CN219473870U - Fire control fume extractor - Google Patents

Abstract

The application relates to the field of fire-fighting equipment, especially, relate to a fire-fighting smoke extractor, it includes exhaust duct and filter screen, still includes dust collector, the filter screen is installed inside exhaust duct, dust collector includes dust removal suction nozzle, coupling hose, the dust removal suction nozzle is installed in the position that is close to the filter screen inside exhaust duct, coupling hose one end is connected on dust removal suction nozzle, and the other end wears out from exhaust duct inside and is connected with the dust catcher. The application has the effects that the filter screen of the fire prevention fume extractor is cleaned by a worker conveniently, and the occurrence of the condition of filter screen blockage is reduced.

Description

Fire control fume extractor

Technical Field

The application relates to the technical field of fire-fighting equipment, in particular to a fire-fighting smoke extractor.

Background

Fire is one of the disasters that jeopardizes public life and social development, and thus the role of fire protection systems in construction is of paramount importance. The fire-fighting smoke discharging device is a common fire-fighting device in a fire-fighting system.

The Chinese application new type patent with publication number CN212457266U discloses a fire-fighting ventilation smoke exhaust device, which mainly comprises a smoke exhaust duct and an exhaust fan, wherein the exhaust fan is arranged at one end of the smoke exhaust duct. An air inlet is formed in the side wall of the smoke exhaust air duct, and a filter screen is arranged in the air inlet. When the exhaust fan is started, indoor smoke dust can be discharged, and the smoke dust can be filtered by the filter screen in the discharging process, so that the harm to the environment caused by the fact that the smoke dust is directly discharged to the environment when a fire disaster occurs is reduced.

In the daily ventilation process of the smoke exhaust device, dust is filtered by the filter screen, and the filter screen filters air for a long time to cause more dust adhered to the filter screen, so that the filtering effect and permeability of the filter screen are affected. And ventilation fume extractor in the building is built at indoor top more, and is comparatively inconvenient when clearing up the filter screen.

Disclosure of Invention

In order to facilitate the cleaning of a filter screen by a worker, the occurrence of the condition of blocking of the filter screen is reduced, and the fire-fighting smoke exhaust device is provided.

The application provides a fire control fume extractor adopts following technical scheme:

the utility model provides a fire control fume extractor, includes exhaust duct and filter screen, still includes dust collector, the filter screen is installed inside exhaust duct, dust collector includes dust removal suction nozzle, coupling hose, the position that is close to the filter screen inside exhaust duct is installed to the dust removal suction nozzle, coupling hose one end is connected on dust removal suction nozzle, and the other end wears out from exhaust duct inside and is connected with the dust catcher.

Through adopting above-mentioned technical scheme, the inside negative pressure that produces of dust removal suction nozzle after the dust catcher starts, and the dust removal suction nozzle can be with the dust absorption of adhesion on the filter screen to realize the automatic dust removal of filter screen, make things convenient for the staff to clear up the filter screen, alleviate staff's burden.

Optionally, the dust removal suction nozzle can slide along the length direction perpendicular to the fume exhaust pipeline.

Through adopting above-mentioned technical scheme, after starting the dust catcher, remove dust removal suction nozzle and can remove dust to different positions, improve the cleaning performance of filter screen.

Optionally, be provided with the tractive subassembly on the lateral surface that corresponds coupling hose and wear out on the lateral wall of exhaust flue, the tractive subassembly includes tractive board and elastic component, tractive board is along the length direction sliding connection of exhaust flue on exhaust flue's lateral wall, the elastic component is installed and is used for making the tractive board keep away from the trend that the direction moved of dust removal suction nozzle on exhaust flue, coupling hose is connected with tractive board.

Through adopting above-mentioned technical scheme, the dust removal suction nozzle removes in-process and drives the coupling hose and get into the exhaust pipe inside, and the coupling hose is difficult for removing after getting into the exhaust pipe. The pulling force is applied to the connecting hose outside the smoke exhaust pipeline through the pulling component, so that the connecting hose can automatically move out of the smoke exhaust pipeline after the dust removal of the dust removal suction nozzle is completed, the influence of the connecting hose on the permeability of the smoke exhaust pipeline is reduced, the influence of the high temperature generated by fire in the smoke exhaust pipeline on the connecting hose can be reduced, and the service life of the connecting hose is prolonged.

Optionally, the elastic component is extension spring, and extension spring is located the traction plate is kept away from one side of dust removal suction nozzle, extension spring one end with the traction plate is connected the other end and is connected with exhaust flue to extension spring is in tensile state.

Through adopting above-mentioned technical scheme, can make the pulling plate to the power that moves in the direction of keeping away from the dust removal suction nozzle to pulling plate time when the extension spring is in tensile state to make the pulling plate keep to the trend of keeping away from the direction removal suction nozzle.

Optionally, the position that corresponds the coupling hose and wear out on the exhaust flue is provided with the rotation piece, the rotation piece rotates to be connected on the exhaust flue, and the rotation piece can laminate coupling hose lateral wall roll when coupling duct removes.

Through adopting above-mentioned technical scheme, in the dust removal suction nozzle removal process, connecting hose and exhaust pipe butt under the effect of dust removal suction nozzle and traction plate to because there is great frictional force between traction plate's the pulling force connecting hose and the exhaust pipe, make the connecting hose remove inconveniently. The sliding friction force between the smoke exhaust pipe and the connecting hose is turned into rolling friction force by the rotating piece, so that friction force between the connecting hose and the smoke exhaust pipe is reduced, and the connecting hose is convenient to move.

Optionally, the dust collector further includes drive assembly, drive assembly includes drive screw and driving piece, drive screw sets up along the slip direction of dust removal suction nozzle, and dust removal suction nozzle and drive screw threaded connection, the driving piece is installed on exhaust flue for drive screw rotates.

By adopting the technical scheme, the driving piece drives the driving screw to rotate, so that the automatic movement of the dust removing suction nozzle is realized. When the filter screen needs to be cleaned, a worker can control the driving piece to drive the driving screw to rotate through the controller, so that the automatic dust removal of the filter screen is realized.

Optionally, the drive assembly still includes guide bar and guide block, the guide bar sets up in parallel with drive screw, the guide block is established on the guide bar along the length direction slip cap of guide bar, and the guide block is connected with dust removal suction nozzle.

Through adopting above-mentioned technical scheme, the slip through the guide bar to the guide block is led, and then realizes the direction to the dust removal suction nozzle removal. In addition, the guide rod can prevent the dust removal suction nozzle from rotating along with the driving screw, so that the stability of the driving screw in the driving process is improved.

Optionally, the driving member is located outside the smoke exhaust duct.

Through adopting above-mentioned technical scheme, the driving piece setting can reduce the influence of the smoke and dust that the driving piece received in exhaust duct outside, improves the life of driving piece, has practiced thrift the inside space of exhaust duct moreover, guarantees the circulation of exhaust duct internal air.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is an enlarged view of portion a of fig. 1 in accordance with an embodiment of the present application.

Fig. 3 is an enlarged view of portion B of fig. 1 in accordance with an embodiment of the present application.

Fig. 4 is a schematic structural view of a driving assembly according to an embodiment of the present application.

Reference numerals: 1. a smoke exhaust duct; 2. a smoke exhaust fan; 3. a filter screen; 4. a dust removal device; 41. a connecting hose; 42. a dust removing suction nozzle; 43. a drive assembly; 431. driving a screw; 432. a driving block; 433. a guide block; 434. a guide rod; 435. a driving member; 5. a pulling assembly; 51. a pulling plate; 52. an elastic member; 6. and a rotating member.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a fire control fume extractor.

Referring to fig. 1, a fire-fighting smoke exhaust device includes a smoke exhaust duct 1, a smoke exhaust fan 2, a filter screen 3 and a dust-removing device 4, wherein the smoke exhaust duct 1 has a square tubular structure, and the smoke exhaust duct 1 is horizontally arranged. The filter screen 3 is installed inside the smoke exhaust duct 1, and the filter screen 3 is perpendicular to the length direction of the smoke exhaust duct 1. The smoke exhaust fan 2 is arranged at one end of the smoke exhaust pipeline 1, and when the smoke exhaust fan 2 operates, air in the smoke exhaust pipeline 1 can be driven to flow, and the air flows through the filter screen 3 in the process of air flowing, and the filter screen 3 filters the air. The dust removing device 4 is arranged on the inner side wall of the smoke exhaust pipeline 1 and is close to the filter screen 3 and used for removing dust from the filter screen 3. The dust collector 4 is controlled to remove dust on the filter screen 3 to the staff's accessible, makes things convenient for the staff to clear up the filter screen 3.

Referring to fig. 1, the dust removing device 4 includes a connection hose 41 and a dust removing suction nozzle 42, the dust removing suction nozzle 42 is a housing structure provided with an opening at one side, and the opening of the suction nozzle faces the filter screen 3 and is attached to the filter screen 3. The dust removing suction nozzle 42 is slidably connected to the inner side wall of the smoke exhaust duct 1 in a direction perpendicular to the length direction of the smoke exhaust duct 1. One end of the connection hose 41 communicates with the interior of the dust removing nozzle 42, and the other end communicates with the cleaner. Activating the cleaner can cause a negative pressure to be formed inside the dust-removing suction nozzle 42; so that dust on the filter screen 3 enters the inside of the cleaner along the connecting hose 41, and dust removal of the filter screen 3 is completed. In the operation process of the dust collector, the mobile dust removing suction nozzle 42 can enable the dust removing suction nozzle 42 to remove dust at different positions of the filter screen 3, so that the cleaning effect of the dust removing device 4 on the filter screen 3 is improved.

Referring to fig. 1 and 2, the connection hose 41 is made of a flexible material, and an end of the connection hose 41 remote from the dust removing suction nozzle 42 passes out of the smoke exhaust duct 1 in a direction perpendicular to the length direction of the smoke exhaust duct 1 and then extends in the length direction of the smoke exhaust duct 1. Through holes are formed in the smoke exhaust pipeline 1 at positions corresponding to the positions where the connecting hoses 41 penetrate out, and the connecting hoses 41 are arranged in the through holes in a sliding penetrating mode. The through hole is provided with a rotating member 6 near one side of the pulling plate 51, and the rotating member 6 is used for converting sliding friction force between the connecting hose 41 and the smoke exhaust pipe 1 into rolling friction force. The rotating member 6 in this embodiment is a roller, the axis of the roller is perpendicular to the length direction of the smoke exhaust pipe 1, and the side wall of the roller is attached to the connecting hose 41. When the connecting pipe moves, the side wall of the roller is attached to the side wall of the connecting hose 41 to rotate, so that friction between the connecting hose 41 and the smoke exhaust pipeline 1 is reduced, and the connecting hose 41 is convenient to move along with the dust removing suction nozzle 42. In other embodiments, the rotating member 6 may be a bearing, a ball, or the like.

Referring to fig. 1 and 3, a pulling unit 5 is provided on one side wall of the smoke exhaust duct 1, and the pulling unit 5 is used for applying a force to the connection hose 41 to move to the outside of the smoke exhaust duct 1, so that the occurrence of accumulation of the connection hose 41 in the smoke exhaust duct 1 is reduced. The pulling assembly 5 comprises a pulling plate 51 and an elastic piece 52, wherein the pulling plate 51 is slidingly connected to the outer side wall of the smoke exhaust duct 1 along the length direction of the smoke exhaust duct 1. The pulling plate 51 is provided with a through hole penetrating along the length direction of the smoke exhaust pipeline 1, one end of the connecting hose 41, which is far away from the dust removing suction nozzle 42, penetrates through the through hole to one side of the pulling plate 51, which is far away from the dust removing suction nozzle 42, and the outer side wall of the connecting hose 41 is adhered to the side wall of the through hole. The elastic member 52 is disposed on a side of the pulling plate 51 away from the dust removing suction nozzle 42, and the elastic member 52 is used for keeping the pulling plate 51 moving along the length direction of the smoke exhaust duct 1 in a direction away from the dust removing suction nozzle 42.

Referring to fig. 1 and 3, the elastic member 52 is an extension spring in this embodiment, and in other embodiments, the elastic member 52 may be a rubber band, a gas spring, or the like. In this embodiment, one end of the tension spring is welded to the pulling plate 51, the other end is welded to the smoke exhaust duct 1, and the tension spring is in a stretched state. After the dust removal nozzle 42 removes dust under the action of the elastic member 52, the pulling plate 51 removes the connection hose 41 from the inside of the smoke exhaust duct 1, thereby reducing the influence of the connection hose 41 on the air flow inside the smoke exhaust duct 1. Further, since the connection hose 41 is located outside the smoke exhaust duct 1 in a normal state, the connection hose 41 is less affected by the fire temperature at the time of fire occurrence, and the service life of the connection hose 41 can be improved.

Referring to fig. 1 and 4, the dust removing device 4 further includes a driving assembly 43, and the driving assembly 43 is used for driving the dust removing suction nozzle 42 to automatically move. The driving assembly 43 includes a driving screw 431 and a driving block 432, the driving screw 431 is located at a side of the dust removing suction nozzle 42 away from the filter screen 3, the driving screw 431 is disposed along a sliding direction of the dust removing suction nozzle 42, and one end of the driving screw 431 is rotatably connected to an inner side wall of the smoke exhaust duct 1. The drive block 432 is welded on one side of the dust removal suction nozzle 42 far away from the filter screen 3, the drive screw 431 penetrates through the drive block 432, a threaded hole is formed in the position, corresponding to the drive screw 431, of the drive block 432, the drive screw 431 is in threaded connection with the threaded hole, and the drive screw 431 can drive the dust removal suction nozzle 42 to move by rotating. The driving assembly 43 further includes a driving member 435, the driving member 435 is used for driving the driving screw 431 to rotate, in this embodiment, the driving member 435 is a servo motor, and the servo motor is disposed outside the smoke exhaust pipe 1. The outer shell of the servo motor is welded on the outer side wall of the smoke exhaust pipeline 1, and the output shaft of the servo motor penetrates through the smoke exhaust pipeline 1 and is coaxially welded with one end of the driving screw 431. The output shaft of the servo motor rotates to drive the driving screw 431 to rotate, so that the dust removing suction nozzle 42 automatically moves to remove dust from the whole filter screen 3.

Referring to fig. 2, the driving assembly 43 further includes a guide block 433 and a guide bar 434, the guide block 433 is welded to a side of the dust removing nozzle 42 remote from the filter screen 3, the guide bar 434 has a cylindrical rod-shaped structure, and the guide bar 434 is disposed parallel to the driving screw 431. Through holes are formed in the guide blocks 433 at positions corresponding to the guide rods 434, and the guide rods 434 are slidably fitted in the through holes. In the moving process of the dust removing suction nozzle 42, the guide rod 434 can guide the movement of the dust removing suction nozzle 42, so that the moving process of the dust removing suction nozzle 42 is more stable; and the guide rod 434 can prevent the dust removing suction nozzle 42 from rotating along with the driving screw 431, so that the stability of the driving screw 431 for driving the dust removing suction nozzle 42 to move is improved.

The implementation principle of the fire-fighting smoke discharging device in the embodiment of the application is as follows: during the use process of the fire-fighting smoke discharging device, a worker can control the dust collector to start through the controller, and after the dust collector is started, negative pressure is formed in the dust collecting suction nozzle 42 to suck dust on the filter screen 3. Then the servo motor is controlled to start by the controller, and the servo motor can drive the dust removal suction nozzle 42 to move, so that the dust removal suction nozzle 42 removes dust at different positions of the filter screen 3. After the dust removal is completed, the servo motor drives the dust removal suction nozzle 42 to reset, and the traction plate 51 moves the connecting hose 41 to the outside of the smoke exhaust pipeline 1 under the action of the elastic piece 52, so that the influence of the connecting hose 41 on the permeability of the smoke exhaust pipeline 1 is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a fire control fume extractor, includes exhaust duct (1) and filter screen (3), its characterized in that: still include dust collector (4), filter screen (3) are installed inside exhaust pipe (1), dust collector (4) are including dust removal suction nozzle (42) and coupling hose (41), dust removal suction nozzle (42) are installed in the position that is close to filter screen (3) inside exhaust pipe (1), coupling hose (41) one end is connected on dust removal suction nozzle (42), and the other end wears out and is connected with the dust catcher from exhaust pipe (1) inside.

2. A fire smoke evacuation device according to claim 1, wherein: the dust removing suction nozzle (42) can slide along the length direction vertical to the smoke exhaust pipeline (1).

3. A fire smoke evacuation device according to claim 2, wherein: the side that corresponds coupling hose (41) and wear out on the lateral wall of exhaust flue (1) is provided with tractive subassembly (5), tractive subassembly (5) are including tractive board (51) and elastic component (52), tractive board (51) are along the length direction sliding connection of exhaust flue (1) on the lateral wall of exhaust flue (1), elastic component (52) are installed on exhaust flue (1) and are used for making tractive board (51) keep to keeping away from the trend that the direction of dust removal suction nozzle (42) removed, coupling hose (41) are connected with tractive board (51).

4. A fire smoke evacuation device according to claim 3, wherein: the elastic piece (52) is an extension spring, the extension spring is located on one side, far away from the dust removal suction nozzle (42), of the traction plate (51), one end of the extension spring is connected with the traction plate (51), the other end of the extension spring is connected with the smoke exhaust pipeline (1), and the extension spring is in an extension state.

5. The fire protection and smoke evacuation device according to claim 4, wherein: the smoke exhaust pipeline (1) is provided with a rotating piece (6) at a position corresponding to the penetrating-out position of the connecting hose (41), the rotating piece (6) is rotationally connected to the smoke exhaust pipeline (1), and the rotating piece (6) can be attached to the side wall of the connecting hose (41) to roll when the connecting pipeline moves.

6. A fire smoke evacuation device according to claim 2, wherein: the dust removing device (4) further comprises a driving assembly (43), the driving assembly (43) comprises a driving screw (431) and a driving piece (435), the driving screw (431) is arranged along the sliding direction of the dust removing suction nozzle (42), the dust removing suction nozzle (42) is in threaded connection with the driving screw (431), and the driving piece (435) is installed on the smoke exhaust pipeline (1) and used for driving the driving screw (431) to rotate.

7. The fire protection and smoke evacuation device according to claim 6, wherein: the driving assembly (43) further comprises a guide rod (434) and a guide block (433), the guide rod (434) is parallel to the driving screw (431), the guide block (433) is slidably sleeved on the guide rod (434) along the length direction of the guide rod (434), and the guide block (433) is connected with the dust removing suction nozzle (42).

8. The fire protection and smoke evacuation device according to claim 7, wherein: the driving element (435) is located outside the smoke exhaust duct (1).