CN221002516U - Large-corner fireproof smoke-proof sealing structure - Google Patents

Abstract

The utility model discloses a large-corner fireproof and smoke-proof sealing structure, which comprises a sealing assembly, wherein the sealing assembly is arranged between a door frame body and a door leaf, and consists of sealing rubber strips which are symmetrically and fixedly connected to the outer wall of one side of the door leaf and two grooves which are arranged on the outer wall of one side of the door frame body, which is right corresponding to the two sealing rubber strips, in the direction; the two sealing rubber strips are respectively arranged on the inner walls of the two grooves; the outer surfaces of the sealing rubber strips, which are in the range of the inner wall of the groove, are provided with anti-slip protrusions which are integrally arranged with the sealing rubber strips; the grooves are of a groove type structure with wide inner part and narrow outer part. The door leaf sealing rubber strip is firm in installation and not easy to fall off, the door leaf is tightly contacted with the door leaf, the door leaf is compressed to seal the two sides of the door leaf in a gapless manner, double sealing is realized between the door leaf and the door frame body, sealing and fireproof and smoke-proof effects are greatly improved, and fireproof requirements are met to the greatest extent.

Description

Large-corner fireproof smoke-proof sealing structure

Technical Field

The utility model relates to the technical field of door frames, in particular to a large-corner fireproof smoke-proof sealing structure.

Background

Among the various disasters, fire is one of the most frequent and most widespread major disasters threatening public safety and social development, mainly the fact that combustibles and oxidants react with an oxidative exothermic reaction, usually accompanied by light, smoke or flame, and thus smoke prevention during fire is very important. At present, the smoke propagation speed is high, and the smoke can often spread indoors when the gaps of doors and windows are not completely blocked, so that normally, a flat-open fireproof door is arranged at a place where people often pass in a high-rise civil building, the flat-open fireproof door has the functions of a common door, the functions of preventing fire spreading and smoke spreading are further realized, the fire spreading can be prevented within a certain time, and the people are ensured to be evacuated.

Through retrieving, chinese patent application No. 202020796938. X's patent discloses a prevent fire door with smoke protection sealing strip and seal structure thereof, and its technical essential is: the utility model provides a prevent fire door with smoke protection sealing strip, includes joint portion and elastic part, joint portion and elastic part adopt heat-resisting material to make, elastic part and joint portion's outer wall connection. The smoke-proof sealing strip for the fireproof door in the patent and the sealing structure thereof have the following defects: sealing member between flat-open fire door leaf and the door frame sets up to unilateral seal structure, and sealed effect and fire behavior are not good, in case take place the condition of a fire to can not effectively isolate the source of a fire and cause personal and property loss easily.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a large-corner fireproof smoke-proof sealing structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a big corner fire prevention smoke protection seal structure, includes seal assembly, seal assembly sets up between door frame body and door leaf, seal assembly is by being symmetrical fixed connection in the joint strip of door leaf one side outer wall, two recesses that set up in door frame body just correspond two joint strip direction one side outer walls.

As still further aspects of the utility model: the two sealing rubber strips are respectively arranged on the inner walls of the two grooves.

As still further aspects of the utility model: the outer surface of the sealing rubber strip in the range of the inner wall of the groove is provided with anti-slip protrusions which are integrally arranged with the sealing rubber strip.

As still further aspects of the utility model: the grooves are of a groove type structure with wide inner part and narrow outer part.

As still further aspects of the utility model: the anti-slip protrusions are in a cone shape.

Compared with the prior art, the utility model provides a large-rotation-angle fireproof smoke-proof sealing structure, which has the following beneficial effects:

1. This big corner fire prevention smoke protection seal structure, through set up seal assembly between door frame body and door leaf, joint strip inlays in the recess on the door frame body, not only installs firmly and is difficult for droing, and its AND gate fan in close contact moreover to door leaf compression joint strip can realize the zero clearance seal to the door fan both sides, realizes dual seal between door leaf and door frame body, and very big degree improves sealed and fire prevention smoke protection effect, and the furthest satisfies the fire prevention requirement.

2. This big corner fire prevention smoke protection seal structure, door leaf compression joint strip can realize the zero clearance seal to the door leaf both sides, when the door leaf was rotatory to open the multi-angle, can carry out the shutoff to the gap between door leaf and the door frame body through joint strip homoenergetic, when taking place the condition of a fire, can effectively keep off the firework and get into indoor, and fire behavior is higher.

3. This big corner fire prevention smoke protection seal structure, the non-slip raised embedding corresponds in the recess, through the protruding and the inside wide outside narrow recess effect of awl shape, can make joint strip position accuracy, spacing firm and be difficult for droing after the installation, supplementary make realize gapless seal between door leaf and the door frame body.

Drawings

FIG. 1 is a schematic diagram of the overall top view structure of a large-angle fire-proof and smoke-proof sealing structure according to the present utility model;

fig. 2 is a schematic top view of a door frame body with a large-angle fireproof and smoke-proof sealing structure according to the present utility model;

FIG. 3 is a schematic diagram of the connection state of a groove and a sealing rubber strip of the large-angle fireproof and smoke-proof sealing structure;

fig. 4 is a schematic diagram of a door leaf rotating open-close 90-degree state structure of a large-angle fireproof smoke-proof sealing structure provided by the utility model.

In the figure: 1 door frame body, 101 recess, 2 joint strip, 201 non-slip bulge, 3 door axles, 4 door leaves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

The large-corner fireproof smoke-proof sealing structure comprises a door frame body 1, wherein a door shaft 3 is fixed on the outer wall of one side of the door frame body 1 through bolts, and a door leaf 4 is rotatably matched with the outer wall of the door shaft 3;

Preferably, the number of the door frame bodies 1 can be two, and the number of the door leaves 4 is the same as the number of the door frame bodies 1; the door leaf 4 is connected through the door shaft 3, so that the door leaf 4 can be opened and closed at multiple angles, and the use is convenient.

Further preferably, the door frame body 1 may have an inverted U-shaped structure, and the number of the door leaves 4 is two, and the door leaves are respectively disposed on a corresponding side surface of the door frame body 1;

working principle: the door leaf 4 is connected through the door shaft 3, so that the door leaf 4 can be opened and closed at multiple angles.

Example 2

As shown in fig. 1-4, a large-corner fireproof smoke-proof sealing structure is provided for ensuring tightness between a door frame body 1 and a door leaf 4; the sealing assembly is formed by symmetrically welding sealing rubber strips 2 on the outer wall of one side of the door leaf 4 and two grooves 101 formed on the outer wall of one side of the door frame body 1, which corresponds to the two sealing rubber strips 2, and the two sealing rubber strips 2 are respectively inlaid in the inner walls of the two grooves 101; the joint strip 2 is inlayed in recess 101 on door frame body 1, not only the installation is firm be difficult for droing, and its and door leaf 4 in close contact with moreover, and door leaf 4 compression joint strip 2, can realize the zero clearance seal to door leaf 4 both sides, when door leaf 4 rotatory multi-angle of opening, can seal the gap between door leaf 4 and door frame body 1 through joint strip 2 homoenergetic, greatly improve sealed and fire prevention smoke protection effect, the furthest satisfies the fire prevention requirement, when taking place the condition of a fire, can effectively keep off the firework and get into indoor, fire behavior is higher.

Preferably, the groove 101 has a groove structure with wide inside and narrow outside, as shown in fig. 2-3;

Further, the outer surfaces of the two sealing rubber strips 2 in the range of the inner wall of the groove 101 are respectively provided with a non-slip protrusion 201 which is integrally arranged with the sealing rubber strips 2;

Preferably, the stud 201 is cone-shaped; the anti-slip protrusion 201 is embedded into the corresponding groove 101, and the anti-slip protrusion 201 with a conical shape and the groove 101 with a wide inner side and a narrow outer side are used, so that the sealing rubber strip 2 is accurate in position, firm in limiting and not easy to fall off after being installed, and the door frame body 1 is assisted to realize gapless sealing between the door leaf 4 and the door frame body 1.

Working principle: the sealing rubber strip 2 is inlaid in the groove 101 on the door frame body 1, so that the door is firmly installed and is not easy to fall off, the door is tightly contacted with the door leaf 4, the door leaf 4 compresses the sealing rubber strip 2, no-gap sealing on two sides of the door leaf 4 can be realized, and when the door leaf 4 is rotated to open at multiple angles, gaps between the door leaf 4 and the door frame body 1 can be plugged through the sealing rubber strip 2.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides a big corner fire prevention smoke protection seal structure, includes seal assembly, seal assembly sets up between door frame body (1) and door leaf (4), its characterized in that, seal assembly is by being symmetrical fixed connection in joint strip (2) of door leaf (4) one side outer wall, two recess (101) that set up in door frame body (1) just correspond two joint strip (2) direction one side outer walls.

2. The large-rotation-angle fireproof smoke-proof sealing structure according to claim 1, wherein the two sealing rubber strips (2) are respectively arranged on the inner walls of the two grooves (101).

3. The large-rotation-angle fireproof smoke-proof sealing structure according to claim 2, wherein the outer surfaces of the sealing rubber strips (2) in the range of the inner walls of the grooves (101) are provided with anti-slip protrusions (201) which are integrally arranged with the sealing rubber strips (2).

4. A large-angle fire and smoke protection sealing structure according to claim 3, characterized in that the groove (101) is in a groove type structure with wide inside and narrow outside.

5. The large corner fire and smoke seal according to claim 4, wherein said stud (201) is tapered.