CN213511273U

CN213511273U - Fire control smoke exhaust fan with structure of making an uproar is fallen

Info

Publication number: CN213511273U
Application number: CN202022523741.1U
Authority: CN
Inventors: 陈海鹰; 苏良金; 雷贤庆
Original assignee: Fuzhou Haiheng Ventilation Equipment Co ltd
Current assignee: Fuzhou Haiheng Ventilation Equipment Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-06-22
Anticipated expiration: 2030-11-04

Abstract

The utility model relates to a fire control technical field that discharges fume specifically is a fire control smoke exhaust fan with structure of making an uproar falls, the power distribution box comprises a box body, the bottom of box is provided with the base, the top of base is provided with rotating vane, rotating vane's fixed surface installs the air intake, the top fixed mounting of box has control mechanism, control mechanism's bottom fixed surface is connected with the mount pad, one side surface of control mechanism is provided with damper. The utility model discloses in, make when the fan is carrying out the during operation through the vent that sets up, expansion plate, mount table, telescopic link and pressure spring, install through damper between its rotating vane and the fan mouth, make rotating vane when high rotatory, can offset the noise that the fan air intake caused because of rotating vane resonance through the flexible control of elasticity between vent and the pressure spring, and then make the noise of fire control smoke exhaust fan carrying out the during operation reduce.

Description

Fire control smoke exhaust fan with structure of making an uproar is fallen

Technical Field

The utility model relates to a fire control technical field that discharges fume specifically is a fire control smoke exhaust fan with structure of making an uproar falls.

Background

The main control parameters of the smoke exhaust fan are working temperature, air quantity, full pressure, efficiency, noise, motor power, rotating speed and shaft power, the smoke exhaust fan can normally operate for a long time under the condition that the medium temperature is not higher than 85 ℃, and the smoke exhaust fan can guarantee that: when the temperature of the conveying medium is 280 ℃, the continuous operation can be carried out for 30min, and the continuous normal operation can be still carried out when the temperature of the medium is cooled to the ambient temperature, and the continuous operation can be carried out for 20 hours/time without damage under the condition of the medium temperature of 100 ℃, so that the device is an ideal fire-fighting necessary facility.

The smoke exhaust fan is suitable for ventilation or high-temperature smoke exhaust of high-rise buildings, underground buildings, tunnels, drying rooms and the like. The continuous operation can be carried out for more than 30 minutes under the condition of high temperature of 280 ℃, when the current smoke exhaust fan is operated at high speed, a large amount of noise is easily generated during the work, and a large amount of noise can be generated between the rotating sheet and the mounting seat due to the resonance during the rotation, so that the life of people around is influenced, and therefore, the fire-fighting smoke exhaust fan with the noise reduction structure is urgently needed to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire control smoke exhaust fan with structure of making an uproar is fallen to current fire control smoke exhaust fan who proposes in solving above-mentioned background art does not have the problem of the function of making an uproar of falling.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire control smoke exhaust fan with structure of making an uproar is fallen, includes the box, the bottom of box is provided with the base, the top of base is provided with rotating vane, rotating vane's fixed surface installs the air intake, the top fixed mounting of box has control mechanism, control mechanism's bottom fixed surface is connected with the mount pad, one side surface of control mechanism is provided with damper, damper includes the vent, the vent sets up the internal surface at the air intake, the left side fixed surface of vent installs the expansion plate, the bottom surface of vent is provided with the mount table, the left side fixed surface of mount table installs the telescopic link, the surface cover of telescopic link is equipped with the pressure spring.

Preferably, the telescopic link passes through screw fixed mounting at the surface of mount table, the pressure spring is connected with telescopic link slip flexible, the telescopic link is provided with four groups, the telescopic link sets up the upper and lower both ends surface at the vent, the surface of expansion plate is coarse structure's elastic expansion area.

Preferably, control mechanism includes the motor, the right side surface fixed connection of motor has the belt pulley, the surface cover of belt pulley is equipped with the drive belt, the bottom surface cover of drive belt is equipped with the rotation axis.

Preferably, the surface of drive belt is coarse texture's rubber connecting band, the rotation axis passes through the drive belt and constitutes rotation connection structure with the motor, control mechanism passes through mount pad fixed mounting at the top surface of box.

Preferably, the mounting base comprises a mounting plate, a fastening bolt is inserted into the outer surface of the mounting plate, a fixing plate is fixedly connected to the outer surface of the left side of the mounting plate, and a galvanized steel plate is fixedly connected to the outer surface of the fixing plate.

Preferably, the fixing plate and the galvanized steel plate are fixedly connected with the mounting plate through fastening bolts, the outer surface of the galvanized steel plate is a metal plate with a smooth structure, and the outer surfaces of the fixing plate and the galvanized steel plate are L-shaped.

Compared with the prior art, the beneficial effects of the utility model are that: this fire control smoke exhaust fan with structure of making an uproar is fallen can make the fan reduce resonance when carrying out high-speed operation, the noise that the reduction during operation that can be great produced.

1. Make when the fan is carrying out the during operation through the vent that sets up, expansion plate, mount table, telescopic link and pressure spring, install through damper between its rotating vane and the fan mouth, make rotating vane when high rotation, can offset the noise that the fan air intake caused because of rotating vane resonance through the flexible control of elasticity between vent and the pressure spring, and then make the noise of fire control smoke exhaust fan carrying on the during operation reduce.

2. Make when the motor is installing through mounting panel, fastening bolt, fixed plate and the galvanized steel sheet that sets up, because of the rotation axis needs the transmission through the drive belt to rotate, stability requirement when making the motor installation is too big to insert through the fastening bolt on L line between fixed plate and the galvanized steel sheet and establish the connection, greatly increased stability when the motor is installed.

Drawings

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

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

FIG. 3 is a schematic front view of the damping mechanism of FIG. 1 according to the present invention;

fig. 4 is a schematic sectional front view of the mounting base of fig. 1 according to the present invention.

In the figure: 1. a box body; 2. a base; 3. a rotating blade; 4. an air inlet; 5. a control mechanism; 501. a motor; 502. a belt pulley; 503. a transmission belt; 504. a rotating shaft; 6. a mounting seat; 601. mounting a plate; 602. fastening a bolt; 603. a fixing plate; 604. a galvanized steel sheet; 7. a damping mechanism; 701. a vent; 702. a retractable plate; 703. an installation table; 704. a telescopic rod; 705. and (5) pressing a spring.

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 present invention provides an embodiment: a fire-fighting smoke exhaust fan with a noise reduction structure comprises a box body 1, a base 2 is arranged at the bottom of the box body 1, a rotating blade 3 is arranged above the base 2, an air inlet 4 is fixedly arranged on the outer surface of the rotating blade 3, a control mechanism 5 is fixedly arranged at the top end of the box body 1, a mounting seat 6 is fixedly connected with the outer surface of the bottom end of the control mechanism 5, a damping mechanism 7 is arranged on the outer surface of one side of the control mechanism 5, the damping mechanism 7 comprises a ventilation opening 701, the ventilation opening 701 is arranged on the inner surface of the air inlet 4, a telescopic plate 702 is fixedly arranged on the outer surface of the left side of the ventilation opening 701, a mounting table 703 is arranged on the outer surface of the bottom end of the ventilation opening 701, a telescopic rod 704 is fixedly arranged on the outer surface of the left side of the mounting, the telescopic rods 704 are provided with four groups, the telescopic rods 704 are arranged on the outer surfaces of the upper end and the lower end of the ventilation opening 701, the outer surface of the telescopic plate 702 is an elastic telescopic belt with a rough structure, when the rotary blades 3 rotate, vibration noise generated by rotation of the rotary blades is offset by elastic expansion between the telescopic rods 704 and the pressure springs 705, and the rotary blades 3 connected through the ventilation opening 701 can effectively reduce noise generated by the resonance due to the elastic expansion when the rotary blades are connected through the telescopic plate 702.

Further, control mechanism 5 includes motor 501, motor 501's right side surface fixedly connected with belt pulley 502, belt pulley 502's surface cover is equipped with drive belt 503, drive belt 503's bottom surface cover is equipped with rotation axis 504, drive belt 503's surface is coarse texture's rubber connection area, rotation axis 504 passes through drive belt 503 and constitutes rotation connection structure with motor 501, control mechanism 5 passes through mount pad 6 fixed mounting at the top surface of box 1, when the work of discharging fume needs to be carried out, work through motor 501 makes belt pulley 502 rotate, it makes rotation axis 504 rotate control to pass through drive belt 503's linkage effect after the rotation as belt pulley 502, and then make rotating vane 3 can rotate and carry out the work of fire control and discharging fume.

Further, mount pad 6 includes mounting panel 601, fastening bolt 602 is inserted to mounting panel 601's surface, mounting panel 601's left side surface fixedly connected with fixed plate 603, the surface fixedly connected with galvanized steel sheet 604 of fixed plate 603, fixed plate 603 and galvanized steel sheet 604 pass through fastening bolt 602 and mounting panel 601 fixed connection, the surface of galvanized steel sheet 604 is the metal sheet of smooth structure, the surface of fixed plate 603 and galvanized steel sheet 604 is the L shape, fixed connection installation and fastening bolt 602 between fixed plate 603 and galvanized steel sheet 604 have got to insert fixed mounting and make motor 501 more firm at the top surface mounting of box 1, the structural stability of device has been increased.

The working principle is as follows: when needing to carry out the work of discharging fume, work through motor 501 makes belt pulley 502 rotate, and the continuous effect through drive belt 503 after belt pulley 502 rotates makes rotation axis 504 carry out rotation control, and then makes rotating vane 3 can rotate and carry out the work of fire control and discharging fume, and through fixed connection installation and the fastening bolt 602 between fixed plate 603 and galvanized steel sheet 604 obtain inserting establish fixed mounting and make motor 501 more firm at the top surface mounting of box 1.

Further, when the rotary blade 3 is rotated, the vibration noise generated by the rotation is offset by the elastic expansion and contraction between the expansion link 704 and the compression spring 705, and the noise generated by the resonance can be effectively reduced by the elastic expansion and contraction when the expansion link 702 is connected, so that the rotary blade 3 connected through the ventilation port 701 can be effectively reduced.

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. The utility model provides a fire control smoke exhaust fan with structure of making an uproar falls, includes box (1), its characterized in that: the bottom of the box body (1) is provided with a base (2), a rotating blade (3) is arranged above the base (2), an air inlet (4) is fixedly arranged on the outer surface of the rotating blade (3), a control mechanism (5) is fixedly arranged at the top end of the box body (1), a mounting seat (6) is fixedly connected with the outer surface of the bottom end of the control mechanism (5), a damping mechanism (7) is arranged on the outer surface of one side of the control mechanism (5), the damping mechanism (7) comprises a vent (701), the vent (701) is arranged on the inner surface of the air inlet (4), a telescopic plate (702) is fixedly arranged on the outer surface of the left side of the vent (701), a mounting table (703) is arranged on the outer surface of the bottom end of the vent (701), a telescopic rod (704) is fixedly arranged on the outer, the outer surface of the telescopic rod (704) is sleeved with a pressure spring (705).

2. A fire protection smoke exhaust fan with noise reduction structure as claimed in claim 1 wherein: the telescopic rod (704) is fixedly installed on the outer surface of the installation table (703) through screws, the pressure spring (705) is connected with the telescopic rod (704) in a sliding and telescopic mode, the telescopic rod (704) is provided with four groups, the telescopic rod (704) is arranged on the outer surfaces of the upper end and the lower end of the ventilation opening (701), and the outer surface of the telescopic plate (702) is an elastic telescopic belt with a rough structure.

3. A fire protection smoke exhaust fan with noise reduction structure as claimed in claim 1 wherein: control mechanism (5) include motor (501), the right side surface fixed connection of motor (501) has belt pulley (502), the surface cover of belt pulley (502) is equipped with drive belt (503), the bottom surface cover of drive belt (503) is equipped with rotation axis (504).

4. A fire protection smoke exhaust fan with noise reduction structure as claimed in claim 3 wherein: the outer surface of drive belt (503) is coarse texture's rubber connection area, rotation connection structure is constituteed with motor (501) through drive belt (503) in rotation axis (504), control mechanism (5) are through mount pad (6) fixed mounting at the top surface of box (1).

5. A fire protection smoke exhaust fan with noise reduction structure as claimed in claim 1 wherein: the mounting base (6) includes mounting panel (601), fastening bolt (602) are inserted to the surface of mounting panel (601), the left side external fixed surface of mounting panel (601) is connected with fixed plate (603), the external fixed surface of fixed plate (603) is connected with galvanized steel sheet (604).

6. A fire protection smoke exhaust fan with noise reduction structure according to claim 5, characterized in that: the fixing plate (603) and the galvanized steel plate (604) are fixedly connected with the mounting plate (601) through fastening bolts (602), the outer surface of the galvanized steel plate (604) is a metal plate with a smooth structure, and the outer surfaces of the fixing plate (603) and the galvanized steel plate (604) are L-shaped.