CN212837495U

CN212837495U - Fire door safety control switch mechanism

Info

Publication number: CN212837495U
Application number: CN202021220856.7U
Authority: CN
Inventors: 金欣
Original assignee: Shanghai Guanghua Yongsheng Fire Intelligent System Co ltd
Current assignee: Shanghai Guanghua Yongsheng Fire Intelligent System Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-30
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a fire door safety control switch mechanism, which comprises a fire door body, wherein a box body is embedded on the surface of the fire door body, a connecting rod is arranged at the top of the box body, a hand wheel is fixedly connected with the top end of the connecting rod, a carbon dioxide storage bottle is arranged at the inner side of the box body, the top end of the carbon dioxide storage bottle is connected with a discharging pipe in a conduction way, one end of the discharging pipe is connected with a first communicating pipe through a flange, a second communicating pipe is welded at one end of the first communicating pipe, a fan-shaped spray head is arranged at the top of the outer wall of the box body, a stop valve is arranged at the outer side of the discharging pipe, and the top end of the stop valve is rotationally connected with a valve rod. The temperature near the fireproof door body is prevented from rising rapidly, and therefore people can be evacuated rapidly.

Description

Fire door safety control switch mechanism

Technical Field

The utility model relates to a prevent fire door technical field, specifically prevent fire door safety control on-off mechanism.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.

However, existing fire doors mainly suffer from the following disadvantages:

the existing fireproof door only has the function of preventing the spread of fire and does not have the function of extinguishing fire, and when the fire spreads to the position near the fireproof door, the temperature near the fireproof door is quickly raised due to the effect of heat transfer, so that people are influenced to be evacuated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent fire door safety control on-off mechanism to current preventing fire door only possesses the function that prevents stretching of intensity of a fire among the solution above-mentioned background art, does not possess the function of putting out a fire, when the intensity of a fire stretches to preventing near fire door, because heat transfer's effect, leads to preventing near the quick rising of fire door temperature, thereby influences personnel's sparse problem.

In order to achieve the above object, the utility model provides a following technical scheme: prevent fire door safety control on-off mechanism, including preventing fire door body, it has the box to prevent fire door body surface mosaic, the box top is equipped with the connecting rod, connecting rod top fixedly connected with hand wheel, carbon dioxide storage bottle is installed to the box inboard, carbon dioxide storage bottle top turn-on connection has the discharging pipe, discharging pipe one end has first communicating pipe through flange joint, the welding of first communicating pipe one end has second communicating pipe, box outer wall top is equipped with fan-shaped nozzle, the stop valve is installed in the discharging pipe outside, the stop valve top is rotated and is connected with the valve rod.

Preferably, the surface of the box body is connected with a box door through a hinge, a door lock is arranged at the edge of the surface of the box door, and the box door is conveniently opened and closed through the door lock.

Preferably, be vertical position relation between first communicating pipe and the second communicating pipe, fan-shaped nozzle is equipped with a plurality ofly, and is a plurality of fan-shaped nozzle is a style of calligraphy and second communicating pipe turn-on connection, fan-shaped nozzle extends to the fire door body outside, and carbon dioxide is from fan-shaped nozzle department blowout, can increase the area that sprays carbon dioxide through a plurality of fan-shaped nozzle to improve the effect of putting out a fire.

Preferably, the valve rod top is fixed with the connecting rod bottom end and is connected to each other, thereby rotates through the drive connecting rod and drives the valve rod operation, and then opens the stop valve, and the carbon dioxide of the inboard storage of carbon dioxide storage bottle is under the effect of pressure, exports from the discharging pipe.

Preferably, the bottom end of the valve rod is provided with a through hole, so that the valve rod is positioned.

Preferably, the welding of stop valve one side has the connecting block, connecting block surface grafting pin through-connection piece, pin and through-hole are located same water flat line simultaneously, peg graft through pin and through-hole and link to each other to prevent that the valve rod from being rotated, can follow can effectually avoid the stop valve to be opened by the mistake, play fine guard action.

The utility model provides a prevent fire door safety control on-off mechanism possesses following beneficial effect:

(1) the fan-shaped spray head is positioned at the outer side of the fireproof door body, when the fire spreads to the outer side of the fireproof door body, the connecting rod drives the valve rod to rotate by the rapid driving hand wheel of the working personnel, then the stop valve is opened, the carbon dioxide stored in the inner side of the carbon dioxide storage bottle is output from the discharge pipe under the action of pressure, then the carbon dioxide is sprayed out from the fan-shaped spray head, the pressure drops suddenly due to the release of carbon dioxide from the carbon dioxide storage bottle, so that the carbon dioxide is converted from liquid to gas, the oxygen content in the air is diluted, the reduction of the oxygen content can reduce the heat generation rate during combustion, and when the heat generation rate reduces to the degree that is less than heat loss rate, the burning will stop, makes the fire door body possess the function of putting out a fire, avoids the near quick rising of temperature of fire door body, and then can be quick carry out personnel's evacuation.

(2) The utility model discloses a pin through connection piece, pin and through-hole are located same water flat line simultaneously, peg graft with the through-hole through the pin and link to each other to prevent that the valve rod from being rotated, can follow can effectually avoid the stop valve to be opened by the mistake, play fine guard action.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the schematic diagram of the internal structure of the box body of the present invention.

Fig. 3 is a schematic side view of the internal valve stem of the present invention.

Fig. 4 is a schematic view of the sectional structure of the connecting block of the present invention.

In the figure: 1. a fire door body; 2. a box body; 201. a box door; 202. a door lock; 3. a connecting rod; 301. a hand wheel; 4. a carbon dioxide storage bottle; 401. a discharge pipe; 402. a first communication pipe; 403. a second communicating pipe; 404. a fan-shaped spray head; 405. a stop valve; 406. a valve stem; 407. a through hole; 5. connecting blocks; 501. a pin.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: prevent fire door safety control on-off mechanism, including preventing fire door body 1, it has box 2 to prevent that 1 surface of fire door body inlays, 2 tops of box are equipped with connecting

rod

3, 3 top fixedly connected with hand wheels 301 of connecting rod, carbon dioxide storage bottle 4 is installed to 2 inboards of box, 4 top turn-on connections of carbon dioxide storage bottle have discharging pipe 401, discharging pipe 401 one end has first connecting pipe 402 through flange joint, the welding of first connecting pipe 402 one end has second communicating

pipe

403, 2 outer wall tops of box are equipped with fan-shaped nozzle 404, stop valve 405 is installed in the discharging pipe 401 outside, stop valve 405 top is rotated and is connected with valve rod 406.

The fan-shaped nozzle 404 is positioned outside the fireproof door body 1, when the fire spreads to the outside of the fireproof door body 1, the hand wheel 301 is driven to rotate by the rapid driving of the staff, so that the connecting rod 3 drives the valve rod 406 to rotate, and then the stop valve 405 is opened, the carbon dioxide stored inside the carbon dioxide storage bottle 4 is output from the discharge pipe 401 under the action of pressure, then the carbon dioxide is sprayed out from the fan-shaped nozzle 404, because the carbon dioxide is released from the carbon dioxide storage bottle 4, the pressure drops suddenly, the carbon dioxide is changed from liquid state to gaseous state, the oxygen content in the air is diluted, the oxygen content reduces, the heat generation rate during combustion is reduced, when the heat generation rate is reduced to a degree lower than the heat dissipation rate, the combustion is stopped, the fireproof door body 1 has the function of fire extinguishing, and the rapid rise of the, thereby people can be evacuated quickly.

The surface of the box body 2 is connected with a box door 201 through a hinge, a door lock 202 is arranged at the edge of the surface of the box door 201, and the box door 201 is conveniently opened and closed through the door lock 202.

Be vertical position relation between first communicating pipe 402 and the second communicating pipe 403, fan-shaped nozzle 404 is equipped with a plurality ofly, and is a plurality of fan-shaped nozzle 404 is a style of calligraphy and second communicating pipe 403 conducting connection, fan-shaped nozzle 404 extends to the fire door body 1 outside, and carbon dioxide is from fan-shaped nozzle 404 blowout, can increase the area of spraying carbon dioxide through a plurality of fan-shaped nozzle 404 to improve the effect of putting out a fire.

The top end of the valve rod 406 is fixedly connected with the bottom end of the connecting rod 3, the connecting rod 3 is driven to rotate so as to drive the valve rod 406 to operate, the stop valve 405 is opened, and carbon dioxide stored in the inner side of the carbon dioxide storage bottle 4 is output from the discharge pipe 401 under the action of pressure.

The bottom end of the valve rod 406 is provided with a through hole 407, which is beneficial to positioning the valve rod 406.

Stop valve 405 one side welding has connecting

block

5, 5 surperficial grafting pins 501 of connecting block, through pin 501 through connection piece 5, pin 501 is located same water flat line with through-hole 407 simultaneously, pegs graft through pin 501 and through-hole 407 and links to each other to prevent that valve rod 405 from being rotated, can follow can effectually avoid stop valve 405 to be opened by the mistake, play fine guard action.

It should be noted that, when the fire door safety control switch mechanism works, the fan-shaped nozzle 404 is located outside the fire door body 1, when the fire spreads to the outside of the fire door body 1, the hand wheel 301 is driven by the rapid operator to rotate, so that the connecting rod 3 drives the valve rod 406 to rotate, and the stop valve 405 is opened, the carbon dioxide stored inside the carbon dioxide storage bottle 4 is output from the discharge pipe 401 under the action of pressure, and then the carbon dioxide is sprayed out from the fan-shaped nozzle 404, because the carbon dioxide is released from the carbon dioxide storage bottle 4, the pressure drops suddenly, so that the carbon dioxide is converted from liquid state to gaseous state, the oxygen content in the air is diluted, the reduction of the oxygen content can reduce the heat generation rate during combustion, and when the heat generation rate is reduced to a degree lower than the heat dissipation rate, the combustion will stop, so that the fire door, the temperature near the fireproof door body 1 is prevented from rising rapidly, personnel evacuation can be performed rapidly, the surface of the box body 2 is connected with the box door 201 through a hinge, the edge of the surface of the box door 201 is provided with the door lock 202, the box door 201 is convenient to open and close through the arrangement of the door lock 202, a vertical position relation exists between the first communicating pipe 402 and the second communicating pipe 403, a plurality of fan-shaped nozzles 404 are arranged, the fan-shaped nozzles 404 are in a straight line shape and are communicated with the second communicating pipe 403, the fan-shaped nozzles 404 extend to the outer side of the fireproof door body 1, carbon dioxide is sprayed out from the fan-shaped nozzles 404, the area for spraying the carbon dioxide can be increased through the fan-shaped nozzles 404, the fire extinguishing effect is improved, the top end of the valve rod 406 is fixedly connected with the bottom end of the connecting rod 3, the valve rod 406 is driven to rotate, from discharging pipe 401 output, through-hole 407 has been seted up to valve rod 406 bottom, be favorable to fixing a position valve rod 406, stop valve 405 one side welding has connecting block 5, connecting block 5 surface grafting pin 501, through pin 501 through connection piece 5, pin 501 is located same water flat line with through-hole 407 simultaneously, peg 501 pegs graft with through-hole 407 and links to each other, thereby prevent that valve rod 405 from being rotated, can follow can effectually avoid stop valve 405 to be opened by the mistake, play fine guard action.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Prevent fire door safety control switch mechanism, including preventing fire door body (1), its characterized in that: prevent fire door body (1) surface mosaic and have box (2), box (2) top is equipped with connecting rod (3), connecting rod (3) top fixedly connected with hand wheel (301), carbon dioxide storage bottle (4) are installed to box (2) inboard, carbon dioxide storage bottle (4) top turn-on connection has discharging pipe (401), discharging pipe (401) one end has first communicating pipe (402) through flange joint, the welding of first communicating pipe (402) one end has second communicating pipe (403), box (2) outer wall top is equipped with fan-shaped nozzle (404), stop valve (405) are installed in discharging pipe (401) outside, stop valve (405) top is rotated and is connected with valve rod (406).

2. The fire door safety control switch mechanism of claim 1, further comprising: the surface of the box body (2) is connected with a box door (201) through a hinge, and a door lock (202) is installed at the edge of the surface of the box door (201).

3. The fire door safety control switch mechanism of claim 1, further comprising: be vertical position relation between first communicating pipe (402) and second communicating pipe (403), fan-shaped shower nozzle (404) are equipped with a plurality ofly, and are a plurality of fan-shaped shower nozzle (404) are a style of calligraphy and second communicating pipe (403) turn-on connection, fan-shaped shower nozzle (404) extend to prevent fire door body (1) outside.

4. The fire door safety control switch mechanism of claim 1, further comprising: the top end of the valve rod (406) is fixedly connected with the bottom end of the connecting rod (3).

5. The fire door safety control switch mechanism of claim 1, further comprising: the bottom end of the valve rod (406) is provided with a through hole (407).

6. The fire door safety control switch mechanism of claim 1, further comprising: stop valve (405) one side welding has connecting block (5), connecting block (5) surface grafting pin (501).