CN220522817U - Reversible axial flow fan - Google Patents
Reversible axial flow fan Download PDFInfo
- Publication number
- CN220522817U CN220522817U CN202322189596.1U CN202322189596U CN220522817U CN 220522817 U CN220522817 U CN 220522817U CN 202322189596 U CN202322189596 U CN 202322189596U CN 220522817 U CN220522817 U CN 220522817U
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- wall
- column
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- axial flow
- rib
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- 230000002441 reversible effect Effects 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 15
- 241000883990 Flabellum Species 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004880 explosion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a reversible axial flow fan, which comprises a mounting shell, a limiting part, a driving part and a fan blade part, wherein the fan blade part comprises: the accommodating shell comprises: the inner wall of one side of the rotary column is rotatably and movably connected with the rotary column; and (3) a mounting ring: the rotary column is welded on the circumferential outer wall of the rotary column, and a connecting rod is welded on the circumferential outer wall of the mounting ring; conical gear ring: the connecting rod is fixed at one end of the connecting rod far away from the mounting ring through a pin; and (3) connecting a column: the connecting column is movably connected with the inner wall of a through hole formed on the surface of the accommodating shell, and a bevel gear meshed with the surface of the bevel gear ring is fixed on the circumferential outer wall of the connecting column through a pin; a fan blade body: the device is fixed at one end of the connecting column through a screw; cover plate: which is fixed on the circumferential inner wall of the accommodating shell through screws. The bevel gear can be driven to rotate by the bevel gear ring, so that the angle of the fan blade main body can be adjusted within a certain range, and the air quantity and the wind pressure of the fan can be adjusted by adjusting the angle of the fan blade main body.
Description
Technical Field
The utility model relates to the technical field of axial flow fans, in particular to a reversible axial flow fan.
Background
In the prior art, an axial flow fan structurally comprises an impeller and a casing, when the impeller rotates, air axially enters the impeller from an air inlet, is pushed by blades on the impeller to raise the energy of the air, then flows into the blades, the blades change deflection airflow into axial flow, meanwhile, the air is led into a diffuser pipe to further convert the kinetic energy of the air into pressure energy, and the ordinary axial flow fan can be used for ventilation in places such as a general factory, a warehouse, an office, a house and the like, wherein the reversible axial flow fan is a fan type capable of realizing bidirectional ventilation by changing the rotation direction of the impeller.
Through searching, the patent with the Chinese patent application number of 201920451478.4 discloses a reversible axial flow fan impeller rotating device, which comprises an outer race, wherein a fan housing is arranged on one side of an inner cavity of the outer race, a fixing frame which is far away from one side of the fan housing is fixedly sleeved in the inner cavity of the outer race, a motor is fixedly arranged in the middle of the fixing frame, and the reversible axial flow fan impeller rotates.
One of the reversible axial flow fan impeller rotating devices in the above patent has the following disadvantages: when the angle of the fan blades is adjusted, only two groups of fan blades can be adjusted at one time, and when more than two groups of fan blades are arranged on the fan, the angles of multiple groups of fan blades cannot be adjusted rapidly, so that the adjusting efficiency is low.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a reversible axial flow fan.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a reversible axial fan, includes installation casing, spacing portion, drive portion and flabellum portion, flabellum portion includes:
the accommodating shell comprises: the inner wall of one side of the rotary column is rotatably and movably connected with the rotary column;
and (3) a mounting ring: the rotary column is welded on the circumferential outer wall of the rotary column, and a connecting rod is welded on the circumferential outer wall of the mounting ring;
conical gear ring: the connecting rod is fixed at one end of the connecting rod far away from the mounting ring through a pin;
and (3) connecting a column: the connecting column is movably connected with the inner wall of a through hole formed on the surface of the accommodating shell, and a bevel gear meshed with the surface of the bevel gear ring is fixed on the circumferential outer wall of the connecting column through a pin;
a fan blade body: the device is fixed at one end of the connecting column through a screw;
cover plate: which is fixed on the circumferential inner wall of the accommodating shell through screws.
As still further aspects of the utility model: the driving part comprises a fixing plate and a driving motor, and the two fixing plates are welded on the circumferential inner wall of the installation shell.
As still further aspects of the utility model: the driving motor is fixed between the two fixing plates, and the output end of the driving motor is fixedly connected with the accommodating shell through a pin.
As still further aspects of the utility model: the limiting part comprises a positioning assembly and a locking assembly, the positioning assembly comprises a rib-shaped column and a rib-shaped groove, the rib-shaped groove is formed in the inner surface of the rotary column, and the outer diameter of the rib-shaped column and the inner diameter of the rib-shaped groove are mutually matched.
As still further aspects of the utility model: the positioning assembly further comprises an L-shaped plate, a threaded column and a prismatic plate, wherein the L-shaped plate is welded on the outer wall of one side of the cover plate, the threaded column is fixed on the outer wall of one side of the rib column through a pin, prismatic holes are formed in the surface of the L-shaped plate, and the prismatic plate is integrally formed on the circumferential outer wall of the threaded column.
As still further aspects of the utility model: the locking assembly comprises a first locking nut and a second locking nut, and the first locking nut and the second locking nut are connected to the circumferential outer wall of the threaded column through threads.
As still further aspects of the utility model: the outer wall of one side of the installation shell is fixedly provided with a first protective net, and the outer wall of the other side of the installation shell is fixedly provided with a second protective net.
As still further aspects of the utility model: and a bracket is fixed at the bottom of the installation shell.
Compared with the prior art, the utility model provides a reversible axial flow fan, which has the following beneficial effects:
the bevel gear can be driven to rotate by the bevel gear, and then the angle of the fan blade main body can be adjusted within a certain range, so that the air quantity and the wind pressure of the fan can be adjusted by adjusting the angle of the fan blade main body.
The angle of the fan blade main body can be limited by the rib-shaped column and the rib-shaped groove, the first locking nut and the second locking nut are arranged to fix the thread column and the L-shaped plate, so that the rib-shaped column and the rib-shaped groove are locked, and the safety and the stability of the fan blade main body during rotation are ensured.
The first protective net and the second protective net are arranged to effectively seal two ends of the installation shell, so that a user can be protected in the rotating process of the fan blade part.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a reversible axial flow fan according to the present utility model;
FIG. 2 is a schematic diagram of the back structure of a reversible axial flow fan according to the present utility model;
FIG. 3 is a schematic diagram of the explosion structure of the box body and the fan body of the reversible axial flow fan;
FIG. 4 is a schematic diagram showing the overall structure of a blade part of a reversible axial flow fan according to the present utility model;
FIG. 5 is a schematic diagram of an explosion structure of a blade part main body and a cover plate of a reversible axial flow fan according to the present utility model;
FIG. 6 is a schematic diagram of a local explosion structure of a limit part of a reversible axial flow fan according to the present utility model;
fig. 7 is a schematic diagram of an overall explosion structure of a limiting part of a reversible axial flow fan according to the present utility model.
In the figure: 1-mounting shell, 2-support, 3-protection net I, 4-protection net II, 5-fixed plate, 6-apron, 7-flabellum main part, 8-driving motor, 9-L template, 10-connecting rod, 11-collar, 12-column, 13-cone ring gear, 14-linking post, 15-bevel gear, 16-rib type post, 17-screw thread post, 18-rib type groove, 19-lock nut I, 20-lock nut II, 21-prismatic hole, 22-prismatic plate, 23-accommodation shell.
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.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1:
in order to facilitate the adjustment of the air volume and the air pressure of the fan, as shown in fig. 1-7, the reversible axial flow fan comprises a mounting shell 1, a limiting part, a driving part and a fan blade part, wherein the fan blade part comprises:
the housing case 23: the inner wall of one side of the rotary column is rotatably connected with a rotary column 12;
mounting ring 11: the connecting rod 10 is welded on the circumferential outer wall of the rotary column 12 and the circumferential outer wall of the mounting ring 11;
bevel gear 13: which is fixed by means of a pin to the end of the connecting rod 10 remote from the mounting ring 11;
engagement post 14: the bevel gear 15 meshed with the surface of the bevel gear ring 13 is fixed on the circumferential outer wall of the connecting column 14 through a pin;
fan blade body 7: which is fixed to one end of the engagement post 14 by a screw;
cover plate 6: which is fixed to the circumferential inner wall of the accommodating case 23 by screws;
the driving part is arranged to drive the fan blade part, the conical tooth ring 13 can synchronously rotate under the joint action of the connecting rod 10 and the mounting ring 11 by rotating the rotating column 12, and the conical tooth ring 13 can be used to drive the bevel gear 15 and the fan blade main body 7 to rotate, so that the angle of the fan blade main body 7 can be flexibly regulated within a certain range, the wind pressure and the wind quantity can be effectively regulated, and preferably, the conical tooth ring 13 and the bevel gear 15 can be made of plastic materials, so that the weight can be effectively reduced;
when the bevel gear ring 13 rotates due to the meshing action between the bevel gear ring 13 and the bevel gear 15, the angles of the fan blade main bodies 7 can be synchronously adjusted, so that the angle adjusting efficiency can be improved.
Further, the driving part comprises a fixing plate 5 and a driving motor 8, both fixing plates 5 are welded on the circumferential inner wall of the installation shell 1, the driving motor 8 is fixed between the two fixing plates 5 through bolts, and the output end of the driving motor 8 is fixedly connected with the accommodating shell 23 through pins;
can play the effect of a support to driving motor 8 through being provided with fixed plate 5, utilize driving motor 8 can drive the flabellum portion and wholly rotate, in the in-service use, through the rotation direction of adjusting driving motor 8 output to can adjust the direction of wind power, thereby can realize two-way ventilation.
Further, the limiting part comprises a positioning component and a locking component, the positioning component comprises a rib type column 16 and a rib type groove 18, the rib type groove 18 is formed on the inner surface of the rotary column 12, and the outer diameter of the rib type column 16 and the inner diameter of the rib type groove 18 are mutually matched; the positioning assembly further comprises an L-shaped plate 9, a threaded column 17 and a prismatic plate 22, wherein the L-shaped plate 9 is welded on the outer wall of one side of the cover plate 6, the threaded column 17 is fixed on the outer wall of one side of the rib column 16 through a pin, the surface of the L-shaped plate 9 is provided with a prismatic hole 21, and the prismatic plate 22 is integrally formed on the circumferential outer wall of the threaded column 17;
after the angle of the fan blade main body 7 is adjusted through the rotary column 12, the rib-shaped column 16 is inserted into the inner wall of the rib-shaped groove 18 along the transverse direction, so that the position of the rotary column 12 can be rapidly positioned by utilizing the rib-shaped column 16, a plurality of ribs are arranged on the circumferential outer wall of the rib-shaped column 16, a plurality of rib grooves are arranged on the inner surface of the rib-shaped groove 18, the rib-shaped column 16 can play a limiting role on the rib-shaped groove 18, the stability of the angle of the fan blade main body 7 after adjustment is ensured, the rib-shaped plate 22 is arranged to ensure that after the positioning between the rib-shaped column 16 and the rotary column 12 is completed, the screw-shaped column 17 can be prevented from rotating relatively to the prismatic hole 21, and the screw-shaped column 17 and the L-shaped plate 9 can be conveniently locked by utilizing the locking assembly, so that the safety of the fan blade during rotation is ensured.
Further, the locking assembly comprises a first locking nut 10 and a second locking nut 20, and the first locking nut 19 and the second locking nut 20 are connected to the circumferential outer wall of the threaded column 17 through threads;
by providing the second lock nut 20 and the prismatic plate 22, the threaded column 17 and the L-shaped plate 9 can be fixed from two different directions, and thus the locking between the rib column 16 and the rotary column 12 can be achieved.
Further, a bracket 2 is fixed at the bottom of the installation shell 1 through bolts;
the mounting housing 1 can be supported by being provided with a bracket 2.
Working principle: when the angle of the fan blade main body 7 needs to be adjusted in use, the rotary column 12 is rotated by the hand, the bevel gear ring 13 is driven to rotate in the rotating process, the angle of the fan blade main body 7 is adjusted, after the adjustment is finished, the threaded column 17 and the prismatic plate 22 slide along the prismatic hole 21, the rib column 16 is inserted into the inner wall of the rib groove 18, the preliminary positioning between the rib column 16 and the rib groove 18 is achieved, and then the first locking nut 19 and the second locking nut 20 are respectively rotated, so that the first locking nut 19 and the second locking nut 20 are pressed on the surface of the L-shaped plate 9, and locking between the rib column 16 and the rotary column 12 is achieved.
Example 2:
a reversible axial flow fan, as shown in fig. 1-2, for protecting users; this example complements the following on the basis of example 1: the outer wall of one side of the installation shell 1 is fixedly provided with a first protective net 3 through bolts, and the outer wall of the other side of the installation shell 1 is fixedly provided with a second protective net 4 through bolts;
the two ends of the installation shell 1 can be effectively sealed through the first protective net 3 and the second protective net 4, so that a user can be protected in the rotating process of the fan blade part.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a reversible axial fan, includes installation casing (1), spacing portion, drive division and flabellum portion, its characterized in that, flabellum portion includes:
a housing case (23): the inner wall of one side of the rotary column is rotatably and movably connected with a rotary column (12);
mounting ring (11): the connecting rod (10) is welded on the circumferential outer wall of the rotating column (12) and the circumferential outer wall of the mounting ring (11);
conical gear ring (13): the connecting rod is fixed at one end of the connecting rod (10) far away from the mounting ring (11) through a pin;
adapter column (14): the connecting column is movably connected with the inner wall of a through hole formed on the surface of the accommodating shell (23), and a bevel gear (15) meshed with the surface of the bevel gear ring (13) is fixed on the circumferential outer wall of the connecting column (14) through a pin;
fan blade main body (7): the device is fixed at one end of a connecting column (14) through a screw;
cover plate (6): which is fixed on the circumferential inner wall of the accommodating shell (23) through screws.
2. A reversible axial flow fan according to claim 1, characterized in that the driving part comprises a fixed plate (5) and a driving motor (8), both fixed plates (5) being welded to the circumferential inner wall of the mounting housing (1).
3. A reversible axial flow fan according to claim 2, characterized in that the drive motor (8) is fixed between two fixing plates (5), and the output end of the drive motor (8) and the housing shell (23) are fixedly connected by means of pins.
4. A reversible axial flow fan according to claim 3, wherein the limiting part comprises a positioning component and a locking component, the positioning component comprises a rib-shaped column (16) and a rib-shaped groove (18), the rib-shaped groove (18) is formed on the inner surface of the rotary column (12), and the outer diameter of the rib-shaped column (16) and the inner diameter of the rib-shaped groove (18) are mutually matched.
5. The reversible axial flow fan as claimed in claim 4, wherein the positioning assembly further comprises an L-shaped plate (9), a threaded column (17) and a prismatic plate (22), the L-shaped plate (9) is welded on one side outer wall of the cover plate (6), the threaded column (17) is fixed on one side outer wall of the rib column (16) through a pin, prismatic holes (21) are formed in the surface of the L-shaped plate (9), and the prismatic plate (22) is integrally formed on the circumference outer wall of the threaded column (17).
6. The reversible axial flow fan as claimed in claim 5, wherein the locking assembly comprises a first locking nut (19) and a second locking nut (20), and the first locking nut (19) and the second locking nut (20) are connected to the circumferential outer wall of the threaded column (17) through threads.
7. The reversible axial flow fan as claimed in claim 6, wherein the first protection net (3) is fixed to the outer wall of one side of the installation housing (1), and the second protection net (4) is fixed to the outer wall of the other side of the installation housing (1).
8. The reversible axial flow fan as claimed in claim 7, wherein the support (2) is fixed to the bottom of the installation housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322189596.1U CN220522817U (en) | 2023-08-15 | 2023-08-15 | Reversible axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322189596.1U CN220522817U (en) | 2023-08-15 | 2023-08-15 | Reversible axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220522817U true CN220522817U (en) | 2024-02-23 |
Family
ID=89925865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322189596.1U Active CN220522817U (en) | 2023-08-15 | 2023-08-15 | Reversible axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220522817U (en) |
-
2023
- 2023-08-15 CN CN202322189596.1U patent/CN220522817U/en active Active
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