CN216380169U

CN216380169U - A fire resistive construction for convex arc curtain

Info

Publication number: CN216380169U
Application number: CN202122879685.XU
Authority: CN
Inventors: 李媛琴; 黄丹; 王晓洁; 丁荣; 王镝; 巫志强
Original assignee: Shenzhen Aube Architectural Engineering Design Co ltd
Current assignee: Shenzhen Aube Architectural Engineering Design Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-26
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a fireproof structure for an outward-protruding arc-shaped curtain wall, which comprises an upper layer plate, a lower layer plate and curtain wall glass fixedly arranged on one side of the upper layer plate and one side of the lower layer plate, wherein one end of the upper layer plate is fixedly provided with a first partition supporting assembly, one end of the lower layer plate is provided with a second partition supporting assembly, one sides of the first partition supporting assembly and the second partition supporting assembly, which are far away from the upper layer plate, are abutted against the curtain wall glass, one side of the curtain wall glass, which faces the upper layer plate, is abutted against a plurality of curtain wall steel keels which are equidistantly constructed on one sides of the upper layer plate and the lower layer plate, the first partition supporting assembly comprises a C-shaped supporting member I, and one side of the C-shaped supporting member I is adhered with a fireproof cotton I. This a fire resistive construction for convex arc curtain possesses side direction fire prevention block structure, has strengthened the back-fire relief ability between the layer of this curtain by a wide margin to very big restriction the flue gas and has stretchd, and can be convenient for the staff confirm the floor of starting a fire and the intensity of a fire position of stretching, convenient to use, the practicality is stronger.

Description

A fire resistive construction for convex arc curtain

Technical Field

The utility model belongs to the technical field of building fire prevention, and particularly relates to a fire prevention structure for an outward-convex arc-shaped curtain wall.

Background

At present, when the high-rise conflagration breaing out of installing glass curtain wall, along with stretching of intensity of a fire, the indoor pressure of this floor slowly increases, and glass in the curtain breaks under the swallowing roll of flame to make more oxygen supply to indoor, encourage the intensity of a fire to further increase, stretch to the inboard at the bottom of the board of last floor and curtain wall structure. Moreover, a certain fire may jump out of a broken window and begin to attack the outside of the upper curtain wall structure, causing the fire to be rapid, spread and difficult to control.

Therefore, the research on the fire spread of high-rise buildings is kept all the time around the world. Standardized tests have been adopted in many countries and regions for the construction of fire-blocking of seams between layers of curtain walls. Related building and safety codes have begun to provide regulations for high-rise buildings with curtain walls to ensure life and property safety.

The curtain wall of the existing high-rise building is not completely vertical to the ground, wherein for the fire extending upwards, the convex arc curtain has higher risk compared with the traditional vertical curtain wall, how to ensure that the interlayer plugging between the upper layer and the lower layer can effectively prevent the smoke and the fire from spreading upwards is not seen, and the authoritative design structure is not seen at present.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a fire-proof structure for an outwardly convex arc curtain wall, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a fireproof structure for an outward-convex arc-shaped curtain wall comprises an upper layer plate, a lower layer plate and curtain wall glass fixedly arranged on one side of the upper layer plate and one side of the lower layer plate;

one end of the upper layer plate is fixedly provided with a first partition supporting assembly, one end of the lower layer plate is provided with a second partition supporting assembly, one sides of the first partition supporting assembly and the second partition supporting assembly, which are far away from the upper layer plate, are abutted against curtain wall glass, and one side of the curtain wall glass, which faces the upper layer plate, is abutted against a plurality of curtain wall steel keels which are equidistantly constructed on one sides of the upper layer plate and the lower layer plate;

the partition supporting assembly comprises a C-shaped supporting piece I constructed on one side of the upper plate, and fireproof cotton I abutting against the curtain wall glass is bonded on one side, facing the curtain wall glass, of the C-shaped supporting piece I;

the partition support assembly II comprises a C-shaped support piece II constructed on one side of the lower plate, and one side, facing the curtain wall glass, of the C-shaped support piece II is bonded with a fireproof cotton II abutted against the curtain wall glass.

Furthermore, the first C-shaped support piece and the second C-shaped support piece are both C-shaped steel sections, and both the first C-shaped support piece and the second C-shaped support piece are provided with a steel back part and two supporting parts for supporting curtain wall glass.

Furthermore, the bottom of one side of the C-shaped support piece far away from the curtain wall glass on the steel back is fixedly provided with a smoke detector, and one side of the smoke detector is fixedly connected with a probe main body which penetrates through the steel back and extends into the fireproof cotton I.

Compared with the prior art, the utility model has the following beneficial effects:

thanks to the arrangement of the first partition support component arranged on one side of the upper plate and the second partition support component arranged on one side of the lower plate, the curtain wall glass is supported by the first partition support component and the second partition support component, lateral fireproof plugs are formed between the upper plate and the lower plate and the curtain wall glass by the first C-shaped support component and the second C-shaped support component which are in the shape of C-shaped steel sections, and the first fireproof cotton and the second fireproof cotton are matched to further improve the plugging effect so as to form an isolation cavity for isolating the fire spread, so that the interlayer fire-retardant capability of the curtain wall can be greatly enhanced, the smoke spread is greatly limited, and the practicability is strong;

benefit from the setting of installing the smoke detector of probe main part, whether mix smog in the first probe main part real-time supervision fireproof cotton of extending into fireproof cotton through the smoke detector cooperation to the staff confirms the floor of starting a fire and the intensity of a fire and spreads to where convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a first partition support assembly according to the present invention;

fig. 3 is a schematic structural view of a partition support assembly ii according to the present invention.

In the figure: 1. an upper plate; 2. a first partition supporting component; 201. a first C-shaped support part; 202. 1, fireproof cotton I; 203. a smoke detector; 204. a probe body; 3. a lower layer plate; 4. a second partition supporting component; 401. a C-shaped support member II; 402. a second fireproof cotton; 5. curtain wall glass; 6. curtain wall steel joist.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a fire-proof structure for an outward convex arc-shaped curtain wall comprises an upper plate 1, a lower plate 3 and curtain wall glass 5 fixedly arranged on one side of the upper plate 1 and the lower plate 3, wherein one end of the upper plate 1 is fixedly provided with a first partition supporting component 2, one end of the lower plate 3 is provided with a second partition supporting component 4, one sides of the first partition supporting component 2 and the second partition supporting component 4, which are far away from the upper plate 1, are abutted against the curtain wall glass 5, and one side of the curtain wall glass 5, which faces the upper plate 1, is abutted against a plurality of curtain wall steel keels 6 which are equidistantly constructed on one sides of the upper plate 1 and the lower plate 3;

the first separation supporting component 2 comprises a C-shaped supporting component 201 constructed on one side of the upper plate 1, one side, facing the curtain wall glass 5, of the C-shaped supporting component 201 is provided with a first fireproof cotton 202 in an adhering mode and abutted against the curtain wall glass 5 in an adhering mode, the second separation supporting component 4 comprises a second C-shaped supporting component 401 constructed on one side of the lower plate 3, one side, facing the curtain wall glass 5, of the second C-shaped supporting component 401 is provided with a second fireproof cotton 402 in an adhering mode and abutted against the curtain wall glass 5 in an adhering mode, the first C-shaped supporting component 201 and the second C-shaped supporting component 401 are both made of C-shaped steel sections, the first C-shaped supporting component 201 and the second C-shaped supporting component 401 are both provided with a steel back portion and two supporting portions, the steel back portion is used for supporting the curtain wall glass 5, the curtain wall glass 5 is supported through the first separation supporting component 2 and the second separation supporting component 4, and lateral fireproof sealing is formed between the upper plate 1 and the lower plate 3 and the curtain wall glass 5 through the first C-shaped supporting component 201 and the C-shaped supporting component 401, and the cotton 202 of cooperation fire prevention and the cotton two 402 of fire prevention further improve the effect of shutoff to form the isolation chamber that is used for the separation intensity of a fire to spread, can strengthen the back-fire relief ability between the layer of this curtain by a wide margin, and very big restriction the flue gas and spread, the practicality is stronger.

Wherein, the fixed smoke detector 203 that is provided with in bottom that the curtain wall glass 5 one side was kept away from at steel back on C type support piece 201, and one side fixedly connected with of smoke detector 203 passes the steel back and extends to the probe main part 204 in the cotton 202 of fire prevention, whether mix smog in the cotton 202 of fire prevention of probe main part 204 real-time supervision that extends into in the cotton 202 of fire prevention through the cooperation of smoke detector 203 to it spreads to where convenient to use to be convenient for the staff confirms the floor of starting a fire and the intensity of a fire.

The working principle is as follows: this a fire resistive construction for convex arc curtain, in using, through constructing one side of C type support piece 201 in upper plate 1, construct two 401 with C type support piece in one side of lower floor slab 3 again, then accomplish the support to curtain wall glass 5 through cutting off supporting component 2 and cutting off two 4 completions of supporting component, make its butt in a plurality of curtain steel joists 6, on the cotton 202 of fire prevention and the cotton two 402 of fire prevention, can accomplish the setting to the curtain, and form the isolation space that is used for the fire prevention, possess the fire retardance ability between stronger layer, and very big restriction the flue gas is spread, and installation easy operation, high durability and convenient use.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A fireproof structure for an outward-convex arc-shaped curtain wall comprises an upper layer plate (1), a lower layer plate (3) and curtain wall glass (5) fixedly arranged on one side of the upper layer plate (1) and one side of the lower layer plate (3);

the method is characterized in that: one end of the upper plate (1) is fixedly provided with a first partition supporting component (2), one end of the lower plate (3) is provided with a second partition supporting component (4), one sides, far away from the upper plate (1), of the first partition supporting component (2) and the second partition supporting component (4) are abutted against curtain wall glass (5), and one side, facing the upper plate (1), of the curtain wall glass (5) is abutted against a plurality of curtain wall steel keels (6) which are constructed on one sides of the upper plate (1) and the lower plate (3) at equal intervals;

the first partition supporting assembly (2) comprises a first C-shaped supporting piece (201) constructed on one side of the upper plate (1), and one side, facing the curtain wall glass (5), of the first C-shaped supporting piece (201) is provided with a first fireproof cotton (202) abutted against the curtain wall glass (5) in a bonding mode;

the second partition supporting component (4) comprises a second C-shaped supporting piece (401) constructed on one side of the lower plate (3), and one side, facing the curtain wall glass (5), of the second C-shaped supporting piece (401) is bonded with a second fireproof cotton (402) abutted against the curtain wall glass (5).

2. A fire protection structure for an outwardly convex curved curtain wall as claimed in claim 1, wherein: the first C-shaped supporting piece (201) and the second C-shaped supporting piece (401) are both C-shaped steel sectional materials, and the first C-shaped supporting piece (201) and the second C-shaped supporting piece (401) are both provided with a steel back part and two supporting parts for supporting curtain wall glass (5).

3. A fire protection construction for an outwardly convex curved curtain wall as claimed in claim 2, wherein: the bottom of one side of the curtain wall glass (5) is kept away from at the steel back on C type support piece (201) is fixedly provided with smoke detector (203), and one side fixedly connected with of smoke detector (203) passes the steel back and extends to probe main part (204) in the fireproof cotton (202).