CN215412338U

CN215412338U - Fireproof smoke exhaust valve

Info

Publication number: CN215412338U
Application number: CN202121792224.2U
Authority: CN
Inventors: 张建良
Original assignee: Shaoxing Shangyu Sanyuan Ventilation Equipment Co ltd
Current assignee: Shaoxing Shangyu Sanyuan Ventilation Equipment Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-01-04
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a fireproof smoke exhaust valve which comprises an outer frame, wherein an access door is movably connected to the front surface of the outer frame, an exhaust pipe is fixedly connected to the surface of one side of the outer frame, an air inlet pipe is fixedly connected to the surface of the other side of the outer frame, an opening and closing plate is movably connected to the inner part of the outer frame, a first expansion machine is fixedly connected to the surface of one side of the outer frame, which is positioned below the air inlet pipe, two second expansion machines are fixedly connected to the surface of the other side of the outer frame, which is positioned below the exhaust pipe, a control device is fixedly connected to the inner part of the outer frame, which is positioned above the opening and closing plate, a control power supply is fixedly connected to one side of the control device, and fans are movably connected to the two sides of the inner part of the outer frame. The fireproof smoke exhaust valve can effectively cool a control room during smoke exhaust, and can sweep a smoke exhaust channel through the first expansion machine and the second expansion machine after smoke exhaust.

Description

Fireproof smoke exhaust valve

Technical Field

The utility model relates to the field of smoke exhaust valves, in particular to a fireproof smoke exhaust valve.

Background

The fire-proof smoke exhaust valve is a fire-fighting part, is generally arranged on a pipeline of a mechanical smoke exhaust system, is in an open state at ordinary times, is opened to exhaust smoke when a fire disaster occurs, is closed when the temperature of smoke in the smoke exhaust pipeline reaches 280 ℃, meets the requirements of smoke leakage amount and fire-proof integrity within a certain time, and plays a role in smoke isolation and fire retardation; however, the fireproof smoke exhaust valve at the present stage has some insufficiencies, and the fireproof smoke exhaust valve can transfer heat to the outer frame at the in-process of discharging fume, so that the overall temperature of the outer frame rises, the temperature of the control room rises, however, the efficiency of a general heat dissipation mode is low, the cooling speed is low, and the smoke exhaust channel after discharging fume is internally covered by smoke dust, and the smoke dust of long-term gathering can influence the flexibility of opening and closing the rotation of the plate.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a fireproof smoke exhaust valve which can effectively solve the technical problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a fire prevention smoke damper, includes the frame, the front surface swing joint of frame has the access door, a side fixed surface of frame is connected with the blast pipe, the opposite side fixed surface of frame is connected with the intake pipe, the below swing joint that the inside of frame is located the access door has the board that opens and shuts, a side surface of frame is located the below both ends fixedly connected with telescoping machine No. one of intake pipe, the opposite side surface of frame is located the below both ends fixedly connected with of blast pipe and stretches out and shut No. two, the inside of frame is located the top fixedly connected with controlling means who opens and shuts the board, the inside of frame is located one side fixedly connected with control power supply of controlling means, the inside both sides swing joint of frame has the fan.

Preferably, the front surface of access door is close to interior knot handle of upper end fixedly connected with, the front surface of access door is located one side fixedly connected with lock core of interior knot handle, the access door passes through rotation axis and frame swing joint.

Preferably, the inside of outer frame has been seted up the discharge flue, the inside both sides surface of discharge flue has been seted up and has been inlayed and establish the groove, the inside of outer frame is located the top of discharge flue and has been seted up the control room, the inside both sides surface fixedly connected with protection network of control room.

Preferably, the one end fixed surface of a telescopic machine is connected with the telescopic link No. one, the flexible end fixedly connected with scraper blade No. one of telescopic link, the protection pad of back fixed surface of a scraper blade is connected with, the telescopic link is fixed with a scraper blade through passing a protection pad No. one, the quantity of telescopic link is four.

Preferably, a cylinder is fixedly connected to one side surface of the second telescopic machine, a second telescopic rod is fixedly connected to one end surface of the second telescopic machine, a second scraper blade is fixedly connected to the telescopic end of the second telescopic rod, a second protective pad is fixedly connected to the rear surface of the second scraper blade, the second telescopic rod is fixed to the second scraper blade by penetrating through the second protective pad, a pneumatic plate is movably embedded near the lower end on the front surface of the second scraper blade, and the pneumatic plate is communicated with the cylinder through a gas pipe.

Preferably, the air inlet pipe and the exhaust pipe are communicated with a control room, the upper end of the opening and closing plate is connected with a control device, and the fan is connected with a control power supply through a lead.

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

according to the utility model, through the fan, the air inlet pipe and the exhaust pipe, the air in the air inlet pipe can be sucked into the control room by the fan, and then the heat in the control room is exhausted by the fan through the exhaust pipe, so that the effect of cooling can be rapidly achieved through the modes of sucking cold air and exhausting hot air, and through the arrangement of the first stretching machine and the second stretching machine, after smoke is exhausted, the interior of the exhaust flue can be scraped, so that smoke dust and dirt covered in the exhaust flue can be scraped, and the rotation flexibility of the opening and closing plate can be ensured.

Drawings

FIG. 1 is an overall structure view of a fire-proof smoke exhaust valve according to the present invention;

FIG. 2 is a partially expanded view of a fire and smoke damper according to the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1 of the fire and smoke damper of the present invention;

FIG. 4 is a partial sectional view of a fan installation schematic of a fire and smoke damper according to the present invention.

In the figure: 1. an outer frame; 101. a discharge flue; 102. embedding a groove; 103. a control room; 104. a protective net; 2. an access door; 201. an inner buckle handle; 202. a lock cylinder; 3. an exhaust pipe; 4. an air inlet pipe; 5. a shutter plate; 6. a first expansion machine; 601. a first telescopic rod; 602. a first scraper; 603. a protection pad I; 7. a second expander; 701. a cylinder; 702. a second telescopic rod; 703. a second scraper; 704. a second protective pad; 705. a pneumatic plate; 8. a control device; 9. controlling a power supply; 10. a fan.

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.

1-4, the fire-proof smoke exhaust valve comprises an outer frame 1, wherein an access door 2 is movably connected to the front surface of the outer frame 1, an exhaust pipe 3 is fixedly connected to the surface of one side of the outer frame 1, an air inlet pipe 4 is fixedly connected to the surface of the other side of the outer frame 1, an opening and closing plate 5 is movably connected to the inner part of the outer frame 1 below the access door 2, a first expansion machine 6 is fixedly connected to the two ends of one side of the outer frame 1 below the air inlet pipe 4, a second expansion machine 7 is fixedly connected to the two ends of the other side of the outer frame 1 below the exhaust pipe 3, a control device 8 is fixedly connected to the inner part of the outer frame 1 above the opening and closing plate 5, a control power supply 9 is fixedly connected to one side of the inner part of the outer frame 1 below the control device 8, and fans 10 are movably connected to the two sides of the inner part of the outer frame 1;

an inner buckle handle 201 is fixedly connected to the front surface of the access door 2 close to the upper end, a lock cylinder 202 is fixedly connected to one side of the inner buckle handle 201 on the front surface of the access door 2, and the access door 2 is movably connected with the outer frame 1 through a rotating shaft; a discharge flue 101 is arranged in the outer frame 1, embedded grooves 102 are arranged on the surfaces of two sides in the discharge flue 101, a control room 103 is arranged above the discharge flue 101 in the outer frame 1, and protective nets 104 are fixedly connected to the surfaces of two sides in the control room 103; one end surface of the first telescopic machine 6 is fixedly connected with a first telescopic rod 601, a first scraper 602 can be controlled by the first telescopic rod 601 to scrape and sweep the discharge flue 101, so that smoke dust and dirt inside the discharge flue 101 are removed, the telescopic end of the first telescopic rod 601 is fixedly connected with the first scraper 602, the rear surface of the first scraper 602 is fixedly connected with a first protective pad 603, the first telescopic rod 601 is fixed with the first scraper 602 by penetrating through the first protective pad 603, and the number of the first telescopic rods 601 is four; an air cylinder 701 is fixedly connected to the surface of one side of the second expansion machine 7, the opening and closing action of a pneumatic plate 705 can be controlled through the air cylinder 701, a second expansion rod 702 is fixedly connected to the surface of one end of the second expansion machine 7, a second scraper 703 is fixedly connected to the expansion end of the second expansion rod 702, a second protective pad 704 is fixedly connected to the rear surface of the second scraper 703, the second expansion rod 702 is fixed with the second scraper 703 by penetrating through the second protective pad 704, the pneumatic plate 705 is movably embedded in the position, close to the lower end, of the front surface of the second scraper 703, and the pneumatic plate 705 is communicated with the air cylinder 701 through an air pipe; the air inlet pipe 4 and the exhaust pipe 3 are communicated with a control room 103, the upper end of the opening and closing plate 5 is connected with a control device 8, and the fan 10 is connected with a control power supply 9 through a lead.

It should be noted that, the utility model is a fire-proof smoke exhaust valve, when in use, the opening and closing plate 5 is in a normally open state, when the temperature of the smoke in the smoke exhaust pipeline reaches 280 ℃ in a fire disaster, the smoke exhaust valve is closed, and meets the requirements of smoke leakage and fire resistance integrity within a certain time, so as to play a role of smoke isolation and fire resistance, the temperature in the control room 103 will gradually rise in the smoke exhaust process, at this time, the fan 10 sucks the cold air in the air inlet pipe 4 into the control room 103, then the fan 10 at the other side discharges the hot air in the control room 103 out of the control room 103 through the exhaust pipe 3, so that the cooling effect can be rapidly realized, after the smoke exhaust is finished, the interior of the smoke exhaust pipeline 101 will be covered with smoke dust and dirt, at this time, the opening and closing plate 5 is closed first, then the first stretching machine 6 and the second stretching machine 7 are used to respectively push the first scraping plate 602 and the second scraping plate 703 to scrape the smoke dust and dirt in the smoke exhaust pipeline 101, when the second scraper 703 moves to a certain distance, the cylinder 701 controls the pneumatic plate 705 to turn over and open, so as to sweep the discharge flue 101, then the cylinder 701 controls the pneumatic plate 705 to close again, and the first scraper 602 and the second scraper 703 sweep back and forth, so that the soot and dirt covered inside the discharge flue 101 can be scraped off, thereby ensuring that the opening and closing plate 5 can be flexibly controlled to rotate when the opening and closing plate 5 is used subsequently, and the first scraper 602 and the second scraper 703 are hidden in the embedded groove 102 after the operation is finished.

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 fire prevention smoke damper which characterized in that: the device comprises an outer frame (1), wherein an access door (2) is movably connected to the front surface of the outer frame (1), an exhaust pipe (3) is fixedly connected to one side surface of the outer frame (1), an air inlet pipe (4) is fixedly connected to the other side surface of the outer frame (1), an opening and closing plate (5) is movably connected to the inner part of the outer frame (1) below the access door (2), a first expansion machine (6) is fixedly connected to both ends of one side surface of the outer frame (1) below the air inlet pipe (4), a second expansion machine (7) is fixedly connected to both ends of the other side surface of the outer frame (1) below the exhaust pipe (3), a control device (8) is fixedly connected to the inner part of the outer frame (1) above the opening and closing plate (5), and a control power supply (9) is fixedly connected to one side of the control device (8) inside the outer frame (1), and two sides of the inside of the outer frame (1) are movably connected with fans (10).

2. A fire and smoke damper as claimed in claim 1, wherein: detain handle (201) in the front surface of access door (2) is close to upper end fixedly connected with, one side fixedly connected with lock core (202) of detaining handle (201) in the front surface of access door (2) is located, access door (2) are through rotation axis and frame (1) swing joint.

3. A fire and smoke damper as claimed in claim 2, wherein: a discharge flue (101) is arranged in the outer frame (1), embedding grooves (102) are formed in the surfaces of two sides of the inner portion of the discharge flue (101), a control room (103) is arranged above the discharge flue (101) in the outer frame (1), and protective nets (104) are fixedly connected to the surfaces of two sides of the inner portion of the control room (103).

4. A fire and smoke damper as claimed in claim 3, wherein: a telescopic link (601) is connected with to one end fixed surface of flexible machine (6), scraper blade (602) is connected with to the flexible end of telescopic link (601) No. one, protection pad (603) is connected with to the back fixed surface of scraper blade (602) No. one, telescopic link (601) is fixed with scraper blade (602) through passing a protection pad (603), the quantity of telescopic link (601) is four.

5. A fire and smoke prevention and exhaust valve according to claim 4, wherein: the utility model discloses a pneumatic plate, including telescopic rod (703), front surface, protection pad (704), telescopic rod (702), telescopic rod (703), No. two telescopic rod (702), No. two scraper blades (703) of telescopic rod (702), No. two rear surface fixedly connected with of scraper blade (703) are protected and are filled up (704), No. two telescopic rod (702) are fixed with No. two scraper blades (703) through passing No. two protection pad (704), No. two scraper blades (703) the front surface is close to the lower extreme activity and inlays and be equipped with pneumatic plate (705), pneumatic plate (705) pass through trachea and cylinder (701) intercommunication.

6. A fire and smoke prevention and exhaust valve according to claim 5, wherein: the air inlet pipe (4) and the exhaust pipe (3) are communicated with a control room (103), the upper end of the opening and closing plate (5) is connected with a control device (8), and the fan (10) is connected with a control power supply (9) through a lead.