CN215596608U

CN215596608U - Fire-resistant air transmission grid

Info

Publication number: CN215596608U
Application number: CN202122124779.6U
Authority: CN
Inventors: 马琴艳; 王品
Original assignee: Hangzhou Biyou Building Materials Technology Co ltd
Current assignee: Hangzhou Biyou Building Materials Technology Co ltd
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-01-21
Anticipated expiration: 2031-09-04

Abstract

The utility model relates to the technical field of fireproof plugging, in particular to a fireproof air transmission grid; in the utility model, the inner frame body comprises a first vertical fire-proof plate, a second vertical fire-proof plate, a first transverse vertical fire-proof plate and a second transverse vertical fire-proof plate, the inner frame body forms a hollow frame structure, gaps are formed between the first vertical fire-proof plate, the second vertical fire-proof plate, the first transverse vertical fire-proof plate and the second transverse vertical fire-proof plate which are adjacent to each other to form ventilation openings, and when a fire disaster happens, the ventilation openings are rapidly expanded to fill the gaps in the grating, thereby achieving the effects of heat insulation and fire prevention blocking.

Description

Fire-resistant air transmission grid

Technical Field

The utility model relates to the technical field of fireproof plugging, in particular to a fireproof air transmission grid.

Background

The fireproof plug is used for plugging various penetrations, such as various openings formed when cables, air pipes, oil pipes, air pipes and the like pass through the wall (warehouse) wall and the floor (deck) and the fireproof separation of a cable bridge so as to prevent fire from spreading through the openings and gaps, and has an excellent fireproof function; the fireproof plugging is to use fireproof plugging material to seal a cable or a pipeline to penetrate through a wall or a floor slab to form a hole, and the fireproof plugging material has the function of preventing a fire from spreading to an area adjacent to a fire source, so that the aim of protecting the safety of personnel and equipment is fulfilled.

The basic principle of the fireproof plugging is that the plugging material plays roles of expansion, heat absorption and heat insulation, expands when meeting fire to seal gaps left by combustible combustion, and prevents the spread of toxic gas and smoke generated in the fire and the fire; the heat absorption and the heat insulation are carried out to reduce the temperature of the back fire surface of the penetration object and prevent the combustible substance on the back fire surface from spontaneous combustion;

the meaning of fire prevention shutoff lies in when the conflagration takes place, and it can restrict the spreading of the poisonous flue gas that produces in the conflagration and the conflagration effectively to the safety of the personnel and the equipment of the region outside the source of a fire protection.

At present, the fireproof effect is poor for fireproof plugging of fireproof doors, fireproof walls and fireproof partition plates.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a fire-resistant air transmission grid, wherein an inner frame body in the fire-resistant air transmission grid forms a hollow frame structure, a gap is formed between adjacent first vertical fire-proof plates, second vertical fire-proof plates, first transverse vertical fire-proof plates and second transverse vertical fire-proof plates in the inner frame body to form a ventilation opening, and the ventilation opening is rapidly expanded to fill the gap in the grid when a fire disaster occurs, so that the effects of heat insulation and fire blocking are achieved.

The technical scheme for solving the technical problem is as follows:

the utility model provides a fire-resistant air transmission grid, wherein, includes the frame body, the frame body comprises a plurality of inner frame body, inner frame body meets fire meeting inflation, inner frame body includes that first PLASTIC LAMINATED, second are erect the PLASTIC LAMINATED, first violently founding the PLASTIC LAMINATED and the second violently founds the PLASTIC LAMINATED in the inner frame body, two first violently founding the both ends of PLASTIC LAMINATED respectively with two the first one end of erectting the PLASTIC LAMINATED is connected, forms hollow frame structure, first violently founding the medial surface of PLASTIC LAMINATED with the one end that the PLASTIC LAMINATED was erect to the second is connected, the second erect the PLASTIC LAMINATED the other end with the outside that the PLASTIC LAMINATED was violently founded to the second is connected.

As an improvement of the utility model, the inner frame further comprises a third vertical fire-proof plate, and two ends of the third vertical fire-proof plate are respectively connected with the inner side of one second horizontal fire-proof plate.

As a further improvement of the utility model, the first vertical fire-proof plate, the second vertical fire-proof plate, the third vertical fire-proof plate, the first horizontal vertical fire-proof plate and the second horizontal vertical fire-proof plate are all made of fireproof expansion plates.

As a further improvement of the utility model, the fireproof expansion plate comprises an outer casing, an expansion inner core and a winding insulating adhesive tape, wherein the expansion inner core is wound by the winding insulating adhesive tape, and the outer casing is sleeved on the expansion inner core.

As a further improvement of the utility model, the expansion inner core is made of expanded graphite, ethylene-vinyl acetate copolymer and a flame retardant.

As a further improvement of the utility model, the outer side of the frame body is wound with an insulating binding band.

As a further improvement of the utility model, the frame body comprises 2-10 inner frame bodies.

As a further improvement of the present invention, the frame body includes 6 inner frame bodies.

In the utility model, the inner frame body comprises a first vertical fire-proof plate, a second vertical fire-proof plate, a first transverse vertical fire-proof plate and a second transverse vertical fire-proof plate, the inner frame body forms a hollow frame structure, gaps are formed between the first vertical fire-proof plate, the second vertical fire-proof plate, the first transverse vertical fire-proof plate and the second transverse vertical fire-proof plate which are adjacent to each other to form ventilation openings, and when a fire disaster happens, the ventilation openings are rapidly expanded to fill the gaps in the grating, thereby achieving the effects of heat insulation and fire prevention blocking.

Drawings

For ease of illustration, the present invention is described in detail by the following preferred embodiments and the accompanying drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is an interior, partially schematic view of a first transverse fire shield according to the utility model;

reference numerals: 1-a frame body, 2-an inner frame body, 3-a first vertical fire-proof plate, 4-a second vertical fire-proof plate, 5-a third vertical fire-proof plate, 6-a first horizontal vertical fire-proof plate, 7-a second horizontal vertical fire-proof plate, 8-an insulating binding band, 9-an expansion inner core and 10-a winding insulating adhesive tape.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 to 3, the fire-resistant air transmission grille of the present invention includes a frame body 1, wherein the frame body 1 is composed of a plurality of inner frame bodies 2, and the inner frame bodies 2 are expanded when encountering fire.

In the utility model, the inner frame body 2 comprises a first vertical fire-proof plate 3, a second vertical fire-proof plate 4, a first transverse vertical fire-proof plate 6 and a second transverse vertical fire-proof plate 7, two ends of the two first transverse vertical fire-proof plates 6 are respectively connected with one ends of the two first vertical fire-proof plates 3 in the inner frame body 2 to form a hollow frame structure, the inner side surface of the first transverse vertical fire-proof plate 6 is connected with one end of the second vertical fire-proof plate 4, and the other end of the second vertical fire-proof plate 4 is connected with the outer side of the second transverse vertical fire-proof plate 7.

In the utility model, the inner frame body 2 comprises a first vertical fire-proof plate 3, a second vertical fire-proof plate 4, a first transverse vertical fire-proof plate 6 and a second transverse vertical fire-proof plate 7, the inner frame body 2 forms a hollow frame structure, and a gap is formed between the first vertical fire-proof plate 3, the second vertical fire-proof plate 4, the first transverse vertical fire-proof plate 6 and the second transverse vertical fire-proof plate 7 which are adjacent to each other to form a ventilation opening, and when a fire disaster occurs, the inner space of the grille is filled by rapid expansion, so that the effects of heat insulation and fire blocking are achieved.

In order to better meet the fire, the inner frame body 2 can expand rapidly to fill the inner space of the grating, the inner frame body 2 further comprises a third vertical fire-proof plate 5, and two ends of the third vertical fire-proof plate 5 are respectively connected with the inner side of a second transverse fire-proof plate 7.

Further, one end of the second vertical fire prevention plate 4 is connected to the center of the inner side surface of the first horizontal fire prevention plate 6, and the other end of the second vertical fire prevention plate 4 is connected to the center of the outer side of the second horizontal fire prevention plate 7.

In the utility model, a first vertical fire-proof plate 3, a second vertical fire-proof plate 4, a third vertical fire-proof plate 5, a first horizontal vertical fire-proof plate 6 and a second horizontal vertical fire-proof plate 7 are all made of fire-proof expansion plates, each fire-proof expansion plate comprises an outer shell sleeve, an expansion inner core 9 and a winding insulating adhesive tape 10, the expansion inner core 9 is wound by the winding insulating adhesive tape 10, the outer shell sleeve is sleeved on the expansion inner core 9, and the expansion inner core is made of expanded graphite, ethylene-vinyl acetate copolymer and a flame retardant agent; specifically, when a fire disaster occurs, when the temperature reaches 300 ℃, the wound insulating adhesive tape is broken, when the temperature reaches 400 ℃, the first vertical fire-proof plate 3, the second vertical fire-proof plate 4, the third vertical fire-proof plate 5, the first transverse vertical fire-proof plate 6 and the second transverse vertical fire-proof plate 7 are expanded, the outer casing sleeve (the Shore hardness of the outer casing sleeve is D75 degrees, and the outer casing sleeve is made of plastic materials) is broken, the quick expansion fills the gaps in the grids, the spreading of toxic gas and smoke generated in the fire disaster and the fire disaster is prevented, the spreading of the toxic smoke generated in the fire disaster and the fire disaster can be effectively limited, and therefore, the safety of personnel and equipment in the areas except for a fire source is protected.

In the utility model, the outer side of the frame body 1 is wound with the insulating binding belt 8, which is convenient for installation, and the utility model can be installed on fire doors, fire walls and fire partitions.

According to the utility model, products with different sizes can be manufactured according to specific practical conditions, the frame body 1 comprises 2-10 inner frame bodies 2, and when the frame body 1 with large size is needed, only a plurality of inner frame bodies 2 need to be additionally arranged.

The utility model provides an embodiment, which comprises a frame body 1, wherein the frame body 1 consists of 6 inner frame bodies 2, each inner frame body 2 comprises a first vertical fire-proof plate 3, a second vertical fire-proof plate 4, a third vertical fire-proof plate 5, a first transverse vertical fire-proof plate 6 and a second transverse vertical fire-proof plate 7, two ends of the two first transverse vertical fire-proof plates 6 are respectively connected with one end of the two first vertical fire-proof plates 3 to form a hollow frame structure, the inner side surface of the first transverse vertical fire-proof plate 6 is connected with one end of the second vertical fire-proof plate 4, the other end of the second vertical fire-proof plate 4 is connected with the outer side of the second transverse vertical fire-proof plate 7, two ends of the third vertical fire-proof plate 5 are respectively connected with the inner side of the second transverse vertical fire-proof plate 7, the first vertical fire-proof plate 3, the second vertical fire-proof plate 4, the third vertical fire-proof plate 5, the first transverse vertical fire-proof plates 6 and the second transverse vertical fire-proof plates 7 are made of fire-proof expansion fire-proof plates, the fireproof expansion plate comprises an outer shell, an expansion inner core 9 and a winding insulating tape 10, wherein the expansion inner core 9 is wound by the winding insulating tape 10, the expansion inner core 9 is sleeved by the outer shell, and the expansion inner core is made of expanded graphite, ethylene-vinyl acetate copolymer and a flame retardant agent.

The utility model has good ventilation and heat dissipation performance and convenient installation, and can fill the gaps in the grating by rapid expansion in case of fire, thereby achieving the effects of heat insulation and fireproof plugging.

When a fire disaster happens, the utility model can freely expand to about 20 times of volume, the ventilated gap under normal condition is blocked, and the surface can form an insulating layer to prevent the spread of flame, smoke and gas.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a fire-resistant air transmission grid, a serial communication port, including the frame body, the frame body comprises the interior framework of a plurality of, interior framework meets fire meeting inflation, interior framework includes that first PLASTIC LAMINATED, second are erect the PLASTIC LAMINATED, first violently founding the PLASTIC LAMINATED and the second violently founds the PLASTIC LAMINATED in the inside casing, two first violently founding the both ends of PLASTIC LAMINATED respectively with two the first one end of erectting the PLASTIC LAMINATED is connected, forms hollow frame structure, first violently founding the medial surface of PLASTIC LAMINATED with the one end that the PLASTIC LAMINATED was erect to the second is connected, the second erect the other end of PLASTIC LAMINATED with the outside that the PLASTIC LAMINATED was violently founded to the second is connected.

2. A fire resistant air transfer grid according to claim 1, wherein said inner frame further includes a third upright fire shield, each end of said third upright fire shield being connected to an inner side of one of said second cross fire shields.

3. A fire resistant air transfer grid according to claim 2, wherein the first upright fire shield, the second upright fire shield, the third upright fire shield, the first cross fire shield and the second cross fire shield are fire resistant intumescent sheets.

4. A fire resistant air transmission grate as claimed in claim 3 wherein said fire resistant expansion panel includes an outer sheath, an expansion core and a wound insulating tape, said expansion core being wound by said wound insulating tape, said outer sheath in turn sheathing said expansion core.

5. A fire resistant air transmission grate as claimed in claim 4 wherein said intumescent core is made from expanded graphite, ethylene vinyl acetate and a flame retardant.

6. A fire resistant air transmission grate in accordance with claim 4 wherein the frame body is wrapped around its outside with insulating ties.

7. The fire resistant air delivery grate of claim 6 wherein the frame body includes 2 to 10 of said inner frames.

8. A fire resistant air delivery grate in accordance with claim 7 wherein said frame body includes 6 of said inner frame bodies.