CN217206151U - Double-layer glass bridge-cut-off aluminum fireproof window - Google Patents

Abstract

The utility model discloses a double-layer glass bridge cut-off aluminum fireproof window, which comprises a bridge cut-off section window frame and a bridge cut-off section window sash, wherein fireproof glass is fixed in the bridge cut-off section window sash, a first steel lining is fixedly arranged on the inner wall of a section cavity on one side of the fire receiving surface of the bridge cut-off section window sash, a second steel lining is fixedly arranged on the inner wall of the section cavity on one side of the fire receiving surface of the bridge cut-off section window sash, a ceramic fiber high-temperature resistant fireproof sliver is fixedly connected around the fire receiving surface and the back fire surface of the fireproof glass through flame retardant sealant, and one side of the ceramic fiber high-temperature resistant fireproof sliver, which is far away from the fireproof glass, is fixedly connected with the window sash through the flame retardant sealant; the inner cavities of the first steel lining and the second steel lining are respectively provided with a first fireproof expansion sealing element, and the inner walls of other section cavities of the bridge-cut-off section window frame and the bridge-cut-off section window sash which are not provided with the steel lining are also provided with a second fireproof expansion sealing element. The utility model provides a double glazing bridge cut-off aluminium fire window has excellent tolerance intensity and fire behavior.

Description

Double-layer glass bridge-cut-off aluminum fireproof window

Technical Field

The utility model belongs to the technical field of the fire window, concretely relates to double glazing bridge cut-off aluminium fire window.

Background

The bridge-cut-off aluminum is called thermal insulation bridge-cut-off aluminum profile, thermal insulation aluminum alloy profile, bridge-cut-off aluminum alloy, cold and hot bridge-cut-off profile, bridge-cut-off aluminum plastic composite profile, and the domestic fireproof window has two major categories: one is a fire window which not only maintains integrity for a prescribed time but also has a heat insulating function; another is a fire window that maintains integrity for a prescribed time but does not have a heat insulating function, and both of these types of fire windows can be used for exterior wall windows in terms of a fire preventing function.

In the national standard GB/T38252 and 2019, namely the method for testing the fire resistance integrity of building doors and windows, the requirement on the fire window is that the fire window can bear more than one hour in a standard fire scene, and the structure of the fire window is not damaged. According to the temperature rise curve of the standard fire scene, the environmental temperature in the standard fire scene can reach 1000 ℃, and the melting point of the common bridge-cut aluminum alloy is about 660 ℃, so that the fire-resistant requirements of the fire-resistant door window can not be met only by the fire-resistant window consisting of the common bridge-cut aluminum alloy. In daily life, once a fire disaster occurs, the temperature of a fire scene is often rapidly increased to be more than 660 ℃, so that the fire window only made of common bridge-cut-off aluminum alloy cannot effectively protect lives and properties.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving one of the technical problems in the related art at least to a certain extent. Therefore, the utility model discloses a main aim at provides a bridge cut-off aluminium outwards opens and hangs fire window from top to bottom, aims at solving current bridge cut-off aluminium's fire window intensity and the not good enough problem of fire behavior.

The utility model aims at realizing through the following technical scheme:

a double-layer glass bridge-cut-off aluminum fireproof window comprises a bridge-cut-off section window frame and a bridge-cut-off section window sash, wherein the bridge-cut-off section window sash comprises a fixed window sash and a movable window sash, the movable window sash is arranged on two sides of the upper part of the bridge-cut-off section window sash and is hinged with the bridge-cut-off section window sash through a fireproof hinge, fireproof glass is fixed in the bridge-cut-off section window sash, a first steel lining is fixedly arranged on the inner wall of a section cavity on one side of a fire-receiving surface of the bridge-cut-off section window frame, a second steel lining is fixedly arranged on the inner wall of the section cavity on one side of the fire-receiving surface of the bridge-cut-off section window sash, a ceramic fiber high-temperature-resistant fireproof cotton sliver is fixedly connected to the fire-receiving surface and the fire-back surface of the fireproof glass through flame-retardant sealant, and one side of the ceramic fiber high-temperature-resistant fireproof cotton sliver, far away from the fireproof glass, is fixedly connected with the window sash through the flame-retardant sealant; and the inner cavities of the first steel lining and the second steel lining are both provided with first fireproof expansion sealing elements, and the inner walls of other section cavities of the bridge-cut section window frame and the bridge-cut section window sash which are not provided with the steel lining are also provided with second fireproof expansion sealing elements.

Preferably, a third fire-proof expansion sealing element is further arranged between the bridge-cut-off profile window frame and the bridge-cut-off profile window sash, the third fire-proof expansion sealing element is provided with a tenon, and tenon grooves matched with the tenons are formed in the bridge-cut-off profile window frame and the bridge-cut-off profile window sash.

Preferably, the bridge-cut-off profile window frame and the bridge-cut-off profile window sash are both made of aluminum alloy profiles with the thickness of 1.4mm, and the first steel lining and the second steel lining are both made of cold-rolled galvanized steel sheets with the thickness of 0.8 mm.

Preferably, the periphery of the fire-receiving surface and the fire-backing surface of the fireproof glass is at an interval of 400-600mm, and is also fixedly connected with an L-shaped glass fixing block, and the glass fixing block passes through a ceramic fiber high-temperature-resistant fireproof cotton strip through a screw to be fixedly connected to the inner side of the bridge cut-off section sash and is close to the edge of the fireproof glass.

Preferably, wherein fire prevention glass includes toughened glass layer and the non-thermal-insulated type fire prevention glass layer that the interval set up, form the air bed between toughened glass layer and the non-thermal-insulated type fire prevention glass layer, toughened glass layer and non-thermal-insulated type fire prevention glass layer thickness are 6mm, the thickness of air bed is 12 mm.

Preferably, the first fire-proof expansion sealing element, the second fire-proof expansion sealing element and the third fire-proof expansion sealing element are all structured as follows: the high-temperature expansion silica gel strip comprises a high-temperature expansion silica gel strip, wherein a sealed cavity is formed inside the high-temperature expansion silica gel strip, and a fireproof expansion graphite layer is fixedly arranged inside the sealed cavity.

Preferably, a window sash opening and closing device is arranged on the movable fan; and under the condition that the ambient temperature reaches the preset temperature, the window sash opening and closing device controls the movable fan to be closed.

Compared with the prior art, the utility model discloses at least, following advantage has:

the utility model provides a double glazing bridge cut-off aluminium fire window, through fixedly being provided with the first steel lining on the section bar cavity inner wall on one side of the face of receiving fire of bridge cut-off section bar window frame, fixedly being provided with the second steel lining on the section bar cavity inner wall on one side of the face of receiving fire of bridge cut-off section bar casement, make this fire window have better tolerance intensity, through all fixedly connecting with the high temperature resistant fire prevention silver of ceramic fibre through fire-retardant sealant around the face of receiving fire and the face of backing fire of this fire prevention glass simultaneously, and the high temperature resistant fire prevention silver of ceramic fibre is kept away from one side of fire prevention glass and is fixedly connected with the casement through fire-retardant sealant; the inner cavities of the first steel lining and the second steel lining are respectively provided with a first fireproof expansion sealing element, and the inner walls of other section cavities of the bridge-cut section window frame and the bridge-cut section window sash which are not provided with the steel lining are also provided with a second fireproof expansion sealing element;

drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, 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 the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the bridge-cut-off aluminum outward-opening top-hung fire window provided by the present invention;

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

FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 1;

fig. 4 is a schematic cross-sectional view of C-C in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example 1

As shown in fig. 1-4, a double-layer glass bridge-cut-off aluminum fireproof window comprises a bridge-cut-off section window frame 1 and a bridge-cut-off section window sash 2, wherein the bridge-cut-off section window frame 1 and the bridge-cut-off section window sash 2 are both formed by aluminum alloy sections with the thickness of 1.4 mm; the broken bridge section window sash 2 comprises a fixed sash and a movable sash, the movable sash is arranged on two sides of the upper part of the broken bridge section window sash 2 and is hinged with the broken bridge section window sash 2 through a fireproof hinge 3, fireproof glass 3 is fixed in the broken bridge section window sash 2, a first steel lining 11 is fixedly arranged on the inner wall of a section cavity on one side of a fire receiving surface of the broken bridge section window sash 1, a second steel lining 21 is fixedly arranged on the inner wall of the section cavity on one side of the fire receiving surface of the broken bridge section window sash 2, and the first steel lining 11 and the second steel lining 21 are both formed by cold-rolled galvanized steel plates with the thickness of 0.8 mm; the periphery of the fire-receiving surface and the periphery of the back fire surface of the fireproof glass 4 are fixedly connected with a ceramic fiber high-temperature resistant fireproof cotton strip 5 through flame-retardant sealant, and one side, away from the fireproof glass 4, of the ceramic fiber high-temperature resistant fireproof cotton strip 5 is fixedly connected with the window sash 2 through the flame-retardant sealant, wherein the flame-retardant sealant is made of flame-retardant silicon rubber materials; the inner cavities of the first steel lining 11 and the second steel lining 21 are respectively provided with a first fireproof expansion sealing piece 61, and the inner walls of other section cavities of the bridge-cut section window frame 1 and the bridge-cut section window sash 2 which are not provided with the steel lining are also provided with a second fireproof expansion sealing piece 62.

The ceramic fiber high temperature resistant fireproof cotton strip is special high temperature resistant fireproof cotton strip for fireproof door and window and is made of ceramic fiber paper with temperature resistance of 1260 ℃. The high-temperature-resistant fireproof cotton strip is a high-temperature sealing strip made of various materials such as ceramic fibers and the like, has the characteristics of excellent heat insulation, softness and compressibility, can protect corners of fireproof glass, and is mainly applied to fire prevention, heat insulation and sealing of fireproof doors and windows below 1200 ℃, so that the bridge-cut-off aluminum fireproof window made of the material has excellent fire resistance and fire resistance.

Wherein still be provided with third fire prevention inflation sealing member 63 between bridge cut-off section bar window frame 1 and the bridge cut-off section bar casement 2, third fire prevention inflation sealing member 63 is provided with the tenon, is provided with the tenon groove with tenon assorted on bridge cut-off section bar window frame 1 and the bridge cut-off section bar casement 2. When meetting the conflagration, the expansion of the third fire prevention expansion seal piece between bridge cut-off section bar window frame and the bridge cut-off section bar casement is stifled full with the gap between bridge cut-off section bar window frame and the bridge cut-off section bar casement, effectively completely cuts off the circulation of air between two spaces in the certain time, and the effectual early dense cigarette of conflagration of having avoided, toxic gas and steam are to the harm of human body and control the intensity of a fire and extend, and then have improved the fire-resistant stability and the fire behavior of this fire prevention window.

Preferably, in another preferred technical solution of this embodiment, an L-shaped glass fixing block (not shown in the figure) is further fixedly connected to the periphery of the fire-receiving surface and the fire-back surface of the fire-proof glass 4 at an interval of 400-600mm, and the glass fixing block is fixedly connected to the inner side of the bridge-cut-off profile sash and near the edge of the fire-proof glass by passing through a ceramic fiber high-temperature-resistant fire-proof cotton sliver through a screw.

Preferably, in another preferred technical solution of this embodiment, the fire-proof glass 4 includes a tempered glass layer 41 and a non-heat-insulation type fire-proof glass layer 42 which are arranged at an interval, an air layer 43 is formed between the tempered glass layer 41 and the non-heat-insulation type fire-proof glass layer 42, the thicknesses of the tempered glass layer 41 and the non-heat-insulation type fire-proof glass layer 42 are both 6mm, and the thickness of the air layer is 12 mm.

Example 2

On the basis of the embodiment 1, the structures of the first fire-proof expansion sealing piece 61, the second fire-proof expansion sealing piece 62 and the third fire-proof expansion sealing piece 63 are as follows: the high-temperature expansion silica gel strip comprises a high-temperature expansion silica gel strip, wherein a sealed cavity is formed inside the high-temperature expansion silica gel strip, and a fireproof expansion graphite layer is fixedly arranged inside the sealed cavity. The fireproof expansion sealing element with the structure has excellent bonding performance, mechanical strength, fireproof performance and the like, wherein the bonding performance and the mechanical strength ensure the bonding stability of the fireproof expansion sealing element and a base body (a window sash, a window frame and the like); the fire protection ensures the fire protection of the fire-resistant intumescent seal.

The high-temperature expansion silica gel strip is formed by curing an organic silicon rubber material, and the organic silicon rubber has excellent high-temperature resistance and low-temperature resistance, excellent electrical insulation property and chemical stability, good aging resistance, excellent surface activity, hydrophobicity, moisture resistance, physiological inertia and the like. Meanwhile, the organic silicon rubber has less smoke and no toxicity during combustion, low combustion heat value and low flame propagation speed, and is suitable for the requirements of good flame-retardant and fireproof performances on the materials in the aspects of aerospace, electronics, electricity, transmission lines and the like at present. The common method for silicone rubber flame retardance is to add a flame retardant into a high polymer to reduce the surface temperature of a combustion object, dilute the molecular concentration of the combustible object, cut off the supply of oxygen, form a barrier layer on the combustion surface of the silicone rubber, prevent heat energy from being transferred to the silicone rubber in depth and inhibit the temperature from rising to achieve the purpose of flame retardance; and simultaneously this high temperature expansion silica gel strip, high temperature expansion silica gel strip initiative inflation when outbreak of fire disaster, shutoff crack gap, the circulation of air between isolated two spaces, useful early dense cigarette of having avoided the conflagration, toxic gas and steam are to the harm of human body and control the intensity of a fire and extend. The fireproof expansion sealing element has excellent flame retardance, high temperature resistance, weather resistance, mechanical strength and the like, and provides technical support for the sealing fire resistance of the fireproof window; the fireproof expanded graphite layer is arranged in the inner cavity of the high-temperature expanded silica gel strip, so that the problems that the fireproof expanded graphite layer is exposed outside and is easy to break and drop and the like in the using process can be effectively avoided, and the technical support is provided for the performance stability of the fireproof expanded sealing element.

Preferably, in a preferred technical solution of this embodiment, a sash opening and closing device 7 is disposed on the movable sash; and under the condition that the ambient temperature reaches the preset temperature, the window sash opening and closing device 7 controls the movable fan to close. Specifically, when meeting a fire, the movable fan can be automatically closed in time, so that the safety of personnel is guaranteed. Therefore, the window sash opening and closing device is arranged in the embodiment and comprises the heat sensitive element, when the ambient temperature reaches the preset temperature, the heat sensitive element acts, the opened movable fan can be automatically closed through the spring system in the window sash opening and closing device, the movable fan which is opened in case of fire can be automatically closed under the condition that no human intervention exists, and the fire-resistant integrity is ensured. In order to avoid the misoperation of the window sash opening and closing device and simultaneously consider that the movable fan can be closed in time when a fire is sent, in the embodiment, the value range of the preset temperature is preferably 65 ℃ to 75 ℃.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A double-layer glass bridge-cut-off aluminum fireproof window comprises a bridge-cut-off section window frame and a bridge-cut-off section window sash, the broken bridge section bar window sash comprises a fixed sash and movable sashes, the movable sashes are arranged on two sides of the upper part of the broken bridge section bar window sash and are hinged with the broken bridge section bar window sash through fireproof hinges, fireproof glass is fixed in the broken bridge section bar window sash, it is characterized in that a first steel lining is fixedly arranged on the inner wall of the section cavity at one side of the fire receiving surface of the bridge-cut section window frame, a second steel lining is fixedly arranged on the inner wall of the profile cavity at one side of the fire receiving surface of the bridge-cut profile window sash, the fire-resistant surface and the back fire surface of the fireproof glass are all fixedly connected with ceramic fiber high-temperature-resistant fireproof cotton strips through flame-retardant sealant, one side of the ceramic fiber high-temperature-resistant fireproof cotton strip, which is far away from the fireproof glass, is fixedly connected with the window sash through a flame-retardant sealant; and the inner cavities of the first steel lining and the second steel lining are both provided with first fireproof expansion sealing elements, and the inner walls of other section bar cavities of the broken bridge section bar window frame and the broken bridge section bar window sash which are not provided with the steel lining are also provided with second fireproof expansion sealing elements.

2. The double-glazing bridge-cut-off aluminum fireproof window as claimed in claim 1, wherein a third fire expansion sealing element is further arranged between the bridge-cut-off profile window frame and the bridge-cut-off profile window sash, the third fire expansion sealing element is provided with a tenon, and the bridge-cut-off profile window frame and the bridge-cut-off profile window sash are provided with tenon grooves matched with the tenon.

3. The double-glazing bridge-cut-off aluminum fireproof window according to claim 2, wherein the bridge-cut-off profile window frame and the bridge-cut-off profile window sash are both formed by aluminum alloy profiles with the thickness of 1.4mm, and the first steel lining and the second steel lining are both formed by cold-rolled galvanized steel sheets with the thickness of 0.8 mm.

4. The double-layer glass bridge-cut-off aluminum fireproof window as claimed in claim 3, wherein the fire-receiving surface and the back fire surface of the fireproof glass are further fixedly connected with L-shaped glass fixing blocks at intervals of 400 mm and 600mm, and the glass fixing blocks are fixedly connected to the inner side of the bridge-cut-off section sash and close to the edge of the fireproof glass by passing through ceramic fiber high-temperature resistant fireproof cotton strips through screws.

5. The double-layer glass bridge-cut-off aluminum fireproof window according to claim 4, wherein the fireproof glass comprises a toughened glass layer and a non-heat-insulation fireproof glass layer which are arranged at intervals, an air layer is formed between the toughened glass layer and the non-heat-insulation fireproof glass layer, the thickness of the toughened glass layer and the thickness of the non-heat-insulation fireproof glass layer are both 6mm, and the thickness of the air layer is 12 mm.

6. The double-glazing bridge-cut-off aluminum fire window according to claim 5, wherein the first fire-proof intumescent seal, the second fire-proof intumescent seal and the third fire-proof intumescent seal are all structured as follows: the high-temperature expansion silica gel strip comprises a high-temperature expansion silica gel strip, wherein a sealed cavity is formed in the high-temperature expansion silica gel strip, and a fireproof expansion graphite layer is fixedly arranged in the sealed cavity.

7. The double-glazing bridge-cut-off aluminum fireproof window as claimed in claim 6, wherein a window sash opening and closing device is arranged on the movable sash; and under the condition that the ambient temperature reaches the preset temperature, the window sash opening and closing device controls the movable fan to be closed.

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