CN111255337A

CN111255337A - Fireproof hole plugging structure

Info

Publication number: CN111255337A
Application number: CN202010134225.1A
Authority: CN
Inventors: 张东风; 李春芳; 候玉刚; 赵建明; 张坤良; 闫志伟
Original assignee: Beijing Tianrun Construction Co Ltd
Current assignee: Beijing Tianrun Construction Co Ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-06-09

Abstract

The invention belongs to the technical field of building fire prevention, and discloses a fire-proof cave entrance plugging structure which is used for plugging a part to be plugged between a door opening and a door frame and comprises a flame-retardant plate and a fixing component, wherein the flame-retardant plate is arranged at the part to be plugged, the periphery of the flame-retardant plate is hermetically connected with the edge of the part to be plugged, the flame-retardant plate has good fire resistance, and when a fire disaster occurs, the flame-retardant plate can block the spread of the fire disaster, prevent the entry of toxic gas and ensure the safety of personnel; the one end of fixed subassembly links firmly in the wall of seting up the door opening, and the other end links firmly in the door frame, and fixed subassembly butt is used for consolidating fire-retardant board in fire-retardant board, and fixed subassembly guarantees fire-retardant board's stability, prevents because the intensity of a fire rapidly leads to fire-retardant board to drop for the condition that the intensity of a fire spreads takes place. The fireproof cave entrance plugging structure provided by the invention can solve the problems of poor fire resistance, unstable plugging and the like of a plugging part, thereby playing a better fireproof role.

Description

Fireproof hole plugging structure

Technical Field

The invention belongs to the technical field of building fire prevention, and particularly relates to a fireproof hole plugging structure.

Background

With the increasing safety awareness of people, fire prevention is very important in all industries, especially the control of fire in the construction industry is becoming stricter. Prevent hot wall in office building and the resident building more be provided with, when the house was built, can reserve the fire door hole on the firewall in order to install and prevent fire door, when the size specification in fire door hole was greater than the size of preventing fire door, prevent that the space between fire door hole and door frame need carry out the shutoff to prevent that the intensity of a fire from stretching and play fine isolation to the intensity of a fire, prevent the expansion of the intensity of a fire, smog or toxic gas's diffusion.

At present, most of the plugging modes of the fireproof hole are that fireproof materials are directly filled in a part to be plugged, which is formed between a door hole and a door frame, and fireproof sealant is used for sticking, so that the plugging structure is easy to have the problems of poor fireproof performance, unstable plugging and the like.

Therefore, a fire-proof hole plugging structure is needed to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a fireproof cave entrance plugging structure which can solve the problems of poor fire resistance, unstable plugging and the like of a plugging part, thereby achieving a better fireproof effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a fire prevention entrance to a cave block structure for the position of treating the shutoff between shutoff door opening and the door frame includes:

the flame-retardant plate is arranged at the part to be blocked, and the periphery of the flame-retardant plate is connected with the edge of the part to be blocked in a sealing way;

and one end of the fixing component is fixedly connected with the wall provided with the door opening, the other end of the fixing component is fixedly connected with the door frame, and the fixing component is abutted against the flame-retardant plate.

Preferably, the flame-retardant plate is a cement foaming insulation plate.

Preferably, the fixing assemblies are arranged in plurality, and the fixing assemblies are arranged at intervals side by side along the extending direction of the flame-retardant plate.

Preferably, the distance between two adjacent fixing assemblies is not more than 500 cm.

Preferably, the thickness of the flame retardant plate is equal to the thickness of the door frame.

Preferably, the fixing component comprises a first connecting piece and a second connecting piece, two ends of the first connecting piece are fixedly connected to the wall and the door frame respectively, the first connecting piece abuts against the front face of the flame-retardant plate, two ends of the second connecting piece are fixedly connected to the wall and the door frame respectively, and the second connecting piece abuts against the back face of the flame-retardant plate.

Preferably, the front face of the flame-retardant plate is flush with the front face of the wall, the first connecting piece comprises a long plate and a short plate connected with the long plate in an L shape, the short plate is clamped between the flame-retardant plate and the door frame, one end of the long plate, which is far away from the short plate, is fixedly connected with the front face of the wall, and the long plate is abutted to the front face of the flame-retardant plate.

Preferably, the back of the flame-retardant plate is perpendicular to the inner wall of the door opening, the second connecting piece comprises a first plate, a second plate and a middle plate, the first plate and the second plate are respectively and perpendicularly connected to the two ends of the middle plate, the first plate and the second plate are respectively located on the two sides of the middle plate, the first plate is clamped between the flame-retardant plate and the door frame, the second plate is fixedly connected with the inner wall of the door opening, and the middle plate is abutted to the back of the flame-retardant plate.

Preferably, the fixing assembly further comprises a plurality of fasteners, and the first connecting member and the second connecting member are both fixedly connected to the wall and the door frame through the fasteners.

Preferably, the fastener is an expansion bolt.

The invention has the beneficial effects that:

the invention provides a fireproof cave entrance plugging structure which is used for plugging a part to be plugged between a door opening and a door frame and comprises a flame retardant plate and a fixing component, wherein the flame retardant plate seals the part to be plugged; the one end of fixed subassembly links firmly in the wall, and the other end links firmly in the door frame, and fixed subassembly butt is used for consolidating fire-retardant board in fire-retardant board, and fixed subassembly guarantees fire-retardant board's stability, prevents because the fire rapidly leads to fire-retardant board to drop for the condition that the fire stretchs takes place. The fireproof cave entrance plugging structure provided by the invention can solve the problems of poor fire resistance, unstable plugging and the like of a plugging part, thereby playing a better fireproof role.

Drawings

FIG. 1 is a front view of a fireproof opening blocking structure provided by an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

fig. 3 is an enlarged view at B in fig. 2.

In the figure:

1. a flame retardant sheet; 2. a fixing assembly; 3. a wall; 4. a door frame;

21. a first connecting member; 22. a second connecting member; 23. a fastener.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "mounted" are to be construed broadly, e.g., as meaning both connected and disconnectable, mechanically and electrically, directly or indirectly via intermediate media, whether internal or external to the elements, or in any other relationship between the elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 3, the embodiment provides a fireproof opening blocking structure for blocking a to-be-blocked portion between a door opening and a door frame 4, which includes a flame retardant plate 1 and a fixing component 2, wherein the flame retardant plate 1 is disposed at the to-be-blocked portion, and the periphery of the flame retardant plate 1 is hermetically connected with the edge of the to-be-blocked portion; one end of the fixing component 2 is fixedly connected with a wall 3 provided with a door opening, the other end is fixedly connected with a door frame 4, and the fixing component 2 is abutted against the flame-retardant plate 1.

According to the fireproof cave entrance plugging structure provided by the embodiment, the flame retardant plate 1 is plugged at the part to be plugged, the flame retardant plate 1 has good fire resistance, and can block the spread of fire when a fire disaster occurs, prevent the entry of toxic gas and ensure the safety of personnel; fixed subassembly 2 is used for consolidating fire-retardant board 1, guarantees fire-retardant board 1's stability, prevents because the fire rapidly leads to fire-retardant board 1 to drop for the condition that the fire stretchs takes place. The fire prevention entrance to a cave shutoff structure that this embodiment provided can solve the poor, the unstable scheduling problem of shutoff of the fire resistance that the shutoff part appears to play better fire prevention effect.

Optionally, the flame retardant plate 1 is a cement foaming insulation board, and in this embodiment, the flame retardant plate 1 is formed by sticking three layers of cement foaming insulation boards by using a special adhesive. The cement foaming insulation board has good flame retardance, is economical and practical, can play a good fireproof role, and can save cost.

Specifically, the fixing members 2 are provided in plurality, and the plurality of fixing members 2 are arranged at intervals side by side along the extending direction of the flame retardant panel 1. Preferably, the distance between two adjacent fixing assemblies 2 is not greater than 500 cm. The small distance of separation can ensure the stability of the fire retardant panel 1.

More specifically, fixed subassembly 2 includes first connecting piece 21 and second connecting piece 22, and the both ends of first connecting piece 21 link firmly in wall 3 and door frame 4 respectively, and first connecting piece 21 butt links firmly in the front of fire-retardant board 1, and the both ends of second connecting piece 22 link firmly in wall 3 and door frame 4 respectively, and second connecting piece 22 butt links firmly in the back of fire-retardant board 1. The fire retardant panel 1 is sandwiched between the first connector 21 and the second connector 22 so that the fire retardant panel 1 is fixed more firmly.

Optionally, the thickness of the fire retardant panel 1 is equal to the thickness of the door frame 4. The installation of the fixing component 2 is facilitated, and the attractiveness of the plugging part is ensured.

Specifically, the front of fire-retardant board 1 and the front parallel and level of wall 3, first connecting piece 21 include the long slab and be the short slab that the L type is connected with the long slab, and the short slab presss from both sides and locates between fire-retardant board 1 and door frame 4, and the one end that the short slab was kept away from to the long slab links firmly with the front of wall 3, and the long slab butts with the front of fire-retardant board 1. The short plate clamp is arranged between the flame-retardant plate 1 and the door frame 4 and is connected with the outer side face of the door frame 4, so that the front connection with the door frame 4 is avoided, the connection stability is not influenced, and the front attractiveness of the door frame 4 can be guaranteed. In this embodiment, the first connecting member 21 is an L-shaped steel hanger.

More specifically, the back of fire-retardant board 1 is perpendicular to the inner wall of door opening, and second connecting piece 22 includes first board, second board and intermediate lamella, and first board and second board are perpendicular connection respectively in the both ends of intermediate lamella, and first board and second board are located the both sides of intermediate lamella respectively, and the first board presss from both sides to be located between fire-retardant board 1 and the doorframe 4, and the second board links firmly with the inner wall of door opening, and the intermediate lamella is with the back butt of fire-retardant board 1. Because the thickness of wall 3 is greater than the thickness of door frame 4, when the front of fire-retardant board 1 and the front parallel and level of wall 3, the back of fire-retardant board 1 must form perpendicular turning with the inner wall of door opening, the setting of second connecting piece 22 structure can enough be with door frame 4 and the firm connection of wall 3, can guarantee again that the shutoff position is pleasing to the eye. In this embodiment, the second connecting member 22 may be made of an L-shaped steel hanger through a process.

Specifically, the fixing assembly 2 further includes a plurality of fasteners 23, and the first connecting member 21 and the second connecting member 22 are both fixed to the wall 3 and the door frame 4 by the fasteners 23. Preferably, the fastening member 23 is an expansion bolt, which can fix the first and

second connection members

21 and 22 more firmly.

The steps of constructing the fireproof hole blocking structure of the embodiment are as follows: firstly, a first connecting piece 21 is fixedly connected between the wall 3 and the door frame 4; secondly, sticking the three cement foaming heat-insulation plates together, plugging the three cement foaming heat-insulation plates at the part to be plugged, and ensuring that the front surfaces of the three cement foaming heat-insulation plates are tightly attached to the first connecting piece 21; thirdly, fixedly connecting the second connecting piece 22 between the wall 3 and the door frame 4 to ensure that the second connecting piece 22 is abutted against the back of the cement foaming insulation board; and finally, leveling the surface of the cement foamed insulation board by adopting a polymer and pressing. The manufacturing of the cement foaming insulation board in the above steps can refer to the prior art, and is not described herein again.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a fire prevention entrance to a cave block structure for treat the shutoff position between shutoff door opening and door frame (4), its characterized in that includes:

the flame-retardant plate (1) is arranged at the part to be blocked, and the periphery of the flame-retardant plate (1) is hermetically connected with the edge of the part to be blocked;

one end of the fixed component (2) is fixedly connected with the wall (3) provided with the door opening, the other end of the fixed component is fixedly connected with the door frame (4), and the fixed component (2) is abutted against the flame-retardant plate (1).

2. A fire protection hole plugging structure according to claim 1, wherein said fire retardant panel (1) is a cement foamed insulation panel.

3. The fire hole blocking structure according to claim 1, characterized in that the fixing member (2) is provided in plurality, and a plurality of the fixing members (2) are arranged at intervals side by side along the extending direction of the fire retardant panel (1).

4. A fire hole blocking structure according to claim 3, characterized in that the distance between two adjacent fixing assemblies (2) is not more than 500 cm.

5. Fire hole blocking structure according to claim 1, characterized in that the thickness of the fire retardant panel (1) is equal to the thickness of the door frame (4).

6. A fire protection aperture blocking structure according to claim 1, characterized in that the fixing component (2) comprises a first connecting piece (21) and a second connecting piece (22), both ends of the first connecting piece (21) are respectively connected to the wall (3) and the door frame (4), the first connecting piece (21) abuts against the front face of the fire retardant plate (1), both ends of the second connecting piece (22) are respectively connected to the wall (3) and the door frame (4), and the second connecting piece (22) abuts against the back face of the fire retardant plate (1).

7. The fireproof opening blocking structure of claim 6, wherein the front surface of the fire retardant plate (1) is flush with the front surface of the wall (3), the first connecting piece (21) comprises a long plate and a short plate connected with the long plate in an L shape, the short plate is clamped between the fire retardant plate (1) and the door frame (4), one end of the long plate, which is far away from the short plate, is fixedly connected with the front surface of the wall (3), and the long plate is abutted against the front surface of the fire retardant plate (1).

8. The fireproof opening blocking structure of claim 6, wherein the back surface of the fire retardant plate (1) is perpendicular to the inner wall of the door opening, the second connecting member (22) comprises a first plate, a second plate and a middle plate, the first plate and the second plate are respectively perpendicularly connected to two ends of the middle plate, the first plate and the second plate are respectively located on two sides of the middle plate, the first plate is clamped between the fire retardant plate (1) and the door frame (4), the second plate is fixedly connected with the inner wall of the door opening, and the middle plate is abutted to the back surface of the fire retardant plate (1).

9. A fire hole blocking structure according to claim 6, characterized in that said fixing assembly (2) further comprises a plurality of fasteners (23), said first connecting member (21) and said second connecting member (22) being each secured to said wall (3) and to said door frame (4) by means of said fasteners (23).

10. A fire hole blocking structure according to claim 9, characterised in that the fastening element (23) is an expansion bolt.