CN215926585U

CN215926585U - Fire-proof device for smoke-proof air pipe

Info

Publication number: CN215926585U
Application number: CN202120911993.3U
Authority: CN
Inventors: 陈圣光; 张俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-03-01
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a fireproof device for an anti-smoke exhaust air pipe, which comprises a clamping device, wherein the clamping device comprises a clamping seat, a bolt, a U-shaped plate, a buckle, a cylinder body, a rotary disc and a rod body, the clamping seat is fixedly arranged on one side of the inner wall of the anti-smoke exhaust air pipe, the buckle is fixedly arranged on one side of a fireproof unit, the top of the clamping seat is designed to be an opening, a through hole for the buckle to penetrate through is formed in the clamping seat, the U-shaped plate is arranged in the clamping seat, the cylinder body is fixedly arranged on one side of the U-shaped plate, an external thread is arranged outside the cylinder body, the cylinder body is in threaded connection with the clamping seat and extends out of the anti-smoke exhaust air pipe, the rod body is slidably arranged in the cylinder body, the buckle is clamped in the clamping seat, the rotary disc is rotated to drive the cylinder body to rotate, the U-shaped plate is used for covering the opening at the top of the clamping seat, the rod body is pushed to be inserted into the buckle, the bolt is screwed to fix the rod body to fix the fireproof unit, the fireproof unit is convenient to be quickly replaced and fixed.

Description

Fire-proof device for smoke-proof air pipe

Technical Field

The utility model relates to a fire protection device, in particular to a fire protection device for a smoke prevention and exhaust air pipe.

Background

The smoke preventing and exhausting system consists of air exhausting pipeline, pipe well, fireproof valve, door switch, air exhausting fan and other equipment. The smoke prevention system is arranged in a positive pressure mode in the staircase. The smoke discharge quantity of the mechanical smoke discharge system has a direct relation with the smoke prevention subarea. The smoke-proof facilities of high-rise buildings are divided into smoke-proof facilities for mechanical pressurized air supply and natural smoke-discharging facilities for opening the external window.

The existing smoke-exhaust preventing air duct is inconvenient to replace a fireproof unit, and has poor fireproof and heat-insulating properties, so that the using effect is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a fire protection device for a smoke protection and exhaust duct, which solves the above problems of the prior art.

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

a fire protection device for an anti-smoke exhaust air duct comprises the anti-smoke exhaust air duct, a fire protection unit is arranged in the anti-smoke exhaust air duct and comprises an anti-corrosion layer, a fire protection layer, a reinforcing layer and a thermal insulation layer, the fire protection layer is fixedly sleeved on the outer side of the anti-corrosion layer, the reinforcing layer is fixedly sleeved on the outer side of the fire protection layer, the reinforcing layer is fixedly sleeved on the thermal insulation layer, a first clamping device, a second clamping device, a third clamping device and a fourth clamping device are symmetrically arranged between the anti-smoke exhaust air duct and the fire protection unit, the first clamping device comprises a clamping seat, a bolt, a U-shaped plate, a buckle, a barrel, a rotary disc and a rod body, the clamping seat is fixedly arranged on one side of the inner wall of the anti-smoke exhaust air duct, the buckle is fixedly arranged on one side of the fire protection unit, the top of the clamping seat is designed to be provided with a through hole for the buckle to penetrate through, the U-shaped plate is arranged in the clamping seat, the novel anti-smoke exhaust pipe is characterized in that a barrel is fixedly mounted on one side of the U-shaped plate, external threads are arranged outside the barrel, the barrel is in threaded connection with the clamping seat and extends out of the anti-smoke exhaust pipe, the rod body is slidably mounted in the barrel, the bolt is in threaded connection with the outer side of the barrel, the rotary disc is fixedly sleeved on the barrel, and a jack for the rod body to penetrate through is formed in the clamping buckle.

As a further scheme of the utility model: the anti-corrosion layer is made of polystyrene.

As a still further scheme of the utility model: the fireproof layer is made of vinyl silicone rubber.

As a further scheme of the utility model: the reinforcing layer is a metal mesh.

As a further scheme of the utility model: the heat insulation layer is made of glass fiber heat insulation cotton.

As a further scheme of the utility model: the first clamping device, the second clamping device, the third clamping device and the fourth clamping device are identical in structure.

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

1. set up the anticorrosion layer, prevent to suffer to corrode the fire prevention unit, improve the corrosion protection performance of fire prevention unit, the fire prevention unit life-span of use is longer, sets up the fire behavior that the flame retardant coating improves the fire prevention unit, sets up the enhancement layer and strengthens preventing that the strength of fire prevention unit from taking place to warp when catching fire, sets up the insulating layer and adopts the cotton processing of glass fiber heat preservation to make, and the cotton insulating nature of glass fiber heat preservation is good, the heat resistance is strong, corrosion resistance is good.

2. In going into the cassette with the buckle card, rotating the carousel and driving the barrel and rotate, the barrel rotates and drives the U template and rotate, utilizes the U template to cover cassette open-top, promotes the body of rod and inserts in the buckle jack, screws up the bolt and fixes the realization to the fire prevention unit to the body of rod is fixed, and the convenience is fixed to fire prevention unit quick replacement.

Drawings

Fig. 1 is a schematic view of a fire protection device for a smoke protection and exhaust duct.

Fig. 2 is a schematic view of a latch for a fire protection device of a smoke protection and exhaust duct.

Fig. 3 is a schematic view of a fire protection unit of a fire protection device for a smoke protection and evacuation duct.

As shown in the figure: the smoke exhaust prevention air pipe comprises an anti-smoke exhaust air pipe 1, a fireproof unit 2, a first clamping device 3, a second clamping device 4, a third clamping device 5, a fourth clamping device 6, a clamping seat 7, a bolt 8, a U-shaped plate 9, a buckle 10, a barrel 11, a rotary table 12, a rod body 13, an anti-corrosion layer 14, a fireproof layer 15, a reinforcing layer 16 and a heat insulation layer 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a fire protection device for an anti-smoke exhaust air duct includes an anti-smoke exhaust air duct 1, a fire protection unit 2, a first latch device 3, a second latch device 4, a third latch device 5, a fourth latch device 6, a latch base 7, a bolt 8, a U-shaped plate 9, a latch 10, a barrel 11, a rotary table 12, a rod body 13, an anti-corrosion layer 14, a fire protection layer 15, a reinforcing layer 16, and a thermal insulation layer 17, where the anti-smoke exhaust air duct 1 is provided with the fire protection unit 2, the fire protection unit 2 includes the anti-corrosion layer 14, the fire protection layer 15, the reinforcing layer 16, and the thermal insulation layer 17, the fire protection layer 15 is fixedly sleeved on the outer side of the anti-corrosion layer 14, the anti-corrosion layer 14 is made of polystyrene, the reinforcing layer 16 is fixedly sleeved on the outer side of the fire protection layer 15, the fire protection layer 15 is made of silicone rubber, the reinforcing layer 16 is fixedly sleeved on the thermal insulation layer 17, the reinforced layer 16 is a metal mesh, the heat insulation layer 17 is made of glass fiber heat insulation cotton, a first clamping device 3, a second clamping device 4, a third clamping device 5 and a fourth clamping device 6 are symmetrically arranged between the smoke and smoke prevention air pipe 1 and the fireproof unit 2, the first clamping device 3 comprises a clamping seat 7, a bolt 8, a U-shaped plate 9, a buckle 10, a cylinder body 11, a rotary table 12 and a rod body 13, the clamping seat 7 is fixedly arranged on one side of the inner wall of the smoke and smoke prevention air pipe 1, the buckle 10 is fixedly arranged on one side of the fireproof unit 2, the top of the clamping seat 7 is in an opening design, a through hole for the buckle 10 to penetrate through is formed in the clamping seat 7, the U-shaped plate 9 is arranged in the clamping seat 7, the cylinder body 11 is fixedly arranged on one side of the U-shaped plate 9, external threads are arranged outside the cylinder body 11, the cylinder body 11 is in threaded connection with the clamping seat 7 and extends out of the smoke and smoke prevention air pipe 1, the body of rod 13 slidable mounting is in

barrel

11, 8 threaded connection of bolt are in the barrel 11 outside, the fixed cover of carousel 12 is established on barrel 11, offer the jack that is used for the body of rod 13 to run through on the buckle 10, each part homogeneous phase of first latch 3, second latch 4, third latch 5 and fourth latch 6 structure.

The working principle of the utility model is as follows: set up anti-corrosion coating 14, prevent to suffer to corrode fire prevention unit 2, improve fire prevention unit 2's corrosion protection performance, the fire prevention unit 2 life-span of use is longer, set up fire prevention layer 15 and improve fire prevention unit 2's fire behavior, it prevents to take place to warp to set up the strong of enhancement layer 16 enhancement fire prevention unit 2 when catching fire, it adopts the cotton processing of glass fiber heat preservation to make to set up insulating layer 17, the cotton insulating nature of glass fiber heat preservation is good, the heat resistance is strong, corrosion resistance is good, in the use, go into cassette 7 with buckle 10 card, it rotates to rotate carousel 12 and drive barrel 11, barrel 11 rotates and drives U template 9 and rotates, utilize U template 9 to cover 7 open-top of cassette, promote the body of rod 13 and insert in the 10 jack of buckle, it is fixed to fire prevention unit 2 to screw up 8 fixed realization of the body of rod 13, the convenience is fixed to fire prevention unit 2 quick replacement.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a firebreak device for preventing smoke exhaust tuber pipe, includes smoke exhaust prevention tuber pipe (1), its characterized in that: the fireproof smoke-preventing air pipe (1) is internally provided with a fireproof unit (2), the fireproof unit (2) comprises an anti-corrosion layer (14), a fireproof layer (15), a reinforcing layer (16) and a heat insulation layer (17), the fireproof layer (15) is fixedly sleeved on the outer side of the anti-corrosion layer (14), the reinforcing layer (16) is fixedly sleeved on the outer side of the fireproof layer (15), the reinforcing layer (16) is fixedly sleeved on the heat insulation layer (17), a first clamping device (3), a second clamping device (4), a third clamping device (5) and a fourth clamping device (6) are symmetrically arranged between the anti-smoke air pipe (1) and the fireproof unit (2), the first clamping device (3) comprises a clamping seat (7), a bolt (8), a U-shaped plate (9), a buckle (10), a barrel body (11), a rotary table (12) and a rod body (13), the clamping seat (7) is fixedly installed on one side of the inner wall of the anti-smoke air pipe (1), buckle (10) fixed mounting is in fireproof unit (2) one side, cassette (7) top is the opening design, offer the through-hole that is used for buckle (10) to run through on cassette (7), U template (9) set up in cassette (7), U template (9) one side fixed mounting has barrel (11), barrel (11) are provided with the external screw thread outward, barrel (11) and cassette (7) threaded connection just stretch out outside preventing and discharging fume tuber pipe (1), body of rod (13) slidable mounting is in barrel (11), bolt (8) threaded connection is in the barrel (11) outside, carousel (12) fixed cover is established on barrel (11), offer the jack that is used for body of rod (13) to run through on buckle (10).

2. Fire protection device for a smoke exhaust prevention duct according to claim 1, characterized in that: the material of the anti-corrosion layer (14) is polystyrene.

3. Fire protection device for a smoke exhaust prevention duct according to claim 1, characterized in that: the fireproof layer (15) is made of vinyl silicone rubber.

4. Fire protection device for a smoke exhaust prevention duct according to claim 1, characterized in that: the reinforcing layer (16) is a metal mesh.

5. Fire protection device for a smoke exhaust prevention duct according to claim 1, characterized in that: the heat insulation layer (17) is made of glass fiber heat insulation cotton.

6. Fire protection device for a smoke exhaust prevention duct according to claim 1, characterized in that: the parts of the first clamping device (3), the second clamping device (4), the third clamping device (5) and the fourth clamping device (6) are the same.