CN219282096U

CN219282096U - Axial flow fan

Info

Publication number: CN219282096U
Application number: CN202223091371.4U
Authority: CN
Inventors: 李智勇; 王磊; 许舜; 王丽艳; 冯健
Original assignee: Jiangsu Jingya Fan Co ltd
Current assignee: Jiangsu Jingya Fan Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-06-30
Anticipated expiration: 2032-11-21

Abstract

The utility model provides an axial flow fan, and relates to the technical field of ventilation equipment. This axial fan, including the fan housing, the fan housing bottom is equipped with the support frame, the inside flabellum and the servo motor of being equipped with of fan housing, be equipped with the adjusting part that is used for scheduling angle between fan housing and the support frame, the fan housing front side is equipped with the protection frame, this axial fan, operating personnel can make the dwang drive fixed connection's worm through rotating the dwang, it rotates to drive meshing connection's worm wheel when the worm rotates, make worm wheel drive fixed connection's regulation pole rotate, thereby adjust the pole and drive the fan housing and carry out angle deflection, the personnel of being convenient for adjust the angle, and worm wheel meshing have the dead effect of lock, make it remain stable.

Description

Axial flow fan

Technical Field

The utility model relates to an axial flow fan, in particular to an axial flow fan, and belongs to the technical field of ventilation equipment.

Background

The axial flow fan has very wide application, namely, the air flow in the same direction with the axis of the fan blade, such as an electric fan, and the fan of the air conditioner external unit is an axial flow running fan. This is called "axial flow" because the gas flows parallel to the fan axis. Axial fans are commonly used in applications where flow requirements are high and pressure requirements are low. The axial flow fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a shell, and has a simple structure but very high data requirements.

The utility model discloses a detachable axial flow fan (with the publication number of CN 214617137U), which comprises a fan barrel and a wind power mechanism, wherein an inner barrel is arranged in the fan barrel and is used for fixing the wind power mechanism, a plurality of supporting plates are arranged on the side wall of the inner barrel, a plurality of guide grooves are arranged on the inner wall of the fan barrel, a guide block is fixedly arranged on one side of the supporting plates, which is far away from the inner barrel, the guide block is in sliding fit with the guide grooves, a circle of fastening ring is arranged on the side wall of the fan barrel, a plurality of threaded holes are formed in the fastening ring, the threaded holes penetrate through the side wall of the fan barrel and are communicated with the guide grooves, a plurality of clamping screws are in threaded connection in the threaded holes, one end of each clamping screw is positioned on one side of the guide block, and each clamping screw is used for abutting against the guide block.

But above-mentioned scheme is to dryer and screen panel, and dryer and screen panel pass through a plurality of bolt fastening, and bolt distribution is at the outer edge of screen panel, and axial fan need dismantle the screen panel earlier when carrying out inside motor maintenance in order to guarantee high efficiency, and the screen panel is when dismantling the installation, need dismantle and install a plurality of bolts, and the operation is very inconvenient.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to solve the problems that in the prior art, an air duct and a net cover are fixed through a plurality of bolts, the bolts are distributed on the outer edge of the net cover, the net cover needs to be detached firstly when the axial flow fan overhauls an internal motor to ensure high efficiency, and a plurality of bolts need to be detached and installed when the net cover is detached and installed, so that the operation is inconvenient.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an axial fan, includes the fan housing, the fan housing bottom is equipped with the support frame, the inside flabellum and the servo motor of being equipped with of fan housing, be equipped with the adjusting part that is used for scheduling angle between fan housing and the support frame, the fan housing front side is equipped with the protection frame, the equal fixedly connected with in protection frame outside a plurality of connecting plates, a plurality of equal fixedly connected with rack in connecting plate one side, fan housing outside fixedly connected with and a plurality of connecting plate one-to-one's locating frame, be equipped with bayonet lock subassembly between rack and the locating frame.

Preferably, the bayonet lock subassembly includes the dead lever, dead lever fixed connection is inside the locating frame, the dead lever outside is equipped with the pawl.

Preferably, the bayonet lock subassembly still includes the torsional spring, the dead lever outside is located to the torsional spring cover, torsional spring both ends respectively with pawl and dead lever fixed connection, through torsional spring pulling pawl, make the pawl spacing to the rack, make its protection frame install.

Preferably, a threaded rod is arranged on one side of the positioning frame, penetrates through the positioning frame and is in threaded connection with the positioning frame, the threaded rod is inserted into the positioning frame by rotating the threaded rod, and the pawl is lapped on the threaded rod.

Preferably, the servo motor is fixedly connected with the inside of the fan shell, and the output shaft of the servo motor is fixedly connected with the fan blades.

Preferably, the adjusting assembly comprises two adjusting rods, the two adjusting rods are fixedly connected to the outer side of the fan shell, the adjusting rods penetrate through the supporting frame and are rotatably connected with the supporting frame, and one of the adjusting rods is fixedly connected with a worm wheel on the outer side of the adjusting rod.

Preferably, the adjusting component further comprises a side plate, the side plate is fixedly connected to the outer side of the supporting frame, a rotating rod is rotationally connected to the outer side of the side plate, a worm is fixedly connected to the outer side of the rotating rod, the worm is meshed with the worm wheel and connected with the worm wheel, the worm wheel is driven to rotate through the worm, the worm wheel drives a fixedly connected adjusting rod to rotate, and therefore the angle of the fan shell is adjusted.

Preferably, a plurality of locating plates are fixedly connected with the outer side of the protection frame, a plurality of mounting plates are fixedly connected with the outer side of the fan shell, through grooves are formed in the outer side of the mounting plates, and the locating plates are matched with the through grooves so as to facilitate butt joint and locating of the protection frame.

The utility model provides an axial flow fan, which has the following beneficial effects:

1. this axial fan, operating personnel can make the dwang drive fixed connection's worm through the dwang, and the worm wheel that drives meshing connection when the worm rotates, makes worm wheel drive fixed connection's regulation pole rotation to adjust the pole and drive fan housing and carry out the angle deflection, be convenient for personnel adjust the angle, and worm wheel meshing have the effect of locking, make it keep stable.

2. This axial fan protects flabellum and servo motor through the guard frame, when needs are installed the guard frame, through a plurality of connecting plates with guard frame outside fixed connection, insert respectively in the locating frame with fixed connection's rack on the connecting plate, because in locating frame outside fixedly connected with dead lever, carry out spacingly through the pawl on the dead lever, thereby make the guard frame install fast fixedly, when needs are dismantled, through stirring the pawl, threaded rod on rotating the locating frame, make the pawl take on the threaded rod, avoid pawl and threaded rod to contact, thereby release the spacing to the rack, thereby dismantle its guard frame fast, the operation is more convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a protective frame according to the present utility model;

FIG. 3 is an enlarged view of the portion A of FIG. 1 in accordance with the present utility model;

fig. 4 is an enlarged view of the B part structure of fig. 1 according to the present utility model.

In the figure: 1. a blower housing; 2. a support frame; 3. a fan blade; 4. a protective frame; 5. a servo motor; 6. a connecting plate; 7. a rack; 8. a positioning frame; 9. a fixed rod; 10. a pawl; 11. a torsion spring; 12. a threaded rod; 13. a positioning plate; 14. a mounting plate; 15. an adjusting rod; 16. a worm wheel; 17. a worm; 18. a rotating lever; 20. and a side plate.

Detailed Description

The embodiment of the utility model provides an axial flow fan.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, including fan housing 1, fan housing 1 bottom is equipped with support frame 2, fan housing 1 inside is equipped with flabellum 3 and servo motor 5, be equipped with the adjusting part that is used for scheduling angle between fan housing 1 and the support frame 2, fan housing 1 front side is equipped with protection frame 4, the equal fixedly connected with of protection frame 4 outside is a plurality of connecting plates 6, the equal fixedly connected with rack 7 in a plurality of connecting plates 6 one sides, fan housing 1 outside fixedly connected with and a plurality of connecting plates 6 one-to-one's locating frame 8, be equipped with bayonet lock subassembly between rack 7 and the locating frame 8.

The servo motor 5 is fixedly connected with the inside of the fan housing 1, an output shaft of the servo motor 5 is fixedly connected with the fan blade 3, the adjusting assembly comprises two adjusting rods 15, the two adjusting rods 15 are fixedly connected to the outside of the fan housing 1, the adjusting rods 15 penetrate through the supporting frame 2 and are rotationally connected with the supporting frame 2, one of the adjusting rods 15 is fixedly connected with a worm wheel 16, the adjusting assembly further comprises a side plate 20, the side plate 20 is fixedly connected to the outside of the supporting frame 2, a rotating rod 18 is rotationally connected to the outside of the side plate 20, a worm 17 is fixedly connected to the outside of the rotating rod 18, the worm 17 is in meshed connection with the worm wheel 16, and the worm 17 drives the worm wheel 16 to rotate, so that the worm wheel 16 drives the fixedly connected adjusting rods 15 to rotate, and the angle of the fan housing 1 is adjusted.

Specifically, by starting the servo motor 5, the servo motor 5 drives the fan blades 3 to rotate, so that wind power is generated, and an operator can rotate the rotating rod 18 to drive the worm 17 in fixed connection to rotate, when the worm 17 rotates to drive the worm wheel 16 in meshed connection to rotate, the worm wheel 16 drives the adjusting rod 15 in fixed connection to rotate, so that the adjusting rod 15 drives the fan housing 1 to deflect at an angle, the angle of the operator can be conveniently adjusted, and the worm 17 and the worm wheel 16 are meshed to have a locking effect, so that the fan housing is stable.

Referring to fig. 1, 2, 3 and 4 again, the bayonet lock assembly includes a fixing rod 9, the fixing rod 9 is fixedly connected inside the positioning frame 8, a pawl 10 is arranged outside the fixing rod 9, the bayonet lock assembly further includes a torsion spring 11, the torsion spring 11 is sleeved outside the fixing rod 9, two ends of the torsion spring 11 are fixedly connected with the pawl 10 and the fixing rod 9 respectively, and the pawl 10 is pulled by the torsion spring 11 to limit the rack 7, so that the protection frame 4 is installed

One side of the positioning frame 8 is provided with a threaded rod 12, the threaded rod 12 penetrates through the positioning frame 8 and is in threaded connection with the positioning frame 8, the threaded rod 12 is inserted into the positioning frame 8 by rotating the threaded rod 12, and the pawl 10 is lapped on the threaded rod 12.

The protection frame 4 outside fixedly connected with a plurality of locating plates 13, fan housing 1 outside fixedly connected with a plurality of mounting panels 14, logical groove has been seted up in the mounting panel 14 outside, locating plate 13 and logical groove looks adaptation are convenient for the protection frame 4 to dock the location.

Specifically, be equipped with the protection frame 4 in fan housing 1 front side simultaneously, protect flabellum 3 and servo motor 5 through protection frame 4, when needs are installed protection frame 4, through a plurality of connecting plates 6 with protection frame 4 outside fixed connection, insert respectively in locating frame 8 with fixed connection's rack 7 on the connecting plate 6, owing to fixed connection's dead lever 9 in locating frame 8 outside, carry out spacingly with rack 7 through pawl 10 on the dead lever 9 to make protection frame 4 install fixedly fast.

When dismantling, through stirring pawl 10, the threaded rod 12 on rotating the locating frame 8 makes pawl 10 take on threaded rod 12, avoids pawl 10 and threaded rod 12 to contact to remove the spacing to rack 7, thereby dismantle its guard frame 4 fast, the operation is more convenient.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an axial fan, includes fan housing (1), fan housing (1) bottom is equipped with support frame (2), its characterized in that: the novel fan comprises a fan housing (1), wherein fan blades (3) and a servo motor (5) are arranged inside the fan housing (1), an adjusting assembly used for adjusting angles is arranged between the fan housing (1) and a supporting frame (2), a protection frame (4) is arranged on the front side of the fan housing (1), a plurality of connecting plates (6) are fixedly connected to the outer side of the protection frame (4), racks (7) are fixedly connected to one sides of the connecting plates (6), positioning frames (8) corresponding to the connecting plates (6) one to one are fixedly connected to the outer side of the fan housing (1), and a bayonet lock assembly is arranged between the racks (7) and the positioning frames (8).

2. An axial flow fan according to claim 1, wherein: the bayonet lock subassembly includes dead lever (9), dead lever (9) fixed connection is inside locating frame (8), dead lever (9) outside is equipped with pawl (10).

3. An axial flow fan according to claim 2, wherein: the bayonet lock subassembly still includes torsional spring (11), torsional spring (11) cover is located dead lever (9) outside, torsional spring (11) both ends respectively with pawl (10) and dead lever (9) fixed connection.

4. An axial flow fan according to claim 1, wherein: one side of the positioning frame (8) is provided with a threaded rod (12), and the threaded rod (12) penetrates through the positioning frame (8) and is in threaded connection with the positioning frame (8).

5. An axial flow fan according to claim 1, wherein: the servo motor (5) is fixedly connected with the inside of the fan shell (1), and an output shaft of the servo motor (5) is fixedly connected with the fan blades (3).

6. An axial flow fan according to claim 1, wherein: the adjusting assembly comprises two adjusting rods (15), the two adjusting rods (15) are fixedly connected to the outer side of the fan shell (1), the adjusting rods (15) penetrate through the supporting frame (2) and are rotationally connected with the supporting frame (2), and one of the adjusting rods (15) is fixedly connected with a worm wheel (16) on the outer side.

7. The axial flow fan according to claim 6, wherein: the adjusting assembly further comprises a side plate (20), the side plate (20) is fixedly connected to the outer side of the supporting frame (2), a rotating rod (18) is rotatably connected to the outer side of the side plate (20), a worm (17) is fixedly connected to the outer side of the rotating rod (18), and the worm (17) is meshed with the worm wheel (16).

8. An axial flow fan according to claim 1, wherein: the fan is characterized in that a plurality of positioning plates (13) are fixedly connected to the outer side of the protection frame (4), a plurality of mounting plates (14) are fixedly connected to the outer side of the fan shell (1), through grooves are formed in the outer side of the mounting plates (14), and the positioning plates (13) are matched with the through grooves.