CN220354076U - Axial-flow fan with limit structure - Google Patents
Axial-flow fan with limit structure Download PDFInfo
- Publication number
- CN220354076U CN220354076U CN202321782633.3U CN202321782633U CN220354076U CN 220354076 U CN220354076 U CN 220354076U CN 202321782633 U CN202321782633 U CN 202321782633U CN 220354076 U CN220354076 U CN 220354076U
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- explosion
- fan
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- limiting
- plugging
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- 230000000670 limiting effect Effects 0.000 claims abstract description 39
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000004880 explosion Methods 0.000 claims description 9
- 241000883990 Flabellum Species 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an axial flow fan with a limiting structure, which relates to the technical field of axial flow fans and comprises an explosion-proof shell, fan blades and a rotating motor, wherein the fan blades are arranged in the explosion-proof shell, the rotating motor is arranged in the middle of each fan blade, the explosion-proof shell is equidistantly provided with the limiting mechanism, the limiting mechanism consists of a plugging groove, a plugging block, a protective net, a notch, a connecting spring and a limiting block, the plugging groove is plugged with the plugging block, and one side of the plugging block is connected with the protective net. This axial fan with limit structure, before dismantling, twist first and move limit bolt, grasp the protection network to the rotatory one side at stopper place can take off, after the protection network is clean, the grafting piece peg graft earlier with the jack groove, afterwards to keeping away from the rotatory one side of stopper can for this axial fan with limit structure has solved the protection network and has generally used the bolt to be connected with explosion-proof shell, dismantles comparatively loaded down with trivial details problem.
Description
Technical Field
The utility model relates to the technical field of axial flow fans, in particular to an axial flow fan with a limiting structure.
Background
The axial flow fan is the most commonly used ventilation and air supply equipment in the market, and is called as an axial flow type because air flows parallel to the axial flow of the fan, namely, the air flow in the same direction as the axis of a fan blade, such as an electric fan, an air conditioner outdoor unit fan is an axial flow type running fan, the axial flow type fan is usually used in the occasion with higher flow requirement and lower pressure requirement, the axial flow type fan moves at a fixed position, and can be used for ventilation or heat dissipation enhancement in places such as metallurgy, chemical industry, light industry, food, medicine and civil buildings, and the like, and if a shell is removed, the axial flow type fan can also be used as a free fan, and can also be installed in series at intervals in a longer exhaust pipeline so as to improve the wind pressure in the pipeline.
The current axial fan is by inside connecting rod installation motor of explosion-proof housing, and the motor drives the flabellum and rotates, and explosion-proof housing bottom is the base of supporting connection, and the protection network is installed to the front side of flabellum, can accumulate a large amount of dust after the axial fan uses for a long time, need dismantle the back with the protection network and wash, and the protection network generally uses the bolt to be connected with explosion-proof housing, dismantles comparatively loaded down with trivial details.
Disclosure of Invention
The utility model aims to provide an axial flow fan with a limiting structure, which aims to solve the problem that the protection net provided by the background technology is generally connected with an explosion-proof shell by using bolts and is relatively complicated to detach.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an axial flow fan with a limit structure comprises an explosion-proof shell, fan blades and a rotating motor,
the anti-explosion device comprises an anti-explosion shell, wherein fan blades are arranged in the anti-explosion shell, a rotating motor is arranged in the middle of the fan blades, a limiting mechanism is arranged at equal intervals on the anti-explosion shell, the limiting mechanism consists of a plugging groove, a plugging block, a protective net, a notch, a connecting spring and a limiting block, the plugging groove is plugged with the plugging block, the protective net is connected to one side of the plugging block, the notch is connected to one side of the plugging groove, and the limiting block is connected to the inside of the notch through the connecting spring.
Preferably, the limiting block is propped against one side of the plug block, and the plug block at the top of the explosion-proof shell is provided with a threaded hole.
Preferably, the threaded hole is in threaded connection with the limit bolt, the bottom of the explosion-proof housing is welded with one end of the connecting rod, and the other end of the connecting rod is in rotary connection with the top of the sleeve column.
Preferably, the two sleeve columns are respectively provided with a positive thread and a reverse thread, and are respectively in threaded connection with the first threaded rod and the second threaded rod, and the bottoms of the first threaded rod and the second threaded rod are in rotary connection with a bearing seat at the bottom end inside the base.
Preferably, one end of the first threaded rod and one end of the second threaded rod, which are close to the bearing seat, are connected with driven fluted discs.
Preferably, the two driven fluted discs are respectively meshed with the driving fluted discs at two sides of the bidirectional motor, and one side of the explosion-proof shell, which is far away from the sleeve column, is movably connected with the top of the electric telescopic rod.
Compared with the prior art, the utility model has the beneficial effects that: this axial fan with limit structure, before dismantling, twist first limit bolt, grasp the protection network to the rotatory just can take off of one side that the stopper is located, after the protection network is clean, the grafting piece peg graft with the jack groove earlier, afterwards to keeping away from one side rotation of stopper can, solved the protection network generally use the bolt to be connected with explosion-proof shell, dismantle comparatively loaded down with trivial details problem.
1. The axial-flow fan with the limiting structure is used for occasions with higher flow requirements and lower pressure requirements, the limiting bolts are screwed before the protective screen is disassembled, the protective screen is grabbed to rotate towards the side where the limiting block is located to be taken down, after the protective screen is cleaned, the plug-in blocks are plugged with the plug-in grooves, and then the plug-in blocks are rotated towards the side far away from the limiting block to complete plug-in limiting, the axial-flow fan with the limiting structure is locked by the single limiting bolts after being connected in a plug-in limiting mode, and the axial-flow fan with the limiting structure is good in limiting effect and convenient to disassemble;
2. this axial fan with limit structure, can be at longer exhaust duct internal space series connection installation, with the wind pressure in the improvement pipeline, axial fan can not carry out angle modulation, lead to can only aiming at single direction work, start the rotation of two-way motor drive initiative fluted disc and driven fluted disc meshing, first threaded rod and second threaded rod begin the rotation and carry out the position that the screw effect promoted the air outlet with the cover post this moment, electric telescopic handle top slides in the spout in the explosion-proof housing outside this moment, this axial fan with limit structure changes the position of axial fan air outlet through gear engagement and screw effect, make axial fan more nimble facilitate use.
Drawings
FIG. 1 is a schematic diagram of the front view of an explosion-proof housing of the present utility model;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;
fig. 3 is a schematic side view of the present utility model.
In the figure: 1. an explosion-proof housing; 11. a fan blade; 12. a rotating motor; 2. a limiting mechanism; 21. a plug-in groove; 22. a plug block; 23. a protective net; 24. a notch; 25. a connecting spring; 26. a limiting block; 3. a threaded hole; 31. a limit bolt; 4. a connecting rod; 41. a sleeve column; 42. a first threaded rod; 43. a base; 44. a bearing seat; 45. a second threaded rod; 5. a driven fluted disc; 51. a driving fluted disc; 52. a bi-directional motor; 6. an electric telescopic rod.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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. 1-3, the present utility model provides a technical solution: an axial flow fan with a limiting structure comprises an explosion-proof shell 1, fan blades 11 and a rotating motor 12,
the explosion-proof housing 1 internally mounted has flabellum 11, flabellum 11 mid-mounting has rotation motor 12, explosion-proof housing 1 equidistance is provided with stop gear 2, stop gear 2 comprises spliced groove 21, grafting piece 22, protection network 23, notch 24, coupling spring 25 and stopper 26, spliced groove 21 and grafting piece 22 peg graft mutually, grafting piece 22 obtains one side to be connected with protection network 23, one side of spliced groove 21 is connected with notch 24, the notch 24 is inside to be connected with stopper 26 through coupling spring 25, stopper 26 offsets with one side of grafting piece 22 and presses, threaded hole 3 has been seted up to grafting piece 22 at explosion-proof housing 1 top, threaded hole 3 and stop bolt 31 threaded connection, explosion-proof housing 1 bottom welds with the one end of connecting rod 4, the other end and the sleeve 41 top swivelling joint of connecting rod 4.
During the concrete implementation, need twist limit bolt 31 earlier before protection network 23 dismantles, grasp protection network 23 to the side at stopper 26 place rotate to with stopper 26 extrusion in notch 24 in can the level take out, the clean back of finishing of protection network 23 is wiped dry, plug-in block 22 is pegged graft with jack-in groove 21 earlier, afterwards rotate to the one side that keeps away from stopper 26, stopper 26 offsets with one side of plug-in block 22 this moment and presses, can accomplish the grafting spacing, this axial fan with limit structure for the occasion that the flow requirement is higher and the pressure requirement is lower adopts the mode of grafting spacing to connect the back and locks with single limit bolt 31, convenient to detach is convenient for when spacing effect is good.
Referring to fig. 2-3, the inside of the sleeve column 41 is respectively provided with a positive thread and a negative thread, and is respectively in threaded connection with a first threaded rod 42 and a second threaded rod 45, the bottoms of the first threaded rod 42 and the second threaded rod 45 are rotatably connected with a bearing seat 44 at the bottom end inside the base 43, one ends of the first threaded rod 42 and the second threaded rod 45, which are close to the bearing seat 44, are respectively connected with a driven fluted disc 5, the two driven fluted discs 5 are respectively meshed with a driving fluted disc 51 at two sides of a bidirectional motor 52, and one side of the explosion-proof casing 1, which is far away from the sleeve column 41, is movably connected with the top of the electric telescopic rod 6.
During the concrete implementation, axial fan can only aim at single direction work owing to can not carrying out angle modulation, the flexibility is not high, start the rotation of two-way motor 52 drive initiative fluted disc 51 and driven fluted disc 5 meshing, first threaded rod 42 and second threaded rod 45 begin to rotate and the position that the cover post 41 carried out the screw action and promoted the air outlet this moment, electric telescopic handle 6 top at the spout in the explosion-proof housing 1 outside slides this moment, if need promote axial fan's position, start two-way motor 52 and electric telescopic handle 6 simultaneously with the same speed upwards move can, this axial fan with limit structure, can be at longer exhaust duct internal interval series connection installation, with the wind pressure in the improvement pipeline, change axial fan's position through gear meshing and screw action, can carry out angle modulation when carrying out the high regulation, make axial fan more nimble facilitate the use.
In summary, before the axial-flow fan with the limiting structure is used, the bidirectional motor 52 and the electric telescopic rod 6 are started to adjust the height of the explosion-proof housing 1, after the adjustment is finished, the rotary motor 12 is started to drive the fan blade 11 to rotate to increase wind pressure, a large amount of dust can be gathered for a period of time, at the moment, the limiting bolt 31 is unscrewed and screwed off, the protective net 23 is grasped to rotate to the side where the limiting block 26 is positioned to be taken off for cleaning, after the fan blade 11 and the protective net 23 are cleaned, the protective net 23 is grasped again, the plug-in block 22 is firstly plugged in the plug-in groove 21, and then the plug-in limiting can be completed to rotate to the side far away from the limiting block 26.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. An axial fan with limit structure, includes explosion-proof housing (1), flabellum (11) and rotating electrical machines (12), its characterized in that:
the anti-explosion device is characterized in that fan blades (11) are mounted in the anti-explosion shell (1), a rotating motor (12) is mounted in the middle of each fan blade (11), a limiting mechanism (2) is arranged at equal intervals on the anti-explosion shell (1), each limiting mechanism (2) consists of a plugging groove (21), a plugging block (22), a protective net (23), a notch (24), a connecting spring (25) and a limiting block (26), each plugging groove (21) is plugged with each plugging block (22), one side of each plugging block (22) is connected with the protective net (23), one side of each plugging groove (21) is connected with the corresponding notch (24), and the limiting block (26) is connected inside each notch (24) through the corresponding connecting spring (25).
2. An axial flow fan having a limiting structure according to claim 1, wherein: the limiting block (26) is propped against one side of the plug-in block (22), and the plug-in block (22) at the top of the explosion-proof housing (1) is provided with a threaded hole (3).
3. An axial flow fan having a limiting structure according to claim 2, wherein: the anti-explosion device is characterized in that the threaded hole (3) is in threaded connection with the limit bolt (31), the bottom of the anti-explosion shell (1) is welded with one end of the connecting rod (4), and the other end of the connecting rod (4) is rotationally connected with the top of the sleeve column (41).
4. An axial flow fan having a limiting structure according to claim 3, wherein: the two sleeve columns (41) are internally provided with positive threads and reverse threads respectively and are in threaded connection with a first threaded rod (42) and a second threaded rod (45) respectively, and the bottoms of the first threaded rod (42) and the second threaded rod (45) are rotatably connected with a bearing seat (44) at the bottom end of the base (43) in the interior.
5. An axial flow fan with a limiting structure according to claim 4, wherein: and one ends of the first threaded rod (42) and the second threaded rod (45) close to the bearing seat (44) are connected with a driven fluted disc (5).
6. An axial flow fan with a limiting structure according to claim 5, wherein: the two driven fluted discs (5) are respectively meshed with driving fluted discs (51) at two sides of a bidirectional motor (52), and one side, far away from the sleeve column (41), of the explosion-proof housing (1) is movably connected with the top of the electric telescopic rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321782633.3U CN220354076U (en) | 2023-07-08 | 2023-07-08 | Axial-flow fan with limit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321782633.3U CN220354076U (en) | 2023-07-08 | 2023-07-08 | Axial-flow fan with limit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354076U true CN220354076U (en) | 2024-01-16 |
Family
ID=89501350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321782633.3U Active CN220354076U (en) | 2023-07-08 | 2023-07-08 | Axial-flow fan with limit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354076U (en) |
-
2023
- 2023-07-08 CN CN202321782633.3U patent/CN220354076U/en active Active
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