CN218407826U

CN218407826U - Air inlet protective structure of magnetic suspension centrifugal fan

Info

Publication number: CN218407826U
Application number: CN202222841970.7U
Authority: CN
Inventors: 陆春峰; 王可冰
Original assignee: Huaneng Jinan Huangtai Power Generation Co Ltd
Current assignee: Huaneng Jinan Huangtai Power Generation Co Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-01-31
Anticipated expiration: 2032-10-27

Abstract

The utility model belongs to the technical field of centrifugal fan's air inlet protection, especially, magnetic suspension centrifugal fan's air inlet protective structure, dustproof construction to the air inlet protective structure setting of prior art does not have self-cleaning's function, and the clear problem of convenient to detach, the following scheme is proposed now, it includes the bottom plate, the top of bottom plate is provided with the support column, the top of support column is provided with magnetic suspension centrifugal fan, magnetic suspension centrifugal fan's left side is the air inlet, the last intercommunication of magnetic suspension centrifugal fan has a tuber pipe, be provided with the bracing piece on magnetic suspension centrifugal fan's the left side inner wall, be provided with wind-force rotary mechanism on the bracing piece, be connected with clean mechanism on the wind-force rotary mechanism, magnetic suspension centrifugal fan's left side is provided with the dirt proof ring, be provided with a plurality of welding poles on the inner wall of dirt proof ring. The utility model discloses can be automatically clean the dust screen, it is clean to conveniently dismantle the dust screen simultaneously.

Description

Air inlet protective structure of magnetic suspension centrifugal fan

Technical Field

The utility model relates to a centrifugal fan's air inlet protection technical field especially relates to a magnetic suspension centrifugal fan's air inlet protective structure.

Background

The magnetic suspension centrifugal fan is a machine which increases gas pressure and discharges gas by means of input mechanical energy, is a driven fluid machine, and is disclosed (announced) in the following publication: CN215486699U provides a magnetic suspension high-speed centrifugal fan, which comprises a body, the air intake with go out the tuber pipe, be provided with on the inner wall of body and fall the structure of making an uproar, it includes the first layer of making an uproar of falling to fall the structure of making an uproar, the second falls the layer of making an uproar and amortization piece, the first layer of making an uproar of falling sets up on the inner wall of body, one side of body is provided with the air intake, one side of air intake is provided with dustproof construction, the top of body one side is provided with out the tuber pipe, the outside that goes out the tuber pipe is provided with connection structure, the top that goes out the tuber pipe is provided with the connecting pipe, the bottom of body is provided with the support column, and the bottom of support column is provided with the backup pad.

The dust-proof structure is driven to be used for protecting the air inlet according to the patent, but has some problems: the dustproof structure who sets up does not have self-cleaning's function, and convenient to detach is clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect of the prior art and is characterized in that: the dustproof structure that prior art air inlet protective structure set up does not have self-cleaning's function, and the clear shortcoming of convenient to detach.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an air inlet protective structure of magnetic suspension centrifugal fan, comprising a base plate, the top of bottom plate is provided with the support column, the top of support column is provided with magnetic suspension centrifugal fan, magnetic suspension centrifugal fan's left side is the air inlet, the last intercommunication of magnetic suspension centrifugal fan has out the tuber pipe, be provided with the bracing piece on magnetic suspension centrifugal fan's the left side inner wall, be provided with wind-force rotary mechanism on the bracing piece, the last clean mechanism that is connected with of wind-force rotary mechanism, magnetic suspension centrifugal fan's left side is provided with the dirt ring, be provided with a plurality of welding poles on the inner wall of dirt ring, install same circle piece between a plurality of welding poles, be provided with the dust screen between circle piece and the dirt ring, clean mechanism rotates and installs on the circle piece.

Preferably, the wind power rotating mechanism comprises a wind power shaft, the wind power shaft is rotatably mounted on the support rod, and the inner end of the wind power shaft is provided with the fan blades.

Preferably, the cleaning mechanism comprises a cleaning shaft, the cleaning shaft is rotatably mounted on the round block, a polygonal conical head is mounted at the inner end of the cleaning shaft, a connecting block is mounted at the end of the wind shaft, a polygonal conical groove is formed in the connecting block, and the polygonal conical head is matched with the polygonal conical groove.

Preferably, the cleaning rod is installed on the outer side of the cleaning shaft, a plurality of bristles are arranged on the cleaning rod, the bristles are matched with the dust screen, and a pull ring is fixedly installed on the cleaning rod.

Preferably, two rectangular poles are installed to the inboard of dirt-proof ring, have seted up two rectangular holes on the bracing piece, and rectangular pole and rectangular hole swing joint have seted up the elasticity groove on the inner wall of rectangular hole, and slidable mounting has a rectangular pole in the elasticity groove, installs same spring between rectangular pole and the elasticity groove, has seted up the dovetail groove on the rectangular pole, and the end of rectangular pole is the hypotenuse groove, rectangular pole and the two-way joint of dovetail groove.

Compared with the prior art, the utility model has the advantages of:

according to the scheme, external air is subjected to dustproof filtration through the dustproof net on the inner side of the dustproof ring, airflow impacts the fan blades to rotate, the fan blades drive the wind power shaft to rotate, the wind power shaft drives the cleaning shaft to rotate through the polygonal conical grooves and the polygonal conical heads on the connecting blocks, the cleaning shaft drives the cleaning rod to rotate, the cleaning rod does annular motion to drive the bristles to clean the surface of the dustproof net, and automatic cleaning of the dustproof net is achieved;

when the dustproof net needs to be disassembled, the cleaning shaft is pulled outwards to drive the dustproof ring and the dustproof net to leave the air inlet of the magnetic suspension centrifugal fan, the dustproof ring drives the two rectangular rods to move, the locking rods leave the corresponding trapezoidal grooves, the fixation of the dustproof ring is released, and the dustproof net is convenient to disassemble and clean;

the utility model discloses can clean the dust screen outside automatically, clean the dust in the dust screen outside, it is clean to conveniently dismantle the dust screen simultaneously.

Drawings

Fig. 1 is a schematic structural view of an air inlet protection structure of a magnetic suspension centrifugal fan according to the present invention;

fig. 2 is a schematic structural view of a portion a in fig. 1 according to the present invention;

fig. 3 is a schematic structural view of a portion B in fig. 1 according to the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the dust-proof ring, the round block, the dust-proof net and the welding rod provided by the present invention.

In the figure: 1. magnetic suspension centrifugal fan; 2. a support pillar; 3. a base plate; 4. an air outlet pipe; 5. a dust ring; 6. a support bar; 7. a wind axis; 8. a fan blade; 9. an elastic groove; 10. a spring; 11. a locking lever; 12. a trapezoidal groove; 13. connecting blocks; 14. a polygonal conical groove; 15. a polygonal conical head; 16. cleaning the shaft; 17. a cleaning rod; 18. brushing; 19. welding a rod; 20. a round block; 21. a dust screen; 22. a rectangular hole; 23. a rectangular bar.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Referring to fig. 1-4, an air inlet protection structure of a magnetic suspension centrifugal fan comprises a bottom plate 3, a support column 2 is arranged at the top of the bottom plate 3, a magnetic suspension centrifugal fan 1 is arranged at the top of the support column 2, an air inlet is formed in the left side of the magnetic suspension centrifugal fan 1, an air outlet pipe 4 is communicated with the magnetic suspension centrifugal fan 1, a support rod 6 is arranged on the inner wall of the left side of the magnetic suspension centrifugal fan 1, a wind power rotating mechanism is arranged on the support rod 6 and connected with a cleaning mechanism, a dust-proof ring 5 is arranged on the left side of the magnetic suspension centrifugal fan 1, a plurality of welding rods 19 are arranged on the inner wall of the dust-proof ring 5, a same round block 20 is installed among the plurality of welding rods 19, a dust-proof net 21 is arranged between the round block 20 and the dust-proof ring 5, the dust-proof net 21 is used for preventing dust, and the cleaning mechanism is rotatably installed on the round block 20.

Referring to fig. 1, in the present embodiment, the wind power rotating mechanism includes a wind power shaft 7, the wind power shaft 7 is rotatably mounted on a support rod 6, and a fan blade 8 is mounted at an inner end of the wind power shaft 7; the airflow impacts the fan blades 8 to rotate, and the fan blades 8 drive the wind shaft 7 to rotate.

Referring to fig. 3, in the embodiment, the cleaning mechanism includes a cleaning shaft 16, the cleaning shaft 16 is rotatably mounted on a circular block 20, a polygonal conical head 15 is mounted at the inner end of the cleaning shaft 16, a connecting block 13 is mounted at the end of the wind power shaft 7, a polygonal conical groove 14 is formed in the connecting block 13, and the polygonal conical head 15 is matched with the polygonal conical groove 14; the polygonal conical head 15 is connected with the polygonal conical groove 14, and the cleaning shaft 16 is driven to rotate through the wind shaft 7 and the connecting block 13.

Referring to fig. 3, in the present embodiment, a cleaning rod 17 is installed outside the cleaning shaft 16, a plurality of bristles 18 are arranged on the cleaning rod 17, the bristles 18 are matched with a dust screen 21, and a pull ring is fixedly installed on the cleaning rod 17; the dust screen 21 is flush with the round block 20.

Referring to fig. 2, in this embodiment, two rectangular rods 23 are installed on the inner side of the dust ring 5, two rectangular holes 22 are formed in the support rod 6, the rectangular rods 23 are movably connected with the rectangular holes 22, an elastic groove 9 is formed in the inner wall of each rectangular hole 22, the rectangular rods 23 are slidably installed in the elastic grooves 9, the same spring 10 is installed between each rectangular rod 23 and the corresponding elastic groove 9, a trapezoidal groove 12 is formed in each rectangular rod 23, the end of each rectangular rod 23 is an oblique groove, and the rectangular rods 23 are bidirectionally clamped with the trapezoidal grooves 12; the rectangular bar 23 can be fixed to the support bar 6 by the spring 10 providing the locking bar 11 with an elastic force into the trapezoidal groove 12.

The working principle is that when the magnetic suspension centrifugal fan 1 works, air is fed through the left side and is discharged through the air outlet pipe 4, outside air is subjected to dustproof filtration through the dustproof net 21 on the inner side of the dustproof ring 5, airflow impacts the fan blades 8 to rotate, the fan blades 8 drive the wind shaft 7 to rotate, the wind shaft 7 drives the cleaning shaft 16 to rotate through the polygonal conical grooves 14 and the polygonal conical heads 15 on the connecting blocks 13, the cleaning shaft 16 drives the cleaning rods 17 to rotate, the cleaning rods 17 do annular motion to drive the bristles 18 to clean the surface of the dustproof net 21, and automatic cleaning of the dustproof net 21 is realized;

when needing to dismantle dust screen 21, the clean axle 16 of outside pulling drives dust ring 5 and dust screen 21 and leaves the air inlet of magnetic suspension centrifugal fan 1, dust ring 5 drives two rectangular poles 23 and removes, locking lever 11 leaves corresponding dovetail groove 12, remove the fixed to dust ring 5, it is clean to conveniently dismantle dust screen 21, during the reinstallation, rectangular pole 23 inserts the rectangular hole 22 that corresponds, it can in dovetail groove 12 to provide elasticity entering for locking lever 11 through spring 10, all structures in this application all can carry out the selection of material and length according to the in-service use condition, the drawing is the schematic structure picture, concrete actual dimension can make appropriate adjustment.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides an air inlet protective structure of magnetic suspension centrifugal fan, includes bottom plate (3), and the top of bottom plate (3) is provided with support column (2), and the top of support column (2) is provided with magnetic suspension centrifugal fan (1), and the left side of magnetic suspension centrifugal fan (1) is the air inlet, and the intercommunication has out tuber pipe (4) on magnetic suspension centrifugal fan (1), its characterized in that, be provided with bracing piece (6) on the left side inner wall of magnetic suspension centrifugal fan (1), be provided with wind-force rotary mechanism on bracing piece (6), be connected with clean mechanism on the wind-force rotary mechanism, the left side of magnetic suspension centrifugal fan (1) is provided with dirt-proof ring (5), is provided with a plurality of welding poles (19) on the inner wall of dirt-proof ring (5), installs same circle piece (20) between a plurality of welding poles (19), is provided with dust screen (21) between circle piece (20) and dirt-proof ring (5), and clean mechanism rotates and installs on circle piece (20).

2. The air inlet protective structure of the magnetic suspension centrifugal fan as claimed in claim 1, wherein the wind power rotating mechanism comprises a wind power shaft (7), the wind power shaft (7) is rotatably mounted on the support rod (6), and the inner end of the wind power shaft (7) is provided with a fan blade (8).

3. The air inlet protection structure of the magnetic suspension centrifugal fan as claimed in claim 2, wherein the cleaning mechanism comprises a cleaning shaft (16), the cleaning shaft (16) is rotatably mounted on a round block (20), a polygonal conical head (15) is mounted at the inner end of the cleaning shaft (16), a connecting block (13) is mounted at the end of the wind power shaft (7), a polygonal conical groove (14) is formed in the connecting block (13), and the polygonal conical head (15) is matched with the polygonal conical groove (14).

4. The air inlet protective structure of the magnetic suspension centrifugal fan according to claim 3, characterized in that a cleaning rod (17) is installed outside the cleaning shaft (16), a plurality of bristles (18) are arranged on the cleaning rod (17), the bristles (18) are matched with a dust screen (21), and a pull ring is fixedly installed on the cleaning rod (17).

5. The air inlet protective structure of the magnetic suspension centrifugal fan as claimed in claim 1, wherein two rectangular rods (23) are installed on the inner side of the dust-proof ring (5), two rectangular holes (22) are formed on the support rod (6), and the rectangular rods (23) are movably connected with the rectangular holes (22).

6. The air inlet protection structure of the magnetic suspension centrifugal fan as claimed in claim 5, wherein the inner wall of the rectangular hole (22) is provided with an elastic groove (9), a rectangular rod (23) is slidably mounted in the elastic groove (9), the same spring (10) is mounted between the rectangular rod (23) and the elastic groove (9), the rectangular rod (23) is provided with a trapezoidal groove (12), the end of the rectangular rod (23) is a bevel groove, and the rectangular rod (23) and the trapezoidal groove (12) are in bidirectional clamping connection.