A fireproof blocking node for assembled building window and partition wall

By designing a fire-proof sealing node of the prefabricated building window and partition wall, using a combined structure of metal outer frame, metal inner frame and rock wool layer, the problem of weak fire protection between the connection points between the form and partition wall in prefabricated building is solved, and the fire insulation performance and safety performance are significantly improved.

CN114352175BActive Publication Date: 2025-04-01YANGZHOU LIDUO STEEL STRUCTURE ENG
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Patent Information

Application Number
CN202210145410.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-02-17
Publication Date
2025-04-01
Estimated Expiration
2042-02-17

AI Technical Summary

Technical Problem

In prefabricated buildings, the connection points between the form and partition walls become weak points of fire protection due to the limitations of form and division method. It is easy to cause flames and smoke to penetrate in high-temperature fires, which poses a major safety hazard.

Method used

A prefabricated building window and partition wall fire-proof sealing node is designed, and the window is formed by combining at least two pieces of glass. The partition wall is installed at the joint of the window, and a fire-proof and thermal insulation structure is provided at the end of the partition wall, including a metal outer frame and a metal inner frame, a rock wool layer is sandwiched, and a multi-layer fire-proof expansion rubber strip and a sealing plug are used to form a hollow thermal insulation break bridge to improve fire-proof and thermal insulation performance.

Benefits of technology

It effectively improves the fire-proof and thermal insulation performance of the prefabricated building windows and partition walls connecting nodes, reduces deformation during high-temperature fires, prevents flames and smoke from entering, and significantly improves the fire safety performance of the building.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a fireproof blocking node of a prefabricated building window and a partition wall in the field of prefabricated buildings. The window is formed by at least two pieces of glass, the partition wall is installed at the joint position of the window, and a fireproof heat insulation structure is provided at the end of the partition wall. The fireproof heat insulation structure includes a metal outer frame and a metal inner frame. The metal outer frame is composed of a first bending piece arranged symmetrically on both sides. The outer end of the first bending piece abuts against the window, and the inner end is overlapped and fixed with the outer side surface of the partition wall. The metal inner frame is sandwiched between the first bending pieces. A hollow cavity is provided in the metal inner frame, and a partition layer is provided in the middle of the cavity. The metal outer frame, the metal inner frame and the end face of the partition wall form a U-shaped cavity, and the U-shaped cavity is filled with rock wool. A sealing plug and a first fireproof expansion rubber strip are provided between the outer end of the metal inner frame and the window. The fireproof blocking node of the prefabricated building window and the partition wall of the present invention has the advantages of simple structure, convenient construction, strong anti-deformation ability, good fireproof and heat insulation performance, etc.
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Description

Technical Field

[0001] The invention relates to the field of prefabricated buildings, and in particular to a fireproof blocking node between a prefabricated building window and a partition wall. Background Art

[0002] In the field of construction, people's demand for building industrialization is also quietly changing. Concepts such as green buildings, sustainable development, energy conservation and emission reduction have gradually become popular. The transformation from traditional extensive construction production methods to intensive ones has become a key issue facing the current construction industry. In this context, the emergence of prefabricated buildings not only breaks the limitations of traditional house construction, but also provides effective guarantees for the construction quality of construction projects through the use of advanced technical means, and can effectively solve the shortage of labor resources in the construction market. At present, the structural forms of prefabricated buildings are mainly divided into prefabricated concrete buildings and prefabricated steel structures. Since the cost of prefabricated concrete buildings is relatively low, they are widely used in actual projects.

[0003] Building fire prevention is a fire prevention measure for buildings. Fire prevention measures should be taken in building design to prevent fires and reduce the harm of fires to life and property. In the prior art, some prefabricated buildings are usually equipped with windows and glass curtain walls due to facade requirements. Due to the form and segmentation of the windows, the joints between the glass windows and the partition walls become weak points in fire prevention. In the event of a fire, high temperatures often cause deformation of the window connection, causing flames, smoke, etc. to enter through the window gaps, posing a major safety hazard. Summary of the invention

[0004] The purpose of the present invention is to provide a fireproof blocking node for assembled building windows and partition walls to improve the fireproof performance of the building.

[0005] The object of the present invention is achieved as follows: a fireproof blocking node between an assembled building window and a partition wall, the window is formed by at least two pieces of glass, the partition wall is installed at the joint position of the window, a fireproof and heat-insulating structure is provided at the end of the partition wall, the fireproof and heat-insulating structure includes a metal outer frame and a metal inner frame, the metal outer frame is composed of a first bending part symmetrically arranged on the left and right, the outer end of the first bending part abuts against the window, and the inner end is overlapped and fixed to the outer side surface of the partition wall, the metal inner frame is clamped between the first bending parts, a hollow cavity is provided in the metal inner frame, a partition layer is provided in the middle of the cavity, the metal outer frame, the metal inner frame and the end face of the partition wall form a U-shaped cavity, the U-shaped cavity is filled with rock wool, and a sealing plug and a first fireproof expansion strip are provided between the outer end of the metal inner frame and the window. The fireproof sealing node between the prefabricated building window and the partition wall of the present invention forms a hollow insulating bridge through a metal inner frame, and the fireproof and heat-insulating capabilities are further enhanced through a rock wool layer. The deformation is small in a high-temperature environment, and the fireproof and heat-insulating performance of the connection node between the prefabricated building window and the partition wall can be effectively improved.

[0006] As a further improvement of the present invention, the metal inner frame includes a first rectangular closed frame and a second rectangular split frame. The outer end of the first rectangular closed frame is provided with a plug-in portion, and the plug-in portion includes an upper vertical edge extending horizontally outward and a horizontal plug-in edge connected to the end of the upper vertical edge. The second rectangular split frame includes a split left frame and a split right frame. The split left frame and the split right frame are respectively arranged on both sides of the window seam. The outer end is provided with a tightening edge crimped with a sealing plug and a first fire-proof expansion strip, and the lower end is provided with a horizontal card groove matching the horizontal plug-in edge. The structure has simple connection, convenient assembly and good thermal insulation effect.

[0007] As a further improvement of the present invention, a second fire-proof expansion rubber strip is provided on the inner side of the corner of the plug-in part. The second fire-proof expansion rubber strip is L-shaped. The horizontal card groove includes an upper card edge and a lower card edge. The outer surface of the horizontal plug-in edge is in contact with the inner surface of the upper card edge, thereby further improving the fireproof and heat-insulating performance of the connection node.

[0008] As a further improvement of the present invention, the outer end of the first bending part has a U-shaped groove, and the vertical surface of the U-shaped groove is in contact with the vertical surface of the second rectangular split frame and is connected by fasteners. The connection is convenient and the deformation is small in a high temperature environment, which can prevent smoke infiltration and improve fire resistance.

[0009] As a further improvement of the present invention, a third fireproof expansion rubber strip is sandwiched at the window joint position to improve the fireproof performance.

[0010] As a further improvement of the present invention, the outer side of the third fireproof expansion rubber strip is filled with fireproof sealant to further improve the fireproof performance.

[0011] As a further improvement of the present invention, the window body adopts a double-layer glass structure, and glass fire-proof liquid is poured between the double-layer glass to further ensure the fire-proof performance.

[0012] As a further improvement of the present invention, a finishing layer is provided on the outer side of the partition wall, so that the interior of the building is more beautiful and the comfort of use is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the fireproof blocking node of the assembled building window and partition wall of the present invention.

[0014] Among them, 1 is a window, 2 is a partition wall, 3 is a metal outer frame, 3A is a U-shaped groove, 4 is a first rectangular closed frame, 4A is a plug-in part, 5 is a second rectangular split frame, 5A is a horizontal slot, 6 is a sealing plug, 7 is a first fire-proof expansion rubber strip, 8 is a second fire-proof expansion rubber strip, 9 is rock wool, 10 is a third fire-proof expansion rubber strip, 11 is a fire-proof sealant, 12 is a finishing layer, and 13 is a fastener. DETAILED DESCRIPTION

[0015] like Figure 1The assembled building window 1 and the partition wall 2 are fireproof blocking nodes, the window 1 is formed by at least two pieces of glass, the partition wall 2 is installed at the joint position of the window 1, and the end of the partition wall 2 is provided with a fireproof and heat-insulating structure.

[0016] The fireproof and heat-insulating structure includes a metal outer frame 3 and a metal inner frame. Both the metal outer frame 3 and the metal inner frame are made of aluminum alloy. The metal outer frame 3 is composed of a first bending part that is symmetrically arranged on the left and right. The outer end of the first bending part abuts against the window 1, and the inner end overlaps with the outer side of the partition wall 2 and is fixed by a fastener 13.

[0017] The metal inner frame is clamped between the first bending parts, and a hollow cavity is provided in the metal inner frame, and a partition layer is provided in the middle of the cavity. Specifically, the metal inner frame includes a first rectangular closed frame 4 and a second rectangular split frame 5. The outer end of the first rectangular closed frame 4 is provided with a plug-in portion 4A, and the plug-in portion 4A includes an upper vertical edge extending horizontally outward and a horizontal plug-in edge connected to the end of the upper vertical edge. The second rectangular split frame 5 includes a split left frame and a split right frame, and the split left frame and the split right frame are respectively arranged on both sides of the joint of the window 1, and the outer ends thereof are provided with horizontal clamping edges, and a sealing plug 6 and a first fire-proof expansion strip 7 are provided between the clamping edge and the window 1. The lower ends of the split left frame and the split right frame are provided with horizontal card grooves 5A that cooperate with the horizontal plug-in edges. A second fireproof expansion rubber strip 8 is provided inside the corner of the plug-in portion 4A. The second fireproof expansion rubber strip 8 is L-shaped. The horizontal card slot 5A includes an upper card edge and a lower card edge. The outer surface of the horizontal plug edge is attached to the inner surface of the upper card edge, further improving the fireproof and heat-insulating performance of the connection node. The metal outer frame 3, the metal inner frame and the end face of the partition wall 2 form a U-shaped cavity, and the U-shaped cavity is filled with rock wool 9.

[0018] As shown in the figure, the outer end of the first bending part has a U-shaped groove 3A, and the vertical surface of the U-shaped groove 3A is in contact with the vertical surface of the second rectangular split frame 5 and is connected by a fastener 13. The connection is convenient and the deformation is small in a high temperature environment, which can prevent smoke infiltration and improve fire resistance.

[0019] In this embodiment, the window 1 adopts a double-layer glass structure, and a glass fireproof liquid is poured between the double-layer glass to further ensure the fireproof performance. A third fireproof expansion strip 10 is sandwiched at the joint position of the window 1, and the outer side of the third fireproof expansion strip 10 is filled with a fireproof sealant 11. A finishing layer 12 is provided on the outer side of the partition wall 2, making the interior of the building more beautiful and improving the comfort of use.

[0020] The assembled building window and partition wall fireproof blocking node of this embodiment has the advantages of simple structure, convenient construction, strong deformation resistance, good fireproof and heat-insulating performance, etc.

[0021] The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present invention, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present invention.

Claims

1. A fireproof blocking node between a prefabricated building window and a partition wall, wherein the window is formed by splicing at least two pieces of glass, and the partition wall is installed at the window joint, characterized in that: A fireproof and heat-insulating structure is provided at the end of the partition wall, and the fireproof and heat-insulating structure includes a metal outer frame and a metal inner frame. The metal outer frame is composed of a first bending part that is symmetrically arranged on the left and right. The outer end of the first bending part abuts against the window body, and the inner end is overlapped and fixed to the outer side surface of the partition wall. The metal inner frame is clamped between the first bending parts. A hollow cavity is provided in the metal inner frame, and a partition layer is provided in the middle of the cavity. The metal outer frame, the metal inner frame and the end face of the partition wall form a U-shaped cavity, and the U-shaped cavity is filled with rock wool. A sealing plug and a first fire-proof expansion strip are provided between the outer end of the metal inner frame and the window.

2. The fireproof blocking node of the assembled building window and partition wall according to claim 1 is characterized in that: The metal inner frame includes a first rectangular closed frame and a second rectangular split frame. The outer end of the first rectangular closed frame is provided with a plug-in portion, and the plug-in portion includes an upper vertical edge extending horizontally outward and a horizontal plug-in edge connected to the end of the upper vertical edge. The second rectangular split frame includes a split left frame and a split right frame. The split left frame and the split right frame are respectively arranged on both sides of the window seam, and the outer end is provided with a tightening edge crimped with a sealing plug and a first fire-proof expansion strip, and the lower end is provided with a horizontal card groove matching the horizontal plug-in edge.

3. The fireproof blocking node of the assembled building window and partition wall according to claim 2 is characterized in that: A second fireproof expansion strip is provided on the inner side of the corner of the plug-in portion, and the second fireproof expansion strip is L-shaped. The horizontal clamping groove includes an upper clamping edge and a lower clamping edge, and the outer surface of the horizontal plug-in edge is in contact with the inner surface of the upper clamping edge.

4. The fireproof blocking node of the assembled building window and partition wall according to claim 2 is characterized in that: The outer end of the first bending member is provided with a U-shaped groove, and the vertical surface of the U-shaped groove is in contact with the vertical surface of the second rectangular split frame and is connected with the vertical surface through a fastener.

5. The assembled building window and partition wall fire blocking node according to any one of claims 1 to 4, characterized in that: A third fireproof expansion rubber strip is clamped at the window joint position.

6. The fireproof blocking node of the assembled building window and partition wall according to claim 5 is characterized in that: The outer side of the third fireproof expansion rubber strip is filled with fireproof sealant.

7. The fireproof blocking node of the assembled building window and partition wall according to claim 5 is characterized in that: The window body adopts a double-layer glass structure, and glass fireproof liquid is poured between the double-layer glass.

8. The assembled building window and partition wall fire blocking node according to any one of claims 1 to 4, characterized in that: A finishing layer is arranged on the outer side of the partition wall.

Citation Information

Patent Citations

  • Fabricated building window body and partition wall fireproof blocking joint

    CN216866495U