CN219197686U

CN219197686U - Centrifugal fan for fire-fighting smoke exhaust

Info

Publication number: CN219197686U
Application number: CN202320812049.1U
Authority: CN
Inventors: 倪明其; 段东
Original assignee: Shanghai Zhanzhao Ventilation Equipment Manufacturing Co ltd
Current assignee: Shanghai Zhanzhao Ventilation Equipment Manufacturing Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-06-16
Anticipated expiration: 2033-04-11

Abstract

The utility model provides a centrifugal fan for fire-fighting smoke discharge, which relates to the technical field of ventilation equipment and comprises a fan shell, wherein an air inlet is formed in one side of the fan shell, an air inlet pipe is arranged at one end of the air inlet, the air inlet pipe comprises a first pipe body, a tripod and a filter screen, the tripod is internally installed in the first pipe body, the filter screen is connected with the tripod, a reduction gear assembly is installed on one side of the outer wall of the tripod, the output end of the reduction gear assembly penetrates through the tripod and is connected with a support, a hairbrush is installed on one side of the support, the outer wall of the hairbrush is attached to one side of the filter screen, a turbine blade is rotatably connected in the fan shell, and the input end of the reduction gear assembly extends into the fan shell and is connected with one side of the turbine blade. The utility model has the advantages of simple and reasonable structure, novel design, simple and convenient assembly, effective guarantee of permeability and higher practical value.

Description

Centrifugal fan for fire-fighting smoke exhaust

Technical Field

The utility model belongs to the technical field of ventilation equipment, and particularly relates to a centrifugal fan for fire-fighting smoke exhaust.

Background

The centrifugal fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. The centrifugal fan is widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and mainly comprises an air inlet, an air valve, an impeller, a motor, an air outlet and the like, wherein in operation, air flow axially enters a blade space by the fan and then rotates along with the impeller under the driving of the impeller; on the other hand, the energy is increased under the action of inertia, and the impeller is separated from the radial direction.

At present, the existing centrifugal fan can be provided with a filter screen for air intake and filtration, but when fire protection and smoke discharge are used, more smoke dust impurities are attached to the filter screen, and once the smoke dust impurities are accumulated too much, the permeability of the filter screen is directly affected, so that the ventilation efficiency of the centrifugal fan is reduced, and normal use is not facilitated.

Accordingly, the present utility model has been made in view of the above problems, and an object of the present utility model is to provide a centrifugal fan for fire-fighting smoke exhaust, which is more practical.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a centrifugal fan for fire-fighting smoke exhaust, which is used for solving the problems set forth in the background technology.

The utility model discloses a centrifugal fan for fire control and smoke exhaust, which is characterized by comprising the following specific technical means:

the utility model provides a centrifugal fan for fire control is discharged fume, includes the fan housing, one side of fan housing is provided with the air intake, the one end of air intake is equipped with the air-supply line, the air-supply line includes first body, tripod and filter screen, the internally mounted tripod of first body, the internally connected filter screen of tripod, reduction gear assembly is installed to outer wall one side of tripod, reduction gear assembly's output runs through the tripod to be connected with the support, the brush is installed to one side of support, the outer wall of brush with one side of filter screen is laminated mutually, the inside rotation of fan housing is connected with turbine blade, reduction gear assembly's input extends to the inside of fan housing, and with one side of turbine blade is connected.

Further, the outer wall of fan housing is equipped with the air outlet, one side of air outlet is connected with out the tuber pipe, it includes second body, a plurality of gas pocket, sealing plug, fixed plate and elastic expansion link to go out the tuber pipe, the inside sliding connection sealing plug of play tuber pipe, it sets up a plurality of to go out outer wall one side of tuber pipe a plurality of the gas pocket, a plurality of one side of gas pocket with the outer wall of sealing plug laminating mutually.

Further, a fixing plate is arranged on one side of the second pipe body, an elastic telescopic rod is arranged on one side of the fixing plate, and the output end of the elastic telescopic rod is connected with one side of the sealing plug.

Further, a driving motor is installed on one side of the outer wall of the fan shell, and the output end of the driving motor extends to the inside of the fan shell and is in transmission connection with one side of the turbine blade.

Further, the air outlet pipe is perpendicular to the air inlet pipe.

Further, the bottom of fan shell installs the chassis, the bottom of chassis is provided with anti-skidding texture.

Compared with the prior art, the utility model has the following beneficial effects:

this kind of a centrifugal fan for fire control is discharged fume, through the mutually supporting of air-supply line, gear reduction assembly, support and brush, make this centrifugal fan possess the function of self-cleaning, wherein, through gear reduction assembly's installation use, make it transmit turbine blade high-speed rotatory mechanical energy to the support, make the support drive the brush in one side of tripod and carry out the low-speed rotation, and utilize the laminating positional relationship between brush and the filter screen, be convenient for carry out effectual deashing to the filter screen and handle, through such a mode, effectively ensured this centrifugal fan's air inlet efficiency, the utility model, and a structure is simple and reasonable, novel in design, the assembly is simple convenient, can effectively ensure the penetrating rate, and has higher practical value.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a front view of the air inlet duct of the present utility model.

Fig. 3 is a rear view of the air inlet duct of the present utility model.

Fig. 4 is a cross-sectional view of the outlet duct structure of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

100. a blower housing; 200. a driving motor; 300. an air inlet pipe; 3001. a first tube body; 3002. a tripod; 3003. a filter screen; 400. an air outlet pipe; 4001. a second tube body; 4002. air holes; 4003. a sealing plug; 4004. a fixing plate; 4005. an elastic telescopic rod; 500. a chassis; 600. a reduction gear assembly; 700. a bracket; 800. a brush.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

Examples:

as shown in fig. 1 to 4:

the utility model provides a centrifugal fan for fire-fighting smoke exhaust, which comprises a fan shell 100, wherein an air inlet is formed in one side of the fan shell 100, an air inlet pipe 300 is arranged at one end of the air inlet, the air inlet pipe 300 comprises a first pipe body 3001, a tripod 3002 and a filter screen 3003, the tripod 3002 is internally installed in the first pipe body 3001, the filter screen 3003 is connected in the tripod 3002, a reduction gear assembly 600 is installed on one side of the outer wall of the tripod 3002, the output end of the reduction gear assembly 600 penetrates through the tripod 3002 and is connected with a support 700, a hairbrush 800 is installed on one side of the support 700, the outer wall of the hairbrush 800 is attached to one side of the filter screen 3003, turbine blades are rotatably connected in the interior of the fan shell 100, and the input end of the reduction gear assembly 600 extends into the interior of the fan shell 100 and is connected with one side of the turbine blades.

Wherein, the outer wall of the fan housing 100 is provided with an air outlet, one side of the air outlet is connected with an air outlet pipe 400, the air outlet pipe 400 comprises a second pipe body 4001, a plurality of air holes 4002, a sealing plug 4003, a fixing plate 4004 and an elastic telescopic rod 4005, the inside of the air outlet pipe 400 is connected with the sealing plug 4003 in a sliding way, one side of the outer wall of the air outlet pipe 400 is provided with a plurality of air holes 4002, one side of the air holes 4002 is attached to the outer wall of the sealing plug 4003, and the second pipe body 4001 is convenient to exhaust smoke and air through the arrangement of the air holes 4002 and then is matched with the sealing function of the sealing plug 4003, so that the centrifugal fan is kept sealed when not running.

Wherein, fixed plate 4004 is installed to one side of second body 4001, and elastic telescopic rod 4005 is installed to one side of fixed plate 4004, and elastic telescopic rod 4005's output is connected with one side of sealing plug 4003 for keep hugging closely between sealing plug 4003 and the gas pocket 4002 through elastic telescopic rod 4005's the elastic action to sealing plug 4003, and receive wind-force promotion, then sealing plug 4003 and gas pocket 4002 dislocation separation each other.

Wherein, the driving motor 200 is installed at one side of the outer wall of the fan housing 100, and the output end of the driving motor 200 extends to the inside of the fan housing 100 and is in transmission connection with one side of the turbine blade, and is installed and used by the driving motor 200, so that sufficient power is provided for the rotation of the turbine blade and the brush 800.

The air outlet pipe 400 is perpendicular to the air inlet pipe 300, so that the smoke discharging efficiency of the centrifugal fan is improved through the position relationship between the air outlet pipe 400 and the air inlet pipe 300.

Wherein, the chassis 500 is installed to the bottom of fan housing 100, and the bottom of chassis 500 is provided with anti-skidding texture for this centrifugal fan keeps steady when the operation through the supporting role of chassis 500.

Specific use and action of the embodiment:

when the centrifugal fan for fire-fighting smoke exhaust is used, firstly, whether the connection part of the centrifugal fan is fastened or not is detected, after the connection part is ensured to be intact, the centrifugal fan is placed at a designated position, wherein the mechanical energy of high-speed rotation of turbine blades is transmitted to the bracket 700 through the installation and use of the reduction gear assembly 600, the bracket 700 drives the hairbrush 800 to rotate at a low speed on one side of the tripod 3002, the filter screen 3003 is conveniently subjected to effective dust removal treatment by utilizing the joint position relationship between the hairbrush 800 and the filter screen 3003, the air inlet efficiency of the centrifugal fan is effectively ensured in such a way, meanwhile, the smoke exhaust efficiency of the centrifugal fan is conveniently improved through the position relationship between the air outlet pipe 400 and the air inlet pipe 300, the sealing plug 4003 is kept to be closely attached through the elastic action of the elastic telescopic rod 4005 on the sealing plug 4003, the sealing plug 4003 is pushed by wind force, the sealing plug 4003 and the air hole 4002 are separated from each other, the second pipe body 4001 is conveniently subjected to smoke exhaust through the arrangement of the air hole 4002, and the sealing effect of the sealing plug 4003 is not kept to be sealed when the centrifugal fan is not operated.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A centrifugal fan for fire control is discharged fume, its characterized in that includes fan housing (100), one side of fan housing (100) is provided with the air intake, the one end of air intake is equipped with air-supply line (300), air-supply line (300) include first body (3001), tripod (3002) and filter screen (3003), internally mounted tripod (3002) of first body (3001), internally connected filter screen (3003) of tripod (3002), reduction gear assembly (600) are installed to outer wall one side of tripod (3002), the output of reduction gear assembly (600) runs through tripod (3002) to be connected with support (700), brush (800) are installed to one side of support (700), the outer wall of brush (800) with one side of filter screen (3003) is laminated mutually, the inside rotation of fan housing (100) is connected with turbine blade, the input of reduction gear assembly (600) extends to the inside of fan housing (100) and is connected with one side of turbine blade.

2. The centrifugal fan for fire protection and smoke evacuation according to claim 1, wherein: the outer wall of fan housing (100) is equipped with the air outlet, one side of air outlet is connected with air-out pipe (400), air-out pipe (400) include second body (4001), a plurality of gas pockets (4002), sealing plug (4003), fixed plate (4004) and elastic expansion link (4005), the inside sliding connection sealing plug (4003) of air-out pipe (400), outer wall one side of air-out pipe (400) sets up a plurality of gas pocket (4002), a plurality of one side of gas pocket (4002) with the outer wall of sealing plug (4003) laminating mutually.

3. The centrifugal fan for fire protection and smoke evacuation according to claim 2, wherein: one side of the second pipe body (4001) is provided with a fixing plate (4004), one side of the fixing plate (4004) is provided with an elastic telescopic rod (4005), and the output end of the elastic telescopic rod (4005) is connected with one side of the sealing plug (4003).

4. The centrifugal fan for fire protection and smoke evacuation according to claim 1, wherein: a driving motor (200) is installed on one side of the outer wall of the fan housing (100), and the output end of the driving motor (200) extends to the inside of the fan housing (100) and is in transmission connection with one side of the turbine blade.

5. The centrifugal fan for fire protection and smoke evacuation according to claim 2, wherein: the air outlet pipe (400) is perpendicular to the air inlet pipe (300).

6. The centrifugal fan for fire protection and smoke evacuation according to claim 1, wherein: the bottom of fan shell (100) is installed chassis (500), the bottom of chassis (500) is provided with anti-skidding texture.