CN210422382U

CN210422382U - Prevent fire door with separate cigarette function

Info

Publication number: CN210422382U
Application number: CN201920400769.0U
Authority: CN
Inventors: 柴金凤
Original assignee: Shanghai Zhengtai Fire Equipment Co Ltd
Current assignee: Shanghai Zhengtai Fire Equipment Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-04-28
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a fireproof door with smoke insulation function, which comprises a fireproof door body, wherein the fireproof door body is composed of a door frame, a main door and a sub door, the top end of the fireproof door body is provided with a smoke sensor, both sides of the fireproof door body are respectively provided with a smoke absorbing hole, the smoke suction holes are all connected with a first discharge flue, the first discharge flue is connected with a second discharge flue, one end of the second discharge flue is provided with an exhaust fan, the inner side of the door frame is provided with a first annular groove, an expansion sealing strip I is arranged inside the first annular groove, the top end of the mother door is provided with a door closer, both sides of the mother door are respectively provided with a door handle, the outer side walls of the female door and the male door are respectively provided with a second annular groove and a third annular groove, and a second expansion sealing strip is arranged in the second annular groove, and a third expansion sealing strip is arranged in the third annular groove. Has the advantages that: can improve the smoke-proof effect of the fireproof door while preventing fire.

Description

Prevent fire door with separate cigarette function

Technical Field

The utility model relates to a prevent fire door technical field, particularly, relate to a prevent fire door with separate cigarette function.

Background

The fireproof door is a door capable of meeting the requirements of fire resistance, integrity and heat insulation within a certain time, and is a fireproof partition with certain fire resistance, which is arranged between fireproof partitions, evacuation staircases, vertical shafts and the like, but when a fire occurs, part of dense smoke still can escape from a gap between the fireproof door and a door frame after the fireproof door is closed, so that personal safety of people is injured, and therefore, the fireproof door with the smoke insulation function is provided.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a prevent fire door with separate cigarette function to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a fireproof door with a smoke isolation function comprises a fireproof door body, wherein the fireproof door body is composed of a door frame, a primary door and a secondary door, the door frame is located inside a door wall, the primary door and the secondary door are located inside the door frame and are in matched connection with the door frame through a plurality of hinges, a smoke sensor is arranged at the top end of the fireproof door body, a plurality of smoke absorption holes located inside the door wall are respectively formed in two sides of the fireproof door body, the smoke absorption holes are connected with a first discharge flue located inside the door wall, the other end of the first discharge flue is connected with a second discharge flue, an exhaust fan is arranged at the other end of the second discharge flue, a controller is arranged on the exhaust fan, a first annular groove is formed in the inner side of the door frame, a first expansion sealing strip is arranged inside the first annular groove, and a door closer matched and connected with the door frame is arranged at the top end of the primary door, the door handle is arranged on each of two sides of the female door, the second annular groove and the third annular groove are arranged on the outer side walls of the female door and the secondary door respectively, the second expansion sealing strip is arranged inside the second annular groove, and the third expansion sealing strip is arranged inside the third annular groove.

Furthermore, a communicating structure is arranged between the smoking holes.

Further, the exhaust fan is arranged outdoors.

Further, the width of the second expansion sealing strip is the same as that of the third expansion sealing strip, and the width of the first expansion sealing strip is larger than the sum of the widths of the second expansion sealing strip and the third expansion sealing strip.

Furthermore, the first expansion sealing strip, the second expansion sealing strip and the third expansion sealing strip are detachable structures respectively.

Furthermore, the first expansion sealing strip, the second expansion sealing strip and the third expansion sealing strip are made of fireproof materials respectively.

The utility model has the advantages that: through the effect of inflation sealing strip one, inflation sealing strip two and inflation sealing strip three, can make inflation sealing strip one, inflation sealing strip two and inflation sealing strip three thermal expansion when the conflagration breaing out to can improve sealed effect, avoid causing the infiltration of smog, through smoke transducer, smoking hole, discharge flue one, discharge flue two and exhaust fan's effect, can be when the conflagration breaing out near the smog of preventing fire door is discharged outdoors, further improves the smoke-proof function of preventing fire door.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a fire door having a smoke barrier function according to an embodiment of the present invention;

fig. 2 is a partial side view of a frame of a fire rated door having a smoke barrier in accordance with an embodiment of the present invention;

fig. 3 is a partial side view of a fire door body with smoke barrier according to an embodiment of the present invention.

In the figure:

1. a fire door body; 2. a door frame; 3. a female door; 4. a sub-door; 5. a door wall; 6. a hinge; 7. a smoke sensor; 8. a smoking hole; 9. a first exhaust flue; 10. a second smoke exhaust channel; 11. an exhaust fan; 12. a controller; 13. a first annular groove; 14. expanding the first sealing strip; 15. a door closer; 16. a door handle; 17. a second annular groove; 18. a third annular groove; 19. expanding the sealing strip II; 20. and expanding the sealing strip III.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a prevent fire door with separate cigarette function.

The first embodiment is as follows:

as shown in fig. 1-3, the fireproof door with smoke insulation function according to the embodiment of the present invention comprises a fireproof door body 1, wherein the fireproof door body 1 is composed of a door frame 2, a main door 3 and a sub door 4, the door frame 2 is located inside a door wall 5, the main door 3 and the sub door 4 are located inside the door frame 2 and are connected with the door frame 2 through a plurality of hinges 6, a smoke sensor 7 is disposed at the top end of the fireproof door body 1, a plurality of smoke holes 8 located inside the door wall 5 are respectively disposed at two sides of the fireproof door body 1, the smoke holes 8 are connected with a first discharge flue 9 located inside the door wall 5, the other end of the first discharge flue 9 is connected with a second discharge flue 10, an exhaust fan 11 is disposed at the other end of the second discharge flue 10, a controller 12 is disposed on the exhaust fan 11, a first annular groove 13 is disposed at the inner side of the door frame 2, the inside of the first annular groove 13 is provided with a first expansion sealing strip 14, the top end of the female door 3 is provided with a door closer 15 which is matched and connected with the door frame 2, two sides of the female door 3 are respectively provided with a door handle 16, the outer side walls of the female door 3 and the outer side walls of the secondary door 4 are respectively provided with a second annular groove 17 and a third annular groove 18, the inside of the second annular groove 17 is provided with a second expansion sealing strip 19, and the inside of the third annular groove 18 is provided with a third expansion sealing strip 20.

The specific arrangement and function of the first annular groove 13, the second annular groove 17 and the third annular groove 18 will be described in detail below.

As shown in fig. 2 and 3, the first annular groove 13 is located on the inner side of the door frame 2, and the second annular groove 17 and the third annular groove 18 are located on the outer side walls of the primary door 3 and the secondary door 4, so that the first expansion sealing strip 14, the second expansion sealing strip 19 and the third expansion sealing strip 20 can be respectively placed, the first expansion sealing strip 14 can be prevented from contacting the second expansion sealing strip 19 and the third expansion sealing strip 20 under the normal use condition, the abrasion of the first expansion sealing strip 14, the second expansion sealing strip 19 and the third expansion sealing strip 20 can be effectively avoided, and the service life is prolonged.

By means of the technical scheme, through the effect of expansion sealing strip one 14, two 19 and three 20 of expansion sealing strip, can make expansion sealing strip one 14, two 19 and three 20 of expansion sealing strip thermal expansions of expansion sealing strip when taking place the conflagration, thereby can improve sealed effect, avoid causing the infiltration of smog, through smoke transducer 7, smoking hole 8, discharge flue one 9, discharge flue two 10 and exhaust fan 11's effect, can be when taking place the conflagration nearby smog of fire door is discharged outdoors, further improve fire door's the smoke barrier function.

Example two:

as shown in fig. 1-3, be the open structure between the smoking hole 8, exhaust fan 11 sets up outdoors, the second 19 of expansion sealing strip with the width of the three 20 of expansion sealing strip is the same, and, the width of the first 14 of expansion sealing strip is greater than the second 19 of expansion sealing strip with the sum of the width of the three 20 of expansion sealing strip, the first 14 of expansion sealing strip the second 19 of expansion sealing strip with the three 20 of expansion sealing strip are detachable construction respectively, the first 14 of expansion sealing strip, the second 19 of expansion sealing strip with the three 20 of expansion sealing strip are fire-resistant material respectively.

As can be seen from fig. 2 and 3, the width of the second expanded sealing strip 19 is the same as that of the third expanded sealing strip 20, and the width of the first expanded sealing strip 14 is greater than the sum of the widths of the second expanded sealing strip 19 and the third expanded sealing strip 20, so that the width design of the first expanded sealing strip 14, the second expanded sealing strip 19 and the third expanded sealing strip 20 is conventional and will not be described in detail.

To sum up, with the help of the above technical scheme of the utility model, through the effect of expansion seal strip one 14, two 19 and three 20 of expansion seal strip, can make expansion seal strip one 14, two 19 and three 20 thermal expansions of expansion seal strip when the conflagration breaing out to can improve sealed effect, avoid causing the infiltration of smog, through smoke transducer 7, smoking hole 8, discharge flue one 9, discharge flue two 10 and exhaust fan 11's effect, can arrange the smog of preventing near fire door outdoor when taking place the conflagration, further improve the smoke insulation function of preventing fire door.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The fireproof door with the smoke isolation function is characterized by comprising a fireproof door body (1), wherein the fireproof door body (1) is composed of a door frame (2), a main door (3) and a sub door (4), the door frame (2) is located inside a door wall (5), the main door (3) and the sub door (4) are located inside the door frame (2) and are connected with the door frame (2) in a matched mode through a plurality of hinges (6), a smoke sensor (7) is arranged at the top end of the fireproof door body (1), a plurality of smoke suction holes (8) located inside the door wall (5) are respectively formed in the two sides of the fireproof door body (1), the smoke suction holes (8) are connected with a first discharge flue (9) located inside the door wall (5), the other end of the first discharge flue (9) is connected with a second discharge flue (10), and a fan (11) is arranged at the other end of the second discharge flue (10), the exhaust fan is characterized in that a controller (12) is arranged on the exhaust fan (11), a first annular groove (13) is formed in the inner side of the door frame (2), a first expansion sealing strip (14) is arranged inside the first annular groove (13), a door closer (15) matched and connected with the door frame (2) is arranged at the top end of the primary door (3), door handles (16) are respectively arranged on two sides of the primary door (3), a second annular groove (17) and a third annular groove (18) are respectively arranged on the outer side walls of the primary door (3) and the secondary door (4), a second expansion sealing strip (19) is arranged inside the second annular groove (17), and a third expansion sealing strip (20) is arranged inside the third annular groove (18).

2. The fire door with smoke barrier according to claim 1, wherein said smoke holes (8) are connected to each other.

3. The fire door with smoke barrier according to claim 1, wherein said exhaust fan (11) is disposed outdoors.

4. The fire door having a smoke barrier function according to claim 1, wherein the width of said second intumescent seal (19) and said third intumescent seal (20) are the same, and the width of said first intumescent seal (14) is larger than the sum of the width of said second intumescent seal (19) and said third intumescent seal (20).

5. The fire door having a smoke barrier function as claimed in claim 1, wherein said first expansion seal (14), said second expansion seal (19) and said third expansion seal (20) are each a detachable structure.

6. The fire door having a smoke barrier function as claimed in claim 1, wherein said first intumescent sealing strip (14), said second intumescent sealing strip (19) and said third intumescent sealing strip (20) are each made of a fire-resistant material.