on the square plate 1 corresponds the setting with the flange hole on the dryer flange 10, 8 flange holes on the dryer 2 import end edge pass through bolt fixed connection with the flange hole that corresponds on the square plate 1. The air duct 2 is formed by integrally spinning steel plates, and the process is simple to operate, attractive and practical. The corresponding flange holes in the positions of the four corners of the air duct flange 10 and the square disc 1 are client mounting holes, when a client installs the whole ventilator, the air duct 2 can be fixed on an equipment frame of the client at the same time, and vibration caused by the fact that the client supports the fan by the square disc 1 is avoided.
The impeller 7 comprises a blade 701, a hub 702 and a shaft sleeve 703, wherein the blade 701 and the hub 702 are of an aluminum alloy integral casting structure, and the shaft sleeve 703 is fixedly installed in the middle of the hub 702. The number and the installation angle of the blades 701 can be adjusted, and the assembling process is simple and convenient and easy to operate. The blades 701 and the hub 702 are made of cast aluminum alloy in the original color, surface treatment is not needed, and environmental pollution is reduced.
The fairing 8 is an aluminum plate integrated profiling mold, the surface of the fairing is stainless steel primary color, surface treatment is not needed, and environmental pollution is reduced, and the fairing 8 is connected with the hub 702 through bolts.
The shell and the motor flange of the motor 4 are formed by casting aluminum alloy, the axial size of the motor 4 is short, the axial distance of the whole ventilator is effectively shortened, the surface is attractive, the fan is practical and is particularly suitable for the food industry. The motor 4 is a three-phase asynchronous motor, the rotating speed is 1450r/min, and the vibration at a rated working condition point is less than 4.6 mm/s.
The edge of the outlet end of the air duct 2 is provided with a flange hole, and the protective net 3 is connected with the flange hole at the edge of the outlet end of the air duct 2 through a bolt.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A square disc cylinder type axial flow fan is characterized in that: the fan comprises a square disc, wherein the square disc is in bolted connection with the edge of the inlet end of an air duct, and the edge of the outlet end of the air duct is in bolted connection with a protective net; the fan is characterized in that a motor is arranged in the air duct, the motor is arranged in a motor flange, the motor flange is fixedly connected with the air duct through a support frame and a full screw rod, a rotating shaft of the motor is fixedly connected with an impeller, and the middle part of the impeller is connected with a fairing through a bolt; and the outer wall of the air duct is connected with a junction box through bolts.
2. The square-plate-drum-type axial-flow fan according to claim 1, characterized in that: the entrance point of dryer is the loudspeaker form, and its edge is equipped with the dryer flange, the four sides of dryer flange correspond with the four sides of square plate, flange hole quantity on the dryer flange is 16, is located 8 that are close to dryer flange four sides border evenly distributed respectively and is located 8 of the edge of dryer entrance point, and 8 that wherein are located the edge of dryer entrance point are two liang of a set of evenly distributed, the flange hole on the square plate should set up with the flange hole on the dryer flange, the flange hole that corresponds on 8 flange holes on dryer entrance edge and the square plate passes through bolt fixed connection.
3. The square-plate-drum-type axial-flow fan according to claim 1, characterized in that: the impeller comprises blades, a hub and a shaft sleeve, the blades and the hub are of an aluminum alloy integral casting structure, and the shaft sleeve is fixedly installed in the middle of the hub.
4. A square-disk axial-flow fan according to claim 3, wherein: the blades and the hub are cast aluminum alloy in the original color.
5. A square-disk axial-flow fan according to claim 3, wherein: the fairing is an aluminum plate integrated profiling mold, the surface of the fairing is stainless steel primary color, and the fairing is connected with the hub through bolts.
6. The square-plate-drum-type axial-flow fan according to claim 1, characterized in that: the shell of the motor is formed by casting aluminum alloy.
7. The square-plate-drum-type axial-flow fan according to claim 1, characterized in that: the motor is a three-phase asynchronous motor, and the rotating speed is 1450 r/min.
8. The square-plate-drum-type axial-flow fan according to claim 1, characterized in that: the edge of the outlet end of the air duct is provided with a flange hole, and the protective net is connected with the flange hole on the edge of the outlet end of the air duct through a bolt.
9. The square-plate-drum-type axial-flow fan according to claim 1, characterized in that: and the unilateral clearance between the air duct and the impeller is 1.5-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389128.2U CN211230924U (en) | 2019-12-27 | 2019-12-27 | Square-disc-drum axial-flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389128.2U CN211230924U (en) | 2019-12-27 | 2019-12-27 | Square-disc-drum axial-flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211230924U true CN211230924U (en) | 2020-08-11 |
Family
ID=71931306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922389128.2U Active CN211230924U (en) | 2019-12-27 | 2019-12-27 | Square-disc-drum axial-flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211230924U (en) |
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2019
- 2019-12-27 CN CN201922389128.2U patent/CN211230924U/en active Active
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