CN217269830U - Bridge cut-off aluminium out-opening top-hung fire window - Google Patents

Abstract

The utility model discloses a bridge cut-off aluminium external-open top-hung fire window, including bridge cut-off section bar window frame and rather than articulated bridge cut-off section bar casement, bridge cut-off section bar casement internal fixation has fire prevention glass, the fixed first steel lining that is provided with on the section bar cavity inner wall on one side of the face of a fire that receives of bridge cut-off section bar window frame, the fixed second steel lining that is provided with on the section bar cavity inner wall on one side of the face of a fire that receives of bridge cut-off section bar casement, the bridge cut-off section bar casement still is provided with the glass steel lining on being close to the section bar cavity inner wall on one side of fire prevention glass, fire prevention glass receives all fixedly connected with glass fixed block all around of face of a fire and the face of a back of a body, receive the glass fixed block and glass steel lining fixed connection of face of a fire one side, the glass fixed block and the bridge cut-off section bar casement fixed connection of a fire on one side of a back of a fire, first steel lining, all be provided with fire prevention inflation sealing member in the inner chamber of second steel lining and glass steel lining. The utility model provides a bridge cut-off aluminium outwards opens overhanging fire window has improved time and the fire resistance that fire window defense resisted the conflagration.

Description

Bridge cut-off aluminium out-opening top-hung fire window

Technical Field

The utility model belongs to the technical field of the fire window, concretely relates to bridge cut-off aluminium external-open top-hung 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-proof 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. Therefore, patent No. 202021547526.9 discloses a novel bridge-cutoff aluminum alloy fireproof window, which comprises a window frame, wherein the window frame comprises an outer bridge-cutoff aluminum alloy profile, a connecting member and an inner bridge-cutoff aluminum alloy profile, two ends of the connecting member are respectively fixedly connected with the outer bridge-cutoff aluminum alloy profile and the inner bridge-cutoff aluminum alloy profile, and the inner walls of cavities of the outer bridge-cutoff aluminum alloy profile and the inner bridge-cutoff aluminum alloy profile are respectively and fixedly provided with steel liners; and fireproof sealing parts are arranged in the inner cavity of the steel lining and the inner cavity of the connecting member. This patent is through increasing the steel lining in the die cavity inner wall of outer bridge cut-off aluminum alloy ex-trusions and interior bridge cut-off aluminum alloy ex-trusions, improves the fire resistance of fire window, guarantees that novel bridge cut-off aluminum alloy fire window does not receive the damage in standard scene of a fire, but the fire window of the preparation of the bridge cut-off aluminum alloy ex-trusions of this structure exists intensity unsatisfactory, can not effectively prolong the ability that the defence resisted the conflagration, and its fire resistance remains further to be improved.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art 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 the time too short of fire resistance of the fire window defense of current bridge cut-off aluminium, the not good enough problem of fire resistance.

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

a bridge-cut-off aluminum outward-opening top-hung 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 frame is hinged to the bridge-cut-off section window sash through a fireproof hinge, fireproof glass is fixedly arranged 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 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 surface of the bridge-cut-off section window sash, a glass steel lining is further arranged on the inner wall of the section cavity on one side, close to the fireproof glass, of the bridge-cut-off section window sash, glass fixing blocks are fixedly connected around the fire surface and a back fire surface of the fireproof glass, the glass fixing block on one side of the fire surface is fixedly connected with the glass steel lining, the glass fixing block on one side of the back fire surface is fixedly connected with the bridge-cut-off section window sash through a glass bead, and the first steel lining, And fireproof expansion sealing elements are arranged in the inner cavities of the second steel lining and the glass fiber reinforced plastic lining.

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, wherein the fire prevention inflation sealing member includes that inside sets up the high temperature expansion silica gel strip of sealed chamber, the inside fixed fire prevention expanded graphite layer that is provided with of sealed chamber.

Preferably, the first steel lining, the second steel lining and the glass steel lining are all made of cold-rolled galvanized steel sheets with the thickness of 1 mm.

Preferably, the bridge-cut-off section bar window sash comprises a fixed sash and a movable sash, the fixed sash is arranged below the movable sash, and 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.

Preferably, the inner walls of the cavities of the other profiles of the bridge-cut profile window frame and the bridge-cut profile sash, which are not provided with the steel lining, are also provided with fireproof expansion seals.

Preferably, the cavity of the profile of the bridge cut-off profile window frame and the bridge cut-off profile window sash is filled with a perlite door core plate.

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

the utility model provides a bridge cut-off aluminium external-open top-hung fire window, through fixedly being provided with first steel lining on the section bar cavity inner wall of the face one side that receives fire of bridge cut-off section bar window frame, fixedly being provided with the second steel lining on the section bar cavity inner wall of the face one side that receives fire of bridge cut-off section bar casement, still be provided with glass steel lining on the section bar cavity inner wall of one side that the bridge cut-off section bar casement is close to fire prevention glass to and all be provided with fire prevention inflation sealing member in the inner chamber of first steel lining, second steel lining and glass steel lining, strengthened the stability of this fire window; when a fire disaster occurs, the fireproof expansion sealing elements in the inner cavities of the first steel lining, the second steel lining and the glass fiber reinforced plastic lining expand to fully block the cavity of the section bar, so that flame is effectively blocked within a certain time to further damage the section bar, and the fireproof stability and the fireproof performance of the fireproof window are improved; the glass fixing blocks are fixedly connected to the peripheries of the fire receiving surface and the back fire surface of the fireproof glass, the glass fixing block on one side of the fire receiving surface is fixedly connected with the glass fiber reinforced plastic lining, and the glass fixing block on one side of the back fire surface is fixedly connected with the bridge-cut-off section window sash, so that the stability of the fireproof glass and the bridge-cut-off section window sash is improved, and the fireproof performance of the fireproof window is further improved; the bridge cut-off aluminium in this application is opened outward and is hung fire window can prolong the fire-resistant time effectively, gains the precious time for saving the lives and property promptly.

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 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.

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 description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

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 bridge-cutoff aluminum outward-opening top-hung fire window comprises a bridge-cutoff section window frame 1 and a bridge-cutoff section window sash 2, wherein the bridge-cutoff section window frame 1 is hinged to the bridge-cutoff section window sash 2 through a fire-proof hinge 3, fire-proof glass 4 is fixed in the bridge-cutoff 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 bridge-cutoff section window frame 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 bridge-cutoff section window sash 2, a glass steel lining 22 is further arranged on the inner wall of the section cavity on one side of the bridge-cutoff section window sash 2 close to the fire-proof glass, glass fixing blocks 44 are fixedly connected around the fire-receiving surface and the back-fire surface of the fire-cutoff section window 4, and the glass fixing blocks 44 are made of steel materials. The glass fixing block 44 on one side of the fire-receiving surface is fixedly connected with the glass fiber reinforced plastic lining 22, the glass fixing block 44 on one side of the back fire-receiving surface is fixedly connected with the bridge-cut-off section window sash 2 through a glass bead, and the inner cavities of the first steel lining 11, the second steel lining 21 and the glass fiber reinforced plastic lining 22 are all provided with fireproof expansion sealing elements 5.

Referring to fig. 2 to 4 again, preferably, in a preferred technical solution of the present embodiment, the fire-proof glass 4 includes a tempered glass layer 41 and a non-heat-insulation type fire-proof glass layer 43 which are arranged at intervals, an air layer 42 is formed between the tempered glass layer 41 and the non-heat-insulation type fire-proof glass layer 43, the thicknesses of the tempered glass layer 41 and the non-heat-insulation type fire-proof glass layer 43 are both 6mm, and the thickness of the air layer 42 is 12 mm.

Preferably, in another preferred technical solution of this embodiment, the inner walls of the cavities of the remaining profiles, which are not provided with the steel lining, in the bridge-cut profile window frame 1 and the bridge-cut profile sash 2 are also provided with the fireproof expansion seals 5; when a fire disaster occurs, the fireproof expansion sealing element on the inner wall of the profile cavity is expanded to fully block the profile cavity, so that flame is effectively blocked in a certain time to further damage the profile, and the stability and the fireproof performance of the fireproof window are further improved.

Wherein the fire-proof expansion sealing element is arranged at a fire door, a fire window and the like of a building; when a fire disaster happens and a certain specific temperature value is reached, the expansion is started, and according to different product characteristics, the expansion multiplying power can reach several times to dozens of times, so that the purpose of preventing flame and smoke from spreading to other parts of a building is achieved, and the expansion multiplying power of the fireproof expansion sealing element in the application is 8-25 times. This application has guaranteed the sealed effect of stable fire prevention of this fire window through set up fire prevention inflation sealing member on each section bar cavity inner wall at bridge cut-off section bar window frame and bridge cut-off section bar casement. Each fire rated intumescent seal in the present application may be a fire rated intumescent seal familiar to those skilled in the art that can be selected to suit the intended use of the fire rated window.

Preferably, in another preferred technical solution of the present embodiment, wherein the first steel lining 11, the second steel lining 21 and the glass fiber reinforced plastic lining 22 are all made of cold-rolled galvanized steel sheets with a thickness of 1mm, the cold-rolled galvanized steel sheets have a higher melting point than ordinary steel sheets, and are less prone to being burned out to play a structural role in case of fire, and the stability of the fire protection window is improved within a certain period of time.

Example 2

On the basis of embodiment 1, wherein fire prevention inflation sealing member includes that inside sets up the high temperature expansion silica gel strip in sealed chamber, the inside fixed fire prevention expanded graphite layer that is provided with in sealed chamber. 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, and outstanding 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 outward-opening top-hung 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, the bridge cut-off section 2 includes a fixed sash and a movable sash, the fixed sash is disposed below the movable sash, and the movable sash is provided with a sash opening and closing device 6 and a handle; 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. Specifically, when a fire occurs, the movable fan needs to 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 a heat sensitive element, when the ambient temperature reaches the preset temperature, the heat sensitive element acts, the opened movable sash is automatically closed through a spring system in the window sash opening and closing device, the movable sash opened in case of fire is ensured to be automatically closed under the condition of no human intervention, and the fire-resistant integrity is ensured. In order to avoid misoperation of the window sash opening and closing device and simultaneously consider that the movable window sash can be closed in time when a fire is sent, in the embodiment, the value range of the preset temperature is preferably 65-75 ℃.

Preferably, in another preferred technical solution of this embodiment, the perlite door core plate 7 is further filled in the profile cavities of the bridge-cut profile window frame 1 and the bridge-cut profile window sash 2, and this arrangement provides technical support for further improving the fire resistance of the fire window.

The perlite door core board is also called an expanded perlite fireproof board, and is a perlite sheet with the thickness of 12mm-30mm, which is prepared by taking expanded perlite particles as raw materials, mixing the expanded perlite particles with a proper amount of inorganic environment-friendly binder, internally adding a double-layer metal mesh for reinforcement, and pressing and drying. The material has the characteristics of light apparent density, low heat conductivity coefficient, good chemical stability, wide application temperature range, small moisture absorption capacity, no toxicity, no smell, fire prevention, sound absorption and the like. Therefore, the bridge-cut-off section window frame and the bridge-cut-off section window sash prepared from the composite material also have excellent performances of fire resistance, sound insulation and the like.

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 bridge-cut-off aluminum outward-opening top-hung 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 frame is hinged with the bridge-cut-off section window sash through a fireproof hinge, and fireproof glass is fixedly arranged in the bridge-cut-off section window sash. And fireproof expansion sealing elements are arranged in the inner cavities of the first steel lining, the second steel lining and the glass fiber reinforced plastic lining.

2. The bridge-cut-off aluminum outward-opening upper-hung fireproof window according to claim 1, wherein the fireproof glass comprises a toughened glass layer and a non-heat-insulation type fireproof glass layer which are arranged at intervals, an air layer is formed between the toughened glass layer and the non-heat-insulation type fireproof glass layer, the thickness of each of the toughened glass layer and the non-heat-insulation type fireproof glass layer is 6mm, and the thickness of the air layer is 12 mm.

3. The bridge-cutoff aluminum outward-opening top-hung fire window according to claim 2, wherein the fire-proof expansion sealing element comprises a high-temperature expansion silica gel strip with a sealing cavity formed inside, and a fire-proof expansion graphite layer is fixedly arranged inside the sealing cavity.

4. The bridge-cut aluminum outward-opening top-hung fire protection window of claim 3, wherein the first steel lining, the second steel lining and the glass steel lining are all made of cold-rolled galvanized steel sheets with the thickness of 1 mm.

5. The bridge-cutoff aluminum outward-opening top-hung fireproof window according to claim 4, wherein the bridge-cutoff section bar sash comprises a fixed sash and a movable sash, the fixed sash is arranged below the movable sash, and a 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.

6. The bridge-cut-off aluminum outward-opening top-hung fireproof window according to claim 5, wherein the inner walls of the cavities of the rest of the bridge-cut-off profile window frame and the bridge-cut-off profile window sash which are not provided with the steel lining are also provided with fireproof expansion sealing pieces.

7. The bridge-cut-off aluminum outward-opening top-hung fireproof window according to claim 6, wherein perlite door core plates are filled in the profile cavities of the bridge-cut-off profile window frame and the bridge-cut-off profile window sash.

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