1. The utility model provides a steel house room with withdraw device that catches fire, includes the steel house room who constitutes through steel construction roof (1) and steel construction curb plate (2) fixed connection, and installs fire alarm (3), its characterized in that in the steel house room: an escape through groove (201) is formed in the lower portion of the steel structure side plate (2), a rotating plate (4) is rotatably connected to the upper wall of the escape through groove (201), an escape pedal (5) is arranged below the rotating plate (4), an insertion block (6) movably inserted into the rotating plate (4) is fixedly connected above the escape pedal (5), a through groove (61) is arranged at one end of the inserting block (6) extending into the rotating plate (4), an elastic pull rod (7) is movably arranged in the through groove (61), two ends of the elastic pull rod (7) are fixedly connected with fixed blocks (8) which movably extend out of the through groove (61), a fixing groove (41) for inserting the fixing block (8) is arranged in the rotating plate (4), a fixing component is arranged below the escape pedal (5), the fixing component blocks the escape pedal (5) when the fire alarm (3) does not work;

the outer side of the lower part of the escape pedal (5) is movably connected with a push plate (9), the escape through groove (201) is connected with a pressing groove (202) matched with the push plate (9), one side, far away from the escape pedal (5), of the push plate (9) is fixedly connected with an elastic push rod (10), and one end, far away from the push plate (9), of the elastic push rod (10) is fixedly connected with a fixing plate (11);

the outer side of the upper part of the escape pedal (5) is fixedly connected with a clamping plate (51), the push plate (9) is fixedly connected with a first steel wire rope (12), a second steel wire rope (13) is fixedly connected between the first steel wire rope (12) and the elastic pull rod (7), and the push plate (9) pushes the escape pedal (5) to rotate so that the second steel wire rope (13) pulls the elastic pull rod (7) and the fixing block (8) leaves the fixing groove (41); and

the control circuit comprises a power supply (15), a sliding electric plate (17), a first fixed electric plate (18), a warning lamp (19), a second fixed electric plate (20) and an indicator lamp (21), wherein the power supply (15), the sliding electric plate (17), the first fixed electric plate (18), the warning lamp (19), the second fixed electric plate (20) and the indicator lamp (21) are connected through a lead (16), the sliding electric plate (17) and the first fixed electric plate (18) are connected to enable the warning lamp (19) to work, the sliding electric plate (17) and the second fixed electric plate (20) are connected to enable the indicator lamp (21) to work, and the warning lamp (19) and the indicator lamp (21) are fixedly arranged on the inner side of the escape pedal (5);

slide and connect between electroplax (17) and first wire rope (12) through third wire rope (14) fixed connection, and push pedal (9) promote footboard (5) of fleing and rotate for third wire rope (14) drive slide and connect electroplax (17) and first fixed electroplax (18) to be connected, slide and connect electroplax (17) fixedly connected with elasticity piece (22).

2. Steel house with fire evacuation device according to claim 1, characterized in that: an extending groove (52) is formed in the upper portion of the escape pedal (5), a first steel wire rope (12) movably penetrates through the clamping plate (51) and extends into the extending groove (52), the extending groove (52) is communicated with the through groove (61) through a connecting groove (62), a second steel wire rope (13) is fixedly connected with one end, extending into the extending groove (52), of the first steel wire rope (12), and the second steel wire rope (13) movably penetrates through the connecting groove (62) and is fixedly connected with the elastic pull rod (7);

escape pedal (5) and interior circuit groove (53) of holding control circuit of having seted up, and circuit groove (53) are located stretch into groove (52) below and with stretch into groove (52) intercommunication, the one end fixed connection that stretches into groove (52) is stretched into in third wire rope (14) and first wire rope (12), and the one end and the sliding connection electroplax (17) fixed connection that third wire rope (14) activity stretched into circuit groove (53), first fixed electroplax (18) and the fixed electroplax (20) fixed connection of second are on the same lateral wall of circuit groove (53), and first fixed electroplax (18) are located the fixed electroplax (20) top of second, elasticity piece (22) fixed connection is between sliding connection electroplax (17) and circuit groove (53) diapire.

3. Steel house with fire evacuation device according to claim 1, characterized in that: the rotating plate (4) is provided with a slot (42) for the insertion block (6) to be movably inserted, and the slot (42) is connected with the fixed slot (41).

4. A steel house building with fire evacuation device as claimed in claim 3 wherein: the slot (42) top is connected with pushes away groove (43), push away the groove (43) and go up inner wall fixed connection elasticity ejector pad (26).

5. Steel house with fire evacuation device according to claim 1, characterized in that: it is connected with fixed subassembly groove (203) that hold fixed subassembly to flee logical groove (201) diapire, fixed subassembly comprises in proper order fixed connection's electro-magnet (23), elasticity post (24) and magnetism fixture block (25), draw-in groove (54) have been seted up to footboard (5) lower part of fleing, and magnetism fixture block (25) activity stretch out fixed subassembly groove (203) and stretch into in draw-in groove (54), electro-magnet (23) attract magnetism fixture block (25) to leave draw-in groove (54) when fire alarm (3) work.

6. Steel house with fire evacuation device according to claim 1, characterized in that: the inner wall fixedly connected with fixed plate (27) on the logical groove (201) of fleing, rotate through pivot (28) between fixed plate (27) and rotor plate (4) and connect.

7. Steel house with fire evacuation device according to claim 1, characterized in that: the warning lamp (19) works to emit red light, and the indicating lamp (21) works to emit green light.

Background

When a building is in fire and cannot be handled, it is vital to evacuate the fire scene safely and timely, and factors influencing people leaving the fire scene are many, such as: 1, a house assembled by steel structures and a door are easy to be dislocated due to high temperature generated by fire, so that the door is difficult to open, and people are trapped in the house and cannot get out; 2, a large amount of dense smoke can be produced in the fire, the dense smoke can seriously obstruct the sight of people, so that people cannot find a safe exit in time, and precious evacuation time is wasted.

Disclosure of Invention

The present invention aims to provide a steel house with a fire evacuation system to solve the problems set forth in the background art.

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

a steel structure house with a fire evacuation device comprises a steel structure house which is formed by fixedly connecting a steel structure top plate and a steel structure side plate, wherein a fire alarm is installed in the steel structure house, an escape through groove is formed in the lower portion of the steel structure side plate, the upper wall of the escape through groove is rotatably connected with a rotating plate, an escape pedal is arranged below the rotating plate, an insertion block which is movably inserted into the rotating plate is fixedly connected above the escape pedal, a through groove is formed in one end, extending into the rotating plate, of the insertion block, an elastic pull rod is movably arranged in the through groove, two ends of the elastic pull rod are fixedly connected with fixing blocks which movably extend out of the through groove, a fixing groove for the fixing blocks to be inserted is formed in the rotating plate, a fixing assembly is arranged below the escape pedal, and the escape pedal is;

the outer side of the lower part of the escape pedal is movably connected with a push plate, the escape through groove is connected with a pressing groove matched with the push plate, one side of the push plate, far away from the escape pedal, is fixedly connected with an elastic push rod, and one end of the elastic push rod, far away from the push plate, is fixedly connected with a fixing plate;

the outer side of the upper part of the escape pedal is fixedly connected with a clamping plate, the push plate is fixedly connected with a first steel wire rope, a second steel wire rope is fixedly connected between the first steel wire rope and the elastic pull rod, and the push plate pushes the escape pedal to rotate so that the second steel wire rope pulls the elastic pull rod and the fixing block leaves the fixing groove; and

the control circuit comprises a power supply, a sliding electric plate, a first fixed electric plate, a warning lamp, a second fixed electric plate and an indicator lamp which are connected through a wire, wherein the sliding electric plate is connected with the first fixed electric plate to enable the warning lamp to work, the sliding electric plate is connected with the second fixed electric plate to enable the indicator lamp to work, and the warning lamp and the indicator lamp are fixedly arranged on the inner side of the escape pedal;

the sliding electric plate is fixedly connected with the first steel wire rope through a third steel wire rope, the push plate pushes the escape pedal to rotate, so that the third steel wire rope drives the sliding electric plate to be connected with the first fixed electric plate, and the sliding electric plate is fixedly connected with an elastic block.

Preferably, the upper part of the escape pedal is provided with an extending groove, a first steel wire rope movably penetrates through the clamping plate and extends into the extending groove, the extending groove and the extending groove are communicated through a connecting groove, a second steel wire rope and one end, extending into the extending groove, of the first steel wire rope are fixedly connected, and the second steel wire rope movably penetrates through the connecting groove and is fixedly connected with the elastic pull rod;

the footboard of fleing is seted up the circuit groove that holds control circuit in, and the circuit groove is located and stretches into the groove below and with stretch into the groove intercommunication, third wire rope and first wire rope stretch into the one end fixed connection who stretches into the groove, and the one end and the slip that third wire rope activity stretched into the circuit groove connect electric board fixed connection, first fixed electricity board and the fixed electricity board fixed connection that connects of second connect on the same lateral wall of circuit groove, and first fixed electricity board that connects is located the fixed electricity board top that connects of second, elasticity piece fixed connection is between slip electricity board and circuit groove bottom wall.

Preferably, the rotating plate is provided with a slot for the insertion block to be movably inserted, and the slot is connected with the fixed slot.

Preferably, the slot top is connected with pushes away the groove, push away the inslot inner wall fixedly connected with elasticity ejector pad.

Preferably, it is connected with the fixed subassembly groove that holds fixed subassembly to flee through groove diapire, fixed subassembly comprises electromagnet, elastic column and the magnetism fixture block of fixed connection in proper order, the draw-in groove has been seted up to the footboard lower part of fleing, and the activity of magnetism fixture block stretches out fixed subassembly groove and stretches into in the draw-in groove, the electromagnet attracts the magnetism fixture block to leave the draw-in groove at fire alarm during operation.

Preferably, the inner wall of the escape through groove is fixedly connected with a fixed plate, and the fixed plate is rotatably connected with the rotating plate through a rotating shaft.

Preferably, the warning light works to emit red light, and the indicating light works to emit green light.

Compared with the prior art, the invention has the beneficial effects that:

the device has the advantages that through the matching of the push plate, the first steel wire rope, the second steel wire rope and the elastic pull rod, after the push plate pushes the escape pedal to rotate to a certain degree, the escape pedal is separated from the rotating plate and slides obliquely downwards to be clamped on the push plate, the escape pedal forms a connecting path for connecting the interior of a steel structure house and an escape through groove, so that personnel can conveniently leave a fire scene, the situation that the house assembled by the steel structure and a door are staggered due to high temperature generated by fire, the door is difficult to open, the potential safety hazard that people cannot go out due to being trapped in the house is avoided, and meanwhile, the efficiency of the fire scene of evacuated personnel is improved;

2, this device passes through the push pedal, first wire rope, cooperation between third wire rope and control circuit, in the push pedal promotes the footboard rotation in-process of fleing, the warning light work on the footboard of fleing, the suggestion personnel are close to and keep the certain distance to the footboard department of fleing, avoid being damaged by the footboard of fleing of motion, after footboard slope gliding and fixing of fleing, the pilot lamp work on the footboard of fleing, the personnel in the suggestion steel house footboard of fleing are ready, and the person of introducing walks the footboard of fleing, through the footboard of fleing, the logical groove of fleing leaves the scene of a fire, warning light and pilot lamp can pierce through dense cigarette, make things convenient for personnel in time to find the logical groove of fleing and withdraw.

According to the steel structure house with the fire evacuation device, the escape pedal is separated from the rotating plate and obliquely slides down to be clamped on the push plate, so that a connecting path between the interior of the steel structure house and the escape through groove is formed, personnel can conveniently leave a fire scene, the work of the warning lamp is warned when the escape pedal rotates under the control of the control circuit, and the work of the indicating lamp is guided after the escape pedal is prepared, so that the personnel can leave the fire scene through the escape pedal more safely and efficiently.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure of area A in FIG. 1;

FIG. 3 is a schematic view illustrating the escape pedal being tilted according to the present invention;

FIG. 4 is an enlarged view of the structure of the area B in FIG. 3;

FIG. 5 is a schematic diagram of the operation of the control circuit of FIG. 3;

FIG. 6 is a schematic view illustrating the escape pedal and the pivotal plate being disengaged according to the present invention;

FIG. 7 is an enlarged view of the structure of the area C in FIG. 6;

FIG. 8 is a schematic view showing the escape pedal being slid down and locked in place in accordance with the present invention.

In the figure: 1 steel structure roof, 2 steel structure side plates, 201 escape through groove, 202 pressing groove, 203 fixing component groove, 3 fire alarm, 4 rotating plate, 41 fixing groove, 42 inserting groove, 43 pushing groove, 5 escape pedal, 51 clamping plate, 52 extending groove, 53 circuit groove, 54 clamping groove, 6 inserting block, 61 through groove, 62 connecting groove, 7 elastic pull rod, 8 fixing block, 9 pushing plate, 10 elastic pushing rod, 11 fixing plate, 12 first steel wire rope, 13 second steel wire rope, 14 third steel wire rope, 15 power supply, 16 lead, 17 sliding electric plate, 18 first fixed electric plate, 19 warning lamp, 20 second fixed electric plate, 21 indicating lamp, 22 elastic block, 23 electromagnet, 24 elastic column, 25 magnetic clamping block, 26 elastic pushing block, 27 fixing plate and 28 rotating shaft.

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. 1-8, the present invention provides a technical solution:

a steel structure house with a fire evacuation device comprises a steel structure house which is fixedly connected by a steel structure top plate 1 and a steel structure side plate 2, a fire alarm 3 is installed in the steel structure house, when the steel structure house is in fire, the fire alarm 3 works to alarm and control a fixing component, so that the control component does not block an escape pedal 5, an escape through groove 201 is formed in the lower part of the steel structure side plate 2, when the steel structure house is in fire, personnel in the steel structure house leave the steel structure house through the escape through groove 201, the upper wall of the escape through groove 201 is rotatably connected with a rotating plate 4, the escape pedal 5 is arranged below the rotating plate 4, an insertion block 6 movably inserted into the rotating plate 4 is fixedly connected above the escape pedal 5, one end of the insertion block 6 extending into the rotating plate 4 is provided with a through groove 61, an elastic pull rod 7 is movably arranged in the through groove 61, two ends of the, a fixing groove 41 for inserting a fixing block 8 is formed in the rotating plate 4, the fixing block 8 is clamped in the fixing groove 41, the rotating plate 4 and the escape pedal 5 are fixed through an inserting block 6, a fixing component is arranged below the escape pedal 5, the escape pedal 5 is clamped by the fixing component when the fire alarm 3 is not in operation, the escape pedal 5 is kept fixed under the action of the fixing component when a fire disaster does not happen, the escape pedal 5 and the rotating plate 4 block the escape through groove 201, the sealing performance of the steel structure house is guaranteed, and the fixing component leaves the escape pedal 5 when the fire disaster happens, so that the escape pedal 5 is separated from the fixing component;

the outer side of the lower part of the escape pedal 5 is movably connected with a push plate 9, the escape through groove 201 is connected with a press groove 202 matched with the push plate 9, one side, away from the escape pedal 5, of the push plate 9 is fixedly connected with an elastic push rod 10, one end, away from the push plate 9, of the elastic push rod 10 is fixedly connected with a fixing plate 11, the fixing plate 11 is fixedly arranged on the inner wall of the escape through groove 201, the elastic push rod 10 extrudes the push plate 9 under the action of self elasticity, so that the push plate 9 is extruded on the outer side of the escape pedal 5, when a fire occurs, the escape pedal 5 is separated from being fixed, the push plate 9 pushes the escape pedal 5 to rotate under the action of the elastic push rod 10, so that the escape pedal 5 rotates towards the inner direction of a house with a steel structure until the push plate 9 moves to the press groove 202;

the outer side of the upper part of the escape pedal 5 is fixedly connected with a clamping plate 51, the push plate 9 is fixedly connected with a first steel wire rope 12, a second steel wire rope 13 is fixedly connected between the first steel wire rope 12 and the elastic pull rod 7, the push plate 9 pushes the escape pedal 5 to rotate, so that the second steel wire rope 13 pulls the elastic pull rod 7 and enables the fixed block 8 to leave the fixed groove 41, when the push plate 9 moves to the pressure groove 202, the second steel wire rope 13 pulls the elastic pull rod 7 to bend, so that the fixed block 8 completely leaves the fixed groove 41, so that the rotating plate 4 and the escape pedal 5 are separated from each other and fixed, the escape pedal 5 slides downwards along the push plate 9 in an inclined manner under the action of gravity, when the rotating plate 4 is separated from the escape pedal 5, the gravity center of the escape pedal 5 is positioned below the extrusion part of the escape pedal 5 and the push plate 9, and the gravity center of the escape pedal 5 is positioned at one side of the inner part of a steel structure house, so that the escape pedal 5 smoothly leans against the push plate 9 to slide downwards in an inclined manner, until the joint of the clamping plate 51 and the escape pedal 5 is clamped on the push plate 9, the escape pedal 5 stops sliding and is clamped on the push plate 9, meanwhile, the escape pedal 5 downwards extrudes the push plate 9, so that the push plate 9 falls into the pressing groove 202, thereby the push plate 9 and the escape pedal 5 are kept fixed, the stability of the escape pedal 5 is improved, the personnel can be prevented from shaking when walking on the escape pedal 5, so that the personnel can leave a fire scene at a higher speed, the escape pedal 5 is obliquely fallen between the escape through groove 201 and the interior of the steel structure house, the escape pedal 5 forms a connecting path between the interior of the steel structure house and the escape through groove 201, the personnel can quickly leave the steel structure house through the escape pedal 5 and the escape through groove 201, the high temperature generated by fire can be avoided, the steel structure assembled house and a door are staggered, the door is difficult to open, and the potential safety hazard that the personnel can not be got, meanwhile, the efficiency of people evacuating from the fire scene is improved; and

a control circuit, the control circuit comprises a power supply 15, a sliding electric plate 17, a first fixed electric plate 18, a warning lamp 19, a second fixed electric plate 20 and an indicator lamp 21 which are connected through a lead 16, the sliding electric plate 17 is connected with the first fixed electric plate 18 to enable the warning lamp 19 to work, when the warning lamp 19 works, the warning lamp 19 emits light to warn the person in the steel structure house that the escape pedal 5 works to prompt the person to approach and keep a certain distance to the escape pedal 5 to avoid being injured by the moving escape pedal 5, the sliding electric plate 17 is connected with the second fixed electric plate 20 to enable the indicator lamp 21 to work, when the indicator lamp 21 works, the indicator lamp 21 emits light to prompt the person in the steel structure house that the escape pedal 5 is ready and the person is ready to go onto the escape pedal 5 and leave the fire scene through the escape pedal 5 and the escape through groove 201, the warning lamp 19 and the indicating lamp 21 are fixedly arranged on the inner side of the escape pedal 5, namely on the upper side of the escape pedal 5 after the escape pedal 5 falls off in an inclined manner, so that the light emitted by the warning lamp 19 and the light emitted by the indicating lamp 21 can be seen more easily by people, the warning lamp 19 and the light emitted by the indicating lamp 21 can penetrate through dense smoke, and the people can find the escape through groove 201 in time and evacuate;

the sliding electric plate 17 is fixedly connected with the first steel wire rope 12 through a third steel wire rope 14, the push plate 9 pushes the escape pedal 5 to rotate, so that the third steel wire rope 14 drives the sliding electric plate 17 to be connected with the first fixed electric plate 18, in the process of the rotation work of the escape pedal 5, the sliding electric plate 17 is connected with the first fixed electric plate 18 and enables the warning lamp 19 to work, the sliding electric plate 17 is fixedly connected with an elastic block 22, the elastic block 22 drives the sliding electric plate 17 to be connected with the second fixed electric plate 20 without external force, when fire does not occur, the first steel wire rope 12 pulls the sliding electric plate 17 through the third steel wire rope 14 to be disconnected with any one of the first fixed electric plate 18 and the second fixed electric plate 20, meanwhile, the elastic block 18 generates elastic deformation under the action of the sliding electric plate 17, when the escape pedal 5 rotates, the first steel wire rope 12 pulls the sliding electric plate 17 through the third steel wire rope 14 to be connected with the first fixed electric plate 18, so that warning light 19 works, when footboard 5 card of fleing was on push pedal 9, footboard 5 and push pedal 9 of fleing were close to each other for first wire rope 12 loses the pulling force, and elasticity piece 22 resets and drives slip electricity board 17 and the fixed electricity board 20 connection that connects of second in no exogenic action, makes pilot lamp 21 work.

As an example: an extending groove 52 is formed in the upper portion of the escape pedal 5, the first steel wire rope 12 movably penetrates through the clamping plate 51 and extends into the extending groove 52, the extending groove 52 is communicated with the through groove 61 through a connecting groove 62, one end, extending into the extending groove 52, of the second steel wire rope 13 is fixedly connected with the first steel wire rope 12, the second steel wire rope 13 movably penetrates through the connecting groove 62 and is fixedly connected with the elastic pull rod 7, when the push plate 9 pushes the escape pedal 5 to rotate, the first steel wire rope 12 pulls the second steel wire rope 13 to move towards a direction far away from the elastic pull rod 7, the elastic pull rod 7 bends and drives the fixing block 8 to move towards a direction far away from the fixing groove 41, until the push plate 9 moves to the pressing groove 202, the fixing block 8 completely leaves the fixing groove 41, so that the escape pedal 5 and the rotating plate 4 are separated from each other and the escape pedal 5 slides downwards along the push plate 9 in an inclined mode under the action of gravity;

a circuit groove 53 for containing a control circuit is arranged in the escape pedal 5, the circuit groove 53 is positioned below the extending groove 52 and communicated with the extending groove 52, the third steel wire rope 14 and one end of the first steel wire rope 12 extending into the extending groove 52 are fixedly connected, one end of the third steel wire rope 14 movably extending into the circuit groove 53 is fixedly connected with the sliding electric connection plate 17, the first fixed electric connection plate 18 and the second fixed electric connection plate 20 are fixedly connected on the same side wall of the circuit groove 53, the first fixed electric connection plate 18 is positioned above the second fixed electric connection plate 20, the elastic block 22 is fixedly connected between the sliding electric connection plate 17 and the bottom wall of the circuit groove 53, the sliding electric connection plate 17 is positioned between the first fixed electric connection plate 18 and the second fixed electric connection plate 20 in an initial state, the elastic block 22 is stretched under the pulling of the sliding electric connection plate 17 and the third steel wire rope 14, when the escape pedal 9 pushes the escape pedal 5 to rotate, the first steel wire rope 12 pulls the third steel wire rope 14 to move towards the direction close to the first fixed electric connection plate 18, make slip connection electroplax 17 and first fixed connection electroplax 18 connect, warning light 19 work, when the footboard 5 of fleing falls and the card when pushing plate 9, the distance shortens greatly between cardboard 51 and the pushing plate 9, and first wire rope 12 loses the pulling force, and elasticity piece 22 resets and drives slip connection electroplax 17 and the connection of second fixed connection electroplax 20 when there is not exogenic action for pilot lamp 21 work.

Specifically, the rotating plate 4 is provided with a slot 42 for the insertion block 6 to be movably inserted, the slot 42 is connected with the fixing slot 41, and the insertion block 6 movably extends into the rotating plate 4 through the slot 42.

Preferably, a push groove 43 is connected above the slot 42, an elastic push block 26 is fixedly connected to the upper inner wall of the push groove 43, the elastic push block 26 is compressed under the extrusion of the insert block 6, and when the fixed block 8 and the fixed groove 41 are separated from being fixed, the elastic push block 26 pushes the insert block 6 to leave the rotating plate 4 along the downward sliding direction of the escape pedal 5, so that the downward sliding time of the escape pedal 5 is shortened, and the time for people to evacuate from the fire scene is shortened.

Specifically, the groove 201 diapire that flees is connected with the fixed subassembly groove 203 that holds fixed subassembly, fixed subassembly is by fixed connection's electro-magnet 23 in proper order, elasticity post 24 and magnetism fixture block 25 are constituteed, draw-in groove 54 has been seted up to footboard 5 lower part of fleing, and magnetism fixture block 25 activity stretches out fixed subassembly groove 203 and stretches into in the draw-in groove 54, electro-magnet 23 attracts magnetism fixture block 25 to leave draw-in groove 54 at fire alarm 3 during operation, when not having a fire, magnetism fixture block 25 card is at footboard 5 of fleing, make footboard 5 of fleing keep fixed, when the conflagration breaks out, magnetism fixture block 25 leaves draw-in groove 54 under the effect of electro-magnet 23, make footboard 5 of fleing break away from fixedly and rotate under push pedal 9 promotes.

Specifically, the upper inner wall of the escape through groove 201 is fixedly connected with a fixed plate 27, and the fixed plate 27 and the rotating plate 4 are rotatably connected through a rotating shaft 28.

Preferably, the warning lamp 19 works to emit red light, the indicating lamp 21 works to emit green light, the warning lamp 19 which emits red light is used for warning people in the steel structure house that the escape pedal 5 works, the warning people are close to the escape pedal 5 and keep a certain distance to avoid being damaged by the moving escape pedal 5, the indicating lamp 21 which emits green light is used for warning people in the steel structure house that the escape pedal 5 is ready, and the warning people go onto the escape pedal 5 and leave a fire scene through the escape pedal 5 and the escape through groove 201.

The working principle is as follows: when a fire disaster occurs, the fixing component leaves the escape pedal 5, so that the escape pedal 5 is separated from the fixing, the push plate 9 pushes the escape pedal 5 to rotate under the action of the elastic push rod 10, so that the escape pedal 5 rotates towards the direction close to the interior of the steel structure house until the push plate 9 moves to the pressure groove 202;

in the process of rotating the escape pedal 5 to work, the first steel wire rope 12 pulls the sliding electric plate 17 through the third steel wire rope 14 to be connected with the first fixed electric plate 18, so that the warning lamp 19 works;

when the push plate 9 moves to the pressing groove 202, the second steel wire rope 13 pulls the elastic pull rod 7 to bend, so that the fixing block 8 completely leaves the fixing groove 41, the rotating plate 4 and the escape pedal 5 are separated from the fixing groove, the escape pedal 5 obliquely and downwards slides along the push plate 9 under the action of gravity until the joint of the clamping plate 51 and the escape pedal 5 is clamped on the push plate 9, the escape pedal 5 stops sliding and is clamped on the push plate 9, meanwhile, the escape pedal 5 downwards extrudes the push plate 9, the push plate 9 falls into the pressing groove 202, the push plate 9 and the escape pedal 5 are kept fixed, the escape pedal 5 obliquely falls between the escape through groove 201 and the interior of the steel structure house, and the escape pedal 5 forms a connecting path connecting the interior of the steel structure house and the escape through groove 201;

when the escape pedal 5 is clamped on the push plate 9, the escape pedal 5 and the push plate 9 are close to each other, so that the first steel wire rope 12 loses tension, the elastic block 22 resets when no external force is exerted and drives the sliding electric plate 17 to be connected with the second fixed electric plate 20, and the indicator light 21 works.

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.