CN210660655U

CN210660655U - Special fan for powder room

Info

Publication number: CN210660655U
Application number: CN201921110092.3U
Authority: CN
Inventors: 陈俊吉
Original assignee: Shenzhen Hongsheng Fan Equipment Co Ltd
Current assignee: Shenzhen Hongsheng Fan Equipment Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-06-02
Anticipated expiration: 2029-07-16

Abstract

The utility model relates to the technical field of fans, and a special fan in powder room is disclosed, which comprises a motor, the connection pad has been cup jointed in the bottom transfer line outside of motor, fixed mounting has the apron between motor and the connection pad, the outside fixed mounting of apron has the wind shell, there is the fan blade below the connection pad through connecting screw fixed mounting, fan blade lower extreme fixed mounting has explosion-proof aluminum plate bevel, the lower extreme of explosion-proof aluminum plate bevel is located wind shell bottom opening part welding and has the air intake, the side opening part welding of wind shell has the air outlet. This special fan in powder room through air intake, explosion-proof aluminum plate awl mouth and fan blade three seamless connection, and during the fan operation, the air can be followed air intake entering equipment, and explosion-proof aluminum plate awl mouth assembles the air, stably conveys in the fan blade, rotates through the fan blade and provides power, and the air is discharged fast from the air outlet, and explosion-proof aluminum plate awl mouth has prevented the dispersing of dust in the air, reduces the hidden danger that takes place dust explosion.

Description

Special fan for powder room

Technical Field

The utility model relates to a fan technical field specifically is special fan in powder room.

Background

The fan is a machine used for conveying gas and provides power for ventilation and heat dissipation of different working areas. The powder room is a closed environment with a large amount of dust inside, and the dust can be suspended in the air when a fan runs in the powder room. The dust explosion is an explosion which has strong destructiveness, is easy to generate secondary explosion and can generate toxic gas, and the harm is great.

The existing fan can cause a large amount of dust to float in the air when operating in a working environment with more dust, and once a heat source with enough strength exists, suspended gas can be rapidly converted into combustible gas and is extremely easy to explode dust, so that the fan has potential safety hazard of larger dust explosion in working environments such as powder rooms, the air circulation inside the fan is strong, the equipment does not have explosion-proof performance, and the safety guarantee is lacked in the operation of the working environments such as the powder rooms.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a special fan in powder room possesses explosion-proof safe advantage, the current fan has been solved, when operation in the more operational environment of dust, can cause a large amount of dusts to float aloft, in case there is the heat source of enough intensity, the gas of suspension can change rapidly, become combustible gas, very easily take place dust explosion, consequently, the fan has great dust explosion's potential safety hazard in operational environment such as powder room, and the inside circulation of air of fan is strong, equipment self does not possess the explosion-proof nature, operational environment such as powder room lacks the problem of safety guarantee.

The utility model provides a following technical scheme: powder room special fan, including the motor, the connection pad has been cup jointed in the bottom transfer line outside of motor, fixed mounting has the apron between motor and the connection pad, the equal fixed mounting in upper surface both sides of apron has the lifting hook, the outside fixed mounting of apron has the wind shell, the both sides of connection pad all install the connecting screw through the screw thread, there is the fan blade below the connection pad through connecting screw fixed mounting, the fan blade is located inside the wind shell, fan blade lower extreme fixed mounting has explosion-proof aluminum plate awl mouth, the lower extreme of explosion-proof aluminum plate awl mouth is located wind shell bottom opening part welding and has the air intake, the outside edge welding of air intake has the air intake flange, the side opening part welding of wind shell has the air outlet, the welding of the outside edge flange of air outlet.

Preferably, the bottom surface of the cover plate is welded with an explosion-proof copper ring, the explosion-proof copper ring is located above the fan blades, and the size and specification of the explosion-proof copper ring are matched with the outer diameter of the motor.

Preferably, the cover plate is circular, the outer side of the upper surface of the cover plate is provided with fixing screws at intervals, and the cover plate is connected with the wind shell through the fixing screws.

Preferably, the inner surface of the conical opening of the explosion-proof aluminum plate is bent, and the inner cavity of the conical opening of the explosion-proof aluminum plate is in a circular truncated cone shape.

Preferably, the specification of the upper opening of the conical opening of the anti-explosion aluminum plate is matched with the fan blade, and the specification of the lower opening of the conical opening of the anti-explosion aluminum plate is matched with the air inlet.

Preferably, the top surface welding of wind shell has the wind shell reinforcing plate, three groups are installed to the wind shell reinforcing plate, and three groups wind shell reinforcing plate mutually perpendicular are fixed.

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

this special fan in powder room, through the air intake, explosion-proof aluminum plate awl mouth and fan blade three seamless connection, the fan operation, the air can be followed air intake entering equipment, assemble through explosion-proof aluminum plate awl mouth, the air current stably conveys the fan blade, rotate through the fan blade and provide power, discharge from the air outlet, explosion-proof aluminum plate awl mouth has prevented the dispersing of dust in the air, reduce the hidden danger that takes place dust explosion, prevent the heat source entering fan blade that the motor operation produced through explosion-proof copper ring, the dust can not change, do not possess the condition of blasting, the safety guarantee problem of fan operation in powder room is solved.

Drawings

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

fig. 2 is a top view of the present invention;

fig. 3 is a schematic structural view of the cover of the present invention after being opened;

fig. 4 is a schematic view of the structure above the cover plate of the present invention.

In the figure: 1. a motor; 2. hanging hooks; 3. a connecting disc; 4. a connecting screw; 5. a cover plate; 6. fixing screws; 7. a fan blade; 8. an explosion-proof copper ring; 9. a wind shell; 10. an explosion-proof aluminum plate cone mouth; 11. an air inlet; 12. an air inlet flange; 13. an air outlet; 14. an air outlet flange; 15. wind shell reinforcing plate.

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, the blower special for powder rooms comprises a motor 1, a connecting disc 3 is sleeved outside a bottom end transmission rod of the motor 1, a cover plate 5 is fixedly installed between the motor 1 and the connecting disc 3, hanging hooks 2 are fixedly installed on both sides of the upper surface of the cover plate 5 to facilitate movement control of the blower, a wind shell 9 is fixedly installed on the outer side of the cover plate 5, connecting screws 4 are installed on both sides of the connecting disc 3 through threads, a fan blade 7 is fixedly installed below the connecting disc 3 through the connecting screws 4, the fan blade 7 is located inside the wind shell 9, an explosion-proof aluminum plate cone 10 is fixedly installed at the lower end of the fan blade 7, an air inlet 11 is welded at the lower end of the explosion-proof aluminum plate cone 10 at the bottom opening of the wind shell 9, an air inlet flange 12 is welded at the outer edge of the air inlet 11 and can be connected with a conduit, a catheter may be connected.

Further, the bottom surface welding of apron 5 has explosion-proof copper ring 8, and explosion-proof copper ring 8 is located fan blade 7 top, and explosion-proof copper ring 8's size and specification and the external diameter phase-match of motor 1 prevent through explosion-proof copper ring 8 that the heat source that motor 1 operation produced from getting into fan blade 7, and the dust can not change, does not possess the condition that explodes, solves the safety guarantee problem of fan operation in the powder room.

Further, apron 5 is circular, and fixed screw 6 is installed at the upper surface outside interval of apron 5, and apron 5 is connected with wind shell 9 interconnect through fixed screw 6, and apron 5 is connected stably with wind shell 9, and convenient to detach.

Furthermore, the inner surface of the explosion-proof aluminum plate cone opening 10 is bent, the inner cavity of the explosion-proof aluminum plate cone opening 10 is in a circular truncated cone shape, the explosion-proof aluminum plate cone opening 10 is converged, and air flow is stably transmitted to the fan blades 7.

Furthermore, the specification of the upper opening of the explosion-proof aluminum plate conical opening 10 is matched with the fan blade 7, the specification of the lower opening of the explosion-proof aluminum plate conical opening 10 is matched with the air inlet 11, and the air inlet 11, the explosion-proof aluminum plate conical opening 10 and the fan blade 7 are connected in a seamless mode, so that dust in the air is prevented from diffusing, and hidden danger of dust explosion is reduced.

Further, the top surface welding of wind shell 9 has wind shell reinforcing plate 15, and three groups are installed to wind shell reinforcing plate 15, and three groups of wind shell reinforcing plates 15 mutually perpendicular are fixed, guarantee fan stable in structure.

The working principle is as follows: firstly, put into the powder room with the fan, motor 1 moves, the high-speed rotation of fan blade 7 is controlled through connection pad 3 to the transmission shaft of motor 1, the air gets into equipment from air intake 11, explosion-proof aluminum plate awl mouth 10 gathers the air, stably channel into fan blade 7, through rotatory, the air circulation nature is strengthened, discharge from air outlet 13 high speed, explosion-proof copper ring 8 prevents that the heat source that motor 1 operation produced from getting into fan blade 7, when the fan needs to be dismantled, can dismantle apron 5 from fan housing 9 through set screw 6, accomplish the use of fan.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. Powder room special fan, including motor (1), its characterized in that: the bottom end transmission rod of the motor (1) is sleeved with the connecting disc (3), the cover plate (5) is fixedly mounted between the motor (1) and the connecting disc (3), the hooks (2) are fixedly mounted on two sides of the upper surface of the cover plate (5), the wind shell (9) is fixedly mounted on the outer side of the cover plate (5), the connecting screws (4) are mounted on two sides of the connecting disc (3) through threads, the fan blades (7) are fixedly mounted below the connecting disc (3) through the connecting screws (4), the fan blades (7) are located inside the wind shell (9), the explosion-proof aluminum plate cone opening (10) is fixedly mounted at the lower end of the fan blades (7), the lower end of the explosion-proof aluminum plate cone opening (10) is located at the bottom opening of the wind shell (9) and is welded with the air inlet (11), and the air inlet flange (12) is welded, an air outlet (13) is welded at an opening on the side face of the air casing (9), and an air outlet flange (14) is welded on the outer edge of the air outlet (13).

2. The special blower for powder chamber as claimed in claim 1, wherein: the bottom surface welding of apron (5) has explosion-proof copper ring (8), explosion-proof copper ring (8) are located fan blade (7) top, the size and specification of explosion-proof copper ring (8) and motor (1) external diameter phase-match.

3. The special blower for powder chamber as claimed in claim 1, wherein: the utility model discloses a wind-driven generator, including apron (5), the upper surface outside interval of apron (5) is installed fixed screw (6), apron (5) are through fixed screw (6) and wind shell (9) interconnect.

4. The special blower for powder chamber as claimed in claim 1, wherein: the inner surface of the explosion-proof aluminum plate cone opening (10) is bent, and an inner cavity of the explosion-proof aluminum plate cone opening (10) is in a circular truncated cone shape.

5. The special blower for powder chamber as claimed in claim 1, wherein: the upper opening specification of the explosion-proof aluminum plate cone opening (10) is matched with the fan blade (7), and the lower opening specification of the explosion-proof aluminum plate cone opening (10) is matched with the air inlet (11).

6. The special blower for powder chamber as claimed in claim 1, wherein: the top surface welding of wind shell (9) has wind shell reinforcing plate (15), three groups are installed to wind shell reinforcing plate (15), and three groups wind shell reinforcing plate (15) mutually perpendicular are fixed.