CN109568820B

CN109568820B - Fire control passageway door and window quick opening mechanism

Info

Publication number: CN109568820B
Application number: CN201811491089.0A
Authority: CN
Inventors: 黄艳国; 张慧敏; 胡书文
Original assignee: Jiangxi University of Science and Technology
Current assignee: Jiangxi University of Science and Technology
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2020-12-29
Anticipated expiration: 2038-12-07
Also published as: CN109568820A

Abstract

The invention relates to a door and window quick opening mechanism, in particular to a door and window quick opening mechanism of a fire fighting access. The technical problem to be solved is as follows: the rapid opening mechanism for the fire fighting access door and window does not hinder people from escaping and can save time. The technical scheme is as follows: a fire-fighting channel door and window quick opening mechanism comprises a frame, a compressed gas cylinder body, a first knob, a gas pipe, a cross beam, a clamping device, an independent power supply, an electric wire, a handheld cutting machine, an L-shaped cylinder body, a striking block and the like; the left part is installed the compressed gas cylinder body in the frame, and the compressed gas cylinder body top is equipped with the first knob that is used for calming anger, and the shape of first knob is the T shape. According to the invention, the lock on the fire fighting access door can be cut off through the handheld cutter, and then the fire fighting access door is opened, so that escape is carried out, so that people are not hindered from escaping, the beating block can break the door and window glass, and therefore, the door and window glass can be broken quickly, and time can be saved.

Description

Fire control passageway door and window quick opening mechanism

Technical Field

The invention relates to a door and window quick opening mechanism, in particular to a door and window quick opening mechanism of a fire fighting access.

Background

The fire fighting access is used for rescuing and evacuating people, is generally arranged at a stair opening and a passageway and plays a role of being incapable of underestimating in various dangerous situations, when people escape from the fire fighting access, if a fire fighting access door is locked, people can be hindered from escaping, door and window glass is generally hard, and people can only break the door and window glass with more time; in order to save time, people can directly crash the door and window glass, so that people are easy to be injured.

Disclosure of Invention

In order to overcome the defect that people can escape by locking a fire fighting access door, people need to spend more time to break the glass of the door and the window, and the technical problem to be solved is as follows: the rapid opening mechanism for the fire fighting access door and window does not hinder people from escaping and can save time.

The technical scheme is as follows: a fire fighting access door and window quick opening mechanism comprises a frame, a compressed gas cylinder body, a first knob, an air pipe, a cross beam, a clamping device, an independent power supply, an electric wire, a handheld cutting machine, an L-shaped cylinder body, a striking block, a third compression spring and a sucker, wherein the compressed gas cylinder body is installed at the left part in the frame, the first knob for compressing air is arranged at the top of the compressed gas cylinder body, the first knob is T-shaped, the upper part of the right side of the compressed gas cylinder body is connected with the air pipe for enabling air to flow, the cross beam for installation is installed at the upper part in the frame, the clamping device is arranged at the left side and the right side of the front side of the cross beam, the independent power supply is bolted at the bottom in the frame, the electric wire is connected with the top of the independent power supply, the handheld cutting machine is connected with the electric wire, the handheld cutting machine, and a striking block for striking the glass of the door and window is arranged at the upper part in the L-shaped cylinder body, a third compression spring is connected between the rear side of the striking block and the rear side in the L-shaped cylinder body, and a sucking disc is connected at the upper part of the rear side of the L-shaped cylinder body.

Furthermore, the clamping device comprises a clamping rod, a push block, a first compression spring, a first cylinder body, a second compression spring, push rods, a steel wire, a pull ball and a pulley, wherein the pulley playing a guiding role is respectively bolted at the left part and the right part in the cross beam, the left side and the right side of the front side of the cross beam are respectively provided with a first through hole playing a guiding role, the push blocks in T shapes are respectively arranged in the two first through holes, the first compression spring is connected between the rear side of the push block and the front side of the cross beam, the first compression spring is wound on the push block, the right side of the push block at the left side and the right side of the push block at the left side are respectively provided with a first clamping groove in a semicircular shape, the left part and the right part in the cross beam are respectively bolted with a first cylinder body, the push rods capable of clamping the push blocks are respectively arranged in the two first cylinder bodies, the push rods penetrate through the left side and the right side of the first cylinder body, the two push blocks are respectively, the second compression spring other end and the interior wall connection of first cylinder body, the push rod right-hand member on left push rod left end and right side all is connected with the steel wire, two pulleys are walked around respectively to two steel wires, two steel wires all pass the crossbeam front side, all be connected with on two steel wires and draw the ball, two equal rotary types in ejector pad rear sides are connected with two clamping bars, the middle part rotary type is connected in clamping bar middle part and the crossbeam, the clamping bar passes the crossbeam front side, handheld cutting machine presss from both sides between two clamping bars on right side, L shape cylinder body presss from both sides between two left clamping bars.

Further, still including the fourth compression spring, the case, holding rod and first torsion spring, open L shape cylinder body lower part has the blind hole, be equipped with the case that can stop up the air in the blind hole, around having the fourth compression spring on the case, fourth compression spring one end and case fixed connection, the front side fixed connection in the fourth compression spring other end and the blind hole, L shape cylinder body rear side lower part is connected with the holding rod that is used for propelling the case with the pivoted mode, the holding rod front side contacts with the case rear end, the junction of holding rod and L shape cylinder body is equipped with first torsion spring, first torsion spring one end is connected with L shape cylinder body, the first torsion spring other end is connected with the holding rod.

Further, the door and window glass striking mechanism comprises a second cylinder body, a fifth compression spring, a trigger rod, a special-shaped claw, a second torsion spring, a hook block, a bearing and a second knob, wherein the second cylinder body is bolted to the middle part of the right side of the L-shaped cylinder body, the trigger rod is placed in the second cylinder body, the fifth compression spring is wound on the trigger rod, one end of the fifth compression spring is connected with the trigger rod, the other end of the fifth compression spring is connected with the inner wall of the second cylinder body, the rear end of the trigger rod is rotatably connected with the two special-shaped claws used for striking door and window glass, the second torsion spring is arranged at the joint of the special-shaped claw and the trigger rod, one end of the second torsion spring is connected with the special-shaped claw, the other end of the second torsion spring is connected with the trigger rod, the bearing is installed on the front side of the second cylinder body in an embedded mode, the second knob is installed in the bearing.

Furthermore, the gas cylinder further comprises a safety bolt, the safety bolt which plays a role in fixing is arranged on the upper portion of the right side of the compressed gas cylinder body, the first knob is clamped by the safety bolt, and the gas pipe is located below the safety bolt.

The invention has the beneficial effects that: according to the invention, the lock on the fire fighting access door can be cut off through the handheld cutter, and then the fire fighting access door is opened, so that escape is carried out, so that people are not hindered from escaping, the hitting block can hit the door and window glass into pieces, and therefore, the door and window glass can be fast hit into pieces, so that time can be saved; through the action of the valve core, the striking block can strike the door and window glass continuously, so that the door and window glass made of different materials can be broken; the door and window glass can be completely broken through the special-shaped claws, so that the door and window glass can be quickly and completely broken.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic top view of the clamping device of the present invention.

Fig. 3 is a partial left view structural diagram of the present invention.

Fig. 4 is an enlarged schematic view of the structure of the present invention a.

Reference numerals: 1 frame, 2 compressed gas cylinder bodies, 3 first knobs, 4 safety bolts, 5 air pipes, 6 cross beams, 7 clamping devices, 71 clamping rods, 72 first through holes, 73 push blocks, 74 first compression springs, 75 first clamping grooves, 76 first cylinder bodies, 77 second compression springs, 78 push rods, 79 steel wires, 710 pull balls, 711 pulleys, 8 independent power supplies, 9 electric wires, 10 handheld cutting machines, 11L-shaped cylinder bodies, 12 striking blocks, 13 third compression springs, 14 suction cups, 15 door and window glass, 16 blind holes, 17 fourth compression springs, 18 valve cores, 19 holding rods, 20 first torsion springs, 21 second cylinder bodies, 22 fifth compression springs, 23 trigger rods, 24 special-shaped claws, 25 second torsion springs, 26 hook blocks, 27 bearings and 28 second knobs.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

Example 1

A fire fighting access door and window quick opening mechanism is shown in figures 1-3 and comprises a frame 1, a compressed gas cylinder body 2, a first knob 3, an air pipe 5, a cross beam 6, a clamping device 7, an independent power supply 8, an electric wire 9, a handheld cutting machine 10, an L-shaped cylinder body 11, a striking block 12, a third compression spring 13 and a suction cup 14, wherein the compressed gas cylinder body 2 is installed at the left part in the frame 1, the frame 1 is connected with the compressed gas cylinder body 2 in a bolt connection mode, the first knob 3 for compressing air is arranged at the top of the compressed gas cylinder body 2, the first knob 3 is T-shaped, the air pipe 5 for enabling air to flow is connected to the upper part of the right side of the compressed gas cylinder body 2, the cross beam 6 for installation is installed at the upper part in the frame 1, the frame 1 is connected with the cross beam 6 in a bolt connection mode, the clamping device 7 is arranged at the, the independent power supply 8 is bolted to the bottom in the frame 1, the top of the independent power supply 8 is connected with an electric wire 9, the electric wire 9 is connected with a handheld cutting machine 10, the handheld cutting machine 10 is clamped on a clamping device 7 on the right side, an L-shaped cylinder body 11 is connected on the air pipe 5, the L-shaped cylinder body 11 is clamped on the clamping device 7 on the left side, a striking block 12 for striking door and window glass 15 is arranged at the inner upper portion of the L-shaped cylinder body 11, a third compression spring 13 is connected between the rear side of the striking block 12 and the inner rear side of the L-shaped cylinder body 11, the striking block 12 and the L-shaped cylinder body 11 are both connected with the third compression spring 13 in a welding connection mode, and a sucker 14 is.

Example 2

A fire fighting access door and window quick opening mechanism is shown in figures 1-3 and comprises a frame 1, a compressed gas cylinder body 2, a first knob 3, an air pipe 5, a cross beam 6, a clamping device 7, an independent power supply 8, an electric wire 9, a handheld cutting machine 10, an L-shaped cylinder body 11, a striking block 12, a third compression spring 13 and a suction cup 14, wherein the compressed gas cylinder body 2 is installed at the left part in the frame 1, the first knob 3 for compressing air is arranged at the top of the compressed gas cylinder body 2, the first knob 3 is T-shaped, the air pipe 5 for enabling air to flow is connected to the upper part of the right side of the compressed gas cylinder body 2, the cross beam 6 for installation is installed at the upper part in the frame 1, the clamping device 7 is arranged on the left side and the right side of the front side of the cross beam 6, the independent power supply 8 is bolted to the bottom in the frame 1, the top of the, the handheld cutting machine 10 is clamped on the clamping device 7 on the right side, the air pipe 5 is connected with the L-shaped cylinder body 11, the L-shaped cylinder body 11 is clamped on the clamping device 7 on the left side, a striking block 12 used for striking door and window glass 15 is arranged at the upper portion in the L-shaped cylinder body 11, a third compression spring 13 is connected between the rear side of the striking block 12 and the rear side in the L-shaped cylinder body 11, and a suction disc 14 is connected to the upper portion of the rear side of the L-shaped cylinder body 11.

The clamping device 7 comprises a clamping rod 71, a push block 73, a first compression spring 74, a first cylinder 76, a second compression spring 77, a push rod 78, a steel wire 79, a pull ball 710 and a pulley 711, wherein the pulley 711 for guiding is bolted at the left part and the right part in the cross beam 6, the left side and the right side of the front side of the cross beam 6 are respectively provided with a first through hole 72 for guiding, the two first through holes 72 are respectively provided with the push block 73 in a T shape, the first compression spring 74 is connected between the rear side of the push block 73 and the front side of the cross beam 6, the push block 73 and the cross beam 6 are respectively connected with the first compression spring 74 in a welding connection mode, the first compression spring 74 is wound on the push block 73, the left side of the push block 73 and the right side of the push block 73 on the right side are respectively provided with a first clamping groove 75 in a semicircular shape, the left part and the right part in the cross beam 6 are respectively bolted with the first cylinder 76, the push rod 78 capable of clamping the push block 73 is arranged, push rod 78 passes the first cylinder body 76 left and right sides, two push rods 78 contact with two ejector pads 73 respectively, all around having second compression spring 77 on two push rods 78, second compression spring 77 one end is connected with push rod 78, second compression spring 77 is connected with push rod 78 through welded connection's mode, the second compression spring 77 other end and first cylinder body 76 inner wall connection, left push rod 78 left end and the push rod 78 right-hand member on right side all are connected with steel wire 79, two steel wire 79 walk around two pulleys 711 respectively, two steel wire 79 all pass crossbeam 6 front side, all be connected with on two steel wire 79 and draw ball 710, two push rod 73 rear sides all are connected with two clamp bars 71 of equal rotary type, clamp bar 71 middle part and crossbeam 6 inside middle part rotary type are connected, clamp bar 71 passes crossbeam 6 front side, handheld cutting machine 10 presss from both sides between two clamp bars 71 on right side, L shape cylinder body 11 presss from both sides between two left clamp bars 71.

Example 3

The clamping device 7 comprises a clamping rod 71, a push block 73, a first compression spring 74, a first cylinder 76, a second compression spring 77, push rods 78, a steel wire 79, a pull ball 710 and a pulley 711, wherein the pulley 711 for guiding is bolted at the left part and the right part in the cross beam 6, the left side and the right side of the front side of the cross beam 6 are respectively provided with a first through hole 72 for guiding, the two push blocks 73 in T shape are respectively arranged in the two first through holes 72, the first compression spring 74 is connected between the rear side of the push block 73 and the front side of the cross beam 6, the first compression spring 74 is wound on the push block 73, the right sides of the push blocks 73 at the left side and the right side of the left side are respectively provided with a first clamping groove 75 in semicircular shape, the left part and the right part in the cross beam 6 are respectively bolted with a first cylinder 76, the push rods 78 capable of clamping the push blocks 73 are respectively arranged in the two first cylinder 76, the push rods 78 pass through the left side and the right side of the first cylinder 76, and, all around having second compression spring 77 on two push rods 78, second compression spring 77 one end is connected with push rod 78, the second compression spring 77 other end and the interior wall connection of first cylinder body 76, left push rod 78 left end and the push rod 78 right-hand member on right side all are connected with steel wire 79, two pulleys 711 are walked around respectively to two steel wire 79, two steel wire 79 all pass crossbeam 6 front side, all be connected with on two steel wire 79 and draw ball 710, two equal rotary types in ejector pad 73 rear sides are connected with two clamping bars 71, middle part rotary type is connected in clamping bar 71 middle part and the crossbeam 6, clamping bar 71 passes crossbeam 6 front side, handheld cutting machine 10 presss from both sides between two clamping bars 71 on right side, L shape cylinder body 11 presss from both sides between two left clamping bars 71.

The air-blocking valve further comprises a fourth compression spring 17, a valve core 18, a holding rod 19 and a first torsion spring 20, a blind hole 16 is formed in the lower portion of the L-shaped cylinder body 11, the valve core 18 capable of blocking air is arranged in the blind hole 16, the fourth compression spring 17 is wound on the valve core 18, one end of the fourth compression spring 17 is fixedly connected with the valve core 18, the fourth compression spring 17 is connected with the valve core 18 in a welding connection mode, the other end of the fourth compression spring 17 is fixedly connected with the inner front side of the blind hole 16, the lower portion of the rear side of the L-shaped cylinder body 11 is rotatably connected with the holding rod 19 used for pushing the valve core 18, the front side of the holding rod 19 is contacted with the rear end of the valve core 18, the first torsion spring 20 is arranged at the connection position of the holding rod 19 and the L-shaped cylinder body 11, one end of the first torsion spring 20 is connected with the L-shaped cylinder body 11 in a welding connection mode, and the other end of the, the first torsion spring 20 is connected to the grip 19 by means of a welded connection.

Example 4

A fire fighting access door and window quick opening mechanism is shown in figures 1-4 and comprises a frame 1, a compressed gas cylinder body 2, a first knob 3, an air pipe 5, a cross beam 6, a clamping device 7, an independent power supply 8, an electric wire 9, a handheld cutting machine 10, an L-shaped cylinder body 11, a striking block 12, a third compression spring 13 and a suction cup 14, wherein the compressed gas cylinder body 2 is installed at the left part in the frame 1, the first knob 3 for compressing air is arranged at the top of the compressed gas cylinder body 2, the first knob 3 is T-shaped, the air pipe 5 for enabling air to flow is connected to the upper part of the right side of the compressed gas cylinder body 2, the cross beam 6 for installation is installed at the upper part in the frame 1, the clamping device 7 is arranged on the left side and the right side of the front side of the cross beam 6, the independent power supply 8 is bolted to the bottom in the frame 1, the top of the, the handheld cutting machine 10 is clamped on the clamping device 7 on the right side, the air pipe 5 is connected with the L-shaped cylinder body 11, the L-shaped cylinder body 11 is clamped on the clamping device 7 on the left side, a striking block 12 used for striking door and window glass 15 is arranged at the upper portion in the L-shaped cylinder body 11, a third compression spring 13 is connected between the rear side of the striking block 12 and the rear side in the L-shaped cylinder body 11, and a suction disc 14 is connected to the upper portion of the rear side of the L-shaped cylinder body 11.

The air-blocking valve further comprises a fourth compression spring 17, a valve core 18, a holding rod 19 and a first torsion spring 20, a blind hole 16 is formed in the lower portion of the L-shaped cylinder body 11, the valve core 18 capable of blocking air is arranged in the blind hole 16, the fourth compression spring 17 is wound on the valve core 18, one end of the fourth compression spring 17 is fixedly connected with the valve core 18, the other end of the fourth compression spring 17 is fixedly connected with the front side in the blind hole 16, the lower portion of the rear side of the L-shaped cylinder body 11 is connected with the holding rod 19 used for pushing the valve core 18 in a rotating mode, the front side of the holding rod 19 is contacted with the rear end of the valve core 18, the first torsion spring 20 is arranged at the joint of the holding rod 19 and the L-shaped cylinder body 11, one end of the first torsion spring 20 is connected with the L-shaped.

The glass door and window glass striking machine further comprises a second cylinder body 21, a fifth compression spring 22, a trigger rod 23, a special-shaped claw 24, a second torsion spring 25, a hook block 26, a bearing 27 and a second knob 28, wherein the second cylinder body 21 is bolted in the middle of the right side of the L-shaped cylinder body 11, the trigger rod 23 is placed in the second cylinder body 21, the fifth compression spring 22 is wound on the trigger rod 23, one end of the fifth compression spring 22 is connected with the trigger rod 23, the fifth compression spring 22 is connected with the trigger rod 23 in a welding connection mode, the other end of the fifth compression spring 22 is connected with the inner wall of the second cylinder body 21, the fifth compression spring 22 is connected with the second cylinder body 21 in a welding connection mode, the rear end of the trigger rod 23 is rotatably connected with the special-shaped claws 24 used for striking door and window glass 15, the second torsion spring 25 is arranged at the connection position of the special-shaped claw 24 and the trigger rod 23, one end of the second torsion spring 25 is connected with the trigger rod 23, the bearing 27 is installed at the front side of the second cylinder body 21 in an embedded mode, the second knob 28 is installed in the bearing 27, the hook block 26 playing a fixing role is connected to the rear end of the second knob 28, the second knob 28 is connected with the hook block 26 in a welding connection mode, and the trigger rod 23 is hooked by the hook block 26.

Example 5

The glass door and window glass striking machine further comprises a second cylinder body 21, a fifth compression spring 22, a trigger rod 23, a special-shaped claw 24, a second torsion spring 25, a hook block 26, a bearing 27 and a second knob 28, wherein the second cylinder body 21 is bolted in the middle of the right side of the L-shaped cylinder body 11, the trigger rod 23 is placed in the second cylinder body 21, the fifth compression spring 22 is wound on the trigger rod 23, one end of the fifth compression spring 22 is connected with the trigger rod 23, the other end of the fifth compression spring 22 is connected with the inner wall of the second cylinder body 21, the rear end of the trigger rod 23 is rotatably connected with the two special-shaped claws 24 used for striking the door and window glass 15, the second torsion spring 25 is arranged at the connection part of the special-shaped claw 24 and the trigger rod 23, one end of the second torsion spring 25 is connected with the special-shaped claw 24, the other end of the second torsion spring 25 is connected with the trigger rod 23, the bearing 27 is embedded in the front side of the second cylinder body 21, the, the hook 26 hooks the trigger lever 23.

Still including the safety catch 4, the upper portion of the compressed gas cylinder body 2 right side is equipped with the safety catch 4 who plays the fixed action, and the safety catch 4 blocks first knob 3, and trachea 5 is located the safety catch 4 below.

The device is arranged in a fire fighting access through the frame 1, when people escape from the fire fighting access, people control the clamping device 7 on the right side to loosen the handheld cutter 10, then the lock on the fire fighting access door is cut off by using the hand-held cutter 10, and then the anti-access door is opened for escape, therefore, when the door and window glass 15 needs to be broken without hindering the escape of people, people control the clamping device 7 at the left side to loosen the L-shaped cylinder body 11, then holding the L-shaped cylinder body 11 to make the suction cup 14 suck on the door and window glass 15, then rotating the first knob 3 to move downwards to compress air, the air in the compressed air cylinder body 2 is sprayed into the L-shaped cylinder body 11 through the air pipe 5, then, the striking block 12 is pushed to move backwards quickly to break the door and window glass 15, so that the door and window glass 15 can be broken quickly, time can be saved, and the third compression spring 13 is compressed at the moment. When the door and window glass 15 is broken, people stop rotating the first knob 3, the striking block 12 is reset forwards under the action of the third compression spring 13, and people break the door and window glass 15 completely to escape.

Initially, the second compression spring 77 is in a compressed state. People put the handheld cutting machine 10 between two clamping bars 71 on the right side, then push the push block 73 on the right side backwards, the first compression spring 74 on the right side is compressed, the push block 73 on the right side backwards moves to drive the clamping bar 71 on the right side to be closed inwards, the handheld cutting machine 10 is clamped, when the push rod 78 on the right side corresponds to the first clamping groove 75 on the right side, under the action of the second compression spring 77 on the right side, the push rod 78 on the right side leftwards moves to be clamped into the first clamping groove 75 on the right side, the push block 73 on the right side is fixed, people can stop pushing the push block 73 on the right side, and then the L-shaped cylinder body 11 is clamped between the two clamping bars 71 on. When people escape from a fire fighting access, people hold the handheld cutter 10, then pull the right pull ball 710 forwards, the right push rod 78 is driven to move rightwards through the right steel wire 79, the right second compression spring 77 is compressed, when the right push rod 78 moves out of the right first clamping groove 75, under the action of the right first compression spring 74, the right push block 73 is reset forwards, the right clamping rod 71 is driven to expand outwards, the handheld cutter 10 is loosened, people can stop pulling the right pull ball 710, then the handheld cutter 10 is used for cutting off a lock on a fire fighting access door, then escape is carried out, when the door and window glass 15 is broken, people repeat the above operations, and the L-shaped cylinder body 11 is loosened from the position between the two left clamping rods 71.

When people rotate the first knob 3 to move downwards to compress air, the valve core 18 blocks the L-shaped cylinder body 11, so that air cannot enter the L-shaped cylinder body 11, after the air is compressed, people pull the holding rod 19 forwards, the first torsion spring 20 is twisted, the holding rod 19 swings forwards to push the valve core 18 to move forwards, the L-shaped cylinder body 11 is opened, the air in the compressed air cylinder body 2 is discharged into the L-shaped cylinder body 11 through the air pipe 5, then the striking block 12 is pushed to move backwards to strike the door and window glass 15, at the moment, the fourth compression spring 17 is compressed, people release the holding rod 19, under the action of the first torsion spring 20, the holding rod 19 swings backwards, under the action of the fourth compression spring 17, the valve core 18 returns backwards to block the L-shaped cylinder body 11, people pull the holding rod 19 forwards again, and the steps are repeated, so that the striking block 12 can strike the door and window glass 15 continuously, so that the door and window glass 15 made of different materials can be broken. When the door glass 15 is broken, the person releases the grip 19.

Initially, the fifth compression spring 22 is in a compressed state and the second torsion spring 25 is wound. When the suction cup 14 is sucked on the door and window glass 15, the second cylinder body 21 is in contact with the door and window glass 15, after the door and window glass 15 is broken, people rotate the second knob 28180 degrees to drive the hook block 26 to rotate 180 degrees, the trigger rod 23 is loosened, the trigger rod 23 moves backwards under the action of the fifth compression spring 22 to drive the special-shaped claw 24 to move backwards, when the special-shaped claw 24 moves out of the second cylinder body 21, the special-shaped claw 24 is outwards opened under the action of the second torsion spring 25 to completely break the door and window glass 15, and therefore the door and window glass 15 can be completely broken quickly.

The safety plug 4 can block the first knob 3, prevent that the first knob 3 from breaking away from the compressed gas cylinder body 2, when needs are calmed the anger, people pull out the safety plug 4 can.

It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.

Claims

1. A fire-fighting access door and window quick opening mechanism comprises a frame, a compressed gas cylinder body, a first knob, an air pipe and a cross beam, wherein the compressed gas cylinder body is installed at the left part in the frame, the first knob for compressing gas is arranged at the top of the compressed gas cylinder body, the first knob is in a T shape, the upper part of the right side of the compressed gas cylinder body is connected with the air pipe for enabling air to flow, and the cross beam for installation is installed at the upper part in the frame, the L-shaped cylinder body is clamped on the clamping device on the left side, the upper part in the L-shaped cylinder body is provided with a striking block for striking the glass of the door and the window, a third compression spring is connected between the rear side of the striking block and the rear side in the L-shaped cylinder body, the upper part on the rear side of the L-shaped cylinder body is connected with a sucker, the clamping device comprises a clamping rod, a push block, a first compression spring, a first cylinder body, a second compression spring, a push rod, a steel wire, a pull ball and a pulley, the left part and the right part in a cross beam are both bolted with the pulley for guiding, the left side and the right side of the front side of the cross beam are both provided with first through holes for guiding, the two first through holes are both internally provided with the push block in a T shape, the first compression spring is connected between the rear side of the push block and the front side of the cross beam, the first compression spring is wound on the push block, the left side and the right side of the push, all be equipped with the push rod that can block the ejector pad in two first cylinders body, the push rod passes the first cylinder body left and right sides, two push rods respectively with two ejector pad contacts, all around there being second compression spring on two push rods, second compression spring one end is connected with the push rod, the second compression spring other end and first cylinder body inner wall connection, left push rod left end and the push rod right-hand member on right side all are connected with the steel wire, two pulleys are walked around respectively to two steel wires, two steel wires all pass the crossbeam front side, all be connected with the ball on two steel wires, two equal rotary types in ejector pad rear side are connected with two clamping bars, the middle part rotary type is connected in clamping bar middle part and the crossbeam, the clamping bar passes the crossbeam front side, handheld cutting machine presss from both sides between two clamping bars on right side, L shape cylinder body presss from.

2. The fire fighting access door and window quick opening mechanism as recited in claim 1, further comprising a fourth compression spring, a valve core, a holding rod and a first torsion spring, wherein a blind hole is formed in the lower portion of the L-shaped cylinder, the valve core capable of blocking air is arranged in the blind hole, the fourth compression spring is wound on the valve core, one end of the fourth compression spring is fixedly connected with the valve core, the other end of the fourth compression spring is fixedly connected with the front side in the blind hole, the lower portion of the rear side of the L-shaped cylinder is rotatably connected with the holding rod for pushing the valve core, the front side of the holding rod is contacted with the rear end of the valve core, the first torsion spring is arranged at the joint of the holding rod and the L-shaped cylinder, one end of the first torsion spring is connected with the L-shaped cylinder, and the other end of the first torsion spring is connected.

3. The fire fighting access door and window quick opening mechanism as recited in claim 2, further comprising a second cylinder, a fifth compression spring, a trigger rod, a special-shaped claw, a second torsion spring, a hook block, a bearing and a second knob, wherein the second cylinder is bolted to the middle part of the right side of the L-shaped cylinder, the trigger rod is placed in the second cylinder, the fifth compression spring is wound on the trigger rod, one end of the fifth compression spring is connected with the trigger rod, the other end of the fifth compression spring is connected with the inner wall of the second cylinder, the rear end of the trigger rod is rotatably connected with two special-shaped claws for knocking the glass of the door and window, the second torsion spring is arranged at the connection part of the special-shaped claw and the trigger rod, one end of the second torsion spring is connected with the special-shaped claw, the other end of the second torsion spring is connected with the trigger rod, the bearing is embedded in the front side of the second cylinder, the second knob is installed in the bearing, the rear end of the second knob is, the hook block hooks the trigger rod.

4. The fire fighting access door and window quick opening mechanism as recited in claim 3, further comprising a safety plug, wherein the safety plug for fixing is arranged at the upper portion of the right side of the compressed gas cylinder body, the first knob is clamped by the safety plug, and the air pipe is located below the safety plug.