CN220415195U - Smoke discharging structure of fireproof door - Google Patents

Abstract

The utility model discloses a fireproof door smoke discharging structure which comprises a ventilation box, a filter cylinder and a first connecting pipe, wherein an exhaust fan is arranged in the ventilation box through a mounting frame, an air outlet cover is fixed on one side of the ventilation box through a bolt, one end of the air outlet cover is connected with the first connecting pipe through a thread groove, the top end of the first connecting pipe is connected with a first valve through a pipeline, the top end of the first valve is connected with a hose through a thread groove, one end of the first connecting pipe is connected with the filter cylinder through a thread groove, a first filter block is fixed inside the filter cylinder through a bolt, and a second filter block is fixed on one side of the first filter block through a bolt. According to the utility model, through the arrangement of the filter cartridge, the second connecting pipe and the second valve, the purpose of exhausting and ventilating the room is achieved, the exhausted gas can be filtered, and the indoor smoke can be exhausted into the smoke exhaust pipeline through the first valve and the hose, so that the purpose of exhausting the smoke in the room is achieved.

Description

Smoke discharging structure of fireproof door

Technical Field

The utility model relates to the technical field of fireproof facilities, in particular to a smoke discharging structure of a fireproof door.

Background

The fireproof door is the most widely used fireproof facility, and can meet the requirements of fire resistance stability, integrity and heat insulation in a certain time, and is a fireproof partition with certain fire resistance, which is arranged among fireproof partitions, evacuation stairwells, vertical shafts and the like.

The utility model discloses a fire door of built-in smoke exhaust structure is disclosed in the authority bulletin number CN215889835U, including the door body through the door frame install in the passageway region, the inside groove has been seted up to the bottom of the door body, and the inner of inside groove is provided with telescopic protection piece to the end of protection piece is provided with the reset spring who plays the reset effect, the wind channel has been seted up on the top of the door body, and the inner in wind channel is provided with micro-blower, installation piece fixed mounting in the inner of inside groove, the connecting block is installed in the side rotation of installation piece, and the inboard of connecting block has the movable block through the hub connection, and the axle head of movable block is provided with the torsion spring who plays the reset effect, and this fire door of built-in smoke exhaust structure is provided with movable block and roof, drives gear and rack through the rotation of movable block and carries out meshing transmission, and the push rod rises to make it open, and the fan absorbs the dense smoke and discharges along wind channel and roof clearance, thereby makes fire door possess smoke exhaust function, avoids dense smoke personal safety.

The existing fireproof door with the built-in smoke discharging structure has the following defects: the gear and the rack are driven by the movable block to carry out meshing transmission, the push rod ascends to lift the top plate to open the top plate, the fan sucks dense smoke and discharges the dense smoke along the gap between the air duct and the top plate, and the dense smoke cannot filter gas during ventilation. Therefore, we propose a smoke exhausting structure of fireproof door.

Disclosure of Invention

The utility model mainly aims to provide a smoke discharging structure of a fireproof door, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a prevent fire door smoke exhaust structure, includes ventilation box, cartridge filter and first connecting pipe, ventilation box installs the air extraction fan through the mounting bracket inside, ventilation box one side is through the bolt fastening to have the cover that gives vent to anger, cover one end is connected with first connecting pipe through the thread groove, first connecting pipe top is connected with first valve through the pipe connection, first valve top is connected with the hose through the thread groove, first connecting pipe one end is connected with the cartridge filter through the thread groove, the cartridge filter is inside to have first filter block through the bolt fastening, first filter block one side is through the bolt fastening to have the second filter block.

Further, one end of the filter cartridge is connected with a second connecting pipe through a thread groove, and one end of the second connecting pipe is connected with a second valve through a thread groove.

Further, the first filter block is made of glass fiber filter cotton material, and the second filter block is made of activated carbon material.

Further, a filter screen is fixed inside the ventilation box through bolts, and bolt holes are formed in the outer side of the ventilation box in an equidistant penetrating manner; the ventilation box can be fixed through the bolt holes by using bolts.

Further, a flange is welded at the top end of the hose.

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

after the first valve is closed and the second valve is opened, the exhaust fan pumps indoor gas into the ventilation box, the indoor gas flows out through the second connecting pipe and the second valve after being filtered by the first filter block and the second filter block in the filter cylinder, the purpose of exhausting and ventilating the indoor gas is achieved, the second valve is closed and the first valve is opened, the exhaust fan pumps the indoor gas into the ventilation box, and the indoor gas flows into the smoke exhaust pipeline through the gas outlet cover and the hose, so that the purpose of exhausting the indoor gas is achieved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a smoke exhaust structure of a fireproof door according to the present utility model.

Fig. 2 is a schematic diagram of the internal structure of a ventilation box of the smoke exhaust structure of the fireproof door.

Fig. 3 is a schematic diagram of the internal structure of a filter cartridge of the smoke exhaust structure of the fireproof door of the present utility model.

In the figure: 1. a ventilation box; 2. a filter cartridge; 3. a first connection pipe; 4. a first valve; 5. a hose; 6. an air outlet cover; 7. a second connection pipe; 8. a second valve; 9. a flange; 10. an exhaust fan; 11. a filter screen; 12. bolt holes; 13. a first filter block; 14. and a second filter block.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a fire door smoke exhaust structure comprises a ventilation box 1, a filter cartridge 2 and a first connecting pipe 3, wherein an exhaust fan 10 is installed in the ventilation box 1 through a mounting frame, an air outlet cover 6 is fixed on one side of the ventilation box 1 through bolts, one end of the air outlet cover 6 is connected with the first connecting pipe 3 through a thread groove, the top end of the first connecting pipe 3 is connected with a first valve 4 through a pipeline, the top end of the first valve 4 is connected with a hose 5 through a thread groove, one end of the first connecting pipe 3 is connected with the filter cartridge 2 through a thread groove, a first filter block 13 is fixed inside the filter cartridge 2 through bolts, and a second filter block 14 is fixed on one side of the first filter block 13 through bolts.

As shown in fig. 1, one end of the filter cartridge 2 is connected with a second connecting pipe 7 through a thread groove, one end of the second connecting pipe 7 is connected with a second valve 8 through a thread groove, and the filtered gas in the filter cartridge 2 can be discharged through the second connecting pipe 7 and the second valve 8.

As shown in fig. 3, the first filter block 13 is made of a glass fiber filter cotton material, the second filter block 14 is made of an activated carbon material, and the first filter block 13 made of the glass fiber filter cotton material and the second filter block 14 made of the activated carbon material can effectively filter gas.

As shown in fig. 2, the filter screen 11 is fixed inside the ventilation box 1 by bolts, the bolt holes 12 are formed in the ventilation box 1 in an equidistant manner, and dust, impurities and the like can be prevented from entering the ventilation box 1 by the filter screen 11.

As shown in fig. 1, a flange 9 is welded to the top end of the hose 5, and the top end of the hose 5 can be fixed on the smoke exhaust pipe through the flange 9 by using bolts.

When the smoke exhausting structure of the fireproof door is used, a person embeds the ventilation box 1 in the fireproof door, the ventilation box 1 is fixed through the bolt holes 12 by using the bolts, the device is connected with an external power supply by using the power line, the top end of the hose 5 is fixed on a smoke exhausting pipeline by using the bolts through the flange 9, when the smoke exhausting structure is needed to pass through, the first valve 4 is closed, the second valve 8 is opened, the exhaust fan 10 is opened to exhaust indoor gas into the ventilation box 1, the gas entering the ventilation box 1 enters the filter cartridge 2 through the air outlet cover 6 and the first connecting pipe 3, the filtered gas flows out through the second connecting pipe 7 and the second valve 8 after being filtered by the first filter block 13 and the second filter block 14 in the filter cartridge 2, the aim of exhausting and ventilating the indoor is achieved, when the smoke exhausting is needed, the second valve 8 is closed, the first valve 4 is opened, the exhaust fan 10 works to exhaust indoor smoke into the box 1, the smoke entering the ventilation box 1 flows into the first connecting pipe 3 through the air outlet cover 6, and then flows into the smoke exhausting pipeline through the first valve 4 and the hose 5, and the filter screen 11 can be prevented from entering the ventilation box 1.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a prevent fire door smoke evacuation structure, includes ventilation box (1), cartridge filter (2) and first connecting pipe (3), its characterized in that: ventilation box (1) is inside installs exhaust fan (10) through the mounting bracket, ventilation box (1) one side is through bolt fastening has out hood (6), it has first connecting pipe (3) to go out hood (6) one end through the thread groove connection, first connecting pipe (3) top is through pipe connection first valve (4), first valve (4) top is through thread groove connection having hose (5), first connecting pipe (3) one end is through thread groove connection having cartridge filter (2), cartridge filter (2) is inside to have first filter block (13) through bolt fastening, first filter block (13) one side is through bolt fastening second filter block (14).

2. A fire door smoke evacuation structure as defined in claim 1, wherein: one end of the filter cartridge (2) is connected with a second connecting pipe (7) through a thread groove, and one end of the second connecting pipe (7) is connected with a second valve (8) through a thread groove.

3. A fire door smoke evacuation structure as defined in claim 1, wherein: the first filter block (13) is made of glass fiber filter cotton material, and the second filter block (14) is made of active carbon material.

4. A fire door smoke evacuation structure as defined in claim 1, wherein: the filter screen (11) is fixed inside the ventilation box (1) through bolts, and bolt holes (12) are formed in the outer side of the ventilation box (1) in an equidistant penetrating mode.

5. A fire door smoke evacuation structure as defined in claim 1, wherein: a flange (9) is welded at the top end of the hose (5).