CN212743820U

CN212743820U - Layering reinforcing section bar for improving fire resistance of doors and windows

Info

Publication number: CN212743820U
Application number: CN201921312661.2U
Authority: CN
Inventors: 刘明鑫; 刘振雷; 胡鑫; 田爱军
Original assignee: Harbin Zhongda Profile Technology Co ltd
Current assignee: Harbin Zhongda Profile Technology Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2021-03-19
Anticipated expiration: 2029-08-12

Abstract

A batten reinforced section for improving the fire resistance of doors and windows relates to a batten reinforced section. The purpose is to solve the problem that the existing door and window sealing strip is poor in fire resistance. The main body of the batten reinforcing profile is a C-shaped groove, the side wall of the C-shaped groove of the batten reinforcing profile is connected with an inclined outer edge, and the upper end surface of the inclined outer edge inclines towards the opening direction of the C-shaped groove; the lower side wall of the C-shaped groove of the batten reinforcing profile is connected with a vertical outer edge; cavities are arranged in the C-shaped groove, the inclined outer edge and the vertical outer edge of the pressing strip reinforcing section bar. The utility model discloses can cover door and window's sealing strip when layering reinforcing section bar uses, realize the protection to the door and window sealing strip. The cavity is used for storing inorganic foaming materials to generate a large amount of foaming products, so that a fireproof and smoke-proof barrier is formed, and the fireproof time of the whole door window is prolonged. The utility model is suitable for an improve door and window fire resistance.

Description

Layering reinforcing section bar for improving fire resistance of doors and windows

Technical Field

The utility model relates to a layering reinforcing section bar.

Background

With the development of social urbanization, the construction industry is developed vigorously, and PVC doors and windows become an essential part of buildings and are generally accepted by consumers. The fire resistance of PVC doors and windows has received much attention in recent years, but technical personnel generally set up fire-resistant materials in the internal cavity of the profile that constitutes the PVC doors and windows, but this kind of setting mode can only play the role of isolating the fire source after the face of the door and window that is the outer surface of the door and window is burned out by fire, that is to say the door and window has already been destroyed before the fire-resistant material that sets up in the internal cavity of the profile plays the role of isolating the fire source, so the whole strength of the door and window has already seriously become low, the fire endurance of the door and window is seriously shortened when encountering a fire.

Generally, sealing strips of PVC doors and windows are formed by extruding PVC, ethylene propylene diene monomer, TPV, TPE, TPR, SEBS, silica gel and other materials, the sealing strips of the doors and windows are nearest to a fire source in the process that the PVC doors and windows are on fire, but the sealing fire resistance of the doors and windows is far lower than that of a PVC door and window main body, so that the first burning loss of the sealing strips of the doors and windows is also a member which should be protected preferentially, but the fire resistance of the existing sealing strips is neglected, and therefore the fire resistance of the PVC doors and windows is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the poor problem of current door and window sealing strip fire resistance, provide an improve layering reinforcing section bar of door and window fire resistance.

The main body of the batten reinforcing section bar for improving the fire resistance of the door and window is a C-shaped groove, the side wall of the C-shaped groove of the batten reinforcing section bar is connected with an inclined outer edge, and the upper end surface of the inclined outer edge inclines towards the opening direction of the C-shaped groove; the lower side wall of the C-shaped groove of the batten reinforcing profile is connected with a vertical outer edge; an upper clamping strip is arranged on the inner surface of the side wall of the C-shaped groove of the pressing strip reinforcing section bar, and a lower clamping strip is arranged on the surface of the opening direction side of the C-shaped groove in the vertical outer edge; cavities are arranged in the C-shaped groove, the inclined outer edge and the vertical outer edge of the pressing strip reinforcing section bar.

The utility model discloses principle and beneficial effect do:

the component that the sealing strip of door and window takes place to burn out at first in the conflagration also is the component that should priority protect, the utility model discloses can cover door and window's sealing strip when layering reinforcing section bar uses, realize the protection to the door and window sealing strip. Meanwhile, a plurality of cavities are formed in the batten reinforcing section bar and used for storing inorganic foaming materials (such as water glass), when a fire disaster happens, the cavities can burn or be damaged in advance of the door and window section bar main body, so that the cavities can be opened, the inorganic foaming materials in the cavities are exposed, and the inorganic foaming materials are directly heated and generate a large amount of foaming products such as the water glass. The foaming product covers the sealing strips of the doors and windows, the adjacent glass and the profiles to form a fireproof and smoke-proof barrier, and the fire-resistant time of the whole doors and windows is prolonged.

Drawings

FIG. 1 is a schematic structural view of a batten reinforcement profile;

FIG. 2 is an enlarged view of a portion a of FIG. 1;

FIG. 3 is a schematic view of a sash profile fitted with a bead reinforcement profile;

FIG. 4 is a schematic view of the foamed product formed by the inorganic foaming material disposed inside the fire-resistant joint strip of FIG. 3 after encountering fire.

The specific implementation mode is as follows:

the technical scheme of the utility model is not limited to the specific implementation modes listed below, and also comprises any reasonable combination between the specific implementation modes.

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, the main body of the novel batten reinforcing profile for improving the fire resistance of the door and window of the embodiment is a C-shaped groove 1, the side wall of the C-shaped groove 1 of the batten reinforcing profile is connected with an inclined outer edge 2, and the upper end surface of the inclined outer edge 2 inclines towards the opening direction of the C-shaped groove 1; the lower side wall of the C-shaped groove 1 of the batten reinforcing profile is connected with a vertical outer edge 3; an upper clamping strip 5 is arranged on the inner surface of the side wall of the C-shaped groove 1 of the pressing strip reinforcing section bar, and a lower clamping strip 6 is arranged on the surface of the vertical outer edge 3 on the opening direction side of the C-shaped groove 1; cavities are arranged in the C-shaped groove 1, the inclined outer edge 2 and the vertical outer edge 3 of the batten reinforcing section bar.

The sealing strip of door and window takes place the component that burns out at first in the conflagration, also is the component that should protect by priority, and the sealing strip that can cover door and window when this embodiment layering reinforcing section bar uses realizes the protection to the door and window sealing strip. Meanwhile, a plurality of cavities are formed in the batten reinforcing section bar, solid water glass is arranged in the cavities, when a fire disaster happens, the cavities can burn or be damaged in advance in the door and window section bar main body, then the cavities can be opened quickly, the water glass in the cavities leaks in a naked mode, and the water glass is directly heated and generates a large amount of foaming products. The foaming product covers the sealing strips of the doors and windows, the adjacent glass and the profiles to form a fireproof and smoke-proof barrier, and the fire-resistant time of the whole doors and windows is prolonged.

FIG. 1 is a schematic structural view of a batten reinforcement profile; in FIG. 1, 4 is an inorganic foaming material in a cavity arranged in a C-shaped groove 1, an inclined outer edge 2 and a vertical outer edge 3 of a batten reinforcing profile; FIG. 2 is an enlarged view of a portion a of FIG. 1; FIG. 3 is a schematic view of a sash profile fitted with a bead reinforcement profile; FIG. 4 is a schematic view of the fire-resistant joint strip of FIG. 3 with inorganic foaming material (water glass) therein forming a foaming product after the fire is met. As can be seen from figure 4, the cavities arranged in the C-shaped groove 1, the inclined outer edge 2 and the vertical outer edge 3 of the batten reinforcing profile are open after fire, and the water glass is heated and generates a large amount of foaming products. The foaming product covers the sealing strips of the doors and windows, and the adjacent glass and the profiles, so that the fireproof and smoke-proof barrier function is realized, and the fireproof time of the whole doors and windows is prolonged.

For example, water glass can be used as the inorganic foaming material, and the density of the water glass is 1.4g/cm³The modulus (molar ratio of silicon oxide to alkali metal oxide) was 3.2; the commercially available water glass is used as an adhesive, after the C-shaped groove 1, the inclined outer edge 2 and the vertical outer edge 3 of the batten reinforcing section bar are filled with liquid water glass, the liquid water glass can be solidified by standing at normal temperature and also can be solidified by a drying mode, more free water still exists in the solidified water glass, the solidified water glass is softened and simultaneously vaporized when the ambient temperature reaches 200 ℃, porous foamed water glass is formed, and the volume of the water glass hardened before and after foaming can be adjusted to be larger than that of the water glassCan be increased by 5 to 20 times, and the obtained foaming material is Na₂SiO₃Belongs to a non-combustible material and has a fireproof function. The liquid water glass is sodium water glass.

The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: the upper clamping strip 5 and the lower clamping strip 6 are respectively arranged in clamping grooves on the surface of the PVC door and window profile. Other steps and parameters are the same as in the first embodiment.

The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: the cross sections of cavities arranged in the C-shaped groove 1, the inclined outer edge 2 and the vertical outer edge 3 of the batten reinforcing section bar are strip-shaped. Other steps and parameters are the same as in the first or second embodiment.

The fourth concrete implementation mode: the third difference between the present embodiment and the specific embodiment is that: the thickness of the side wall of the cavity formed in the C-shaped groove 1, the inclined outer edge 2 and the vertical outer edge 3 of the pressing strip reinforcing section bar is 1-1.5 mm. Other steps and parameters are the same as those in the third embodiment. The thickness of the lateral wall of cavity is 1 ~ 1.5mm, and this thickness is far less than the thickness of door and window section bar main part commonly used, can take place burning or damage in the conflagration in-process earlier than door and window section bar main part, and then can make the cavity open fast, and the naked sodium silicate that spills in the cavity. Fig. 2 is an enlarged view of fig. 1 at a, in which the solid water glass is not disposed, and h is a thickness of a sidewall of the cavity.

The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: the inclination angle of the inclined outer edge 2 relative to the vertical outer edge 3 is 45-50 degrees. Other steps and parameters are the same as in one of the first to fourth embodiments.

Claims

1. The utility model provides an improve layering reinforcing section bar of door and window fire resistance which characterized in that: the main body of the batten reinforcing profile is a C-shaped groove (1), the side wall of the C-shaped groove (1) of the batten reinforcing profile is connected with an inclined outer edge (2), and the upper end face of the inclined outer edge (2) inclines towards the opening direction of the C-shaped groove (1); the lower side wall of a C-shaped groove (1) of the batten reinforcing profile is connected with a vertical outer edge (3); an upper clamping strip (5) is arranged on the inner surface of the side wall of the C-shaped groove (1) of the pressing strip reinforcing section bar, and a lower clamping strip (6) is arranged on the surface of the vertical outer edge (3) on the opening direction side of the C-shaped groove (1); cavities are arranged in the C-shaped groove (1), the inclined outer edge (2) and the vertical outer edge (3) of the batten reinforcing section bar.

2. The batten reinforcing profile for improving fire resistance of doors and windows according to claim 1, wherein: the upper clamping strip (5) and the lower clamping strip (6) are respectively arranged in clamping grooves on the surface of the PVC door and window profile.

3. The batten reinforcing profile for improving fire resistance of doors and windows according to claim 1, wherein: the cross sections of the cavities arranged in the C-shaped groove (1), the inclined outer edge (2) and the vertical outer edge (3) are strip-shaped.

4. The batten reinforcing profile for improving fire resistance of doors and windows according to claim 3, wherein: the thickness of the side wall of the cavity arranged in the C-shaped groove (1), the inclined outer edge (2) and the vertical outer edge (3) is 1-2 mm.

5. The batten reinforcing profile for improving fire resistance of doors and windows according to claim 1, wherein: the inclination angle of the inclined outer edge (2) relative to the vertical outer edge (3) is 45-50 degrees.