Building fireproof plugging node

Abstract

The utility model discloses a building fireproof plugging node which comprises a floor slab and a glass curtain wall unit arranged on the outer side of the floor slab, an atrium structure is arranged at the top of the floor slab, a ceiling structure is arranged at the bottom of the floor slab, and a first fireproof piece is arranged at the top end of the floor slab. A second fireproof part is arranged between the outer side of the end of the floor and the glass curtain wall unit, and a first heat preservation layer is arranged at the bottom of the second fireproof part and located on the inner side of the glass curtain wall unit. A steel structure boundary beam is fixedly arranged at the bottom of the floor, an inner reinforcing fireproof part is fixedly arranged at the bottom of the steel structure boundary beam, a third fireproof part is arranged between the inner reinforcing fireproof part and the glass curtain wall unit, and a second heat preservation layer is arranged between the third fireproof part and the suspended ceiling structure. The joint can conduct fireproof treatment on the connecting positions of the glass curtain wall, the atrium and the indoor suspended ceiling, the fireproof effect is good, the sealant is made to be away from a fire source, fire spreading is prevented, and the joint further has certain heat preservation capacity and is high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of fire prevention nodes in building construction, in particular to a fire prevention blocking node in a building. Background Art

[0002] As a building envelope structure that integrates architectural art and construction technology, curtain walls are widely used in the exterior decoration of buildings, especially in building exterior walls, building atriums and sunken squares. Glass curtain walls are commonly used in high-rise buildings. In the event of a fire, glass curtain walls are prone to bursting. After the glass curtain wall bursts, the fire on the lower floor can easily spread from the outside of the floor to the upper floor, causing a fire spreading phenomenon. Therefore, the fire resistance of the curtain wall is a technical problem that needs to be solved urgently. The authorization announcement number is CN 214423713 The utility model patent of U discloses a connection node of a fireproof curtain wall, including an aluminum alloy column, an aluminum alloy crossbeam fixedly connected in the aluminum alloy column, the aluminum alloy crossbeam is vertically arranged with the aluminum alloy column, a middle partition is fixedly connected to the side of the aluminum alloy crossbeam, the middle partition is fixedly connected to the window frame, the aluminum alloy crossbeam is fixedly connected with a window sash, the window sash is arranged on the side of the window frame away from the middle partition, glass is fixedly connected to both sides of the middle partition, an aluminum veneer is arranged on the side of the aluminum alloy column, and an insulation layer is filled between the aluminum veneer and the aluminum alloy column. The aluminum alloy column is fixedly connected to the internal support plate on the side away from the aluminum single plate. There is a fireproof layer in the internal support plate. The thermal insulation layer is added to the curtain wall to improve the overall thermal insulation performance of the curtain wall. The fireproof layer can play a fireproof role and can block the flames inside and outside the curtain wall aluminum alloy frame and prevent the sealant between the curtain wall frames from melting due to heat, so that the curtain wall can prevent the spread of disasters in a fire. However, the structure is relatively simple. When the interlayer fireproof structure is damaged due to fire, it cannot effectively prevent the fire from spreading between layers. Utility Model Content

[0003] The utility model aims to provide a building fireproof blocking node, which can perform fireproof treatment on the connection position between the glass curtain wall and the atrium and the indoor ceiling, has good fireproof effect, keeps the sealant away from the fire source to prevent the fire from spreading, and also has a certain heat preservation ability and is highly practical.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A building fireproof plugging node, comprising a floor slab and a glass curtain wall unit arranged outside the floor slab. An atrium structure is arranged on the top of the floor slab, and a suspended ceiling structure is arranged at the bottom of the floor slab. A first fireproof member is arranged at the top end of the floor slab, and a second fireproof member is arranged between the outside of the floor slab end and the glass curtain wall unit. A first heat insulation layer is arranged at the bottom of the second fireproof member and inside the glass curtain wall unit. A steel structure side beam is fixedly arranged at the bottom of the floor slab, and an internal reinforced fireproof member is fixedly arranged at the bottom of the steel structure side beam. A third fireproof member is arranged between the internal reinforced fireproof member and the glass curtain wall unit, and a second heat insulation layer is arranged between the third fireproof member and the suspended ceiling structure.

[0006] Preferably, embedded parts are arranged at the end of the floor slab, and the steel structure side beam is fixedly installed at the bottom of the embedded parts.

[0007] Preferably, an air duct is arranged above the suspended ceiling structure and inside the second heat insulation layer.

[0008] Preferably, a window sash is arranged between the glass curtain wall unit and the second heat insulation layer, and an electric sunshade louver is arranged outside the window sash.

[0009] Preferably, the second heat insulation layer has the same structure as the first heat insulation layer, both including a heat insulation outer wrapping layer and first heat insulation rock wool filled in the heat insulation outer wrapping layer.

[0010] Preferably, the second fireproof member has the same structure as the third fireproof member, both including a fireproof outer wrapping layer and second heat insulation rock wool and second fireproof rock wool filled in the fireproof outer wrapping layer.

[0011] Preferably, the internal reinforced fireproof member includes a channel steel fixedly arranged at the bottom of the steel structure side beam, first fireproof rock wool arranged in the channel steel, and calcium silicate board wrapped outside the channel steel. One end of the third fireproof member is fixedly sealed and installed at the bottom of the calcium silicate board.

[0012] Preferably, the top of the calcium silicate board and the bottom of the steel structure side beam are fixedly sealed and connected by fireproof sealant.

[0013] In the utility model, the arranged second fireproof member, steel structure side beam, internal reinforced fireproof member and third fireproof member form a U-shaped fireproof area, which can effectively conduct fireproof treatment on the connection position between the glass curtain wall and the atrium and the indoor suspended ceiling. The first fireproof member can prevent the spread of fire between floors, effectively improving the fireproof structure. The arranged second heat insulation layer, first heat insulation layer and fireproof rock wool in the second fireproof member and the third fireproof member can effectively improve the heat insulation ability of the fireproof node. The arranged internal reinforced fireproof member has an internal and external double-layer fireproof structure, which can effectively block the spread of fire and temperature between the indoor and outdoor sides, strengthening the fireproof ability. Brief Description of the Drawings

[0014] Figure 1 This is a schematic cross-sectional view of the overall structure of the present utility model;

[0015] Figure 2 This is a schematic view of the partial structure of the present utility model;

[0016] Figure 3 This is an enlarged schematic view of the partial structure of the present utility model;

[0017] In the figure: 1, floor slab; 2, glass curtain wall unit; 3, atrium structure; 4, ceiling structure; 5, first fire protection member; 6, second fire protection member; 7, first insulation layer; 8, steel structure side beam; 9, internal enhanced fire protection member; 10, embedded part; 11, third fire protection member; 12, second insulation layer; 13, air duct; 14, window sash; 15, electric sunshade louvers; 20, fireproof outer wrapping layer; 21, second insulating rock wool; 22, second fireproof rock wool; 23, insulating outer wrapping layer; 24, first insulating rock wool; 90, channel steel; 91, first fireproof rock wool; 92, calcium silicate board. Detailed Description of the Preferred Embodiment

[0018] The following further describes the present utility model with reference to the accompanying drawings:

[0019] As shown in Figure 1 , Figure 2 and Figure 3 A building fireproof plugging node includes a floor slab 1 and a glass curtain wall unit 2 fixedly arranged outside the floor slab 1. An atrium structure 3 is arranged on the top of the floor slab 1, and a ceiling structure 4 is fixedly arranged at the bottom of the floor slab 1. A first fire protection member 5 is arranged at the top end of the floor slab 1. The first fire protection member 5 is composed of a hot-dip galvanized steel plate and fireproof rock wool arranged inside the hot-dip galvanized steel plate. The thickness of the hot-dip galvanized steel plate is 1.5 mm. One end of the hot-dip galvanized steel plate is fixedly arranged on the window sash, and the other end of the hot-dip galvanized steel plate is fixedly and hermetically arranged on the top of the floor slab 1.

[0020] A second fire protection member 6 is arranged between the outer side of the end of the floor slab 1 and the glass curtain wall unit 2. The second fire protection member 6 includes a fireproof outer wrapping layer 20 and second insulating rock wool 21 and second fireproof rock wool 22 filled inside the fireproof outer wrapping layer 20. The vertical cross-section of the second fire protection member 6 is rectangular, and the fireproof outer wrapping layer 20 is made of a 1.5-mm-thick hot-dip galvanized steel plate.

[0021] A first thermal insulation layer 7 is provided at the bottom of the second fireproof member 6 and on the inner side of the glass curtain wall unit 2. The first thermal insulation layer 7 includes a thermal insulation outer wrapping layer 23 and a first thermal insulation rock wool 24 filled in the thermal insulation outer wrapping layer 23. The thermal insulation outer wrapping layer 23 is made of a 1.5-mm-thick hot-dip galvanized steel plate. The upper and lower inner ends of the second fireproof member 6 are fixedly connected to the second fireproof member 6 and the third fireproof member 11 respectively through L-shaped connecting members.

[0022] A steel structure side beam 8 is fixedly provided at the bottom of the floor slab 1, and a pre-embedded part 10 is pre-embedded at the end of the floor slab 1. The top of the steel structure side beam 8 is fixedly installed on the bottom of the pre-embedded part 10. An inner enhanced fireproof member 9 is fixedly provided at the bottom of the steel structure side beam 8. The inner enhanced fireproof member 9 includes a channel steel 90 fixedly provided at the bottom of the steel structure side beam 8, a first fireproof rock wool 91 filled in the channel steel 90, and a calcium silicate board 92 wrapped outside the channel steel 90. Specifically, the calcium silicate board 92 is a 100-mm-thick fiber-reinforced calcium silicate board. The top of the calcium silicate board 92 is fixedly and sealingly connected to the bottom of the steel structure side beam 8 through a fireproof sealant.

[0023] A third fireproof member 11 is provided between the inner enhanced fireproof member 9 and the glass curtain wall unit 2. The third fireproof member 11 includes a fireproof outer wrapping layer 20 and a second thermal insulation rock wool 21 and a second fireproof rock wool 22 filled in the fireproof outer wrapping layer 20. The vertical cross-section of the third fireproof member 11 is rectangular. The fireproof outer wrapping layer 20 is made of a 1.5-mm-thick hot-dip galvanized steel plate. One end of the third fireproof member 11 is fixedly installed on the bottom of the calcium silicate board 92 through a fireproof sealant.

[0024] A second thermal insulation layer 12 is fixedly provided between the third fireproof member 11 and the ceiling structure 4. The second thermal insulation layer 12 includes a thermal insulation outer wrapping layer 23 and a first thermal insulation rock wool 24 filled in the thermal insulation outer wrapping layer 23. The thermal insulation outer wrapping layer 23 is made of a 1.5-mm-thick hot-dip galvanized steel plate. An air duct 13 is provided above the ceiling structure 4 and on the inner side of the second thermal insulation layer 12. A window sash 14 is provided between the glass curtain wall unit 2 and the second thermal insulation layer, and an electric sunshade louver 15 is provided on the outer side of the window sash 14.

[0025] The above embodiments are only several descriptions of the concept and implementation of the present utility model, and are not intended to limit it. Under the concept of the present utility model, the technical solutions without substantial transformation are still within the protection scope.

Claims

1. A building fireproof sealing node, comprising a floor slab and a glass curtain wall unit arranged outside the floor slab. An atrium structure is arranged at the top of the floor slab, and a ceiling structure is arranged at the bottom of the floor slab. It is characterized in that: A first fireproof member is provided at the top end of the floor slab. A second fireproof member is provided between the outer side of the floor slab end and the glass curtain wall unit. A first heat insulation layer is provided at the bottom of the second fireproof member and inside the glass curtain wall unit. A steel structure side beam is fixedly provided at the bottom of the floor slab. An internal reinforced fireproof member is fixedly provided at the bottom of the steel structure side beam. A third fireproof member is provided between the internal reinforced fireproof member and the glass curtain wall unit. A second heat insulation layer is provided between the third fireproof member and the ceiling structure.

2. The building fireproof plugging node according to claim 1, wherein: An embedded part is provided at the end of the floor slab, and the steel structure side beam is fixedly installed at the bottom of the embedded part.

3. The building fireproof sealing node according to claim 1 or 2, characterized in that: An air duct is provided above the ceiling structure and inside the second heat insulation layer.

4. The building fireproof plugging node according to claim 1, characterized in that: A window sash is provided between the glass curtain wall unit and the second heat insulation layer, and an electric sunshade louver is provided outside the window sash.

5. The building fireproof plugging node according to claim 1 or 4, characterized in that: The second heat insulation layer has the same structure as the first heat insulation layer, and both include a heat insulation outer wrapping layer and first heat insulation rock wool filled in the heat insulation outer wrapping layer.

6. The building fireproof plugging node according to claim 1, characterized in that: The second fireproof member has the same structure as the third fireproof member, and both include a fireproof outer wrapping layer and second heat insulation rock wool and second fireproof rock wool filled in the fireproof outer wrapping layer.

7. The building fireproof sealing node according to claim 1, wherein: The internal reinforced fireproof member includes a channel steel fixedly provided at the bottom of the steel structure side beam, first fireproof rock wool provided in the channel steel, and calcium silicate board wrapped outside the channel steel. One end of the third fireproof member is fixedly and hermetically installed at the bottom of the calcium silicate board.

8. The building fireproof plugging node according to claim 7, characterized in that: The top of the calcium silicate board and the bottom of the steel structure side beam are fixedly and hermetically connected by fireproof sealant.

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