CN111197454A

CN111197454A - Smoke-isolating fireproof door

Info

Publication number: CN111197454A
Application number: CN202010054439.8A
Authority: CN
Inventors: 王高峰
Original assignee: Zhengzhou Tianrong Building Materials Co Ltd
Current assignee: Zhengzhou Tianrong Building Materials Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-05-26
Anticipated expiration: 2040-01-17
Also published as: CN111197454B

Abstract

The invention relates to a smoke-isolating fireproof door, which comprises a door frame and a door body hinged with the door frame, wherein a vertically arranged fireproof edge protrudes from one side of the door body, the thickness of the fireproof edge is smaller than that of the door frame, a sinking groove for the fireproof edge to enter is formed in the position, corresponding to the fireproof edge, of the door frame, and a hinge point of the door body and the door frame is arranged on the fireproof edge; the top surface, the bottom surface and the side surface far away from the hinged point of the door body are all provided with mutually communicated grooves, and water bags distributed along the grooves are embedded in the grooves; a water supply pipe communicated with the water bag is embedded in the door body, and one end of the water supply pipe, extending out of the door body, is positioned between the fireproof edge and the sink groove. Through adopting above-mentioned technical scheme, the delivery pipe supplies water to the water pocket and makes the water pocket inflation to fill up through the clearance between the expanded water pocket with the door body and the door frame, play the effect that separates the cigarette, reduced this fire door global and the clearance between the door frame, be favorable to improving this fire door separate the cigarette performance, be favorable to protecting people's life and property safety.

Description

Smoke-isolating fireproof door

Technical Field

The invention relates to the technical field of fireproof doors, in particular to a smoke-isolating fireproof door.

Background

The existing fireproof door usually refers to a door arranged in closed places such as a stair walkway, an elevator room, a cable shaft, a smoke exhaust duct and the like, and can meet the requirements of fire resistance stability and heat insulation within a certain time, prevent fire from spreading and diffusing and ensure personnel evacuation.

The fire door that has now is in order to open and close, prevents that fire door installs the back well, all can reserve certain gap from top to bottom at fire door, when taking place the conflagration dangerous situation, prevents that fire door just can not realize complete sealed cigarette that separates, and dense smoke often can emerge along preventing the gap from top to bottom of fire door, sees from the condition of the personnel injury that the conflagration caused, and the produced dense smoke of often conflagration is the root cause that personnel injury is the biggest.

The above prior art solutions have the following drawbacks: when the fireproof door is installed, the gap between the upper part and the lower part of the fireproof door cannot be completely sealed, and the fireproof door is not beneficial to isolating thick smoke when a fire disaster happens, so that an improvement space exists.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a smoke-isolating fireproof door which has the function of blocking a gap between the fireproof door and a door frame so as to improve the smoke-isolating effect.

The above object of the present invention is achieved by the following technical solutions:

a smoke-proof fireproof door comprises a door frame and a door body hinged with the door frame, wherein a vertically arranged fireproof edge protrudes from one side of the door body, the thickness of the fireproof edge is smaller than that of the door frame, a sinking groove for the fireproof edge to enter is formed in the position, corresponding to the fireproof edge, of the door frame, and a hinged point of the door body and the door frame is arranged on the fireproof edge; the top surface, the bottom surface and the side surface far away from the hinged point of the door body are all provided with mutually communicated grooves, and water bags distributed along the grooves are embedded in the grooves; a water supply pipe communicated with the water bag is embedded in the door body, and one end of the water supply pipe, extending out of the door body, is positioned between the fireproof edge and the sink groove.

Through adopting above-mentioned technical scheme, the side that the door body except that be close to after the pin joint all sets up flutedly, and the recess internal fixation has the water pocket, when the conflagration breaing out, switches on the delivery pipe after closing the fire door, supplies water through the delivery pipe to the water pocket and makes the water pocket inflation to fill up the clearance between the door body and the door frame through expanded water pocket, play the effect that separates the cigarette. And the water bag and the water supply pipe can absorb heat and cool the door body, and the specific heat capacity of water is higher, so that the fireproof capacity of the door body is improved, the fireproof time of the fireproof door is prolonged on a fire scene, and more escape time is provided for a user. Wherein the delivery pipe stretches out a body from the PLASTIC LAMINATED with sink between the groove, through the setting of fire prevention limit and recess, when the door body was closed, fire prevention limit and recess tank bottom butt to the side that is close to the fire prevention limit to the door body separates the cigarette, and is favorable to protecting the part that stretches out a body to the delivery pipe, reduces and leads to separating the condition that the cigarette performance descends because of the destruction of flame to the delivery pipe. Thereby the clearance between global and the door frame of this fire door has been reduced, is favorable to having improved this fire door's the cigarette performance that separates, is favorable to protecting people's life and property safety.

The present invention in a preferred example may be further configured to: two groups of floating strips are arranged on the part, located on the top surface of the door body, of the groove, the two groups of floating strips are arranged on two sides of the water bag in a dividing mode, two ends of each floating strip are flush with two sides of the door body, and the height of each floating strip is larger than the distance between the top surface of the door body and a door frame; the water supply pipe is communicated with a branch pipe, and the other end of the branch pipe is communicated with the part of the groove bottom of the groove, which is positioned on the top surface of the door body.

Through adopting above-mentioned technical scheme, set up two sets of floating strips in the recess of door body top surface, the floating strip can select to use fire-resistant and density to be less than the material support of water, like the foaming polyurethane of fire prevention etc.. The grooves on the top surface of the door body are supplied with water through the branch pipes, so that the floating strips are jacked to be abutted against the doorframe under the action of water flow. Because the dense smoke generally floats at the height of the top surface of the door body, the arrangement of the floating strip and the water seal further improves the smoke-proof performance between the top surface of the door body and the door frame. And because the top surface of the door body, ground and the recess of keeping away from the side of pin joint communicate each other to make the rivers that branch pipe flows circulate in the recess, carry out the cooling that lasts and put out the open fire at the scene of a fire to preventing fire door.

The present invention in a preferred example may be further configured to: the two sides of the floating strip are respectively abutted to the water bag and the side face of the groove, a water guide groove is formed in the lower end face of the floating strip, and when the floating strip is abutted to the door frame, the water guide groove is higher than the top face of the door body.

Through adopting above-mentioned technical scheme, the guiding gutter of seting up at the floating strip lower extreme face is used for when the floating strip rises to the AND gate frame butt, and rivers can flow and cover in the front and the reverse side of the door body from the guiding gutter to cool down the door body, be favorable to improving the fire behavior of the door body, thereby further strive for the time of fleing for the user when the conflagration.

The present invention in a preferred example may be further configured to: the front side and the back side of the door body are both provided with a plurality of water drainage grooves, the water drainage grooves on the same side are communicated in a staggered mode to form a plurality of rhombic areas, the top surface of the door body is provided with a plurality of through grooves perpendicular to the plane where the door body is located, the through grooves are opposite to the water guide grooves, and the water guide grooves are communicated with the water drainage grooves.

Through adopting above-mentioned technical scheme, the effect of the sluicing groove of the positive and reverse side of the door body is used for carrying out the guide effect to the rivers that the guiding gutter flows out to avoid rivers direct discharge on the door body and down, the sluicing groove enables rivers and covers the positive and reverse side at the door body more evenly, thereby more even to the cooling of the door body, be favorable to improving the fire resistance of the door body, thereby further strive for the time of fleing for the user when the conflagration.

The present invention in a preferred example may be further configured to: the water supply pipe is wound in the door body along the height direction.

Through adopting above-mentioned technical scheme, twine the delivery pipe at the internal portion of door along the direction of height to be favorable to through contact heat transfer and convection heat transfer, cool down the door body, thereby when the conflagration takes place, be favorable to improving the fire resistance of a body, thereby further strive for the time of fleing for the user when the conflagration.

The present invention in a preferred example may be further configured to: the corrugated pipe is communicated with the water supply pipe and is arranged between the door frame and one side of the hinged joint of the door body, the corrugated pipe is communicated with a municipal water supply pipe network, and the bottom of the door frame in the sink groove is provided with an accommodating hole for accommodating the corrugated pipe.

Through adopting above-mentioned technical scheme, the elasticity of bellows is rotated the door body and is rotated around the pin joint in the daily use of person of being convenient for to supply water to the delivery pipe through the bellows. The accommodating hole formed in the door frame is favorable for accommodating and protecting the corrugated pipe, so that the laminating degree between the fireproof strip and the sink groove is higher, and the fireproof door frame has better smoke resistance

The present invention in a preferred example may be further configured to: the water supply pipe is provided with a water valve for controlling the water supply pipe to be communicated and closed, and a handle of the water valve extends out of the door body.

Through adopting above-mentioned technical scheme, install the water valve on the delivery pipe to convenient to use person controls the delivery pipe, just supplies water to the water pocket when the conflagration takes place, thereby makes the door body rotate more portablely in daily use.

The present invention in a preferred example may be further configured to: the both ends of delivery pipe all are connected with the bellows, the bellows all communicates with municipal water supply pipe network.

Through adopting above-mentioned technical scheme, all feed pipe and municipal water supply pipe network intercommunication through the both ends with the delivery pipe, be about to delivery pipe and municipal water supply pipe parallelly connected to rivers continuously flow through the delivery pipe when the valve switches on, make the delivery pipe can be through contact heat transfer and convection current heat transfer's mode take away the heat on the fire door better, be favorable to improving the fire resistance of a body, thereby further strive for the time of fleing for the user when the conflagration.

In conclusion, the invention has the following beneficial effects:

1. the water bag is fixed on the top surface of the door body, the ground and the side surface far away from the hinge point, so that the water bag supplies water to seal a gap between the door body and the door frame, the side of the door body close to the hinge point is sealed by the butt matching of the fireproof strip and the sinking groove, and the water supply pipe is protected, so that the smoke insulation effect of the fireproof door is improved, and the loss of lives and properties of people is reduced when a fire disaster occurs;

2. the floating strip is placed in the groove in the top surface of the door body, the groove is supplied with water through the branch pipe communicated with the bottom surface of the groove, so that the floating strip floats to the butt of the door frame through water flow, the gap between the top surface of the door body and the door frame is further blocked, the water flow flows along the groove, the water guide groove, the through groove and the water drainage groove, the door body is favorably cooled, the fire resistance of the door body is favorably improved, and the escape time is further strived for a user when a fire disaster occurs.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic structural view illustrating the opening of the door body in the present embodiment;

FIG. 3 is an enlarged view of the point A in FIG. 2

FIG. 4 is a schematic view of the internal structure of the door body according to the present embodiment;

FIG. 5 is a schematic sectional view of the door body in the present embodiment;

fig. 6 is an enlarged view at B in fig. 5.

Reference numerals: 1. a door body; 11. fireproof edges; 12. a groove; 13. a water drainage tank; 14. a through groove; 2. a door frame; 21. sinking a groove; 22. a receiving hole; 3. a water bladder; 31. a water supply pipe; 32. a branch pipe; 33. a bellows; 4. floating strips; 41. a water chute; 5. a water valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 2, the smoke-isolating fireproof door disclosed by the invention comprises a door frame 2 fixed with a wall body, wherein the door frame 2 is hinged with a door body 1 similar to a rectangle, and the door body 1 comprises a front surface, a back surface, a top surface, a bottom surface and two side surfaces. One side of the door body 1 is convexly provided with a vertically arranged fireproof edge 11, the plane where the fireproof edge 11 is located is parallel to the plane where the door body 1 is located, and the thickness of the fireproof edge 11 is smaller than that of the door body 1 and is flush with the front surface of the door body 1. Wherein the door frame 2 is offered the heavy groove 21 that supplies fire prevention limit 11 to go on in the position that corresponds with fire prevention limit 11, and when door body 1 and door frame 2 closed condition, fire prevention limit 11 and heavy groove 21 laminating, and the hinge that door body 1 and door frame 2 articulated is installed on fire prevention limit 11.

As shown in fig. 2 to 3, the top surface, the bottom surface and the side surface far away from the hinge point of the door body 1 are respectively provided with a groove 12 (as shown in fig. 6) which are communicated with each other, a water bag 3 is fixed in the groove 12 along the shape of the groove 12, and the water bag 3 is made of a material which has certain toughness and can deform, such as rubber.

As shown in fig. 3 to 4, a water supply pipe 31 communicated with the water bag 3 is embedded in the door body 1, the water supply pipe 31 is wound in the door body 1 along the height direction of the door body 1, and both ends of the water supply pipe 31 extend out of the door body 1 from the fireproof edge 11 and are located at the lower end of the door body 1. A corrugated pipe 33 communicated with the municipal water supply pipe 31 is arranged between the door frame 2 and the side face of the hinge point of the door body 1, and a receiving hole 22 for receiving the corrugated pipe 33 is formed at the bottom of the sinking groove 21 of the door frame 2. The number of the corrugated pipes 33 may be one, one corrugated pipe 33 is communicated with the water supply pipe 31, the other end of the water supply pipe 31 is blocked, the number of the corrugated pipes 33 may be two, the two corrugated pipes 33 are respectively communicated with two ends of the water supply pipe 31, and the two corrugated pipes 33 may be both connected with the municipal water supply pipe 31, so that the water supply pipe 31 is connected in parallel with the municipal water supply pipe 31, or one corrugated pipe 33 may be directly communicated with the outside.

As shown in fig. 3 to 4, the water bag 3 is supplied with water through the arrangement of the water supply pipe 31 and the corrugated pipe 33, so that the water bag 3 seals a gap between the door body 1 and the door frame 2, and seals one side of the door body 1 close to a hinge point through the abutting matching of the fireproof strip and the sinking groove 21, and protects the water supply pipe 31, thereby being beneficial to improving the smoke insulation effect of the fireproof door and reducing the loss of lives and properties of people when a fire occurs; and the water supply pipe 31 can take away the heat of the door body 1 through contact heat transfer and convection heat transfer in the door body 1, thereby improving the fire-resistant time of the door body 1 in a fire disaster and striving for time for a user to escape.

As shown in fig. 3 to 4, a water valve 5 for controlling the opening and closing of the water supply pipe 31 is installed on the water supply pipe 31, and a handle of the water valve 5 is disposed to extend out of the door body 1. Thereby facilitating the user to control the water supply pipe 31 and supply water to the water bladder 3 only when a fire occurs, thereby making the door body 1 more portable in daily use.

As shown in fig. 5 to 6, two sets of floating strips 4 are placed in the groove 12 on the top surface of the door body 1, and the floating strips 4 can be supported by a material which is fire-resistant and has a density lower than that of water, such as fire-proof foamed polyurethane. The two ends of the floating strips 4 are parallel and level with the two sides of the door body 1, the two groups of floating strips 4 are respectively arranged on the two sides of the water bag 3, and the height of the floating strips 4 is larger than the distance between the top surface of the door body 1 and the door frame 2. A branch pipe 32 with one end communicated with the water supply pipe 31 is further arranged in the door body 1, and the other end of the branch pipe 32 is communicated with the bottom of the groove 12 on the top surface of the door body 1. Thereby supply water to the tank bottom of recess 12 through branch pipe 32, make superficial strip 4 float and with door frame 2 butt, cooperation liquid seal has further improved the shutoff to the clearance between door body 1 top surface and the door frame 2 to improve and separate the cigarette effect.

As shown in fig. 5 to 6, two sides of the floating strip 4 are respectively abutted against the side surfaces of the water bag 3 and the groove 12, the lower end surface of the floating strip 4 is provided with a water chute 41, and when the floating strip 4 is abutted against the doorframe 2, the water chute 41 is higher than the top surface of the door body 1. The front surface and the back surface of the door body 1 are both provided with a plurality of water drainage grooves 13, the water drainage grooves 13 on the same side are communicated in a staggered mode to form a plurality of rhombic areas, the top surface of the door body 1 is provided with a plurality of through grooves 14 perpendicular to the plane where the door body 1 is located, the through grooves 14 are opposite to the water guide grooves 41, and the water guide grooves 41 are communicated with the water drainage grooves 13. When the branch pipes 32 supply water into the grooves 12, water flows along the grooves 12, the water guide grooves 41, the through grooves 14 and the water discharge grooves 13, so that the temperature of the door body 1 is favorably reduced, the fire resistance of the door body 1 is favorably improved, and the escape time of a user is further strived for in case of fire.

The implementation principle of the embodiment is as follows:

if a fire disaster happens in the using process of the smoke-isolating fireproof door, the door body 1 is firstly attached to the door frame 2 and then the water valve 5 is opened to conduct the water supply pipe 31 to supply water to the water bag 3 and the branch pipe 32, the water bag 3 is filled with water and expanded to enable the water bag 3 to be attached to the door frame 2, and then a gap between the door body 1 and the door frame 2 is sealed to realize smoke isolation. And thereby branch pipe 32 supplies water to recess 12 and makes the superficial strip 4 come-up to with door frame 2 butt, has further improved the gas tightness to the clearance between door body 1 top surface and the door frame 2, is favorable to completely cutting off showy dense smoke, and the rivers that branch pipe 32 flows out also can cool down to the surface of the door body 1, are favorable to improving the fire resistance of the door body 1 to further strive for the time of fleing for the user when the conflagration.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a separate cigarette and prevent fire door, includes door frame (2) and the articulated door body (1) of and door frame (2), characterized by: a vertically arranged fireproof edge (11) protrudes from one side of the door body (1), the thickness of the fireproof edge (11) is smaller than that of the door frame (2), a sinking groove (21) for the fireproof edge (11) to enter is formed in the position, corresponding to the fireproof edge (11), of the door frame (2), and a hinge point of the door body (1) and the door frame (2) is arranged on the fireproof edge (11); grooves (12) which are mutually communicated are formed in the top surface, the bottom surface and the side surface far away from the hinge point of the door body (1), and water bags (3) distributed along the grooves (12) are embedded in the grooves (12); a water supply pipe (31) communicated with the water bag (3) is embedded in the door body (1), and one end, extending out of the door body (1), of the water supply pipe (31) is located between the fireproof edge (11) and the sinking groove (21).

2. A smoke isolating fire door as defined in claim 1 further characterised by: two groups of floating strips (4) are arranged on the part, located on the top surface of the door body (1), of the groove (12), the two groups of floating strips (4) are arranged on the two sides of the water bag (3) in a row, the two ends of each floating strip (4) are flush with the two sides of the door body (1), and the height of each floating strip (4) is larger than the distance between the top surface of the door body (1) and the door frame (2); the water supply pipe (31) is communicated with a branch pipe (32), and the other end of the branch pipe (32) is communicated with the part of the groove bottom of the groove (12) which is positioned on the top surface of the door body (1).

3. A smoke isolating fire door as claimed in claim 2, further characterised in that: the two sides of the floating strip (4) are respectively abutted to the side faces of the water bag (3) and the groove (12), a water guide groove (41) is formed in the lower end face of the floating strip (4), and when the floating strip (4) is abutted to the door frame (2), the water guide groove (41) is higher than the top face of the door body (1).

4. A smoke isolating fire door as claimed in claim 3, further characterised in that: the front and the back of the door body (1) are both provided with a plurality of water drainage grooves (13), the water drainage grooves (13) on the same side are communicated in a staggered mode to form a plurality of rhombic areas, the top surface of the door body (1) is provided with a plurality of through grooves (14) perpendicular to the plane where the door body (1) is located, the through grooves (14) are opposite to the water guide grooves (41), and the water guide grooves (41) are communicated with the water drainage grooves (13).

5. A smoke isolating fire door as defined in claim 1 further characterised by: the water supply pipe (31) is wound in the height direction in the door body (1).

6. A smoke isolating fire door as defined in claim 1 further characterised by: a corrugated pipe (33) communicated with the water supply pipe (31) is arranged between the door frame (2) and one side of the door body (1) close to a hinged point, the corrugated pipe (33) is communicated with the municipal water supply pipe (31) in a net mode, and a containing hole (22) used for containing the corrugated pipe (33) is formed in the bottom of the sunken groove (21) of the door frame (2).

7. A smoke isolating fire door as defined in claim 1 further characterised by: the water supply pipe (31) is provided with a water valve (5) for controlling the on-off of the water supply pipe (31), and a handle of the water valve (5) extends out of the door body (1).

8. A smoke isolating fire door as defined in claim 6 further characterised by: both ends of the water supply pipe (31) are connected with the corrugated pipes (33), and the corrugated pipes (33) are communicated with the municipal water supply pipe (31) in a net mode.