CN219454172U - Automatic fume extractor - Google Patents

Abstract

The utility model provides an automatic smoke exhaust device which comprises a ventilation window, wherein a partition plate is arranged in the ventilation window, the partition plate can divide the ventilation window into two channels which are arranged up and down, a plugging plate capable of plugging one channel opening is slidably arranged on the ventilation window, a driving structure capable of driving the plugging plate to slide on the ventilation window is arranged on the ventilation window, and a fan is arranged in the channel below the ventilation window. The utility model provides an automatic smoke exhaust device, which can play a role in blocking and protecting a lower channel by a blocking plate through a ventilation window, a partition plate, a blocking plate, a fan and a driving structure, so that the occurrence of the condition that the fan is broken and blocked is reduced, and the normal operation of the fan can be ensured when a fire disaster occurs.

Description

Automatic fume extractor

Technical Field

The utility model relates to the technical field of smoke discharging devices, in particular to an automatic smoke discharging device.

Background

When a fire disaster occurs in a building, a large amount of smoke is generated due to the combustion of combustible materials in the building, and the generated smoke contains a large amount of toxic gas, so that people in the fire disaster can be poisoned, choked and the like, and cannot escape from the fire disaster site; when a fire disaster happens, people escape through the safety channel like stairs, but only one small window in the current corridor has a certain ventilation effect, fans are arranged in small windows arranged in at least a few of the tunnels, some children have stubborn skin or people with lower quality throw some foreign matters into the small windows, the fan blades of the fans are blocked to cause damage, and the small windows are blocked due to accumulation of the foreign matters, so that the ventilation of air is affected.

Disclosure of Invention

Based on the technical problems in the background technology, the utility model provides an automatic smoke exhaust device.

The utility model provides an automatic smoke exhaust device which comprises a ventilation window, wherein a partition plate is arranged in the ventilation window, the partition plate can divide the ventilation window into two channels which are arranged up and down, a plugging plate capable of plugging one channel opening is slidably arranged on the ventilation window, a driving structure capable of driving the plugging plate to slide on the ventilation window is arranged on the ventilation window, and a fan is arranged in the channel below the ventilation window.

Preferably, the driving structure comprises a threaded rod, a motor and a disassembly and assembly; the utility model discloses a ventilation window, including ventilation window, shutoff board, motor, shutoff board, motor, the both sides inner wall of ventilation window has seted up with shutoff board side sliding fit lift spout, the threaded rod rotates to be installed in the lift spout, the motor is installed on ventilation window, the one end of threaded rod and the output shaft axial connection of motor, the both sides slip cap of shutoff board is established on two threaded rods respectively.

Preferably, the dismounting component comprises a sleeve block and a tight supporting rod; the movable holes penetrating up and down are formed in two sides of the plugging plate, the sleeve blocks are slidably mounted in the movable holes, the sleeve blocks are sleeved on the threaded rod in a threaded mode, sliding holes matched with the tight supporting rods in a sliding mode are formed in the inner walls of the movable holes, one ends of the tight supporting rods slidably penetrate through the sleeve blocks and abut against the periphery of the threaded rod, and sliding grooves communicated with the sliding holes and matched with the bending sections of the tight supporting rods in a sliding mode are formed in the outer walls of the front sides of the plugging plate.

Preferably, the abutting rod is circumferentially connected with a boss, a limiting chute matched with the boss in a sliding manner is formed in the inner wall of the sliding hole, a spring sleeved on the abutting rod is arranged in the limiting chute, and two ends of the spring are respectively abutted against the inner wall of the end part of the limiting chute and the boss.

Preferably, the isolation net and the protection plate are further installed in the channel below the ventilation window, the isolation net and the plugging plate are arranged in parallel, the protection plate is perpendicular to the isolation net, the back of the plugging plate is connected with an L-shaped plate, the L-shaped plate movably penetrates through the partition plate and is inserted into a gap between the protection plate and the inner wall of the ventilation window, the gap between the protection plate and the ventilation window is the same as the width of the L-shaped plate, the protection plate, the L-shaped plate, the ventilation window and the plugging plate can form a storage space, and a plurality of water bags are placed in the storage space.

Preferably, a pressing switch electrically connected with the fan is arranged on the inner wall of the top of the ventilation window.

The utility model has the following beneficial effects: through ventilation window, baffle, shutoff board, fan and the drive structure that set up, can the shutoff board play a shutoff protection's effect to the below passageway, reduce the fan and smash the condition emergence that the bad card of blocking, when the conflagration takes place, can ensure the normal work of fan.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an automatic smoke exhaust device according to the present utility model;

fig. 2 is a schematic structural view of a lifting plugging plate in an automatic smoke exhaust device according to the present utility model;

fig. 3 is a cross-sectional view of an automatic smoke exhaust device according to the present utility model when a blocking plate blocks a lower channel;

FIG. 4 is a cross-sectional view of an electrically controlled closure plate in an automatic smoke evacuation device according to the present utility model;

FIG. 5 is a cross-sectional view of a manual control of the raising of a plugging plate in an automatic smoke evacuation device according to the present utility model;

fig. 6 is an enlarged view of a portion a of fig. 3 of an automatic smoke exhaust device according to the present utility model;

fig. 7 is a schematic structural diagram of a plugging plate and an L-shaped plate in an automatic smoke exhaust device according to the present utility model.

In the figure: 1. a ventilation window; 2. a partition plate; 3. a plugging plate; 4. a threaded rod; 5. a motor; 6. sleeving blocks; 7. a tightening rod; 8. a spring; 9. an isolation net; 10. a protection plate; 11. an L-shaped plate; 12. a water bag; 13. the switch is pressed.

Detailed Description

Referring to fig. 1-7, the present utility model proposes an automatic smoke evacuation device comprising a ventilation window 1, wherein:

a partition plate 2 is arranged in the ventilation window 1, the partition plate 2 can divide the ventilation window 1 into two channels which are arranged up and down, a plugging plate 3 which can plug one channel opening is slidably arranged on the ventilation window 1, a driving structure which can drive the plugging plate 3 to slide on the ventilation window 1 is arranged on the ventilation window 1, and a fan is arranged in the channel below;

when a fire disaster occurs, the smoke alarm receives a signal, when the smoke alarm senses that the smoke concentration reaches an alarm value, an alarm is given, water is sprayed, and an instruction is given at the same time, and the computer receives the instruction and then controls the driving structure to drive the plugging plate 3 to lift, and simultaneously controls the fan in the lower channel to work, so that the flowing speed of the corridor and the outdoor air is increased, and the smoke discharging efficiency is improved; meanwhile, the effect of the plugging plate 3 can protect the fan in the lower channel, and throwing things in the upper channel can not affect the fan in the lower channel.

In a specific embodiment, the driving structure comprises a threaded rod 4, a motor 5 and a disassembly and assembly; lifting sliding grooves which are in sliding fit with the side edges of the plugging plates 3 are formed in the inner walls of the two sides of the ventilation window 1, the threaded rods 4 are rotatably arranged in the lifting sliding grooves, the motor 5 is arranged on the ventilation window 1, one end of each threaded rod 4 is axially connected with an output shaft of the motor 5, and the two sides of the plugging plates 3 are respectively sleeved on the two threaded rods 4 in a sliding manner;

when the plugging plate 3 is driven to lift, the motor 5 is electrified to drive the threaded rod 4 to rotate, and the plugging plate 3 is driven to complete the lifting action through the threaded fit of the dismounting assembly and the threaded rod 4.

In a specific embodiment, the dismounting component comprises a sleeve block 6 and a tight supporting rod 7; the two sides of the plugging plate 3 are provided with movable holes penetrating up and down, the sleeve block 6 is slidably arranged in the movable holes, the sleeve block 6 is in threaded sleeve on the threaded rod 4, the inner wall of the movable hole is provided with a sliding hole which is in sliding fit with the abutting rod 7, one end of the abutting rod 7 penetrates through the sleeve block 6 in a sliding manner and abuts against the periphery of the threaded rod 4, and the outer wall of the front side of the plugging plate 3 is provided with a sliding groove which is communicated with the sliding hole and is in sliding fit with the bending section of the abutting rod 7;

when the motor 5 works normally, the abutting rod 7 passes through the sleeve block 6 to abut against the periphery of the threaded rod 4, so that the plugging plate 3 and the sleeve block 6 form a whole relatively, and the plugging plate 3 is driven to lift together when the threaded rod 4 drives the sleeve block 6 to lift;

when the motor 5 breaks down or the circuit is burnt out by fire, the person of fleing can grasp the bending section of the supporting rod 7, then slide the supporting rod 7 to enable the end part of the supporting rod 7 to be separated from the sleeve block 6, so that the plugging plate 3 and the sleeve block 6 form two relatively independent objects, the person of fleing manually slides and lifts the plugging plate 3, the sleeve block 6 stays in situ, and when the plugging plate 3 lifts to a high position, the end part of the sliding supporting rod 7 abuts against the periphery of the threaded rod 4, and the position of the plugging plate 3 at a high position is fixed through friction force.

In a specific embodiment, the abutting rod 7 is circumferentially connected with a boss, the inner wall of the sliding hole is provided with a limit chute in sliding fit with the boss, a spring 8 sleeved on the abutting rod 7 is arranged in the limit chute, and two ends of the spring 8 respectively abut against the inner wall of the end part of the limit chute and the boss;

the return of the abutment lever 7 is driven by the spring 8 while ensuring the stability of the closure plate 3 in the high position.

In a specific embodiment, the isolation net 9 and the protection plate 10 are also installed in the channel below the ventilation window 1, the isolation net 9 is arranged in parallel with the plugging plate 3, the protection plate 10 is arranged vertically to the isolation net 9, the back of the plugging plate 3 is connected with an L-shaped plate 11, the L-shaped plate 11 movably penetrates through the partition plate 2 and is inserted into a gap between the protection plate 10 and the inner wall of the ventilation window 1, the size of the gap between the protection plate 10 and the ventilation window 1 is the same as the width of the L-shaped plate 11, the protection plate 10, the L-shaped plate 11, the ventilation window 1 and the plugging plate 3 can form a storage space, and a plurality of water bags 12 are placed in the storage space;

the water bag 12 is filled with purified water, and can be taken out to puncture and wet clothes when escaping, and can cover the mouth and nose to avoid choking or poisoning by smoke; the storage space is relatively sealed, so that the water bag 12 is not influenced by the outside, and the shelf life of the water bag is ensured.

In a specific embodiment, a pressing switch 13 electrically connected with the fan is arranged on the inner wall of the top of the ventilation window 1;

the people of fleing can manually rise the shutoff board 3 and cause the extrusion to the push switch 13, and the push switch 13 is used for controlling the work of fan, and this circuit is not correlated with indoor circuit, is the independent circuit of independent control corridor fan, is difficult to receive the influence of conflagration.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides an automatic fume extractor, its characterized in that, includes ventilation window (1), install baffle (2) in ventilation window (1), baffle (2) can be with two passageways that are arranged about being separated into in ventilation window (1), slidable mounting has shutoff board (3) that can shutoff one of them passageway open-ended on ventilation window (1), install on ventilation window (1) and drive the gliding drive structure of shutoff board (3) on ventilation window (1), the below install the fan in the passageway.

2. An automatic smoke evacuation device according to claim 1, wherein said driving structure comprises a threaded rod (4), a motor (5) and a dismounting assembly; the utility model discloses a ventilation window, including ventilation window (1), shutoff board (3), threaded rod (4), motor (5), threaded rod (4) and motor (5), the both sides inner wall of ventilation window (1) has seted up with shutoff board (3) side sliding fit lift spout, threaded rod (4) rotate and install in the lift spout, motor (5) are installed on ventilation window (1), the one end of threaded rod (4) is connected with the output shaft axial of motor (5), the both sides slip cap of shutoff board (3) is established on two threaded rods (4) respectively.

3. An automatic smoke evacuation device according to claim 2, wherein said assembly and disassembly comprises a sleeve block (6) and a tightening rod (7); the utility model discloses a sealing device for the sealing device of the automobile, including shutoff board (3) and sleeve piece (6), sleeve piece (6) sliding mounting is provided with the movable hole that runs through from top to bottom, sleeve piece (6) slidable mounting is downthehole at the activity, sleeve piece (6) thread bush is on threaded rod (4), the sliding hole with support tight pole (7) sliding fit is offered to the inner wall in movable hole, support tight pole (7) one end slip and run through sleeve piece (6) and support the periphery that leans on threaded rod (4), the front side outer wall of shutoff board (3) offered with the sliding hole intercommunication and with support tight pole (7) section sliding fit's sliding groove of bending.

4. An automatic smoke exhaust device according to claim 3, wherein the abutting rod (7) is circumferentially connected with a boss, a limit chute which is in sliding fit with the boss is formed in the inner wall of the sliding hole, a spring (8) sleeved on the abutting rod (7) is arranged in the limit chute, and two ends of the spring (8) respectively abut against the inner wall of the end part of the limit chute and the boss.

5. The automatic smoke exhaust device according to claim 1, wherein the channel below the ventilation window (1) is further provided with an isolation net (9) and a protection plate (10), the isolation net (9) is arranged in parallel with the plugging plate (3), the protection plate (10) is perpendicular to the isolation net (9), the back of the plugging plate (3) is connected with an L-shaped plate (11), the L-shaped plate (11) movably penetrates through the partition plate (2) and is inserted into a gap between the protection plate (10) and the inner wall of the ventilation window (1), the gap between the protection plate (10) and the ventilation window (1) is the same as the width of the L-shaped plate (11), and the protection plate (10), the L-shaped plate (11), the ventilation window (1) and the plugging plate (3) can form a storage space, and a plurality of water bags (12) are placed in the storage space.

6. An automatic smoke evacuation device according to claim 1, wherein the top inner wall of the ventilation window (1) is provided with a push switch (13) electrically connected with the fan.