CN217682374U

CN217682374U - Supercharging axial flow fan

Info

Publication number: CN217682374U
Application number: CN202221471365.9U
Authority: CN
Inventors: 肖奶华; 阮元平; 张祖寿
Original assignee: Fujian Huada Electric Co ltd
Current assignee: Fujian Huada Electric Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-28
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a booster axial flow fan, which comprises an air duct, a driving fan blade and a driving motor, wherein the driving fan blade is arranged in the air duct and generates air flow, and the driving motor drives the driving fan blade to rotate; the method is characterized in that: a supercharging fan blade which enables the air flow generated by the driving fan blade to be changed into linear air flow from spiral air flow is fixed in the air duct; a fixed sleeve for fixing a driving motor is fixed at one end of the supercharging fan blade far away from the air duct; a fixed end plate for fixing a driving motor is fixed at two ends of the fixed sleeve, and a plurality of locking holes are formed in the fixed end plate; a plurality of limiting grooves matched with the locking holes are fixed on the outer side of the driving motor; the driving motor passes through the locking hole and the limiting groove through a locking shaft to lock the driving motor on the fixing sleeve; and a locking end plate in threaded connection with the locking shaft is further fixed at one end of the driving motor, which is far away from the fixed end plate.

Description

Supercharging axial flow fan

Technical Field

The utility model relates to an axial fan technical field especially relates to a booster axial fan.

Background

The axial flow fan is a fan frequently used in daily life, is commonly used in places such as pipeline gas conveying and indoor ventilation, and provides a lot of convenience for life, most of the existing axial flow fans drive fan blades to rotate through a motor so that air flows in an air duct, most of the existing axial flow fans are connected with a sleeve through a single surface, most of the motors are in a suspended state, vibration is easily amplified in the working process of the motors, and certain potential safety hazards exist due to the fact that screws are easily loosened due to long-term vibration.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a booster axial fan to solve the above problem.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pressurized axial flow fan, which comprises an air duct, a driving fan blade and a driving motor, wherein the driving fan blade is arranged in the air duct and generates air flow; the method is characterized in that: a supercharging fan blade which enables the air flow generated by the driving fan blade to be changed into linear air flow from spiral air flow is fixed in the air duct; a fixed sleeve for fixing a driving motor is fixed at one end of the pressurizing fan blade far away from the air duct; a fixed end plate for fixing a driving motor is fixed at two ends of the fixed sleeve, and a plurality of locking holes are formed in the fixed end plate; a plurality of limiting grooves matched with the locking holes are fixed on the outer side of the driving motor; the driving motor passes through the locking hole and the limiting groove through a locking shaft to lock the driving motor on the fixing sleeve; and a locking end plate in threaded connection with the locking shaft is further fixed at one end of the driving motor, which is far away from the fixed end plate.

Furthermore, the supercharging fan blade is obliquely fixed on the inner side of the air duct.

Further, the driving fan blade comprises a blade and a polygonal limiting block fixed at the lower end of the blade; and a fan blade fixing platform for mounting a supercharging fan blade is fixed on the rotating shaft of the driving motor.

Furthermore, the fan blade fixing platform comprises a fixing cylinder fixed on the rotating shaft of the driving motor, a bearing plate fixed on the fixing cylinder, a lower pressing plate matched with the bearing plate, a clamping groove formed in the bearing plate and used for limiting the polygonal limiting block, and a lower pressing groove formed in the lower pressing plate and matched with the clamping groove.

Further, the bearing plate is fixedly connected with the lower pressing plate through a plurality of locking screws.

The utility model has the advantages that:

a booster axial fan, the driving motor drives the drive blade to rotate at a high speed and push the air current to advance when the fan works, the air current produced is the air current that the heliciform advances, change the air current that the heliciform advances into the air current that the straight line advances under the function of the booster blade and reduce the kinetic energy loss of the air current in the course of transporting and therefore realize the pressurized effect; a fixing sleeve is arranged at one end, far away from the air duct, of the pressurizing fan blade, fixing end plates for fixing a driving motor are arranged at two ends of the fixing sleeve, a plurality of limiting grooves matched with the locking holes are fixed on the outer side of the driving motor, the driving motor penetrates through the locking holes and the limiting grooves through a locking shaft to lock the driving motor on the fixing sleeve, so that the driving motor and the fixing sleeve have more contact points, the driving motor is fixed more stably, and vibration amplification of the driving motor during working is avoided;

the two ends of the fixed sleeve are provided with fixed end plates for fixing the driving motor, a plurality of limiting grooves matched with the locking holes are fixed on the outer side of the driving motor, and the driving motor penetrates through the locking holes and the limiting grooves through a locking shaft to be locked on the fixed sleeve; when the driving motor is installed, the limiting groove on the driving motor and the locking hole are aligned and inserted into the locking shaft, so that the driving motor can be quickly and fixedly installed, and the installation is convenient and quick.

Drawings

Fig. 1 is a schematic view of the overall structure of a booster axial flow fan of the present invention;

fig. 2 is a schematic structural view of a driving motor of a booster axial flow fan according to the present invention;

fig. 3 is a schematic view of a structure of a blower barrel of a pressurized axial flow fan of the present invention;

FIG. 4 is the utility model discloses a booster axial fan drives fan blade structure sketch map

Fig. 5 is a schematic structural view of a blade of a booster axial flow fan according to the present invention;

FIG. 6 is a schematic view of the bearing plate structure of axial flow fan with increased pressure

Fig. 7 is a schematic diagram of a lower pressing plate structure of a booster axial flow fan.

Reference numbers in the figures:

1. an air duct; 2. driving the fan blade; 3. a drive motor; 4. a supercharging fan blade; 5. fixing the sleeve; 6. fixing the end plate; 7. a locking hole; 8. a limiting groove; 9. a locking shaft; 10. locking the end plate; 11. a blade; 12. a polygonal limiting block; 13. a fan blade fixing table; 14. a fixed cylinder; 15. a carrier plate; 16. a lower pressing plate; 17. a clamping groove; 18. pressing the groove downwards; 19. and locking the screw.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 7, the axial flow blower provided in this embodiment includes an air duct 1, a driving blade 2 disposed in the air duct 1 for generating an air flow, and a driving motor 3 for driving the driving blade 2 to rotate; the method is characterized in that: a supercharging fan blade 4 which changes the air flow generated by the driving fan blade 2 from spiral air flow to linear air flow is fixed in the air duct 1; a fixing sleeve 5 for fixing the driving motor 3 is fixed at one end of the supercharging fan blade 4 far away from the air duct 1; a fixed end plate 6 for fixing the driving motor 3 is fixed at two ends of the fixed sleeve 5, and a plurality of locking holes 7 are formed in the fixed end plate 6; a plurality of limiting grooves 8 matched with the locking holes 7 are fixed on the outer side of the driving motor 3; the driving motor 3 passes through the locking hole 7 and the limiting groove 8 through a locking shaft 9 to lock the driving motor 3 on the fixing sleeve 5; and a locking end plate 10 which is in threaded connection with the locking shaft 9 is also fixed at one end of the driving motor 3 far away from the fixed end plate 6.

Further, the supercharging fan blade 4 is obliquely fixed on the inner side of the air duct 1; the angle of inclination of the pressurizing fan blade 4 is opposite to that of the driving fan blade 2, and the direction of airflow generated by the driving fan blade 2 is changed under the action of the pressurizing fan blade, and the airflow is changed from spiral advancing to linear advancing.

Further, the driving fan blade 2 comprises a blade 11 and a polygonal limiting block 12 fixed at the lower end of the blade 11; a fan blade fixing table 13 for mounting a supercharging fan blade 4 is fixed on the rotating shaft of the driving motor 3; the driving fan blades 2 are fixed around the fixed platform 13, so that generated wind energy can be output from an air channel between the fixed sleeve 5 and the air duct 1, the surface avoidance driving motor 3 generates resistance to the generated wind, and the utilization efficiency of the wind energy is increased.

Further, the fan blade fixing table 13 comprises a fixing cylinder 14 fixed on the rotating shaft of the driving motor 3, a bearing plate 15 fixed on the fixing cylinder 14, a lower pressing plate 16 matched with the bearing plate 15, a clamping groove 17 formed in the bearing plate 15 and used for limiting the polygonal limiting block 12, and a lower pressing groove 18 formed in the lower pressing plate 16 and matched with the clamping groove 17; the bearing plate 15 is fixedly connected with the lower pressure plate 16 through a plurality of locking screws 19; the polygonal limiting block 12 is placed in the clamping groove 17, the lower pressing plate 16 is attached to the bearing plate 15, the bearing plate 15 and the lower pressing plate 16 are locked through the locking screw 19, and then the blade 11 is fixed, so that the blade 11 is fixed and mounted more conveniently and rapidly.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. A booster axial flow fan comprises an air duct (1), a driving fan blade (2) which is arranged in the air duct (1) and generates air flow, and a driving motor (3) which drives the driving fan blade (2) to rotate; the method is characterized in that: a supercharging fan blade (4) which changes the air flow generated by the driving fan blade (2) from spiral air flow to linear air flow is fixed in the air duct (1); a fixing sleeve (5) for fixing the driving motor (3) is fixed at one end of the supercharging fan blade (4) far away from the air duct (1); a fixed end plate (6) for fixing a driving motor (3) is fixed at two ends of the fixed sleeve (5), and a plurality of locking holes (7) are formed in the fixed end plate (6); a plurality of limiting grooves (8) matched with the locking holes (7) are fixed on the outer side of the driving motor (3); the driving motor (3) passes through the locking hole (7) and the limiting groove (8) through a locking shaft (9) to lock the driving motor (3) on the fixing sleeve (5); and a locking end plate (10) in threaded connection with the locking shaft (9) is further fixed at one end of the driving motor (3) far away from the fixed end plate (6).

2. A booster axial flow fan according to claim 1, characterized in that: the supercharging fan blade (4) is obliquely fixed on the inner side of the wind barrel (1).

3. A booster axial flow fan according to claim 1, characterized in that: the driving fan blade (2) comprises a blade (11) and a polygonal limiting block (12) fixed at the lower end of the blade (11); and a fan blade fixing table (13) for mounting a supercharging fan blade (4) is fixed on the rotating shaft of the driving motor (3).

4. A booster axial flow fan according to claim 3, characterized in that: the fan blade fixing platform (13) comprises a fixing cylinder (14) fixed on a rotating shaft of the driving motor (3), a bearing plate (15) fixed on the fixing cylinder (14), a lower pressing plate (16) matched with the bearing plate (15), a clamping groove (17) formed in the bearing plate (15) and used for limiting the polygonal limiting block (12), and a lower pressing groove (18) formed in the lower pressing plate (16) and matched with the clamping groove (17).

5. A booster axial flow fan according to claim 4, characterized in that: the bearing plate (15) is fixedly connected with the lower pressing plate (16) through a plurality of locking screws (19).