CN215292232U

CN215292232U - Fire-proof door

Info

Publication number: CN215292232U
Application number: CN202121863997.5U
Authority: CN
Inventors: 张文选; 张海亭
Original assignee: Shuofeng Shengshi Construction Engineering Tianjin Co ltd
Current assignee: Shuofeng Shengshi Construction Engineering Tianjin Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-12-24
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a fireproof door, which relates to the technical field of fire-fighting facilities and comprises a door frame, wherein two door plates are hinged on the door frame, handles are fixed on the door plates, a door closer and a sequential door closer are also installed on the door frame, a first air channel is arranged in the door frame, a plurality of air inlet holes are arranged on one side of the door frame, which is abutted against the door plates, and the air inlet holes are communicated with the first air channel; a second air duct is formed in the door plate, a plurality of air outlet holes are formed in one side of the door plate, which is abutted to the door frame, and the air outlet holes are communicated with the second air duct; the fireproof door further comprises a circulating center, and the circulating center is communicated with the first air channel and the second air channel. The utility model provides a can initiatively cool down and separate effectual a fire door of cigarette.

Description

Fire-proof door

Technical Field

The utility model relates to a fire control facility technical field especially relates to a prevent fire door.

Background

The total number of the smoke-smoked dead in the fire is 4-5 times of that of the dead, because the dense smoke can generate a large amount of harmful substances, such as carbon monoxide, hydrogen cyanide, sulfur dioxide, nitrogen dioxide and the like, and the toxic property of the smoke in the fire causes a large amount of casualties.

In order to prevent the fire from spreading and the smoke from spreading to the fire-proof subareas, evacuation staircases and other places to affect the normal evacuation of people, fire-proof doors are often installed in the above places in buildings. When a fire disaster happens, the fireproof door is very easy to deform in a high-temperature environment, and smoke is easy to diffuse from a door gap of the fireproof door.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent fire door utilizes the air current of circulation flow between door plant and the door frame to come to seal the gap between door plant and the door frame, makes the flue gas can flow away along with the air current and can not reveal, effectively improves this prevent fire door separate the cigarette effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a fireproof door comprises a door frame, wherein two door plates are hinged to the door frame, a handle is fixed on each door plate, a first air channel is formed in the door frame, a plurality of air inlet holes are formed in one side, abutted against the door plates, of the door frame, and the air inlet holes are communicated with the first air channel; a second air duct is formed in the door plate, a plurality of air outlet holes are formed in one side of the door plate, which is abutted to the door frame, and the air outlet holes are communicated with the second air duct; the fireproof door further comprises a circulating center, and the circulating center is communicated with the first air channel and the second air channel.

Through adopting above-mentioned technical scheme, the circulation center orders about the air current in the second wind channel and flows out from the air outlet to in flowing into first wind channel through the fresh air inlet, get up with this circulation, after spreading to the gap place between door plant and the door frame along it, because there is the air current flow between air outlet and the fresh air inlet, form the low pressure region, the flue gas will be sucked in first wind channel and can't exceed the gap between door plant and the door frame, effectively guarantee this fire door's smoke insulation performance, guarantee the security in places such as evacuation stairwell. And first wind channel and second wind channel can be door frame and door plant cooling respectively, improve this fire door's thermal-insulated and fire resistance.

The utility model discloses further set up to: the door frame is provided with a groove, the groove is located at the air inlet, a convex strip matched with the groove in an embedded mode is formed on the door plate, the convex strip is not in contact with the bottom of the groove after being embedded into the groove, the convex strip is located at the air outlet, and the air outlet penetrates through the convex strip.

Through adopting above-mentioned technical scheme, the door plant closes the back sand grip and will imbed in the recess to improve the route that the flue gas was spread, further strengthen and separate the cigarette performance, and the recess can retrain the air current between exhaust vent and the fresh air inlet and flow, make the air current flow gather together more, the reinforcing separates the cigarette performance.

The utility model discloses further set up to: the air outlet hole and the air inlet hole are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, can form complete air current passageway in the recess, further improve and separate the cigarette effect.

The utility model discloses further set up to: the handle is of a hollow structure and is communicated with the second air duct.

Through adopting above-mentioned technical scheme, the handle will be flowed through to the air current in the second wind channel, for the handle cooling, prevents that the high temperature of handle from influencing this fire door's switching.

The utility model discloses further set up to: the circulating center comprises a circulating fan and a filter box, a filter screen is arranged in the filter box, and the circulating fan and the filter screen, the circulating fan and the first air channel and the filter box and the second air channel are communicated through air pipes.

Through adopting above-mentioned technical scheme, circulating fan can provide power for the circulation of air current, and when the air current that has the flue gas flowed through the rose box, the filter screen will filter the small smoke and dust granule in the flue gas to reduce the flue gas content in the air current that flows, greatly improve this fire door separate the cigarette effect.

The utility model discloses further set up to: the filter screen is made for absorbent material, the bottom of rose box is provided with the aqua storage tank, the bottom of filter screen stretches into in the aqua storage tank.

By adopting the technical scheme, enough clear water needs to be reserved in the water storage tank, and the filter screen absorbs water through the capillary action, so that the humidity of the filter screen is kept, and the filtering effect of the filter screen on the smoke in the air flow is effectively enhanced. And the filter screen can cool down the air current this moment, strengthens the humidity of air current, improves this fire door's thermal-insulated effect.

The utility model discloses further set up to: be provided with the cooling tube in the rose box, the one end of cooling tube is fixed in on the lateral wall of rose box and communicates with the entry of rose box, the other end of cooling tube stretches into in the aqua storage tank and is fixed with the foaming otter board.

Through adopting above-mentioned technical scheme, in the restricted cooling pipe that enters into of air current that has mixed hot flue gas, the air current will be cut apart into fine and close bubble through the foaming otter board to carry out abundant contact heat transfer with the clear water in the aqua storage tank, treat that the air current floats after being cooled down, this kind of mode can carry out effectual cooling to the air current, and utilize the clear water to absorb soluble gas in the air current, effectively improve this fire prevention effect who prevents fire door.

The utility model discloses further set up to: still be provided with the atomizer in the rose box, atomizer and aqua storage tank intercommunication, the jet direction of atomizer is towards the export of rose box.

Through adopting above-mentioned technical scheme, come out the messenger from the rose box at the air current through filtering, the clear water atomization in the aqua storage tank will be made to the atomizer, and during water smoke will follow the air current and enter into first wind channel and second wind channel, the cooling effect to door plant and door frame is reinforceed, effectively strengthens this fire prevention ability who prevents fire door.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the utility model utilizes the airflow between the air outlet and the air inlet to seal the gap between the door plate and the door frame, so that the smoke can not cross the fireproof door, and the smoke isolation performance of the fireproof door is effectively ensured;

(2) the utility model utilizes the wet filter screen to filter the air flow so as to reduce the content of the smoke in the air flow and ensure the safety of evacuation staircases and other places;

(3) the utility model discloses in utilize the cooling tube to let in the clear water with the air current to cool down the air current, and utilize the atomizer to generate water smoke, cool down door plant and door frame, effectively improve this fire behavior who prevents fire door.

Drawings

Fig. 1 is an axial view of the overall structure of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention, which mainly shows the internal structure of the door panel and the door frame;

fig. 3 is a schematic view of a door panel according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a filter box according to an embodiment of the present invention.

Reference numerals: 1. a door frame; 2. a door panel; 3. a first air duct; 4. a groove; 5. an air inlet hole; 6. a second air duct; 7. a convex strip; 8. an air outlet; 9. a handle; 10. a circulating fan; 11. a filter box; 12. an air duct; 13. a water storage tank; 14. a filter screen; 15. a cooling pipe; 16. a foaming screen plate; 17. an atomizer.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to the attached figure 1, the fireproof door comprises a door frame 1, wherein two door plates 2 are hinged to the door frame 1. Combine the attached figure 2, seted up first wind channel 3 in the door frame 1, first wind channel 3 is around door frame 1 a week, and recess 4 has been seted up to one side of door frame 1 and 2 butts of door plant, and recess 4's cross sectional shape is trapezoidal, and recess 4 also winds door frame 1 a week, and a plurality of fresh air inlets 5 along the recess 4 equipartition are still seted up to recess 4's bottom, and fresh air inlet 5 and first wind channel 3 intercommunication.

Set up second wind channel 6 in the

door plant

2, 6 snakelike row of second wind channel is in the inside of door plant 2, combine figure 3, door plant 2 still has sand grip 7 with one side of 1 butt of door frame, sand grip 7 inlays with recess 4 and establishes the cooperation, and sand grip 7 is not in the bottom contact of recess 4 after embedding into recess 4, set up a plurality of exhaust vents 8 along the 7 equipartitions of sand grip on the sand grip 7, exhaust vent 8 runs through sand grip 7 and communicates with second wind channel 6, exhaust vent 8 and 5 interval settings in fresh air inlet. A handle 9 is fixed on the door panel 2, and the handle 9 is of a hollow structure and is communicated with the second air duct 6.

This fire door still includes the circulation center, and the circulation center includes circulating fan 10 and rose box 11, and the air outlet of circulating fan 10 passes through tuber pipe 12 intercommunication with the entry of rose box 11, and the export of rose box 11 passes through tuber pipe 12 intercommunication with second wind channel 6, and circulating fan 10's income wind gap passes through tuber pipe 12 intercommunication with first wind channel 3, and tuber pipe 12 is flexible structure.

Referring to fig. 4, a water storage tank 13 is arranged at the bottom of the filter box 11, clear water needs to be stored in the water storage tank 13, a plurality of layers of filter screens 14 are fixedly arranged at the middle of the filter box 11, the filter screens 14 are made of water-absorbing materials such as gauze, the bottoms of the filter screens 14 extend into the water storage tank 13 and are immersed in the clear water in the water storage tank 13, and the filter screens 14 keep a wet state after absorbing water. A cooling pipe 15 is arranged in the filter box 11, one end of the cooling pipe 15 is fixed on the side wall of the filter box 11 and is communicated with an inlet of the filter box 11, and the other end of the cooling pipe 15 extends into the water storage tank 13 and is fixed with a foaming screen plate 16. When the circulating fan 10 is used, the airflow enters the filter box 11 from the cooling pipe 15, and after passing through the foaming screen 16, the airflow is divided into fine bubbles. The filter box 11 is also provided with an atomizer 17, the inlet of the atomizer 17 is communicated with the water storage tank 13, and the spraying direction of the atomizer 17 faces the outlet of the filter box 11.

The working principle of the embodiment is as follows: when a fire occurs, the door plate 2 is in a normally closed state, the circulating fan 10 is opened to enable circulating air flow to exist in the first air channel 3 and the second air channel 6, the circulating air flow flows out of the air outlet and flows into the air inlet, so that air flow is generated in the groove 4, and hot smoke enters the first air channel 3 along with the air flow under the suction effect of the air flow when spreading between the door plate 2 and the door frame 1. Then the air current passes through rose box 11, and rose box 11 cools down and filters the air current, guarantees the cleanliness factor of the air current that enters into in the second wind channel 6, guarantees the security of sparse stairwell etc. department. And the circulated air current also can cool down door plant 2 and door frame 1, effectively improves this fire door's fire behavior.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a fireproof door, includes door frame (1), the articulated two door plant (2) that are provided with on door frame (1), be fixed with handle (9), its characterized in that on door plant (2): a first air channel (3) is formed in the door frame (1), a plurality of air inlet holes (5) are formed in one side, abutted against the door plate (2), of the door frame (1), and the air inlet holes (5) are communicated with the first air channel (3); a second air duct (6) is formed in the door plate (2), a plurality of air outlet holes (8) are formed in one side, abutted against the door frame (1), of the door plate (2), and the air outlet holes (8) are communicated with the second air duct (6); the fireproof door further comprises a circulating center, and the circulating center is communicated with the first air channel (3) and the second air channel (6).

2. A fire rated door as claimed in claim 1, further comprising: set up on door frame (1) fluted (4), recess (4) are located fresh air inlet (5) department, the shaping has to inlay with recess (4) on door plant (2) and establishes complex sand grip (7), sand grip (7) are embedded into in recess (4) after not contact with recess (4) bottom, sand grip (7) are located exhaust vent (8) department, and sand grip (7) are run through in exhaust vent (8).

3. A fire rated door as claimed in claim 2, further comprising: the air outlet hole (8) and the air inlet hole (5) are arranged in a staggered mode.

4. A fire rated door as claimed in claim 1, further comprising: the handle (9) is of a hollow structure, and the handle (9) is communicated with the second air duct (6).

5. A fire rated door as claimed in claim 1, further comprising: the circulation center comprises a circulating fan (10) and a filter box (11), a filter screen (14) is arranged in the filter box (11), and the circulating fan (10) is communicated with the filter screen (14), the circulating fan (10) is communicated with the first air channel (3), and the filter box (11) is communicated with the second air channel (6) through an air pipe (12).

6. A fire rated door as claimed in claim 5, further comprising: the filter screen (14) is made of water-absorbing materials, a water storage tank (13) is arranged at the bottom of the filter box (11), and the bottom of the filter screen (14) extends into the water storage tank (13).

7. The fire rated door as recited in claim 6, further comprising: be provided with cooling tube (15) in rose box (11), the one end of cooling tube (15) be fixed in on the lateral wall of rose box (11) and with the entry intercommunication of rose box (11), the other end of cooling tube (15) stretches into in aqua storage tank (13) and is fixed with foaming otter board (16).

8. The fire rated door as recited in claim 6, further comprising: still be provided with atomizer (17) in rose box (11), atomizer (17) and aqua storage tank (13) intercommunication, the export of the injection direction orientation rose box (11) of atomizer (17).