CN214577945U

CN214577945U - High-flow multi-wing centrifugal ventilator

Info

Publication number: CN214577945U
Application number: CN202022627027.7U
Authority: CN
Inventors: 吴兰勇; 解博超; 李清泉
Original assignee: Guangdong Nedfon Air System Co Ltd
Current assignee: Guangdong Nedfon Air System Co Ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-11-02
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a high flow multi-wing formula centrifugal fan relates to ventilation blower technical field, the on-line screen storage device comprises a base, the top one side fixedly connected with centrifugal fan body of base, the exhaust groove has been seted up to the inside of centrifugal fan body, inner wall one side middle part in exhaust groove is equipped with the pivot, the sliding connection of pivot has the connecting sleeve, the one end swing joint that the pivot is close to the connecting sleeve has fixation nut, the outer wall fixedly connected with impeller fan piece of connecting sleeve, the air intake has been seted up to the bottom in exhaust groove. This high flow multi-wing formula centrifugal fan through setting up connecting sleeve, fixation nut, dust exhaust mouth, electronic scraper blade, filter screen and protection casing, can avoid external dust to enter into the inside operation that influences the device of device, and the protection casing can protect the impeller fan piece to avoid the striking of external article, has reduced the impaired possibility of fan piece, has also simplified the dismouting of fan piece simultaneously, is favorable to the maintenance and the change of fan piece.

Description

High-flow multi-wing centrifugal ventilator

Technical Field

The utility model relates to a ventilation blower technical field specifically is a high flow multi-wing formula centrifugal fan.

Background

The ventilator is a machine for raising gas pressure and discharging gas by means of input mechanical energy, and is a driven fluid machine, and its exhaust pressure is less than 1.5X 10⁴Modern ventilators are widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings for ventilation, dust removal and cooling, in boilers and industrial kilns for ventilation and draught, in air conditioning equipment and household appliances for cooling and ventilation, for drying and sorting of grains, in wind tunnel wind sources and for inflating and propelling cushion boats, etc.

In chinese utility model patent application no: the CN201821562605.X discloses a multi-wing centrifugal fan, which comprises a bearing frame, wherein a driving motor is fixedly connected to the top of the bearing frame, a fan box is fixedly connected to the top of the bearing frame, which is located on the side face of the driving motor, a transmission rod is in threaded sleeve connection with an output shaft of the driving motor, a positioning bearing is in movable sleeve connection with one end, which is located in an inner cavity of the fan box, of the transmission rod, a driving sleeve is fixedly sleeve connected to the middle of the transmission rod, an installation sleeve is fixedly connected to the top of the driving sleeve, and fan blades are in movable sleeve connection with the inner cavity of the installation sleeve. This multi-wing formula centrifugal fan does not set up dustproof, thereby leads to its inside dust to pile up too much influence the operation of device to it leads to the device operation vibrations great not to set up damping device, and the operation is unstable, thereby produces great noise.

Therefore, there is a need to provide a high flow rate multi-bladed centrifugal fan that solves the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a high flow multi-wing formula centrifugal fan to current that proposes in solving above-mentioned background art does not set up dustproof, thereby leads to its inside dust to pile up too much influence device's operation, and does not set up damping device and leads to the device operation vibrations great, moves unstably, thereby produces the problem of great noise.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-flow multi-wing centrifugal ventilator comprises a base, wherein a damping sliding groove is formed in one side of the top of the base, a sliding plate is connected to the inside of the damping sliding groove in a sliding mode, a motor supporting seat is fixedly connected to the middle of the top end of the sliding plate, a servo motor is fixedly connected to the top of the motor supporting seat, a centrifugal ventilator body is fixedly connected to the other side of the top of the base, a ventilation groove is formed in the centrifugal ventilator body, a rotating shaft is arranged in the middle of one side of the inner wall of the ventilation groove, a connecting sleeve is connected to the rotating shaft in a sliding mode, a fixing nut is movably connected to one end, close to the connecting sleeve, of the rotating shaft, an impeller fan blade is fixedly connected to the outer wall of the connecting sleeve, an air inlet is formed in the bottom of the ventilation groove, an air inlet groove is formed in the middle of the front side of the outer wall of the base, and a filter screen is fixedly connected to the inner portions of the air inlet groove and the air inlet, the air outlet of the air exhaust groove is fixedly connected with a protective cover, the bottom of the base is fixedly connected with a supporting column, and the bottom of the supporting column is fixedly connected with a damping base.

Preferably, the inside of shock attenuation spout is equipped with first damping spring, first damping spring has a plurality ofly, and is a plurality of first damping spring is rectangle evenly distributed at the top and the bottom of slide, the inner wall fixed connection of the one end of first damping spring and shock attenuation spout, the other end of first damping spring and the outer wall fixed connection of slide.

Preferably, the outer wall of one end of the rotating shaft is rotatably connected with the centrifugal fan body, and one end of the rotating shaft extends out of the centrifugal fan body and is fixedly connected with an output shaft of the servo motor.

Preferably, the key slot has been seted up to connecting sleeve's inner wall, the key slot has two, two the key slot symmetric distribution, the one end outer wall fixedly connected with transmission key that pivot and connecting sleeve's inner wall link to each other, the transmission key has two, two transmission key evenly distributed, transmission key and key slot sliding connection.

Preferably, the impeller blades are multiple and uniformly distributed in an annular shape, the impeller blades are made of thin plates, and the shape of the impeller blades is circular arc.

Preferably, the bottom of air intake is linked together with the top of intake stack, the inside filter screen of intake stack is located the import department of intake stack, the outside of filter screen is equipped with electronic scraper blade, the dust exhaust mouth has been seted up to the bottom of electronic scraper blade.

Preferably, support column and vibration damping mount all have four, four support column and vibration damping mount are rectangle evenly distributed, the damping tank has been seted up at vibration damping mount's top middle part, the top sliding connection in damping tank has rubber shock pad board, rubber shock pad board's bottom fixedly connected with second damping spring, second damping spring has a plurality of bars, and is a plurality of second damping spring is rectangle evenly distributed, the bottom of support column and rubber shock pad board's top fixed connection.

(III) advantageous effects

Compared with the prior art, the utility model provides a high flow multi-wing formula centrifugal fan possesses following beneficial effect:

1. this high flow multi-wing formula centrifugal fan through setting up shock attenuation spout, slide, first damping spring and shock attenuation base, can effectually turn into the elasticity of spring with the vibrations that the ventilation blower produced because of work to reduce the vibrations of ventilation blower itself and with the relative vibrations in ventilation blower and ground, avoided the production of noise, guaranteed the operating stability of organism.

2. This high flow multi-wing formula centrifugal fan through setting up connecting sleeve, fixation nut, dust exhaust mouth, electronic scraper blade, filter screen and protection casing, can avoid external dust to enter into the inside operation that influences the device of device, and the protection casing can protect the impeller fan piece to avoid the striking of external article, has reduced the impaired possibility of fan piece, has also simplified the dismouting of fan piece simultaneously, is favorable to the maintenance and the change of fan piece.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the present invention;

FIG. 3 is a schematic top sectional view of the structure of the present invention;

fig. 4 is an enlarged schematic sectional view of the shock absorbing base of the present invention.

In the figure: 1. a base; 2. a shock-absorbing chute; 3. a slide plate; 4. a first damping spring; 5. a motor supporting seat; 6. a servo motor; 7. a rotating shaft; 8. a centrifugal fan body; 9. an impeller blade; 10. an exhaust duct; 11. a connecting sleeve; 12. a drive key; 13. a keyway; 14. fixing a nut; 15. an air inlet; 16. an air inlet groove; 17. a support pillar; 18. a shock-absorbing base; 19. a dust exhaust port; 20. an electric scraper; 21. filtering with a screen; 22. a rubber shock absorption base plate; 23. a second damping spring; 24. a damping groove; 25. a shield.

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.

Referring to fig. 1-4, a high-flow multi-wing centrifugal fan comprises a base 1, a damping chute 2 is formed at one side of the top of the base 1, a sliding plate 3 is slidably connected inside the damping chute 2, a plurality of first damping springs 4 are arranged inside the damping chute 2, the plurality of first damping springs 4 are uniformly distributed at the top and the bottom of the sliding plate 3 in a rectangular shape, one end of each first damping spring 4 is fixedly connected with the inner wall of the damping chute 2, the other end of each first damping spring 4 is fixedly connected with the outer wall of the sliding plate 3, a motor support base 5 is fixedly connected to the middle of the top end of the sliding plate 3, a servo motor 6 is fixedly connected to the top of the motor support base 5, a centrifugal fan body 8 is fixedly connected to the other side of the top of the base 1, an exhaust groove 10 is formed inside the centrifugal fan body 8, a rotating shaft 7 is arranged at the middle of one side of the inner wall of the exhaust groove 10, the outer wall of one end of a rotating shaft 7 is rotatably connected with a centrifugal ventilator body 8, one end of the rotating shaft 7 extends out of the centrifugal ventilator body 8 and is fixedly connected with an output shaft of a servo motor 6, a connecting sleeve 11 is slidably connected with the rotating shaft 7, key grooves 13 are formed in the inner wall of the connecting sleeve 11, the two key grooves 13 are symmetrically distributed, transmission keys 12 are fixedly connected to the outer wall of one end, connected with the inner wall of the connecting sleeve 11, of the rotating shaft 7, two transmission keys 12 are uniformly distributed, the transmission keys 12 are slidably connected with the key grooves 13, a fixing nut 14 is movably connected to one end, close to the connecting sleeve 11, of the rotating shaft 7, impeller fan blades 9 are fixedly connected with the outer wall of the connecting sleeve 11, a plurality of impeller fan blades 9 are arranged, the impeller fan blades 9 are annularly and uniformly distributed, the impeller fan blades 9 are made of thin plates, the impeller fan blades 9 are arc-shaped, and an air inlet 15 is formed in the bottom of an air exhaust groove 10, an air inlet groove 16 is formed in the middle of the front side of the outer wall of the base 1, the bottom of an air inlet 15 is communicated with the top of the air inlet groove 16, a filter screen 21 in the air inlet groove 16 is positioned at an inlet of the air inlet groove 16, an electric scraper 20 is arranged on the outer side of the filter screen 21, a dust exhaust port 19 is formed in the bottom of the electric scraper 20, the filter screens 21 are fixedly connected in the air inlet groove 16 and the air inlet 15, a protective cover 25 is fixedly connected at an air outlet of the air exhaust groove 10, and by arranging a connecting sleeve 11, a fixing nut 14, the dust exhaust port 19, the electric scraper 20, the filter screen 21 and the protective cover 25, external dust can be prevented from entering the device to influence the operation of the device, the protective cover 25 can protect an impeller fan blade 9 from being impacted by external objects, the possibility of damage of the fan blade is reduced, meanwhile, the disassembly and assembly of the fan blade are simplified, the overhaul and replacement of the fan blade are facilitated, a support column 17 is fixedly connected to the bottom of the base 1, the bottom of the supporting column 17 is fixedly connected with a shock absorption base 18, the number of the supporting column 17 and the number of the shock absorption base 18 are four, the four supporting columns 17 and the four shock absorption base 18 are uniformly distributed in a rectangular shape, the middle part of the top end of the shock absorption base 18 is provided with a shock absorption groove 24, the top of the shock absorption groove 24 is connected with a rubber shock absorption base plate 22 in a sliding manner, the bottom of the rubber shock absorption base plate 22 is fixedly connected with a second shock absorption spring 23, the second shock absorption spring 23 is provided with a plurality of second shock absorption springs 23 which are uniformly distributed in a rectangular shape, the bottom of the supporting column 17 is fixedly connected with the top of the rubber shock absorption base plate 22, through the arrangement of the shock absorption groove 2, the sliding plate 3, the first shock absorption spring 4 and the shock absorption base 18, the shock generated by the work can be effectively converted into the elastic force of the spring, thereby the shock of the ventilator and the shock relative to the ground with the ventilator can be reduced, and the generation of noise can be avoided, the operation stability of the machine body is ensured.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the air suction device is used, the servo motor 6 is started, the servo motor 6 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the connecting sleeve 11 to rotate through the matching of the transmission key 12 and the key groove 13, the connecting sleeve 11 drives the impeller fan sheet 9 to rotate, the impeller fan sheet 9 sucks air into the air exhaust groove 10 from the air inlet groove 16 through the air inlet 15, and discharged from the air outlet of the air discharge groove 10, the filter screen 21 filters the air entering the air inlet groove 16, the electric scraper 20 is started, the electric scraper 20 reciprocates to scrape off the dust on the outer side of the filter screen 21, meanwhile, the vibration generated by the servo motor 6 is transmitted to the sliding plate 3 through the motor supporting seat 5, the sliding plate 3 generates vibration and compresses the first damping spring 4, the vibration force is converted into the elastic force of the first damping spring 4, and simultaneously, the vibration generated by the whole equipment is transferred into the elastic force of the second damping spring 23 inside the damping base 18 through the supporting column 17.

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. The utility model provides a high flow multi-wing formula centrifugal fan, includes base (1), its characterized in that: the damping device is characterized in that a damping chute (2) is formed in one side of the top of the base (1), a sliding plate (3) is connected to the inside of the damping chute (2) in a sliding manner, a motor supporting seat (5) is fixedly connected to the middle of the top end of the sliding plate (3), a servo motor (6) is fixedly connected to the top of the motor supporting seat (5), a centrifugal fan body (8) is fixedly connected to the other side of the top of the base (1), an exhaust groove (10) is formed in the inside of the centrifugal fan body (8), a rotating shaft (7) is arranged in the middle of one side of the inner wall of the exhaust groove (10), a connecting sleeve (11) is connected to the rotating shaft in a sliding manner, a fixing nut (14) is movably connected to one end, close to the connecting sleeve (11), of the rotating shaft (7), an impeller fan blade (9) is fixedly connected to the outer wall of the connecting sleeve (11), and an air inlet (15) is formed in the bottom of the exhaust groove (10), air inlet groove (16) have been seted up at the outer wall front side middle part of base (1), the equal fixedly connected with filter screen (21) in inside of air inlet groove (16) and air intake (15), the fixedly connected with protection casing (25) of the air outlet department of exhaust groove (10), the bottom fixedly connected with support column (17) of base (1), the bottom fixedly connected with vibration damping mount (18) of support column (17).

2. A high flow multi-winged centrifugal fan according to claim 1 wherein: the inside of shock attenuation spout (2) is equipped with first damping spring (4), first damping spring (4) have a plurality ofly, a plurality of first damping spring (4) are rectangle evenly distributed at the top and the bottom of slide (3), the one end of first damping spring (4) and the inner wall fixed connection of shock attenuation spout (2), the other end of first damping spring (4) and the outer wall fixed connection of slide (3).

3. A high flow multi-winged centrifugal fan according to claim 1 wherein: the outer wall of one end of the rotating shaft (7) is rotatably connected with the centrifugal fan body (8), and one end of the rotating shaft (7) extends out of the centrifugal fan body (8) and is fixedly connected with an output shaft of the servo motor (6).

4. A high flow multi-winged centrifugal fan according to claim 1 wherein: keyway (13) have been seted up to the inner wall of connecting sleeve (11), keyway (13) have two, two keyway (13) symmetric distribution, one end outer wall fixedly connected with transmission key (12) that pivot (7) and the inner wall of connecting sleeve (11) link to each other, transmission key (12) have two, two transmission key (12) evenly distributed, transmission key (12) and keyway (13) sliding connection.

5. A high flow multi-winged centrifugal fan according to claim 1 wherein: the impeller fan comprises a plurality of impeller fan blades (9), the impeller fan blades (9) are uniformly distributed in an annular shape, the impeller fan blades (9) are made of thin plates, and the impeller fan blades (9) are arc-shaped.

6. A high flow multi-winged centrifugal fan according to claim 1 wherein: the bottom of air intake (15) is linked together with the top of air inlet groove (16), the inside filter screen (21) of air inlet groove (16) is located the import department of air inlet groove (16), the outside of filter screen (21) is equipped with electronic scraper blade (20), dust exhaust mouth (19) have been seted up to the bottom of electronic scraper blade (20).

7. A high flow multi-winged centrifugal fan according to claim 1 wherein: support column (17) and vibration damping mount (18) all have four, four support column (17) and vibration damping mount (18) are rectangle evenly distributed, damping groove (24) have been seted up at the top middle part of vibration damping mount (18), the top sliding connection of damping groove (24) has rubber shock pad (22), the bottom fixedly connected with second damping spring (23) of rubber shock pad (22), second damping spring (23) have a plurality of bars, and are a plurality of second damping spring (23) are rectangle evenly distributed, the bottom of support column (17) and the top fixed connection of rubber shock pad (22).