CN217682488U - Noise reduction mechanism for single-speed smoke prevention and discharge fan - Google Patents

Abstract

The utility model discloses a mechanism of making an uproar falls for single-speed smoke exhaust fan of preventing, including single-speed fire control smoke exhaust fan and lower mount pad, the below of single-speed fire control smoke exhaust fan is provided with the frame, and the below of frame installs the installation component that is used for the dismouting, the installation component includes bulb stud, cup bolt, bearing, bulb fore-set and bulb toothnail, and the below of bulb stud installs the cup bolt, the top of cup bolt is provided with the bearing. This a mechanism of making an uproar falls for single-speed smoke exhaust ventilator of preventing, it compares with the ordinary mechanism of making an uproar that falls now, insert the hole site of frame with the bulb stud, twist and move the cup head bolt, make the bulb fore-set remove along the inner wall of bulb stud, the outside roll-off of both sides promotion bulb tooth nail of bulb fore-set, the hole site of frame is promptly held to the tip of bulb tooth nail, it is fixed to accomplish the installation, it is comparatively convenient to make the mounting means of the mechanism of making an uproar fall, only need can accomplish the installation in the position of porose position, the installation effectiveness is improved.

Description

Noise reduction mechanism for single-speed smoke prevention and discharge fan

Technical Field

The utility model relates to a fire control smoke exhaust fan technical field specifically is a mechanism of making an uproar falls for single-speed smoke exhaust fan of preventing.

Background

The fire-fighting smoke exhaust fan is a machine capable of rapidly exhausting peculiar smell, high temperature and oil smoke gas, and the machine is characterized by good high temperature resistance and high efficiency, and the fire-fighting smoke exhaust fan can generate vibration noise in the operation process and needs a noise reduction mechanism to reduce the vibration and noise of the fire-fighting smoke exhaust fan.

As in application No.: CN202021127663.7, the utility model discloses a smoke exhaust fan with structure of making an uproar falls, including organism and motor, the base is installed to the bottom of organism, the surface of base is provided with the litter, the mounting panel is installed to the top of litter, mounting panel fixed connection is at the surface of bottom plate, one side surface of bottom plate is provided with the dead lever, one side of dead lever is provided with the motor, the external fixed surface of motor is connected with the conveyer belt, the one end surface cover of conveyer belt is equipped with the fan wheel, the surface of organism is provided with the safety cover, the left side of fan wheel is provided with the intake pipe, the external fixed surface of intake pipe is connected with and falls the mechanism of making an uproar, fall the left side of the mechanism of making an uproar and install the air intake, the right side of fan wheel is provided with air duct. The utility model discloses can fall the noise treatment to smoke exhaust fan to can alleviate the resonance that the fan during operation produced, increase and fall the noise efficiency.

The smoke exhaust fan with the noise reduction structure similar to the above application still has the following defects at present:

the existing noise reduction mechanism is fixedly installed by bolts, and needs to be installed at a position with a threaded hole, so that the installation position is limited.

In view of the above, a noise reduction mechanism for a single-speed smoke exhaust prevention fan is proposed by researching and improving the existing structure and defects, so as to achieve the purpose of having more practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanism of making an uproar falls for single-speed smoke exhaust fan of preventing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanism of making an uproar falls for single-speed smoke exhaust fan that prevents, includes single-speed fire control smoke exhaust fan and lower mount pad, single-speed fire control smoke exhaust fan's below is provided with the frame, and the below of frame installs the installation component that is used for the dismouting, the installation component includes bulb stud, cup bolt, bearing, bulb fore-set and bulb dentate nail, and the below of bulb stud installs the cup bolt, the top of cup bolt is provided with the bearing, and the top of bearing is provided with the bulb fore-set, the both sides laminating of bulb fore-set has the bulb dentate nail, the outside of bulb stud is provided with the mount pad, and the below of going up the mount pad is provided with the adjustable damping component who is used for vibration/noise reduction, the mount pad sets up in adjustable damping component's below down, the top of mount pad is provided with and is used for dirt-proof dustproof subassembly down.

Furthermore, four ball stud bolts are symmetrically arranged along the center of the upper mounting seat and are in threaded connection with the cup-head bolt.

Furthermore, the cup head bolt is rotatably connected with the ball head support pillar through a bearing, and the central axis of the ball head support pillar coincides with the central axis of the ball head stud.

Furthermore, the adjustable damping assembly comprises a damper, a hexagon nut and a spring, the hexagon nut is mounted on the outer surface of the damper, and the spring is arranged below the hexagon nut.

Furthermore, the dampers are in threaded connection with the hexagon nuts, and the two dampers are symmetrically arranged along the center of the upper mounting seat.

Further, the dustproof assembly comprises a screw and a corrugated pipe sleeve, and the corrugated pipe sleeve is installed on the outer surface of the screw.

Furthermore, the central axis of the corrugated pipe sleeve coincides with the central axis of the lower mounting seat, and the lower mounting seat is rectangular.

Compared with the prior art, the beneficial effects of the utility model are that: the noise reduction mechanism is convenient to mount, mounting can be completed only at the position with the hole position, mounting efficiency is improved, the noise reduction mechanism has a damping soft and hard adjustable structure and can be suitable for different use requirements, the noise reduction mechanism has a dustproof and waterproof structure, and the service life of the noise reduction mechanism is effectively prolonged;

1. the utility model discloses a setting of frame, bulb stud, cup bolt, bearing, bulb fore-set, bulb tooth nail and upper mounting base, insert the hole site of frame with the bulb stud, twist and move the cup bolt, make the bulb fore-set move along the inner wall of bulb stud, the both sides of bulb fore-set promote the bulb tooth nail outwards roll-off, the hole site of frame is firmly grasped to the tip of bulb tooth nail, accomplish the installation fixed, make the mounting means of this noise reduction mechanism comparatively convenient, only need can accomplish the installation in the position that has the hole position, improve the installation effectiveness;

2. the utility model discloses a setting of attenuator, hexagon nut and spring, the attenuator cooperates the produced vibrations of spring buffering single-speed fire control smoke exhaust fan when operation, changes the stroke of spring behind the rotatory hexagon nut, and the hardness of attenuator changes thereupon, makes this noise reduction mechanism possess the adjustable structure of shock attenuation hardness, can be applicable to different user demands;

3. the utility model discloses a setting of screw and bellows sleeve, the bellows sleeve passes through the screw and installs on last mount pad and mount pad down, and the bellows sleeve can provide sealed effect, plays dustproof and waterproof's effect for should fall the mechanism of making an uproar and possess dustproof and waterproof structure, effectively prolong the life that should fall the mechanism of making an uproar.

Drawings

FIG. 1 is a schematic view of the overall front sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional enlarged structure of the upper and lower mounting seats of the present invention;

FIG. 3 is the schematic view of the sectional structure of the installation assembly of the present invention

Fig. 4 is a schematic view of the three-dimensional structure of the ball head support of the present invention.

In the figure: 1. a single-speed fire-fighting smoke exhaust fan; 2. a machine base; 3. mounting the component; 301. a ball stud; 302. a cup head bolt; 303. a bearing; 304. a ball head support; 305. a ball head toothed nail; 4. an upper mounting seat; 5. an adjustable damping assembly; 501. a damper; 502. a hexagonal nut; 503. a spring; 6. a lower mounting seat; 7. a dust-proof assembly; 701. a screw; 702. a bellows sleeve.

Detailed Description

As shown in fig. 1-2, a noise reduction mechanism for a single-speed fire-fighting smoke exhaust fan comprises a single-speed fire-fighting smoke exhaust fan 1 and a lower mounting seat 6, a base 2 is arranged below the single-speed fire-fighting smoke exhaust fan 1, and the lower part of the machine base 2 is provided with a mounting component 3 for dismounting, the outer side of the ball stud 301 is provided with an upper mounting seat 4, and an adjustable damping component 5 for damping and reducing noise is arranged below the upper mounting seat 4, a lower mounting seat 6 is arranged below the adjustable damping component 5, the adjustable shock absorption assembly 5 comprises a damper 501, a hexagonal nut 502 and a spring 503, the hexagonal nut 502 is mounted on the outer surface of the damper 501, the spring 503 is arranged below the hexagonal nut 502, the damper 501 is in threaded connection with the hexagonal nut 502, two dampers 501 are symmetrically arranged along the center of the upper mounting seat 4, the dampers 501 cooperate with the spring 503 to buffer the vibration generated when the single-speed fire-fighting smoke exhaust fan 1 operates, the travel of the spring 503 is changed after the hexagonal nut 502 is rotated, and the hardness of the dampers 501 is changed along with the change of the hardness, the noise reduction mechanism has a damping soft and hard adjustable structure and can be suitable for different use requirements, a dustproof component 7 for dust and water prevention is arranged above the lower mounting seat 6, the dustproof component 7 comprises a screw 701 and a corrugated pipe sleeve 702, and the outer surface of the screw 701 is provided with a corrugated pipe sleeve 702, the central axis of the corrugated pipe sleeve 702 is coincident with the central axis of the lower mounting seat 6, and the lower mounting seat 6 is rectangular, the corrugated pipe sleeve 702 is mounted on the upper mounting seat 4 and the lower mounting seat 6 through screws 701, the corrugated pipe sleeve 702 can provide sealing effect, plays a role in dust prevention and water prevention, make this mechanism of making an uproar of falling possess dustproof and waterproof structure, effectively prolong this mechanism of making an uproar of falling's life.

As shown in fig. 3-4, the mounting assembly 3 includes a ball stud 301, a cup bolt 302, a bearing 303, a ball stud 304 and a ball stud 305, and the cup bolt 302 is mounted below the ball stud 301, the bearing 303 is disposed above the cup bolt 302, and the ball stud 304 is disposed above the bearing 303, the ball stud 305 is attached to two sides of the ball stud 304, the ball stud 301 is symmetrically disposed four along the center of the upper mounting seat 4, and the ball stud 301 is in threaded connection with the cup bolt 302, the cup bolt 302 is rotatably connected with the ball stud 304 through the bearing 303, and the central axis of the ball stud 304 coincides with the central axis of the ball stud 301, the ball stud 301 is inserted into a hole site of the base 2, the cup bolt 302 is screwed, so that the ball stud 304 moves along the inner wall of the ball stud 301, the ball stud 305 is pushed by two sides of the ball stud 304 to slide outwards, the end of the stud 305 grasps the hole site of the base 2, and completes mounting and fixation, so that the mounting of the noise reduction mechanism is convenient, and the mounting efficiency can be improved only at the position.

The working principle is as follows: when the noise reduction mechanism for the single-speed smoke exhaust prevention fan is used, firstly, the ball stud 301 is inserted into a hole position of the base 2, the cup bolt 302 is screwed, the ball stud 304 moves along the inner wall of the ball stud 301, two sides of the ball stud 304 push the ball stud 305 to slide outwards, the tooth end of the ball stud 305 grasps the hole position of the base 2 to complete installation and fixation, the damper 501 is matched with the spring 503 to buffer vibration generated when the single-speed smoke exhaust prevention fan 1 operates, so that the effects of shock absorption and noise reduction are achieved, the stroke of the spring 503 is changed after the hexagonal nut 502 is rotated, the hardness of the damper 501 changes accordingly, the noise reduction mechanism can meet different use requirements, the corrugated pipe sleeve 702 is installed on the upper installation base 4 and the lower installation base 6 through the screw 701, the corrugated pipe sleeve 702 can provide a sealing effect and plays a dustproof and waterproof role, and the working principle of the noise reduction mechanism for the single-speed smoke exhaust prevention fan is achieved.

Claims (7)

1. The utility model provides a mechanism of making an uproar falls for single-speed fire prevention smoke exhaust fan, includes single-speed fire protection smoke exhaust fan (1) and lower mount pad (6), its characterized in that, the below of single-speed fire protection smoke exhaust fan (1) is provided with frame (2), and the below of frame (2) installs installation component (3) that are used for the dismouting, installation component (3) include bulb stud (301), cup bolt (302), bearing (303), bulb fore-set (304) and bulb dowel (305), and the below of bulb stud (301) installs cup bolt (302), the top of cup bolt (302) is provided with bearing (303), and the top of bearing (303) is provided with bulb fore-set (304), the both sides laminating of bulb fore-set (304) has bulb dowel (305), the outside of bulb fore-set (301) is provided with mount pad (4), and the below of going up mount pad (4) is provided with adjustable damping component (5) that are used for shock attenuation and noise reduction, mount pad (6) set up in the adjustable damping component (5) below, dustproof mounting pad (6) are provided with dustproof subassembly (7) below.

2. The noise reduction mechanism for the single-speed smoke exhaust ventilator according to claim 1, wherein four ball stud bolts (301) are symmetrically arranged along the center of the upper mounting seat (4), and the ball stud bolts (301) are in threaded connection with cup head bolts (302).

3. The noise reduction mechanism for the single-speed smoke exhaust preventing fan according to claim 1, wherein the cup bolt (302) is rotatably connected with the ball-head top column (304) through a bearing (303), and a central axis of the ball-head top column (304) is coincident with a central axis of the ball-head stud (301).

4. The noise reduction mechanism for the single-speed smoke exhaust ventilator according to claim 1, wherein the adjustable shock absorption assembly (5) comprises a damper (501), a hexagonal nut (502) and a spring (503), the hexagonal nut (502) is mounted on the outer surface of the damper (501), and the spring (503) is arranged below the hexagonal nut (502).

5. The noise reduction mechanism for the single-speed smoke exhaust ventilator according to claim 4, wherein the dampers (501) are in threaded connection with hexagonal nuts (502), and two dampers (501) are symmetrically arranged along the center of the upper mounting seat (4).

6. The noise reduction mechanism for a single-speed smoke exhaust ventilator according to claim 1, wherein the dust prevention assembly (7) comprises a screw (701) and a bellows sleeve (702), and the bellows sleeve (702) is mounted on the outer surface of the screw (701).

7. The noise reduction mechanism for the single-speed smoke exhaust ventilator according to claim 6, wherein the central axis of the bellows sleeve (702) coincides with the central axis of the lower mounting seat (6), and the lower mounting seat (6) is rectangular in shape.

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