CN210565214U

CN210565214U - Portable centrifugal fan

Info

Publication number: CN210565214U
Application number: CN201921081966.7U
Authority: CN
Inventors: 刘争; 王迪
Original assignee: Wuxi Jingen Fan Co Ltd
Current assignee: Wuxi Jingen Fan Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-19
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a portable centrifugal fan relates to centrifugal fan technical field, and along with the improvement of rotational speed for solving, the noise that accompanies also becomes big, can reduce the life of blade moreover and the problem of the transport of not being convenient for. The utility model discloses a wheel shell, including operation panel, wheel shell, bearing frame, motor, pivot, fixing device, bearing frame, pivot, motor output end, casing, bearing frame, pivot, motor, casing, wheel shell, motor, casing, wheel shell, motor, wheel shell, motor, casing, wheel shell, motor, wheel shell, motor.

Description

Portable centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a portable centrifugal fan.

Background

The centrifugal fan is a machine which can raise gas pressure and send gas by means of input mechanical energy, and is a driven fluid equipment, mainly formed from wheel shell and machine shell. In the working process, the wheel shell rotates to drive the gas to flow, so that the gas flow is discharged and conveyed. Cyclone dust collectors, bag-type dust collectors and the like in stone cutting and grinding processes need to be dedusted by a centrifugal fan in a production field, so that clean production environment is ensured, and physical and psychological health of producers is protected. Portable centrifugal fans have emerged for reuse.

At present, when a centrifugal fan is used, airflow generates great resistance to a blade when a wheel shell rotates, the resistance affects the energy efficiency of the fan, accompanying noise is increased along with the increase of the rotating speed, and the service life of the blade is shortened; after long-time use, in the using process, the whole body is loosened due to resonance, which is not beneficial to the maintenance of equipment; the existing centrifugal fan is fixed at one position, is inconvenient to carry and has low efficiency. There is therefore a great need in the market for a portable centrifugal fan to solve these problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable centrifugal fan to provide along with the improvement of rotational speed in solving above-mentioned background art, the noise that accompanies also becomes big, can reduce the life of blade moreover and the problem of the transport of not being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: a portable centrifugal fan comprises an operation table, wherein two moving devices are arranged below the operation table, the two moving devices are symmetrically arranged about a vertical center line of the operation table, one side of the two moving devices is provided with a fixing device, a controller is arranged above the operation table, a support frame is arranged above the controller and is connected with the operation table through screws, a motor is arranged above the support frame, a shock pad is arranged between the motor and the support frame, one side of the motor is provided with a casing, a wheel shell is arranged inside the casing, a bearing seat is arranged at the center position of one side of the inner wall of the wheel shell and is connected with the wheel shell in a gas welding mode, blades are arranged inside the wheel shell and are four in number, and the four blades are sequentially arranged inside the wheel shell, one side of wheel shell is provided with the air intake, and air intake and wheel shell sealing connection, one side of motor output is provided with the pivot, and the pivot passes through the coupling joint with the output of motor, one section of pivot runs through casing and wheel shell and extends to the inside of bearing frame, the below of casing is provided with the air outlet, and air outlet and casing sealing connection.

Preferably, the inside of operation panel is provided with damping spring, and damping spring is provided with six, and six damping spring are in the inside equidistance setting of operation panel.

Preferably, a silica gel pad is arranged between the air outlet and the operating platform, and two ends of the silica gel pad are respectively attached to the lower end face of the air outlet and the upper end face of the operating platform.

Preferably, the contact positions of the rotating shaft and the shell and the wheel shell are provided with sealing rings.

Preferably, sawtooth grooves are formed in two sides of each of the four blades, airflow grooves are formed in the four blades, and through holes are formed in one sides of the airflow grooves.

Preferably, the below of operation panel is provided with the support column, and the support column is connected with the operation panel gas welding, the below of support column is provided with the gyro wheel, and gyro wheel and support column sliding connection.

Preferably, one side of support column is provided with the bearing block, the below of bearing block is provided with the pneumatic cylinder, the below of pneumatic cylinder is provided with the supporting disk.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a device is through the settlement to the blade, and the width of blade root is less than terminal width, and the sawtooth groove on the blade root is less than the sawtooth groove on the blade end, is carrying out the during operation like this, will reduce the resistance that the blade received, makes the air current velocity of flow strengthen from the blade end to the root gradually simultaneously, has both improved the availability factor of fan, has also reduced the noise simultaneously, has guaranteed the life of blade. The problem of during operation, along with the improvement of rotational speed, the resistance that receives also can increase thereupon, leads to the life of blade to reduce is solved.

2. The utility model discloses a device is through the shock pad that sets up between motor and support frame, the silica gel pad that sets up between air outlet and the operation panel and at operation panel internally mounted's damping spring, can effectively carry out the shock attenuation to the vibrations that motor work produced, has reduced the noise, prevents to damage equipment because of resonating. The problem of the damage of equipment because of resonance reason is solved.

3. The utility model discloses a device can remove the fan to the place that needs work through mobile device through fixing device and the mobile device that sets up in the operation panel below, can fix the fan through fixing device. The problem of centrifugal fan be difficult for removing is solved.

Drawings

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

fig. 2 is a side cross-sectional view of the present invention;

FIG. 3 is a schematic view of the internal structure of the wheel housing of the present invention;

FIG. 4 is a schematic view of the internal structure of the operation table of the present invention;

fig. 5 is a schematic structural diagram of the fixing device and the moving device of the present invention.

In the figure: 1. an operation table; 2. a fixing device; 3. a mobile device; 4. a support frame; 5. a shock pad; 6. a motor; 7. a rotating shaft; 8. a seal ring; 9. a housing; 10. a wheel housing; 11. a blade; 12. an air inlet; 13. an air outlet; 14. a bearing seat; 15. a silica gel pad; 16. a sawtooth groove; 17. an air flow groove; 18. a through hole; 19. a damping spring; 20. a bearing block; 21. a hydraulic cylinder; 22. a support disc; 23. a support pillar; 24. a roller; 25. and a controller.

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. 1-5, the present invention provides an embodiment: a portable centrifugal fan comprises an operation table 1, wherein two moving devices 3 are arranged below the operation table 1, the two moving devices 3 are symmetrically arranged about the vertical center line of the operation table 1 to facilitate moving of the fan, one side of each moving device 3 is provided with a fixing device 2 capable of fixing the moving fan, a controller 25 is arranged above the operation table 1, a support frame 4 is arranged above the controller 25, the support frame 4 is connected with the operation table 1 through screws, a motor 6 is arranged above the support frame 4, a shock pad 5 is arranged between the motor 6 and the support frame 4, the shock pad 5 can reduce the shock sensation generated by the motor 6, one side of the motor 6 is provided with a casing 9, a wheel casing 10 is arranged inside the casing 9, and a bearing seat 14 is arranged at the center position of one side of the inner wall of the wheel casing 10, and bearing frame 14 is connected with wheel shell 10 gas welding, the inside of wheel shell 10 is provided with blade 11, blade 11 is provided with four, and four blade 11 set gradually in the inside of wheel shell 10, one side of wheel shell 10 is provided with air intake 12, and air intake 12 and wheel shell 10 sealing connection, one side of motor 6 output is provided with pivot 7, and pivot 7 passes through the coupling joint with the output of motor 6, one section of pivot 7 runs through casing 9 and wheel shell 10 and extends to the inside of bearing frame 14, the below of casing 9 is provided with air outlet 13, and air outlet 13 and casing 9 sealing connection. The phenomenon of negative pressure generated inside the vacuum pump due to poor tightness is avoided.

Further, the inside of the operation table 1 is provided with six damping springs 19, and the six damping springs 19 are equidistantly arranged in the inside of the operation table 1. The influence of the vibrations generated by the motor 6 on the load-bearing floor is reduced.

Further, a silica gel pad 15 is arranged between the air outlet 13 and the operation platform 1, and two ends of the silica gel pad 15 are respectively attached to the lower end face of the air outlet 13 and the upper end face of the operation platform 1. When gas emission, the velocity of flow is great, and the setting up of silica gel pad 15 can reduce the influence that the velocity of flow is too fast to the whole equipment that causes.

Further, the contact parts of the rotating shaft 7 and the machine shell 9 and the wheel shell 10 are provided with sealing rings 8. The phenomenon that negative pressure is generated inside the wheel shell 10 due to poor tightness is avoided.

Further, sawtooth grooves 16 are formed in two sides of each of the four blades 11, airflow grooves 17 are formed in the four blades 11, and through holes 18 are formed in one sides of the airflow grooves 17. The gas flow slots 17 are arranged to provide a moving direction for the gas flow to accelerate the gas flow rate.

Further, a support column 23 is arranged below the operating platform 1, the support column 23 is connected with the operating platform 1 in a gas welding mode, a roller 24 is arranged below the support column 23, and the roller 24 is connected with the support column 23 in a sliding mode. The fan may be moved by rollers 24.

Further, one side of the support column 23 is provided with a bearing block 20, a hydraulic cylinder 21 is arranged below the bearing block 20, and a support plate 22 is arranged below the hydraulic cylinder 21. The height of the support plate 22 can be changed by actuating the hydraulic cylinder 21, thereby achieving the fixation of the fan.

160, when the motor 6 rotates, the centrifugal force generated will become larger and larger as the rotation speed of the motor 6 increases, at this time, the surrounding gas will be sucked from the air inlet 12 and rotate in the wheel housing 10, when the gas flows, a part of the gas will move through the gas flow groove 17 and flow out from the through hole 18, because the width of the root of the blade 11 is smaller than that of the tail end, the serrated groove 16 is arranged on the edge of the blade 11, the serrated groove 16 at the root of the blade 11 is smaller than that of the tail end, when the gas flows at a high speed, the flow speed of the gas is gradually increased from the tail end to the root of the blade 11, the use efficiency is improved, the damage to the blade 11 is reduced, and the final gas will be discharged from the air outlet 13. When the equipment works, the motor 6 can vibrate for a long time, and resonance can be formed along with the superposition of vibration, so that the equipment is damaged, the shock absorption pad 5 is arranged between the motor 6 and the support frame 4, the silica gel pad 15 is arranged between the air outlet 13 and the operating platform 1, and the shock absorption spring 19 arranged inside the operating platform 1 can effectively absorb shock, and the normal operation of the equipment is ensured. principle of operation: when the fan fixing device is used, the hydraulic cylinder 21 is driven firstly, the type of the hydraulic cylinder 21 is CE650-6-SH180-1480, the lower end of the supporting plate 22 is higher than the lower end of the roller 24, the fan is moved to a position needing to work at the moment, the hydraulic cylinder 21 is driven again, the lower end of the supporting plate 22 is lower than the lower end of the roller 24, and therefore the fan can be fixed. The motor 6 is regulated and controlled by the controller 25, and the model number of the motor 6 is Y2-

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A portable centrifugal fan, includes operation panel (1), its characterized in that: the device is characterized in that two moving devices (3) are arranged below the operating platform (1), the two moving devices (3) are symmetrically arranged about the vertical center line of the operating platform (1), one side of each of the two moving devices (3) is provided with a fixing device (2), a controller (25) is arranged above the operating platform (1), a support frame (4) is arranged above the controller (25), the support frame (4) is connected with the operating platform (1) through screws, a motor (6) is arranged above the support frame (4), a shock pad (5) is arranged between the motor (6) and the support frame (4), a shell (9) is arranged on one side of the motor (6), a wheel shell (10) is arranged in the shell (9), and a bearing seat (14) is arranged at the center position of one side of the inner wall of the wheel shell (10), and bearing frame (14) are connected with wheel shell (10) gas welding, the inside of wheel shell (10) is provided with blade (11), and blade (11) are provided with four, and four blade (11) set gradually in the inside of wheel shell (10), one side of wheel shell (10) is provided with air intake (12), and air intake (12) and wheel shell (10) sealing connection, one side of motor (6) output is provided with pivot (7), and pivot (7) pass through the coupling joint with the output of motor (6), one section of pivot (7) runs through casing (9) and wheel shell (10) and extends to the inside of bearing frame (14), the below of casing (9) is provided with air outlet (13), and air outlet (13) and casing (9) sealing connection.

2. A portable centrifugal fan according to claim 1, wherein: damping springs (19) are arranged inside the operating platform (1), six damping springs (19) are arranged, and the six damping springs (19) are arranged in the operating platform (1) at equal intervals.

3. A portable centrifugal fan according to claim 1, wherein: and a silica gel pad (15) is arranged between the air outlet (13) and the operating platform (1), and two ends of the silica gel pad (15) are respectively attached to the lower end face of the air outlet (13) and the upper end face of the operating platform (1).

4. A portable centrifugal fan according to claim 1, wherein: and sealing rings (8) are arranged at the contact parts of the rotating shaft (7) and the shell (9) and the wheel shell (10).

5. A portable centrifugal fan according to claim 1, wherein: sawtooth grooves (16) are formed in two sides of the four blades (11), airflow grooves (17) are formed in the four blades (11), and through holes (18) are formed in one sides of the airflow grooves (17).

6. A portable centrifugal fan according to claim 1, wherein: the gas welding machine is characterized in that a supporting column (23) is arranged below the operating platform (1), the supporting column (23) is connected with the operating platform (1) in a gas welding mode, a roller (24) is arranged below the supporting column (23), and the roller (24) is connected with the supporting column (23) in a sliding mode.

7. A portable centrifugal fan according to claim 6, wherein: one side of support column (23) is provided with bearing block (20), the below of bearing block (20) is provided with pneumatic cylinder (21), the below of pneumatic cylinder (21) is provided with supporting disk (22).