JP2020193539A - Escape door - Google Patents

Abstract

To provide an escape door that can open/close a door properly and particularly eliminate the risk of sudden opening of vehicle doors even when air pressure in a roadway tunnel is applied to the door.SOLUTION: The escape door comprises: a first door (first door body 3) that opens/closes an opening connecting an escape connection hole and a roadway tunnel; and a second door (first slide door 6) that opens/closes an opening for people passing which is formed in the first door; lock means (Cremone handle H1, upper rod 11, lower rod 12, locking part L1, locking part L2) that keeps the first door body in a fully-closed posture; lock release restriction means (contacted part 15, stopper 16) that restricts the release of the lock means; and lock release allowance means (rod 160, operation mechanism, contact guide part 18) that cancels the lock release restriction by opening the second door in the fully-closed posture. When the opening for people passing is fully closed, the opening of the first door body is restricted, and when the opening for people passing is opened, the opening of the first door body is allowed.SELECTED DRAWING: Figure 1

Description

The present invention relates to an evacuation door installed at an opening connecting an evacuation communication pit and a roadway tunnel.

An evacuation communication pit that connects the tunnels of the up road and the down road will be provided on the expressway or the like where the up road and the down road run in parallel with a gap. An evacuation door is provided at the opening that connects the evacuation communication pit and the roadway tunnel.

The disaster prevention door for an evacuation communication tunnel disclosed in Patent Document 1 is composed of a hinged door or a folded door for opening and closing the opening of the tunnel, and a sliding door provided on the hinged door or the folded door, and the hinged door or the folding door. It is characterized in that an evacuation opening for vehicles is formed by opening the folding door, and an evacuation opening for humanitarian use is formed by opening the sliding door.

In such an evacuation door, the opening force of the door may become heavy due to the wind pressure in the roadway tunnel, but in order to quickly secure the opening for the roadway in the event of a disaster, the wind pressure is applied to the door. Even if it is working, it is desirable to take measures to reduce the opening force of the vehicle door. If the opening force of the vehicle door is heavy, it is recommended to open the sliding door that opens the humanitarian opening to reduce the pressure difference before opening the vehicle door, but without reducing the pressure difference. When the vehicle door is unlocked and the door is opened, the door may suddenly open due to the wind pressure depending on the direction in which the wind pressure acts.
JP-A-2002-138774

The present invention enables smooth opening of the evacuation door even when the wind pressure in the roadway tunnel acts on the door, and the wind pressure acts in the opening direction of the vehicle door. If so, the purpose is to eliminate the risk of sudden opening of the vehicle door.

The technical means adopted by the present invention is
In an evacuation door provided with a first door that opens and closes a vehicle opening that communicates with an evacuation communication pit and a roadway tunnel, and a second door that opens and closes a humanitarian opening formed in the first door.
The evacuation door
The locking means for maintaining the fully closed posture of the first door body and
An unlocking regulating means that regulates the unlocking of the locking means,
It is provided with an unlocking allowable means for releasing the unlocking regulation by opening the second door in the fully closed posture.
An evacuation door in which the opening of the first door body is restricted when the humanitarian opening is fully closed, and the first door body can be opened in a state where the humanitarian opening is open. ..

In one embodiment, the first door is a hinged or folded door and the second door is a sliding door.

In one embodiment, the locking means comprises a movable element that is movable between the locking and unlocking positions.
The unlocking regulating means regulates the movement of the movable element in the locking position in the unlocking direction.
In one embodiment, the movable element is a rod extending in the height direction.
In one embodiment, the unlocking regulating means is movable between a first position and a second position, where the movable element is abutted or locked by abutting or locking the movable element. The movement in the unlocking direction is restricted, and at the second position, the movable element is separated from the movable element and allowed to move in the unlocking direction.

In one aspect, the unlocking permitting means releases the unlocking restriction in conjunction with the movement of the second door body to the fully open position or the vicinity of the fully open position.
In one embodiment, the locking means comprises a movable element that is movable between the locking and unlocking positions.
The unlocking regulating means is movable between the first position and the second position, and at the first position, the movable element is brought into contact with or locked in the unlocking direction of the movable element. The movement is restricted, and in the second position, the movable element is separated from the movable element and allowed to move in the unlocking direction.
The unlocking permitting means sets the unlocking restricting means in conjunction with the contact or locking of the portion of the second door body when the second door body moves to the fully open position or the vicinity of the fully open position. It is equipped with an interlocking mechanism that moves from the 1st position to the 2nd position.

In one aspect, the unlocking permissible means releases the unlocking restriction in conjunction with the initial opening of the second door body.
In one embodiment, the locking means comprises a movable element that is movable between the locking and unlocking positions.
The unlocking regulating means is movable between the first position and the second position, and at the first position, the movable element is brought into contact with or locked in the unlocking direction of the movable element. The movement is restricted, and in the second position, the movable element is separated from the movable element and allowed to move in the unlocking direction.
The unlocking permitting means moves the unlocking regulating means from the first position to the second position in conjunction with the opening movement of the door end side portion of the second door body from the fully closed posture. It has a mechanism.

According to the present invention, a first door for opening and closing a vehicle opening that communicates with an evacuation communication pit and a road tunnel, and a second door for opening and closing a humanitarian opening formed in the first door are provided. At the evacuation door, even if the opening force of the first door is heavy due to the wind pressure in the road tunnel, or even if the wind pressure is acting in the opening direction of the first door, the first By opening the second door body to unlock the fully closed position of the door, the humanitarian opening was opened by opening the second door body and the wind pressure acting on the first door was reduced. The first door can be opened above, the opening operability of the first door is good, and the first door does not suddenly open due to wind pressure.

It is a front view of the evacuation communication pit door (closed posture) which concerns on 1st Embodiment seen from the evacuation communication pit side. It is a figure which shows the state which the sliding door opened from the state of FIG. 1 to the fully open position. It is a vertical cross-sectional view of the evacuation communication pit door (main door part) which concerns on 1st Embodiment. It is a cross section of the lower part (humanitarian opening) of the evacuation communication pit door (closed posture) according to the first embodiment. It is a cross section of the upper part of the main door of the open door of the evacuation communication pit door (closed posture) according to the first embodiment (unlocking of the main door is restricted). It is a cross section of the upper part of the main door of the open door of the evacuation communication pit door (closed posture) according to the first embodiment (unlocking of the main door is allowed). It is a front view of the upper part of the main door of the opening door of the evacuation communication pit door according to the first embodiment (the sliding door is in the fully closed posture, and the unlocking of the main door is restricted). It is a front view of the upper part of the main door of the open door of the evacuation communication pit door according to the first embodiment (the sliding door is in a state shortly before the fully open posture, and the unlocking of the main door is restricted). It is a front view of the upper part of the main door of the open door of the evacuation communication pit door according to the first embodiment (the sliding door is in the fully open posture, and the unlocking of the main door first is allowed). It is a front view of the evacuation communication pit door (closed posture) which concerns on 2nd Embodiment seen from the evacuation communication pit side. It is a figure which shows the state which the sliding door opened a little from the state of FIG. It is a vertical cross-sectional view of the upper part of the evacuation communication pit door (parent door part) which concerns on 2nd Embodiment. It is a cross section of the lower part (humanitarian opening) of the evacuation communication pit door (closed posture) according to the second embodiment. (A) is a plan view showing the door end side portion of the main door (closed posture) of the open door of the evacuation communication pit door according to the second embodiment (unlocking of the main door is restricted). (B) is a plan view showing a portion of the main door of the open door of the evacuation communication pit door according to the second embodiment (the sliding door is slightly opened from the closed posture) (the main door is unlocked). Allowed). (A) is a front view showing a portion of the main door (closed posture) of the open door of the evacuation communication pit door according to the second embodiment on the door end side (unlocking of the main door is regulated). (B) is a front view showing a portion of the main door of the open door of the evacuation communication pit door according to the second embodiment (the sliding door is slightly opened from the closed posture) (the main door is unlocked). Allowed). (A) is a plan view showing a portion of the main door (closed posture) of the open door of the evacuation communication pit door according to the first modification of the second embodiment on the door end side (unlocking of the main door is restricted). ing). (B) is a plan view showing a portion of the main door of the open door of the evacuation communication pit door (the sliding door is slightly opened from the closed posture) according to the first modification of the second embodiment (parent). Door unlocking is allowed). (A) is a plan view showing a portion of the main door (closed posture) of the open door of the evacuation communication pit door according to the second modification of the second embodiment on the door end side (unlocking of the main door is restricted). ing). (B) is a plan view showing a portion of the main door of the open door of the evacuation communication pit door (the sliding door is slightly opened from the closed posture) according to the second modification of the second embodiment (parent). Door unlocking is allowed). It is a figure which shows the installation position of the evacuation communication pit door which concerns on this embodiment.

A mode for carrying out the present invention will be described with reference to the drawings. As shown in FIG. 18, an opening is formed at a predetermined position on the side wall W'of the roadway tunnel A', and an evacuation communication pit B'is provided so as to communicate with the opening. In one aspect, the evacuation communication pit B'is provided so as to connect the tunnels of the up road and the down road, but the present invention is not limited to this, and one end of the evacuation communication pit B'communicate to the roadway tunnel A'. , The other end may communicate with a space other than the roadway tunnel. The evacuation connecting pit door, that is, the evacuation door according to the present embodiment is installed in the opening 1 (see FIGS. 4 and 18) that communicates the evacuation connecting pit and the roadway tunnel. In the illustrated embodiment, the evacuation communication pit door is provided at a position (opening 1) slightly inside the side wall W'of the roadway tunnel A'in the evacuation communication pit B'. In the figure, A represents the roadway tunnel side, B represents the evacuation connecting pit side, and the wall surface of the evacuation connecting pit is represented by W. In the present embodiment, the hinged door composed of the first door body 3 and the second door body 4 is configured to open the opening 1 by rotating to the evacuation communication pit side B. Although the present embodiment relates to a hinged door provided with a sliding door, the technical idea according to the present invention can be applied to a folding door provided with a sliding door.

[A] The hinged door opening 1 is formed in an area surrounded by a four-circle-shaped frame 2 provided on the skeleton, and the frame 2 includes left and right vertical frames 20, 21 and an upper frame 22. The lower frame 23 and the opening 1 are opened and closed by an opening door attached to the frame body 2. In the present embodiment, the hinged door is a double door having a first door body 3 and a second door body 4, the first door body 3 is a wide main door, and the second door body 4 is wide. It is a narrow child door. That is, the first door body 3 has a first width dimension, the second door body 4 has a second width dimension, and the first width dimension is larger than the second width dimension. The width dimensions of the first door body 3 and the second door body 4 may be the same.

The door tail side portion of the first door body 3 is rotatably attached to a rotation support portion 3a provided above and below the vertical frame 20 of the frame body 2, and the door tail side of the second door body 4 is mounted rotatably. The side portion is rotatably attached to a rotation support portion 4a provided above and below the vertical frame 21 of the frame body 2.

The first width dimension of the first door body 3 and the second width dimension of the second door body 4 have dimensions such that the total of these is substantially the same as the opening width of the opening 1. The opening 1 is closed by the first door body 3 and the second door body 4 in the closed posture. The first door body 3 and the second door body 4 are adapted to open the opening 1 by rotating from the closed posture to the evacuation communication pit side B. The opening 1 is an opening for a vehicle through which a vehicle can pass, and the effective opening width of the roadway is obtained by rotating the first door body 3 and the second door body 4 by approximately 90 degrees from the closed posture to the open posture. Is obtained.

The first door body 3, which is a wide main door, is formed with an opening 5 as a humanitarian opening, and the opening 5 is opened and closed by a sliding door of a sliding door device provided in the first door body 3. In this embodiment, the opening 5 is opened and closed by the two sliding doors 6 and the second sliding door 7.

As shown in FIGS. 3 and 4, the first door body 3 has a door end side vertical frame 30 located on the door end side of the opening 5 and an evacuation communication pit side when the first door body 3 is in the closed position. The first finding surface 31 located at B, the second finding surface 32 located on the road tunnel side A when the first door body 3 is closed, and the door end side end surface (outside of the door end side vertical frame 30). It has a prospective surface 303), an end surface 33 on the door tail side, an upper surface 34 extending over the entire width of the first door body 3, and a lower surface 35 located at the lower end on the door end side with respect to the opening 5. The three peripheral surfaces of the opening 5 formed in the first door body 3 are composed of an upper surface 36, a side surface on the door end side (inner prospective surface 302 of the door end side vertical frame 30), and a side surface 37 on the door end side.

As shown in FIG. 4 and the like, the second door body 4 has a vertically rectangular shape when viewed from the front, and has a first finding surface 41 located on the evacuation communication pit side B when the second door body 4 is in the closed posture. The second door body 4 has a second finding surface 42 located on the road tunnel side A, a door end side end surface 43, and a door tail side end surface 44 when the second door body 4 is in the closed posture. The plate portion 40 is provided on the 42 so as to protrude from the door end side end surface 43. When the first door body 3 and the second door body 4 are in the closed posture, the first finding surface 31 of the first door body 3 and the first finding surface 41 of the second door body 4 are flush with each other (same vertical surface). The second finding surface 32 of the first door body 3 and the second finding surface 42 of the second door body 4 are flush with each other (located in the same vertical plane). In the present embodiment, in the fully closed posture of the open door, the second door body 4 is provided with the eye plate portion 40, so that the first door body 3 is opened and then the second door body 4 is opened. ing.

The door end side vertical frame 30 of the first door body 3 extends over the entire height of the first door body 3, and as shown in FIG. 4 and the like, the evacuation communication pit side when the first door body 3 is in the closed position. The inner finding surface 300 located at B, the outer finding surface 301 located on the road tunnel side A when the first door body 3 is in the closed position, the inner prospecting surface 302 facing the opening 5, and the first door. It has an outer prospective surface 303 that forms a door end side end surface of the body 3.

As shown in FIG. 4 and the like, the door end side vertical frame 30 of the first door body 3 exceeds the plate thickness of the first door body 3 and is on the evacuation communication pit side B with respect to the first finding surface 31. It has an extension part to extend. As will be described later, the extending portion of the door end side vertical frame 30 of the first door body 3 also serves as the door end side vertical frame of the sliding door device. The inner prospective surface 302 and the outer prospective surface 303 of the door end side vertical frame 30 extend so as to project toward the evacuation communication pit side B away from the first finding surface 31 of the first door body 3.

The closed postures of the first door body 3 and the second door body 4 are fixed by roller tightening (locking means for maintaining the fully closed posture of the door body). In the present embodiment, the roller tightening is configured from the Gremon lock. The Gremon lock consists of a Gremon handle, an upper rod 11 and a lower rod 12, which are movable elements that move up and down by rotating the Gremon handle, and a locking member 110 and a lower rod 12 provided at the upper end of the upper rod 11. A locking member 120 provided at the lower end is provided, and receiving holes 13 and 14 are formed in the upper frame 22 and the lower surface FL, respectively, and the Gremon handle is rotated in the locking direction to be in the locking posture. Then, the locking members 110 and 120 are locked to the receiving holes 13 and 14 via the upper rod 11 and the lower rod 12 to be in a locked state, and the opening of the first door body 3 and the second door body 4 is restricted. Will be done. That is, the first door body 3 and the second door body 4 are formed from the upper locking portion L1, the locking portion L3, the locking member 120 and the receiving hole 14, respectively, which are composed of the locking member 110 and the receiving hole 13. The lower locking portion L2 and the locking portion L4 are provided (see FIG. 1). Further, when the hinged door is in the closed position, the end of the second finding surface 32 of the first door body 3 is pressed against the airtight member S provided in the vertical frame 20, and the second finding surface 32 is pressed. The upper end of the door is pressed against the airtight member S provided on the upper frame 22, and the end of the second finding surface 42 of the second door body 4 is pressed against the airtight member S provided on the vertical frame 21. The upper end of the second finding surface 42 is pressed against the airtight member S provided on the upper frame 22.

A Gremon handle H1 which is an operation unit of the first door body 3 is provided at a predetermined height position of the inner finding surface 300 of the door end side vertical frame 30 of the first door body 3. In the first door body 3, the upper locking portion L1 is provided at the upper end of the upper rod 11, and the lower locking portion L2 is provided at the lower end of the lower rod 12, and is provided on the upper side of the first door body 3. The upper end of the rod 11 and the lower end of the lower rod 12 are supported by the inner finding surface 300 of the door end side vertical frame 30. The upper rod 11 and the lower rod 12 move in the axial direction in conjunction with the rotation operation of the Gremon handle H1, and the locking portion L1 and the locking portion L2 are moved by the rotation operation of the Gremon handle H1. It is designed to take an unlocking posture and a locking posture (locking posture). That is, by rotating the Gremon handle H1 in the locking direction (first operation) to take the locked posture, the Gremon lock is locked and the closed posture of the first door body 3 is maintained, and the Gremon in the locked posture. By rotating the handle H1 in the unlocking direction (second operation), the lock of the Gremon lock is released, and the first door body 3 can be opened. A Gremon handle H2, which is an operation unit of the second door body 4, is provided at a predetermined height position of the door end side portion of the first finding surface 41 of the second door body 4. In the second door body 4, the upper locking portion L3 is provided at the upper end of the upper rod 11, and the lower locking portion L4 is provided at the lower end of the lower rod 12, and is provided above the second door body 4. The upper end of the rod 11 and the lower end of the lower rod 12 are supported by the first finding surface 41 of the second door body 4. The upper rod 11 and the lower rod 12 move in the axial direction in conjunction with the rotation operation of the Gremon handle H2, and the locking portion L3 and the locking portion L4 are moved by the rotation operation of the Gremon handle H2. It is designed to take an unlocking posture and a locking posture (locking posture). That is, by rotating the Gremon handle H2 in the locking direction (first operation) to take the locked posture, the Gremon lock is locked and the closed posture of the second door body 4 is maintained, and the Gremon in the locked posture. By rotating the handle H2 in the unlocking direction (second operation), the lock of the Gremon lock is released, and the second door body 4 can be opened.

An auxiliary roller GR is provided at the lower end of the door end side portion of the first door body 3, and the auxiliary roller GR can support the lower end of the door end side portion when the first door body 3 is opened and closed. .. A locking rod R1 used for fixing the open posture of the first door body 3 is provided in a lower portion of the door end side portion of the first door body 3 so as to be movable up and down, and the first door body 3 is rotated to the open posture. At that time, the locking rod R1 is moved downward to lock it in the locking hole provided at a predetermined position on the floor surface, whereby the open posture of the first door body 3 is fixed.

A locking rod R2 used for fixing the open posture of the second door body 4 is provided in a lower portion of the door end side portion of the second door body 4 so as to be movable up and down, and the second door body 4 is rotated to the open posture. At that time, the locking rod R2 is moved downward to lock it in the locking hole provided at a predetermined position on the floor surface, whereby the open posture of the second door body 4 is fixed.

When the hinged door is in the closed position, the airtight member of the panel portion 40 provided on the door end side portion of the second finding surface 42 of the second door body 4 is the door end side vertical frame 30 of the first door body 3. It is in contact with the outer side finding surface 301, and the door end side end surface of the first door body 3 (outer prospect surface 303 of the door end side vertical frame 30) and the door end side of the second door body 4 are provided by the perforated plate portion 40. It closes the gap between the end face 43 and the end face 43.

The first door body 3 and the second door body 4 are provided with door closers DC1 and DC2, respectively. By moving the locking rod R1 upward to release the fixed open posture of the first door body 3, the first door body 3 is rotated to the closed posture by the door closer DC1. By moving the locking rod R2 upward to release the fixed open posture of the second door body 4, the second door body 4 is rotated to the closed posture by the door closer DC2.

[B] Sliding Door The sliding door includes two sliding doors, a first sliding door 6 and a second sliding door 7. The first slide door 6 is a rectangular panel in front view, and has a door end side end surface 60, a door end side end surface 61, an upper end surface 62, a first finding surface 63 located on the evacuation communication pit side B, and a road tunnel side A. A second finding surface 64 is provided at the door end side of the first finding surface 63 and the second finding surface 64, and a handle H3 is provided. A hanger roller assembly HR1 is provided on the upper end surface 62 of the first slide door 6, and a guide roller GR1 is provided on the lower end surface.

The second slide door 7 is a rectangular panel in front view, and has a door end side end surface 70, a door end side end surface 71, an upper end surface 72, a first finding surface 73 located on the evacuation communication pit side B, and a road tunnel side A. A second finding surface 74, which is located at, is provided, a hanger roller assembly HR2 is provided on the upper end surface 72, and a guide roller GR2 is provided on the lower end surface 72.

By opening the first slide door 6 by using the handle H3 provided on the first slide door 6, the first slide door 6 and the second slide door 7 are opened. More specifically, the first locking piece 640 and the second locking piece 641 are formed on the door tail side portion of the second finding surface 64 of the first sliding door 6, and the first of the second sliding door 7 is formed. A first locking piece 730 is formed on the door end side portion of the finding surface 73, a second locking piece 731 is formed on the door tail side portion, and the door tail of the second finding surface 74 is formed. A third locking piece 740 is formed on the side portion. When the sliding door is in the closed position, the door tail side portion of the second finding surface 64 of the first sliding door 6 and the door tip side portion of the first finding surface 73 of the second sliding door 7 are separated from each other and face each other. The first locking piece 640 of the slide door 6 and the first locking piece 730 of the second slide door 7 are engaged (FIG. 4 and the like). The third locking piece 740 of the second sliding door 7 is engaged with the locking piece 370 formed adjacent to the side surface 37 of the opening 5 on the first finding surface 31 of the first door body 3. .. When the first sliding door 6 slides in the opening direction, the second locking piece 641 of the first sliding door 6 that moves to the door end side engages with the second locking piece 731 of the second sliding door 7. The first slide door 6 and the second slide door 7 are integrally slid in the opening direction to be in the opening posture.

The sliding door device includes an automatic closing mechanism (described later) that automatically closes the manually opened first sliding door 6. When the first sliding door 6 slides in the closing direction from the open position by the automatic closing mechanism, the first locking piece 640 of the first sliding door 6 that moves to the door end side becomes the first locking piece of the second sliding door 7. Engaging with the 730, the first slide door 6 and the second slide door 7 are integrally slid in the closing direction to be in the closed posture.

The first sliding door 6 and the second sliding door 7 of the sliding door device are located on the evacuation communication pit side B of the opening 5 of the first door body 3 to open and close the opening 5. The body 3 is provided with a sliding door frame located on the evacuation communication pit side B. The sliding door frame includes a door end side vertical frame composed of an extension portion of the door end side vertical frame 30 of the first door body 3, a door tail side vertical frame 8 projecting from the first finding surface 31, and a first look. It is composed of an upper frame 9 projecting from the attached surface 31 and a lower frame 10 projecting from the lower end of the first finding surface 31 in a carry-out manner (see FIGS. 1, 3, and 4).

The door end side vertical frame of the sliding door frame is formed by an extended portion of the door end side vertical frame 30, and the concave surface 304 formed on the B side portion of the inner prospective surface 302 of the door end side vertical frame 30 is in a closed posture. It is a door stop of the door end side end surface 60 of the first slide door 6 (see FIG. 4).

The door tail side vertical frame 8 of the sliding door frame is fixed to the first finding surface 31 in a carry-out shape over between the upper frame 9 and the lower frame 10, and is located inside the evacuation communication pit side B. The attached surface 80 and the inner prospective surface 81 that is separated from and opposed to the inner prospective surface 302 of the door end side vertical frame 30 are provided, and the inner prospective surface 81 is the door tail side end surface 61 of the first slide door 6 in the open posture. , The door stop of the door tail side end surface 71 of the second slide door 7.

Inside the upper frame 9 of the sliding door frame, two stepped hanger rails 90 and 91 and a self-closing device DC3 are provided on the upper side of the upper frame 9, and a sliding door is provided on the lower part of the upper frame 9. The upper ends of the first slide door 6 and the second slide door 7 of the above are accepted. The lower frame 10 of the sliding door frame bridges between the vertical frame on the door end side (extending portion of the vertical frame 30 on the door end side) and the lower end of the vertical frame 8 on the door tail side, and is attached to the lower end of the first finding surface 31. It is located and supported by the evacuation communication pit side B in a carry-out manner. The lower frame 10 is provided with convex guide rails 100 and 101 located directly below the hanger rails 90 and 91.

The first slide door 6 can slide in the left-right direction by the hanger roller assembly HR1 at the upper end rolling on the hanger rail 90 and the guide roller GR1 at the lower end rolling on the guide rail 100. .. The second slide door 7 can slide in the left-right direction by the hanger roller assembly HR2 at the upper end rolling on the hanger rail 91 and the guide roller GR2 at the lower end rolling on the guide rail 101.

The sliding door device includes an automatic closing mechanism that automatically closes the manually opened first sliding door 6. When the first sliding door 6 slides in the closing direction from the open position by the automatic closing mechanism, the first locking piece 640 of the first sliding door 6 that moves to the door end side becomes the first locking piece of the second sliding door 7. Engaging with the 730, the first slide door 6 and the second slide door 7 are integrally slid in the closing direction to be in the closed posture. The automatic closing mechanism is provided at the door end side portion of the upper frame 9 and the wire α extending horizontally in the moving direction of the first slide door 6 and the second slide door 7, and winds up the door end side of the wire α. A closing device DC3 and a winding device 92 provided at the door tail side portion of the upper frame 9 and winding the door tail side of the wire α are provided, and the wire α is provided on the door end side (by the self-closing device DC3). It is being urged in the closing direction).

The hanger roller assembly HR1 fixed to the upper end of the first slide door 6 is provided with an insertion portion β through which the wire α is inserted, and the wire α is located on the door end side of the insertion portion β and is a contact body (metal fitting). γ is fixed. When the first slide door 6 is moved to the door tail side (opening direction), the insertion portion β pushes the abutting body on the wire α, so that the wire α is pulled out to the door tail side (opening direction) and wound. It is wound around the take device 92. As the wire α moves toward the door end side (closing direction), the abutting body γ fixed to the wire α abuts on the insertion site β of the hanger roller assembly HR1, and the hanger roller assembly HR1 is moved from the door end side to the door end. By pushing toward the side, the first slide door 6 moves toward the door end side (closing direction). When the first sliding door 6 in the closed posture is manually slid toward the door tail side (opening direction) against the urging force of the self-closing device DC3, the wire α is pulled out from the self-closing device DC3 and is pulled out to the door tail side. The first slide door 6 and the second slide door 7 are in the open position. The first slide door 6 and the second slide door 7 are on the door end side as the wire α moves in the closing direction due to the closing force of the self-closing device DC3 after the open posture is maintained for a predetermined time by, for example, a timer. Slide to close the opening 5.

[C] Unlocking regulation and unlocking allowance of the locked state of the main door of the hinged door (first embodiment)
In the present embodiment, in the first door body 3 and the second door body 4 constituting the hinged door, the first door body 3 is a wide main door and the second door body 4 is a narrow child door. When the first door body 3 is in the fully closed position, the opening of the second door body 4 is restricted (the eye plate portion 40 formed on the door tip side portion of the second door body 4). Is in contact with the outer finding surface 301 of the door end side vertical frame 30 of the first door body 3). The first door body 3 and the second door body 4 are each maintained in a fully closed posture by a Gremon lock. That is, the Gremon lock constitutes a locking means for maintaining the fully closed posture of the first door body 3.

In the present embodiment, an unlocking regulating means for regulating the unlocking operation of the Gremon handle H1 of the Gremon lock, which is a locking means for maintaining the fully closed posture of the first door body 3, is provided, and the unlocking by the unlocking regulating means is provided. The regulation is released by an unlocking allowable means that operates in conjunction with the opening of the first slide door 6 in the fully closed posture. The opening of the first door body 3 is possible when the opening 5 is opened by opening the first sliding door 6.

The unlocking regulating means according to the present embodiment is a contacted portion 15 fixed to the upper rod 11 located at a predetermined height of the upper rod 11 that moves up and down by the rotation operation of the Gremon handle H1. It is provided with a stopper 16 that regulates the movement (upward movement) of the upper rod 11 in the unlocking direction by contacting the portion 15. The stopper 16 has a regulated position of contacting the contacted portion 15 so as to regulate the upward movement of the upper rod 11 and a permissible position of allowing the upper rod 11 to move upward, and is fully closed. When the first slide door 6 in the posture is in the fully open posture, the stopper 16 moves from the regulated position to the allowable position.

In the present embodiment, the contacted portion 15 is a cubic block fixed to the peripheral surface of the upper rod 11 (the shape of the contacted portion 15 is not limited), and the stopper 16 is in the opening width direction (first). It is formed at the first end of a bar or rod 160 that extends horizontally in the moving direction of the slide door 6. The first end of one end of the rod 160 in the length direction is located on the door end side vertical frame 30 of the sliding door frame, and the second end of the other end of the rod 160 in the length direction is the first slide door. 6 is connected to an operating mechanism 17 that moves the rod 160 to the door tail side in conjunction with the movement to the fully open position. The rod 160 is supported in the length direction by a guide 161 (supported by a guide 161 (supported in a carry-out shape on the first finding surface 31 of the first door body 3) at two locations, a portion near the first end portion and an intermediate portion in the length direction. It is supported so that it can be slidably moved. In the illustrated embodiment, the stopper 16 contacts the block-shaped contacted portion 15 to regulate the upward movement of the upper rod 11, but instead of the contacted portion 15, for example, it is locked. The movement of the upper rod 11 in the unlocking direction may be restricted by using the portion. In a more specific example, a locking hole is formed in the block-shaped locked portion, and the stopper 16 at the first end of the rod 160 moves to the door end side to lock the locking hole. The upward movement of the upper rod 11 may be restricted.

The operating mechanism 17 provided above the door tail side vertical frame 8 of the sliding door frame includes a box-shaped casing 170 (provided on the upper surface of the upper frame 9), and the casing 170 has a first shaft portion. 171 and the second shaft portion 172 and the third shaft portion 173 are supported. The first shaft portion 171 and the second shaft portion 172 and the third shaft portion 173 extend horizontally in a direction perpendicular to the length direction of the rod 160. The first shaft portion 171 projects beyond the casing 170 to the B side, and the second end portion of the rod 160 in the length direction is connected to the tip end. The first shaft portion 171 is supported so as to be movable in the horizontal direction along an elongated hole formed horizontally on the side wall of the casing 170. The second shaft portion 172 is located diagonally below the first shaft portion 171 (on the door end side and below), and the third shaft portion 173 is located directly below the second shaft portion 172. The second shaft portion 172 and the third shaft portion 173 are supported so as to be movable in the height direction along an elongated hole formed perpendicularly to the side wall of the casing 170.

The operating mechanism 17 includes a first link 174 and a second link 175, and the upper end of the first link 174 is connected to substantially the center of the first shaft portion 171 in the length direction, and the lower end is connected to the second shaft portion. It is connected to the lengthwise end of 172, and the upper end of the second link 175 is connected to the lengthwise end of the second shaft portion 172, and is connected to the middle part of the second link 175 in the lengthwise direction. Is connected to the third shaft portion 173. The lower portion of the second link 175 extends downward from the lower end of the casing 170. As shown in FIGS. 1, 2, 7 to 9, the first link 174 extends in an inclined manner, and the second link 175 extends in the vertical direction. A contacted portion 176 is formed at the lower end of the second link 175. When the second link 175 is pushed upward, the upper end of the first link 174 moves to the door tail side, and the rod 160 and the stopper 16 move to the door tail side.

A contact guide portion 18 is provided at the end of the upper end surface 62 of the first slide door 6 on the door tail side. The contact guide portion 18 includes an inclined guide surface 180 extending upward toward the door end. When the first slide door 6 moves to the fully open position, the guide surface 180 of the contact guide portion 18 pushes up the second link 175 upward while contacting the contacted portion 176 at the lower end of the second link 175. The upper end of the first link 174 moves to the door tail side, and the rod 160 and the stopper 16 move to the door tail side via the first shaft portion 171. In the present embodiment, an interlocking mechanism is configured from the operating mechanism 17, the rod 160, and the contact guide portion 18 to move the stopper 16 as the unlocking regulating means from the regulated position to the allowable position.

In FIGS. 1, 3, 5, and 7, the first door body 3, the second door body 4, the first slide door 6, and the second slide door 7 are all in the fully closed posture. In the fully closed posture of the first door body 3, the Gremon handle H1 is in the locked position rotated downward, and the locking portion L1 and the locking portion L2 are in the locked posture. The stopper 16 at the first end of the rod 160 is located close to the upper surface of the contacted portion 15 of the upper rod 11, and when the upper rod 11 tries to move upward, the contacted portion 15 moves. By abutting on the stopper 16, the upward movement of the upper rod 11, that is, the unlocking operation of the Gremon handle H1 is regulated.

From this state, when the first slide door 6 is opened and approaches the fully opened position, the guide surface 180 of the contact guide portion 18 of the first slide door 6 comes into contact with the lower end of the second link 175 of the operating mechanism 17. FIG. 8 shows a state of contact with the portion 176.

From the state of FIG. 8, when the first slide door 6 is further moved to the fully open position, the second link 175 moves upward while being guided by the guide surface 180 of the contact guide portion 18, and the second link 175 moves upward. The inclination angle of the first link 174 becomes smaller, the upper end of the first link 174 moves to the door tail side, and the rod moves in conjunction with the movement of the upper end of the first link 174 to the door tail side. The second end of the 160 moves to the door tail side, the stopper 16 at the first end of the rod 160 moves to the door tail side so as to be separated from the contacted portion 15, and the upper rod 11 can be moved upward. (Figs. 6 and 9). By providing means for fixing the fully open position of the first slide door 6 (for example, raising and lowering), the locked allowable state of the first door body 3 may be maintained. By maintaining the fully open state of the first sliding door 6 (sliding door), even if wind pressure is acting in the closing direction of the first door body 3 when the first door body 3 is closed, the first The door body 3 will not be closed suddenly. Further, when the first slide door 6 moves from the fully open position to the closing direction, the second link 175 moves downward and the stopper 16 at the first end of the rod 160 moves to the door end side, but the Gremon handle. Since the H1 is in the unlocked position, the stopper 16 is in contact with the side surface of the contacted portion 15, and from this state, the first door body 3 is fully closed and the Gremon handle H1 is rotated to the locked position. As a result, the upper rod 11 moves downward to lower the contacted portion 15, and the stopper 16 further moves to the door end side to regulate the upward movement of the contacted portion 15 and the upper rod 11.

In the evacuation communication pit door configured in this way, the opening 1 is normally closed by the hinged door in the closed posture, and the opening 5 is closed by the sliding door in the closed posture. When it is desired to form an opening for a vehicle in the event of a disaster or the like, even if the Gremon handle H1 is rotated to unlock the closed posture of the first door body 3, when the first slide door 6 is in the fully closed posture. , The unlocking operation of the Gremon handle H1 is regulated.

In the present embodiment, the upward movement restriction of the upper rod 11 is released in conjunction with the movement of the first slide door 6 in the fully closed posture to the fully open posture, so that the unlocking operation of the Gremon handle H1 can be performed. It will be possible. By opening the first slide door 6 to the fully open position and opening the opening 5, the pressure acting on the surface portion of the open door in the closed posture can be reduced, and then the first door body 3 can be opened. Even when the wind pressure in the road tunnel acts on the first door body 3 (and the first slide door 6 and the second slide door 7) in the closed posture and the second door body 4 in the closed posture, the wind pressure The first door body 3 can be opened in a state where the influence of the above is reduced. That is, when the wind pressure acts to oppose the opening direction of the first door body 3, the influence of the wind pressure is reduced to reduce the opening force of the first door body 3, and the first door body 3 When the wind pressure is acting in the opening direction, the influence of the wind pressure is reduced so that the first door body 3 does not suddenly open.

By opening the first sliding door 6, the first door body 3 can be opened to the evacuation communication pit side B in a state where the pressure acting on the surface portion of the first door body 3 is reduced, and the first door can be opened. The body 3 is rotated to the open posture, and the locking rod R1 is moved downward to maintain the open posture of the first door body 3. Next, the Gremon handle H2 is rotated to unlock the closed posture of the second door body 4, the second door body 4 is opened to the evacuation communication pit B side, and the locking rod R2 is moved downward to the second. 1 By maintaining the open posture of the door body 3, an opening for a vehicle is formed.

When it is desired to form a humanitarian opening in the event of a disaster, etc., by grasping the handle H3 and opening the first slide door 6 and the second slide door 7, the open door can be maintained in the closed posture for humanitarian use. An opening can be formed.

[D] Unlocking regulation and unlocking allowance of the locked state of the main door of the hinged door (second embodiment)
A second embodiment of unlocking regulation and unlocking allowance in the locked state of the first door body will be described with reference to FIGS. 10 to 14. 10 to 13 are views corresponding to FIGS. 1 to 3, the basic configuration of the evacuation door is the same, and the above description is used for the explanation of the elements with the same number. can do.

The unlocking regulating means according to the present embodiment includes a contact portion 15'positioned to a predetermined height of the upper rod 11 that moves up and down by the rotation operation of the Gremon handle H1 and fixed to the upper rod 11 and a contact portion 15'. It is provided with a stopper 16'that regulates the movement (upward movement) of the upper rod 11 in the unlocking direction by abutting on the contact portion 15'. The stopper 16'is adapted to have a regulated position in which the upper rod 11 abuts on the contacted portion 15'so as to regulate the upward movement of the upper rod 11 and a permissible position in which the upper rod 11 is allowed to move upward. The door end side end surface 60 of the first slide door 6 in the fully closed posture is separated from the concave surface 304 formed on the inner prospective surface 302 of the door end side vertical frame 30, so that the stopper 16'is moved from the regulated position to the allowable position. And move.

In the present embodiment, the contacted portion 15'is a large-diameter columnar block fixed to the peripheral surface of the upper rod 11 (the shape of the contacted portion 15'is not limited), and the stopper 16'is a stopper 16'. It is formed at the tip of a bar 19 protruding from the inner finding surface 300 of the door end side vertical frame 30. The bar 19 is connected to the operating mechanism 17', and in the present embodiment, the bar 19 and the operating mechanism 17'are linked to the opening movement of the first slide door 6 in the fully closed posture as an unlocking regulating means. An interlocking mechanism is configured to move the stopper 16'from the regulated position to the permissible position.

The operating mechanism 17'consists with the pin 24 protruding from the concave surface 304 formed on the inner prospective surface 302 of the door end side vertical frame 30, the base end of the pin 24, and the inner surface of the outer prospective surface 303 of the door end side vertical frame 30. A urging means 25 made of a spring material provided between them, a first link 26, a second link 27, and a base 28 fixed to the inner surface of the outer prospective surface 303 of the door end side vertical frame 30 are provided. There is. One end of the first link 26 is connected to the shaft portion 240 on the base end side of the pin 24 via an elongated hole, and the other end is connected to the end portion of the base 28. One end of the second link 27 is connected to the shaft portion 240 on the base end side of the pin 24, and the other end is connected to the base end side of the bar 19 via an elongated hole of the base 28.

In FIGS. 14 (A) and 15 (A), the first door body 3 and the first slide door 6 are in a fully closed posture, and the door end side end surface 60 of the first slide door 6 is the door end side vertical frame 30. The pin 24 is pushed into the door end side vertical frame 30 by abutting against the concave surface 304 formed on the inner prospective surface 302, and the base end side of the pin 24 compresses the coil spring as the urging means 25 while compressing the door. By approaching the inner surface of the outer prospective surface 303 of the front vertical frame 30, the first link 26 and the second link 27 are large enough to be crushed in a plan view via the shaft portion 240 formed on the base end side of the pin 24. It extends at an angle, and the other end of the second link 27 moves toward the inner finding surface 300 of the door end side vertical frame 30, so that the tip of the bar 19 is separated from the inner finding surface 300. The stopper 16'formed at the tip of the bar 19 is located close to the upper side of the contacted portion 15'formed on the upper rod 11. In this state, even if an attempt is made to unlock the Gremon handle H1 in the locked posture, the upper surface of the contacted portion 15'formed on the upper rod 11 comes into contact with the stopper 16', thereby unlocking the Gremon handle H1. Is regulated.

From the states of FIGS. 14 (A) and 15 (A), the first slide door 6 is opened, and the door end side end surface 60 of the first slide door 6 is formed on the inner prospective surface 302 of the door end side vertical frame 30. When separated from the concave surface 304, the coil spring extends from the compressed state as the urging means 25, and by pushing the pin 24, the pin 24 protrudes from the concave surface 304. By moving the pin 24 so as to be separated from the inner surface of the outer prospective surface 303 of the door end side vertical frame 30, the first link 26 and the second link 27 pass through the shaft portion 240 formed on the base end side of the pin 24. The first link 26 and the second link 27 extend at a small angle so as to bend in a plan view, and the other end of the second link 27 extends the bar 19 so that one end thereof approaches the concave surface 304. By moving the vertical frame 30 on the door end side by pulling it, the tip of the bar 19 is retracted so as to approach the inner finding surface 300, and the stopper 16'formed at the tip of the bar 19 is moved to the upper rod 11. It is a position retracted from the formed contacted portion 15'to the inner finding surface 300 side (FIGS. 14 (B) and 15 (B)). In this state, the unlocking operation of the Gremon handle H1 becomes possible. Further, when the opened first slide door 6 is closed after unlocking the Gremon lock, the stopper 16'is moved from the positions shown in FIGS. 14 (B) and 15 (B) by pushing the pin 24. It moves to the positions shown in FIGS. 14 (A) and 15 (A), but since the Gremon handle H1 is in the unlocked position, the stopper 16'is in contact with the side surface of the contacted portion 15. At this time, the pin 24 is pushed in halfway, and the first slide door 6 is not fully closed and a gap is maintained between the pin 24 and the vertical frame 30 on the door end side (the wind pressure acting on the first door body 3 is released). be able to). Further, from this state, by fully closing the first door body 3 and rotating the Gremon handle H1 to the locked position, the upper rod 11 moves downward, the contacted portion 15'is lowered, and the stopper 16' is moved. Further moving, the pin 24 is completely pushed in, the first slide door 6 is fully closed, and the upward movement of the contacted portion 15'and the upper rod 11 is restricted. In addition, a means (for example, raising and dropping) for fixing the fully open position or the predetermined open position of the first slide door 6 may be provided. By maintaining the open state of the first sliding door 6 (sliding door), even if wind pressure is acting in the closing direction of the first door body 3 when the first door body 3 is closed, the first The door body 3 will not be closed suddenly.

[E] Modification 1 of the second embodiment
A modified example 1 of the second embodiment will be described with reference to FIG. The unlocking regulating means according to the present embodiment includes a contact portion 15'positioned to a predetermined height of the upper rod 11 that moves up and down by the rotation operation of the Gremon handle H1 and fixed to the upper rod 11 and a contact portion 15'. It is provided with a stopper 16'that regulates the movement (upward movement) of the upper rod 11 in the unlocking direction by abutting on the contact portion 15'. The stopper 16'is adapted to have a regulated position in which the upper rod 11 abuts on the contacted portion 15'so as to regulate the upward movement of the upper rod 11 and a permissible position in which the upper rod 11 is allowed to move upward. The door end side end surface 60 of the first slide door 6 in the fully closed posture is separated from the concave surface 304 formed on the inner prospective surface 302 of the door end side vertical frame 30, so that the stopper 16'is moved from the regulated position to the allowable position. And move.

In the present embodiment, the contacted portion 15'is a large-diameter columnar block fixed to the peripheral surface of the upper rod 11 (the shape of the contacted portion 15'is not limited), and the stopper 16'is a stopper 16'. It is formed at the tip of a bar 19'protruding from the inner finding surface 300 of the door end side vertical frame 30. The bar 19'is connected to the operating mechanism 17', and in the present embodiment, the bar 19'and the operating mechanism 17'are restricted from unlocking in conjunction with the opening movement of the first slide door 6 in the fully closed posture. An interlocking mechanism for moving the stopper 16'as a means from the regulated position to the permissible position is configured.

The operating mechanism 17'consists with the pin 24 protruding from the concave surface 304 formed on the inner prospective surface 302 of the door end side vertical frame 30, the base end of the pin 24, and the inner surface of the outer prospective surface 303 of the door end side vertical frame 30. An urging means 25 made of a spring material provided between them, a first link 26', a second link 27', and a base 28' fixed to the inner surface of the outer prospective surface 303 of the door end side vertical frame 30. The pin 24 is connected to the proximal end side portion of the bar 19'via the axial portion 240 on the proximal end side. One end of the first link 26'is connected to the base end of the bar 19', and the other end is connected to the shaft portion on the base 28' through an elongated hole. One end of the second link 27'is connected to the intermediate portion of the bar 19'through an elongated hole, and the other end is connected to the shaft portion on the base 28'.

In FIG. 16A, the first door body 3 and the first slide door 6 are in a fully closed posture, and the door end side end surface 60 of the first slide door 6 is formed on the inner prospective surface 302 of the door end side vertical frame 30. The pin 24 is pushed into the door end side vertical frame 30 by abutting against the concave surface 304, and the base end side of the pin 24 compresses the coil spring as the urging means 25 of the door end side vertical frame 30. By approaching the outer prospective surface 303, the bar 19'moves to the outer prospective surface 303 side of the door end side vertical frame 30 via the shaft portion 240 on the base end side of the pin 24, and the first link 26', the first link 26', The two links 27'extend at a large angle so as to be crushed in a plan view, and the bar 19'moves to the outer prospective surface 303 side of the door end side vertical frame 30 to reach the tip of the bar 19'. The formed stopper 16'is located close to the upper side of the contacted portion 15'formed on the upper rod 11. In this state, even if an attempt is made to unlock the Gremon handle H1 in the locked posture, the upper surface of the contacted portion 15'formed on the upper rod 11 comes into contact with the stopper 16', thereby unlocking the Gremon handle H1. Is regulated.

From the state shown in FIG. 16A, when the first slide door 6 is opened and the door end side end surface 60 of the first slide door 6 is separated from the concave surface 304 formed on the inner prospective surface 302 of the door end side vertical frame 30. As the urging means 25, the coil spring extends from the compressed state, and when the pin 24 is pushed, the pin 24 protrudes from the concave surface 304. By moving the pin 24 so as to be separated from the inner surface of the outer prospective surface 303 of the door end side vertical frame 30, the bar 19'is moved from the door end side vertical frame 30 via the shaft portion 240 on the base end side of the pin 24. The first link 26'and the second link 27'extend at a small angle so as to bend in a plan view by moving to the side away from the inner surface of the outer prospective surface 303, and the bar 19'is on the door end side. By moving in the direction away from the outer prospective surface 303 side of the vertical frame 30 (the direction closer to the inner prospective surface 302), the stopper 16'formed at the tip of the bar 19'is in contact with the upper rod 11. It is a position retracted from the portion 15'(FIG. 16 (B)). In this state, the unlocking operation of the Gremon handle H1 becomes possible.

[F] Modification 2 of the second embodiment
A modified example 2 of the second embodiment will be described with reference to FIG. The unlocking regulating means according to the present embodiment includes a contact portion 15'positioned to a predetermined height of the upper rod 11 which moves up and down by the rotation operation of the Gremon handle H1 and is fixed to the upper rod 11 and a contact portion 15'. It is provided with a stopper 16'that regulates the movement (upward movement) of the upper rod 11 in the unlocking direction by abutting on the contact portion 15'. The stopper 16'is adapted to have a regulated position in which the upper rod 11 abuts on the contacted portion 15'so as to regulate the upward movement of the upper rod 11 and a permissible position in which the upper rod 11 is allowed to move upward. The door end side end surface 60 of the first slide door 6 in the fully closed posture is separated from the concave surface 304 formed on the inner prospective surface 302 of the door end side vertical frame 30, so that the stopper 16'is moved from the regulated position to the allowable position. And move.

In the present embodiment, the contacted portion 15'is a large-diameter columnar block fixed to the peripheral surface of the upper rod 11 (the shape of the contacted portion 15'is not limited), and the stopper 16'is a stopper 16'. It is formed at the tip of the second link 27 ″ protruding from the inner finding surface 300 of the door end side vertical frame 30. The second link 27 ″ is a component of the operating mechanism 17 ″, and in the present embodiment, the operating mechanism 17 ′ is unlocked in conjunction with the opening movement of the first slide door 6 in the fully closed posture. It is an interlocking mechanism that moves the stopper 16'as a regulating means from the regulated position to the allowable position.

The operating mechanism 17'consists with the pin 24 protruding from the concave surface 304 formed on the inner prospective surface 302 of the door end side vertical frame 30, the base end of the pin 24, and the inner surface of the outer prospective surface 303 of the door end side vertical frame 30. The urging means 25 made of a spring material provided between them, the first link 26 ″, the second link 27 ″, and the base 28 ′ fixed to the inner surface of the outer prospective surface 303 of the door end side vertical frame 30. And a support portion 28 ″ provided on the inner side finding surface 300 of the door end side vertical frame 30 in a carry-out shape, and the stopper 16 ″ is rotatably supported by the support portion 28 ″, and the base end. The side is connected to the second link 27 ″ via a spring 25 ″. One end of the first link 26 ″ is connected to the shaft portion 240 on the base end side of the pin 24, and the other end is connected to the base 28 ″. One end of the second link 27 ″ is connected to the shaft portion 240 on the proximal end side of the pin 24 via an elongated hole, and the other end is connected to the proximal end side of the stopper 16 ′ via a spring 25 ′. Has been done.

In FIG. 17A, the first door body 3 and the first slide door 6 are in a fully closed posture, and the door end side end surface 60 of the first slide door 6 is formed on the inner prospective surface 302 of the door end side vertical frame 30. The pin 24 is pushed into the door end side vertical frame 30 by abutting against the concave surface 304, and the base end side of the pin 24 compresses the coil spring as the urging means 25 of the door end side vertical frame 30. By approaching the outer prospective surface 303, the first link 26 ″ and the second link 27 ″ extend at a large angle so as to be crushed in a plan view via the shaft portion 240 formed on the pin 24. , The other end of the second link 27 ″ pushes the base end of the stopper 16 ′ via the spring 25 ′, so that the tip moves in the direction approaching the inner finding surface 300 of the door end side vertical frame 30. The stopper 16'is located close to the upper side of the contacted portion 15'formed on the upper rod 11. In this state, even if an attempt is made to unlock the Gremon handle H1 in the locked posture, the upper surface of the contacted portion 15'formed on the upper rod 11 comes into contact with the stopper 16', thereby unlocking the Gremon handle H1. Is regulated.

From the state of FIG. 17A, when the first slide door 6 is opened and the door end side end surface 60 of the first slide door 6 is separated from the concave surface 304 formed on the inner prospective surface 302 of the door end side vertical frame 30. As the urging means 25, the coil spring extends from the compressed state, and when the pin 24 is pushed, the pin 24 protrudes from the concave surface 304. By moving the pin 24 so as to be separated from the inner surface of the outer prospective surface 303 of the door end side vertical frame 30, the pin 24 is pulled by the shaft portion 240 formed on the base end side of the pin 24, and the first link 26 ″, the first link 26 ″, The two links 27 ″ extend at a small angle so as to bend in a plan view, and the extended coil spring 25 ″ contracts so that the tip of the second link 27 ″ is inside the door end side vertical frame 30. The stopper 16'moves in the direction closer to the finding surface 300, the tip of the stopper 16'move away from the inner finding surface 300 of the door end side vertical frame 30, and the stopper 16'is in contact with the upper rod 11. It is a position retracted from the portion 15'(FIG. 17 (B)). In this state, the unlocking operation of the Gremon handle H1 becomes possible.

1 Opening (Vehicle opening)
3 1st door body (1st door)
4 Second door body (open door)
5 Opening (Humanitarian opening)
6 1st slide door (2nd door)
11 Upper rod (locking means)
12 Lower rod (locking means)
15, 15'contacted part (unlocking regulation means)
16, 16'stopper (unlocking regulation means)
160 rod (unlockable means)
17, 17'Operating mechanism (unlockable means)
18 Contact guide (allowing unlocking means)
19 Bar 19 (Unlockable means)
A Roadway tunnel side B Evacuation communication pit side H1 Gremon handle (locking means)
L1 locking part (locking means)
L2 locking part (locking means)

Claims (7)

In an evacuation door provided with a first door that opens and closes a vehicle opening that communicates with an evacuation communication pit and a roadway tunnel, and a second door that opens and closes a humanitarian opening formed in the first door.
The evacuation door
The locking means for maintaining the fully closed posture of the first door body and
An unlocking regulating means that regulates the unlocking of the locking means,
It is provided with an unlocking allowable means for releasing the unlocking regulation by opening the second door in the fully closed posture.
When the humanitarian opening is fully closed, the opening of the first door body is restricted, and the first door body can be opened in a state where the humanitarian opening is open.
Evacuation door. The evacuation door according to claim 1, wherein the first door is a hinged door or a folding door, and the second door is a sliding door. The locking means includes a movable element that is movable between the locking and unlocking positions.
The unlocking regulating means regulates the movement of the movable element in the locked position in the unlocking direction.
The evacuation door according to any one of claims 1 and 2. The evacuation door according to any one of claims 1 to 3, wherein the unlocking permissible means releases the unlocking regulation in conjunction with the movement of the second door body from the fully open position to the vicinity of the fully open position. The locking means includes a movable element that is movable between the locking and unlocking positions.
The unlocking regulating means is movable between the first position and the second position, and at the first position, the movable element is brought into contact with or locked in the unlocking direction of the movable element. The movement is restricted, and in the second position, the movable element is separated from the movable element and allowed to move in the unlocking direction.
The unlocking permitting means sets the unlocking regulating means in conjunction with the contact or locking of the portion of the second door body when the second door body moves to the fully open position or the vicinity of the fully opened position. It is equipped with an interlocking mechanism that moves from the 1st position to the 2nd position.
The evacuation door according to claim 4. The evacuation door according to any one of claims 1 to 3, wherein the unlocking permissible means releases the unlocking regulation in conjunction with the initial opening of the second door body. The locking means includes a movable element that is movable between the locking and unlocking positions.
The unlocking regulating means is movable between the first position and the second position, and at the first position, the movable element is brought into contact with or locked in the unlocking direction of the movable element. The movement is restricted, and in the second position, the movable element is separated from the movable element and allowed to move in the unlocking direction.
The unlocking permitting means moves the unlocking regulating means from the first position to the second position in conjunction with the opening movement of the door end side portion of the second door body from the fully closed posture. Equipped with a mechanism,
The evacuation door according to claim 6.

Images