CN212743789U

CN212743789U - Door and window with fire resistance

Info

Publication number: CN212743789U
Application number: CN202020711407.6U
Authority: CN
Inventors: 李迎杰; 张述君; 蔺司宇; 管磊
Original assignee: Beijing Kaitai Steel & Wood Products Co ltd
Current assignee: Beijing Kaitai Lvjian Engineering Technology Co.,Ltd.
Priority date: 2020-05-05
Filing date: 2020-05-05
Publication date: 2021-03-19
Anticipated expiration: 2030-05-05

Abstract

The utility model discloses a door and window with fire resistance, including casement section bar and window frame section bar, the contact gap department of casement section bar and window frame section bar is provided with and separates high temperature subassembly, separate high temperature subassembly include with casement section bar integrated into one piece's draw-in groove and with window frame section bar integrated into one piece's packing seal groove, the block has fire prevention expansion strip b in the draw-in groove. According to the door and window with fire resistance, the fireproof expansion strip c is arranged, when a fire disaster happens to the inner side or the outer side of the door and window, a gap is reserved at a bursting position, the fireproof expansion strip c is expanded and stuck on undamaged glass and a bracket, the bursting position of the glass is filled, and the glass is equal to the thickness of hollow glass, so that the glass is fixed; the fire-proof expansion strip a is full of carbon foam formed by thermal expansion, so that the heat is slowed down to be transferred to the other one, and meanwhile, the phenomenon that other internal parts are melted by the heat of smoke due to the fact that the smoke flows in the sound-proof cavity is avoided.

Description

Door and window with fire resistance

Technical Field

The utility model relates to a door and window technical field specifically is a door and window with fire resistance.

Background

With the rise of modern buildings, national building design fire protection code (GB/T-50016) puts a mandatory requirement on the fire resistance integrity of exterior wall doors and windows with B-level heat preservation. Wherein the fire-resistant integrity of the building external door and window can reach more than 0.5 hour and the refuge door and window can reach more than 1 hour. In case of fire, the condition can be divided into that the objects in the wall are on fire or the heat insulation materials outside the wall are on fire, and the door and the window play an important role as the objects for indoor and outdoor isolation. However, in practical experiments, it is found that under the influence of high temperature, the glass facing the fire surface explodes first, and then a gap appears at the frame, so that the glass on the other side topples over and is easily cracked at the same time. Meanwhile, hot smoke flows in the sound insulation cavity, so that the whole door and window are easily melted at the same time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door and window with fire resistance to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a door and window with fire resistance comprises a sash profile and a window frame profile, wherein the sash profile is provided with glass, sealant is thermally fused in a gap between the glass and the sash profile, sound insulation cavities are respectively arranged inside the sash profile and the window frame profile, a support groove is sleeved at the bottom of the glass, and a fireproof expansion strip c is arranged between the support groove and the glass;

the window sash profile and the window frame profile are provided with a high-temperature isolating assembly at a contact gap, the high-temperature isolating assembly comprises a clamping groove and a filling sealing groove, the clamping groove is integrally formed with the window sash profile, a fireproof expansion strip b is clamped in the clamping groove, and the fireproof expansion strip b protrudes out of the clamping groove.

Preferably, the inner cavity of the sound insulation cavity is provided with a fireproof expansion strip a.

Preferably, the corners of the sash profile or the frame profile are provided with L-shaped fireproof expansion strips.

Preferably, a rubber pad is arranged in the bracket, and the glass is seated on the rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that: according to the door and window with the fire resistance, the fireproof expansion strip c is arranged, so that when a fire disaster happens to the inner side or the outer side of the door and window, after tempered glass is burst after an aluminum alloy section bar facing to the fire surface is prevented from melting, a gap is reserved at the burst position, the fireproof expansion strip c is expanded and adhered to undamaged glass and a bracket, the burst position of the glass is filled, and the glass is equal to the thickness of hollow glass at the moment, so that the glass is fixed; the fireproof expansion strip a is filled in the sound insulation cavity by carbon foam formed by thermal expansion, so that the heat is slowed down to be transferred to the other sound insulation cavity, and the other internal parts are prevented from being melted by the heat of smoke due to the flow of the smoke in the sound insulation cavity; the fireproof expansion strips b are preheated, expanded and moved outwards, and directly enter the filling sealing grooves at the bottom, so that the contact gaps of the window sash section bars and the window frame section bars are sealed, and high temperature is prevented from being transferred to the other side.

Drawings

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

fig. 2 is the structural schematic diagram of the L-shaped fire-proof expansion strip of the present invention.

In the figure: 1. the window sash profile comprises a window sash profile 2, a sound insulation cavity 3, fireproof expansion strips a and 4, a clamping groove 5, fireproof expansion strips b and 6, a filling sealing groove 7, a window frame profile 8, glass 9, sealant 10, fireproof expansion strips c and 11, a bracket 12, a rubber pad 13 and an L-shaped fireproof expansion strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a door and window with fire resistance comprises a window sash profile 1 and a window frame profile 7, wherein the window sash profile 1 is provided with glass 8, sealant 9 is hot-melted at a gap between the glass 8 and the window sash profile 1, a bracket 11 is sleeved at the bottom of the glass 8, a fireproof expansion strip c10 is arranged between the bracket 11 and the glass 8, and through the arrangement of the fireproof expansion strip c10, when fire breaks out at the inner side or the outer side of the door and window, the tempered glass is prevented from bursting after the aluminum alloy section bar facing to the fire melts, a gap is left at the burst position, the fireproof expansion strip c10 is expanded and stuck on the undamaged glass and the bracket 11 to fill the burst position of the glass, the glass is equal to the thickness of hollow glass, thereby fixing the glass, a rubber pad 12 is arranged in the bracket 11, the glass 8 is seated on the rubber pad 12, when the glass bursts, the vibration force is transmitted to the rubber pad 12, so that the vibration force is reduced, and the glass on the other side is prevented from being directly broken by vibration;

the sound insulation cavities 2 are arranged in the sash profile 1 and the window frame profile 7, the fireproof expansion strips a3 are arranged in the inner cavities of the sound insulation cavities 2, and the fireproof expansion strips a3 are arranged in the sound insulation cavities 2, so that in the case of fire, the fireproof expansion strips a3 fill the sound insulation cavities 2 with carbon foam formed by thermal expansion, the heat is slowed down to be transferred to the other part, and the phenomenon that other internal parts are melted by the heat of smoke due to the flow of the smoke in the sound insulation cavities 2 is avoided;

the contact gap between the window sash profile 1 and the window frame profile 7 is provided with a high-temperature isolating assembly, the high-temperature isolating assembly comprises a clamping groove 4 integrally formed with the window sash profile 1 and a filling sealing groove 6 integrally formed with the window frame profile 7, a fireproof expansion strip b5 is clamped in the clamping groove 4, and a fireproof expansion strip b5 protrudes out of the clamping groove 4, it needs to be noted that the protruding part of the fireproof expansion strip b5 is higher than the top surface part of the filling sealing groove 6, namely the fireproof expansion strip b5 and the filling sealing groove are not in contact with each other, so that the normal opening and closing of the window sash profile 1 are ensured, and by adopting the design, when a fire disaster happens, the fireproof expansion strip b5 preheats, expands and moves outwards and directly enters the filling sealing groove 6 at the bottom, so that the contact gap between the;

the corner of casement section bar 1 or window frame section bar 7 all is provided with L shape fire prevention expansion strip 13, through setting up L shape fire prevention expansion strip 13, when the conflagration breaing out, fire prevention expansion strip a3 meets the carbon foam that thermal expansion formed and is full of the intercommunication position of corner, when slowing down the heat and to another section bar transmission, has avoided smog to flow in the section bar and has leaded to other inside positions to receive the heat of smog and melt.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a door and window with fire resistance, includes casement section bar (1) and window frame section bar (7), be provided with glass (8) on casement section bar (1), glass (8) have sealed glue (9) with the gap department heat of casement section bar (1), the inside of casement section bar (1) and window frame section bar (7) all is provided with sound insulation chamber (2), its characterized in that: a bracket (11) is sleeved at the bottom of the glass (8), and a fireproof expansion strip c (10) is arranged between the bracket (11) and the glass (8);

the window sash section bar is characterized in that a high-temperature separation assembly is arranged at a contact gap between the window sash section bar (1) and the window frame section bar (7), the high-temperature separation assembly comprises a clamping groove (4) formed integrally with the window sash section bar (1) and a filling sealing groove (6) formed integrally with the window frame section bar (7), a fireproof expansion strip b (5) is clamped in the clamping groove (4), and the fireproof expansion strip b (5) protrudes out of the clamping groove (4).

2. A fire resistant door or window according to claim 1, wherein: and the inner cavity of the sound insulation cavity (2) is provided with a fireproof expansion strip a (3).

3. A fire resistant door or window according to claim 1, wherein: l-shaped fireproof expansion strips (13) are arranged at the corners of the sash profile (1) or the window frame profile (7).

4. A fire resistant door or window according to claim 1, wherein: a rubber pad (12) is arranged in the bracket (11), and the glass (8) is seated on the rubber pad (12).