CN218716341U - Prevent fire door with prevent smoke diffusion structure - Google Patents

Abstract

The utility model relates to a prevent fire door technical field, and disclose a prevent fire door with smoke and fog diffusion configuration, including the door frame subassembly, the outside fixed mounting of door frame subassembly is in the door opening of wall body, the door frame subassembly includes left door frame, right door frame and last door frame, and the inboard bolted connection of left door frame has the hinge, the hinge is provided with same five altogether, and five hinges are equidistant distribution in the inboard of left door frame, hinge other end bolted connection has left door leaf, the inboard bolted connection of right side door frame has the hinge. This prevent fire door is provided with the structure of lug and recess, has effectively blockked the smog that gets into the crack, and the door frame and the expandable graphite sealing strip that door leaf clearance department set up have further played the effect of separation smog, and water injection system spun high pressure water smoke can be for preventing that fire door cools down, prevents that fire door from taking place deformation, hinders personnel to evacuate smoothly, and high pressure water smoke has certain ability of putting out local condition of a fire.

Description

Prevent fire door with prevent smoke diffusion structure

Technical Field

The utility model relates to a prevent fire door technical field, specifically be a prevent fire door with prevent smog diffusion structure.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people. But the clearance between present majority prevent fire door frame and the door leaf all can not get proper solution, and smoke protection fire behavior is limited, and does not solve the gap between door leaf bottom and the ground, and does not possess the ability of initiatively giving the fire door cooling and putting out local condition of a fire.

According to a comparison document (the patent name is a glass fireproof door, the granted number is CN204492588U, and the application number is CN 201420850774.9), although the fireproof door has a fireproof expansion sealing element, the sealing performance is still required to be improved, the problem that a gap exists between the bottom of a door leaf and the ground is not solved, and the capacity of actively cooling and extinguishing local fire of the fireproof door is not provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a prevent fire door with smoke diffusion barrier constructs to prevent fire door that proposes in solving above-mentioned background possesses fire prevention expanded seal spare, but sealing performance still remains to be promoted, and does not solve the problem that has the gap between door leaf bottom and the ground, does not possess the problem of initiative for preventing the ability of fire door cooling and putting out local condition of a fire, convenient to use yet.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a fireproof door with a smoke diffusion preventing structure comprises a door frame assembly, wherein the outer side of the door frame assembly is fixedly installed in a door hole of a wall body, the door frame assembly comprises a left door frame, a right door frame and an upper door frame, hinges are bolted on the inner side of the left door frame and are provided with five same hinges, the five hinges are distributed on the inner side of the left door frame at equal intervals, the other ends of the hinges are bolted with a left door leaf, hinges are bolted on the inner side of the right door frame and are provided with five same hinges, the five hinges are distributed on the inner side of the right door frame at equal intervals, the other ends of the hinges are bolted with a right door leaf, door handles are arranged on the left door leaf and the right door leaf, anti-explosion glass door leaves are arranged at the middle positions of the left door leaf and the right door leaf, the upper ends of the left door leaf and the right door leaf are all bolted with a restorer, the other ends of the restorer are bolted on the surface of the upper door frame, the inner sides of the left door frame, the right door frame and the upper end of the door frame are all welded with a convex block, the left door leaf and the right door leaf are provided with seven water injection nozzles, water injection nozzles are arranged on the surfaces of the water injection holes, and water injection nozzles are arranged on the water injection holes, water injection pipes are arranged on the water injection pipes, and water injection pipes arranged on the left door frame, and water injection pipes, water injection pipes are arranged on the water injection pipes, and water injection pipes, water injection pipes arranged on the water injection pipes, and are arranged on the water injection pipes, water injection pipes arranged on the water injection pipes, and are arranged on the water injection pipes, when a fire occurs, the high-pressure water mist sprayed out of the spray head can cool the fireproof door, and can extinguish local fire to a certain extent so as to ensure the safe evacuation of personnel;

the clearance department of left side door leaf, right door leaf and door frame subassembly all is provided with expandable graphite sealing strip, the centre of right door leaf is close to export one side welded connection and has kept off the strip of linking, the clearance department that keeps off strip and left door leaf is provided with expandable graphite sealing strip, and expandable graphite sealing strip can expand voluntarily when meetting high temperature, and possesses fire-retardant thermal-insulated function.

Preferably, the lug is the square ring structure of "T" style of calligraphy, the equal welded connection of upper end, left end and the right-hand member of lug is in the inboard of door frame subassembly, the bottom of the lower extreme of lug is connected in ground, and welded connection has guaranteed overall structure's stability, and the lower extreme of lug is connected in ground, has solved the problem in ground gap.

Preferably, the grooves on the surfaces of the left door leaf and the right door leaf are T-shaped, the grooves on the surface of the left door leaf are C-shaped, the grooves on the surface of the right door leaf are C-shaped, and the grooves and the bumps are embedded to effectively prevent smoke from entering the other side of the fireproof door through the gaps.

Preferably, the door handles are provided with four same door handles, the four door handles are respectively positioned on one side, close to the inlet, of the left door leaf and one side, close to the outlet, of the right door leaf, the left door leaf and the right door leaf are guaranteed to be opened due to the arrangement of the four door handles, accordingly, the diffusion efficiency of personnel is increased, and the door leaves can automatically restore to a closed state after the personnel enter and exit through cooperation of the restorer.

Preferably, the infrared sensing device is electrically connected with the water inlet electromagnetic valve, and the infrared sensing device can automatically control the opening and closing of the water inlet electromagnetic valve according to the environment abnormity.

Preferably, the surface materials of the door frame assembly, the left door leaf and the right door leaf are galvanized steel plates with the thickness of 2.5mm, the interior materials of the door frame assembly, the left door leaf and the right door leaf are inorganic glass magnesium fireproof plates, the galvanized steel plates with the thickness of 2.5mm enable the fireproof door to have certain high-temperature resistance and deformation resistance, and the inorganic glass magnesium fireproof plates have the effects of heat insulation and flame retardance.

Compared with the prior art, the utility model provides a prevent fire door with smoke diffusion barrier structure possesses following beneficial effect:

1. the fireproof door effectively blocks smoke entering a door gap and also effectively blocks smoke entering a ground gap through a structure that a convex block welded inside a door frame is embedded into a groove on a door leaf;

2. the expandable graphite sealing strips are arranged at the gaps between the door frame and the door leaves, the gaps between the hinges and the gaps between the left door leaf and the right door leaf of the fireproof door, so that the fireproof door further has the function of blocking smoke, and meanwhile, the expandable graphite sealing strips also have excellent fireproof performance of flame retardance and high temperature resistance;

3. the water spraying system of the fireproof door arranged in the upper door frame can be triggered to be opened at first time through the infrared sensing device, and high-pressure water mist sprayed out of the spray head can cool the fireproof door, so that the fireproof door is prevented from being deformed and hindering smooth evacuation of people under the condition of being roasted at high temperature for a long time;

4. the high-pressure water mist sprayed out of the fireproof door sprayer has certain capacity of extinguishing local fire.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 of the present invention;

fig. 3 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

FIG. 4 is a schematic view of a three-dimensional structure of the entrance side of the fire door of the present invention;

FIG. 5 is a schematic view of a three-dimensional structure of the exit side of the fireproof door of the present invention;

FIG. 6 is a schematic view of the internal structure of the sprinkler system of the present invention;

wherein: 1. a door frame assembly; 101. a left doorframe; 102. a right door frame; 103. an upper door frame; 2. a hinge; 3. a left door leaf; 4. a right door leaf; 5. a door handle; 6. an explosion-proof glass window; 7. a repositor; 8. a bump; 9. a groove; 10. a water spray hole; 11. a spray head; 12. a water outlet pipe; 13. a booster water pump; 14. a water inlet electromagnetic valve; 15. a water inlet pipe; 16. an infrared sensing device; 17. an expandable graphite seal strip; 18. and (6) seam blocking strips.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a fireproof door with a smoke diffusion prevention structure comprises a door frame assembly 1, wherein the outer side of the door frame assembly 1 is fixedly installed in a door opening of a wall body, the door frame assembly 1 comprises a left door frame 101, a right door frame 102 and an upper door frame 103, hinges 2 are bolted on the inner side of the left door frame 101, the hinges 2 are provided with five same hinges, the five hinges 2 are distributed on the inner side of the left door frame 101 at equal intervals, a left door leaf 3 is bolted on the other end of each hinge 2, hinges 2 are bolted on the inner side of the right door frame 102 and are provided with five same hinges 2, the five hinges 2 are distributed on the inner side of the right door frame 102 at equal intervals, the other end of each hinge 2 is bolted with a right door leaf 4, door handles 5 are arranged on the left door leaf 3 and the right door leaf 4, explosion-proof glass windows 6 are arranged in the middle positions of the left door leaf 3 and the right door leaf 4, and repositioners 7 are bolted on the upper ends of the left door leaf 3 and the right door leaf 4, the other end of the restorer 7 is connected with the surface of an upper door frame 103 through a bolt, the inner sides of a left door frame 101, a right door frame 102 and the upper door frame 103 are all welded and connected with a convex block 8, the surfaces of one sides, close to inlets, of a left door leaf 3 and a right door leaf 4 are provided with grooves 9, the surface of the lower end of the upper door frame 103 is provided with water spraying holes 10, seven same water spraying holes 10 are arranged on the surfaces of the lower ends of the upper door frame 103, seven water spraying holes 10 are distributed on the surfaces of the lower ends of the upper door frame 103 at equal intervals, spray heads 11 are arranged above the water spraying holes 10, seven same spray heads 11 are arranged on the spray heads 11, the seven spray heads 11 are all positioned at the centers of the water spraying holes 10, the upper end of each spray head 11 is fixedly connected with a water outlet pipe 12, the other end of the water outlet pipe 12 is fixedly provided with a booster water pump 13, the other end of the booster water pump 13 is fixedly connected with a water inlet electromagnetic valve 14, and the other end of the water inlet electromagnetic valve 14 is fixedly provided with a water inlet pipe 15, an infrared sensing device 16 is fixedly installed above the door frame assembly 1, when a fire occurs, when the infrared sensing device 16 detects that the environmental temperature and the smoke concentration are too high, an opening signal is sent to a water inlet electromagnetic valve 14, the water inlet electromagnetic valve 14 opens a valve after receiving the opening signal, water in a water inlet pipe 15 passes through a pressurizing water pump 13 and a nozzle 11 and then becomes high-pressure water mist, the high-pressure water mist is sprayed out from a water spraying hole 10, the sprayed high-pressure water mist can cool a fireproof door, the deformation of a door leaf of the fireproof door due to long-term high-temperature roasting is prevented, the normal opening of the fireproof door is prevented from being influenced, the high-pressure water mist can extinguish local fire to a certain extent, and the safe evacuation of personnel is guaranteed;

left side door leaf 3, the clearance department of right side door leaf 4 and door frame subassembly 1 all is provided with expandable graphite sealing strip 17, the centre of right side door leaf 4 is close to export one side welded connection and keeps off seam strip 18, the clearance department that keeps off seam strip 18 and left side door leaf 3 is provided with expandable graphite sealing strip 17, lug 8 is the square ring structure of "T" style of calligraphy, lug 8's upper end, the equal welded connection of left end and right-hand member is in door frame subassembly 1's inboard, the bottom of lug 8's lower extreme is connected in ground, the recess 9 on left side door leaf 3 and right side door leaf 4 surface all is "T" style of calligraphy, the trend of the recess 9 on left side door leaf 3 surface is "C" type, the trend of the recess 9 on right side door leaf 4 surface is "C" type ", the embedded structure of recess 9 and lug 8, effectively prevented smog and got into the other side of fire door through the clearance, expandable graphite sealing strip 17 that clearance department set up in the cooperation, the smoke protection performance of this fire door has further been promoted.

Door handle 5 is provided with the same four altogether, and four door handles 5 are located being close to entry one side and being close to export one side of left door leaf 3 and right door leaf 4 respectively, be electric connection between infrared induction device 16 and the solenoid valve 14 of intaking, door frame subassembly 1, the surface material of left door leaf 3 and right door leaf 4 is 2.5mm thick galvanized steel sheet, door frame subassembly 1, the inside material of left door leaf 3 and right door leaf 4 is inorganic glass magnesium PLASTIC LAMINATED, the setting up of four door handles 5 has guaranteed that left door leaf 3 and right door leaf 4 all can be opened, thereby the efficiency of personnel's diffusion has been increased, restorer 7 is gone up in the cooperation, guaranteed personnel's business turn over back, left door leaf 3 and right door leaf 4 can resume closed state by oneself, effectively prevented that the personnel of fleing from forgetting to close the door and lead to smog and the condition that the intensity of a fire spreads in to the escape route takes place, 2.5mm thick galvanized steel sheet makes fire door leaf possess certain high temperature resistant anti-deformation ability of preventing fires, left door leaf 3 and right door leaf 4 when facing the conflagration, can not take place in a certain time, the time, then inorganic glass magnesium PLASTIC LAMINATED effect plays.

The working principle is as follows: firstly, the outer side of the door frame assembly 1 is fixedly arranged in a door opening of a wall body, a left door frame 101 and a right door frame 102 are respectively and fixedly connected with a left door leaf 3 and a right door leaf 4 through five hinges 2, the upper ends of the left door leaf 3 and the right door leaf 4 are fixedly connected with a restorer 7, the other end of the restorer 7 is fixedly arranged on the surface of an upper door frame 103, after an escape person observes the condition of the other side of the fireproof door through an explosion-proof glass window 6, the escape person pulls a door handle 5 to open the left door leaf 3 and the right door leaf 4, the person can automatically close the left door leaf 3 and the right door leaf 4 through the restorer 7 smoothly, a convex block 8 is welded on the inner side of the door frame assembly 1, the convex block 8 can be embedded into grooves 9 formed in the left door leaf 3 and the right door leaf 4 when the left door leaf 3 and the right door leaf 4 are closed, and meanwhile, a gap between the left door leaf 3 and the right door leaf 4 is effectively covered by a seam blocking strip 18, the expandable graphite sealing strip 17 that cooperation door frame and door leaf clearance department set up, effectively prevented that smog from entering into the opposite side of preventing fire door, it is too high to go up the infrared induction device 16 of door frame 103 top simultaneously and detect ambient temperature and smog concentration, just can send opening signal to water inlet solenoid valve 14, the valve just can be opened after water inlet solenoid valve 14 receives opening signal, water in the inlet tube 15 passes through behind shower nozzle 11 through booster pump 13 again, become high-pressure water smoke, spout in the hole for water spraying 10, the cooling can be given to preventing fire door to the spun high-pressure water smoke, prevent to prevent that fire door leaf from taking place deformation because roast for a long time high temperature, influence the normal open of preventing fire door, local condition of a fire can also be put out to a certain extent to high-pressure water smoke, guarantee personnel's safe evacuation.

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 (6)

1. The fireproof door with the smoke diffusion prevention structure comprises a door frame assembly (1) and is characterized in that the outer side of the door frame assembly (1) is fixedly installed in a door opening of a wall body, the door frame assembly (1) comprises a left door frame (101), a right door frame (102) and an upper door frame (103), hinges (2) are connected to the inner side of the left door frame (101) through bolts, the same five hinges (2) are arranged, the five hinges (2) are distributed on the inner side of the left door frame (101) at equal intervals, the other end of each hinge (2) is connected with a left door leaf (3) through a bolt, the inner side of the right door frame (102) is connected with the hinges (2) through the bolts, the same five hinges (2) are arranged on the inner side of the right door frame (102) at equal intervals, the other end of each hinge (2) is connected with a right door leaf (4) through a bolt, door handles (5) are arranged on the left door leaf (3) and the right door leaf (4), explosion-proof glass (6) is arranged in the middle positions of the left door leaf (3) and the right door leaf (4), the upper end of the door leaf (7) is connected with a reset bolt, and the reset bolt (7) of the upper end of the door frame (101), and the reset bolt (7) is connected with a reset bolt connector (7) of the other door leaf (7), and the door frame (7) of the door leaf (7), and the door leaf (7) and the door frame (7) and the door leaf connector, the inner sides of a right door frame (102) and an upper door frame (103) are respectively welded and connected with a convex block (8), one side surfaces, close to inlets, of a left door leaf (3) and a right door leaf (4) are provided with grooves (9), the surface of the lower end of the upper door frame (103) is provided with water spraying holes (10), the same seven water spraying holes (10) are formed, the seven water spraying holes (10) are distributed on the surface of the lower end of the upper door frame (103) at equal intervals, spray heads (11) are arranged above the water spraying holes (10), the same seven spray heads (11) are arranged at the same positions, the seven spray heads (11) are all located in the center positions of the water spraying holes (10), the upper end of each spray head (11) is fixedly connected with a water outlet pipe (12), the other end of each water outlet pipe (12) is fixedly connected with a booster water pump (13), the other end of each booster water pump (13) is fixedly connected with a water inlet electromagnetic valve (14), the other end of each water inlet electromagnetic valve (14) is fixedly connected with a water inlet pipe (15), and an infrared induction device (16) is fixedly installed above the door frame assembly (1);

the door is characterized in that expandable graphite sealing strips (17) are arranged at the positions of gaps among the left door leaf (3), the right door leaf (4) and the door frame assembly (1), a blocking seam strip (18) is welded at one side, close to an outlet, of the middle of the right door leaf (4), and the expandable graphite sealing strips (17) are arranged at the positions of gaps among the blocking seam strip (18) and the left door leaf (3).

2. The fire door having a smoke diffusion preventing structure according to claim 1, wherein: the projection (8) is of a T-shaped square ring structure, the upper end, the left end and the right end of the projection (8) are all welded on the inner side of the door frame assembly (1), and the bottom of the lower end of the projection (8) is connected to the ground.

3. The fire door having a smoke diffusion preventing structure according to claim 2, wherein: grooves (9) on the surfaces of the left door leaf (3) and the right door leaf (4) are T-shaped, the trend of the groove (9) on the surface of the left door leaf (3) is C-shaped, and the trend of the groove (9) on the surface of the right door leaf (4) is inverted C-shaped.

4. The fire door having a smoke diffusion preventing structure according to claim 3, wherein: the door handles (5) are provided with four same door handles, and the four door handles (5) are respectively positioned on the side, close to the inlet, of the left door leaf (3) and the side, close to the outlet, of the right door leaf (4).

5. The fire door having a structure for preventing diffusion of smoke according to claim 4, wherein: the infrared sensing device (16) is electrically connected with the water inlet electromagnetic valve (14).

6. The fire door having a structure for preventing diffusion of smoke according to claim 5, wherein: the surface materials of the door frame assembly (1), the left door leaf (3) and the right door leaf (4) are galvanized steel plates with the thickness of 2.5mm, and the interior materials of the door frame assembly (1), the left door leaf (3) and the right door leaf (4) are inorganic glass magnesium fireproof plates.

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