CN213331585U

CN213331585U - Energy-saving axial flow fan

Info

Publication number: CN213331585U
Application number: CN202022236097.XU
Authority: CN
Inventors: 任向阳; 任定国
Original assignee: Lishui Fengsheng Electromechanical Manufacturing Co ltd
Current assignee: Lishui Fengsheng Electromechanical Manufacturing Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-06-01
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses an energy-saving axial flow fan, which comprises a base and a casing fixedly arranged on the base, wherein an air supply device and a driving device are arranged in the casing, the air supply device comprises a turntable, a plurality of adjusting mechanisms and an adjusting cover, the adjusting mechanisms comprise blades, a connecting block and a fastening block, the fastening block comprises a rotating cover and an inserting block, and the turntable is tangential to the rotating cover and is vertically provided with a plurality of inserting holes; a plurality of tooth-shaped strips are arranged below the adjusting cover and vertically penetrate into the inserting holes; the driving device comprises a housing, a connecting rod, a gear set, a rotating shaft, a driven wheel, a driving wheel, a belt and a driving motor. The utility model discloses compact structure, blade angularly adjustable reduces the vibration, and energy-conservation subtracts the consumption.

Description

Energy-saving axial flow fan

Technical Field

The utility model relates to an axial fan technical field, concretely relates to energy-saving axial fan.

Background

Axial flow fans force air to flow parallel to the fan axis. The axial flow fan is generally used in occasions with higher flow requirements and lower pressure requirements, and can be used for ventilation or enhanced heat dissipation in places such as metallurgy, chemical engineering, light industry, food, medical equipment, mechanical equipment, civil buildings and the like. Axial flow fans are fixed in position and move air, mainly consist of a fan impeller and a casing, and are simple in structure but have high data requirements.

In the prior art, when the axial flow fan is started, the current of the motor is 5-6 times higher than the rated current, so that the service life of the motor is influenced, more electric quantity is consumed, the design of the energy-saving axial flow fan is necessary for responding to the energy-saving and emission-reduction requirements and considering the enterprise cost, but the service life of the motor is influenced by frequently changing the power output of the motor.

Disclosure of Invention

In order to solve the above problems, the present invention provides an energy-saving axial flow fan, which has adjustable blades and can save energy and reduce consumption.

The utility model adopts the technical proposal that:

an energy-saving axial flow fan comprises a base and a casing fixedly arranged on the base, wherein an air supply device and a driving device are arranged in the casing, the air supply device comprises a rotary table, a plurality of adjusting mechanisms and an adjusting cover, each adjusting mechanism comprises a blade, a connecting block and a fastening block, each fastening block comprises a rotary cover and an inserting block, and a plurality of inserting holes are vertically formed in the rotary table and are tangent to the rotary cover; a plurality of tooth-shaped strips are arranged below the adjusting cover and vertically penetrate into the inserting holes; the driving device comprises a housing, a connecting rod, a gear set, a rotating shaft, a driven wheel, a driving wheel, a belt and a driving motor.

Preferentially, the outer side of the rotary table is provided with a plurality of grooves, the fastening blocks are arranged in the grooves, the connecting blocks are fixedly arranged at one ends of the blades and are externally provided with external threads, and the inserting blocks are arranged in the middle of the rotating cover and are internally provided with internal threads and are in threaded connection with the connecting blocks.

Preferentially, the teeth of the toothed strip are arranged on one side close to the center of the adjusting cover, the outer side of the rotating cover is provided with transverse threads and is meshed with the toothed strip, and the middle of the rotary table is provided with a fixing hole and threads are arranged inside the rotary table.

Preferably, the central angle formed by the adjacent blades and the circle center of the rotary table is the same as the central angle formed by the adjacent inserting holes and the circle center of the adjusting cover, and the number of the blades, the number of the grooves, the number of the toothed bars and the number of the fastening blocks are the same.

Preferably, the connecting rod and the gear set are both arranged in the outer cover, and the gear set comprises a large gear and a plurality of small gears which are both in meshed connection with the large gear.

Preferentially, the connecting rod includes dead lever, bracing piece and a plurality of interlude pole, and dead lever one end interlude makes connecting rod and carousel threaded connection in the fixed orifices, and the bracing piece middle part is located in the interlude of the dead lever other end, and pinion is connected with bracing piece perpendicular and fixed connection and the other end to interlude pole one end.

Preferentially, the gear wheel is connected to pivot one end and the other end is connected from the driving wheel, and driving motor locates in the base and is connected with the drive shaft, and driving motor one end connection action wheel is kept away from to the drive shaft, and the belt cover is located the action wheel and is followed the driving wheel outside.

Preferentially, be equipped with rubber base and driving motor in the base and locate on the rubber base, the base has a plurality of gyro wheels.

The utility model has the advantages that:

1. the blade is in threaded connection with the fastening block through the connecting block, the toothed strip on the adjusting cover is in meshed connection with the rotating cover, and the adjusting cover is pressed downwards to enable the toothed strip to drive the rotating cover to drive the inserting block, the connecting block and the blade to rotate, so that the angle adjustment of the blade is realized, the air supply efficiency of the axial flow fan is adjusted, and further, the energy consumption is reduced;

2. the pinion is driven to rotate by the bull gear, the transmission ratio is high, and the pinion is driven to rotate quickly by the bull gear at a low speed, so that energy-saving air supply is realized;

3. the driving motor is arranged in the base and does not contact with the shell, and the vibration is reduced through belt transmission, so that the normal operation of the axial flow fan is prevented from being influenced by the vibration.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic connection diagram of the present invention;

FIG. 2 is a schematic view of the connection of the air supply device of the present invention;

FIG. 3 is a schematic view of the gear set connection of the present invention;

fig. 4 is a schematic view of the connection of the adjusting cover of the present invention.

Labeled as: 1. the automatic air-blowing device comprises a base, 11 rubber bases, 12 rollers, 2 machine cases, 3 air-blowing devices, 31 rotating discs, 311 inserting holes, 312 grooves, 313 fixing holes, 32 adjusting covers, 321 toothed bars, 4 adjusting structures, 41 blades, 42 connecting blocks, 43 fastening blocks, 431 rotating covers, 432 inserting blocks, 5 driving devices, 51 outer covers, 52 connecting rods, 521 fixing rods, 522 supporting rods, 523 inserting rods, 53 gear sets, 531 large gears, 532 pinions, 54 rotating shafts, 55 driven wheels, 56 driving wheels, 57 belts, 58 driving motors and 581 driving shafts.

Detailed Description

As shown in fig. 1, an energy-saving axial flow fan, includes base 1 and fixed casing 2 of locating on base 1, is equipped with air supply arrangement 3 and drive arrangement 5 in the casing 2, is equipped with rubber base 11 and driving motor 58 in the base 1 and locates on rubber base 11, and base 1 has a plurality of gyro wheels 12, wherein:

as shown in fig. 1, 2 and 4, the air supply device 3 includes a rotary table 31, a plurality of adjusting mechanisms and an adjusting cover 32, the adjusting mechanisms include blades 41, a connecting block 42 and a fastening block 43, the fastening block 43 includes a rotary cover 431 and an inserting block 432, a plurality of grooves 312 are formed on the outer side of the rotary table 31, the fastening block 43 is arranged in the grooves 312, the connecting block 42 is fixedly arranged at one end of the blades 41, external threads are formed on the outer side of the connecting block, the inserting block 432 is arranged in the middle of the rotary cover 431, internal threads are formed in the inserting block 432, and the inserting block is in threaded connection; the rotary table 31 is tangent to the rotary cover 431 and is vertically provided with a plurality of inserting holes 311, a plurality of tooth-shaped strips 321 are arranged below the adjusting cover 32 and vertically penetrate into the inserting holes 311, teeth of the tooth-shaped strips 321 are arranged on one side close to the center of the adjusting cover 32, transverse threads are arranged on the outer side of the rotary cover 431 and are meshed with the tooth-shaped strips 321, the middle of the rotary table 31 is provided with a fixing hole 313 and is internally provided with threads, the central angle formed by the adjacent blades 41 and the circle center of the rotary table 31 is the same as the central angle formed by the adjacent inserting holes 311 and the circle center of the adjusting cover 32, and the number of the blades 41, the number of the grooves 312, the number of the tooth-; the blade 41 is in threaded connection with the fastening block 43 through the connecting block 42, the toothed strip 321 on the adjusting cover 32 is in meshed connection with the rotating cover 431, and the adjusting cover 32 is pressed downwards to the turntable 31, so that the toothed strip 321 drives the rotating cover 431 to rotate and drives the inserting block 432, the connecting block 42 and the blade 41 to rotate, the angle adjustment of the blade 41 is realized, the air supply efficiency of the axial flow fan is adjusted, and the energy consumption is further reduced;

as shown in fig. 1 and 2, the driving device 5 includes an outer cover 51, a connecting rod 52, a gear set 53, a rotating shaft 54, a driven wheel 55, a driving wheel 56, a belt 57 and a driving motor 58, the connecting rod 52 and the gear set 53 are both disposed in the outer cover 51, the gear set 53 includes a large gear 531 and a plurality of small gears 532 both meshed with the large gear 531, the number of teeth of the large gear 531 is greater than that of the small gears 532, that is, the transmission ratio is large, and the small gears 532 can rotate rapidly by the slow rotation of the large gear 531, so as to reduce energy consumption; the connecting rod 52 comprises a fixing rod 521, a supporting rod 522 and a plurality of inserting rods 523, one end of the fixing rod 521 is inserted in the fixing hole 313 to enable the connecting rod 52 to be in threaded connection with the rotary table 31, the other end of the fixing rod 521 is inserted in the middle of the supporting rod 522, one end of the inserting rod 523 is perpendicular to the supporting rod 522 and is fixedly connected with the other end of the same and is connected with a pinion 532, one end of a rotating shaft 54 is connected with a gearwheel 531, the other end of the rotating shaft is connected with a driven wheel 55, a driving motor 58 is arranged in the base 1 and is connected with a driving shaft 581, one end of the driving shaft.

The utility model has the advantages that: the structure is compact, the angle of the blade is adjustable, the vibration is reduced, and the energy is saved and the consumption is reduced.

Although the present invention has been described in detail 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an energy-saving axial fan, includes the base and fixes the casing of locating on the base, is equipped with air supply arrangement and drive arrangement in the casing, its characterized in that: the air supply device comprises a rotary table, a plurality of adjusting mechanisms and an adjusting cover, wherein each adjusting mechanism comprises a blade, a connecting block and a fastening block, each fastening block comprises a rotating cover and an inserting block, and a plurality of inserting holes are vertically formed in the rotary table and are tangent to the rotating covers; a plurality of tooth-shaped strips are arranged below the adjusting cover and vertically penetrate into the inserting holes; the driving device comprises a housing, a connecting rod, a gear set, a rotating shaft, a driven wheel, a driving wheel, a belt and a driving motor.

2. The energy-saving axial flow fan according to claim 1, wherein: the carousel outside is equipped with a plurality of recesses and fastening block and locates in the recess, and the connecting block is fixed to be located blade one end and outside and is equipped with the external screw thread, and the grafting piece is located and is rotated lid middle part and is equipped with the internal thread in the grafting piece and with connecting block threaded connection.

3. The energy-saving axial flow fan according to claim 1, wherein: the teeth of the toothed strip are arranged on one side close to the center of the adjusting cover, the outer side of the rotating cover is provided with transverse threads and is meshed with the toothed strip, and the middle of the rotary table is provided with a fixing hole and threads are arranged inside the rotary table.

4. The energy-saving axial flow fan according to claim 1, wherein: the central angle formed by the adjacent blades and the circle center of the rotary table is the same as the central angle formed by the adjacent inserting holes and the circle center of the adjusting cover, and the number of the blades, the number of the grooves, the number of the toothed bars and the number of the fastening blocks are the same.

5. The energy-saving axial flow fan according to claim 1, wherein: the connecting rod and the gear set are arranged in the outer cover, and the gear set comprises a large gear and a plurality of small gears which are connected with the large gear in a meshed mode.

6. The energy-saving axial flow fan according to claim 1, wherein: the connecting rod includes dead lever, bracing piece and a plurality of interlude pole, and dead lever one end interlude makes connecting rod and carousel threaded connection in the fixed orifices, and the bracing piece middle part is located in the interlude of the dead lever other end, and pinion is connected to perpendicular just fixed connection of interlude pole one end and bracing piece and the other end.

7. The energy-saving axial flow fan according to claim 1, wherein: the gear wheel is connected to pivot one end and the other end is connected from the driving wheel, and driving motor locates in the base and is connected with the drive shaft, and the drive shaft is kept away from driving motor one end and is connected the action wheel, and the belt cover is located the action wheel and is followed the driving wheel outside.

8. The energy-saving axial flow fan according to claim 1, wherein: be equipped with rubber base and driving motor in the base and locate on the rubber base, the base has a plurality of gyro wheels.