Composite fireproof metal furring

Abstract

The utility model belongs to the technical field of ceiling joist, disclose a kind of composite fireproof metal joist, including bottom surface part, its characterized in that, the bottom surface part upper side is provided with nanometer aerogel felt, the bottom surface part both sides extend upwards and form side surface part, the side surface part is opened in several waist holes, the side surface part top end is bent and forms bending part, the bending part is opened in several through holes, the side surface part and bending part are opened in several adjusting grooves.The nanometer aerogel felt is arranged in the bottom surface part in the application, and the nanometer aerogel felt is attached to the inner side wall of side surface part, effectively solve the problem that existing fireproof metal joist is easy to peel off and form fire channel under high temperature environment of fire in fireproof material, improve the fireproof effect of joist, can more effectively prevent fire spread.

Description

Technical Field

[0001] This utility model belongs to the field of ceiling keel technology, specifically relating to a composite fireproof metal keel. Background Technology

[0002] Keel is a building material used to support shapes and fix structures. It is widely used in interior decoration, office buildings, old building renovation, hotels, stations, shopping malls, factories and other ceiling places. Keel is the framework and base material of decoration and is very common. There are many types of keel. According to the different materials used, it can be divided into wood keel, light steel keel, aluminum alloy keel, steel keel, etc. According to the location of use, it can be divided into ceiling keel, wall keel, floor keel and hanging keel, etc. According to different decoration construction techniques, there are also load-bearing keel and surface keel.

[0003] With increasingly stringent fire safety requirements for buildings, ordinary metal keels, due to the inherent high thermal conductivity of metal, are prone to rapid heat conduction during a fire, causing a rapid rise in temperature on the unexposed side and potentially triggering the spread of the fire. Therefore, fire-resistant metal keels have emerged. Currently, some fire-resistant metal keel products on the market typically involve coating the surface of the metal keel with a fire-retardant coating to enhance its fire resistance. However, under the high temperatures of a fire, the fire-retardant coating is prone to peeling off from the keel surface due to differences in thermal expansion. Once the fire-retardant material detaches from the keel, it creates a fire propagation path, allowing heat to be conducted through the keel without hindrance, significantly reducing the keel's fire-resistant effect and failing to effectively prevent the spread of fire, posing a serious threat to building safety. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a composite fireproof metal keel, aiming to solve to some extent the problem in the prior art where a fireproof coating is typically applied to the surface of the metal keel to improve its fire resistance. However, in high-temperature fire environments, the fireproof coating is prone to peeling off from the keel surface due to differences in thermal expansion. Once the fireproof material detaches from the keel, it creates a fire propagation channel, allowing heat to be conducted through the keel without hindrance, greatly reducing the fireproof effect of the keel and failing to effectively prevent the spread of fire, thus posing a serious threat to building safety.

[0005] The technical solution of this utility model is: a composite fireproof metal keel, including a bottom part, characterized in that a nano aerogel felt is provided on the top of the bottom part, the two sides of the bottom part extend upward to form side parts, a number of waist holes are opened on the side parts, the top of the side parts is bent to form a bent part, a number of through holes are opened on the bent part, and a number of adjustment grooves are opened on the side parts and the bent part.

[0006] Furthermore, the nano-aerogel felt is adhered to the upper surface of the bottom part and the inner sidewall of the side part.

[0007] Furthermore, several expansion grooves are provided at both ends of the bottom surface.

[0008] Furthermore, the side portion is positioned perpendicular to the bottom portion.

[0009] Furthermore, the bent portion is formed by bending outward from the top of the side portion.

[0010] Furthermore, the bent portion is formed by bending inward from the top of the side portion.

[0011] Furthermore, the angle between the bent portion and the side portion ranges from 80 to 100°.

[0012] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0013] 1. In this application, a nano-aerogel felt is set on the bottom surface and adhered to the inner side wall of the side surface. This effectively solves the problem that the fireproof material of the existing fireproof metal keel is easy to peel off and form a fire spread channel under high temperature fire conditions, improves the fireproof effect of the keel, and can more effectively prevent the spread of fire.

[0014] 2. In this application, several adjustment grooves are provided on the side and bending parts. In actual installation, the metal keel can be bent upward or downward according to the specific needs of the scenario, which improves the flexibility and adaptability of the keel installation. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a top perspective view of the overall structure of this utility model;

[0017] Figure 2 This is a bottom-view perspective view of the overall structure of this utility model;

[0018] Figure 3 This is a bottom perspective view of another embodiment of the present invention.

[0019] In the attached image:

[0020] 1. Bottom surface; 2. Nano aerogel felt; 3. Side surface; 4. Waist hole; 5. Bending part; 6. Through hole; 7. Adjustment groove; 8. Expansion groove. Detailed Implementation

[0021] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0022] Example 1:

[0023] like Figure 1 and Figure 2 A composite fireproof metal keel includes a bottom part 1, a nano aerogel felt 2 on the top of the bottom part 1, side parts 3 extending upward on both sides of the bottom part 1, a number of waist holes 4 on the side parts 3, a bending part 5 formed by bending the top of the side parts 3, a number of through holes 6 on the bending part 5, and a number of adjustment grooves 7 on the side parts 3 and the bending part 5.

[0024] A nano-aerogel felt 2 is installed on the bottom surface 1 and adhered to the inner side wall of the side surface. This effectively solves the problem that the fireproof material of the existing fireproof metal keel is easy to peel off and form a fire spread channel under high temperature fire conditions, improves the fireproof effect of the keel, and can more effectively prevent the spread of fire.

[0025] Several adjustment slots 7 are provided on the side part 3 and the bending part 5. In actual installation, the metal keel can be bent upward or downward through the adjustment slots 7 according to the specific needs of the scene, which improves the flexibility and adaptability of the keel installation.

[0026] The nano-aerogel felt 2 is attached to the upper surface of the bottom part 1 and the inner wall of the side part 3. The nano-aerogel felt 2 achieves a good heat insulation effect, effectively preventing the heat transfer inside the keel and improving the fire resistance of the keel.

[0027] Aerogel felt is a flexible thermal insulation material made primarily of nano-silica or metallic aerogel, reinforced with composite materials such as glass fiber and pre-oxidized fiber. In high-temperature fire environments, aerogel felt is less prone to chemical reactions with surrounding oxygen and other substances, and unlike some flammable materials, it does not burn rapidly. Simultaneously, the glass fiber and pre-oxidized fiber reinforcements possess certain high-temperature resistance and flame-retardant properties, further enhancing the overall fire resistance of the aerogel felt. This allows it to maintain structural integrity at high temperatures and continuously perform its fireproof and heat-insulating functions.

[0028] The side portion 3 is set perpendicular to the bottom portion 1, providing stable structural support for the keel, while facilitating connection and installation with other building components.

[0029] The bend 5 is formed by bending outward from the top of the side portion 3. This design increases the contact area between the keel and other components. During connection, the larger contact area makes the connection more stable and reduces the possibility of loosening or falling off at the connection point. Moreover, this outward bending design provides more possibilities for the keel to be matched with other building components, better adapting to different building structures and installation requirements, and improving the keel's versatility.

[0030] The bending part 5 is formed by bending inward from the top of the side part 3. This design can effectively save the space occupied by the keel. In some architectural scenarios with relatively small spaces, the keel can be better integrated into the overall structure, avoiding the impact of the keel's large size on the installation of other components.

[0031] The angle between the bending part 5 and the side part 3 is in the range of 80-100°, which allows the keel to be flexibly connected with different building components.

[0032] The outer surface of the keel is treated with corrosion resistance, which can be achieved through hot-dip galvanizing, painting, or electroplating.

[0033] This composite fire-resistant metal keel is made entirely of galvanized steel strips. As a metal material, it is non-combustible and does not produce open flames, thus possessing natural fire resistance in a fire. Compared to traditional wooden keels, this composite fire-resistant metal keel will not burn due to flames or high temperatures, providing a higher level of safety for buildings. Furthermore, the galvanized steel strips slow down the oxidation rate of steel at high temperatures, further enhancing fire resistance and improving the keel's durability and fire resistance.

[0034] Example 2:

[0035] like Figure 3 As shown, this embodiment is based on embodiment one, but differs from embodiment one in that several expansion grooves 8 are provided at both ends of the bottom part 1.

[0036] In high-temperature environments such as fires, metal keels will deform due to thermal expansion and contraction. The expansion groove 8 allows the keel to expand and contract freely within a certain range, avoiding damage to the connection between the keel and other components due to thermal stress concentration. This not only protects the structural integrity of the keel itself, but also ensures the stability of the connection between the keel and other building components.

[0037] It should be noted that the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A composite fireproof metal keel, including a bottom section (1), characterized in that, A nano aerogel felt (2) is provided above the bottom part (1). The bottom part (1) extends upward on both sides to form side parts (3). Several waist holes (4) are provided on the side parts (3). The top of the side parts (3) is bent to form a bent part (5). Several through holes (6) are provided on the bent part (5). Several adjustment grooves (7) are provided on the side parts (3) and the bent part (5).

2. The composite fireproof metal keel as described in claim 1, characterized in that, The nano-aerogel felt (2) is attached to the upper surface of the bottom part (1) and the inner wall of the side part (3).

3. The composite fireproof metal keel as described in claim 1, characterized in that, Several expansion grooves (8) are provided at both ends of the bottom part (1).

4. The composite fireproof metal keel as described in claim 1, characterized in that, The side portion (3) is set perpendicular to the bottom portion (1).

5. The composite fireproof metal keel as described in claim 1, characterized in that, The bent portion (5) is formed by bending outward from the top of the side portion (3).

6. The composite fireproof metal keel as described in claim 1, characterized in that, The bent portion (5) is formed by bending inward from the top of the side portion (3).

7. The composite fireproof metal keel as described in claim 1, characterized in that, The angle between the bent portion (5) and the side portion (3) is in the range of 80-100°.

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