Fire-fighting escape track

Abstract

The invention discloses a fire-fighting escape track which comprises a main body of the escape track, the main body comprises a step for walking, a supporting strip is fixedly mounted on the outer side of the step, a plurality of groups of guardrails are fixedly mounted at the top of the supporting strip, and handrail plates are fixedly mounted at the tops of the guardrails. Heat insulation layers are fixedly installed outside the supporting strip, the multiple sets of guardrail rods and the handrail plate, inner cavities of the supporting strip, the multiple sets of guardrail rods and the handrail plate are communicated, a spray head is fixedly installed at the bottom of the supporting strip, and a driving assembly is arranged at the top of the handrail plate. And therefore, the cleanliness of the air is improved, the situation that escapers inhale a large amount of smoke to cause coma and death is avoided, meanwhile, cooling of the interior of the fire-fighting escape track is achieved, the situation that the temperature is too high and scalds the persons is avoided, and the overall safety degree is high.

Description

Technical Field

[0001] The invention relates to the technical field of fire escape, in particular to a fire escape track. Background Art

[0002] When a fire occurs on a floor, people cannot take the elevator to escape due to the safety hazard of power outage. In addition, the elevator's single passenger capacity is low, making it difficult for people in the entire building to escape in time. Therefore, the only option for escape is the fire escape track.

[0003] When people on the floor escape through the fire escape track, it is difficult to prevent the smoke caused by the fire from seeping into the fire escape track. Due to the high temperature of the smoke, when the escapees come into direct contact with the smoke, it will cause burns. Moreover, as the smoke gradually diffuses inside the fire escape track, the escapees will suffer from carbon monoxide poisoning due to inhaling too much smoke, and finally the escapees will die.

[0004] Therefore, we make improvements on this and propose a fire escape track. Summary of the invention

[0005] In view of the above problems or problems existing in the prior art, the present invention is proposed.

[0006] Therefore, an object of the present invention is to provide a fire escape track.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: comprising a main body of an escape track, the main body comprising a ladder for walking, a support bar is fixedly installed on the outer side of the ladder, a plurality of groups of guardrails are fixedly installed on the top of the support bar, and a handrail is fixedly installed on the top of the plurality of groups of guardrails; The support bar, several groups of guardrails, and the outside of the handrail board are all fixedly installed with a heat insulation layer, and the inner cavities of the support bar, several groups of guardrails, and the handrail board are all connected. A nozzle is fixedly installed at the bottom of the support bar, and a driving component is provided on the top of the handrail board; The driving assembly includes a telescopic member arranged in the inner cavity of a handrail plate and a guardrail rod, and a closing plug is arranged on the telescopic member, and the closing plug matches the inner cavity of the nozzle.

[0008] As a preferred solution of the fire escape track of the present invention, the nozzle includes a guide tube fixed in the inner cavity of the support bar, and the inner cavity of the guide tube is sleeved with one end of the closing plug, a telescopic tube is fixedly installed at one end of the guide tube, a liquid spraying nozzle is fixedly installed at one end of the telescopic tube, and a return spring is fixedly installed on the top of the nozzle.

[0009] As a preferred solution of the fire escape track of the present invention, the telescopic part includes a limiting tube fixed in the inner cavity of the guardrail rod, an assembling groove is provided at the bottom of the limiting tube, a screw rod is movably installed in the inner cavity of the assembling groove through a bearing, one end of the screw rod is threadedly connected with the telescopic rod, and the bottom of the telescopic rod is fixed to the top of the closing plug, a transmission rod is fixedly installed at the end of the screw rod where the bearing is installed, a merging groove is provided on the top surface of the handrail plate, a driving motor is fixedly installed in the inner cavity of the merging groove, and the output end of the driving motor is fixed to one end of the transmission rod, and a knob block is fixedly installed at one end of the transmission rod extending to the inner cavity of the merging groove.

[0010] As a preferred solution of the fire escape track of the present invention, wherein: a turning layer is fixedly installed at both ends of the ladder, and a fire blocking part is arranged at the bottom of the turning layer.

[0011] As a preferred solution of the fire escape track of the present invention, the fire blocking part includes a retaining frame fixed on the turning layer, a winding rod is movably installed on the inner wall of the retaining frame through a bearing, a fire curtain is fixedly installed in the middle of the winding rod, a fire sponge is fixedly installed on the outside of the fire curtain, a winding motor is fixedly installed in the inner cavity of the side wall of the retaining frame, and the output end of the winding motor is fixed to one end of the winding rod, a gear block is also fixedly installed on one end of the winding rod, and a chain rope is meshed in the middle of the gear block.

[0012] As a preferred solution of the fire escape track of the present invention, wherein: an exhaust assembly is arranged on the top of the handrail board, and a ventilation assembly is arranged on the side wall of the handrail board.

[0013] As a preferred solution of the fire escape track of the present invention, wherein: the exhaust assembly includes a retaining box fixed on the top of the handrail board, the inner cavity of the retaining box is connected to the output rod through a bearing transmission, the middle part of the output rod is fixedly installed with a fan impeller, the outside of the output rod is provided with an output member, the surface of the handrail board is also provided with a driving member, the surface of the retaining box is provided with an air intake port, the surface of the retaining box facing the inner cavity of the handrail board is provided with an exhaust port, and the bottom of the exhaust port is fixedly installed with an air guide pipe extending to the inner cavity of the support bar.

[0014] As a preferred solution of the fire escape track of the present invention, the output member includes a first gear fixed to one end of the output rod, a transmission belt is meshed on the outside of the first gear, a second gear is meshed on one end of the transmission belt, and the second gear matches the outside of the driving member.

[0015] As a preferred solution of the fire escape track of the present invention, the surface of the driving member located at the top of the handrail board is also provided with a positioning groove, and a plurality of groups of transmission rods mounted with bearings are movably installed on the surface of the positioning groove, and one of the transmission rods extends to the outside of the handrail board and is fixed to the middle part of the second gear, and a driving belt is movably installed on the outside of a plurality of the transmission rods, and an anti-slip layer is fixedly installed on the surface of the driving belt, and a positioning spring is also fixedly installed on the outside of one of the transmission rods, and an impact ball is fixedly installed on one end of the positioning spring.

[0016] As a preferred solution of the fire escape track of the present invention, the ventilation assembly includes a molding groove opened on the side wall surface of the handrail board, the surface of the molding groove is provided with a plurality of ventilation holes, and two closing frames for closing the plurality of ventilation holes are arranged inside the molding groove, and the outer walls of the two closing frames are fixedly installed with a fastening layer, and the two closing frames are designed in the shape of a crutch.

[0017] Beneficial effects: An appropriate amount of liquid is input into the main body. When a fire occurs, the nozzle can be used to spray water inside the entire fire escape track. The sprayed liquid can be used to reduce dust and filter the smoke in the area, while also reducing the smoke temperature in the area, preventing the escapees from inhaling gases containing a large amount of impurities, causing respiratory burns and blockages, toxic gas poisoning, etc. At the same time, the sprayed liquid will also fall on the bodies of the escapees inside the main body, thereby again cooling the escapees themselves and further avoiding scalding, providing an effective and safe escape channel for the escapees and ensuring their life safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the main structure of a fire escape track of the present invention; Figure 2 It is a schematic diagram of the main cross-sectional structure of a fire escape track of the present invention; Figure 3 It is a schematic diagram of a cross-sectional structure of one side of a main body of a fire escape track of the present invention; Figure 4 It is a schematic structural diagram of a ventilation assembly of a fire escape track of the present invention; Figure 5 It is a schematic diagram of the structure of the position of the vent hole of a fire escape track of the present invention; Figure 6 It is a schematic structural diagram of a fire-blocking part of a fire escape track of the present invention; Figure 7 It is a schematic diagram of the structure of an exhaust assembly of a fire escape track of the present invention; Figure 8 The invention discloses a fire escape track. Figure 7 A is a schematic diagram of the enlarged structure.

[0019] In the figure: 1. Main body; 101. Stairs; 102. Support bar; 103. Guardrail; 104. Handrail; 2. Nozzle; 201. Flow guide tube; 202. Telescopic tube; 203. Spray head; 204. Return spring; 3. Driving assembly; 301. Telescopic member; 3011. Position limiting tube; 3012. Assembly slot; 3013. Screw rod; 3014. Telescopic rod; 3015. Transmission rod; 3016. Merging slot; 3017. Driving motor; 3018. Knob block; 302. Closing plug; 4. Turning layer; 5. Fire blocking part; 501. Retention frame; 502. Winding rod; 503. Fire curtain; 504. Fire sponge; 505. Winding motor; 506. Gear block; 507. Chain rope; 6. Exhaust assembly; 601. Retention box; 602. Output rod; 603. Fan impeller; 604. Output member; 6041. First gear; 6042. Transmission belt; 6043. Second gear; 605. Driving member; 6051. Positioning groove; 6052. Transmission rod; 6053. Driving belt; 6054. Anti-skid layer; 6055. Positioning spring; 6056. Impact ball; 606. Air inlet; 607. Air outlet; 608. Air duct; 7. Ventilation assembly; 701. Forming groove; 702. Ventilation hole; 703. Closing frame; 704. Fastening layer; 8. Thermal insulation layer. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0021] Example, see Figures 1 to 8 This embodiment provides a fire escape track, which includes a main body 1 of the escape track, the main body 1 includes a ladder 101 for walking, a support bar 102 is fixedly installed on the outside of the ladder 101, a plurality of groups of guardrails 103 are fixedly installed on the top of the support bar 102, and a handrail board 104 is fixedly installed on the top of the plurality of groups of guardrails 103. The fire escape track of the present application is composed of a plurality of main bodies 1 of the escape track, and the inner cavities between the plurality of main bodies 1 are all connected; The support bar 102, several groups of guardrails 103, and the handrail board 104 are all fixedly installed with a heat insulation layer 8, and the inner cavities of the support bar 102, several groups of guardrails 103, and the handrail board 104 are all connected. The bottom of the support bar 102 is fixedly installed with a nozzle 2, and the top of the handrail board 104 is provided with a driving component 3; The driving assembly 3 includes a telescopic member 301 disposed in the inner cavity of the handrail plate 104 and a guardrail rod 103, and a sealing plug 302 is disposed on the telescopic member 301, and the sealing plug 302 matches the inner cavity of the nozzle 2; First, inject a proper amount of water into the support bars 102, several groups of guardrails 103, and handrails 104 on the main body 1. Specifically, water can be injected into the main body 1 installed at the top of the entire floor. A water injection port can be set on the handrail 104 of the main body 1, and then water is injected through the water injection port, so as to inject water into the main body 1 of the entire floor; The telescopic member 301 includes a limiting tube 3011 fixed to the inner cavity of the guardrail rod 103, an assembly groove 3012 is provided at the bottom of the limiting tube 3011, a screw rod 3013 is movably installed in the inner cavity of the assembly groove 3012 through a bearing, one end of the screw rod 3013 is threadedly connected to a telescopic rod 3014, and the bottom of the telescopic rod 3014 is fixed to the top of the closing plug 302, a transmission rod 3015 is fixedly installed at one end of the screw rod 3013 where the bearing is installed, a merging groove 3016 is provided on the top surface of the handrail plate 104, a driving motor 3017 is fixedly installed in the inner cavity of the merging groove 3016, and the output end of the driving motor 3017 is fixed to one end of the transmission rod 3015, and a knob block 3018 is fixedly installed at one end of the transmission rod 3015 extending to the inner cavity of the merging groove 3016; When smoke is filled inside the area where the fire occurs and the main body 1 is located, the drive motor 3017 on the telescopic part 301 in the drive assembly 3 can be powered on to start (the circuit system to be used in the fire escape track needs to be set up separately to avoid the damage of the overall circuit system in the event of a fire), and the drive motor 3017 drives the transmission rod 3015 to rotate (when the circuit system fails, the staff can also drive the transmission rod 3015 by manually rotating the knob block 3018). At this time, the rotating transmission rod 3015 can drive the screw rod 3013 to rotate, and the rotating screw rod 3013 can cooperate with the assembly slot 3012 to drive the telescopic rod 3014 to move. Since the outer part of the telescopic rod 3014 is limited by the position of the assembly slot 3012 At this time, the telescopic rod 3014 can only move upward and downward according to the driving direction of the driving motor 3017. When the telescopic rod 3014 moves upward, it can drive the sealing plug 302 to separate from the nozzle 2. At this time, the nozzle 2 can spray liquid to the outside, so that the smoke in the area can be filtered by the sprayed liquid to reduce dust, and at the same time, the smoke temperature in the area is also reduced, avoiding the escapees from inhaling gases containing a large amount of impurities, causing respiratory burns and blockages, toxic gas poisoning, etc. At the same time, these sprayed liquids will also fall on the bodies of the escapees inside the main body 1, thereby once again achieving the self-cooling of the escapees, further avoiding the phenomenon of scalding, and providing an effective and safe escape channel for the escapees.

[0022] The spray head 2 includes a guide tube 201 fixed in the inner cavity of the support bar 102, and the inner cavity of the guide tube 201 is sleeved with one end of the closing plug 302, a telescopic tube 202 is fixedly installed at one end of the guide tube 201, a spray head 203 for liquid spraying is fixedly installed at one end of the telescopic tube 202, and a return spring 204 is fixedly installed on the top of the spray head 203; When an open fire or a high smoke concentration occurs in a certain area inside the main body 1, the spray head 203 can be pulled. At this time, the pulled spray head 203 can synchronously drive the telescopic tube 202 and the return spring 204 to extend, so that the liquid spraying position of the spray head 203 can be changed, thereby extinguishing the open fire and the area with high smoke concentration, reducing dust and cooling; When the spray head 203 is not needed, the stretched reset spring 204 will drive the spray head 203 to automatically reset, thereby avoiding the situation where random placement interferes with the escape of personnel and ensuring the escape safety of the escapees.

[0023] A turning layer 4 is fixedly installed at both ends of the step 101, and a fire barrier 5 is arranged at the bottom of the turning layer 4. The fire barrier 5 is mainly used to block open flames to prevent open flames from rushing into the main body 1 to burn people. At the same time, when an explosion occurs, it also plays a role in slowing down the shock wave and fire generated by the explosion, further improving the safety of the escaped personnel; The fire-blocking part 5 includes a retaining frame 501 fixed on the turning layer 4, and a winding rod 502 is movably mounted on the inner wall of the retaining frame 501 through a bearing, and a fire curtain 503 is fixedly mounted in the middle of the winding rod 502. The fire curtain 503 can be specifically referred to as a fire blanket, and a fire sponge 504 is fixedly mounted on the outside of the fire curtain 503. A winding motor 505 is fixedly mounted in the inner cavity of the side wall of the retaining frame 501, and the output end of the winding motor 505 is fixed to one end of the winding rod 502. A gear block 506 is also fixedly mounted on one end of the winding rod 502, and a chain rope 507 is meshed in the middle of the gear block 506; In order to prevent the spread of fire, the winding motor 505 can be started, and the winding motor 505 drives the winding rod 502 to rotate (when the winding motor 505 cannot operate, the chain rope 507 can be manually pulled, and then the chain rope 507 is used to drive the gear block 506 to rotate, and then the gear block 506 is used to drive the winding rod 502 to rotate). At this time, the winding rod 502 will release the fire curtain 503 on the turning layer 4. At this time, the fire curtain 503 can be used to block the fire and shock waves. At the same time, since a fire sponge 504 is also provided on the fire curtain 503, the fire can be further blocked at this time, and the staff can also spray water on the surface of the fire sponge 504 through the nozzle 2, thereby making the fire sponge 504 expand, thereby increasing the weight, thereby improving the impact resistance and fire prevention ability of the entire fire barrier 5.

[0024] The top of the handrail 104 is provided with an exhaust assembly 6, which is used to extract the smoke inside the fire escape track to reduce the smoke concentration inside the fire escape track. The side wall of the handrail 104 is provided with a ventilation assembly 7, which is used to transmit the purified gas to the inside of the fire escape track, thereby playing a role in diluting the smoke and also playing a role in cooling the air inside the fire escape track. The exhaust assembly 6 includes a retaining box 601 fixed on the top of the armrest board 104, the inner cavity of the retaining box 601 is connected to the output rod 602 through a bearing transmission, the middle part of the output rod 602 is fixedly installed with a fan impeller 603, the outside of the output rod 602 is provided with an output member 604, the surface of the armrest board 104 is also provided with a driving member 605, the surface of the retaining box 601 is provided with an air intake port 606, the surface of the retaining box 601 facing the inner cavity of the armrest board 104 is provided with an exhaust port 607, and the bottom of the exhaust port 607 is fixedly installed with an air duct 608 extending to the inner cavity of the support bar 102.

[0025] The output member 604 includes a first gear 6041 fixed to one end of the output rod 602, a transmission belt 6042 is meshed on the outside of the first gear 6041, a second gear 6043 is meshed on one end of the transmission belt 6042, and the second gear 6043 matches the outside of the driving member 605; A positioning groove 6051 is also provided on the surface of the driving member 605 located at the top of the armrest plate 104. A plurality of transmission rods 6052 mounted with bearings are movably mounted on the surface of the positioning groove 6051. One end of one of the transmission rods 6052 extending to the outside of the armrest plate 104 is fixed to the middle of the second gear 6043. A driving belt 6053 is movably mounted on the outside of the plurality of transmission rods 6052. An anti-slip layer 6054 is fixedly mounted on the surface of the driving belt 6053. A positioning spring 6055 is also fixedly mounted on the outside of one of the transmission rods 6052. An impact ball 6056 is fixedly mounted on one end of the positioning spring 6055. The impact ball 6056 can be a hollow metal ball. During the process of escaping, the escapee will hold the driving member 605 on the handrail 104 to increase the running speed. At this time, when the escapee's hand touches the surface of the anti-skid layer 6054 on the driving belt 6053, friction will bring resistance to the escapee, thus avoiding the safety hazard caused by the person holding the handrail 104 and moving too fast and falling. When the anti-skid layer 6054 contacts and generates friction with the user's hand, it will synchronously drive the driving belt 6053 to move. At this time, the driving belt 6053 can drive the internal transmission rod 6052 to rotate, and the rotating transmission rod 6052 will drive the second gear 6043 to rotate. When the second gear 6043 rotates, it will pass through the transmission belt 6053. 042 drives the first gear 6041 to rotate, and at this time the first gear 6041 can drive the output rod 602 inside the retaining box 601 to rotate, and the rotating output rod 602 will drive the impeller 603 to rotate, and at this time the air inlet 606 can be used to inhale the external smoke, and the inhaled smoke is transmitted to the inside of the air duct 608 through the exhaust port 607. Since one end of the bottom of the air duct 608 is located in the inner cavity of the support bar 102, and the support bar 102, the guardrail bar 103, and the handrail board 104 are all filled with water, when the smoke contacts the liquid, the liquid can be used to purify the smoke, so that the smoke content in the escape channel can be reduced, and the breathing safety of the escapee is once again improved; When the transmission rod 6052 rotates, the transmission rod 6052 will drive the impact ball 6056 at one end of the positioning spring 6055 to rotate, so that when the impact ball 6056 collides with the positioning groove 6051, a knocking sound will be emitted, and the remaining personnel who have not escaped can join the escape work in time according to the warning sound; The ventilation assembly 7 includes a shaping groove 701 provided on the side wall surface of the armrest plate 104, a plurality of vents 702 are provided on the surface of the shaping groove 701, two closing frames 703 for closing the plurality of vents 702 are provided inside the shaping groove 701, and a fastening layer 704 is fixedly installed on the outer wall of the two closing frames 703, wherein the fastening layer 704 is made of elastic rubber material, so that the fastening layer 704 and the inner wall of the shaping groove 701 can be squeezed and fixed, and the two closing frames 703 are designed in the shape of a crutch; In order to replenish the clean air inside the main body 1, the two closing frames 703 can be manually peeled off, so that the closing frames 703 can cooperate with the fastening layer 704 to realize the release of the sealing of the vent hole 702 inside the shaping groove 701, so that the gas purified by the exhaust assembly 6 can be discharged through the vent hole 702 to replenish the clean air inside the escape track, ensuring the normal breathing of the escapee, and once again improving the life safety of the escapee; When the escapee walks inside the fire track, there is a possibility that the escapee may fall and get injured due to the rapid escape. At this time, the person with a leg injury can take the two closed frames 703 for auxiliary support because he cannot move, thereby maintaining the escape ability of the person with a leg injury and ensuring the life safety of the person with a leg injury.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fire escape track, characterized in that: The main body (1) of the escape track comprises a ladder (101) for walking, a support bar (102) is fixedly installed on the outer side of the ladder (101), a plurality of groups of guardrails (103) are fixedly installed on the top of the support bar (102), and a handrail (104) is fixedly installed on the top of the plurality of groups of guardrails (103); The support bar (102), the plurality of guardrail rods (103), and the handrail board (104) are all fixedly mounted with a heat insulation layer (8) on the outside, and the inner cavities of the support bar (102), the plurality of guardrail rods (103), and the handrail board (104) are all connected; a nozzle (2) is fixedly mounted on the bottom of the support bar (102), and a driving assembly (3) is provided on the top of the handrail board (104); The driving assembly (3) comprises a telescopic member (301) arranged in the inner cavity of a handrail plate (104) and a guardrail rod (103), a sealing plug (302) being arranged on the telescopic member (301), and the sealing plug (302) matches the inner cavity of the spray head (2).

2. The fire escape track according to claim 1, characterized in that: The spray head (2) comprises a flow guide tube (201) fixed in the inner cavity of the support bar (102), and the inner cavity of the flow guide tube (201) is sleeved with one end of the sealing plug (302), a telescopic tube (202) is fixedly mounted on one end of the flow guide tube (201), a spray head (203) for liquid spraying is fixedly mounted on one end of the telescopic tube (202), and a return spring (204) is fixedly mounted on the top of the spray head (203).

3. The fire escape track according to claim 1, characterized in that: The telescopic member (301) comprises a limiting tube (3011) fixed in the inner cavity of the guardrail rod (103); an assembly groove (3012) is provided at the bottom of the limiting tube (3011); a screw rod (3013) is movably mounted in the inner cavity of the assembly groove (3012) via a bearing; one end of the screw rod (3013) is threadedly connected to a telescopic rod (3014); the bottom of the telescopic rod (3014) is fixed to the top of the sealing plug (302); the screw rod (301 3) A transmission rod (3015) is fixedly installed at one end where the bearing is installed, a merging groove (3016) is opened on the top surface of the armrest plate (104), a driving motor (3017) is fixedly installed in the inner cavity of the merging groove (3016), and the output end of the driving motor (3017) is fixed to one end of the transmission rod (3015), and a knob block (3018) is fixedly installed at one end of the transmission rod (3015) extending to the inner cavity of the merging groove (3016).

4. The fire escape track according to claim 1, characterized in that: A turning layer (4) is fixedly mounted at both ends of the step (101), and a fire-blocking portion (5) is provided at the bottom of the turning layer (4).

5. The fire escape track according to claim 4, characterized in that: The fire-blocking part (5) comprises a retaining frame (501) fixed on the turning layer (4); a winding rod (502) is movably mounted on the inner wall of the retaining frame (501) via a bearing; a fire curtain (503) is fixedly mounted in the middle of the winding rod (502); a fireproof sponge (504) is fixedly mounted on the outside of the fire curtain (503); a winding motor (505) is fixedly mounted in the inner cavity of the side wall of the retaining frame (501); an output end of the winding motor (505) is fixed to one end of the winding rod (502); a gear block (506) is also fixedly mounted on one end of the winding rod (502); a chain rope (507) is meshed in the middle of the gear block (506).

6. The fire escape track according to claim 1, characterized in that: An exhaust assembly (6) is provided on the top of the armrest board (104), and a ventilation assembly (7) is provided on the side wall of the armrest board (104).

7. The fire escape track according to claim 6, characterized in that: The exhaust assembly (6) comprises a retaining box (601) fixed to the top of the armrest plate (104); the inner cavity of the retaining box (601) is connected to an output rod (602) through a bearing transmission; a fan impeller (603) is fixedly mounted in the middle of the output rod (602); an output member (604) is arranged outside the output rod (602); a driving member (605) is further arranged on the surface of the armrest plate (104); an air intake port (606) is provided on the surface of the retaining box (601); an exhaust port (607) is provided on the surface of the retaining box (601) facing the inner cavity of the armrest plate (104); and an air guide pipe (608) extending to the inner cavity of the support bar (102) is fixedly mounted at the bottom of the exhaust port (607).

8. The fire escape track according to claim 7, characterized in that: The output member (604) comprises a first gear (6041) fixed to one end of the output rod (602); a transmission belt (6042) is meshed on the outside of the first gear (6041); a second gear (6043) is meshed on one end of the transmission belt (6042); and the second gear (6043) matches the outside of the driving member (605).

9. The fire escape track according to claim 8, characterized in that: The surface of the driving member (605) located at the top of the armrest plate (104) is also provided with a positioning groove (6051), and a plurality of groups of transmission rods (6052) mounted with bearings are movably mounted on the surface of the positioning groove (6051), and one end of one of the transmission rods (6052) extending to the outside of the armrest plate (104) is fixed to the middle of the second gear (6043), and a driving belt (6053) is movably mounted on the outside of a plurality of the transmission rods (6052), and an anti-slip layer (6054) is fixedly mounted on the surface of the driving belt (6053), and a positioning spring (6055) is also fixedly mounted on the outside of one of the transmission rods (6052), and an impact ball (6056) is fixedly mounted on one end of the positioning spring (6055).

10. The fire escape track according to claim 6, characterized in that: The ventilation assembly (7) comprises a shaping groove (701) formed on the side wall surface of the armrest plate (104), a plurality of ventilation holes (702) being formed on the surface of the shaping groove (701), two closing frames (703) for closing the plurality of ventilation holes (702) being arranged inside the shaping groove (701), a fastening layer (704) being fixedly mounted on the outer walls of the two closing frames (703), and the two closing frames (703) being designed in the shape of a crutch.

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