Fireproof structure of building deformation joint

Abstract

The utility model relates to a kind of fireproof structure of building deformation joint, belong to deformation joint technical field.The fireproof structure of building deformation joint, comprising: deformation gap, two building walls are combined to form deformation gap, the inside of the deformation gap is provided with cover plate, the both sides of the cover plate are penetrated to the inside of adjacent wall;Fireproof mechanism, the fireproof mechanism is installed in the inside of deformation gap, the fireproof mechanism is set in the below of cover plate;Wherein, the fireproof mechanism includes the fireproof rock wool fixedly connected in the below of cover plate;Combustion medium is gradually consumed in limited space, and combustion temperature is gradually reduced, mixed gas mass enters the inside of top cavity frame, top cavity frame keeps relatively good low-temperature effect, mixed gas mass exchanges heat through top cavity frame, and is discharged to both ends outside, reduces the situation that flame continues to burn fiercely, forms protection to the flame of combustion, and reduces the trend that flame burns surrounding building.

Description

Technical Field

[0001] This utility model relates to the field of expansion joint technology, and in particular to a fireproof structure for building expansion joints. Background Technology

[0002] Building expansion joints are structural gaps designed in building engineering to cope with structural deformation caused by external factors such as temperature changes, foundation settlement, and earthquakes. Their core function is to release internal stress and prevent cracking or damage to the building due to deformation. They are often left in certain locations, and these gaps divide the building into several structurally independent parts, which are what we usually call expansion joints.

[0003] A search of existing Chinese patent technology reveals a "fireproof structure for building expansion joints" with publication number "CN212926516U". This device, through the setting of U-shaped springs and elastic support plates, can adapt to the thermal expansion and contraction of the wall through its own elasticity, thereby effectively protecting the fireproof rock wool and achieving an effective fireproof effect. However, as the flames rise, they are blocked by this fireproof structure and will spread to the surrounding buildings, making it difficult to reduce the tendency of the flames to spread and burn. Utility Model Content

[0004] Therefore, it is necessary to address the problem that flames, when blocked by the fireproof structure during their ascent, will spread to surrounding buildings, making it difficult to reduce the tendency of flames to spread and burn. This necessitates providing a fireproof structure for building expansion joints, comprising: an expansion joint formed by combining two building walls, with a cover plate installed inside the expansion joint, the cover plate extending through to the interior of the adjacent walls on both sides; and a fireproof mechanism installed inside the expansion joint, positioned below the cover plate; wherein the fireproof mechanism includes fireproof rock wool fixedly connected to the lower end of the cover plate, a fire-arresting component positioned below the fireproof rock wool, the fire-arresting component installed inside the expansion joint, and a fireproof component connected to the lower end of the fire-arresting component.

[0005] In one embodiment, the fireproof component includes a plurality of vertical plates disposed inside the deformation joint. A plurality of first fixing plates and second fixing plates are respectively disposed on both sides of the vertical plates. The first fixing plates and second fixing plates are respectively fixedly connected to both sides of the deformation joint. The first fixing plates and second fixing plates are staggered. The vertical plates are fixedly connected to the surfaces of adjacent first fixing plates and second fixing plates. A flow guide is fixedly connected to the upper end of the first fixing plates and second fixing plates.

[0006] In one embodiment, the fire-arresting assembly includes a central partition fixedly connected to the upper end of the flow guide, a fire-arresting strip fixedly connected to the upper end of the central partition, a plurality of central partition strips fixedly connected to the upper arc surface of the fire-arresting strip, and upper positioning plates fixedly connected to both sides of the fire-arresting strip.

[0007] In one embodiment, a lower positioning plate is fixedly connected to the upper flat surface of the flow guide, and a middle mixing plate is fixedly connected to the inner side of the flow guide.

[0008] In one embodiment, the flow guide includes a top cavity frame located in the middle of the deformation gap, and two bottom cavities are fixedly connected to the lower end of the top cavity frame.

[0009] In one embodiment, a connecting plate is fixedly connected to the lower end of the bottom cavity frame, the inner wall of the bottom cavity frame is fixedly connected to the surface of the middle mixing plate, and the upper end of the connecting plate is fixedly connected to the lower end of the lower positioning plate.

[0010] In one embodiment, the lower arc surface of the fire-resistant strip is fixedly connected to two side baffles, which are fixedly connected to both sides of the central partition.

[0011] Beneficial effects

[0012] The fireproof structure of the building expansion joints uses multiple wave-shaped vertical plates to create turbulent airflow. The high-temperature gas mixes with the low-temperature gas after heat exchange, reducing the overall temperature of the flame. This allows the combustion medium to be gradually consumed within a limited space, reducing the combustion temperature. The mixed gas mass enters the interior of the top cavity frame, which maintains a relatively good low-temperature effect. The mixed gas mass exchanges heat through the top cavity frame and is discharged to both ends, reducing the possibility of the flame continuing to burn intensely. While protecting the flame, it also reduces the tendency of the flame to spread to surrounding buildings.

[0013] The device forms a cavity by combining a central partition and side baffles. The cavity can be filled with fireproof material. The combination of fire-resistant strips and central partitions, along with fireproof rock wool, creates a good fire-resistant effect that is not prone to large deformation, reducing the possibility of flames continuing to rise and preventing the flames from spreading, thus improving the stability of fire protection. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the fireproof mechanism structure of this utility model;

[0017] Figure 3 This is a schematic diagram of a partial explosion structure of the fireproof component of this utility model;

[0018] Figure 4 This is a cross-sectional view of the flow guide structure of this utility model;

[0019] Figure 5 This is a schematic diagram of the explosion structure of the fire-arresting component of this utility model.

[0020] Figure label:

[0021] 1. Expansion joint; 2. Cover plate; 3. Fireproof mechanism; 31. Fireproof component; 311. Vertical plate; 312. First fixing plate; 313. Second fixing plate; 314. Flow guide; 315. Lower positioning plate; 316. Middle mixing plate; 3141. Connecting plate; 3142. Bottom cavity frame; 3143. Top cavity frame; 32. Fire-resistant component; 321. Upper positioning plate; 322. Fire-resistant strip; 323. Middle partition; 324. Side baffle; 325. Middle partition; 33. Fireproof rock wool. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this specification are for illustrative purposes only and do not represent the only possible implementation.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this specification belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0027] The following is combined Figures 1-5 This invention describes the fireproof structure of building expansion joints.

[0028] In one embodiment, a fireproof structure for a building expansion joint includes: an expansion joint 1, formed by combining two building walls, a cover plate 2 disposed inside the expansion joint 1, the cover plate 2 extending through the interior of the adjacent walls on both sides; and a fireproof mechanism 3, installed inside the expansion joint 1 and disposed below the cover plate 2; wherein the fireproof mechanism 3 includes fireproof rock wool 33 fixedly connected to the lower end of the cover plate 2, a fire-resistant component 32 disposed below the fireproof rock wool 33, the fire-resistant component 32 being installed inside the expansion joint 1, and a fireproof component 31 connected to the lower end of the fire-resistant component 32.

[0029] like Figure 1-4As shown, the fireproof component 31 includes multiple vertical plates 311 disposed inside the deformation joint 1. Multiple first fixing plates 312 and second fixing plates 313 are respectively disposed on both sides of the vertical plates 311. The first fixing plates 312 and second fixing plates 313 are respectively fixedly connected to both sides of the deformation joint 1. The first fixing plates 312 and second fixing plates 313 are staggered. The vertical plates 311 are fixedly connected to the surfaces of adjacent first fixing plates 312 and second fixing plates 313. A flow guide 314 is fixedly connected to the upper end of the first fixing plates 312 and second fixing plates 313. A lower positioning plate 315 is fixedly connected to the upper flat surface of the flow guide 314. A middle mixing plate 316 is fixedly connected to the inner side of the flow guide 314.

[0030] The flow guide frame 314 includes a top cavity frame 3143 located in the middle of the deformation gap 1. The lower end of the top cavity frame 3143 is fixedly connected to two bottom cavity frames 3142. The lower end of the bottom cavity frames 3142 is fixedly connected to a connecting plate 3141. The inner wall of the bottom cavity frame 3142 is fixedly connected to the surface of the middle mixing plate 316. The upper end of the connecting plate 3141 is fixedly connected to the lower end of the lower positioning plate 315.

[0031] In this embodiment, the vertical plate 311 is generally wavy, and the gap between the peaks and troughs of the vertical plate 311 gradually increases from bottom to top. When the flame reaches the vertical plate 311, the flame can be divided into multiple small flames by multiple vertical plates 311. Furthermore, by overlapping multiple vertical plates 311, the burning range of the flame can be controlled during its ascent, while increasing the total heat dissipation area of ​​the flame.

[0032] By setting the vertical plate 311 in a wave-like manner, turbulence can be gradually formed during the upward flow of the air. Since the external gas cannot be quickly replenished between the adjacent vertical plates 311, the high-temperature gas in the airflow comes into contact with and mixes with the low-temperature gas after heat exchange with the vertical plate 311, which reduces the overall temperature of the flame. This achieves the gradual consumption and reduction of the combustion medium in a limited space, and the gradual reduction of the combustion temperature.

[0033] The lower end of the middle mixing plate 316 is staggered with the upper end of the vertical plate 311, which allows the gas between adjacent vertical plates 311 to rise and be divided into two rising gas clouds by the middle mixing plate 316. The two secondary separated gas clouds mix between adjacent middle mixing plates 316, resulting in a relatively lower temperature for the unburned gas cloud and less combustible medium remaining in the burned gas cloud. The low-temperature gas cloud mixes with the less combustible medium gas cloud and enters the interior of the top cavity frame 3143.

[0034] The upper part of the top cavity frame 3143 forms multiple cavities through multiple central partitions 325. Low-temperature insulation material can be stored inside the partition, with water-impregnated gypsum being the best choice. The specific method can be adjusted according to the actual usage environment to ensure that the top cavity frame 3143 maintains a relatively good low-temperature effect. The mixed air mass exchanges heat through the top cavity frame 3143 and is discharged to the outside at both ends, reducing the possibility of the flame continuing to burn and forming a fireproof effect.

[0035] like Figure 1 , Figure 2 and Figure 5 As shown, the flame arrestor assembly 32 includes a central partition 325 fixedly connected to the upper end of the flow guide 314. A flame arrestor strip 322 is fixedly connected to the upper end of the central partition 325. A plurality of central partition strips 323 are fixedly connected to the upper arc surface of the flame arrestor strip 322. Upper positioning plates 321 are fixedly connected to both sides of the flame arrestor strip 322. Two side baffles 324 are fixedly connected to the lower arc surface of the flame arrestor strip 322. The two side baffles 324 are fixedly connected to both sides of the central partition 325.

[0036] In this embodiment, multiple cavities are formed by combining the central partition 325 and the side baffles 324. The cavities can be filled with fireproof material. The central partition 325 is made of a flexible high-temperature resistant colloid, which has a certain degree of deformation while maintaining its functionality under high temperature. The specific material can be adjusted appropriately according to the actual use. The combination of the fire-resistant strip 322 and the central partition 323, together with the fireproof rock wool 33, forms a good fire-resistant effect that is not prone to large deformation, reducing the possibility of the flame continuing to rise and improving the fireproof effect.

[0037] Working principle: Multiple vertical plates 311 divide the flame into multiple small streams of flame. As the flame rises, turbulence is created by the overlapping of multiple vertical plates 311. External gas cannot quickly replenish the space between adjacent vertical plates 311. The high-temperature gas in the airflow mixes with the low-temperature gas that has undergone heat exchange with the vertical plates 311, thus reducing the overall temperature of the flame. After rising, the gas between adjacent vertical plates 311 is further divided into two rising air masses by the central mixing plate 316. The low-temperature air mass mixes with a smaller amount of combustible medium gas mass and enters the interior of the top cavity frame 3143. The top cavity frame 3143 maintains a relatively good low-temperature effect. The mixed air masses exchange heat through the top cavity frame 3143 and are discharged to both ends, reducing the possibility of continued combustion of the flame. The combination of the central partition plate 325 and the side baffle plate 324 forms multiple cavities filled with fireproof material. Together with fireproof rock wool 33, it forms a good fire-resistant effect that does not easily deform, further reducing the possibility of continued flame rise and improving the fireproof effect.

[0038] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0039] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A fireproof structure of a building deformation joint, characterized by, include: Expansion joint (1), which is formed by combining two building walls, and a cover plate (2) is provided inside the expansion joint (1), with both sides of the cover plate (2) extending into the interior of the adjacent wall; Fire prevention mechanism (3), the fire prevention mechanism (3) is installed inside the deformation gap (1), and the fire prevention mechanism (3) is located below the cover plate (2); The fireproof mechanism (3) includes fireproof rock wool (33) fixedly connected to the lower end of the cover plate (2), and a fire-resistant component (32) is provided below the fireproof rock wool (33). The fire-resistant component (32) is installed inside the deformation gap (1), and a fireproof component (31) is connected to the lower end of the fire-resistant component (32).

2. The firestop construction for an architectural transition joint according to claim 1, wherein, The fireproof component (31) includes multiple vertical plates (311) disposed inside the deformation joint (1). Multiple first fixing plates (312) and second fixing plates (313) are respectively disposed on both sides of the vertical plate (311). The first fixing plates (312) and second fixing plates (313) are respectively fixedly connected to both sides of the deformation joint (1). The first fixing plates (312) and second fixing plates (313) are staggered. The vertical plate (311) is fixedly connected to the surface of the adjacent first fixing plate (312) and second fixing plate (313). A flow guide (314) is fixedly connected to the upper end of the first fixing plate (312) and the second fixing plate (313).

3. The fireproof structure for building expansion joints according to claim 2, characterized in that, The fire-arresting assembly (32) includes a central partition (325) fixedly connected to the upper end of the flow guide (314). A fire-arresting strip (322) is fixedly connected to the upper end of the central partition (325). A plurality of central spacers (323) are fixedly connected to the upper arc surface of the fire-arresting strip (322). Upper positioning plates (321) are fixedly connected to both sides of the fire-arresting strip (322).

4. The fireproof structure for building expansion joints according to claim 2, characterized in that, The upper flat surface of the flow guide (314) is fixedly connected to the lower positioning plate (315), and the inner side of the flow guide (314) is fixedly connected to the middle mixing plate (316).

5. The fireproof structure for building expansion joints according to claim 4, characterized in that, The flow guide (314) includes a top cavity frame (3143) located in the middle of the deformation gap (1), and two bottom cavity frames (3142) are fixedly connected to the lower end of the top cavity frame (3143).

6. The fireproof structure for building expansion joints according to claim 5, characterized in that, The lower end of the bottom cavity frame (3142) is fixedly connected to a connecting plate (3141), the inner wall of the bottom cavity frame (3142) is fixedly connected to the surface of the middle mixing plate (316), and the upper end of the connecting plate (3141) is fixedly connected to the lower end of the lower positioning plate (315).

7. The fireproof structure for building expansion joints according to claim 3, characterized in that, The lower arc surface of the fire-resistant strip (322) is fixedly connected to two side baffles (324), and the two side baffles (324) are fixedly connected to both sides of the central partition (325).

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