CN212079107U

CN212079107U - Quick smoke-isolating fireproof door

Info

Publication number: CN212079107U
Application number: CN202020619665.1U
Authority: CN
Inventors: 郎瑜珂
Original assignee: Hangzhou Kang An Fire Equipment Co ltd
Current assignee: Hangzhou Kang An Fire Equipment Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-04
Anticipated expiration: 2030-04-22

Abstract

The utility model belongs to the technical field of the fire prevention facility technique and specifically relates to a separate cigarette fast and prevent fire door is related to. Among the prior art, there is the gap door leaf and the junction of door frame, the flue gas can spill from the gap, thereby the influence prevents fire door separate the cigarette performance, this scheme includes the door leaf, door frame and fire prevention hinge, the door leaf rotates the connection on the door frame through fire prevention hinge, the door leaf includes the framework of two mainboard and curb plate section bar, the inside both ends curb plate department that is close to of framework is equipped with the skeleton, the framework intussuseption is filled with fire-resistant material, be equipped with the caulking groove on the door frame, the caulking groove inner wall includes first end wall and second end wall, first recess has been seted up on the first end wall, be equipped with first inflation sealing member in the first recess, the second recess has been seted up on the second. This scheme can be with the gap shutoff between door leaf and the door frame to the realization improves the cigarette effect that separates of preventing fire door to the separation of flue gas.

Description

Quick smoke-isolating fireproof door

Technical Field

The utility model belongs to the technical field of the fire prevention facility technique and specifically relates to a separate cigarette fast and prevent fire door is related to.

Background

With the increasing requirements of people on the safety performance of buildings, the fireproof performance of doors used inside buildings also becomes a very important examination. A fire door is a door that can satisfy the requirements of fire resistance stability, integrity and thermal insulation for a certain period of time, and is a fire barrier having a certain fire resistance. Fire doors are typically provided in fire compartments, evacuation stairwells, vertical shafts, etc. The fireproof door has the functions of fire prevention and separation, and also has the functions of preventing fire from spreading and smoke from diffusing, so that the fire can be prevented from spreading within a certain time, and people can be evacuated.

As shown in fig. 1, in the existing fire door, the structural structure of the joint between the door leaf and the door frame is arranged in a step shape, an inward-recessed installation opening is arranged on the door frame, the installation opening is located on one side of the door frame facing the outside, and the width of the installation opening is consistent with the thickness of the fire door. The fireproof hinge between the door leaf and the door frame is also positioned at the corner of the mounting opening. When the fireproof door is closed, one side of the door leaf, which is provided with the fireproof hinge, is inserted into the mounting opening.

However, in the prior art, there is a gap at the joint of the door leaf and the door frame, and smoke may leak from the gap, thereby affecting the smoke-isolating performance of the fire door.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire door is prevented to separate cigarette fast can be with the gap shutoff between door leaf and the door frame to the realization improves the cigarette effect that separates of preventing fire door to the separation of flue gas.

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

the utility model provides a prevent fire door fast separates cigarette, includes door leaf, door frame and fire prevention hinge, the door leaf rotates through fire prevention hinge and connects on the door frame, the door leaf includes the framework of two mainboard and curb plate section bar, the inside both ends curb plate department that is close to of framework is equipped with the skeleton, the framework intussuseption is filled with fire-resistant material, be equipped with the caulking groove on the door frame, the caulking groove inner wall includes first end wall and second end wall, first recess has been seted up on the first end wall, be equipped with first inflation sealing member in the first recess, the second recess has been seted up on the second end wall, be equipped with second inflation sealing member in the second recess.

By adopting the technical scheme, when a fire disaster occurs, the first expansion sealing piece is heated to expand, the gap between the first end wall and the door leaf is blocked, smoke is blocked, when high-temperature smoke leaks to the second end wall, the second expansion sealing piece is heated to expand, the gap between the second end wall and the door leaf is secondarily blocked, and the smoke leakage is reduced;

first recess has a limiting action to first inflation sealing member, makes first inflation sealing member when the inflation, and fixed on first endwall is comparatively stable, makes the route of passing of flue gas become comparatively tortuous simultaneously, and the condition that reduces the flue gas and pass takes place, and the setting of second recess is with the same reason, makes the fixed of second inflation sealing member on the second endwall comparatively stable, and the condition that reduces the flue gas seepage takes place simultaneously.

The utility model discloses further set up to: when the fireproof door is closed, one side, close to the fireproof hinge, of the door leaf is embedded into the caulking groove, a reserved space is formed between the door leaf and the door frame, and a plugging assembly for plugging an entrance of the reserved space is arranged on the door leaf.

Through adopting above-mentioned technical scheme, when preventing that fire door closes, the shutoff subassembly carries out the shutoff with the entry in headspace to reduce the condition emergence that the flue gas spills through the headspace, realize the separation to the flue gas, improve the cigarette effect that separates of preventing fire door.

The utility model discloses further set up to: the blocking component comprises a baffle arranged on the door leaf main board, fireproof paint is coated on the peripheral wall of the baffle, and when the fireproof door is closed, the baffle is attached to the end face of the door frame and blocks the entrance of the reserved space.

Through adopting above-mentioned technical scheme, when preventing that fire door closes, the baffle on the door leaf mainboard is laminated with the end wall of door frame to with the entry shutoff in headspace, realize the shutoff effect.

The utility model discloses further set up to: the one end of keeping away from the mainboard on the baffle is equipped with the third inflation sealing member, be equipped with the butt joint board on the door frame, the joint groove has been seted up on the butt joint board, third inflation sealing member and joint groove cooperation joint.

Through adopting above-mentioned technical scheme, keep off when preventing that fire door closes, the end wall laminating of baffle and door frame, the third inflation sealing member on the baffle is inserted in the joint groove of butt joint board, and the joint cooperation of joint groove and third inflation sealing member makes the gap between baffle and the door frame by the shutoff completely, and makes the flow path of flue gas become more tortuous, and the condition that reduces the flue gas entering headspace takes place.

The utility model discloses further set up to: the edge of the clamping groove is arranged in an arc-shaped chamfer.

Through adopting above-mentioned technical scheme, the arc chamfer in joint groove sets up, makes the third inflation sealing member insert the in-process of extracting the joint groove repeatedly, reduces the degree of wear of the edge in joint groove to third inflation sealing member, prolongs the life of third inflation sealing member.

The utility model discloses further set up to: and the second end wall of the door frame is provided with a heat conducting groove, and the heat conducting groove penetrates through the end wall of the door frame.

Through adopting above-mentioned technical scheme, the setting of heat conduction groove when the conflagration breaing out, makes the heat of wall pass to first inflation sealing member and second inflation sealing member through the heat conduction groove as early as possible, makes first inflation sealing member and second inflation sealing member thermal expansion, with the headspace shutoff, reduces spilling of flue gas, improves the cigarette performance that separates of preventing fire door.

The utility model discloses further set up to: the heat conduction grooves are uniformly arranged on the second end wall along the vertical direction.

Through adopting above-mentioned technical scheme, the heat conduction efficiency of thermal is improved to the heat conduction groove of a plurality of settings, makes the heat transfer to first inflation sealing member and second inflation sealing member as early as possible.

The utility model discloses further set up to: the door frame is tightly attached to the wall.

Through adopting above-mentioned technical scheme, hug closely the setting between door frame and the wall, reduce the gap size between wall and the door frame, reduce the possibility that the flue gas spills through the gap between wall and the door frame.

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

1. when a fire disaster happens, the first expansion sealing piece is heated to expand, a gap between the first end wall and the door leaf is plugged, smoke is blocked, when high-temperature smoke leaks to the second end wall, the second expansion sealing piece is heated to expand, the gap between the second end wall and the door leaf is plugged for the second time, and the situation that the smoke leaks is reduced;

2. first recess has a limiting action to first inflation sealing member, makes first inflation sealing member when the inflation, and fixed on first endwall is comparatively stable, makes the route of passing of flue gas become comparatively tortuous simultaneously, and the condition that reduces the flue gas and pass takes place, and the setting of second recess is with the same reason, makes the fixed of second inflation sealing member on the second endwall comparatively stable, and the condition that reduces the flue gas seepage takes place simultaneously.

Drawings

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

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;

FIG. 3 is an enlarged partial schematic view at A in FIG. 2;

fig. 4 is a right side view of the doorframe.

In the figure, 1, a door leaf; 2. a door frame; 3. a fireproof hinge; 4. caulking grooves; 5. a first end wall; 6. a second end wall; 7. a first groove; 8. a first inflatable seal; 9. a second groove; 10. a second inflatable seal; 11. a main board; 12. a frame body; 13. a framework; 14. a refractory material; 15. reserving space; 16. a plugging component; 17. a baffle plate; 18. a third inflatable seal; 19. a butt joint plate; 20. a clamping groove; 21. arc chamfering; 22. a heat conducting groove; 23. a wall.

Detailed Description

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

As shown in fig. 1 and 3, the rapid smoke-isolating fireproof door comprises a door leaf 1, a door frame 2 and a fireproof hinge 3, wherein the door leaf 1 is rotatably connected to the door frame 2 through the fireproof hinge 3. Be provided with caulking groove 4 on the door frame 2 (as shown in fig. 2), caulking groove 4 inner wall includes first end wall 5 and second end wall 6, has seted up first recess 7 on the first end wall 5, and the first inflation sealing member 8 of fixedly connected with in the first recess 7 has seted up second recess 9 on the second end wall 6, and fixedly connected with second inflation sealing member 10 in the second recess 9.

When the conflagration breaing out, first inflation sealing member 8 is heated the inflation, with the gap shutoff between first endwall 5 and the door leaf 1, realizes the separation to the flue gas, leaks to second endwall 6 when the flue gas of high temperature, and second inflation sealing member 10 is heated the inflation, carries out the secondary shutoff with the gap between second endwall 6 and the door leaf 1, and the condition that the reduction flue gas spills takes place.

As shown in fig. 1 and 2, the door leaf 1 includes two main boards 11 and a frame 12 of a side board profile, a framework 13 is fixedly connected to the inside of the frame 12 near the side boards at two ends, and the framework 13 is used for enhancing the strength of the door leaf 1. The frame body 12 is filled with a fireproof material 14, the fireproof material 14 is an inorganic fireproof door core, and the main components of the inorganic fireproof door core comprise magnesium oxide, magnesium sulfate, cellosilk, a binder and the like, so that the fireproof performance of the fireproof door is improved.

As shown in fig. 1 and 3, when the fireproof door is closed, one side of the door leaf 1 close to the fireproof hinge 3 is embedded into the caulking groove 4, a reserved space 15 is formed between the door leaf 1 and the door frame 2, and a plugging component 16 is arranged on the door leaf 1 and used for plugging the entrance of the reserved space 15.

As shown in fig. 2 and 3, the blocking assembly 16 includes a baffle 17 fixedly connected to the main plate 11 of the door leaf 1, and a fireproof paint is coated on a peripheral wall of the baffle 17 to improve the fire resistance of the baffle 17. When the fireproof door is closed, the baffle 17 is attached to the end face of the door frame 2 and plugs the entrance of the reserved space 15, so that the entrance of the reserved space 15 is plugged.

Keep away from the one end fixedly connected with third inflation sealing member 18 of mainboard 11 on the baffle 17, fixedly connected with butt plate 19 on the end wall of door frame 2, the joint groove 20 has been seted up on the end wall of butt plate 19 towards door leaf 1. When the fireproof door is closed, the baffle 17 is attached to the end wall of the door frame 2, and the third expansion sealing element 18 on the baffle 17 is inserted into the clamping groove 20 of the abutting plate 19, so that the gap between the baffle 17 and the door frame 2 is completely sealed, and the sealing effect of the baffle 17 on the entrance of the reserved space 15 is improved.

As shown in fig. 2 and 3, the edge of the clamping groove 20 is provided with an arc chamfer 21, so that the abrasion of the third expansion sealing element 18 in the process of repeatedly inserting and pulling out the clamping groove 20 is reduced, and the service life of the third expansion sealing element 18 is prolonged.

As shown in fig. 3 and 4, the second end wall 6 of the door frame 2 is provided with a plurality of heat conduction grooves 22, and the plurality of heat conduction grooves 22 are uniformly arranged along the vertical direction. Each heat-conducting channel 22 extends through an end wall of the door frame 2. When a fire disaster happens, the heat conduction grooves 22 enable the heat of the wall 23 to be transferred to the first expansion sealing element 8 and the second expansion sealing element 10 as soon as possible, the first expansion sealing element 8 and the second expansion sealing element 10 are enabled to be heated and expanded, the reserved space 15 is blocked, smoke leakage is reduced, the heat conduction grooves 22 are arranged in a plurality of the heat conduction grooves, the conduction efficiency is improved, and the heat is transferred to the first expansion sealing element 8 and the second expansion sealing element 10 as soon as possible.

As shown in fig. 2, the door frame 2 is tightly attached to the wall 23, so that the size of the gap between the wall 23 and the door frame 2 is reduced, and the possibility of smoke leakage through the gap between the wall 23 and the door frame 2 is reduced.

The working process is as follows:

when a fire disaster happens, the first expansion sealing element 8 is heated to expand, a gap between the first end wall 5 and the door leaf 1 is sealed, smoke is blocked, when high-temperature smoke leaks to the second end wall 6, the second expansion sealing element 10 is heated to expand, the gap between the second end wall 6 and the door leaf 1 is sealed for the second time, and the situation that the smoke leaks is reduced;

baffle 17 and the laminating of door frame 2 end wall, third inflation sealing member 18 are inserted in joint groove 20, and third inflation sealing member 18 is heated the inflation, with the gap complete shutoff between baffle 17 and the door frame 2, improves fire door's the cigarette performance that separates.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, 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 prevent fire door fast at a distance from cigarette, includes door leaf (1), door frame (2) and fire prevention hinge (3), door leaf (1) rotates through fire prevention hinge (3) and connects on door frame (2), door leaf (1) includes framework (12) of two mainboard (11) and curb plate section bar, framework (12) inside is close to both ends curb plate department and is equipped with skeleton (13), framework (12) intussuseption is filled with refractory material (14), its characterized in that: be equipped with caulking groove (4) on door frame (2), caulking groove (4) inner wall includes first end wall (5) and second end wall (6), first recess (7) have been seted up on first end wall (5), be equipped with first inflation sealing member (8) in first recess (7), second recess (9) have been seted up on second end wall (6), be equipped with second inflation sealing member (10) in second recess (9).

2. A rapid smoke proof fire door as claimed in claim 1 further characterised in that: when the fireproof door is closed, one side, close to the fireproof hinge (3), of the door leaf (1) is embedded into the caulking groove (4), a reserved space (15) is formed between the door leaf (1) and the door frame (2), and a plugging assembly (16) for plugging the entrance of the reserved space (15) is arranged on the door leaf (1).

3. A rapid smoke proof fire door as claimed in claim 2 further characterised in that: the blocking assembly (16) comprises a baffle (17) arranged on a main board (11) of the door leaf (1), fireproof paint is coated on the peripheral wall of the baffle (17), and when the fireproof door is closed, the baffle (17) is attached to the end face of the door frame (2) and blocks the entrance of the reserved space (15).

4. A rapid smoke proof fire door as claimed in claim 3 wherein: keep away from mainboard (11) one end on baffle (17) and be equipped with third inflation sealing member (18), be equipped with butt joint board (19) on door frame (2), joint groove (20) have been seted up on butt joint board (19), third inflation sealing member (18) and joint groove (20) cooperation joint.

5. A rapid smoke proof fire door as claimed in claim 4 further characterised in that: the edge of the clamping groove (20) is provided with an arc-shaped chamfer (21).

6. A rapid smoke proof fire door as claimed in claim 1 further characterised in that: and a heat conduction groove (22) is formed in the second end wall (6) of the door frame (2), and the heat conduction groove (22) penetrates through the end wall of the door frame (2).

7. A rapid smoke proof fire door as claimed in claim 6 wherein: the heat conducting grooves (22) are uniformly arranged on the second end wall (6) along the vertical direction.

8. A rapid smoke proof fire door as claimed in claim 7 further characterised in that: the door frame (2) is tightly attached to the wall (23).