CN221053992U - High-pressure centrifugal axial flow fan - Google Patents
High-pressure centrifugal axial flow fan Download PDFInfo
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- CN221053992U CN221053992U CN202323179086.2U CN202323179086U CN221053992U CN 221053992 U CN221053992 U CN 221053992U CN 202323179086 U CN202323179086 U CN 202323179086U CN 221053992 U CN221053992 U CN 221053992U
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- fixedly connected
- axial flow
- flow fan
- blade
- shell
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- 230000001681 protective effect Effects 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 241000256626 Pterygota <winged insects> Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a high-pressure centrifugal axial flow fan, which relates to the technical field of axial flow fans and comprises a shell, wherein a plurality of annularly-distributed supporting plates are fixedly connected to the rear end of the inner wall of the shell respectively, a motor is fixedly arranged at one end, far away from the shell, of each supporting plate, a rotating shaft is fixedly connected to the output end of each motor, one end, far away from each motor, of each rotating shaft is inserted with a slot, the outer surface of each slot is fixedly connected with a mounting plate, a plurality of uniformly-arranged blades are arranged on the outer surface of each mounting plate, a plurality of pressing blocks are arranged at one end, located on the upper part of each mounting plate, of each blade, the pressing blocks are fixedly connected to the mounting plates through bolts, limiting rings are fixedly connected to the front side and the rear side of each blade, the blades are fixed and installed through the pressing blocks and the bolts, the blades can be quickly detached and installed, the convenience of blade replacement and maintenance can be improved, and the replacement and maintenance cost of the axial flow fan can be reduced through replacing single blades.
Description
Technical Field
The utility model relates to the technical field of axial flow fans, in particular to a high-pressure centrifugal axial flow fan.
Background
The axial flow fan has very wide application, namely, the air flow in the same direction as the axis of the fan blade, such as an electric fan, an external fan of an air conditioner is an axial flow type running fan, so the axial flow fan is called as an axial flow type because the air flows parallel to the axial flow of the fan, the axial flow fan is usually used in the occasion with higher flow requirement and lower pressure requirement, and the axial flow fan is fixed in position and moves the air. The axial flow fan mainly comprises a fan impeller and a shell, has a simple structure but very high data requirement, is generally of an integrated structure, and needs to be replaced integrally if the impeller is worn in the daily use process, so that the maintenance cost is higher.
The utility model of application number 202223386791.5 discloses a high-pressure axial flow fan, comprising: protective housing, first fixed bolster, fan subassembly, the anticorrosive coating, the wearing layer, the flabellum, the second fixed bolster, the through-hole, the bolt, elastic gasket, the internal thread, the antiskid ribbed tile, protective bottom plate, dustproof pad, protective housing's inside fixed mounting has first fixed bolster, the one end fixed mounting of first fixed bolster has the fan subassembly, fan subassembly's inside is provided with the anticorrosive coating, the outer fixed mounting of anticorrosive coating has the wearing layer, protective housing's one end fixed mounting has the second fixed bolster, the inside fixed mounting of second fixed bolster has the through-hole, the inside swing joint of through-hole has the bolt, the bottom fixed mounting of bolt and elastic gasket, the inside fixed mounting of through-hole has the internal thread, protective housing's bottom fixed mounting has the antiskid ribbed tile, protective bottom plate is installed to protective bottom plate's bottom fixed mounting, the inside fixed mounting of antiskid ribbed tile has the dustproof pad.
The elastic gaskets are additionally arranged at the connecting parts of the bolts to increase the shock resistance of the bolts, so that loosening of the bolts is avoided, but the fan blades of the axial flow fan and the fan assembly are still in an integrated structure, which is not beneficial to maintenance and replacement of the fan blades.
Disclosure of utility model
The utility model aims to provide a high-pressure centrifugal axial flow fan so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high pressure centrifugal axial fan, includes the shell, shell inner wall rear end fixedly connected with a plurality of annular distribution's backup pad respectively, the backup pad is kept away from shell one end fixed mounting and is had the motor, motor output fixedly connected with pivot, the pivot is kept away from motor one end and is pegged graft there is the slot, slot surface fixedly connected with mounting panel, mounting panel surface mounting has a plurality of evenly arranged's blade, blade surface is located mounting panel upper portion one end and is provided with a plurality of briquetting, the briquetting passes through bolt fixed connection on the mounting panel, the shell inner wall is located both sides respectively fixedly connected with spacing ring around the blade.
Further, a thread groove is formed in the middle of the outer surface of the mounting plate, one end of the outer side of the rotating shaft is connected with a limit sleeve in a threaded mode, and the outer surface of the limit sleeve is connected in the thread groove in a threaded mode; the mounting plate and the rotating shaft can be fixed together through the limiting sleeve, so that the influence of left-right sliding of the mounting plate on the normal use of the fan is avoided.
Further, the outer surface of one end of the outer side of the rotating shaft is fixedly connected with a plurality of evenly distributed protruding blocks, and the shape of the outer surface of each protruding block is matched with the shape of the inner surface of each slot; the structure ensures that the connection between the rotating shaft and the mounting plate is stable, and the deviation can not occur, so that the rotation speed and the direction of the rotating shaft are consistent with each other, and the rotation efficiency of the blades is ensured.
Further, the mounting plate is positioned at the outer side of the pressing block and is fixedly connected with an arc-shaped protective cover; the connecting part of the blade is protected through the protective cover, so that the corrosion and corrosion conditions of the connecting part can be reduced, the blade is well protected, and the service life of the blade is prolonged.
Further, a guide ring is fixedly connected to one end of the shell, which is positioned at one end of the blade, and the guide ring is in an outwards-expanded horn shape; the structure can enlarge the diffusion range of the airflow and improve the radiation area of the axial flow fan.
Further, the lower parts of the left side and the right side of the outer surface of the shell are respectively fixedly connected with a support leg, and the lower ends of the support legs are fixedly adhered with anti-slip pads; the structure enables the axial flow fan to be placed more stably, improves the stability of the fan during working, and avoids damage of internal parts caused by toppling of the fan.
Further, the shell is fixedly connected with a dust screen at one end of the motor; the dust screen can prevent part of dust, winged insects and the like from entering the shell, so that the motor is prevented from being interfered, and the cleanliness of the shell is improved.
The utility model provides a high-pressure centrifugal axial flow fan, which has the following beneficial effects:
Firstly, the utility model can realize the fixation and the installation of the blades through the pressing blocks and the bolts, can realize the rapid disassembly and the installation of the blades, improves the convenience of blade replacement and maintenance, and can reduce the replacement and maintenance cost of the axial flow fan by replacing a single blade.
Secondly, the utility model can enlarge the diffusion range of air flow and promote the radiation area of the axial flow fan by adding the guide ring at the outer side of the shell, and the blades rotate in the limiting rings by surrounding the edges at the left side and the right side of the blades through the limiting rings, so that a sealed flow channel is formed, the air leakage loss is reduced, and the fan efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
Fig. 4 is an enlarged schematic view of the structure of fig. 3a according to the present utility model.
In the figure: 1. a housing; 2. a support plate; 3. a motor; 4. a rotating shaft; 5. a slot; 6. a mounting plate; 7. a blade; 8. briquetting; 9. a bolt; 10. a limit sleeve; 11. a protective cover; 12. a limiting ring; 13. a guide ring; 14. a support leg; 15. an anti-slip pad; 16. a dust-proof net.
Detailed Description
The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 4, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a high-pressure centrifugal axial fan, including shell 1, shell 1 inner wall rear end is fixedly connected with a plurality of backup pad 2 that annular distributes respectively, backup pad 2 keeps away from shell 1 one end fixed mounting has motor 3, motor 3 output fixedly connected with pivot 4, pivot 4 keeps away from motor 3 one end grafting has slot 5, slot 5 surface fixedly connected with mounting panel 6, mounting panel 6 surface mounting has a plurality of evenly arranged blades 7, blade 7 surface is located mounting panel 6 upper portion one end and is provided with a plurality of briquetting 8, briquetting 8 passes through bolt 9 fixed connection on mounting panel 6, can realize the fixed and the installation of blade 7 through briquetting 8 and bolt 9, can realize the blade 7 of quick dismantlement installation of blade 7, improve the convenience of blade 7 change and maintenance, can reduce axial fan's change and maintenance cost through can changing monolithic blade 7, shell 1 inner wall is located blade 7 front and back both sides and is fixedly connected with spacing ring 12 respectively, surround the left and right sides edge of blade 7 through spacing ring 12, make blade 7 rotate in spacing ring 12, constitute sealed runner, reduce leakage loss, promote fan efficiency;
Referring to fig. 3 and 4, a thread groove is formed in the middle of the outer surface of the mounting plate 6, one end of the outer side of the rotating shaft 4 is in threaded connection with a limit sleeve 10, the outer surface of the limit sleeve 10 is in threaded connection with the thread groove, the mounting plate 6 and the rotating shaft 4 can be fixed together through the limit sleeve 10, the phenomenon that the mounting plate 6 slides left and right to influence the normal use of a fan is avoided, a plurality of evenly distributed protruding blocks are fixedly connected to the outer surface of one end of the outer side of the rotating shaft 4, the shape of the outer surface of each protruding block is matched with the inner surface of the slot 5, the connection between the rotating shaft 4 and the mounting plate 6 is stable due to the structure, deviation cannot occur, the rotation speed and the rotation direction of the rotating shaft 4 are consistent with those of the blades 7, and the rotation efficiency of the blades 7 is ensured;
Referring to fig. 2, the mounting plate 6 is located at the outer side of the pressing block 8 and is fixedly connected with an arc-shaped protecting cover 11, and the connecting position of the blades 7 is protected through the protecting cover 11, so that corrosion and corrosion conditions of the connecting position can be reduced, the blades 7 are well protected, the service life of the blades 7 is prolonged, the shell 1 is located at one end of the motor 3 and is fixedly connected with a dust screen 16, the dust screen 16 can prevent part of dust, winged insects and the like from entering the shell 1, the motor 3 is prevented from being interfered, and the cleanliness of the interior of the shell 1 is improved;
Referring to fig. 2 and 3, a guide ring 13 is fixedly connected to one end of a blade 7 of a housing 1, the guide ring 13 is in a flared shape, and the structure can expand the diffusion range of air flow and improve the radiation area of an axial flow fan;
Referring to fig. 1, the lower parts of the left and right sides of the outer surface of the casing 1 are fixedly connected with supporting legs 14 respectively, and the lower ends of the supporting legs 14 are fixedly adhered with anti-slip pads 15.
To sum up, when assembling an axial flow fan, according to fig. 2, the motor 3 is fixedly connected to the support plate 2 on the inner wall of the housing 1, then according to fig. 3 and 4, the slot 5 is inserted into the rotating shaft 4, the blade 7 is placed on the mounting plate 6, the end of the blade 7 is between the two limiting rings 12, then the pressing block 8 is fixed by the bolts 9, the pressing block 8 is used for pressing and fixing the blade 7, the rest of the blades 7 are sequentially mounted, then the protective cover 11 is fixed on the mounting plate 6, the dust screen 16 is fixed at the end of the housing 1, when the axial flow fan is needed to be used, the fan is placed stably by the aid of the supporting legs 14 and the anti-slip pads 15, the motor 3 is started, the blade 7 is driven to rotate, and the radiation range of wind can be enlarged by the guide ring 13.
Claims (7)
1. The utility model provides a high pressure centrifugal axial fan, its characterized in that, includes shell (1), shell (1) inner wall rear end is a plurality of annular backup pad (2) of distribution respectively, backup pad (2) are kept away from shell (1) one end fixed mounting and are had motor (3), motor (3) output fixedly connected with pivot (4), slot (5) are pegged graft in motor (3) one end are kept away from in pivot (4), slot (5) surface fixedly connected with mounting panel (6), mounting panel (6) surface mounting has blade (7) of a plurality of evenly arranging, blade (7) surface is located mounting panel (6) upper portion one end and is provided with a plurality of briquetting (8), briquetting (8) are through bolt (9) fixed connection on mounting panel (6), shell (1) inner wall is located both sides respectively fixedly connected with spacing ring (12) around blade (7).
2. The high-pressure centrifugal axial flow fan according to claim 1, wherein a thread groove is formed in the middle of the outer surface of the mounting plate (6), a limit sleeve (10) is connected to one end of the outer side of the rotating shaft (4) in a threaded mode, and the outer surface of the limit sleeve (10) is connected to the thread groove in a threaded mode.
3. The high-pressure centrifugal axial flow fan according to claim 1, wherein a plurality of evenly distributed protruding blocks are fixedly connected to the outer surface of one end of the outer side of the rotating shaft (4), and the shape of the outer surface of each protruding block is matched with the shape of the inner surface of the corresponding slot (5).
4. The high-pressure centrifugal axial flow fan according to claim 1, wherein the mounting plate (6) is fixedly connected with an arc-shaped protective cover (11) outside the pressing block (8).
5. The high-pressure centrifugal axial flow fan according to claim 1, wherein the shell (1) is fixedly connected with a guide ring (13) at one end of the blade (7), and the guide ring (13) is in a flared shape.
6. The high-pressure centrifugal axial flow fan according to claim 1, wherein the lower parts of the left side and the right side of the outer surface of the housing (1) are fixedly connected with supporting legs (14) respectively, and the lower ends of the supporting legs (14) are fixedly adhered with anti-slip pads (15).
7. A high-pressure centrifugal axial flow fan according to claim 1, wherein the housing (1) is fixedly connected with a dust screen (16) at one end of the motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323179086.2U CN221053992U (en) | 2023-11-24 | 2023-11-24 | High-pressure centrifugal axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323179086.2U CN221053992U (en) | 2023-11-24 | 2023-11-24 | High-pressure centrifugal axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221053992U true CN221053992U (en) | 2024-05-31 |
Family
ID=91224042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323179086.2U Active CN221053992U (en) | 2023-11-24 | 2023-11-24 | High-pressure centrifugal axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221053992U (en) |
-
2023
- 2023-11-24 CN CN202323179086.2U patent/CN221053992U/en active Active
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