JP2001063571A - Underfloor strorage type emergency escape device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a regular emergency escape device capable of being compactly housed in usually under the floor of a passenger vestibule on every rolling stock without impairing its appearance and decreasing the space of its cabin. SOLUTION: A steer-step structural body 2 so structured as to be freely made small, is formed up, which is formed out of the upper step 5 of plural steps, its lower step 6 capable of being developed and connected with the upper step 5 while being ranged, and being returned and piled up, and of a built-up hand rail 7 capable of being freely housed in, an emergency escape device 4 is formed up out of the steer structural body 2, and a housing box 3 equipped under the floor of a rolling stock housing the miniaturized steer structural body 2, so that the emergency escape device 4 is permanently stored under the floor of the rolling stock at the lower part of a passenger entrance door. This constitution thereby allows the emergency steer case to be surely pulled out outwardly so as to be simply built up at the passenger entrance for letting passengers safely out.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency stair for safely escaping personnel from a vehicle such as a train or a train of personnel transportation in an emergency.

[0002]

2. Description of the Related Art A conventional means for escaping a vehicle such as a train or a train of a personnel transportation system in the case of an emergency is a conventional vehicle in the case of a plurality of vehicles or a train connecting a number of vehicles. Means for opening the doors at the frontmost, which is the driver's cabin, and the rearmost, which is the normal conductor's office of the rearmost vehicle, to guide and escape to the track, for example, Japanese Patent Publication No. 4-59187, "Emergency Escape The invention of an "exit device" and the invention of a "vehicle emergency escape device" in Japanese Patent Publication No. 58-7499 have been proposed. In addition, as a means of escaping passengers from the vehicle, the rescue vehicle is opposed to the frontmost vehicle or the rearmost vehicle so as to be connected to the opponent's vehicle, the front and rear doors of each facing vehicle are opened, and Temporary delivery bridges are installed between the front and rear doors of the vehicle to guide the personnel and transfer them to the rescue vehicles. However, in any of the above-mentioned escape means, in a train in which a plurality of vehicles are connected, a large number of passengers rush to the front and rear, and it is not possible to safely and quickly escape in a short time. On the other hand, in parallel tracks such as double tracks and double tracks, the rescue train is placed next to the accident train in parallel, the entrance doors of each car are opened, and an emergency exit bridge is opened between the opened entrance doors. To guide the personnel and transfer the passengers to the rescue vehicle. In this case, if the rescue vehicle has an entrance door at the same place as the accident train, many passengers can be transferred to the rescue vehicle from many entrance doors at a time, so that many passengers can be rescued in a short time. However, in the case of a rescue vehicle having no entrance door opposite to the entrance door of the accident train, a large number of entrance doors cannot be opened at once. Further, in a single track orbit having a separation zone in the center, rescue trains cannot be rescued side by side as described above. As described above, it is difficult for the conventional means to safely escape the passenger from each vehicle in a short time in an emergency. In addition, the conventional emergency stairs for escape are often installed in the passenger cabin inside the vehicle, but when they are installed in the passenger cabin etc. in this way, it is necessary to provide a dedicated emergency exit at a specific position There was a problem that the passenger room became narrow.

[0003]

In a conventional vehicle passenger escape system, an emergency exit door and a place where safety escape aids such as stairs and a shooter are installed are limited to a specific vehicle in a train. Limited to a particular location of the vehicle. Therefore, in an emergency, passengers of all vehicles could not safely escape in a short time. In particular, the height of the floor of the vehicle is higher than the track surface, usually 1.35 m to 0.85 m, so in order to safely escape passengers, stairs consisting of multiple steps corresponding to the height are required. It was necessary to provide safety fences and handrails on both sides of the stairs. However, if these structural members are not reduced in volume,
Due to restrictions on the storage location, the installation location of emergency exit doors for emergency use is limited.

[0004] Therefore, the present invention utilizes the opening of a normal passenger entrance door for each vehicle of the train, and a plurality of passenger entrance doors on each of the left and right sides of each vehicle. An emergency evacuation device is provided at the passenger entrance door at a location, and the volume is reduced and stored in a compact state at the lower part of the vehicle floor of the entrance door at normal times. Therefore, it is normally installed at the lower part of the vehicle floor at normal times. Therefore, it is a standby emergency escape device that does not make the cabin of each vehicle narrow and does not impair the appearance of the vehicle.In an emergency, the escape device stored from outside the vehicle is easier than the storage box. It is an object of the present invention to provide an emergency escape device having a staircase that can be pulled out, assembled easily, opened a doorway for a passenger, and guided to escape a passenger safely.

[0005]

According to a first aspect of the present invention, there is provided a method for controlling a plurality of upper steps, the plurality of upper steps being connected to the upper steps and being capable of being folded back and superimposed. An emergency escape device is formed from a stowage structure which is formed of a lower step of a step and a stowable assembly handrail which can be stowed and which can store the stair structure and the downsized stair structure. An emergency escape device that is configured to be stored under the floor of a vehicle, wherein the emergency escape device is always provided under the floor of the vehicle below a passenger entrance door.

According to the second aspect of the present invention, a storage box of a vehicle underfloor equipment for storing a stair structure has a built-in cover on the stair structure, and the cover covers a part of a lower skirt of the vehicle body structure. 2. A vehicle floor retractable emergency escape device according to claim 1, wherein the emergency escape device is formed and normally covered under the floor to cover the emergency escape device of the storage equipment so as not to impair the appearance of the vehicle.

According to the third aspect of the present invention, guide rails are respectively provided inside the left and right side walls of the storage box, and the linear guide supports which linearly slide are engaged with the left and right guide rails, respectively.
At the lower part in front of the right and left linear guide supports, a transverse axis is provided to extend through to the left and right linear guide supports, so that the lower central portions of the left and right side frame plates of the stair structure in the retracted state can be rotated about the transverse axes. In an emergency, the staircase structure stored is pulled out to the front and supported by a guide rail, and the staircase structure is fixed to the right and left linear motion guide supports by a horizontal through shaft fixed to the right and left linear motion guide supports. The vertical cover lid can be rotated 90 degrees forward so that it is horizontal on the lower side, and the left and right side frame plates of the staircase structure are cut off diagonally upward in a posture where the cover lid is horizontal A plurality of upper steps are arranged between the left and right side frame plates in an inclined form, and a plate end of a kick-in plate that follows the lower side of the lowermost step of the upper steps of the plurality of steps. Kick-in board that rises from the top step of the lower step of multiple steps By connecting the plate edge with a rotatable hinge, multiple lower steps can be folded and superimposed on multiple upper steps, and the folded lower steps can be pulled forward and rotated 180 degrees downward. Emergency stairs can be formed, and two diagonally lower and upper portions of the left and right side frame plates of the stair structure located diagonally below the upper steps of the plurality of steps and one immediately below the uppermost step of the plurality of upper steps. A pair of two handrail support leg insertion sheaths penetrating from the left and right are provided at each location, and the upper and lower two support legs of the lower handrail of the assembly handrail are respectively installed on the two oblique upper and lower sheaths from the left and right. The upper handrail is attached to one sheath just below the uppermost step of the upper steps of the plurality of steps,
The left and right upper handrails and lower handrails can be pulled out of the sheath and made to stand up along the left and right side frame plates of the stair structure, while the lower handrails of the assembly handrails Pull out from the handrail pipe to telescopic
3. The emergency escape device according to claim 1 or 2, wherein a joint pipe capable of being stored is inserted into the structure so that the joint pipe can be integrated with an upper handrail.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to FIGS. FIG. 1 is a view showing an emergency escape device (hereinafter, abbreviated as “emergency stairs”) for a passenger under a vehicle-floor stowage, and shows an overall form in which a cross-section is displayed at a central portion in the width direction of the stairs. It is a side view.

In FIG. 2, the lower step of FIG. 1 is folded back and stored, the handrails on the left and right of the stairs are also stored in the staircase structure, and the staircase structure is stored under the vehicle floor in a 90-degree inverted form. FIG. 4 is a diagram showing a normal state when the vehicle is in a normal state.

FIG. 3 is a view showing a standby mode before the staircase structure shown in FIG. 2 is pulled out from the storage box under the floor of the vehicle to the side of the vehicle and is set to an emergency emergency passenger exit mode shown in FIG.

FIGS. 4A and 4B are explanatory views showing the folded superposed body of the upper step and the lower step of the staircase structure and the state of development and connection in the form of the end face of each step in FIGS.

FIG. 5 is a perspective view showing a state where the staircase structure is assembled on the side of the vehicle.

The staircase structure 2 includes a plurality of upper steps 5
And a lower step 6, which can be connected and deployed to the upper step 5,
The left and right side frame plates 16 of the staircase structure 2, the cover 10 forming a part of the skirt 11 at the lower part of the vehicle body, the sheath 22 for storing handrails, and the transverse shaft 15 penetrating the left and right side frame plates 16 are strong. The staircase structure 2 is formed, and the assembling handrail 7 also serves as a safety fence. In FIG. 5, the skirt 11 is provided at the lower part of the main body structure of the vehicle, but the skirt 11 is not indispensable. The assembling handrail 7 includes a lower handrail 23 on the left and right sides of the stairs, an upper handrail 24, and a connecting pipe 26 as an intermediate handrail. The connecting pipe 26 is inserted and stored in the pipe of the lower handrail 23. The joint pipe 26 is drawn out from the lower handrail 23 and fastened to the upper handrail 24 with a pipe joint 27 so that the assembly handrail 7 is integrally formed to be fixed. Stair structure 2
The transversal shaft 15 which penetrates the left and right side frame plates 16 has both ends of the shaft firmly attached to the linear guide support 14. The linear motion guide supporter 14 is engaged with a linear motion guide rail 13 provided inside the left and right side walls 12 of the storage box 3 of the emergency escape device 4 and is supported so as to be freely slidable in the arrow X direction. I have.

That is, guide rails 13 are horizontally provided on the left and right side walls 12 of the storage box 3 respectively. The right and left guide rails 13 are engaged with linear motion guide supports 14 that slide linearly.
In the present embodiment, two guide rails 13 are provided in parallel at the top and bottom, so that the linear guide support 14 is more reliably supported. In the lower part inside the right and left linear motion guide supports 14,
Transverse shafts 15 fastened to the shaft ends of the right and left linear guide supports 14 are provided. The staircase structure 2 in the retracted state shown in FIG. 2 is rotatably fitted to the transverse shaft 15 at the lower central portion of the left and right side frame plates 16. Therefore, in an emergency situation where escape from a vehicle accident is required, the cover 10 of the staircase structure 2 stored in the storage box 3 is integrated with the cover 10 in the X-ray direction as shown by a two-dot chain line in FIG. In the state of being pulled out, it is supported by the guide rail 13 and the linear guide support 14. In this state, the staircase structure 2 uses the transverse shaft 15 provided on the right and left linear motion guide supports 14 as a rotation axis, as shown in FIG.
As shown by the dashed line, the vertical cover lid 10 can be turned horizontally by 90 degrees in the direction of the front Y mark so as to be horizontal on the lower side.

In a posture in which the cover 10 is horizontal as shown in FIG. 1, the left and right side frame plates 16 of the staircase structure 2 are cut off at the diagonally upper outer portions. ing. A plurality of upper steps 5 are fixedly provided between the inclined left and right frame plates 16. The plurality of lower steps 6 are rotated between the left and right side frame plates 16 of the staircase structure 2 located on both sides of the lower riser step 17 of the plurality of upper steps 5 from the lower step 17. A supporting hinge 18 is provided. A portion of the riser plate 20 rising from the uppermost step 19 of the lower step 6 composed of a plurality of steps is rotatably attached to the hinge 18. By connecting a plurality of lower steps 6 to a plurality of upper steps 5 as described above, a staircase portion where passengers can safely descend is completed. Therefore, the lower step 6 of the plurality of steps is folded upward to form the upper step 5 of the plurality of steps.
This state is shown in FIG. 4 (a), and the lower step 6 folded back and superposed as described above is pulled down toward the direction of arrow 28 with the hinge 18 as the rotation axis. It can be unfolded 180 degrees downward to form an emergency staircase, and this state is shown in FIG.

Further, one penetrating from the left and one penetrating from the right into two upper and lower portions in the oblique direction of the left and right side frame plates 16 of the staircase structure 2 located diagonally below the upper step 5 of the plurality of steps. A pair of two handrail support legs 22 is provided. Further, a pair of two handrail support leg insertion sheaths 22 penetrating from the left and right are provided at one location immediately below the uppermost step 19 of the plurality of upper steps 5. The upper and lower two supporting legs 21 of the lower handrail 23 of the assembling handrail 7 are respectively inserted from the left and right into the two upper and lower sheaths 22 so that they can be stored. Furthermore, one sheath 22 immediately below the uppermost step 19 of the upper step 5 can be housed by inserting one support leg 21 of the upper handrail 24. The lower handrail 23 and the upper handrail 24 in a state of being inserted and stored in these sheaths 22 are shown in FIG. 2 or FIG. These left and right lower handrails 23 and upper handrails 24 can be pulled out from the sheath 22 and can stand up along the left and right side frame plates 16 of the staircase structure 2 as shown in FIG. The vertically extending support leg 21 is fixed by a fixing pin appropriately attached to the end of the sheath 22 or the side frame plate 16 so as not to fall down. On the other hand, a connecting pipe 26 that can be telescopically pulled out and stored is inserted into the handrail pipe 25 of the lower handrail 23 of the assembly handrail 7. The joint pipe 26 is fixed by being pulled out from the handrail pipe 25 of the lower handrail 23, extended and joined by an upper handrail 24 with a pipe joint 27 to be integrated.

An operation method of the emergency escape device 4 will be described. If a car accident occurs, the train will be stopped. When a passenger escapes from a vehicle in this train during an emergency stop, as shown in FIG. 2, an attendant from outside the vehicle goes to the entrance / exit 29 provided with the emergency escape device 4 of each vehicle, and the vehicle at the entrance / exit 29 Cover 1 for emergency escape device 4 under floor 9
The staircase structure 2 is pulled out of the storage box 3 in the direction of the arrow X while holding the staircase 0, and the staircase structure 2 is held in the stair assembly standby state shown in FIG. Subsequently, the staircase structure 2 is rotated by 90 degrees in the direction of arrow Y about the transverse axis 15 as an axis, and is raised as shown by a two-dot chain line. Further, the staircase structure 2 shown in FIG.
The lower step 6 is folded back around the hinge 18 so as to be unfolded so as to be connected to the upper step 5 to form an emergency staircase. Next, the supporting legs 21 are inserted into the sheaths 22 of the left and right side frame plates 16, and the lower handrails 23 and the upper handrails 24 of the assembled handrails 7 that are housed are grasped and pulled out in the lateral direction. It stands upright on the board wall of the left and right side frame boards 16. Each support leg 21 is fixed by a fixing pin (not shown) so as not to fall in the lateral direction. Next, the joint pipe 26 is drawn out of the upper pipe of the lower handrail 23 and connected and fixed to the lower end of the upper handrail 24 by the pipe joint 27 to form the emergency stairs shown in FIG.
FIG. 5 shows a state in which the emergency stairs are formed in the vehicle. When it is confirmed that the vehicle is safe, the entrance door 8 is opened, and the passenger is guided and escaped from the entrance 29 to the vehicle side outside the vehicle by the emergency stairs.

[0018]

As described above, the present invention is an emergency escape device which makes it possible to use the entrances on both sides of each vehicle as emergency exits. Emergency escape stairs can be freely set up on the side where there is no. Therefore, the emergency escape of the passenger can be made from the side of the train on the safe side. In addition, assembling the stairs of the emergency escape device can be installed by trained crew members from outside the vehicle, so that it is possible to safely guide and escape passengers. Furthermore, since an emergency escape device is installed under the floor of the normally used entrance / exit for each vehicle, an emergency staircase can be installed in each vehicle, so that a large number of passengers can simultaneously escape from each vehicle quickly and quickly. I can do it. This emergency escape staircase is made simple and lightweight, and its operation is simple and can be assembled by light work.The emergency staircase is folded back and overlapped to reduce the volume and make it compact, The present invention has excellent effects not found in the conventional apparatus, such that it can be installed under the floor of the vehicle body structure because it does not require a place.

[Brief description of the drawings]

FIG. 1 is a side view cut away at a central portion in a stair width direction in a state in which an emergency stair is installed in an emergency escape device under a vehicle floor according to an embodiment of the present invention.

FIG. 2 shows a staircase structure in which an emergency staircase is folded back and superimposed;
FIG. 4 is a side view showing a state in which the handrails are inverted and stored in a storage box below the vehicle floor with the assembled handrails stored in a staircase structure, and a drawn-out state by a two-dot chain line.

FIG. 3 is a side view showing a standby mode before the staircase structure of FIG. 2 is pulled out from a storage box under the floor of the vehicle to the side of the vehicle, and the staircase is assembled in an emergency escape state of FIG. 1;

FIG. 4 is a side view for explaining, by an end face of each step, (a) a folded superposed state of an upper step and a lower step of a staircase structure and (b) a developed and connected state.

FIG. 5 is a perspective view showing a state in which a staircase structure of the emergency escape device under the floor of the vehicle is assembled on a side surface of the vehicle.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 Emergency escape device under vehicle floor 2 Stair structure 3 Storage box 4 Emergency escape device 5 Upper step 6 Lower step 7 Assembly handrail 8 Entry / exit door 9 Under vehicle floor 10 Cover lid 11 Lower skirt 12 Side wall 13 Guide rail 14 Linear motion Guide support 15 Transverse shaft 16 Side frame plate 17 Lowermost step 18 Hinge 19 Uppermost step 20 Kick-in plate 21 Support leg 22 Sheath 23 Lower handrail 24 Upper handrail 25 Handrail pipe 26 Joint pipe 27 Pipe joint 28 Arrow 29 Entry / exit

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[Procedure amendment]

[Submission date] August 30, 1999 (1999.8.3)
0)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0001

[Correction method] Change

[Correction contents]

[0001]

[Genus technical field of the invention of the present invention is to provide a vehicle such as a train or train personnel transport transportation, the present invention relates to a very stairs of the order to escape from the safe vehicle personnel at the time of very urgent.

[Procedure amendment]

[Submission date] April 14, 2000 (2004.1.
4)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

2. A guide rail is provided inside each of the left and right side walls of the storage box, and linearly sliding guide supports linearly slidably engaged with the left and right guide rails. The staircase structure in the retracted state is rotatably fitted to the lower central portions of the left and right side frame plates, and is provided with a transverse shaft extending transversely to the right and left linear motion guide supports. Pull out the stair structure that has been pulled out toward the front and support it with guide rails, and lower the vertical covering lid with the horizontal shaft fixed to the left and right linear motion guide supports as the axis of rotation. The left and right side frame plates of the staircase structure consist of a plate body with the upper part cut off diagonally and inclined, in a posture where the cover lid is horizontal so that it can be rotated 90 degrees forward so that it is horizontal on the side. Arrange multiple upper steps between the left and right frame plates The end of the riser plate following the lowermost step of the upper steps of the plurality of steps and the end of the riser plate rising from the uppermost step of the lower steps of the plurality of steps are connected by a rotatable hinge. A plurality of lower steps can be folded back and superimposed on a plurality of upper steps, and the folded lower steps can be pulled down and rotated 180 degrees downward to form an emergency staircase,
Furthermore, it penetrates from left and right to two locations, diagonally above and below the left and right side frame plates of the stair structure located diagonally below the upper steps of the plurality of steps, and to one place immediately below the uppermost step of the plurality of upper steps. A pair of two handrail support leg insertion sheaths are provided, and the upper and lower two support legs of the lower handrail of the assembly handrail are inserted and stored in the two oblique upper and lower sheaths from left and right, respectively. One supporting leg of the upper handrail is inserted into a single sheath immediately below the uppermost step of the plurality of upper steps to be stowable, and the left and right upper handrails and lower handrail are respectively pulled out from the sheath to form a staircase structure. Structure that can be vertically suspended along the left and right side frame plates, while a connecting pipe that can be telescopically pulled out and stored from the handrail pipe of the lower handrail of the assembly handrail is inserted and joined with the upper handrail and integrated That Vehicle floor storage type emergency escape device as claimed in claim 1 wherein symptoms.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

[0005]

According to a first aspect of the present invention, there is provided a method for controlling a plurality of upper steps, the plurality of upper steps being connected to the upper steps and being capable of being folded back and superimposed. A staircase structure that can be miniaturized, comprising a lower step of a step and an assembling handrail that can be stowed , and the staircase structure
A storage box under the vehicle floor to be stored and an emergency escape device are further configured, and the emergency escape device is always installed under the vehicle floor below the passenger entrance doors on both sides of the vehicle, and a storage box equipped under the vehicle floor.
Cover lid part of the lower skirt of the vehicle body structure
Normally, cover the emergency escape device of the storage equipment under the floor
This is an emergency escape device that can be stored under the floor of a vehicle, without impairing the appearance of the vehicle.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction contents]

According to the invention of claim 2, the left and right side walls of the storage box are provided.
Guide rails are provided inside each, and the left and right guide rails
Engage linearly sliding guide supports that slide linearly
Left and right linear guide support at the lower part in front of the left and right linear guide support
A horizontal axis that extends through to the vessel, and a staircase structure in the retracted state
The lower central part of the left and right side frame plates of the structure can be rotated around the transverse axis
To the staircase stored in an emergency.
Pull out the structure to the front and support it with guide rails,
Transverse shaft with structure fixed to left and right linear guide supports
With the vertical cover as the axis of rotation so that it is horizontal at the bottom
Can be rotated 90 degrees to the front and the cover is horizontal
In, the left and right side frame plates of the staircase structure are diagonally upper outside
Left and right side frames composed of cut plate bodies and inclined
Arranging a plurality of upper steps between the plates,
The bottom plate of the step
Stand from the top step of the end and the lower step of multiple steps
Connect the rising edge of the riser with a rotatable hinge
Wrap multiple lower steps to multiple upper steps
Can be superimposed, and the lower
Pull the flip to the front and rotate it 180 degrees down to the emergency floor
A step can be formed.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction contents]

[0007] Further, diagonally below the upper step of a plurality of steps
Two locations, diagonally up and down on the left and right side frame plates of the staircase structure located
And immediately below the top step of the upper step of multiple steps
Two pairs of handrail supports that penetrate from one side to the other at one location
Providing a sheath for inserting the legs,
From the left and right, the upper and lower two support legs of the lower handrail of the assembly handrail
It can be inserted and stored, and the uppermost step of the upper step of multiple steps
One support of the upper handrail is attached to one sheath just below the step.
The legs can be inserted and stored, and the left and right upper handrails respectively
And pull out the lower handrail from the sheath
It is possible to stand up along the side frame plate, while the lower hand of the assembly handrail is
Can be pulled out and stored telescopically from the handrail pipe
And insert it with a joint pipe and join it with the upper handrail.
Claims characterized by having a structure that can be converted
The emergency escape device according to the first aspect of the present invention is a retractable under-floor type vehicle.

Claims (3)

[Claims] A miniaturized staircase structure comprising a plurality of upper steps, a plurality of lower steps which can be connected to the upper steps and can be folded back and superimposed, and a stowable assembling handrail; An emergency escape device is constituted by a staircase structure and a storage box under the vehicle floor for storing the miniaturized staircase structure, and the emergency escape device is always installed under the vehicle floor below the passenger entrance door. Emergency escape device that is stored under the floor. 2. The storage box of a vehicle underfloor equipment for storing a staircase structure, having a built-in cover lid on the staircase structure, the cover lid forming part of a lower skirt of the vehicle body structure, and 2. The vehicle floor retractable emergency escape device according to claim 1, wherein an emergency escape device equipped with a storage device is covered under the floor so as not to impair the appearance of the vehicle. 3. A guide rail is provided inside each of the left and right side walls of the storage box, and linear motion guide supports sliding linearly are engaged with the left and right guide rails, respectively, and a lower front part of the left and right linear motion guide supports. The staircase structure in the retracted state is rotatably fitted to the lower central portions of the left and right side frame plates, and is provided with a transverse shaft extending transversely to the right and left linear motion guide supports. Pull out the stair structure that has been pulled out toward the front and support it with guide rails, and lower the vertical covering lid with the horizontal shaft fixed to the left and right linear motion guide supports as the axis of rotation. The left and right side frame plates of the staircase structure consist of a plate body with the upper part cut off diagonally and inclined, in a posture where the cover lid is horizontal so that it can be rotated 90 degrees forward so that it is horizontal on the side. Arrange multiple upper steps between the left and right frame plates, The end of the riser plate following the lowermost step of the upper steps of the plurality of steps and the end of the riser plate rising from the uppermost step of the lower steps of the plurality of steps are connected by a rotatable hinge. A plurality of lower steps can be folded back and superimposed on a plurality of upper steps, and the folded lower steps can be pulled down and rotated 180 degrees downward to form an emergency staircase,
Furthermore, it penetrates from left and right to two locations, diagonally above and below the left and right side frame plates of the stair structure located diagonally below the upper steps of the plurality of steps, and to one place immediately below the uppermost step of the plurality of upper steps. A pair of two handrail support leg insertion sheaths are provided, and the upper and lower two support legs of the lower handrail of the assembly handrail are inserted and stored in the two oblique upper and lower sheaths from left and right, respectively. One supporting leg of the upper handrail is inserted into a single sheath immediately below the uppermost step of the plurality of upper steps to be stowable, and the left and right upper handrails and lower handrail are respectively pulled out from the sheath to form a staircase structure. Structure that can be vertically suspended along the left and right side frame plates, while a connecting pipe that can be telescopically pulled out and stored from the handrail pipe of the lower handrail of the assembly handrail is inserted and joined with the upper handrail and integrated That Vehicle floor storage type emergency escape device as claimed in claim 1 or 2, wherein the symptom.