CN211059038U

CN211059038U - Centrifugal fire-fighting smoke exhaust fan

Info

Publication number: CN211059038U
Application number: CN201921683478.3U
Authority: CN
Inventors: 张玉杰
Original assignee: Xinjiang Juntai Electromechanical Engineering Co ltd
Current assignee: Xinjiang Juntai Electromechanical Engineering Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-21
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a centrifugal fire-fighting smoke exhaust fan, which comprises a shell, an air outlet hopper is arranged on the outer side wall of one side of the shell in a penetrating way, an air inlet hopper is arranged on the outer side wall of the other side of the shell in a penetrating way, a mounting plate is arranged on the inner side wall of the shell and on one side close to the air inlet hopper, a rotating shaft is arranged in the middle of the mounting plate in a rotating way, an impeller is arranged on the rotating shaft towards the outer side of one end of the air outlet hopper, the other end of the rotating shaft is connected with a first belt pulley in a key way, a motor base is arranged on one side of the upper surface of the shell close to the air inlet hopper, supporting blocks are uniformly formed on the front side and the rear side of the upper surface of the motor base in a integrated way, and the servo motor is buffered when the servo motor works to generate vibration through multi-stage shock, meanwhile, the noise is reduced by reducing the vibration of the servo motor, and the noise pollution is avoided.

Description

Centrifugal fire-fighting smoke exhaust fan

Technical Field

The utility model relates to a smoke exhaust fan technical field, concrete field is a centrifugal fire control smoke exhaust fan.

Background

The smoke exhaust fan is a machine which can rapidly exhaust peculiar smell, high temperature and oil smoke gas generated in a room, and the machine is characterized by good high temperature resistance and high efficiency, the types of the fan comprise a centrifugal fan, an axial flow fan, a centrifugal fan and axial flow wind, the machine is suitable for small and large sizes according to the space size and the arrangement condition of a smoke exhaust hood, the centrifugal fan is divided into a forward multi-blade impeller and a backward impeller, the forward impeller has the advantage that the forward impeller can obtain larger air volume full pressure by selecting a smaller diameter with lower rotating speed, the forward impeller has the defects of lower efficiency, higher energy consumption and difficult cleaning and descaling, and the backward impeller has the advantages of higher efficiency, energy conservation and convenient cleaning and descaling; the existing centrifugal fire-fighting smoke exhaust fan can cause larger noise and larger vibration in work, the vibration and the noise are mainly caused by the work of a motor, not only noise pollution is caused, but also the service life of the smoke exhaust fan is reduced, and therefore the centrifugal fire-fighting smoke exhaust fan is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal fire control smoke exhaust fan to current centrifugal fire control smoke exhaust fan who proposes in solving above-mentioned background art can cause great noise and great vibrations at work, and vibrations and noise are mainly caused by motor work, have not only caused noise pollution, have still reduced smoke exhaust fan's life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a centrifugal fire-fighting smoke exhaust fan comprises a shell, wherein an air outlet hopper is arranged on the outer side wall of one side of the shell in a penetrating manner, an air inlet hopper is arranged on the outer side wall of the other side of the shell in a penetrating manner, a mounting plate is arranged on the inner side wall of the shell and on the side close to the air inlet hopper, a rotating shaft is arranged in the middle of the mounting plate in a rotating manner, an impeller is arranged on the rotating shaft and faces the outer side of one end of the air outlet hopper, a first belt pulley is connected to the other end of the rotating shaft in a key manner, a motor base is arranged on the upper surface of the shell and close to the air inlet hopper, supporting blocks are integrally formed on the front side and the rear side of the upper surface of the motor base, grooves are formed in the inner side wall of the supporting blocks, rubber blocks are embedded in the grooves, horizontal steel plates are connected with arched steel plates in a clamping manner, one ends, the upper surface fixed mounting of arch steel sheet has servo motor, both sides all are equipped with the one end of second spring around servo motor, the other end of second spring is connected with the upper surface of homonymy supporting shoe respectively, be equipped with the second belt pulley on servo motor's the output, the second belt pulley passes through belt and first belt pulley transmission.

Preferably, the top of the outer side surface of the supporting block is provided with an arc-shaped transition part.

Preferably, the number of the first springs is not less than five, the distance between every two first springs is equal, and the first springs are symmetrical about a vertical plane where the middle of the motor base is located.

Preferably, the outer side of the servo motor is provided with a motor cover which is of a double-layer shell structure, and the motor cover is filled with a silencing sponge.

Preferably, the front surface of the motor cover is provided with an observation window.

Preferably, the upper surface of the shell is symmetrically provided with a limiting sleeve in front and back at a position corresponding to the belt, and the belt passes through the limiting sleeve.

Preferably, the middle part of the inner side wall of the shell is provided with a first filter screen, and one side of the middle part of the inner side wall of the shell, which is close to the air outlet hopper, is provided with a second filter screen.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a centrifugal fire control smoke exhaust fan, has following advantage:

(1) the backward impeller type smoke exhaust fan is adopted, so that the efficiency is higher, the energy is saved, and the cleaning and the descaling are convenient;

(2) through multi-stage cushioning, when the servo motor vibrates during working, the servo motor is cushioned, so that the stability of the servo motor during working is improved, the service life of the servo motor is prolonged, the impeller is ensured to rotate stably, the smoke exhaust efficiency is ensured, and meanwhile, the noise is reduced by reducing the vibration of the servo motor, and the noise pollution is avoided;

(3) the outside of servo motor is equipped with the motor cover, protects servo motor, avoids debris such as dust to cause the damage to servo motor, and double-deck casing and the amortization sponge of inside packing have reduced the noise that servo motor during operation spread simultaneously.

Drawings

FIG. 1 is a schematic sectional view of the embodiment 1;

FIG. 2 is a schematic sectional view of the motor base of FIG. 1 along the A direction;

FIG. 3 is a schematic front view showing the structure of embodiment 1;

FIG. 4 is a schematic top view of the housing according to embodiment 1;

fig. 5 is a front sectional structural view of embodiment 2.

In the figure: the device comprises a shell 1, an air outlet hopper 2, an air inlet hopper 3, a mounting plate 4, a rotating shaft 5, an impeller 6, a first belt pulley 7, a motor seat 8, a supporting block 9, a rubber block 10, a horizontal steel plate 11, an arched steel plate 12, a first spring 13, a servo motor 14, a second spring 15, a second belt pulley 16, a belt 17, a motor cover 18, an observation window 19, a limiting sleeve 20, a first filter screen 21 and a second filter screen 22.

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.

Embodiment 1, please refer to fig. 1-2, this embodiment provides a technical solution: a centrifugal fire-fighting smoke-discharging fan comprises a shell 1, an air outlet hopper 2 is arranged on the outer side wall of one side of the shell 1 in a penetrating way, an air inlet hopper 3 is arranged on the outer side wall of the other side of the shell 1 in a penetrating way, a mounting plate 4 is arranged on the inner side wall of the shell 1 and on one side close to the air inlet hopper 3, a rotating shaft 5 is rotatably arranged in the middle of the mounting plate 4, an impeller 6 is arranged on the outer side of one end of the rotating shaft 5 facing the air outlet hopper 2, the other end of the rotating shaft 5 is connected with a first belt pulley 7 through a key, a backward impeller 6 type smoke exhaust fan is adopted, the efficiency is higher, the energy is saved, the cleaning and the descaling are convenient, the servo motor 14 drives the second belt pulley 16 to rotate, the second belt pulley 16 drives the first belt pulley 7 to rotate through a belt 17, thereby the impeller 6 rotates to discharge smoke, the smoke is sucked from the air inlet hopper 3 and is discharged from the air outlet hopper 2 under the action of the impeller 6; a motor base 8 is arranged on one side, close to the air inlet hopper 3, of the upper surface of the shell 1, supporting blocks 9 are integrally formed on the front side and the rear side of the upper surface of the motor base 8, an arc-shaped transition part is arranged at the top of the outer side surface of each supporting block 9, and the supporting blocks 9 can be prevented from injuring a human body due to smooth arrangement of the arc-shaped transition part; the inner side wall of the supporting block 9 is provided with a groove, a rubber block 10 is embedded in the groove, a horizontal steel plate 11 is clamped in the rubber block 10, the horizontal steel plates 11 are connected with an arched steel plate 12, and the arrangement of the horizontal steel plates 11 can enable the arched steel plate 12 and the rubber block 10 to be in uniform contact, so that the transmission of the vibration force is stable; one end of a first spring 13 is uniformly arranged on the lower surface of the arched steel plate 12, the other end of the first spring 13 is connected with the upper surface of the motor base 8, the number of the first springs 13 is not less than five, the distance between every two first springs 13 is equal, the first springs 13 are symmetrical about a vertical plane where the middle of the motor base 8 is located, the first springs 13 can buffer and offset the vibration forces in the vibration force transmission process, and the rubber blocks 10 are matched to play a role in buffering and damping the two ends of the arched steel plate 12, so that the vibration forces generated by the servo motor 14 are offset; the servo motor 14 is fixedly arranged on the upper surface of the arched steel plate 12, the arched steel plate 12 can well support the bottom of the servo motor 14, and the vibration force generated by the servo motor 14 is uniformly transmitted to two ends of the arched steel plate 12 from the top of the arched steel plate 12 due to the arched arrangement of the arched steel plate 12; one end of a second spring 15 is arranged on each of the front side and the rear side of the servo motor 14, the other end of the second spring 15 is connected with the upper surface of the supporting block 9 on the same side, when the servo motor 14 vibrates during working, the second spring 15 can buffer the two sides of the servo motor 14, and the stability of the servo motor 14 during working is improved; and a second belt pulley 16 is arranged on the output end of the servo motor 14, and the second belt pulley 16 is in transmission with the first belt pulley 7 through a belt 17.

Particularly, the lateral surface top of supporting shoe 9 is equipped with arc transition portion, and the level and smooth setting of arc transition portion can avoid supporting shoe 9 to cause the injury to the human body.

Particularly, five are no less than to the quantity of first spring 13, and the distance between two liang of first spring 13 equals to first spring 13 has guaranteed the shock attenuation effect when guaranteeing that the atress is even about the vertical plane symmetry at motor cabinet 8 middle part place.

Specifically, the outside of servo motor 14 is equipped with motor cover 18, motor cover 18 is double-deck shell structure, motor cover 18 intussuseption is filled with the amortization sponge, protects servo motor 14, avoids debris such as dust to cause the damage to servo motor 14, and double-deck shell and the amortization sponge of inside packing have reduced the noise that servo motor 14 during operation was spread simultaneously.

Specifically, referring to fig. 3, an observation window 19 is disposed on a front surface of the motor cover 18, so that a user can observe a working state of the servo motor 14 conveniently.

Specifically, referring to fig. 4, the position of the upper surface of the housing 1 corresponding to the belt 17 is symmetrically provided with a limiting sleeve 20 in a front-back manner, and the belt 17 passes through the limiting sleeve 20 to limit the belt 17, so as to prevent the belt 17 from colliding and rubbing with the housing 1 to affect the normal operation of the smoke exhaust fan.

The working principle is as follows: the utility model adopts the backward-impeller 6 type smoke exhaust fan, which has higher efficiency, saves energy and is convenient for cleaning and descaling, the servo motor 14 drives the second belt pulley 16 to rotate, the second belt pulley 16 drives the first belt pulley 7 to rotate through the belt 17, thereby leading the impeller 6 to rotate and exhaust smoke, sucking the smoke from the air inlet hopper 3 and discharging the smoke from the air outlet hopper 2 under the action of the impeller 6; the servo motor 14 is arranged on the arched steel plate 12, the arched steel plate 12 can well support the bottom of the servo motor 14, because of the arched arrangement of the arched steel plate 12, the vibration force generated by the servo motor 14 is uniformly transmitted to the two ends of the arched steel plate 12 from the top of the arched steel plate 12, the horizontal steel plate 11 is connected with the arched steel plate 12, the arrangement of the horizontal steel plate 11 can make the contact between the arched steel plate 12 and the rubber block 10 more uniform, the transmission of the vibration force is more stable, the first spring 13 can buffer and offset the vibration force in the transmission process of the vibration force, the rubber block 10 is matched to play a role in buffering and damping to the two ends of the arched steel plate 12, so that the vibration force generated by the servo motor 14 is offset, when the servo motor 14 works to generate vibration, the second spring 15 can buffer the two sides of the servo motor 14, thereby improving the stability of the servo motor 14 when working, the service life of the servo motor 14 is prolonged, the impeller 6 is ensured to rotate stably, the smoke exhaust efficiency is ensured, and meanwhile, the noise is reduced by reducing the vibration of the servo motor 14, and the noise pollution is avoided.

Embodiment 2, please refer to fig. 5, and this embodiment provides a centrifugal fire-fighting smoke exhaust fan, which is different from embodiment 1 in that a first filter screen 21 and a second filter screen 22 are provided to filter impurities such as dust in smoke and air, and the structure not mentioned in this embodiment refers to the description of embodiment 1.

A first filter screen 21 is arranged in the middle of the inner side wall of the shell 1, and the first filter screen 21 adopts a filter screen capable of removing peculiar smell such as an active carbon filter screen and the like and is used for removing peculiar smell molecules in the air; a second filter screen 22 is arranged on one side of the middle part of the inner side wall of the shell 1 close to the air outlet hopper 2, and the second filter screen 22 is a filter screen capable of filtering particles such as dust and the like through an air filter membrane and the like and is used for removing dust and the like in air.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 centrifugal fire control smoke exhaust fan, includes shell (1), its characterized in that: the wind power generation device is characterized in that an air outlet hopper (2) penetrates through the outer side wall of one side of the shell (1), an air inlet hopper (3) penetrates through the outer side wall of the other side of the shell (1), a mounting plate (4) is arranged on the inner side wall of the shell (1) and close to the air inlet hopper (3), a rotating shaft (5) is arranged in the middle of the mounting plate (4) in a rotating mode, an impeller (6) is arranged on the outer side of one end, facing the air outlet hopper (2), of the rotating shaft (5), a first belt pulley (7) is connected to the other end of the rotating shaft (5), a motor base (8) is arranged on one side, close to the air inlet hopper (3), of the upper surface of the shell (1), supporting blocks (9) are integrally formed on the front side and the rear side of the upper surface of the motor base (8), grooves are formed in the inner side wall of the supporting blocks (9), rubber blocks, horizontal steel sheet (11) all are connected with arch steel sheet (12), the lower surface of arch steel sheet (12) evenly is equipped with the one end of first spring (13), the other end of first spring (13) all is connected with the upper surface of motor cabinet (8), the last fixed surface of arch steel sheet (12) installs servo motor (14), both sides all are equipped with the one end of second spring (15) around servo motor (14), the other end of second spring (15) is connected with the upper surface of homonymy supporting shoe (9) respectively, be equipped with second belt pulley (16) on the output of servo motor (14), second belt pulley (16) are through belt (17) and first belt pulley (7) transmission.

2. The centrifugal fire-fighting smoke exhaust fan according to claim 1, characterized in that: and an arc-shaped transition part is arranged at the top of the outer side surface of the supporting block (9).

3. The centrifugal fire-fighting smoke exhaust fan according to claim 1, characterized in that: the number of the first springs (13) is not less than five, the distance between every two first springs (13) is equal, and the first springs (13) are symmetrical about a vertical plane where the middle of the motor base (8) is located.

4. The centrifugal fire-fighting smoke exhaust fan according to claim 1, characterized in that: the outer side of the servo motor (14) is provided with a motor cover (18), the motor cover (18) is of a double-layer shell structure, and a silencing sponge is filled in the motor cover (18).

5. The centrifugal fire-fighting smoke exhaust fan according to claim 4, characterized in that: an observation window (19) is arranged on the front surface of the motor cover (18).

6. The centrifugal fire-fighting smoke exhaust fan according to claim 1, characterized in that: the upper surface of the shell (1) is symmetrically provided with limiting sleeves (20) in the front and back directions at positions corresponding to the belts (17), and the belts (17) penetrate through the limiting sleeves (20).

7. The centrifugal fire-fighting smoke exhaust fan according to claim 1, characterized in that: the air conditioner is characterized in that a first filter screen (21) is arranged in the middle of the inner side wall of the shell (1), and a second filter screen (22) is arranged on one side, close to the air outlet hopper (2), of the middle of the inner side wall of the shell (1).