CN209959562U

CN209959562U - Impeller rotating device of reversible axial flow fan

Info

Publication number: CN209959562U
Application number: CN201920451478.4U
Authority: CN
Inventors: 毛金铎; 毛翔宇; 尚昭
Original assignee: Hebei Punade Fan Manufacturing Co Ltd
Current assignee: Hebei Punade Fan Manufacturing Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-01-17
Anticipated expiration: 2029-04-04

Abstract

The utility model relates to a fan technical field just discloses a reversible axial fan impeller rotary device, which comprises an outer shell, one side of shell inner chamber is equipped with the fan housing, and the fixed cover of inner chamber of shell is equipped with the mount of keeping away from fan housing one side, the middle part fixed mounting of mount has the motor. This reversible axial fan impeller rotary device, through rotating the positive knob of rim plate, it rotates to drive the worm, utilize the worm to drive the worm wheel and rotate, the worm wheel rotates and drives the epaxial driving gear of loose axle and rotate, it rotates to drive engaged with driven gear through the driving gear, thereby drive the flabellum on the connecting rod and rotate, and then adjust the angle of flabellum, and after adjusting the completion, utilize worm gear's self-locking function, improve the stability after the flabellum rotates, need not to lock with the help of screws etc., and is simple and convenient, be convenient for carry out the regulation of multi-angle according to actual need, energy consumption is reduced, the availability factor of fan is improved.

Description

Impeller rotating device of reversible axial flow fan

Technical Field

The utility model relates to a fan technical field specifically is a reversible axial fan impeller rotary device.

Background

The axial flow fan is also called as a local fan, is a fan commonly used by industrial and mining enterprises, is different from a common fan, and has the advantages that a motor and fan blades are arranged in a cylinder, the shape is just a cylinder, the fan is used for local ventilation, the installation is convenient, the ventilation effect is obvious and safe, the fan can be connected with the cylinder to send wind to a designated area, when the impeller rotates, gas axially enters the impeller from an air inlet, the energy of the gas is increased by the pushing of the blades on the impeller, then the gas flows into a guide vane, the guide vane changes deflection airflow into axial flow, meanwhile, the gas is guided into a diffuser pipe, the kinetic energy of the gas is further converted into pressure energy, and finally, the pressure energy is introduced into.

However, the blades of the conventional axial flow fan are usually fixed on the wheel disc by welding and the like, and cannot be rotationally adjusted according to actual needs, and the adjustment of the blade angle is a direct and simple method for changing the wind pressure and the wind volume, so that in the using process, not only the requirements of ideal working efficiency and the like are difficult to achieve, but also the energy consumption is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a reversible axial fan impeller rotary device possesses flabellum angularly adjustable, reduce the advantage of power consumption, the flabellum of having solved current axial fan all fixes on the rim plate through modes such as welding usually, can't carry out rotation regulation according to actual need, and it is direct simple method again to adjust the flabellum angle and change wind pressure and air volume, therefore in the use, not only be difficult to reach requirements such as the work efficiency of ideal, the problem of power consumption has also been increased simultaneously.

The utility model provides a following technical scheme: a reversible axial flow fan impeller rotating device comprises a shell, wherein a fan cover is arranged on one side of an inner cavity of the shell, a fixing frame far away from one side of the fan cover is fixedly sleeved on the inner cavity of the shell, a motor is fixedly mounted in the middle of the fixing frame, a rotating shaft is fixedly sleeved on an output shaft of the motor, a wheel disc is fixedly sleeved at one end of the rotating shaft, a bearing is fixedly sleeved at the top of an inner cavity of the wheel disc, a connecting rod is movably sleeved at the middle of the bearing, fan blades are fixedly connected to the top of the connecting rod, a driven gear is fixedly sleeved at the bottom of the connecting rod, a cross frame is movably sleeved at the bottom of the connecting rod, a driving gear is meshed at the outer edge of the driven gear, a movable shaft is fixedly sleeved at the middle of the driving gear, a worm wheel is fixedly sleeved at the, the middle part of the side face of the vertical frame is movably sleeved with a worm, a fixing shaft is arranged in the middle of an inner cavity of the worm, one end of the fixing shaft extends to the outside of the rotary disc and is fixedly connected with a knob, a pointer is arranged in the middle of the front face of the knob, and a dial surrounding the outside of the knob is arranged on one side of the front face of the rotary disc.

Preferably, the top of the wheel disc is movably connected with the bottoms of the fan blades, and the side face of the wheel disc is movably connected with the knob.

Preferably, the number of the driving gears is two, and the two driving gears are symmetrically distributed at two ends of the movable shaft.

Preferably, the outer edge of the worm is meshed with the outer edge of the worm wheel, and the side face of the worm is movably connected with the inner wall of the wheel disc.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this reversible axial fan impeller rotary device, through rotating the positive knob of rim plate, it rotates to drive the worm, utilize the worm to drive the worm wheel and rotate, the worm wheel rotates and drives the epaxial driving gear of loose axle and rotate, it rotates to drive engaged with driven gear through the driving gear, thereby drive the flabellum on the connecting rod and rotate, and then adjust the angle of flabellum, and after adjusting the completion, utilize worm gear's self-locking function, improve the stability after the flabellum rotates, need not to lock with the help of screws etc., and is simple and convenient, be convenient for carry out the regulation of multi-angle according to actual need, energy consumption is reduced, the availability factor of fan is improved.

2. This reversible axial fan impeller rotary device, through rotating the knob, drives the worm and rotates, utilizes the worm to drive the worm wheel and rotates, and the worm wheel rotates the driving gear that drives the loose axle both ends and rotates simultaneously, drives two sets of driven gear of engaged with through two sets of driving gears and rotates simultaneously to drive two sets of flabellums on two sets of connecting rods and rotate simultaneously, and then adjust the angle of two sets of flabellums simultaneously, and combine the cooperation of pointer and calibrated scale on the knob, improved the accuracy nature of flabellum angle modulation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structural dial of the present invention;

FIG. 3 is a schematic view of the worm wheel of the present invention;

fig. 4 is an enlarged view of the structure a of the present invention.

In the figure: 1. a housing; 2. a fan housing; 3. a fixed mount; 4. a motor; 5. a rotating shaft; 6. a wheel disc; 7. a bearing; 8. a connecting rod; 9. a fan blade; 10. a driven gear; 11. a cross frame; 12. a driving gear; 13. a movable shaft; 14. a worm gear; 15. erecting; 16. a worm; 17. a fixed shaft; 18. a knob; 19. a pointer; 20. a dial.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a reversible axial flow fan impeller rotating device includes a housing 1, a fan housing 2 is disposed on one side of an inner cavity of the housing 1, a fixing frame 3 away from one side of the fan housing 2 is fixedly sleeved on the inner cavity of the housing 1, a motor 4 is fixedly installed in the middle of the fixing frame 3, a rotating shaft 5 is fixedly sleeved on an output shaft of the motor 4, a wheel disc 6 is fixedly sleeved at one end of the rotating shaft 5, the top of the wheel disc 6 is movably connected with the bottom of a fan blade 9, the side of the wheel disc 6 is movably connected with a knob 18, a bearing 7 is fixedly sleeved on the top of the inner cavity of the wheel disc 6, a connecting rod 8 is movably sleeved on the middle of the bearing 7, the top of the connecting rod 8 is fixedly connected with the fan blade 9, a driven gear 10 is fixedly sleeved on the bottom of the connecting rod 8, a cross frame 11, two driving gears 12 are symmetrically distributed at two ends of a movable shaft 13, a worm 16 on a fixed shaft 17 is driven to rotate through a knob 18 on the front of a rotary wheel disc 6, a worm wheel 14 is driven to rotate by the worm 16, the worm wheel 14 rotates to drive the driving gears 12 at two ends of the movable shaft 13 to rotate simultaneously, two groups of driven gears 10 which are meshed with each other are driven to rotate simultaneously through the two groups of driving gears 12, so that two groups of fan blades 9 on two groups of connecting rods 8 are driven to rotate simultaneously, the angles of the two groups of fan blades 9 are adjusted simultaneously, the movable shaft 13 is fixedly sleeved in the middle of the driving gear 12, the worm wheel 14 is fixedly sleeved in the middle of the movable shaft 13, the movable shaft 13 is movably sleeved with a cross frame 11, a vertical frame 15 is fixedly connected to the bottom of the cross frame 11, the movable shaft 13, the worm 16 and the connecting rods 8, Accurate and stable regulation, the middle part of the side surface of the vertical frame 15 is movably sleeved with a worm 16, the outer edge of the worm 16 is meshed with the outer edge of a worm wheel 14, the side surface of the worm 16 is movably connected with the inner wall of the wheel disc 6, the stability after the angle of the fan blade 9 is regulated is improved by utilizing the self-locking function of the worm wheel 14 and the worm 16, the fan blade 9 does not need to be locked after the angle is regulated by means of screws and the like, the regulation is simple and convenient, the middle part of the inner cavity of the worm 16 is provided with a fixed shaft 17, one end of the fixed shaft 17 extends to the outside of the wheel disc 6 and is fixedly connected with a knob 18, the middle part of the front surface of the knob 18 is provided with a pointer 19, one side of the front surface of the wheel disc 6 is provided with a dial 20 surrounding the outside of the knob.

The working principle is as follows: firstly, when in normal use, the starting motor 4 drives the wheel disc 6 on the rotating shaft 5 to rotate so as to drive the fan blades 9 to rotate, then, when the angle of the fan blades 9 needs to be adjusted, the motor 4 is closed, after the fan blades 9 stop rotating, the worm 16 on the fixed shaft 17 is driven to rotate by rotating the knob 18 on the front face of the wheel disc 6, the worm 16 is used for driving the worm wheel 14 to rotate, the worm wheel 14 rotates to drive the driving gears 12 at the two ends of the movable shaft 13 to rotate simultaneously, the two groups of driven gears 10 which are meshed with each other are driven to rotate simultaneously by the two groups of driving gears 12, so as to drive the two groups of fan blades 9 on the two groups of connecting rods 8 to rotate simultaneously, and further, the angles of the two groups of fan blades 9 are adjusted simultaneously, and finally, the matching of the.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reversible axial fan impeller rotation device, comprising a casing (1), characterized in that: one side of shell (1) inner chamber is equipped with fan housing (2), and the fixed cover in inner chamber of shell (1) is equipped with mount (3) of keeping away from fan housing (2) one side, the middle part fixed mounting of mount (3) has motor (4), fixed cover is equipped with pivot (5) on the output shaft of motor (4), the fixed cover in one end of pivot (5) has cup jointed rim plate (6), the fixed cover in top of rim plate (6) inner chamber is equipped with bearing (7), the middle part movable sleeve of bearing (7) has connecting rod (8), the top fixedly connected with flabellum (9) of connecting rod (8), and the fixed cover in bottom of connecting rod (8) is equipped with driven gear (10), crossbearer (11) have been cup jointed in the bottom activity of connecting rod (8), driven gear (10) have driving gear (12) along the meshing outward, the middle part of driving gear (12) is fixed cup jointed loose, the middle part fixed cover of loose axle (13) is equipped with worm wheel (14), and loose axle (13) cup joints with crossbearer (11) activity, the bottom fixedly connected with of crossbearer (11) erects frame (15), the middle part activity of erecting frame (15) side has cup jointed worm (16), the middle part of worm (16) inner chamber is equipped with fixed axle (17), the one end of fixed axle (17) extends to outside and fixedly connected with knob (18) of rim plate (6), the positive middle part of knob (18) is equipped with pointer (19), the positive one side of rim plate (6) is equipped with around dial (20) outside knob (18).

2. The reversible axial fan impeller rotation device of claim 1, wherein: the top of the wheel disc (6) is movably connected with the bottom of the fan blade (9), and the side surface of the wheel disc (6) is movably connected with the knob (18).

3. The reversible axial fan impeller rotation device of claim 1, wherein: the number of the driving gears (12) is two, and the two driving gears (12) are symmetrically distributed at two ends of the movable shaft (13).

4. The reversible axial fan impeller rotation device of claim 1, wherein: the outer edge of the worm (16) is meshed with the outer edge of the worm wheel (14), and the side surface of the worm (16) is movably connected with the inner wall of the wheel disc (6).