CN106964085B

CN106964085B - Fire retardant extrusion mechanism of fire-retardant escape device

Info

Publication number: CN106964085B
Application number: CN201710383942.6A
Authority: CN
Inventors: 赵国海
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-26
Filing date: 2017-05-26
Publication date: 2022-05-31
Anticipated expiration: 2037-05-26
Also published as: CN106964085A

Abstract

The invention relates to the technical field of fire escape devices, in particular to a fire retardant extrusion mechanism of a fire retardant escape device, which comprises a pressurizing button, a nozzle and a pressurizing output mechanism, wherein all the components are arranged in an arc-shaped plate-shaped shell, the pressurizing button is arranged on the shell, a foldable nozzle is arranged on the pressurizing button, a fire retardant cavity is arranged in the shell, the pressurizing output mechanism is arranged at the lower side of the pressurizing button, the pressurizing output mechanism applies force to pressurize through the pressurizing button, and the fire retardant in the fire retardant cavity is sprayed out through the nozzle under the action of the pressurizing output mechanism. The invention sprays fire retardant to prevent flame from spreading to human body when fire occurs, thereby facilitating people to escape from fire hazard and effectively reducing casualties.

Description

Fire retardant extrusion mechanism of fire-retardant escape device

Technical Field

The invention relates to the technical field of fire escape devices, in particular to a fire retardant extrusion mechanism of a fire retardant escape device.

Background

In daily life, people often keep in a relatively closed space, such as in an automobile, an office and the like, once a fire disaster occurs, people are difficult to obtain external rescue in time due to the relatively closed space and the rapid spread of the fire disaster, and people are difficult to realize self rescue and escape from the fire disaster danger in time due to the fact that suitable escape tools are often lacked in the occasions, so that huge casualties are extremely easy to cause.

Disclosure of Invention

The invention aims to provide a fire retardant extrusion mechanism of a fire retardant escape device, which is used for extruding a fire retardant when a fire occurs to prevent a fire from spreading and burning human bodies, is convenient for people to escape and escape from the fire hazard, and effectively reduces casualties.

The purpose of the invention is realized by the following technical scheme:

a fire retardant extrusion mechanism of a fire retardant escape device comprises a pressurizing button, a nozzle and a pressurizing output mechanism, wherein all the parts are arranged in an arc-plate-shaped shell, the pressurizing button is arranged on the shell, the pressurizing button is provided with the foldable nozzle, a fire retardant cavity is arranged in the shell, the pressurizing output mechanism is arranged on the lower side of the pressurizing button, the pressurizing output mechanism applies force to pressurize through the pressurizing button, and fire retardant in the fire retardant cavity is pressurized through the pressurizing output mechanism and sprayed out through the nozzle.

The pressurization output mechanism comprises a conduit, a piston part, a stop valve, a spring, a ball valve and a middle column, wherein the piston part is arranged in the stop valve, the spring and the ball valve are arranged in the middle column, the lower side of the pressurization button is connected with the conduit, the pressurization button and the nozzle are sequentially communicated, the lower end of the conduit is sleeved on the piston part, a plurality of rib plates are arranged on the rod part of the piston part, the lower part of the piston part is provided with a lower head part arranged outside the stop valve, the lower head part is abutted against the upper end of the spring, the lower end of the spring is abutted against the ball valve, the ball valve is abutted against the lower port of the middle column, and the lower end of the middle column is communicated with the flame retardant cavity through a pipeline.

The pressurizing output mechanism further comprises a gland and a fixed cover, the upper end of the middle column penetrates through the upper wall of the shell and then is fixed through the gland, a threaded head is arranged on the upper side of the shell, the gland is arranged in the threaded head, the fixed cover is in external threaded connection with the threaded head, and the gland is fixed through the fixed cover.

The middle parts of the fixed cover, the gland and the middle column form a through cavity, and the guide pipe, the piston piece, the spring and the ball valve are sequentially arranged in the cavity from top to bottom.

The fixed cover is provided with a guide groove, the lower side of the pressurizing button is provided with a guide insertion wall, and the guide insertion wall slides in the guide groove.

The pressurizing device is characterized in that an extrusion pipe is arranged on the lower side of the pressurizing button, the extrusion pipe is fixedly connected with the upper end of the guide pipe, a through hole is formed in the guide pipe, an extrusion channel is arranged in the extrusion pipe, a spraying channel is arranged in the nozzle, and the through hole, the extrusion channel and the spraying channel are communicated in sequence.

The casing upper end is equipped with a bullet post firing mechanism, bullet post firing mechanism touches piece and bullet post including launching seat, transmission spring, driving motor, top push hinge piece, unhook, wherein the top push hinge piece passes through driving motor drive and removes, launch the seat and pass through top push hinge piece promotes compression transmission spring, just top push hinge piece free end arc terminal surface touches the piece free end arc terminal surface with the unhook and offsets the back, top push hinge piece lapse with launch the seat and break away from, the bullet post passes through at this moment launch the seat drive and jet out casing one side is equipped with the control driving motor opens the transmission draw knob that stops be equipped with in the casing and be done the battery of driving motor power supply.

The transmission slide button is characterized in that a guide seat is arranged on the lower side of the transmission slide button, a trigger sensor is arranged below the guide seat, the transmission slide button is fixedly connected with a slide bar, the slide bar slides along the guide seat, and when the lower end of the slide bar enters the sensing range of the trigger sensor, the trigger sensor sends a signal to the driving motor.

The battery is connected with the first wire, the driving motor is connected with the second wire, a gap is reserved between the first wire and the second wire, a conducting strip is arranged on the inner side of the launching slide button, the conducting strip moves downwards along with the sliding rod, and the lower end of the conducting strip is inserted into the gap between the first wire and the second wire, the battery is communicated with the driving motor, a circuit between the battery and the driving motor firstly passes through the conducting strip, and then the lower end of the sliding rod and the trigger sensor sense and send out a signal for starting the driving motor.

The upper side of the shell is provided with a sliding cavity, a glass cutter is arranged in the sliding cavity, a push block is arranged on the glass cutter, the upper wall of the sliding cavity is provided with a sliding chute, and the push block slides in the sliding chute.

The invention has the advantages and positive effects that:

1. the fire retardant cavity is arranged in the shell, and the fire retardant is sprayed out before the bullet column is launched to prevent fire from spreading to a human body, so that casualties are further reduced.

2. The shell is internally provided with the bullet column launching mechanism and the glass cutter, and after the flame retardant is sprayed, cutting lines can be firstly marked on the glass through the glass cutter, and then the bullet column is launched to impact the broken glass, so that people can escape conveniently and break away from fire hazards, and casualties are effectively reduced.

3. The shell is arc-shaped plate-shaped, and the arc is matched with the curve of the back of a human body, so that the automobile backrest can be placed on a seat backrest or a backrest in an automobile or an office, and the automobile backrest does not occupy much space.

Drawings

Figure 1 is a schematic view of the present invention,

figure 2 is an exploded view of the conduit, piston member and shut-off valve of figure 1,

figure 3 is a schematic view of the installation position of the invention,

figure 4 is a schematic view of the shot column firing mechanism of figure 3,

figure 5 is an enlarged view at a in figure 4,

figure 6 is a schematic diagram showing the moving process of the conductive sheet of figure 5,

FIG. 7 is a diagram illustrating a moving process of the conductive sheet of FIG. 5,

figure 8 is a schematic view of the glass cutter of figure 3,

figure 9 is a front view of the housing of figure 3,

fig. 10 is a top view of the housing of fig. 9.

Wherein, 1 is a pressure button, 2 is a launch spring, 3 is a unhooking collision block, 4 is an ejection seat, 41 is a seat wall, 5 is an ejection hinge block, 51 is a bump, 6 is a baffle, 7 is an ejection column, 8 is a glass cutter, 81 is a push block, 82 is a slide cavity, 9 is a ballistic cavity, 10 is a launch slide button, 11 is an ejection spring, 12 is a conductive sheet, 121 is a lower baffle, 122 is an upper baffle, 13 is a storage battery, 131 is a first lead, 14 is a driving motor, 141 is a second lead, 15 is a lead screw, 16 is a nut, 17 is a flame retardant cavity, 18 is a vertical plate, 19 is a guide seat, 20 is a return spring, 21 is a slide rod, 22 is a trigger sensor, 23 is a nozzle, 231 is an injection channel, 24 is an installation door, 25 is an extrusion tube, 26 is a piston tube, 27 is a piston piece, 271 is a lower head, 272 is a ribbed plate, 28 is a stop valve, 29 is a spring, 30 is a ball valve, 31 is a gland, 32 is a guide groove, 33 is a guide inserting wall, 34 is a fixed cover, 35 is a thread head, and 36 is a middle column.

Detailed Description

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

As shown in fig. 1 to 10, the present invention includes a housing, a pressurizing button 1, a nozzle 23 and a pressurizing output mechanism, wherein a fire retardant cavity 17 is provided in the housing, the pressurizing button 1 and the nozzle 23 are provided on the housing, and when a person applies force to the pressurizing button 1, the pressurizing output mechanism acts to extrude the fire retardant in the fire retardant cavity 17 through the nozzle 23 to perform a fire retardant function, so as to prevent the spread of fire. In addition, the shell is internally provided with a bullet column launching mechanism and a glass cutter 8, and after the flame retardant is sprayed, cutting lines can be firstly marked on the glass through the glass cutter, and then the bullet column is launched to impact the broken glass, so that people can escape conveniently and break away from the fire hazard, and casualties are effectively reduced.

As shown in fig. 1 and 9, a foldable nozzle 23 is provided on the pressurizing button 1, and when the nozzle 23 is folded, the outer surface of the nozzle 23 is smoothly engaged with the surface of the housing, thereby ensuring the aesthetic appearance of the device and preventing the flame retardant from being accidentally extruded from the nozzle 23.

As shown in fig. 1-2, the pressurizing output mechanism is disposed under the pressurizing button 1, and includes a conduit 26, a piston member 27, a stop valve 28, a spring 29, a ball valve 30, a middle column 36, a gland 31 and a fixed cover 34, wherein one end of the middle column 36 is communicated with the flame retardant chamber 17 in the housing, the other end of the middle column is fixed by the gland 31 after passing through the upper wall of the housing, a screw head 35 is disposed on the upper side of the housing, the gland 31 is disposed in the screw head 35, the fixed cover 34 is in external screw connection with the screw head 35 and fixes the gland 31, a through cavity is formed at the middle portions of the fixed cover 34, the gland 31 and the middle column 36, the conduit 26, the piston member 27, the spring 29 and the ball valve 30 are sequentially disposed in the cavity from top to bottom, an extruding pipe 25 is disposed under the pressurizing button 1, the extrusion pipe 25 extends into the upper end of the cavity and is fixedly connected with the upper end of the conduit 26, a through hole is arranged in the conduit 26, an extrusion channel is arranged in the extrusion pipe 25, a spraying channel 231 is arranged in the nozzle 23, the through hole, the extrusion channel and the spraying channel 231 are sequentially communicated, the piston member 27 is arranged in the stop valve 28, the upper end of the piston member 27 is inserted into the through hole of the conduit 26, as shown in fig. 10, a plurality of ribbed plates 272 are arranged at the rod part of the piston member 27, the plurality of ribbed plates 272 are uniformly distributed along the circumferential direction when viewed along the axial direction of the piston member 27, a lower head part 271 is arranged at the lower end of the piston member 27, the lower head part 271 is arranged outside the stop valve 28 and is abutted against the upper end of the spring 29, the lower end of the spring 29 is abutted against the ball valve 30, and the spring and the ball valve 30 are both arranged in the middle column 36, the ball valve 30 is abutted against the lower port of the middle column 36, and the lower end of the middle column 36 is communicated with the fire retardant cavity 17 through a pipeline.

As shown in fig. 1-2, when the present invention is operated, the pressurizing button 1 is pressed, the pressurizing button 1 presses the piston member 27 through the conduit 26, so that the lower head 271 of the piston member 27 is separated from the stop valve 28, the fire retardant in the middle column 36 enters between the ribs 272 of the piston member 27 from the gap between the lower head 271 and the stop valve 28, and is extruded out through the conduit 26, the extruding pipe 25 and the nozzle 23 in sequence, at this time, the fire retardant in the middle column 36 does not flow back because the ball valve 30 is pressed to block the lower port of the middle column 36, after the pressurizing button 1 is released, the piston member 27 together with the conduit 26 and the pressurizing button 1 is jacked up under the action of the spring 29, at this time, the lower head 271 of the piston member 27 blocks the stop valve 28, and at the same time, the pressure is reduced because the fire retardant in the middle column 36 is squeezed, the ball valve 30 is jacked up by the fire retardant in the fire retardant chamber 17, the fire retardant enters the center post 36 and waits for the next extrusion.

In order to ensure the pressing direction of the pressurizing button 1, a guide groove 32 is provided on the fixing cover 34, and a guide insertion wall 33 is provided on the lower side of the pressurizing button 1, and the guide insertion wall 33 is inserted into the guide groove 32 and always slides in the guide groove 32.

As shown in fig. 3-10, the upper end of the housing is provided with a bullet column launching mechanism, the bullet column launching mechanism comprises an ejection seat 4, a launching spring 2, a driving motor 14, a pushing hinge block 5, a unhooking collision block 3 and a bullet column 7, a ballistic cavity 9 is arranged inside the upper end of the housing, the ejection seat 4 and the launching spring 2 are arranged at the inner end of the ballistic cavity 9, the ejection seat 4 is slidably arranged in the ballistic cavity 9, one end of the launching spring 2 is fixedly connected with the inner end wall of the ballistic cavity 9, the other end of the launching spring is fixedly connected with the ejection seat 4, as shown in fig. 3-4, a groove is arranged at the rear end of the ejection seat 4, the launching spring 2 extends into the groove and is fixedly connected with the inner end surface of the groove, a driving cavity is arranged at the lower side of the ballistic cavity 9, the driving motor 14 is arranged in the driving cavity, a movable pushing hinge block 5 and a fixed unhooking collision block 3 are arranged between the driving cavity and the ballistic cavity 9, the pushing hinge block 5 is provided with a convex block 51, when the mechanism does not launch the ejection column 7, the front end of the ejection seat 4 abuts against the convex block 51, the pushing hinge block 5 is hinged on a vertical plate 18, when the mechanism works, the driving motor 14 drives the vertical plate 18 to move, so that the pushing hinge block 5 is driven to move backwards, the ejection seat 4 is pushed to compress the ejection spring 2, and the seat wall 41 of the ejection seat 4 always slides along the upper surface of the unhooking collision block 3.

As shown in fig. 3 to 4, the driving motor 14 is fixedly connected with a screw rod 15, a nut 16 is sleeved on the screw rod 15, the vertical plate 18 is installed on the nut 16, and the screw rod 15 is driven to rotate by the driving motor 14 to drive the nut 16 to move. In this embodiment, the driving motor 14 is a variable frequency brushless dc motor, and as shown in fig. 3 to 4, a battery chamber is provided in the housing on the side away from the pressurizing button 1, and a battery 13 for supplying power to the driving motor 14 is provided in the battery chamber.

As shown in fig. 3-4, the front end of the driving cavity is provided with a bullet column bin, the bullet columns 7 are arranged in the bullet column bin in a single row along the vertical direction, an ejection push plate is arranged below the bottom bullet column 7, and the lower side of the ejection push plate is fixedly connected with the bottom surface of the bullet column bin through an ejection spring 11. A baffle 6 is arranged on one side of the vertical plate 18 far away from the pushing hinge block 5, when the vertical plate 18 does not move, the baffle 6 blocks the outlet of the bullet column bin to prevent the bullet columns 7 from emerging, when the pushing hinge block 5 pushes the ejection seat 4 to move backwards to compress the ejection spring 2, the baffle 6 also leaves the outlet of the bullet column bin, as shown in fig. 2, at the moment, one bullet column 7 is ejected out of the bullet column bin outlet under the action of the ejection spring 11 and is placed in the ballistic cavity 9 to wait for the ejection seat 4 to eject for ejection.

As shown in fig. 4, the pushing hinge block 5 is hinged to the vertical plate 18, a torsion spring is arranged on a hinge shaft, both the free end of the pushing hinge block 5 and the free end of the unhooking collision block 3 are provided with arc surfaces, when the free end of the pushing hinge block 5 is in abutting contact with the free end of the unhooking collision block 3, the free end of the pushing hinge block 5 slides downwards along the arc surfaces, so that the bump 51 slides downwards and does not block the ejection seat 4, and at this time, the ejection seat 4 ejects under the action of the launching spring 2 and pushes the ejection column 7 arranged in the ballistic cavity 9 to launch.

As shown in fig. 5 to 7, a launching slide button 10 is disposed on one side of the housing, a sliding slot is disposed on the housing along a vertical direction, the launching slide button 10 slides up and down on the sliding slot, a trigger sensor 22 is disposed on a bottom surface of the sliding slot, a columnar guide seat 19 is disposed in the sliding slot along the vertical direction, a lower side of the launching slide button 10 is fixedly connected with a slide rod 21, the slide rod 21 is disposed in the guide seat 19 and slides along the guide seat 19, a return spring 20 is disposed between the launching slide button 10 and the guide seat 19, the return spring 20 is sleeved on the slide rod 21, when the mechanism works, an operator slides the launching slide button 10 downwards, the launching slide button 10 pushes the slide rod 21 to move downwards, when a lower end of the slide rod 21 enters a sensing range of the trigger sensor 22, the trigger sensor 22 sends a signal to the driving motor 14, the driving motor 14 is started to drive the pushing hinge block 5 to move backwards. In this embodiment, the trigger sensor 22 is a hall sensor, and a magnetic stripe for triggering the hall sensor to send a signal is disposed at the lower end of the sliding rod 21.

As shown in fig. 3 to 4, a battery cavity is provided at a lower side of the bullet column magazine in the casing, a battery 13 for supplying power to the driving motor 14 is provided in the battery cavity, as shown in fig. 5 to 7, the battery 13 is connected to the first lead 131, the driving motor 14 is connected to the second lead 141, a gap is left between the first lead 131 and the second lead 141, a conductive plate 12 is provided at an inner side of the launch slider 10, when the slide bar 21 moves downward, the conductive plate 12 is driven to move downward and is inserted into the gap between the first lead 131 and the second lead 141, so that a line connection between the battery 13 and the driving motor 14 is realized, and the battery 13 supplies power to the driving motor 14 is realized.

As shown in fig. 5 to 7, an upper blocking piece 122 and a lower blocking piece 121 are disposed on the inner side of the launching slide button 10, a nut is disposed on the upper end of the conductive plate 12 and is disposed on the lower blocking piece 121, in the sliding process of the launching slide button 10, the conductive plate 12 first contacts to the bottom to realize the line connection between the battery 13 and the driving motor 14, and then continues to slide the launching slide button 10 downward, so that the head end of the sliding rod 21 extends out of the guide seat 19 to start the driving motor 14 by the induction of the trigger sensor 22, and at this time, the conductive plate 12 moves upward relative to the launching slide button 10 and is limited by the upper blocking piece 122, so as to ensure the line connection between the battery 13 and the driving motor 14. After the launching is finished, the launching slide button 10 is slid upwards to separate the lower end of the slide rod 21 from the sensing area of the trigger sensor 22, but at the same time, the conductive sheet 12 is still connected with the first lead 131 and the second lead 141, at this time, the driving motor 14 rotates reversely to drive the vertical plate 18 to move forwards, so that the baffle 6 on one side of the vertical plate 18 blocks the cartridge magazine again and presses the cartridge 7 in the magazine, at the same time, as shown in fig. 2, the bump 51 on the pushing hinge block 5 slides along the base wall 41 of the launching base 4 until the pushing hinge block moves to the front end of the launching base 4, the pushing hinge block 5 automatically lifts under the action of the torsion spring on the hinge shaft, so that the bump 51 blocks the launching base 4 again, in order to ensure smooth resetting, a convex arc fixture block can be arranged at a corresponding position, the launching slide button 10 can be clamped by the convex arc fixture block at the position, and the force application of a person can be ensured to further continuously push the launching slide button 10 to be separated from the convex arc fixture block to continuously move upwards, after each mechanism in the shell is reset, the person applies force to push the launching slide button 10 to be separated from the convex arc fixture block, the launching slide button 10 automatically rises under the action of the reset spring 20, the conducting strip 12 is completely separated from the first conducting wire 131 and the second conducting wire 141, the connection between the storage battery 13 and the driving motor 14 is broken, and the driving motor 14 stops moving at the moment, and in addition, the mechanism can be always in a power-off state when the device is not used, so that accidents are prevented.

As shown in fig. 3-4 and fig. 8, the upper side of the housing is far away from the pressurizing button 1, one end of the pressurizing button is provided with a sliding cavity 82, a glass cutter 8 is arranged in the sliding cavity 82, a pushing block 81 is arranged on the glass cutter 8, the upper wall of the sliding cavity 82 is provided with a sliding chute, the pushing block 81 is always arranged in the sliding chute, at ordinary times, the glass cutter 8 is completely retracted into the sliding cavity 82 to prevent hurting people, and an operator pushes the pushing block 81 to stretch out the glass cutter 8 when in use, so that the sliding cavity 82 can slide and cut glass. The glass cutter 8 can be made of materials such as diamond.

As shown in fig. 9 to 10, the housing is in the shape of an arc plate, and the arc shape is matched with the curve of the back of a human body, so that the housing can be placed on a seat backrest or in a backrest in an automobile or an office without occupying too much space. In addition, as shown in fig. 9, an ejection door 24 is provided on the housing corresponding to the position of the bullet column bin, and the filling of the bullet column 7 can be realized by opening the ejection door 24.

The working principle of the invention is as follows:

the shell of the invention is in the shape of an arc plate, and the arc is in accordance with the curve of the back of a human body, so that the shell of the invention can be arranged on a seat backrest or in a backrest in an automobile or an office, and does not occupy much space. When a fire disaster happens, the pressurizing button 1 is pressed, the flame retardant is sprayed out from the nozzle 23 to retard flame, the flame is prevented from spreading to a human body, then the glass cutter 8 is pushed out to cut the glass, the outlet of the ballistic cavity 9 faces the glass cut, the launching slide button 10 is moved downwards to launch the bullet column 7 to impact the glass, the glass is broken, and people can conveniently and timely sleeve the glass.

Claims

1. The utility model provides a fire retardant extrusion mechanism of fire-retardant escape device which characterized in that: the flame retardant spraying device comprises a pressurizing button (1), a nozzle (23) and a pressurizing output mechanism, wherein the pressurizing output mechanism is arranged in an arc-shaped plate-shaped shell, the pressurizing button (1) is arranged on the shell, the foldable nozzle (23) is arranged on the pressurizing button (1), a flame retardant cavity (17) is arranged in the shell, the pressurizing output mechanism is arranged at the lower side of the pressurizing button (1), the pressurizing output mechanism applies force and pressurizes through the pressurizing button (1), and the flame retardant in the flame retardant cavity (17) is pressurized through the pressurizing output mechanism and sprayed out through the nozzle (23);

the upper end of the shell is provided with a bullet column launching mechanism which comprises a launching seat (4), a launching spring (2), a driving motor (14), a pushing hinge block (5), a unhooking collision block (3) and a bullet column (7), wherein the pushing hinge block (5) is driven to move by a driving motor (14), the ejection seat (4) pushes the compression launching spring (2) by the pushing hinge block (5), and after the arc-shaped end surface of the free end of the pushing hinge block (5) is abutted against the arc-shaped end surface of the free end of the unhooking collision block (3), the pushing hinge block (5) slides downwards to be separated from the ejection seat (4), at the moment, the ejection column (7) is driven by the ejection seat (4) to eject, a launching slide button (10) for controlling the start and stop of the driving motor (14) is arranged on one side of the shell, a storage battery (13) for supplying power to the driving motor (14) is arranged in the shell;

the improved glass cutting machine is characterized in that a sliding cavity (82) is formed in the upper side of the shell, a glass cutting knife (8) is arranged in the sliding cavity (82), a pushing block (81) is arranged on the glass cutting knife (8), a sliding groove is formed in the upper wall of the sliding cavity (82), and the pushing block (81) slides in the sliding groove.

2. The fire retardant extrusion mechanism of the fire retardant escape device according to claim 1, wherein: the pressurization output mechanism comprises a conduit (26), a piston piece (27), a stop valve (28), a spring (29), a ball valve (30) and a middle column (36), wherein the piston piece (27) is arranged in the stop valve (28), the spring (29) and the ball valve (30) are arranged in the middle column (36), the lower side of the pressurization button (1) is connected with the conduit (26), the pressurization button (1) and the nozzle (23) are sequentially communicated, the lower end of the conduit (26) is sleeved on the piston piece (27), a plurality of rib plates (272) are arranged on the rod part of the piston piece (27), a lower head part (271) arranged outside the stop valve (28) is arranged on the lower part of the piston piece (27), the lower head part (271) is abutted against the upper end of the spring (29), the lower end of the spring (29) is abutted against the ball valve (30), the ball valve (30) is abutted against the lower port of the middle column (36), and the lower end of the middle column (36) is communicated with the flame retardant cavity (17) through a pipeline.

3. The fire retardant extrusion mechanism of the fire retardant escape device of claim 2, wherein: the pressurizing output mechanism further comprises a pressing cover (31) and a fixed cover (34), the upper end of the middle column (36) penetrates through the upper wall of the shell and then passes through the pressing cover (31) to be fixed, a threaded head (35) is arranged on the upper side of the shell, the pressing cover (31) is arranged in the threaded head (35), the fixed cover (34) is in external threaded connection with the threaded head (35), and the pressing cover (31) is fixed through the fixed cover (34).

4. The fire retardant extrusion mechanism of the fire retardant escape device of claim 3, wherein: the middle parts of the fixed cover (34), the gland (31) and the middle column (36) form a through cavity, and the guide pipe (26), the piston piece (27), the spring (29) and the ball valve (30) are sequentially arranged in the cavity from top to bottom.

5. The fire retardant extrusion mechanism of the fire retardant escape device according to claim 3 or 4, wherein: the fixed cover (34) is provided with a guide groove (32), the lower side of the pressurizing button (1) is provided with a guide insertion wall (33), and the guide insertion wall (33) slides in the guide groove (32).

6. The fire retardant extrusion mechanism of the fire retardant escape device according to claim 2, wherein: the pressurization button (1) downside is equipped with one extrusion pipe (25), extrusion pipe (25) with pipe (26) upper end links firmly be equipped with the through-hole in pipe (26) be equipped with the passageway of extruding in extrusion pipe (25) be equipped with blowout passageway (231) in nozzle (23), through-hole, extrusion passageway and blowout passageway (231) communicate with each other in proper order.

7. The fire retardant extrusion mechanism of the fire retardant escape device according to claim 1, wherein: emission smooth button (10) downside is equipped with guide holder (19) below is equipped with trigger sensor (22), emission smooth button (10) link firmly with a slide bar (21), just slide bar (21) are along guide holder (19) slide, work as slide bar (21) lower extreme gets into when triggering sensor's (22) induction range, trigger sensor (22) signals give driving motor (14).

8. The fire retardant escape device fire retardant extrusion mechanism of claim 7, wherein: the storage battery (13) is connected with a first wire (131), the driving motor (14) is connected with a second wire (141), a gap is reserved between the first wire (131) and the second wire (141), a conducting strip (12) is arranged on the inner side of the emission sliding button (10), the conducting strip (12) moves downwards along with the sliding rod (21), the lower end of the conducting strip is inserted into the gap between the first wire (131) and the second wire (141), the storage battery (13) is communicated with the driving motor (14), a circuit between the storage battery (13) and the driving motor (14) firstly passes through the conducting strip (12) to be communicated, and then the lower end of the sliding rod (21) is inducted by the trigger sensor (22) to send a signal for starting the driving motor (14).